QFC DEX

AMM decentralized exchange (Uniswap V2 style) on QFC Network. Supports token swaps with 0.3% fee and liquidity provision.

Contracts

Contract	Description
DEXFactory	Creates and manages trading pairs
DEXPair	x*y=k AMM with LP token (QRC20)
DEXRouter	User-facing: swap, addLiquidity, removeLiquidity
WQFC	Wrapped native QFC token

Setup

npm install
cp .env.example .env  # Add your PRIVATE_KEY

Compile & Test

npx hardhat compile
npx hardhat test

Deploy to QFC Testnet

npx hardhat run scripts/deploy.ts --network qfc_testnet

Seed Liquidity

After deploying, set the addresses and run:

export FACTORY_ADDRESS=0x...
export ROUTER_ADDRESS=0x...
export WQFC_ADDRESS=0x...
npx hardhat run scripts/seed.ts --network qfc_testnet

Contract Addresses (Testnet)

Contract	Address
WQFC	TBD
DEXFactory	TBD
DEXRouter	TBD

Existing Tokens

Token	Address
TTK	0xff9427b41587206cea2b156a9967fb4d4dbf99d0
QDOGE	0xb7938ce567a164a216fa2d0aa885e32608b2e621

Frontend

cd frontend
npm install
npm run dev  # Runs on port 3250

Pages: Swap, Liquidity, Pools, My Positions

Architecture

DEXRouter
  └── DEXFactory
        └── DEXPair (x * y = k, 0.3% fee, LP Token)

License

MIT