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Address ZeroDivisionExceptiond

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closes #4764 closes #4617
This commit is contained in:
Matthias 2021-04-20 21:41:18 +02:00
parent b230558294
commit 9f6f3e0862
2 changed files with 5 additions and 0 deletions
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2
freqtrade/persistence/models.py
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@ -547,6 +547,8 @@ class LocalTrade():
rate=(rate or self.close_rate), rate=(rate or self.close_rate),
fee=(fee or self.fee_close) fee=(fee or self.fee_close)
) )
if self.open_trade_value == 0.0:
return 0.0
profit_ratio = (close_trade_value / self.open_trade_value) - 1 profit_ratio = (close_trade_value / self.open_trade_value) - 1
return float(f"{profit_ratio:.8f}") return float(f"{profit_ratio:.8f}")

3
tests/test_persistence.py
View File

@ -388,6 +388,9 @@ def test_calc_profit_ratio(limit_buy_order, limit_sell_order, fee):
# Test with a custom fee rate on the close trade # Test with a custom fee rate on the close trade
assert trade.calc_profit_ratio(fee=0.003) == 0.06147824 assert trade.calc_profit_ratio(fee=0.003) == 0.06147824
trade.open_trade_value = 0.0
assert trade.calc_profit_ratio(fee=0.003) == 0.0
@pytest.mark.usefixtures("init_persistence") @pytest.mark.usefixtures("init_persistence")
def test_clean_dry_run_db(default_conf, fee): def test_clean_dry_run_db(default_conf, fee):