{ "contractName": "Address", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Collection of functions related to the address type\",\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/utils/Address.sol\":\"Address\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0xa6a15ddddcbf29d2922a1e0d4151b5d2d33da24b93cc9ebc12390e0d855532f8\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7c119bcaecfa853d564ac88d312777f75fa1126a3bca88a3371adb0ad9f35cb0\",\"dweb:/ipfs/QmY9UPuXeSKq86Zh38fE43VGQPhKMN34mkuFSFqPcr6nvZ\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220d0017cf2b54ddfd7cb0d43bea3dc74bb7e4e0e9896d7e17b48576077f8406b3064736f6c634300060c0033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220d0017cf2b54ddfd7cb0d43bea3dc74bb7e4e0e9896d7e17b48576077f8406b3064736f6c634300060c0033", "immutableReferences": {}, "sourceMap": "134:6704:16:-:0;;;;;;;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": "134:6704:16:-:0;;;;;;;;", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.6.2 <0.8.0;\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 function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n // solhint-disable-next-line no-inline-assembly\n assembly { size := extcodesize(account) }\n return size > 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 // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\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 functionCall(target, data, \"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(address target, bytes memory data, string memory errorMessage) 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(address target, bytes memory data, uint256 value) 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(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n // solhint-disable-next-line avoid-low-level-calls\n (bool success, bytes memory returndata) = target.call{ value: value }(data);\n return _verifyCallResult(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(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n // solhint-disable-next-line avoid-low-level-calls\n (bool success, bytes memory returndata) = target.staticcall(data);\n return _verifyCallResult(success, returndata, errorMessage);\n }\n\n function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {\n if (success) {\n return returndata;\n } else {\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\n // solhint-disable-next-line no-inline-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}\n", "sourcePath": "@openzeppelin/contracts/utils/Address.sol", "ast": { "absolutePath": "@openzeppelin/contracts/utils/Address.sol", "exportedSymbols": { "Address": [ 3790 ] }, "id": 3791, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 3548, "literals": [ "solidity", ">=", "0.6", ".2", "<", "0.8", ".0" ], "nodeType": 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"src": "1117:15:16" } ] }, "documentation": { "id": 3550, "nodeType": "StructuredDocumentation", "src": "156:565:16", "text": " @dev Returns true if `account` is a contract.\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 Among others, `isContract` will return false for the following\n types of addresses:\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 ====" }, "id": 3566, "implemented": true, "kind": "function", "modifiers": [], "name": "isContract", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3553, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3552, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3566, "src": "746:15:16", "stateVariable": 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"t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae", "typeString": "literal_string \"Address: unable to send value, recipient may have reverted\"" } ], "id": 3594, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2362:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 3597, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2362:78:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3598, "nodeType": "ExpressionStatement", "src": "2362:78:16" } ] }, "documentation": { "id": 3567, "nodeType": "StructuredDocumentation", "src": "1145:906:16", "text": " @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n `recipient`, forwarding all available gas and reverting on errors.\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 https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\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]." }, "id": 3600, "implemented": true, "kind": "function", "modifiers": [], "name": "sendValue", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3572, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3569, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3600, "src": "2075:25:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 3568, "name": "address", "nodeType": "ElementaryTypeName", "src": "2075:15:16", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3571, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3600, "src": "2102:14:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3570, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2102:7:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2074:43:16" }, "returnParameters": { "id": 3573, "nodeType": "ParameterList", "parameters": [], "src": "2127:0:16" }, "scope": 3790, "src": "2056:391:16", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 3616, "nodeType": "Block", "src": "3277:82:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3611, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3603, "src": "3305:6:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 3612, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3605, "src": "3313:4:16", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c206661696c6564", "id": 3613, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3319:32:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_24d7ab5d382116e64324f19950ca9340b8af1ddeb09a8d026e0a3c6a01dcc9df", "typeString": "literal_string \"Address: low-level call failed\"" }, "value": "Address: low-level call failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_stringliteral_24d7ab5d382116e64324f19950ca9340b8af1ddeb09a8d026e0a3c6a01dcc9df", "typeString": "literal_string \"Address: low-level call failed\"" } ], "id": 3610, "name": "functionCall", "nodeType": "Identifier", "overloadedDeclarations": [ 3617, 3637 ], "referencedDeclaration": 3637, "src": "3292:12:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,string memory) returns (bytes memory)" } }, "id": 3614, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3292:60:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 3609, "id": 3615, "nodeType": "Return", "src": "3285:67:16" } ] }, "documentation": { "id": 3601, "nodeType": "StructuredDocumentation", "src": "2453:730:16", "text": " @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 If `target` reverts with a revert reason, it is bubbled up by this\n function (like regular Solidity function calls).