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Merge pull request #3396 from freqtrade/fix/broken_getpairs

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Use dict for symbol_is_pair
This commit is contained in:
Matthias
2020-08-15 08:58:53 +02:00
committed by GitHub
parent 200de312fe c6741ea6c3
commit 89b9a8cb1f
8 changed files with 86 additions and 43 deletions
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29
freqtrade/exchange/exchange.py
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@@ -222,7 +222,7 @@ class Exchange:
if quote_currencies:
markets = {k: v for k, v in markets.items() if v['quote'] in quote_currencies}
if pairs_only:
markets = {k: v for k, v in markets.items() if symbol_is_pair(v['symbol'])}
markets = {k: v for k, v in markets.items() if self.market_is_tradable(v)}
if active_only:
markets = {k: v for k, v in markets.items() if market_is_active(v)}
return markets
@@ -246,6 +246,19 @@ class Exchange:
"""
return self.markets.get(pair, {}).get('base', '')
def market_is_tradable(self, market: Dict[str, Any]) -> bool:
"""
Check if the market symbol is tradable by Freqtrade.
By default, checks if it's splittable by `/` and both sides correspond to base / quote
"""
symbol_parts = market['symbol'].split('/')
return (len(symbol_parts) == 2 and
len(symbol_parts[0]) > 0 and
len(symbol_parts[1]) > 0 and
symbol_parts[0] == market.get('base') and
symbol_parts[1] == market.get('quote')
)
def klines(self, pair_interval: Tuple[str, str], copy: bool = True) -> DataFrame:
if pair_interval in self._klines:
return self._klines[pair_interval].copy() if copy else self._klines[pair_interval]
@@ -1258,20 +1271,6 @@ def timeframe_to_next_date(timeframe: str, date: datetime = None) -> datetime:
return datetime.fromtimestamp(new_timestamp, tz=timezone.utc)
def symbol_is_pair(market_symbol: str, base_currency: str = None,
quote_currency: str = None) -> bool:
"""
Check if the market symbol is a pair, i.e. that its symbol consists of the base currency and the
quote currency separated by '/' character. If base_currency and/or quote_currency is passed,
it also checks that the symbol contains appropriate base and/or quote currency part before
and after the separating character correspondingly.
"""
symbol_parts = market_symbol.split('/')
return (len(symbol_parts) == 2 and
(symbol_parts[0] == base_currency if base_currency else len(symbol_parts[0]) > 0) and
(symbol_parts[1] == quote_currency if quote_currency else len(symbol_parts[1]) > 0))
def market_is_active(market: Dict) -> bool:
"""
Return True if the market is active.