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Support per exchange params for OHLCV endpoint

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This commit is contained in:
Matthias
2021-05-01 17:29:53 +02:00
parent 37d8e3c758
commit 0b280a59bc
3 changed files with 32 additions and 10 deletions
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15
freqtrade/exchange/exchange.py
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@@ -59,6 +59,7 @@ class Exchange:
_ft_has_default: Dict = {
"stoploss_on_exchange": False,
"order_time_in_force": ["gtc"],
"ohlcv_params": {},
"ohlcv_candle_limit": 500,
"ohlcv_partial_candle": True,
"trades_pagination": "time", # Possible are "time" or "id"
@@ -874,17 +875,11 @@ class Exchange:
"Fetching pair %s, interval %s, since %s %s...",
pair, timeframe, since_ms, s
)
#fixing support for HitBTC #4778
if self.name== 'HitBTC':
data = await self._api_async.fetch_ohlcv(pair, timeframe=timeframe,
since=since_ms,
limit=self.ohlcv_candle_limit(timeframe),
params={"sort": "DESC"}
)
else:
data = await self._api_async.fetch_ohlcv(pair, timeframe=timeframe,
params = self._ft_has.get('ohlcv_params', {})
data = await self._api_async.fetch_ohlcv(pair, timeframe=timeframe,
since=since_ms,
limit=self.ohlcv_candle_limit(timeframe))
limit=self.ohlcv_candle_limit(timeframe),
params=params)
# Some exchanges sort OHLCV in ASC order and others in DESC.
# Ex: Bittrex returns the list of OHLCV in ASC order (oldest first, newest last)