refactor: updated to ante handlers support

app/ante/ante.go

@@ -0,0 +1,103 @@
+package ante
+
+import (
+	"fmt"
+	"runtime/debug"
+
+	tmlog "github.com/tendermint/tendermint/libs/log"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	"github.com/cosmos/cosmos-sdk/types/tx/signing"
+	authante "github.com/cosmos/cosmos-sdk/x/auth/ante"
+	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+
+	"github.com/tharsis/ethermint/crypto/ethsecp256k1"
+)
+
+const (
+	secp256k1VerifyCost uint64 = 21000
+)
+
+// NewAnteHandler returns an ante handler responsible for attempting to route an
+// Ethereum or SDK transaction to an internal ante handler for performing
+// transaction-level processing (e.g. fee payment, signature verification) before
+// being passed onto it's respective handler.
+func NewAnteHandler(options HandlerOptions) sdk.AnteHandler {
+	return func(
+		ctx sdk.Context, tx sdk.Tx, sim bool,
+	) (newCtx sdk.Context, err error) {
+		var anteHandler sdk.AnteHandler
+
+		defer Recover(ctx.Logger(), &err)
+
+		txWithExtensions, ok := tx.(authante.HasExtensionOptionsTx)
+		if ok {
+			opts := txWithExtensions.GetExtensionOptions()
+			if len(opts) > 0 {
+				switch typeURL := opts[0].GetTypeUrl(); typeURL {
+				case "/ethermint.evm.v1.ExtensionOptionsEthereumTx":
+					// handle as *evmtypes.MsgEthereumTx
+					anteHandler = newEthAnteHandler(options)
+				case "/ethermint.types.v1.ExtensionOptionsWeb3Tx":
+					// handle as normal Cosmos SDK tx, except signature is checked for EIP712 representation
+					anteHandler = newCosmosAnteHandlerEip712(options)
+				default:
+					return ctx, sdkerrors.Wrapf(
+						sdkerrors.ErrUnknownExtensionOptions,
+						"rejecting tx with unsupported extension option: %s", typeURL,
+					)
+				}
+
+				return anteHandler(ctx, tx, sim)
+			}
+		}
+
+		// handle as totally normal Cosmos SDK tx
+		switch tx.(type) {
+		case sdk.Tx:
+			anteHandler = newCosmosAnteHandler(options)
+		default:
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid transaction type: %T", tx)
+		}
+
+		return anteHandler(ctx, tx, sim)
+	}
+}
+
+func Recover(logger tmlog.Logger, err *error) {
+	if r := recover(); r != nil {
+		*err = sdkerrors.Wrapf(sdkerrors.ErrPanic, "%v", r)
+
+		if e, ok := r.(error); ok {
+			logger.Error(
+				"ante handler panicked",
+				"error", e,
+				"stack trace", string(debug.Stack()),
+			)
+		} else {
+			logger.Error(
+				"ante handler panicked",
+				"recover", fmt.Sprintf("%v", r),
+			)
+		}
+	}
+}
+
+var _ authante.SignatureVerificationGasConsumer = DefaultSigVerificationGasConsumer
+
+// DefaultSigVerificationGasConsumer is the default implementation of SignatureVerificationGasConsumer. It consumes gas
+// for signature verification based upon the public key type. The cost is fetched from the given params and is matched
+// by the concrete type.
+func DefaultSigVerificationGasConsumer(
+	meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params,
+) error {
+	// support for ethereum ECDSA secp256k1 keys
+	_, ok := sig.PubKey.(*ethsecp256k1.PubKey)
+	if ok {
+		meter.ConsumeGas(secp256k1VerifyCost, "ante verify: eth_secp256k1")
+		return nil
+	}
+
+	return authante.DefaultSigVerificationGasConsumer(meter, sig, params)
+}

app/ante/ante_test.go

@@ -1,13 +1,10 @@
-package middleware_test
+package ante_test
 
 import (
+	"github.com/cosmos/cosmos-sdk/types/tx/signing"
 	"math/big"
 	"strings"
 
-	"github.com/cosmos/cosmos-sdk/types/tx"
-	txtypes "github.com/cosmos/cosmos-sdk/types/tx"
-	"github.com/cosmos/cosmos-sdk/types/tx/signing"
-
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
 	"github.com/ethereum/go-ethereum/core/types"
@@ -16,7 +13,7 @@ import (
 	evmtypes "github.com/tharsis/ethermint/x/evm/types"
 )
 
-func (suite MiddlewareTestSuite) TestAnteHandler() {
+func (suite AnteTestSuite) TestAnteHandler() {
 	suite.enableFeemarket = false
 	suite.SetupTest() // reset
 
@@ -300,7 +297,7 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 			"success - DeliverTx EIP712 signed Cosmos Tx with MsgSend",
 			func() sdk.Tx {
 				from := acc.GetAddress()
-				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(200000)))
+				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(20)))
 				gas := uint64(200000)
 				txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9000-1", gas, amount)
 				return txBuilder.GetTx()
@@ -310,7 +307,7 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 			"success - DeliverTx EIP712 signed Cosmos Tx with DelegateMsg",
 			func() sdk.Tx {
 				from := acc.GetAddress()
-				coinAmount := sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(200000))
+				coinAmount := sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(20))
 				amount := sdk.NewCoins(coinAmount)
 				gas := uint64(200000)
 				txBuilder := suite.CreateTestEIP712TxBuilderMsgDelegate(from, privKey, "ethermint_9000-1", gas, amount)
@@ -321,7 +318,7 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 			"fails - DeliverTx EIP712 signed Cosmos Tx with wrong Chain ID",
 			func() sdk.Tx {
 				from := acc.GetAddress()
-				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(200000)))
+				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(20)))
 				gas := uint64(200000)
 				txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9002-1", gas, amount)
 				return txBuilder.GetTx()
@@ -331,7 +328,7 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 			"fails - DeliverTx EIP712 signed Cosmos Tx with different gas fees",
 			func() sdk.Tx {
 				from := acc.GetAddress()
-				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(200000)))
+				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(20)))
 				gas := uint64(200000)
 				txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9001-1", gas, amount)
 				txBuilder.SetGasLimit(uint64(300000))
@@ -343,7 +340,7 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 			"fails - DeliverTx EIP712 signed Cosmos Tx with empty signature",
 			func() sdk.Tx {
 				from := acc.GetAddress()
-				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(200000)))
+				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(20)))
 				gas := uint64(200000)
 				txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9001-1", gas, amount)
 				sigsV2 := signing.SignatureV2{}
@@ -355,7 +352,7 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 			"fails - DeliverTx EIP712 signed Cosmos Tx with invalid sequence",
 			func() sdk.Tx {
 				from := acc.GetAddress()
-				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(200000)))
+				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(20)))
 				gas := uint64(200000)
 				txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9001-1", gas, amount)
 				nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress())
@@ -375,7 +372,7 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 			"fails - DeliverTx EIP712 signed Cosmos Tx with invalid signMode",
 			func() sdk.Tx {
 				from := acc.GetAddress()
-				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(200000)))
+				amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(20)))
 				gas := uint64(200000)
 				txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9001-1", gas, amount)
 				nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress())
@@ -398,7 +395,8 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 			suite.ctx = suite.ctx.WithIsCheckTx(tc.checkTx).WithIsReCheckTx(tc.reCheckTx)
 
 			// expConsumed := params.TxGasContractCreation + params.TxGas
-			_, _, err := suite.anteHandler.CheckTx(sdk.WrapSDKContext(suite.ctx), txtypes.Request{Tx: tc.txFn()}, tx.RequestCheckTx{})
+			_, err := suite.anteHandler(suite.ctx, tc.txFn(), false)
+
 			// suite.Require().Equal(consumed, ctx.GasMeter().GasConsumed())
 
 			if tc.expPass {
@@ -411,7 +409,7 @@ func (suite MiddlewareTestSuite) TestAnteHandler() {
 	}
 }
 
-func (suite MiddlewareTestSuite) TestAnteHandlerWithDynamicTxFee() {
+func (suite AnteTestSuite) TestAnteHandlerWithDynamicTxFee() {
 	addr, privKey := tests.NewAddrKey()
 	to := tests.GenerateAddress()
 
@@ -676,7 +674,7 @@ func (suite MiddlewareTestSuite) TestAnteHandlerWithDynamicTxFee() {
 
 			suite.ctx = suite.ctx.WithIsCheckTx(tc.checkTx).WithIsReCheckTx(tc.reCheckTx)
 			suite.app.EvmKeeper.SetBalance(suite.ctx, addr, big.NewInt((ethparams.InitialBaseFee+10)*100000))
-			_, _, err := suite.anteHandler.CheckTx(sdk.WrapSDKContext(suite.ctx), txtypes.Request{Tx: tc.txFn()}, tx.RequestCheckTx{})
+			_, err := suite.anteHandler(suite.ctx, tc.txFn(), false)
 			if tc.expPass {
 				suite.Require().NoError(err)
 			} else {

app/ante/doc.go

@@ -0,0 +1,11 @@
+/*Package ante defines the SDK auth module's AnteHandler as well as an internal
+AnteHandler for an Ethereum transaction (i.e MsgEthereumTx).
+
+During CheckTx, the transaction is passed through a series of
+pre-message execution validation checks such as signature and account
+verification in addition to minimum fees being checked. Otherwise, during
+DeliverTx, the transaction is simply passed to the EVM which will also
+perform the same series of checks. The distinction is made in CheckTx to
+prevent spam and DoS attacks.
+*/
+package ante

app/ante/eip712.go

@@ -1,104 +1,107 @@
-package middleware
+package ante
 
 import (
-	context "context"
 	"fmt"
 
 	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
-	"github.com/cosmos/cosmos-sdk/types/tx"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	"github.com/cosmos/cosmos-sdk/types/tx/signing"
-	"github.com/cosmos/cosmos-sdk/x/auth/middleware"
+	authante "github.com/cosmos/cosmos-sdk/x/auth/ante"
 	"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
 	authsigning "github.com/cosmos/cosmos-sdk/x/auth/signing"
+
 	ethcrypto "github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/crypto/secp256k1"
 	"github.com/tharsis/ethermint/crypto/ethsecp256k1"
 	"github.com/tharsis/ethermint/ethereum/eip712"
 	ethermint "github.com/tharsis/ethermint/types"
-
-	sdk "github.com/cosmos/cosmos-sdk/types"
-	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	evmtypes "github.com/tharsis/ethermint/x/evm/types"
 )
 
-// Eip712SigVerificationMiddleware Verify all signatures for a tx and return an error if any are invalid. Note,
+var ethermintCodec codec.ProtoCodecMarshaler
-// the Eip712SigVerificationMiddleware middleware will not get executed on ReCheck.
+
+func init() {
+	registry := codectypes.NewInterfaceRegistry()
+	ethermint.RegisterInterfaces(registry)
+	ethermintCodec = codec.NewProtoCodec(registry)
+}
+
+// Eip712SigVerificationDecorator Verify all signatures for a tx and return an error if any are invalid. Note,
+// the Eip712SigVerificationDecorator decorator will not get executed on ReCheck.
 //
-// CONTRACT: Pubkeys are set in context for all signers before this middleware runs
+// CONTRACT: Pubkeys are set in context for all signers before this decorator runs
 // CONTRACT: Tx must implement SigVerifiableTx interface
-type Eip712SigVerificationMiddleware struct {
+type Eip712SigVerificationDecorator struct {
-	appCodec        codec.Codec
-	next            tx.Handler
 	ak              evmtypes.AccountKeeper
 	signModeHandler authsigning.SignModeHandler
 }
 
-var _ tx.Handler = Eip712SigVerificationMiddleware{}
+// NewEip712SigVerificationDecorator creates a new Eip712SigVerificationDecorator
-
+func NewEip712SigVerificationDecorator(ak evmtypes.AccountKeeper, signModeHandler authsigning.SignModeHandler) Eip712SigVerificationDecorator {
-// NewEip712SigVerificationMiddleware creates a new Eip712SigVerificationMiddleware
+	return Eip712SigVerificationDecorator{
-func NewEip712SigVerificationMiddleware(appCodec codec.Codec, ak evmtypes.AccountKeeper, signModeHandler authsigning.SignModeHandler) tx.Middleware {
+		ak:              ak,
-	return func(h tx.Handler) tx.Handler {
+		signModeHandler: signModeHandler,
-		return Eip712SigVerificationMiddleware{
-			appCodec:        appCodec,
-			next:            h,
-			ak:              ak,
-			signModeHandler: signModeHandler,
-		}
 	}
 }
 
-func eipSigVerification(svd Eip712SigVerificationMiddleware, cx context.Context, req tx.Request) (tx.Response, error) {
+// AnteHandle handles validation of EIP712 signed cosmos txs.
-	ctx := sdk.UnwrapSDKContext(cx)
+// it is not run on RecheckTx
-	reqTx := req.Tx
+func (svd Eip712SigVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
-
+	// no need to verify signatures on recheck tx
-	sigTx, ok := reqTx.(authsigning.SigVerifiableTx)
+	if ctx.IsReCheckTx() {
-	if !ok {
+		return next(ctx, tx, simulate)
-		return tx.Response{}, sdkerrors.Wrapf(sdkerrors.ErrInvalidType, "tx %T doesn't implement authsigning.SigVerifiableTx", reqTx)
 	}
 
-	authSignTx, ok := reqTx.(authsigning.Tx)
+	sigTx, ok := tx.(authsigning.SigVerifiableTx)
 	if !ok {
-		return tx.Response{}, sdkerrors.Wrapf(sdkerrors.ErrInvalidType, "tx %T doesn't implement the authsigning.Tx interface", reqTx)
+		return ctx, sdkerrors.Wrapf(sdkerrors.ErrInvalidType, "tx %T doesn't implement authsigning.SigVerifiableTx", tx)
+	}
+
+	authSignTx, ok := tx.(authsigning.Tx)
+	if !ok {
+		return ctx, sdkerrors.Wrapf(sdkerrors.ErrInvalidType, "tx %T doesn't implement the authsigning.Tx interface", tx)
 	}
 
 	// stdSigs contains the sequence number, account number, and signatures.
 	// When simulating, this would just be a 0-length slice.
 	sigs, err := sigTx.GetSignaturesV2()
 	if err != nil {
-		return tx.Response{}, err
+		return ctx, err
 	}
 
 	signerAddrs := sigTx.GetSigners()
 
 	// EIP712 allows just one signature
 	if len(sigs) != 1 {
-		return tx.Response{}, sdkerrors.Wrapf(sdkerrors.ErrUnauthorized, "invalid number of signers (%d);  EIP712 signatures allows just one signature", len(sigs))
+		return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnauthorized, "invalid number of signers (%d);  EIP712 signatures allows just one signature", len(sigs))
 	}
 
 	// check that signer length and signature length are the same
 	if len(sigs) != len(signerAddrs) {
-		return tx.Response{}, sdkerrors.Wrapf(sdkerrors.ErrUnauthorized, "invalid number of signer;  expected: %d, got %d", len(signerAddrs), len(sigs))
+		return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnauthorized, "invalid number of signer;  expected: %d, got %d", len(signerAddrs), len(sigs))
 	}
 
 	// EIP712 has just one signature, avoid looping here and only read index 0
 	i := 0
 	sig := sigs[i]
 
-	acc, err := middleware.GetSignerAcc(ctx, svd.ak, signerAddrs[i])
+	acc, err := authante.GetSignerAcc(ctx, svd.ak, signerAddrs[i])
 	if err != nil {
-		return tx.Response{}, err
+		return ctx, err
 	}
 
 	// retrieve pubkey
 	pubKey := acc.GetPubKey()
-	if pubKey == nil {
+	if !simulate && pubKey == nil {
-		return tx.Response{}, sdkerrors.Wrap(sdkerrors.ErrInvalidPubKey, "pubkey on account is not set")
+		return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidPubKey, "pubkey on account is not set")
 	}
 
 	// Check account sequence number.
 	if sig.Sequence != acc.GetSequence() {
-		return tx.Response{}, sdkerrors.Wrapf(
+		return ctx, sdkerrors.Wrapf(
 			sdkerrors.ErrWrongSequence,
 			"account sequence mismatch, expected %d, got %d", acc.GetSequence(), sig.Sequence,
 		)
@@ -119,45 +122,21 @@ func eipSigVerification(svd Eip712SigVerificationMiddleware, cx context.Context,
 		Sequence:      acc.GetSequence(),
 	}
 
-	if err := VerifySignature(svd.appCodec, pubKey, signerData, sig.Data, svd.signModeHandler, authSignTx); err != nil {
+	if simulate {
+		return next(ctx, tx, simulate)
+	}
+
+	if err := VerifySignature(pubKey, signerData, sig.Data, svd.signModeHandler, authSignTx); err != nil {
 		errMsg := fmt.Errorf("signature verification failed; please verify account number (%d) and chain-id (%s): %w", accNum, chainID, err)
-		return tx.Response{}, sdkerrors.Wrap(sdkerrors.ErrUnauthorized, errMsg.Error())
+		return ctx, sdkerrors.Wrap(sdkerrors.ErrUnauthorized, errMsg.Error())
 	}
 
-	return tx.Response{}, nil
+	return next(ctx, tx, simulate)
-}
-
-// CheckTx implements tx.Handler
-func (svd Eip712SigVerificationMiddleware) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	if _, err := eipSigVerification(svd, ctx, req); err != nil {
-		return tx.Response{}, tx.ResponseCheckTx{}, err
-	}
-
-	return svd.next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (svd Eip712SigVerificationMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	if _, err := eipSigVerification(svd, ctx, req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return svd.next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (svd Eip712SigVerificationMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	if _, err := eipSigVerification(svd, ctx, req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return svd.next.SimulateTx(ctx, req)
 }
 
 // VerifySignature verifies a transaction signature contained in SignatureData abstracting over different signing modes
 // and single vs multi-signatures.
 func VerifySignature(
-	appCodec codec.Codec,
 	pubKey cryptotypes.PubKey,
 	signerData authsigning.SignerData,
 	sigData signing.SignatureData,
@@ -200,7 +179,7 @@ func VerifySignature(
 			return sdkerrors.Wrapf(err, "failed to parse chainID: %s", signerData.ChainID)
 		}
 
-		txWithExtensions, ok := tx.(middleware.HasExtensionOptionsTx)
+		txWithExtensions, ok := tx.(authante.HasExtensionOptionsTx)
 		if !ok {
 			return sdkerrors.Wrap(sdkerrors.ErrUnknownExtensionOptions, "tx doesnt contain any extensions")
 		}
@@ -211,7 +190,7 @@ func VerifySignature(
 
 		var optIface ethermint.ExtensionOptionsWeb3TxI
 
-		if err := appCodec.UnpackAny(opts[0], &optIface); err != nil {
+		if err := ethermintCodec.UnpackAny(opts[0], &optIface); err != nil {
 			return sdkerrors.Wrap(err, "failed to proto-unpack ExtensionOptionsWeb3Tx")
 		}
 
