public override void Encode(ByteSpan code)
{
code[0] = Depth;
Fingerprint.AsSpan().CopyTo(code.Slice(1, 4));
code[5] = (byte)((Child >> 24) & 0xFF);
code[6] = (byte)((Child >> 16) & 0xFF);
code[7] = (byte)((Child >> 8) & 0xFF);
code[8] = (byte)(Child & 0xFF);
ChainCode.Span.CopyTo(code.Slice(9, 32));
var key = PublicKey.Data;
Debug.Assert(key.Length == 33);
key.CopyTo(code.Slice(41, 33));
}
public override void Encode(ByteSpan code)
{
code[0] = Depth;
var s = Fingerprint.AsSpan();
s.CopyTo(code.Slice(1, 4));
code[5] = (byte)((Child >> 24) & 0xFF);
code[6] = (byte)((Child >> 16) & 0xFF);
code[7] = (byte)((Child >> 8) & 0xFF);
code[8] = (byte)(Child & 0xFF);
ChainCode.Span.CopyTo(code.Slice(9, UInt256.Length));
code[41] = 0;
var key = PrivateKey.Bytes;
Debug.Assert(key.Length == UInt256.Length);
key.CopyTo(code.Slice(42, UInt256.Length));
}