{
  "language": "Solidity",
  "sources": {
    "slvmGenesis.sol": {
      "content": "/**\r\n *Submitted for verification at Etherscan.io on 2022-04-15\r\n*/\r\n\r\n// SPDX-License-Identifier: MIT\r\n\r\npragma solidity >=0.6.0 <0.8.0;\r\n\r\n/**\r\n * @dev Interface of the ERC20 standard as defined in the EIP.\r\n */\r\ninterface IERC20 {\r\n    /**\r\n     * @dev Returns the amount of tokens in existence.\r\n     */\r\n    function totalSupply() external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Returns the amount of tokens owned by `account`.\r\n     */\r\n    function balanceOf(address account) external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Moves `amount` tokens from the caller's account to `recipient`.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * Emits a {Transfer} event.\r\n     */\r\n    function transfer(address recipient, uint256 amount) external returns (bool);\r\n\r\n    /**\r\n     * @dev Returns the remaining number of tokens that `spender` will be\r\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\r\n     * zero by default.\r\n     *\r\n     * This value changes when {approve} or {transferFrom} are called.\r\n     */\r\n    function allowance(address owner, address spender) external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\r\n     * that someone may use both the old and the new allowance by unfortunate\r\n     * transaction ordering. One possible solution to mitigate this race\r\n     * condition is to first reduce the spender's allowance to 0 and set the\r\n     * desired value afterwards:\r\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\r\n     *\r\n     * Emits an {Approval} event.\r\n     */\r\n    function approve(address spender, uint256 amount) external returns (bool);\r\n\r\n    /**\r\n     * @dev Moves `amount` tokens from `sender` to `recipient` using the\r\n     * allowance mechanism. `amount` is then deducted from the caller's\r\n     * allowance.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * Emits a {Transfer} event.\r\n     */\r\n    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);\r\n\r\n    /**\r\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\r\n     * another (`to`).\r\n     *\r\n     * Note that `value` may be zero.\r\n     */\r\n    event Transfer(address indexed from, address indexed to, uint256 value);\r\n\r\n    /**\r\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\r\n     * a call to {approve}. `value` is the new allowance.\r\n     */\r\n    event Approval(address indexed owner, address indexed spender, uint256 value);\r\n}\r\n\r\n\r\n// File @openzeppelin/contracts/math/SafeMath.sol@v3.4.2\r\n\r\n\r\n\r\npragma solidity >=0.6.0 <0.8.0;\r\n\r\n/**\r\n * @dev Wrappers over Solidity's arithmetic operations with added overflow\r\n * checks.\r\n *\r\n * Arithmetic operations in Solidity wrap on overflow. This can easily result\r\n * in bugs, because programmers usually assume that an overflow raises an\r\n * error, which is the standard behavior in high level programming languages.\r\n * `SafeMath` restores this intuition by reverting the transaction when an\r\n * operation overflows.\r\n *\r\n * Using this library instead of the unchecked operations eliminates an entire\r\n * class of bugs, so it's recommended to use it always.\r\n */\r\nlibrary SafeMath {\r\n    /**\r\n     * @dev Returns the addition of two unsigned integers, with an overflow flag.\r\n     *\r\n     * _Available since v3.4._\r\n     */\r\n    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n        uint256 c = a + b;\r\n        if (c < a) return (false, 0);\r\n        return (true, c);\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the substraction of two unsigned integers, with an overflow flag.\r\n     *\r\n     * _Available since v3.4._\r\n     */\r\n    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n        if (b > a) return (false, 0);\r\n        return (true, a - b);\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\r\n     *\r\n     * _Available since v3.4._\r\n     */\r\n    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\r\n        // benefit is lost if 'b' is also tested.\r\n        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\r\n        if (a == 0) return (true, 0);\r\n        uint256 c = a * b;\r\n        if (c / a != b) return (false, 0);\r\n        return (true, c);\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the division of two unsigned integers, with a division by zero flag.