@daostack/upgrades

{ "fileName": "ProxyAdmin.sol", "contractName": "ProxyAdmin", "source": "pragma solidity ^0.6.0;\n// SPDX-License-Identifier: MIT\n\nimport \"../ownership/Ownable.sol\";\nimport \"./AdminUpgradeabilityProxy.sol\";\n\n/**\n * @title ProxyAdmin\n * @dev This contract is the admin of a proxy, and is in charge\n * of upgrading it as well as transferring it to another admin.\n */\ncontract ProxyAdmin is OpenZeppelinUpgradesOwnable {\n\n /**\n * @dev Returns the current implementation of a proxy.\n * This is needed because only the proxy admin can query it.\n * @return The address of the current implementation of the proxy.\n */\n function getProxyImplementation(AdminUpgradeabilityProxy proxy) public view returns (address) {\n // We need to manually run the static call since the getter cannot be flagged as view\n // bytes4(keccak256(\"implementation()\")) == 0x5c60da1b\n (bool success, bytes memory returndata) = address(proxy).staticcall(hex\"5c60da1b\");\n require(success);\n return abi.decode(returndata, (address));\n }\n\n /**\n * @dev Returns the admin of a proxy. Only the admin can query it.\n * @return The address of the current admin of the proxy.\n */\n function getProxyAdmin(AdminUpgradeabilityProxy proxy) public view returns (address) {\n // We need to manually run the static call since the getter cannot be flagged as view\n // bytes4(keccak256(\"admin()\")) == 0xf851a440\n (bool success, bytes memory returndata) = address(proxy).staticcall(hex\"f851a440\");\n require(success);\n return abi.decode(returndata, (address));\n }\n\n /**\n * @dev Changes the admin of a proxy.\n * @param proxy Proxy to change admin.\n * @param newAdmin Address to transfer proxy administration to.\n */\n function changeProxyAdmin(AdminUpgradeabilityProxy proxy, address newAdmin) public onlyOwner {\n proxy.changeAdmin(newAdmin);\n }\n\n /**\n * @dev Upgrades a proxy to the newest implementation of a contract.\n * @param proxy Proxy to be upgraded.\n * @param implementation the address of the Implementation.\n */\n function upgrade(AdminUpgradeabilityProxy proxy, address implementation) public onlyOwner {\n proxy.upgradeTo(implementation);\n }\n\n /**\n * @dev Upgrades a proxy to the newest implementation of a contract and forwards a function call to it.\n * This is useful to initialize the proxied contract.\n * @param proxy Proxy to be upgraded.\n * @param implementation Address of the 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 upgradeAndCall(AdminUpgradeabilityProxy proxy, address implementation, bytes memory data) payable public onlyOwner {\n proxy.upgradeToAndCall{value: msg.value}(implementation, data);\n }\n}\n", "sourcePath": "contracts/upgradeability/ProxyAdmin.sol", "sourceMap": 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"abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "inputs": [ { "internalType": "contract AdminUpgradeabilityProxy", "name": "proxy", "type": "address" }, { "internalType": "address", "name": "newAdmin", "type": "address" } ], "name": "changeProxyAdmin", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "contract AdminUpgradeabilityProxy", "name": "proxy", "type": "address" } ], "name": "getProxyAdmin", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "contract AdminUpgradeabilityProxy", "name": "proxy", "type": "address" } ], "name": "getProxyImplementation", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "isOwner", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "contract AdminUpgradeabilityProxy", "name": "proxy", "type": "address" }, { "internalType": "address", "name": "implementation", "type": "address" } ], "name": "upgrade", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "contract AdminUpgradeabilityProxy", "name": "proxy", "type": "address" }, { "internalType": "address", "name": "implementation", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "upgradeAndCall", "outputs": [], "stateMutability": "payable", "type": "function" } ], "ast": { "absolutePath": "contracts/upgradeability/ProxyAdmin.sol", "exportedSymbols": { "ProxyAdmin": [ 6388 ] }, "id": 6389, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 6259, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:40" }, { "absolutePath": "contracts/ownership/Ownable.sol", "file": "../ownership/Ownable.sol", "id": 6260, "nodeType": "ImportDirective", "scope": 6389, "sourceUnit": 5785, "src": "57:34:40", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "contracts/upgradeability/AdminUpgradeabilityProxy.sol", "file": "./AdminUpgradeabilityProxy.sol", "id": 6261, "nodeType": "ImportDirective", "scope": 6389, "sourceUnit": 5850, "src": "92:40:40", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 6263, "name": "OpenZeppelinUpgradesOwnable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5784, "src": "314:27:40", "typeDescriptions": { "typeIdentifier": "t_contract$_OpenZeppelinUpgradesOwnable_$5784", "typeString": "contract OpenZeppelinUpgradesOwnable" } }, "id": 6264, "nodeType": "InheritanceSpecifier", "src": "314:27:40" } ], "contractDependencies": [ 5784 ], "contractKind": "contract", "documentation": { "id": 6262, "nodeType": "StructuredDocumentation", "src": "134:156:40", "text": " @title ProxyAdmin\n @dev This contract is the admin of a proxy, and is in charge\n of upgrading it as well as transferring it to another admin." }, "fullyImplemented": true, "id": 6388, "linearizedBaseContracts": [ 6388, 5784 ], "name": "ProxyAdmin", "nodeType": 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