/// <summary>
/// Create a new instance of this class.
/// </summary>
public PlotReaderManager()
{
// Create our shabel for local hashing when determining the scoop number for each block
_shabel = new Shabal256();
// Now create and hook up to these events
Logger.Info("Initialising plot readers");
if (Configuration.PlotDirectories != null && Configuration.PlotDirectories.Length > 0)
{
_plotReaders = new PlotReader[Configuration.PlotDirectories.Length];
decimal utilisedStorage = 0;
Parallel.For(0, Configuration.PlotDirectories.Length, (int i) =>
{
_plotReaders[i] = new PlotReader(Configuration.PlotDirectories[i]);
_plotReaders[i].ScoopsDiscovered += PlotReaderOnScoopsDiscovered;
_plotReaders[i].UpdateUtilisedStorage();
utilisedStorage += _plotReaders[i].UtilisedStorage;
});
UtilisedStorage = utilisedStorage;
UtilisedStorageUpdated?.Invoke(this, new UtilisedStorageEventHandler(UtilisedStorage));
}
Logger.Debug("Finished initialising plot readers");
// Start the progress monitor
_isAlive = true;
_progressMonitoringThread = new Thread(ProgressMonitoringThread)
{
IsBackground = true, Name = "Plot Reader Progress Monitor"
};
_progressMonitoringThread.Start();
}
/// <summary>
/// The main entry point for the threads that individually check for deadlines.
/// </summary>
private void ThreadEntry()
{
Shabal256 shabal = new Shabal256();
byte[] hashBuffer = new byte[32 + Plot.SCOOP_SIZE];
ulong lastBlockHeightPrevGenCopied = 0;
while (_isAlive)
{
// Get a few items from the queue to process
Scoop[] scoops;
lock (_scoopQueueLocker)
{
scoops = new Scoop[_scoopQueue.Count > 100 ? 100 : _scoopQueue.Count];
if (scoops.Length > 0)
{
for (int i = 0; i < scoops.Length; i++)
{
scoops[i] = _scoopQueue[_scoopQueue.Count - i - 1];
}
_scoopQueue.RemoveRange(_scoopQueue.Count - scoops.Length, scoops.Length);
}
}
// If we didn't get an item or if for some reason the mining info has been wiped wait and try again
if (scoops == null || scoops.Length < 1)
{
Thread.Sleep(200);
continue;
}
foreach (Scoop scoop in scoops)
{
// Breakout if we're no longer running
MiningInfo miningInfo = _miningInfo;
if (!_isAlive || miningInfo == null)
{
break;
}
// Ensure we're on right block
if (scoop.BlockHeight != miningInfo.BlockHeight)
{
continue;
}
// Calculate the deadline for this scoop
if (lastBlockHeightPrevGenCopied != miningInfo.BlockHeight)
{
Array.Copy(_miningInfo.PreviousGenerationSignatureBytes, hashBuffer, 32);
lastBlockHeightPrevGenCopied = miningInfo.BlockHeight;
}
Array.Copy(scoop.Data, 0, hashBuffer, 32, Plot.SCOOP_SIZE);
byte[] target = shabal.ComputeBytes(hashBuffer).GetBytes();
ulong targetResult = BitConverter.ToUInt64(target, 0);
// And with our target compute a deadline
ulong deadline = targetResult / miningInfo.BaseTarget;
if (deadline < miningInfo.Deadline)
{
DeadlineFound?.Invoke(this, new DeadlineFoundEventArgs(deadline, scoop, miningInfo));
}
}
}
}
