Implement DDos backoff (1s)

freqtrade/exchange/binance.py

@@ -4,8 +4,9 @@ from typing import Dict
 
 import ccxt
 
-from freqtrade.exceptions import (DependencyException, InvalidOrderException,
-                                  OperationalException, TemporaryError)
+from freqtrade.exceptions import (DDosProtection, DependencyException,
+                                  InvalidOrderException, OperationalException,
+                                  TemporaryError)
 from freqtrade.exchange import Exchange
 
 logger = logging.getLogger(__name__)
@@ -88,6 +89,8 @@ class Binance(Exchange):
                 f'Could not create {ordertype} sell order on market {pair}. '
                 f'Tried to sell amount {amount} at rate {rate}. '
                 f'Message: {e}') from e
+        except ccxt.DDoSProtection as e:
+            raise DDosProtection(e) from e
         except (ccxt.NetworkError, ccxt.ExchangeError) as e:
             raise TemporaryError(
                 f'Could not place sell order due to {e.__class__.__name__}. Message: {e}') from e