Introduction to Hardhat toolchain

• Hardhat is a development environment to compile, deploy, test, and debug smart contracts. It has multiple core plugins which can be used to automate & improve the smart contract development experience.

  Ethereum development environment for professionals by Nomic Labs

• Installation: npm install --save-dev hardhat

• Initialisation: npx hardhat

• Project structure:

  contracts/
  scripts/
  test/
  hardhat.config.js
  

• Details about hardhat.cofig.js

• Contract Compilation: npx hardhat compile

• More details on the different components of hardhat can be found below as we cover steps for the development of smart contracts. For more hands-on experience join the workshop.

Introduction to some Standard libraries & Fork culture

OpenZepplin:

Documentation - OpenZeppelin Docs

• Industry-standard, audited several times, battle-tested.

• Installation: npm install @openzeppelin/contracts

• ERC implementations: https://docs.openzeppelin.com/contracts/4.x/tokens

  // contracts/MyNFT.sol
  // SPDX-License-Identifier: MIT
  pragma solidity ^0.8.0;
  
  import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
  
  contract MyNFT is ERC721 {
      constructor() ERC721("MyNFT", "MNFT") {
      }
  }
  

• Access Control: https://docs.openzeppelin.com/contracts/4.x/api/access

<aside> ✨ If you know a project which already does something similar, look for the code in Etherscan/ Github. Fork it, and reuse it!

</aside>