/// <summary>
/// Create a new instance of this class.
/// </summary>
/// <param name="deadline">
/// The duration of the deadline.
/// </param>
/// <param name="scoop">
/// The scoop the dealdine came from.
/// The</param>
/// <param name="miningInfo">
/// The information about the network that this deadline was found matching.
/// </param>
public Deadline(TimeSpan deadline, Scoop scoop, MiningInfo miningInfo)
{
Status = DeadlineStatus.Found;
DeadlineDuration = deadline;
Scoop = scoop;
MiningInfo = miningInfo;
NextSubmissionDate = DateTime.UtcNow;
}
/// <summary>
/// Create a new instance of this class.
/// </summary>
/// <param name="deadline">
/// The deadline that has been found.
/// </param>
/// <param name="scoop">
/// The scoop that this deadline was generated from.
/// </param>
/// <param name="miningInfo">
/// The mining information that was used to generate this deadline.
/// </param>
public DeadlineFoundEventArgs(ulong deadline, Scoop scoop, MiningInfo miningInfo)
{
Scoop = scoop;
MiningInfo = miningInfo;
Deadline = deadline;
}
/// <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));
}
}
}
}