sealed.vote server

This is the backend for the sealed.vote application, built using Fastify. Uses the threshold-elgamal package to provide REST API endpoints for managing a homomorphic encryption-based vote.

Endpoint documentation

Features

• Creation of polls with a customizable number of choices.
• Voting on polls with a simple, user-friendly API.
• Retrieval of poll results, including the geometric mean of scores for each choice.
• Basic setup with PostgreSQL for data persistence.
• Environmental variable-based configuration for database connections and server settings.
• Integrated eslint and prettier for code quality and consistency.
• Docker support for easy deployment and development.
• Comprehensive typescript support for strong typing across the project.

TODO:

• restrict the amount of participants
• allow creator to update the polls
• allow creator to close polls
• rate limiting
• tests
• fix 500 when a voter already voted

Installation and running

First, clone the repository and install the dependencies:

git clone https://github.com/Tenemo/sealed-vote-server.git
cd sealed-vote-server
npm install

Create a .env file at the root of the project based on .env.sample for local development:

NODE_ENV=development
PORT=4000
DATABASE_URL=<your_database_url>

To start the server locally:

npm run dev

For production, build the project and then start it:

npm run build
npm start

Local database in Docker

To run the database for the project using Docker, ensure you have Docker installed, then use:

npm run docker:up

This will set up the PostgreSQL database and the application in containers.