refactor(evm): move evmante handlers into separate package

app/ante.go

@@ -10,6 +10,7 @@ import (
 	authante "github.com/cosmos/cosmos-sdk/x/auth/ante"
 
 	"github.com/NibiruChain/nibiru/app/ante"
+	"github.com/NibiruChain/nibiru/app/evmante"
 	"github.com/NibiruChain/nibiru/eth"
 	devgasante "github.com/NibiruChain/nibiru/x/devgas/v1/ante"
 	"github.com/NibiruChain/nibiru/x/evm"
@@ -53,7 +54,7 @@ func AnteHandlerExtendedTx(
 ) (anteHandler sdk.AnteHandler) {
 	switch typeUrl {
 	case evm.TYPE_URL_ETHEREUM_TX:
-		anteHandler = NewAnteHandlerEVM(keepers, opts)
+		anteHandler = evmante.NewAnteHandlerEVM(opts)
 	case eth.TYPE_URL_DYNAMIC_FEE_TX:
 		anteHandler = NewAnteHandlerNonEVM(opts)
 	default:
@@ -73,7 +74,7 @@ func NewAnteHandlerNonEVM(
 	opts ante.AnteHandlerOptions,
 ) sdk.AnteHandler {
 	return sdk.ChainAnteDecorators(
-		AnteDecoratorPreventEtheruemTxMsgs{}, // reject MsgEthereumTxs
+		ante.AnteDecoratorPreventEtheruemTxMsgs{}, // reject MsgEthereumTxs
 		authante.NewSetUpContextDecorator(),
 		wasmkeeper.NewLimitSimulationGasDecorator(opts.WasmConfig.SimulationGasLimit),
 		wasmkeeper.NewCountTXDecorator(opts.TxCounterStoreKey),
@@ -103,7 +104,7 @@ func NewAnteHandlerNonEVM(
 		authante.NewSigVerificationDecorator(opts.AccountKeeper, opts.SignModeHandler),
 		authante.NewIncrementSequenceDecorator(opts.AccountKeeper),
 		ibcante.NewRedundantRelayDecorator(opts.IBCKeeper),
-		AnteDecoratorGasWanted{},
+		ante.AnteDecoratorGasWanted{},
 	)
 }
 

app/evmante_gas_wanted.go → app/ante/gas_wanted.go

@@ -1,5 +1,5 @@
 // Copyright (c) 2023-2024 Nibi, Inc.
-package app
+package ante
 
 import (
 	"cosmossdk.io/errors"

app/evmante_gas_wanted_test.go → app/ante/gas_wanted_test.go

@@ -1,15 +1,16 @@
-package app_test
+package ante_test
 
 import (
 	tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
 
-	"github.com/NibiruChain/nibiru/app"
+	"github.com/NibiruChain/nibiru/app/ante"
+	evmtestutil "github.com/NibiruChain/nibiru/x/common/testutil/evm"
 	"github.com/NibiruChain/nibiru/x/evm/evmtest"
 )
 
-func (s *TestSuite) TestGasWantedDecorator() {
+func (s *AnteTestSuite) TestGasWantedDecorator() {
 	testCases := []struct {
 		name     string
 		ctxSetup func(deps *evmtest.TestDeps)
@@ -19,7 +20,7 @@ func (s *TestSuite) TestGasWantedDecorator() {
 		{
 			name: "happy: non fee tx type",
 			txSetup: func(deps *evmtest.TestDeps) sdk.Tx {
-				return happyCreateContractTx(deps)
+				return evmtestutil.HappyCreateContractTx(deps)
 			},
 			wantErr: "",
 		},
@@ -34,7 +35,7 @@ func (s *TestSuite) TestGasWantedDecorator() {
 			txSetup: func(deps *evmtest.TestDeps) sdk.Tx {
 				return legacytx.StdTx{
 					Msgs: []sdk.Msg{
-						happyCreateContractTx(deps),
+						evmtestutil.HappyCreateContractTx(deps),
 					},
 				}
 			},
@@ -51,7 +52,7 @@ func (s *TestSuite) TestGasWantedDecorator() {
 			txSetup: func(deps *evmtest.TestDeps) sdk.Tx {
 				return legacytx.StdTx{
 					Msgs: []sdk.Msg{
-						happyCreateContractTx(deps),
+						evmtestutil.HappyCreateContractTx(deps),
 					},
 					Fee: legacytx.StdFee{Gas: 500},
 				}
@@ -71,7 +72,7 @@ func (s *TestSuite) TestGasWantedDecorator() {
 			txSetup: func(deps *evmtest.TestDeps) sdk.Tx {
 				return legacytx.StdTx{
 					Msgs: []sdk.Msg{
-						happyCreateContractTx(deps),
+						evmtestutil.HappyCreateContractTx(deps),
 					},
 					Fee: legacytx.StdFee{Gas: 1000},
 				}
@@ -84,7 +85,7 @@ func (s *TestSuite) TestGasWantedDecorator() {
 		s.Run(tc.name, func() {
 			deps := evmtest.NewTestDeps()
 			stateDB := deps.StateDB()
-			anteDec := app.AnteDecoratorGasWanted{}
+			anteDec := ante.AnteDecoratorGasWanted{}
 
