{ "contractName": "DataFeedOracleBase", "abi": [ { "constant": true, "inputs": [], "name": "dataSource", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "_result", "type": "bytes32" }, { "indexed": false, "name": "_date", "type": "uint256" }, { "indexed": false, "name": "_index", "type": "uint256" }, { "indexed": false, "name": "_sender", "type": "address" } ], "name": "ResultSet", "type": "event" }, { "constant": false, "inputs": [ { "name": "_dataSource", "type": "address" } ], "name": "initialize", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_result", "type": "bytes32" }, { "name": "_date", "type": "uint256" } ], "name": "setResult", "outputs": [ { "name": "index", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "totalResults", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_index", "type": "uint256" } ], "name": "resultByIndex", "outputs": [ { "name": "", "type": "bytes32" }, { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_date", "type": "uint256" } ], "name": "resultByDate", "outputs": [ { "name": "", "type": "bytes32" }, { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "latestResultDate", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "latestResult", "outputs": [ { "name": "", "type": "bytes32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_index", "type": "uint256" } ], "name": "indexHasResult", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_date", "type": "uint256" } ], "name": "dateHasResult", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "bytecode": 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"source": "pragma solidity ^0.4.24;\r\n\r\nimport \"./IDataFeedOracle.sol\";\r\nimport \"../Initializer.sol\";\r\n\r\n/**\r\n * @title DataFeedOracleBase\r\n * @dev Allows a data source address to set bytes32 result values by date. Result values\r\n * can be publicly read by date and by index.\r\n */\r\ncontract DataFeedOracleBase is Initializer, IDataFeedOracle {\r\n\r\n uint256[] dates;\r\n\r\n mapping(uint256 => bytes32) resultsByDate;\r\n\r\n mapping(uint256 => uint256) indicesByDate;\r\n\r\n address public dataSource;\r\n\r\n event ResultSet(bytes32 _result, uint256 _date, uint256 _index, address _sender);\r\n\r\n /**\r\n * @dev Throws if _date is not current or past.\r\n * @param _date Date to check against the `now` value.\r\n */\r\n modifier onlyBefore(uint256 _date) {\r\n require(_date <= now, \"Date cannot be in the future\");\r\n _;\r\n }\r\n\r\n /**\r\n * @dev Throws if the data source is not the caller.\r\n */\r\n modifier onlyDataSource() {\r\n require(msg.sender == dataSource, \"The caller is not the data source\");\r\n _;\r\n }\r\n\r\n /**\r\n * @dev Initializes DataFeedOracleBase.\r\n * @param _dataSource The address that is allowed to set results.\r\n */\r\n function initialize(address _dataSource) public initializer {\r\n require(_dataSource != address(0), \"_dataSource cannot be address(0)\");\r\n dataSource = _dataSource;\r\n dates.push(0); // The first valid result index starts at 1\r\n }\r\n\r\n /**\r\n * @dev Sets a bytes32 result for the given date.\r\n * @param _result The result being set.\r\n * @param _date The date for the result.\r\n * @return The index of the result.\r\n */\r\n function setResult(bytes32 _result, uint256 _date)\r\n public\r\n onlyDataSource()\r\n onlyBefore(_date)\r\n returns (uint256 index)\r\n {\r\n if (dates.length > 0) {\r\n require(_date > dates[totalResults()]);\r\n }\r\n _setResult(_result, _date);\r\n return totalResults();\r\n }\r\n\r\n /**\r\n * @return The total number of results that have been set.\r\n */\r\n function totalResults() public view returns (uint256) {\r\n return dates.length - 1;\r\n }\r\n\r\n /**\r\n * @dev Returns a result and a date, given an index. Throws if no result exists for\r\n * the given index.\r\n * @param _index The index of the result.\r\n * @return The result value and the date of the result.\r\n */\r\n function resultByIndex(uint256 _index) public view returns (bytes32, uint256) {\r\n require(indexHasResult(_index), \"No result set for _index\");\r\n return (resultsByDate[dates[_index]], dates[_index]);\r\n }\r\n\r\n /**\r\n * @dev Returns a result and an index, given a date. Throws if no result exists for\r\n * the given date.\r\n * @param _date The date of the result.\r\n * @return The result value and the index of the result.\r\n */\r\n function resultByDate(uint256 _date) public view returns (bytes32, uint256) {\r\n require(dateHasResult(_date), \"No result set for _date\");\r\n return (resultsByDate[_date], indicesByDate[_date]);\r\n }\r\n\r\n /**\r\n * @notice Throws if no results have been set.\r\n * @return The date of the last result that was set.\r\n */\r\n function latestResultDate()\r\n public view\r\n returns (uint256)\r\n {\r\n return (dates[totalResults()]);\r\n }\r\n\r\n /**\r\n * @notice Throws if no results have been set.\r\n * @return The last result that was set.\r\n */\r\n function latestResult()\r\n public view\r\n returns (bytes32)\r\n {\r\n return resultsByDate[dates[totalResults()]];\r\n }\r\n\r\n /**\r\n * @param _index The index of a result.\r\n * @return `true` if a result for the given index exists.\r\n */\r\n function indexHasResult(uint256 _index) public view returns (bool) {\r\n require(_index > 0, \"_index must be greater than 0\");\r\n return dates.length > _index;\r\n }\r\n\r\n /**\r\n * @param _date The date of the data feed\r\n * @return `true` if a result has been set for the given date.