-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=31&t=68465 --+------------------------------------------------------------------+ --| Copyright © 2019, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.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() indicator:name("Closed trades indicator"); indicator:description(""); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addString("CustomID", "Custom ID", "", "Martingale"); end local CustomID, db; function Prepare(nameOnly) source = instance.source; local name = string.format("%s(%s)", profile:id(), source:name()); instance:name(name); if nameOnly then return ; end; require("storagedb"); CustomID = source:instrument() .. "_" .. source:barSize() .. "_Martingale_" .. instance.parameters.CustomID; db = storagedb.get_db(CustomID); end function PopLast(data) local last = nil; local lastIdx; for i, val in pairs(data) do if val.CloseTime ~= nil and (last == nil or last.CloseTime < val.CloseTime) then last = val; lastIdx = i; end end if lastIdx ~= nil then data[lastIdx] = nil; end return last; end function ReadValue(json, position) local whaitFor = ""; local start = position; while (position < json:len() + 1) do local ch = string.sub(json, position, position); position = position + 1; if ch == "\"" then start = position - 1; whaitFor = ch; break; elseif ch == "{" then start = position - 1; whaitFor = "}"; break; elseif ch == "," or ch == "}" then return string.sub(json, start, position - 2), position - 1; end end while (position < json:len() + 1) do local ch = string.sub(json, position, position); position = position + 1; if ch == whaitFor then return string.sub(json, start, position - 1), position; end end return "", position; end function JsonToObject(json) local position = 1; local result; local results; while (position < json:len() + 1) do local ch = string.sub(json, position, position); if ch == "{" then result = {}; position = position + 1; elseif ch == "}" then if results ~= nil then position = position + 1; results[#results + 1] = result; else return result; end elseif ch == "," then position = position + 1; elseif ch == "[" then position = position + 1; results = {}; elseif ch == "]" then return results; else if result == nil then return nil; end local name = string.match(json, '"([^"]+)":', position); local value, new_pos = ReadValue(json, position + name:len() + 3); position = new_pos; if value == "false" then result[name] = false; elseif value == "true" then result[name] = true; else if string.sub(value, 1, 1) == "\"" then result[name] = value; value:sub(2, value:len() - 1); elseif string.sub(value, 1, 1) == "{" then result[name] = JsonToObject(value); else result[name] = tonumber(value); end end end end return nil; end function CountFailedTrades() local json = db:get("closed_trades", ""); local unsortedData = JsonToObject(json); if unsortedData == nil then return 0, 0; end local failed = 0; local profit = 0; local trade = PopLast(unsortedData); while (trade ~= nil) do if (trade.PL < 0 and profit == 0) then failed = failed + 1; trade = PopLast(unsortedData); elseif trade.PL >= 0 and failed == 0 then profit = profit + 1; trade = PopLast(unsortedData); else break; end end return failed, profit; end function Update(period, mode) local failed, profit = CountFailedTrades(); if failed ~= 0 then core.host:execute("setStatus", "Loss trades: " .. failed); elseif profit ~= 0 then core.host:execute("setStatus", "Profit trades: " .. profit); end end