[tor-bugs] #20828 [Core Tor/Tor]: Should we provide a migration method from the old guard logic to the new one?

[Tor Bug Tracker & Wiki]

#20828: Should we provide a migration method from the old guard logic to the new
one?
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     Reporter:  nickm         |      Owner:
         Type:  defect        |     Status:  new
     Priority:  High          |  Milestone:  Tor: 0.3.0.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:  #20822
       Points:                |   Reviewer:
      Sponsor:                |
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 Our new (prop271) guard code stores guard state in a new way, and makes no
 effort to look at the old guard state.  For clients who are upgrading,
 should we put more effort into keeping their pre-0.3.0 guards?  We need to
 decide soon.

 (I lean towards "no".)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20828>
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