public async Task <HistoricalData> GetNewPriceHistoryRecord(StreamWriter logFile)
{
var coinList = Workers.GetCoins(Workers.WorkerList);
if (!coinList.Contains("Bitcoin"))
{
coinList.Add("Bitcoin");
}
var coinHashList = GetHashrates(coinList);
var wtmRequestIntervalOld = WtmSettings.WtmRequestInterval;
if (WtmSettings.SaveAllCoins)
{
var allCoins = await WhatToMine.GetAllWtmCoinNamesFromJson(true);
var difference = allCoins.Except(coinList);
foreach (var coin in difference)
{
coinHashList[coin] = 1000;
}
}
// Get WTM coin data
var wtmDataResult = await WhatToMine.GetWtmCoinData(coinHashList, false, logFile).ConfigureAwait(false);
if (wtmDataResult.result == WhatToMine.GetWtmCoinDataResult.CoinNotFound)
{
return(null);
}
var wtmDataDict = wtmDataResult.data;
if (wtmDataDict != null)
{
return(new HistoricalData(DateTime.Now, wtmDataDict));
}
else
{
return(null);
}
}
public async Task <SwitchResult> SwitchStandalone()
{
var streamServerAddress = BuildServerAddress(WtmSettings.ServerName, Constants.StreamServer);
using (var logFile = new StreamWriter(Constants.SwitchLog, true))
{
if (new FileInfo(Constants.SwitchLog).Length > 0)
{
logFile.WriteLine(string.Empty);
}
logFile.WriteLine(DateTime.Now);
// Respect the DelayNextSwitchTime setting
if (WtmSettings.DelayNextSwitchTime != 0)
{
var lastTime = new DateTime();
var lastTimeObj = GetRegistryKeyValue(Constants.SwitchRegistryKey, "LastSuccess");
string lastTimeStr = lastTimeObj as string;
if (lastTimeStr != null && lastTimeStr != string.Empty)
{
lastTime = Convert.ToDateTime(lastTimeStr, DateTimeFormatInfo.InvariantInfo).ToUniversalTime();
var now = DateTime.UtcNow;
var lastTimePlusDelay = lastTime.AddHours(WtmSettings.DelayNextSwitchTime);
if (now < lastTimePlusDelay)
{
logFile.WriteLine($"Because of the Delay option checked Auto Switch can proceed only after {lastTimePlusDelay.ToLocalTime()}.");
return(SwitchResult.DelayIsNotOver);
}
}
}
// Update Workers from server
if (WtmSettings.ApplicationMode == "Client" && WtmSettings.UpdateWorkersFromServer)
{
await UpdateWorkersFromServer(logFile);
}
//Find localhost name in Workers list (used in Standalone and Client modes )
var thisPcName = Environment.MachineName;
Worker thisWorker = GetWorkerByPCName(thisPcName);
if (thisWorker == null && WtmSettings.ApplicationMode != "Server")
{
string msg = $"{thisPcName} was not found in any worker.";
logFile.WriteLine(msg);
return(SwitchResult.ThisPcIsNotListed);
}
// Get coin names from worker description
var coinList = new List <string>();
var allCoinList = new List <string>();
var workersList = new List <Worker>();
string noCoinChecked = string.Empty;
if (thisWorker != null)
{
noCoinChecked = $"No coin is checked as switchable in {thisWorker.Name}.";
}
else
{
noCoinChecked = "No coin is checked as switchable.";
}
if (WtmSettings.ApplicationMode != "Server") // Standalone or Client mode - just the worker that contains localhost name
{
workersList = new List <Worker> {
thisWorker
};
}
else // Server mode - all workers, all coins
{
foreach (var w in Workers.WorkerList)
{
workersList.Add(w.Clone());
}
allCoinList = Workers.GetCoins(workersList, false, false);
if (allCoinList == null || allCoinList.Count == 0)
{
logFile.WriteLine(noCoinChecked);
return(SwitchResult.NothingToDo);
}
if (!allCoinList.Contains("Bitcoin"))
{
allCoinList.Add("Bitcoin");
}
}
coinList = Workers.GetCoins(workersList, false, true); // Only coins with Switch checked
if (coinList == null || coinList.Count == 0)
{
logFile.WriteLine(noCoinChecked);
return(SwitchResult.NothingToDo);
}
if (!coinList.Contains("Bitcoin"))
{
coinList.Add("Bitcoin");
}
// Get WTM coins JSON data
Dictionary <string, WtmData> wtmDataDict = new Dictionary <string, WtmData>();
// Attempt to download data from local server
HistoricalData localDataCopy = null;
if (WtmSettings.ApplicationMode == "Client")
{
var channel = Service.NewStreamChannel(streamServerAddress, TimeSpan.FromSeconds(60));
try
{
var response = await channel.GetWtmLocalDataAsync();
if (response != null)
{
var memoryStream = new MemoryStream();
await response.Stream.CopyToAsync(memoryStream);
localDataCopy = NetHelper.DeserializeFromStream <HistoricalData>(memoryStream);
}
if (localDataCopy == null)
{
throw new NullReferenceException("Local data from server are null.");
}
}
catch (Exception ex)
{
logFile.WriteLine($"Failed to download proxy data from local server {WtmSettings.ServerName}. " + ex.Message);
if (!WtmSettings.QueryWtmOnLocalServerFail)
{
return(SwitchResult.NoWtmData);
}
}
finally
{
NetHelper.CloseChannel(channel);
}
// Check if the received data are up to date
if (localDataCopy != null)
{
bool dataTimestampGood = EvaluateWtmDataTimeRange(localDataCopy.Date);
if (!dataTimestampGood && !WtmSettings.QueryWtmOnLocalServerFail)
{
logFile.WriteLine("The server cache data is expired."
