@newos/upgrades

{ "fileName": "DeprecatedAdminUpgradeabilityProxy.sol", "contractName": "DeprecatedAdminUpgradeabilityProxy", "source": "pragma solidity ^0.5.0;\n\nimport '../upgradeability/UpgradeabilityProxy.sol';\n\n/**\n * @title AdminUpgradeabilityProxy\n * @dev This contract combines an upgradeability proxy with an authorization\n * mechanism for administrative tasks.\n * All external functions in this contract must be guarded by the\n * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity\n * feature proposal that would enable this to be done automatically.\n */\ncontract DeprecatedAdminUpgradeabilityProxy is UpgradeabilityProxy {\n /**\n * @dev Emitted when the administration has been transferred.\n * @param previousAdmin Address of the previous admin.\n * @param newAdmin Address of the new admin.\n */\n event AdminChanged(address previousAdmin, address newAdmin);\n\n /**\n * @dev Storage slot with the admin of the contract.\n * This is the keccak-256 hash of \"org.zeppelinos.proxy.admin\", and is\n * validated in the constructor.\n */\n bytes32 private constant ADMIN_SLOT = 0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b;\n\n /**\n * @dev Modifier to check whether the `msg.sender` is the admin.\n * If it is, it will run the function. Otherwise, it will delegate the call\n * to the implementation.\n */\n modifier ifAdmin() {\n if (msg.sender == _admin()) {\n _;\n } else {\n _fallback();\n }\n }\n\n /**\n * Contract constructor.\n * It sets the `msg.sender` as the proxy administrator.\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 memory _data) UpgradeabilityProxy(_implementation, _data) public payable {\n assert(ADMIN_SLOT == keccak256(\"org.zeppelinos.proxy.admin\"));\n\n _setAdmin(msg.sender);\n }\n\n /**\n * @return The address of the proxy admin.\n */\n function admin() external view returns (address) {\n return _admin();\n }\n\n /**\n * @return The address of the implementation.\n */\n function implementation() external ifAdmin returns (address) {\n return _implementation();\n }\n\n /**\n * @dev Changes the admin of the proxy.\n * Only the current admin can call this function.\n * @param newAdmin Address to transfer proxy administration to.\n */\n function changeAdmin(address newAdmin) external ifAdmin {\n require(newAdmin != address(0), \"Cannot change the admin of a proxy to the zero address\");\n emit AdminChanged(_admin(), newAdmin);\n _setAdmin(newAdmin);\n }\n\n /**\n * @dev Upgrade the backing implementation of the proxy.\n * Only the admin can call this function.\n * @param newImplementation Address of the new implementation.\n */\n function upgradeTo(address newImplementation) external ifAdmin {\n _upgradeTo(newImplementation);\n }\n\n /**\n * @dev Upgrade the backing implementation of the proxy and call a function\n * on the new implementation.\n * This is useful to initialize the proxied contract.\n * @param newImplementation Address of the new implementation.\n * @param data Data to send as msg.data in the low level call.\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 */\n function upgradeToAndCall(address newImplementation, bytes calldata data) payable external ifAdmin {\n _upgradeTo(newImplementation);\n (bool success,) = newImplementation.delegatecall(data);\n require(success);\n }\n\n /**\n * @return The admin slot.\n */\n function _admin() internal view returns (address adm) {\n bytes32 slot = ADMIN_SLOT;\n assembly {\n adm := sload(slot)\n }\n }\n\n /**\n * @dev Sets the address of the proxy admin.\n * @param newAdmin Address of the new proxy admin.\n */\n function _setAdmin(address newAdmin) internal {\n bytes32 slot = ADMIN_SLOT;\n\n assembly {\n sstore(slot, newAdmin)\n }\n }\n\n /**\n * @dev Only fall back when the sender is not the admin.\n */\n function _willFallback() internal {\n require(msg.sender != _admin(), \"Cannot call fallback function from the proxy admin\");\n super._willFallback();\n }\n}\n", "sourcePath": "contracts/mocks/DeprecatedAdminUpgradeabilityProxy.sol", "sourceMap": 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"abi": [ { "constant": false, "inputs": [ { "name": "newImplementation", "type": "address" } ], "name": "upgradeTo", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "newImplementation", "type": "address" }, { "name": "data", "type": "bytes" } ], "name": "upgradeToAndCall", "outputs": [], "payable": true, "stateMutability": "payable", "type": "function" }, { "constant": false, "inputs": [], "name": "implementation", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "newAdmin", "type": "address" } ], "name": "changeAdmin", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "admin", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "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": false, "name": "previousAdmin", "type": "address" }, { "indexed": false, "name": "newAdmin", "type": "address" } ], "name": "AdminChanged", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "implementation", "type": "address" } ], "name": "Upgraded", "type": "event" } ], "ast": { "absolutePath": "contracts/mocks/DeprecatedAdminUpgradeabilityProxy.sol", "exportedSymbols": { "DeprecatedAdminUpgradeabilityProxy": [ 1072 ] }, "id": 