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Added error handlers to api functions and made a logger warning in fill_leverage_brackets

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This commit is contained in:
Sam Germain 2021-08-21 01:13:51 -06:00
parent c256dc3745
commit 16db8d70a5
3 changed files with 61 additions and 28 deletions
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17
freqtrade/exchange/binance.py
View File

@ -104,6 +104,7 @@ class Binance(Exchange):
Assigns property _leverage_brackets to a dictionary of information about the leverage
allowed on each pair
"""
try:
leverage_brackets = self._api.load_leverage_brackets()
for pair, brackets in leverage_brackets.items:
self.leverage_brackets[pair] = [
@ -116,6 +117,14 @@ class Binance(Exchange):
] in brackets
]
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(f'Could not fetch leverage amounts due to'
f'{e.__class__.__name__}. Message: {e}') from e
except ccxt.BaseError as e:
raise OperationalException(e) from e
def get_max_leverage(self, pair: Optional[str], nominal_value: Optional[float]) -> float:
"""
Returns the maximum leverage that a pair can be traded at
@ -135,4 +144,12 @@ class Binance(Exchange):
Binance Futures must set the leverage before making a futures trade, in order to not
have the same leverage on every trade
"""
try:
self._api.set_leverage(symbol=pair, leverage=leverage)
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
f'Could not set leverage due to {e.__class__.__name__}. Message: {e}') from e
except ccxt.BaseError as e:
raise OperationalException(e) from e

8
freqtrade/exchange/ftx.py
View File

@ -182,4 +182,12 @@ class Ftx(Exchange):
:param pair: Here for super method, not used on FTX
:param leverage:
"""
try:
self._api.private_post_account_leverage({'leverage': leverage})
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(f'Could not fetch leverage amounts due to'
f'{e.__class__.__name__}. Message: {e}') from e
except ccxt.BaseError as e:
raise OperationalException(e) from e

12
freqtrade/exchange/kraken.py
View File

@ -135,14 +135,15 @@ class Kraken(Exchange):
"""
# TODO-lev: Not sure if this works correctly for futures
leverages = {}
try:
for pair, market in self._api.load_markets().items():
info = market['info']
leverage_buy = info['leverage_buy']
leverage_sell = info['leverage_sell']
if len(info['leverage_buy']) > 0 or len(info['leverage_sell']) > 0:
if leverage_buy != leverage_sell:
print(f"\033[91m The buy leverage != the sell leverage for {pair}."
"please let freqtrade know because this has never happened before"
logger.warning(f"The buy leverage != the sell leverage for {pair}. Please"
"let freqtrade know because this has never happened before"
)
if max(leverage_buy) < max(leverage_sell):
leverages[pair] = leverage_buy
@ -151,6 +152,13 @@ class Kraken(Exchange):
else:
leverages[pair] = leverage_buy
self._leverage_brackets = leverages
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(f'Could not fetch leverage amounts due to'
f'{e.__class__.__name__}. Message: {e}') from e
except ccxt.BaseError as e:
raise OperationalException(e) from e
def get_max_leverage(self, pair: Optional[str], nominal_value: Optional[float]) -> float:
"""