From 839cf0c6cdf9febbb5836c7ef79b6f9befb27b5f Mon Sep 17 00:00:00 2001
From: Sebastian Kunert <skunert49@gmail.com>
Date: Tue, 18 Jul 2023 17:05:40 +0200
Subject: [PATCH] Make trie-cache resettable from backend (#14516)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* Add ability to reset trie-cache

* comment

* Update client/db/src/lib.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

---------

Co-authored-by: Bastian Köcher <git@kchr.de>
---
 client/db/src/lib.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/client/db/src/lib.rs b/client/db/src/lib.rs
index 69d8d8cfc3229..21a03582ca744 100644
--- a/client/db/src/lib.rs
+++ b/client/db/src/lib.rs
@@ -1124,6 +1124,13 @@ impl<Block: BlockT> Backend<Block> {
 		Self::from_database(db as Arc<_>, canonicalization_delay, &db_config, needs_init)
 	}
 
+	/// Reset the shared trie cache.
+	pub fn reset_trie_cache(&self) {
+		if let Some(cache) = &self.shared_trie_cache {
+			cache.reset();
+		}
+	}
+
 	/// Create new memory-backed client backend for tests.
 	#[cfg(any(test, feature = "test-helpers"))]
 	pub fn new_test(blocks_pruning: u32, canonicalization_delay: u64) -> Self {