[general] Add WalletFeature to some created wallets

xchange-ascendex/src/main/java/org/knowm/xchange/ascendex/AscendexAdapters.java

@@ -2,10 +2,9 @@
 
 import java.time.Instant;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Date;
+import java.util.EnumSet;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import org.knowm.xchange.ascendex.dto.account.AscendexCashAccountBalanceDto;
@@ -89,7 +88,7 @@ public static AccountInfo adaptAccountInfo(
     return new AccountInfo(
         Wallet.Builder.from(balances)
             .id("spot")
-            .features(new HashSet<>(Collections.singletonList(Wallet.WalletFeature.TRADING)))
+            .features(EnumSet.of(Wallet.WalletFeature.TRADING))
             .build());
   }
 

xchange-binance/src/main/java/org/knowm/xchange/binance/BinanceAdapters.java

@@ -11,6 +11,7 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -374,7 +375,7 @@ public static Wallet adaptBinanceSpotWallet(BinanceAccountInformation binanceAcc
     return new Wallet.Builder()
         .balances(balances)
         .id("spot")
-        .features(Collections.singleton(Wallet.WalletFeature.TRADING))
+        .features(EnumSet.of(Wallet.WalletFeature.TRADING))
         .build();
   }
 

xchange-bitget/src/main/java/org/knowm/xchange/bitget/BitgetAdapters.java

@@ -3,6 +3,7 @@
 import java.math.BigDecimal;
 import java.time.Instant;
 import java.util.Date;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -122,7 +123,11 @@ public Wallet toWallet(List<BitgetBalanceDto> bitgetBalanceDtos) {
     List<Balance> balances =
         bitgetBalanceDtos.stream().map(BitgetAdapters::toBalance).collect(Collectors.toList());
 
-    return Wallet.Builder.from(balances).id("spot").build();
+    return Wallet.Builder
+        .from(balances)
+        .id("spot")
+        .features(EnumSet.of(Wallet.WalletFeature.TRADING))
+        .build();
   }
 
   public OrderBook toOrderBook(BitgetMarketDepthDto bitgetMarketDepthDto, Instrument instrument) {

xchange-coinex/src/main/java/org/knowm/xchange/coinex/CoinexAdapters.java

@@ -4,6 +4,7 @@
 import java.time.Instant;
 import java.util.Collection;
 import java.util.Date;
+import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -203,7 +204,11 @@ public Wallet toWallet(List<CoinexBalanceInfo> coinexBalanceInfos) {
     List<Balance> balances =
         coinexBalanceInfos.stream().map(CoinexAdapters::toBalance).collect(Collectors.toList());
 
-    return Wallet.Builder.from(balances).id("spot").build();
+    return Wallet.Builder
+        .from(balances)
+        .id("spot")
+        .features(EnumSet.of(Wallet.WalletFeature.TRADING))
+        .build();
   }
 
   public String toString(OrderType orderType) {

xchange-gateio-v4/src/main/java/org/knowm/xchange/gateio/service/GateioAccountService.java

@@ -1,6 +1,7 @@
 package org.knowm.xchange.gateio.service;
 
 import java.io.IOException;
+import java.util.EnumSet;
 import java.util.List;
 import java.util.stream.Collectors;
 import org.apache.commons.lang3.Validate;
@@ -43,7 +44,11 @@ public AccountInfo getAccountInfo() throws IOException {
                           .build())
               .collect(Collectors.toList());
 
-      Wallet wallet = Wallet.Builder.from(balances).id("spot").build();
+      Wallet wallet = Wallet.Builder
+          .from(balances)
+          .id("spot")
+          .features(EnumSet.of(Wallet.WalletFeature.TRADING))
+          .build();
 
       return new AccountInfo(wallet);
 

xchange-stream-coinmate/src/main/java/info/bitrich/xchangestream/coinmate/v2/CoinmateStreamingAccountService.java

@@ -7,20 +7,19 @@
 import info.bitrich.xchangestream.service.netty.StreamingObjectMapperHelper;
 import io.reactivex.rxjava3.core.Observable;
 import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashSet;
+import java.util.EnumSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import org.knowm.xchange.currency.Currency;
 import org.knowm.xchange.dto.account.Balance;
 import org.knowm.xchange.dto.account.Wallet;
+import org.knowm.xchange.dto.account.Wallet.WalletFeature;
 
 public class CoinmateStreamingAccountService implements StreamingAccountService {
 
   private final CoinmateStreamingService coinmateStreamingService;
-  private final Set<Wallet.WalletFeature> walletFeatures =
-      new HashSet<>(Arrays.asList(Wallet.WalletFeature.TRADING, Wallet.WalletFeature.FUNDING));
+  private final Set<Wallet.WalletFeature> walletFeatures = EnumSet.of(WalletFeature.TRADING, WalletFeature.FUNDING);
 
   public CoinmateStreamingAccountService(CoinmateStreamingService coinmateStreamingService) {
     this.coinmateStreamingService = coinmateStreamingService;