From 19eaac3ba495001c3fecfb2888d2cbe52f76af35 Mon Sep 17 00:00:00 2001
From: Marko <marbar3778@yahoo.com>
Date: Mon, 23 Oct 2023 15:33:48 +0200
Subject: [PATCH] fix(authz): check string is not empty (#18209)

---
 x/authz/generic_authorization.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/x/authz/generic_authorization.go b/x/authz/generic_authorization.go
index 4256c5fb1a3b..d543a6b282a6 100644
--- a/x/authz/generic_authorization.go
+++ b/x/authz/generic_authorization.go
@@ -2,6 +2,7 @@ package authz
 
 import (
 	"context"
+	"errors"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/authz"
@@ -26,5 +27,8 @@ func (a GenericAuthorization) Accept(ctx context.Context, msg sdk.Msg) (authz.Ac
 
 // ValidateBasic implements Authorization.ValidateBasic.
 func (a GenericAuthorization) ValidateBasic() error {
+	if a.Msg == "" {
+		return errors.New("msg type cannot be empty")
+	}
 	return nil
 }