Welcome to the colorful world of Non-Fungible Tokens (NFTs). In this guide, we’ll walk you through the process of launching your very own Crypto Boy NFT Marketplace, where users can mint unique ERC721 Crypto Boy NFTs. Let’s get started!

Understanding the Features of Your NFT Marketplace

The Crypto Boy NFT Marketplace allows users to:

• Mint custom ERC721 Crypto Boy Tokens.
• Sell Crypto Boy tokens on the marketplace.
• Set the desired token price.
• Toggle token availability for sale.
• Keep track of all tokens owned—both minted and purchased.
• Query the blockchain for token ownership and credentials.
• Mint a new token every 5 minutes.

Technology Stack

To build the Crypto Boy NFT Marketplace, you will leverage a powerful stack of technologies:

• Solidity: The language for crafting smart contracts.
• Bootstrap 4: A CSS framework for sleek design.
• React.js: For building dynamic user interfaces.
• web3.js: To communicate with the Ethereum blockchain.
• Truffle: The development environment for Ethereum.
• Ganache: Your personal Ethereum blockchain for testing.

Interacting with the Deployed DApp

1. Download the Metamask browser wallet extension.
2. Connect your Metamask wallet to the Kovan Test Network.
3. Request test ethers for transactions from the Kovan Faucet.
4. Access the Crypto Boy Marketplace Smart Contract on the Kovan Testnet: 0x420d2a6E87D87992EB01e5BFe762B3F437dBfD85.
5. Start minting your Crypto Boys at Crypto Boy Marketplace.

Running the DApp Locally

To run your DApp locally, follow these steps:

1. Install Truffle by executing: npm install -g truffle.
2. Install Ganache-CLI using: npm i ganache-cli.
3. Run Ganache with: ganache-cli --port 7545.
4. Open a new terminal and clone the repository: git clone https://github.com/devpavan04/cryptoboys-NFT-marketplace.git.
5. Navigate to the directory: cd cryptoboys-NFT-marketplace.
6. Install the dependencies: npm install.
7. Compile the smart contract: truffle compile.
8. Deploy the smart contract to Ganache: truffle migrate.
9. Test the smart contract: truffle test.
10. Start the DApp: npm start.

Understanding the Code Analogy

Think of the creation of the Crypto Boy NFT Marketplace as setting up a community fair where everyone can set up their stalls (tokens). Just like a fair requires careful planning, coding your DApp requires setting up various components correctly. Each stall owner (user) has a plan for what they will sell (mint tNFTs), and they can decide at what price their items will be available. The fair has organizers (smart contracts) who track all the stalls and transactions, ensuring everything runs smoothly. Just as each stall has to follow certain rules to operate, users have to wait every 5 minutes to set up a new stall (mint a new token). And, to connect with customers, vendors must rely on a well-structured layout (the tech stack) that users can easily navigate.

Troubleshooting Tips

If you encounter issues while setting up your Crypto Boy NFT Marketplace, consider the following tips:

• Ensure you have the latest versions of all software dependencies.
• Confirm that your Metamask wallet is connected to the correct network.
• Check your Ganache CLI for any errors regarding contract deployment.
• If transactions fail, ensure that you have sufficient test ethers in your wallet.
• Restart your Ganache instance if you face connectivity issues.

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