fix tx response decoding

x/evm/types/codec.go

@@ -1,7 +1,6 @@
 package types
 
 import (
-	"github.com/cosmos/cosmos-sdk/codec"
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
@@ -10,9 +9,8 @@ import (
 	proto "github.com/gogo/protobuf/proto"
 )
 
-var ModuleCdc = codec.NewProtoCodec(codectypes.NewInterfaceRegistry())
-
 type (
+	TxResponse                  interface{}
 	ExtensionOptionsEthereumTxI interface{}
 )
 
@@ -22,15 +20,11 @@ func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 		(*sdk.Msg)(nil),
 		&MsgEthereumTx{},
 	)
-	registry.RegisterInterface(
-		"ethermint.evm.v1.ExtensionOptionsEthereumTx",
-		(*ExtensionOptionsEthereumTxI)(nil),
-		&ExtensionOptionsEthereumTx{},
-	)
 	registry.RegisterImplementations(
 		(*tx.TxExtensionOptionI)(nil),
 		&ExtensionOptionsEthereumTx{},
 	)
+
 	registry.RegisterInterface(
 		"ethermint.evm.v1.TxData",
 		(*TxData)(nil),
@@ -38,6 +32,16 @@ func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 		&AccessListTx{},
 		&LegacyTx{},
 	)
+	registry.RegisterInterface(
+		"ethermint.evm.v1.MsgEthereumTxResponse",
+		(*TxResponse)(nil),
+		&MsgEthereumTxResponse{},
+	)
+	registry.RegisterInterface(
+		"ethermint.evm.v1.ExtensionOptionsEthereumTx",
+		(*ExtensionOptionsEthereumTxI)(nil),
+		&ExtensionOptionsEthereumTx{},
+	)
 
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }

x/evm/types/utils.go

@@ -6,8 +6,8 @@ import (
 
 	"github.com/gogo/protobuf/proto"
 
+	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -18,25 +18,27 @@ const maxBitLen = 256
 var EmptyCodeHash = crypto.Keccak256(nil)
 
 // DecodeTxResponse decodes an protobuf-encoded byte slice into TxResponse
-func DecodeTxResponse(in []byte) (*MsgEthereumTxResponse, error) {
+func DecodeTxResponse(in []byte, cdc codec.Codec) (*MsgEthereumTxResponse, error) {
 	var txMsgData sdk.TxMsgData
-	if err := proto.Unmarshal(in, &txMsgData); err != nil {
+	if err := txMsgData.Unmarshal(in); err != nil {
 		return nil, err
 	}
 
-	data := txMsgData.GetData()
-	if len(data) == 0 {
-		return &MsgEthereumTxResponse{}, nil
+	responses := txMsgData.GetMsgResponses()
+	if len(responses) == 0 {
+		return nil, nil
 	}
 
-	var res MsgEthereumTxResponse
-
-	err := proto.Unmarshal(data[0].GetData(), &res)
-	if err != nil {
-		return nil, sdkerrors.Wrap(err, "failed to unmarshal tx response message data")
+	if err := cdc.UnpackAny(responses[0], new(TxResponse)); err != nil {
+		return nil, fmt.Errorf("failed to unmarshal tx response message: %w", err)
 	}
 
-	return &res, nil
+	msgval := responses[0].GetCachedValue()
+	res, ok := msgval.(*MsgEthereumTxResponse)
+	if !ok {
+		return nil, fmt.Errorf("tx response message has invalid type: %T", msgval)
+	}
+	return res, nil
 }
 
 // EncodeTransactionLogs encodes TransactionLogs slice into a protobuf-encoded byte slice.
@@ -44,16 +46,6 @@ func EncodeTransactionLogs(res *TransactionLogs) ([]byte, error) {
 	return proto.Marshal(res)
 }
 
-// DecodeTxResponse decodes an protobuf-encoded byte slice into TransactionLogs
-func DecodeTransactionLogs(data []byte) (TransactionLogs, error) {
-	var logs TransactionLogs
-	err := proto.Unmarshal(data, &logs)
-	if err != nil {
-		return TransactionLogs{}, err
-	}
-	return logs, nil
-}
-
 // UnwrapEthereumMsg extract MsgEthereumTx from wrapping sdk.Tx
 func UnwrapEthereumMsg(tx *sdk.Tx, ethHash common.Hash) (*MsgEthereumTx, error) {
 	if tx == nil {

x/evm/types/utils_test.go

@@ -5,23 +5,33 @@ import (
 	"math/big"
 	"testing"
 
+	"github.com/stretchr/testify/require"
+
 	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
-	proto "github.com/gogo/protobuf/proto"
+
 	"github.com/tharsis/ethermint/app"
 	"github.com/tharsis/ethermint/encoding"
 	evmtypes "github.com/tharsis/ethermint/x/evm/types"
 
-	"github.com/stretchr/testify/require"
-
 	"github.com/ethereum/go-ethereum/common"
 )
 
+var testCodec codec.Codec
+
+func init() {
+	registry := codectypes.NewInterfaceRegistry()
+	evmtypes.RegisterInterfaces(registry)
+	testCodec = codec.NewProtoCodec(registry)
+}
+
 func TestEvmDataEncoding(t *testing.T) {
 	ret := []byte{0x5, 0x8}
 
-	data := &evmtypes.MsgEthereumTxResponse{
+	resp := &evmtypes.MsgEthereumTxResponse{
 		Hash: common.BytesToHash([]byte("hash")).String(),
 		Logs: []*evmtypes.Log{{
 			Data:        []byte{1, 2, 3, 4},
@@ -30,21 +40,20 @@ func TestEvmDataEncoding(t *testing.T) {
 		Ret: ret,
 	}
 
-	enc, err := proto.Marshal(data)
+	any, err := codectypes.NewAnyWithValue(resp)
 	require.NoError(t, err)
-
 	txData := &sdk.TxMsgData{
-		Data: []*sdk.MsgData{{MsgType: evmtypes.TypeMsgEthereumTx, Data: enc}},
+		MsgResponses: []*codectypes.Any{any},
 	}
 
-	txDataBz, err := proto.Marshal(txData)
+	txDataBz, err := txData.Marshal()
 	require.NoError(t, err)
 
-	res, err := evmtypes.DecodeTxResponse(txDataBz)
+	decoded, err := evmtypes.DecodeTxResponse(txDataBz, testCodec)
 	require.NoError(t, err)
-	require.NotNil(t, res)
-	require.Equal(t, data.Logs, res.Logs)
-	require.Equal(t, ret, res.Ret)
+	require.NotNil(t, decoded)
+	require.Equal(t, resp.Logs, decoded.Logs)
+	require.Equal(t, ret, decoded.Ret)
 }
 
 func TestUnwrapEthererumMsg(t *testing.T) {