20 lines
530 B
Solidity
20 lines
530 B
Solidity
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// SPDX-License-Identifier: MIT
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pragma solidity >=0.4.21 <0.7.0;
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contract OracleEmitter {
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uint256 requestCounter;
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event NewOracleRequest(
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string requestType,
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address callbackAddress,
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bytes4 callbackMethodID,
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uint256 requestID
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);
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function requestOracles(string memory requestType, address callbackAddress, bytes4 callbackMethodID) public returns (uint256) {
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requestCounter++;
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emit NewOracleRequest(requestType, callbackAddress, callbackMethodID, requestCounter);
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return requestCounter;
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}
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}
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