Fix tests

baseapp/baseapp_test.go

@@ -3,12 +3,13 @@ package baseapp
 import (
 	"bytes"
 	"encoding/binary"
-	"encoding/json"
 	"fmt"
 	"os"
+	"strings"
 	"sync"
 	"testing"
 
+	"github.com/gogo/protobuf/jsonpb"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
@@ -937,7 +938,7 @@ func TestSimulateTx(t *testing.T) {
 		require.True(t, queryResult.IsOK(), queryResult.Log)
 
 		var simRes sdk.SimulationResponse
-		require.NoError(t, json.Unmarshal(queryResult.Value, &simRes))
+		require.NoError(t, jsonpb.Unmarshal(strings.NewReader(string(queryResult.Value)), &simRes))
 
 		require.Equal(t, gInfo, simRes.GasInfo)
 		require.Equal(t, result.Log, simRes.Result.Log)

client/tx/tx.go

@@ -2,11 +2,13 @@ package tx
 
 import (
 	"bufio"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"net/http"
 	"os"
+	"strings"
+
+	"github.com/gogo/protobuf/jsonpb"
 
 	"github.com/cosmos/cosmos-sdk/client/context"
 	"github.com/cosmos/cosmos-sdk/client/flags"
@@ -277,7 +279,7 @@ func CalculateGas(
 	}
 
 	var simRes sdk.SimulationResponse
-	if err := json.Unmarshal(bz, &simRes); err != nil {
+	if err := jsonpb.Unmarshal(strings.NewReader(string(bz)), &simRes); err != nil {
 		return sdk.SimulationResponse{}, 0, err
 	}
 

client/tx/tx_test.go

@@ -1,13 +1,13 @@
 package tx_test
 
 import (
-	"encoding/json"
 	"errors"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 
 	"github.com/cosmos/cosmos-sdk/client/tx"
+	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/codec/std"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/auth"
@@ -20,12 +20,12 @@ func TestCalculateGas(t *testing.T) {
 			if wantErr {
 				return nil, 0, errors.New("query failed")
 			}
-			simRes := sdk.SimulationResponse{
+			simRes := &sdk.SimulationResponse{
 				GasInfo: sdk.GasInfo{GasUsed: gasUsed, GasWanted: gasUsed},
 				Result:  &sdk.Result{Data: []byte("tx data"), Log: "log"},
 			}
 
-			bz, err := json.Marshal(simRes)
+			bz, err := codec.ProtoMarshalJSON(simRes)
 			if err != nil {
 				return nil, 0, err
 			}