func writeChunkHeader(header []byte, c chunk.Chunk) error {
header[chunkHeaderTypeOffset] = byte(c.Encoding())
binary.LittleEndian.PutUint64(
header[chunkHeaderFirstTimeOffset:],
uint64(c.FirstTime()),
)
lt, err := c.NewIterator().LastTimestamp()
if err != nil {
return err
}
binary.LittleEndian.PutUint64(
header[chunkHeaderLastTimeOffset:],
uint64(lt),
)
return nil
}
