From d14054d73872414e8ee4a4b16551b210f620a83e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bart=C5=82omiej=20Kami=C5=84ski?= <bart@casperlabs.io>
Date: Thu, 19 Sep 2024 19:10:32 +0300
Subject: [PATCH] Do not notify consensus about historical blocks

---
 node/src/reactor/main_reactor.rs | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/node/src/reactor/main_reactor.rs b/node/src/reactor/main_reactor.rs
index b1893acbf9..b18b6fb784 100644
--- a/node/src/reactor/main_reactor.rs
+++ b/node/src/reactor/main_reactor.rs
@@ -1553,21 +1553,9 @@ impl MainReactor {
                         ),
                     ));
                 }
-                MetaBlock::Historical(historical_meta_block) => {
-                    // Header type is the same for now so we can use the same `BlockAdded` event;
-                    // When the header will be versioned, a new event will be needed for the
-                    // consensus component.
-                    effects.extend(reactor::wrap_effects(
-                        MainEvent::Consensus,
-                        self.consensus.handle_event(
-                            effect_builder,
-                            rng,
-                            consensus::Event::BlockAdded {
-                                header: Box::new(historical_meta_block.block.clone_header()),
-                                header_hash: *historical_meta_block.block.hash(),
-                            },
-                        ),
-                    ));
+                MetaBlock::Historical(_historical_meta_block) => {
+                    // Historical meta blocks aren't of interest to consensus - consensus only
+                    // cares about new blocks. Hence, we can just do nothing here.
                 }
             }
         }