fix: Fix bug with cmd query (#112)

* change cmd query

* add query server

x/multi-staking/module.go

@@ -71,13 +71,11 @@ func (AppModuleBasic) GetTxCmd() *cobra.Command {
 }
 
 // GetQueryCmd returns the multi-staking and staking module's root query command.
-func (AppModuleBasic) GetQueryCmd() (queryCmd *cobra.Command) {
-	queryCmd.AddCommand(
-		stakingcli.GetQueryCmd(),
-		cli.GetQueryCmd(),
-	)
+func (AppModuleBasic) GetQueryCmd() *cobra.Command {
+	cmd := stakingcli.GetQueryCmd()
+	cmd.AddCommand(cli.GetQueryCmd())
 
-	return queryCmd
+	return cmd
 }
 
 // AppModule embeds the Cosmos SDK's x/staking AppModule where we only override
@@ -138,6 +136,9 @@ func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sd
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	stakingtypes.RegisterMsgServer(cfg.MsgServer(), multistakingkeeper.NewMsgServerImpl(am.keeper))
 	multistakingtypes.RegisterQueryServer(cfg.QueryServer(), multistakingkeeper.NewQueryServerImpl(am.keeper))
+
+	querier := stakingkeeper.Querier{Keeper: am.sk}
+	stakingtypes.RegisterQueryServer(cfg.QueryServer(), querier)
 }
 
 // InitGenesis initial genesis state for feeabs module