From c91e7af02ad8e680d09ba54842e55b408692d20b Mon Sep 17 00:00:00 2001
From: MSalopek <matija.salopek994@gmail.com>
Date: Thu, 2 May 2024 17:57:50 +0200
Subject: [PATCH] fix!: change ack processing in provider middleware

---
 x/ccv/provider/ibc_middleware.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/x/ccv/provider/ibc_middleware.go b/x/ccv/provider/ibc_middleware.go
index fb4d96890f..fa41d67175 100644
--- a/x/ccv/provider/ibc_middleware.go
+++ b/x/ccv/provider/ibc_middleware.go
@@ -120,7 +120,7 @@ func (im IBCMiddleware) OnRecvPacket(
 	// we know that the IBC transfer succeeded. That entails
 	// that the packet data is valid and can be safely
 	// deserialized without checking errors.
-	if ack.Success() {
+	if ack == nil {
 		// execute the middleware logic only if the sender is a consumer chain
 		consumerID, err := im.keeper.IdentifyConsumerChainIDFromIBCPacket(ctx, packet)
 		if err != nil {