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Emit a simple "new candle" message to allow UI's to refresh charts

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This commit is contained in:
Matthias 2022-10-26 20:22:58 +02:00
parent b0f430b5ac
commit 5e533b550f
4 changed files with 17 additions and 9 deletions
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18
freqtrade/data/dataprovider.py
View File

@ -101,16 +101,13 @@ class DataProvider:
""" """
return self.__producer_pairs.get(producer_name, []).copy() return self.__producer_pairs.get(producer_name, []).copy()
def _emit_df( def _emit_df(self, pair_key: PairWithTimeframe, dataframe: DataFrame, new_candle: bool) -> None:
self,
pair_key: PairWithTimeframe,
dataframe: DataFrame
) -> None:
""" """
Send this dataframe as an ANALYZED_DF message to RPC Send this dataframe as an ANALYZED_DF message to RPC
:param pair_key: PairWithTimeframe tuple :param pair_key: PairWithTimeframe tuple
:param data: Tuple containing the DataFrame and the datetime it was cached :param dataframe: Dataframe to emit
:param new_candle: This is a new candle
""" """
if self.__rpc: if self.__rpc:
self.__rpc.send_msg( self.__rpc.send_msg(
@ -123,6 +120,15 @@ class DataProvider:
} }
} }
) )
if new_candle:
self.__rpc.send_msg(
{
'type': RPCMessageType.NEW_CANDLE,
'data': {
'key': pair_key,
}
}
)
def _add_external_df( def _add_external_df(
self, self,

1
freqtrade/enums/rpcmessagetype.py
View File

@ -21,6 +21,7 @@ class RPCMessageType(str, Enum):
WHITELIST = 'whitelist' WHITELIST = 'whitelist'
ANALYZED_DF = 'analyzed_df' ANALYZED_DF = 'analyzed_df'
NEW_CANDLE = 'new_candle'
def __repr__(self): def __repr__(self):
return self.value return self.value

1
freqtrade/rpc/webhook.py
View File

@ -68,6 +68,7 @@ class Webhook(RPCHandler):
RPCMessageType.PROTECTION_TRIGGER_GLOBAL, RPCMessageType.PROTECTION_TRIGGER_GLOBAL,
RPCMessageType.WHITELIST, RPCMessageType.WHITELIST,
RPCMessageType.ANALYZED_DF, RPCMessageType.ANALYZED_DF,
RPCMessageType.NEW_CANDLE,
RPCMessageType.STRATEGY_MSG): RPCMessageType.STRATEGY_MSG):
# Don't fail for non-implemented types # Don't fail for non-implemented types
return None return None

6
freqtrade/strategy/interface.py
View File

@ -739,10 +739,10 @@ class IStrategy(ABC, HyperStrategyMixin):
""" """
pair = str(metadata.get('pair')) pair = str(metadata.get('pair'))
new_candle = self._last_candle_seen_per_pair.get(pair, None) != dataframe.iloc[-1]['date']
# Test if seen this pair and last candle before. # Test if seen this pair and last candle before.
# always run if process_only_new_candles is set to false # always run if process_only_new_candles is set to false
if (not self.process_only_new_candles or if not self.process_only_new_candles or new_candle:
self._last_candle_seen_per_pair.get(pair, None) != dataframe.iloc[-1]['date']):
# Defs that only make change on new candle data. # Defs that only make change on new candle data.
dataframe = self.analyze_ticker(dataframe, metadata) dataframe = self.analyze_ticker(dataframe, metadata)
@ -751,7 +751,7 @@ class IStrategy(ABC, HyperStrategyMixin):
candle_type = self.config.get('candle_type_def', CandleType.SPOT) candle_type = self.config.get('candle_type_def', CandleType.SPOT)
self.dp._set_cached_df(pair, self.timeframe, dataframe, candle_type=candle_type) self.dp._set_cached_df(pair, self.timeframe, dataframe, candle_type=candle_type)
self.dp._emit_df((pair, self.timeframe, candle_type), dataframe) self.dp._emit_df((pair, self.timeframe, candle_type), dataframe, new_candle)
else: else:
logger.debug("Skipping TA Analysis for already analyzed candle") logger.debug("Skipping TA Analysis for already analyzed candle")