StockMarketSimulator

This project emulates stock market
Clients of the stock market will interact with it using a REST and WebSocket API.
Task description for this project can be found HERE
Demo video can be found HERE

The solution consists of 3 projects:

1. Backend - the backend application based on Spring Boot application
2. Client - the console client based on Spring Boot and Spring Shell
3. Webclient - the web client based on Vuejs and Vuetify framework

Backend

The backend project is a Spring Boot application that contains main logic for creating/deleting orders, balancing the books, and executing trades.
Application has a websocket support to send logs about server events to client applications

• Application has a REST API to consume requests from the clients
• REST API endpoint: http://localhost:8080/gateway
• Application has WebSocket support to send server events to client applications
• WebSocket endpoint: ws://localhost:8080/ws
• By default, the application is running on the 8080 port
  

Prerequisites:

• JDK 1.8 installed
  

How to build and run:

gradlew.bat build
cd ./backend/build/libs/
java -jar ./backend.jar

Client

This project implements console client to create/delete orders and batch order creation for demonstration purposes.
The application sends requests to the server through REST API and gets responses through a WebSocket connection.
By default clientId for the console application is "client2"

When you run this application you can use the following commands:

• help - to get a list of commands available
• add - to add a new order (e.g. add AAPL B 100 50)
• del - to delete an order by id (e.g. del AAPL 5)
• demo1 - to run the batch orders creation. By default after this command, 1000 orders will be created with the interval of 200 milliseconds

Prerequisites:

• JDK 1.8 installed
  

How to build and run:

gradlew.bat build
cd ./client/build/libs/
java -jar ./client.jar

Webclient

This project implements a web client that is represented as a trading terminal.
With this interactive web client, you can select a stock symbol on the left side of the terminal on the Symbols panel (see the screenshot below).
After selecting the symbol you can buy or sell the required amount of stocks by a specific price in the BUY/SELL panel.
On the Orders panel, you can see all your open orders. You can cancel the order if you want by clicking the icon on the specific order.
On the Order book panel you can see the book order of the selected stock symbol. There you can see prices and volumes for each price.
On the Logs panel, you can see all logs that come from the backend server through a WebSocket connection.
On the Chart panel in the middle, you can see the price history. It displays the real history of the selected stock. Right now only 5 seconds timeframe is supported
By default clientId for the web application is "client1"

• By default, the application is running on the 8081 port

Prerequisites:

• npm installed
  
• nodejs installed
  

How to build and run:

cd ./webclient/
npm install
npm run serve

Screens