drop sleep_time and use python-bittrex request delay

freqtrade/exchange/__init__.py

@@ -161,9 +161,5 @@ def get_name() -> str:
     return _API.name
 
 
-def get_sleep_time() -> float:
-    return _API.sleep_time
-
-
 def get_fee() -> float:
     return _API.fee

freqtrade/exchange/bittrex.py

@@ -21,11 +21,6 @@ class Bittrex(Exchange):
     TICKER_METHOD: str = BASE_URL + '/Api/v2.0/pub/market/GetTicks'
     PAIR_DETAIL_METHOD: str = BASE_URL + '/Market/Index'
 
-    @property
-    def sleep_time(self) -> float:
-        """ Sleep time to avoid rate limits, used in the main loop """
-        return 25
-
     def __init__(self, config: dict) -> None:
         global _API, _EXCHANGE_CONF
 

freqtrade/exchange/interface.py

@@ -18,14 +18,6 @@ class Exchange(ABC):
         :return: percentage in float
         """
 
-    @property
-    @abstractmethod
-    def sleep_time(self) -> float:
-        """
-        Sleep time in seconds for the main loop to avoid API rate limits.
-        :return: float
-        """
-
     @abstractmethod
     def buy(self, pair: str, rate: float, amount: float) -> str:
         """

freqtrade/main.py

@@ -299,8 +299,6 @@ def main():
             time.sleep(1)
         elif new_state == State.RUNNING:
             _process()
-            # We need to sleep here because otherwise we would run into bittrex rate limit
-            time.sleep(exchange.get_sleep_time())
         old_state = new_state