\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 Requirements:\n - `target` must be a contract.\n - calling `target` with `data` must not revert.\n _Available since v3.1._" }, "id": 3617, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3606, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3603, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3617, "src": "3210:14:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3602, "name": "address", "nodeType": "ElementaryTypeName", "src": "3210:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3605, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3617, "src": "3226:17:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3604, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3226:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3209:35:16" }, "returnParameters": { "id": 3609, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3608, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3617, "src": "3263:12:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3607, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3263:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3262:14:16" }, "scope": 3790, "src": "3188:171:16", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 3636, "nodeType": "Block", "src": "3698:76:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3630, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3620, "src": "3737:6:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 3631, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3622, "src": "3745:4:16", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "hexValue": "30", "id": 3632, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3751:1:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "id": 3633, "name": "errorMessage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3624, "src": "3754:12:16", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 3629, "name": "functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [ 3657, 3707 ], "referencedDeclaration": 3707, "src": "3715:21:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_uint256_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,uint256,string memory) returns (bytes memory)" } }, "id": 3634, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3715:52:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 3628, "id": 3635, "nodeType": "Return", "src": "3708:59:16" } ] }, "documentation": { "id": 3618, "nodeType": "StructuredDocumentation", "src": "3365:211:16", "text": " @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n `errorMessage` as a fallback revert reason when `target` reverts.\n _Available since v3.1._" }, "id": 3637, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3625, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3620, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3637, "src": "3603:14:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3619, "name": "address", "nodeType": "ElementaryTypeName", "src": "3603:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3622, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3637, "src": "3619:17:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3621, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3619:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3624, "mutability": "mutable", "name": "errorMessage", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3637, "src": "3638:26:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 3623, "name": "string", "nodeType": "ElementaryTypeName", "src": "3638:6:16", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "3602:63:16" }, "returnParameters": { "id": 3628, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3627, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3637, "src": "3684:12:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3626, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3684:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3683:14:16" }, "scope": 3790, "src": "3581:193:16", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 3656, "nodeType": "Block", "src": "4249:111:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3650, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3640, "src": "4288:6:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 3651, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3642, "src": "4296:4:16", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "id": 3652, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3644, "src": "4302:5:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c20776974682076616c7565206661696c6564", "id": 3653, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4309:43:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_88a4a0b5e975840320a0475d4027005235904fdb5ece94df156f3d717cb2dbfc", "typeString": "literal_string \"Address: low-level call with value failed\"" }, "value": "Address: low-level call with value failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_stringliteral_88a4a0b5e975840320a0475d4027005235904fdb5ece94df156f3d717cb2dbfc", "typeString": "literal_string \"Address: low-level call with value failed\"" } ], "id": 3649, "name": "functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [ 3657, 3707 ], "referencedDeclaration": 3707, "src": "4266:21:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_uint256_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,uint256,string memory) returns (bytes memory)" } }, "id": 3654, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4266:87:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 3648, "id": 3655, "nodeType": "Return", "src": "4259:94:16" } ] }, "documentation": { "id": 3638, "nodeType": "StructuredDocumentation", "src": "3780:351:16", "text": " @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n but also transferring `value` wei to `target`.\n Requirements:\n - the calling contract must have an ETH balance of at least `value`.\n - the called Solidity function must be `payable`.