From 5d9c02d7c0f17271bb4d7ee0055c09371c9907ad Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Sat, 31 Aug 2024 18:48:38 +0200
Subject: [PATCH] fix(x/consensus)!: update cons params parsing checks
 (backport #21484) (#21492)

---
 x/consensus/keeper/keeper.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/x/consensus/keeper/keeper.go b/x/consensus/keeper/keeper.go
index 958d50072c..77de268293 100644
--- a/x/consensus/keeper/keeper.go
+++ b/x/consensus/keeper/keeper.go
@@ -120,6 +120,10 @@ func (k Keeper) paramCheck(ctx context.Context, consensusParams cmtproto.Consens
 
 	paramsProto, err := k.ParamsStore.Get(ctx)
 	if err == nil {
+		// initialize version params with zero value if not set
+		if paramsProto.Version == nil {
+			paramsProto.Version = &cmtproto.VersionParams{}
+		}
 		params = cmttypes.ConsensusParamsFromProto(paramsProto)
 	} else if errors.Is(err, collections.ErrNotFound) {
 		params = cmttypes.ConsensusParams{}