Parses the v2 header at the front of bytes, which may be only a prefix
of the stream.
Never waits to refuse: a first byte that cannot begin the signature is
answered invalid at once.
Parameters
Optionalbytes: any
the bytes read so far
Returns ParseResult
{ state: 'incomplete' } to read more, { state: 'invalid', code, reason } to close the connection, or { state: 'complete', length, header }, where length bytes are the header
Parses the v2 header at the front of
bytes, which may be only a prefix of the stream.Never waits to refuse: a first byte that cannot begin the signature is answered
invalidat once.