{ "contractName": "App", "abi": [ { "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" }, { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "proxy", "type": "address" } ], "name": "ProxyCreated", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "providerName", "type": "string" }, { "indexed": false, "name": "package", "type": "address" }, { "indexed": false, "name": "version", "type": "uint64[3]" } ], "name": "PackageChanged", "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": true, "inputs": [ { "name": "packageName", "type": "string" } ], "name": "getProvider", "outputs": [ { "name": "provider", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "packageName", "type": "string" } ], "name": "getPackage", "outputs": [ { "name": "", "type": "address" }, { "name": "", "type": "uint64[3]" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "packageName", "type": "string" }, { "name": "package", "type": "address" }, { "name": "version", "type": "uint64[3]" } ], "name": "setPackage", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "packageName", "type": "string" } ], "name": "unsetPackage", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "packageName", "type": "string" }, { "name": "contractName", "type": "string" } ], "name": "getImplementation", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "packageName", "type": "string" }, { "name": "contractName", "type": "string" }, { "name": "admin", "type": "address" }, { "name": "data", "type": "bytes" } ], "name": "create", "outputs": [ { "name": "", "type": "address" } ], "payable": true, "stateMutability": "payable", "type": "function" } ], "bytecode": 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"source": "pragma solidity ^0.4.24;\n\nimport \"./ImplementationProvider.sol\";\nimport \"./Package.sol\";\nimport \"../upgradeability/AdminUpgradeabilityProxy.sol\";\nimport \"openzeppelin-solidity/contracts/ownership/Ownable.sol\";\n\n/**\n * @title App\n * @dev Contract for upgradeable applications.\n * It handles the creation of proxies.\n */\ncontract App is Ownable {\n /**\n * @dev Emitted when a new proxy is created.\n * @param proxy Address of the created proxy.\n */\n event ProxyCreated(address proxy);\n\n /**\n * @dev Emitted when a package dependency is changed in the application.\n * @param providerName Name of the package that changed.\n * @param package Address of the package associated to the name.\n * @param version Version of the package in use.\n */\n event PackageChanged(string providerName, address package, uint64[3] version);\n\n /**\n * @dev Tracks a package in a particular version, used for retrieving implementations\n */\n struct ProviderInfo {\n Package package;\n uint64[3] version;\n }\n\n /**\n * @dev Maps from dependency name to a tuple of package and version\n */\n mapping(string => ProviderInfo) internal providers;\n\n /**\n * @dev Constructor function.\n */\n constructor() public { }\n\n /**\n * @dev Returns the provider for a given package name, or zero if not set.\n * @param packageName Name of the package to be retrieved.\n * @return The provider.\n */\n function getProvider(string packageName) public view returns (ImplementationProvider provider) {\n ProviderInfo storage info = providers[packageName];\n if (address(info.package) == address(0)) return ImplementationProvider(0);\n return ImplementationProvider(info.package.getContract(info.version));\n }\n\n /**\n * @dev Returns information on a package given its name.\n * @param packageName Name of the package to be queried.\n * @return A tuple with the package address and pinned version given a package name, or zero if not set\n */\n function getPackage(string packageName) public view returns (Package, uint64[3]) {\n ProviderInfo storage info = providers[packageName];\n return (info.package, info.version);\n }\n\n /**\n * @dev Sets a package in a specific version as a dependency for this application.\n * Requires the version to be present in the package.\n * @param packageName Name of the package to set or overwrite.\n * @param package Address of the package to register.\n * @param version Version of the package to use in this application.\n */\n function setPackage(string packageName, Package package, uint64[3] version) public onlyOwner {\n require(package.hasVersion(version), \"The requested version must be registered in the given package\");\n providers[packageName] = ProviderInfo(package, version);\n emit PackageChanged(packageName, package, version);\n }\n\n /**\n * @dev Unsets a package given its name.\n * Reverts if the package is not set in the application.\n * @param packageName Name of the package to remove.