fixes

server/v2/api/grpc/server.go

@@ -85,7 +85,7 @@ func (s *Server[T]) StartCmdFlags() *pflag.FlagSet {
 }
 
 func makeUnknownServiceHandler(handlers map[string]appmodulev2.Handler, querier interface {
-	Query(ctx context.Context, version uint64, msg gogoproto.Message) (gogoproto.Message, error)
+	Query(ctx context.Context, version uint64, msg transaction.Msg) (transaction.Msg, error)
 },
 ) grpc.StreamHandler {
 	getRegistry := sync.OnceValues(gogoproto.MergedRegistry)

server/v2/cometbft/abci_test.go

@@ -675,7 +675,8 @@ func setUpConsensus(t *testing.T, gasLimit uint64, mempool mempool.Mempool[mock.
 	am := appmanager.New(appmanager.Config{
 		ValidateTxGasLimit: gasLimit,
 		QueryGasLimit:      gasLimit,
-		SimulationGasLimit: gasLimit},
+		SimulationGasLimit: gasLimit,
+	},
 		mockStore,
 		s,
 		func(ctx context.Context, src io.Reader, txHandler func(json.RawMessage) error) (store.WriterMap, error) {

server/v2/server_test.go

@@ -18,6 +18,7 @@ import (
 	serverv2 "cosmossdk.io/server/v2"
 	grpc "cosmossdk.io/server/v2/api/grpc"
 	"cosmossdk.io/server/v2/store"
+	storev2 "cosmossdk.io/store/v2"
 )
 
 type mockInterfaceRegistry struct{}
@@ -38,10 +39,15 @@ type mockApp[T transaction.Tx] struct {
 func (*mockApp[T]) QueryHandlers() map[string]appmodulev2.Handler {
 	return map[string]appmodulev2.Handler{}
 }
+
 func (*mockApp[T]) InterfaceRegistry() coreserver.InterfaceRegistry {
 	return &mockInterfaceRegistry{}
 }
 
+func (*mockApp[T]) Store() storev2.RootStore {
+	return nil
+}
+
 func TestServer(t *testing.T) {
 	currentDir, err := os.Getwd()
 	require.NoError(t, err)