// FIXME: why do we need version parameter?
// it shouldn't be called "version" because the it a field with the same name
public void UpdateSignature(Key key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
UpdatePayload();
signature = new VarString(key.Sign(Hashes.Hash256(payload.GetString())).ToDER());
}
private void UpdatePayload(BitcoinStream stream)
{
MemoryStream ms = new MemoryStream();
var seria = new BitcoinStream(ms, true);
seria.CopyParameters(stream);
ReadWritePayloadFields(seria);
payload = new VarString(ms.ToArray());
}