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network/retrieval: integrate kademlia load balancing #1981
Merged
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This PR integrates the Kademlia Load Balancer component into the
retrieval
protocol. Apart from getting rid of theTrace
log-lines which are not very meaningful at this point it does not seek to simplify thefindPeer
logic. The old method is left as is (without the loglines) for reference and comparison. Simplification of thefindPeerLB
should come as a subsequent iteration.Also, a unit test for the load balancer that checks that
Off
peers don't get iterated over was added (this case was not originally implemented).When reviewing please compare
findPeer
andfindPeerLB
side by side. Since the mechanics of the iterators are a bit different some changes had to be made on how peers are iterated over.