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Warp timestamp and extend max-allowable-drift for accommodate slow blocks (#15204)

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* Remove timestamp_correction feature gating

* Remove timestamp_bounding feature gating

* Remove unused deprecated ledger code

* Remove unused deprecated unbounded-timestamp code

* Enable independent adjustment of fast/slow timestamp bounding

* Update timestamp bounds to 25% fast, 80% slow; warp timestamp

* Update bank hash test

* Add PR number to feature

Co-authored-by: Michael Vines <mvines@gmail.com>

Co-authored-by: Michael Vines <mvines@gmail.com>
This commit is contained in:
Tyera Eulberg
2021-02-09 15:49:00 -07:00
committed by GitHub
parent 2758588ddd
commit da6753b8c0
7 changed files with 516 additions and 928 deletions
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22
core/src/cache_block_time_service.rs
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@ -2,9 +2,7 @@ use crossbeam_channel::{Receiver, RecvTimeoutError, Sender};
use solana_ledger::blockstore::Blockstore;
use solana_measure::measure::Measure;
use solana_runtime::bank::Bank;
use solana_sdk::{feature_set, timing::slot_duration_from_slots_per_year};
use std::{
collections::HashMap,
sync::{
atomic::{AtomicBool, Ordering},
Arc,
@ -60,24 +58,8 @@ impl CacheBlockTimeService {
}
fn cache_block_time(bank: Arc<Bank>, blockstore: &Arc<Blockstore>) {
if bank
.feature_set
.is_active(&feature_set::timestamp_correction::id())
{
if let Err(e) = blockstore.cache_block_time(bank.slot(), bank.clock().unix_timestamp) {
error!("cache_block_time failed: slot {:?} {:?}", bank.slot(), e);
}
} else {
let slot_duration = slot_duration_from_slots_per_year(bank.slots_per_year());
let epoch = bank.epoch_schedule().get_epoch(bank.slot());
let stakes = HashMap::new();
let stakes = bank.epoch_vote_accounts(epoch).unwrap_or(&stakes);
if let Err(e) =
blockstore.cache_block_time_from_slot_entries(bank.slot(), slot_duration, stakes)
{
error!("cache_block_time failed: slot {:?} {:?}", bank.slot(), e);
}
if let Err(e) = blockstore.cache_block_time(bank.slot(), bank.clock().unix_timestamp) {
error!("cache_block_time failed: slot {:?} {:?}", bank.slot(), e);
}
}