public bool VerifyShare(LbryStratum.Work work, UInt32 aNonce, string result)
{
var hashSHA256 = HashLib.HashFactory.Crypto.CreateSHA256();
var hashSHA512 = HashLib.HashFactory.Crypto.CreateSHA512();
var hashRIPEMD160 = HashLib.HashFactory.Crypto.CreateRIPEMD160();
byte[] input = work.Blob;
input[108] = (byte)((aNonce >> 24) & 0xff);
input[109] = (byte)((aNonce >> 16) & 0xff);
input[110] = (byte)((aNonce >> 8) & 0xff);
input[111] = (byte)((aNonce >> 0) & 0xff);
byte[] inputSwapped = new byte[112];
for (int i = 0; i < 28; i++)
{
inputSwapped[4 * i + 0] = input[4 * i + 3];
inputSwapped[4 * i + 1] = input[4 * i + 2];
inputSwapped[4 * i + 2] = input[4 * i + 1];
inputSwapped[4 * i + 3] = input[4 * i + 0];
}
byte[] hash0 = hashSHA256.ComputeBytes(inputSwapped).GetBytes();
hash0 = hashSHA256.ComputeBytes(hash0).GetBytes();
hash0 = hashSHA512.ComputeBytes(hash0).GetBytes();
byte[] hash1 = new byte[32];
byte[] hash2 = new byte[32];
Buffer.BlockCopy(hash0, 0, hash1, 0, 32);
Buffer.BlockCopy(hash0, 32, hash2, 0, 32);
hash1 = hashRIPEMD160.ComputeBytes(hash1).GetBytes();
hash2 = hashRIPEMD160.ComputeBytes(hash2).GetBytes();
hash0 = new byte[40];
Buffer.BlockCopy(hash1, 0, hash0, 0, 20);
Buffer.BlockCopy(hash2, 0, hash0, 20, 20);
hash0 = hashSHA256.ComputeBytes(hash0).GetBytes();
hash0 = hashSHA256.ComputeBytes(hash0).GetBytes();
string hash0String = Utilities.ByteArrayToString(hash0);
//MainForm.Logger("result: " + result);
//MainForm.Logger("hash0: " + hash0String);
return(result == hash0String);
}
public void Submit(OpenCLDevice aDevice, LbryStratum.Work work, UInt32 aNonce, string result)
{
if (Stopped)
{
return;
}
if (!VerifyShare(work, aNonce, result))
{
MainForm.Logger("Error in computation has been detected (Lbry).");
return; // TODO
}
try { mMutex.WaitOne(5000); } catch (Exception) { }
RegisterDeviceWithShare(aDevice);
try
{
String stringNonce = (String.Format("{3:x2}{2:x2}{1:x2}{0:x2}", ((aNonce >> 0) & 0xff), ((aNonce >> 8) & 0xff), ((aNonce >> 16) & 0xff), ((aNonce >> 24) & 0xff)));
String message = JsonConvert.SerializeObject(new Dictionary <string, Object> {
{ "id", mJsonRPCMessageID++ },
{ "method", "mining.submit" },
{ "params", new List <string> {
Username,
work.Job.ID,
work.LocalExtranonceString,
work.Job.NTime,
stringNonce
} }
});
WriteLine(message);
MainForm.Logger("Device #" + aDevice.DeviceIndex + " submitted a share.");
//MainForm.Logger("message: " + message);
}
catch (Exception ex)
{
MainForm.Logger("Failed to submit share: " + ex.Message);
try { mMutex.ReleaseMutex(); } catch (Exception) { }
Reconnect();
}
try { mMutex.ReleaseMutex(); } catch (Exception) { }
}
