README.md

Order-book-snapshots

App for receiving Order Book Snapshots by LINKUSDT via REST API every 10 seconds. The result is written to the log, which is located in the root directory.

Project Structure

• package src/main/java/org/example contains:
  • config package:
    • Config.java, app configuration with constants where you can specify symbol & limit for get request
  • models package:
    • AbstractBook.java, abstract book(asks/bids) model representation
    • Ask.java, asks model representation (extends AbstractBook)
    • Bid.java, bids model representation (extends AbstractBook)
    • OrderBook.java, order book model representation, contains bidsMap & asksMap, implements methods to work with them
  • services package:
    • JsonParser.java, makes a request to get JSON response and parse it
    • InvalidUrlException.java and JsonParsingException.java, own exceptions
    • LoggerService.java, implements application logging
    • OrderBookManagerService.java, implements interaction and calculation logic for models
  • App.java, starts the app
• order-book-snapshots-log - logs, calculation result output
• pom.xml maven configuration and info project.

.
├───src
│   ├───main/java/org/example
│   │   ├───config
│   │   │   └───Config.java
│   │   ├───models
│   │   │   ├───AbstractBook.java
│   │   │   ├───Ask.java
│   │   │   ├───Bid.java
│   │   │   └───OrderBook.java
│   │   ├───services
│   │   │   ├───InvalidUrlException.java
│   │   │   ├───JsonParser.java
│   │   │   ├───JsonParsingException.java
│   │   │   ├───LoggerService.java
│   │   │   └───OrderBookManagerService.java
│   │   └───App.java
│   └───test/java/org/example
│       ├───JsonParserTest.java
│       └───OrderBookTest.java
├───.gitignore
├───LICENSE
├───README.md
├───order-book-snapshots-log
└───pom.xml