Greeffer's Donchian Channel Study

// Greeffer's Donchian Channel Study
// @version=4
//@Greeffer
// S T U D Y
study(shorttitle="Greeffer's Study", title="Greeffer's Donchian Channel Study", overlay=true)

// S T R A T E G Y 
//strategy(
//     "Greeffer's Donchian Channel Strategy", 
//     "Greeffer's Strategy",
//     overlay=true, 
//     pyramiding=10,
//     default_qty_type=strategy.percent_of_equity,
//     default_qty_value=150,
//     initial_capital=5000,
//     commission_type=strategy.commission.percent,
//     commission_value=0.1,
//     margin_long=1./30*50, 
//     margin_short=1./30*50
//     )

// I N P U T S
symbol = "BTCUSDT" //symbol = "ETHUSDT"
sma = input(title="sma", type=input.integer, defval=250)
amount = input(title="amount", type=input.float, defval=0.001, step=0.01)
volumeMA = input(title="volume ma period", type=input.integer, defval=200)
volMultiplyer = input(title="volume multiplyer", type=input.integer, defval=3)
donchianupper = input(title="upper donchian channel period", type=input.integer, defval=1440)
donchianlower = input(title="lower donchian channel period", type=input.integer, defval=1440)
takeprofit = input(title="take profit", type=input.float, defval=1000.00, step=0.01)
stops = input(title="stops", type=input.float, defval=500.00, step=0.01)

// V A R S
short = false
long = false
stopshort = close + stops
stoplong = close - stops

//----------------------?
//symbol = syminfo.ticker

// D O N C H I A N   C H A N N E L S
lower = lowest(donchianlower)
upper = highest(donchianupper)
middle= (upper-lower)/2+lower
plot(middle, title='Middle', color=color.green, linewidth=1)
plot(upper, title='Upper', color=color.orange, linewidth=1)
plot(lower, title='Lower', color=color.orange, linewidth=1)

// S M A
plot(sma(close,sma))

// V O L U M E
volMA = sma(volume, 200)
//upperVol = highest(volume, 200)
upperVol = volMA*volMultiplyer

// E N T R Y / E X I T   C o n d i t i o n s 
// S h o r t
if high>=upper and volume>upperVol
    short:=true
else 
    short:=false

// L o n g :
if low<=lower and volume>upperVol
    long:=true
else
    long:=false

// O R D E R S :
if short==true
    alert(message='{"side":"limitSell","limit":"'+tostring(high)+'","stopPrice":"'+tostring(stopshort)+'","takeProfit":"'+tostring(high-takeprofit)+'","symbol":"'+symbol+'","close":"'+tostring(close)+'","amount":"'+tostring(amount)+'"}', freq=alert.freq_once_per_bar_close)
    // must have hedge mode enabled:
    //alert(message='{"side":"shortHedge","stopPrice":"'+tostring(stopshort)+'","takeProfit":"'+tostring(high-takeprofit)+'","symbol":"'+symbol+'","close":"'+tostring(close)+'","amount":"'+tostring(amount)+'"}', freq=alert.freq_once_per_bar_close)

if long==true
    alert(message='{"side":"limitBuy","limit":"'+tostring(low)+'","stopPrice":"'+tostring(stoplong)+'","takeProfit":"'+tostring(low+takeprofit)+'","symbol":"'+symbol+'","close":"'+tostring(close)+'","amount":"'+tostring(amount)+'"}', freq=alert.freq_once_per_bar_close)
    // must have hedge mode enabled:
    //alert(message='{"side":"longHedge","stopPrice":"'+tostring(stoplong)+'","takeProfit":"'+tostring(low+takeprofit)+'","symbol":"'+symbol+'","close":"'+tostring(close)+'","amount":"'+tostring(amount)+'"}', freq=alert.freq_once_per_bar_close)