{ "contractName": "KernelProxy", "abi": [ { "constant": true, "inputs": [ { "name": "", "type": "bytes32" }, { "name": "", "type": "bytes32" } ], "name": "apps", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "isDepositable", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "recoveryVaultAppId", "outputs": [ { "name": "", "type": "bytes32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [ { "name": "_kernelImpl", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "payable": true, "stateMutability": "payable", "type": "fallback" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "sender", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "ProxyDeposit", "type": "event" }, { "constant": true, "inputs": [], "name": "proxyType", "outputs": [ { "name": "proxyTypeId", "type": "uint256" } ], "payable": false, "stateMutability": "pure", "type": "function" }, { "constant": true, "inputs": [], "name": "implementation", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "bytecode": 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"source": "pragma solidity 0.4.24;\n\nimport \"./IKernel.sol\";\nimport \"./KernelConstants.sol\";\nimport \"./KernelStorage.sol\";\nimport \"../common/DepositableDelegateProxy.sol\";\nimport \"../common/IsContract.sol\";\n\n\ncontract KernelProxy is KernelStorage, KernelAppIds, KernelNamespaceConstants, IsContract, DepositableDelegateProxy {\n /**\n * @dev KernelProxy is a proxy contract to a kernel implementation. The implementation\n * can update the reference, which effectively upgrades the contract\n * @param _kernelImpl Address of the contract used as implementation for kernel\n */\n constructor(IKernel _kernelImpl) public {\n require(isContract(address(_kernelImpl)));\n apps[KERNEL_CORE_NAMESPACE][KERNEL_CORE_APP_ID] = _kernelImpl;\n }\n\n /**\n * @dev ERC897, whether it is a forwarding (1) or an upgradeable (2) proxy\n */\n function proxyType() public pure returns (uint256 proxyTypeId) {\n return UPGRADEABLE;\n }\n\n /**\n * @dev ERC897, the address the proxy would delegate calls to\n */\n function implementation() public view returns (address) {\n return apps[KERNEL_CORE_NAMESPACE][KERNEL_CORE_APP_ID];\n }\n}\n", "sourcePath": "@aragon/os/contracts/kernel/KernelProxy.sol", "ast": { "absolutePath": "@aragon/os/contracts/kernel/KernelProxy.sol", "exportedSymbols": { "KernelProxy": [ 10829 ] }, "id": 10830, "nodeType": "SourceUnit", "nodes": [ { "id": 10771, "literals": [ "solidity", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:23:46" }, { "absolutePath": "@aragon/os/contracts/kernel/IKernel.sol", "file": "./IKernel.sol", "id": 10772, "nodeType": "ImportDirective", "scope": 10830, "sourceUnit": 10249, "src": "25:23:46", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@aragon/os/contracts/kernel/KernelConstants.sol", "file": "./KernelConstants.sol", "id": 10773, "nodeType": "ImportDirective", "scope": 10830, "sourceUnit": 10770, "src": "49:31:46", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@aragon/os/contracts/kernel/KernelStorage.sol", "file": "./KernelStorage.sol", "id": 10774, "nodeType": "ImportDirective", "scope": 10830, "sourceUnit": 10841, "src": "81:29:46", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@aragon/os/contracts/common/DepositableDelegateProxy.sol", "file": "../common/DepositableDelegateProxy.sol", "id": 10775, "nodeType": "ImportDirective", "scope": 10830, "sourceUnit": 8582, "src": "111:48:46", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@aragon/os/contracts/common/IsContract.sol", "file": "../common/IsContract.sol", "id": 10776, "nodeType": "ImportDirective", "scope": 10830, "sourceUnit": 8790, "src": "160:34:46", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10777, "name": "KernelStorage", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10840, "src": "221:13:46", "typeDescriptions": { "typeIdentifier": "t_contract$_KernelStorage_$10840", "typeString": "contract KernelStorage" } }, "id": 10778, "nodeType": "InheritanceSpecifier", "src": "221:13:46" }, { "arguments": null, "baseName": { "contractScope": null, "id": 10779, "name": "KernelAppIds", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10759, "src": "236:12:46", "typeDescriptions": { "typeIdentifier": "t_contract$_KernelAppIds_$10759", "typeString": "contract KernelAppIds" } }, "id": 10780, "nodeType": "InheritanceSpecifier", "src": "236:12:46" }, { "arguments": null, "baseName": { "contractScope": null, "id": 10781, "name": "KernelNamespaceConstants", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10769, "src": "250:24:46", "typeDescriptions": { "typeIdentifier": "t_contract$_KernelNamespaceConstants_$10769", "typeString": "contract KernelNamespaceConstants" } }, "id": 10782, "nodeType": "InheritanceSpecifier", "src": "250:24:46" }, { "arguments": null, "baseName": { "contractScope": null, "id": 