ERC4337 Account Abstraction Project

This project aims to leverage the ERC4337 Ethereum Protocol to implement Account Abstraction with a simple Account management system. The project provides the following features:

• Create Account: Provides the option to create a new account, with an additional capability to create an account from a signing key.
• Find Account by ID: Enables users to search for an account using a unique account ID.
• Get Smart Wallet Address: Retrieves the address of a smart wallet associated with an account.
• Transfer ETH: Enables users to transfer Ethereum (ETH) from one account to some Ethereum address.
• Transfer ERC20 token: Allows users to transfer ERC20 tokens from one account to some Ethereum address.

Getting Started

To get started with the project, follow these steps:

1. Clone the repository:

git clone https://github.com/thunderjr/erc-4337-account-factory-nestjs

2. Navigate to the project directory:

cd erc-4337-account-factory-nestjs

3. Install the dependencies:

yarn install

4. Configure the Ethereum network settings:

   • Rename the .env.example file to .env in the project root directory.
   • Set your network provider RPC URL in the RPC_URL variable.
   • The PAYMASTER_URL is only required if you're sending withPaymaster on the request's body.

5. Start the application:

yarn start

Usage

Once the application is running, you can interact with the API endpoints to perform various operations. Below are the available API endpoints:

• POST /account: Create a new account.
• GET /account/:id: Get account details by ID.
• GET /accounts/:id/address: Get the smart wallet address associated with an account.
• POST /transaction/transfer: Transfer ETH from one account to some Ethereum address.
• POST /transaction/erc20-transfer: Transfer ERC20 tokens from one account to some Ethereum address.