🌅 GM Hub Ecosystem

A multi-chain decentralized application (DApp) that allows users to send "GM" messages across multiple blockchain networks with a small fee. Built for the Base, Celo, and Optimism ecosystems.

🚀 Live Application

🌐 Live Demo: https://gm-dapp-hub-ecosystem.vercel.app/

🚀 Features

• Multi-Chain Support: Connect and interact with Base, Celo, and Optimism networks
• Dynamic Pricing: Always pay ~$0.01 equivalent in native currency (ETH/CELO)
• User Statistics: Track your GM streak and total GM count
• Wallet Integration: Supports MetaMask, Rabby Wallet, and other EVM wallets
• Real-time Fee Calculation: Automatic fee adjustment based on current token prices

🌐 Supported Networks

Network	Chain ID	Native Token	Contract Address
Base	8453	ETH	0x4cA7...16FD
Celo	42220	CELO	0x316b...f1fe
Optimism	10	ETH	0x6693...781f

💻 How to Use

1. Connect Wallet: Click "Connect Wallet" and approve the connection
2. Switch Networks: Use the "Switch to [Network]" buttons to change chains
3. Check Fee: Verify the current GM fee for each network
4. Say GM: Click "Say GM ☀️" to send your message and maintain your streak!

📊 Smart Contracts

Each network has its own deployed contract with the following features:

• sayGM() - Send a GM message with fee
• getGmFee() - Get current fee amount
• getUserStats() - Retrieve user statistics (streak, total GM)
• Automatic fee calculation based on current ETH/USD price (Base & Optimism)
• Fixed fee with manual adjustment (Celo)

🔧 Technical Stack

• Frontend: HTML5, Bootstrap 5, Vanilla JavaScript
• Blockchain: Ethers.js 5.7.2
• Smart Contracts: Solidity 0.8.20
• Networks: Base, Celo, Optimism
• Price Oracles: Chainlink Price Feeds

📄 License

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