Ceylon Crypto Meetup NFT Metadata Generator

This project is a simple Node.js application that generates metadata for Ceylon Crypto Meetup NFTs. The metadata includes details about the event, ticket type, and other relevant information. It also fetches the current block height from Mempool.space and includes it in the metadata.

Table of Contents

1. Requirements
2. Installation
3. Usage
4. Contract Interaction
5. API Endpoints
6. License

Requirements

• Node.js (version 14 or higher)
• An Ethereum network (mainnet or testnet)
• Alchemy API key (for connecting to the Ethereum network)
• Contract ABI (Application Binary Interface)

Installation

1. Clone the repository: git clone https://github.com/your-username/ceylon-crypto-meetup-nft-metadata-generator.git

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2. Navigate to the project directory: cd ceylon-crypto-meetup-nft-metadata-generator

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3. Install the dependencies: npm install

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4. Create a .env file in the project root directory and add the following variables: NETWORK=<your_network> ALCHEMY_API_KEY=<your_alchemy_api_key>

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Replace <your_network> with the desired Ethereum network (mainnet or testnet) and <your_alchemy_api_key> with your Alchemy API key.

Usage

To start the server, run the following command: npm start

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The server will start on http://localhost:3002.

Contract Interaction

The application interacts with a smart contract deployed on the Ethereum network. The contract address and ABI are defined in the generateNFTMetadata function.

API Endpoints

The application exposes two API endpoints:

1. /create-metadata: A POST endpoint for creating NFT metadata. It accepts a JSON payload with the following fields:

• id: The unique ticket ID
• ticketType: The type of ticket (e.g., 'General Admission', 'VIP')
• userAddress: The Ethereum address of the ticket holder

The endpoint returns a JSON response with the generated metadata.

2. /metadata/:id: A GET endpoint for fetching existing NFT metadata. It accepts a ticket ID as a URL parameter and returns the corresponding metadata as a JSON response.

License

This project is licensed under the MIT License. See the LICENSE file for details.