public byte[] InputHash(SigHash hashType, Script subScript, int inputIndex)
{
if (hashType.HasFlag(SigHash.None))
{
throw new NotImplementedException();
}
if (hashType.HasFlag(SigHash.Single))
{
throw new NotImplementedException();
}
if (hashType.HasFlag(SigHash.AnyoneCanPay))
{
throw new NotImplementedException();
}
Transaction copy = Transaction.FromByteArray(ToByteArray());
foreach (Input input in copy.Inputs)
{
input.ScriptSig = new Script();
}
copy.Inputs[inputIndex].ScriptSig = subScript;
var verify = new List <byte>();
verify.AddRange(copy.ToByteArray());
verify.AddRange(BitConverter.GetBytes((UInt32)hashType));
return(Digest.Hash <SHA256, SHA256>(verify.ToArray()));
}
public byte[] GenerateInputSignature(ECKey privateKey, SigHash hashType, Script subScript, int inputIndex)
{
if (hashType.HasFlag(SigHash.None))
{
throw new NotImplementedException();
}
if (hashType.HasFlag(SigHash.Single))
{
throw new NotImplementedException();
}
if (hashType.HasFlag(SigHash.AnyoneCanPay))
{
throw new NotImplementedException();
}
return(ArrayHelpers.ConcatArrays(privateKey.Sign(InputHash(hashType, subScript, inputIndex)), new byte[] { (byte)hashType }));
}