How to get the current session keys used by an active validator?

Question

There are api.query.session.nextKeys and api.query.session.queuedKeys for obtaining the next session keys for a validator (doc).

But how do I query the current the session keys used by an active validator?

Answer 1

You can query the AccountId's of the validators from the session pallet, and the AuthorityId's from their respective pallet's fn authorities() (eg: Aura::authorities()). Then you can zip them up if you like. The AccountIds and the keys are communicated to the pallets and stored in the pallets in order.