stable/freqtrade/templates/subtemplates/strategy_methods_advanced.j2

def check_buy_timeout(self, pair: str, trade: 'Trade', order: dict, **kwargs) -> bool:
    """
    Check buy timeout function callback.
    This method can be used to override the buy-timeout.
    It is called whenever a limit buy order has been created,
    and is not yet fully filled.
    Configuration options in `unfilledtimeout` will be verified before this,
    so ensure to set these timeouts high enough.

    For full documentation please go to https://www.freqtrade.io/en/latest/strategy-advanced/

    When not implemented by a strategy, this simply returns False.
    :param pair: Pair the trade is for
    :param trade: trade object.
    :param order: Order dictionary as returned from CCXT.
    :param **kwargs: Ensure to keep this here so updates to this won't break your strategy.
    :return bool: When True is returned, then the buy-order is cancelled.
    """
    return False

def check_sell_timeout(self, pair: str, trade: 'Trade', order: dict, **kwargs) -> bool:
    """
    Check sell timeout function callback.
    This method can be used to override the sell-timeout.
    It is called whenever a limit sell order has been created,
    and is not yet fully filled.
    Configuration options in `unfilledtimeout` will be verified before this,
    so ensure to set these timeouts high enough.

    For full documentation please go to https://www.freqtrade.io/en/latest/strategy-advanced/

    When not implemented by a strategy, this simply returns False.
    :param pair: Pair the trade is for
    :param trade: trade object.
    :param order: Order dictionary as returned from CCXT.
    :param **kwargs: Ensure to keep this here so updates to this won't break your strategy.
    :return bool: When True is returned, then the sell-order is cancelled.
    """
    return False