{ "contractName": "CreateAndAddExtension", "abi": [ { "constant": false, "inputs": [ { "name": "extension", "type": "address" } ], "name": "addExtension", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "proxyFactory", "type": "address" }, { "name": "data", "type": "bytes" } ], "name": "createAndAddExtension", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": "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", "deployedBytecode": "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", "sourceMap": "199:1057:8:-;;;;;;;;;;;;;;;;;", "deployedSourceMap": "199:1057:8:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;364:87;;;;;;;;;;;;;;;;;;;;;;;;;;;;638:196;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;364:87;436:8;;;638:196;732:19;754:35;770:12;784:4;754:15;:35::i;:::-;732:57;;799:4;:17;;;817:9;799:28;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;638:196;;;:::o;840:414::-;933:19;1011:4;1005:5;1109:4;1101:6;1094:4;1088:5;1081:4;1075;1071:3;1057:12;1053:1;1049:3;1036:12;1132:1;1127:23;;;;1029:121;;1127:23;1146:1;1143;1136:6;1029:121;;1195:42;1186:6;1180:5;1176:3;1163:75;;977:271;;;;;:::o", "source": "pragma solidity 0.4.19;\nimport \"../Extension.sol\";\n\n\n/// @title Create and Add Extension - Allows to create and add a new extension in one transaction.\n/// @author Stefan George - \ncontract CreateAndAddExtension {\n\n /// @dev Function required to compile contract. Gnosis Safe function is called instead.\n /// @param extension Not used.\n function addExtension(Extension extension)\n public\n {\n revert();\n }\n\n /// @dev Allows to create and add a new extension in one transaction.\n /// @param proxyFactory Extension factory contract.\n /// @param data Extension constructor payload.\n function createAndAddExtension(address proxyFactory, bytes data)\n public\n {\n Extension extension = createExtension(proxyFactory, data);\n this.addExtension(extension);\n }\n\n function createExtension(address proxyFactory, bytes data)\n internal\n returns (Extension extension)\n {\n assembly {\n let output := mload(0x40)\n switch delegatecall(not(0), proxyFactory, add(data, 0x20), mload(data), output, 0x20)\n case 0 { revert(0, 0) }\n extension := and(mload(output), 0xffffffffffffffffffffffffffffffffffffffff)\n }\n }\n}\n", "sourcePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/libraries/CreateAndAddExtension.sol", "ast": { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/libraries/CreateAndAddExtension.sol", "exportedSymbols": { "CreateAndAddExtension": [ 2006 ] }, "id": 2007, "nodeType": "SourceUnit", "nodes": [ { "id": 1963, "literals": [ "solidity", "0.4", ".19" ], "nodeType": "PragmaDirective", "src": "0:23:8" }, { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/Extension.sol", "file": "../Extension.sol", "id": 1964, "nodeType": "ImportDirective", "scope": 2007, "sourceUnit": 19, "src": "24:26:8", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Create and Add Extension - Allows to create and add a new extension in one transaction.\n @author Stefan George - ", "fullyImplemented": true, "id": 2006, "linearizedBaseContracts": [ 2006 ], "name": "CreateAndAddExtension", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 1972, "nodeType": "Block", "src": "426:25:8", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 1969, "name": "revert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2093, "src": "436:6:8", "typeDescriptions": { "typeIdentifier": "t_function_revert_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 1970, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "436:8:8", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1971, "nodeType": "ExpressionStatement", "src": "436:8:8" } ] }, "id": 1973, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "addExtension", "nodeType": "FunctionDefinition", "parameters": { "id": 1967, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1966, "name": "extension", "nodeType": "VariableDeclaration", "scope": 1973, "src": "386:19:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" }, "typeName": { "contractScope": null, "id": 1965, "name": "Extension", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18, "src": "386:9:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } }, "value": null, "visibility": "internal" } ], "src": "385:21:8" }, "payable": false, "returnParameters": { "id": 1968, "nodeType": "ParameterList", "parameters": [], "src": "426:0:8" }, "scope": 2006, "src": "364:87:8", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 1993, "nodeType": "Block", "src": "722:112:8", "statements": [ { "assignments": [ 1981 ], "declarations": [ { "constant": false, "id": 1981, "name": "extension", "nodeType": "VariableDeclaration", "scope": 1994, "src": "732:19:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" }, "typeName": { "contractScope": null, "id": 1980, "name": "Extension", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18, "src": "732:9:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } }, "value": null, "visibility": "internal" } ], "id": 1986, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1983, "name": "proxyFactory", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1975, "src": "770:12:8", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1984, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1977, "src": "784:4:8", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 1982, "name": "createExtension", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2005, "src": "754:15:8", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$returns$_t_contract$_Extension_$18_$", "typeString": "function (address,bytes memory) returns (contract Extension)" } }, "id": 1985, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "754:35:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } }, "nodeType": "VariableDeclarationStatement", "src": "732:57:8" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1990, "name": "extension", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1981, "src": "817:9:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } ], "expression": { "argumentTypes": null, "id": 1987, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2116, "src": "799:4:8", "typeDescriptions": { "typeIdentifier": "t_contract$_CreateAndAddExtension_$2006", "typeString": "contract CreateAndAddExtension" } }, "id": 1989, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "addExtension", "nodeType": "MemberAccess", "referencedDeclaration": 1973, "src": "799:17:8", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_contract$_Extension_$18_$returns$__$", "typeString": "function (contract Extension) external" } }, "id": 1991, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "799:28:8", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1992, "nodeType": "ExpressionStatement", "src": "799:28:8" } ] }, "id": 1994, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "createAndAddExtension", "nodeType": "FunctionDefinition", "parameters": { "id": 1978, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1975, "name": "proxyFactory", "nodeType": "VariableDeclaration", "scope": 1994, "src": "669:20:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1974, "name": "address", "nodeType": "ElementaryTypeName", "src": "669:7:8", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1977, "name": "data", "nodeType": "VariableDeclaration", "scope": 1994, "src": "691:10:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, "typeName": { "id": 1976, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "691:5:8", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes storage pointer" } }, "value": null, "visibility": "internal" } ], "src": "668:34:8" }, "payable": false, "returnParameters": { "id": 1979, "nodeType": "ParameterList", "parameters": [], "src": "722:0:8" }, "scope": 2006, "src": "638:196:8", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 2004, "nodeType": "Block", "src": "958:296:8", "statements": [ { "externalReferences": [ { "extension": { "declaration": 2001, "isOffset": false, "isSlot": false, "src": "1163:9:8", "valueSize": 1 } }, { "data": { "declaration": 1998, "isOffset": false, "isSlot": false, "src": "1075:4:8", "valueSize": 1 } }, { "data": { "declaration": 1998, "isOffset": false, "isSlot": false, "src": "1094:4:8", "valueSize": 1 } }, { "proxyFactory": { "declaration": 1996, "isOffset": false, "isSlot": false, "src": "1057:12:8", "valueSize": 1 } } ], "id": 2003, "nodeType": "InlineAssembly", "operations": "{\n let output := mload(0x40)\n switch delegatecall(not(0), proxyFactory, add(data, 0x20), mload(data), output, 0x20)\n case 0 {\n revert(0, 0)\n }\n extension := and(mload(output), 0xffffffffffffffffffffffffffffffffffffffff)\n}", "src": "968:286:8" } ] }, "id": 2005, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "createExtension", "nodeType": "FunctionDefinition", "parameters": { "id": 1999, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1996, "name": "proxyFactory", "nodeType": "VariableDeclaration", "scope": 2005, "src": "865:20:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1995, "name": "address", "nodeType": "ElementaryTypeName", "src": "865:7:8", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1998, "name": "data", "nodeType": "VariableDeclaration", "scope": 2005, "src": "887:10:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, "typeName": { "id": 1997, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "887:5:8", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes storage pointer" } }, "value": null, "visibility": "internal" } ], "src": "864:34:8" }, "payable": false, "returnParameters": { "id": 2002, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2001, "name": "extension", "nodeType": "VariableDeclaration", "scope": 2005, "src": "933:19:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" }, "typeName": { "contractScope": null, "id": 2000, "name": "Extension", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18, "src": "933:9:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } }, "value": null, "visibility": "internal" } ], "src": "932:21:8" }, "scope": 2006, "src": "840:414:8", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 2007, "src": "199:1057:8" } ], "src": "0:1257:8" }, "legacyAST": { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/libraries/CreateAndAddExtension.sol", "exportedSymbols": { "CreateAndAddExtension": [ 2006 ] }, "id": 2007, "nodeType": "SourceUnit", "nodes": [ { "id": 1963, "literals": [ "solidity", "0.4", ".19" ], "nodeType": "PragmaDirective", "src": "0:23:8" }, { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/Extension.sol", "file": "../Extension.sol", "id": 1964, "nodeType": "ImportDirective", "scope": 2007, "sourceUnit": 19, "src": "24:26:8", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Create and Add Extension - Allows to create and add a new extension in one transaction.