\n _Available since v3.1._" }, "id": 3657, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCallWithValue", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3645, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3640, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3657, "src": "4167:14:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3639, "name": "address", "nodeType": "ElementaryTypeName", "src": "4167:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3642, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3657, "src": "4183:17:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3641, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4183:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3644, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3657, "src": "4202:13:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3643, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4202:7:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4166:50:16" }, "returnParameters": { "id": 3648, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3647, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3657, "src": "4235:12:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3646, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4235:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "4234:14:16" }, "scope": 3790, "src": "4136:224:16", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 3706, "nodeType": "Block", "src": "4749:382:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 3678, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3674, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "4775:4:16", "typeDescriptions": { "typeIdentifier": "t_contract$_Address_$3790", "typeString": "library Address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Address_$3790", "typeString": "library Address" } ], "id": 3673, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4767:7:16", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 3672, "name": "address", "nodeType": "ElementaryTypeName", "src": "4767:7:16", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 3675, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4767:13:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 3676, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4767:21:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 3677, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3664, "src": "4792:5:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4767:30:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "416464726573733a20696e73756666696369656e742062616c616e636520666f722063616c6c", "id": 3679, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4799:40:16", 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"t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 3590, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "names": [ "value" ], "nodeType": "FunctionCallOptions", "options": [ { "argumentTypes": null, "id": 3589, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3571, "src": "2340:6:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "src": "2317:31:16", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$value", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 3592, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2317:35:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "2298:54:16" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3595, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3586, "src": "2370:7:16", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "416464726573733a20756e61626c6520746f2073656e642076616c75652c20726563697069656e74206d61792068617665207265766572746564", "id": 3596, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2379:60:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae", "typeString": "literal_string \"Address: unable to send value, recipient may have reverted\"" }, "value": "Address: unable to send value, recipient may have reverted" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae", "typeString": "literal_string \"Address: unable to send value, recipient may have reverted\"" } ], "id": 3594, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2362:7:16", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 3597, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2362:78:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3598, "nodeType": "ExpressionStatement", "src": "2362:78:16" } ] }, "documentation": { "id": 3567, "nodeType": "StructuredDocumentation", "src": "1145:906:16", "text": " @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n `recipient`, forwarding all available gas and reverting on errors.\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 https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\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]." }, "id": 3600, "implemented": true, "kind": "function", "modifiers": [], "name": "sendValue", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3572, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3569, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3600, "src": "2075:25:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 3568, "name": "address", "nodeType": "ElementaryTypeName", "src": "2075:15:16", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3571, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3600, "src": "2102:14:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3570, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2102:7:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2074:43:16" }, "returnParameters": { "id": 3573, "nodeType": "ParameterList", "parameters": [], "src": "2127:0:16" }, "scope": 3790, "src": "2056:391:16", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 3616, "nodeType": "Block", "src": "3277:82:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3611, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3603, "src": "3305:6:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 3612, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3605, "src": "3313:4:16", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c206661696c6564", "id": 3613, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3319:32:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_24d7ab5d382116e64324f19950ca9340b8af1ddeb09a8d026e0a3c6a01dcc9df", "typeString": "literal_string \"Address: low-level call failed\"" }, "value": "Address: low-level call failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_stringliteral_24d7ab5d382116e64324f19950ca9340b8af1ddeb09a8d026e0a3c6a01dcc9df", "typeString": "literal_string \"Address: low-level call failed\"" } ], "id": 3610, "name": "functionCall", "nodeType": "Identifier", "overloadedDeclarations": [ 3617, 3637 ], "referencedDeclaration": 3637, "src": "3292:12:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,string memory) returns (bytes memory)" } }, "id": 3614, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3292:60:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 3609, "id": 3615, "nodeType": "Return", "src": "3285:67:16" } ] }, "documentation": { "id": 3601, "nodeType": "StructuredDocumentation", "src": "2453:730:16", "text": " @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 If `target` reverts with a revert reason, it is bubbled up by this\n function (like regular Solidity function calls).