Is clearer

Previous fn name was a bit ambigious, particularly due to the existance of GetCollectionBySchemaID, which has the same method signature.

Exposes a large amount of internal generator types and is not nice on a public interface

Pub fn is an oddity that might be removed, this is one of two refs to it

Removes the defra-only DagStore type/name from the db interface - blockstore concept appears to be larger than defra, and there seems no sensible way to remove it from the interfaces (p2p lib requires one).  If Cid and Block should be considered standard, then blockstore should be too.

Is a duplicate of the public PrintDump

None of these need to be public.  Leaves us with the (standard-typed, standard-concept) Root and Block stores only.

txn is dependent on store, and txn is on the public db+collection interfaces

Is not used, and creates extra dependency headaches when moving public items into client package.