Merge pull request #5847 from stash86/kucoin-api

Hardcoded temp fix for Kucoin API issue

freqtrade/exchange/common.py

@@ -81,6 +81,13 @@ def retrier_async(f):
                 count -= 1
                 kwargs.update({'count': count})
                 if isinstance(ex, DDosProtection):
+                    if "kucoin" in str(ex) and "429000" in str(ex):
+                        # Temporary fix for 429000 error on kucoin
+                        # see https://github.com/freqtrade/freqtrade/issues/5700 for details.
+                        logger.warning(
+                            f"Kucoin 429 error, avoid triggering DDosProtection backoff delay. "
+                            f"{count} tries left before giving up")
+                    else:
                         backoff_delay = calculate_backoff(count + 1, API_RETRY_COUNT)
                         logger.info(f"Applying DDosProtection backoff delay: {backoff_delay}")
                         await asyncio.sleep(backoff_delay)