+ " Make sure that AutoSwitch on the client launches later than on the server."
+ " For example, if AutoSwitch runs on a daily basis schedule AutoSwitch on the server to run at 9:00 and on the client machines at anyting between 10:00-23:59."
+ " This way the cache data obtained in the morning is valid for the rest of the day.");
return(SwitchResult.Terminate);
}
if (dataTimestampGood)
{
// Filter out coins downloded from server that are not checked for AutoSwitch locally
wtmDataDict = localDataCopy.PriceData.Where(x => coinList.Contains(x.Key)).ToDictionary(x => x.Key, x => x.Value);
}
}
}
// Download data from WhatToMine (Standalone or Server)
if (wtmDataDict.Count == 0)
{
StatusBarText = "Downloading coin definitions from whattomine.com...";
(Dictionary <string, WtmData> data, WhatToMine.GetWtmCoinDataResult result)wtmDataResult = (null, WhatToMine.GetWtmCoinDataResult.OK);
if (WtmSettings.ApplicationMode == "Server")
{
var allCoinHashList = GetHashrates(allCoinList);
wtmDataResult = await WhatToMine.GetWtmCoinData(allCoinHashList, false, logFile).ConfigureAwait(false);
}
else
{
var coinHashList = GetHashrates(coinList);
wtmDataResult = await WhatToMine.GetWtmCoinData(coinHashList, false, logFile).ConfigureAwait(false);
}
if (wtmDataResult.result == WhatToMine.GetWtmCoinDataResult.CoinNotFound)
{
return(SwitchResult.CoinNotFound);
}
wtmDataDict = wtmDataResult.data;
if (wtmDataDict == null)
{
return(SwitchResult.CoinNotFound);
}
}
// Update WTM coin data with historical averages from local database if opted to
var historicalDataList = new List <HistoricalData>();
bool historicalDataUpToDate = false;
if (WtmSettings.UseHistoricalAverage)
{
if (WtmSettings.ApplicationMode == "Client")
{
//Needs longer timeout for the server might be downloading all coins from whattomine.com
var channel = Service.NewStreamChannel(streamServerAddress, TimeSpan.FromSeconds(180));
try
{
var response = await channel.GetPriceHistoryAsync(new StreamDownloadRequest { Period = WtmSettings.HistoricalAveragePeriod }).ConfigureAwait(false);
if (response != null)
{
var memoryStream = new MemoryStream();
await response.Stream.CopyToAsync(memoryStream);
historicalDataList = NetHelper.DeserializeFromStream <List <HistoricalData> >(memoryStream);
historicalDataUpToDate = true;
}
}
catch (Exception ex)
{
logFile.WriteLine($"Failed to obtain historical prices from local server {WtmSettings.ServerName}. " + ex.Message);
return(SwitchResult.Error);
}
finally
{
NetHelper.CloseChannel(channel);
}
}
else
{
var result = await UpdatePriceHistory();
if (result == UpdatePriceHistoryResult.Success || result == UpdatePriceHistoryResult.AlreadyUpToDate)
{
historicalDataList = ReadHistoricalData(WtmSettings.HistoricalAveragePeriod);
historicalDataUpToDate = true;
}
}
// Calculate historical prices for wtmDataList
if (historicalDataUpToDate)
{
GetHistoricalAverages(wtmDataDict, historicalDataList);
}
}
// Update WtmLocalData if in server mode
if (WtmSettings.ApplicationMode == "Server")
{
if (wtmDataDict != null && wtmDataDict.Count != 0)
{
using (var db = new LiteDatabase(Constants.DataBase))
{
var collection = db.GetCollection <HistoricalData>(Constants.LightDB_WtmCacheCollection);
collection.Delete(LiteDB.Query.All());
collection.Insert(new HistoricalData(DateTime.Now, wtmDataDict));
}
}
}
// Abandon if in server mode and DontSwitchServer is checked
