witnet-solidity-bridge

{ "contractName": "UsingWitnet", "abi": [ { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "id", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "evmReward", "type": "uint256" }, { "components": [ { "internalType": "uint8", "name": "committeeSize", "type": "uint8" }, { "internalType": "uint64", "name": "witnessingFeeNanoWit", "type": "uint64" } ], "indexed": false, "internalType": "struct WitnetV2.RadonSLA", "name": "witnetSLA", "type": "tuple" } ], "name": "WitnetQuery", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "id", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "evmGasPrice", "type": "uint256" } ], "name": "WitnetQueryResponse", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "id", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "evmGasPrice", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "evmCallbackGas", "type": "uint256" } ], "name": "WitnetQueryResponseDelivered", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "id", "type": "uint256" }, { "indexed": false, "internalType": "bytes", "name": "resultCborBytes", "type": "bytes" }, { "indexed": false, "internalType": "uint256", "name": "evmGasPrice", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "evmCallbackActualGas", "type": "uint256" }, { "indexed": false, "internalType": "string", "name": "evmCallbackRevertReason", "type": "string" } ], "name": "WitnetQueryResponseDeliveryFailed", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "id", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "evmReward", "type": "uint256" } ], "name": "WitnetQueryRewardUpgraded", "type": "event" }, { "inputs": [], "name": "witnet", "outputs": [ { "internalType": "contract WitnetOracle", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.25+commit.b61c2a91\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"id\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"evmReward\",\"type\":\"uint256\"},{\"components\":[{\"internalType\":\"uint8\",\"name\":\"committeeSize\",\"type\":\"uint8\"},{\"internalType\":\"uint64\",\"name\":\"witnessingFeeNanoWit\",\"type\":\"uint64\"}],\"indexed\":false,\"internalType\":\"struct WitnetV2.RadonSLA\",\"name\":\"witnetSLA\",\"type\":\"tuple\"}],\"name\":\"WitnetQuery\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"id\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"evmGasPrice\",\"type\":\"uint256\"}],\"name\":\"WitnetQueryResponse\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"id\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"evmGasPrice\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"evmCallbackGas\",\"type\":\"uint256\"}],\"name\":\"WitnetQueryResponseDelivered\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"id\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"resultCborBytes\",\"type\":\"bytes\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"evmGasPrice\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"evmCallbackActualGas\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"string\",\"name\":\"evmCallbackRevertReason\",\"type\":\"string\"}],\"name\":\"WitnetQueryResponseDeliveryFailed\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"id\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"evmReward\",\"type\":\"uint256\"}],\"name\":\"WitnetQueryRewardUpgraded\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"witnet\",\"outputs\":[{\"internalType\":\"contract WitnetOracle\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"author\":\"The Witnet Foundation.