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Allow multiple calls to get more candles in live-run

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Matthias
2021-11-04 20:00:02 +01:00
parent fb6ba62158
commit 9fa64c2647
4 changed files with 47 additions and 22 deletions
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10
freqtrade/exchange/binance.py
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@@ -1,6 +1,6 @@
""" Binance exchange subclass """
import logging
from typing import Dict, List
from typing import Dict, List, Tuple
import arrow
import ccxt
@@ -93,8 +93,9 @@ class Binance(Exchange):
raise OperationalException(e) from e
async def _async_get_historic_ohlcv(self, pair: str, timeframe: str,
since_ms: int, is_new_pair: bool = False
) -> List:
since_ms: int, is_new_pair: bool = False,
raise_: bool = False
) -> Tuple[str, str, List]:
"""
Overwrite to introduce "fast new pair" functionality by detecting the pair's listing date
Does not work for other exchanges, which don't return the earliest data when called with "0"
@@ -107,4 +108,5 @@ class Binance(Exchange):
logger.info(f"Candle-data for {pair} available starting with "
f"{arrow.get(since_ms // 1000).isoformat()}.")
return await super()._async_get_historic_ohlcv(
pair=pair, timeframe=timeframe, since_ms=since_ms, is_new_pair=is_new_pair)
pair=pair, timeframe=timeframe, since_ms=since_ms, is_new_pair=is_new_pair,
raise_=raise_)