{ "fileName": "Ownable.sol", "contractName": "Ownable", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.7.0;\n\nimport \"../GSN/Context.sol\";\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\ncontract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor () {\n address msgSender = _msgSender();\n _owner = msgSender;\n emit OwnershipTransferred(address(0), msgSender);\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n require(_owner == _msgSender(), \"Ownable: caller is not the owner\");\n _;\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n emit OwnershipTransferred(_owner, address(0));\n _owner = address(0);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n emit OwnershipTransferred(_owner, newOwner);\n _owner = newOwner;\n }\n}\n", "sourcePath": "contracts/access/Ownable.sol", "sourceMap": "582:1634:7:-:0;;;831:150;;;;;;;;;;856:17;876:12;:10;;;:12;;:::i;:::-;856:32;;907:9;898:6;;:18;;;;;;;;;;;;;;;;;;964:9;931:43;;960:1;931:43;;;;;;;;;;;;831:150;582:1634;;590:104:0;643:15;677:10;670:17;;590:104;:::o;582:1634:7:-;;;;;;;", "deployedSourceMap": "582:1634:7:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1680:145;;;:::i;:::-;;1057:77;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;1974:240;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;1680:145;1271:12;:10;:12::i;:::-;1261:22;;:6;;;;;;;;;;:22;;;1253:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1786:1:::1;1749:40;;1770:6;::::0;::::1;;;;;;;;1749:40;;;;;;;;;;;;1816:1;1799:6:::0;::::1;:19;;;;;;;;;;;;;;;;;;1680:145::o:0;1057:77::-;1095:7;1121:6;;;;;;;;;;;1114:13;;1057:77;:::o;1974:240::-;1271:12;:10;:12::i;:::-;1261:22;;:6;;;;;;;;;;:22;;;1253:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2082:1:::1;2062:22;;:8;:22;;;;2054:73;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2171:8;2142:38;;2163:6;::::0;::::1;;;;;;;;2142:38;;;;;;;;;;;;2199:8;2190:6;::::0;:17:::1;;;;;;;;;;;;;;;;;;1974:240:::0;:::o;590:104:0:-;643:15;677:10;670:17;;590:104;:::o", "abi": [ { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "ast": { "absolutePath": "contracts/access/Ownable.sol", "exportedSymbols": { "Ownable": [ 1576 ] }, "id": 1577, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1469, "literals": [ "solidity", "^", "0.7", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:7" }, { "absolutePath": "contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 1470, "nodeType": "ImportDirective", "scope": 1577, "sourceUnit": 23, "src": "58:28:7", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 1472, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22, "src": "602:7:7", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$22", "typeString": "contract Context" } }, "id": 1473, "nodeType": "InheritanceSpecifier", "src": "602:7:7" } ], "contractDependencies": [ 22 ], "contractKind": "contract", "documentation": { "id": 1471, "nodeType": "StructuredDocumentation", "src": "87:494:7", "text": " @dev Contract module which provides a basic access control mechanism, where\n there is an account (an owner) that can be granted exclusive access to\n specific functions.\n By default, the owner account will be the one that deploys the contract. This\n can later be changed with {transferOwnership}.\n This module is used through inheritance. It will make available the modifier\n `onlyOwner`, which can be applied to your functions to restrict their use to\n the owner." }, "fullyImplemented": true, "id": 1576, "linearizedBaseContracts": [ 1576, 22 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 1475, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 1576, "src": "616:22:7", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1474, "name": "address", "nodeType": "ElementaryTypeName", "src": "616:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 1481, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 1480, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1477, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 1481, "src": "672:29:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1476, "name": "address", "nodeType": "ElementaryTypeName", "src": "672:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1479, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 1481, "src": "703:24:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1478, "name": "address", "nodeType": 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"898:6:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1491, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1486, "src": "907:9:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "898:18:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1493, "nodeType": "ExpressionStatement", "src": "898:18:7" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 1497, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "960:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], 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"text": " @dev Initializes the contract setting the deployer as the initial owner." }, "id": 1503, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 1483, "nodeType": "ParameterList", "parameters": [], "src": "843:2:7" }, "returnParameters": { "id": 1484, "nodeType": "ParameterList", "parameters": [], "src": "846:0:7" }, "scope": 1576, "src": "831:150:7", "stateMutability": "nonpayable", "virtual": false, "visibility": "public" }, { "body": { "id": 1511, "nodeType": "Block", "src": "1104:30:7", "statements": [ { "expression": { "argumentTypes": null, "id": 1509, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1475, "src": "1121:6:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 1508, "id": 1510, "nodeType": "Return", "src": "1114:13:7" } ] }, "documentation": { "id": 1504, "nodeType": "StructuredDocumentation", "src": "987:65:7", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 1512, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 1505, "nodeType": "ParameterList", "parameters": [], "src": "1071:2:7" }, "returnParameters": { "id": 1508, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1507, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 1512, "src": "1095:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1506, "name": "address", "nodeType": "ElementaryTypeName", "src": "1095:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1094:9:7" }, "scope": 1576, "src": "1057:77:7", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 1524, "nodeType": "Block", "src": "1243:95:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1519, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1516, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1475, "src": "1261:6:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 1517, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10, "src": "1271:10:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 1518, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1271:12:7", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1261:22:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 1520, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1285:34:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe", "typeString": "literal_string \"Ownable: caller is not the owner\"" }, "value": "Ownable: caller is not the owner" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe", "typeString": "literal_string \"Ownable: caller is not the owner\"" } ], "id": 1515, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1253:7:7", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1521, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1253:67:7", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1522, "nodeType": "ExpressionStatement", "src": "1253:67:7" }, { "id": 1523, "nodeType": "PlaceholderStatement", "src": "1330:1:7" } ] }, "documentation": { "id": 1513, "nodeType": "StructuredDocumentation", "src": "1140:77:7", "text": " @dev Throws if called by any account other than the owner." }, "id": 1525, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 1514, "nodeType": "ParameterList", "parameters": [], "src": "1240:2:7" }, "src": "1222:116:7", "virtual": false, "visibility": "internal" }, { "body": { "id": 1546, "nodeType": "Block", "src": "1734:91:7", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1532, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1475, "src": "1770:6:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 1535, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1786:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 1534, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1778:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 1533, "name": "address", "nodeType": "ElementaryTypeName", "src": "1778:7:7", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 1536, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1778:10:7", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 1531, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1481, "src": "1749:20:7", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 1537, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1749:40:7", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1538, "nodeType": "EmitStatement", "src": "1744:45:7" }, { "expression": { "argumentTypes": null, "id": 1544, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1539, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1475, "src": "1799:6:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 1542, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1816:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 1541, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1808:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 1540, "name": "address", "nodeType": "ElementaryTypeName", "src": "1808:7:7", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 1543, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1808:10:7", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1799:19:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1545, "nodeType": "ExpressionStatement", "src": "1799:19:7" } ] }, "documentation": { "id": 1526, "nodeType": "StructuredDocumentation", "src": "1344:331:7", "text": " @dev Leaves the contract without owner. It will not be possible to call\n `onlyOwner` functions anymore. Can only be called by the current owner.\n NOTE: Renouncing ownership will leave the contract without an owner,\n thereby removing any functionality that is only available to the owner." }, "functionSelector": "715018a6", "id": 1547, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 1529, "modifierName": { "argumentTypes": null, "id": 1528, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1525, "src": "1724:9:7", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1724:9:7" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 1527, "nodeType": "ParameterList", "parameters": [], "src": "1706:2:7" }, "returnParameters": { "id": 1530, "nodeType": "ParameterList", "parameters": [], "src": "1734:0:7" }, "scope": 1576, "src": "1680:145:7", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 1574, "nodeType": "Block", "src": "2044:170:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1561, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1556, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1550, "src": "2062:8:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 1559, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2082:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 1558, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2074:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 1557, "name": "address", "nodeType": "ElementaryTypeName", "src": "2074:7:7", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 1560, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2074:10:7", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2062:22:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 1562, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2086:40:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" }, "value": "Ownable: new owner is the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" } ], "id": 1555, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2054:7:7", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1563, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2054:73:7", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1564, "nodeType": "ExpressionStatement", "src": "2054:73:7" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1566, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1475, "src": "2163:6:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1567, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1550, "src": "2171:8:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 1565, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1481, "src": "2142:20:7", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 1568, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2142:38:7", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1569, "nodeType": "EmitStatement", "src": "2137:43:7" }, { "expression": { "argumentTypes": null, "id": 1572, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1570, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1475, "src": "2190:6:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1571, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1550, "src": "2199:8:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2190:17:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1573, "nodeType": "ExpressionStatement", "src": "2190:17:7" } ] }, "documentation": { "id": 1548, "nodeType": "StructuredDocumentation", "src": "1831:138:7", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 1575, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 1553, "modifierName": { "argumentTypes": null, "id": 1552, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1525, "src": "2034:9:7", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2034:9:7" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 1551, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1550, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 1575, "src": "2001:16:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1549, "name": "address", "nodeType": "ElementaryTypeName", "src": "2001:7:7", 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