| public static Byteswap ( System.UInt64 inval ) : System.UInt64 | ||
| inval | System.UInt64 | |
| return | System.UInt64 | |
void SendVersionPacket()
{
IPEndPoint remote = (IPEndPoint)mSocket.RemoteEndPoint;
IPEndPoint local = (IPEndPoint)mSocket.LocalEndPoint;
// Send version packet
MemoryStream stream = new MemoryStream();
BinaryWriter w = new BinaryWriter(stream);
// -- PAYLOAD --
// version
w.Write(0x00011171);
// Services
Int64 services = 0x0000000000000001;
w.Write(services);
// Timestamp
UInt64 timestamp = Program.UnixTime();
timestamp = 0x52F95D8E;
w.Write(timestamp);
// addr_recv
w.Write(services);
w.Write((UInt64)0);
w.Write((ushort)0);
w.Write((ushort)0xFFFF);
byte[] remoteBytes = remote.Address.GetAddressBytes();
w.Write(remoteBytes);
w.Write(Program.Byteswap((short)8333));
// addr_from
w.Write(services);
w.Write((UInt64)0);
w.Write((ushort)0);
w.Write((ushort)0xFFFF);
byte[] localBytes = local.Address.GetAddressBytes();
w.Write(localBytes);
w.Write(Program.Byteswap((short)8333));
// nonce
w.Write((UInt64)0xC4ACFF3D04805523);
// user_agent
w.Write((byte)0xF);
w.Write("/Satoshi:0.8.6/".ToArray());
// start_height
w.Write((int)0x00045768);
byte[] packetData = stream.ToArray();
SendPacket("version", packetData);
w.Close();
}
uint DoHashes(uint start, uint count)
{
uint[] hashout = new uint[8];
uint end = start + count;
uint hashesDone = 0;
for (uint i = start; i < end; i++, hashesDone++)
{
// Write i into data
//i = 2083236893;
mData[3] = Program.Byteswap(i);
//sha256_block_data_order(hash1, mMidstate, mData);
//sha256_block_data_order(hashout, staticHashInit, hash1);
SHATransform(hash1, mMidstate, mData);
SHATransform(hashout, staticHashInit, hash1);
// Check
if (hashout[7] == 0)
{
for (int k = 6; k >= 0; k--)
{
if (hashout[k] > mTarget[k])
{
break;
}
if (hashout[k] < mTarget[k])
{
// Solution found
hashesDone++;
SendWorkComplete(true, i, mHashesDone + hashesDone);
return(hashesDone);
}
}
}
}
return(hashesDone);
}
void DoWork(WorkBlock work)
{
byte[] data = new byte[64];
Array.Copy(work.data, 64, data, 0, 64);
uint[] midstate = ByteArrayToUIntArray(work.midstate, 0);
uint[] targetA = ByteArrayToUIntArray(work.target, 0);
uint[] targetSwapped = new uint[8];
for (int i = 0; i < 8; i++)
{
targetSwapped[i] = targetA[7 - i];
}
uint max = 0xFFFFFFFF;
long start, end, freq;
Win32Wrapper.QueryPerformanceFrequency(out freq);
Win32Wrapper.QueryPerformanceCounter(out start);
for (uint n = 0; n < max; n++)
{
WriteUIntToByteArray(n, data, 12);
uint[] output = new uint[8];
SHATransform(output, data, midstate);
byte[] input = new byte[64];
Buffer.BlockCopy(output, 0, input, 0, 32);
Buffer.BlockCopy(work.hash1, 32, input, 32, 32);
SHATransform(output, input, staticData);
if (output[7] == 0)
{
uint[] swapped = new uint[8];
for (int i = 0; i < 8; i++)
{
swapped[i] = Program.Byteswap(output[7 - i]);
}
for (int i = 1; i < 8; i++)
{
if (swapped[i] < targetSwapped[i])
{
// Found a solution
WriteUIntToByteArray(n, work.data, 76); // Write the nonce value into the data block
return;
}
if (swapped[i] > targetSwapped[i])
{
break;
}
}
}
}
Win32Wrapper.QueryPerformanceCounter(out end);
long clocks = end - start;
double seconds = (double)clocks / (double)freq;
double hashesPerSecond = max / seconds;
Console.WriteLine(hashesPerSecond.ToString() + " hashes per second");
}