@@ -236,7 +215,7 @@ func VerifySignature(
 			FeePayer: feePayer,
 		}
 
-		typedData, err := eip712.WrapTxToTypedData(appCodec, extOpt.TypedDataChainID, msgs[0], txBytes, feeDelegation)
+		typedData, err := eip712.WrapTxToTypedData(ethermintCodec, extOpt.TypedDataChainID, msgs[0], txBytes, feeDelegation)
 		if err != nil {
 			return sdkerrors.Wrap(err, "failed to pack tx data in EIP712 object")
 		}

app/ante/eth.go

@@ -0,0 +1,534 @@
+package ante
+
+import (
+	"errors"
+	"math/big"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	authante "github.com/cosmos/cosmos-sdk/x/auth/ante"
+
+	ethermint "github.com/tharsis/ethermint/types"
+	evmkeeper "github.com/tharsis/ethermint/x/evm/keeper"
+	"github.com/tharsis/ethermint/x/evm/statedb"
+	evmtypes "github.com/tharsis/ethermint/x/evm/types"
+
+	"github.com/ethereum/go-ethereum/common"
+	ethtypes "github.com/ethereum/go-ethereum/core/types"
+)
+
+// EthSigVerificationDecorator validates an ethereum signatures
+type EthSigVerificationDecorator struct {
+	evmKeeper EVMKeeper
+}
+
+// NewEthSigVerificationDecorator creates a new EthSigVerificationDecorator
+func NewEthSigVerificationDecorator(ek EVMKeeper) EthSigVerificationDecorator {
+	return EthSigVerificationDecorator{
+		evmKeeper: ek,
+	}
+}
+
+// AnteHandle validates checks that the registered chain id is the same as the one on the message, and
+// that the signer address matches the one defined on the message.
+// It's not skipped for RecheckTx, because it set `From` address which is critical from other ante handler to work.
+// Failure in RecheckTx will prevent tx to be included into block, especially when CheckTx succeed, in which case user
+// won't see the error message.
+func (esvd EthSigVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
+	chainID := esvd.evmKeeper.ChainID()
+
+	params := esvd.evmKeeper.GetParams(ctx)
+
+	ethCfg := params.ChainConfig.EthereumConfig(chainID)
+	blockNum := big.NewInt(ctx.BlockHeight())
+	signer := ethtypes.MakeSigner(ethCfg, blockNum)
+
+	for _, msg := range tx.GetMsgs() {
+		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
+		if !ok {
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
+		}
+
+		sender, err := signer.Sender(msgEthTx.AsTransaction())
+		if err != nil {
+			return ctx, sdkerrors.Wrapf(
+				sdkerrors.ErrorInvalidSigner,
+				"couldn't retrieve sender address ('%s') from the ethereum transaction: %s",
+				msgEthTx.From,
+				err.Error(),
+			)
+		}
+
+		// set up the sender to the transaction field if not already
+		msgEthTx.From = sender.Hex()
+	}
+
+	return next(ctx, tx, simulate)
+}
+
+// EthAccountVerificationDecorator validates an account balance checks
+type EthAccountVerificationDecorator struct {
+	ak         evmtypes.AccountKeeper
+	bankKeeper evmtypes.BankKeeper
+	evmKeeper  EVMKeeper
+}
+
+// NewEthAccountVerificationDecorator creates a new EthAccountVerificationDecorator
+func NewEthAccountVerificationDecorator(ak evmtypes.AccountKeeper, bankKeeper evmtypes.BankKeeper, ek EVMKeeper) EthAccountVerificationDecorator {
+	return EthAccountVerificationDecorator{
+		ak:         ak,
+		bankKeeper: bankKeeper,
+		evmKeeper:  ek,
+	}
+}
+
+// AnteHandle validates checks that the sender balance is greater than the total transaction cost.
+// The account will be set to store if it doesn't exis, i.e cannot be found on store.
+// This AnteHandler decorator will fail if:
+// - any of the msgs is not a MsgEthereumTx
+// - from address is empty
+// - account balance is lower than the transaction cost
+func (avd EthAccountVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
+	if !ctx.IsCheckTx() {
+		return next(ctx, tx, simulate)
+	}
+
+	for i, msg := range tx.GetMsgs() {
+		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
+		if !ok {
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
+		}
+
+		txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
+		if err != nil {
+			return ctx, sdkerrors.Wrapf(err, "failed to unpack tx data any for tx %d", i)
+		}
+
+		// sender address should be in the tx cache from the previous AnteHandle call
+		from := msgEthTx.GetFrom()
+		if from.Empty() {
+			return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "from address cannot be empty")
+		}
+
+		// check whether the sender address is EOA
+		fromAddr := common.BytesToAddress(from)
+		acct := avd.evmKeeper.GetAccount(ctx, fromAddr)
+
+		if acct == nil {
+			acc := avd.ak.NewAccountWithAddress(ctx, from)
+			avd.ak.SetAccount(ctx, acc)
+			acct = statedb.NewEmptyAccount()
+		} else if acct.IsContract() {
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrInvalidType,
+				"the sender is not EOA: address %s, codeHash <%s>", fromAddr, acct.CodeHash)
+		}
+
+		if err := evmkeeper.CheckSenderBalance(sdk.NewIntFromBigInt(acct.Balance), txData); err != nil {
+			return ctx, sdkerrors.Wrap(err, "failed to check sender balance")
+		}
+
+	}
+	return next(ctx, tx, simulate)
+}
+
+// EthGasConsumeDecorator validates enough intrinsic gas for the transaction and
+// gas consumption.
+type EthGasConsumeDecorator struct {
+	evmKeeper    EVMKeeper
+	maxGasWanted uint64
+}
+
+// NewEthGasConsumeDecorator creates a new EthGasConsumeDecorator
+func NewEthGasConsumeDecorator(
+	evmKeeper EVMKeeper,
+	maxGasWanted uint64,
+) EthGasConsumeDecorator {
+	return EthGasConsumeDecorator{
+		evmKeeper,
+		maxGasWanted,
+	}
+}
+
+// AnteHandle validates that the Ethereum tx message has enough to cover intrinsic gas
+// (during CheckTx only) and that the sender has enough balance to pay for the gas cost.
+//
+// Intrinsic gas for a transaction is the amount of gas that the transaction uses before the
+// transaction is executed. The gas is a constant value plus any cost inccured by additional bytes
+// of data supplied with the transaction.
+//
+// This AnteHandler decorator will fail if:
+// - the message is not a MsgEthereumTx
+// - sender account cannot be found
+// - transaction's gas limit is lower than the intrinsic gas
+// - user doesn't have enough balance to deduct the transaction fees (gas_limit * gas_price)
+// - transaction or block gas meter runs out of gas
+// - sets the gas meter limit
+func (egcd EthGasConsumeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
+	params := egcd.evmKeeper.GetParams(ctx)
+
+	ethCfg := params.ChainConfig.EthereumConfig(egcd.evmKeeper.ChainID())
+
+	blockHeight := big.NewInt(ctx.BlockHeight())
+	homestead := ethCfg.IsHomestead(blockHeight)
+	istanbul := ethCfg.IsIstanbul(blockHeight)
+	london := ethCfg.IsLondon(blockHeight)
+	evmDenom := params.EvmDenom
+	gasWanted := uint64(0)
+	var events sdk.Events
+
+	for _, msg := range tx.GetMsgs() {
+		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
+		if !ok {
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
+		}
+
+		txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
+		if err != nil {
+			return ctx, sdkerrors.Wrap(err, "failed to unpack tx data")
+		}
+
+		if ctx.IsCheckTx() {
+			// We can't trust the tx gas limit, because we'll refund the unused gas.
+			if txData.GetGas() > egcd.maxGasWanted {
+				gasWanted += egcd.maxGasWanted
+			} else {
+				gasWanted += txData.GetGas()
+			}
+		} else {
+			gasWanted += txData.GetGas()
+		}
+
+		fees, err := egcd.evmKeeper.DeductTxCostsFromUserBalance(
+			ctx,
+			*msgEthTx,
+			txData,
+			evmDenom,
+			homestead,
+			istanbul,
+			london,
+		)
+		if err != nil {
+			return ctx, sdkerrors.Wrapf(err, "failed to deduct transaction costs from user balance")
+		}
+
+		events = append(events, sdk.NewEvent(sdk.EventTypeTx, sdk.NewAttribute(sdk.AttributeKeyFee, fees.String())))
+	}
+
+	// TODO: change to typed events
+	ctx.EventManager().EmitEvents(events)
+
+	// TODO: deprecate after https://github.com/cosmos/cosmos-sdk/issues/9514  is fixed on SDK
+	blockGasLimit := ethermint.BlockGasLimit(ctx)
+
+	// NOTE: safety check
+	if blockGasLimit > 0 {
+		// generate a copy of the gas pool (i.e block gas meter) to see if we've run out of gas for this block
+		// if current gas consumed is greater than the limit, this funcion panics and the error is recovered on the Baseapp
+		gasPool := sdk.NewGasMeter(blockGasLimit)
+		gasPool.ConsumeGas(ctx.GasMeter().GasConsumedToLimit(), "gas pool check")
+	}
+
+	// Set ctx.GasMeter with a limit of GasWanted (gasLimit)
+	gasConsumed := ctx.GasMeter().GasConsumed()
+	ctx = ctx.WithGasMeter(ethermint.NewInfiniteGasMeterWithLimit(gasWanted))
+	ctx.GasMeter().ConsumeGas(gasConsumed, "copy gas consumed")
+
+	// we know that we have enough gas on the pool to cover the intrinsic gas
+	return next(ctx, tx, simulate)
+}
+
+// CanTransferDecorator checks if the sender is allowed to transfer funds according to the EVM block
+// context rules.
+type CanTransferDecorator struct {
+	evmKeeper EVMKeeper
+}
+
+// NewCanTransferDecorator creates a new CanTransferDecorator instance.
+func NewCanTransferDecorator(evmKeeper EVMKeeper) CanTransferDecorator {
+	return CanTransferDecorator{
+		evmKeeper: evmKeeper,
+	}
+}
+
+// AnteHandle creates an EVM from the message and calls the BlockContext CanTransfer function to
+// see if the address can execute the transaction.
+func (ctd CanTransferDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
+	params := ctd.evmKeeper.GetParams(ctx)
+	ethCfg := params.ChainConfig.EthereumConfig(ctd.evmKeeper.ChainID())
+	signer := ethtypes.MakeSigner(ethCfg, big.NewInt(ctx.BlockHeight()))
+
+	for _, msg := range tx.GetMsgs() {
+		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
+		if !ok {
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
+		}
+
+		baseFee := ctd.evmKeeper.BaseFee(ctx, ethCfg)
+
+		coreMsg, err := msgEthTx.AsMessage(signer, baseFee)
+		if err != nil {
+			return ctx, sdkerrors.Wrapf(
+				err,
+				"failed to create an ethereum core.Message from signer %T", signer,
+			)
+		}
+
+		// NOTE: pass in an empty coinbase address and nil tracer as we don't need them for the check below
+		cfg := &evmtypes.EVMConfig{
+			ChainConfig: ethCfg,
+			Params:      params,
+			CoinBase:    common.Address{},
+			BaseFee:     baseFee,
+		}
+		stateDB := statedb.New(ctx, ctd.evmKeeper, statedb.NewEmptyTxConfig(common.BytesToHash(ctx.HeaderHash().Bytes())))
+		evm := ctd.evmKeeper.NewEVM(ctx, coreMsg, cfg, evmtypes.NewNoOpTracer(), stateDB)
+
+		// check that caller has enough balance to cover asset transfer for **topmost** call
+		// NOTE: here the gas consumed is from the context with the infinite gas meter
+		if coreMsg.Value().Sign() > 0 && !evm.Context.CanTransfer(stateDB, coreMsg.From(), coreMsg.Value()) {
+			return ctx, sdkerrors.Wrapf(
+				sdkerrors.ErrInsufficientFunds,
+				"failed to transfer %s from address %s using the EVM block context transfer function",
+				coreMsg.Value(),
+				coreMsg.From(),
+			)
+		}
+
+		if evmtypes.IsLondon(ethCfg, ctx.BlockHeight()) {
+			if baseFee == nil {
+				return ctx, sdkerrors.Wrap(
+					evmtypes.ErrInvalidBaseFee,
+					"base fee is supported but evm block context value is nil",
+				)
+			}
+			if coreMsg.GasFeeCap().Cmp(baseFee) < 0 {
+				return ctx, sdkerrors.Wrapf(
+					sdkerrors.ErrInsufficientFee,
+					"max fee per gas less than block base fee (%s < %s)",
+					coreMsg.GasFeeCap(), baseFee,
+				)
+			}
+		}
+	}
+
+	return next(ctx, tx, simulate)
+}
+
+// EthIncrementSenderSequenceDecorator increments the sequence of the signers.
+type EthIncrementSenderSequenceDecorator struct {
+	ak evmtypes.AccountKeeper
+}
+
+// NewEthIncrementSenderSequenceDecorator creates a new EthIncrementSenderSequenceDecorator.
+func NewEthIncrementSenderSequenceDecorator(ak evmtypes.AccountKeeper) EthIncrementSenderSequenceDecorator {
+	return EthIncrementSenderSequenceDecorator{
+		ak: ak,
+	}
+}
+
+// AnteHandle handles incrementing the sequence of the signer (i.e sender). If the transaction is a
+// contract creation, the nonce will be incremented during the transaction execution and not within
+// this AnteHandler decorator.
+func (issd EthIncrementSenderSequenceDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
+	for _, msg := range tx.GetMsgs() {
+		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
+		if !ok {
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
+		}
+
+		txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
+		if err != nil {
+			return ctx, sdkerrors.Wrap(err, "failed to unpack tx data")
+		}
+
+		// increase sequence of sender
+		acc := issd.ak.GetAccount(ctx, msgEthTx.GetFrom())
+		if acc == nil {
+			return ctx, sdkerrors.Wrapf(
+				sdkerrors.ErrUnknownAddress,
+				"account %s is nil", common.BytesToAddress(msgEthTx.GetFrom().Bytes()),
+			)
+		}
+		nonce := acc.GetSequence()
+
+		// we merged the nonce verification to nonce increment, so when tx includes multiple messages
+		// with same sender, they'll be accepted.
+		if txData.GetNonce() != nonce {
+			return ctx, sdkerrors.Wrapf(
+				sdkerrors.ErrInvalidSequence,
+				"invalid nonce; got %d, expected %d", txData.GetNonce(), nonce,
+			)
+		}
+
+		if err := acc.SetSequence(nonce + 1); err != nil {
+			return ctx, sdkerrors.Wrapf(err, "failed to set sequence to %d", acc.GetSequence()+1)
+		}
+
+		issd.ak.SetAccount(ctx, acc)
+	}
+
+	return next(ctx, tx, simulate)
+}
+
+// EthValidateBasicDecorator is adapted from ValidateBasicDecorator from cosmos-sdk, it ignores ErrNoSignatures
+type EthValidateBasicDecorator struct {
+	evmKeeper EVMKeeper
+}
+
+// NewEthValidateBasicDecorator creates a new EthValidateBasicDecorator
+func NewEthValidateBasicDecorator(ek EVMKeeper) EthValidateBasicDecorator {
+	return EthValidateBasicDecorator{
+		evmKeeper: ek,
+	}
+}
+
+// AnteHandle handles basic validation of tx
+func (vbd EthValidateBasicDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error) {
+	// no need to validate basic on recheck tx, call next antehandler
+	if ctx.IsReCheckTx() {
+		return next(ctx, tx, simulate)
+	}
+
+	err := tx.ValidateBasic()
+	// ErrNoSignatures is fine with eth tx
+	if err != nil && !errors.Is(err, sdkerrors.ErrNoSignatures) {
+		return ctx, sdkerrors.Wrap(err, "tx basic validation failed")
+	}
+
+	// For eth type cosmos tx, some fields should be veified as zero values,
+	// since we will only verify the signature against the hash of the MsgEthereumTx.Data
+	if wrapperTx, ok := tx.(protoTxProvider); ok {
+		protoTx := wrapperTx.GetProtoTx()
+		body := protoTx.Body
+		if body.Memo != "" || body.TimeoutHeight != uint64(0) || len(body.NonCriticalExtensionOptions) > 0 {
+			return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest,
+				"for eth tx body Memo TimeoutHeight NonCriticalExtensionOptions should be empty")
+		}
+
+		if len(body.ExtensionOptions) != 1 {
+			return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "for eth tx length of ExtensionOptions should be 1")
+		}
+
+		txFee := sdk.Coins{}
+		txGasLimit := uint64(0)
+
+		for _, msg := range protoTx.GetMsgs() {
+			msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
+			if !ok {
+				return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
+			}
+			txGasLimit += msgEthTx.GetGas()
+
+			txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
+			if err != nil {
+				return ctx, sdkerrors.Wrap(err, "failed to unpack MsgEthereumTx Data")
+			}
+
+			params := vbd.evmKeeper.GetParams(ctx)
+			chainID := vbd.evmKeeper.ChainID()
+			ethCfg := params.ChainConfig.EthereumConfig(chainID)
+			baseFee := vbd.evmKeeper.BaseFee(ctx, ethCfg)
+			if baseFee == nil && txData.TxType() == ethtypes.DynamicFeeTxType {
+				return ctx, sdkerrors.Wrap(ethtypes.ErrTxTypeNotSupported, "dynamic fee tx not supported")
+			}
+
+			txFee = txFee.Add(sdk.NewCoin(params.EvmDenom, sdk.NewIntFromBigInt(txData.Fee())))
+		}
+
+		authInfo := protoTx.AuthInfo
+		if len(authInfo.SignerInfos) > 0 {
+			return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "for eth tx AuthInfo SignerInfos should be empty")
+		}
+
+		if authInfo.Fee.Payer != "" || authInfo.Fee.Granter != "" {
+			return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "for eth tx AuthInfo Fee payer and granter should be empty")
+		}
+
+		if !authInfo.Fee.Amount.IsEqual(txFee) {
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid AuthInfo Fee Amount (%s != %s)", authInfo.Fee.Amount, txFee)
+		}
+
+		if authInfo.Fee.GasLimit != txGasLimit {
+			return ctx, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid AuthInfo Fee GasLimit (%d != %d)", authInfo.Fee.GasLimit, txGasLimit)
+		}
+
+		sigs := protoTx.Signatures
+		if len(sigs) > 0 {
+			return ctx, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "for eth tx Signatures should be empty")
+		}
+	}
+
+	return next(ctx, tx, simulate)
+}
+
+// EthSetupContextDecorator is adapted from SetUpContextDecorator from cosmos-sdk, it ignores gas consumption
+// by setting the gas meter to infinite
+type EthSetupContextDecorator struct {
+	evmKeeper EVMKeeper
+}
+
+func NewEthSetUpContextDecorator(evmKeeper EVMKeeper) EthSetupContextDecorator {
+	return EthSetupContextDecorator{
+		evmKeeper: evmKeeper,
+	}
+}
+
+func (esc EthSetupContextDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
+	// all transactions must implement GasTx
+	_, ok := tx.(authante.GasTx)
+	if !ok {
+		return newCtx, sdkerrors.Wrap(sdkerrors.ErrTxDecode, "Tx must be GasTx")
+	}
+
+	newCtx = ctx.WithGasMeter(sdk.NewInfiniteGasMeter())
+	// Reset transient gas used to prepare the execution of current cosmos tx.
+	// Transient gas-used is necessary to sum the gas-used of cosmos tx, when it contains multiple eth msgs.
+	esc.evmKeeper.ResetTransientGasUsed(ctx)
+	return next(newCtx, tx, simulate)
+}
+
+// EthMempoolFeeDecorator will check if the transaction's effective fee is at least as large
+// as the local validator's minimum gasFee (defined in validator config).
+// If fee is too low, decorator returns error and tx is rejected from mempool.
+// Note this only applies when ctx.CheckTx = true
+// If fee is high enough or not CheckTx, then call next AnteHandler
+// CONTRACT: Tx must implement FeeTx to use MempoolFeeDecorator
+type EthMempoolFeeDecorator struct {
+	evmKeeper EVMKeeper
+}
+
+func NewEthMempoolFeeDecorator(ek EVMKeeper) EthMempoolFeeDecorator {
+	return EthMempoolFeeDecorator{
+		evmKeeper: ek,
+	}
+}
+
+// AnteHandle ensures that the provided fees meet a minimum threshold for the validator,
+// if this is a CheckTx. This is only for local mempool purposes, and thus
+// is only ran on check tx.
+// It only do the check if london hardfork not enabled or feemarket not enabled, because in that case feemarket will take over the task.
+func (mfd EthMempoolFeeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
+	if ctx.IsCheckTx() && !simulate {
+		params := mfd.evmKeeper.GetParams(ctx)
+		ethCfg := params.ChainConfig.EthereumConfig(mfd.evmKeeper.ChainID())
+		baseFee := mfd.evmKeeper.BaseFee(ctx, ethCfg)
+		if baseFee == nil {
+			for _, msg := range tx.GetMsgs() {
+				ethMsg, ok := msg.(*evmtypes.MsgEthereumTx)
+				if !ok {
+					return ctx, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
+				}
+
+				evmDenom := params.EvmDenom
+				feeAmt := ethMsg.GetFee()
+				glDec := sdk.NewDec(int64(ethMsg.GetGas()))
+				requiredFee := ctx.MinGasPrices().AmountOf(evmDenom).Mul(glDec)
+				if sdk.NewDecFromBigInt(feeAmt).LT(requiredFee) {
+					return ctx, sdkerrors.Wrapf(sdkerrors.ErrInsufficientFee, "insufficient fees; got: %s required: %s", feeAmt, requiredFee)
+				}
+			}
+		}
+	}
+
+	return next(ctx, tx, simulate)
+}

app/ante/eth_test.go

@@ -1,13 +1,11 @@
-package middleware_test
+package ante_test
 
 import (
 	"math/big"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
-	txtypes "github.com/cosmos/cosmos-sdk/types/tx"
+	"github.com/tharsis/ethermint/app/ante"
-	"github.com/cosmos/cosmos-sdk/x/auth/middleware"
-	ante "github.com/tharsis/ethermint/app/middleware"
 	"github.com/tharsis/ethermint/server/config"
 	"github.com/tharsis/ethermint/tests"
 	"github.com/tharsis/ethermint/x/evm/statedb"
@@ -16,8 +14,12 @@ import (
 	ethtypes "github.com/ethereum/go-ethereum/core/types"
 )
 
