UNPKG

@etherisc/gif-contracts

Version:

This repository holds the GIF core contracts and tools to develop, test and deploy GIF instances.

1,305 lines (1,304 loc) 56.6 kB
{ "abi": [ { "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" } ], "allSourcePaths": { "22": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/utils/Context.sol", "4": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/access/Ownable.sol" }, "ast": { "absolutePath": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/access/Ownable.sol", "exportedSymbols": { "Context": [ 24074 ], "Ownable": [ 20950 ] }, "id": 20951, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 20839, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "102:23:4" }, { "absolutePath": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.7.3/contracts/utils/Context.sol", "file": "../utils/Context.sol", "id": 20840, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 20951, "sourceUnit": 24075, "src": "127:30:4", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 20842, "name": "Context", "nodeType": "IdentifierPath", "referencedDeclaration": 24074, "src": "683:7:4" }, "id": 20843, "nodeType": "InheritanceSpecifier", "src": "683:7:4" } ], "contractDependencies": [ 24074 ], "contractKind": "contract", "documentation": { "id": 20841, "nodeType": "StructuredDocumentation", "src": "159:494:4", "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": 20950, "linearizedBaseContracts": [ 20950, 24074 ], "name": "Ownable", "nameLocation": "672:7:4", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 20845, "mutability": "mutable", "name": "_owner", "nameLocation": "713:6:4", "nodeType": "VariableDeclaration", "scope": 20950, "src": "697:22:4", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20844, "name": "address", "nodeType": "ElementaryTypeName", "src": "697:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "private" }, { "anonymous": false, "id": 20851, "name": "OwnershipTransferred", "nameLocation": "732:20:4", "nodeType": "EventDefinition", "parameters": { "id": 20850, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20847, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nameLocation": "769:13:4", "nodeType": "VariableDeclaration", "scope": 20851, "src": "753:29:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20846, "name": "address", "nodeType": "ElementaryTypeName", "src": "753:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20849, "indexed": true, "mutability": "mutable", "name": "newOwner", "nameLocation": "800:8:4", "nodeType": "VariableDeclaration", "scope": 20851, "src": "784:24:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20848, "name": "address", "nodeType": "ElementaryTypeName", "src": "784:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "752:57:4" }, "src": "726:84:4" }, { "body": { "id": 20860, "nodeType": "Block", "src": "926:49:4", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 20856, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24064, "src": "955:10:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 20857, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "955:12:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 20855, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20949, "src": "936:18:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 20858, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "936:32:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20859, "nodeType": "ExpressionStatement", "src": "936:32:4" } ] }, "documentation": { "id": 20852, "nodeType": "StructuredDocumentation", "src": "816:91:4", "text": " @dev Initializes the contract setting the deployer as the initial owner." }, "id": 20861, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nameLocation": "-1:-1:-1", "nodeType": "FunctionDefinition", "parameters": { "id": 20853, "nodeType": "ParameterList", "parameters": [], "src": "923:2:4" }, "returnParameters": { "id": 20854, "nodeType": "ParameterList", "parameters": [], "src": "926:0:4" }, "scope": 20950, "src": "912:63:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 20868, "nodeType": "Block", "src": "1084:41:4", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 20864, "name": "_checkOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20892, "src": "1094:11:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$__$", "typeString": "function () view" } }, "id": 20865, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1094:13:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20866, "nodeType": "ExpressionStatement", "src": "1094:13:4" }, { "id": 20867, "nodeType": "PlaceholderStatement", "src": "1117:1:4" } ] }, "documentation": { "id": 20862, "nodeType": "StructuredDocumentation", "src": "981:77:4", "text": " @dev Throws if called by any account other than the owner." }, "id": 20869, "name": "onlyOwner", "nameLocation": "1072:9:4", "nodeType": "ModifierDefinition", "parameters": { "id": 20863, "nodeType": "ParameterList", "parameters": [], "src": "1081:2:4" }, "src": "1063:62:4", "virtual": false, "visibility": "internal" }, { "body": { "id": 20877, "nodeType": "Block", "src": "1256:30:4", "statements": [ { "expression": { "id": 20875, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20845, "src": "1273:6:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 20874, "id": 20876, "nodeType": "Return", "src": "1266:13:4" } ] }, "documentation": { "id": 20870, "nodeType": "StructuredDocumentation", "src": "1131:65:4", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 20878, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nameLocation": "1210:5:4", "nodeType": "FunctionDefinition", "parameters": { "id": 20871, "nodeType": "ParameterList", "parameters": [], "src": "1215:2:4" }, "returnParameters": { "id": 20874, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20873, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 20878, "src": "1247:7:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20872, "name": "address", "nodeType": "ElementaryTypeName", "src": "1247:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1246:9:4" }, "scope": 20950, "src": "1201:85:4", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "body": { "id": 20891, "nodeType": "Block", "src": "1404:85:4", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20887, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 20883, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20878, "src": "1422:5:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 20884, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1422:7:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 20885, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 24064, "src": "1433:10:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 20886, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1433:12:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1422:23:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 20888, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1447:34:4", "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": 20882, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1414:7:4", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20889, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1414:68:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20890, "nodeType": "ExpressionStatement", "src": "1414:68:4" } ] }, "documentation": { "id": 