creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "/contracts/subStrategies/exchange/curveExchange.sol": {
        "content": "// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.0;\r\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\r\n\r\nimport \"../interfaces/ICurveRoute.sol\";\r\nimport \"../interfaces/ICurveAll.sol\";\r\nimport \"../interfaces/IExchange.sol\";\r\nimport \"../interfaces/IWeth.sol\";\r\nimport \"../operator.sol\";\r\nimport \"../saveApprove.sol\";\r\n\r\ncontract curveExchange is IExchange,saveApprove,operatorMap {\r\n    using SafeERC20 for IERC20;\r\n    address public weth;\r\n    /* *\r\n       *Pool type\r\n       * 0 : normal, use exchange(int128,int128) get_dy(int128,int128)\r\n       * 1 : underlying use exchange_underlying(int128,int128) get_dy_underlying(int128,int128)\r\n       * 2 : polygon matic use exchange(uint256,uint256) get_dy(uint256,uint256)\r\n     */\r\n    struct poolInfo {\r\n        uint8 poolType;\r\n        address curveRoute;\r\n        address pool;\r\n        address token0;\r\n        address token1;\r\n        int128 index0;\r\n        int128 index1;\r\n    }\r\n    mapping(uint256=>poolInfo) public curvePoolInfo;\r\n    mapping(uint256=>address[]) public routeInfo;\r\n\r\n    constructor(/*address _weth*/) {\r\n        //weth = _weth;\r\n    }\r\n    receive() external payable {}\r\n    function setCurvePair(uint8 poolType,address route,address pool,address token0,int128 index0,address token1,int128 index1) external onlyOwner{\r\n        uint256 index = getIndex(token0,token1);\r\n        curvePoolInfo[index] = poolInfo({poolType:poolType,curveRoute:route,pool: pool, token0: token0, token1: token1, index0: index0, index1: index1});\r\n    }\r\n    function setCurveRoute(address[]memory routePath) external onlyOwner{\r\n        uint256 len = routePath.length;\r\n        require(len > 1,\"ROUTE_EMPTY!\");\r\n        uint256 index = getIndex(routePath[0],routePath[len-1]);\r\n        routeInfo[index] = routePath;\r\n    }\r\n    function swap(address tokenIn,address tokenOut,uint256 amount,uint256 minAmount) external override onlyOperator returns(uint256){\r\n        IERC20(tokenIn).safeTransferFrom(msg.sender,address(this),amount);\r\n//        if (tokenIn == weth){\r\n//            tokenIn = address(0);\r\n//            IWeth(weth).withdraw(amount);\r\n//        }\r\n//        bool wethOut = tokenOut == weth;\r\n//        if(wethOut){\r\n//            tokenOut = address(0);\r\n//        }\r\n        uint256 outAmount = mainswap(tokenIn,tokenOut,amount,minAmount);\r\n//        if(wethOut){\r\n//            IWeth(weth).deposit{value: outAmount}();\r\n//            tokenOut = weth;\r\n//        }\r\n        IERC20(tokenOut).safeTransfer(msg.sender, outAmount);\r\n        return outAmount;\r\n    }\r\n    function mainswap(address tokenIn,address tokenOut,uint256 amount,uint256 minAmount) internal returns(uint256){\r\n        (bool havePool,uint256 outAmount) = singleSwap(tokenIn,tokenOut,amount,minAmount);\r\n        if(havePool){\r\n            return outAmount;\r\n        }\r\n        uint256 index = getIndex(tokenIn,tokenOut);\r\n        address[] memory curRoute = routeInfo[index];\r\n        uint256 len = curRoute.length;\r\n        require(len > 1,\"ROUTE_EMPTY!\");\r\n        if (curRoute[0] == tokenIn){\r\n            require(curRoute[len-1] == tokenOut,\"ROUTE_ERROR!\");\r\n        }else{\r\n            require(curRoute[len-1] == tokenIn && curRoute[0] == tokenOut,\"ROUTE_ERROR!\");\r\n            for (uint256 i=0;i<len/2;i++){\r\n                address temp = curRoute[i];\r\n                curRoute[i] = curRoute[len-1-i];\r\n                curRoute[len-1-i] = temp;\r\n            }\r\n        }\r\n        return routeSwap(curRoute,amount,minAmount);\r\n        \r\n    }\r\n    function singleSwap(address tokenIn,address tokenOut,uint256 amount,uint256 minAmount) internal returns(bool havePool, uint256 outAmount){\r\n        //if(tokenIn == address(0)){\r\n        //    return singleSwapEth(tokenIn,tokenOut,amount,minAmount);\r\n        //}\r\n        uint256 index = getIndex(tokenIn,tokenOut);\r\n        poolInfo memory curPool = curvePoolInfo[index];\r\n        if (curPool.pool == address(0)){\r\n            return (false,0);\r\n        }\r\n        havePool = true;\r\n        approve(tokenIn,curPool.pool);\r\n        if (curPool.curveRoute != address(0)){\r\n            approve(tokenIn,curPool.curveRoute);\r\n        }\r\n        int128 i = 0;\r\n        int128 j = 0;\r\n        if (tokenIn == curPool.token0){\r\n            require(tokenOut == curPool.token1, \"PAIR_ERROR!