// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023. // SPDX-License-Identifier: MIT pragma solidity ^0.8.4; abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return payable(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 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; // 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; } } library Address { 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); } 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" ); } function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } 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" ); } 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"); (bool success, bytes memory returndata) = target.call{value: weiValue}( data ); if (success) { return returndata; } else { if (returndata.length > 0) { assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } contract Ownable is Context { address public owner; constructor(address _owner) { owner = _owner; } /** * Function modifier to require caller to be contract owner */ modifier onlyOwner() { require(isOwner(msg.sender), "!OWNER"); _; } /** * Check if address is owner */ function isOwner(address account) public view returns (bool) { return account == owner; } /** * Transfer ownership to new address. Caller must be owner. Leaves old owner authorized */ function transferOwnership(address payable adr) public onlyOwner { owner = adr; emit OwnershipTransferred(adr); } event OwnershipTransferred(address owner); } 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; } contract BCOMP is Context, IERC20, Ownable { using SafeMath for uint256; string private constant NAME = "Bit Comp Token"; string private constant SYMBOL = "BCOMP"; uint8 private constant DECIMALS = 18; mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; mapping(address => bool) private _isExcludedFromFee; mapping(address => bool) public bots; uint256 private constant TOTAL = 1 * 10 ** 9 * 10 ** DECIMALS; uint256 public buyFee; uint256 public sellFee; IUniswapV2Router02 public uniswapV2Router; address public uniswapV2Pair; address public treasuryWallet; event UpdatedBuyFee(uint256 oldFees, uint256 newFees); event UpdatedSellFee(uint256 oldFees, uint256 newFees); event ExcludedFromFee(address account); event IncludedToFee(address account); event UpdateTreasuryWallet(address old, address newWallet); constructor(uint256 _buyFee, uint256 _sellFee, address _treasuryWallet) Ownable(msg.sender) { IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02( 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D ); uniswapV2Pair = IUniswapV2Factory( _uniswapV2Router.factory() ).createPair(address(this), _uniswapV2Router.WETH()); // set the rest of the contract variables uniswapV2Router = _uniswapV2Router; _isExcludedFromFee[_msgSender()] = true; _isExcludedFromFee[address(this)] = true; _balances[_msgSender()] = TOTAL; setTreasuryWallet(_treasuryWallet); setBuyFee(_buyFee); setSellFee(_sellFee); emit Transfer(address(0), owner, TOTAL); } function symbol() external pure returns (string memory) { return SYMBOL; } function name() external pure returns (string memory) { return NAME; } function decimals() external pure returns (uint8) { return DECIMALS; } function totalSupply() external pure override returns (uint256) { return TOTAL; } 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 increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) { _approve( _msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue) ); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) { _approve( _msgSender(), spender, _allowances[_msgSender()][spender].sub( subtractedValue, "ERC20: decreased allowance below zero" ) ); 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 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 isExcludedFromFee(address account) external view returns (bool) { return _isExcludedFromFee[account]; } function excludeFromFee(address account) external onlyOwner { _isExcludedFromFee[account] = true; emit ExcludedFromFee(account); } function includeInFee(address account) external onlyOwner { _isExcludedFromFee[account] = false; emit IncludedToFee(account); } function setTreasuryWallet(address account) public onlyOwner { emit UpdateTreasuryWallet(treasuryWallet, account); treasuryWallet = account; } function setBuyFee(uint256 _fee) public onlyOwner { require(_fee < 10, "value can not be over 10"); emit UpdatedBuyFee(buyFee, _fee); buyFee = _fee; } function setSellFee(uint256 _fee) public onlyOwner { require(_fee < 10, "value can not be over 10"); emit UpdatedSellFee(sellFee, _fee); sellFee = _fee; } 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"); require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!"); bool takeFee = false; if ( balanceOf(uniswapV2Pair) > 0 && (from == uniswapV2Pair || to == uniswapV2Pair) ) { takeFee = true; } if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) { takeFee = false; } _tokenTransfer(from, to, amount, takeFee); } function _takeFees(uint256 amount, bool isSell) internal returns (uint256) { uint256 tradingFee = isSell ? sellFee : buyFee; uint256 marketingAndLPFee = amount.mul(tradingFee).div(100); _balances[treasuryWallet] = _balances[treasuryWallet].add( marketingAndLPFee ); return amount.sub(marketingAndLPFee); } function _tokenTransfer( address sender, address recipient, uint256 amount, bool takeFee ) private { uint256 tTransferAmount = amount; if (takeFee) { tTransferAmount = _takeFees(amount, recipient == uniswapV2Pair); } _balances[sender] = _balances[sender].sub(amount); _balances[recipient] = _balances[recipient].add(tTransferAmount); emit Transfer(sender, recipient, tTransferAmount); } function withdrawETH(uint256 amount) public onlyOwner { uint256 balance = address(this).balance; require( amount <= balance, "Withdrawable: you cannot remove this total amount" ); Address.sendValue(payable(_msgSender()), amount); } /** * @dev Withdraw any ERC20 token from this contract * @param tokenAddress ERC20 token to withdraw * @param amount the amount desired to remove */ function withdrawERC20(address tokenAddress, uint256 amount) external onlyOwner { IERC20 tokenContract = IERC20(tokenAddress); uint256 balance = tokenContract.balanceOf(address(this)); require( amount <= balance, "Withdrawable: you cannot remove this total amount" ); require( tokenContract.transfer(_msgSender(), amount), "Withdrawable: Fail on transfer" ); } receive() external payable {} }