public void ComputeHash(bool useScrypt)
{
MemoryStream ms = new MemoryStream();
BinaryWriter bw = new BinaryWriter(ms);
bw.Write(mVersion);
bw.Write(mPrevBlock);
bw.Write(mMerkleRoot);
bw.Write(mTimestamp);
bw.Write(mDifficultyBits);
bw.Write(mNOnce);
byte[] data = ms.ToArray();
bw.Close();
if (useScrypt)
{
Work work = new Work();
Buffer.BlockCopy(data, 0, work.data, 0, 80);
for (int i = 0; i < 20; i++)
work.data[i] = Program.Byteswap(work.data[i]);
Scrypt scrypt = new Scrypt(work);
mHash = scrypt.GetHash();
}
else
{
// SHA 256
mHash = Scrypt.SHA2562(data);
}
}
public static bool TestStandard()
{
Work work = new Work();
Array.Copy(sData, work.data, 32);
Array.Copy(sTarget, work.target, 8);
Scrypt scrypt = new Scrypt(work);
bool result = scrypt.Hash(sNOnce);
return result;
}
public static bool TestStandard()
{
Work work = new Work();
Array.Copy(sData, work.data, 32);
Array.Copy(sTarget, work.target, 8);
Scrypt scrypt = new Scrypt(work);
bool result = scrypt.Hash(sNOnce);
return(result);
}
void ScryptHashes()
{
ulong end = mHashStart + mHashCount;
Scrypt scryptData = new Scrypt(mWork);
for( ulong i = mHashStart; i < end; i++ )
{
mHashesDone++;
bool success = scryptData.Hash((uint)i);
if( success )
{
mSolution = (uint)i;
mSolutionFound = true;
break;
}
}
}
void ScryptHashes()
{
ulong end = mHashStart + mHashCount;
Scrypt scryptData = new Scrypt(mWork);
for (ulong i = mHashStart; i < end; i++)
{
mHashesDone++;
bool success = scryptData.Hash((uint)i);
if (success)
{
mSolution = (uint)i;
mSolutionFound = true;
break;
}
}
}
public void Update(Connection conn)
{
if (mCurrentWork != null)
{
bool threadsAllDone = true;
foreach (WorkThread t in mThreads)
{
if (!t.IsWorkDone())
{
threadsAllDone = false;
break;
}
}
if (threadsAllDone)
{
uint hashes = 0;
uint solution = 0;
bool solutionFound = false;
foreach (WorkThread t in mThreads)
{
hashes += t.HashesDone;
if (t.SolutionFound)
{
solutionFound = true;
solution = t.Solution;
}
}
conn.SendWorkComplete(solutionFound, Scrypt.ByteReverse(solution), hashes);
mCurrentWork = null;
mTimer.Stop();
mHashRate = (uint)((double)hashes / mTimer.GetDuration());
}
}
}
