🚀 SkillSwap DAO - Web3 Skill Marketplace

A decentralized skill marketplace built on Ethereum, enabling users to buy and sell services using cryptocurrency with built-in escrow, dispute resolution, and satisfaction guarantees.

✨ Features

🎯 Core Features

• Skill Marketplace: Browse and list skills with detailed profiles
• Web3 Payments: Support for ETH and multiple ERC20 tokens (USDC, DAI, LINK, USDT)
• Escrow System: Secure payment escrow with automatic release
• Dispute Resolution: Built-in dispute system with arbitration
• Satisfaction Guarantee: Money-back guarantee for unsatisfied customers
• Rating System: Comprehensive rating and review system
• Provider Verification: Reputation-based provider verification

🔧 Technical Features

• Smart Contracts: Solidity contracts with comprehensive security features
• Frontend: React + TypeScript + Vite with modern UI
• Database: Supabase with real-time capabilities
• Authentication: Web3 wallet integration (MetaMask, WalletConnect)
• Storage: Decentralized file storage for images
• Responsive Design: Mobile-first responsive design

🛠️ Tech Stack

• Frontend: React 18, TypeScript, Vite, Tailwind CSS, shadcn/ui
• Blockchain: Ethereum (Sepolia testnet), Hardhat, Viem, Wagmi
• Database: Supabase (PostgreSQL)
• Storage: Supabase Storage
• Authentication: RainbowKit, Web3 wallets
• Deployment: Vercel/Netlify ready

🚀 Quick Start

Prerequisites

• Node.js 18+
• npm/yarn/bun
• MetaMask or other Web3 wallet
• Supabase account
• Ethereum testnet (Sepolia) for testing

1. Clone and Install

git clone https://github.com/your-username/skillswap-dao.git
cd skillswap-dao
npm install

2. Environment Setup

Create a .env file in the root directory:

# Blockchain Configuration
SEPOLIA_RPC_URL=https://sepolia.infura.io/v3/YOUR_INFURA_PROJECT_ID
PRIVATE_KEY=your_private_key_here

# Supabase Configuration
VITE_SUPABASE_URL=https://your-project.supabase.co
VITE_SUPABASE_ANON_KEY=your_supabase_anon_key

# Contract Addresses (will be updated after deployment)
VITE_SKILL_EXCHANGE_ADDRESS=0x0000000000000000000000000000000000000000

# App Configuration
VITE_APP_NAME=SkillSwap DAO
VITE_APP_URL=http://localhost:5173

3. Deploy Smart Contracts

# Deploy to Sepolia testnet
npx hardhat run scripts/deploy.cjs --network sepolia

# Or deploy locally for testing
npx hardhat run scripts/deploy.cjs --network localhost

4. Setup Database

# Setup Supabase database and storage
node scripts/setup-database.js

# Optional: Create sample data
CREATE_SAMPLE_DATA=true node scripts/setup-database.js

5. Start Development Server

npm run dev

Visit http://localhost:5173 to see the application.

📋 Complete Setup Guide

Smart Contract Deployment

1. Get Testnet ETH: Use a faucet to get Sepolia ETH
2. Configure RPC: Set up your Infura/Alchemy RPC URL
3. Deploy Contracts: Run the deployment script
4. Verify Contracts: Contracts are automatically verified on Etherscan

Supabase Setup

1. Create Project: Create a new Supabase project
2. Get Credentials: Copy your project URL and anon key
3. Run Setup Script: Execute the database setup script
4. Configure Storage: Storage buckets are created automatically

Frontend Configuration

1. Environment Variables: Set all required environment variables
2. Contract Address: Update with deployed contract address
3. Build & Deploy: Ready for production deployment

��️ Project Structure

skillswap-dao/
├── contracts/                 # Smart contracts
│   ├── SkillExchange.sol     # Main marketplace contract
│   └── Lock.sol              # Example contract
├── src/
│   ├── components/           # React components
│   │   ├── ui/              # shadcn/ui components
│   │   ├── SkillCard.tsx    # Skill display component
│   │   ├── PaymentProcessor.tsx # Payment handling
│   │   └── ...
│   ├── pages/               # Page components
│   │   ├── Marketplace.tsx  # Skill marketplace
│   │   ├── Dashboard.tsx    # User dashboard
│   │   └── ...
│   ├── lib/                 # Utilities and configurations
│   │   ├── SkillExchange.ts # Contract configuration
│   │   └── paymentUtils.ts  # Payment utilities
│   └── integrations/        # External integrations
│       └── supabase/        # Supabase client
├── supabase/                # Database schema and migrations
├── scripts/                 # Deployment and setup scripts
└── public/                  # Static assets

🔐 Security Features

• Reentrancy Protection: All contract functions protected
• Access Control: Role-based access control
• Input Validation: Comprehensive input validation
• Escrow System: Secure payment escrow
• Dispute Resolution: Fair dispute handling
• Rate Limiting: Protection against spam
• Gas Optimization: Efficient contract design

💰 Payment System

Supported Tokens

• ETH: Native Ethereum
• USDC: USD Coin (6 decimals)
• DAI: Dai Stablecoin (18 decimals)
• LINK: Chainlink (18 decimals)
• USDT: Tether USD (6 decimals)

Payment Flow

1. User selects a service and payment token
2. Payment is held in escrow
3. Provider completes the service
4. User verifies completion
5. Payment is automatically released after dispute window
6. Optional: User can release payment early

🎨 UI/UX Features

• Modern Design: Clean, professional interface
• Responsive: Mobile-first responsive design
• Dark Mode: Built-in dark mode support
• Animations: Smooth transitions and micro-interactions
• Accessibility: WCAG compliant design
• Loading States: Comprehensive loading indicators
• Error Handling: User-friendly error messages

🚀 Deployment

Frontend Deployment

Vercel

npm run build
vercel --prod

Netlify

npm run build
netlify deploy --prod --dir=dist

Smart Contract Deployment

# Deploy to mainnet (after thorough testing)
npx hardhat run scripts/deploy.cjs --network mainnet

🧪 Testing

# Run smart contract tests
npm run test

# Run frontend tests
npm run test:frontend

# Run all tests with coverage
npm run test:coverage

📊 Monitoring

• Contract Events: All important events are logged
• Transaction Tracking: Complete transaction history
• Error Monitoring: Comprehensive error tracking
• Performance Metrics: Application performance monitoring

🤝 Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Add tests for new features
5. Submit a pull request

📄 License

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

🆘 Support

• Documentation: Check the docs folder
• Issues: Report bugs on GitHub Issues
• Discussions: Join our community discussions
• Email: support@skillswap-dao.com

🎯 Roadmap

Phase 1 (Current)

• ✅ Core marketplace functionality
• ✅ Payment system
• ✅ Dispute resolution
• ✅ Basic UI/UX

Phase 2 (Next)

• 🔄 Advanced search and filtering
• 🔄 Chat/messaging system
• 🔄 Mobile app
• 🔄 Advanced analytics

Phase 3 (Future)

• 📋 AI-powered matching
• 📋 Multi-chain support
• 📋 DAO governance
• 📋 Advanced reputation system

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Built with ❤️ by the SkillSwap DAO team