Sponsored paymaster

import { http, createPublicClient } from "viem"
import { soneiumMinato } from "viem/chains"
import {
  createSCSPaymasterClient,
  createSmartAccountClient,
  toStartaleSmartAccount,
} from "@startale-scs/aa-sdk"

const publicClient = createPublicClient({ chain: soneiumMinato, transport: http() })

const paymasterClient = createSCSPaymasterClient({
  transport: http(process.env.PAYMASTER_URL!),
})

const account = await toStartaleSmartAccount({
  signer,
  chain: soneiumMinato,
  transport: http(),
  index: 0n,
})

const smartAccountClient = createSmartAccountClient({
  account,
  transport: http(process.env.BUNDLER_URL!),
  client: publicClient,
  paymaster: paymasterClient,
  paymasterContext: {
    paymasterId: process.env.PAYMASTER_ID!,
  },
})

import { type Address, encodeFunctionData } from "viem"

const callData = encodeFunctionData({
  abi: counterAbi,
  functionName: "count",
})

const hash = await smartAccountClient.sendUserOperation({
  calls: [
    {
      to: counterAddress as Address,
      data: callData,
      value: 0n,
    },
  ],
})

const receipt = await smartAccountClient.waitForUserOperationReceipt({ hash })