@sjw CouchDB is cool, but I have a strong preference for embedded databases. I looked into PouchDB, but it's for something else.

Also look at how good SQL is at turning Nostr filters into queries, it's phenomenal: https://gitlab.com/soapbox-pub/ditto/-/blob/develop/src/db/events.ts?ref_type=heads#L66-128

Revolver doesn't exist, show me the code.