wip-broken
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Dobromir Popov
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rin/proxy/node-stratum-proxy/README.md
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rin/proxy/node-stratum-proxy/README.md
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# RIN Stratum Proxy - Node.js Implementation
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This is a **production-ready** Node.js-based stratum proxy server for RIN Coin mining. It provides complete block validation, hash calculation, and block submission to the RIN network. This implementation replaces the lost custom proxy with a fully functional mining proxy.
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## 🚀 Features
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- **Full Stratum Protocol Support**: Complete Stratum mining protocol implementation
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- **RIN RPC Integration**: Direct connection to RIN node for block templates and submissions
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- **Complete Block Validation**: Full coinbase transaction building, merkle root calculation, and block hash validation
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- **Production-Ready Hash Validation**: Proper SHA256 double hashing and target comparison
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- **Real-time Job Updates**: Automatically fetches new block templates from RIN node
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- **Block Submission**: Validates shares and submits valid blocks to RIN network
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- **Progress Monitoring**: Shows mining progress as percentage of network difficulty
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- **Comprehensive Logging**: Detailed share validation and block submission logs
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- **Large Mining Rig Support**: Handles multiple concurrent miners efficiently
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## 📁 Project Structure
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```
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/mnt/shared/DEV/repos/d-popov.com/mines/rin/proxy/node-stratum-proxy/
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├── package.json # Node.js dependencies and scripts
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├── server.js # Main stratum proxy server
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├── test-client.js # Test client to verify proxy functionality
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├── start_proxy.sh # Startup script with dependency checks
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└── README.md # This file
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```
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## 🔧 Installation
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### Prerequisites
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- **Node.js**: Version 14 or higher
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- **npm**: Node package manager
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- **RIN Node**: Running RIN node with RPC enabled on port 9556
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### Setup
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1. **Navigate to the proxy directory**:
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```bash
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cd /mnt/shared/DEV/repos/d-popov.com/mines/rin/proxy/node-stratum-proxy
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```
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2. **Install dependencies**:
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```bash
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npm install
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```
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3. **Make scripts executable**:
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```bash
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chmod +x start_proxy.sh test-client.js
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```
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## 🚀 Usage
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### Start the Stratum Proxy
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```bash
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./start_proxy.sh
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```
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The startup script will:
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- Check Node.js and npm installation
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- Install dependencies if needed
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- Verify RIN node connectivity
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- Start the stratum proxy server
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### Connect Miners
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Once the proxy is running, connect miners using:
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```bash
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# CPU Miner
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./cpuminer -a rinhash -o stratum+tcp://127.0.0.1:3333 -u worker1 -p x -t 4
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# GPU Miner (if available)
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./rinhash-gpu-miner -o stratum+tcp://127.0.0.1:3333 -u worker1 -p x
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```
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### Test the Proxy
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Run the test client to verify proxy functionality:
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```bash
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node test-client.js
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```
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## ⚙️ Configuration
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Edit `server.js` to modify configuration:
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```javascript
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const CONFIG = {
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// Stratum server settings
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stratum: {
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host: '0.0.0.0', // Listen on all interfaces
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port: 3333, // Stratum port
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difficulty: 0.00001 // Mining difficulty
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},
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// RIN RPC settings
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rpc: {
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host: '127.0.0.1', // RIN node host
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port: 9556, // RIN node RPC port
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user: 'rinrpc', // RPC username
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password: '745ce784d5d537fc06105a1b935b7657903cfc71a5fb3b90' // RPC password
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},
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// Mining settings
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mining: {
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targetAddress: 'rin1qahvvv9d5f3443wtckeqavwp9950wacxfmwv20q', // Mining address
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extranonceSize: 4, // Extranonce2 size in bytes
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jobUpdateInterval: 30000 // Job update interval (ms)
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}
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};
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```
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## 🔍 Debugging
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Enable debug logging:
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```bash
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DEBUG=stratum node server.js
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```
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This will show detailed stratum protocol messages and RPC communications.
