working on catching the 'sell insufficient funds error'

freqtrade/exchange/bittrex.py

@@ -82,6 +82,13 @@ class Bittrex(Exchange):
         data = _API.sell_limit(pair.replace('_', '-'), amount, rate)
         if not data['success']:
             Bittrex._validate_response(data)
+            if data['message'] == "INSUFFICIENT_FUNDS":
+                raise NotEnoughFundsExeption('{message} params=({pair}, {rate}, {amount})'.format(
+                    message=data['message'],
+                    pair=pair,
+                    rate=rate,
+                    amount=amount))
+            else:
                 raise OperationalException('{message} params=({pair}, {rate}, {amount})'.format(
                     message=data['message'],
                     pair=pair,

freqtrade/freqtradebot.py

@@ -472,6 +472,9 @@ class FreqtradeBot(object):
         :return: None
         """
         # Execute sell and update trade record
+
+        # check if we have these funds first
+        try:
             order_id = exchange.sell(str(trade.pair), limit, trade.amount)
             trade.open_order_id = order_id
 
@@ -528,3 +531,5 @@ class FreqtradeBot(object):
             # Send the message
             self.rpc.send_msg(message)
             Trade.session.flush()
+        except NotEnoughFundsExeption:
+            logger.warning('Sell order failed, due to not having enough funds for %s.', trade)