From b44fff4dd0889f050df62957c752b24f140e96f9 Mon Sep 17 00:00:00 2001
From: Alexey Shekhirin <a.shekhirin@gmail.com>
Date: Wed, 2 Oct 2024 14:51:41 +0300
Subject: [PATCH] feat(chain-state): notify about new safe/finalized only if
 modified (#11383)

---
 crates/chain-state/src/chain_info.rs | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/crates/chain-state/src/chain_info.rs b/crates/chain-state/src/chain_info.rs
index f01d472719..d9e2c03e27 100644
--- a/crates/chain-state/src/chain_info.rs
+++ b/crates/chain-state/src/chain_info.rs
@@ -112,15 +112,25 @@ impl ChainInfoTracker {
 
     /// Sets the safe header of the chain.
     pub fn set_safe(&self, header: SealedHeader) {
-        self.inner.safe_block.send_modify(|h| {
-            let _ = h.replace(header);
+        self.inner.safe_block.send_if_modified(|current_header| {
+            if current_header.as_ref().map(SealedHeader::hash) != Some(header.hash()) {
+                let _ = current_header.replace(header);
+                return true
+            }
+
+            false
         });
     }
 
     /// Sets the finalized header of the chain.
     pub fn set_finalized(&self, header: SealedHeader) {
-        self.inner.finalized_block.send_modify(|h| {
-            let _ = h.replace(header);
+        self.inner.finalized_block.send_if_modified(|current_header| {
+            if current_header.as_ref().map(SealedHeader::hash) != Some(header.hash()) {
+                let _ = current_header.replace(header);
+                return true
+            }
+
+            false
         });
     }