Quick Start Guide

Get up and running with EntryPoint v0.8 and 7702 UserOperations in under 5 minutes! This guide will walk you through with installing the necessary dependencies and creating bundler client.

Installation

Install Required Packages

npm i @etherspot/free-bundler
# or
yarn add @etherspot/free-bundler
# or
bun add @etherspot/free-bundler

Getting Started

1. Get list of all supported networks (including testnets)

import {getSupportedChainIds} from '@etherspot/free-bundler';

const supportedChainIds = getSupportedChainIds();

2. Get common bundler and rpc url for a given chain id

import { getFreeBundlerUrl } from '@etherspot/free-bundler';

const chainId = 1;
const bundlerAndRpcUrl = getFreeBundlerUrl(chainId);

3. Create bundler client

Refer here for more actions using bundler client which involves eth_estimateUserOperationGas, eth_sendUserOperation etc.

import { createFreeBundler } from '@etherspot/free-bundler';
import { publicActions, walletActions } from 'viem';
import { mainnet } from "viem/chains";

const chain = mainnet;
const bundlerClient = createFreeBundler({chain});

// optionally extend the client to use public and wallet actions
const commonClient = createFreeBundler({chain})
                      .extend(publicActions)
                      .extend(walletActions);

1. Constructing UserOps - Create and Send UserOp

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