\",\"details\":\"Witnet-aware contracts can inherit from this contract in order to interact with Witnet.\",\"kind\":\"dev\",\"methods\":{\"constructor\":{\"params\":{\"_wrb\":\"Address of the WitnetOracle contract.\"}}},\"stateVariables\":{\"__witnet\":{\"details\":\"Immutable reference to the Witnet Request Board contract.\"},\"__witnetBaseFeeOverheadPercentage\":{\"details\":\"Percentage over base fee to pay on every data request, as to deal with volatility of evmGasPrice and evmWitPrice during the live time of a data request (since being posted until a result gets reported back), at both the EVM and the Witnet blockchain levels, respectivelly. \"},\"__witnetDefaultSLA\":{\"details\":\"Default Security-Level Agreement parameters to be fulfilled by the Witnet blockchainwhen solving a data request.\"}},\"title\":\"The UsingWitnet contract\",\"version\":1},\"userdoc\":{\"events\":{\"WitnetQuery(uint256,uint256,(uint8,uint64))\":{\"notice\":\"Emitted every time a new query containing some verified data request is posted to the WRB.\"},\"WitnetQueryResponse(uint256,uint256)\":{\"notice\":\"Emitted when a query with no callback gets reported into the WRB.\"},\"WitnetQueryResponseDelivered(uint256,uint256,uint256)\":{\"notice\":\"Emitted when a query with a callback gets successfully reported into the WRB.\"},\"WitnetQueryResponseDeliveryFailed(uint256,bytes,uint256,uint256,string)\":{\"notice\":\"Emitted when a query with a callback cannot get reported into the WRB.\"},\"WitnetQueryRewardUpgraded(uint256,uint256)\":{\"notice\":\"Emitted when the reward of some not-yet reported query is upgraded.\"}},\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/apps/UsingWitnet.sol\":\"UsingWitnet\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"project:/contracts/WitnetOracle.sol\":{\"keccak256\":\"0x84ef8d2ebcba273e4bc23a5ee414a1213df55d1b4e496197a146031fea3a4874\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://c4a6e31964ed08c4c9dfe5279b4ffe9eeba6e759f15901e080e174e98e96a7f5\",\"dweb:/ipfs/QmTghzVFf2EHnfnHejgFGRBjanXYcstK9ftVaYmHWJfk8w\"]},\"project:/contracts/WitnetRequestBytecodes.sol\":{\"keccak256\":\"0x2a79d919dd79c0e3f857e6bee08368ad0b463188aced4a52de29270ed0f5f3d2\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://290d6013ee9f75fedbbb7726527a637ea2ae7a5da0ad118ecc43b298846f0bb0\",\"dweb:/ipfs/QmU8AZtPyctrrvxdmH297p595ZMS6DgcD6djSFKNxAqYMs\"]},\"project:/contracts/WitnetRequestFactory.sol\":{\"keccak256\":\"0x3c66f27d7c1db0e662c37d98005c4cbd871ceb75e97079d7bf673fb75d59c858\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://52adb318b870d0825718125e94fdbdd0e968ced09926420e2543b0ca4c6eb579\",\"dweb:/ipfs/QmYack87Q2UTfQb8KLLEPFBrMJgN2o6PaPqPNSc95McPVH\"]},\"project:/contracts/apps/UsingWitnet.sol\":{\"keccak256\":\"0x3fe6f2f1162bd1c128fb6aad2db81eaa1fdf04b5d15a5eeadf3e44bc81e2d4ef\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://927de4c99298ede8a240305bfd8e9daa5c79a32ed68cef19ece9b7f5bb37860b\",\"dweb:/ipfs/QmeZEbXpCTHegD6H7cVDipyXLYHUE4e3C66XojzYk8CpE4\"]},\"project:/contracts/interfaces/IWitnetOracle.sol\":{\"keccak256\":\"0x5dbb04fce5e05675325232a735c46617378982b48dac2138aca0c6cc95e6e4d5\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://7447a70455478239500e16aebe5dce6676dc86307d22f662761d8e9f7c5d1276\",\"dweb:/ipfs/QmVkvA4Mt6G1JXxE8ebxKGAjT1WvNbp5QMKg9sUKdrJjhv\"]},\"project:/contracts/interfaces/IWitnetOracleEvents.sol\":{\"keccak256\":\"0x0442f474f253dc1f6bd6a4f153c3adb2abe5f6f0f24c76d1baf666185e61e659\