20879, "nodeType": "StructuredDocumentation", "src": "1292:62:4", "text": " @dev Throws if the sender is not the owner." }, "id": 20892, "implemented": true, "kind": "function", "modifiers": [], "name": "_checkOwner", "nameLocation": "1368:11:4", "nodeType": "FunctionDefinition", "parameters": { "id": 20880, "nodeType": "ParameterList", "parameters": [], "src": "1379:2:4" }, "returnParameters": { "id": 20881, "nodeType": "ParameterList", "parameters": [], "src": "1404:0:4" }, "scope": 20950, "src": "1359:130:4", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 20905, "nodeType": "Block", "src": "1885:47:4", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 20901, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1922:1:4", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20900, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1914:7:4", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20899, "name": "address", "nodeType": "ElementaryTypeName", "src": "1914:7:4", "typeDescriptions": {} } }, "id": 20902, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1914:10:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 20898, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20949, "src": "1895:18:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 20903, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1895:30:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20904, "nodeType": "ExpressionStatement", "src": "1895:30:4" } ] }, "documentation": { "id": 20893, "nodeType": "StructuredDocumentation", "src": "1495:331:4", "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": 20906, "implemented": true, "kind": "function", "modifiers": [ { "id": 20896, "modifierName": { "id": 20895, "name": "onlyOwner", "nodeType": "IdentifierPath", "referencedDeclaration": 20869, "src": "1875:9:4" }, "nodeType": "ModifierInvocation", "src": "1875:9:4" } ], "name": "renounceOwnership", "nameLocation": "1840:17:4", "nodeType": "FunctionDefinition", "parameters": { "id": 20894, "nodeType": "ParameterList", "parameters": [], "src": "1857:2:4" }, "returnParameters": { "id": 20897, "nodeType": "ParameterList", "parameters": [], "src": "1885:0:4" }, "scope": 20950, "src": "1831:101:4", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 20928, "nodeType": "Block", "src": "2151:128:4", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20920, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 20915, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20909, "src": "2169:8:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 20918, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2189:1:4", "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": 20917, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2181:7:4", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20916, "name": "address", "nodeType": "ElementaryTypeName", "src": "2181:7:4", "typeDescriptions": {} } }, "id": 20919, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2181:10:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2169:22:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 20921, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2193:40:4", "typeDescriptions": { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" }, "value": "Ownable: new owner is the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" } ], "id": 20914, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2161:7:4", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20922, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2161:73:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20923, "nodeType": "ExpressionStatement", "src": "2161:73:4" }, { "expression": { "arguments": [ { "id": 20925, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20909, "src": "2263:8:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 20924, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20949, "src": "2244:18:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 20926, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2244:28:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20927, "nodeType": "ExpressionStatement", "src": "2244:28:4" } ] }, "documentation": { "id": 20907, "nodeType": "StructuredDocumentation", "src": "1938:138:4", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 20929, "implemented": true, "kind": "function", "modifiers": [ { "id": 20912, "modifierName": { "id": 20911, "name": "onlyOwner", "nodeType": "IdentifierPath", "referencedDeclaration": 20869, "src": "2141:9:4" }, "nodeType": "ModifierInvocation", "src": "2141:9:4" } ], "name": "transferOwnership", "nameLocation": "2090:17:4", "nodeType": "FunctionDefinition", "parameters": { "id": 20910, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20909, "mutability": "mutable", "name": "newOwner", "nameLocation": "2116:8:4", "nodeType": "VariableDeclaration", "scope": 20929, "src": "2108:16:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20908, "name": "address", "nodeType": "ElementaryTypeName", "src": "2108:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "2107:18:4" }, "returnParameters": { "id": 20913, "nodeType": "ParameterList", "parameters": [], "src": "2151:0:4" }, "scope": 20950, "src": "2081:198:4", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 20948, "nodeType": "Block", "src": "2496:124:4", "statements": [ { "assignments": [ 20936 ], "declarations": [ { "constant": false, "id": 20936, "mutability": "mutable", "name": "oldOwner", "nameLocation": "2514:8:4", "nodeType": "VariableDeclaration", "scope": 20948, "src": "2506:16:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20935, "name": "address", "nodeType": "ElementaryTypeName", "src": "2506:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 20938, "initialValue": { "id": 20937, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20845, "src": "2525:6:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "2506:25:4" }, { "expression": { "id": 20941, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 20939, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20845, "src": "2541:6:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 20940, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20932, "src": "2550:8:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2541:17:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 20942, "nodeType": "ExpressionStatement", "src": "2541:17:4" }, { "eventCall": { "arguments": [ { "id": 20944, "name": "oldOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20936, "src": "2594:8:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20945, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20932, "src": "2604:8:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 20943, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20851, "src": "2573:20:4", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 20946, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2573:40:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20947, "nodeType": "EmitStatement", "src": "2568:45:4" } ] }, "documentation": { "id": 20930, "nodeType": "StructuredDocumentation", "src": "2285:143:4", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Internal function without access restriction." }, "id": 20949, "implemented": true, "kind": "function", "modifiers": [], "name": "_transferOwnership", "nameLocation": "2442:18:4",