Apollo11

from datetime import datetime
from datetime import timedelta
from functools import reduce

import freqtrade.vendor.qtpylib.indicators as qtpylib
import talib.abstract as ta
from freqtrade.persistence import Trade
from freqtrade.strategy import IStrategy
from pandas import DataFrame


def to_minutes(**timdelta_kwargs):
    return int(timedelta(**timdelta_kwargs).total_seconds() / 60)


class Apollo11(IStrategy):
    timeframe = "15m"

    # Stoploss
    stoploss = -0.15
    startup_candle_count: int = 480
    trailing_stop = False
    use_custom_stoploss = True
    use_sell_signal = False

    # ROI table:
    minimal_roi = {
        "0": 0.10347601757573865,
        "3": 0.050495605759981035,
        "5": 0.03350898081823659,
        "61": 0.0275218557571848,
        "292": 0.005185372158403069,
        "399": 0,

    }

    # Indicator values:

    # Signal 1
    s1_ema_xs = 3
    s1_ema_sm = 5
    s1_ema_md = 10
    s1_ema_xl = 50
    s1_ema_xxl = 240

    # Signal 2
    s2_ema_input = 50
    s2_ema_offset_input = -1

    s2_bb_sma_length = 49
    s2_bb_std_dev_length = 64
    s2_bb_lower_offset = 3

    s2_fib_sma_len = 50
    s2_fib_atr_len = 14

    s2_fib_lower_value = 4.236

    @property
    def protections(self):
        return [
            {
                # Don't enter a trade right after selling a trade.
                "method": "CooldownPeriod",
                "stop_duration": to_minutes(minutes=0),
            },
            {
                # Stop trading if max-drawdown is reached.
                "method": "MaxDrawdown",
                "lookback_period": to_minutes(hours=12),
                "trade_limit": 20,  # Considering all pairs that have a minimum of 20 trades
                "stop_duration": to_minutes(hours=1),
                "max_allowed_drawdown": 0.2,  # If max-drawdown is > 20% this will activate
            },
            {
                # Stop trading if a certain amount of stoploss occurred within a certain time window.
                "method": "StoplossGuard",
                "lookback_period": to_minutes(hours=6),
                "trade_limit": 4,  # Considering all pairs that have a minimum of 4 trades
                "stop_duration": to_minutes(minutes=30),
                "only_per_pair": False,  # Looks at all pairs
            },
            {
                # Lock pairs with low profits
                "method": "LowProfitPairs",
                "lookback_period": to_minutes(hours=1, minutes=30),
                "trade_limit": 2,  # Considering all pairs that have a minimum of 2 trades
                "stop_duration": to_minutes(hours=15),
                "required_profit": 0.02,  # If profit < 2% this will activate for a pair
            },
            {
                # Lock pairs with low profits
                "method": "LowProfitPairs",
                "lookback_period": to_minutes(hours=6),
                "trade_limit": 4,  # Considering all pairs that have a minimum of 4 trades
                "stop_duration": to_minutes(minutes=30),
                "required_profit": 0.01,  # If profit < 1% this will activate for a pair
            },
        ]

    def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:

        # Adding EMA's into the dataframe
        dataframe["s1_ema_xs"] = ta.EMA(dataframe, timeperiod=self.s1_ema_xs)
        dataframe["s1_ema_sm"] = ta.EMA(dataframe, timeperiod=self.s1_ema_sm)
        dataframe["s1_ema_md"] = ta.EMA(dataframe, timeperiod=self.s1_ema_md)
        dataframe["s1_ema_xl"] = ta.EMA(dataframe, timeperiod=self.s1_ema_xl)
        dataframe["s1_ema_xxl"] = ta.EMA(dataframe, timeperiod=self.s1_ema_xxl)

        s2_ema_value = ta.EMA(dataframe, timeperiod=self.s2_ema_input)
        s2_ema_xxl_value = ta.EMA(dataframe, timeperiod=200)
        dataframe["s2_ema"] = s2_ema_value - s2_ema_value * self.s2_ema_offset_input
        dataframe["s2_ema_xxl_off"] = s2_ema_xxl_value - s2_ema_xxl_value * self.s2_fib_lower_value
        dataframe["s2_ema_xxl"] = ta.EMA(dataframe, timeperiod=200)