\r\n */\r\n function dateHasResult(uint256 _date) public view returns (bool) {\r\n return indicesByDate[_date] > 0;\r\n }\r\n\r\n /**\r\n * @dev Sets a bytes32 result value and a date for the result.\r\n * @param _result The result to set.\r\n * @param _date The date of the result.\r\n */\r\n function _setResult(bytes32 _result, uint256 _date) internal {\r\n resultsByDate[_date] = _result;\r\n dates.push(_date);\r\n indicesByDate[_date] = totalResults();\r\n\r\n _resultWasSet(_result, _date);\r\n\r\n emit ResultSet(_result, _date, totalResults(), msg.sender);\r\n }\r\n\r\n /**\r\n * @dev Unimplemented function meant to be overidden in subclasses.\r\n */\r\n function _resultWasSet(bytes32 /*_result*/, uint256 /*_date*/) internal {\r\n // optional override\r\n }\r\n\r\n}\r\n", "sourcePath": "tidbit/contracts/DataFeedOracles/DataFeedOracleBase.sol", "ast": { "absolutePath": "tidbit/contracts/DataFeedOracles/DataFeedOracleBase.sol", "exportedSymbols": { "DataFeedOracleBase": [ 1376 ] }, "id": 1377, "nodeType": "SourceUnit", "nodes": [ { "id": 1085, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:7" }, { "absolutePath": "tidbit/contracts/DataFeedOracles/IDataFeedOracle.sol", "file": "./IDataFeedOracle.sol", "id": 1086, "nodeType": "ImportDirective", "scope": 1377, "sourceUnit": 1427, "src": "28:31:7", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "tidbit/contracts/Initializer.sol", "file": "../Initializer.sol", "id": 1087, "nodeType": "ImportDirective", "scope": 1377, "sourceUnit": 1490, "src": "61:28:7", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 1088, "name": "Initializer", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1489, "src": "306:11:7", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializer_$1489", "typeString": "contract Initializer" } }, "id": 1089, "nodeType": "InheritanceSpecifier", "src": "306:11:7" }, { "arguments": null, "baseName": { "contractScope": null, "id": 1090, "name": "IDataFeedOracle", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1426, "src": "319:15:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IDataFeedOracle_$1426", "typeString": "contract IDataFeedOracle" } }, "id": 1091, "nodeType": "InheritanceSpecifier", "src": "319:15:7" } ], "contractDependencies": [ 1426, 1489 ], "contractKind": "contract", "documentation": "@title DataFeedOracleBase\r\n@dev Allows a data source address to set bytes32 result values by date. 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"functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3143:14:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3137:21:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 1276, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "3136:23:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 1271, "id": 1277, "nodeType": "Return", "src": "3129:30:7" } ] }, "documentation": "@notice Throws if no results have been set.\r\n@return The date of the last result that was set.\r", "id": 1279, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "latestResultDate", 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[], "referencedDeclaration": 1098, "src": "4170:13:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_bytes32_$", "typeString": "mapping(uint256 => bytes32)" } }, "id": 1335, "indexExpression": { "argumentTypes": null, "id": 1334, "name": "_date", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1330, "src": "4184:5:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "4170:20:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1336, "name": "_result", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1328, "src": "4193:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "4170:30:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 1338, "nodeType": "ExpressionStatement", "src": "4170:30:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1342, "name": "_date", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1330, "src": "4218:5:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 1339, "name": "dates", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1094, "src": "4207:5:7", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_storage", "typeString": "uint256[] storage ref" } }, "id": 1341, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "push", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4207:10:7", "typeDescriptions": { "typeIdentifier": "t_function_arraypush_nonpayable$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256) returns (uint256)" } }, "id": 1343, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4207:17:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1344, "nodeType": "ExpressionStatement", "src": "4207:17:7" }, { "expression": { "argumentTypes": null, "id": 1350, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1345, "name": "indicesByDate", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1102, "src": "4231:13:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$", "typeString": "mapping(uint256 => uint256)" } }, "id": 1347, "indexExpression": { "argumentTypes": null, "id": 