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://535e8efcfc5693669d9bd2b6f62e6fc65aca19b7de355a27152e4362b410540d\",\"dweb:/ipfs/QmVZRXgku1cZewhoucebaiBKAyUjF2dmEzYrzGvjPzbwN9\"]},\"project:/contracts/interfaces/IWitnetRequestBytecodes.sol\":{\"keccak256\":\"0x8da168bee9a78442216965976b1f29087f760f37dcb09337283242599ed1cbca\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://e120623262ee0559913bdae56c0a7921147dfe08ada7ea81061b14e2fc38c5e1\",\"dweb:/ipfs/Qmbxe8XRrH6ZjJHiR6YYzcZV1jnSWwo9iBYz5r6GJ6To5G\"]},\"project:/contracts/interfaces/IWitnetRequestFactory.sol\":{\"keccak256\":\"0x3b19ec4a976745ba2646e7e1886d647ef30ad678460a712c93bbfb4405b57f1f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://fa759ae15b7d4da622a81d50933474910959ac490d8b63ea2e7ed8608859a9c9\",\"dweb:/ipfs/QmRckCu7eBBP5fn9ff6djs7VbdhFc7sxYb2yqDr4go66jV\"]},\"project:/contracts/libs/Witnet.sol\":{\"keccak256\":\"0x65a87375dd79d63a83fb454b7199b6c999bd59c50b3b59d521c5c4d45a7d3cc3\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ca865b681d810c2fc5c3672ea6343c3bdf6fd71764ab824d25994744dc85866b\",\"dweb:/ipfs/QmPGcP3xGTNZfsQ9GSKdujNLRVs8dWDdubyUko1rbQqJNv\"]},\"project:/contracts/libs/WitnetBuffer.sol\":{\"keccak256\":\"0xa14570492eb5a313ddbacae0185c850ec99c67211eb33989a5e21d31bf06a150\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://e83c11edb49cab6a767c0b685825bc22ece0d3d2897e0d54fe1923df5cc76ba5\",\"dweb:/ipfs/QmdLDgCc3tnKbgRrXwfNzsg6uUDirNmjvBB8V3iMmnD69a\"]},\"project:/contracts/libs/WitnetCBOR.sol\":{\"keccak256\":\"0xb346547ff731163beea2c657c52675cdf7936691d566a76a045577cf9c34ade0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6d4b5b6424a033584b41f1204d635db98fda9ca9bd2a614c9d82539a3e4e6529\",\"dweb:/ipfs/QmW6Qy3wWpzHSECYaCPaf9LWGfPqWDKVoP2kPSNNQu7LMQ\"]},\"project:/contracts/libs/WitnetV2.sol\":{\"keccak256\":\"0xb276a6da373bfbe9cd942dd7e59979cda898215d1e36ab3df95a6d6cc6ff770f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://bc4890876b9bc64f501ccdd48408bb63724865cb2ce8d2057f6b318540adce7c\",\"dweb:/ipfs/QmPMHPdbCsKBavhiLcaDgQ9EjNSvwwzv8TKffotcCv1ctP\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\r\n\r\npragma solidity >=0.7.0 <0.9.0;\r\npragma experimental ABIEncoderV2;\r\n\r\nimport \"../WitnetOracle.sol\";\r\n\r\n/// @title The UsingWitnet contract\r\n/// @dev Witnet-aware contracts can inherit from this contract in order to interact with Witnet.\r\n/// @author The Witnet Foundation.\r\nabstract contract UsingWitnet\r\n is\r\n IWitnetOracleEvents\r\n{\r\n /// @dev Immutable reference to the Witnet Request Board contract.\r\n WitnetOracle internal immutable __witnet;\r\n \r\n /// @dev Default Security-Level Agreement parameters to be fulfilled by the Witnet blockchain\r\n /// @dev when solving a data request.\r\n WitnetV2.RadonSLA internal __witnetDefaultSLA;\r\n\r\n /// @dev Percentage over base fee to pay on every data request, \r\n /// @dev as to deal with volatility of evmGasPrice and evmWitPrice during the live time of \r\n /// @dev a data request (since being posted until a result gets reported back), at both the EVM and \r\n /// @dev the Witnet blockchain levels, respectivelly. \r\n uint16 internal __witnetBaseFeeOverheadPercentage;\r\n\r\n /// @param _wrb Address of the WitnetOracle contract.