Token Price Service Challenge

This repository contains a Node.js challenge task implementing a Token Price Service with intentional anti-patterns and bugs for educational purposes.

Project Structure

The repository is organized as follows:

• src/: The main project directory containing:
  • data/: Database context and seeder
  • kafka/: Kafka producer service
  • migrations/: Database migrations
  • models/: Token and message models
  • services/: Price update and mock services
  • test/: Integration tests

Technology Stack

• Node.js: JavaScript runtime
• TypeScript: For type safety
• Nest.js: Node.js framework for building efficient and scalable server-side applications
• PostgreSQL: For data storage
• TypeORM: For database interactions
• Kafka.js: For message brokering
• Jest: For testing
• Testcontainers: For integration testing with Docker containers

Getting Started

See the src/README.md for detailed instructions on how to run the application and tests.

Features

• Token price updates with a mock price service
• Kafka integration for price update messages
• PostgreSQL database with denormalized structure
• Integration tests using Testcontainers

License

This project is for educational purposes only.