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- o Hidden Service Enhancement
- Client now uses an introduction point failure cache to know when to
- fetch or keep a descriptor in their cache.
- When fetching a descriptor, for every introduction points in it, we look
- them up in the failure cache to know if we keep the descriptor or not.
- For this to work, everytime an introduction points is discarded (ex:
- receiving a NACK), we note it down in our introduction cache. If all
- introduction points for an onion service are in our failure cache, we
- discard the descriptor and fetch a new one.
- See rendcache.c for a detailed explanation of the cache's behavior.
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