Deploy a contract gaslessly

An API key is required to use the infrastructure to power gasless transactions. Visit https://app.rallyprotocol.com/ to generate both Amoy and Mainnet Polygon API keys.

Deploy contracts with the relay method

To gaslessly deploy a contract, create a GSN transaction object and use the relay() method to send the transaction to our relayer.

import { RlyAmoyNetwork } from 'rly-network-mobile-sdk';
import ethers from 'ethers';
....

//get web3 provider

const provider = new ethers.providers.JsonRpcProvider(providerUrl);

//get instance of your contract 

const myContract =  new ethers.Contract(contractAddress, contractAbi, signer);

//populate raw transaction object
const tx = await myContract.populateTransaction.myMethod.(
    param1,
    param2
  );

//get gas estimate for transaction
  const gas = await myContract.estimateGas.myMethod.(param1, param2);

//get current network fee data
  const { maxFeePerGas, maxPriorityFeePerGas } = await provider.getFeeData();

//create relay tx object

  const gsnTx = {
    from: account.address,
    data: tx.data,
    to: tx.to,
    gas: gas._hex,
    maxFeePerGas: maxFeePerGas._hex,
    maxPriorityFeePerGas: maxPriorityFeePerGas._hex,
  } as GsnTransactionDetails;

// relay transaction 

await RlyAmoyNetwork.relay(gsnTx);