        s2_bb_sma_value = ta.SMA(dataframe, timeperiod=self.s2_bb_sma_length)
        s2_bb_std_dev_value = ta.STDDEV(dataframe, self.s2_bb_std_dev_length)
        dataframe["s2_bb_std_dev_value"] = s2_bb_std_dev_value
        dataframe["s2_bb_lower_band"] = s2_bb_sma_value - (s2_bb_std_dev_value * self.s2_bb_lower_offset)

        s2_fib_atr_value = ta.ATR(dataframe, timeframe=self.s2_fib_atr_len)
        s2_fib_sma_value = ta.SMA(dataframe, timeperiod=self.s2_fib_sma_len)

        dataframe["s2_fib_lower_band"] = s2_fib_sma_value - s2_fib_atr_value * self.s2_fib_lower_value

        s3_bollinger = qtpylib.bollinger_bands(qtpylib.typical_price(dataframe), window=20, stds=3)
        dataframe["s3_bb_lowerband"] = s3_bollinger["lower"]

        # Volume weighted MACD
        dataframe["fastMA"] = ta.EMA(dataframe["volume"] * dataframe["close"], 12) / ta.EMA(dataframe["volume"], 12)
        dataframe["slowMA"] = ta.EMA(dataframe["volume"] * dataframe["close"], 26) / ta.EMA(dataframe["volume"], 26)
        dataframe["vwmacd"] = dataframe["fastMA"] - dataframe["slowMA"]
        dataframe["signal"] = ta.EMA(dataframe["vwmacd"], 9)
        dataframe["hist"] = dataframe["vwmacd"] - dataframe["signal"]

        return dataframe

    def populate_buy_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:

        dataframe.loc[
        (  
                (dataframe["vwmacd"] < dataframe["signal"]) &
                (dataframe["low"] < dataframe["s1_ema_xxl"]) &
                (dataframe["close"] > dataframe["s1_ema_xxl"]) &
                (qtpylib.crossed_above(dataframe["s1_ema_sm"], dataframe["s1_ema_md"])) &
                (dataframe["s1_ema_xs"] < dataframe["s1_ema_xl"]) &
                (dataframe["volume"] > 0)
        ),
        ['buy', 'buy_tag']] = (1, 'Apollo11_1')
        
        dataframe.loc[
        (  
                (dataframe["close"] < dataframe["s2_ema"]) &
                (qtpylib.crossed_above(dataframe["s2_fib_lower_band"], dataframe["s2_bb_lower_band"])) &
                (dataframe["volume"] > 0)
        ),
        ['buy', 'buy_tag']] = (1, 'Apollo11_2')
        
        dataframe.loc[
        (  
                (dataframe["low"] < dataframe["s3_bb_lowerband"]) &
                (dataframe["low"] > dataframe["s1_ema_xxl"]) &
                (dataframe["volume"] > 0)
        ),
        ['buy', 'buy_tag']] = (1, 'Apollo11_3')
        
        return dataframe

    def populate_sell_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
        # This is essentailly ignored as we're using strict ROI / Stoploss / TTP sale scenarios
        dataframe.loc[(), "sell"] = 0
        return dataframe

    def custom_stoploss(
        self, pair: str, trade: Trade, current_time: datetime, current_rate: float, current_profit: float, **kwargs
    ) -> float:

        if (current_profit > 0.3):
            return 0.05
        elif (current_profit > 0.1):
            return 0.03
        elif (current_profit > 0.06):
            return 0.02
        elif (current_profit > 0.04):
            return 0.01
        elif (current_profit > 0.025):
            return 0.005
        elif (current_profit > 0.018):
            return 0.005

        return 0.15

        # Let's try to minimize the loss
        if current_profit <= -0.10:
            if trade.open_date_utc + timedelta(hours=60) < current_time:
                # After 60H since buy
                return current_profit / 1.75

        if current_profit <= -0.08:
            if trade.open_date_utc + timedelta(hours=120) < current_time:
                # After 120H since buy
                return current_profit / 1.70

        return -1

class UziChanTB2(Apollo11):

    process_only_new_candles = True

    custom_info_trail_buy = dict()
    custom_info_trail_sell = dict()    

    # Trailing buy parameters
    trailing_buy_order_enabled = True
    trailing_sell_order_enabled = True    
    #trailing_expire_seconds = 1800      #NOTE 5m timeframe
    #trailing_expire_seconds = 1800/5    #NOTE 1m timeframe
    trailing_expire_seconds = 1800*3    #NOTE 15m timeframe