\");\r\n            i = curPool.index0;\r\n            j = curPool.index1;\r\n        }else{\r\n            require(tokenIn == curPool.token1 && tokenOut == curPool.token0, \"PAIR_ERROR!\"); \r\n            i = curPool.index1;\r\n            j = curPool.index0;\r\n        }\r\n        if (curPool.poolType == 0){\r\n            outAmount = ICurveAll(curPool.pool).exchange(i,j,amount,minAmount);\r\n        }else if(curPool.poolType == 1){\r\n            outAmount = ICurveAll(curPool.pool).exchange_underlying(i,j,amount,minAmount);\r\n        }else if(curPool.poolType == 2){\r\n            outAmount = ICurveAll(curPool.pool).exchange(uint256(uint128(i)),uint256(uint128(j)),amount,minAmount,false);\r\n        }else  if (curPool.poolType == 3){\r\n            outAmount = ICurveRoute(curPool.curveRoute).exchange(curPool.pool,i,j,amount,minAmount);\r\n        }else if(curPool.poolType == 4){\r\n            outAmount = ICurveRoute(curPool.curveRoute).exchange_underlying(curPool.pool,i,j,amount,minAmount);\r\n        }else if(curPool.poolType == 5){\r\n            outAmount = ICurveRoute(curPool.curveRoute).exchange(curPool.pool,uint256(uint128(i)),uint256(uint128(j)),amount,minAmount,false);\r\n        }else{\r\n            require(false, \"POOL_ERROR!\");\r\n        }\r\n    }\r\n    /*\r\n    function singleSwapEth(address tokenIn,address tokenOut,uint256 amount,uint256 minAmount) internal returns(bool havePool, uint256 outAmount){\r\n        require(tokenIn == address(0), \"ADDRESS_ERROR!\");\r\n        uint256 index = getIndex(tokenIn,tokenOut);\r\n        poolInfo memory curPool = curvePoolInfo[index];\r\n        if (curPool.pool == address(0)){\r\n            return (false,0);\r\n        }\r\n        havePool = true;\r\n        int128 i = 0;\r\n        int128 j = 0;\r\n        if (tokenIn == curPool.token0){\r\n            require(tokenOut == curPool.token1, \"PAIR_ERROR!\");\r\n            i = curPool.index0;\r\n            j = curPool.index1;\r\n        }else{\r\n            require(tokenIn == curPool.token1 && tokenOut == curPool.token0, \"PAIR_ERROR!\"); \r\n            i = curPool.index1;\r\n            j = curPool.index0;\r\n        }\r\n        if (curPool.poolType == 0){\r\n            outAmount = ICurveAll(curPool.pool).exchange{value: amount}(i,j,amount,minAmount);\r\n        }else if(curPool.poolType == 1){\r\n            outAmount = ICurveAll(curPool.pool).exchange_underlying{value: amount}(i,j,amount,minAmount);\r\n        }else if(curPool.poolType == 2){\r\n            outAmount = ICurveAll(curPool.pool).exchange{value: amount}(uint256(uint128(i)),uint256(uint128(j)),amount,minAmount,true);\r\n        }else  if (curPool.poolType == 3){\r\n            outAmount = ICurveRoute(curPool.curveRoute).exchange{value: amount}(curPool.pool,i,j,amount,minAmount);\r\n        }else if(curPool.poolType == 4){\r\n            outAmount = ICurveRoute(curPool.curveRoute).exchange_underlying{value: amount}(curPool.pool,i,j,amount,minAmount);\r\n        }else if(curPool.poolType == 5){\r\n            outAmount = ICurveRoute(curPool.curveRoute).exchange{value: amount}(curPool.pool,uint256(uint128(i)),uint256(uint128(j)),amount,minAmount,true);\r\n        }else{\r\n            require(false, \"POOL_ERROR!\");\r\n        }\r\n    }\r\n    */\r\n    function routeSwap(address[] memory curRoute,uint256 amount,uint256 minAmount)internal returns(uint256){\r\n        uint256 len = curRoute.length; \r\n        uint256 AmountIn = amount;\r\n        bool havePool;\r\n        for (uint256 i=0;i<len-2;i++){\r\n            (havePool,AmountIn) = singleSwap(curRoute[i],curRoute[i+1],AmountIn,0);\r\n            require(havePool,\"PAIR_ERROR!\");\r\n        }\r\n        (havePool,AmountIn) = singleSwap(curRoute[len-2],curRoute[len-1],AmountIn,minAmount);\r\n        require(havePool,\"PAIR_ERROR!\");\r\n        return AmountIn;\r\n    }\r\n    function getIndex(address tokenIn,address tokenOut)internal pure returns(uint256){\r\n        return uint256(uint160(tokenIn)) + uint256(uint160(tokenOut));\r\n    }\r\n    function getCurveInputValue(address tokenIn,address tokenOut,uint256 outAmount,uint256 maxInput)external view override returns (uint256){\r\n        /*\r\n        if (tokenIn == weth){\r\n            tokenIn = address(0);\r\n        }\r\n        if(tokenOut == weth){\r\n            tokenOut = address(0);\r\n        }\r\n        */\r\n        uint256 curveOut = curveGet_dy(tokenIn, tokenOut, maxInput);\r\n        return outAmount*maxInput/curveOut+1;\r\n    }\r\n    function getCurve_dy(address tokenIn,address tokenOut,uint256 