Don't use markets[pair]['quote']

freqtrade/exchange/exchange.py

@@ -334,7 +334,7 @@ class Exchange:
                 logger.warning(f"Pair {pair} is restricted for some users on this exchange."
                                f"Please check if you are impacted by this restriction "
                                f"on the exchange and eventually remove {pair} from your whitelist.")
-            if not self.markets[pair].get('quote') == self._config['stake_currency']:
+            if not self.get_pair_quote_currency(pair) == self._config['stake_currency']:
                 invalid_pairs.append(pair)
         if invalid_pairs:
             raise OperationalException(

freqtrade/freqtradebot.py

@@ -938,7 +938,8 @@ class FreqtradeBot:
         """
         # Update wallets to ensure amounts tied up in a stoploss is now free!
         self.wallets.update()
-        wallet_amount = self.wallets.get_free(self.exchange.get_pair_base_currency(pair))
+        trade_base_currency = self.exchange.get_pair_base_currency(pair)
+        wallet_amount = self.wallets.get_free(trade_base_currency)
         logger.debug(f"{pair} - Wallet: {wallet_amount} - Trade-amount: {amount}")
         if wallet_amount >= amount:
             return amount
@@ -1145,7 +1146,6 @@ class FreqtradeBot:
             return order_amount
         amount = 0
         fee_abs = 0
-        trade_base_currency = self.exchange.get_pair_base_currency(trade.pair)
         for exectrade in trades:
             amount += exectrade['amount']
             if ("fee" in exectrade and exectrade['fee'] is not None and

freqtrade/pairlist/IPairList.py

@@ -100,7 +100,7 @@ class IPairList(ABC):
                                f"{self._exchange.name}. Removing it from whitelist..")
                 continue
 
-            if markets[pair]['quote'] != self._config['stake_currency']:
+            if self._exchange.get_pair_quote_currency(pair) != self._config['stake_currency']:
                 logger.warning(f"Pair {pair} is not compatible with your stake currency "
                                f"{self._config['stake_currency']}. Removing it from whitelist..")
                 continue