From 4615b515683aaa6b6fe175d5a5cdffddb4d5f230 Mon Sep 17 00:00:00 2001
From: Sasha <118575614+weboko@users.noreply.github.com>
Date: Fri, 5 May 2023 18:26:54 +0200
Subject: [PATCH] feath: use sha256 for Relay msgIdFn (#1322)

---
 nwaku                                | 1 +
 packages/core/src/lib/relay/index.ts | 2 ++
 2 files changed, 3 insertions(+)
 create mode 160000 nwaku

diff --git a/nwaku b/nwaku
new file mode 160000
index 0000000000..03f0de365c
--- /dev/null
+++ b/nwaku
@@ -0,0 +1 @@
+Subproject commit 03f0de365cfee3a946257a6ce8a61fe19284976c
diff --git a/packages/core/src/lib/relay/index.ts b/packages/core/src/lib/relay/index.ts
index c1138ca3b3..4ec9b62375 100644
--- a/packages/core/src/lib/relay/index.ts
+++ b/packages/core/src/lib/relay/index.ts
@@ -8,6 +8,7 @@ import type { PeerIdStr, TopicStr } from "@chainsafe/libp2p-gossipsub/types";
 import { SignaturePolicy } from "@chainsafe/libp2p-gossipsub/types";
 import type { Libp2p } from "@libp2p/interface-libp2p";
 import type { PubSub } from "@libp2p/interface-pubsub";
+import { sha256 } from "@noble/hashes/sha256";
 import type {
   ActiveSubscriptions,
   Callback,
@@ -228,6 +229,7 @@ export function wakuGossipSub(
   return (components: GossipSubComponents) => {
     init = {
       ...init,
+      msgIdFn: ({ data }) => sha256(data),
       // Ensure that no signature is included nor expected in the messages.
       globalSignaturePolicy: SignaturePolicy.StrictNoSign,
       fallbackToFloodsub: false,