[tor-bugs] #8510 [Tor]: Add useful Hidden Service related events to the Tor control port

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#8510: Add useful Hidden Service related events to the Tor control port
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     Reporter:  hellais  |      Owner:
         Type:  task     |     Status:  needs_revision
     Priority:  normal   |  Milestone:  Tor: unspecified
    Component:  Tor      |    Version:
   Resolution:           |   Keywords:  tor-hs controller needs-proposal
Actual Points:           |  Parent ID:  #8993
       Points:           |
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Comment (by asn):

 Sorry for not getting back to you in a while dave2008!

 Code looks good to me.

 Maybe a unit test of the `if (!node) {` case of `node_describe_by_id()`
 would make this even more robust?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8510#comment:31>
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