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Extract funding and mark mergin to separate method

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This commit is contained in:
Matthias
2022-01-17 19:39:58 +01:00
parent 84c6d92d4c
commit 82c90c0049
3 changed files with 24 additions and 19 deletions
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8
freqtrade/exchange/kraken.py
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@@ -161,8 +161,7 @@ class Kraken(Exchange):
def calculate_funding_fees(
self,
funding_rates: DataFrame,
mark_rates: DataFrame,
df: DataFrame,
amount: float,
open_date: datetime,
close_date: Optional[datetime] = None,
@@ -174,8 +173,8 @@ class Kraken(Exchange):
# ! functionality must be added that passes the parameter time_in_ratio to
# ! _get_funding_fee when using Kraken
calculates the sum of all funding fees that occurred for a pair during a futures trade
:param funding_rates: Dataframe containing Funding rates (Type FUNDING_RATE)
:param mark_rates: Dataframe containing Mark rates (Type mark_ohlcv_price)
:param df: Dataframe containing combined funding and mark rates
as `open_fund` and `open_mark`.
:param amount: The quantity of the trade
:param open_date: The date and time that the trade started
:param close_date: The date and time that the trade ended
@@ -186,7 +185,6 @@ class Kraken(Exchange):
f"time_in_ratio is required for {self.name}._get_funding_fee")
fees: float = 0
df = funding_rates.merge(mark_rates, on='date', how="inner", suffixes=["_fund", "_mark"])
if not df.empty:
df = df[(df['date'] >= open_date) & (df['date'] <= close_date)]
fees = sum(df['open_fund'] * df['open_mark'] * amount * time_in_ratio)