8000 sweat: update prefetcher for record_batch_for_hold by nagisa · Pull Request #11338 · near/nearcore · GitHub
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sweat: update prefetcher for record_batch_for_hold #11338

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Merged
merged 1 commit into from
May 17, 2024
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sweat: update prefetcher for record_batch_for_hold #11338

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19 changes: 9 additions & 10 deletions runtime/runtime/src/prefetch.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@
//! in the prefetcher. Implementation details for most limits are in
//! `core/store/src/trie/prefetching_trie_storage.rs`

use borsh::BorshSerialize as _;
use near_o11y::metrics::prometheus;
use near_o11y::metrics::prometheus::core::GenericCounter;
use near_primitives::receipt::{Receipt, ReceiptEnum};
Expand Down Expand Up @@ -306,16 +307,14 @@ impl TriePrefetcher {
return Ok(());
};
for tuple in list.iter() {
let Some(tuple) = tuple.as_array() else {
continue;
};
let Some(user_account) = tuple.first().and_then(|a| a.as_str()) else {
continue;
};
// Unique prefix of underlying data structure.
let mut key = vec![0, 64, 0, 0, 0];
key.extend(user_account.as_bytes());
let trie_key = TrieKey::ContractData { account_id: account_id.clone(), key };
let Some(tuple) = tuple.as_array() else { continue };
let Some(user_account) = tuple.first().and_then(|a| a.as_str()) else { continue };
let mut account_data_key = Vec::with_capacity(4 + 8 + user_account.len());
// (branch v2) StorageKey::Accounts = 4u8
let Ok(()) = 4u8.serialize(&mut account_data_key) else { continue };
let Ok(()) = user_account.serialize(&mut account_data_key) else { continue };
let trie_key =
TrieKey::ContractData { account_id: account_id.clone(), key: account_data_key };
near_o11y::io_trace!(count: "prefetch");
self.prefetch_trie_key(trie_key)?;
}
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