-func (suite MiddlewareTestSuite) TestEthSigVerificationDecorator() {
+func nextFn(ctx sdk.Context, _ sdk.Tx, _ bool) (sdk.Context, error) {
-	txHandler := middleware.ComposeMiddlewares(noopTxHandler, ante.NewEthSigVerificationMiddleware(suite.app.EvmKeeper))
+	return ctx, nil
+}
+
+func (suite AnteTestSuite) TestEthSigVerificationDecorator() {
+	dec := ante.NewEthSigVerificationDecorator(suite.app.EvmKeeper)
 	addr, privKey := tests.NewAddrKey()
 
 	signedTx := evmtypes.NewTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil, nil, nil)
@@ -44,7 +46,7 @@ func (suite MiddlewareTestSuite) TestEthSigVerificationDecorator() {
 
 	for _, tc := range testCases {
 		suite.Run(tc.name, func() {
-			_, _, err := txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+			_, err := dec.AnteHandle(suite.ctx.WithIsReCheckTx(tc.reCheckTx), tc.tx, false, nextFn)
 
 			if tc.expPass {
 				suite.Require().NoError(err)
@@ -55,10 +57,10 @@ func (suite MiddlewareTestSuite) TestEthSigVerificationDecorator() {
 	}
 }
 
-func (suite MiddlewareTestSuite) TestNewEthAccountVerificationDecorator() {
+func (suite AnteTestSuite) TestNewEthAccountVerificationDecorator() {
-	txHandler := middleware.ComposeMiddlewares(noopTxHandler, ante.NewEthAccountVerificationMiddleware(
+	dec := ante.NewEthAccountVerificationDecorator(
 		suite.app.AccountKeeper, suite.app.BankKeeper, suite.app.EvmKeeper,
-	))
+	)
 
 	addr := tests.GenerateAddress()
 
@@ -132,7 +134,8 @@ func (suite MiddlewareTestSuite) TestNewEthAccountVerificationDecorator() {
 			tc.malleate()
 			suite.Require().NoError(vmdb.Commit())
 
-			_, _, err := txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx.WithIsCheckTx(tc.checkTx)), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+			_, err := dec.AnteHandle(suite.ctx.WithIsCheckTx(tc.checkTx), tc.tx, false, nextFn)
+
 			if tc.expPass {
 				suite.Require().NoError(err)
 			} else {
@@ -142,9 +145,10 @@ func (suite MiddlewareTestSuite) TestNewEthAccountVerificationDecorator() {
 	}
 }
 
-func (suite MiddlewareTestSuite) TestEthNonceVerificationDecorator() {
+func (suite AnteTestSuite) TestEthNonceVerificationDecorator() {
 	suite.SetupTest()
-	txHandler := middleware.ComposeMiddlewares(noopTxHandler, ante.NewEthIncrementSenderSequenceMiddleware(suite.app.AccountKeeper))
+	dec := ante.NewEthIncrementSenderSequenceDecorator(suite.app.AccountKeeper)
+
 	addr := tests.GenerateAddress()
 
 	tx := evmtypes.NewTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil, nil, nil)
@@ -186,7 +190,7 @@ func (suite MiddlewareTestSuite) TestEthNonceVerificationDecorator() {
 	for _, tc := range testCases {
 		suite.Run(tc.name, func() {
 			tc.malleate()
-			_, _, err := txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+			_, err := dec.AnteHandle(suite.ctx.WithIsReCheckTx(tc.reCheckTx), tc.tx, false, nextFn)
 
 			if tc.expPass {
 				suite.Require().NoError(err)
@@ -197,8 +201,8 @@ func (suite MiddlewareTestSuite) TestEthNonceVerificationDecorator() {
 	}
 }
 
-func (suite MiddlewareTestSuite) TestEthGasConsumeDecorator() {
+func (suite AnteTestSuite) TestEthGasConsumeDecorator() {
-	txHandler := middleware.ComposeMiddlewares(noopTxHandler, ante.NewEthGasConsumeMiddleware(suite.app.EvmKeeper, config.DefaultMaxTxGasWanted))
+	dec := ante.NewEthGasConsumeDecorator(suite.app.EvmKeeper, config.DefaultMaxTxGasWanted)
 
 	addr := tests.GenerateAddress()
 
@@ -283,24 +287,24 @@ func (suite MiddlewareTestSuite) TestEthGasConsumeDecorator() {
 
 			if tc.expPanic {
 				suite.Require().Panics(func() {
-					_, _, _ = txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx.WithIsCheckTx(true).WithGasMeter(sdk.NewGasMeter(1))), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+					_, _ = dec.AnteHandle(suite.ctx.WithIsCheckTx(true).WithGasMeter(sdk.NewGasMeter(1)), tc.tx, false, nextFn)
 				})
 				return
 			}
 
-			_, _, err := txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx.WithIsCheckTx(true).WithGasMeter(sdk.NewInfiniteGasMeter())), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+			ctx, err := dec.AnteHandle(suite.ctx.WithIsCheckTx(true).WithGasMeter(sdk.NewInfiniteGasMeter()), tc.tx, false, nextFn)
-
 			if tc.expPass {
 				suite.Require().NoError(err)
 			} else {
 				suite.Require().Error(err)
 			}
+			suite.Require().Equal(tc.gasLimit, ctx.GasMeter().Limit())
 		})
 	}
 }
 
-func (suite MiddlewareTestSuite) TestCanTransferDecorator() {
+func (suite AnteTestSuite) TestCanTransferDecorator() {
-	txHandler := middleware.ComposeMiddlewares(noopTxHandler, ante.NewCanTransferMiddleware(suite.app.EvmKeeper))
+	dec := ante.NewCanTransferDecorator(suite.app.EvmKeeper)
 
 	addr, privKey := tests.NewAddrKey()
 
@@ -372,7 +376,8 @@ func (suite MiddlewareTestSuite) TestCanTransferDecorator() {
 			tc.malleate()
 			suite.Require().NoError(vmdb.Commit())
 
-			_, _, err := txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx.WithIsCheckTx(true)), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+			_, err := dec.AnteHandle(suite.ctx.WithIsCheckTx(true), tc.tx, false, nextFn)
+
 			if tc.expPass {
 				suite.Require().NoError(err)
 			} else {
@@ -382,8 +387,8 @@ func (suite MiddlewareTestSuite) TestCanTransferDecorator() {
 	}
 }
 
-func (suite MiddlewareTestSuite) TestEthIncrementSenderSequenceDecorator() {
+func (suite AnteTestSuite) TestEthIncrementSenderSequenceDecorator() {
-	txHandler := middleware.ComposeMiddlewares(noopTxHandler, ante.NewEthIncrementSenderSequenceMiddleware(suite.app.AccountKeeper))
+	dec := ante.NewEthIncrementSenderSequenceDecorator(suite.app.AccountKeeper)
 	addr, privKey := tests.NewAddrKey()
 
 	contract := evmtypes.NewTxContract(suite.app.EvmKeeper.ChainID(), 0, big.NewInt(10), 1000, big.NewInt(1), nil, nil, nil, nil)
@@ -450,17 +455,12 @@ func (suite MiddlewareTestSuite) TestEthIncrementSenderSequenceDecorator() {
 
 			if tc.expPanic {
 				suite.Require().Panics(func() {
-					_, _, _ = txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+					_, _ = dec.AnteHandle(suite.ctx, tc.tx, false, nextFn)
 				})
 				return
 			}
 
-			_, _, err := txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+			_, err := dec.AnteHandle(suite.ctx, tc.tx, false, nextFn)
-			if tc.expPass {
-				suite.Require().NoError(err)
-			} else {
-				suite.Require().Error(err)
-			}
 
 			if tc.expPass {
 				suite.Require().NoError(err)
@@ -478,8 +478,8 @@ func (suite MiddlewareTestSuite) TestEthIncrementSenderSequenceDecorator() {
 	}
 }
 
-func (suite MiddlewareTestSuite) TestEthSetupContextDecorator() {
+func (suite AnteTestSuite) TestEthSetupContextDecorator() {
-	txHandler := middleware.ComposeMiddlewares(noopTxHandler, ante.NewEthSetUpContextMiddleware(suite.app.EvmKeeper))
+	dec := ante.NewEthSetUpContextDecorator(suite.app.EvmKeeper)
 	tx := evmtypes.NewTxContract(suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 1000, big.NewInt(1), nil, nil, nil, nil)
 
 	testCases := []struct {
@@ -497,7 +497,8 @@ func (suite MiddlewareTestSuite) TestEthSetupContextDecorator() {
 
 	for _, tc := range testCases {
 		suite.Run(tc.name, func() {
-			_, _, err := txHandler.CheckTx(sdk.WrapSDKContext(suite.ctx), txtypes.Request{Tx: tc.tx}, txtypes.RequestCheckTx{})
+			_, err := dec.AnteHandle(suite.ctx, tc.tx, false, nextFn)
+
 			if tc.expPass {
 				suite.Require().NoError(err)
 			} else {

app/ante/handler_options.go

@@ -0,0 +1,103 @@
+package ante
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	"github.com/cosmos/cosmos-sdk/types/tx/signing"
+	"github.com/cosmos/cosmos-sdk/x/auth/ante"
+	authsigning "github.com/cosmos/cosmos-sdk/x/auth/signing"
+	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+
+	ibcante "github.com/cosmos/ibc-go/v3/modules/core/ante"
+	ibckeeper "github.com/cosmos/ibc-go/v3/modules/core/keeper"
+
+	evmtypes "github.com/tharsis/ethermint/x/evm/types"
+)
+
+// HandlerOptions extend the SDK's AnteHandler options by requiring the IBC
+// channel keeper, EVM Keeper and Fee Market Keeper.
+type HandlerOptions struct {
+	AccountKeeper   evmtypes.AccountKeeper
+	BankKeeper      evmtypes.BankKeeper
+	IBCKeeper       *ibckeeper.Keeper
+	FeeMarketKeeper evmtypes.FeeMarketKeeper
+	EvmKeeper       EVMKeeper
+	FeegrantKeeper  ante.FeegrantKeeper
+	SignModeHandler authsigning.SignModeHandler
+	SigGasConsumer  func(meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params) error
+	MaxTxGasWanted  uint64
+	TxFeeChecker    ante.TxFeeChecker
+}
+
+func (options HandlerOptions) Validate() error {
+	if options.AccountKeeper == nil {
+		return sdkerrors.Wrap(sdkerrors.ErrLogic, "account keeper is required for AnteHandler")
+	}
+	if options.BankKeeper == nil {
+		return sdkerrors.Wrap(sdkerrors.ErrLogic, "bank keeper is required for AnteHandler")
+	}
+	if options.SignModeHandler == nil {
+		return sdkerrors.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for ante builder")
+	}
+	if options.FeeMarketKeeper == nil {
+		return sdkerrors.Wrap(sdkerrors.ErrLogic, "fee market keeper is required for AnteHandler")
+	}
+	if options.EvmKeeper == nil {
+		return sdkerrors.Wrap(sdkerrors.ErrLogic, "evm keeper is required for AnteHandler")
+	}
+	return nil
+}
+
+func newEthAnteHandler(options HandlerOptions) sdk.AnteHandler {
+	return sdk.ChainAnteDecorators(
+		NewEthSetUpContextDecorator(options.EvmKeeper), // outermost AnteDecorator. SetUpContext must be called first
+		NewEthMempoolFeeDecorator(options.EvmKeeper),   // Check eth effective gas price against minimal-gas-prices
+		NewEthValidateBasicDecorator(options.EvmKeeper),
+		NewEthSigVerificationDecorator(options.EvmKeeper),
+		NewEthAccountVerificationDecorator(options.AccountKeeper, options.BankKeeper, options.EvmKeeper),
+		NewEthGasConsumeDecorator(options.EvmKeeper, options.MaxTxGasWanted),
+		NewCanTransferDecorator(options.EvmKeeper),
+		NewEthIncrementSenderSequenceDecorator(options.AccountKeeper), // innermost AnteDecorator.
+	)
+}
+
+func newCosmosAnteHandler(options HandlerOptions) sdk.AnteHandler {
+	return sdk.ChainAnteDecorators(
+		RejectMessagesDecorator{}, // reject MsgEthereumTxs
+		ante.NewSetUpContextDecorator(),
+		ante.NewValidateBasicDecorator(),
+		ante.NewTxTimeoutHeightDecorator(),
+		ante.NewValidateMemoDecorator(options.AccountKeeper),
+		ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
+		ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
+		// SetPubKeyDecorator must be called before all signature verification decorators
+		ante.NewSetPubKeyDecorator(options.AccountKeeper),
+		ante.NewValidateSigCountDecorator(options.AccountKeeper),
+		ante.NewSigGasConsumeDecorator(options.AccountKeeper, options.SigGasConsumer),
+		ante.NewSigVerificationDecorator(options.AccountKeeper, options.SignModeHandler),
+		ante.NewIncrementSequenceDecorator(options.AccountKeeper),
+		ibcante.NewAnteDecorator(options.IBCKeeper),
+	)
+}
+
+func newCosmosAnteHandlerEip712(options HandlerOptions) sdk.AnteHandler {
+	return sdk.ChainAnteDecorators(
+		RejectMessagesDecorator{}, // reject MsgEthereumTxs
+		ante.NewSetUpContextDecorator(),
+		// NOTE: extensions option decorator removed
+		// ante.NewRejectExtensionOptionsDecorator(),
+		ante.NewValidateBasicDecorator(),
+		ante.NewTxTimeoutHeightDecorator(),
+		ante.NewValidateMemoDecorator(options.AccountKeeper),
+		ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
+		ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
+		// SetPubKeyDecorator must be called before all signature verification decorators
+		ante.NewSetPubKeyDecorator(options.AccountKeeper),
+		ante.NewValidateSigCountDecorator(options.AccountKeeper),
+		ante.NewSigGasConsumeDecorator(options.AccountKeeper, options.SigGasConsumer),
+		// Note: signature verification uses EIP instead of the cosmos signature validator
+		NewEip712SigVerificationDecorator(options.AccountKeeper, options.SignModeHandler),
+		ante.NewIncrementSequenceDecorator(options.AccountKeeper),
+		ibcante.NewAnteDecorator(options.IBCKeeper),
+	)
+}

app/ante/interfaces.go

@@ -1,4 +1,4 @@
-package middleware
+package ante
 
 import (
 	"math/big"

app/ante/reject_msgs.go

@@ -0,0 +1,25 @@
+package ante
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	evmtypes "github.com/tharsis/ethermint/x/evm/types"
+)
+
+// RejectMessagesDecorator prevents invalid msg types from being executed
+type RejectMessagesDecorator struct{}
+
+// AnteHandle rejects messages that requires ethereum-specific authentication.
+// For example `MsgEthereumTx` requires fee to be deducted in the antehandler in
+// order to perform the refund.
+func (rmd RejectMessagesDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
+	for _, msg := range tx.GetMsgs() {
+		if _, ok := msg.(*evmtypes.MsgEthereumTx); ok {
+			return ctx, sdkerrors.Wrapf(
+				sdkerrors.ErrInvalidType,
+				"MsgEthereumTx needs to be contained within a tx with 'ExtensionOptionsEthereumTx' option",
+			)
+		}
+	}
+	return next(ctx, tx, simulate)
+}

app/ante/sigs_test.go

@@ -1,4 +1,4 @@
-package middleware_test
+package ante_test
 
 import (
 	"math/big"
@@ -8,7 +8,7 @@ import (
 	evmtypes "github.com/tharsis/ethermint/x/evm/types"
 )
 
-func (suite MiddlewareTestSuite) TestSignatures() {
+func (suite AnteTestSuite) TestSignatures() {
 	suite.enableFeemarket = false
 	suite.SetupTest() // reset
 

app/ante/utils_test.go

@@ -1,21 +1,16 @@
-package middleware_test
+package ante_test
 
 import (
-	context "context"
 	"math"
 	"testing"
 	"time"
 
-	clientTx "github.com/cosmos/cosmos-sdk/client/tx"
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
 	types2 "github.com/cosmos/cosmos-sdk/x/bank/types"
 	types3 "github.com/cosmos/cosmos-sdk/x/staking/types"
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/spf13/cast"
-	"github.com/tharsis/ethermint/app/middleware"
 	"github.com/tharsis/ethermint/ethereum/eip712"
-	"github.com/tharsis/ethermint/server/config"
 	"github.com/tharsis/ethermint/types"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -24,69 +19,48 @@ import (
 	"github.com/stretchr/testify/suite"
 
 	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/tx"
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	"github.com/cosmos/cosmos-sdk/simapp"
 	"github.com/cosmos/cosmos-sdk/testutil/testdata"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/cosmos/cosmos-sdk/types/tx"
 	"github.com/cosmos/cosmos-sdk/types/tx/signing"
 	authsigning "github.com/cosmos/cosmos-sdk/x/auth/signing"
 	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 
-	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 	"github.com/tharsis/ethermint/app"
+	ante "github.com/tharsis/ethermint/app/ante"
 	"github.com/tharsis/ethermint/encoding"
 	"github.com/tharsis/ethermint/tests"
 	"github.com/tharsis/ethermint/x/evm/statedb"
 	evmtypes "github.com/tharsis/ethermint/x/evm/types"
 	feemarkettypes "github.com/tharsis/ethermint/x/feemarket/types"
+
+	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 )
 
