smfaizalkhan/encounter-with-javafx-java8

SonarTrading

Requirments

1. JDK 1.8
2. Apache Maven 3.5.2
3. git client

Build and Run

1. Clone the Project
2. Navigate to Project folder and run the command mvn clean package
3. It creates target folder and jar.Navigate to the target folder and run the command java -jar SonarTrading-0.0.1-SNAPSHOT.jar
4. It starts the Application

Configuration

In src/main/resources/config.properties:

1. webSocketURL=wss://ws.bitso.com
2. restAPIURL=https://api.bitso.com
3. upTick=3
4. downTick=3
5. maxOrders=50
6. minOrders=50

Check List

Feature	File name	Method name
Schedule the polling of trades over REST.	TradeRestService.java	callRestService()
Request a book snapshot over REST.	OrderRestService.java	callRestService()
Listen for diff-orders over websocket.	OrderWebSocketCall.java	sendMessage()
Replay diff-orders.	OrderWebSocketCall.java	createOrderBook()
Use config option X to request recent trades.	config.properties	maxOrders
Use config option X to limit number of ASKs displayed in UI.	config.properties	maxOrders
The loop that causes the trading algorithm to reevaluate.	TradeWebSocketCall	tradingStrategy()

Bitcoin Trading App integrating with BitSo using JAVAFX and JAVA8

com\sonar\view Sonar.fxml is the fromt end interface using SceneBuilder

SonarMainclass loads this fxml and it is binded with our controller SonarController.java file

SonarController.java initialises the components and call the REST API

a) Fetch the latest OrderBook (OrderRestService.java) and map the JSON to the POJO (OrderAsks.java,OrderBids.java)
b) Fetch the latest Trade     (TradeRestService.java) and map the JSON to the POJO (TradeOrder.java)

SonarController.java captilizes on the CompletableFeature of JAVA8,So call WebSocket URL on Order and Trade after REST using thenApply

a) Fetch Live-Feed for OrderBook (OrderWebSocketCall.java) and map the result to POJO (OrderAsks.java,OrderBids.java)

      add the POJO to an ObserVableList if status is OPEN 
      remove the POJO from list using JAVA8 Predicate removeIf

b) Fetch Live-Feed for TradeBook (TradeWebSocketCall.java) and map the result to POJO (TradeOrder.java)

        check for the latest price with previous trade price,if higher then increase UpTick count by 1,downtick to 0
        check for the latest price with previos trade price ,if lesser then increase downTick count by 1,upTick to 0