{ "contractName": "BaseUpgradeabilityProxy", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "implementation", "type": "address" } ], "name": "Upgraded", "type": "event" }, { "stateMutability": "payable", "type": "fallback" }, { "stateMutability": "payable", "type": "receive" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.6+commit.6c089d02\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"implementation\",\"type\":\"address\"}],\"name\":\"Upgraded\",\"type\":\"event\"},{\"stateMutability\":\"payable\",\"type\":\"fallback\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}],\"devdoc\":{\"details\":\"This contract implements a proxy that allows to change the implementation address to which it will delegate. Such a change is called an implementation upgrade.\",\"methods\":{},\"title\":\"BaseUpgradeabilityProxy\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@iexec/solidity/contracts/Upgradeability/BaseUpgradeabilityProxy.sol\":\"BaseUpgradeabilityProxy\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@iexec/solidity/contracts/Upgradeability/BaseUpgradeabilityProxy.sol\":{\"keccak256\":\"0x47ec56a1226ecf04d49aa82f768814923c1957b69f7fc9e7e470885c75b5a2c6\",\"urls\":[\"bzz-raw://4eae82be03a247a27a2948ed12d5a826dea977f4b5528830c19d9cf4c23dcd53\",\"dweb:/ipfs/Qmb9HtnohAMvjb7vYnXaT3AnQd9p9sLsThnyLnXVzz1umq\"]},\"@iexec/solidity/contracts/Upgradeability/Proxy.sol\":{\"keccak256\":\"0xd89f285d80cfeff0efc87f11dbc024a587da3bba142a06695cbac7e4050e9302\",\"urls\":[\"bzz-raw://9c8323ec7efc9fde6c1529f1070c3f3406adb5f8836b17221530d8f0110fe3f4\",\"dweb:/ipfs/QmURRsX9L2gZ83aMULtY1EuRMJExHhFYErCbkxE5CNkAzE\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0x5f7da58ee3d9faa9b8999a93d49c8ff978f1afc88ae9bcfc6f9cbb44da011c2b\",\"urls\":[\"bzz-raw://4f089d954b3ecaa26949412fe63e9a184b056562c6c13dd4a0529a5d9a2e685a\",\"dweb:/ipfs/QmVK5iCNAMcEJQxT59bsC5E53JQASDQPU6khHox3d5ZXCn\"]}},\"version\":1}", "bytecode": "0x6080604052348015600f57600080fd5b5060a58061001e6000396000f3fe608060405236601057600e6013565b005b600e5b60196025565b602560216027565b604c565b565b7f7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c35490565b3660008037600080366000845af43d6000803e808015606a573d6000f35b3d6000fdfea2646970667358221220565626da8585cb8f325ef7b154a2e7e8b2553e1b9e9c27b90ccc0d9ed5690d7564736f6c63430006060033", "deployedBytecode": "0x608060405236601057600e6013565b005b600e5b60196025565b602560216027565b604c565b565b7f7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c35490565b3660008037600080366000845af43d6000803e808015606a573d6000f35b3d6000fdfea2646970667358221220565626da8585cb8f325ef7b154a2e7e8b2553e1b9e9c27b90ccc0d9ed5690d7564736f6c63430006060033", "immutableReferences": {}, "sourceMap": "316:1525:62:-:0;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;316:1525:62;;;;;;;", "deployedSourceMap": "316:1525:62:-:0;;;;;;459:11:64;:9;:11::i;:::-;316:1525:62;;596:11:64;2133:90;2169:15;:13;:15::i;:::-;2190:28;2200:17;:15;:17::i;:::-;2190:9;:28::i;:::-;2133:90::o;975:165:62:-;790:66;1119:11;;1103:33::o;1039:743:64:-;1341:14;1338:1;1335;1322:34;1537:1;1534;1518:14;1515:1;1499:14;1492:5;1479:60;1601:16;1598:1;1595;1580:38;1633:6;1688:38;;;;1753:16;1750:1;1743:27;1688:38;1707:16;1704:1;1697:27", "source": "pragma solidity ^0.6.0;\n\nimport '@openzeppelin/contracts/utils/Address.sol';\nimport './Proxy.sol';\n\n/**\n * @title BaseUpgradeabilityProxy\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 BaseUpgradeabilityProxy 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 internal constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3;\n\n /**\n * @dev Returns the current implementation.\n * @return impl Address of the current implementation\n */\n function _implementation() internal override 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) internal {\n require(Address.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": "@iexec/solidity/contracts/Upgradeability/BaseUpgradeabilityProxy.sol", "ast": { "absolutePath": "@iexec/solidity/contracts/Upgradeability/BaseUpgradeabilityProxy.sol", "exportedSymbols": { "BaseUpgradeabilityProxy": [ 10618 ] }, "id": 10619, "nodeType": "SourceUnit", "nodes": [ { "id": 10556, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:62" }, { "absolutePath": "@openzeppelin/contracts/utils/Address.sol", "file": "@openzeppelin/contracts/utils/Address.sol", "id": 10557, "nodeType": "ImportDirective", "scope": 10619, "sourceUnit": 12394, "src": "25:51:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@iexec/solidity/contracts/Upgradeability/Proxy.sol", "file": "./Proxy.sol", "id": 10558, "nodeType": "ImportDirective", "scope": 10619, "sourceUnit": 10726, "src": "77:21:62", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10560, "name": "Proxy", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10725, "src": "352:5:62", "typeDescriptions": { "typeIdentifier": "t_contract$_Proxy_$10725", "typeString": "contract Proxy" } }, "id": 10561, "nodeType": "InheritanceSpecifier", "src": "352:5:62" } ], "contractDependencies": [ 10725 ], "contractKind": "contract", "documentation": { "id": 10559, "nodeType": "StructuredDocumentation", "src": "100:215:62", "text": "@title BaseUpgradeabilityProxy\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": 10618, "linearizedBaseContracts": [ 10618, 10725 ], "name": "BaseUpgradeabilityProxy", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": { "id": 10562, "nodeType": "StructuredDocumentation", "src": "362:126:62", "text": "@dev Emitted when the implementation is upgraded.