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50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
import pytest
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from freqtrade.exceptions import OperationalException
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from freqtrade.leverage import interest
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from freqtrade.util import FtPrecise
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ten_mins = FtPrecise(1 / 6)
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five_hours = FtPrecise(5.0)
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twentyfive_hours = FtPrecise(25.0)
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@pytest.mark.parametrize(
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"exchange,interest_rate,hours,expected",
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[
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("binance", 0.0005, ten_mins, 0.00125),
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("binance", 0.00025, ten_mins, 0.000625),
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("binance", 0.00025, five_hours, 0.003125),
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("binance", 0.00025, twentyfive_hours, 0.015625),
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# Kraken
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("kraken", 0.0005, ten_mins, 0.06),
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("kraken", 0.00025, ten_mins, 0.03),
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("kraken", 0.00025, five_hours, 0.045),
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("kraken", 0.00025, twentyfive_hours, 0.12),
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],
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)
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def test_interest(exchange, interest_rate, hours, expected):
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borrowed = FtPrecise(60.0)
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assert (
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pytest.approx(
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float(
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interest(
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exchange_name=exchange,
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borrowed=borrowed,
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rate=FtPrecise(interest_rate),
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hours=hours,
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)
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)
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)
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== expected
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)
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def test_interest_exception():
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with pytest.raises(OperationalException, match=r"Leverage not available on .* with freqtrade"):
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interest(
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exchange_name="bitmex", borrowed=FtPrecise(60.0), rate=FtPrecise(0.0005), hours=ten_mins
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)
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