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testCallWithSyncFeeGetDataToSignERC2771.ts
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testCallWithSyncFeeGetDataToSignERC2771.ts
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import {
CallWithERC2771Request,
CallWithSyncFeeERC2771Request,
ERC2771Type,
GelatoRelay
} 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 RPC_URL = `https://rpc.mainnet.rootstock.io/${ROOTSTOCK_ID}`;
const provider = new ethers.JsonRpcProvider(RPC_URL);
const signer = new ethers.Wallet(process.env.PRIVATE_KEY as string, provider);
const relay = new GelatoRelay();
const testCallWithSyncFeeGetDataToSignERC2771 = async () => {
const counter = "0x00172f67db60E5fA346e599cdE675f0ca213b47b";
const abi = ["function increment()"];
const user = await signer.getAddress();
const chainId = (await provider.getNetwork()).chainId;
// Generate the target payload
const contract = new ethers.Contract(counter, abi, signer);
const { data } = await contract.increment.populateTransaction();
// address of the token to pay fees
const feeToken = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE";
// Populate a relay request
const request: CallWithSyncFeeERC2771Request = {
chainId,
target: counter,
data: data,
user: user,
feeToken: feeToken,
isRelayContext: true,
};
const { struct, typedData } = await relay.getDataToSignERC2771(
request,
ERC2771Type.SponsoredCall,
signer
);
const signature = await signer.signTypedData(
typedData.domain,
typedData.types,
typedData.message
);
const response = await relay.callWithSyncFeeERC2771WithSignature(
struct,
{feeToken,isRelayContext:true},
signature,
);
console.log(`https://relay.gelato.digital/tasks/status/${response.taskId}`);
};
testCallWithSyncFeeGetDataToSignERC2771();