evm: change Hook to use tx Receipt (#849)

* Change evm_hook to use Transaction Receipt

* use ethtypes.Receipt

* wip changes

* fix receipt creation

* receipt fixes

* check for contract addr

* changelog

* test

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: Federico Kunze Küllmer <federico.kunze94@gmail.com>

CHANGELOG.md

@@ -40,6 +40,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### API Breaking
 
 * (ante) [\#866](https://github.com/tharsis/ethermint/pull/866) `NewAnteHandler` constructor now receives a `HandlerOptions` field.
+* (evm) [\#849](https://github.com/tharsis/ethermint/pull/849) `PostTxProcessing` hook now takes an Ethereum tx `Receipt` and a `from` `Address` as arguments.
 
 ### State Machine Breaking
 
@@ -54,6 +55,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Improvements
 
+* (types) [tharsis#849](https://github.com/tharsis/ethermint/pull/849) Add `Type` function to distinguish EOAs from Contract accounts.
 * (evm) [tharsis#826](https://github.com/tharsis/ethermint/issues/826) Improve allocation of bytes of `tx.To` address.
 * (evm) [tharsis#827](https://github.com/tharsis/ethermint/issues/827) Speed up creation of event logs by using the slice insertion idiom with indices.
 * (ante) [tharsis#819](https://github.com/tharsis/ethermint/pull/819) remove redundant ante handlers

docs/api/proto-docs.md

@@ -491,6 +491,7 @@ MsgEthereumTxResponse defines the Msg/EthereumTx response type.
 | `ret` | [bytes](#bytes) |  | returned data from evm function (result or data supplied with revert opcode) |
 | `vm_error` | [string](#string) |  | vm error is the error returned by vm execution |
 | `gas_used` | [uint64](#uint64) |  | gas consumed by the transaction |
+| `contract_address` | [string](#string) |  | hex address of the contract created / called |
 
 
 

go.mod

@@ -35,8 +35,8 @@ require (
 	github.com/tendermint/tm-db v0.6.4
 	github.com/tyler-smith/go-bip39 v1.1.0
 	go.etcd.io/bbolt v1.3.6 // indirect
-	golang.org/x/crypto v0.0.0-20211115234514-b4de73f9ece8 // indirect
+	golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3 // indirect
-	google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa
+	google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb
 	google.golang.org/grpc v1.43.0
 	google.golang.org/protobuf v1.27.1
 	gopkg.in/yaml.v2 v2.4.0
@@ -136,7 +136,7 @@ require (
 	github.com/tklauser/go-sysconf v0.3.7 // indirect
 	github.com/tklauser/numcpus v0.2.3 // indirect
 	github.com/zondax/hid v0.9.0 // indirect
-	golang.org/x/net v0.0.0-20211111160137-58aab5ef257a // indirect
+	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	golang.org/x/sys v0.0.0-20211210111614-af8b64212486 // indirect
 	golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 // indirect

go.sum

@@ -1125,8 +1125,8 @@ golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9/go.mod h1:jdWPYTVW3xRLrWP
 golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20211115234514-b4de73f9ece8 h1:5QRxNnVsaJP6NAse0UdkRgL3zHMvCRRkrDVLNdNpdy4=
+golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3 h1:0es+/5331RGQPcXlMfP+WrnIIS6dNnNRe0WB02W0F4M=
-golang.org/x/crypto v0.0.0-20211115234514-b4de73f9ece8/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -1227,8 +1227,8 @@ golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210903162142-ad29c8ab022f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20211111160137-58aab5ef257a h1:c83jeVQW0KGKNaKBRfelNYNHaev+qawl9yaA825s8XE=
+golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 h1:CIJ76btIcR3eFI5EgSo6k1qKw9KJexJuRLI9G7Hp5wE=
-golang.org/x/net v0.0.0-20211111160137-58aab5ef257a/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -1572,8 +1572,9 @@ google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1/go.mod h1:5CzLGKJ6
 google.golang.org/genproto v0.0.0-20211129164237-f09f9a12af12/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20211203200212-54befc351ae9/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20211206160659-862468c7d6e0/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
-google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa h1:I0YcKz0I7OAhddo7ya8kMnvprhcWM045PmkBdMO9zN0=
 google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
+google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb h1:ZrsicilzPCS/Xr8qtBZZLpy4P9TYXAfl49ctG1/5tgw=
+google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/grpc v1.33.2 h1:EQyQC3sa8M+p6Ulc8yy9SWSS2GVwyRc83gAbG8lrl4o=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=

proto/ethermint/evm/v1/tx.proto

@@ -169,4 +169,6 @@ message MsgEthereumTxResponse {
   string vm_error = 4;
   // gas consumed by the transaction
   uint64 gas_used = 5;
+  // hex address of the contract created / called
+  string contract_address = 6;
 }

types/account.go

@@ -1,6 +1,8 @@
 package types
 
 import (
+	"bytes"
+
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 
@@ -14,6 +16,15 @@ var (
 	_ codectypes.UnpackInterfacesMessage = (*EthAccount)(nil)
 )
 