10783, "name": "IsContract", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 8789, "src": "276:10:46", "typeDescriptions": { "typeIdentifier": "t_contract$_IsContract_$8789", "typeString": "contract IsContract" } }, "id": 10784, "nodeType": "InheritanceSpecifier", "src": "276:10:46" }, { "arguments": null, "baseName": { "contractScope": null, "id": 10785, "name": "DepositableDelegateProxy", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 8581, "src": "288:24:46", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositableDelegateProxy_$8581", "typeString": "contract DepositableDelegateProxy" } }, "id": 10786, "nodeType": "InheritanceSpecifier", "src": "288:24:46" } ], "contractDependencies": [ 8519, 8581, 8613, 8789, 10759, 10769, 10840, 11872 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 10829, "linearizedBaseContracts": [ 10829, 8581, 8519, 8789, 11872, 8613, 10769, 10759, 10840 ], "name": "KernelProxy", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 10807, "nodeType": "Block", "src": "624:129:46", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10794, "name": "_kernelImpl", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10788, "src": "661:11:46", "typeDescriptions": { "typeIdentifier": "t_contract$_IKernel_$10248", "typeString": "contract IKernel" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IKernel_$10248", "typeString": "contract IKernel" } ], "id": 10793, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "653:7:46", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10795, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "653:20:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10792, "name": "isContract", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8788, "src": "642:10:46", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$returns$_t_bool_$", "typeString": "function (address) view returns (bool)" } }, "id": 10796, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "642:32:46", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 10791, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 12673, 12674 ], "referencedDeclaration": 12673, "src": "634:7:46", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 10797, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "634:41:46", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10798, "nodeType": "ExpressionStatement", "src": "634:41:46" }, { "expression": { "argumentTypes": null, "id": 10805, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 10799, "name": "apps", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10837, "src": "685:4:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_mapping$_t_bytes32_$_t_address_$_$", "typeString": "mapping(bytes32 => mapping(bytes32 => address))" } }, "id": 10802, "indexExpression": { "argumentTypes": null, "id": 10800, "name": "KERNEL_CORE_NAMESPACE", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10762, "src": "690:21:46", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "685:27:46", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_address_$", "typeString": "mapping(bytes32 => address)" } }, "id": 10803, "indexExpression": { "argumentTypes": null, "id": 10801, "name": "KERNEL_CORE_APP_ID", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10752, "src": "713:18:46", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "685:47:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 10804, "name": "_kernelImpl", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10788, "src": "735:11:46", "typeDescriptions": { "typeIdentifier": "t_contract$_IKernel_$10248", "typeString": "contract IKernel" } }, "src": "685:61:46", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10806, "nodeType": "ExpressionStatement", "src": "685:61:46" } ] }, "documentation": "@dev KernelProxy is a proxy contract to a kernel implementation. The implementation\n can update the reference, which effectively upgrades the contract\n@param _kernelImpl Address of the contract used as implementation for kernel", "id": 10808, "implemented": true, "isConstructor": true, "isDeclaredConst": false, "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 10789, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10788, "name": "_kernelImpl", "nodeType": "VariableDeclaration", "scope": 10808, "src": "596:19:46", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IKernel_$10248", "typeString": "contract IKernel" }, "typeName": { "contractScope": null, "id": 10787, "name": "IKernel", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10248, "src": "596:7:46", "typeDescriptions": { "typeIdentifier": "t_contract$_IKernel_$10248", "typeString": "contract IKernel" } }, "value": null, "visibility": "internal" } ], "src": 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