@etherisc/registry-contracts

{ "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": { "23": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.8.2/contracts/utils/Context.sol", "6": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.8.2/contracts/access/Ownable.sol" }, "ast": { "absolutePath": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.8.2/contracts/access/Ownable.sol", "exportedSymbols": { "Context": [ 16878 ], "Ownable": [ 12623 ] }, "id": 12624, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 12512, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "102:23:6" }, { "absolutePath": "/home/vscode/.brownie/packages/OpenZeppelin/openzeppelin-contracts@4.8.2/contracts/utils/Context.sol", "file": "../utils/Context.sol", "id": 12513, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 12624, "sourceUnit": 16879, "src": "127:30:6", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 12515, "name": "Context", "nameLocations": [ "683:7:6" ], "nodeType": "IdentifierPath", "referencedDeclaration": 16878, "src": "683:7:6" }, "id": 12516, "nodeType": "InheritanceSpecifier", "src": "683:7:6" } ], "canonicalName": "Ownable", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 12514, "nodeType": "StructuredDocumentation", "src": "159:494:6", "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": 12623, "linearizedBaseContracts": [ 12623, 16878 ], "name": "Ownable", "nameLocation": "672:7:6", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 12518, "mutability": "mutable", "name": "_owner", "nameLocation": "713:6:6", "nodeType": "VariableDeclaration", "scope": 12623, "src": "697:22:6", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12517, "name": "address", "nodeType": "ElementaryTypeName", "src": "697:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "private" }, { "anonymous": false, "eventSelector": "8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0", "id": 12524, "name": "OwnershipTransferred", "nameLocation": "732:20:6", "nodeType": "EventDefinition", "parameters": { "id": 12523, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12520, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nameLocation": "769:13:6", "nodeType": "VariableDeclaration", "scope": 12524, "src": "753:29:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12519, "name": "address", "nodeType": "ElementaryTypeName", "src": "753:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 12522, "indexed": true, "mutability": "mutable", "name": "newOwner", "nameLocation": "800:8:6", "nodeType": "VariableDeclaration", "scope": 12524, "src": "784:24:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12521, "name": "address", "nodeType": "ElementaryTypeName", "src": "784:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "752:57:6" }, "src": "726:84:6" }, { "body": { "id": 12533, "nodeType": "Block", "src": "926:49:6", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 12529, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16868, "src": "955:10:6", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 12530, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "955:12:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12528, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12622, "src": "936:18:6", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 12531, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "936:32:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12532, "nodeType": "ExpressionStatement", "src": "936:32:6" } ] }, "documentation": { "id": 12525, "nodeType": "StructuredDocumentation", "src": "816:91:6", "text": " @dev Initializes the contract setting the deployer as the initial owner." }, "id": 12534, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nameLocation": "-1:-1:-1", "nodeType": "FunctionDefinition", "parameters": { "id": 12526, "nodeType": "ParameterList", "parameters": [], "src": "923:2:6" }, "returnParameters": { "id": 12527, "nodeType": "ParameterList", "parameters": [], "src": "926:0:6" }, "scope": 12623, "src": "912:63:6", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 12541, "nodeType": "Block", "src": "1084:41:6", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 12537, "name": "_checkOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12565, "src": "1094:11:6", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$__$", "typeString": "function () view" } }, "id": 12538, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1094:13:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12539, "nodeType": "ExpressionStatement", "src": "1094:13:6" }, { "id": 12540, "nodeType": "PlaceholderStatement", "src": "1117:1:6" } ] }, "documentation": { "id": 12535, "nodeType": "StructuredDocumentation", "src": "981:77:6", "text": " @dev Throws if called by any account other than the owner." }, "id": 12542, "name": "onlyOwner", "nameLocation": "1072:9:6", "nodeType": "ModifierDefinition", "parameters": { "id": 12536, "nodeType": "ParameterList", "parameters": [], "src": "1081:2:6" }, "src": "1063:62:6", "virtual": false, "visibility": "internal" }, { "body": { "id": 12550, "nodeType": "Block", "src": "1256:30:6", "statements": [ { "expression": { "id": 12548, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12518, "src": "1273:6:6", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 12547, "id": 12549, "nodeType": "Return", "src": "1266:13:6" } ] }, "documentation": { "id": 12543, "nodeType": "StructuredDocumentation", "src": "1131:65:6", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 12551, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nameLocation": "1210:5:6", "nodeType": "FunctionDefinition", "parameters": { "id": 12544, "nodeType": "ParameterList", "parameters": [], "src": "1215:2:6" }, "returnParameters": { "id": 12547, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12546, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 12551, "src": "1247:7:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12545, "name": "address", "nodeType": "ElementaryTypeName", "src": "1247:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "1246:9:6" }, "scope": 12623, "src": "1201:85:6", "stateMutability": "view", "virtual": true, "visibility": "public" }, { "body": { "id": 12564, "nodeType": "Block", "src": "1404:85:6", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 12560, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 12556, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12551, "src": "1422:5:6", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 12557, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1422:7:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "arguments": [], "expression": { "argumentTypes": [], "id": 12558, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 16868, "src": "1433:10:6", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 