NPeersForCpl and collapse empty buckets

libp2p / go-libp2p-kbucket

A kbucket implementation for use as a routing table

MIT License

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Closed aarshkshah1992 closed 4 years ago

aarshkshah1992 commented 4 years ago

https://github.com/libp2p/go-libp2p-kad-dht/issues/550
- In order to know when to stop refreshing a CPL, we first need to know the peers we have for a given CPL.
https://github.com/libp2p/go-libp2p-kbucket/issues/72
- We should collapse the last/second last bucket if it's empty.

aarshkshah1992 commented 4 years ago

@aschmahmann Thanks for the review. I've added better documentation around LastUsefulAt. Merging this !