Function validate_chunk_header 

pub fn validate_chunk_header(
    header: &[u8],
    context: LocalSharedStatePackageContext,
    stream_id: [u8; 32],
    artifact_id: [u8; 32],
    family: u8,
    class: u8,
    index: u32,
    count: u32,
    total: u64,
) -> Result<[u8; 24]>