Arbitrage Python-Flask microservices

A collection of flask microservices and react frontend to make arbitrage trades

It calculates cross exchange arbitrage possibilities with multiple symbols, currencies and exchanges.

Grouping is done on Symbols and Currencies

Sample (not a representation of internal structure)

{
  "BTC": {
    "USD": {
      "Coinbase": "Kraken",
      "Bitfinex": "Kraken"
    }
  }
}

API

CryptoCompare

Installation

Clone the repo. create python venv in each microservices

auth-service
arbitrage-service
trade-service

python -m venv venv

In the frontend folder, run yarn install

Usage

To run flask microservices, in each folder, run development server using python run.py

To run the frontend app, in frontend folder, run yarn run dev

Routes

Arbitrage Service: http://localhost:5001
Trade Service: http://localhost:5002
Auth Service: http://localhost:5003
Fronetend: http://localhost:5173

Configuration

Configuration for every flask app is in <folder>/app/__init__.py -> create_app()

Folder structure

flask-service               # root folder
├─── run.py                 # main file
├─── requirements.txt       # pip requirements
├─── .env                   # env config
└─── app                    # src folder
  ├─── __init__.py          # init file primarily contains flask app factory for main file
  ├─── models.py            # db models and dataclasses
  ├─── util.py              # utility functions for business logic
  └─── flask-api            # controller folder
    ├─── __init__.py        # init file primarily containing blueprints and routes/events
    ├─── routes.py          # http routes
    └─── events.py          # SocketIO events
      └─── api              # external API handling
        ├─── __init__.py
        └─── ApiClient.py   # class with static methods for fetching API data

Flow Diagram

Login Flow

Arbitrage Flow

Trade Flow

Screenshots

Home Screen

Login Screen

TODO (in priority order)

Update code documentation
Refresh crypto data regularly
Fix 2.3s API response from frontend
Order historical data by timestamp in frontend
Add Auth to arbitrage-service
Frontend trade and historical tables should have filters, pagination and column sorting

Anu-cool-007/arbitrage-microservices