+var emptyCodeHash = crypto.Keccak256(nil)
+
+const (
+	// AccountTypeEOA defines the type for externally owned accounts (EOAs)
+	AccountTypeEOA = int8(iota + 1)
+	// AccountTypeContract defines the type for contract accounts
+	AccountTypeContract
+)
+
 // ----------------------------------------------------------------------------
 // Main Ethermint account
 // ----------------------------------------------------------------------------
@@ -23,7 +34,7 @@ var (
 func ProtoAccount() authtypes.AccountI {
 	return &EthAccount{
 		BaseAccount: &authtypes.BaseAccount{},
-		CodeHash:    common.BytesToHash(crypto.Keccak256(nil)).String(),
+		CodeHash:    common.BytesToHash(emptyCodeHash).String(),
 	}
 }
 
@@ -36,3 +47,11 @@ func (acc EthAccount) EthAddress() common.Address {
 func (acc EthAccount) GetCodeHash() common.Hash {
 	return common.HexToHash(acc.CodeHash)
 }
+
+// Type returns the type of Ethereum Account (EOA or Contract)
+func (acc EthAccount) Type() int8 {
+	if bytes.Equal(emptyCodeHash, common.Hex2Bytes(acc.CodeHash)) {
+		return AccountTypeEOA
+	}
+	return AccountTypeContract
+}

types/account_test.go

@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/stretchr/testify/suite"
 
 	"github.com/cosmos/cosmos-sdk/codec"
@@ -48,3 +49,10 @@ func (suite *AccountTestSuite) SetupTest() {
 func TestAccountTestSuite(t *testing.T) {
 	suite.Run(t, new(AccountTestSuite))
 }
+
+func (suite *AccountTestSuite) TestAccountType() {
+	suite.account.CodeHash = common.Bytes2Hex(crypto.Keccak256(nil))
+	suite.Require().Equal(types.AccountTypeEOA, suite.account.Type())
+	suite.account.CodeHash = common.Bytes2Hex(crypto.Keccak256([]byte{1, 2, 3}))
+	suite.Require().Equal(types.AccountTypeContract, suite.account.Type())
+}

x/evm/handler_test.go

@@ -682,13 +682,13 @@ func (suite *EvmTestSuite) TestContractDeploymentRevert() {
 // DummyHook implements EvmHooks interface
 type DummyHook struct{}
 
-func (dh *DummyHook) PostTxProcessing(ctx sdk.Context, txHash common.Hash, logs []*ethtypes.Log) error {
+func (dh *DummyHook) PostTxProcessing(ctx sdk.Context, from common.Address, to *common.Address, receipt *ethtypes.Receipt) error {
 	return nil
 }
 
 // FailureHook implements EvmHooks interface
 type FailureHook struct{}
 
-func (dh *FailureHook) PostTxProcessing(ctx sdk.Context, txHash common.Hash, logs []*ethtypes.Log) error {
+func (dh *FailureHook) PostTxProcessing(ctx sdk.Context, from common.Address, to *common.Address, receipt *ethtypes.Receipt) error {
 	return errors.New("mock error")
 }

x/evm/keeper/hooks.go

@@ -19,9 +19,9 @@ func NewMultiEvmHooks(hooks ...types.EvmHooks) MultiEvmHooks {
 }
 
 // PostTxProcessing delegate the call to underlying hooks
-func (mh MultiEvmHooks) PostTxProcessing(ctx sdk.Context, txHash common.Hash, logs []*ethtypes.Log) error {
+func (mh MultiEvmHooks) PostTxProcessing(ctx sdk.Context, from common.Address, to *common.Address, receipt *ethtypes.Receipt) error {
 	for i := range mh {
-		if err := mh[i].PostTxProcessing(ctx, txHash, logs); err != nil {
+		if err := mh[i].PostTxProcessing(ctx, from, to, receipt); err != nil {
 			return sdkerrors.Wrapf(err, "EVM hook %T failed", mh[i])
 		}
 	}

x/evm/keeper/hooks_test.go

@@ -17,15 +17,15 @@ type LogRecordHook struct {
 	Logs []*ethtypes.Log
 }
 
-func (dh *LogRecordHook) PostTxProcessing(ctx sdk.Context, txHash common.Hash, logs []*ethtypes.Log) error {
+func (dh *LogRecordHook) PostTxProcessing(ctx sdk.Context, from common.Address, to *common.Address, receipt *ethtypes.Receipt) error {
-	dh.Logs = logs
+	dh.Logs = receipt.Logs
 	return nil
 }
 
 // FailureHook always fail
 type FailureHook struct{}
 
-func (dh FailureHook) PostTxProcessing(ctx sdk.Context, txHash common.Hash, logs []*ethtypes.Log) error {
+func (dh FailureHook) PostTxProcessing(ctx sdk.Context, from common.Address, to *common.Address, receipt *ethtypes.Receipt) error {
 	return errors.New("post tx processing failed")
 }
 
