feat: support candle_type parameter via API download

Author: xmatthias

freqtrade/rpc/api_server/api_download_data.py

@@ -63,6 +63,8 @@ def pairlists_evaluate(
     config_loc["timeframes"] = payload.timeframes
     config_loc["erase"] = payload.erase
     config_loc["download_trades"] = payload.download_trades
+    if payload.candle_types is not None:
+        config_loc["candle_types"] = payload.candle_types
 
     handleExchangePayload(payload, config_loc)
 

freqtrade/rpc/api_server/api_schemas.py

@@ -506,6 +506,7 @@ class DownloadDataPayload(ExchangeModePayloadMixin, BaseModel):
     timerange: str | None = None
     erase: bool = False
     download_trades: bool = False
+    candle_types: list[str] | None = None
 
     @model_validator(mode="before")
     def check_mutually_exclusive(cls, values):

freqtrade/rpc/api_server/api_v1.py

@@ -91,7 +91,8 @@
 # 2.41: Add download-data endpoint
 # 2.42: Add /pair_history endpoint with live data
 # 2.43: Add /profit_all endpoint
-API_VERSION = 2.43
+# 2.44: Add candle_types parameter to download-data endpoint
+API_VERSION = 2.44
 
 # Public API, requires no auth.
 router_public = APIRouter()