binance-exchange#47 add getAllTradeFees() /sapi/v1/asset/tradeFee : i…

…nspired by https://github.com/binance-exchange/binance-java-api/pull/343/files

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

@@ -4,6 +4,7 @@
 import com.binance.api.client.domain.account.request.*;
 import com.binance.api.client.domain.general.ExchangeInfo;
 import com.binance.api.client.domain.general.Asset;
+import com.binance.api.client.domain.general.TradeFee;
 import com.binance.api.client.domain.market.AggTrade;
 import com.binance.api.client.domain.market.BookTicker;
 import com.binance.api.client.domain.market.Candlestick;
@@ -43,6 +44,11 @@ public interface BinanceApiRestClient {
    */
   List<Asset> getAllAssets();
 
+  /**
+   * @return All trade fees for each asset.
+   */
+  List<TradeFee> getAllTradeFees(long timestamp, String symbol, Long recvWindow);
+
   // Market Data endpoints
 
   /**

src/main/java/com/binance/api/client/domain/general/TradeFee.java

@@ -0,0 +1,56 @@
+package com.binance.api.client.domain.general;
+
+import com.binance.api.client.constant.BinanceApiConstants;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import org.apache.commons.lang3.builder.ToStringBuilder;
+
+/**
+ * An TradeFee Binance supports.
+ */
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class TradeFee {
+
+    @JsonProperty("symbol")
+    private String symbol;
+
+    @JsonProperty("makerCommission")
+    private double maker;
+
+    @JsonProperty("takerCommission")
+    private double taker;
+
+    public String getSymbol() {
+        return symbol;
+    }
+
+    public void setSymbol(String symbol) {
+        this.symbol = symbol;
+    }
+
+    public double getMaker() {
+        return maker;
+    }
+
+    public void setMaker(double maker) {
+        this.maker = maker;
+    }
+
+    public double getTaker() {
+        return taker;
+    }
+
+    public void setTaker(double taker) {
+        this.taker = taker;
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this, BinanceApiConstants.TO_STRING_BUILDER_STYLE)
+                .append("id", symbol)
+                .append("symbol", symbol)
+                .append("maker", maker)
+                .append("taker", taker)
+                .toString();
+    }
+}

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

@@ -7,6 +7,7 @@
 import com.binance.api.client.domain.account.request.*;
 import com.binance.api.client.domain.general.Asset;
 import com.binance.api.client.domain.general.ExchangeInfo;
+import com.binance.api.client.domain.general.TradeFee;
 import com.binance.api.client.domain.market.*;
 import retrofit2.Call;
 
@@ -50,6 +51,11 @@ public List<Asset> getAllAssets() {
 				.getAllAssets(BinanceApiConfig.getAssetInfoApiBaseUrl() + "assetWithdraw/getAllAsset.html"));
 	}
 
+	@Override
+	public List<TradeFee> getAllTradeFees(long timestamp, String symbol, Long recvWindow) {
+		return executeSync(binanceApiService.getAllTradeFees(timestamp, symbol, recvWindow));
+	}
+
 	// Market Data endpoints
 
 	@Override

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

@@ -12,6 +12,7 @@
 import com.binance.api.client.domain.general.Asset;
 import com.binance.api.client.domain.general.ExchangeInfo;
 import com.binance.api.client.domain.general.ServerTime;
+import com.binance.api.client.domain.general.TradeFee;
 import com.binance.api.client.domain.market.*;
 import retrofit2.Call;
 import retrofit2.http.*;
@@ -37,6 +38,11 @@ public interface BinanceApiService {
     @GET
     Call<List<Asset>> getAllAssets(@Url String url);
 
+    @Headers(BinanceApiConstants.ENDPOINT_SECURITY_TYPE_SIGNED_HEADER)
+    @GET("/sapi/v1/asset/tradeFee")
+    Call<List<TradeFee>> getAllTradeFees(@Query("timestamp") long timestamp, @Query("symbol") String symbol,
+            @Query("recvWindow") Long recvWindow);
+
     // Market data endpoints
 
     @GET("/api/v1/depth")