{ "contractName": "Address", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.7.6+commit.7338295f\"},\"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\":1000000},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0xa6a15ddddcbf29d2922a1e0d4151b5d2d33da24b93cc9ebc12390e0d855532f8\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7c119bcaecfa853d564ac88d312777f75fa1126a3bca88a3371adb0ad9f35cb0\",\"dweb:/ipfs/QmY9UPuXeSKq86Zh38fE43VGQPhKMN34mkuFSFqPcr6nvZ\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220264b8a08c3499e715dd5d12ff20a404cc7582150b3707fb8bcc895ca5782032764736f6c63430007060033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea2646970667358221220264b8a08c3499e715dd5d12ff20a404cc7582150b3707fb8bcc895ca5782032764736f6c63430007060033", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "134:6704:34:-:0;;;;;;;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": "134:6704:34:-: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": [ 6821 ] }, "id": 6822, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 6579, "literals": [ "solidity", ">=", "0.6", ".2", "<", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:31:34" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": { "id": 6580, "nodeType": "StructuredDocumentation", "src": "66:67:34", "text": " @dev Collection of functions related to the address type" }, "fullyImplemented": true, "id": 6821, "linearizedBaseContracts": [ 6821 ], "name": "Address", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 6596, "nodeType": "Block", "src": "792:347:34", "statements": [ { "assignments": [ 6589 ], "declarations": [ { "constant": false, "id": 6589, "mutability": "mutable", "name": "size", "nodeType": "VariableDeclaration", "scope": 6596, "src": "989:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6588, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "989:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", 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"uint256" }, "id": 6594, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 6592, "name": "size", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6589, "src": "1124:4:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "hexValue": "30", "id": 6593, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1131:1:34", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1124:8:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6587, "id": 6595, "nodeType": "Return", "src": "1117:15:34" } ] }, "documentation": { "id": 6581, "nodeType": "StructuredDocumentation", "src": "156:565:34", "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": 6597, "implemented": true, "kind": "function", "modifiers": [], "name": "isContract", "nodeType": "FunctionDefinition", "parameters": { "id": 6584, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6583, "mutability": "mutable", "name": "account", "nodeType": "VariableDeclaration", "scope": 6597, "src": "746:15:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6582, "name": "address", "nodeType": "ElementaryTypeName", "src": "746:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "745:17:34" }, "returnParameters": { "id": 6587, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6586, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 6597, "src": "786:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6585, "name": "bool", "nodeType": "ElementaryTypeName", "src": "786:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "785:6:34" }, "scope": 6821, "src": "726:413:34", "stateMutability": "view", "virtual": false, "visibility": "internal" }, { "body": { "id": 6630, "nodeType": "Block", "src": "2127:320:34", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6612, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "arguments": [ { "id": 6608, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967268, "src": "2153:4:34", "typeDescriptions": { "typeIdentifier": "t_contract$_Address_$6821", "typeString": "library Address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Address_$6821", "typeString": "library Address" } ], "id": 6607, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2145:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 6606, "name": "address", "nodeType": "ElementaryTypeName", "src": "2145:7:34", "typeDescriptions": {} } }, "id": 6609, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2145:13:34", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 6610, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "src": "2145:21:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "id": 6611, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6602, "src": "2170:6:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2145:31:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "416464726573733a20696e73756666696369656e742062616c616e6365", "id": 6613, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2178:31:34", "typeDescriptions": { "typeIdentifier": "t_stringliteral_5597a22abd0ef5332f8053862eb236db7590f17e2b93a53f63a103becfb561f9", "typeString": "literal_string \"Address: insufficient balance\"" }, "value": "Address: insufficient balance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_5597a22abd0ef5332f8053862eb236db7590f17e2b93a53f63a103becfb561f9", "typeString": "literal_string \"Address: insufficient balance\"" } ], "id": 6605, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2137:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6614, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2137:73:34", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6615, "nodeType": "ExpressionStatement", "src": "2137:73:34" }, { "assignments": [ 6617, null ], "declarations": [ { "constant": false, "id": 6617, "mutability": "mutable", "name": "success", "nodeType": "VariableDeclaration", "scope": 6630, "src": "2299:12:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6616, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2299:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, null ], "id": 6624, "initialValue": { "arguments": [ { "hexValue": "", "id": 6622, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2349:2:34", "typeDescriptions": { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" }, "value": "" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" } ], "expression": { "id": 