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Crypto 🪙

Crypto is a SwiftUI application that provides real-time cryptocurrency data fetched from the CoinGecko API. The app is architected using the MVVM design pattern, employs Core Data for local storage, and leverages Combine for reactive programming.

📱 Features

• Live Cryptocurrency Prices: Real-time price updates from CoinGecko API.
• Favorites Management: Mark cryptocurrencies as favorites for quick access.
• Historical Data & Charts: View historical trends of selected cryptocurrencies.
• Offline Portfolio Support: Core Data integration allows offline access to the portfolio section only.

🛠 Technologies & Frameworks

• SwiftUI: Modern, declarative UI framework for building iOS apps.
• MVVM Architecture: Clean separation of concerns with Model-View-ViewModel.
• Core Data: Persistent storage for offline portfolio support.
• Combine: Apple’s reactive framework for handling asynchronous events.
• CoinGecko API: Fetches live cryptocurrency data and historical trends.

🏗️ Project Structure

The project follows the MVVM architecture, with a structured organization as follows:

• Model: Defines the data structure for cryptocurrency information.
• ViewModel: Manages data handling and transforms it for the view.
• View: SwiftUI views that update based on data changes.
• Services: API layer for CoinGecko integration.
• CoreData: Persistence layer for offline data storage of the portfolio.

🗄️ Core Data

Core Data is used to persist data locally for the portfolio section, ensuring users have access to their portfolio information even when offline.

🌐 API Integration

The app uses the CoinGecko API for cryptocurrency data. Make sure to review the API documentation for rate limits and usage policies.

• Endpoint: /coins/markets for market data
• Parameters: vs_currency, ids, and other optional filters

🧩 Dependencies

• CoinGecko API: Provides cryptocurrency market data.

📝 License

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

👥 Author

Abhishek Raj Mohan Verma