🏛️ Gujarat LandChain

Secure, Transparent Land Registry Powered by Blockchain Technology

🌟 Overview

Gujarat LandChain is a comprehensive blockchain-based land registry system that combines the power of Solana blockchain, AI-driven dispute resolution, and satellite imagery to create a transparent, secure, and efficient land management platform for the state of Gujarat, India.

✨ Key Features

🗺️ Interactive Property Map

• Real-time property visualization with satellite imagery
• ULPIN (Unique Land Parcel Identification Number) integration
• Property status tracking (Verified, Pending, Disputed)
• Interactive markers with detailed property information

🔐 Blockchain Integration

• Solana smart contracts for land registration
• NFT minting for property ownership
• Cross-chain atomic swaps
• Secure wallet integration (Phantom, Solflare)

🤖 AI-Powered Dispute Resolution

• Automated evidence bundle generation
• AI-driven dispute analysis
• Governance voting interface for officials
• Real-time dispute tracking

📱 Multi-Platform Applications

• Citizen PWA: Mobile-first citizen portal
• Official Dashboard: Administrative interface
• Governance Interface: Dispute resolution system

🚀 Quick Start

Prerequisites

• Node.js 18+
• Python 3.11+
• Solana CLI
• Docker (optional)

Installation

# Clone the repository
git clone https://github.com/nik132-eng/gujarat-landchain.git
cd gujarat-landchain

# Install dependencies
npm install

# Start the development environment
./quick-start.sh

Running Individual Components

# Citizen PWA
cd apps/citizen-pwa
npm run dev

# Official Dashboard
cd apps/official-dashboard
npm run dev

# Solana Programs
cd contracts/solana
cargo build

🏗️ Project Structure

gujarat-landchain/
├── apps/
│   ├── citizen-pwa/          # Next.js citizen portal
│   └── official-dashboard/   # Administrative interface
├── contracts/
│   ├── solana/              # Solana smart contracts
│   └── ethereum/            # Ethereum bridge contracts
├── agents/                  # AI agents for dispute resolution
├── services/               # Backend microservices
├── infrastructure/         # Deployment configurations
└── scripts/               # Utility scripts

🛠️ Technology Stack

Frontend

• Next.js 15.4.2 - React framework
• TypeScript - Type safety
• Tailwind CSS - Styling
• Leaflet - Interactive maps

Blockchain

• Solana - Primary blockchain
• Anchor Framework - Smart contract development
• Ethereum - Cross-chain bridge
• Hardhat - Ethereum development

AI & ML

• Julia - AI agent development
• Python - ML pipelines
• LangChain - Legal document processing

Infrastructure

• Docker - Containerization
• Kubernetes - Orchestration
• PostgreSQL - Database
• Redis - Caching

🎯 Demo Features

Property Management

• Register new land parcels with ULPIN
• View satellite imagery for properties
• Track ownership transfers
• Verify property documents

Dispute Resolution

• Submit dispute cases
• AI-generated evidence bundles
• Official voting interface
• Real-time case tracking

Wallet Integration

• Connect Solana wallets
• View NFT ownership
• Execute property transfers
• Monitor transaction history

🔧 Configuration

Environment Variables

Create a .env file in the root directory:

# Database
DATABASE_URL=postgresql://user:password@localhost:5432/landchain
REDIS_URL=redis://localhost:6379

# Blockchain
SOLANA_RPC_URL=https://api.devnet.solana.com
ETHEREUM_RPC_URL=https://eth-sepolia.g.alchemy.com/v2/YOUR_KEY

# API
API_PORT=3001
JWT_SECRET=your-secret-key
JWT_ALGORITHM=HS256
JWT_EXPIRATION=24h

# Monitoring
PROMETHEUS_PORT=9090
GRAFANA_PORT=3000

📊 Monitoring & Analytics

The project includes comprehensive monitoring:

• Prometheus - Metrics collection
• Grafana - Visualization dashboards
• AlertManager - Alert management
• Load Testing - Performance validation

🔒 Security

• Smart Contract Audits - Automated security analysis
• Access Control - Role-based permissions
• Data Encryption - End-to-end encryption
• Audit Logs - Comprehensive activity tracking

🤝 Contributing

1. Fork the repository
2. Create a feature 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. Open a Pull Request

📄 License

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

🆘 Support

• Documentation: Wiki
• Issues: GitHub Issues
• Discussions: GitHub Discussions

🙏 Acknowledgments

• Gujarat Government for vision and support
• Solana Foundation for blockchain infrastructure
• OpenStreetMap for mapping data
• Community contributors and developers

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Built with ❤️ for the people of Gujarat