-// customTxHandler is a test middleware that will run a custom function.
+type AnteTestSuite struct {
-type customTxHandler struct {
-	fn func(context.Context, tx.Request) (tx.Response, error)
-}
-
-var _ tx.Handler = customTxHandler{}
-
-func (h customTxHandler) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	return h.fn(ctx, req)
-}
-func (h customTxHandler) CheckTx(ctx context.Context, req tx.Request, _ tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	res, err := h.fn(ctx, req)
-	return res, tx.ResponseCheckTx{}, err
-}
-func (h customTxHandler) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	return h.fn(ctx, req)
-}
-
-// noopTxHandler is a test middleware that returns an empty response.
-var noopTxHandler = customTxHandler{func(_ context.Context, _ tx.Request) (tx.Response, error) {
-	return tx.Response{}, nil
-}}
-
-type MiddlewareTestSuite struct {
 	suite.Suite
 
 	ctx             sdk.Context
 	app             *app.EthermintApp
 	clientCtx       client.Context
-	anteHandler     tx.Handler
+	anteHandler     sdk.AnteHandler
 	ethSigner       ethtypes.Signer
 	enableFeemarket bool
 	enableLondonHF  bool
 }
 
-func (suite *MiddlewareTestSuite) StateDB() *statedb.StateDB {
+func (suite *AnteTestSuite) StateDB() *statedb.StateDB {
 	return statedb.New(suite.ctx, suite.app.EvmKeeper, statedb.NewEmptyTxConfig(common.BytesToHash(suite.ctx.HeaderHash().Bytes())))
 }
 
-func (suite *MiddlewareTestSuite) SetupTest() {
+func (suite *AnteTestSuite) SetupTest() {
 	checkTx := false
 
-	suite.app = app.Setup(suite.T(), checkTx, func(app *app.EthermintApp, genesis simapp.GenesisState) simapp.GenesisState {
+	suite.app = app.Setup(checkTx, func(app *app.EthermintApp, genesis simapp.GenesisState) simapp.GenesisState {
 		if suite.enableFeemarket {
 			// setup feemarketGenesis params
 			feemarketGenesis := feemarkettypes.DefaultGenesisState()
@@ -121,37 +95,32 @@ func (suite *MiddlewareTestSuite) SetupTest() {
 	encodingConfig.Amino.RegisterConcrete(&testdata.TestMsg{}, "testdata.TestMsg", nil)
 
 	suite.clientCtx = client.Context{}.WithTxConfig(encodingConfig.TxConfig)
-	maxGasWanted := cast.ToUint64(config.DefaultMaxTxGasWanted)
 
-	options := middleware.HandlerOptions{
+	options := ante.HandlerOptions{
-		TxDecoder:        suite.clientCtx.TxConfig.TxDecoder(),
+		AccountKeeper:   suite.app.AccountKeeper,
-		AccountKeeper:    suite.app.AccountKeeper,
+		BankKeeper:      suite.app.BankKeeper,
-		BankKeeper:       suite.app.BankKeeper,
+		EvmKeeper:       suite.app.EvmKeeper,
-		EvmKeeper:        suite.app.EvmKeeper,
+		FeegrantKeeper:  suite.app.FeeGrantKeeper,
-		FeegrantKeeper:   suite.app.FeeGrantKeeper,
+		IBCKeeper:       suite.app.IBCKeeper,
-		Codec:            suite.app.AppCodec(),
+		FeeMarketKeeper: suite.app.FeeMarketKeeper,
-		Debug:            suite.app.Trace(),
+		SignModeHandler: encodingConfig.TxConfig.SignModeHandler(),
-		LegacyRouter:     suite.app.LegacyRouter,
+		SigGasConsumer:  ante.DefaultSigVerificationGasConsumer,
-		MsgServiceRouter: suite.app.MsgSvcRouter,
-		FeeMarketKeeper:  suite.app.FeeMarketKeeper,
-		SignModeHandler:  suite.clientCtx.TxConfig.SignModeHandler(),
-		SigGasConsumer:   middleware.DefaultSigVerificationGasConsumer,
-		MaxTxGasWanted:   maxGasWanted,
 	}
 
 	suite.Require().NoError(options.Validate())
-	suite.anteHandler = middleware.NewTxHandler(options)
+
+	suite.anteHandler = ante.NewAnteHandler(options)
 	suite.ethSigner = ethtypes.LatestSignerForChainID(suite.app.EvmKeeper.ChainID())
 }
 
-func TestMiddlewareTestSuite(t *testing.T) {
+func TestAnteTestSuite(t *testing.T) {
-	suite.Run(t, &MiddlewareTestSuite{
+	suite.Run(t, &AnteTestSuite{
 		enableLondonHF: true,
 	})
 }
 
 // CreateTestTx is a helper function to create a tx given multiple inputs.
-func (suite *MiddlewareTestSuite) CreateTestTx(
+func (suite *AnteTestSuite) CreateTestTx(
 	msg *evmtypes.MsgEthereumTx, priv cryptotypes.PrivKey, accNum uint64, signCosmosTx bool,
 	unsetExtensionOptions ...bool,
 ) authsigning.Tx {
@@ -159,7 +128,7 @@ func (suite *MiddlewareTestSuite) CreateTestTx(
 }
 
 // CreateTestTxBuilder is a helper function to create a tx builder given multiple inputs.
-func (suite *MiddlewareTestSuite) CreateTestTxBuilder(
+func (suite *AnteTestSuite) CreateTestTxBuilder(
 	msg *evmtypes.MsgEthereumTx, priv cryptotypes.PrivKey, accNum uint64, signCosmosTx bool,
 	unsetExtensionOptions ...bool,
 ) client.TxBuilder {
@@ -215,7 +184,7 @@ func (suite *MiddlewareTestSuite) CreateTestTxBuilder(
 			AccountNumber: accNum,
 			Sequence:      txData.GetNonce(),
 		}
-		sigV2, err = clientTx.SignWithPrivKey(
+		sigV2, err = tx.SignWithPrivKey(
 			suite.clientCtx.TxConfig.SignModeHandler().DefaultMode(), signerData,
 			txBuilder, priv, suite.clientCtx.TxConfig, txData.GetNonce(),
 		)
@@ -230,22 +199,22 @@ func (suite *MiddlewareTestSuite) CreateTestTxBuilder(
 	return txBuilder
 }
 
-func (suite *MiddlewareTestSuite) CreateTestEIP712TxBuilderMsgSend(from sdk.AccAddress, priv cryptotypes.PrivKey, chainId string, gas uint64, gasAmount sdk.Coins) client.TxBuilder {
+func (suite *AnteTestSuite) CreateTestEIP712TxBuilderMsgSend(from sdk.AccAddress, priv cryptotypes.PrivKey, chainId string, gas uint64, gasAmount sdk.Coins) client.TxBuilder {
 	// Build MsgSend
 	recipient := sdk.AccAddress(common.Address{}.Bytes())
 	msgSend := types2.NewMsgSend(from, recipient, sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(1))))
 	return suite.CreateTestEIP712CosmosTxBuilder(from, priv, chainId, gas, gasAmount, msgSend)
 }
 
-func (suite *MiddlewareTestSuite) CreateTestEIP712TxBuilderMsgDelegate(from sdk.AccAddress, priv cryptotypes.PrivKey, chainId string, gas uint64, gasAmount sdk.Coins) client.TxBuilder {
+func (suite *AnteTestSuite) CreateTestEIP712TxBuilderMsgDelegate(from sdk.AccAddress, priv cryptotypes.PrivKey, chainId string, gas uint64, gasAmount sdk.Coins) client.TxBuilder {
 	// Build MsgSend
 	valEthAddr := tests.GenerateAddress()
 	valAddr := sdk.ValAddress(valEthAddr.Bytes())
-	msgSend := types3.NewMsgDelegate(from, valAddr, sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(200000)))
+	msgSend := types3.NewMsgDelegate(from, valAddr, sdk.NewCoin(evmtypes.DefaultEVMDenom, sdk.NewInt(20)))
 	return suite.CreateTestEIP712CosmosTxBuilder(from, priv, chainId, gas, gasAmount, msgSend)
 }
 
-func (suite *MiddlewareTestSuite) CreateTestEIP712CosmosTxBuilder(
+func (suite *AnteTestSuite) CreateTestEIP712CosmosTxBuilder(
 	from sdk.AccAddress, priv cryptotypes.PrivKey, chainId string, gas uint64, gasAmount sdk.Coins, msg sdk.Msg,
 ) client.TxBuilder {
 	var err error

app/app.go

@@ -11,21 +11,19 @@ import (
 	"github.com/rakyll/statik/fs"
 	"github.com/spf13/cast"
 
-	"github.com/tharsis/ethermint/app/middleware"
-	evmtypes "github.com/tharsis/ethermint/x/evm/types"
-
 	"github.com/cosmos/cosmos-sdk/baseapp"
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/grpc/tmservice"
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/codec/types"
 	"github.com/cosmos/cosmos-sdk/db"
-	"github.com/cosmos/cosmos-sdk/server"
 	"github.com/cosmos/cosmos-sdk/server/api"
 	"github.com/cosmos/cosmos-sdk/server/config"
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
 	"github.com/cosmos/cosmos-sdk/simapp"
 	govv1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1"
+	"github.com/tharsis/ethermint/app/ante"
+	evmtypes "github.com/tharsis/ethermint/x/evm/types"
 
 	simappparams "github.com/cosmos/cosmos-sdk/simapp/params"
 	"github.com/cosmos/cosmos-sdk/store/streaming"
@@ -36,7 +34,6 @@ import (
 	"github.com/cosmos/cosmos-sdk/version"
 	"github.com/cosmos/cosmos-sdk/x/auth"
 	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
-	authmiddleware "github.com/cosmos/cosmos-sdk/x/auth/middleware"
 	authsims "github.com/cosmos/cosmos-sdk/x/auth/simulation"
 	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
@@ -219,8 +216,6 @@ type EthermintApp struct {
 	cdc               *codec.LegacyAmino
 	appCodec          codec.Codec
 	interfaceRegistry types.InterfaceRegistry
-	MsgSvcRouter      *authmiddleware.MsgServiceRouter
-	LegacyRouter      sdk.Router
 	invCheckPeriod    uint
 
 	// keys to access the substores
@@ -347,6 +342,7 @@ func NewEthermintApp(
 		appName,
 		logger,
 		db,
+		encodingConfig.TxConfig.TxDecoder(),
 		baseAppOptions...,
 	)
 	bApp.SetCommitMultiStoreTracer(traceStore)
@@ -367,8 +363,6 @@ func NewEthermintApp(
 		appCodec:          appCodec,
 		interfaceRegistry: interfaceRegistry,
 		invCheckPeriod:    invCheckPeriod,
-		LegacyRouter:      authmiddleware.NewLegacyRouter(),
-		MsgSvcRouter:      authmiddleware.NewMsgServiceRouter(interfaceRegistry),
 		keys:              keys,
 		tkeys:             tkeys,
 		memKeys:           memKeys,
@@ -422,7 +416,7 @@ func NewEthermintApp(
 		stakingtypes.NewMultiStakingHooks(app.DistrKeeper.Hooks(), app.SlashingKeeper.Hooks()),
 	)
 
-	app.AuthzKeeper = authzkeeper.NewKeeper(keys[authzkeeper.StoreKey], appCodec, app.MsgSvcRouter, app.AccountKeeper)
+	app.AuthzKeeper = authzkeeper.NewKeeper(keys[authzkeeper.StoreKey], appCodec, app.MsgServiceRouter(), app.AccountKeeper)
 
 	tracer := cast.ToString(appOpts.Get(srvflags.EVMTracer))
 
@@ -479,7 +473,7 @@ func NewEthermintApp(
 
 	govKeeper := govkeeper.NewKeeper(
 		appCodec, keys[govtypes.StoreKey], app.GetSubspace(govtypes.ModuleName), app.AccountKeeper, app.BankKeeper,
-		&stakingKeeper, govRouter, app.MsgSvcRouter, govConfig,
+		&stakingKeeper, govRouter, app.MsgServiceRouter(), govConfig,
 	)
 
 	app.GovKeeper = *govKeeper.SetHooks(
@@ -650,8 +644,8 @@ func NewEthermintApp(
 	)
 
 	app.mm.RegisterInvariants(&app.CrisisKeeper)
-	app.mm.RegisterRoutes(app.LegacyRouter, app.QueryRouter(), encodingConfig.Amino)
+	app.mm.RegisterRoutes(app.Router(), app.QueryRouter(), encodingConfig.Amino)
-	app.configurator = module.NewConfigurator(app.appCodec, app.MsgSvcRouter, app.GRPCQueryRouter())
+	app.configurator = module.NewConfigurator(app.appCodec, app.MsgServiceRouter(), app.GRPCQueryRouter())
 	app.mm.RegisterServices(app.configurator)
 
 	// add test gRPC service for testing gRPC queries in isolation
@@ -686,24 +680,26 @@ func NewEthermintApp(
 	app.SetInitChainer(app.InitChainer)
 	app.SetBeginBlocker(app.BeginBlocker)
 
+	// use Ethermint's custom AnteHandler
+
 	maxGasWanted := cast.ToUint64(appOpts.Get(srvflags.EVMMaxTxGasWanted))
-	options := middleware.HandlerOptions{
+	options := ante.HandlerOptions{
-		Codec:            app.appCodec,
+		AccountKeeper:   app.AccountKeeper,
-		Debug:            app.Trace(),
+		BankKeeper:      app.BankKeeper,
-		LegacyRouter:     app.LegacyRouter,
+		EvmKeeper:       app.EvmKeeper,
-		MsgServiceRouter: app.MsgSvcRouter,
+		FeegrantKeeper:  app.FeeGrantKeeper,
-		AccountKeeper:    app.AccountKeeper,
+		IBCKeeper:       app.IBCKeeper,
-		BankKeeper:       app.BankKeeper,
+		FeeMarketKeeper: app.FeeMarketKeeper,
-		EvmKeeper:        app.EvmKeeper,
+		SignModeHandler: encodingConfig.TxConfig.SignModeHandler(),
-		FeegrantKeeper:   app.FeeGrantKeeper,
+		SigGasConsumer:  ante.DefaultSigVerificationGasConsumer,
-		FeeMarketKeeper:  app.FeeMarketKeeper,
+		MaxTxGasWanted:  maxGasWanted,
-		SignModeHandler:  encodingConfig.TxConfig.SignModeHandler(),
-		SigGasConsumer:   middleware.DefaultSigVerificationGasConsumer,
-		MaxTxGasWanted:   maxGasWanted,
-		TxDecoder:        encodingConfig.TxConfig.TxDecoder(),
 	}
 
-	app.setTxHandler(options, encodingConfig.TxConfig, cast.ToStringSlice(appOpts.Get(server.FlagIndexEvents)))
+	if err := options.Validate(); err != nil {
+		panic(err)
+	}
+
+	app.SetAnteHandler(ante.NewAnteHandler(options))
 	app.SetEndBlocker(app.EndBlocker)
 
 	app.ScopedIBCKeeper = scopedIBCKeeper
@@ -712,18 +708,6 @@ func NewEthermintApp(
 	return app
 }
 
-func (app *EthermintApp) setTxHandler(options middleware.HandlerOptions, txConfig client.TxConfig, indexEventsStr []string) {
-	indexEvents := map[string]struct{}{}
-	for _, e := range indexEventsStr {
-		indexEvents[e] = struct{}{}
-	}
-
-	options.IndexEvents = indexEvents
-
-	txHandler := middleware.NewTxHandler(options)
-	app.SetTxHandler(txHandler)
-}
-
 // Name returns the name of the App
 func (app *EthermintApp) Name() string { return app.BaseApp.Name() }
 
@@ -842,8 +826,7 @@ func (app *EthermintApp) RegisterAPIRoutes(apiSvr *api.Server, apiConfig config.
 	// Register new tendermint queries routes from grpc-gateway.
 	tmservice.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)
 
-	// Register legacy and grpc-gateway routes for all modules.
+	// Register  grpc-gateway routes for all modules.
-	ModuleBasics.RegisterRESTRoutes(clientCtx, apiSvr.Router)
 	ModuleBasics.RegisterGRPCGatewayRoutes(clientCtx, apiSvr.GRPCGatewayRouter)
 
 	// register swagger API from root so that other applications can override easily
@@ -857,7 +840,12 @@ func (app *EthermintApp) RegisterTxService(clientCtx client.Context) {
 }
 
 func (app *EthermintApp) RegisterTendermintService(clientCtx client.Context) {
-	tmservice.RegisterTendermintService(app.BaseApp.GRPCQueryRouter(), clientCtx, app.interfaceRegistry)
+	tmservice.RegisterTendermintService(
+		clientCtx,
+		app.BaseApp.GRPCQueryRouter(),
+		app.interfaceRegistry,
+		app.Query,
+	)
 }
 
