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solana
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add another hash check (#15278) 

* add another hash check

* update comment
This commit is contained in:
Jeff Washington (jwash) 2021-02-12 18:35:11 -06:00 committed by GitHub
parent b8448f4189
commit 866ce236b1
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1 changed files with 11 additions and 2 deletions
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13
runtime/src/accounts_background_service.rs
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@ -12,7 +12,7 @@ use crossbeam_channel::{Receiver, SendError, Sender};
use log::*;
use rand::{thread_rng, Rng};
use solana_measure::measure::Measure;
use solana_sdk::clock::Slot;
use solana_sdk::{clock::Slot, hash::Hash};
use std::{
boxed::Box,
fmt::{Debug, Formatter},
@ -91,6 +91,14 @@ impl SnapshotRequestHandler {
status_cache_slot_deltas,
} = snapshot_request;
let previous_hash = if test_hash_calculation {
// We have to use the index version here.
// We cannot calculate the non-index way because cache has not been flushed and stores don't match reality.
snapshot_root_bank.update_accounts_hash_with_index_option(true, false)
} else {
Hash::default()
};
let mut shrink_time = Measure::start("shrink_time");
if !accounts_db_caching_enabled {
snapshot_root_bank
@ -122,9 +130,10 @@ impl SnapshotRequestHandler {
let mut hash_time = Measure::start("hash_time");
const USE_INDEX: bool = true;
snapshot_root_bank
let this_hash = snapshot_root_bank
.update_accounts_hash_with_index_option(USE_INDEX, test_hash_calculation);
let hash_for_testing = if test_hash_calculation {
assert_eq!(previous_hash, this_hash);
Some(snapshot_root_bank.get_accounts_hash())
} else {
None