E-Voting System using Blockchain

This project is a web application that allows users to vote for their preferred candidates in an election. The project uses MongoDB for database management and has three collections for candidates, elections, and users.

Installation and Setup🔧

MongoDB🍃

To create the required database collections, refer to the /server/Models files after entering the URL in /server/.env line 2.

Third-Party Email Verification 📧

To enable automatic email sending, add third-party verification to your email and register the app to get a secret key🔑. Then, add the email and password in /server/.env.

For more detail: https://support.google.com/accounts/answer/185833

Ganache⛓️

For free ethereum, install Ganache and add /smart_contract/truffle-config.js to your account to receive ten free accounts with 100 ETH.

Metamask 🦊

Add the Metamask Chrome extension for transactions.

Contract Compilation 💻

To compile the contract, open the command prompt and navigate to the smart_contract directory using the command cd smart_contract. Then, run the command npm install -g truffle(if truffle already not installed), truffle compile and truffle migrate. Finally, follow the steps after compilation by copying and pasting the address and transaction.json.

After installing Ganache, compile the contract in /smart_contract using Truffle. Then, add the transaction address in Client/utils/Constant.js. Also, copy /smart_contract/build/contracts/Transaction.json and paste it in Client/utils/Transaction.json for ABI value.

Python Script(required for face authentication)🐍

To install the necessary packages for the Python script, use the command pip install opencv-python, numpy, os, face_recognition. Add photos to /Face with the same username in use. To add a URL for photos, go to /server/Controller/encoded.py line 6.

Want to Enable/Disable Face Authentication ?🤔

Default value is false to enable/disable change isFaceRecognitionEnable in Client/src/Data/Variable.jsx.(Python Modules required)

Running the Web Application🌐

Follow the steps below to run the web application:

1. Go to the Client folder and install all node modules using npm install then run the command npm run start.
2. Go to the server folder and install all node modules using npm install then run the command nodemon main.
3. Wait a few minutes for the site to start.