Hardhat-Polygon-Nft example

An Nft example using Hardhat, Polygon blockchain and OpenZeppelin.

Commands to create a new project using Hardhat

1. mkdir hardhat_polygon_nft

2. cd hardhat_polygon_nft

3. npm init --yes

4. npm install --save-dev hardhat

5. npx hardhat

6. Create an .env file and add the private-key and rpc api-key in this file. we require these keys for configuring hardhat.config.js file.

7. Please add this .env file to .gitignore to avoid putting private information to github.

8. Install npm i dotenv package to use the environment variables from .env file

9. If using openzeppelin then npm install @openzeppelin/contracts command to add the packages.

Compile Project

npx hardhat compile

Test Project

npx hardhat test

Deploy Project

npx hardhat run scripts/deploy.js --network <network_name from hardhat.config.js file>

Example: npx hardhat run scripts/deploy.js --network polygon_test

References:

Hardhat docs

OpenZeppelin docs v4.x

Medium Article

Credits

Special thanks to Justin Hunter for creating a detailed medium article.