    # If the current candle goes above min_uptrend_trailing_profit % before trailing_expire_seconds_uptrend seconds, buy the coin
    trailing_buy_uptrend_enabled = True
    trailing_sell_uptrend_enabled = True    
    trailing_expire_seconds_uptrend = 90
    min_uptrend_trailing_profit = 0.02

    debug_mode = True
    trailing_buy_max_stop = 0.02  # stop trailing buy if current_price > starting_price * (1+trailing_buy_max_stop)
    trailing_buy_max_buy = 0.000  # buy if price between uplimit (=min of serie (current_price * (1 + trailing_buy_offset())) and (start_price * 1+trailing_buy_max_buy))

    trailing_sell_max_stop = 0.02   # stop trailing sell if current_price < starting_price * (1+trailing_buy_max_stop)
    trailing_sell_max_sell = 0.000  # sell if price between downlimit (=max of serie (current_price * (1 + trailing_sell_offset())) and (start_price * 1+trailing_sell_max_sell))

    abort_trailing_when_sell_signal_triggered = False


    init_trailing_buy_dict = {
        'trailing_buy_order_started': False,
        'trailing_buy_order_uplimit': 0,  
        'start_trailing_price': 0,
        'buy_tag': None,
        'start_trailing_time': None,
        'offset': 0,
        'allow_trailing': False,
    }

    init_trailing_sell_dict = {
        'trailing_sell_order_started': False,
        'trailing_sell_order_downlimit': 0,        
        'start_trailing_sell_price': 0,
        'sell_tag': None,
        'start_trailing_time': None,
        'offset': 0,
        'allow_sell_trailing': False,
    }    

    def trailing_buy(self, pair, reinit=False):
        # returns trailing buy info for pair (init if necessary)
        if not pair in self.custom_info_trail_buy:
            self.custom_info_trail_buy[pair] = dict()
        if (reinit or not 'trailing_buy' in self.custom_info_trail_buy[pair]):
            self.custom_info_trail_buy[pair]['trailing_buy'] = self.init_trailing_buy_dict.copy()
        return self.custom_info_trail_buy[pair]['trailing_buy']

    def trailing_sell(self, pair, reinit=False):
        # returns trailing sell info for pair (init if necessary)
        if not pair in self.custom_info_trail_sell:
            self.custom_info_trail_sell[pair] = dict()
        if (reinit or not 'trailing_sell' in self.custom_info_trail_sell[pair]):
            self.custom_info_trail_sell[pair]['trailing_sell'] = self.init_trailing_sell_dict.copy()
        return self.custom_info_trail_sell[pair]['trailing_sell']


    def trailing_buy_info(self, pair: str, current_price: float):
        # current_time live, dry run
        current_time = datetime.now(timezone.utc)
        if not self.debug_mode:
            return
        trailing_buy = self.trailing_buy(pair)

        duration = 0
        try:
            duration = (current_time - trailing_buy['start_trailing_time'])
        except TypeError:
            duration = 0
        finally:
            logger.info(
                f"pair: {pair} : "
                f"start: {trailing_buy['start_trailing_price']:.4f}, "
                f"duration: {duration}, "
                f"current: {current_price:.4f}, "
                f"uplimit: {trailing_buy['trailing_buy_order_uplimit']:.4f}, "
                f"profit: {self.current_trailing_buy_profit_ratio(pair, current_price)*100:.2f}%, "
                f"offset: {trailing_buy['offset']}")



    def trailing_sell_info(self, pair: str, current_price: float):
        # current_time live, dry run
        current_time = datetime.now(timezone.utc)
        if not self.debug_mode:
            return
        trailing_sell = self.trailing_sell(pair)

        duration = 0
        try:
            duration = (current_time - trailing_sell['start_trailing_time'])
        except TypeError:
            duration = 0
        finally:
            logger.info("'\033[36m'SELL: "
                f"pair: {pair} : "
                f"start: {trailing_sell['start_trailing_sell_price']:.4f}, "
                f"duration: {duration}, "
                f"current: {current_price:.4f}, "
                f"downlimit: {trailing_sell['trailing_sell_order_downlimit']:.4f}, "
                f"profit: {self.current_trailing_sell_profit_ratio(pair, current_price)*100:.2f}%, "
                f"offset: {trailing_sell['offset']}")

