@alice-network/zos-lib

{ "contractName": "UpgradeabilityProxy", "abi": [ { "inputs": [ { "name": "_implementation", "type": "address" }, { "name": "_data", "type": "bytes" } ], "payable": true, "stateMutability": "payable", "type": "constructor" }, { "payable": true, "stateMutability": "payable", "type": "fallback" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "implementation", "type": "address" } ], "name": "Upgraded", "type": "event" } ], "bytecode": 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"320:2326:26:-;;;454:11:24;:9;:11::i;:::-;320:2326:26;1953:90:24;1989:15;:13;:15::i;:::-;2010:28;2020:17;:15;:17::i;:::-;2010:9;:28::i;:::-;1953:90::o;1819:39::-;:::o;1785:156:26:-;1835:12;1855;789:66;1870:19;;1855:34;;1926:4;1920:11;1912:19;;1904:33;;:::o;879:731:24:-;1181:12;1178:1;1175;1162:32;1371:1;1368;1354:12;1351:1;1335:14;1330:3;1317:56;1435:14;1432:1;1429;1414:36;1465:6;1525:1;1520:36;;;;1583:14;1580:1;1573:25;1520:36;1539:14;1536:1;1529:25;438:576:28;495:4;507:12;982:4;970:17;962:25;;1008:1;1001:4;:8;994:15;;438:576;;;;:::o", "source": "pragma solidity ^0.4.24;\n\nimport './Proxy.sol';\nimport 'openzeppelin-solidity/contracts/AddressUtils.sol';\n\n/**\n * @title UpgradeabilityProxy\n * @dev This contract implements a proxy that allows to change the\n * implementation address to which it will delegate.\n * Such a change is called an implementation upgrade.\n */\ncontract UpgradeabilityProxy is Proxy {\n /**\n * @dev Emitted when the implementation is upgraded.\n * @param implementation Address of the new implementation.\n */\n event Upgraded(address indexed implementation);\n\n /**\n * @dev Storage slot with the address of the current implementation.\n * This is the keccak-256 hash of \"org.zeppelinos.proxy.implementation\", and is\n * validated in the constructor.\n */\n bytes32 private constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3;\n\n /**\n * @dev Contract constructor.\n * @param _implementation Address of the initial implementation.\n * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.\n * It should include the signature and the parameters of the function to be called, as described in\n * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.\n * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.\n */\n constructor(address _implementation, bytes _data) public payable {\n assert(IMPLEMENTATION_SLOT == keccak256(\"org.zeppelinos.proxy.implementation\"));\n _setImplementation(_implementation);\n if(_data.length > 0) {\n require(_implementation.delegatecall(_data));\n }\n }\n\n /**\n * @dev Returns the current implementation.\n * @return Address of the current implementation\n */\n function _implementation() internal view returns (address impl) {\n bytes32 slot = IMPLEMENTATION_SLOT;\n assembly {\n impl := sload(slot)\n }\n }\n\n /**\n * @dev Upgrades the proxy to a new implementation.\n * @param newImplementation Address of the new implementation.\n */\n function _upgradeTo(address newImplementation) internal {\n _setImplementation(newImplementation);\n emit Upgraded(newImplementation);\n }\n\n /**\n * @dev Sets the implementation address of the proxy.\n * @param newImplementation Address of the new implementation.\n */\n function _setImplementation(address newImplementation) private {\n require(AddressUtils.isContract(newImplementation), \"Cannot set a proxy implementation to a non-contract address\");\n\n bytes32 slot = IMPLEMENTATION_SLOT;\n\n assembly {\n sstore(slot, newImplementation)\n }\n }\n}\n", "sourcePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/upgradeability/UpgradeabilityProxy.sol", "ast": { "absolutePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/upgradeability/UpgradeabilityProxy.sol", "exportedSymbols": { "UpgradeabilityProxy": [ 3028 ] }, "id": 3029, "nodeType": "SourceUnit", "nodes": [ { "id": 2939, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:26" }, { "absolutePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/upgradeability/Proxy.sol", "file": "./Proxy.sol", "id": 2940, "nodeType": "ImportDirective", "scope": 3029, "sourceUnit": 2851, "src": "26:21:26", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/AddressUtils.sol", "file": "openzeppelin-solidity/contracts/AddressUtils.sol", "id": 2941, "nodeType": "ImportDirective", "scope": 3029, "sourceUnit": 3057, "src": "48:58:26", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2942, "name": "Proxy", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2850, "src": "352:5:26", "typeDescriptions": { "typeIdentifier": "t_contract$_Proxy_$2850", "typeString": "contract Proxy" } }, "id": 2943, "nodeType": "InheritanceSpecifier", "src": "352:5:26" } ], "contractDependencies": [ 2850 ], "contractKind": "contract", "documentation": "@title UpgradeabilityProxy\n@dev This contract implements a proxy that allows to change the\nimplementation address to which it will delegate.\nSuch a change is called an implementation upgrade.", "fullyImplemented": true, "id": 3028, "linearizedBaseContracts": [ 3028, 2850 ], "name": "UpgradeabilityProxy", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": "@dev Emitted when the implementation is upgraded.\n@param implementation Address of the new implementation.", "id": 2947, "name": "Upgraded", "nodeType": "EventDefinition", "parameters": { "id": 2946, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2945, "indexed": true, "name": "implementation", "nodeType": "VariableDeclaration", "scope": 2947, "src": "506:30:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2944, "name": "address", "nodeType": "ElementaryTypeName", "src": "506:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "505:32:26" }, "src": "491:47:26" }, { "constant": true, "id": 2950, "name": "IMPLEMENTATION_SLOT", "nodeType": "VariableDeclaration", "scope": 3028, "src": "742:113:26", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 2948, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "742:7:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": { "argumentTypes": null, "hexValue": "307837303530633965306634636137363963363962643361386566373430626333373933346638653263303336653561373233666438656530343865643366386333", "id": 2949, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "789:66:26", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_50801780122331352337026042894847907698553222651959119521779622085092237899971_by_1", "typeString": "int_const 5080...