From 56440a82e920d81915a4c9b831a4873eff721b13 Mon Sep 17 00:00:00 2001
From: Enrico Del Fante <enrico.delfante@consensys.net>
Date: Thu, 24 Oct 2024 19:50:19 +0200
Subject: [PATCH] Tiny `getTopic` optimization (#8776)

---
 .../gossip/topics/topichandlers/Eth2TopicHandler.java  | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/networking/eth2/src/main/java/tech/pegasys/teku/networking/eth2/gossip/topics/topichandlers/Eth2TopicHandler.java b/networking/eth2/src/main/java/tech/pegasys/teku/networking/eth2/gossip/topics/topichandlers/Eth2TopicHandler.java
index fd0f90dc8c4..27b3fcd59a3 100644
--- a/networking/eth2/src/main/java/tech/pegasys/teku/networking/eth2/gossip/topics/topichandlers/Eth2TopicHandler.java
+++ b/networking/eth2/src/main/java/tech/pegasys/teku/networking/eth2/gossip/topics/topichandlers/Eth2TopicHandler.java
@@ -50,12 +50,12 @@ public class Eth2TopicHandler<MessageT extends SszData> implements TopicHandler
   private final OperationProcessor<MessageT> processor;
   private final GossipEncoding gossipEncoding;
   private final Bytes4 forkDigest;
-  private final String topicName;
   private final SszSchema<MessageT> messageType;
   private final Eth2PreparedGossipMessageFactory preparedGossipMessageFactory;
   private final OperationMilestoneValidator<MessageT> forkValidator;
   private final NetworkingSpecConfig networkingConfig;
   private final DebugDataDumper debugDataDumper;
+  private final String topic;
 
   public Eth2TopicHandler(
       final RecentChainData recentChainData,
@@ -72,7 +72,6 @@ public Eth2TopicHandler(
     this.processor = processor;
     this.gossipEncoding = gossipEncoding;
     this.forkDigest = forkDigest;
-    this.topicName = topicName;
     this.messageType = messageType;
     this.forkValidator = forkValidator;
     this.networkingConfig = networkingConfig;
@@ -80,6 +79,7 @@ public Eth2TopicHandler(
         gossipEncoding.createPreparedGossipMessageFactory(
             recentChainData::getMilestoneByForkDigest);
     this.debugDataDumper = debugDataDumper;
+    this.topic = GossipTopics.getTopic(forkDigest, topicName, gossipEncoding);
   }
 
   public Eth2TopicHandler(
@@ -159,10 +159,6 @@ private void processMessage(
     }
   }
 
-  private String getTopicName() {
-    return topicName;
-  }
-
   private SszSchema<MessageT> getMessageType() {
     return messageType;
   }
@@ -214,7 +210,7 @@ public OperationProcessor<MessageT> getProcessor() {
   }
 
   public String getTopic() {
-    return GossipTopics.getTopic(getForkDigest(), getTopicName(), getGossipEncoding());
+    return topic;
   }
 
   public GossipEncoding getGossipEncoding() {