private static void MixIn(Span <byte> span, int value)
{
Span <byte> valueBytes = stackalloc byte[32];
BinaryPrimitives.WriteInt32LittleEndian(valueBytes.Slice(0, 4), value);
Chunk result = HashConcatenation(MemoryMarshal.Cast <byte, Chunk>(span)[0], MemoryMarshal.Cast <byte, Chunk>(valueBytes)[0], 0);
result.ToLittleEndian(span);
}
internal static Chunk HashConcatenation(Chunk left, Chunk right, int level)
{
if (IsZeroHash(left, level) && IsZeroHash(right, level))
{
return(ZeroHashes[level + 1]);
}
Span <Chunk> concatenation = stackalloc Chunk[2];
concatenation[0] = left;
concatenation[1] = right;
return(Compute(concatenation));
}
private static bool IsZeroHash(Chunk span, int level)
{
return(span.Equals(ZeroHashes[level]));
}