From be44ab31aab675bc4426441549040dba45d07e19 Mon Sep 17 00:00:00 2001
From: atrcek <ales.trcek@iconomi.com>
Date: Tue, 19 Jul 2022 18:33:25 +0200
Subject: [PATCH] fix for Huobi withdraw fee

---
 .../knowm/xchange/huobi/HuobiAdapters.java    | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/xchange-huobi/src/main/java/org/knowm/xchange/huobi/HuobiAdapters.java b/xchange-huobi/src/main/java/org/knowm/xchange/huobi/HuobiAdapters.java
index 9df2e7b2e73..20609c587e5 100644
--- a/xchange-huobi/src/main/java/org/knowm/xchange/huobi/HuobiAdapters.java
+++ b/xchange-huobi/src/main/java/org/knowm/xchange/huobi/HuobiAdapters.java
@@ -1,13 +1,5 @@
 package org.knowm.xchange.huobi;
 
-import java.math.BigDecimal;
-import java.math.RoundingMode;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
 import org.knowm.xchange.currency.Currency;
 import org.knowm.xchange.currency.CurrencyPair;
 import org.knowm.xchange.dto.Order;
@@ -43,6 +35,15 @@
 import org.knowm.xchange.huobi.dto.marketdata.HuobiTicker;
 import org.knowm.xchange.huobi.dto.trade.HuobiOrder;
 
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
 public class HuobiAdapters {
   private static final String ONLINE = "allowed";
   private static final String DELISTED = "delisted";
@@ -137,7 +138,7 @@ private static CurrencyMetaData adaptCurrencyMetaData(
   private static CurrencyMetaData getCurrencyMetaData(
       HuobiCurrency huobiCurrency, boolean isDelisted) {
     int withdrawPrecision = huobiCurrency.getWithdrawPrecision();
-    BigDecimal transactFeeWithdraw = new BigDecimal(huobiCurrency.getTransactFeeWithdraw());
+    BigDecimal transactFeeWithdraw = huobiCurrency.getTransactFeeWithdraw() != null ? new BigDecimal(huobiCurrency.getTransactFeeWithdraw()) : BigDecimal.ZERO;
     BigDecimal minWithdrawAmt = new BigDecimal(huobiCurrency.getMinWithdrawAmt());
     WalletHealth walletHealthStatus =
         isDelisted ? WalletHealth.OFFLINE : getWalletHealthStatus(huobiCurrency);