OCI blob

Tag 1: the client asks the server for a blob of an image the server holds for it, by digest; the server answers with the bytes in zero or more channel responses and the channel response finish; a finish with nothing before it states that the server does not hold the digest for the client.

The client opens this channel to pull a blob the server holds for it: a config or a layer, by digest.

• The request. The tag byte 1 followed by the digest as JSON. Request states its form.
• The response. The bytes of the blob in zero or more channel responses and the channel response finish. Response states the sequence.
• Held for the client. The server answers the blob only of an image it holds for the client, as images::oci states. A digest it does not hold for the client is answered with the channel response finish and nothing before it.