[Merge] lp:~thomas-voss/trust-store/fix-1387734 into lp:trust-store

[Thomas Voß]

> This change looks good to me, thanks.
> 
> I do wonder though how long old answers will be cached in the trust store; I
> initially wondered if adding an O(N * log(N)) sorting step to what used to be
> an O(1) query might do to the performance over the long run, but it might make
> more sense to ask why we need to keep older responses around when newer
> responses have been added to the trust store.
> 

I think keeping them around to have a history of trust available for forensics is a nice feature to have. I would be hesitant to remove it, and instead would propose a convenience function as described below.

> What will reclaim this storage and how often?

Right now: nothing and never. I think we should introduce a function add_and_purge(const Request&), which takes care of removing all old entries.
-- 
https://code.launchpad.net/~thomas-voss/trust-store/fix-1387734/+merge/241790
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~thomas-voss/trust-store/fix-1387734 into lp:trust-store.