\r\n     *\r\n     * _Available since v3.4._\r\n     */\r\n    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n        if (b == 0) return (false, 0);\r\n        return (true, a / b);\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\r\n     *\r\n     * _Available since v3.4._\r\n     */\r\n    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r\n        if (b == 0) return (false, 0);\r\n        return (true, a % b);\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the addition of two unsigned integers, reverting on\r\n     * overflow.\r\n     *\r\n     * Counterpart to Solidity's `+` operator.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Addition cannot overflow.\r\n     */\r\n    function add(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        uint256 c = a + b;\r\n        require(c >= a, \"SafeMath: addition overflow\");\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the subtraction of two unsigned integers, reverting on\r\n     * overflow (when the result is negative).\r\n     *\r\n     * Counterpart to Solidity's `-` operator.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Subtraction cannot overflow.\r\n     */\r\n    function sub(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        require(b <= a, \"SafeMath: subtraction overflow\");\r\n        return a - b;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the multiplication of two unsigned integers, reverting on\r\n     * overflow.\r\n     *\r\n     * Counterpart to Solidity's `*` operator.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Multiplication cannot overflow.\r\n     */\r\n    function mul(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        if (a == 0) return 0;\r\n        uint256 c = a * b;\r\n        require(c / a == b, \"SafeMath: multiplication overflow\");\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the integer division of two unsigned integers, reverting on\r\n     * division by zero. The result is rounded towards zero.\r\n     *\r\n     * Counterpart to Solidity's `/` operator. Note: this function uses a\r\n     * `revert` opcode (which leaves remaining gas untouched) while Solidity\r\n     * uses an invalid opcode to revert (consuming all remaining gas).\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - The divisor cannot be zero.\r\n     */\r\n    function div(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        require(b > 0, \"SafeMath: division by zero\");\r\n        return a / b;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\r\n     * reverting when dividing by zero.\r\n     *\r\n     * Counterpart to Solidity's `%` operator. This function uses a `revert`\r\n     * opcode (which leaves remaining gas untouched) while Solidity uses an\r\n     * invalid opcode to revert (consuming all remaining gas).\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - The divisor cannot be zero.\r\n     */\r\n    function mod(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        require(b > 0, \"SafeMath: modulo by zero\");\r\n        return a % b;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\r\n     * overflow (when the result is negative).\r\n     *\r\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\r\n     * message unnecessarily. For custom revert reasons use {trySub}.\r\n     *\r\n     * Counterpart to Solidity's `-` operator.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Subtraction cannot overflow.\r\n     */\r\n    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r\n        require(b <= a, errorMessage);\r\n        return a - b;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the integer division of two unsigned integers, reverting with custom message on\r\n     * division by zero. The result is rounded towards zero.\r\n     *\r\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\r\n     * message unnecessarily. For custom revert reasons use {tryDiv}.\r\n     *\r\n     * Counterpart to Solidity's `/` operator. Note: this function uses a\r\n     * `revert` opcode (which leaves remaining gas untouched) while Solidity\r\n     * uses an invalid opcode to revert (consuming all remaining gas).\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - The divisor cannot be zero.\r\n     */\r\n    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r\n        require(b > 0, errorMessage);\r\n        return a / b;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\r\n     * reverting with custom message when dividing by zero.\r\n     *\r\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\r\n     * message unnecessarily. For custom revert reasons use {tryMod}.\r\n     *\r\n     * Counterpart to Solidity's `%` operator. This function uses a `revert`\r\n     * opcode (which leaves remaining gas untouched) while Solidity uses an\r\n     * invalid opcode to revert (consuming all remaining gas).