[STRATEGY][RS]DemaRSI V0

//@version=2
strategy(title='[STRATEGY][RS]DemaRSI V0', shorttitle='D', overlay=false, initial_capital=100000, currency=currency.USD)
src = input(close)
ma_length = input(21)
rsi_length = input(4)
rsi_smooth = input(4)

ma = ema(ema(src, ma_length), ma_length)
marsi = rsi(ma, rsi_length)
smooth = ema(marsi, rsi_smooth)
plot(title='M', series=marsi, color=black)
plot(title='S', series=smooth, color=red)
hline(0)
hline(50)
hline(100)

max_order_per_day = input(6)
strategy.risk.max_intraday_filled_orders(max_order_per_day)
trade_size_as_equity_factor = input(false)
trade_size = input(type=float, defval=10000.00) * (trade_size_as_equity_factor ? strategy.equity : 1)
take_profit_in_points = input(100000)
stop_loss_in_points = input(100000)
trail_in_points = input(150)

USE_SESSION = input(true)
trade_session = input(title='Trade Session:', type=string, defval='0400-1500', confirm=false)
istradingsession = not USE_SESSION ? true : not na(time('1', trade_session))

buy_entry = istradingsession and crossover(marsi, smooth)
sel_entry = istradingsession and crossunder(marsi, smooth)

strategy.entry('buy', long=true, qty=trade_size, when=buy_entry)
strategy.entry('sel', long=false, qty=trade_size, when=sel_entry)

strategy.exit('buy.Exit', from_entry='buy', profit=take_profit_in_points, loss=stop_loss_in_points, trail_points=trail_in_points, trail_offset=trail_in_points)
strategy.exit('sel.Exit', from_entry='sel', profit=take_profit_in_points, loss=stop_loss_in_points, trail_points=trail_in_points, trail_offset=trail_in_points)
strategy.close_all(when=not istradingsession)