if (WtmSettings.ApplicationMode == "Server" && WtmSettings.DontSwitchServer)
{
return(SwitchResult.NoNeedToSwitch);
}
if (WtmSettings.ApplicationMode == "Server" && !WtmSettings.DontSwitchServer && thisWorker == null)
{
logFile.WriteLine("The server cannot switch because it is not listed in any worker table.");
return(SwitchResult.ThisPcIsNotListed);
}
// Calculate profit table for this PC and analize it
var profitTables = WhatToMine.CreateProfitTables(wtmDataDict, workersList, (decimal)Workers.PowerCost, WtmSettings, true);
var profitTable = profitTables.First();
var currentCoinShortcut = Shortcut.GetCurrentCoin(); // Get current coin from Startup folder .lnk
ProfitTableRow maxCoinRow = null; decimal maxProfit = 0; decimal currentProfit = 0;
bool nothingChecked = false;
WhatToMine.GetProfit(profitTable, currentCoinShortcut, out maxCoinRow, out maxProfit, out currentProfit, out nothingChecked);
if (nothingChecked)
{
string msg = "Nothing to do. Make sure there are actual switchable coins defined in worker.";
logFile.WriteLine(msg);
return(SwitchResult.NothingToDo);
}
if (maxProfit == 0)
{
string msg = $"There is no coin with profit above 0 for {thisPcName}.";
logFile.WriteLine(msg);
return(SwitchResult.NothingToDo);
}
//Check profitability and price margin
bool currentCoinMatch = currentCoinShortcut?.GetName() == maxCoinRow.Name;
bool currentCoinPathMatch = currentCoinShortcut?.Path == maxCoinRow.Path;
bool currentPforitIsHigherOrEqual = maxProfit <= currentProfit;
bool currentProfitIsWithinMargin = false;
if (WtmSettings.PriceMargin > 0)
{
currentProfitIsWithinMargin = maxProfit <= (currentProfit + (currentProfit * WtmSettings.PriceMargin / 100));
}
if (currentPforitIsHigherOrEqual)
{
string msg;
msg = $"No need to switch. {thisPcName} is already set to mine the most profitable coin {currentCoinShortcut?.GetNameAndSymbol()}.";
logFile.WriteLine(msg);
return(SwitchResult.NoNeedToSwitch);
}
if (currentProfitIsWithinMargin)
{
string msg;
if (currentCoinMatch && !currentCoinPathMatch)
{
msg = $"No need to switch. {thisPcName} is set to mine {currentCoinShortcut?.GetNameAndSymbol()} started by \"{currentCoinShortcut?.Path}\". It is less profitable than {maxCoinRow.NameAndSymbol} started by \"{maxCoinRow.Path}\" but the difference is within price margin.";
}
else
{
msg = $"No need to switch. {thisPcName} is set to mine {currentCoinShortcut?.GetNameAndSymbol()}. It is less profitable than {maxCoinRow.NameAndSymbol} but the difference is within price margin.";
}
logFile.WriteLine(msg);
return(SwitchResult.NoNeedToSwitch);
}
// Check if executable path exists
if (!File.Exists(maxCoinRow.Path))
{
logFile.WriteLine($"{maxCoinRow.Path} - file does not exist on {thisPcName}.");
return(SwitchResult.CoinNotFound);
}
bool startOk = false; // Start miner process flag
try
{
Shortcut.CreateCoinShortcut(maxCoinRow.Name, maxCoinRow.Symbol, maxCoinRow.Algorithm, maxCoinRow.Path, maxCoinRow.Arguments);
if (WtmSettings.RestartComputer)
{
RestartComputerPending = true;
}
if (WtmSettings.RestartMiner)
{
// Kill processes from KillList
var killResponse = KillProcesses(WtmSettings.KillList);
if (!killResponse.success && killResponse.failList != null)
{
string errorMessage = $"Startup shortcut to mine {maxCoinRow.NameAndSymbol} has been created but some processes could not be killed:";
logFile.WriteLine(errorMessage);
foreach (var entry in killResponse.failList)
{
if (entry != string.Empty)
{
