This project provides an API to parse cryptocurrency trade data from CSV files, store it in a MongoDB database, and retrieve asset-wise balances at specific timestamps.

Endpoint: GET /

Description: Serves the index.html file located in the views directory.

Usage: Access this endpoint in a web browser to upload the CSV file.

Endpoint: POST /analyse-csv

Description: Uploads a CSV file, parses its data, and stores it in the MongoDB database.

Request:

• File: file (required) - The CSV file to be uploaded.

Response:

• Success: Returns a JSON object with the parsed CSV data.
• Error: Returns a JSON object with an error message if the file is missing or invalid.

Example Request:

curl -X POST http://localhost:3000/analyse-csv -F "file=@path/to/file.csv"

Example Response:

{
  "result": [
    {
      "UTC_Time": "2022-09-28 12:00:00",
      "Operation": "buy",
      "Market": "BTC/INR",
      "Buy/Sell Amount": 25,
      "Price": 50000
    },
    ...
  ]
}

Endpoint: POST /get-balance

Description: Retrieves the asset-wise balance of the account at a specific timestamp.

Request:

• Body: JSON object containing a timestamp property (required).

Example Request:

curl -X POST http://localhost:3000/get-balance -H "Content-Type: application/json" -d '{"timestamp": "2022-09-28 12:00:00"}'

Example Response:

{
  "BTC": 15,
  "MATIC": 100
}

Error Response:

• Error: Returns a JSON object with an error message if the timestamp is missing or invalid.

1. Clone the repository:

   git clone https://github.com/debayangg/koinx-assignment.git
   cd koinx-assignment

2. Install dependencies:

   npm install

3. Configure Environment Variables: Create a .env file in the root directory and add the necessary environment variables, including database connection details or change mongodbURI in src/db/connection.js to your local mongo server.

4. Start the server:

   npm start

   The server will listen on the port defined in your environment variable PORT or default to 3000.