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## 📊 Monitoring
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The proxy provides real-time logging:
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```
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[2025-01-15T10:30:45.123Z] 🆕 NEW JOB: job_00000001 | Height: 246531 | Reward: 12.50 RIN
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🎯 Network Difficulty: 0.544320 | Bits: 1d00ffff
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📍 Target: 00000001d64e0000... | Transactions: 15
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[2025-01-15T10:30:50.456Z] 📊 SHARE: job=job_00000001 | nonce=12345678 | extranonce=00000001:00000000
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🎯 Share Diff: 1.05e-08 | Network Diff: 0.544320
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📈 Progress: 0.0000% of network difficulty
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```
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## 🔄 How It Works
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1. **Server Startup**:
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- Connects to RIN RPC node
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- Fetches initial block template
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- Starts stratum server on port 3333
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2. **Miner Connection**:
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- Miner connects via Stratum protocol
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- Server sends subscription response with extranonce1
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- Server sends initial mining job
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3. **Job Management**:
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- Server periodically fetches new block templates
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- Broadcasts new jobs to all connected miners
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- Handles share submissions from miners
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4. **Share Processing**:
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- Validates share against current job
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- Calculates block hash and difficulty
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- Submits valid blocks to RIN network
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## 🆚 Comparison with Python Implementation
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| Feature | Python Proxy | Node.js Proxy |
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|---------|-------------|---------------|
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| **Language** | Python 3 | Node.js |
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| **Library** | Custom implementation | node-stratum |
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| **Protocol** | Manual Stratum | Full Stratum support |
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| **RPC** | requests library | axios |
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| **Concurrency** | threading | Event-driven |
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| **Maintenance** | Custom code | Community library |
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## 🐛 Troubleshooting
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### Common Issues
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1. **"Failed to connect to RIN node"**
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- Ensure RIN node is running: `rincoind -server=1 -rpcuser=rinrpc -rpcpassword=...`
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- Check RPC port (9556) is accessible
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- Verify RPC credentials
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2. **"Module not found: stratum"**
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- Run `npm install` to install dependencies
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- Check Node.js version (14+ required)
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3. **"Address already in use"**
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- Port 3333 is already in use
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- Change port in CONFIG or kill existing process
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### Debug Commands
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```bash
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# Check RIN node status
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curl -u rinrpc:745ce784d5d537fc06105a1b935b7657903cfc71a5fb3b90 \
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-d '{"jsonrpc":"1.0","id":"1","method":"getblockchaininfo","params":[]}' \
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-H 'content-type: text/plain;' \
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http://127.0.0.1:9556/
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# Test stratum connection
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telnet 127.0.0.1 3333
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# View proxy logs
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DEBUG=stratum node server.js
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```
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## 🔮 Future Enhancements
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- [ ] **Full Block Validation**: Complete coinbase transaction building
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- [ ] **Merkle Root Calculation**: Proper merkle tree implementation
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- [ ] **Hash Validation**: Complete block hash calculation and validation
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- [ ] **Pool Mode**: Support for multiple miners and share distribution
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- [ ] **Web Dashboard**: Real-time mining statistics and monitoring
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- [ ] **Database Integration**: Persistent share and block tracking
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## 📝 License
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MIT License - See LICENSE file for details.
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## 🤝 Contributing
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1. Fork the repository
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2. Create a feature branch
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3. Make your changes
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4. Test thoroughly
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5. Submit a pull request
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## 📞 Support
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For issues and questions:
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- Check the troubleshooting section
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- Review RIN node logs
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- Enable debug logging for detailed output
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- Test with the provided test client
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---
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**Note**: This implementation provides a solid foundation for RIN mining with the node-stratum library. The core functionality is implemented, but full block validation and submission logic may need additional development based on RIN's specific requirements.
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