Backend developer - Node.js (Web3) - not web3 task

[mariuszbeltowski]

Deadline: Max 4 days after sharing the challenge

Coding challenge: BTCUSDT price synchronizer

Write a server app which periodically fetch the BTCUSDT price into database and exposes api with exchange rate history and current rate.

Required:
Nest.js
Typescript
Graphql
PostgreSQL
Typeorm
Unit tests
Push your repo to GitHub with commits history
Include a README.md with instructions on how to run the project

Bonus:
Host your solution
Add authentication to the API calls
Explore your creativity and impress us