 // RegisterSwaggerAPI registers swagger route with API Server

app/middleware/eth.go

@@ -1,757 +0,0 @@
-package middleware
-
-import (
-	"context"
-	"errors"
-	"math/big"
-
-	sdk "github.com/cosmos/cosmos-sdk/types"
-	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
-	"github.com/cosmos/cosmos-sdk/types/tx"
-	"github.com/cosmos/cosmos-sdk/x/auth/middleware"
-	"github.com/ethereum/go-ethereum/common"
-	ethtypes "github.com/ethereum/go-ethereum/core/types"
-	ethermint "github.com/tharsis/ethermint/types"
-	evmkeeper "github.com/tharsis/ethermint/x/evm/keeper"
-	"github.com/tharsis/ethermint/x/evm/statedb"
-	evmtypes "github.com/tharsis/ethermint/x/evm/types"
-)
-
-// EthSetupContextMiddleware is adapted from SetUpContextMiddleware from cosmos-sdk, it ignores gas consumption
-// by setting the gas meter to infinite
-type EthSetupContextMiddleware struct {
-	next      tx.Handler
-	evmKeeper EVMKeeper
-}
-
-// gasContext returns a new context with a gas meter set from a given context.
-func gasContext(ctx sdk.Context, tx sdk.Tx, isSimulate bool) (sdk.Context, error) {
-	// all transactions must implement GasTx
-	gasTx, ok := tx.(middleware.GasTx)
-	if !ok {
-		// Set a gas meter with limit 0 as to prevent an infinite gas meter attack
-		// during runTx.
-		newCtx := setGasMeter(ctx, 0, isSimulate)
-		return newCtx, sdkerrors.Wrap(sdkerrors.ErrTxDecode, "Tx must be GasTx")
-	}
-
-	return setGasMeter(ctx, gasTx.GetGas(), isSimulate), nil
-}
-
-// setGasMeter returns a new context with a gas meter set from a given context.
-func setGasMeter(ctx sdk.Context, gasLimit uint64, simulate bool) sdk.Context {
-	// In various cases such as simulation and during the genesis block, we do not
-	// meter any gas utilization.
-	if simulate || ctx.BlockHeight() == 0 {
-		return ctx.WithGasMeter(sdk.NewInfiniteGasMeter())
-	}
-
-	return ctx.WithGasMeter(ethermint.NewInfiniteGasMeterWithLimit(gasLimit))
-}
-
-// CheckTx implements tx.Handler
-func (esc EthSetupContextMiddleware) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	sdkCtx, err := gasContext(sdk.UnwrapSDKContext(ctx), req.Tx, false)
-	if err != nil {
-		return tx.Response{}, tx.ResponseCheckTx{}, err
-	}
-
-	// Reset transient gas used to prepare the execution of current cosmos tx.
-	// Transient gas-used is necessary to sum the gas-used of cosmos tx, when it contains multiple eth msgs.
-	esc.evmKeeper.ResetTransientGasUsed(sdkCtx)
-	return esc.next.CheckTx(sdkCtx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (esc EthSetupContextMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	sdkCtx, err := gasContext(sdk.UnwrapSDKContext(ctx), req.Tx, false)
-	if err != nil {
-		return tx.Response{}, err
-	}
-
-	// Reset transient gas used to prepare the execution of current cosmos tx.
-	// Transient gas-used is necessary to sum the gas-used of cosmos tx, when it contains multiple eth msgs.
-	esc.evmKeeper.ResetTransientGasUsed(sdkCtx)
-	return esc.next.DeliverTx(sdkCtx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (esc EthSetupContextMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	sdkCtx, err := gasContext(sdk.UnwrapSDKContext(ctx), req.Tx, false)
-	if err != nil {
-		return tx.Response{}, err
-	}
-
-	// Reset transient gas used to prepare the execution of current cosmos tx.
-	// Transient gas-used is necessary to sum the gas-used of cosmos tx, when it contains multiple eth msgs.
-	esc.evmKeeper.ResetTransientGasUsed(sdkCtx)
-	return esc.next.SimulateTx(sdkCtx, req)
-}
-
-var _ tx.Handler = EthSetupContextMiddleware{}
-
-func NewEthSetUpContextMiddleware(evmKeeper EVMKeeper) tx.Middleware {
-	return func(txh tx.Handler) tx.Handler {
-		return EthSetupContextMiddleware{
-			next:      txh,
-			evmKeeper: evmKeeper,
-		}
-	}
-}
-
-// EthMempoolFeeMiddleware will check if the transaction's effective fee is at least as large
-// as the local validator's minimum gasFee (defined in validator config).
-// If fee is too low, Middleware returns error and tx is rejected from mempool.
-// Note this only applies when ctx.CheckTx = true
-// If fee is high enough or not CheckTx, then call next AnteHandler
-// CONTRACT: Tx must implement FeeTx to use MempoolFeeMiddleware
-type EthMempoolFeeMiddleware struct {
-	next      tx.Handler
-	evmKeeper EVMKeeper
-}
-
-// CheckTx implements tx.Handler
-func (mfd EthMempoolFeeMiddleware) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-
-	sdkCtx := sdk.UnwrapSDKContext(ctx)
-	params := mfd.evmKeeper.GetParams(sdkCtx)
-	ethCfg := params.ChainConfig.EthereumConfig(mfd.evmKeeper.ChainID())
-	baseFee := mfd.evmKeeper.BaseFee(sdkCtx, ethCfg)
-	if baseFee == nil {
-		for _, msg := range req.Tx.GetMsgs() {
-			ethMsg, ok := msg.(*evmtypes.MsgEthereumTx)
-			if !ok {
-				return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
-			}
-
-			evmDenom := params.EvmDenom
-			feeAmt := ethMsg.GetFee()
-			glDec := sdk.NewDec(int64(ethMsg.GetGas()))
-			requiredFee := sdkCtx.MinGasPrices().AmountOf(evmDenom).Mul(glDec)
-			if sdk.NewDecFromBigInt(feeAmt).LT(requiredFee) {
-				return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrapf(sdkerrors.ErrInsufficientFee, "insufficient fees; got: %s required: %s", feeAmt, requiredFee)
-			}
-		}
-	}
-
-	return mfd.next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (mfd EthMempoolFeeMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	return mfd.next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (mfd EthMempoolFeeMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	return mfd.next.SimulateTx(ctx, req)
-}
-
-var _ tx.Handler = EthMempoolFeeMiddleware{}
-
-func NewEthMempoolFeeMiddleware(ek EVMKeeper) tx.Middleware {
-	return func(txh tx.Handler) tx.Handler {
-		return EthMempoolFeeMiddleware{
-			next:      txh,
-			evmKeeper: ek,
-		}
-	}
-}
-
-// EthValidateBasicMiddleware is adapted from ValidateBasicMiddleware from cosmos-sdk, it ignores ErrNoSignatures
-type EthValidateBasicMiddleware struct {
-	next      tx.Handler
-	evmKeeper EVMKeeper
-}
-
-// CheckTx implements tx.Handler
-func (vbd EthValidateBasicMiddleware) CheckTx(cx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	ctx := sdk.UnwrapSDKContext(cx)
-	reqTx := req.Tx
-
-	// no need to validate basic on recheck tx, call next antehandler
-	if ctx.IsReCheckTx() {
-		return vbd.next.CheckTx(ctx, req, checkReq)
-	}
-
-	err := reqTx.ValidateBasic()
-	// ErrNoSignatures is fine with eth tx
-	if err != nil && !errors.Is(err, sdkerrors.ErrNoSignatures) {
-		return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(err, "tx basic validation failed")
-	}
-
-	// For eth type cosmos tx, some fields should be verified as zero values,
-	// since we will only verify the signature against the hash of the MsgEthereumTx.Data
-	if wrapperTx, ok := reqTx.(protoTxProvider); ok {
-		protoTx := wrapperTx.GetProtoTx()
-		body := protoTx.Body
-		if body.Memo != "" || body.TimeoutHeight != uint64(0) || len(body.NonCriticalExtensionOptions) > 0 {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest,
-				"for eth tx body Memo TimeoutHeight NonCriticalExtensionOptions should be empty")
-		}
-
-		if len(body.ExtensionOptions) != 1 {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "for eth tx length of ExtensionOptions should be 1")
-		}
-
-		txFee := sdk.Coins{}
-		txGasLimit := uint64(0)
-
-		for _, msg := range protoTx.GetMsgs() {
-			msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
-			if !ok {
-				return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
-			}
-			txGasLimit += msgEthTx.GetGas()
-
-			txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
-			if err != nil {
-				return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(err, "failed to unpack MsgEthereumTx Data")
-			}
-
-			params := vbd.evmKeeper.GetParams(ctx)
-			chainID := vbd.evmKeeper.ChainID()
-			ethCfg := params.ChainConfig.EthereumConfig(chainID)
-			baseFee := vbd.evmKeeper.BaseFee(ctx, ethCfg)
-			if baseFee == nil && txData.TxType() == ethtypes.DynamicFeeTxType {
-				return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(ethtypes.ErrTxTypeNotSupported, "dynamic fee tx not supported")
-			}
-
-			txFee = txFee.Add(sdk.NewCoin(params.EvmDenom, sdk.NewIntFromBigInt(txData.Fee())))
-		}
-
-		authInfo := protoTx.AuthInfo
-		if len(authInfo.SignerInfos) > 0 {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "for eth tx AuthInfo SignerInfos should be empty")
-		}
-
-		if authInfo.Fee.Payer != "" || authInfo.Fee.Granter != "" {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "for eth tx AuthInfo Fee payer and granter should be empty")
-		}
-
-		if !authInfo.Fee.Amount.IsEqual(txFee) {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid AuthInfo Fee Amount (%s != %s)", authInfo.Fee.Amount, txFee)
-		}
-
-		if authInfo.Fee.GasLimit != txGasLimit {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid AuthInfo Fee GasLimit (%d != %d)", authInfo.Fee.GasLimit, txGasLimit)
-		}
-
-		sigs := protoTx.Signatures
-		if len(sigs) > 0 {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "for eth tx Signatures should be empty")
-		}
-	}
-
-	return vbd.next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (vbd EthValidateBasicMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	return vbd.next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (vbd EthValidateBasicMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	return vbd.next.SimulateTx(ctx, req)
-}
-
-var _ tx.Handler = EthValidateBasicMiddleware{}
-
-// NewEthValidateBasicMiddleware creates a new EthValidateBasicMiddleware
-func NewEthValidateBasicMiddleware(ek EVMKeeper) tx.Middleware {
-	return func(h tx.Handler) tx.Handler {
-		return EthValidateBasicMiddleware{
-			next:      h,
-			evmKeeper: ek,
-		}
-	}
-
-}
-
-// EthSigVerificationMiddleware validates an ethereum signatures
-type EthSigVerificationMiddleware struct {
-	next      tx.Handler
-	evmKeeper EVMKeeper
-}
-
-func ethSigVerificationMiddleware(esvd EthSigVerificationMiddleware, cx context.Context, req tx.Request) (tx.Response, error) {
-	chainID := esvd.evmKeeper.ChainID()
-	ctx := sdk.UnwrapSDKContext(cx)
-	reqTx := req.Tx
-
-	params := esvd.evmKeeper.GetParams(ctx)
-
-	ethCfg := params.ChainConfig.EthereumConfig(chainID)
-	blockNum := big.NewInt(ctx.BlockHeight())
-	signer := ethtypes.MakeSigner(ethCfg, blockNum)
-
-	for _, msg := range reqTx.GetMsgs() {
-		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
-		if !ok {
-			return tx.Response{}, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
-		}
-
-		sender, err := signer.Sender(msgEthTx.AsTransaction())
-		if err != nil {
-			return tx.Response{}, sdkerrors.Wrapf(
-				sdkerrors.ErrorInvalidSigner,
-				"couldn't retrieve sender address ('%s') from the ethereum transaction: %s",
-				msgEthTx.From,
-				err.Error(),
-			)
-		}
-
-		// set up the sender to the transaction field if not already
-		msgEthTx.From = sender.Hex()
-	}
-
-	return tx.Response{}, nil
-}
-
-// CheckTx implements tx.Handler
-func (esvd EthSigVerificationMiddleware) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	if _, err := ethSigVerificationMiddleware(esvd, ctx, req); err != nil {
-		return tx.Response{}, tx.ResponseCheckTx{}, err
-	}
-
-	return esvd.next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (esvd EthSigVerificationMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	if _, err := ethSigVerificationMiddleware(esvd, ctx, req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return esvd.next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (esvd EthSigVerificationMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	if _, err := ethSigVerificationMiddleware(esvd, ctx, req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return esvd.next.SimulateTx(ctx, req)
-}
-
-var _ tx.Handler = EthSigVerificationMiddleware{}
-
-// NewEthSigVerificationMiddleware creates a new EthSigVerificationMiddleware
-func NewEthSigVerificationMiddleware(ek EVMKeeper) tx.Middleware {
-	return func(h tx.Handler) tx.Handler {
-		return EthSigVerificationMiddleware{
-			next:      h,
-			evmKeeper: ek,
-		}
-	}
-}
-
-// EthAccountVerificationMiddleware validates an account balance checks
-type EthAccountVerificationMiddleware struct {
-	next       tx.Handler
-	ak         evmtypes.AccountKeeper
-	bankKeeper evmtypes.BankKeeper
-	evmKeeper  EVMKeeper
-}
-
-// CheckTx implements tx.Handler
-func (avd EthAccountVerificationMiddleware) CheckTx(cx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	reqTx := req.Tx
-	ctx := sdk.UnwrapSDKContext(cx)
-	if !ctx.IsCheckTx() {
-		return avd.next.CheckTx(cx, req, checkReq)
-	}
-
-	for i, msg := range reqTx.GetMsgs() {
-		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
-		if !ok {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
-		}
-
-		txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
-		if err != nil {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrapf(err, "failed to unpack tx data any for tx %d", i)
-		}
-
-		// sender address should be in the tx cache from the previous AnteHandle call
-		from := msgEthTx.GetFrom()
-		if from.Empty() {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "from address cannot be empty")
-		}
-
-		// check whether the sender address is EOA
-		fromAddr := common.BytesToAddress(from)
-		acct := avd.evmKeeper.GetAccount(ctx, fromAddr)
-
-		if acct == nil {
-			acc := avd.ak.NewAccountWithAddress(ctx, from)
-			avd.ak.SetAccount(ctx, acc)
-			acct = statedb.NewEmptyAccount()
-		} else if acct.IsContract() {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrapf(sdkerrors.ErrInvalidType,
-				"the sender is not EOA: address %s, codeHash <%s>", fromAddr, acct.CodeHash)
-		}
-
-		if err := evmkeeper.CheckSenderBalance(sdk.NewIntFromBigInt(acct.Balance), txData); err != nil {
-			return tx.Response{}, tx.ResponseCheckTx{}, sdkerrors.Wrap(err, "failed to check sender balance")
-		}
-	}
-	return avd.next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (avd EthAccountVerificationMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	return avd.next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (avd EthAccountVerificationMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	return avd.next.SimulateTx(ctx, req)
-}
-
-var _ tx.Handler = EthAccountVerificationMiddleware{}
-
-// NewEthAccountVerificationMiddleware creates a new EthAccountVerificationMiddleware
-func NewEthAccountVerificationMiddleware(ak evmtypes.AccountKeeper, bankKeeper evmtypes.BankKeeper, ek EVMKeeper) tx.Middleware {
-	return func(h tx.Handler) tx.Handler {
-		return EthAccountVerificationMiddleware{
-			next:       h,
-			ak:         ak,
-			bankKeeper: bankKeeper,
-			evmKeeper:  ek,
-		}
-	}
-}
-
-// EthGasConsumeMiddleware validates enough intrinsic gas for the transaction and
-// gas consumption.
-type EthGasConsumeMiddleware struct {
-	next         tx.Handler
-	evmKeeper    EVMKeeper
-	maxGasWanted uint64
-}
-
-func ethGasMiddleware(egcd EthGasConsumeMiddleware, cx context.Context, req tx.Request) (context.Context, tx.Response, error) {
-	ctx := sdk.UnwrapSDKContext(cx)
-	reqTx := req.Tx
-
-	params := egcd.evmKeeper.GetParams(ctx)
-
-	ethCfg := params.ChainConfig.EthereumConfig(egcd.evmKeeper.ChainID())
-
-	blockHeight := big.NewInt(ctx.BlockHeight())
-	homestead := ethCfg.IsHomestead(blockHeight)
-	istanbul := ethCfg.IsIstanbul(blockHeight)
-	london := ethCfg.IsLondon(blockHeight)
-	evmDenom := params.EvmDenom
-	gasWanted := uint64(0)
-	var events sdk.Events
-
-	for _, msg := range reqTx.GetMsgs() {
-		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
-		if !ok {
-			return ctx, tx.Response{}, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
-		}
-
-		txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
-		if err != nil {
-			return ctx, tx.Response{}, sdkerrors.Wrap(err, "failed to unpack tx data")
-		}
-
-		if ctx.IsCheckTx() {
-			// We can't trust the tx gas limit, because we'll refund the unused gas.
-			if txData.GetGas() > egcd.maxGasWanted {
-				gasWanted += egcd.maxGasWanted
-			} else {
-				gasWanted += txData.GetGas()
-			}
-		} else {
-			gasWanted += txData.GetGas()
-		}
-
-		fees, err := egcd.evmKeeper.DeductTxCostsFromUserBalance(
-			ctx,
-			*msgEthTx,
-			txData,
-			evmDenom,
-			homestead,
-			istanbul,
-			london,
-		)
-		if err != nil {
-			return ctx, tx.Response{}, sdkerrors.Wrapf(err, "failed to deduct transaction costs from user balance")
-		}
-
-		events = append(events, sdk.NewEvent(sdk.EventTypeTx, sdk.NewAttribute(sdk.AttributeKeyFee, fees.String())))
-	}
-
-	// TODO: change to typed events
-	ctx.EventManager().EmitEvents(events)
-
-	// TODO: deprecate after https://github.com/cosmos/cosmos-sdk/issues/9514  is fixed on SDK
-	blockGasLimit := ethermint.BlockGasLimit(ctx)
-
-	// NOTE: safety check
-	if blockGasLimit > 0 {
-		// generate a copy of the gas pool (i.e block gas meter) to see if we've run out of gas for this block
-		// if current gas consumed is greater than the limit, this funcion panics and the error is recovered on the Baseapp
-		gasPool := sdk.NewGasMeter(blockGasLimit)
-		gasPool.ConsumeGas(ctx.GasMeter().GasConsumedToLimit(), "gas pool check")
-	}
-
-	// Set ctx.GasMeter with a limit of GasWanted (gasLimit)
-	gasConsumed := ctx.GasMeter().GasConsumed()
-	ctx = ctx.WithGasMeter(ethermint.NewInfiniteGasMeterWithLimit(gasWanted))
-	ctx.GasMeter().ConsumeGas(gasConsumed, "copy gas consumed")
-
-	return ctx, tx.Response{}, nil
-}
-
-// CheckTx implements tx.Handler
-func (egcd EthGasConsumeMiddleware) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	newCtx, _, err := ethGasMiddleware(egcd, ctx, req)
-	if err != nil {
-		return tx.Response{}, tx.ResponseCheckTx{}, err
-	}
-
-	return egcd.next.CheckTx(newCtx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (egcd EthGasConsumeMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	newCtx, _, err := ethGasMiddleware(egcd, ctx, req)
-	if err != nil {
-		return tx.Response{}, err
-	}
-
-	return egcd.next.DeliverTx(newCtx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (egcd EthGasConsumeMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	newCtx, _, err := ethGasMiddleware(egcd, ctx, req)
-	if err != nil {
-		return tx.Response{}, err
-	}
-
-	return egcd.next.SimulateTx(newCtx, req)
-}
-
-var _ tx.Handler = EthGasConsumeMiddleware{}
-
-// NewEthGasConsumeMiddleware creates a new EthGasConsumeMiddleware
-func NewEthGasConsumeMiddleware(
-	evmKeeper EVMKeeper,
-	maxGasWanted uint64,
-) tx.Middleware {
-	return func(h tx.Handler) tx.Handler {
-		return EthGasConsumeMiddleware{
-			h,
-			evmKeeper,
-			maxGasWanted,
-		}
-	}
-}
-
-// CanTransferMiddleware checks if the sender is allowed to transfer funds according to the EVM block
-// context rules.
-type CanTransferMiddleware struct {
-	next      tx.Handler
-	evmKeeper EVMKeeper
-}
-
-func canTransfer(ctd CanTransferMiddleware, cx context.Context, req tx.Request) (tx.Response, error) {
-	ctx := sdk.UnwrapSDKContext(cx)
-	reqTx := req.Tx
-	params := ctd.evmKeeper.GetParams(ctx)
-	ethCfg := params.ChainConfig.EthereumConfig(ctd.evmKeeper.ChainID())
-	signer := ethtypes.MakeSigner(ethCfg, big.NewInt(ctx.BlockHeight()))
-
-	for _, msg := range reqTx.GetMsgs() {
-		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
-		if !ok {
-			return tx.Response{}, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
-		}
-
-		baseFee := ctd.evmKeeper.BaseFee(ctx, ethCfg)
-
-		coreMsg, err := msgEthTx.AsMessage(signer, baseFee)
-		if err != nil {
-			return tx.Response{}, sdkerrors.Wrapf(
-				err,
-				"failed to create an ethereum core.Message from signer %T", signer,
-			)
-		}
-
-		// NOTE: pass in an empty coinbase address and nil tracer as we don't need them for the check below
-		cfg := &evmtypes.EVMConfig{
-			ChainConfig: ethCfg,
-			Params:      params,
-			CoinBase:    common.Address{},
-			BaseFee:     baseFee,
-		}
-		stateDB := statedb.New(ctx, ctd.evmKeeper, statedb.NewEmptyTxConfig(common.BytesToHash(ctx.HeaderHash().Bytes())))
-		evm := ctd.evmKeeper.NewEVM(ctx, coreMsg, cfg, evmtypes.NewNoOpTracer(), stateDB)
-
-		// check that caller has enough balance to cover asset transfer for **topmost** call
-		// NOTE: here the gas consumed is from the context with the infinite gas meter
-		if coreMsg.Value().Sign() > 0 && !evm.Context.CanTransfer(stateDB, coreMsg.From(), coreMsg.Value()) {
-			return tx.Response{}, sdkerrors.Wrapf(
-				sdkerrors.ErrInsufficientFunds,
-				"failed to transfer %s from address %s using the EVM block context transfer function",
-				coreMsg.Value(),
-				coreMsg.From(),
-			)
-		}
-
-		if evmtypes.IsLondon(ethCfg, ctx.BlockHeight()) {
-			if baseFee == nil {
-				return tx.Response{}, sdkerrors.Wrap(
-					evmtypes.ErrInvalidBaseFee,
-					"base fee is supported but evm block context value is nil",
-				)
-			}
-			if coreMsg.GasFeeCap().Cmp(baseFee) < 0 {
-				return tx.Response{}, sdkerrors.Wrapf(
-					sdkerrors.ErrInsufficientFee,
-					"max fee per gas less than block base fee (%s < %s)",
-					coreMsg.GasFeeCap(), baseFee,
-				)
-			}
-		}
-	}
-
-	return tx.Response{}, nil
-}
-
-// CheckTx implements tx.Handler
-func (ctd CanTransferMiddleware) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	if _, err := canTransfer(ctd, ctx, req); err != nil {
-		return tx.Response{}, tx.ResponseCheckTx{}, err
-	}
-
-	return ctd.next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (ctd CanTransferMiddleware) DeliverTx(cx context.Context, req tx.Request) (tx.Response, error) {
-	ctx := sdk.UnwrapSDKContext(cx)
-	if _, err := canTransfer(ctd, ctx, req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return ctd.next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (ctd CanTransferMiddleware) SimulateTx(cx context.Context, req tx.Request) (tx.Response, error) {
-	ctx := sdk.UnwrapSDKContext(cx)
-	if _, err := canTransfer(ctd, ctx, req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return ctd.next.SimulateTx(ctx, req)
-}
-
-var _ tx.Handler = CanTransferMiddleware{}
-
-// NewCanTransferMiddleware creates a new CanTransferMiddleware instance.
-func NewCanTransferMiddleware(evmKeeper EVMKeeper) tx.Middleware {
-	return func(h tx.Handler) tx.Handler {
-		return CanTransferMiddleware{
-			next:      h,
-			evmKeeper: evmKeeper,
-		}
-	}
-}
-
-// EthIncrementSenderSequenceMiddleware increments the sequence of the signers.
-type EthIncrementSenderSequenceMiddleware struct {
-	next tx.Handler
-	ak   evmtypes.AccountKeeper
-}
-
-func ethIncrementSenderSequence(issd EthIncrementSenderSequenceMiddleware, cx context.Context, req tx.Request) (tx.Response, error) {
-	ctx := sdk.UnwrapSDKContext(cx)
-	reqTx := req.Tx
-
-	for _, msg := range reqTx.GetMsgs() {
-		msgEthTx, ok := msg.(*evmtypes.MsgEthereumTx)
-		if !ok {
-			return tx.Response{}, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "invalid message type %T, expected %T", msg, (*evmtypes.MsgEthereumTx)(nil))
-		}
-
-		txData, err := evmtypes.UnpackTxData(msgEthTx.Data)
-		if err != nil {
-			return tx.Response{}, sdkerrors.Wrap(err, "failed to unpack tx data")
-		}
-
-		// increase sequence of sender
-		acc := issd.ak.GetAccount(ctx, msgEthTx.GetFrom())
-		if acc == nil {
-			return tx.Response{}, sdkerrors.Wrapf(
-				sdkerrors.ErrUnknownAddress,
-				"account %s is nil", common.BytesToAddress(msgEthTx.GetFrom().Bytes()),
-			)
-		}
-		nonce := acc.GetSequence()
-
-		// we merged the nonce verification to nonce increment, so when tx includes multiple messages
-		// with same sender, they'll be accepted.
-		if txData.GetNonce() != nonce {
-			return tx.Response{}, sdkerrors.Wrapf(
-				sdkerrors.ErrInvalidSequence,
-				"invalid nonce; got %d, expected %d", txData.GetNonce(), nonce,
-			)
-		}
-
-		if err := acc.SetSequence(nonce + 1); err != nil {
-			return tx.Response{}, sdkerrors.Wrapf(err, "failed to set sequence to %d", acc.GetSequence()+1)
-		}
-
-		issd.ak.SetAccount(ctx, acc)
-	}
-
-	return tx.Response{}, nil
-}
-
-// CheckTx implements tx.Handler
-func (issd EthIncrementSenderSequenceMiddleware) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	if _, err := ethIncrementSenderSequence(issd, ctx, req); err != nil {
-		return tx.Response{}, tx.ResponseCheckTx{}, err
-	}
-
-	return issd.next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (issd EthIncrementSenderSequenceMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	if _, err := ethIncrementSenderSequence(issd, ctx, req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return issd.next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (issd EthIncrementSenderSequenceMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	if _, err := ethIncrementSenderSequence(issd, ctx, req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return issd.next.SimulateTx(ctx, req)
-}
-
-var _ tx.Handler = EthIncrementSenderSequenceMiddleware{}
-
-// NewEthIncrementSenderSequenceMiddleware creates a new EthIncrementSenderSequenceMiddleware.
-func NewEthIncrementSenderSequenceMiddleware(ak evmtypes.AccountKeeper) tx.Middleware {
-	return func(h tx.Handler) tx.Handler {
-		return EthIncrementSenderSequenceMiddleware{
-			next: h,
-			ak:   ak,
-		}
-	}
-}

