{ "contractName": "AppProxyBase", "abi": [ { "constant": true, "inputs": [], "name": "proxyType", "outputs": [ { "name": "proxyTypeId", "type": "uint256" } ], "payable": false, "stateMutability": "pure", "type": "function" }, { "constant": true, "inputs": [], "name": "isDepositable", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "implementation", "outputs": [ { "name": "codeAddr", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "appId", "outputs": [ { "name": "", "type": "bytes32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "kernel", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [ { "name": "_kernel", "type": "address" }, { "name": "_appId", "type": "bytes32" }, { "name": "_initializePayload", "type": "bytes" } ], "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" } ], "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity 0.4.24;\n\nimport \"./AppStorage.sol\";\nimport \"../common/DepositableDelegateProxy.sol\";\nimport \"../kernel/KernelConstants.sol\";\nimport \"../kernel/IKernel.sol\";\n\n\ncontract AppProxyBase is AppStorage, DepositableDelegateProxy, KernelNamespaceConstants {\n /**\n * @dev Initialize AppProxy\n * @param _kernel Reference to organization kernel for the app\n * @param _appId Identifier for app\n * @param _initializePayload Payload for call to be made after setup to initialize\n */\n constructor(IKernel _kernel, bytes32 _appId, bytes _initializePayload) public {\n setKernel(_kernel);\n setAppId(_appId);\n\n // Implicit check that kernel is actually a Kernel\n // The EVM doesn't actually provide a way for us to make sure, but we can force a revert to\n // occur if the kernel is set to 0x0 or a non-code address when we try to call a method on\n // it.\n address appCode = getAppBase(_appId);\n\n // If initialize payload is provided, it will be executed\n if (_initializePayload.length > 0) {\n require(isContract(appCode));\n // Cannot make delegatecall as a delegateproxy.delegatedFwd as it\n // returns ending execution context and halts contract deployment\n require(appCode.delegatecall(_initializePayload));\n }\n }\n\n function getAppBase(bytes32 _appId) internal view returns (address) {\n return kernel().getApp(KERNEL_APP_BASES_NAMESPACE, _appId);\n }\n}\n", "sourcePath": "@aragon/os/contracts/apps/AppProxyBase.sol", "ast": { "absolutePath": "@aragon/os/contracts/apps/AppProxyBase.sol", "exportedSymbols": { "AppProxyBase": [ 8162 ] }, "id": 8163, "nodeType": "SourceUnit", "nodes": [ { "id": 8093, "literals": [ "solidity", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:23:14" }, { "absolutePath": "@aragon/os/contracts/apps/AppStorage.sol", "file": "./AppStorage.sol", "id": 8094, "nodeType": "ImportDirective", "scope": 8163, "sourceUnit": 8348, "src": "25:26:14", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@aragon/os/contracts/common/DepositableDelegateProxy.sol", "file": "../common/DepositableDelegateProxy.sol", "id": 8095, "nodeType": "ImportDirective", "scope": 8163, "sourceUnit": 8582, "src": "52:48:14", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@aragon/os/contracts/kernel/KernelConstants.sol", "file": "../kernel/KernelConstants.sol", "id": 8096, "nodeType": "ImportDirective", "scope": 8163, "sourceUnit": 10770, "src": "101:39:14", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@aragon/os/contracts/kernel/IKernel.sol", "file": "../kernel/IKernel.sol", "id": 8097, "nodeType": "ImportDirective", "scope": 8163, "sourceUnit": 10249, "src": "141:31:14", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 8098, "name": "AppStorage", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 8347, "src": "200:10:14", "typeDescriptions": { "typeIdentifier": "t_contract$_AppStorage_$8347", "typeString": "contract AppStorage" } }, "id": 8099, "nodeType": "InheritanceSpecifier", "src": "200:10:14" }, { "arguments": null, "baseName": { "contractScope": null, "id": 8100, "name": "DepositableDelegateProxy", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 8581, "src": "212:24:14", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositableDelegateProxy_$8581", "typeString": "contract DepositableDelegateProxy" } }, "id": 8101, "nodeType": "InheritanceSpecifier", "src": "212:24:14" }, { "arguments": null, "baseName": { "contractScope": null, "id": 8102, "name": "KernelNamespaceConstants", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10769, "src": "238:24:14", "typeDescriptions": { "typeIdentifier": "t_contract$_KernelNamespaceConstants_$10769", "typeString": "contract KernelNamespaceConstants" } }, "id": 8103, "nodeType": "InheritanceSpecifier", "src": "238:24:14" } ], "contractDependencies": [ 8347, 8519, 8581, 8613, 8789, 10769, 11872 ], "contractKind": "contract", "documentation": null, "fullyImplemented": false, "id": 8162, "linearizedBaseContracts": [ 8162, 10769, 8581, 8519, 8789, 11872, 8613, 8347 ], "name": "AppProxyBase", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 8145, "nodeType": "Block", "src": "584:764:14", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8113, "name": "_kernel", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8105, "src": "604:7:14", "typeDescriptions": { "typeIdentifier": "t_contract$_IKernel_$10248", "typeString": "contract IKernel" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IKernel_$10248", "typeString": "contract IKernel" } ], "id": 8112, "name": "setKernel", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8334, "src": "594:9:14", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_contract$_IKernel_$10248_$returns$__$", "typeString": "function (contract IKernel)" } }, "id": 8114, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "594:18:14", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8115, "nodeType": "ExpressionStatement", "src": "594:18:14" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8117, "name": "_appId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8107, "src": "631:6:14", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "id": 8116, "name": "setAppId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8346, "src": "622:8:14", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_bytes32_$returns$__$", "typeString": "function (bytes32)" } }, "id": 8118, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "622:16:14", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8119, "nodeType": "ExpressionStatement", "src": "622:16:14" }, { "assignments": [ 8121 ], "declarations": [ { "constant": false, "id": 8121, "name": "appCode", "nodeType": "VariableDeclaration", "scope": 8146, "src": "922:15:14", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8120, "name": "address", "nodeType": "ElementaryTypeName", "src": "922:7:14", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8125, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8123, "name": "_appId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8107, "src": "951:6:14", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "id": 8122, "name": "getAppBase", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8161, "src": "940:10:14", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_bytes32_$returns$_t_address_$", "typeString": "function (bytes32) view returns (address)" } }, "id": 8124, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "940:18:14", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "922:36:14" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8129, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 8126, "name": "_initializePayload", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8109, "src": "1039:18:14", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 8127, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1039:25:14", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 8128, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1067:1:14", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1039:29:14", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 8144, "nodeType": "IfStatement", "src": "1035:307:14", "trueBody": { "id": 8143, "nodeType": "Block", "src": "1070:272:14", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8132, "name": "appCode", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8121, "src": "1103:7:14", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 8131, "name": "isContract", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8788, "src": "1092:10:14", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$returns$_t_bool_$", "typeString": "function (address) view returns (bool)" } }, "id": 8133, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1092:19:14", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 8130, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 12673, 12674 ], "referencedDeclaration": 12673, "src": "1084:7:14", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 8134, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1084:28:14", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8135, "nodeType": "ExpressionStatement", "src": "1084:28:14" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8139, "name": "_initializePayload", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8109, "src": "1311:18:14", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "id": 8137, "name": "appCode", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8121, "src": "1290:7:14", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 8138, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "delegatecall", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1290:20:14", "typeDescriptions": { "typeIdentifier": "t_function_baredelegatecall_nonpayable$__$returns$_t_bool_$", "typeString": "function () returns (bool)" } }, "id": 8140, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": 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