diff --git a/bitex/interface/bittrex.py b/bitex/interface/bittrex.py
index 17a9623..06036e4 100644
--- a/bitex/interface/bittrex.py
+++ b/bitex/interface/bittrex.py
@@ -26,8 +26,7 @@ def __init__(self, **api_kwargs):
     # pylint: disable=arguments-differ
     def request(self, endpoint, authenticate=False, **req_kwargs):
         """Generate a request to the API."""
-        return super(Bittrex, self).request('GET', endpoint, authenticate=authenticate,
-                                            **req_kwargs)
+        return super(Bittrex, self).request('GET', endpoint, authenticate=authenticate, **req_kwargs)
 
     def _get_supported_pairs(self):
         """Return a list of supported pairs."""
@@ -103,13 +102,12 @@ def cancel_order(self, *order_ids, **kwargs):
         return results if len(results) > 1 else results[0]
 
     @format_with(BittrexFormattedResponse)
-    def wallet(self, *args, currency=None, **kwargs):  # pylint: disable=arguments-differ
+    def wallet(self, currency=None, *args, **kwargs):  # pylint: disable=arguments-differ
         """Return the account wallet."""
+        payload = kwargs
         if currency:
             payload = {'currency': currency}
             payload.update(kwargs)
-            return self.request('account/getbalance', params=payload, authenticate=True)
-        payload = kwargs
         return self.request('account/getbalances', params=payload, authenticate=True)
 
     ###########################
@@ -124,19 +122,31 @@ def deposit_address(self, currency, **kwargs):
 
     def withdraw(self, **kwargs):
         """Issue a withdrawal."""
-        return self.request('account/withdraw', params=kwargs)
+        return self.request('account/withdraw', params=kwargs, authenticate=True)
 
-    def trade_history(self, *args, **kwargs):  # pylint: disable=unused-argument
+    def trade_history(self, pair=None, **kwargs):
         """Return the account's trade history."""
-        return self.request('account/getorderhistory', params=kwargs, authenticate=True)
+        payload = kwargs
+        if pair:
+            payload = {'market': pair}
+            payload.update(kwargs)
+        return self.request('account/getorderhistory', params=payload, authenticate=True)
 
-    def withdrawal_history(self, *args, **kwargs):  # pylint: disable=unused-argument
+    def withdrawal_history(self, currency=None, **kwargs):
         """Return the account's withdrawal history."""
-        return self.request('account/getwithdrawalhistory', params=kwargs)
+        payload = kwargs
+        if currency:
+            payload = {'currency': currency}
+            payload.update(kwargs)
+        return self.request('account/getwithdrawalhistory', params=payload, authenticate=True)
 
-    def deposit_history(self, *args, **kwargs):  # pylint: disable=unused-argument
+    def deposit_history(self, currency=None, **kwargs):
         """Return the account's deposit history."""
-        return self.request('account/getdeposithistory', params=kwargs)
+        payload = kwargs
+        if currency:
+            payload = {'currency': currency}
+            payload.update(kwargs)
+        return self.request('account/getdeposithistory', params=payload, authenticate=True)
 
     def pairs(self, **kwargs):
         """Return the available pairs."""