chore: move fallback param to config directly

docs/configuration.md

@@ -225,6 +225,7 @@ Mandatory parameters are marked as **Required**, which means that they are requi
 | `exchange.skip_open_order_update` | Skips open order updates on startup should the exchange cause problems. Only relevant in live conditions.<br>*Defaults to `false`*<br> **Datatype:** Boolean
 | `exchange.unknown_fee_rate` | Fallback value to use when calculating trading fees. This can be useful for exchanges which have fees in non-tradable currencies. The value provided here will be multiplied with the "fee cost".<br>*Defaults to `None`<br> **Datatype:** float
 | `exchange.log_responses` | Log relevant exchange responses. For debug mode only - use with care.<br>*Defaults to `false`*<br> **Datatype:** Boolean
+| `exchange.only_from_ccxt` | Prevent data-download from data.binance.vision. Leaving this as false can greatly speed up downloads, but may be problematic if the site is not available.<br>*Defaults to `false`*<br> **Datatype:** Boolean
 | `experimental.block_bad_exchanges` | Block exchanges known to not work with freqtrade. Leave on default unless you want to test if that exchange works now. <br>*Defaults to `true`.* <br> **Datatype:** Boolean
 | | **Plugins**
 | `edge.*` | Please refer to [edge configuration document](edge.md) for detailed explanation of all possible configuration options.

freqtrade/exchange/binance.py

@@ -110,13 +110,11 @@ class Binance(Exchange):
         candle_type: CandleType,
         is_new_pair: bool = False,
         until_ms: int | None = None,
-        only_from_ccxt: bool = False,
     ) -> DataFrame:
         """
         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"
         :param candle_type: Any of the enum CandleType (must match trading mode!)
-        :param only_from_ccxt: Only download data using the API provided by CCXT
         """
         if is_new_pair:
             x = self.loop.run_until_complete(
@@ -136,7 +134,7 @@ class Binance(Exchange):
                     )
                     return DataFrame(columns=DEFAULT_DATAFRAME_COLUMNS)
 
-        if only_from_ccxt:
+        if self._config["exchange"].get("only_from_ccxt", False):
             return super().get_historic_ohlcv(
                 pair=pair,
                 timeframe=timeframe,
@@ -146,6 +144,7 @@ class Binance(Exchange):
                 until_ms=until_ms,
             )
         else:
+            # Download from data.binance.vision
             return self.get_historic_ohlcv_fast(
                 pair=pair,
                 timeframe=timeframe,

freqtrade/exchange/exchange.py

@@ -2230,7 +2230,6 @@ class Exchange:
         candle_type: CandleType,
         is_new_pair: bool = False,
         until_ms: int | None = None,
-        only_from_ccxt: bool = False,
     ) -> DataFrame:
         """
         Get candle history using asyncio and returns the list of candles.
@@ -2242,7 +2241,6 @@ class Exchange:
         :param candle_type: '', mark, index, premiumIndex, or funding_rate
         :param is_new_pair: used by binance subclass to allow "fast" new pair downloading
         :param until_ms: Timestamp in milliseconds to get history up to
-        :param only_from_ccxt: Only download data using the API provided by CCXT
         :return: Dataframe with candle (OHLCV) data
         """
         pair, _, _, data, _ = self.loop.run_until_complete(