Added ability to query 24hr ticker price change statistics for all sy…

src/main/java/com/binance/api/client/BinanceApiAsyncRestClient.java

@@ -108,13 +108,28 @@ public interface BinanceApiAsyncRestClient {
    * @param callback the callback that handles the response
    */
   void get24HrPriceStatistics(String symbol, BinanceApiCallback<TickerStatistics> callback);
+
+  /**
+   * Get 24 hour price change statistics for all symbols (asynchronous).
+   * 
+   * @param callback the callback that handles the response
+   */
+   void getAll24HrPriceStatistics(BinanceApiCallback<List<TickerStatistics>> callback);
 
   /**
    * Get Latest price for all symbols (asynchronous).
    *
    * @param callback the callback that handles the response
    */
   void getAllPrices(BinanceApiCallback<List<TickerPrice>> callback);
+
+  /**
+   * Get latest price for <code>symbol</code> (asynchronous).
+   * 
+   * @param symbol ticker symbol (e.g. ETHBTC)
+   * @param callback the callback that handles the response
+   */
+   void getPrice(String symbol , BinanceApiCallback<TickerPrice> callback);
 
   /**
    * Get best price/qty on the order book for all symbols (asynchronous).

src/main/java/com/binance/api/client/BinanceApiRestClient.java

@@ -105,11 +105,23 @@ public interface BinanceApiRestClient {
    * @param symbol ticker symbol (e.g. ETHBTC)
    */
   TickerStatistics get24HrPriceStatistics(String symbol);
+
+  /**
+   * Get 24 hour price change statistics for all symbols.
+   */
+  List<TickerStatistics> getAll24HrPriceStatistics();
 
   /**
    * Get Latest price for all symbols.
    */
   List<TickerPrice> getAllPrices();
+
+  /**
+   * Get latest price for <code>symbol</code>.
+   * 
+   * @param symbol ticker symbol (e.g. ETHBTC)
+   */
+  TickerPrice getPrice(String symbol);
 
   /**
    * Get best price/qty on the order book for all symbols.

src/main/java/com/binance/api/client/domain/market/TickerStatistics.java

@@ -10,6 +10,11 @@
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class TickerStatistics {
 
+  /**
+   * Ticker symbol.
+   */
+  private String symbol;
+
   /**
    * Price change during the last 24 hours.
    */
@@ -217,10 +222,19 @@ public long getCount() {
   public void setCount(long count) {
     this.count = count;
   }
+
+  public String getSymbol() {
+	return symbol;
+  }
+
+  public void setSymbol(String symbol) {
+	this.symbol = symbol;
+  }
 
-  @Override
+@Override
   public String toString() {
     return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
+        .append("symbol", symbol)
         .append("priceChange", priceChange)
         .append("priceChangePercent", priceChangePercent)
         .append("weightedAvgPrice", weightedAvgPrice)

src/main/java/com/binance/api/client/impl/BinanceApiAsyncRestClientImpl.java

@@ -89,11 +89,21 @@ public void getCandlestickBars(String symbol, CandlestickInterval interval, Bina
   public void get24HrPriceStatistics(String symbol, BinanceApiCallback<TickerStatistics> callback) {
     binanceApiService.get24HrPriceStatistics(symbol).enqueue(new BinanceApiCallbackAdapter<>(callback));
   }
+
+  @Override
+  public void getAll24HrPriceStatistics(BinanceApiCallback<List<TickerStatistics>> callback) {
+    binanceApiService.getAll24HrPriceStatistics().enqueue(new BinanceApiCallbackAdapter<>(callback));
+  }
 
   @Override
   public void getAllPrices(BinanceApiCallback<List<TickerPrice>> callback) {
     binanceApiService.getLatestPrices().enqueue(new BinanceApiCallbackAdapter<>(callback));
   }
+
+  @Override
+  public void getPrice(String symbol , BinanceApiCallback<TickerPrice> callback) {
+    binanceApiService.getLatestPrice(symbol).enqueue(new BinanceApiCallbackAdapter<>(callback));
+  }
 
   @Override
   public void getBookTickers(BinanceApiCallback<List<BookTicker>> callback) {

src/main/java/com/binance/api/client/impl/BinanceApiRestClientImpl.java

@@ -88,6 +88,16 @@ public TickerStatistics get24HrPriceStatistics(String symbol) {
     return executeSync(binanceApiService.get24HrPriceStatistics(symbol));
   }
 
+  @Override
+  public List<TickerStatistics> getAll24HrPriceStatistics() {
+	return 	executeSync(binanceApiService.getAll24HrPriceStatistics());
+  }
+
+  @Override
+  public TickerPrice getPrice(String symbol) {
+	  return executeSync(binanceApiService.getLatestPrice(symbol));
+  }
+
   @Override
   public List<TickerPrice> getAllPrices() {
     return executeSync(binanceApiService.getLatestPrices());

src/main/java/com/binance/api/client/impl/BinanceApiService.java

@@ -61,9 +61,15 @@ Call<List<Candlestick>> getCandlestickBars(@Query("symbol") String symbol, @Quer
 
   @GET("/api/v1/ticker/24hr")
   Call<TickerStatistics> get24HrPriceStatistics(@Query("symbol") String symbol);
+
+  @GET("/api/v1/ticker/24hr")
+  Call<List<TickerStatistics>> getAll24HrPriceStatistics();
 
   @GET("/api/v1/ticker/allPrices")
   Call<List<TickerPrice>> getLatestPrices();
+
+  @GET("/api/v3/ticker/price")
+  Call<TickerPrice> getLatestPrice(@Query("symbol") String symbol);
 
   @GET("/api/v1/ticker/allBookTickers")
   Call<List<BookTicker>> getBookTickers();