witnet-solidity-bridge

{ "contractName": "WitnetPriceFeedsData", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.8.25+commit.b61c2a91\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"author\":\"The Witnet Foundation.\",\"kind\":\"dev\",\"methods\":{},\"title\":\"WitnetFeeds data model.\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/data/WitnetPriceFeedsData.sol\":\"WitnetPriceFeedsData\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"project:/contracts/data/WitnetPriceFeedsData.sol\":{\"keccak256\":\"0x8cc848254deb42ab5c6d29d02c312c42cbee2b88f9dfed4289f990faa9079787\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://23922b87c483c75397f5a5a8837ac8feef98517893dc4f38ec3f8f830263f15c\",\"dweb:/ipfs/QmUk9Re19ft1qqpPbG4RDMuZRe9Cj7dChHhhVmvjeH3GLj\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\r\n\r\npragma solidity >=0.8.0 <0.9.0;\r\n\r\n/// @title WitnetFeeds data model.\r\n/// @author The Witnet Foundation.\r\nabstract contract WitnetPriceFeedsData {\r\n \r\n bytes32 private constant _WITNET_FEEDS_DATA_SLOTHASH =\r\n /* keccak256(\"io.witnet.feeds.data\") */\r\n 0xe36ea87c48340f2c23c9e1c9f72f5c5165184e75683a4d2a19148e5964c1d1ff;\r\n\r\n struct Storage {\r\n bytes32 reserved;\r\n bytes4[] ids;\r\n mapping (bytes4 => Record) records;\r\n }\r\n\r\n struct Record {\r\n string caption;\r\n uint8 decimals;\r\n uint256 index;\r\n uint256 lastValidQueryId;\r\n uint256 latestUpdateQueryId;\r\n bytes32 radHash;\r\n address solver; // logic contract address for reducing values on routed feeds.\r\n int256 solverReductor; // as to reduce resulting number of decimals on routed feeds.\r\n bytes32 solverDepsFlag; // as to store ids of up to 8 depending feeds.\r\n }\r\n\r\n // ================================================================================================\r\n // --- Internal functions -------------------------------------------------------------------------\r\n \r\n /// @notice Returns storage pointer to where Storage data is located. \r\n function __storage()\r\n internal pure\r\n returns (Storage storage _ptr)\r\n {\r\n assembly {\r\n _ptr.slot := _WITNET_FEEDS_DATA_SLOTHASH\r\n }\r\n }\r\n\r\n /// @notice Returns storage pointer to where Record for given feedId is located.\r\n function __records_(bytes4 feedId) internal view returns (Record storage) {\r\n return __storage().records[feedId];\r\n }\r\n\r\n /// @notice Returns array of feed ids from which given feed's value depends.\r\n /// @dev Returns empty array on either unsupported or not-routed feeds.\r\n /// @dev The maximum number of dependencies is hard-limited to 8, as to limit number\r\n /// @dev of SSTORE operations (`__storage().records[feedId].solverDepsFlag`), \r\n /// @dev no matter the actual number of depending feeds involved.\r\n function _depsOf(bytes4 feedId) internal view returns (bytes4[] memory _deps) {\r\n bytes32 _solverDepsFlag = __storage().records[feedId].solverDepsFlag;\r\n _deps = new bytes4[](8);\r\n uint _len;\r\n for (_len = 0; _len < 8; _len ++) {\r\n _deps[_len] = bytes4(_solverDepsFlag);\r\n if (_deps[_len] == 0) {\r\n break;\r\n } else {\r\n _solverDepsFlag <<= 32;\r\n }\r\n }\r\n assembly {\r\n // reset length to actual number of dependencies:\r\n mstore(_deps, _len)\r\n }\r\n }\r\n}", "sourcePath": "C:\\Users\\guill\\github\\witnet\\witnet-solidity-bridge\\contracts\\data\\WitnetPriceFeedsData.sol", "ast": { "absolutePath": "project:/contracts/data/WitnetPriceFeedsData.sol", "exportedSymbols": { "WitnetPriceFeedsData": [ 12523 ] }, "id": 12524, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 12398, "literals": [ "solidity", ">=", "0.8", ".0", "<", "0.9", ".0" ], "nodeType": "PragmaDirective", "src": "35:31:42" }, { "abstract": true, "baseContracts": [], "canonicalName": "WitnetPriceFeedsData", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 12399, "nodeType": "StructuredDocumentation", "src": "70:72:42", "text": "@title WitnetFeeds data model.\n @author The Witnet Foundation." }, "fullyImplemented": true, "id": 12523, "linearizedBaseContracts": [ 12523 ], "name": "WitnetPriceFeedsData", "nameLocation": "160:20:42", "nodeType": "ContractDefinition", "nodes": [ { "constant": true, "id": 12402, "mutability": "constant", "name": "_WITNET_FEEDS_DATA_SLOTHASH", "nameLocation": "219:27:42", "nodeType": "VariableDeclaration", "scope": 12523, "src": "194:179:42", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 12400, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "194:7:42", 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"nodeType": "ElementaryTypeName", "src": "533:6:42", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 12417, "mutability": "mutable", "name": "decimals", "nameLocation": "567:8:42", "nodeType": "VariableDeclaration", "scope": 12432, "src": "559:16:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 12416, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "559:5:42", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "visibility": "internal" }, { "constant": false, "id": 12419, "mutability": "mutable", "name": "index", "nameLocation": "594:5:42", "nodeType": "VariableDeclaration", "scope": 12432, "src": "586:13:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, 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"stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 12426, "name": "address", "nodeType": "ElementaryTypeName", "src": "709:7:42", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 12429, "mutability": "mutable", "name": "solverReductor", "nameLocation": "813:14:42", "nodeType": "VariableDeclaration", "scope": 12432, "src": "805:22:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" }, "typeName": { "id": 12428, "name": "int256", "nodeType": "ElementaryTypeName", "src": "805:6:42", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "visibility": "internal" }, { "constant": false, "id": 12431, "mutability": "mutable", "name": "solverDepsFlag", "nameLocation": "908:14:42", "nodeType": "VariableDeclaration", "scope": 12432, "src": "900:22:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 12430, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "900:7:42", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "visibility": "internal" } ], "name": "Record", "nameLocation": "515:6:42", "nodeType": "StructDefinition", "scope": 12523, "src": "508:469:42", "visibility": "public" }, { "body": { "id": 12440, "nodeType": "Block", "src": "1362:93:42", "statements": [ { "AST": { "nativeSrc": "1382:66:42", "nodeType": "YulBlock", "src": "1382:66:42", "statements": [ { "nativeSrc": "1397:40:42", "nodeType": "YulAssignment", "src": "1397:40:42", "value": { "name": "_WITNET_FEEDS_DATA_SLOTHASH", "nativeSrc": "1410:27:42", "nodeType": "YulIdentifier", "src": "1410:27:42" }, "variableNames": [ { "name": 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