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nft-marketplace

README.md

NFT Marketplace

An NFT marketplace built with Meteor and Ethereum. Based on Nader's tutorial, adapted to run on Meteor 3.5 with Rspack. Users can mint, list, and buy NFTs using MetaMask and IPFS for storage.

Stack
Runtime Meteor 3.5
Frontend React 18
Styling Tailwind CSS 3, Headless UI, Heroicons
Smart Contracts Solidity, Hardhat, OpenZeppelin
Blockchain Ethereum (localhost or Polygon Mumbai)
Web3 Ethers.js v5, Web3Modal
Storage IPFS (via ipfs-http-client)
Build Rspack

Running it locally

You need two terminals.

Terminal 1 — start a local Hardhat node:

meteor npm install
npx hardhat node

This gives you 20 accounts with 10000 ETH each. Copy a private key for MetaMask.

Terminal 2 — deploy contracts and start Meteor:

npx hardhat run scripts/deploy.js --network localhost
npm start

Visit http://localhost:3000/.

Command What it does
npm start Start the Meteor app
npm test Integration tests (Mocha)
npm run test-app Full-app tests (Mocha, watch mode)
npm run visualize Bundle analyzer in production mode

MetaMask setup

Adding a local wallet

  1. Make sure MetaMask is set to the Localhost 8545 network
  2. Click the account icon, then Import Account
  3. Paste one of the private keys from npx hardhat node

Resetting accounts

If you get "Nonce too high" errors during transactions:

  1. Open MetaMask settings
  2. Go to Advanced
  3. Click Reset Accounts

Testing the deployed version

A deployed version is available at: https://meteor-nft-marketplace.meteorapp.com

To use it, add the Mumbai Testnet to MetaMask:

Field Value
Network Name Mumbai TestNet
RPC URL https://rpc-mumbai.maticvigil.com
Chain ID 80001
Currency Symbol Matic

You can get testnet Matic tokens from the Polygon faucet.

Deployment

  • Galaxy: meteor deploy your-app.meteorapp.com
    • To try it quickly with a free tier and shared MongoDB: meteor deploy your-app.meteorapp.com --free --mongo
    • Note: smart contracts need to be deployed separately to a public network (Polygon Mumbai, etc.)
  • Any Node.js host: meteor build gives you a standard Node bundle
  • MUP: automated deploy to your own server over SSH

Links