Sponsor Gas for EIP-7702

import { createZeroDevPaymasterClient } from "@zerodev/sdk";
import { create7702KernelAccount, create7702KernelAccountClient } from "@zerodev/ecdsa-validator";
import { http } from "viem";

const paymasterClient = createZeroDevPaymasterClient({
  chain: CHAIN,
  transport: http(PAYMASTER_RPC),
});

const kernelAccount = await create7702KernelAccount(publicClient, {
  signer: viemAccount,
  entryPoint: { address: entryPoint07Address, version: "0.7" },
  kernelVersion: "0.3.1",
});

const kernelClient = create7702KernelAccountClient({
  account: kernelAccount,
  chain: CHAIN,
  bundlerTransport: http(BUNDLER_RPC),
  paymaster: paymasterClient,
  client: publicClient,
});

// Transactions are now sponsored
const hash = await kernelClient.sendTransaction({
  calls: [{ to: "0x...", data: "0x", value: 0n }],
});

import { gelato } from "@gelatonetwork/smartwallet/accounts";
import { createGelatoSmartWalletClient } from "@gelatonetwork/smartwallet";
import { createWalletClient, createPublicClient, http } from "viem";

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

const smartAccount = await gelato({
  owner: viemAccount,
  client: publicClient,
});

const walletClient = createWalletClient({
  account: smartAccount,
  chain: CHAIN,
  transport: http(),
});

const smartWalletClient = await createGelatoSmartWalletClient(walletClient, {
  apiKey: GELATO_API_KEY,
});

// Transactions are sponsored via your API key
const hash = await smartWalletClient.sendTransaction({
  to: "0x...",
  value: 0n,
  data: "0x",
});

import { Chains } from "porto";
import { Account, RelayActions } from "porto/viem";
import { createClient, http } from "viem";

const portoClient = createClient({
  chain: Chains.baseSepolia,
  transport: http("https://rpc.porto.sh"),
});

// Porto relay service sponsors gas automatically
const receipt = await RelayActions.sendCalls(portoClient, {
  account: portoAccount,
  calls: [
    {
      to: "0x...",
      value: 0n,
      data: "0x",
    },
  ],
});