public static StorageOfData StartProofOfWork(string testData, int startingZeros)
{
var resultData = new StorageOfData();
// startingZeros - number of starting zero bits resulting SHA256 block hash should contain
var expectedResult = new string('0', startingZeros);
var stopwatch = new Stopwatch();
stopwatch.Start();
resultData.HashData = string.Empty;
while (true)
{
if (stopwatch.Elapsed.TotalSeconds > 300)
{
MessageBox.Show("Too hard to find hash with that count of zero bits");
break;
}
if ((!resultData.HashData.StartsWith(expectedResult)))
{
resultData.NumberOfIterations++;
resultData.Data = testData + RandomStringGenerator.GenerateByLen(10);
resultData.HashData = HashOperations.GenerateSha256String(resultData.Data);
resultData.Time = stopwatch.Elapsed.TotalSeconds;
}
else
{
break;
}
}
resultData.Time = stopwatch.Elapsed.TotalSeconds;
return(resultData);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
int numberOfSolutionsFound = 0;
var storage = new StorageOfData();
var proofOfWork = new ProofOfWork();
storage.Time = 0;
// Get startingZeros from checkboxes
// 8 by default
var startingZeros = 2;
if (eightCheckBox.IsChecked.Value)
{
// 8 zero bits
startingZeros = 2;
}
if (sixteenCheckBox.IsChecked.Value)
{
// 16 zero bits
startingZeros = 4;
}
if (thirtyTwoCheckBox.IsChecked.Value)
{
// 32 zero bits
startingZeros = 8;
}
while (storage.Time < Int32.Parse(timeForProcessTxt.Text))
{
var result = ProofOfWork.StartProofOfWork("Alice", startingZeros);
storage.Time += result.Time;
numberOfSolutionsFound++;
// store data in bin\Debug
StreamWriter sw = File.AppendText(Environment.CurrentDirectory + @"\dataStorage.txt");
using (sw)
{
sw.WriteLine($"Numbers of iteration: {result.NumberOfIterations}, String: {result.Data}, Hash: {result.HashData}");
}
}
MessageBox.Show($"Check your file:D");
}
