// SPDX-License-Identifier: MIT
pragma solidity ^0.7.6;
import "@goplugin/contracts2_3/src/v0.7/Operator.sol";
While deploying this contract, need to give the “PLI” as “0xFf7412Ea7C8445C46a8254dFB557Ac1E48094391” for Mainnet and for “Owner” , the wallet address from which you are going to deploy.
Once the contract is deployed, note down the oracle contract address.
Node Fulfillment:
In the deployed Oracle click on ‘setAuthorizedSenders’ button and pass on the node address in array format e.g([‘<Node_address>’], replace ‘xdc’ to ‘0x’ in the node address) and click on the ‘transact’.
JOB SUBMISSION:
In the Jobs Section, click on the “New Job” button.
Now, submit the below Job Spec and press the “Create job” button.
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;
import "@goplugin/contracts2_3/src/v0.8/PluginClient.sol";
import "@goplugin/contracts2_3/src/v0.8/ConfirmedOwner.sol";
/**
* THIS IS AN EXAMPLE CONTRACT WHICH USES HARDCODED VALUES FOR CLARITY.
* THIS EXAMPLE USES UN-AUDITED CODE.
* DO NOT USE THIS CODE IN PRODUCTION.
*/
contract APIConsumer is PluginClient, ConfirmedOwner {
using Plugin for Plugin.Request;
uint256 public volume;
bytes32 private jobId;
uint256 private fee;
event RequestVolume(bytes32 indexed requestId, uint256 volume);
/**
* @notice Initialize the pli token and target oracle
*
* Details:
* A. Pli Token for Apothem: 0x33f4212b027E22aF7e6BA21Fc572843C0D701CD1
* B. Oracle: 0x6090149792dAAeE9D1D568c9f9a6F6B46AA29eFD (Plugin DevRel)
* C. jobId: ca98366cc7314957b8c012c72f05aeeb
*
*/
constructor() ConfirmedOwner(msg.sender) {
setPluginToken(0x33f4212b027E22aF7e6BA21Fc572843C0D701CD1);//Pli address as mentioned in ‘A’
setPluginOracle(0x06b321e3da4a5c67fBF074bb48C6408074bDD785);//Oracle address
jobId = "53034a3f099949f787937a96fa3e9a32";//Job ID as stored in ‘C’ JOB SUBMISSION
fee = (0.001 * 1000000000000000000) / 10;
}
/**
* Create a Plugin request to retrieve API response, find the target
* data, then multiply by 1000000000000000000 (to remove decimal places from data).
*/
function requestVolumeData() public returns (bytes32 requestId) {
Plugin.Request memory req = buildPluginRequest(
jobId,
address(this),
this.fulfill.selector
);
// Set the URL to perform the GET request on
// req.add(
// "get",
// "<sample_api_link>/data/pricemultifull?fsyms=ETH&tsyms=USD"
// );
req.add(
"get",
"<sample_api_link>/data/price?fsym=XDC&tsyms=USDT"
);
// Multiply the result by 1000000000000000000 to remove decimals
int256 timesAmount = 10 ** 18;
req.addInt("times", timesAmount);
// Sends the request
return sendPluginRequest(req, fee);
}
/**
* Receive the response in the form of uint256
*/
function fulfill(
bytes32 _requestId,
uint256 _volume
) public recordPluginFulfillment(_requestId) {
emit RequestVolume(_requestId, _volume);
volume = _volume;
}
/**
* Allow withdraw of Link tokens from the contract
*/
function withdrawPli() public onlyOwner {
PliTokenInterface pli = PliTokenInterface(PluginTokenAddress());
require(
pli.transfer(msg.sender, pli.balanceOf(address(this))),
"Unable to transfer"
);
}
}
Once the contract is deployed, fund the contract with 0.1 PLI and click on ‘requestVolumeData’ & wait for few minutes and then click on ‘volume’ to get the XDC-USDT value.
3. Once the Job has been submitted successfully, copy the External Job ID and remove the hyphen(‘-’) from the job ID
CONSUMER CONTRACT
