{ "contractName": "StateChannelModule", "abi": [ { "constant": true, "inputs": [], "name": "manager", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_masterCopy", "type": "address" } ], "name": "changeMasterCopy", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "NAME", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "bytes32" } ], "name": "isExecuted", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "VERSION", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], 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"source": "pragma solidity 0.4.24;\nimport \"../Module.sol\";\nimport \"../OwnerManager.sol\";\nimport \"../SignatureValidator.sol\";\n\n\n/// @title Gnosis Safe State Module - A module that allows interaction with statechannels.\n/// @author Stefan George - \n/// @author Richard Meissner - \ncontract StateChannelModule is Module, SignatureValidator {\n\n string public constant NAME = \"State Channel Module\";\n string public constant VERSION = \"0.0.1\";\n\n // isExecuted mapping allows to check if a transaction (by hash) was already executed.\n mapping (bytes32 => uint256) public isExecuted;\n\n /// @dev Setup function sets manager\n function setup()\n public\n {\n setManager();\n }\n\n /// @dev Allows to execute a Safe transaction confirmed by required number of owners.\n /// @param to Destination address of Safe transaction.\n /// @param value Ether value of Safe transaction.\n /// @param data Data payload of Safe transaction.\n /// @param operation Operation type of Safe transaction.\n /// @param nonce Nonce used for this Safe transaction.\n /// @param signatures Packed signature data ({bytes32 r}{bytes32 s}{uint8 v})\n function execTransaction(\n address to, \n uint256 value, \n bytes data, \n Enum.Operation operation, \n uint256 nonce,\n bytes signatures\n )\n public\n {\n bytes32 transactionHash = getTransactionHash(to, value, data, operation, nonce);\n require(isExecuted[transactionHash] == 0, \"Transaction already executed\");\n checkHash(transactionHash, signatures);\n // Mark as executed and execute transaction.\n isExecuted[transactionHash] = 1;\n require(manager.execTransactionFromModule(to, value, data, operation), \"Could not execute transaction\");\n }\n\n function checkHash(bytes32 transactionHash, bytes signatures)\n internal\n view\n {\n // There cannot be an owner with address 0.\n address lastOwner = address(0);\n address currentOwner;\n uint256 i;\n uint256 threshold = OwnerManager(manager).getThreshold();\n // Validate threshold is reached.\n for (i = 0; i < threshold; i++) {\n currentOwner = recoverKey(transactionHash, signatures, i);\n require(OwnerManager(manager).isOwner(currentOwner), \"Signature not provided by owner\");\n require(currentOwner > lastOwner, \"Signatures are not ordered by owner address\");\n lastOwner = currentOwner;\n }\n }\n\n /// @dev Returns hash to be signed by owners.\n /// @param to Destination address.\n /// @param value Ether value.\n /// @param data Data payload.\n /// @param operation Operation type.\n /// @param nonce Transaction nonce.\n /// @return Transaction hash.\n function getTransactionHash(\n address to, \n uint256 value, \n bytes data, \n Enum.Operation operation, \n uint256 nonce\n )\n public\n view\n returns (bytes32)\n {\n return keccak256(abi.encodePacked(byte(0x19), byte(0), this, to, value, data, operation, nonce));\n }\n}\n", "sourcePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/modules/StateChannelModule.sol", "ast": { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/modules/StateChannelModule.sol", "exportedSymbols": { "StateChannelModule": [ 2490 ] }, "id": 2491, "nodeType": "SourceUnit", "nodes": [ { "id": 2305, "literals": [ "solidity", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:23:20" }, { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/Module.sol", "file": "../Module.sol", "id": 2306, "nodeType": "ImportDirective", "scope": 2491, "sourceUnit": 733, "src": "24:23:20", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/OwnerManager.sol", "file": "../OwnerManager.sol", "id": 2307, "nodeType": "ImportDirective", "scope": 2491, "sourceUnit": 1512, "src": "48:29:20", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/apanizo/git/gnosis/safe-contracts/contracts/SignatureValidator.sol", "file": "../SignatureValidator.sol", "id": 2308, "nodeType": "ImportDirective", "scope": 2491, "sourceUnit": 1745, "src": "78:35:20", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2309, "name": "Module", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 732, "src": "336:6:20", "typeDescriptions": { "typeIdentifier": "t_contract$_Module_$732", "typeString": "contract Module" } }, "id": 2310, "nodeType": "InheritanceSpecifier", "src": "336:6:20" }, { "arguments": null, "baseName": { "contractScope": null, "id": 2311, "name": "SignatureValidator", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1744, "src": "344:18:20", "typeDescriptions": { "typeIdentifier": "t_contract$_SignatureValidator_$1744", "typeString": "contract SignatureValidator" } }, "id": 2312, "nodeType": "InheritanceSpecifier", "src": "344:18:20" } ], "contractDependencies": [ 632, 732, 1688, 1744 ], "contractKind": "contract", "documentation": "@title Gnosis Safe State Module - A module that allows interaction with statechannels.\n @author Stefan George - \n @author Richard Meissner - ", "fullyImplemented": true, "id": 2490, "linearizedBaseContracts": [ 2490, 1744, 732, 632, 1688 ], "name": "StateChannelModule", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 2315, "name": "NAME", "nodeType": "VariableDeclaration", "scope": 2490, "src": "370:52:20", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string" }, "typeName": { "id": 2313, "name": "string", "nodeType": "ElementaryTypeName", "src": "370:6:20", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "argumentTypes": null, "hexValue": "5374617465204368616e6e656c204d6f64756c65", "id": 2314, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "400:22:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_e66fa361bdba11103aaf2321b03707a79b393abf1f410f3f609398777fd3a713", "typeString": "literal_string \"State Channel Module\"" }, "value": "State Channel Module" }, "visibility": "public" }, { "constant": true, "id": 2318, "name": "VERSION", "nodeType": "VariableDeclaration", "scope": 2490, "src": "428:40:20", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_memory", "typeString": "string" }, "typeName": { "id": 2316, "name": "string", "nodeType": "ElementaryTypeName", "src": "428:6:20", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "argumentTypes": null, "hexValue": "302e302e31", "id": 