\r\n constructor(WitnetOracle _wrb) {\r\n require(\r\n _wrb.specs() == type(IWitnetOracle).interfaceId,\r\n \"UsingWitnet: uncompliant WitnetOracle\"\r\n );\r\n __witnet = _wrb;\r\n __witnetDefaultSLA = WitnetV2.RadonSLA({\r\n // Number of nodes in the Witnet blockchain that will take part in solving the data request:\r\n committeeSize: 10,\r\n // Fee in $nanoWIT paid to every node in the Witnet blockchain involved in solving the data request:\r\n witnessingFeeNanoWit: 2 * 10 ** 8 // defaults to 0.2 $WIT\r\n });\r\n \r\n __witnetBaseFeeOverheadPercentage = 33; // defaults to 33%\r\n }\r\n\r\n /// @dev Provides a convenient way for client contracts extending this to block the execution of the main logic of the\r\n /// @dev contract until a particular request has been successfully solved and reported by Witnet,\r\n /// @dev either with an error or successfully.\r\n modifier witnetQuerySolved(uint256 _witnetQueryId) {\r\n require(_witnetCheckQueryResultAvailability(_witnetQueryId), \"UsingWitnet: unsolved query\");\r\n _;\r\n }\r\n\r\n function witnet() virtual public view returns (WitnetOracle) {\r\n return __witnet;\r\n }\r\n\r\n /// @notice Check if given query was already reported back from the Witnet oracle.\r\n /// @param _id The unique identifier of a previously posted data request.\r\n function _witnetCheckQueryResultAvailability(uint256 _id)\r\n internal view\r\n returns (bool)\r\n {\r\n return __witnet.getQueryStatus(_id) == WitnetV2.QueryStatus.Reported;\r\n }\r\n\r\n /// @notice Estimate the minimum reward required for posting a data request, using `tx.gasprice` as a reference.\r\n /// @dev Underestimates if the size of returned data is greater than `_resultMaxSize`. \r\n /// @param _resultMaxSize Maximum expected size of returned data (in bytes).\r\n function _witnetEstimateEvmReward(uint16 _resultMaxSize)\r\n virtual internal view\r\n returns (uint256)\r\n {\r\n return (\r\n (100 + __witnetBaseFeeOverheadPercentage)\r\n * __witnet.estimateBaseFee(tx.gasprice, _resultMaxSize) \r\n ) / 100;\r\n }\r\n\r\n function _witnetCheckQueryResponseStatus(uint256 _witnetQueryId)\r\n internal view\r\n returns (WitnetV2.ResponseStatus)\r\n {\r\n return __witnet.getQueryResponseStatus(_witnetQueryId);\r\n }\r\n\r\n function _witnetCheckQueryResultError(uint256 _witnetQueryId)\r\n internal view\r\n returns (Witnet.ResultError memory)\r\n {\r\n return __witnet.getQueryResultError(_witnetQueryId);\r\n }\r\n}\r\n", "sourcePath": "C:\\Users\\guill\\github\\witnet\\witnet-solidity-bridge\\contracts\\apps\\UsingWitnet.sol", "ast": { "absolutePath": "project:/contracts/apps/UsingWitnet.sol", "exportedSymbols": { "IWitnetOracle": [ 13265 ], "IWitnetOracleEvents": [ 13315 ], "IWitnetRequestBytecodes": [ 13979 ], "IWitnetRequestFactory": [ 14002 ], "UsingWitnet": [ 1157 ], "Witnet": [ 17557 ], "WitnetBuffer": [ 19191 ], "WitnetCBOR": [ 20734 ], "WitnetOracle": [ 749 ], "WitnetRequestBytecodes": [ 849 ], "WitnetRequestFactory": [ 880 ], "WitnetV2": [ 23640 ] }, "id": 1158, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1007, "literals": [ "solidity", ">=", "0.7", ".0", "<", "0.9", ".0" ], "nodeType": "PragmaDirective", "src": "35:31:16" }, { "id": 1008, "literals": [ "experimental", "ABIEncoderV2" ], "nodeType": "PragmaDirective", "src": "68:33:16" }, { "absolutePath": "project:/contracts/WitnetOracle.sol", "file": "../WitnetOracle.sol", "id": 1009, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 1158, "sourceUnit": 750, "src": "105:29:16", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 1011, "name": "IWitnetOracleEvents", "nameLocations": [ "356:19:16" ], "nodeType": "IdentifierPath", "referencedDeclaration": 13315, "src": "356:19:16" }, "id": 1012, "nodeType": "InheritanceSpecifier", "src": "356:19:16" } ], "canonicalName": "UsingWitnet", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 1010, "nodeType": "StructuredDocumentation", "src": "138:171:16", "text": "@title The UsingWitnet contract\n @dev Witnet-aware contracts can inherit from this contract in order to interact with Witnet.