[tor-bugs] #23975 [Core Tor/Tor]: Make node_get_pref_ipv6_orport() check addresses in the right order

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#23975: Make node_get_pref_ipv6_orport() check addresses in the right order
--------------------------+------------------------------------
 Reporter:  teor          |          Owner:  teor
     Type:  defect        |         Status:  needs_review
 Priority:  Medium        |      Milestone:  Tor: 0.3.3.x-final
Component:  Core Tor/Tor  |        Version:  Tor: 0.2.8.1-alpha
 Severity:  Normal        |     Resolution:
 Keywords:  ipv6          |  Actual Points:  2
Parent ID:  #20916        |         Points:  1
 Reviewer:                |        Sponsor:  SponsorV-can
--------------------------+------------------------------------
Changes (by teor):

 * status:  needs_revision => needs_review


Comment:

 Please see my branch bug23975-redux.

 It makes sure we ignore microdescs when the consensus has IPv6 ORPorts.
 And it refactors some of the address functions so they depend on the
 revised code.

 It also contains the cherry-picked commit from #24736 branch bug24736_028,
 because it is required for the unit tests to pass.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23975#comment:9>
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