Overview
We developed a full-featured Swap V2 smart contract, including:
Token Swap
Add Liquidity (Add LP)
Remove Liquidity (Remove LP)
Intuitive, gas-optimized interface
Key Features
1. Advanced Swap Mechanism
Competitive swap rates (0.3% standard fee, configurable)
Slippage protection with customizable tolerance
Support for multiple trading paths
Calculation optimization to minimize gas costs
2. Liquidity Management
Add Liquidity:
Proportional deposit of both tokens
LP token minting with price verification
Support for initial contributions (if first-time provider)
Remove Liquidity:
Proportional LP token burning
Withdrawal of both tokens based on pool participation
Accurate calculation of accrued fees
3. Enhanced Security
Audit Complete with unit tests
Reentrancy protection
Balance and price verification
Timelock for administrative functions
4. User Interface
Responsive and modern design
Display of:
Token balance
Real-time prices
Transaction history
LP yield (estimated APY)
Customer Benefits
Cost savings: Operation optimization to reduce gas fees
Flexibility: Customizable fee and parameter settings
Security: Code audited and mainnet-tested
Scalability: Ready for high transaction volumes
Technical Requirements
Supported blockchain: EVM (Ethereum, BSC, Polygon, etc.)
Language: Solidity 0.8+
Frameworks: Hardhat/Truffle, OpenZeppelin
Testing: Mocha/Chai with coverage >95%
Deliverables
Audited smart contracts
Full web interface
Technical and user documentation
Deployment and verification scripts
Differentiators
Oracle integration for greater accuracy
Support for tokens with different decimals
Anti-frontrunning mechanisms
Analytics dashboard for liquidity providers