12559, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1433:12:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1422:23:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 12561, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1447:34:6", "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": 12555, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1414:7:6", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 12562, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1414:68:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12563, "nodeType": "ExpressionStatement", "src": "1414:68:6" } ] }, "documentation": { "id": 12552, "nodeType": "StructuredDocumentation", "src": "1292:62:6", "text": " @dev Throws if the sender is not the owner." }, "id": 12565, "implemented": true, "kind": "function", "modifiers": [], "name": "_checkOwner", "nameLocation": "1368:11:6", "nodeType": "FunctionDefinition", "parameters": { "id": 12553, "nodeType": "ParameterList", "parameters": [], "src": "1379:2:6" }, "returnParameters": { "id": 12554, "nodeType": "ParameterList", "parameters": [], "src": "1404:0:6" }, "scope": 12623, "src": "1359:130:6", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 12578, "nodeType": "Block", "src": "1885:47:6", "statements": [ { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 12574, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1922:1:6", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 12573, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1914:7:6", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 12572, "name": "address", "nodeType": "ElementaryTypeName", "src": "1914:7:6", "typeDescriptions": {} } }, "id": 12575, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1914:10:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12571, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12622, "src": "1895:18:6", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 12576, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1895:30:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12577, "nodeType": "ExpressionStatement", "src": "1895:30:6" } ] }, "documentation": { "id": 12566, "nodeType": "StructuredDocumentation", "src": "1495:331:6", "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": 12579, "implemented": true, "kind": "function", "modifiers": [ { "id": 12569, "kind": "modifierInvocation", "modifierName": { "id": 12568, "name": "onlyOwner", "nameLocations": [ "1875:9:6" ], "nodeType": "IdentifierPath", "referencedDeclaration": 12542, "src": "1875:9:6" }, "nodeType": "ModifierInvocation", "src": "1875:9:6" } ], "name": "renounceOwnership", "nameLocation": "1840:17:6", "nodeType": "FunctionDefinition", "parameters": { "id": 12567, "nodeType": "ParameterList", "parameters": [], "src": "1857:2:6" }, "returnParameters": { "id": 12570, "nodeType": "ParameterList", "parameters": [], "src": "1885:0:6" }, "scope": 12623, "src": "1831:101:6", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 12601, "nodeType": "Block", "src": "2151:128:6", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 12593, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 12588, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12582, "src": "2169:8:6", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 12591, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2189:1:6", "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": 12590, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2181:7:6", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 12589, "name": "address", "nodeType": "ElementaryTypeName", "src": "2181:7:6", "typeDescriptions": {} } }, "id": 12592, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2181:10:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2169:22:6", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 12594, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2193:40:6", "typeDescriptions": { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" }, "value": "Ownable: new owner is the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" } ], "id": 12587, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2161:7:6", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 12595, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2161:73:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12596, "nodeType": "ExpressionStatement", "src": "2161:73:6" }, { "expression": { "arguments": [ { "id": 12598, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12582, "src": "2263:8:6", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 12597, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12622, "src": "2244:18:6", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 12599, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "2244:28:6", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 12600, "nodeType": "ExpressionStatement", "src": "2244:28:6" } ] }, "documentation": { "id": 12580, "nodeType": "StructuredDocumentation", "src": "1938:138:6", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 12602, "implemented": true, "kind": "function", "modifiers": [ { "id": 12585, "kind": "modifierInvocation", "modifierName": { "id": 12584, "name": "onlyOwner", "nameLocations": [ "2141:9:6" ], "nodeType": "IdentifierPath", "referencedDeclaration": 12542, "src": "2141:9:6" }, "nodeType": "ModifierInvocation", "src": "2141:9:6" } ], "name": "transferOwnership", "nameLocation": "2090:17:6", "nodeType": "FunctionDefinition", "parameters": { "id": 12583, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 12582, "mutability": "mutable", "name": "newOwner", "nameLocation": "2116:8:6", "nodeType": "VariableDeclaration", "scope": 12602, "src": "2108:16:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12581, "name": "address", "nodeType": "ElementaryTypeName", "src": "2108:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "2107:18:6" }, "returnParameters": { "id": 12586, "nodeType": "ParameterList", "parameters": [], "src": "2151:0:6" }, "scope": 12623, "src": "2081:198:6", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 12621, "nodeType": "Block", "src": "2496:124:6", "statements": [ { "assignments": [ 12609 ], "declarations": [ { "constant": false, "id": 12609, "mutability": "mutable", "name": "oldOwner", "nameLocation": "2514:8:6", "nodeType": "VariableDeclaration", "scope": 12621, "src": "2506:16:6", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12608, "name": "address", "nodeType": "ElementaryTypeName", "src": "2506:7:6", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 12611, "initialValue": { "id": 12610, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12518, "src": "2525:6:6", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "2506:25:6" }, { "expression": { "id": 12614, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 12612, "name": 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