MetaGuard Snap

MetaGuard Snap is a MetaMask Snap application that provides enhanced transaction security analysis for MetaMask users.

Features

• 🔍 Smart contract verification check
• 🛡️ Protection against potential phishing attacks
• ⚠️ High-risk transaction detection
• 💡 Security recommendations
• 📊 Risk level and security score calculation

Technologies

• React
• TypeScript
• MetaMask Snaps SDK
• Etherscan API
• GoPlus Security API
• Jest & React Testing Library

Installation

1. Clone the repository:

git clone https://github.com/qvkare/metaguard-snap.git
cd metaguard-snap

2. Install dependencies:

npm install

3. Start development server:

npm start

4. Run tests:

npm test

5. Create production build:

npm run build

Usage

1. Install the latest version of MetaMask
2. Install MetaGuard Snap
3. When attempting a transaction, MetaGuard will automatically perform security analysis

Security Checks

• Contract Verification: Checks if the smart contract's source code is verified on Etherscan
• Phishing Detection: Checks the address against known phishing attacks
• Risk Assessment: Calculates the risk level and score of the transaction
• Recommendations: Provides suggestions based on detected risks

Contributing

1. Fork this repository
2. Create a new branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Create a Pull Request

License

This project is licensed under the MIT License. See LICENSE file for details.

Contact

• GitHub: @qvkare
• Twitter: @qvkare