Boilerplate for React Native with BitcoinJS Library

This is a boilerplate for React Native with BitcoinJS Library. It includes a simple UI to generate a Bitcoin address.

Features

• Generates Bitcoin mainnet addresses
• Displays public key and address
• Error handling and user feedback
• Native SegWit (P2WPKH) address format

Prerequisites

• Node.js (v14 or later)
• npm or yarn
• Expo CLI
• React Native development environment

Install and run

1. Clone the repository
2. Run npm install
3. Run npm run ios or npm run android

Dependencies

• bitcoinjs-lib: Bitcoin library for address generation
• @bitcoinerlab/secp256k1: Elliptic curve cryptography implementation
• react-native-get-random-values: Cryptographic random number generation
• buffer: Buffer implementation for React Native
• process: Process polyfill for React Native

Development

The project uses TypeScript for type safety and follows React Native best practices. Key components:

• BitcoinService: Handles Bitcoin address generation
• crypto-setup.ts: Sets up required crypto polyfills
• App.tsx: Main UI component with address display and generation

Usage

1. Launch the app
2. The app will automatically generate an initial address
3. Tap "Generate Address" to create a new Bitcoin address
4. The address and any errors will be displayed on screen

License

MIT

Contributing

1. Fork the repository
2. Create your feature branch
3. Commit your changes
4. Push to the branch
5. Create a new Pull Request