ongzh / express-currency-store

express-currency-store

Getting Started

Requirements

Ensure the following are installed

• Node.js
• Docker

Setting Up

• Clone the repository into local directory

git clone https://github.com/ongzh/express-currency-store.git

• Install project dependencies

npm install

• Start the PostgreSQL database container

docker compose up -d

• Generate prisma client and apply schema

npx prisma generate
npx prisma migrate dev

• Seed the database with sample data

npx prisma db seed

• Start the application

npm start

Configurations

• Update the CRON_SCHEDULE variable in the .env file to vary how often the database is updated with the latest exchange data.

API EndPoints

Method	URL	Query Params	Description
GET	/rates	base: "fiat" or "crypto"	Get exchange rate of desired currencies
GET	/historical-rates	base_currency: e.g USD , target_currency: e.g BTC, start: starting time in UNIX timestamp milliseconds, end (optional): ending time in UNIX timestamp milliseconds	Get historial exchange rates of desired currency pair, from start to end time