    def current_trailing_buy_profit_ratio(self, pair: str, current_price: float) -> float:
        trailing_buy = self.trailing_buy(pair)
        if trailing_buy['trailing_buy_order_started']:
            return (trailing_buy['start_trailing_price'] - current_price) / trailing_buy['start_trailing_price']
        else:
            return 0

    def current_trailing_sell_profit_ratio(self, pair: str, current_price: float) -> float:
        trailing_sell = self.trailing_sell(pair)
        if trailing_sell['trailing_sell_order_started']:
            return (current_price - trailing_sell['start_trailing_sell_price'])/ trailing_sell['start_trailing_sell_price']
            #return 0-((trailing_sell['start_trailing_sell_price'] - current_price) / trailing_sell['start_trailing_sell_price'])
        else:
            return 0


    def trailing_buy_offset(self, dataframe, pair: str, current_price: float):
        # return rebound limit before a buy in % of initial price, function of current price
        # return None to stop trailing buy (will start again at next buy signal)
        # return 'forcebuy' to force immediate buy
        # (example with 0.5%. initial price : 100 (uplimit is 100.5), 2nd price : 99 (no buy, uplimit updated to 99.5), 3price 98 (no buy uplimit updated to 98.5), 4th price 99 -> BUY
        current_trailing_profit_ratio = self.current_trailing_buy_profit_ratio(pair, current_price)
        last_candle = dataframe.iloc[-1]
        adapt  = (last_candle['perc_norm']).round(5)
        default_offset = 0.0045 * (1 + adapt)        #NOTE: default_offset 0.0045 <--> 0.009
        

        trailing_buy = self.trailing_buy(pair)
        if not trailing_buy['trailing_buy_order_started']:
            return default_offset

        # example with duration and indicators
        # dry run, live only
        last_candle = dataframe.iloc[-1]
        current_time = datetime.now(timezone.utc)
        trailing_duration = current_time - trailing_buy['start_trailing_time']
        if trailing_duration.total_seconds() > self.trailing_expire_seconds:
            if ((current_trailing_profit_ratio > 0) and (last_candle['buy'] == 1)):
                # more than 1h, price under first signal, buy signal still active -> buy
                return 'forcebuy'
            else:
                # wait for next signal
                return None
        elif (self.trailing_buy_uptrend_enabled and (trailing_duration.total_seconds() < self.trailing_expire_seconds_uptrend) and (current_trailing_profit_ratio < (-1 * self.min_uptrend_trailing_profit))):
            # less than 90s and price is rising, buy
            return 'forcebuy'

        if current_trailing_profit_ratio < 0:
            # current price is higher than initial price
            return default_offset

        trailing_buy_offset = {
            0.06: 0.02,
            0.03: 0.01,
            0: default_offset,
        }

        for key in trailing_buy_offset:
            if current_trailing_profit_ratio > key:
                return trailing_buy_offset[key]

        return default_offset

    def trailing_sell_offset(self, dataframe, pair: str, current_price: float):
        # return rebound limit before a buy in % of initial price, function of current price
        # return None to stop trailing buy (will start again at next buy signal)
        # return 'forcebuy' to force immediate buy
        # (example with 0.5%. initial price : 100 (uplimit is 100.5), 2nd price : 99 (no buy, uplimit updated to 99.5), 3price 98 (no buy uplimit updated to 98.5), 4th price 99 -> BUY
        current_trailing_sell_profit_ratio = self.current_trailing_sell_profit_ratio(pair, current_price)
        last_candle = dataframe.iloc[-1]
        adapt  = (last_candle['perc_norm']).round(5)
        default_offset = 0.003 * (1 + adapt)        #NOTE: default_offset 0.003 <--> 0.006
        
        trailing_sell  = self.trailing_sell(pair)
        if not trailing_sell['trailing_sell_order_started']:
            return default_offset

        # example with duration and indicators
        # dry run, live only
        last_candle = dataframe.iloc[-1]
        current_time = datetime.now(timezone.utc)
        trailing_duration =  current_time - trailing_sell['start_trailing_time']
        if trailing_duration.total_seconds() > self.trailing_expire_seconds:
            if ((current_trailing_sell_profit_ratio > 0) and (last_candle['sell'] != 0)):
                # more than 1h, price over first signal, sell signal still active -> sell
                return 'forcesell'
            else:
                # wait for next signal
                return None
        elif (self.trailing_sell_uptrend_enabled and (trailing_duration.total_seconds() < self.trailing_expire_seconds_uptrend) and (current_trailing_sell_profit_ratio < (-1 * self.min_uptrend_trailing_profit))):
            # less than 90s and price is falling, sell 
            return 'forcesell'

