MyNFT Contract Deployment

Overview

This project includes the MyNFT smart contract which is an ERC-721 token. The contract uses OpenZeppelin's ERC721 and Ownable contracts to manage unique digital assets on the blockchain.

Environment Variables

In the deploy.js script, environment variables are used to configure the deployment settings. These variables are stored in a .env file. It is crucial not to share or reveal the contents of the .env file to anyone or publish it online to ensure the security of your deployment credentials.

Building the Project

Before deploying the MyNFT contract, ensure your project is correctly set up:

1. Install dependencies:

   npm install

   This command installs all necessary dependencies listed in your package.json file.

2. Compile the Contract:

   npx hardhat compile

   This command compiles the smart contract and prepares it for deployment.

3. Run Local Tests:

   npx hardhat test

   Execute this command to run your tests and ensure that all functionalities work as expected before deploying to a testnet or mainnet.

Deployment

To deploy the MyNFT contract on the Holesky testnet, follow these steps:

1. Deploy the Contract:

   npx hardhat run scripts/deploy.js --network holesky

   This command deploys the contract to the Holesky testnet using the account configured in your Hardhat setup.

To deploy the MyNFT contract on the Sepolia testnet, follow these steps:

1. Deploy the Contract:

   npx hardhat run scripts/deploy.js --network sepolia

   This command deploys the contract to the Sepolia testnet using the account configured in your Hardhat setup.

Useful Links

• Holesky Testnet: Holesky URL
• Sepolia Testnet: Sepolia Info
• Alchemy: Official Site | Documentation

Contract Features

• Minting: Only the owner can mint new NFTs.
• Ownership: The contract uses the Ownable extension to handle ownership.

Mint NFTs

To mint multiple NFTs, modify the tokenURIs array in the script with your desired NFT metadata links and then execute cmd:

const tokenURIs = [
    "https://gateway.pinata.cloud/ipfs/QmQUAvaacaGBJQsyYJ7tLP88jYfypsQxhzsp16yuWUbTmp", //NFT metadata URL
    "https://gateway.pinata.cloud/ipfs/Qmc8JHqeKr2B6rKr1oZm4dS7vcYv6ksLG7Cb6i6uwSQwj6",
    "QmAnotherTokenURIHere",
    "QmAndAnotherOneHere"
];

mintMultipleNFTs(tokenURIs);

node scripts/mint-nft.js

This will mint each NFT specified in the tokenURIs array, handling transaction details and nonce management automatically.