witnet-solidity-bridge
Version:
Witnet Solidity Bridge contracts for EVM-compatible chains
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{
"contractName": "WitnetOracle",
"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": [
{
"internalType": "uint256",
"name": "gasPrice",
"type": "uint256"
},
{
"internalType": "uint16",
"name": "resultMaxSize",
"type": "uint16"
}
],
"name": "estimateBaseFee",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "gasPrice",
"type": "uint256"
},
{
"internalType": "bytes32",
"name": "radHash",
"type": "bytes32"
}
],
"name": "estimateBaseFee",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "gasPrice",
"type": "uint256"
},
{
"internalType": "uint24",
"name": "callbackGasLimit",
"type": "uint24"
}
],
"name": "estimateBaseFeeWithCallback",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "fetchQueryResponse",
"outputs": [
{
"components": [
{
"internalType": "address",
"name": "reporter",
"type": "address"
},
{
"internalType": "uint64",
"name": "finality",
"type": "uint64"
},
{
"internalType": "uint32",
"name": "resultTimestamp",
"type": "uint32"
},
{
"internalType": "bytes32",
"name": "resultTallyHash",
"type": "bytes32"
},
{
"internalType": "bytes",
"name": "resultCborBytes",
"type": "bytes"
}
],
"internalType": "struct WitnetV2.Response",
"name": "",
"type": "tuple"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "getNextQueryId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "getQuery",
"outputs": [
{
"components": [
{
"components": [
{
"internalType": "address",
"name": "requester",
"type": "address"
},
{
"internalType": "uint24",
"name": "gasCallback",
"type": "uint24"
},
{
"internalType": "uint72",
"name": "evmReward",
"type": "uint72"
},
{
"internalType": "bytes",
"name": "witnetBytecode",
"type": "bytes"
},
{
"internalType": "bytes32",
"name": "witnetRAD",
"type": "bytes32"
},
{
"components": [
{
"internalType": "uint8",
"name": "committeeSize",
"type": "uint8"
},
{
"internalType": "uint64",
"name": "witnessingFeeNanoWit",
"type": "uint64"
}
],
"internalType": "struct WitnetV2.RadonSLA",
"name": "witnetSLA",
"type": "tuple"
}
],
"internalType": "struct WitnetV2.Request",
"name": "request",
"type": "tuple"
},
{
"components": [
{
"internalType": "address",
"name": "reporter",
"type": "address"
},
{
"internalType": "uint64",
"name": "finality",
"type": "uint64"
},
{
"internalType": "uint32",
"name": "resultTimestamp",
"type": "uint32"
},
{
"internalType": "bytes32",
"name": "resultTallyHash",
"type": "bytes32"
},
{
"internalType": "bytes",
"name": "resultCborBytes",
"type": "bytes"
}
],
"internalType": "struct WitnetV2.Response",
"name": "response",
"type": "tuple"
}
],
"internalType": "struct WitnetV2.Query",
"name": "",
"type": "tuple"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "getQueryEvmReward",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "getQueryRequest",
"outputs": [
{
"components": [
{
"internalType": "address",
"name": "requester",
"type": "address"
},
{
"internalType": "uint24",
"name": "gasCallback",
"type": "uint24"
},
{
"internalType": "uint72",
"name": "evmReward",
"type": "uint72"
},
{
"internalType": "bytes",
"name": "witnetBytecode",
"type": "bytes"
},
{
"internalType": "bytes32",
"name": "witnetRAD",
"type": "bytes32"
},
{
"components": [
{
"internalType": "uint8",
"name": "committeeSize",
"type": "uint8"
},
{
"internalType": "uint64",
"name": "witnessingFeeNanoWit",
"type": "uint64"
}
],
"internalType": "struct WitnetV2.RadonSLA",
"name": "witnetSLA",
"type": "tuple"
}
],
"internalType": "struct WitnetV2.Request",
"name": "",
"type": "tuple"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "getQueryResponse",
"outputs": [
{
"components": [
{
"internalType": "address",
"name": "reporter",
"type": "address"
},
{
"internalType": "uint64",
"name": "finality",
"type": "uint64"
},
{
"internalType": "uint32",
"name": "resultTimestamp",
"type": "uint32"
},
{
"internalType": "bytes32",
"name": "resultTallyHash",
"type": "bytes32"
},
{
"internalType": "bytes",
"name": "resultCborBytes",
"type": "bytes"
}
],
"internalType": "struct WitnetV2.Response",
"name": "",
"type": "tuple"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "getQueryResponseStatus",
"outputs": [
{
