fix!: update gentx val pub key input parsing (#9827)

x/genutil/client/cli/gentx.go

@@ -77,10 +77,9 @@ $ %s gentx my-key-name 1000000stake --home=/path/to/home/dir --keyring-backend=o
 			}
 
 			// read --pubkey, if empty take it from priv_validator.json
-			if val, _ := cmd.Flags().GetString(cli.FlagPubKey); val != "" {
-				err = clientCtx.Codec.UnmarshalJSON([]byte(val), valPubKey)
-				if err != nil {
-					return errors.Wrap(err, "failed to unmarshal consensus node public key")
+			if pkStr, _ := cmd.Flags().GetString(cli.FlagPubKey); pkStr != "" {
+				if err := clientCtx.Codec.UnmarshalInterfaceJSON([]byte(pkStr), &valPubKey); err != nil {
+					return errors.Wrap(err, "failed to unmarshal validator public key")
 				}
 			}
 

x/genutil/client/cli/init_test.go

@@ -46,8 +46,7 @@ func TestInitCmd(t *testing.T) {
 				}
 			},
 			shouldErr: false,
-
-			err: nil,
+			err:       nil,
 		},
 	}