\n@param implementation Address of the new implementation." }, "id": 10566, "name": "Upgraded", "nodeType": "EventDefinition", "parameters": { "id": 10565, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10564, "indexed": true, "mutability": "mutable", "name": "implementation", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10566, "src": "506:30:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10563, "name": "address", "nodeType": "ElementaryTypeName", "src": "506:7:62", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "505:32:62" }, "src": "491:47:62" }, { "constant": true, "id": 10569, "mutability": "constant", "name": "IMPLEMENTATION_SLOT", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10618, "src": "742:114:62", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 10567, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "742:7:62", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": { "argumentTypes": null, "hexValue": "307837303530633965306634636137363963363962643361386566373430626333373933346638653263303336653561373233666438656530343865643366386333", "id": 10568, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "790:66:62", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_50801780122331352337026042894847907698553222651959119521779622085092237899971_by_1", "typeString": "int_const 5080...(69 digits omitted)...9971" }, "value": "0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3" }, "visibility": "internal" }, { "baseFunctions": [ 10698 ], "body": { "id": 10581, "nodeType": "Block", "src": "1048:92:62", "statements": [ { "assignments": [ 10577 ], "declarations": [ { "constant": false, "id": 10577, "mutability": "mutable", "name": "slot", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10581, "src": "1054:12:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 10576, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1054:7:62", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "id": 10579, "initialValue": { "argumentTypes": null, "id": 10578, "name": "IMPLEMENTATION_SLOT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10569, "src": "1069:19:62", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "VariableDeclarationStatement", "src": "1054:34:62" }, { "AST": { "nodeType": "YulBlock", "src": "1103:33:62", "statements": [ { "nodeType": "YulAssignment", "src": "1111:19:62", "value": { "arguments": [ { "name": "slot", "nodeType": "YulIdentifier", "src": "1125:4:62" } ], "functionName": { "name": "sload", "nodeType": "YulIdentifier", "src": "1119:5:62" }, "nodeType": "YulFunctionCall", "src": "1119:11:62" }, "variableNames": [ { "name": "impl", "nodeType": "YulIdentifier", "src": "1111:4:62" } ] } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 10574, "isOffset": false, "isSlot": false, "src": "1111:4:62", "valueSize": 1 }, { "declaration": 10577, "isOffset": false, "isSlot": false, "src": "1125:4:62", "valueSize": 1 } ], "id": 10580, "nodeType": "InlineAssembly", "src": "1094:42:62" } ] }, "documentation": { "id": 10570, "nodeType": "StructuredDocumentation", "src": "861:111:62", "text": "@dev Returns the current implementation.\n@return impl Address of the current implementation" }, "id": 10582, "implemented": true, "kind": "function", "modifiers": [], "name": "_implementation", "nodeType": "FunctionDefinition", "overrides": { "id": 10572, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1011:8:62" }, "parameters": { "id": 10571, "nodeType": "ParameterList", "parameters": [], "src": "999:2:62" }, "returnParameters": { "id": 10575, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10574, "mutability": "mutable", "name": "impl", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10582, "src": "1034:12:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10573, "name": "address", "nodeType": "ElementaryTypeName", "src": "1034:7:62", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1033:14:62" }, "scope": 10618, "src": "975:165:62", "stateMutability": "view", "virtual": false, "visibility": "internal" }, { "body": { "id": 10596, "nodeType": "Block", "src": "1331:86:62", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10589, "name": "newImplementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10585, "src": "1356:17:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10588, "name": "_setImplementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10617, "src": "1337:18:62", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 10590, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1337:37:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10591, "nodeType": "ExpressionStatement", "src": "1337:37:62" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10593, "name": "newImplementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10585, "src": "1394:17:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10592, "name": "Upgraded", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10566, "src": "1385:8:62", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 10594, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1385:27:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10595, "nodeType": "EmitStatement", "src": "1380:32:62" } ] }, "documentation": { "id": 10583, "nodeType": "StructuredDocumentation", "src": "1144:128:62", "text": "@dev Upgrades the proxy to a new implementation.