From a1ae53fbdfb95ba737374684e04151a656115001 Mon Sep 17 00:00:00 2001
From: tersec <tersec@users.noreply.github.com>
Date: Thu, 28 Apr 2022 10:51:49 +0000
Subject: [PATCH] don't always broadcast sync contributions and aggregates on
 Altair topics (#3611)

---
 beacon_chain/networking/eth2_network.nim | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/beacon_chain/networking/eth2_network.nim b/beacon_chain/networking/eth2_network.nim
index 941f32eec..ea9e2125e 100644
--- a/beacon_chain/networking/eth2_network.nim
+++ b/beacon_chain/networking/eth2_network.nim
@@ -2334,12 +2334,14 @@ proc broadcastBeaconBlock*(node: Eth2Node, forked: ForkedSignedBeaconBlock) =
 proc broadcastSyncCommitteeMessage*(
     node: Eth2Node, msg: SyncCommitteeMessage,
     subcommitteeIdx: SyncSubcommitteeIndex) =
-  let topic = getSyncCommitteeTopic(node.forkDigests.altair, subcommitteeIdx)
+  let topic = getSyncCommitteeTopic(
+    node.forkDigestAtEpoch(node.getWallEpoch), subcommitteeIdx)
   node.broadcast(topic, msg)
 
 proc broadcastSignedContributionAndProof*(
     node: Eth2Node, msg: SignedContributionAndProof) =
-  let topic = getSyncCommitteeContributionAndProofTopic(node.forkDigests.altair)
+  let topic = getSyncCommitteeContributionAndProofTopic(
+    node.forkDigestAtEpoch(node.getWallEpoch))
   node.broadcast(topic, msg)
 
 proc broadcastOptimisticLightClientUpdate*(