1346, "name": "_date", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1330, "src": "4245:5:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "4231:20:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 1348, "name": "totalResults", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1215, "src": "4254:12:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_uint256_$", "typeString": "function () view returns (uint256)" } }, "id": 1349, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4254:14:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4231:37:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1351, "nodeType": "ExpressionStatement", "src": "4231:37:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1353, "name": "_result", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1328, "src": "4291:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "argumentTypes": null, "id": 1354, "name": "_date", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1330, "src": "4300:5:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 1352, "name": "_resultWasSet", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1375, "src": "4277:13:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_bytes32_$_t_uint256_$returns$__$", "typeString": "function (bytes32,uint256)" } }, "id": 1355, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4277:29:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1356, "nodeType": "ExpressionStatement", "src": "4277:29:7" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1358, "name": "_result", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1328, "src": "4330:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, { "argumentTypes": null, "id": 1359, "name": "_date", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1330, "src": "4339:5:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 1360, "name": "totalResults", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1215, "src": "4346:12:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_uint256_$", "typeString": "function () view returns (uint256)" } }, "id": 1361, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4346:14:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1362, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1504, "src": "4362:3:7", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 1363, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4362:10:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 1357, "name": "ResultSet", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1114, "src": "4320:9:7", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_bytes32_$_t_uint256_$_t_uint256_$_t_address_$returns$__$", "typeString": "function (bytes32,uint256,uint256,address)" } }, "id": 1364, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4320:53:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1365, "nodeType": "EmitStatement", "src": "4315:58:7" } ] }, "documentation": "@dev Sets a bytes32 result value and a date for the result.\r\n@param _result The result to set.\r\n@param _date The date of the result.\r", "id": 1367, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_setResult", "nodeType": "FunctionDefinition", "parameters": { "id": 1331, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1328, "name": "_result", "nodeType": "VariableDeclaration", "scope": 1367, "src": "4122:15:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 1327, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "4122:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1330, "name": "_date", "nodeType": "VariableDeclaration", "scope": 1367, "src": "4139:13:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1329, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4139:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4121:32:7" }, "payable": false, "returnParameters": { "id": 1332, "nodeType": "ParameterList", "parameters": [], "src": "4163:0:7" }, "scope": 1376, "src": "4102:277:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 1374, "nodeType": "Block", "src": "4542:32:7", "statements": [] }, "documentation": "@dev Unimplemented function meant to be overidden in subclasses.\r", "id": 1375, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_resultWasSet", "nodeType": "FunctionDefinition", "parameters": { "id": 1372, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1369, "name": "", "nodeType": "VariableDeclaration", "scope": 1375, "src": "4493:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 1368, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "4493:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1371, "name": "", "nodeType": "VariableDeclaration", "scope": 1375, "src": "4514:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1370, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4514:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4492:40:7" }, "payable": false, "returnParameters": { "id": 1373, "nodeType": "ParameterList", "parameters": [], "src": "4542:0:7" }, "scope": 1376, "src": "4470:104:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 1377, "src": "275:4304:7" } ], "src": "0:4581:7" }, "legacyAST": { "absolutePath": "tidbit/contracts/DataFeedOracles/DataFeedOracleBase.sol", "exportedSymbols": { "DataFeedOracleBase": [ 1376 ] }, "id": 1377, "nodeType": "SourceUnit", "nodes": [ { "id": 