| public static GenerateHash ( byte data ) : byte[] | ||
| data | byte | |
| return | byte[] | |
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)
{
MinerLib_cs.Work work = new MinerLib_cs.Work();
Buffer.BlockCopy(data, 0, work.data, 0, 80);
for (int i = 0; i < 20; i++)
{
work.data[i] = Utils.Byteswap(work.data[i]);
}
MinerLib_cs.Scrypt scrypt = new MinerLib_cs.Scrypt(work);
mHash = scrypt.GetHash();
}
else
{
// SHA 256
mHash = Utils.GenerateHash(data);
}
}
int DisptachPacket(byte[] packet, long size)
{
MemoryStream stream = new MemoryStream(packet);
BinaryReader br = new BinaryReader(stream);
int bytesConsumed = 0;
while (stream.Position + 24 < size)
{
uint networkID = br.ReadUInt32();
string packetID = Utils.ReadString(br, 12);
uint length = br.ReadUInt32();
uint checksum = br.ReadUInt32();
if (stream.Position + length > size)
{
break;
}
//Console.WriteLine(packetID);
if (networkID == mNetworkID)
{
byte[] payload = br.ReadBytes((int)length);
byte[] hash = Utils.GenerateHash(payload);
if (CompareChecksum(checksum, hash))
{
// valid packet, get the handler
if (mPacketProcessors.ContainsKey(packetID))
{
PacketProcessor p = mPacketProcessors[packetID];
p(payload);
}
else
{
Console.WriteLine("Unhandled packet: " + packetID);
}
}
else
{
Console.WriteLine("Failed checksum!");
}
}
else
{
Console.WriteLine("Failed ID Check, Network ID: " + networkID);
}
bytesConsumed += 24 + (int)length;
}
br.Close();
return(bytesConsumed);
}
public void SendPacket(string packetID, byte[] payload)
{
byte[] hash = Utils.GenerateHash(payload);
MemoryStream stream = new MemoryStream();
BinaryWriter w = new BinaryWriter(stream);
w.Write(mNetworkID);
for (int i = 0; i < 12; i++)
{
if (i < packetID.Length)
{
w.Write((byte)packetID[i]);
}
else
{
w.Write((byte)0);
}
}
// Payload len
w.Write(payload.Length);
// Checksum
w.Write(hash[0]);
w.Write(hash[1]);
w.Write(hash[2]);
w.Write(hash[3]);
w.Write(payload);
byte[] packetData = stream.ToArray();
mSocket.Send(packetData);
w.Close();
}