\n@param newImplementation Address of the new implementation." }, "id": 10597, "implemented": true, "kind": "function", "modifiers": [], "name": "_upgradeTo", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10586, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10585, "mutability": "mutable", "name": "newImplementation", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10597, "src": "1295:25:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10584, "name": "address", "nodeType": "ElementaryTypeName", "src": "1295:7:62", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1294:27:62" }, "returnParameters": { "id": 10587, "nodeType": "ParameterList", "parameters": [], "src": "1331:0:62" }, "scope": 10618, "src": "1275:142:62", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 10616, "nodeType": "Block", "src": "1618:221:62", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10606, "name": "newImplementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10600, "src": "1651:17:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 10604, "name": "Address", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 12393, "src": "1632:7:62", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_Address_$12393_$", "typeString": "type(library Address)" } }, "id": 10605, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "isContract", "nodeType": "MemberAccess", "referencedDeclaration": 12358, "src": "1632:18:62", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$returns$_t_bool_$", "typeString": "function (address) view returns (bool)" } }, "id": 10607, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1632:37:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "43616e6e6f742073657420612070726f787920696d706c656d656e746174696f6e20746f2061206e6f6e2d636f6e74726163742061646472657373", "id": 10608, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1671:61:62", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_b5145a64ce8c406e5785204fe5b300f0ceda96d6636350b38fdccb9cd8c0c37c", "typeString": "literal_string \"Cannot set a proxy implementation to a non-contract address\"" }, "value": "Cannot set a proxy implementation to a non-contract address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b5145a64ce8c406e5785204fe5b300f0ceda96d6636350b38fdccb9cd8c0c37c", "typeString": "literal_string \"Cannot set a proxy implementation to a non-contract address\"" } ], "id": 10603, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1624:7:62", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10609, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1624:109:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10610, "nodeType": "ExpressionStatement", "src": "1624:109:62" }, { "assignments": [ 10612 ], "declarations": [ { "constant": false, "id": 10612, "mutability": "mutable", "name": "slot", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10616, "src": "1740:12:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 10611, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1740:7:62", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "id": 10614, "initialValue": { "argumentTypes": null, "id": 10613, "name": "IMPLEMENTATION_SLOT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10569, "src": "1755:19:62", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "VariableDeclarationStatement", "src": "1740:34:62" }, { "AST": { "nodeType": "YulBlock", "src": "1790:45:62", "statements": [ { "expression": { "arguments": [ { "name": "slot", "nodeType": "YulIdentifier", "src": "1805:4:62" }, { "name": "newImplementation", "nodeType": "YulIdentifier", "src": "1811:17:62" } ], "functionName": { "name": "sstore", "nodeType": "YulIdentifier", "src": "1798:6:62" }, "nodeType": "YulFunctionCall", "src": "1798:31:62" }, "nodeType": "YulExpressionStatement", "src": "1798:31:62" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 10600, "isOffset": false, "isSlot": false, "src": "1811:17:62", "valueSize": 1 }, { "declaration": 10612, "isOffset": false, "isSlot": false, "src": "1805:4:62", "valueSize": 1 } ], "id": 10615, "nodeType": "InlineAssembly", "src": "1781:54:62" } ] }, "documentation": { "id": 10598, "nodeType": "StructuredDocumentation", "src": "1421:130:62", "text": "@dev Sets the implementation address of the proxy.\n@param newImplementation Address of the new implementation." }, "id": 10617, "implemented": true, "kind": "function", "modifiers": [], "name": "_setImplementation", "nodeType": 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"legacyAST": { "absolutePath": "@iexec/solidity/contracts/Upgradeability/BaseUpgradeabilityProxy.sol", "exportedSymbols": { "BaseUpgradeabilityProxy": [ 10618 ] }, "id": 10619, "nodeType": "SourceUnit", "nodes": [ { "id": 10556, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:62" }, { "absolutePath": "@openzeppelin/contracts/utils/Address.sol", "file": "@openzeppelin/contracts/utils/Address.sol", "id": 10557, "nodeType": "ImportDirective", "scope": 10619, "sourceUnit": 12394, "src": "25:51:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@iexec/solidity/contracts/Upgradeability/Proxy.sol", "file": "./Proxy.sol", "id": 10558, "nodeType": "ImportDirective", "scope": 10619, "sourceUnit": 10726, "src": "77:21:62", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10560, "name": "Proxy", "nodeType": "UserDefinedTypeName", 