6618, "name": "recipient", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6600, "src": "2317:9:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "id": 6619, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "call", "nodeType": "MemberAccess", "src": "2317:14:34", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 6621, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "names": [ "value" ], "nodeType": "FunctionCallOptions", "options": [ { "id": 6620, "name": "amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6602, "src": "2340:6:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "src": "2317:31:34", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$value", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 6623, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2317:35:34", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "2298:54:34" }, { "expression": { "arguments": [ { "id": 6626, "name": "success", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6617, "src": "2370:7:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "416464726573733a20756e61626c6520746f2073656e642076616c75652c20726563697069656e74206d61792068617665207265766572746564", "id": 6627, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2379:60:34", "typeDescriptions": { "typeIdentifier": "t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae", "typeString": "literal_string \"Address: unable to send value, recipient may have reverted\"" }, "value": "Address: unable to send value, recipient may have reverted" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae", "typeString": "literal_string \"Address: unable to send value, recipient may have reverted\"" } ], "id": 6625, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "2362:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6628, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2362:78:34", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6629, "nodeType": "ExpressionStatement", "src": "2362:78:34" } ] }, "documentation": { "id": 6598, "nodeType": "StructuredDocumentation", "src": "1145:906:34", "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": 6631, "implemented": true, "kind": "function", "modifiers": [], "name": "sendValue", "nodeType": "FunctionDefinition", "parameters": { "id": 6603, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6600, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "scope": 6631, "src": "2075:25:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 6599, "name": "address", "nodeType": "ElementaryTypeName", "src": "2075:15:34", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "visibility": "internal" }, { "constant": false, "id": 6602, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "scope": 6631, "src": "2102:14:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6601, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2102:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "2074:43:34" }, "returnParameters": { "id": 6604, "nodeType": "ParameterList", "parameters": [], "src": "2127:0:34" }, "scope": 6821, "src": "2056:391:34", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 6647, "nodeType": "Block", "src": "3277:82:34", "statements": [ { "expression": { "arguments": [ { "id": 6642, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6634, "src": "3305:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 6643, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6636, "src": "3313:4:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c206661696c6564", "id": 6644, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3319:32:34", "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": 6641, "name": "functionCall", "nodeType": "Identifier", "overloadedDeclarations": [ 6648, 6668 ], "referencedDeclaration": 6668, "src": "3292:12:34", "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": 6645, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3292:60:34", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 6640, "id": 6646, "nodeType": "Return", "src": "3285:67:34" } ] }, "documentation": { "id": 6632, "nodeType": "StructuredDocumentation", "src": "2453:730:34", "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": 6648, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "nodeType": "FunctionDefinition", "parameters": { "id": 6637, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6634, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "scope": 6648, "src": "3210:14:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6633, "name": "address", "nodeType": "ElementaryTypeName", "src": "3210:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 6636, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "scope": 6648, "src": "3226:17:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6635, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3226:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "3209:35:34" }, "returnParameters": { "id": 6640, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6639, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 6648, "src": "3263:12:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6638, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3263:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "3262:14:34" }, "scope": 6821, "src": "3188:171:34", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 6667, "nodeType": "Block", "src": "3698:76:34", "statements": [ { "expression": { "arguments": [ { "id": 6661, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6651, "src": "3737:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 6662, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6653, "src": "3745:4:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "hexValue": "30", "id": 6663, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3751:1:34", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "id": 6664, "name": "errorMessage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6655, "src": "3754:12:34", "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": 6660, "name": "functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [ 6688, 6738 ], "referencedDeclaration": 6738, "src": "3715:21:34", "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": 6665, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3715:52:34", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 