2317, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "461:7:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_ae209a0b48f21c054280f2455d32cf309387644879d9acbd8ffc199163811885", "typeString": "literal_string \"0.0.1\"" }, "value": "0.0.1" }, "visibility": "public" }, { "constant": false, "id": 2322, "name": "isExecuted", "nodeType": "VariableDeclaration", "scope": 2490, "src": "566:46:20", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$", "typeString": "mapping(bytes32 => uint256)" }, "typeName": { "id": 2321, "keyType": { "id": 2319, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "575:7:20", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Mapping", "src": "566:28:20", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$", "typeString": "mapping(bytes32 => uint256)" }, "valueType": { "id": 2320, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "586:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "value": null, "visibility": "public" }, { "body": { "id": 2328, "nodeType": "Block", "src": "696:29:20", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2325, "name": "setManager", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 731, "src": "706:10:20", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 2326, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "706:12:20", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2327, "nodeType": "ExpressionStatement", "src": "706:12:20" } ] }, "documentation": "@dev Setup function sets manager", "id": 2329, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "setup", "nodeType": "FunctionDefinition", "parameters": { "id": 2323, "nodeType": "ParameterList", "parameters": [], "src": "674:2:20" }, "payable": false, "returnParameters": { "id": 2324, "nodeType": "ParameterList", "parameters": [], "src": "696:0:20" }, "scope": 2490, "src": "660:65:20", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 2385, "nodeType": "Block", "src": "1390:434:20", "statements": [ { "assignments": [ 2345 ], "declarations": [ { "constant": false, "id": 2345, "name": "transactionHash", "nodeType": "VariableDeclaration", "scope": 2386, "src": "1400:23:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 2344, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1400:7:20", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "id": 2353, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2347, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2331, "src": "1445:2:20", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2348, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2333, "src": "1449:5:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2349, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2335, "src": "1456:4:20", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "id": 2350, "name": "operation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2337, "src": 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"typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "1497:32:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "5472616e73616374696f6e20616c7265616479206578656375746564", "id": 2360, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1531:30:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_3c3f7cf602281cf7a98efd78d98ba46309975dadee18bcb57e640145699bd800", "typeString": "literal_string \"Transaction already executed\"" }, "value": "Transaction already executed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_3c3f7cf602281cf7a98efd78d98ba46309975dadee18bcb57e640145699bd800", "typeString": "literal_string \"Transaction already executed\"" } ], "id": 2354, "name": "require", 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"nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "31", "id": 2371, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1703:1:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "1673:31:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2373, "nodeType": "ExpressionStatement", "src": "1673:31:20" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2377, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2331, "src": "1756:2:20", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2378, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2333, "src": "1760:5:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2379, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2335, "src": "1767:4:20", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "id": 2380, "name": "operation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2337, "src": "1773:9:20", "typeDescriptions": { "typeIdentifier": "t_enum$_Operation_$29", "typeString": "enum Enum.Operation" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_enum$_Operation_$29", "typeString": "enum Enum.Operation" } ], "expression": { "argumentTypes": null, "id": 2375, "name": "manager", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 697, "src": "1722:7:20", "typeDescriptions": { "typeIdentifier": "t_contract$_ModuleManager_$1103", "typeString": "contract ModuleManager" } }, "id": 2376, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "execTransactionFromModule", "nodeType": "MemberAccess", "referencedDeclaration": 930, "src": "1722:33:20", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$_t_bytes_memory_ptr_$_t_enum$_Operation_$29_$returns$_t_bool_$", "typeString": "function (address,uint256,bytes memory,enum Enum.Operation) external returns (bool)" } }, "id": 2381, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1722:61:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "436f756c64206e6f742065786563757465207472616e73616374696f6e", "id": 2382, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1785:31:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_b0a2f29e31cc28eee068c27ff93342fb8d9840dcad25c6f669ce8154844930c4", "typeString": "literal_string \"Could not execute transaction\"" }, "value": "Could not execute transaction" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b0a2f29e31cc28eee068c27ff93342fb8d9840dcad25c6f669ce8154844930c4", "typeString": "literal_string \"Could not execute transaction\"" } ], "id": 2374, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 2662, 2663 ], "referencedDeclaration": 2663, "src": "1714:7:20", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2383, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1714:103:20", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2384, "nodeType": "ExpressionStatement", "src": "1714:103:20" } ] }, "documentation": "@dev Allows to execute a Safe transaction confirmed by required number of owners.