\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - The divisor cannot be zero.\r\n     */\r\n    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r\n        require(b > 0, errorMessage);\r\n        return a % b;\r\n    }\r\n}\r\n\r\n\r\n// File @openzeppelin/contracts/utils/Address.sol@v3.4.2\r\n\r\n\r\n\r\npragma solidity >=0.6.2 <0.8.0;\r\n\r\n/**\r\n * @dev Collection of functions related to the address type\r\n */\r\nlibrary Address {\r\n    /**\r\n     * @dev Returns true if `account` is a contract.\r\n     *\r\n     * [IMPORTANT]\r\n     * ====\r\n     * It is unsafe to assume that an address for which this function returns\r\n     * false is an externally-owned account (EOA) and not a contract.\r\n     *\r\n     * Among others, `isContract` will return false for the following\r\n     * types of addresses:\r\n     *\r\n     *  - an externally-owned account\r\n     *  - a contract in construction\r\n     *  - an address where a contract will be created\r\n     *  - an address where a contract lived, but was destroyed\r\n     * ====\r\n     */\r\n    function isContract(address account) internal view returns (bool) {\r\n        // This method relies on extcodesize, which returns 0 for contracts in\r\n        // construction, since the code is only stored at the end of the\r\n        // constructor execution.\r\n\r\n        uint256 size;\r\n        // solhint-disable-next-line no-inline-assembly\r\n        assembly { size := extcodesize(account) }\r\n        return size > 0;\r\n    }\r\n\r\n    /**\r\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\r\n     * `recipient`, forwarding all available gas and reverting on errors.\r\n     *\r\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\r\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\r\n     * imposed by `transfer`, making them unable to receive funds via\r\n     * `transfer`. {sendValue} removes this limitation.\r\n     *\r\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\r\n     *\r\n     * IMPORTANT: because control is transferred to `recipient`, care must be\r\n     * taken to not create reentrancy vulnerabilities. Consider using\r\n     * {ReentrancyGuard} or the\r\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\r\n     */\r\n    function sendValue(address payable recipient, uint256 amount) internal {\r\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\r\n\r\n        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\r\n        (bool success, ) = recipient.call{ value: amount }(\"\");\r\n        require(success, \"Address: unable to send value, recipient may have reverted\");\r\n    }\r\n\r\n    /**\r\n     * @dev Performs a Solidity function call using a low level `call`. A\r\n     * plain`call` is an unsafe replacement for a function call: use this\r\n     * function instead.\r\n     *\r\n     * If `target` reverts with a revert reason, it is bubbled up by this\r\n     * function (like regular Solidity function calls).\r\n     *\r\n     * Returns the raw returned data. To convert to the expected return value,\r\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `target` must be a contract.\r\n     * - calling `target` with `data` must not revert.\r\n     *\r\n     * _Available since v3.1._\r\n     */\r\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\r\n      return functionCall(target, data, \"Address: low-level call failed\");\r\n    }\r\n\r\n    /**\r\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\r\n     * `errorMessage` as a fallback revert reason when `target` reverts.\r\n     *\r\n     * _Available since v3.1._\r\n     */\r\n    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\r\n        return functionCallWithValue(target, data, 0, errorMessage);\r\n    }\r\n\r\n    /**\r\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\r\n     * but also transferring `value` wei to `target`.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - the calling contract must have an ETH balance of at least `value`.\r\n     * - the called Solidity function must be `payable`.\r\n     *\r\n     * _Available since v3.1._\r\n     */\r\n    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\r\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\r\n    }\r\n\r\n    /**\r\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\r\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\r\n     *\r\n     * _Available since v3.1._\r\n     */\r\n    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {\r\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\r\n        require(isContract(target), \"Address: call to non-contract\");\r\n\r\n        // solhint-disable-next-line avoid-low-level-calls\r\n        (bool success, bytes memory returndata) = target.call{ value: value }(data);\r\n        return _verifyCallResult(success, returndata, errorMessage);\r\n    }\r\n\r\n    /**\r\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\r\n     * but performing a static call.