Old-Consumer.txt

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.6;

import "@chainlink/contracts/src/v0.6/ChainlinkClient.sol";
import "@chainlink/contracts/src/v0.6/Oracle.sol";

contract Consumer is ChainlinkClient, Ownable {
  using Chainlink for Chainlink.Request;

  bytes32 private jobId = "77a24fe65a0944c8b8dec91e43639ce3";
  uint256 private fee = 0.1 * 10 ** 18;
  address private registry;

  constructor(address _oracle) public {
    setPublicChainlinkToken();
    setChainlinkOracle(_oracle);
  }

  function validateName(string memory _name) public returns (bytes32) {
    require(msg.sender == registry, "Only valid registry can call");
    Chainlink.Request memory request = buildChainlinkRequest(jobId, address(this), this.fulfillValidateName.selector);
    request.add("queryParams", string(abi.encodePacked("name=", _name)));
    return sendChainlinkRequest(request, fee);
  }

  function fulfillValidateName(bytes32 _requestId, bool _clean) public recordChainlinkFulfillment(_requestId) returns (bool success_) {
    (success_,) = registry.call(abi.encodeWithSignature("fulfillRequest(bytes32,bool)", _requestId, _clean));
  }

  function setRegistry(address _registry) external onlyOwner {
    registry = _registry;
  }

  function updateJobId(bytes32 _jobId) external onlyOwner {
    jobId = _jobId;
  }

  function updateFee(uint256 _fee) external onlyOwner {
    fee = _fee;
  }

  function withdrawalLink() external onlyOwner {
    LinkTokenInterface link = LinkTokenInterface(chainlinkTokenAddress());
    link.transfer(owner(), link.balanceOf(address(this)));
  }
}