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Make your own version of TraceHarvest Ledger

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Original by MALINI B 24ITR070

Describe your app

Build a complete full-stack web application named **TraceHarvest Ledger – Blockchain Food Traceability System**.

The application should be modern, professional, responsive, and user-friendly. It should simulate a real-world enterprise food supply chain where every product can be tracked from the farmer to the consumer using blockchain technology.

Technology Stack:
- Frontend: React + TypeScript + Tailwind CSS
- Backend: Node.js + Express.js
- Database: PostgreSQL or Supabase
- Blockchain: Solidity + Hardhat + Ethers.js
- Authentication: Secure Email & Password Login
- Real-time Updates: Supabase Realtime or WebSockets

The application must support real-time synchronization. Whenever one user updates a product, all other connected users should immediately see the changes without refreshing the page.

Create separate login portals and dashboards for each role.

Roles:
1. Admin
2. Farmer
3. Processor
4. Quality Inspector
5. Distributor
6. Retailer
7. Consumer

Each role should have its own dashboard and permissions.

Admin:
- Manage all users
- View all products
- Dashboard analytics
- Blockchain monitoring
- Audit logs
- Reports
- Approve users
- Manage product lifecycle

Farmer:
- Register farm
- Add new products
- Upload harvest details
- Upload product images
- Generate QR Code
- View only own products

Processor:
- Receive products
- Update processing details
- Add processing certificates
- Forward to Quality Inspection

Quality Inspector:
- Inspect products
- Approve or Reject
- Upload inspection report
- Add remarks
- Record blockchain transaction

Distributor:
- View assigned shipments
- Update shipment location
- Update delivery status
- Confirm delivery

Retailer:
- Receive products
- Update shelf availability
- View inventory
- Generate customer QR labels

Consumer:
- Scan QR Code
- View complete product journey
- View blockchain verification
- Check authenticity
- View timestamps and locations

Supply Chain Flow

Farmer
↓
Harvest
↓
Processing
↓
Quality Inspection
↓
Packaging
↓
Distributor
↓
Retail Store
↓
Consumer Verification

Every status update must:
- Save to the database
- Create an immutable blockchain transaction
- Generate an audit log
- Display timestamp
- Notify connected users instantly

Dashboard Features:
- Registered Farmers
- Registered Products
- Active Shipments
- Processing Products
- Products on Shelf
- Today's QR Scans
- Blockchain Transactions
- Verified Products
- Pending Approvals
- Alerts
- Live Notifications

Create beautiful dashboards with:
- Cards
- Charts
- Graphs
- Progress indicators
- Supply chain timeline
- Blockchain status
- Recent activities
- Product statistics

Products Module:
- Add Product
- Edit Product
- Delete Product
- Search
- Filter
- Pagination
- QR Code Generation
- Product Details
- Blockchain History

QR Verification:
- Scan QR
- Show complete product history
- Display farmer details
- Processing details
- Distributor details
- Retailer details
- Blockchain Hash
- Block Number
- Verification Status
- Authenticity Badge

Reports:
- Daily Reports
- Monthly Reports
- Product Reports
- Shipment Reports
- QR Analytics
- Blockchain Analytics
- Export PDF
- Export Excel

Audit Logs:
- User
- Role
- Product
- Action
- Previous Status
- Current Status
- Timestamp
- Blockchain Hash
- Block Number

Notifications:
- Product Registered
- Shipment Started
- Shipment Delivered
- Quality Approved
- Blockchain Transaction Confirmed
- Consumer Verified Product

Use realistic Indian data.

Products:
- Ponni Rice
- Turmeric Powder
- Fresh Tomatoes
- Aavin Milk
- Coconut Oil
- Mangoes
- Honey
- Groundnut Oil

Locations:
- Thanjavur
- Erode
- Salem
- Coimbatore
- Madurai
- Namakkal
- Chennai
- Tiruppur

Provide:
- Secure authentication
- Role-based authorization
- Responsive mobile design
- Dark/Light mode
- Loading animations
- Toast notifications
- Skeleton loaders
- Search
- Filters
- Pagination
- Error handling
- Empty states

Create a complete folder structure for frontend, backend, blockchain contracts, database schema, APIs, and deployment configuration.

The final application should look and behave like a production-ready enterprise Blockchain Food Traceability Platform suitable for engineering final-year projects, hackathons, internships, and placement demonstrations.

Free to use. No credit card required.