\r\n     *\r\n     * _Available since v3.3._\r\n     */\r\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\r\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\r\n    }\r\n\r\n    /**\r\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\r\n     * but performing a static call.\r\n     *\r\n     * _Available since v3.3._\r\n     */\r\n    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {\r\n        require(isContract(target), \"Address: static call to non-contract\");\r\n\r\n        // solhint-disable-next-line avoid-low-level-calls\r\n        (bool success, bytes memory returndata) = target.staticcall(data);\r\n        return _verifyCallResult(success, returndata, errorMessage);\r\n    }\r\n\r\n    /**\r\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\r\n     * but performing a delegate call.\r\n     *\r\n     * _Available since v3.4._\r\n     */\r\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\r\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\r\n    }\r\n\r\n    /**\r\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\r\n     * but performing a delegate call.\r\n     *\r\n     * _Available since v3.4._\r\n     */\r\n    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\r\n        require(isContract(target), \"Address: delegate call to non-contract\");\r\n\r\n        // solhint-disable-next-line avoid-low-level-calls\r\n        (bool success, bytes memory returndata) = target.delegatecall(data);\r\n        return _verifyCallResult(success, returndata, errorMessage);\r\n    }\r\n\r\n    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {\r\n        if (success) {\r\n            return returndata;\r\n        } else {\r\n            // Look for revert reason and bubble it up if present\r\n            if (returndata.length > 0) {\r\n                // The easiest way to bubble the revert reason is using memory via assembly\r\n\r\n                // solhint-disable-next-line no-inline-assembly\r\n                assembly {\r\n                    let returndata_size := mload(returndata)\r\n                    revert(add(32, returndata), returndata_size)\r\n                }\r\n            } else {\r\n                revert(errorMessage);\r\n            }\r\n        }\r\n    }\r\n}\r\n\r\n\r\n// File @openzeppelin/contracts/token/ERC20/SafeERC20.sol@v3.4.2\r\n\r\n\r\n\r\npragma solidity >=0.6.0 <0.8.0;\r\n\r\n\r\n\r\n/**\r\n * @title SafeERC20\r\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\r\n * contract returns false). Tokens that return no value (and instead revert or\r\n * throw on failure) are also supported, non-reverting calls are assumed to be\r\n * successful.\r\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\r\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\r\n */\r\nlibrary SafeERC20 {\r\n    using SafeMath for uint256;\r\n    using Address for address;\r\n\r\n    function safeTransfer(IERC20 token, address to, uint256 value) internal {\r\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\r\n    }\r\n\r\n    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\r\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\r\n    }\r\n\r\n    /**\r\n     * @dev Deprecated. This function has issues similar to the ones found in\r\n     * {IERC20-approve}, and its usage is discouraged.\r\n     *\r\n     * Whenever possible, use {safeIncreaseAllowance} and\r\n     * {safeDecreaseAllowance} instead.\r\n     */\r\n    function safeApprove(IERC20 token, address spender, uint256 value) internal {\r\n        // safeApprove should only be called when setting an initial allowance,\r\n        // or when resetting it to zero. To increase and decrease it, use\r\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\r\n        // solhint-disable-next-line max-line-length\r\n        require((value == 0) || (token.allowance(address(this), spender) == 0),\r\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\r\n        );\r\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\r\n    }\r\n\r\n    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\r\n        uint256 newAllowance = token.allowance(address(this), spender).add(value);\r\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\r\n    }\r\n\r\n    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\r\n        uint256 newAllowance = token.allowance(address(this), spender).sub(value, \"SafeERC20: decreased allowance below zero\");\r\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\r\n    }\r\n\r\n    /**\r\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\r\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\r\n     * @param token The token targeted by the call.