-- Id: 9661 -- More information about this indicator can be found at: -- http://fxcodebase.com/ --+------------------------------------------------------------------+ --| Copyright © 2019, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() strategy:name("Volume Signal"); strategy:setTag("NonOptimizableParameters", "Email,SendEmail,SoundFile,RecurrentSound,PlaySound,ShowAlert"); strategy:description(""); strategy.parameters:addGroup("Parameters"); strategy.parameters:addInteger("Level", "Volume Threshold", "Threshold can not be zero", 0, 0, 1000000); strategy.parameters:addString("Type", "Price type", "", "Bid"); strategy.parameters:addStringAlternative("Type", "Bid", "", "Bid"); strategy.parameters:addStringAlternative("Type", "Ask", "", "Ask"); strategy.parameters:addString("TF", "Timeframe", "", "m5"); strategy.parameters:setFlag("TF", core.FLAG_PERIODS); strategy.parameters:addGroup("Signals"); strategy.parameters:addBoolean("ShowAlert", "Show Alert", "", true); strategy.parameters:addBoolean("PlaySound", "Play Sound", "", false); strategy.parameters:addFile("SoundFile", "Sound File", "", ""); strategy.parameters:setFlag("SoundFile", core.FLAG_SOUND); strategy.parameters:addBoolean("SendEmail", "Send Email", "", true); strategy.parameters:addString("Email", "Email", "", ""); strategy.parameters:setFlag("Email", core.FLAG_EMAIL); end local first; local ShowAlert; local SoundFile; local Source = nil; local Email; local SendEmail; local Level; local Last; local Flag; function Prepare() -- collect parameters Level = instance.parameters.Level; ShowAlert = instance.parameters.ShowAlert; if instance.parameters.PlaySound then SoundFile = instance.parameters.SoundFile; else SoundFile = nil; end SendEmail = instance.parameters.SendEmail; if SendEmail then Email = instance.parameters.Email; else Email = nil; end assert(not(SendEmail) or (SendEmail and Email ~= ""), "E-mail address must be specified"); assert(instance.parameters.TF ~= "t1", "timeframe must not be tick"); assert(not(PlaySound) or (PlaySound and SoundFile ~= " "), "Sound file must be specified"); Source = ExtSubscribe(1, nil, instance.parameters.TF , instance.parameters.Type == "Bid", "bar"); first= Source.close:first()+1; local name = profile:id() .. "(" .. instance.bid:instrument() .. ", ".. Level .. ")"; instance:name(name); ExtSetupSignal("Volume Signal", ShowAlert); ExtSetupSignal(profile:id() .. ":", ShowAlert); ExtSetupSignalMail(name); end -- when tick source is updated function ExtUpdate(id, source, period) if period < first or id ~= 1 or Level == 0 then return; end if Source.volume[period] > Level and Last ~= source:serial(period) then Last = source:serial(period); ExtSignal(Source, period, "Volume Threshold Reached" , SoundFile, Email); end if Source.volume[period-1] < Level and Source.volume[period-2] >= Level and Flag ~= source:serial(period-1) then Flag = source:serial(period-1); ExtSignal(Source, period, "Volume has fallen below Threshold" , SoundFile, Email); end end dofile(core.app_path() .. "\\strategies\\standard\\include\\helper.lua");