app/middleware/middleware.go

@@ -1,116 +0,0 @@
-package middleware
-
-import (
-	"context"
-
-	sdk "github.com/cosmos/cosmos-sdk/types"
-	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
-	"github.com/cosmos/cosmos-sdk/types/tx"
-	"github.com/cosmos/cosmos-sdk/types/tx/signing"
-	authmiddleware "github.com/cosmos/cosmos-sdk/x/auth/middleware"
-	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
-	"github.com/tharsis/ethermint/crypto/ethsecp256k1"
-)
-
-const (
-	secp256k1VerifyCost uint64 = 21000
-)
-
-type txRouter struct {
-	eth, cosmos, eip712 tx.Handler
-}
-
-var _ tx.Handler = txRouter{}
-
-func NewTxHandler(options HandlerOptions) tx.Handler {
-	return authmiddleware.ComposeMiddlewares(
-		authmiddleware.NewRunMsgsTxHandler(options.MsgServiceRouter, options.LegacyRouter),
-		authmiddleware.NewTxDecoderMiddleware(options.TxDecoder),
-		NewTxRouterMiddleware(options),
-	)
-}
-
-func NewTxRouterMiddleware(options HandlerOptions) tx.Middleware {
-	ethMiddleware := newEthAuthMiddleware(options)
-	cosmoseip712 := newCosmosMiddlewareEip712(options)
-	cosmosMiddleware := newCosmosAuthMiddleware(options)
-	return func(txh tx.Handler) tx.Handler {
-		return txRouter{
-			eth:    ethMiddleware(txh),
-			cosmos: cosmosMiddleware(txh),
-			eip712: cosmoseip712(txh),
-		}
-	}
-}
-
-// CheckTx implements tx.Handler
-func (txh txRouter) route(req tx.Request) (tx.Handler, error) {
-	txWithExtensions, ok := req.Tx.(authmiddleware.HasExtensionOptionsTx)
-	if ok {
-		opts := txWithExtensions.GetExtensionOptions()
-		if len(opts) > 0 {
-			var next tx.Handler
-			switch typeURL := opts[0].GetTypeUrl(); typeURL {
-			case "/ethermint.evm.v1.ExtensionOptionsEthereumTx":
-				// handle as *evmtypes.MsgEthereumTx
-				next = txh.eth
-			case "/ethermint.types.v1.ExtensionOptionsWeb3Tx":
-				// handle as normal Cosmos SDK tx, except signature is checked for EIP712 representation
-				next = txh.eip712
-			default:
-				return nil, sdkerrors.Wrapf(
-					sdkerrors.ErrUnknownExtensionOptions,
-					"rejecting tx with unsupported extension option: %s", typeURL,
-				)
-			}
-			return next, nil
-		}
-	}
-	// handle as totally normal Cosmos SDK tx
-	return txh.cosmos, nil
-}
-
-// CheckTx implements tx.Handler
-func (txh txRouter) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (res tx.Response, rct tx.ResponseCheckTx, err error) {
-	next, err := txh.route(req)
-	if err != nil {
-		return
-	}
-	return next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (txh txRouter) DeliverTx(ctx context.Context, req tx.Request) (res tx.Response, err error) {
-	next, err := txh.route(req)
-	if err != nil {
-		return
-	}
-	return next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (txh txRouter) SimulateTx(ctx context.Context, req tx.Request) (res tx.Response, err error) {
-	next, err := txh.route(req)
-	if err != nil {
-		return
-	}
-	return next.SimulateTx(ctx, req)
-}
-
-var _ = DefaultSigVerificationGasConsumer
-
-// DefaultSigVerificationGasConsumer is the default implementation of SignatureVerificationGasConsumer. It consumes gas
-// for signature verification based upon the public key type. The cost is fetched from the given params and is matched
-// by the concrete type.
-func DefaultSigVerificationGasConsumer(
-	meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params,
-) error {
-	// support for ethereum ECDSA secp256k1 keys
-	_, ok := sig.PubKey.(*ethsecp256k1.PubKey)
-	if ok {
-		meter.ConsumeGas(secp256k1VerifyCost, "ante verify: eth_secp256k1")
-		return nil
-	}
-
-	return authmiddleware.DefaultSigVerificationGasConsumer(meter, sig, params)
-}

app/middleware/options.go

@@ -1,178 +0,0 @@
-package middleware
-
-import (
-	"github.com/cosmos/cosmos-sdk/codec"
-	"github.com/cosmos/cosmos-sdk/types/tx"
-	"github.com/cosmos/cosmos-sdk/types/tx/signing"
-	evmtypes "github.com/tharsis/ethermint/x/evm/types"
-
-	sdk "github.com/cosmos/cosmos-sdk/types"
-	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
-	authmiddleware "github.com/cosmos/cosmos-sdk/x/auth/middleware"
-	authsigning "github.com/cosmos/cosmos-sdk/x/auth/signing"
-	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
-)
-
-// HandlerOptions extend the SDK's TxHandler options by requiring the IBC
-// channel keeper, EVM Keeper and Fee Market Keeper.
-type HandlerOptions struct {
-	Debug bool
-
-	Codec codec.Codec
-	// TxDecoder is used to decode the raw tx bytes into a sdk.Tx.
-	TxDecoder sdk.TxDecoder
-
-	// IndexEvents defines the set of events in the form {eventType}.{attributeKey},
-	// which informs Tendermint what to index. If empty, all events will be indexed.
-	IndexEvents map[string]struct{}
-
-	LegacyRouter     sdk.Router
-	MsgServiceRouter *authmiddleware.MsgServiceRouter
-
-	ExtensionOptionChecker authmiddleware.ExtensionOptionChecker
-	TxFeeChecker           authmiddleware.TxFeeChecker
-
-	AccountKeeper   evmtypes.AccountKeeper
-	BankKeeper      evmtypes.BankKeeper
-	FeeMarketKeeper evmtypes.FeeMarketKeeper
-	EvmKeeper       EVMKeeper
-	FeegrantKeeper  authmiddleware.FeegrantKeeper
-	SignModeHandler authsigning.SignModeHandler
-	SigGasConsumer  func(meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params) error
-	MaxTxGasWanted  uint64
-}
-
-func (options HandlerOptions) Validate() error {
-	if options.TxDecoder == nil {
-		return sdkerrors.Wrap(sdkerrors.ErrLogic, "txDecoder is required for middlewares")
-	}
-	if options.SignModeHandler == nil {
-		return sdkerrors.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for middlewares")
-	}
-	if options.AccountKeeper == nil {
-		return sdkerrors.Wrap(sdkerrors.ErrLogic, "account keeper is required for middlewares")
-	}
-	if options.BankKeeper == nil {
-		return sdkerrors.Wrap(sdkerrors.ErrLogic, "bank keeper is required for middlewares")
-	}
-	if options.SignModeHandler == nil {
-		return sdkerrors.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for middlewares")
-	}
-	if options.FeeMarketKeeper == nil {
-		return sdkerrors.Wrap(sdkerrors.ErrLogic, "fee market keeper is required for middlewares")
-	}
-	if options.EvmKeeper == nil {
-		return sdkerrors.Wrap(sdkerrors.ErrLogic, "evm keeper is required for middlewares")
-	}
-	return nil
-}
-
-func newEthAuthMiddleware(options HandlerOptions) tx.Middleware {
-	stack := []tx.Middleware{
-		NewEthSetUpContextMiddleware(options.EvmKeeper),
-		NewEthMempoolFeeMiddleware(options.EvmKeeper),
-		authmiddleware.NewIndexEventsTxMiddleware(options.IndexEvents),
-		NewEthValidateBasicMiddleware(options.EvmKeeper),
-		NewEthSigVerificationMiddleware(options.EvmKeeper),
-		NewEthAccountVerificationMiddleware(options.AccountKeeper, options.BankKeeper, options.EvmKeeper),
-		NewEthGasConsumeMiddleware(options.EvmKeeper, options.MaxTxGasWanted),
-		NewCanTransferMiddleware(options.EvmKeeper),
-		NewEthIncrementSenderSequenceMiddleware(options.AccountKeeper),
-	}
-	return func(txh tx.Handler) tx.Handler {
-		return authmiddleware.ComposeMiddlewares(txh, stack...)
-	}
-}
-
-func newCosmosAuthMiddleware(options HandlerOptions) tx.Middleware {
-	stack := []tx.Middleware{
-		NewRejectMessagesMiddleware,
-		// Set a new GasMeter on sdk.Context.
-		//
-		// Make sure the Gas middleware is outside of all other middlewares
-		// that reads the GasMeter. In our case, the Recovery middleware reads
-		// the GasMeter to populate GasInfo.
-		authmiddleware.GasTxMiddleware,
-		// Recover from panics. Panics outside of this middleware won't be
-		// caught, be careful!
-		authmiddleware.RecoveryTxMiddleware,
-		// Choose which events to index in Tendermint. Make sure no events are
-		// emitted outside of this middleware.
-		authmiddleware.NewIndexEventsTxMiddleware(options.IndexEvents),
-		// Reject all extension options other than the ones needed by the feemarket.
-		authmiddleware.NewExtensionOptionsMiddleware(options.ExtensionOptionChecker),
-		authmiddleware.ValidateBasicMiddleware,
-		authmiddleware.TxTimeoutHeightMiddleware,
-		authmiddleware.ValidateMemoMiddleware(options.AccountKeeper),
-		authmiddleware.ConsumeTxSizeGasMiddleware(options.AccountKeeper),
-		// No gas should be consumed in any middleware above in a "post" handler part. See
-		// ComposeMiddlewares godoc for details.
-		// `DeductFeeMiddleware` and `IncrementSequenceMiddleware` should be put outside of `WithBranchedStore` middleware,
-		// so their storage writes are not discarded when tx fails.
-		authmiddleware.DeductFeeMiddleware(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
-		authmiddleware.SetPubKeyMiddleware(options.AccountKeeper),
-		authmiddleware.ValidateSigCountMiddleware(options.AccountKeeper),
-		authmiddleware.SigGasConsumeMiddleware(options.AccountKeeper, options.SigGasConsumer),
-		authmiddleware.SigVerificationMiddleware(options.AccountKeeper, options.SignModeHandler),
-		authmiddleware.IncrementSequenceMiddleware(options.AccountKeeper),
-		// Creates a new MultiStore branch, discards downstream writes if the downstream returns error.
-		// These kinds of middlewares should be put under this:
-		// - Could return error after messages executed succesfully.
-		// - Storage writes should be discarded together when tx failed.
-		authmiddleware.WithBranchedStore,
-		// Consume block gas. All middlewares whose gas consumption after their `next` handler
-		// should be accounted for, should go below this middleware.
-		authmiddleware.ConsumeBlockGasMiddleware,
-		authmiddleware.NewTipMiddleware(options.BankKeeper),
-	}
-	return func(txh tx.Handler) tx.Handler {
-		return authmiddleware.ComposeMiddlewares(txh, stack...)
-	}
-}
-
-func newCosmosMiddlewareEip712(options HandlerOptions) tx.Middleware {
-	stack := []tx.Middleware{
-		NewRejectMessagesMiddleware,
-		// Set a new GasMeter on sdk.Context.
-		//
-		// Make sure the Gas middleware is outside of all other middlewares
-		// that reads the GasMeter. In our case, the Recovery middleware reads
-		// the GasMeter to populate GasInfo.
-		authmiddleware.GasTxMiddleware,
-		// Recover from panics. Panics outside of this middleware won't be
-		// caught, be careful!
-		authmiddleware.RecoveryTxMiddleware,
-		// Choose which events to index in Tendermint. Make sure no events are
-		// emitted outside of this middleware.
-		authmiddleware.NewIndexEventsTxMiddleware(options.IndexEvents),
-		// Reject all extension options other than the ones needed by the feemarket.
-		// authmiddleware.NewExtensionOptionsMiddleware(options.ExtensionOptionChecker),
-		authmiddleware.ValidateBasicMiddleware,
-		authmiddleware.TxTimeoutHeightMiddleware,
-		authmiddleware.ValidateMemoMiddleware(options.AccountKeeper),
-		authmiddleware.ConsumeTxSizeGasMiddleware(options.AccountKeeper),
-		// No gas should be consumed in any middleware above in a "post" handler part. See
-		// ComposeMiddlewares godoc for details.
-		// `DeductFeeMiddleware` and `IncrementSequenceMiddleware` should be put outside of `WithBranchedStore` middleware,
-		// so their storage writes are not discarded when tx fails.
-		authmiddleware.DeductFeeMiddleware(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeeChecker),
-		authmiddleware.SetPubKeyMiddleware(options.AccountKeeper),
-		authmiddleware.ValidateSigCountMiddleware(options.AccountKeeper),
-		authmiddleware.SigGasConsumeMiddleware(options.AccountKeeper, options.SigGasConsumer),
-		// Note: signature verification uses EIP instead of the cosmos signature validator
-		NewEip712SigVerificationMiddleware(options.Codec, options.AccountKeeper, options.SignModeHandler),
-		authmiddleware.IncrementSequenceMiddleware(options.AccountKeeper),
-		// Creates a new MultiStore branch, discards downstream writes if the downstream returns error.
-		// These kinds of middlewares should be put under this:
-		// - Could return error after messages executed succesfully.
-		// - Storage writes should be discarded together when tx failed.
-		authmiddleware.WithBranchedStore,
-		// Consume block gas. All middlewares whose gas consumption after their `next` handler
-		// should be accounted for, should go below this middleware.
-		authmiddleware.ConsumeBlockGasMiddleware,
-		authmiddleware.NewTipMiddleware(options.BankKeeper),
-	}
-	return func(txh tx.Handler) tx.Handler {
-		return authmiddleware.ComposeMiddlewares(txh, stack...)
-	}
-}

app/middleware/reject.go

@@ -1,67 +0,0 @@
-package middleware
-
-import (
-	context "context"
-
-	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
-	"github.com/cosmos/cosmos-sdk/types/tx"
-	evmtypes "github.com/tharsis/ethermint/x/evm/types"
-)
-
-// RejectMessagesMiddleware prevents invalid msg types from being executed
-type RejectMessagesMiddleware struct {
-	next tx.Handler
-}
-
-func NewRejectMessagesMiddleware(txh tx.Handler) tx.Handler {
-	return RejectMessagesMiddleware{
-		next: txh,
-	}
-}
-
-// Middleware rejects messages that requires ethereum-specific authentication.
-// For example `MsgEthereumTx` requires fee to be deducted in the antehandler in
-// order to perform the refund.
-
-// CheckTx implements tx.Handler
-func (rmd RejectMessagesMiddleware) CheckTx(ctx context.Context, req tx.Request, checkReq tx.RequestCheckTx) (tx.Response, tx.ResponseCheckTx, error) {
-	if _, err := reject(req); err != nil {
-		return tx.Response{}, tx.ResponseCheckTx{}, err
-	}
-
-	return rmd.next.CheckTx(ctx, req, checkReq)
-}
-
-// DeliverTx implements tx.Handler
-func (rmd RejectMessagesMiddleware) DeliverTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	if _, err := reject(req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return rmd.next.DeliverTx(ctx, req)
-}
-
-// SimulateTx implements tx.Handler
-func (rmd RejectMessagesMiddleware) SimulateTx(ctx context.Context, req tx.Request) (tx.Response, error) {
-	if _, err := reject(req); err != nil {
-		return tx.Response{}, err
-	}
-
-	return rmd.next.SimulateTx(ctx, req)
-}
-
-func reject(req tx.Request) (tx.Response, error) {
-	reqTx := req.Tx
-	for _, msg := range reqTx.GetMsgs() {
-		if _, ok := msg.(*evmtypes.MsgEthereumTx); ok {
-			return tx.Response{}, sdkerrors.Wrapf(
-				sdkerrors.ErrInvalidType,
-				"MsgEthereumTx needs to be contained within a tx with 'ExtensionOptionsEthereumTx' option",
-			)
-		}
-	}
-
-	return tx.Response{}, nil
-}
-
-var _ tx.Handler = RejectMessagesMiddleware{}

cmd/chibaclonkd/root.go

@@ -17,6 +17,7 @@ import (
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
 	"github.com/cosmos/cosmos-sdk/simapp/params"
 	"github.com/cosmos/cosmos-sdk/snapshots"
+	snapshottypes "github.com/cosmos/cosmos-sdk/snapshots/types"
 	"github.com/cosmos/cosmos-sdk/store"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	authcmd "github.com/cosmos/cosmos-sdk/x/auth/client/cli"
@@ -30,12 +31,12 @@ import (
 	tmcli "github.com/tendermint/tendermint/libs/cli"
 	tmlog "github.com/tendermint/tendermint/libs/log"
 
