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refactor(trie): extract save_account_branches closure to method4 #573

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refactor(trie): extract save_account_branches closure to method4 #573

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24 changes: 14 additions & 10 deletions crates/optimism/trie/src/backfill.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,19 @@ async fn backfill<
Ok(total_entries)
}

/// Save account branches to storage.
async fn save_account_branches<S: OpProofsStore>(
storage: &S,
entries: Vec<(StoredNibbles, BranchNodeCompact)>,
) -> Result<(), OpProofsStorageError> {
storage
.store_account_branches(
entries.into_iter().map(|(path, branch)| (path.0, Some(branch))).collect(),
)
.await?;
Ok(())
}

impl<'a, Tx: DbTx, S: OpProofsStore + Send> BackfillJob<'a, Tx, S> {
/// Create a new backfill job.
pub const fn new(storage: S, tx: &'a Tx) -> Self {
Expand Down Expand Up @@ -297,21 +310,12 @@ impl<'a, Tx: DbTx, S: OpProofsStore + Send> BackfillJob<'a, Tx, S> {

let source = AccountsTrieIter::new(start_cursor);
let storage = &self.storage;
let save_fn = async |entries: Vec<(StoredNibbles, BranchNodeCompact)>| -> Result<(), OpProofsStorageError> {
storage
.store_account_branches(
entries.into_iter().map(|(path, branch)| (path.0, Some(branch))).collect(),
)
.await?;
Ok(())
};

backfill(
"accounts trie",
source,
BACKFILL_STORAGE_THRESHOLD,
BACKFILL_LOG_THRESHOLD,
save_fn,
|entries| save_account_branches(storage, entries),
)
.await?;

Expand Down
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