logFile.WriteLine(entry);
}
}
logFile.WriteLine($"{Environment.MachineName} will restart.");
RestartComputerPending = true;
SetRegistryKeyValue(Constants.SwitchRegistryKey, "LastSuccess", DateTime.UtcNow.ToString("o"));
return(SwitchResult.SwitchedSuccessfully);
}
if (!System.IO.File.Exists(maxCoinRow.Path))
{
logFile.WriteLine($"ERROR: File not found. {maxCoinRow.Path}");
return(SwitchResult.Error);
}
// Start miner process
var startInfo = new ProcessStartInfo(maxCoinRow.Path, maxCoinRow.Arguments);
Process process = new Process();
process.StartInfo = startInfo;
startOk = process.Start();
if (!startOk)
{
throw new Exception($"\"{Path.GetFileName(maxCoinRow.Path)}\" failed to start.");
}
}
SetRegistryKeyValue(Constants.SwitchRegistryKey, "LastSuccess", DateTime.UtcNow.ToString("o"));
logFile.WriteLine($"Switched to {maxCoinRow.NameAndSymbol} successfully.");
return(SwitchResult.SwitchedSuccessfully);
}
catch (Exception ex)
{
logFile.WriteLine($"Failed to switch to {maxCoinRow.NameAndSymbol}: {ex.Message}");
if (WtmSettings.RestartMiner && !startOk)
{
RestartComputerPending = true;
logFile.WriteLine($"{Environment.MachineName} will restart.");
}
return(SwitchResult.Error);
}
}
}
private async void CalculateProfitCommand(object parameter)
{
CalculateProfit.SetCanExecute(false);
LoadHistoricalCharts.SetCanExecute(false);
SwitchManually.SetCanExecute(false);
ProfitTablesEnabled = true;
var coinList = Workers.GetCoins(Workers.WorkerList, true);
if (!coinList.Contains("Bitcoin"))
{
coinList.Add("Bitcoin");
}
//Update Yahoo rates if necessary
if (WtmSettings.UseYahooRates &&
WtmSettings.DisplayCurrency != "USD" &&
WtmSettings.DisplayCurrency != "BTC" &&
WtmSettingsObject.DisplayCurrencyListDate.Date != DateTime.Today)
{
await WtmSettings.GetYahooRates();
if (WtmSettings.DisplayCurrencyList.Count == 2)
{
BypassUndo(() => WtmSettings.UseYahooRates = false);
MessageBox.Show($"{Constants.AppName} could not download the list of currencies from Yahoo. Values will be displayed in USD.", "Warning", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
// Calculate mean hashrate
var coinHashList = GetHashrates(coinList);
// Get WTM coin data
Dictionary <string, WtmData> wtmDataDict = null;
(Dictionary <string, WtmData> data, WhatToMine.GetWtmCoinDataResult)wtmDataResult = (null, WhatToMine.GetWtmCoinDataResult.Fail);
try
{
wtmDataResult = await WhatToMine.GetWtmCoinData(coinHashList, true);
}
catch (Exception ex)
{
}
wtmDataDict = wtmDataResult.data;
if (wtmDataDict == null)
{
CalculateProfitCommandQuit();
return;
}
var btc = wtmDataDict["Bitcoin"];
string keyName;
if (WtmSettings.Average24)
{
keyName = "exchange_rate24";
}
else
{
keyName = "exchange_rate";
}
string btcValue;
btc.Json.TryGetValue(keyName, out btcValue);
if (btcValue != null)
{
WtmSettings.DisplayCurrencyList["BTC"] = Helpers.StringToDecimal(btcValue);
}
else
{
MessageBox.Show("Failed to read BTC price from whattomine.com", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
// Form profit tables from wtmDataList
ProfitTables.Tables.Clear();
var workersChecked = Workers.WorkerList.Where(w => w.Query).ToList();
var profitTables = WhatToMine.CreateProfitTables(wtmDataDict, workersChecked, (decimal)Workers.PowerCost, WtmSettings);
foreach (var table in profitTables)
{
ProfitTables.Tables.Add(table);
}
CalculateProfitCommandQuit();
ScanLan.RaiseCanExecuteChanged();
ScanLanCommand(null);
}