Smart-Contracts audit - DeFiHacksLabs

Solidity Code Review and Security Audit Report by the DeFiHackLabs Assistant tool.

General Review:

• Contract Structure: The code includes three contracts: WrappedLYX, Bridge, and AbstractDAO.
• Code Quality: Well-structured, follows Solidity conventions, and good use of OpenZeppelin contracts.

Security Audit:

• Reentrancy Guard: Good practice with the nonReentrant modifier.
• Access Control: Effective use of Ownable and custom access control.
• Input Validation: Important to check all inputs for validity.
• Use of Inline Assembly: Powerful but requires caution.
• Nonces for Transaction Uniqueness: Essential for preventing replay attacks.
• Vote Manipulation in AbstractDAO: Ensure no way to manipulate votes.
• Error Messages: Consistent and informative revert messages used.
• Gas Optimization: Some functions may be gas-inefficient.
• Upgradability and Modularity: Consideration for future upgradability.
• External Contract Interactions: Secure interactions are crucial.
• Testing and Auditing: Comprehensive testing is essential.

Test Coverage from Hardhat:

• Overall Coverage: High scores across Statements (98%), Branches (91.35%), Functions (100%), and Lines (98.92%).
• Individual Contract Coverage: Excellent coverage for Bridge.sol and wLYX.sol; some lines in AbstractDAO.sol not covered.

Recommendations:

• Ensure thorough documentation.
• Optimize code for readability and gas efficiency.
• Perform a professional security audit before deployment.

Overall Score: 8.5/10