TEMPLATE · SOLIDITY + MARKDOWN · 9 KB

ERC-4337 paymaster starter

Gasless UX · ERC-4337 paymaster contract + bundler integration template. Compatible with Arbitrum, Base, Optimism, Polygon. MIT.

Download (Markdown + Solidity)Blockchain →

Complete paymaster template for ERC-4337 · ERC-20-paid gas, whitelist, spending limits, rate-limits. With Biconomy / Alchemy bundler integration examples.

WHAT'S INSIDE

·Paymaster contract (Solidity 0.8.26)
·ERC-20 gas payment with token whitelist
·User spending limit + rate limit enforcement
·Biconomy + Alchemy bundler integration
·Foundry invariant test suite

Want a custom version?

A tailored audit or template delivered in 2 weeks · DField Solutions, Budapest.

Get a quote →