[tor-bugs] #33222 [Core Tor/Tor]: Prop 311: 4.2. Implement IPv6 ORPort Reachability Self-Tests

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#33222: Prop 311: 4.2. Implement IPv6 ORPort Reachability Self-Tests
---------------------------+------------------------------------
 Reporter:  teor           |          Owner:  teor
     Type:  enhancement    |         Status:  needs_review
 Priority:  Medium         |      Milestone:  Tor: 0.4.4.x-final
Component:  Core Tor/Tor   |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:  ipv6, prop311  |  Actual Points:  3
Parent ID:  #33221         |         Points:  6
 Reviewer:  nickm          |        Sponsor:  Sponsor55-must
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Changes (by teor):

 * actualpoints:  1.1 => 3


Comment:

 I've updated the PR with the changes from #33226, and some refactoring:
 * incomplete: https://github.com/torproject/tor/pull/1874

 It took a bit longer than I thought, I forgot how tricky node filters are.
 (I needed to change the protocol versions, circuit-level flags, and node-
 level flags.)

 That's all the features, but it still needs unit tests and changes file.

 Chutney already does integration tests:
 * using tor's `make test-network-all` locally, and
 * via Travis CI on macOS (dual-stack) and Linux (IPv4 only).

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33222#comment:16>
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