\r\n     * @param data The call data (encoded using abi.encode or one of its variants).\r\n     */\r\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\r\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\r\n        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\r\n        // the target address contains contract code and also asserts for success in the low-level call.\r\n\r\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\r\n        if (returndata.length > 0) { // Return data is optional\r\n            // solhint-disable-next-line max-line-length\r\n            require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\r\n        }\r\n    }\r\n}\r\n\r\n\r\n// File contracts/distribution/SlvmGenesisRewardPool.sol\r\n\r\n\r\ninterface INode {\r\n    function whitelist(address _addr) external view returns(bool);\r\n}\r\npragma solidity 0.6.12;\r\n\r\n// Note that this pool has no minter key of SLVM (rewards).\r\n// Instead, the governance will call SLVM distributeReward method and send reward to this pool at the beginning.\r\ncontract SlvmGenesisRewardPool {\r\n    using SafeMath for uint256;\r\n    using SafeERC20 for IERC20;\r\n\r\n    // governance\r\n    address public operator;\r\n    address public node;\r\n    address public feeAddress;\r\n    address public paxg = 0x45804880De22913dAFE09f4980848ECE6EcbAf78;\r\n\r\n    uint256 public whitelistPrice = 125000000000000000;\r\n    // Info of each user.\r\n    struct UserInfo {\r\n        uint256 amount; // How many tokens the user has provided.\r\n        uint256 rewardDebt; // Reward debt. See explanation below.\r\n    }\r\n\r\n    // Info of each pool.\r\n    struct PoolInfo {\r\n        IERC20 token; // Address of LP token contract.\r\n        uint256 allocPoint; // How many allocation points assigned to this pool. SLVM to distribute.\r\n        uint256 lastRewardTime; // Last time that SLVM distribution occurs.\r\n        uint256 accSlvmPerShare; // Accumulated SLVM per share, times 1e18. See below.\r\n        bool isStarted; // if lastRewardBlock has passed\r\n        uint256 fee;\r\n    }\r\n\r\n    IERC20 public slvm;\r\n\r\n    // Info of each pool.\r\n    PoolInfo[] public poolInfo;\r\n\r\n    // Info of each user that stakes LP tokens.\r\n    mapping(uint256 => mapping(address => UserInfo)) public userInfo;\r\n\r\n    // Total allocation points. Must be the sum of all allocation points in all pools.\r\n    uint256 public totalAllocPoint = 0;\r\n\r\n    // The time when SLVM mining starts.\r\n    uint256 public poolStartTime;\r\n\r\n    // The time when SLVM mining ends.\r\n    uint256 public poolEndTime;\r\n    mapping (address => bool) public whitelist;\r\n    bool whitelistEnabled = true;\r\n\r\n    // MAINNET\r\n    uint256 public slvmPerSecond = 0.0192901234567 ether; // 5000 SLVM / (24h * 60min * 60s)\r\n    uint256 public runningTime = 3 days; // 3 days\r\n    uint256 public constant TOTAL_REWARDS = 5000 ether;\r\n    // END MAINNET\r\n\r\n    event Deposit(address indexed user, uint256 indexed pid, uint256 amount);\r\n    event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);\r\n    event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);\r\n    event RewardPaid(address indexed user, uint256 amount);\r\n\r\n    constructor(\r\n        address _slvm,\r\n        uint256 _poolStartTime,\r\n        address _node,\r\n        address _feeAddress\r\n    ) public {\r\n        require(block.timestamp < _poolStartTime, \"late\");\r\n\r\n        if (_slvm != address(0)) slvm = IERC20(_slvm);\r\n        poolStartTime = _poolStartTime;\r\n        poolEndTime = poolStartTime + runningTime;\r\n        operator = msg.sender;\r\n        node = _node;\r\n        feeAddress = _feeAddress;\r\n    }\r\n    \r\n\r\n    modifier onlyOperator() {\r\n        require(operator == msg.sender, \"SlvmGenesisPool: caller is not the operator\");\r\n        _;\r\n    }\r\n\r\n    // set fee address\r\n    function setFeeAddress(address _feeAddress) public onlyOperator{\r\n        feeAddress = _feeAddress;\r\n    }\r\n\r\n    // set an address's whitelist state\r\n    function setWhitelist(address _addr, bool _f) public onlyOperator{\r\n        whitelist[_addr] = _f;\r\n    }\r\n\r\n    // set whitelist on or off\r\n    function setWhitelistEnabled(bool _f) public onlyOperator{\r\n        whitelistEnabled = _f;\r\n    }\r\n\r\n    // buy whitelist\r\n    function buyWhitelist() public {\r\n        require(isWhitelist(msg.sender) == false, \"Already