1085, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:7" }, { "absolutePath": "tidbit/contracts/DataFeedOracles/IDataFeedOracle.sol", "file": "./IDataFeedOracle.sol", "id": 1086, "nodeType": "ImportDirective", "scope": 1377, "sourceUnit": 1427, "src": "28:31:7", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "tidbit/contracts/Initializer.sol", "file": "../Initializer.sol", "id": 1087, "nodeType": "ImportDirective", "scope": 1377, "sourceUnit": 1490, "src": "61:28:7", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 1088, "name": "Initializer", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1489, "src": "306:11:7", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializer_$1489", "typeString": "contract Initializer" } }, "id": 1089, "nodeType": "InheritanceSpecifier", "src": "306:11:7" }, { "arguments": null, "baseName": { "contractScope": null, "id": 1090, "name": "IDataFeedOracle", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1426, "src": "319:15:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IDataFeedOracle_$1426", "typeString": "contract IDataFeedOracle" } }, "id": 1091, "nodeType": "InheritanceSpecifier", "src": "319:15:7" } ], "contractDependencies": [ 1426, 1489 ], "contractKind": "contract", "documentation": "@title DataFeedOracleBase\r\n@dev Allows a data source address to set bytes32 result values by date. Result values\r\n can be publicly read by date and by index.\r", "fullyImplemented": true, "id": 1376, "linearizedBaseContracts": [ 1376, 1426, 1489 ], "name": "DataFeedOracleBase", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 1094, "name": "dates", "nodeType": "VariableDeclaration", "scope": 1376, "src": "342:15:7", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_storage", "typeString": "uint256[]" }, "typeName": { "baseType": { "id": 1092, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "342:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1093, "length": null, "nodeType": "ArrayTypeName", "src": "342:9:7", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$dyn_storage_ptr", "typeString": "uint256[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1098, "name": "resultsByDate", "nodeType": "VariableDeclaration", "scope": 1376, "src": "364:41:7", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_bytes32_$", "typeString": "mapping(uint256 => bytes32)" }, "typeName": { "id": 1097, "keyType": { "id": 1095, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "372:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", "src": "364:27:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_bytes32_$", "typeString": "mapping(uint256 => bytes32)" }, "valueType": { "id": 1096, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "383:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1102, "name": "indicesByDate", "nodeType": "VariableDeclaration", "scope": 1376, "src": "412:41:7", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$", "typeString": "mapping(uint256 => uint256)" }, "typeName": { "id": 1101, "keyType": { "id": 1099, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "420:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", "src": "412:27:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$", "typeString": "mapping(uint256 => uint256)" }, "valueType": { "id": 1100, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "431:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1104, "name": "dataSource", "nodeType": "VariableDeclaration", "scope": 1376, "src": "460:25:7", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1103, "name": "address", "nodeType": "ElementaryTypeName", "src": "460:7:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "public" }, { "anonymous": false, "documentation": null, "id": 1114, "name": "ResultSet", "nodeType": "EventDefinition", "parameters": { "id": 1113, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1106, "indexed": false, "name": "_result", "nodeType": "VariableDeclaration", "scope": 1114, "src": "508:15:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 1105, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "508:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1108, "indexed": false, "name": "_date", "nodeType": "VariableDeclaration", "scope": 1114, "src": "525:13:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1107, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "525:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1110, "indexed": false, "name": "_index", "nodeType": "VariableDeclaration", "scope": 1114, "src": "540:14:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1109, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "540:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1112, "indexed": false, "name": "_sender", "nodeType": "VariableDeclaration", "scope": 1114, "src": "556:15:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1111, "name": "address", "nodeType": "ElementaryTypeName", "src": "556:7:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "507:65:7" }, "src": "492:81:7" }, { "body": { "id": 1126, "nodeType": "Block", "src": "737:74:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1121, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1119, "name": "_date", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1116, "src": "752:5:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<=", "rightExpression": { "argumentTypes": null, "id": 