\n @author The Witnet Foundation." }, "fullyImplemented": true, "id": 1157, "linearizedBaseContracts": [ 1157, 13315 ], "name": "UsingWitnet", "nameLocation": "327:11:16", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "documentation": { "id": 1013, "nodeType": "StructuredDocumentation", "src": "384:66:16", "text": "@dev Immutable reference to the Witnet Request Board contract." }, "id": 1016, "mutability": "immutable", "name": "__witnet", "nameLocation": "488:8:16", "nodeType": "VariableDeclaration", "scope": 1157, "src": "456:40:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_WitnetOracle_$749", "typeString": "contract WitnetOracle" }, "typeName": { "id": 1015, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 1014, "name": "WitnetOracle", "nameLocations": [ "456:12:16" ], "nodeType": "IdentifierPath", "referencedDeclaration": 749, "src": "456:12:16" }, "referencedDeclaration": 749, "src": "456:12:16", "typeDescriptions": { "typeIdentifier": "t_contract$_WitnetOracle_$749", "typeString": "contract WitnetOracle" } }, "visibility": "internal" }, { "constant": false, "documentation": { "id": 1017, "nodeType": "StructuredDocumentation", "src": "509:136:16", "text": "@dev Default Security-Level Agreement parameters to be fulfilled by the Witnet blockchain\n @dev when solving a data request." }, "id": 1020, "mutability": "mutable", "name": "__witnetDefaultSLA", "nameLocation": "678:18:16", "nodeType": "VariableDeclaration", "scope": 1157, "src": "651:45:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_RadonSLA_$23503_storage", "typeString": "struct WitnetV2.RadonSLA" }, "typeName": { "id": 1019, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 1018, "name": "WitnetV2.RadonSLA", "nameLocations": [ "651:8:16", "660:8:16" ], "nodeType": "IdentifierPath", "referencedDeclaration": 23503, "src": "651:17:16" }, "referencedDeclaration": 23503, "src": "651:17:16", "typeDescriptions": { "typeIdentifier": "t_struct$_RadonSLA_$23503_storage_ptr", "typeString": "struct WitnetV2.RadonSLA" } }, "visibility": "internal" }, { "constant": false, "documentation": { "id": 1021, "nodeType": "StructuredDocumentation", "src": "705:327:16", "text": "@dev Percentage over base fee to pay on every data request, \n @dev as to deal with volatility of evmGasPrice and evmWitPrice during the live time of \n @dev a data request (since being posted until a result gets reported back), at both the EVM and \n @dev the Witnet blockchain levels, respectivelly. " }, "id": 1023, "mutability": "mutable", "name": "__witnetBaseFeeOverheadPercentage", "nameLocation": "1054:33:16", "nodeType": "VariableDeclaration", "scope": 1157, "src": "1038:49:16", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1022, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "1038:6:16", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "visibility": "internal" }, { "body": { "id": 1062, "nodeType": "Block", "src": "1186:644:16", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 1038, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [], "expression": { "argumentTypes": [], "expression": { "id": 1031, "name": "_wrb", "nodeType": "Identifier", "overloadedDeclarations": [], 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