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refactor: extract final ft_has construction to it's own method

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Matthias
2025-07-03 08:18:24 +02:00
parent b98816635d
commit 51a09585db
1 changed files with 18 additions and 7 deletions
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25
freqtrade/exchange/exchange.py
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@@ -227,7 +227,8 @@ class Exchange:
if config["dry_run"]:
logger.info("Instance is running with dry_run enabled")
logger.info(f"Using CCXT {ccxt.__version__}")
exchange_conf: dict[str, Any] = exchange_config if exchange_config else config["exchange"]
exchange_conf: ExchangeConfig = exchange_config if exchange_config else config["exchange"]
remove_exchange_credentials(exchange_conf, config.get("dry_run", False))
self.log_responses = exchange_conf.get("log_responses", False)
@@ -239,12 +240,8 @@ class Exchange:
self.liquidation_buffer = config.get("liquidation_buffer", 0.05)
# Deep merge ft_has with default ft_has options
self._ft_has = deep_merge_dicts(self._ft_has, deepcopy(self._ft_has_default))
if self.trading_mode == TradingMode.FUTURES:
self._ft_has = deep_merge_dicts(self._ft_has_futures, self._ft_has)
if exchange_conf.get("_ft_has_params"):
self._ft_has = deep_merge_dicts(exchange_conf.get("_ft_has_params"), self._ft_has)
logger.info("Overriding exchange._ft_has with config params, result: %s", self._ft_has)
# Must be called before ft_has is used.
self.build_ft_has(exchange_conf)
# Assign this directly for easy access
self._ohlcv_partial_candle = self._ft_has["ohlcv_partial_candle"]
@@ -876,6 +873,20 @@ class Exchange:
f"Freqtrade does not support '{mm_value}' '{trading_mode}' on {self.name}."
)
def build_ft_has(self, exchange_conf: ExchangeConfig) -> None:
"""
Deep merge ft_has with default ft_has options
and with exchange_conf._ft_has_params if available.
This is called on initialization of the exchange object.
It must be called before ft_has is used.
"""
self._ft_has = deep_merge_dicts(self._ft_has, deepcopy(self._ft_has_default))
if self.trading_mode == TradingMode.FUTURES:
self._ft_has = deep_merge_dicts(self._ft_has_futures, self._ft_has)
if exchange_conf.get("_ft_has_params"):
self._ft_has = deep_merge_dicts(exchange_conf.get("_ft_has_params"), self._ft_has)
logger.info("Overriding exchange._ft_has with config params, result: %s", self._ft_has)
def get_option(self, param: str, default: Any | None = None) -> Any:
"""
Get parameter value from _ft_has