VRFWrapperConsumerExample.sol

// SPDX-License-Identifier: MIT
// An example of a consumer contract that directly pays for each request.
pragma solidity ^0.8.7;

import "./interfaces/VRFV2WrapperConsumerBase.sol";

contract VRFV2WrapperConsumerExample is VRFV2WrapperConsumerBase {
    event RequestFulfilled(
        uint256 requestId,
        uint256[] randomWords,
        uint256 payment
    );

    constructor(address _vrfV2Wrapper)
        VRFV2WrapperConsumerBase(_vrfV2Wrapper)
    {}

    function fulfillRandomWords(
        uint256 _requestId,
        uint256[] memory _randomWords
    ) internal override {
        require(s_requests[_requestId].paid > 0, "request not found");

        s_requests[_requestId].fulfilled = true;
        s_requests[_requestId].randomWords = _randomWords;
        emit RequestFulfilled(
            _requestId,
            _randomWords,
            s_requests[_requestId].paid
        );
    }
}