\n */\n function unsetPackage(string packageName) public onlyOwner {\n require(address(providers[packageName].package) != address(0), \"Package to unset not found\");\n delete providers[packageName];\n emit PackageChanged(packageName, address(0), [uint64(0), uint64(0), uint64(0)]);\n }\n\n /**\n * @dev Returns the implementation address for a given contract name, provided by the `ImplementationProvider`.\n * @param packageName Name of the package where the contract is contained.\n * @param contractName Name of the contract.\n * @return Address where the contract is implemented.\n */\n function getImplementation(string packageName, string contractName) public view returns (address) {\n ImplementationProvider provider = getProvider(packageName);\n if (address(provider) == address(0)) return address(0);\n return provider.getImplementation(contractName);\n }\n\n /**\n * @dev Creates a new proxy for the given contract and forwards a function call to it.\n * This is useful to initialize the proxied contract.\n * @param packageName Name of the package where the contract is contained.\n * @param contractName Name of the contract.\n * @param admin Address of the proxy administrator.\n * @param data Data to send as msg.data to the corresponding 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 * @return Address of the new proxy.\n */\n function create(string packageName, string contractName, address admin, bytes data) payable public returns (AdminUpgradeabilityProxy) {\n address implementation = getImplementation(packageName, contractName);\n AdminUpgradeabilityProxy proxy = (new AdminUpgradeabilityProxy).value(msg.value)(implementation, admin, data);\n emit ProxyCreated(proxy);\n return proxy;\n }\n}\n", "sourcePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/application/App.sol", "ast": { "absolutePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/application/App.sol", "exportedSymbols": { "App": [ 308 ] }, "id": 309, "nodeType": "SourceUnit", "nodes": [ { "id": 57, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:1" }, { "absolutePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/application/ImplementationProvider.sol", "file": "./ImplementationProvider.sol", "id": 58, "nodeType": "ImportDirective", "scope": 309, "sourceUnit": 436, "src": "26:38:1", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/application/Package.sol", "file": "./Package.sol", "id": 59, "nodeType": "ImportDirective", "scope": 309, "sourceUnit": 777, "src": "65:23:1", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/yoonjae/WebstormProjects/zos/packages/lib/contracts/upgradeability/AdminUpgradeabilityProxy.sol", "file": "../upgradeability/AdminUpgradeabilityProxy.sol", "id": 60, "nodeType": "ImportDirective", "scope": 309, "sourceUnit": 2813, "src": "89:56:1", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "file": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "id": 61, "nodeType": "ImportDirective", "scope": 309, "sourceUnit": 3143, "src": "146:63:1", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 62, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3142, "src": "335:7:1", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$3142", "typeString": "contract Ownable" } }, "id": 63, "nodeType": "InheritanceSpecifier", "src": "335:7:1" } ], "contractDependencies": [ 2812, 3142 ], "contractKind": "contract", "documentation": "@title App\n@dev Contract for upgradeable applications.\nIt handles the creation of proxies.", "fullyImplemented": true, "id": 308, "linearizedBaseContracts": [ 308, 3142 ], "name": "App", "nodeType": "ContractDefinition", "nodes": [ { "anonymous": false, "documentation": "@dev Emitted when a new proxy is created.\n@param proxy Address of the created proxy.", "id": 67, "name": "ProxyCreated", "nodeType": "EventDefinition", "parameters": { "id": 66, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 65, "indexed": false, "name": "proxy", "nodeType": "VariableDeclaration", "scope": 67, "src": "473:13:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 64, "name": "address", "nodeType": "ElementaryTypeName", "src": "473:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "472:15:1" }, "src": "454:34:1" }, { "anonymous": false, "documentation": "@dev Emitted when a package dependency is changed in the application.\n@param providerName Name of the package that changed.\n@param package Address of the package associated to the name.\n@param version Version of the package in use.", "id": 77, "name": "PackageChanged", "nodeType": "EventDefinition", "parameters": { "id": 76, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 69, "indexed": false, "name": "providerName", "nodeType": "VariableDeclaration", "scope": 77, "src": "777:19:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 68, "name": "string", "nodeType": "ElementaryTypeName", "src": "777:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": 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given its name.