RatioMaster_source.RM.getUrlString C# (CSharp) Method

        private string getUrlString(TorrentInfo torrentInfo, string eventType)
        {
            // Random random = new Random();
            string uploaded = "0";
            if (torrentInfo.uploaded > 0)
            {
                torrentInfo.uploaded = RoundByDenominator(torrentInfo.uploaded, 0x4000);
                uploaded = torrentInfo.uploaded.ToString();

                // uploaded = Convert.ToString(torrentInfo.uploaded + random.Next(1, 1023));
            }

            string downloaded = "0";
            if (torrentInfo.downloaded > 0)
            {
                torrentInfo.downloaded = RoundByDenominator(torrentInfo.downloaded, 0x10);
                downloaded = torrentInfo.downloaded.ToString();

                // downloaded = Convert.ToString(torrentInfo.downloaded + random.Next(1, 1023));
            }

            if (torrentInfo.left > 0)
            {
                torrentInfo.left = torrentInfo.totalsize - torrentInfo.downloaded;
            }

            string left = torrentInfo.left.ToString();
            string key = torrentInfo.key;
            string port = torrentInfo.port;
            string peerID = torrentInfo.peerID;
            string urlString;
            urlString = torrentInfo.tracker;
            if (urlString.Contains("?"))
            {
                urlString += "&";
            }
            else
            {
                urlString += "?";
            }

            if (eventType.Contains("started")) urlString = urlString.Replace("&natmapped=1&localip={localip}", "");
            if (!eventType.Contains("stopped")) urlString = urlString.Replace("&trackerid=48", "");
            urlString += currentClient.Query;
            urlString = urlString.Replace("{infohash}", HashUrlEncode(torrentInfo.hash, currentClient.HashUpperCase));
            urlString = urlString.Replace("{peerid}", peerID);
            urlString = urlString.Replace("{port}", port);
            urlString = urlString.Replace("{uploaded}", uploaded);
            urlString = urlString.Replace("{downloaded}", downloaded);
            urlString = urlString.Replace("{left}", left);
            urlString = urlString.Replace("{event}", eventType);
            if ((torrentInfo.numberOfPeers == "0") && !eventType.ToLower().Contains("stopped")) torrentInfo.numberOfPeers = "200";
            urlString = urlString.Replace("{numwant}", torrentInfo.numberOfPeers);
            urlString = urlString.Replace("{key}", key);
            urlString = urlString.Replace("{localip}", Functions.GetIp());
            return urlString;
        }