amount)external view returns (uint256){\r\n        /*\r\n        if (tokenIn == weth){\r\n            tokenIn = address(0);\r\n        }\r\n        if(tokenOut == weth){\r\n            tokenOut = address(0);\r\n        }\r\n        */\r\n        return curveGet_dy(tokenIn,tokenOut,amount);\r\n    }\r\n    function curveGet_dy(address tokenIn,address tokenOut,uint256 amount) internal view returns(uint256){\r\n        (bool havePool,uint256 outAmount) = singleGet_dy(tokenIn,tokenOut,amount);\r\n        if(havePool){\r\n            return outAmount;\r\n        }\r\n        uint256 index = getIndex(tokenIn,tokenOut);\r\n        address[] memory curRoute = routeInfo[index];\r\n        uint256 len = curRoute.length;\r\n        require(len > 0,\"ROUTE_EMPTY!\");\r\n        if (curRoute[0] == tokenIn){\r\n            require(curRoute[len-1] == tokenOut,\"ROUTE_ERROR!\");\r\n        }else{\r\n            require(curRoute[len-1] == tokenIn && curRoute[0] == tokenOut,\"ROUTE_ERROR!\");\r\n            for (uint256 i=0;i<len/2;i++){\r\n                address temp = curRoute[i];\r\n                curRoute[i] = curRoute[len-1-i];\r\n                curRoute[len-1-i] = temp;\r\n            }\r\n        }\r\n        return routeGet_dy(curRoute,amount);\r\n        \r\n    }\r\n    function singleGet_dy(address tokenIn,address tokenOut,uint256 inAmount) internal view returns(bool havePool, uint256 outAmount){\r\n        uint256 index = getIndex(tokenIn,tokenOut);\r\n        poolInfo memory curPool = curvePoolInfo[index];\r\n        if (curPool.pool == address(0)){\r\n            return (false,0);\r\n        }\r\n        havePool = true;\r\n        int128 i = 0;\r\n        int128 j = 0;\r\n        if (tokenIn == curPool.token0){\r\n            require(tokenOut == curPool.token1, \"PAIR_ERROR!\");\r\n            i = curPool.index0;\r\n            j = curPool.index1;\r\n        }else{\r\n            require(tokenIn == curPool.token1 && tokenOut == curPool.token0, \"PAIR_ERROR!\"); \r\n            i = curPool.index1;\r\n            j = curPool.index0;\r\n        }\r\n        if (curPool.poolType == 0){\r\n            outAmount = ICurveAll(curPool.pool).get_dy(i,j,inAmount);\r\n        }else if(curPool.poolType == 1){\r\n            outAmount = ICurveAll(curPool.pool).get_dy_underlying(i,j,inAmount);\r\n        }else if(curPool.poolType == 2){\r\n            outAmount = ICurveAll(curPool.pool).get_dy(uint256(uint128(i)),uint256(uint128(j)),inAmount);\r\n        }else if(curPool.poolType == 3){\r\n            outAmount = ICurveRoute(curPool.curveRoute).get_dy(curPool.pool,i,j,inAmount);\r\n        }else if(curPool.poolType == 4){\r\n            outAmount = ICurveRoute(curPool.curveRoute).get_dy_underlying(curPool.pool,i,j,inAmount);\r\n        }else if(curPool.poolType == 5){\r\n            outAmount = ICurveRoute(curPool.curveRoute).get_dy(curPool.pool,uint256(uint128(i)),uint256(uint128(j)),inAmount);\r\n        }else{\r\n            require(false, \"POOL_ERROR!\");\r\n        }\r\n    }\r\n    function routeGet_dy(address[] memory curRoute,uint256 inAmount)internal view returns(uint256){\r\n        uint256 len = curRoute.length; \r\n        uint256 AmountIn = inAmount;\r\n        bool havePool;\r\n        for (uint256 i=0;i<len-1;i++){\r\n            (havePool,AmountIn) = singleGet_dy(curRoute[i],curRoute[i+1],AmountIn);\r\n            require(havePool,\"PAIR_ERROR!\");\r\n        }\r\n        return AmountIn;\r\n    }\r\n}"
      },
      "/contracts/subStrategies/saveApprove.sol": {
        "content": "// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.0;\r\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\r\n\r\ncontract saveApprove {\r\n    using SafeERC20 for IERC20;\r\n    mapping(address=>mapping(address=>bool)) public approveMap;\r\n    function approve(address token, address spender) internal {\r\n        require(token != address(0), \"INVALID_ADDRESS\");\r\n        if(!approveMap[token][spender]){\r\n            approveMap[token][spender] = true;\r\n            IERC20(token).safeApprove(spender,type(uint256).max);\r\n        }\r\n    }\r\n}"
      },
      "/contracts/subStrategies/operator.sol": {
        "content": "// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.0;\r\n\r\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\r\n\r\ncontract operatorMap is Ownable {\r\n    mapping(address=>bool) public operator;\r\n    event SetOperator(address operator, bool istrue);\r\n    modifier onlyOperator() {\r\n        require(operator[_msgSender()] == true, \"NOT_OPERATOR\");\r\n        _;\r\n    }\r\n    /**\r\n        Set Operator\r\n     */\r\n    function setOperator(address _Operator, bool _isTrue) external onlyOwner {\r\n        require(_Operator != address(0), \"INVALID_ADDRESS\");\r\n        operator[_Operator]=_isTrue;\r\n        emit SetOperator(_Operator, _isTrue);\r\n    }\r\n}"
