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filters for recent contact-infos when checking for live stake (#19204)

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Contact-infos are saved to disk:
https://github.com/solana-labs/solana/blob/9dfeee299/gossip/src/cluster_info.rs#L1678-L1683

and restored on validator start-up:
https://github.com/solana-labs/solana/blob/9dfeee299/core/src/validator.rs#L450

Staked nodes entries will not expire until an epoch after. So when the
validator checks for online stake it is erroneously picking up
contact-infos restored from disk, which breaks the entire
wait-for-supermajority logic:
https://github.com/solana-labs/solana/blob/9dfeee299/core/src/validator.rs#L1515-L1561

This commit adds an extra check for the age of contact-info entries and
filters out old ones.
This commit is contained in:
behzad nouri
2021-08-13 12:12:40 +00:00
committed by GitHub
parent 0e0022d9ff
commit 7a789e0763
2 changed files with 107 additions and 92 deletions
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2
gossip/src/gossip_service.rs
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@ -265,7 +265,7 @@ fn spy(
.into_iter()
.map(|x| x.0)
.collect::<Vec<_>>();
tvu_peers = spy_ref.all_tvu_peers().into_iter().collect::<Vec<_>>();
tvu_peers = spy_ref.all_tvu_peers();
let found_node_by_pubkey = if let Some(pubkey) = find_node_by_pubkey {
all_peers.iter().any(|x| x.id == pubkey)