Hardhat NFT Marketplace

This project is the backend part of a web3 fullstack implementation to buy and sell NFTs.

Init

• git init
• yarn init -y
• yarn add --dev hardhat
• yarn add --dev prettier prettier-plugin-solidity
• yarn hardhat
• yarn add --dev @nomiclabs/hardhat-ethers@npm:hardhat-deploy-ethers ethers @nomiclabs/hardhat-etherscan @nomiclabs/hardhat-waffle chai ethereum-waffle hardhat hardhat-contract-sizer hardhat-deploy hardhat-gas-reporter prettier prettier-plugin-solidity solhint solidity-coverage dotenv

Project Info

Steps:

1. Create a decentralized NFT Marketplace
   1. listItem: List NFTs on the marketplace
   2. buyItem: Buy the NFTs
   3. cancelItem: Cancel a listing
   4. updateListing: Update price
   5. withdrawProceeds: Withdraw payment for my bought NFTs

Contract Natspec Boilerplate

// SPDX-License-Identifier: MIT

// 1: Pragma statements
pragma solidity ^0.8.7;

// 2: Import statements
// 3: Interfaces (none in this case)
// 4: Libraries (none in this case)
// 5: Errors
// 6: Contracts

/// @title NFT Marketplace
/// @author Fabio Bressler
/// @notice Contract that...
contract MyContractName {
  // 6.a: Type declarations
  // 6.b: State variables
  // 6.c: Events
  // 6.d: Modifiers
  // 6.e: Functions
  // 6.e.1: Constructor
  // 6.e.2: Receive
  // 6.e.3: Fallback
  // 6.e.4: External
  // 6.e.5: Public
  // 6.e.6: Internal
  // 6.e.7: Private
  // 6.e.8: View / Pure
}

ERC 721 (EIP-721)

Import from Openzeppelin ERC-721 boilerplate.

yarn add --dev @openzeppelin/contracts