[tor-bugs] #15881 [Tor]: Missing descriptor ID in some HS_DESC control event

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#15881: Missing descriptor ID in some HS_DESC control event
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     Reporter:  dgoulet  |      Owner:
         Type:  defect   |     Status:  needs_review
     Priority:  normal   |  Milestone:  Tor: 0.2.7.x-final
    Component:  Tor      |    Version:
   Resolution:           |   Keywords:  SponsorR, controller
Actual Points:           |  Parent ID:
       Points:  small    |
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Comment (by nickm):

 * Can this have tests?
  * In get_desc_id_from_query(), is it possible that the set of directories
 we knew about when we launched the query will not match the set that we
 know about when we call get_desc_id_from_query()?  This could happen if we
 get a new networkstatus in between.
  * Does get_desc_id_from_query() return a (binary) digest or a hex string
 or a base32 string or what?  It should be documented.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15881#comment:5>
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