/erc4337-playground

Primary LanguageTypeScript

Implementation of contracts for ERC-4337 account abstraction via alternative mempool.

contracts

contract address
EntryPoint(stack up) 0x0576a174D229E3cFA37253523E645A78A0C91B57
SimpleAccountFactory(stack up) 0x71D63edCdA95C61D6235552b5Bc74E32d8e2527B
SimpleAccount 0x8E00E6c2823B855DE57eD508331308660c979F43
TokenPaymaster 0x3E9da1e6111B9140858c7b2171cc5e6C2A33D09C

send transaction

  1. setup config.json
    1. yarn run init
    2. set your stackup api key to <API-KEY>
  2. generate your wallet account address
    1. yarn run simpleAccount address
    2. when the transaction is sent, contract account is deployed to this address.
  3. deposit native token to your wallet account
    1. recommend to use mumbai faucet or metamask
  4. deposit erc20 token to your wallet account
    1. recommend to use mumbai faucet
  5. transfer native token from wallet account to another account
    1. yarn run simpleAccount transfer --to <to-address> --amount <amount>
    2. yarn run simpleAccount transfer --to 0xf4aAA4b38a0E749415E37638879BeDfe47645a77 --amount 0.01
  6. transfer erc20 token from wallet account to another account
    1. yarn run simpleAccount erc20Transfer --token <erc20-contract-address> --to <to-address> --amount <amount>
    2. yarn run simpleAccount erc20Transfer --token 0xfe4f5145f6e09952a5ba9e956ed0c25e3fa4c7f1 --to 0xf4aAA4b38a0E749415E37638879BeDfe47645a77 --amount 0.01

send transaction using paymaster

  1. set .env
    1. paramas are ENTRY_POINT_ADDRESS, ACCOUNT_FACTORY_ADDRESS and ACCOUNT_ADDRESS
  2. deploy paymaster
    1. yarn paymaster:deploy
    2. set address to PAYMASTER_ADDRESS
  3. setup paymaster included following tasks
    1. yarn paymaster:setup
    2. stake ETH to EntryPoint
    3. deposit ETH to EntryPoint
    4. mint ERC20 to Account for using ERC20 as gas
  4. transfer native token from wallet account to another account with paymaster
    1. yarn run simpleAccount transfer --to <to-address> --amount <amount> --withPaymaster
    2. yarn run simpleAccount transfer --to 0xf4aAA4b38a0E749415E37638879BeDfe47645a77 --amount 0.01 --withPaymaster
  5. transfer erc20 token from wallet account to another account with paymaster
    1. yarn run simpleAccount erc20Transfer --token <erc20-contract-address> --to <to-address> --amount <amount> --withPaymaster
    2. yarn run simpleAccount erc20Transfer --token 0xfe4f5145f6e09952a5ba9e956ed0c25e3fa4c7f1 --to 0xf4aAA4b38a0E749415E37638879BeDfe47645a77 --amount 0.01 --withPaymaster

Resources

Vitalik's post on account abstraction without Ethereum protocol changes

ETH Infinitism

Stackup