[tor-bugs] #14847 [Tor]: Controller: add a command to fetch HS descriptor from HSdir(s)

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#14847: Controller: add a command to fetch HS descriptor from HSdir(s)
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     Reporter:  dgoulet      |      Owner:  dgoulet
         Type:  enhancement  |     Status:  needs_review
     Priority:  normal       |  Milestone:  Tor: 0.2.7.x-final
    Component:  Tor          |    Version:
   Resolution:               |   Keywords:  SponsorR tor-hs controller
Actual Points:               |  Parent ID:  #3521
       Points:               |
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Comment (by dgoulet):

 Ok, again, more talk with arma on it. We agreed that the complexity was
 getting a bit out of hand. However, having the DescId is useful so Replica
 and Timeperiod are removed. The DescId is also added to the
 HS_DESC_CONTENT event.

 See branch `ticket14847_07` in
 ​​​https://git.torproject.org/user/dgoulet/torspec.git

 I'll try to post asap the code for this because we are getting at a point
 where we actually agree on something and the command is fairly simple. The
 little-t tor code will need refactoring thus much review.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/14847#comment:22>
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