Donation DApp 💰

Description

Donation DApp is a decentralized blockchain-based application that allows users to send donations in the form of Ether. Each donation includes a name and a message, which are stored on the blockchain. The contract owner receives all the funds securely.

Features

✅ Users can donate Ether
✅ Each donation includes a name and message
✅ Funds are transferred directly to the owner’s wallet
✅ Users can view all past donations/messages stored on the blockchain

Tech Stack

• Frontend: React.js
• Blockchain: Solidity (Smart Contract)
• Development Environment: Hardhat
• Network: EduChain

Smart Contract (chai.sol)

• Contract Address: 0x3C3e473d96bd3A4d1E52Cacd0d0119C274d38997

Functions

1️⃣ buyChai(string calldata name, string calldata message) external payable

• Allows users to send Ether along with a name and message.
• Transfers the Ether to the contract owner.
• Stores the message, sender’s name, and timestamp on the blockchain.
• Requires the amount to be greater than 0 Ether.

2️⃣ getMemos() public view returns (Memo[] memory)

• Returns all past messages (memos) stored in the contract.
• Each memo contains:
  • name: The sender’s name.
  • message: The message left by the sender.
  • timestamp: The time when the donation was made.
  • from: The sender’s Ethereum address.

Installation & Setup

Prerequisites

Make sure you have the following installed:

• Node.js
• MetaMask (for interacting with the blockchain)
• Hardhat (for deploying and testing the smart contract)

Step

1️⃣ Clone the repository:

git clone https://github.com/itsbhh/Donation-DApp-Web3

Future Scope 🚀

🔹 Multi-Currency Support

Enable donations in multiple cryptocurrencies beyond Ether, allowing users to contribute using Bitcoin, USDT, and other popular digital assets.

🔹 Smart Contract Upgradeability

Implement upgradable smart contracts using proxy patterns to enable future enhancements without redeploying the entire contract.

🔹 Integration with NFT Rewards

Introduce an NFT reward system where donors receive unique digital collectibles as a token of appreciation for their contributions.

🔹 Mobile App Support

Develop a mobile-friendly version or a dedicated mobile app to provide users with a seamless donation experience on smartphones and tablets.

🔹 Anonymous Donations

Offer an option for donors to contribute without revealing their identity, ensuring privacy while maintaining transparency on the blockchain.

🔹 Social Media Integration

Enable donors to share their contributions on social media platforms, increasing awareness and encouraging more participation in charitable causes.

Video Demonstration

WhatsApp.Video.2025-02-17.at.21.05.16.mp4