Zerodha Clone

• This project is just a mock of the Kite trading application built using Flutter for frontend and GoLang for the backend.
• The application is designed to provide real-time mocked stock updates integrating only the Watchlist Page.

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Demo

Start Server Locally

• Navigate to the backend directory.

cd ./server

• Run the WebSocket server:

go run cmd/main.go

Install Apk from Github (Preferred)

• Simply start the server on localhost and install the apk from APK
• To keep things simple, I've just hardcoded this entire project to run it on localhost via port:8080

Just Run the Project on Edge/Chrome

flutter run -d chrome

Tech Stack

1. Frontend: Flutter

• Framework: Flutter is used for building a cross-platform mobile application with a responsive and modern UI.
• State Management: Riverpod is used for state management to handle asynchronous data streams and UI updates efficiently.
• Target Platforms : Small Screen - Mobile Devices

2. Backend: GoLang

• WebSocket Server: A WebSocket server is implemented in GoLang to provide real-time stock updates.
• Web-Framework - Favoured gin-gonic framework.
• Stock Ticker: Randomly chose 10 different stocks.
• Ticker Update: Each second interval the ticker updates with +2/-2 frequency.
• Socket Connection - Upgraded the connection to web-socket by Gorilla-Websocket.

Features Implemented

1. Watchlist Page

• Scope - Due to limited time, I've just integrated WatchList screen with 10 stocks coming from API as a way to showcase the implementation.
• Search Functionality:
  • I tried leveraging my own fuzzy search package called Fuzzy_Bolt from pub.dev
• Real-Time Stock Updates:
  • Stock data is randomly tweeked every second to mimic the change in stock price.
• Error Handling:
  • Displays an error message and a retry button if the WebSocket connection fails.

2. User Interface

• I've only tried to replicate the basic user-interface without graphs and charts due to limited time.

How to Run the Project

1. Backend

• Navigate to the backend directory.

cd ./server

• Run the WebSocket server:

go run cmd/main.go

2. Manual Debug Client

• Navigate to the client directory.

cd ./client/zerodha_clone

• If you're running this project on emulator then, client runs automatically on emulator's IP address -

ws://10.0.2.2:8080/stocks

• If you're running this project on web then client runs automatically on below address -

ws://localhost:8080/stocks

• Run the WebSocket server:

flutter run 

Note - Alternatively, you may use adb port transfer like below if needed to avoid confusion.

adb transfer tcp:8080 tcp:8080

Screenshots