in whitelist\");\r\n        IERC20(paxg).transferFrom(msg.sender, feeAddress, whitelistPrice);\r\n        whitelist[msg.sender] = true;\r\n    }\r\n\r\n    // check address is whitelisted\r\n    function isWhitelist(address _addr) public view returns(bool){\r\n        if ( whitelistEnabled ){\r\n            bool f1 = whitelist[_addr];\r\n            bool f2 = INode(node).whitelist(_addr);\r\n            return f1 || f2;\r\n        }\r\n        return true;\r\n    }\r\n\r\n    // check pool duplicate\r\n    function checkPoolDuplicate(IERC20 _token) internal view {\r\n        uint256 length = poolInfo.length;\r\n        for (uint256 pid = 0; pid < length; ++pid) {\r\n            require(poolInfo[pid].token != _token, \"SlvmGenesisPool: existing pool?\");\r\n        }\r\n    }\r\n\r\n    // Add a new token to the pool. Can only be called by the owner.\r\n    function add(\r\n        uint256 _allocPoint,\r\n        IERC20 _token,\r\n        bool _withUpdate,\r\n        uint256 _lastRewardTime,\r\n        uint256 _fee\r\n    ) public onlyOperator {\r\n        checkPoolDuplicate(_token);\r\n        if (_withUpdate) {\r\n            massUpdatePools();\r\n        }\r\n        if (block.timestamp < poolStartTime) {\r\n            // chef is sleeping\r\n            if (_lastRewardTime == 0) {\r\n                _lastRewardTime = poolStartTime;\r\n            } else {\r\n                if (_lastRewardTime < poolStartTime) {\r\n                    _lastRewardTime = poolStartTime;\r\n                }\r\n            }\r\n        } else {\r\n            // chef is cooking\r\n            if (_lastRewardTime == 0 || _lastRewardTime < block.timestamp) {\r\n                _lastRewardTime = block.timestamp;\r\n            }\r\n        }\r\n        bool _isStarted = (_lastRewardTime <= poolStartTime) || (_lastRewardTime <= block.timestamp);\r\n        poolInfo.push(PoolInfo({token: _token, allocPoint: _allocPoint, lastRewardTime: _lastRewardTime, accSlvmPerShare: 0, isStarted: _isStarted, fee: _fee}));\r\n        if (_isStarted) {\r\n            totalAllocPoint = totalAllocPoint.add(_allocPoint);\r\n        }\r\n    }\r\n\r\n    // Update the given pool's SLVM allocation point. Can only be called by the owner.\r\n    function set(uint256 _pid, uint256 _allocPoint, uint256 _fee) public onlyOperator {\r\n        massUpdatePools();\r\n        PoolInfo storage pool = poolInfo[_pid];\r\n        if (pool.isStarted) {\r\n            totalAllocPoint = totalAllocPoint.sub(pool.allocPoint).add(_allocPoint);\r\n        }\r\n        pool.allocPoint = _allocPoint;\r\n        pool.fee = _fee;\r\n    }\r\n\r\n    // Return accumulate rewards over the given _from to _to block.\r\n    function getGeneratedReward(uint256 _fromTime, uint256 _toTime) public view returns (uint256) {\r\n        if (_fromTime >= _toTime) return 0;\r\n        if (_toTime >= poolEndTime) {\r\n            if (_fromTime >= poolEndTime) return 0;\r\n            if (_fromTime <= poolStartTime) return poolEndTime.sub(poolStartTime).mul(slvmPerSecond);\r\n            return poolEndTime.sub(_fromTime).mul(slvmPerSecond);\r\n        } else {\r\n            if (_toTime <= poolStartTime) return 0;\r\n            if (_fromTime <= poolStartTime) return _toTime.sub(poolStartTime).mul(slvmPerSecond);\r\n            return _toTime.sub(_fromTime).mul(slvmPerSecond);\r\n        }\r\n    }\r\n\r\n    // View function to see pending SLVM on frontend.\r\n    function pendingSLVM(uint256 _pid, address _user) external view returns (uint256) {\r\n        PoolInfo storage pool = poolInfo[_pid];\r\n        UserInfo storage user = userInfo[_pid][_user];\r\n        uint256 accSlvmPerShare = pool.accSlvmPerShare;\r\n        uint256 tokenSupply = pool.token.balanceOf(address(this));\r\n        if (block.timestamp > pool.lastRewardTime && tokenSupply != 0) {\r\n            uint256 _generatedReward = getGeneratedReward(pool.lastRewardTime, block.timestamp);\r\n            uint256 _slvmReward = _generatedReward.mul(pool.allocPoint).div(totalAllocPoint);\r\n            accSlvmPerShare = accSlvmPerShare.add(_slvmReward.mul(1e18).div(tokenSupply));\r\n        }\r\n        return user.amount.mul(accSlvmPerShare).div(1e18).sub(user.rewardDebt);\r\n    }\r\n\r\n    // Update reward variables for all pools. Be careful of gas spending!\r\n    function massUpdatePools() public {\r\n        uint256 length = poolInfo.length;\r\n        for (uint256 pid = 0; pid < length; ++pid) {\r\n            updatePool(pid);\r\n        }\r\n    }\r\n\r\n    // Update reward variables of the given pool to be up-to-date.