Decentrocast (EVM Based)

Decentrocast is a decentralized voting application built with ViteJS to provide a secure, transparent, and tamper-resistant voting experience.

The app currently supports both Localhost and the Ethereum Sepolia Testnet (via Alchemy RPC).

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Snapshots

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Features

• Wallet-Based Authentication - Connect with MetaMask to participate in voting.
• One Wallet, One Vote - Each wallet address can cast only one vote.
• Live Voting Status - View whether voting is active or finished.
• Real-Time Candidate Table - See candidate list and vote counts in the UI with live updates.
• Dynamic Countdown Timer - Visual progress bar showing remaining voting time that updates every second.
• Vote Confirmation - See which candidate you voted for with their ID and name.
• Voting Loader - Real-time spinner feedback while vote is being submitted and processed.
• Transparent Final Results - Display winner and final vote totals after voting ends.
• Multi-Network Ready - Supports Localhost and Sepolia deployment workflows.
• Candidate Search - Vote by entering either the candidate index or name.
• Developer-Friendly Code - Well-commented Solidity smart contract for easy understanding.

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Tech Stack

Frontend:

• Vite JS + React - Fast and modern frontend development
• Tailwind CSS - Utility-first styling
• Ethers.js - Wallet connection and contract calls from UI

Backend:

• Node.js - Server-side runtime
• Hardhat - Ethereum development framework
• Solidity - Smart contract implementation
• Metamask Wallet - User authentication and transaction signing
• Alchemy - Web3 RPC infrastructure for Sepolia

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Quick Setup Guide

For a complete step-by-step guide to clone and run Decentrocast locally, see the Local Setup Guide.

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Localhost (Steps To Run / Execute)

backend-hardhat:

1. Navigate to the backend folder:

   cd "backend-hardhat"

2. Install dependencies:

   npm install

3. Compile contracts:

   npx hardhat compile

4. Deploy contract (choose one):

   # Localhost
   npx hardhat run scripts/deploy.js --network localhost
   
   # Sepolia
   npx hardhat run scripts/deploy.js --network sepolia

5. Copy the deployed CONTRACT_ADDRESS from terminal output and update:
   • frontend-vite/src/constants/constant.js

Backend npm Scripts

Run these from backend-hardhat:

• npm run compile: runs hardhat compile
• npm test: runs hardhat test
• npm run node: runs hardhat node
• npm run clean: runs hardhat clean
• npm run deploy: runs hardhat run scripts/deploy.js
• npm run deploy:localhost: runs hardhat run scripts/deploy.js --network localhost

Backend Test Log

These are the tests done for the backend smart contract setup:

• View latest backend test results

Frontend:

1. Navigate to the frontend folder:

   cd frontend

2. Install dependencies:

   npm install

3. Run the development server:

   npm run dev

4. Open the local URL shown in terminal (usually http://localhost:5173) and connect MetaMask.

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Project Status & Contributions

The project is functionally complete and actively being improved.

Suggestions, issue reports, and pull requests are always welcome.

If you like the project, leave a ⭐! 😊