token-price-oracles

{ "contractName": "TokenPriceDataFeed", "abi": [ { "constant": true, "inputs": [ { "name": "_date", "type": "uint256" } ], "name": "dateHasResult", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "dataSource", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "token2", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "exchangeAdapter", "outputs": [ { "name": "", "type": "address" } ], "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": "latestResult", "outputs": [ { "name": "", "type": "bytes32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "latestResultDate", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "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": "_date", "type": "uint256" } ], "name": "resultByDate", "outputs": [ { "name": "", "type": "bytes32" }, { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "totalResults", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "token1", "outputs": [ { "name": "", "type": "address" } ], "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" }, { "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": "_token1", "type": "address" }, { "name": "_token2", "type": "address" }, { "name": "_exchangeAdapter", "type": "address" } ], "name": "initialize", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_dataSource", "type": "address" } ], "name": "initialize", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "logResult", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": 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"source": "pragma solidity >=0.4.24;\n\nimport \"tidbit/contracts/DataFeedOracles/DataFeedOracleBase.sol\";\nimport \"../ExchangeAdapters/IExchangeAdapter.sol\";\n\ncontract TokenPriceDataFeed is DataFeedOracleBase {\n address public token1;\n address public token2;\n IExchangeAdapter public exchangeAdapter;\n\n function initialize(\n address _token1,\n address _token2,\n IExchangeAdapter _exchangeAdapter\n )\n public\n {\n token1 = _token1;\n token2 = _token2;\n exchangeAdapter = _exchangeAdapter;\n\n // set dataSource to `this` so setResult can only be called from this contract\n DataFeedOracleBase.initialize(address(this));\n }\n\n function logResult() public {\n uint price = exchangeAdapter.getPriceForTokenPair(token1, token2);\n DataFeedOracleBase(this).setResult(bytes32(price), uint256(block.timestamp));\n }\n}\n", "sourcePath": "/Users/mfcalvanese/dev/eth/token-price-oracles/contracts/DataFeeds/TokenPriceDataFeed.sol", "ast": { "absolutePath": 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"DataFeedOracleBase", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1376, "src": "176:18:1", "typeDescriptions": { "typeIdentifier": "t_contract$_DataFeedOracleBase_$1376", "typeString": "contract DataFeedOracleBase" } }, "id": 420, "nodeType": "InheritanceSpecifier", "src": "176:18:1" } ], "contractDependencies": [ 1376, 1426, 1489 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 482, "linearizedBaseContracts": [ 482, 1376, 1426, 1489 ], "name": "TokenPriceDataFeed", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 422, "name": "token1", "nodeType": "VariableDeclaration", "scope": 482, "src": "199:21:1", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 421, "name": "address", "nodeType": "ElementaryTypeName", "src": "199:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 424, "name": "token2", "nodeType": "VariableDeclaration", "scope": 482, "src": "224:21:1", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 423, "name": "address", "nodeType": "ElementaryTypeName", "src": "224:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 426, "name": "exchangeAdapter", "nodeType": "VariableDeclaration", "scope": 482, "src": "249:39:1", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IExchangeAdapter_$494", "typeString": "contract IExchangeAdapter" }, "typeName": { "contractScope": null, "id": 425, "name": "IExchangeAdapter", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 494, "src": "249:16:1", "typeDescriptions": { "typeIdentifier": "t_contract$_IExchangeAdapter_$494", "typeString": "contract IExchangeAdapter" } }, "value": null, "visibility": "public" }, { "body": { "id": 455, "nodeType": "Block", "src": "411:223:1", "statements": [ { "expression": { "argumentTypes": null, "id": 437, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 435, "name": "token1", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 422, "src": "417:6:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 436, "name": "_token1", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 428, "src": "426:7:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "417:16:1", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": 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