        if current_trailing_sell_profit_ratio > 0:
            # current price is lower than initial price
            return default_offset

        trailing_sell_offset = {
            # 0.06: 0.02,
            # 0.03: 0.01,
            0.1: default_offset,
        }

        for key in trailing_sell_offset:
            if current_trailing_sell_profit_ratio < key:
                return trailing_sell_offset[key]

        return default_offset

    # end of trailing sell parameters
    # -----------------------------------------------------

    def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
        dataframe = super().populate_indicators(dataframe, metadata)
        self.trailing_buy(metadata['pair'])   
        self.trailing_sell(metadata['pair'])
        return dataframe

    def confirm_trade_entry(self, pair: str, order_type: str, amount: float, rate: float, time_in_force: str, **kwargs) -> bool:
            val = super().confirm_trade_entry(pair, order_type, amount, rate, time_in_force, **kwargs)
            
            if val:
                if self.trailing_buy_order_enabled and self.config['runmode'].value in ('live', 'dry_run'):
                    val = False
                    dataframe, _ = self.dp.get_analyzed_dataframe(pair, self.timeframe)
                    if(len(dataframe) >= 1):
                        last_candle = dataframe.iloc[-1].squeeze()
                        current_price = rate
                        trailing_buy = self.trailing_buy(pair)
                        trailing_buy_offset = self.trailing_buy_offset(dataframe, pair, current_price)

                        if trailing_buy['allow_trailing']:
                            if (not trailing_buy['trailing_buy_order_started'] and (last_candle['buy'] == 1)):
                                # start trailing buy
                                
                                trailing_buy['trailing_buy_order_started'] = True
                                trailing_buy['trailing_buy_order_uplimit'] = last_candle['close']
                                trailing_buy['start_trailing_price'] = last_candle['close']
                                trailing_buy['buy_tag'] = last_candle['buy_tag']
                                trailing_buy['start_trailing_time'] = datetime.now(timezone.utc)
                                trailing_buy['offset'] = 0
                                
                                self.trailing_buy_info(pair, current_price)
                                logger.info(f'start trailing buy for {pair} at {last_candle["close"]}')

                            elif trailing_buy['trailing_buy_order_started']:
                                if trailing_buy_offset == 'forcebuy':
                                    # buy in custom conditions
                                    val = True
                                    ratio = "%.2f" % ((self.current_trailing_buy_profit_ratio(pair, current_price)) * 100)
                                    self.trailing_buy_info(pair, current_price)
                                    logger.info(f"price OK for {pair} ({ratio} %, {current_price}), order may not be triggered if all slots are full")

                                elif trailing_buy_offset is None:
                                    # stop trailing buy custom conditions
                                    self.trailing_buy(pair, reinit=True)
                                    logger.info(f'STOP trailing buy for {pair} because "trailing buy offset" returned None')

                                elif current_price < trailing_buy['trailing_buy_order_uplimit']:
                                    # update uplimit
                                    old_uplimit = trailing_buy["trailing_buy_order_uplimit"]
                                    self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_uplimit'] = min(current_price * (1 + trailing_buy_offset), self.custom_info_trail_buy[pair]['trailing_buy']['trailing_buy_order_uplimit'])
                                    self.custom_info_trail_buy[pair]['trailing_buy']['offset'] = trailing_buy_offset
                                    self.trailing_buy_info(pair, current_price)
                                    logger.info(f'update trailing buy for {pair} at {old_uplimit} -> {self.custom_info_trail_buy[pair]["trailing_buy"]["trailing_buy_order_uplimit"]}')
                                elif current_price < (trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_buy)):
                                    # buy ! current price > uplimit && lower thant starting price
                                    val = True
                                    ratio = "%.2f" % ((self.current_trailing_buy_profit_ratio(pair, current_price)) * 100)
                                    self.trailing_buy_info(pair, current_price)
                                    logger.info(f"current price ({current_price}) > uplimit ({trailing_buy['trailing_buy_order_uplimit']}) and lower than starting price price ({(trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_buy))}). OK for {pair} ({ratio} %), order may not be triggered if all slots are full")

                                elif current_price > (trailing_buy['start_trailing_price'] * (1 + self.trailing_buy_max_stop)):
                                    # stop trailing buy because price is too high
                                    self.trailing_buy(pair, reinit=True)
                                    self.trailing_buy_info(pair, current_price)
                                    logger.info(f'STOP trailing buy for {pair} because of the price is higher than starting price * {1 + self.trailing_buy_max_stop}')
                                else:
                                    # uplimit > current_price > max_price, continue trailing and wait for the price to go down
                                    self.trailing_buy_info(pair, current_price)
                                    logger.info(f'price too high for {pair} !')

