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Created by Nick Mathewson@nickm👜Owner8 of 8 tasks completed8/8 tasks

Send and receive DESTROY cells correctly

Arti currently doesn't send DESTROY cells when circuits close; it doesn't notice that circuits close when they are dropped. I should fix both of those problems.

Additionally, ISTR that we have some notion of recently destroyed circuits where we accept cells for a little while until we don't any more. We should implement that too, and make sure there's a spec for it.

  • Handle incoming DESTROY cells correctly
  • Send DESTROY cells when a circuit closes
  • Send DESTROY cell when a circuit is dropped.
  • Make sure that if a DESTROY cell goes out, we don't send any more on the circuit.
  • Make sure all circuit objects get closed if a channel dies or is shut down.
  • Make sure we have an appropriate means for handling for what Tor handles with channel_mark_circid_unusable().
  • Make sure we have an appropriate means for handling for what Tor handles with channel_note_destroy_pending().
  • Do the right thing for handling incoming cells to an unrecognized circuit.
Edited by Nick Mathewson