\n @param to Destination address of Safe transaction.\n @param value Ether value of Safe transaction.\n @param data Data payload of Safe transaction.\n @param operation Operation type of Safe transaction.\n @param nonce Nonce used for this Safe transaction.\n @param signatures Packed signature data ({bytes32 r}{bytes32 s}{uint8 v})", "id": 2386, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "execTransaction", "nodeType": "FunctionDefinition", "parameters": { "id": 2342, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2331, "name": "to", "nodeType": "VariableDeclaration", "scope": 2386, "src": "1224:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2330, "name": "address", "nodeType": "ElementaryTypeName", "src": "1224:7:20", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2333, "name": "value", "nodeType": "VariableDeclaration", "scope": 2386, "src": "1245:13:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2332, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1245:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2335, "name": "data", "nodeType": "VariableDeclaration", "scope": 2386, "src": "1269:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 2334, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1269:5:20", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2337, "name": "operation", "nodeType": "VariableDeclaration", "scope": 2386, "src": "1290:24:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_enum$_Operation_$29", "typeString": "enum Enum.Operation" }, "typeName": { "contractScope": null, "id": 2336, "name": "Enum.Operation", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 29, "src": "1290:14:20", "typeDescriptions": { "typeIdentifier": "t_enum$_Operation_$29", "typeString": "enum Enum.Operation" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2339, "name": "nonce", "nodeType": "VariableDeclaration", "scope": 2386, "src": "1325:13:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2338, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1325:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2341, "name": "signatures", "nodeType": "VariableDeclaration", "scope": 2386, "src": "1348:16:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 2340, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1348:5:20", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "1214:156:20" }, "payable": false, "returnParameters": { "id": 2343, "nodeType": "ParameterList", "parameters": [], "src": "1390:0:20" }, "scope": 2490, "src": "1190:634:20", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 2454, "nodeType": "Block", "src": "1926:612:20", "statements": [ { "assignments": [ 2394 ], "declarations": [ { "constant": false, "id": 2394, "name": "lastOwner", "nodeType": "VariableDeclaration", "scope": 2455, "src": "1988:17:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2393, "name": "address", "nodeType": "ElementaryTypeName", "src": "1988:7:20", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 2398, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2396, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2016:1:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 2395, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2008:7:20", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 2397, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2008:10:20", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "1988:30:20" }, { "assignments": [], "declarations": [ { "constant": false, "id": 2400, "name": "currentOwner", "nodeType": "VariableDeclaration", "scope": 2455, "src": "2028:20:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2399, "name": "address", "nodeType": "ElementaryTypeName", "src": "2028:7:20", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 2401, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "2028:20:20" }, { "assignments": [], "declarations": [ { "constant": false, "id": 2403, "name": "i", "nodeType": "VariableDeclaration", "scope": 2455, "src": "2058:9:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2402, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2058:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2404, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "2058:9:20" }, { "assignments": [ 2406 ], "declarations": [ { "constant": false, "id": 2406, "name": "threshold", "nodeType": "VariableDeclaration", "scope": 2455, "src": "2077:17:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2405, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2077:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2412, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2408, "name": "manager", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 697, "src": "2110:7:20", "typeDescriptions": { "typeIdentifier": "t_contract$_ModuleManager_$1103", "typeString": "contract ModuleManager" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_ModuleManager_$1103", "typeString": "contract ModuleManager" } ], "id": 2407, "name": "OwnerManager", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1511, "src": "2097:12:20", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_OwnerManager_$1511_$", "typeString": "type(contract OwnerManager)" } }, "id": 2409, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2097:21:20", "typeDescriptions": { "typeIdentifier": "t_contract$_OwnerManager_$1511", "typeString": "contract OwnerManager" } }, "id": 2410, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "getThreshold", "nodeType": "MemberAccess", "referencedDeclaration": 1447, "src": "2097:34:20", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_uint256_$", "typeString": "function () view external returns (uint256)" } }, "id": 2411, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2097:36:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "2077:56:20" }, { "body": { "id": 2452, "nodeType": "Block", "src": "2217:315:20", "statements": [ { "expression": { "argumentTypes": null, "id": 2429, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2423, "name": "currentOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2400, "src": "2231:12:20", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2425, "name": "transactionHash", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2388, "src": "2257:15:20", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "argumentTypes": null, "id": 2426, "name": "signatures", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2390, "src": "2274:10:20", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "id": 2427, "name": 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