An ERC-721 NFT badge system deployed on Polygon Amoy testnet.

Address: 0xd3DCcCE2eD92Cf9C8062C6dc25532E21cbDA1189
Network: Polygon Amoy
Explorer: View on PolygonScan

• Public Claim: Anyone can claim one free badge per address
• Admin Mint: Contract owner can mint badges for specific addresses
• ERC-721 Standard: Fully compliant NFT contract using OpenZeppelin

1. Install dependencies:

npm install

2. Create .env file:

PRIVATE_KEY=your_private_key_here
AMOY_RPC=https://polygon-amoy.g.alchemy.com/v2/your-api-key

3. Compile contracts:

npm run compile

4. Deploy to Polygon Amoy:

npm run deploy:amoy

Open frontend/index.html in your browser to interact with the contract.

Requirements:

• MetaMask wallet
• Connected to Polygon Amoy network
• Some testnet MATIC for gas fees

srm-badge-demo/
├── contracts/
│   └── SRMBadge.sol      # Main NFT contract
├── scripts/
│   └── deploy.js         # Deployment script
├── frontend/
│   ├── index.html        # Frontend UI
│   └── script.js         # Wallet interaction
├── hardhat.config.js     # Hardhat configuration
└── package.json          # Dependencies

• npm run compile - Compile Solidity contracts
• npm run deploy:amoy - Deploy to Polygon Amoy
• ./deploy-and-update.sh - Deploy and update frontend

MIT