Reproduce DeFi hacked incidents using Foundry.

Guidelines and training material to write secure smart contracts

To learn common smart contract vulnerabilities using Foundry!

Multicall: Aggregate multiple constant function call results into one

A collection of helpful contracts and libraries for use with Forge and Foundry

Dai Stablecoin System

State-of-the-art, highly opinionated, hyper-optimised, and secure 🐍Vyper smart contract building blocks.

This repo introduces a simple example of how to arbitrage trade on-chain using flash loans.

A DeFi Arbitrage Bot with DyDx Flashloans.

Pre-built security properties for common Ethereum operations

⏳ Smart contracts of the Sablier Lockup protocol

Development framework for Foundry projects

Foundry Repository Template that supports writing contracts in Huff using the foundry-huff library.

A Foundry template to compile and test Vyper contracts.

template for efficient paradigm ctf testing & scripts

Nomad Monorepo -- SDKs, Contracts, and more!

An example of a bot to extract long tail MEV from the Wolf Game

Optimised Uniswap V2 contracts written in Huff language

Defi Circuit Breaker

Collection of PoCs and exploits for DeFi and other Ethereum projects

Stop Loss Orders via Uniswap V4 Hooks

🔄 Arbitrage Uni v2 pools with flashloans

Most simple design of a stablecoin.

The world most gas efficient AMM implementation written in Huff based on Uniswap V1 implementation

Foundry template to run Proof of Concept (PoC) fork tests on any EVM compatible chain.

Liquid Collective protocol smart contracts