private HashTarget FindHashTarget(HashBits initialNounce, ulong maxItterations, CancellationToken cancellationToken)
{
return(_feedback.Execute("FindHashTarget",
() =>
{
var cryptography = new Cryptography();
ulong itterations = 0;
try
{
var nounce = initialNounce.ToHash();
do
{
var hash = cryptography.CalculateHash(_signedBlockBytes, nounce);
if (hash.Compare(_hashTarget) < 0)
{
return new HashTarget(nounce, hash);
}
nounce.Increment(1);
} while (++itterations < maxItterations && !cancellationToken.IsCancellationRequested);
return null;
}
finally
{
_feedback.MiningHashProgress(itterations);
}
},
() => $"{nameof(initialNounce)}: {initialNounce}, {nameof(maxItterations)}: {maxItterations}"));
}
public Miner(
HashBits hashTargetBits,
BlockSigned signedBlock,
Hash signedBlockHash,
Cryptography cryptography,
IFeedback feedback)
{
_hashTarget = hashTargetBits.ToHash();
_signedBlock = signedBlock;
_signedBlockBytes = signedBlockHash.ToBinary();
_cryptography = cryptography;
_feedback = feedback;
_taskManagerWork = new CancellationTokenSource();
InitializeTaskManagerWait();
_taskManager = new Task <HashTarget>(ManageTasks, _taskManagerWork.Token);
}