Paymasters

import { Provider, Wallet } from "zksync-ethers";
import { getApprovalBasedPaymasterInput, getGeneralPaymasterInput, getPaymasterParams } from "zksync-ethers/build/paymaster-utils";

// Address of the deployed paymaster contract
const CONTRACT_ADDRESS = "YOUR-PAYMASTER-CONTRACT-ADDRESS";

// An example of a script to interact with the contract
export default async function () {
  const provider = new Provider("https://api.testnet.abs.xyz");
  const wallet = new Wallet(privateKey ?? process.env.WALLET_PRIVATE_KEY!, provider);
  const type = "General"; // We're using a general flow in this example

  // Create the object: You can use the helper functions that are imported!
  const paymasterParams = getPaymasterParams(
    CONTRACT_ADDRESS,
    {
      type,
      innerInput: getGeneralPaymasterInput({
        type,
        innerInput: "0x", // Any additional info to send to the paymaster. We leave it empty here.
      })
    }
  );

  // Submit tx, as an example, send a message to another wallet.
  const tx = await wallet.sendTransaction({
    to: "0x8e729E23CDc8bC21c37a73DA4bA9ebdddA3C8B6d", // Example, send message to some other wallet
    data: "0x1337", // Example, some arbitrary data
    customData: {
      paymasterParams, // Provide the paymaster params object here!
    }
  })

  const res = await tx.wait();
}