A simple Automated Market Maker (AMM) protocol deployed on the Monad Testnet, enabling swaps between native Monad ETH and a custom ERC-20 token. Liquidity Providers (LPs) are rewarded with LP tokens and collectible NFT badges.
| Contract | Address |
|---|---|
| MonadAMM | 0x83f447FAb4E1267Ca5fd6Ebe151a93b462EFfC7F |
| TokenA | 0x01Ff59B9B758f1ee919F711a72a7C7F6caF33A16 |
| LPToken | 0xb461f2Cfe3F8a540253736C921befA86E17E54Ff |
| LPBadge | 0x100673004E80AAe018e3C6d1Ec60A1A56C7E9c8B |
- 🔁 Swap: Trade between Monad ETH and TokenA.
- 💧 Add Liquidity: Contribute ETH and TokenA to earn LP tokens.
- 🪙 LP Tokens: Track your share in the liquidity pool.
- 🏆 LP Badges: Earn NFT-based rewards for providing liquidity.
- 🛡️ Slippage Protection: Ensures minimum amount received.
- 🧮 Charity Fee: A small portion of fees is directed to a charity wallet.
Users can swap Monad ETH for TokenA and vice versa using constant product formula (x * y = k).
- LPs supply equal value of
TokenAand native ETH. - In return, they receive:
AMMLPtokens (ERC-20) representing their share.- NFT LP Badge as a reward for participation.
Before adding liquidity:
- Approve
TokenAto the AMM contract.
- Solidity ^0.8.20
- OpenZeppelin Contracts
- Hardhat + Ethers.js
- Remix (for manual testing)
- IPFS (for LP Badge metadata)
git clone https://github.com/your-username/monad-amm.git
cd monad-amm
# Install dependencies
npm install
# Compile contracts
npx hardhat compile
# Deploy to Monad Testnet
npx hardhat run scripts/deploy.js --network monadTestnet