@alice-network/zos-lib

{ "contractName": "ImplementationDirectory", "abi": [ { "constant": true, "inputs": [], "name": "frozen", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "contractName", "type": "string" }, { "indexed": true, "name": "implementation", "type": "address" } ], "name": "ImplementationChanged", "type": "event" }, { "anonymous": false, "inputs": [], "name": "Frozen", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" } ], "name": "OwnershipRenounced", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" }, { "indexed": true, "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": false, "inputs": [], "name": "freeze", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "contractName", "type": "string" } ], "name": "getImplementation", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "contractName", "type": "string" }, { "name": "implementation", "type": "address" } ], "name": "setImplementation", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "contractName", "type": "string" } ], "name": "unsetImplementation", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": 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"source": "pragma solidity ^0.4.24;\n\nimport \"./ImplementationProvider.sol\";\nimport \"openzeppelin-solidity/contracts/ownership/Ownable.sol\";\nimport 'openzeppelin-solidity/contracts/AddressUtils.sol';\n\n/**\n * @title ImplementationDirectory\n * @dev Implementation provider that stores contract implementations in a mapping.\n */\ncontract ImplementationDirectory is ImplementationProvider, Ownable {\n /**\n * @dev Emitted when the implementation of a contract is changed.\n * @param contractName Name of the contract.\n * @param implementation Address of the added implementation.\n */\n event ImplementationChanged(string contractName, address indexed implementation);\n\n /**\n * @dev Emitted when the implementation directory is frozen.\n */\n event Frozen();\n\n /// @dev Mapping where the addresses of the implementations are stored.\n mapping (string => address) internal implementations;\n\n /// @dev Mutability state of the directory.\n bool public frozen;\n\n /**\n * @dev Modifier that allows functions to be called only before the contract is frozen.\n */\n modifier whenNotFrozen() {\n require(!frozen, \"Cannot perform action for a frozen implementation directory\");\n _;\n }\n\n /**\n * @dev Makes the directory irreversibly immutable.\n * It can only be called once, by the owner.\n */\n function freeze() onlyOwner whenNotFrozen public {\n frozen = true;\n emit Frozen();\n }\n\n /**\n * @dev Returns the implementation address of a contract.\n * @param contractName Name of the contract.\n * @return Address of the implementation.\n */\n function getImplementation(string contractName) public view returns (address) {\n return implementations[contractName];\n }\n\n /**\n * @dev Sets the address of the implementation of a contract in the directory.\n * @param contractName Name of the contract.\n * @param implementation Address of the implementation.\n */\n function setImplementation(string contractName, address implementation) public onlyOwner whenNotFrozen {\n require(AddressUtils.isContract(implementation), \"Cannot set implementation in directory with a non-contract address\");\n implementations[contractName] = implementation;\n emit ImplementationChanged(contractName, implementation);\n }\n\n /**\n * @dev Removes the address of a contract implementation from the directory.\n * @param contractName Name of the contract.\n */\n function unsetImplementation(string contractName) public onlyOwner whenNotFrozen {\n implementations[contractName] = address(0);\n emit ImplementationChanged(contractName, address(0));\n }\n}\n", "sourcePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/application/ImplementationDirectory.sol", "ast": { "absolutePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/application/ImplementationDirectory.sol", "exportedSymbols": { "ImplementationDirectory": [ 425 ] }, "id": 426, "nodeType": "SourceUnit", "nodes": [ { "id": 310, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:2" }, { "absolutePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/application/ImplementationProvider.sol", "file": "./ImplementationProvider.sol", "id": 311, "nodeType": "ImportDirective", "scope": 426, "sourceUnit": 436, "src": "26:38:2", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "file": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "id": 312, "nodeType": "ImportDirective", "scope": 426, "sourceUnit": 3143, "src": "65:63:2", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/AddressUtils.sol", "file": "openzeppelin-solidity/contracts/AddressUtils.sol", "id": 313, "nodeType": "ImportDirective", "scope": 426, "sourceUnit": 3057, "src": "129:58:2", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 314, "name": "ImplementationProvider", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 435, "src": "350:22:2", "typeDescriptions": { "typeIdentifier": "t_contract$_ImplementationProvider_$435", "typeString": "contract ImplementationProvider" } }, "id": 315, "nodeType": "InheritanceSpecifier", "src": "350:22:2" }, { "arguments": null, "baseName": { "contractScope": null, "id": 316, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3142, "src": "374:7:2", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$3142", "typeString": "contract Ownable" } }, "id": 317, "nodeType": "InheritanceSpecifier", "src": "374:7:2" } ], "contractDependencies": [ 435, 3142 ], "contractKind": "contract", "documentation": "@title ImplementationDirectory\n@dev Implementation provider that stores contract implementations in a mapping.", "fullyImplemented": true, "id": 425, "linearizedBaseContracts": [ 425, 3142, 435 ], "name": "ImplementationDirectory", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": "@dev Emitted when the implementation of a contract is changed.