\nReverts if the package is not set in the application.\n@param packageName Name of the package to remove.", "id": 233, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 194, "modifierName": { "argumentTypes": null, "id": 193, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3090, "src": "3023:9:1", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "3023:9:1" } ], "name": "unsetPackage", "nodeType": "FunctionDefinition", "parameters": { "id": 192, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 191, "name": "packageName", "nodeType": "VariableDeclaration", "scope": 233, "src": "2996:18:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 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"typeIdentifier": "t_contract$_AdminUpgradeabilityProxy_$2812", "typeString": "contract AdminUpgradeabilityProxy" } }, "nodeType": "VariableDeclarationStatement", "src": "4875:109:1" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 301, "name": "proxy", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 287, "src": "5009:5:1", "typeDescriptions": { "typeIdentifier": "t_contract$_AdminUpgradeabilityProxy_$2812", "typeString": "contract AdminUpgradeabilityProxy" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_AdminUpgradeabilityProxy_$2812", "typeString": "contract AdminUpgradeabilityProxy" } ], "id": 300, "name": "ProxyCreated", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 67, "src": "4996:12:1", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 302, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4996:19:1", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 303, "nodeType": "EmitStatement", "src": "4991:24:1" }, { "expression": { "argumentTypes": null, "id": 304, "name": "proxy", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 287, "src": "5029:5:1", "typeDescriptions": { "typeIdentifier": "t_contract$_AdminUpgradeabilityProxy_$2812", "typeString": "contract AdminUpgradeabilityProxy" } }, "functionReturnParameters": 278, "id": 305, "nodeType": "Return", "src": "5022:12:1" } ] }, "documentation": "@dev Creates a new proxy for the given contract and forwards a function call to it.\nThis is useful to initialize the proxied contract.\n@param packageName Name of the package where the contract is contained.\n@param contractName Name of the contract.\n@param admin Address of the proxy administrator.\n@param data Data to send as msg.data to the corresponding 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.\n@return Address of the new proxy.", "id": 307, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "create", "nodeType": "FunctionDefinition", "parameters": { "id": 275, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 268, "name": "packageName", "nodeType": "VariableDeclaration", "scope": 307, "src": "4674:18:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 267, "name": "string", "nodeType": "ElementaryTypeName", "src": "4674:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 270, "name": "contractName", "nodeType": "VariableDeclaration", "scope": 307, "src": "4694:19:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 269, "name": "string", "nodeType": "ElementaryTypeName", "src": "4694:6:1", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 272, "name": "admin", "nodeType": "VariableDeclaration", "scope": 307, "src": "4715:13:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 271, "name": "address", "nodeType": "ElementaryTypeName", "src": "4715:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 274, "name": "data", "nodeType": "VariableDeclaration", "scope": 307, "src": "4730:10:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 273, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4730:5:1", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "4673:68:1" }, "payable": true, "returnParameters": { "id": 278, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 277, "name": "", "nodeType": "VariableDeclaration", "scope": 307, "src": "4766:24:1", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_AdminUpgradeabilityProxy_$2812", "typeString": "contract AdminUpgradeabilityProxy" }, "typeName": { "contractScope": null, "id": 276, "name": "AdminUpgradeabilityProxy", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2812, "src": "4766:24:1", "typeDescriptions": { "typeIdentifier": "t_contract$_AdminUpgradeabilityProxy_$2812", "typeString": "contract AdminUpgradeabilityProxy" } }, "value": null, "visibility": "internal" } ], "src": "4765:26:1" }, "scope": 308, "src": "4658:381:1", "stateMutability": "payable", "superFunction": null, "visibility": "public" } ], "scope": 309, "src": "319:4722:1" } ], "src": "0:5042:1" }, "compiler": { "name": "solc", "version": "0.4.24+commit.e67f0147.Emscripten.clang" }, "networks": {}, "schemaVersion": "2.0.1", "updatedAt": "2019-02-15T10:15:15.354Z" }