      },
      "/contracts/subStrategies/interfaces/IWeth.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface IWeth {\n    function withdraw(uint256 wad) external;\n    function deposit() external payable;\n}\n"
      },
      "/contracts/subStrategies/interfaces/IExchange.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface IExchange {\n    function swap(address tokenIn,address tokenOut,uint256 amount,uint256 minAmount) external returns (uint256);\n    function getCurveInputValue(address tokenIn,address tokenOut,uint256 outAmount,uint256 maxInput)external view returns (uint256);\n}\n"
      },
      "/contracts/subStrategies/interfaces/ICurveRoute.sol": {
        "content": "// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.0;\r\ninterface ICurveRoute {\r\n    function exchange(\r\n        address _pool,\r\n        int128 i,\r\n        int128 j,\r\n        uint256 dx,\r\n        uint256 min_dy\r\n    ) external payable returns (uint256);\r\n    function get_dy(\r\n        address _pool,\r\n        int128 i,\r\n        int128 j,\r\n        uint256 dx\r\n    ) external view returns (uint256);\r\n    function exchange_underlying(\r\n        address _pool,\r\n        int128 i,\r\n        int128 j,\r\n        uint256 dx,\r\n        uint256 min_dy\r\n    ) external payable returns (uint256);\r\n    function get_dy_underlying(\r\n        address _pool,\r\n        int128 i,\r\n        int128 j,\r\n        uint256 dx\r\n    ) external view returns (uint256);\r\n    function exchange(\r\n        address _pool,\r\n        uint256 i,\r\n        uint256 j,\r\n        uint256 dx,\r\n        uint256 min_dy,\r\n        bool use_eth\r\n    ) external payable returns (uint256);\r\n    function get_dy(\r\n        address _pool,\r\n        uint256 i,\r\n        uint256 j,\r\n        uint256 dx\r\n    ) external view returns (uint256);\r\n}\r\n"
      },
      "/contracts/subStrategies/interfaces/ICurveAll.sol": {
        "content": "// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.0;\r\ninterface ICurveAll {\r\n    function exchange(\r\n        int128 i,\r\n        int128 j,\r\n        uint256 dx,\r\n        uint256 min_dy\r\n    ) external payable returns (uint256);\r\n    function get_dy(\r\n        int128 i,\r\n        int128 j,\r\n        uint256 dx\r\n    ) external view returns (uint256);\r\n    function exchange_underlying(\r\n        int128 i,\r\n        int128 j,\r\n        uint256 dx,\r\n        uint256 min_dy\r\n    ) external payable returns (uint256);\r\n    function get_dy_underlying(\r\n        int128 i,\r\n        int128 j,\r\n        uint256 dx\r\n    ) external view returns (uint256);\r\n    function exchange(\r\n        uint256 i,\r\n        uint256 j,\r\n        uint256 dx,\r\n        uint256 min_dy,\r\n        bool use_eth\r\n    ) external payable returns (uint256);\r\n    function get_dy(\r\n        uint256 i,\r\n        uint256 j,\r\n        uint256 dx\r\n    ) external view returns (uint256);\r\n}\r\n"
      },
      "@openzeppelin/contracts/utils/Context.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/Address.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n     *\n     * _Available since v4.8._\n     */\n    function verifyCallResultFromTarget(\n        address target,\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        if (success) {\n            if (returndata.length == 0) {\n                // only check isContract if the call was successful and the return data is empty\n                // otherwise we already know that it was a contract\n                require(isContract(target), \"Address: call to non-contract\");\n            }\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    /**\n     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason or using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    function _revert(bytes memory returndata, string memory errorMessage) private pure {\n        // Look for revert reason and bubble it up if present\n        if (returndata.length > 0) {\n            // The easiest way to bubble the revert reason is using memory via assembly\n            /// @solidity memory-safe-assembly\n            assembly {\n                let returndata_size := mload(returndata)\n                revert(add(32, returndata), returndata_size)\n            }\n        } else {\n            revert(errorMessage);\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../extensions/draft-IERC20Permit.