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Check for existance of ask key in ticker

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closes #4267
This commit is contained in:
Matthias 2021-01-26 17:16:57 +01:00
parent 4d7f3e570b
commit a9b4d6de33
1 changed files with 3 additions and 1 deletions
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4
freqtrade/plugins/pairlist/SpreadFilter.py
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@ -43,7 +43,7 @@ class SpreadFilter(IPairList):
:param ticker: ticker dict as returned from ccxt.load_markets()
:return: True if the pair can stay, false if it should be removed
"""
if 'bid' in ticker and 'ask' in ticker:
if 'bid' in ticker and 'ask' in ticker and ticker['ask']:
spread = 1 - ticker['bid'] / ticker['ask']
if spread > self._max_spread_ratio:
self.log_once(f"Removed {pair} from whitelist, because spread "
@ -52,4 +52,6 @@ class SpreadFilter(IPairList):
return False
else:
return True
self.log_once(f"Removed {pair} from whitelist due to invalid ticker data: {ticker}",
logger.info)
return False