 			tx := tc.txSetup(&deps)
 			s.Require().NoError(stateDB.Commit())
@@ -94,7 +95,7 @@ func (s *TestSuite) TestGasWantedDecorator() {
 				tc.ctxSetup(&deps)
 			}
 			_, err := anteDec.AnteHandle(
-				deps.Ctx, tx, false, NextNoOpAnteHandler,
+				deps.Ctx, tx, false, evmtestutil.NextNoOpAnteHandler,
 			)
 			if tc.wantErr != "" {
 				s.Require().ErrorContains(err, tc.wantErr)

app/ante/handler_opts.go

@@ -7,27 +7,28 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/errors"
 	sdkante "github.com/cosmos/cosmos-sdk/x/auth/ante"
+	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
 	ibckeeper "github.com/cosmos/ibc-go/v7/modules/core/keeper"
 
 	devgasante "github.com/NibiruChain/nibiru/x/devgas/v1/ante"
 	devgaskeeper "github.com/NibiruChain/nibiru/x/devgas/v1/keeper"
+	evmkeeper "github.com/NibiruChain/nibiru/x/evm/keeper"
 )
 
 type AnteHandlerOptions struct {
 	sdkante.HandlerOptions
 	IBCKeeper        *ibckeeper.Keeper
 	DevGasKeeper     *devgaskeeper.Keeper
 	DevGasBankKeeper devgasante.BankKeeper
+	EvmKeeper        evmkeeper.Keeper
+	AccountKeeper    authkeeper.AccountKeeper
 
 	TxCounterStoreKey types.StoreKey
 	WasmConfig        *wasmtypes.WasmConfig
 	MaxTxGasWanted    uint64
 }
 
 func (opts *AnteHandlerOptions) ValidateAndClean() error {
-	if opts.AccountKeeper == nil {
-		return AnteHandlerError("account keeper")
-	}
 	if opts.BankKeeper == nil {
 		return AnteHandlerError("bank keeper")
 	}

app/evmante_reject_msgs.go → app/ante/reject_ethereum_tx_msgs.go

@@ -1,5 +1,5 @@
 // Copyright (c) 2023-2024 Nibi, Inc.
-package app
+package ante
 
 import (
 	"cosmossdk.io/errors"

app/evmante_reject_msgs_test.go → app/ante/reject_ethereum_tx_msgs_test.go

@@ -1,13 +1,14 @@
-package app_test
+package ante_test
 
 import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
-	"github.com/NibiruChain/nibiru/app"
+	"github.com/NibiruChain/nibiru/app/ante"
+	evmtestutil "github.com/NibiruChain/nibiru/x/common/testutil/evm"
 	"github.com/NibiruChain/nibiru/x/evm/evmtest"
 )
 
-func (s *TestSuite) TestAnteDecoratorPreventEtheruemTxMsgs() {
+func (s *AnteTestSuite) TestAnteDecoratorPreventEtheruemTxMsgs() {
 	testCases := []struct {
 		name    string
 		txSetup func(deps *evmtest.TestDeps) sdk.Tx
@@ -16,25 +17,25 @@ func (s *TestSuite) TestAnteDecoratorPreventEtheruemTxMsgs() {
 		{
 			name: "sad: evm message",
 			txSetup: func(deps *evmtest.TestDeps) sdk.Tx {
-				return happyTransfertTx(deps, 0)
+				return evmtestutil.HappyTransferTx(deps, 0)
 			},
 			wantErr: "invalid type",
 		},
 		{
 			name:    "happy: non evm message",
-			txSetup: nonEvmMsgTx,
+			txSetup: evmtestutil.NonEvmMsgTx,
 			wantErr: "",
 		},
 	}
 
 	for _, tc := range testCases {
 		s.Run(tc.name, func() {
 			deps := evmtest.NewTestDeps()
-			anteDec := app.AnteDecoratorPreventEtheruemTxMsgs{}
+			anteDec := ante.AnteDecoratorPreventEtheruemTxMsgs{}
 			tx := tc.txSetup(&deps)
 
