Refactoring to use strategy based configuration

freqtrade/rpc/rpc.py

@@ -721,7 +721,7 @@ class RPC:
         # check if pair already has an open pair
         trade = Trade.get_trades([Trade.is_open.is_(True), Trade.pair == pair]).first()
         if trade:
-            if not self._config.get('position_adjustment_enable', False):
+            if not self._freqtrade.strategy.position_adjustment_enable:
                 raise RPCException(f'position for {pair} already open - id: {trade.id}')
 
         # gen stake amount