"internalType": "enum WitnetV2.ResponseStatus",
"name": "",
"type": "uint8"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "getQueryResultCborBytes",
"outputs": [
{
"internalType": "bytes",
"name": "",
"type": "bytes"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "getQueryResultError",
"outputs": [
{
"components": [
{
"internalType": "enum Witnet.ResultErrorCodes",
"name": "code",
"type": "uint8"
},
{
"internalType": "string",
"name": "reason",
"type": "string"
}
],
"internalType": "struct Witnet.ResultError",
"name": "",
"type": "tuple"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "getQueryStatus",
"outputs": [
{
"internalType": "enum WitnetV2.QueryStatus",
"name": "",
"type": "uint8"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256[]",
"name": "queryIds",
"type": "uint256[]"
}
],
"name": "getQueryStatusBatch",
"outputs": [
{
"internalType": "enum WitnetV2.QueryStatus[]",
"name": "",
"type": "uint8[]"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "queryRAD",
"type": "bytes32"
},
{
"components": [
{
"internalType": "uint8",
"name": "committeeSize",
"type": "uint8"
},
{
"internalType": "uint64",
"name": "witnessingFeeNanoWit",
"type": "uint64"
}
],
"internalType": "struct WitnetV2.RadonSLA",
"name": "querySLA",
"type": "tuple"
}
],
"name": "postRequest",
"outputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes",
"name": "queryUnverifiedBytecode",
"type": "bytes"
},
{
"components": [
{
"internalType": "uint8",
"name": "committeeSize",
"type": "uint8"
},
{
"internalType": "uint64",
"name": "witnessingFeeNanoWit",
"type": "uint64"
}
],
"internalType": "struct WitnetV2.RadonSLA",
"name": "querySLA",
"type": "tuple"
},
{
"internalType": "uint24",
"name": "queryCallbackGasLimit",
"type": "uint24"
}
],
"name": "postRequestWithCallback",
"outputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "queryRAD",
"type": "bytes32"
},
{
"components": [
{
"internalType": "uint8",
"name": "committeeSize",
"type": "uint8"
},
{
"internalType": "uint64",
"name": "witnessingFeeNanoWit",
"type": "uint64"
}
],
"internalType": "struct WitnetV2.RadonSLA",
"name": "querySLA",
"type": "tuple"
},
{
"internalType": "uint24",
"name": "queryCallbackGasLimit",
"type": "uint24"
}
],
"name": "postRequestWithCallback",
"outputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "queryId",
"type": "uint256"
}
],
"name": "upgradeQueryEvmReward",
"outputs": [],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [],
"name": "class",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "channel",
"outputs": [
{
"internalType": "bytes4",
"name": "",
"type": "bytes4"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "factory",
"outputs": [
{
"internalType": "contract WitnetRequestFactory",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "registry",
"outputs": [
{
"internalType": "contract WitnetRequestBytecodes",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "specs",
"outputs": [
{
"internalType": "bytes4",
"name": "",
"type": "bytes4"
}
],
"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\":\"channel\",\"outputs\":[{\"internalType\":\"bytes4\",\"name\":\"\",\"type\":\"bytes4\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"class\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"gasPrice\",\"type\":\"uint256\"},{\"internalType\":\"uint16\",\"name\":\"resultMaxSize\",\"type\":\"uint16\"}],\"name\":\"estimateBaseFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"gasPrice\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"radHash\",\"type\":\"bytes32\"}],\"name\":\"estimateBaseFee\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"gasPrice\",\"type\":\"uint256\"},{\"internalType\":\"uint24\",\"name\":\"callbackGasLimit\",\"type\":\"uint24\"}],\"name\":\"estimateBaseFeeWithCallback\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"factory\",\"outputs\":[{\"internalType\":\"contract WitnetRequestFactory\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"queryId\",\"type\":\"uint256\"}],\"name\":\"fetchQueryResponse\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"reporter\",\"type\":\"address\"},{\"internalType\":\"uint64\",\"name\":\"finality\",\"type\":\"uint64\"},{\"internalType\":\"uint32\",\"name\":\"resultTimestamp\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"resultTallyHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"resultCborBytes\",\"type\":\"bytes\"}],\"internalType\":\"struct