Complete Local Query Protocol

[coot]

This is a prerequisite for #1366 and expands on #1209.

[i-o-m]

@coot @dcoutts From Duncan in Slack. This is needed for the Byron Re-write integration with Wallet in the next Sprint S5 "Duncan Coutts Yes, it's essentially the same if it's targeting Byron. We'd re-target these tickets for Byron, and add one new one for the incremental change needed for Shelley."

[coot]

This is done in pr #1522