                        else:
                            logger.info(f"Wait for next buy signal for {pair}")

                    if (val == True):
                        self.trailing_buy_info(pair, rate)
                        self.trailing_buy(pair, reinit=True)
                        logger.info(f'STOP trailing buy for {pair} because I buy it')
            
            return val


    def confirm_trade_exit(self, pair: str, trade: Trade, order_type: str, amount: float,
                           rate: float, time_in_force: str, sell_reason: str, **kwargs) -> bool:
        val = super().confirm_trade_exit(pair, trade, order_type, amount, rate, time_in_force, sell_reason, **kwargs)        

        if val:
            if self.trailing_sell_order_enabled and self.config['runmode'].value in ('live', 'dry_run'):
                val = False
                dataframe, _ = self.dp.get_analyzed_dataframe(pair, self.timeframe)
                if(len(dataframe) >= 1):
                    last_candle = dataframe.iloc[-1].squeeze()
                    current_price = rate
                    trailing_sell= self.trailing_sell(pair)
                    trailing_sell_offset = self.trailing_sell_offset(dataframe, pair, current_price)

                    if trailing_sell['allow_sell_trailing']:
                        if (not trailing_sell['trailing_sell_order_started'] and (last_candle['sell'] != 0)):
                            trailing_sell['trailing_sell_order_started'] = True
                            trailing_sell['trailing_sell_order_downlimit'] = last_candle['close']
                            trailing_sell['start_trailing_sell_price'] = last_candle['close']
                            trailing_sell['sell_tag'] = last_candle['sell_tag']
                            trailing_sell['start_trailing_time'] = datetime.now(timezone.utc)
                            trailing_sell['offset'] = 0
                            
                            self.trailing_sell_info(pair, current_price)
                            logger.info(f'start trailing sell for {pair} at {last_candle["close"]}')

                        elif trailing_sell['trailing_sell_order_started']:
                            if trailing_sell_offset == 'forcesell':
                                # sell in custom conditions
                                val = True
                                ratio = "%.2f" % ((self.current_trailing_sell_profit_ratio(pair, current_price)) * 100)
                                self.trailing_sell_info(pair, current_price)
                                logger.info(f"FORCESELL for {pair} ({ratio} %, {current_price})")

                            elif trailing_sell_offset is None:
                                # stop trailing sell custom conditions
                                self.trailing_sell(pair, reinit=True)
                                logger.info(f'STOP trailing sell for {pair} because "trailing sell offset" returned None')

                            elif current_price > trailing_sell['trailing_sell_order_downlimit']:
                                # update downlimit
                                old_downlimit = trailing_sell["trailing_sell_order_downlimit"]
                                self.custom_info_trail_sell[pair]['trailing_sell']['trailing_sell_order_downlimit'] = max(current_price * (1 - trailing_sell_offset), self.custom_info_trail_sell[pair]['trailing_sell']['trailing_sell_order_downlimit'])
                                self.custom_info_trail_sell[pair]['trailing_sell']['offset'] = trailing_sell_offset
                                self.trailing_sell_info(pair, current_price)
                                logger.info(f'update trailing sell for {pair} at {old_downlimit} -> {self.custom_info_trail_sell[pair]["trailing_sell"]["trailing_sell_order_downlimit"]}')

                            elif current_price > (trailing_sell['start_trailing_sell_price'] * (1 - self.trailing_sell_max_sell)):
                                # sell! current price < downlimit && higher than starting price
                                val = True
                                ratio = "%.2f" % ((self.current_trailing_sell_profit_ratio(pair, current_price)) * 100)
                                self.trailing_sell_info(pair, current_price)
                                logger.info(f"current price ({current_price}) < downlimit ({trailing_sell['trailing_sell_order_downlimit']}) but higher than starting price ({(trailing_sell['start_trailing_sell_price'] * (1 + self.trailing_sell_max_sell))}). OK for {pair} ({ratio} %)")