 			_, err := anteDec.AnteHandle(
-				deps.Ctx, tx, false, NextNoOpAnteHandler,
+				deps.Ctx, tx, false, evmtestutil.NextNoOpAnteHandler,
 			)
 			if tc.wantErr != "" {
 				s.Require().ErrorContains(err, tc.wantErr)

app/app.go

@@ -225,6 +225,7 @@ func NewNibiruApp(
 		DevGasBankKeeper:  app.BankKeeper,
 		// TODO: feat(evm): enable app/server/config flag for Evm MaxTxGasWanted.
 		MaxTxGasWanted: DefaultMaxTxGasWanted,
+		EvmKeeper:      app.EvmKeeper,
 	})
 
 	app.SetAnteHandler(anteHandler)

app/evmante_can_transfer.go → app/evmante/evmante_can_transfer.go

@@ -1,30 +1,29 @@
 // Copyright (c) 2023-2024 Nibi, Inc.
-package app
+package evmante
 
 import (
 	"math/big"
 
 	"cosmossdk.io/errors"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	errortypes "github.com/cosmos/cosmos-sdk/types/errors"
+	gethcommon "github.com/ethereum/go-ethereum/common"
+	gethcore "github.com/ethereum/go-ethereum/core/types"
 
 	"github.com/NibiruChain/nibiru/x/evm"
 	"github.com/NibiruChain/nibiru/x/evm/statedb"
-
-	gethcommon "github.com/ethereum/go-ethereum/common"
-	gethcore "github.com/ethereum/go-ethereum/core/types"
 )
 
 // CanTransferDecorator checks if the sender is allowed to transfer funds according to the EVM block
 // context rules.
 type CanTransferDecorator struct {
-	AppKeepers
+	evmKeeper EVMKeeper
 }
 
 // NewCanTransferDecorator creates a new CanTransferDecorator instance.
-func NewCanTransferDecorator(k AppKeepers) CanTransferDecorator {
+func NewCanTransferDecorator(k EVMKeeper) CanTransferDecorator {
 	return CanTransferDecorator{
-		AppKeepers: k,
+		evmKeeper: k,
 	}
 }
 
@@ -33,8 +32,8 @@ func NewCanTransferDecorator(k AppKeepers) CanTransferDecorator {
 func (ctd CanTransferDecorator) AnteHandle(
 	ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler,
 ) (sdk.Context, error) {
-	params := ctd.EvmKeeper.GetParams(ctx)
-	ethCfg := evm.EthereumConfig(ctd.EvmKeeper.EthChainID(ctx))
+	params := ctd.evmKeeper.GetParams(ctx)
+	ethCfg := evm.EthereumConfig(ctd.evmKeeper.EthChainID(ctx))
 	signer := gethcore.MakeSigner(ethCfg, big.NewInt(ctx.BlockHeight()))
 
 	for _, msg := range tx.GetMsgs() {
@@ -45,7 +44,7 @@ func (ctd CanTransferDecorator) AnteHandle(
 				"invalid message type %T, expected %T", msg, (*evm.MsgEthereumTx)(nil),
 			)
 		}
-		baseFee := ctd.EvmKeeper.GetBaseFee(ctx)
+		baseFee := ctd.evmKeeper.GetBaseFee(ctx)
 
 		coreMsg, err := msgEthTx.AsMessage(signer, baseFee)
 		if err != nil {
@@ -79,10 +78,10 @@ func (ctd CanTransferDecorator) AnteHandle(
 
 		stateDB := statedb.New(
 			ctx,
-			&ctd.EvmKeeper,
+			ctd.evmKeeper,
 			statedb.NewEmptyTxConfig(gethcommon.BytesToHash(ctx.HeaderHash().Bytes())),
 		)
-		evmInstance := ctd.EvmKeeper.NewEVM(ctx, coreMsg, cfg, evm.NewNoOpTracer(), stateDB)
+		evmInstance := ctd.evmKeeper.NewEVM(ctx, coreMsg, cfg, evm.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

app/evmante_can_transfer_test.go → app/evmante/evmante_can_transfer_test.go

@@ -1,12 +1,13 @@
-package app_test
+package evmante_test
 
 import (
 	"math/big"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
-	"github.com/NibiruChain/nibiru/app"
+	"github.com/NibiruChain/nibiru/app/evmante"
 	"github.com/NibiruChain/nibiru/eth"
+	evmtestutil "github.com/NibiruChain/nibiru/x/common/testutil/evm"
 	"github.com/NibiruChain/nibiru/x/evm/evmtest"
 	"github.com/NibiruChain/nibiru/x/evm/statedb"
 )
@@ -25,7 +26,7 @@ func (s *TestSuite) TestCanTransferDecorator() {
 				sdb.AddBalance(deps.Sender.EthAddr, big.NewInt(100))
 			},
 			txSetup: func(deps *evmtest.TestDeps) sdk.FeeTx {
-				txMsg := happyTransfertTx(deps, 0)
+				txMsg := evmtestutil.HappyTransferTx(deps, 0)
 				txBuilder := deps.EncCfg.TxConfig.NewTxBuilder()
 