\r\n    function updatePool(uint256 _pid) public {\r\n        PoolInfo storage pool = poolInfo[_pid];\r\n        if (block.timestamp <= pool.lastRewardTime) {\r\n            return;\r\n        }\r\n        uint256 tokenSupply = pool.token.balanceOf(address(this));\r\n        if (tokenSupply == 0) {\r\n            pool.lastRewardTime = block.timestamp;\r\n            return;\r\n        }\r\n        if (!pool.isStarted) {\r\n            pool.isStarted = true;\r\n            totalAllocPoint = totalAllocPoint.add(pool.allocPoint);\r\n        }\r\n        if (totalAllocPoint > 0) {\r\n            uint256 _generatedReward = getGeneratedReward(pool.lastRewardTime, block.timestamp);\r\n            uint256 _slvmReward = _generatedReward.mul(pool.allocPoint).div(totalAllocPoint);\r\n            pool.accSlvmPerShare = pool.accSlvmPerShare.add(_slvmReward.mul(1e18).div(tokenSupply));\r\n        }\r\n        pool.lastRewardTime = block.timestamp;\r\n    }\r\n\r\n    // Deposit LP tokens.\r\n    function deposit(uint256 _pid, uint256 _amount) public {\r\n        address _sender = msg.sender;\r\n        bool _f = isWhitelist(_sender);\r\n        require(_f, \"Not in whitelist\");\r\n        \r\n        PoolInfo storage pool = poolInfo[_pid];\r\n        UserInfo storage user = userInfo[_pid][_sender];\r\n        updatePool(_pid);\r\n        if (user.amount > 0) {\r\n            uint256 _pending = user.amount.mul(pool.accSlvmPerShare).div(1e18).sub(user.rewardDebt);\r\n            if (_pending > 0) {\r\n                safeSlvmTransfer(_sender, _pending);\r\n                emit RewardPaid(_sender, _pending);\r\n            }\r\n        }\r\n        if (_amount > 0) {\r\n            pool.token.safeTransferFrom(_sender, address(this), _amount);\r\n            uint256 fee = _amount.mul(pool.fee).div(1000);\r\n            pool.token.transfer(feeAddress, fee);\r\n            user.amount = user.amount.add(_amount).sub(fee);\r\n        }\r\n        user.rewardDebt = user.amount.mul(pool.accSlvmPerShare).div(1e18);\r\n        emit Deposit(_sender, _pid, _amount);\r\n    }\r\n\r\n    // Withdraw LP tokens.\r\n    function withdraw(uint256 _pid, uint256 _amount) public {\r\n        address _sender = msg.sender;\r\n        PoolInfo storage pool = poolInfo[_pid];\r\n        UserInfo storage user = userInfo[_pid][_sender];\r\n        require(user.amount >= _amount, \"withdraw: not good\");\r\n        updatePool(_pid);\r\n        uint256 _pending = user.amount.mul(pool.accSlvmPerShare).div(1e18).sub(user.rewardDebt);\r\n        if (_pending > 0) {\r\n            safeSlvmTransfer(_sender, _pending);\r\n            emit RewardPaid(_sender, _pending);\r\n        }\r\n        if (_amount > 0) {\r\n            user.amount = user.amount.sub(_amount);\r\n            pool.token.safeTransfer(_sender, _amount);\r\n        }\r\n        user.rewardDebt = user.amount.mul(pool.accSlvmPerShare).div(1e18);\r\n        emit Withdraw(_sender, _pid, _amount);\r\n    }\r\n\r\n    // Withdraw without caring about rewards. EMERGENCY ONLY.\r\n    function emergencyWithdraw(uint256 _pid) public {\r\n        PoolInfo storage pool = poolInfo[_pid];\r\n        UserInfo storage user = userInfo[_pid][msg.sender];\r\n        uint256 _amount = user.amount;\r\n        user.amount = 0;\r\n        user.rewardDebt = 0;\r\n        pool.token.safeTransfer(msg.sender, _amount);\r\n        emit EmergencyWithdraw(msg.sender, _pid, _amount);\r\n    }\r\n\r\n    // Safe SLVM transfer function, just in case if rounding error causes pool to not have enough SLVMs.\r\n    function safeSlvmTransfer(address _to, uint256 _amount) internal {\r\n        uint256 _slvmBalance = slvm.balanceOf(address(this));\r\n        if (_slvmBalance > 0) {\r\n            if (_amount > _slvmBalance) {\r\n                slvm.safeTransfer(_to, _slvmBalance);\r\n            } else {\r\n                slvm.safeTransfer(_to, _amount);\r\n            }\r\n        }\r\n    }\r\n\r\n    function setOperator(address _operator) external onlyOperator {\r\n        operator = _operator;\r\n    }\r\n\r\n    function governanceRecoverUnsupported(\r\n        IERC20 _token,\r\n        uint256 amount,\r\n        address to\r\n    ) external onlyOperator {\r\n        if (block.timestamp < poolEndTime + 90 days) {\r\n            // do not allow to drain core token (SLVM or lps) if less than 90 days after pool ends\r\n            require(_token != slvm, \"slvm\");\r\n            uint256 length = poolInfo.length;\r\n            for (uint256 pid = 0; pid < length; ++pid) {\r\n                PoolInfo storage pool = poolInfo[pid];\r\n                require(_token != pool.token, \"pool.token\");\r\n            }\r\n        }\r\n        _token.safeTransfer(to, amount);\r\n    }\r\n}"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  }
}