6659, "id": 6666, "nodeType": "Return", "src": "3708:59:34" } ] }, "documentation": { "id": 6649, "nodeType": "StructuredDocumentation", "src": "3365:211:34", "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": 6668, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "nodeType": "FunctionDefinition", "parameters": { "id": 6656, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6651, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "scope": 6668, "src": "3603:14:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6650, "name": "address", "nodeType": "ElementaryTypeName", "src": "3603:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 6653, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "scope": 6668, "src": "3619:17:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6652, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3619:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 6655, "mutability": "mutable", "name": "errorMessage", "nodeType": "VariableDeclaration", "scope": 6668, "src": "3638:26:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 6654, "name": "string", "nodeType": "ElementaryTypeName", "src": "3638:6:34", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" } ], "src": "3602:63:34" }, "returnParameters": { "id": 6659, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6658, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 6668, "src": "3684:12:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6657, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3684:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "3683:14:34" }, "scope": 6821, "src": "3581:193:34", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 6687, "nodeType": "Block", "src": "4249:111:34", "statements": [ { "expression": { "arguments": [ { "id": 6681, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6671, "src": "4288:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 6682, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6673, "src": "4296:4:34", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "id": 6683, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6675, "src": "4302:5:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c20776974682076616c7565206661696c6564", "id": 6684, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4309:43:34", "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": 6680, "name": "functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [ 6688, 6738 ], "referencedDeclaration": 6738, "src": "4266:21:34", "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": 6685, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4266:87:34", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 6679, "id": 6686, "nodeType": "Return", "src": "4259:94:34" } ] }, "documentation": { "id": 6669, "nodeType": "StructuredDocumentation", "src": "3780:351:34", "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": 6688, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCallWithValue", "nodeType": "FunctionDefinition", "parameters": { "id": 6676, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6671, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "scope": 6688, "src": "4167:14:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6670, "name": "address", "nodeType": "ElementaryTypeName", "src": "4167:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 6673, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "scope": 6688, "src": "4183:17:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6672, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4183:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" }, { "constant": false, "id": 6675, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "scope": 6688, "src": "4202:13:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6674, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4202:7:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "4166:50:34" }, "returnParameters": { "id": 6679, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6678, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 6688, "src": "4235:12:34", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6677, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4235:5:34", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "4234:14:34" }, "scope": 6821, "src": "4136:224:34", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 6737, "nodeType": "Block", "src": "4749:382:34", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6709, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "arguments": [ { "id": 6705, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967268, "src": "4775:4:34", "typeDescriptions": { "typeIdentifier": "t_contract$_Address_$6821", "typeString": "library Address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Address_$6821", "typeString": "library Address" } ], "id": 6704, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4767:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 6703, "name": "address", "nodeType": "ElementaryTypeName", "src": "4767:7:34", "typeDescriptions": {} } }, "id": 6706, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4767:13:34", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 6707, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "src": "4767:21:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "id": 6708, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6695, "src": "4792:5:34", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4767:30:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "416464726573733a20696e73756666696369656e742062616c616e636520666f722063616c6c", "id": 6710, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4799:40:34", "typeDescriptions": { "typeIdentifier": "t_stringliteral_565f1a77334fc4792800921178c71e4521acffab18ff9e7885b49377ee80ab4c", "typeString": "literal_string \"Address: insufficient balance for call\"" }, "value": "Address: insufficient balance for call" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_565f1a77334fc4792800921178c71e4521acffab18ff9e7885b49377ee80ab4c", "typeString": "literal_string \"Address: insufficient balance for call\"" } ], "id": 6702, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "4759:7:34", "typeDescriptions": { "typeIdentifier": 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