1120, "name": "now", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1506, "src": "761:3:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "752:12:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "446174652063616e6e6f7420626520696e2074686520667574757265", "id": 1122, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "766:30:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_c5ce101592d43d6975cd11aa5067af7ece3e737baf5bad4dbe2ce99fe0f5be84", "typeString": "literal_string \"Date cannot be in the future\"" }, "value": "Date cannot be in the future" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_c5ce101592d43d6975cd11aa5067af7ece3e737baf5bad4dbe2ce99fe0f5be84", "typeString": "literal_string \"Date cannot be in the future\"" } ], "id": 1118, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 1507, 1508 ], "referencedDeclaration": 1508, "src": "744:7:7", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 1123, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "744:53:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1124, "nodeType": "ExpressionStatement", "src": "744:53:7" }, { "id": 1125, "nodeType": "PlaceholderStatement", "src": "804:1:7" } ] }, "documentation": "@dev Throws if _date is not current or past.\r\n@param _date Date to check against the `now` value.\r", "id": 1127, "name": "onlyBefore", "nodeType": "ModifierDefinition", "parameters": { "id": 1117, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1116, "name": "_date", "nodeType": "VariableDeclaration", "scope": 1127, "src": "722:13:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1115, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "722:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "721:15:7" }, "src": "702:109:7", "visibility": "internal" }, { "body": { "id": 1138, "nodeType": "Block", "src": "913:91:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1133, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1130, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1504, "src": "928:3:7", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 1131, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "928:10:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 1132, "name": "dataSource", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1104, "src": "942:10:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "928:24:7", "typeDescriptions": { 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Throws if no result exists for\r\n the given index.\r\n@param _index The index of the result.\r\n@return The result value and the date of the result.\r", "id": 1242, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "resultByIndex", "nodeType": "FunctionDefinition", "parameters": { "id": 1218, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1217, "name": "_index", "nodeType": "VariableDeclaration", "scope": 1242, "src": "2299:14:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1216, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2299:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2298:16:7" }, "payable": false, "returnParameters": { "id": 1223, "nodeType": "ParameterList", "parameters": [ { "constant": 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{ "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2898:20:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 1264, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "2875:44:7", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bytes32_$_t_uint256_$", "typeString": "tuple(bytes32,uint256)" } }, "functionReturnParameters": 1250, "id": 1265, "nodeType": "Return", "src": "2868:51:7" } ] }, "documentation": "@dev Returns a result and an index, given a date. Throws if no result exists for\r\n the given date.\r\n@param _date The date of the result.\r\n@return The result value and the index of the result.\r", "id": 1267, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "resultByDate", "nodeType": "FunctionDefinition", "parameters": { "id": 1245, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1244, "name": "_date", "nodeType": "VariableDeclaration", "scope": 1267, "src": "2744:13:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1243, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2744:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2743:15:7" }, "payable": false, "returnParameters": { "id": 1250, "nodeType": "ParameterList", "parameters": [ { "constant": false, 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"nodeType": "FunctionDefinition", "parameters": { "id": 1268, "nodeType": "ParameterList", "parameters": [], "src": "3076:2:7" }, "payable": false, "returnParameters": { "id": 1271, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1270, "name": "", "nodeType": "VariableDeclaration", "scope": 1279, "src": "3110:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1269, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3110:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3109:9:7" }, "scope": 1376, "src": "3051:114:7", "stateMutability": "view", "superFunction": 1420, "visibility": "public" }, { "body": { "id": 1291, "nodeType": "Block", "src": "3346:56:7", "statements": [ { "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, 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