[tor-bugs] #23818 [Core Tor/Tor]: Make v3 single onion services retry failed connections with a 3-hop path

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#23818: Make v3 single onion services retry failed connections with a 3-hop path
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 Reporter:  teor                                 |          Owner:  (none)
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  prop224, tor-hs, single-onion, ipv6  |  Actual Points:
Parent ID:  #23493                               |         Points:
 Reviewer:                                       |        Sponsor:
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Old description:

> This makes single onion services connect vias an entry that it can reach
> when connections fail.

New description:

 This makes a single onion service connect via an entry that it can reach
 when connections fail.

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Comment (by teor):

 I removed partial support for this feature in commit b4aa8fc3d9 in my
 bug23820_032 branch (#23820), because it was buggy. We'll need to revert
 that commit and build on it for 0.3.3.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23818#comment:1>
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