+	"github.com/cosmos/cosmos-sdk/server"
 	"github.com/tharsis/ethermint/app"
 	ethermintclient "github.com/tharsis/ethermint/client"
 	"github.com/tharsis/ethermint/client/debug"
 	"github.com/tharsis/ethermint/crypto/hd"
 	"github.com/tharsis/ethermint/encoding"
-	"github.com/tharsis/ethermint/server"
 	servercfg "github.com/tharsis/ethermint/server/config"
 	srvflags "github.com/tharsis/ethermint/server/flags"
 	ethermint "github.com/tharsis/ethermint/types"
@@ -232,6 +233,10 @@ func (a appCreator) newApp(logger tmlog.Logger, db dbm.DBConnection, traceStore
 	if err != nil {
 		panic(err)
 	}
+	snapshotOptions := snapshottypes.NewSnapshotOptions(
+		cast.ToUint64(appOpts.Get(server.FlagStateSyncSnapshotInterval)),
+		cast.ToUint32(appOpts.Get(server.FlagStateSyncSnapshotKeepRecent)),
+	)
 
 	ethermintApp := app.NewEthermintApp(
 		logger, db, traceStore, true, skipUpgradeHeights,
@@ -247,9 +252,7 @@ func (a appCreator) newApp(logger tmlog.Logger, db dbm.DBConnection, traceStore
 		baseapp.SetInterBlockCache(cache),
 		baseapp.SetTrace(cast.ToBool(appOpts.Get(sdkserver.FlagTrace))),
 		baseapp.SetIndexEvents(cast.ToStringSlice(appOpts.Get(sdkserver.FlagIndexEvents))),
-		baseapp.SetSnapshotStore(snapshotStore),
+		baseapp.SetSnapshot(snapshotStore, snapshotOptions),
-		baseapp.SetSnapshotInterval(cast.ToUint64(appOpts.Get(sdkserver.FlagStateSyncSnapshotInterval))),
-		baseapp.SetSnapshotKeepRecent(cast.ToUint32(appOpts.Get(sdkserver.FlagStateSyncSnapshotKeepRecent))),
 	)
 
 	return ethermintApp

go.mod

@@ -3,13 +3,14 @@ module github.com/tharsis/ethermint
 go 1.17
 
 require (
+	cosmossdk.io/math v1.0.0-beta.2
 	github.com/99designs/gqlgen v0.17.2
-	github.com/btcsuite/btcd v0.22.0-beta
+	github.com/btcsuite/btcd v0.22.1
 	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
-	github.com/cosmos/cosmos-sdk v0.46.0-beta2
+	github.com/cosmos/cosmos-sdk v0.46.0-rc1
 	github.com/cosmos/cosmos-sdk/db v1.0.0-beta.1
 	github.com/cosmos/go-bip39 v1.0.0
-	github.com/cosmos/ibc-go/v3 v3.0.0-alpha1.0.20220517190049-c4ce2b908a1e
+	github.com/cosmos/ibc-go/v3 v3.0.0-alpha1.0.20220530074104-c7c115244bad
 	github.com/davecgh/go-spew v1.1.1
 	github.com/deckarep/golang-set v1.8.0
 	github.com/ethereum/go-ethereum v1.10.17
@@ -21,7 +22,9 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
 	github.com/holiman/uint256 v1.2.0
 	github.com/improbable-eng/grpc-web v0.15.0
+	github.com/ipfs/go-cid v0.0.4
 	github.com/ipfs/go-ipld-cbor v0.0.6
+	github.com/ipld/go-ipld-prime v0.16.0
 	github.com/miguelmota/go-ethereum-hdwallet v0.1.1
 	github.com/multiformats/go-multihash v0.1.0
 	github.com/onsi/ginkgo v1.16.5
@@ -30,50 +33,54 @@ require (
 	github.com/regen-network/cosmos-proto v0.3.1
 	github.com/rs/cors v1.8.2
 	github.com/rs/zerolog v1.26.1
-	github.com/spf13/cast v1.4.1
+	github.com/spf13/cast v1.5.0
 	github.com/spf13/cobra v1.4.0
-	github.com/spf13/viper v1.10.1
+	github.com/spf13/viper v1.11.0
 	github.com/status-im/keycard-go v0.0.0-20200402102358-957c09536969
 	github.com/stretchr/testify v1.7.1
-	github.com/tendermint/tendermint v0.35.2
+	github.com/tendermint/tendermint v0.35.4
 	github.com/tyler-smith/go-bip39 v1.1.0
 	github.com/vektah/gqlparser/v2 v2.4.1
-	google.golang.org/genproto v0.0.0-20220401170504-314d38edb7de
+	google.golang.org/genproto v0.0.0-20220407144326-9054f6ed7bac
-	google.golang.org/grpc v1.45.0
+	google.golang.org/grpc v1.46.2
 	google.golang.org/protobuf v1.28.0
 	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )
 
 require (
-	cloud.google.com/go v0.99.0 // indirect
+	cloud.google.com/go v0.100.2 // indirect
+	cloud.google.com/go/compute v1.5.0 // indirect
+	cloud.google.com/go/iam v0.3.0 // indirect
 	cloud.google.com/go/storage v1.14.0 // indirect
+	cosmossdk.io/api v0.1.0-alpha8 // indirect
+	cosmossdk.io/errors v1.0.0-beta.6 // indirect
 	filippo.io/edwards25519 v1.0.0-rc.1 // indirect
 	github.com/99designs/keyring v1.1.6 // indirect
 	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
 	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
 	github.com/Workiva/go-datastructures v1.0.53 // indirect
 	github.com/agnivade/levenshtein v1.1.0 // indirect
-	github.com/armon/go-metrics v0.3.10 // indirect
+	github.com/armon/go-metrics v0.3.11 // indirect
 	github.com/aws/aws-sdk-go v1.40.45 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
 	github.com/bgentry/speakeasy v0.1.0 // indirect
 	github.com/btcsuite/btcd/btcec/v2 v2.1.2 // indirect
+	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.1.1 // indirect
 	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/cockroachdb/apd/v2 v2.0.2 // indirect
-	github.com/coinbase/rosetta-sdk-go v0.7.7 // indirect
+	github.com/coinbase/rosetta-sdk-go v0.7.9 // indirect
 	github.com/confio/ics23/go v0.7.0 // indirect
 	github.com/cosmos/btcutil v1.0.4 // indirect
 	github.com/cosmos/cosmos-proto v1.0.0-alpha7 // indirect
-	github.com/cosmos/cosmos-sdk/api v0.1.0 // indirect
-	github.com/cosmos/cosmos-sdk/errors v1.0.0-beta.3 // indirect
 	github.com/cosmos/gorocksdb v1.2.0 // indirect
 	github.com/cosmos/iavl v0.18.0 // indirect
 	github.com/cosmos/ledger-cosmos-go v0.11.1 // indirect
 	github.com/cosmos/ledger-go v0.9.2 // indirect
+	github.com/creachadair/taskgroup v0.3.2 // indirect
 	github.com/danieljoos/wincred v1.0.2 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
@@ -101,16 +108,16 @@ require (
 	github.com/google/flatbuffers v2.0.0+incompatible // indirect
 	github.com/google/orderedcode v0.0.1 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/googleapis/gax-go/v2 v2.1.1 // indirect
+	github.com/googleapis/gax-go/v2 v2.3.0 // indirect
 	github.com/gorilla/handlers v1.5.1 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/gsterjov/go-libsecret v0.0.0-20161001094733-a6f4afe4910c // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
-	github.com/hashicorp/go-getter v1.5.11 // indirect
+	github.com/hashicorp/go-getter v1.6.1 // indirect
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
 	github.com/hashicorp/go-safetemp v1.0.0 // indirect
-	github.com/hashicorp/go-version v1.2.1 // indirect
+	github.com/hashicorp/go-version v1.4.0 // indirect
 	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/hdevalence/ed25519consensus v0.0.0-20220222234857-c00d1f31bab3 // indirect
@@ -118,10 +125,8 @@ require (
 	github.com/huin/goupnp v1.0.3-0.20220313090229-ca81a64b4204 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/ipfs/go-block-format v0.0.2 // indirect
-	github.com/ipfs/go-cid v0.0.4 // indirect
 	github.com/ipfs/go-ipfs-util v0.0.1 // indirect
 	github.com/ipfs/go-ipld-format v0.0.1 // indirect
-	github.com/ipld/go-ipld-prime v0.16.0 // indirect
 	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/jmhodges/levigo v1.0.0 // indirect
@@ -129,7 +134,7 @@ require (
 	github.com/klauspost/compress v1.13.6 // indirect
 	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
 	github.com/lazyledger/smt v0.2.1-0.20210709230900-03ea40719554 // indirect
-	github.com/lib/pq v1.10.4 // indirect
+	github.com/lib/pq v1.10.5 // indirect
 	github.com/libp2p/go-buffer-pool v0.0.2 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
@@ -150,12 +155,13 @@ require (
 	github.com/oasisprotocol/curve25519-voi v0.0.0-20210609091139-0a56a4bca00b // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.0-beta.8 // indirect
 	github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/polydawn/refmt v0.0.0-20201211092308-30ac6d18308e // indirect
-	github.com/prometheus/client_golang v1.12.1 // indirect
+	github.com/prometheus/client_golang v1.12.2 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.33.0 // indirect
+	github.com/prometheus/common v0.34.0 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
 	github.com/prometheus/tsdb v0.7.1 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect
@@ -163,7 +169,7 @@ require (
 	github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa // indirect
 	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
-	github.com/spf13/afero v1.8.0 // indirect
+	github.com/spf13/afero v1.8.2 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/subosito/gotenv v1.2.0 // indirect
@@ -179,18 +185,18 @@ require (
 	github.com/zondax/hid v0.9.1-0.20220302062450-5552068d2266 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
 	go.opencensus.io v0.23.0 // indirect
-	golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29 // indirect
+	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
-	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
+	golang.org/x/net v0.0.0-20220412020605-290c469a71a5 // indirect
-	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b // indirect
+	golang.org/x/oauth2 v0.0.0-20220411215720-9780585627b5 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
-	golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect
+	golang.org/x/sys v0.0.0-20220517195934-5e4e11fc645e // indirect
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
 	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/tools v0.1.9 // indirect
+	golang.org/x/tools v0.1.10 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f // indirect
-	google.golang.org/api v0.63.0 // indirect
+	google.golang.org/api v0.74.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	gopkg.in/ini.v1 v1.66.3 // indirect
+	gopkg.in/ini.v1 v1.66.4 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
@@ -203,7 +209,7 @@ replace (
 	github.com/99designs/keyring => github.com/cosmos/keyring v1.1.7-0.20210622111912-ef00f8ac3d76
 
 	// replace cosmos
-	github.com/cosmos/cosmos-sdk => github.com/vulcanize/cosmos-sdk v0.46.0-smt-0.0.3-alpha
+	github.com/cosmos/cosmos-sdk => github.com/vulcanize/cosmos-sdk v0.46.0-smt-0.0.3-alpha.0.20220602081401-1a6a5a00241b
 	github.com/cosmos/cosmos-sdk/db => github.com/vulcanize/cosmos-sdk/db v1.0.0-beta.1
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 	google.golang.org/grpc => google.golang.org/grpc v1.44.0

