{ "contractName": "ContractResolver", "abi": [ { "constant": false, "inputs": [ { "name": "_new_owner", "type": "address" } ], "name": "change_owner", "outputs": [ { "name": "_success", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "new_owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "locked_forever", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "claim_ownership", "outputs": [ { "name": "_success", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "constant": false, "inputs": [ { "name": "_key", "type": "bytes32" }, { "name": "_contract_address", "type": "address" } ], "name": "init_register_contract", "outputs": [ { "name": "_success", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "lock_resolver_forever", "outputs": [ { "name": "_success", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "_key", "type": "bytes32" } ], "name": "get_contract", "outputs": [ { "name": "_contract", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "bytecode": 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"source": "pragma solidity ^0.4.25;\n\nimport \"./ACOwned.sol\";\nimport \"./Constants.sol\";\n\n/// @title Contract Name Registry\n/// @author DigixGlobal\n\ncontract ContractResolver is ACOwned, Constants {\n\n mapping (bytes32 => address) contracts;\n bool public locked_forever;\n\n modifier unless_registered(bytes32 _key) {\n require(contracts[_key] == NULL_ADDRESS);\n _;\n }\n\n modifier if_owner_origin() {\n require(tx.origin == owner);\n _;\n }\n\n /// Function modifier to check if msg.sender corresponds to the resolved address of a given key\n /// @param _contract The resolver key\n modifier if_sender_is(bytes32 _contract) {\n require(msg.sender == get_contract(_contract));\n _;\n }\n\n modifier if_not_locked() {\n require(locked_forever == false);\n _;\n }\n\n /// @dev ContractResolver constructor will perform the following: 1. Set msg.sender as the contract owner.\n constructor() public\n {\n require(init_ac_owned());\n locked_forever = false;\n }\n\n /// @dev Called at contract initialization\n /// @param _key bytestring for CACP name\n /// @param _contract_address The address of the contract to be registered\n /// @return _success if the operation is successful\n function init_register_contract(bytes32 _key, address _contract_address)\n if_owner_origin()\n if_not_locked()\n unless_registered(_key)\n public\n returns (bool _success)\n {\n require(_contract_address != NULL_ADDRESS);\n contracts[_key] = _contract_address;\n _success = true;\n }\n\n /// @dev Lock the resolver from any further modifications. This can only be called from the owner\n /// @return _success if the operation is successful\n function lock_resolver_forever()\n if_owner\n public\n returns (bool _success)\n {\n locked_forever = true;\n _success = true;\n }\n\n /// @dev Get address of a contract\n /// @param _key the bytestring name of the contract to look up\n /// @return _contract the address of the contract\n function get_contract(bytes32 _key)\n public\n view\n returns (address _contract)\n {\n require(contracts[_key] != NULL_ADDRESS);\n _contract = contracts[_key];\n }\n\n}\n", "sourcePath": "@digix/cacp-contracts-dao/contracts/ContractResolver.sol", "ast": { "absolutePath": "@digix/cacp-contracts-dao/contracts/ContractResolver.sol", "exportedSymbols": { "ContractResolver": [ 18419 ] }, "id": 18420, "nodeType": "SourceUnit", "nodes": [ { "id": 18272, "literals": [ "solidity", "^", "0.4", ".25" ], "nodeType": "PragmaDirective", "src": "0:24:66" }, { "absolutePath": "@digix/cacp-contracts-dao/contracts/ACOwned.sol", "file": "./ACOwned.sol", "id": 18273, "nodeType": "ImportDirective", "scope": 18420, "sourceUnit": 18253, "src": "26:23:66", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@digix/cacp-contracts-dao/contracts/Constants.sol", "file": "./Constants.sol", "id": 18274, "nodeType": "ImportDirective", "scope": 18420, "sourceUnit": 18271, "src": "50:25:66", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 18275, "name": "ACOwned", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18252, "src": "165:7:66", "typeDescriptions": { "typeIdentifier": "t_contract$_ACOwned_$18252", "typeString": "contract ACOwned" } }, "id": 18276, "nodeType": "InheritanceSpecifier", "src": "165:7:66" }, { "arguments": null, "baseName": { "contractScope": null, "id": 18277, "name": "Constants", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18270, "src": "174:9:66", "typeDescriptions": { "typeIdentifier": "t_contract$_Constants_$18270", "typeString": "contract Constants" } }, "id": 18278, "nodeType": "InheritanceSpecifier", "src": "174:9:66" } ], "contractDependencies": [ 18252, 18270 ], "contractKind": "contract", "documentation": "@title Contract Name Registry\n @author DigixGlobal", "fullyImplemented": true, "id": 18419, "linearizedBaseContracts": [ 18419, 18270, 18252 ], "name": "ContractResolver", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 18282, "name": "contracts", "nodeType": "VariableDeclaration", "scope": 18419, "src": "189:38:66", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_address_$", "typeString": "mapping(bytes32 => address)" }, "typeName": { "id": 18281, "keyType": { "id": 18279, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "198:7:66", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Mapping", "src": "189:28:66", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_address_$", "typeString": "mapping(bytes32 => address)" }, "valueType": { "id": 18280, "name": "address", "nodeType": "ElementaryTypeName", "src": "209:7:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 18284, "name": "locked_forever", "nodeType": "VariableDeclaration", "scope": 18419, "src": "231:26:66", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 18283, "name": "bool", "nodeType": "ElementaryTypeName", "src": "231:4:66", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "public" }, { "body": { "id": 18297, "nodeType": "Block", "src": "303:58:66", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 18293, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 18289, "name": "contracts", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18282, "src": "317:9:66", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_address_$", "typeString": "mapping(bytes32 => address)" } }, "id": 18291, "indexExpression": { "argumentTypes": null, "id": 18290, "name": "_key", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18286, "src": "327:4:66", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "317:15:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 18292, "name": "NULL_ADDRESS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18259, "src": "336:12:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "317:31:66", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 18288, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 26185, 26186 ], "referencedDeclaration": 26185, "src": "309:7:66", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 18294, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "309:40:66", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 18295, "nodeType": "ExpressionStatement", "src": "309:40:66" }, { "id": 18296, "nodeType": "PlaceholderStatement", "src": "355:1:66" } ] }, "documentation": null, "id": 18298, "name": "unless_registered", "nodeType": "ModifierDefinition", "parameters": { "id": 18287, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 18286, "name": "_key", "nodeType": "VariableDeclaration", "scope": 18298, "src": "289:12:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 18285, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "289:7:66", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "src": "288:14:66" }, "src": "262:99:66", "visibility": "internal" }, { "body": 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This can only be called from the owner\n @return _success if the operation is successful", "id": 18396, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 18383, "modifierName": { "argumentTypes": null, "id": 18382, "name": "if_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18174, "src": "1721:8:66", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1721:8:66" } ], "name": "lock_resolver_forever", "nodeType": "FunctionDefinition", "parameters": { "id": 18381, "nodeType": "ParameterList", "parameters": [], "src": "1707:2:66" }, "payable": false, "returnParameters": { "id": 18386, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 18385, "name": "_success", "nodeType": "VariableDeclaration", "scope": 18396, "src": "1768:13:66", "stateVariable": false, "storageLocation": "default", 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"typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_address_$", "typeString": "mapping(bytes32 => address)" } }, "id": 18406, "indexExpression": { "argumentTypes": null, "id": 18405, "name": "_key", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18398, "src": "2131:4:66", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2121:15:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 18407, "name": "NULL_ADDRESS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18259, "src": "2140:12:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2121:31:66", "typeDescriptions": { "typeIdentifier": 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