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n    using Address for address;\n\n    function safeTransfer(\n        IERC20 token,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\n\n    function safeTransferFrom(\n        IERC20 token,\n        address from,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n    }\n\n    /**\n     * @dev Deprecated. This function has issues similar to the ones found in\n     * {IERC20-approve}, and its usage is discouraged.\n     *\n     * Whenever possible, use {safeIncreaseAllowance} and\n     * {safeDecreaseAllowance} instead.\n     */\n    function safeApprove(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        // safeApprove should only be called when setting an initial allowance,\n        // or when resetting it to zero. To increase and decrease it, use\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n        require(\n            (value == 0) || (token.allowance(address(this), spender) == 0),\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\n        );\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n    }\n\n    function safeIncreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        uint256 newAllowance = token.allowance(address(this), spender) + value;\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n    }\n\n    function safeDecreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        unchecked {\n            uint256 oldAllowance = token.allowance(address(this), spender);\n            require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n            uint256 newAllowance = oldAllowance - value;\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n        }\n    }\n\n    function safePermit(\n        IERC20Permit token,\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal {\n        uint256 nonceBefore = token.nonces(owner);\n        token.permit(owner, spender, value, deadline, v, r, s);\n        uint256 nonceAfter = token.nonces(owner);\n        require(nonceAfter == nonceBefore + 1, \"SafeERC20: permit did not succeed\");\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that\n        // the target address contains contract code and also asserts for success in the low-level call.\n\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n        if (returndata.length > 0) {\n            // Return data is optional\n            require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20Permit {\n    /**\n     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n     * given ``owner``'s signed approval.\n     *\n     * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n     * ordering also apply here.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `deadline` must be a timestamp in the future.\n     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n     * over the EIP712-formatted function arguments.\n     * - the signature must use ``owner``'s current nonce (see {nonces}).\n     *\n     * For more information on the signature format, see the\n     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n     * section].\n     */\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) external;\n\n    /**\n     * @dev Returns the current nonce for `owner`. This value must be\n     * included whenever a signature is generated for {permit}.\n     *\n     * Every successful call to {permit} increases ``owner``'s nonce by one. This\n     * prevents a signature from being used multiple times.\n     */\n    function nonces(address owner) external view returns (uint256);\n\n    /**\n     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the amount of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves `amount` tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Moves `amount` tokens from `from` to `to` using the\n     * allowance mechanism. `amount` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 amount\n    ) external returns (bool);\n}\n"
      },
      "@openzeppelin/contracts/access/Ownable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"
      }
    },
    "settings": {
      "remappings": [],
      "optimizer": {
        "enabled": true,
        "runs": 200
      },
      "evmVersion": "london",
      "libraries": {},
      "outputSelection": {
        "*": {
          "*": [
            "evm.bytecode",
            "evm.deployedBytecode",
            "devdoc",
            "userdoc",
            "metadata",
            "abi"
          ]
        }
      }
    }
  }}