HannesExchange is a smart contract implementation of a decentralized exchange based on the constant product automated market maker model. It includes two versions: HannesExchangeV1 and HannesExchangeV2:
HannesExchangeV1: UsesETHas the base currency, supporting only directETH ↔ ERC20swapsHannesExchangeV2: Supports anyERC20token pair, removing theETHbase currency restriction
- Advanced role-based access control
- Emergency circuit breaker mechanism
- Comprehensive reentrancy protection
- Gas-optimized operations
- UUPS upgradeable design pattern
- Complete test coverage
- Solidity
- Foundry Framework
- OpenZeppelin Contracts
- Ethereum Sepolia Testnet
- Solidity
- Rust and Cargo
- Foundry Toolchain
- Git
curl -L https://foundry.paradigm.xyz | bash
foundryupgit clone https://github.com/hannesgao/HannesExchange.git
cd HannesExchangeforge installcp .env.example .env
# Edit .env with your configurationforge test -vvvvvforge script script/DeployHannesExchangeV1Factory.s.sol \
--rpc-url sepolia \
--broadcast \
--verifyforge script script/DeployHannesExchangeV1Pair.s.sol \
--rpc-url sepolia \
--broadcast \
--verifyforge script script/DeployHannesExchangeV2.s.sol:DeployHannesExchangeV2 \
--rpc-url sepolia \
--broadcast \
--verifyforge script script/DeployHannesExchangeV2.s.sol:CreatePairV2 \
--rpc-url sepolia \
--broadcast \
--verify- Role-based access control
- Emergency pause functionality
- Reentrancy protection
- Safe transfer implementations
- Overflow/underflow protection
- DoS attack prevention
- Comprehensive security checks
MIT License