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"function", "modifiers": [], "name": "_implementation", "nodeType": "FunctionDefinition", "overrides": { "id": 10572, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1011:8:62" }, "parameters": { "id": 10571, "nodeType": "ParameterList", "parameters": [], "src": "999:2:62" }, "returnParameters": { "id": 10575, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10574, "mutability": "mutable", "name": "impl", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10582, "src": "1034:12:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10573, "name": "address", "nodeType": "ElementaryTypeName", "src": "1034:7:62", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1033:14:62" }, "scope": 10618, "src": "975:165:62", "stateMutability": "view", "virtual": false, "visibility": "internal" }, { "body": { "id": 10596, "nodeType": "Block", "src": "1331:86:62", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10589, "name": "newImplementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10585, "src": "1356:17:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10588, "name": "_setImplementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10617, "src": "1337:18:62", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 10590, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], 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"functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1385:27:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10595, "nodeType": "EmitStatement", "src": "1380:32:62" } ] }, "documentation": { "id": 10583, "nodeType": "StructuredDocumentation", "src": "1144:128:62", "text": "@dev Upgrades the proxy to a new implementation.\n@param newImplementation Address of the new implementation." }, "id": 10597, "implemented": true, "kind": "function", "modifiers": [], "name": "_upgradeTo", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10586, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10585, "mutability": "mutable", "name": "newImplementation", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10597, "src": "1295:25:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", 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"nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1624:7:62", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10609, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1624:109:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10610, "nodeType": "ExpressionStatement", "src": "1624:109:62" }, { "assignments": [ 10612 ], "declarations": [ { "constant": false, "id": 10612, "mutability": "mutable", "name": "slot", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10616, "src": "1740:12:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 10611, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1740:7:62", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "id": 10614, "initialValue": { "argumentTypes": null, "id": 10613, "name": "IMPLEMENTATION_SLOT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10569, "src": "1755:19:62", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "VariableDeclarationStatement", "src": "1740:34:62" }, { "AST": { "nodeType": "YulBlock", "src": "1790:45:62", "statements": [ { "expression": { "arguments": [ { "name": "slot", "nodeType": "YulIdentifier", "src": "1805:4:62" }, { "name": "newImplementation", "nodeType": "YulIdentifier", "src": "1811:17:62" } ], "functionName": { "name": "sstore", "nodeType": "YulIdentifier", "src": "1798:6:62" }, "nodeType": "YulFunctionCall", "src": "1798:31:62" }, "nodeType": "YulExpressionStatement", "src": "1798:31:62" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 10600, "isOffset": false, "isSlot": false, "src": "1811:17:62", "valueSize": 1 }, { "declaration": 10612, "isOffset": false, "isSlot": false, "src": "1805:4:62", "valueSize": 1 } ], "id": 10615, "nodeType": "InlineAssembly", "src": "1781:54:62" } ] }, "documentation": { "id": 10598, "nodeType": "StructuredDocumentation", "src": "1421:130:62", "text": "@dev Sets the implementation address of the proxy.\n@param newImplementation Address of the new implementation." }, "id": 10617, "implemented": true, "kind": "function", "modifiers": [], "name": "_setImplementation", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10601, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10600, "mutability": "mutable", "name": "newImplementation", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10617, "src": "1582:25:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10599, "name": "address", "nodeType": "ElementaryTypeName", "src": "1582:7:62", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1581:27:62" }, "returnParameters": { "id": 10602, "nodeType": "ParameterList", "parameters": [], "src": "1618:0:62" }, "scope": 10618, "src": "1554:285:62", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" } ], "scope": 10619, "src": "316:1525:62" } ], "src": "0:1842:62" }, "compiler": { "name": "solc", "version": "0.6.6+commit.6c089d02.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.1.0", "updatedAt": "2020-04-21T18:10:34.962Z", "devdoc": { "details": "This contract implements a proxy that allows to change the implementation address to which it will delegate. Such a change is called an implementation upgrade.", "methods": {}, "title": "BaseUpgradeabilityProxy" }, "userdoc": { "methods": {} } }