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Simplify liquidation price structure, improve test cov

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This commit is contained in:
Matthias 2022-08-29 06:59:00 +02:00
parent 226fa5d93c
commit 27a9f98d5f
2 changed files with 24 additions and 3 deletions
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5
freqtrade/exchange/exchange.py
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@ -2611,8 +2611,9 @@ class Exchange:
return None
elif (self.trading_mode != TradingMode.FUTURES):
raise OperationalException(
f"{self.name} does not support {self.margin_mode.value} {self.trading_mode.value}")
f"{self.name} does not support {self.margin_mode} {self.trading_mode}")
isolated_liq = None
if self._config['dry_run'] or not self.exchange_has("fetchPositions"):
isolated_liq = self.dry_run_liquidation_price(
@ -2630,8 +2631,6 @@ class Exchange:
if len(positions) > 0:
pos = positions[0]
isolated_liq = pos['liquidationPrice']
else:
return None
if isolated_liq:
buffer_amount = abs(open_rate - isolated_liq) * self.liquidation_buffer

22
tests/exchange/test_exchange.py
View File

@ -5000,6 +5000,28 @@ def test_get_liquidation_price1(mocker, default_conf):
)
assert liq_price == 17.540699999999998
api_mock.fetch_positions = MagicMock(return_value=[])
exchange = get_patched_exchange(mocker, default_conf, api_mock)
liq_price = exchange.get_liquidation_price(
pair='NEAR/USDT:USDT',
open_rate=18.884,
is_short=False,
amount=0.8,
stake_amount=18.884 * 0.8,
)
assert liq_price is None
default_conf['trading_mode'] = 'margin'
exchange = get_patched_exchange(mocker, default_conf, api_mock)
with pytest.raises(OperationalException, match=r'.*does not support .* margin'):
exchange.get_liquidation_price(
pair='NEAR/USDT:USDT',
open_rate=18.884,
is_short=False,
amount=0.8,
stake_amount=18.884 * 0.8,
)
@pytest.mark.parametrize('liquidation_buffer', [0.0, 0.05])
@pytest.mark.parametrize(