🚀 FarmChain - Revolutionizing Agriculture with Blockchain

FarmChain is a cutting-edge blockchain-based platform that bridges the gap between farmers and consumers, eliminating middlemen to ensure fair pricing, product authenticity, and complete transparency in the agricultural supply chain.

🌟 Features

👨‍🌾 User Roles

✅ Farmers:

• Register and list their products with pricing, location, and delivery range.
• Track sales, manage inventory, and receive direct payments.

🛒 Consumers:

• Browse & purchase farm-fresh products with filters for type, price, and location.
• Order directly from nearby farmers and track previous purchases.

🔑 Key Functionalities

• 🔗 Connect Wallet: Securely link your MetaMask wallet for seamless transactions.
• 🛍️ Smart Filters: Search by product type (e.g., fruits, vegetables), price range, and location.
• 📦 Cart & Orders: Add products to the cart, adjust quantities, and view past orders.
• 🔎 Traceability: Track the journey of a product from farm to table using blockchain.

🔗 Blockchain Integration

• Built on Ethereum & Binance Smart Chain (BSC) for secure, transparent transactions.
• Smart contracts power farmer registration, product listings, orders, and payments.

📍 Geographic Prioritization

• Products are shown based on proximity to consumers.
• Dynamic delivery fee calculations based on location.

🏗️ Technology Stack

🖥️ Frontend

• React.js – Dynamic, responsive UI.
• Bootstrap – Sleek, modern design.

🛠️ Backend

• Node.js & Express.js – RESTful API for smooth operations.
• MongoDB – Secure storage of user profiles, products, and orders.

🔥 Blockchain

• Ethereum / BSC – For decentralized transactions.
• Solidity Smart Contracts – Powering trustless interactions.

🔑 Wallet Integration

• MetaMask & WalletConnect – Ensuring secure user interactions.

🚀 Installation Guide

📌 Prerequisites

Ensure you have the following installed:

• Node.js (v16+)
• MongoDB (Local/Cloud)
• MetaMask browser extension

🔧 Backend Setup

Clone the repository:

git clone https://github.com/yourusername/farmchain.git
cd farmchain/backend

Install dependencies:

npm install

Create a .env file in the backend directory:

MONGO_URI=your_mongodb_connection_string
INFURA_PROJECT_ID=your_infura_project_id
PRIVATE_KEY=your_private_key
CONTRACT_ADDRESS=your_deployed_contract_address

Start the backend server:

node index.js

Backend runs at http://localhost:5000.

🎨 Frontend Setup

cd ../frontend
npm install
npm start

Frontend runs at http://localhost:3000.

⛓️ Smart Contract Deployment

cd ../smart-contracts
npm install --save-dev hardhat @nomiclabs/hardhat-ethers ethers dotenv

Configure hardhat.config.js:

require("@nomiclabs/hardhat-ethers");
require("dotenv").config();

module.exports = {
  solidity: "0.8.0",
  networks: {
    goerli: {
      url: `https://goerli.infura.io/v3/${process.env.INFURA_PROJECT_ID}`,
      accounts: [`0x${process.env.PRIVATE_KEY}`],
    },
    bscTestnet: {
      url: "https://data-seed-prebsc-1-s1.binance.org:8545/",
      accounts: [`0x${process.env.PRIVATE_KEY}`],
    },
  },
};

Deploy the smart contract:

npx hardhat run scripts/deploy.js --network goerli

Save the deployed contract address in .env.

📸 Screenshots

🌍 Marketplace Page

🛒 Dashboard

Farmers

🛒 Track Your Order

💰 Revenue Model

🔹 Transaction Commission

• 5% commission on successful transactions.

🔹 Subscription Plans

• ₹500/month for farmers to access premium features like analytics and priority listings.

🔹 Delivery Fees

• Dynamic fees based on distance, with FarmChain taking a 10% cut.

🚀 Future Enhancements

• NFT-based Tokenized Farms for crowdfunding agricultural projects.
• AI-powered recommendations based on consumer preferences & location.
• Polygon integration for lower gas fees.

🛠️ Contributors

• Raj Kishore
• Pavimalini
• Guhasri
• Jeevan

📜 License

This project is licensed under the MIT License. See LICENSE for details.

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💡 Empowering Farmers. Connecting Communities. Transforming Agriculture with Blockchain.