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DIDrequest.sol

/** This example code is designed to quickly deploy an example contract using Remix.
 *  If you have never used Remix, try our example walkthrough: https://docs.chain.link/docs/example-walkthrough
 *  You will need testnet ETH and LINK.
 *     - Kovan ETH faucet: https://faucet.kovan.network/
 *     - Kovan LINK faucet: https://kovan.chain.link/
 */
// deploy this to address: 0xB90556f06d1347aEa4E41d78BA36fEEb2DD98A0C

pragma solidity ^0.6.6;

import "https://raw.githubusercontent.com/smartcontractkit/chainlink/develop/evm-contracts/src/v0.6/ChainlinkClient.sol";

contract DIDConsumer is ChainlinkClient {
  
    bytes32 public DIDdocument;
    
    address private oracle;
    bytes32 private jobId;
    uint256 private fee;
    
    /**
     * Network: Kovan
     * Oracle: Chainlink - 0xC5ebDFe933D65731AAce438D945F1817c02ffE8B
     * Job ID: Chainlink - 8f5051fb3cdc4ae491b06c6bd6d90b79
     * Sample request Contract: 0x9b767eb863AFd6cC1A80040D4050103f49B337c1
     * Fee: 1 LINK
     */
    constructor() public {
        setPublicChainlinkToken();
        oracle = 0x53912D3EE483Ac1549E1d47f154867aDf06DBa42;
        jobId = "91a1ad73762844df8cf959fc2fb07bdf";
        fee = 1 * 10 ** 18; // 1 LINK
    }
    
    /**
     * Create a Chainlink request to retrieve API response, find the target price
     * data, then multiply by 100 (to remove decimal places from price).
     */
    function requestDIDresolve(string memory _DID_id) public returns (bytes32 requestId) 
    {
        Chainlink.Request memory request = buildChainlinkRequest(jobId, address(this), this.fulfill.selector);
        
        // Set the URL to perform the GET request on
        // sample DID_id:    "did:sov:WRfXPg8dantKVubE3HX8pw" (good) or "did:bid:6cc796b8d6e2fbebc9b3cf9e" (bad)
        request.add("get", append("https://dev.uniresolver.io/1.0/identifiers/", _DID_id));
        
        string[] memory path = new string[](2);
        path[0] = "didDocument";
        path[1] = "id";
        
        request.addStringArray("path", path);
        // Sends the request
        return sendChainlinkRequestTo(oracle, request, fee);
    }
    
    /**
     * Receive the response in the form of uint256
     */ 
    function fulfill(bytes32 _requestId, bytes32 _result) public recordChainlinkFulfillment(_requestId)
    {
        DIDdocument = _result;
    }
    
    function append(string memory a, string memory b) internal pure returns (string memory) {
      return string(abi.encodePacked(a, b));
    }
}

http://link.muzamint.com:6688/jobs/91a1ad73762844df8cf959fc2fb07bdf