\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 Requirements:\n - `target` must be a contract.\n - calling `target` with `data` must not revert.\n _Available since v3.1._" }, "id": 3617, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3606, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3603, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3617, "src": "3210:14:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3602, "name": "address", "nodeType": "ElementaryTypeName", "src": "3210:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3605, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3617, "src": "3226:17:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3604, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3226:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3209:35:16" }, "returnParameters": { "id": 3609, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3608, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3617, "src": "3263:12:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3607, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3263:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3262:14:16" }, "scope": 3790, "src": "3188:171:16", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 3636, "nodeType": "Block", "src": "3698:76:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3630, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3620, "src": "3737:6:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 3631, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3622, "src": "3745:4:16", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "hexValue": "30", "id": 3632, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3751:1:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "id": 3633, "name": "errorMessage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3624, "src": "3754:12:16", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 3629, "name": "functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [ 3657, 3707 ], "referencedDeclaration": 3707, "src": "3715:21:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_uint256_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,uint256,string memory) returns (bytes memory)" } }, "id": 3634, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3715:52:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 3628, "id": 3635, "nodeType": "Return", "src": "3708:59:16" } ] }, "documentation": { "id": 3618, "nodeType": "StructuredDocumentation", "src": "3365:211:16", "text": " @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n `errorMessage` as a fallback revert reason when `target` reverts.\n _Available since v3.1._" }, "id": 3637, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3625, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3620, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3637, "src": "3603:14:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3619, "name": "address", "nodeType": "ElementaryTypeName", "src": "3603:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3622, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3637, "src": "3619:17:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3621, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3619:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3624, "mutability": "mutable", "name": "errorMessage", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3637, "src": "3638:26:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 3623, "name": "string", "nodeType": "ElementaryTypeName", "src": "3638:6:16", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "3602:63:16" }, "returnParameters": { "id": 3628, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3627, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3637, "src": "3684:12:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3626, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3684:5:16", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3683:14:16" }, "scope": 3790, "src": "3581:193:16", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 3656, "nodeType": "Block", "src": "4249:111:16", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3650, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3640, "src": "4288:6:16", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 3651, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3642, "src": "4296:4:16", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "id": 3652, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3644, "src": "4302:5:16", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c20776974682076616c7565206661696c6564", "id": 3653, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4309:43:16", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_88a4a0b5e975840320a0475d4027005235904fdb5ece94df156f3d717cb2dbfc", "typeString": "literal_string \"Address: low-level call with value failed\"" }, "value": "Address: low-level call with value failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_stringliteral_88a4a0b5e975840320a0475d4027005235904fdb5ece94df156f3d717cb2dbfc", "typeString": "literal_string \"Address: low-level call with value failed\"" } ], "id": 3649, "name": "functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [ 3657, 3707 ], "referencedDeclaration": 3707, "src": "4266:21:16", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_uint256_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,uint256,string memory) returns (bytes memory)" } }, "id": 3654, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4266:87:16", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 3648, "id": 3655, "nodeType": "Return", "src": "4259:94:16" } ] }, "documentation": { "id": 3638, "nodeType": "StructuredDocumentation", "src": "3780:351:16", "text": " @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n but also transferring `value` wei to `target`.\n Requirements:\n - the calling contract must have an ETH balance of at least `value`.\n - the called Solidity function must be `payable`.\n _Available since v3.1._" }, "id": 3657, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCallWithValue", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 3645, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3640, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3657, "src": "4167:14:16", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3639, "name": "address", "nodeType": "ElementaryTypeName", "src": "4167:7:16", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3642, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 3657, "src": "4183:17:16", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 3641, "name": "bytes", 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