\n @author Stefan George - ", "fullyImplemented": true, "id": 2006, "linearizedBaseContracts": [ 2006 ], "name": "CreateAndAddExtension", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 1972, "nodeType": "Block", "src": "426:25:8", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 1969, "name": "revert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2093, "src": "436:6:8", "typeDescriptions": { "typeIdentifier": "t_function_revert_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 1970, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "436:8:8", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1971, "nodeType": "ExpressionStatement", "src": "436:8:8" } ] }, "id": 1973, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "addExtension", "nodeType": "FunctionDefinition", "parameters": { "id": 1967, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1966, "name": "extension", "nodeType": "VariableDeclaration", "scope": 1973, "src": "386:19:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" }, "typeName": { "contractScope": null, "id": 1965, "name": "Extension", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18, "src": "386:9:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } }, "value": null, "visibility": "internal" } ], "src": "385:21:8" }, "payable": false, "returnParameters": { "id": 1968, "nodeType": "ParameterList", "parameters": [], "src": "426:0:8" }, "scope": 2006, "src": "364:87:8", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 1993, "nodeType": "Block", "src": "722:112:8", "statements": [ { "assignments": [ 1981 ], "declarations": [ { "constant": false, "id": 1981, "name": "extension", "nodeType": "VariableDeclaration", "scope": 1994, "src": "732:19:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" }, "typeName": { "contractScope": null, "id": 1980, "name": "Extension", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18, "src": "732:9:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } }, "value": null, "visibility": "internal" } ], "id": 1986, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1983, "name": "proxyFactory", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1975, "src": "770:12:8", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1984, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1977, "src": "784:4:8", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 1982, "name": "createExtension", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2005, "src": "754:15:8", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$returns$_t_contract$_Extension_$18_$", "typeString": "function (address,bytes memory) returns (contract Extension)" } }, "id": 1985, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "754:35:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } }, "nodeType": "VariableDeclarationStatement", "src": "732:57:8" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1990, "name": "extension", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1981, "src": "817:9:8", "typeDescriptions": { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Extension_$18", "typeString": "contract Extension" } ], "expression": { "argumentTypes": null, "id": 1987, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2116, "src": "799:4:8", "typeDescriptions": { "typeIdentifier": "t_contract$_CreateAndAddExtension_$2006", "typeString": "contract CreateAndAddExtension" } }, "id": 1989, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "addExtension", "nodeType": "MemberAccess", "referencedDeclaration": 1973, "src": "799:17:8", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_contract$_Extension_$18_$returns$__$", "typeString": "function (contract Extension) external" } }, "id": 1991, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "799:28:8", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1992, "nodeType": "ExpressionStatement", "src": "799:28:8" } ] }, "id": 1994, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "createAndAddExtension", "nodeType": "FunctionDefinition", "parameters": { "id": 1978, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1975, "name": "proxyFactory", "nodeType": "VariableDeclaration", "scope": 1994, "src": "669:20:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1974, "name": "address", "nodeType": "ElementaryTypeName", "src": "669:7:8", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1977, "name": "data", "nodeType": "VariableDeclaration", "scope": 1994, "src": "691:10:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, "typeName": { "id": 1976, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "691:5:8", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes storage pointer" } }, "value": null, "visibility": "internal" } ], "src": "668:34:8" }, "payable": false, "returnParameters": { "id": 1979, "nodeType": "ParameterList", "parameters": [], "src": "722:0:8" }, "scope": 2006, "src": "638:196:8", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 2004, "nodeType": "Block", "src": "958:296:8", "statements": [ { "externalReferences": [ { "extension": { "declaration": 2001, "isOffset": false, "isSlot": false, "src": "1163:9:8", "valueSize": 1 } }, { "data": { "declaration": 1998, "isOffset": false, "isSlot": false, "src": "1075:4:8", "valueSize": 1 } }, { "data": { "declaration": 1998, "isOffset": false, "isSlot": false, "src": "1094:4:8", "valueSize": 1 } }, { "proxyFactory": { "declaration": 1996, "isOffset": false, "isSlot": false, "src": "1057:12:8", "valueSize": 1 } } ], "id": 2003, "nodeType": "InlineAssembly", "operations": "{\n let output := mload(0x40)\n switch delegatecall(not(0), proxyFactory, add(data, 0x20), mload(data), output, 0x20)\n case 0 {\n revert(0, 0)\n }\n extension := and(mload(output), 0xffffffffffffffffffffffffffffffffffffffff)\n}", "src": "968:286:8" } ] }, "id": 2005, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "createExtension", "nodeType": 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