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exchange.get_leverage_tiers and exchange.get_market_leverage_tiers

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This commit is contained in:
Sam Germain 2022-02-25 12:45:35 -06:00
parent c7e87e86e2
commit 6cd01c45d5
1 changed files with 32 additions and 24 deletions
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56
freqtrade/exchange/exchange.py
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@ -1873,22 +1873,40 @@ class Exchange:
raise OperationalException(e) from e
@retrier
def get_leverage_tiers(self) -> Dict[str, List[Dict]]:
try:
return self._api.fetch_leverage_tiers()
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
f'Could not load leverage tiers due to {e.__class__.__name__}. Message: {e}'
) from e
except ccxt.BaseError as e:
raise OperationalException(e) from e
@retrier
def get_market_leverage_tiers(self, symbol) -> List[Dict]:
try:
return self._api.fetch_market_leverage_tiers(symbol)
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
f'Could not load leverage tiers for {symbol}'
f' due to {e.__class__.__name__}. Message: {e}'
) from e
except ccxt.BaseError as e:
raise OperationalException(e) from e
def load_leverage_tiers(self) -> Dict[str, List[Dict]]:
if self.trading_mode == TradingMode.FUTURES:
if self.exchange_has('fetchLeverageTiers'):
try:
return self._api.fetch_leverage_tiers()
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
f'Could not load leverage tiers due to {e.__class__.__name__}.'
f'Message: {e}'
) from e
except ccxt.BaseError as e:
raise OperationalException(e) from e
# Fetch all leverage tiers at once
return self.get_leverage_tiers()
elif self.exchange_has('fetchMarketLeverageTiers'):
# * This is slow(~45s) on Okex, makes ~90 api calls to load all linear swap markets
# Must fetch the leverage tiers for each market separately
# * This is slow(~45s) on Okx, makes ~90 api calls to load all linear swap markets
markets = self.markets
symbols = []
@ -1905,18 +1923,8 @@ class Exchange:
"This will take about a minute.")
for symbol in sorted(symbols):
try:
res = self._api.fetch_market_leverage_tiers(symbol)
tiers[symbol] = res[symbol]
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
f'Could not load leverage tiers for {symbol}'
f' due to {e.__class__.__name__}. Message: {e}'
) from e
except ccxt.BaseError as e:
raise OperationalException(e) from e
tiers[symbol] = self.get_market_leverage_tiers(symbol)
logger.info(f"Done initializing {len(symbols)} markets.")
return tiers