\n@param contractName Name of the contract.\n@param implementation Address of the added implementation.", "id": 323, "name": "ImplementationChanged", "nodeType": "EventDefinition", "parameters": { "id": 322, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 319, "indexed": false, "name": "contractName", "nodeType": "VariableDeclaration", "scope": 323, "src": "605:19:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 318, "name": "string", "nodeType": "ElementaryTypeName", "src": "605:6:2", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 321, "indexed": true, "name": "implementation", "nodeType": "VariableDeclaration", "scope": 323, "src": "626:30:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 320, "name": "address", "nodeType": "ElementaryTypeName", "src": "626:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "604:53:2" }, "src": "577:81:2" }, { "anonymous": false, "documentation": "@dev Emitted when the implementation directory is frozen.", "id": 325, "name": "Frozen", "nodeType": "EventDefinition", "parameters": { "id": 324, "nodeType": "ParameterList", "parameters": [], "src": "749:2:2" }, "src": "737:15:2" }, { "constant": false, "id": 329, "name": "implementations", "nodeType": "VariableDeclaration", "scope": 425, "src": "830:52:2", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_string_memory_$_t_address_$", "typeString": "mapping(string => address)" }, "typeName": { "id": 328, "keyType": { "id": 326, "name": "string", "nodeType": "ElementaryTypeName", "src": "839:6:2", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "nodeType": "Mapping", "src": "830:27:2", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_string_memory_$_t_address_$", "typeString": "mapping(string => address)" }, "valueType": { "id": 327, "name": "address", "nodeType": "ElementaryTypeName", "src": "849:7:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 331, "name": "frozen", "nodeType": "VariableDeclaration", "scope": 425, "src": "933:18:2", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 330, "name": "bool", "nodeType": "ElementaryTypeName", "src": "933:4:2", "typeDescriptions": { "typeIdentifier": "t_bool", 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false, "nodeType": "Literal", "src": "1106:61:2", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_d0d7da8818714c48acc93a148424f682c2ef689209261fbd5d6549d76596a141", "typeString": "literal_string \"Cannot perform action for a frozen implementation directory\"" }, "value": "Cannot perform action for a frozen implementation directory" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_d0d7da8818714c48acc93a148424f682c2ef689209261fbd5d6549d76596a141", "typeString": "literal_string \"Cannot perform action for a frozen implementation directory\"" } ], "id": 333, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 3160, 3161 ], "referencedDeclaration": 3161, "src": "1089:7:2", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 337, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1089:79:2", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 338, "nodeType": "ExpressionStatement", "src": "1089:79:2" }, { "id": 339, "nodeType": "PlaceholderStatement", "src": "1174:1:2" } ] }, "documentation": "@dev Modifier that allows functions to be called only before the contract is frozen.", "id": 341, "name": "whenNotFrozen", "nodeType": "ModifierDefinition", "parameters": { "id": 332, "nodeType": "ParameterList", "parameters": [], "src": "1080:2:2" }, "src": "1058:122:2", "visibility": "internal" }, { "body": { "id": 355, "nodeType": "Block", "src": "1346:43:2", "statements": [ { "expression": { "argumentTypes": null, "id": 350, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 348, "name": "frozen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 331, "src": "1352:6:2", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "74727565", "id": 349, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1361:4:2", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "src": "1352:13:2", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 351, "nodeType": "ExpressionStatement", "src": "1352:13:2" }, { "eventCall": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 352, "name": "Frozen", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 325, "src": "1376:6:2", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 353, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1376:8:2", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 354, "nodeType": "EmitStatement", "src": "1371:13:2" } ] }, "documentation": "@dev Makes the directory irreversibly immutable.\nIt can only be called once, by the owner.", "id": 356, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 344, "modifierName": { "argumentTypes": null, "id": 343, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3090, "src": "1315:9:2", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1315:9:2" }, { "arguments": null, "id": 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"referencedDeclaration": 329, "src": "1647:15:2", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_string_memory_$_t_address_$", "typeString": "mapping(string memory => address)" } }, "id": 365, "indexExpression": { "argumentTypes": null, "id": 364, "name": "contractName", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 358, "src": "1663:12:2", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1647:29:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 362, "id": 366, "nodeType": "Return", "src": "1640:36:2" } ] }, "documentation": "@dev Returns the implementation address of a contract.\n@param contractName Name of the contract.\n@return Address of the implementation.", "id": 368, "implemented": true, "isConstructor": false, 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