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freqtrade.exchange edited load_leverage_tiers

This commit is contained in:
Sam Germain 2022-02-07 04:19:18 -06:00
parent 0b717fbace
commit 41d8330fbc
1 changed files with 20 additions and 24 deletions
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44
freqtrade/exchange/exchange.py
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@ -1857,37 +1857,33 @@ class Exchange:
raise OperationalException(e) from e
def load_leverage_tiers(self) -> Dict[str, List[Dict]]:
return self._api.fetch_leverage_tiers()
if self.trading_mode == TradingMode.FUTURES and self._api.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
else:
return {}
@retrier
def fill_leverage_tiers(self) -> None:
"""
Assigns property _leverage_tiers to a dictionary of information about the leverage
allowed on each pair
After exectution, self._leverage_tiers = {
"pair_name": [
[notional_floor, maintenenace_margin_ratio, maintenance_amt],
...
],
...
}
e.g. {
"ETH/USDT:USDT": [
[0.0, 0.01, 0.0],
[10000, 0.02, 0.01],
...
],
...
}
"""
if self._api.has['fetchLeverageTiers']:
if self.trading_mode == TradingMode.FUTURES:
leverage_tiers = self.load_leverage_tiers()
for pair, tiers in leverage_tiers.items():
tiers = []
for tier in tiers:
tiers.append(self.parse_leverage_tier(tier))
self._leverage_tiers[pair] = tiers
leverage_tiers = self.load_leverage_tiers()
for pair, tiers in leverage_tiers.items():
tiers = []
for tier in tiers:
tiers.append(self.parse_leverage_tier(tier))
self._leverage_tiers[pair] = tiers
def parse_leverage_tier(self, tier) -> Dict:
info = tier['info']