 				gethSigner := deps.Sender.GethSigner(deps.Chain.EvmKeeper.EthChainID(deps.Ctx))
@@ -43,7 +44,7 @@ func (s *TestSuite) TestCanTransferDecorator() {
 		{
 			name: "sad: signed tx, insufficient funds",
 			txSetup: func(deps *evmtest.TestDeps) sdk.FeeTx {
-				txMsg := happyTransfertTx(deps, 0)
+				txMsg := evmtestutil.HappyTransferTx(deps, 0)
 				txBuilder := deps.EncCfg.TxConfig.NewTxBuilder()
 
 				gethSigner := deps.Sender.GethSigner(deps.Chain.EvmKeeper.EthChainID(deps.Ctx))
@@ -61,7 +62,7 @@ func (s *TestSuite) TestCanTransferDecorator() {
 		{
 			name: "sad: unsigned tx",
 			txSetup: func(deps *evmtest.TestDeps) sdk.FeeTx {
-				txMsg := happyTransfertTx(deps, 0)
+				txMsg := evmtestutil.HappyTransferTx(deps, 0)
 				txBuilder := deps.EncCfg.TxConfig.NewTxBuilder()
 
 				tx, err := txMsg.BuildTx(txBuilder, eth.EthBaseDenom)
@@ -74,7 +75,7 @@ func (s *TestSuite) TestCanTransferDecorator() {
 		{
 			name: "sad: tx with non evm message",
 			txSetup: func(deps *evmtest.TestDeps) sdk.FeeTx {
-				return nonEvmMsgTx(deps).(sdk.FeeTx)
+				return evmtestutil.NonEvmMsgTx(deps).(sdk.FeeTx)
 			},
 			wantErr: "invalid message",
 		},
@@ -84,7 +85,7 @@ func (s *TestSuite) TestCanTransferDecorator() {
 		s.Run(tc.name, func() {
 			deps := evmtest.NewTestDeps()
 			stateDB := deps.StateDB()
-			anteDec := app.NewCanTransferDecorator(deps.Chain.AppKeepers)
+			anteDec := evmante.NewCanTransferDecorator(&deps.Chain.AppKeepers.EvmKeeper)
 			tx := tc.txSetup(&deps)
 
 			if tc.ctxSetup != nil {
@@ -97,7 +98,7 @@ func (s *TestSuite) TestCanTransferDecorator() {
 			}
 
 			_, err := anteDec.AnteHandle(
-				deps.Ctx, tx, false, NextNoOpAnteHandler,
+				deps.Ctx, tx, false, evmtestutil.NextNoOpAnteHandler,
 			)
 			if tc.wantErr != "" {
 				s.Require().ErrorContains(err, tc.wantErr)

app/evmante_emit_event.go → app/evmante/evmante_emit_event.go

@@ -1,5 +1,5 @@
 // Copyright (c) 2023-2024 Nibi, Inc.
-package app
+package evmante
 
 import (
 	"strconv"
@@ -13,12 +13,14 @@ import (
 
 // EthEmitEventDecorator emit events in ante handler in case of tx execution failed (out of block gas limit).
 type EthEmitEventDecorator struct {
-	AppKeepers
+	evmKeeper EVMKeeper
 }
 
 // NewEthEmitEventDecorator creates a new EthEmitEventDecorator
-func NewEthEmitEventDecorator(k AppKeepers) EthEmitEventDecorator {
-	return EthEmitEventDecorator{AppKeepers: k}
+func NewEthEmitEventDecorator(k EVMKeeper) EthEmitEventDecorator {
+	return EthEmitEventDecorator{
+		evmKeeper: k,
+	}
 }
 
 // AnteHandle emits some basic events for the eth messages
@@ -28,7 +30,7 @@ func (eeed EthEmitEventDecorator) AnteHandle(
 	// After eth tx passed ante handler, the fee is deducted and nonce increased,
 	// it shouldn't be ignored by json-rpc. We need to emit some events at the
 	// very end of ante handler to be indexed by the consensus engine.
-	txIndex := eeed.EvmKeeper.EVMState().BlockTxIndex.GetOr(ctx, 0)
+	txIndex := eeed.evmKeeper.EVMState().BlockTxIndex.GetOr(ctx, 0)
 
 	for i, msg := range tx.GetMsgs() {
 		msgEthTx, ok := msg.(*evm.MsgEthereumTx)