WitnetV2.Response\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getNextQueryId\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"queryId\",\"type\":\"uint256\"}],\"name\":\"getQuery\",\"outputs\":[{\"components\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"requester\",\"type\":\"address\"},{\"internalType\":\"uint24\",\"name\":\"gasCallback\",\"type\":\"uint24\"},{\"internalType\":\"uint72\",\"name\":\"evmReward\",\"type\":\"uint72\"},{\"internalType\":\"bytes\",\"name\":\"witnetBytecode\",\"type\":\"bytes\"},{\"internalType\":\"bytes32\",\"name\":\"witnetRAD\",\"type\":\"bytes32\"},{\"components\":[{\"internalType\":\"uint8\",\"name\":\"committeeSize\",\"type\":\"uint8\"},{\"internalType\":\"uint64\",\"name\":\"witnessingFeeNanoWit\",\"type\":\"uint64\"}],\"internalType\":\"struct WitnetV2.RadonSLA\",\"name\":\"witnetSLA\",\"type\":\"tuple\"}],\"internalType\":\"struct WitnetV2.Request\",\"name\":\"request\",\"type\":\"tuple\"},{\"components\":[{\"internalType\":\"address\",\"name\":\"reporter\",\"type\":\"address\"},{\"internalType\":\"uint64\",\"name\":\"finality\",\"type\":\"uint64\"},{\"internalType\":\"uint32\",\"name\":\"resultTimestamp\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"resultTallyHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"resultCborBytes\",\"type\":\"bytes\"}],\"internalType\":\"struct WitnetV2.Response\",\"name\":\"response\",\"type\":\"tuple\"}],\"internalType\":\"struct WitnetV2.Query\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"queryId\",\"type\":\"uint256\"}],\"name\":\"getQueryEvmReward\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"queryId\",\"type\":\"uint256\"}],\"name\":\"getQueryRequest\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"requester\",\"type\":\"address\"},{\"internalType\":\"uint24\",\"name\":\"gasCallback\",\"type\":\"uint24\"},{\"internalType\":\"uint72\",\"name\":\"evmReward\",\"type\":\"uint72\"},{\"internalType\":\"bytes\",\"name\":\"witnetBytecode\",\"type\":\"bytes\"},{\"internalType\":\"bytes32\",\"name\":\"witnetRAD\",\"type\":\"bytes32\"},{\"components\":[{\"internalType\":\"uint8\",\"name\":\"committeeSize\",\"type\":\"uint8\"},{\"internalType\":\"uint64\",\"name\":\"witnessingFeeNanoWit\",\"type\":\"uint64\"}],\"internalType\":\"struct WitnetV2.RadonSLA\",\"name\":\"witnetSLA\",\"type\":\"tuple\"}],\"internalType\":\"struct WitnetV2.Request\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"queryId\",\"type\":\"uint256\"}],\"name\":\"getQueryResponse\",\"outputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"reporter\",\"type\":\"address\"},{\"internalType\":\"uint64\",\"name\":\"finality\",\"type\":\"uint64\"},{\"internalType\":\"uint32\",\"name\":\"resultTimestamp\",\"type\":\"uint32\"},{\"internalType\":\"bytes32\",\"name\":\"resultTallyHash\",\"type\":\"bytes32\"},{\"internalType\":\"bytes\",\"name\":\"resultCborBytes\",\"type\":\"bytes\"}],\"internalType\":\"struct 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"source": "// SPDX-License-Identifier: MIT\r\n\r\npragma solidity >=0.7.0 <0.9.0;\r\n\r\nimport \"./WitnetRequestBytecodes.sol\";\r\nimport \"./WitnetRequestFactory.sol\";\r\nimport \"./interfaces/IWitnetOracle.sol\";\r\nimport \"./interfaces/IWitnetOracleEvents.sol\";\r\n\r\n/// @title Witnet Request Board functionality base contract.\r\n/// @author The Witnet Foundation.\r\nabstract contract WitnetOracle\r\n is\r\n IWitnetOracle,\r\n IWitnetOracleEvents\r\n{\r\n function class() virtual external view returns (string memory) {\r\n return type(WitnetOracle).name;\r\n }\r\n function channel() virtual external view returns (bytes4);\r\n function factory() virtual external view returns (WitnetRequestFactory);\r\n function registry() virtual external view returns (WitnetRequestBytecodes);\r\n function specs() virtual external view returns (bytes4);\r\n}",
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"text": "@title Witnet Request Board functionality base contract.\n @author The Witnet Foundation."
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