25078d46ba
* filters out inactive nodes from push options
https://github.com/solana-labs/solana/pull/12620
patched the DDOS issue with nodes which go offline:
https://github.com/solana-labs/solana/issues/12409
However, offline nodes still see (much lesser) traffic spike, likely
because no origins are pruned from their bloom filter in active set:
https://github.com/solana-labs/solana/blob/aaf3790d8/core/src/crds_gossip_push.rs#L276-L286
and so multiple nodes push redundant duplicate messages to them
simultaneously:
https://github.com/solana-labs/solana/blob/aaf3790d8/core/src/crds_gossip_push.rs#L254-L255
This commit will filter out inactive peers from potential push targets
entirely. To mitigate eclipse attacks, staked nodes are retried
periodically.
* uses current timestamp in test/crds_gossip
(cherry picked from commit a5c6a78f6d)
Co-authored-by: behzad nouri <behzadnouri@gmail.com>