From 40fcdb8add65d40a994e7514af199c35ef207c42 Mon Sep 17 00:00:00 2001
From: Tpt <thomas.tanon@parity.io>
Date: Mon, 30 Jan 2023 18:08:15 +0100
Subject: [PATCH] IndexTable::find_entry: add assertion bound checking

Allows to avoid a bound check on each `read_entry` call
---
 src/index.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/index.rs b/src/index.rs
index f598209f..16e827d4 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -233,6 +233,7 @@ impl IndexTable {
 
 	#[inline(never)]
 	fn find_entry(&self, key_prefix: u64, sub_index: usize, chunk: &[u8]) -> (Entry, usize) {
+		assert!(chunk.len() >= CHUNK_ENTRIES * 8);
 		let partial_key = Entry::extract_key(key_prefix, self.id.index_bits());
 		for i in sub_index..CHUNK_ENTRIES {
 			let entry = Self::read_entry(chunk, i);