[tor-bugs] #23501 [Core Tor/Tor]: Refactor rep_hist_format_hs_stats() to add noise when counters are initialised

[Tor Bug Tracker & Wiki]

#23501: Refactor rep_hist_format_hs_stats() to add noise when counters are
initialised
------------------------------+--------------------------------------------
     Reporter:  teor          |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.3.x-final
    Component:  Core Tor/Tor  |    Version:  Tor: 0.2.2.14-alpha
     Severity:  Normal        |   Keywords:  tor-relay, privcount, refactor
Actual Points:                |  Parent ID:  #23061
       Points:  0.5           |   Reviewer:
      Sponsor:                |
------------------------------+--------------------------------------------
 This makes the code shorter, and the security guarantees easier to reason
 about (it's how experimental privcount does it).

 See #23414 for background.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23501>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online