                            elif current_price < (trailing_sell['start_trailing_sell_price'] * (1 - self.trailing_sell_max_stop)):
                                # stop trailing, sell fast, price too low
                                val = True                                
                                self.trailing_sell_info(pair, current_price)
                                logger.info(f'STOP trailing sell for {pair} because of the price is much lower than starting price * {1 + self.trailing_sell_max_stop}')
                            else:
                                # uplimit > current_price > max_price, continue trailing and wait for the price to go down
                                self.trailing_sell_info(pair, current_price)
                                logger.info(f'price too low for {pair} !')

                    else:
                        logger.info(f"Wait for next sell signal for {pair}")

                if (val == True):
                    self.trailing_sell_info(pair, rate)
                    self.trailing_sell(pair, reinit=True)
                    logger.info(f'STOP trailing sell for {pair} because I SOLD it')

        #if (sell_reason != 'sell_signal') | (sell_reason!='force_sell'):
        if (sell_reason != 'sell_signal'):
            val = True

        return val


    def populate_buy_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
        dataframe = super().populate_buy_trend(dataframe, metadata)

        if self.trailing_buy_order_enabled and self.config['runmode'].value in ('live', 'dry_run'): 
            last_candle = dataframe.iloc[-1].squeeze()
            trailing_buy = self.trailing_buy(metadata['pair'])
            if (last_candle['buy'] == 1):
                if not trailing_buy['trailing_buy_order_started']:
                    open_trades = Trade.get_trades([Trade.pair == metadata['pair'], Trade.is_open.is_(True), ]).all()
                    if not open_trades:
                        logger.info(f"Set 'allow_trailing' to True for {metadata['pair']} to start trailing!!!")
                        # self.custom_info_trail_buy[metadata['pair']]['trailing_buy']['allow_trailing'] = True
                        trailing_buy['allow_trailing'] = True
                        initial_buy_tag = last_candle['buy_tag'] if 'buy_tag' in last_candle else 'buy signal'
                        dataframe.loc[:, 'buy_tag'] = f"{initial_buy_tag} (start trail price {last_candle['close']})"                        
            else:
                if (trailing_buy['trailing_buy_order_started'] == True):
                    logger.info(f"Continue trailing for {metadata['pair']}. Manually trigger buy signal!!")
                    dataframe.loc[:,'buy'] = 1
                    dataframe.loc[:, 'buy_tag'] = trailing_buy['buy_tag']

        return dataframe


    def populate_sell_trend(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
        dataframe = super().populate_sell_trend(dataframe, metadata)

        if self.trailing_buy_order_enabled and self.abort_trailing_when_sell_signal_triggered and self.config['runmode'].value in ('live', 'dry_run'):
            last_candle = dataframe.iloc[-1].squeeze()
            if (last_candle['sell'] != 0):
                trailing_buy = self.trailing_buy(metadata['pair'])
                if trailing_buy['trailing_buy_order_started']:
                    logger.info(f"Sell signal for {metadata['pair']} is triggered!!! Abort trailing")
                    self.trailing_buy(metadata['pair'], reinit=True)        

        if self.trailing_sell_order_enabled and self.config['runmode'].value in ('live', 'dry_run'): 
            last_candle = dataframe.iloc[-1].squeeze()
            trailing_sell = self.trailing_sell(metadata['pair'])
            if (last_candle['sell'] != 0):
                if not trailing_sell['trailing_sell_order_started']:
                    open_trades = Trade.get_trades([Trade.pair == metadata['pair'], Trade.is_open.is_(True), ]).all()
                    #if not open_trades: 
                    if open_trades:
                        logger.info(f"Set 'allow_SELL_trailing' to True for {metadata['pair']} to start *SELL* trailing")
                        # self.custom_info_trail_buy[metadata['pair']]['trailing_buy']['allow_trailing'] = True
                        trailing_sell['allow_sell_trailing'] = True
                        initial_sell_tag = last_candle['sell_tag'] if 'sell_tag' in last_candle else 'sell signal'
                        dataframe.loc[:, 'sell_tag'] = f"{initial_sell_tag} (start trail price {last_candle['close']})"
            else:
                if (trailing_sell['trailing_sell_order_started'] == True):
                    logger.info(f"Continue trailing for {metadata['pair']}. Manually trigger sell signal!")
                    dataframe.loc[:,'sell'] = 1
                    dataframe.loc[:, 'sell_tag'] = trailing_sell['sell_tag']

        return dataframe