Register API: Missing a way to get all nodes from Merkle Register CRDT

[b-zee]

I might be missing something, but it seems like there is no way to retrieve the low-level crdts::merkle_reg::MerkleReg.

There is a safe_network::client::Client::get_register function that returns a Register type, but this can only be used to query specific entries with a known hash, or the root entries.

(As an aside, I think the term 'entry' is a little confusing in the context of DAGs.)

[joshuef]

@b-zee what are you after with accessing the MerkleReg?

Probably we need to expose an API for traversal (and keep the underlying data structs hidden).

[b-zee]

In short, I believed it would provide developers with the opportunity to use the node graph as a public append-only structure. E.g. a chat where each node in the graph is a message. For such algorithms, I thought it necessary to access the whole graph of nodes.

I'm not sure I see what such a traversal API would look like. The graph can be quite complex and is exactly what is modeled by the data structure itself...