go.sum

@@ -33,8 +33,9 @@ cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+Y
 cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4=
 cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc=
 cloud.google.com/go v0.98.0/go.mod h1:ua6Ush4NALrHk5QXDWnjvZHN93OuF0HfuEPq9I1X0cM=
-cloud.google.com/go v0.99.0 h1:y/cM2iqGgGi5D5DQZl6D9STN/3dR/Vx5Mp8s752oJTY=
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+cloud.google.com/go v0.100.2 h1:t9Iw5QH5v4XtlEQaCtUY7x6sCABps8sW0acw7e2WQ6Y=
+cloud.google.com/go v0.100.2/go.mod h1:4Xra9TjzAeYHrl5+oeLlzbM2k3mjVhZh4UqTZ//w99A=
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@@ -42,10 +43,16 @@ cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUM
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@@ -61,6 +68,12 @@ cloud.google.com/go/storage v1.14.0 h1:6RRlFMv1omScs6iq2hfE3IvgE+l6RfJPampq8UZc5
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@@ -72,7 +85,10 @@ github.com/Antonboom/errname v0.1.5/go.mod h1:DugbBstvPFQbv/5uLcRRzfrNqKE9tVdVCq
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@@ -90,6 +106,7 @@ github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6L
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@@ -123,8 +140,9 @@ github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/
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@@ -156,13 +174,15 @@ github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hC
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@@ -196,6 +216,7 @@ github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kB
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@@ -206,11 +227,14 @@ github.com/btcsuite/btcd v0.0.0-20190315201642-aa6e0f35703c/go.mod h1:DrZx5ec/dm
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@@ -267,8 +291,8 @@ github.com/cockroachdb/apd/v2 v2.0.2/go.mod h1:DDxRlzC2lo3/vSlmSoS7JkqbbrARPuFOG
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@@ -293,18 +317,14 @@ github.com/cosmos/btcutil v1.0.4 h1:n7C2ngKXo7UC9gNyMNLbzqz7Asuf+7Qv4gnX/rOdQ44=
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@@ -315,11 +335,16 @@ github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc
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@@ -338,7 +363,9 @@ github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeC
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@@ -388,16 +415,17 @@ github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7
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@@ -417,6 +445,8 @@ github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2
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@@ -434,6 +464,7 @@ github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE
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@@ -506,6 +537,8 @@ github.com/gogo/gateway v1.1.0/go.mod h1:S7rR8FRQyG3QFESeSv4l2WnsyzlCLG0CzBbUUo/
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@@ -557,6 +590,7 @@ github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a/go.mod h1:ryS0uhF+x9
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@@ -629,8 +663,10 @@ github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
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@@ -698,11 +734,12 @@ github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtng
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@@ -722,8 +759,9 @@ github.com/hashicorp/go-uuid v1.0.1 h1:fv1ep09latC32wFoVwnqcnKJGnMSdBanPczbHAYm1
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@@ -742,6 +780,7 @@ github.com/hashicorp/memberlist v0.3.0/go.mod h1:MS2lj3INKhZjWNqd3N0m3J+Jxf3DAOn
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@@ -755,7 +794,6 @@ github.com/huandu/xstrings v1.2.0/go.mod h1:DvyZB1rfVYsBIigL8HwpZgxHwXozlTgGqn63
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@@ -784,7 +822,6 @@ github.com/influxdata/usage-client v0.0.0-20160829180054-6d3895376368/go.mod h1:
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@@ -803,8 +840,13 @@ github.com/jedisct1/go-minisign v0.0.0-20190909160543-45766022959e/go.mod h1:G1C
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@@ -860,6 +902,7 @@ github.com/klauspost/compress v1.13.4/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8
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@@ -898,8 +941,9 @@ github.com/letsencrypt/pkcs11key/v4 v4.0.0/go.mod h1:EFUvBDay26dErnNb70Nd0/VW3tJ
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@@ -1024,6 +1068,7 @@ github.com/multiformats/go-base32 v0.0.3 h1:tw5+NhuwaOjJCC5Pp82QuXbrmLzWg7uxlMFp
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@@ -1082,13 +1127,15 @@ github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vv
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@@ -1125,6 +1172,8 @@ github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtP
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@@ -1137,6 +1186,7 @@ github.com/philhofer/fwd v1.0.0/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG
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@@ -1149,7 +1199,6 @@ github.com/pkg/term v0.0.0-20180730021639-bffc007b7fd5/go.mod h1:eCbImbZ95eXtAUI
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@@ -1165,8 +1214,9 @@ github.com/prometheus/client_golang v1.3.0/go.mod h1:hJaj2vgQTGQmVCsAACORcieXFeD
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@@ -1245,6 +1295,7 @@ github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb
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@@ -1252,6 +1303,7 @@ github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa/go.mod h1:F7
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
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@@ -1262,6 +1314,7 @@ github.com/shazow/go-diff v0.0.0-20160112020656-b6b7b6733b8c/go.mod h1:/PevMnwAx
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@@ -1272,6 +1325,7 @@ github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
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@@ -1289,11 +1343,13 @@ github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2
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-github.com/spf13/afero v1.8.0 h1:5MmtuhAgYeU6qpa7w7bP0dv6MBYuup0vekhSpSkoq60=
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+github.com/spf13/afero v1.8.2 h1:xehSyVa0YnHWsJ49JFljMpg1HX19V6NDZ1fkm1Xznbo=
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 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/cast v1.4.1 h1:s0hze+J0196ZfEMTs80N7UlFt0BDuQ7Q+JDnHiMWKdA=
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+github.com/spf13/cast v1.5.0 h1:rj3WzYc11XZaIZMPKmwP96zkFEnnAmV8s6XbB2aY32w=
+github.com/spf13/cast v1.5.0/go.mod h1:SpXXQ5YoyJw6s3/6cMTQuxvgRl3PCJiyaX9p6b155UU=
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@@ -1311,8 +1367,9 @@ github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DM
 github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE=
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-github.com/spf13/viper v1.10.1 h1:nuJZuYpG7gTj/XqiUwg8bA0cp1+M2mC3J4g5luUYBKk=
 github.com/spf13/viper v1.10.1/go.mod h1:IGlFPqhNAPKRxohIzWpI5QEy4kuI7tcl5WvR+8qy1rU=
+github.com/spf13/viper v1.11.0 h1:7OX/1FS6n7jHD1zGrZTM7WtY13ZELRyosK4k93oPr44=
+github.com/spf13/viper v1.11.0/go.mod h1:djo0X/bA5+tYVoCn+C7cAYJGcVn/qYLFTG8gdUsX7Zk=
 github.com/ssgreg/nlreturn/v2 v2.2.1/go.mod h1:E/iiPB78hV7Szg2YfRgyIrk1AD6JVMTRkkxBiELzh2I=
 github.com/status-im/keycard-go v0.0.0-20190316090335-8537d3370df4/go.mod h1:RZLeN1LMWmRsyYjvAu+I6Dm9QmlDaIIt+Y+4Kd7Tp+Q=
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@@ -1353,8 +1410,9 @@ github.com/tendermint/crypto v0.0.0-20191022145703-50d29ede1e15 h1:hqAk8riJvK4RM
 github.com/tendermint/crypto v0.0.0-20191022145703-50d29ede1e15/go.mod h1:z4YtwM70uOnk8h0pjJYlj3zdYwi9l03By6iAIF5j/Pk=
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 github.com/tendermint/go-amino v0.16.0/go.mod h1:TQU0M1i/ImAo+tYpZi73AU3V/dKeCoMC9Sphe2ZwGME=
-github.com/tendermint/tendermint v0.35.2 h1:AhPjef5hptLQP5i8vs+8zMCu9mczX5fvBd2F575QXVk=
 github.com/tendermint/tendermint v0.35.2/go.mod h1:0sVA1nOm5KKaxHar3aIzmMGKH9F/nBMn7T5ruQGZuHg=
+github.com/tendermint/tendermint v0.35.4 h1:ZL9Q+rXBwTEYbONBXy0mWkyG08uvdgQNSuYmoBR1sfE=
+github.com/tendermint/tendermint v0.35.4/go.mod h1:+9zS92hqCl6mL7XLK3dg71nzoBLJlkl/aNLx4NXKNP8=
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@@ -1379,6 +1437,7 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
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+github.com/tomarrell/wrapcheck/v2 v2.5.0/go.mod h1:68bQ/eJg55BROaRTbMjC7vuhL2OgfoG8bLp9ZyoBfyY=
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@@ -1412,17 +1471,17 @@ github.com/vektah/gqlparser/v2 v2.4.0/go.mod h1:flJWIR04IMQPGz+BXLrORkrARBxv/rty
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-github.com/warpfork/go-wish v0.0.0-20180510122957-5ad1f5abf436 h1:qOpVTI+BrstcjTZLm2Yz/3sOnqkzj3FQoh0g+E5s3Gc=
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@@ -1460,10 +1519,13 @@ go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mI
 go.etcd.io/etcd v0.0.0-20200513171258-e048e166ab9c/go.mod h1:xCI7ZzBfRuGgBXyXO6yfWfDmlWd35khcWpUa4L0xI/k=
 go.etcd.io/etcd/api/v3 v3.5.0/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
 go.etcd.io/etcd/api/v3 v3.5.1/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
+go.etcd.io/etcd/api/v3 v3.5.2/go.mod h1:5GB2vv4A4AOn3yk7MftYGHkUfGtDHnEraIjym4dYz5A=
 go.etcd.io/etcd/client/pkg/v3 v3.5.0/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
 go.etcd.io/etcd/client/pkg/v3 v3.5.1/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
+go.etcd.io/etcd/client/pkg/v3 v3.5.2/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
 go.etcd.io/etcd/client/v2 v2.305.0/go.mod h1:h9puh54ZTgAKtEbut2oe9P4L/oqKCVB6xsXlzd7alYQ=
 go.etcd.io/etcd/client/v2 v2.305.1/go.mod h1:pMEacxZW7o8pg4CrFE7pquyCJJzZvkvdD2RibOCCCGs=
+go.etcd.io/etcd/client/v2 v2.305.2/go.mod h1:2D7ZejHVMIfog1221iLSYlQRzrtECw3kz4I4VAQm3qI=
 go.etcd.io/etcd/client/v3 v3.5.0/go.mod h1:AIKXXVX/DQXtfTEqBryiLTUXwON+GuvO6Z7lLS/oTh0=
 go.mozilla.org/mozlog v0.0.0-20170222151521-4bb13139d403/go.mod h1:jHoPAGnDrCy6kaI2tAze5Prf0Nr0w/oNkROt2lw3n3o=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
@@ -1516,6 +1578,7 @@ golang.org/x/crypto v0.0.0-20200510223506-06a226fb4e37/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
@@ -1526,11 +1589,13 @@ golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5y
 golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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 golang.org/x/crypto v0.0.0-20210915214749-c084706c2272/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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@@ -1572,6 +1637,7 @@ golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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@@ -1638,8 +1704,10 @@ golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qx
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@@ -1657,8 +1725,10 @@ golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a/go.mod h1:KelEdhl1UZF7XfJ
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@@ -1779,14 +1849,21 @@ golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBc
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@@ -1910,13 +1987,15 @@ golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
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@@ -1958,8 +2037,12 @@ google.golang.org/api v0.57.0/go.mod h1:dVPlbZyBo2/OjBpmvNdpn2GRm6rPy75jyU7bmhdr
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@@ -2047,8 +2130,17 @@ google.golang.org/genproto v0.0.0-20211129164237-f09f9a12af12/go.mod h1:5CzLGKJ6
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@@ -2083,8 +2175,9 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/ini.v1 v1.63.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.66.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ini.v1 v1.66.3 h1:jRskFVxYaMGAMUbN0UZ7niA9gzL9B49DOqE78vg0k3w=
 gopkg.in/ini.v1 v1.66.3/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.66.4 h1:SsAcf+mM7mRZo2nJNGt8mZCjG8ZRaNGMURJw7BsIST4=
+gopkg.in/ini.v1 v1.66.4/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce h1:+JknDZhAj8YMt7GC73Ei8pv4MzjDUNPHgQWJdtMAaDU=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
 gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6 h1:a6cXbcDDUkSBlpnkWV1bJ+vv3mOgQEltEJ2rPxroVu0=
@@ -2122,6 +2215,7 @@ honnef.co/go/tools v0.2.2/go.mod h1:lPVVZ2BS5TfnjLyizF7o7hv7j9/L+8cZY2hLyjP9cGY=
 lukechampine.com/blake3 v1.1.6 h1:H3cROdztr7RCfoaTpGZFQsrqvweFLrqS73j7L7cmR5c=
 lukechampine.com/blake3 v1.1.6/go.mod h1:tkKEOtDkNtklkXtLNEOGNq5tcV90tJiA1vAA12R78LA=
 mvdan.cc/gofumpt v0.2.1/go.mod h1:a/rvZPhsNaedOJBzqRD9omnwVwHZsBdJirXHa9Gh9Ig=
+mvdan.cc/gofumpt v0.3.0/go.mod h1:0+VyGZWleeIj5oostkOex+nDBA0eyavuDnDusAJ8ylo=
 mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
 mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
 mvdan.cc/unparam v0.0.0-20211214103731-d0ef000c54e5/go.mod h1:b8RRCBm0eeiWR8cfN88xeq2G5SG3VKGO+5UPWi5FSOY=

server/start.go

@@ -29,7 +29,6 @@ import (
 	"github.com/cosmos/cosmos-sdk/server/rosetta"
 	crgserver "github.com/cosmos/cosmos-sdk/server/rosetta/lib/server"
 	"github.com/cosmos/cosmos-sdk/server/types"
-	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	abciclient "github.com/tendermint/tendermint/abci/client"
 	abciserver "github.com/tendermint/tendermint/abci/server"
 	tcmd "github.com/tendermint/tendermint/cmd/tendermint/commands"
@@ -38,11 +37,11 @@ import (
 	"github.com/tendermint/tendermint/rpc/client/local"
 	tmtypes "github.com/tendermint/tendermint/types"
 
+	pruningtypes "github.com/cosmos/cosmos-sdk/pruning/types"
+	"github.com/tharsis/ethermint/gql"
 	ethdebug "github.com/tharsis/ethermint/rpc/ethereum/namespaces/debug"
 	"github.com/tharsis/ethermint/server/config"
 	srvflags "github.com/tharsis/ethermint/server/flags"
-
-	"github.com/tharsis/ethermint/gql"
 )
 
 const (
@@ -146,7 +145,7 @@ which accepts a path for the resulting pprof file.
 	cmd.Flags().Bool(server.FlagInterBlockCache, true, "Enable inter-block caching")
 	cmd.Flags().String(srvflags.CPUProfile, "", "Enable CPU profiling and write to the provided file")
 	cmd.Flags().Bool(server.FlagTrace, false, "Provide full stack traces for errors in ABCI Log")
-	cmd.Flags().String(server.FlagPruning, storetypes.PruningOptionDefault, "Pruning strategy (default|nothing|everything|custom)")
+	cmd.Flags().String(server.FlagPruning, pruningtypes.PruningOptionDefault, "Pruning strategy (default|nothing|everything|custom)")
 	cmd.Flags().Uint64(server.FlagPruningKeepRecent, 0, "Number of recent heights to keep on disk (ignored if pruning is not 'custom')")
 	cmd.Flags().Uint64(server.FlagPruningInterval, 0, "Height interval at which pruned heights are removed from disk (ignored if pruning is not 'custom')")
 	cmd.Flags().Uint(server.FlagInvCheckPeriod, 0, "Assert registered invariants every N blocks")
@@ -378,7 +377,7 @@ func startInProcess(ctx *server.Context, clientCtx client.Context, appCreator ty
 		grpcWebSrv *http.Server
 	)
 	if config.GRPC.Enable {
-		grpcSrv, err = servergrpc.StartGRPCServer(clientCtx, app, config.GRPC.Address)
+		grpcSrv, err = servergrpc.StartGRPCServer(clientCtx, app, config.GRPC)
 		if err != nil {
 			return err
 		}

server/util.go

@@ -11,6 +11,7 @@ import (
 	sdkserver "github.com/cosmos/cosmos-sdk/server"
 	"github.com/cosmos/cosmos-sdk/server/types"
 	"github.com/cosmos/cosmos-sdk/version"
+	tmcmd "github.com/tendermint/tendermint/cmd/tendermint/commands"
 
 	tmlog "github.com/tendermint/tendermint/libs/log"
 	rpcclient "github.com/tendermint/tendermint/rpc/jsonrpc/client"
@@ -28,6 +29,9 @@ func AddCommands(rootCmd *cobra.Command, defaultNodeHome string, appCreator type
 		sdkserver.ShowValidatorCmd(),
 		sdkserver.ShowAddressCmd(),
 		sdkserver.VersionCmd(),
+		tmcmd.ResetAllCmd,
+		tmcmd.ResetStateCmd,
+		tmcmd.InspectCmd,
 	)
 
 	startCmd := StartCmd(appCreator, defaultNodeHome)
@@ -35,7 +39,6 @@ func AddCommands(rootCmd *cobra.Command, defaultNodeHome string, appCreator type
 
 	rootCmd.AddCommand(
 		startCmd,
-		sdkserver.UnsafeResetAllCmd(),
 		tendermintCmd,
 		sdkserver.ExportCmd(appExport, defaultNodeHome),
 		version.NewVersionCommand(),

testutil/network/network.go

@@ -34,13 +34,13 @@ import (
 	"github.com/cosmos/cosmos-sdk/crypto/keyring"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	"github.com/cosmos/cosmos-sdk/db/memdb"
+	pruningtypes "github.com/cosmos/cosmos-sdk/pruning/types"
 	"github.com/cosmos/cosmos-sdk/server"
 	"github.com/cosmos/cosmos-sdk/server/api"
 	srvconfig "github.com/cosmos/cosmos-sdk/server/config"
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
 	"github.com/cosmos/cosmos-sdk/simapp"
 	"github.com/cosmos/cosmos-sdk/simapp/params"
-	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	"github.com/cosmos/cosmos-sdk/testutil"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
@@ -71,7 +71,7 @@ func NewAppConstructor(encodingCfg params.EncodingConfig) AppConstructor {
 			val.Ctx.Logger, memdb.NewDB(), nil, true, make(map[int64]bool), val.Ctx.Config.RootDir, 0,
 			encodingCfg,
 			simapp.EmptyAppOptions{},
-			baseapp.SetPruning(storetypes.NewPruningOptionsFromString(val.AppConfig.Pruning)),
+			baseapp.SetPruning(pruningtypes.NewPruningOptionsFromString(val.AppConfig.Pruning)),
 			baseapp.SetMinGasPrices(val.AppConfig.MinGasPrices),
 		)
 	}
@@ -128,7 +128,7 @@ func DefaultConfig() Config {
 		AccountTokens:     sdk.TokensFromConsensusPower(1000, ethermint.PowerReduction),
 		StakingTokens:     sdk.TokensFromConsensusPower(500, ethermint.PowerReduction),
 		BondedTokens:      sdk.TokensFromConsensusPower(100, ethermint.PowerReduction),
-		PruningStrategy:   storetypes.PruningOptionNothing,
+		PruningStrategy:   pruningtypes.PruningOptionNothing,
 		CleanupDir:        true,
 		SigningAlgo:       string(hd.EthSecp256k1Type),
 		KeyringOptions:    []keyring.Option{hd.EthSecp256k1Option()},

testutil/network/util.go

@@ -105,7 +105,7 @@ func startInProcess(cfg Config, val *Validator) error {
 	}
 
 	if val.AppConfig.GRPC.Enable {
-		grpcSrv, err := servergrpc.StartGRPCServer(val.ClientCtx, app, val.AppConfig.GRPC.Address)
+		grpcSrv, err := servergrpc.StartGRPCServer(val.ClientCtx, app, val.AppConfig.GRPC)
 		if err != nil {
 			return err
 		}

x/bond/keeper/keeper.go

@@ -267,7 +267,7 @@ func (k Keeper) WithdrawBond(ctx sdk.Context, id string, ownerAddress sdk.AccAdd
 		return nil, sdkerrors.Wrap(sdkerrors.ErrUnauthorized, "Bond owner mismatch.")
 	}
 
-	updatedBalance, isNeg := bond.Balance.SafeSub(coins)
+	updatedBalance, isNeg := bond.Balance.SafeSub(coins...)
 	if isNeg {
 		return nil, sdkerrors.Wrap(sdkerrors.ErrInsufficientFunds, "Insufficient bond balance.")
 	}
@@ -336,7 +336,7 @@ func (k Keeper) TransferCoinsToModuleAccount(ctx sdk.Context, id, moduleAccount
 	bondObj := k.GetBond(ctx, id)
 
 	// Deduct rent from bond.
-	updatedBalance, isNeg := bondObj.Balance.SafeSub(coins)
+	updatedBalance, isNeg := bondObj.Balance.SafeSub(coins...)
 
 	if isNeg {
 		// Check if bond has sufficient funds.

x/evm/keeper/benchmark_test.go

@@ -9,7 +9,7 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/ethereum/go-ethereum/common"
 
-	authmiddleware "github.com/cosmos/cosmos-sdk/x/auth/middleware"
+	ante "github.com/cosmos/cosmos-sdk/x/auth/ante"
 	ethtypes "github.com/ethereum/go-ethereum/core/types"
 	ethermint "github.com/tharsis/ethermint/types"
 	"github.com/tharsis/ethermint/x/evm/types"
@@ -67,7 +67,7 @@ func DoBenchmark(b *testing.B, txBuilder TxBuilder) {
 		require.NoError(b, err)
 
 		fees := sdk.Coins{sdk.NewCoin(suite.EvmDenom(), sdk.NewIntFromBigInt(txData.Fee()))}
-		err = authmiddleware.DeductFees(suite.app.BankKeeper, suite.ctx, suite.app.AccountKeeper.GetAccount(ctx, msg.GetFrom()), fees)
+		err = ante.DeductFees(suite.app.BankKeeper, suite.ctx, suite.app.AccountKeeper.GetAccount(ctx, msg.GetFrom()), fees)
 		require.NoError(b, err)
 
 		rsp, err := suite.app.EvmKeeper.EthereumTx(sdk.WrapSDKContext(ctx), msg)
@@ -134,7 +134,7 @@ func BenchmarkMessageCall(b *testing.B) {
 		require.NoError(b, err)
 
 		fees := sdk.Coins{sdk.NewCoin(suite.EvmDenom(), sdk.NewIntFromBigInt(txData.Fee()))}
-		err = authmiddleware.DeductFees(suite.app.BankKeeper, suite.ctx, suite.app.AccountKeeper.GetAccount(ctx, msg.GetFrom()), fees)
+		err = ante.DeductFees(suite.app.BankKeeper, suite.ctx, suite.app.AccountKeeper.GetAccount(ctx, msg.GetFrom()), fees)
 		require.NoError(b, err)
 
 		rsp, err := suite.app.EvmKeeper.EthereumTx(sdk.WrapSDKContext(ctx), msg)

x/evm/keeper/utils.go

@@ -6,7 +6,7 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 
-	authmiddleware "github.com/cosmos/cosmos-sdk/x/auth/middleware"
+	ante "github.com/cosmos/cosmos-sdk/x/auth/ante"
 
 	evmtypes "github.com/tharsis/ethermint/x/evm/types"
 
@@ -25,7 +25,7 @@ func (k Keeper) DeductTxCostsFromUserBalance(
 	isContractCreation := txData.GetTo() == nil
 
 	// fetch sender account from signature
-	signerAcc, err := authmiddleware.GetSignerAcc(ctx, k.accountKeeper, msgEthTx.GetFrom())
+	signerAcc, err := ante.GetSignerAcc(ctx, k.accountKeeper, msgEthTx.GetFrom())
 	if err != nil {
 		return nil, sdkerrors.Wrapf(err, "account not found for sender %s", msgEthTx.From)
 	}
@@ -75,7 +75,7 @@ func (k Keeper) DeductTxCostsFromUserBalance(
 	fees := sdk.Coins{sdk.NewCoin(denom, sdk.NewIntFromBigInt(feeAmt))}
 
 	// deduct the full gas cost from the user balance
-	if err := authmiddleware.DeductFees(k.bankKeeper, ctx, signerAcc, fees); err != nil {
+	if err := ante.DeductFees(k.bankKeeper, ctx, signerAcc, fees); err != nil {
 		return nil, sdkerrors.Wrapf(
 			err,
 			"failed to deduct full gas cost %s from the user %s balance",

x/evm/simulation/operations.go

@@ -7,6 +7,7 @@ import (
 	"math/rand"
 	"time"
 
+	"cosmossdk.io/math"
 	"github.com/cosmos/cosmos-sdk/baseapp"
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/codec"
@@ -127,7 +128,7 @@ func SimulateEthCreateContract(ak types.AccountKeeper, k *keeper.Keeper) simtype
 		from := common.BytesToAddress(simAccount.Address)
 		nonce := k.GetNonce(ctx, from)
 
-		ctorArgs, err := types.ERC20Contract.ABI.Pack("", from, sdk.NewIntWithDecimal(1000, 18).BigInt())
+		ctorArgs, err := types.ERC20Contract.ABI.Pack("", from, math.NewIntWithDecimal(1000, 18).BigInt())
 		if err != nil {
 			return simtypes.NoOpMsg(types.ModuleName, types.TypeMsgEthereumTx, "can not pack owner and supply"), nil, err
 		}

x/evm/types/msg.go

@@ -11,7 +11,6 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 
-	authmiddleware "github.com/cosmos/cosmos-sdk/x/auth/middleware"
 	"github.com/cosmos/cosmos-sdk/x/auth/signing"
 	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
 
@@ -23,9 +22,8 @@ import (
 )
 
 var (
-	_ sdk.Msg              = &MsgEthereumTx{}
+	_ sdk.Msg = &MsgEthereumTx{}
-	_ sdk.Tx               = &MsgEthereumTx{}
+	_ sdk.Tx  = &MsgEthereumTx{}
-	_ authmiddleware.GasTx = &MsgEthereumTx{}
 
 	_ codectypes.UnpackInterfacesMessage = MsgEthereumTx{}
 )