1073, "nodeType": "SourceUnit", "nodes": [ { "id": 895, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:7" }, { "absolutePath": "contracts/upgradeability/UpgradeabilityProxy.sol", "file": "../upgradeability/UpgradeabilityProxy.sol", "id": 896, "nodeType": "ImportDirective", "scope": 1073, "sourceUnit": 6371, "src": "25:51:7", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 897, "name": "UpgradeabilityProxy", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6370, "src": "484:19:7", "typeDescriptions": { "typeIdentifier": "t_contract$_UpgradeabilityProxy_$6370", "typeString": "contract UpgradeabilityProxy" } }, "id": 898, "nodeType": "InheritanceSpecifier", "src": "484:19:7" } ], "contractDependencies": [ 5747, 5896, 6370 ], "contractKind": "contract", "documentation": "@title AdminUpgradeabilityProxy\n@dev This contract combines an upgradeability proxy with an authorization\nmechanism for administrative tasks.\nAll external functions in this contract must be guarded by the\n`ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity\nfeature proposal that would enable this to be done automatically.", "fullyImplemented": true, "id": 1072, "linearizedBaseContracts": [ 1072, 6370, 5747, 5896 ], "name": "DeprecatedAdminUpgradeabilityProxy", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": "@dev Emitted when the administration has been transferred.\n@param previousAdmin Address of the previous admin.\n@param newAdmin Address of the new admin.", "id": 904, "name": "AdminChanged", "nodeType": "EventDefinition", "parameters": { "id": 903, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 900, "indexed": false, "name": "previousAdmin", "nodeType": "VariableDeclaration", "scope": 904, "src": "707:21:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 899, "name": "address", "nodeType": "ElementaryTypeName", "src": "707:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 902, "indexed": false, "name": "newAdmin", "nodeType": "VariableDeclaration", "scope": 904, "src": "730:16:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 901, "name": "address", "nodeType": "ElementaryTypeName", "src": "730:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "706:41:7" }, "src": "688:60:7" }, { "constant": true, "id": 907, "name": "ADMIN_SLOT", "nodeType": "VariableDeclaration", "scope": 1072, "src": "927:104:7", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 905, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "927:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": { "argumentTypes": null, "hexValue": "307831306436613534613437353463383836396436383836623566356437666266613562343532323233376561356336306431316263346537613166663933393062", "id": 906, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "965:66:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_7616251639890160809447714111544359812065171195189364993079081710756264753419_by_1", "typeString": "int_const 7616...(68 digits omitted)...3419" }, "value": "0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b" }, "visibility": "private" }, { "body": { "id": 921, "nodeType": "Block", "src": "1240:86:7", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 913, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 909, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6463, "src": "1250:3:7", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 910, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1250:10:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 911, "name": "_admin", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1042, "src": "1264:6:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 912, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1264:8:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1250:22:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 919, "nodeType": "Block", "src": "1296:26:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 916, "name": "_fallback", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5895, "src": "1304:9:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 917, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1304:11:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 918, "nodeType": "ExpressionStatement", "src": "1304:11:7" } ] }, "id": 920, "nodeType": "IfStatement", "src": "1246:76:7", "trueBody": { "id": 915, "nodeType": "Block", "src": "1274:16:7", "statements": [ { "id": 914, "nodeType": "PlaceholderStatement", "src": "1282:1:7" } ] } } ] }, "documentation": "@dev Modifier to check whether the `msg.sender` is the admin.\nIf it is, it will run the function. Otherwise, it will delegate the call\nto the implementation.", "id": 922, "name": "ifAdmin", "nodeType": "ModifierDefinition", "parameters": { "id": 908, "nodeType": "ParameterList", "parameters": [], "src": "1237:2:7" }, "src": "1221:105:7", "visibility": "internal" }, { "body": { "id": 946, "nodeType": "Block", "src": "2030:100:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "id": 938, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 934, "name": "ADMIN_SLOT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "2043:10:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, 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