From aa55e5056f2d1b783674f86a5c1956556926ac9a Mon Sep 17 00:00:00 2001
From: beer-1 <147697694+beer-1@users.noreply.github.com>
Date: Tue, 23 Apr 2024 13:18:15 +0900
Subject: [PATCH] add error handling

---
 x/ophost/keeper/msg_server.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/x/ophost/keeper/msg_server.go b/x/ophost/keeper/msg_server.go
index 11e38022..bd08182c 100644
--- a/x/ophost/keeper/msg_server.go
+++ b/x/ophost/keeper/msg_server.go
@@ -196,7 +196,9 @@ func (ms MsgServer) DeleteOutput(ctx context.Context, req *types.MsgDeleteOutput
 	}
 
 	// rollback next output index to the deleted output index
-	ms.NextOutputIndexes.Set(ctx, bridgeId, outputIndex)
+	if err := ms.NextOutputIndexes.Set(ctx, bridgeId, outputIndex); err != nil {
+		return nil, err
+	}
 
 	sdk.UnwrapSDKContext(ctx).EventManager().EmitEvent(sdk.NewEvent(
 		types.EventTypeDeleteOutput,