(69 digits omitted)...9971" }, "value": "0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3" }, "visibility": "private" }, { "body": { "id": 2982, "nodeType": "Block", "src": "1456:216:26", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "id": 2962, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2958, "name": "IMPLEMENTATION_SLOT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2950, "src": "1469:19:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "6f72672e7a657070656c696e6f732e70726f78792e696d706c656d656e746174696f6e", "id": 2960, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1502:37:26", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3", "typeString": "literal_string \"org.zeppelinos.proxy.implementation\"" }, "value": "org.zeppelinos.proxy.implementation" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3", "typeString": "literal_string \"org.zeppelinos.proxy.implementation\"" } ], "id": 2959, "name": "keccak256", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3151, "src": "1492:9:26", "typeDescriptions": { "typeIdentifier": "t_function_sha3_pure$__$returns$_t_bytes32_$", "typeString": "function () pure returns (bytes32)" } }, "id": 2961, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1492:48:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "1469:71:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 2957, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3146, "src": "1462:6:26", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 2963, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1462:79:26", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2964, "nodeType": "ExpressionStatement", "src": "1462:79:26" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2966, "name": "_implementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2952, "src": "1566:15:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2965, "name": "_setImplementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3027, "src": "1547:18:26", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 2967, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1547:35:26", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2968, "nodeType": "ExpressionStatement", "src": "1547:35:26" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 2972, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2969, "name": "_data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2954, "src": "1591:5:26", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 2970, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1591:12:26", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 2971, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1606:1:26", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1591:16:26", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 2981, "nodeType": "IfStatement", "src": "1588:80:26", "trueBody": { "id": 2980, "nodeType": "Block", "src": "1609:59:26", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2976, "name": "_data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2954, "src": "1654:5:26", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "id": 2974, "name": "_implementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2952, "src": "1625:15:26", 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"t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 2978, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1617:44:26", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2979, "nodeType": "ExpressionStatement", "src": "1617:44:26" } ] } } ] }, "documentation": "@dev Contract constructor.\n@param _implementation Address of the initial implementation.\n@param _data Data to send as msg.data to the implementation to initialize the proxied contract.\nIt should include the signature and the parameters of the function to be called, as described in\nhttps://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.\nThis parameter is optional, if no data is given the initialization call to proxied contract will be skipped.", "id": 2983, "implemented": true, "isConstructor": true, "isDeclaredConst": false, "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 2955, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2952, "name": "_implementation", "nodeType": "VariableDeclaration", "scope": 2983, "src": "1403:23:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2951, "name": "address", "nodeType": "ElementaryTypeName", "src": "1403:7:26", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2954, "name": "_data", "nodeType": "VariableDeclaration", "scope": 2983, "src": "1428:11:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 2953, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1428:5:26", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "1402:38:26" }, "payable": true, "returnParameters": { "id": 2956, "nodeType": "ParameterList", "parameters": [], "src": "1456:0:26" }, "scope": 3028, "src": "1391:281:26", "stateMutability": "payable", "superFunction": null, "visibility": "public" }, { "body": { "id": 2993, "nodeType": "Block", "src": "1849:92:26", "statements": [ { "assignments": [ 2989 ], "declarations": [ { "constant": false, "id": 2989, "name": "slot", "nodeType": "VariableDeclaration", "scope": 2994, "src": "1855:12:26", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 2988, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1855:7:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "id": 2991, "initialValue": { "argumentTypes": null, "id": 2990, "name": "IMPLEMENTATION_SLOT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2950, "src": "1870:19:26", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "VariableDeclarationStatement", "src": "1855:34:26" }, { "externalReferences": [ { "impl": { "declaration": 2986, "isOffset": false, "isSlot": false, "src": "1912:4:26", "valueSize": 1 } }, { "slot": { "declaration": 2989, "isOffset": false, "isSlot": false, "src": "1926:4:26", "valueSize": 1 } } ], "id": 2992, "nodeType": "InlineAssembly", "operations": "{\n impl := sload(slot)\n}", "src": "1895:46:26" } ] }, "documentation": "@dev Returns the current implementation.\n@return Address of the current implementation", "id": 2994, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "_implementation", "nodeType": 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