testConcurrentSponsoredCallERC2771.ts

import { CallWithConcurrentERC2771Request, GelatoRelay, SponsoredCallRequest } from "@gelatonetwork/relay-sdk";
import { ethers } from "ethers";
import * as dotenv from "dotenv";

dotenv.config({ path: ".env" });

const ROOTSTOCK_ID = process.env.ROOTSTOCK_ID;
const GELATO_RELAY_API_KEY = process.env.GELATO_RELAY_API_KEY;

const RPC_URL = `https://rpc.mainnet.rootstock.io/${ROOTSTOCK_ID}`;

const provider = new ethers.JsonRpcProvider(RPC_URL);
const signer = new ethers.Wallet(process.env.PRIVATE_KEY as string, provider);
console.log(signer.address)
const relay = new GelatoRelay();


const testConcurrentSponsoredCallERC2771 = async () => {
    const counter = "0x00172f67db60E5fA346e599cdE675f0ca213b47b"; 
    const abi = ["function increment()"];

    const user = await signer.getAddress();
    
    const chainId = (await provider.getNetwork()).chainId

    // Generate the target payload
    const contract = new ethers.Contract(counter, abi, signer);
    const { data } = await contract.increment.populateTransaction();
    
    // Populate a relay request
    const request: CallWithConcurrentERC2771Request = {
      chainId,
      target: counter,
      data: data as string,
      user: user as string,
      isConcurrent:true
    };
    
    // Without a specific API key, the relay request will fail! 
    // Go to https://relay.gelato.network to get a testnet API key with 1Balance.
    // Send a relay request using Gelato Relay!
    const response = await relay.sponsoredCallERC2771(request, signer, GELATO_RELAY_API_KEY as string);

    console.log(`https://relay.gelato.digital/tasks/status/${response.taskId}`)

}


testConcurrentSponsoredCallERC2771()