dedups gossip addresses, keeping only the one with the highest weight
In order to avoid traffic congestion or sending duplicate packets, when
sampling gossip nodes if several nodes have the same gossip address
(because they are behind a relayer or whatever), they need to be
deduplicated into one.
This commit adds CrdsEntry trait which allows generic lookups into crds
table. For example to get ContactInfo or LowestSlot associated with a
Pubkey, the lookup code would be respectively:
crds.get::<&ContactInfo>(pubkey)
crds.get::<&LowestSlot>(pubkey)
push_lowest_slot cannot sign the new crds-value unless the id (pubkey)
argument passed-in is the same pubkey as in ClusterInfo::keypair(), in
which case the id argument is redundant:
https://github.com/solana-labs/solana/blob/bb41cf346/gossip/src/cluster_info.rs#L824-L845
Additionally, the lookup is done with self.id(), but insert is done with
the id argument, which is logically a bug.
* Move gossip modules to solana-gossip
* Update Protocol abi digest due to move
* Move gossip benches and hook up CI
* Remove unneeded Result entries
* Single use statements
behzad nouri
Michael Vines
Justin Starry
Ashwin Sekar
Brooks Prumo
Alexander Meißner
Tyera Eulberg