Soulana Backend

A privacy-focused identity verification system built on Solana blockchain, utilizing Zero-Knowledge Proofs for secure wallet and email authentication.

Features

• 🔐 Zero-Knowledge Proof System

  • Secure wallet address verification
  • Private email verification
  • Proof generation and verification
  • Key management system

• 🌐 Authentication System

  • JWT-based authentication
  • Dual verification (wallet + email)
  • Nonce-based signature verification
  • Identity linking capabilities

• 🔧 Core Features

  • RESTful API endpoints
  • PostgreSQL database integration
  • Actix-web framework
  • Health check monitoring

API Endpoints

Authentication

• POST /auth/wallet/prove - Generate ZK proof for wallet
• POST /auth/wallet/verify - Verify wallet ZK proof
• POST /auth/email/prove - Generate ZK proof for email
• POST /auth/email/verify - Verify email ZK proof

Health Check

• GET /health - Check API health status

Environment Variables

Create a .env file with:

DATABASE_URL=postgresql://username:password@localhost/soulana_db
RUST_LOG=debug

Technology Stack

• 🦀 Rust (Backend)
• 🎁 Actix-web (Web Framework)
• 🔐 ark-groth16 (ZK Proof System)
• 🗄️ PostgreSQL (Database)
• 🔗 Solana (Blockchain Integration)

Running the Server

cargo run

The server will start at http://127.0.0.1:8080

Database Setup

1. Install diesel_cli:

cargo install diesel_cli --no-default-features --features postgres

2. Set up the database:

diesel setup

3. Run migrations:

diesel migration run

This will create all necessary tables including:

• Identity tables for wallet and email verification
• User management tables
• Project related tables