@@ -69,7 +69,11 @@ func (suite *KeeperTestSuite) TestEvmHooks() {
 			Address: suite.address,
 		})
 		logs := k.GetTxLogsTransient(txHash)
-		result := k.PostTxProcessing(txHash, logs)
+		receipt := &ethtypes.Receipt{
+			TxHash: txHash,
+			Logs:   logs,
+		}
+		result := k.PostTxProcessing(common.Address{}, nil, receipt)
 
 		tc.expFunc(hook, result)
 	}

x/evm/keeper/keeper.go

@@ -363,11 +363,11 @@ func (k *Keeper) SetHooks(eh types.EvmHooks) *Keeper {
 }
 
 // PostTxProcessing delegate the call to the hooks. If no hook has been registered, this function returns with a `nil` error
-func (k *Keeper) PostTxProcessing(txHash common.Hash, logs []*ethtypes.Log) error {
+func (k *Keeper) PostTxProcessing(from common.Address, to *common.Address, receipt *ethtypes.Receipt) error {
 	if k.hooks == nil {
 		return nil
 	}
-	return k.hooks.PostTxProcessing(k.Ctx(), txHash, logs)
+	return k.hooks.PostTxProcessing(k.Ctx(), from, to, receipt)
 }
 
 // Tracer return a default vm.Tracer based on current keeper state

x/evm/keeper/state_transition.go

@@ -1,6 +1,7 @@
 package keeper
 
 import (
+	"math"
 	"math/big"
 
 	tmtypes "github.com/tendermint/tendermint/types"
@@ -208,22 +209,8 @@ func (k *Keeper) ApplyTransaction(tx *ethtypes.Transaction) (*types.MsgEthereumT
 	}
 
 	res.Hash = txHash.Hex()
-
 	logs := k.GetTxLogsTransient(txHash)
 
-	if !res.Failed() {
-		// Only call hooks if tx executed successfully.
-		if err = k.PostTxProcessing(txHash, logs); err != nil {
-			// If hooks return error, revert the whole tx.
-			res.VmError = types.ErrPostTxProcessing.Error()
-			k.Logger(k.Ctx()).Error("tx post processing failed", "error", err)
-		} else if commit != nil {
-			// PostTxProcessing is successful, commit the cache context
-			commit()
-			ctx.EventManager().EmitEvents(k.Ctx().EventManager().Events())
-		}
-	}
-
 	// change to original context
 	k.WithContext(ctx)
 
@@ -232,16 +219,53 @@ func (k *Keeper) ApplyTransaction(tx *ethtypes.Transaction) (*types.MsgEthereumT
 		return nil, sdkerrors.Wrapf(err, "failed to refund gas leftover gas to sender %s", msg.From())
 	}
 
+	var bloomReceipt ethtypes.Bloom
 	if len(logs) > 0 {
 		res.Logs = types.NewLogsFromEth(logs)
 		// Update transient block bloom filter
 		bloom := k.GetBlockBloomTransient()
 		bloom.Or(bloom, big.NewInt(0).SetBytes(ethtypes.LogsBloom(logs)))
 		k.SetBlockBloomTransient(bloom)
+		bloomReceipt = ethtypes.BytesToBloom(bloom.Bytes())
 	}
 
 	k.IncreaseTxIndexTransient()
 
+	if !res.Failed() {
+		cumulativeGasUsed := res.GasUsed
+		if ctx.BlockGasMeter() != nil {
+			limit := ctx.BlockGasMeter().Limit()
+			consumed := ctx.BlockGasMeter().GasConsumed()
+			cumulativeGasUsed = uint64(math.Min(float64(cumulativeGasUsed+consumed), float64(limit)))
+		}
+
+		receipt := &ethtypes.Receipt{
+			Type:              tx.Type(),
+			PostState:         nil, // TODO: intermediate state root
+			Status:            ethtypes.ReceiptStatusSuccessful,
+			CumulativeGasUsed: cumulativeGasUsed,
+			Bloom:             bloomReceipt,
+			Logs:              logs,
+			TxHash:            txHash,
+			ContractAddress:   common.HexToAddress(res.ContractAddress),
+			GasUsed:           res.GasUsed,
+			BlockHash:         common.BytesToHash(ctx.HeaderHash()),
+			BlockNumber:       big.NewInt(ctx.BlockHeight()),
+			TransactionIndex:  uint(k.GetTxIndexTransient()),
+		}
+
+		// Only call hooks if tx executed successfully.
+		if err = k.PostTxProcessing(msg.From(), tx.To(), receipt); err != nil {
+			// If hooks return error, revert the whole tx.
+			res.VmError = types.ErrPostTxProcessing.Error()
+			k.Logger(ctx).Error("tx post processing failed", "error", err)
+		} else if commit != nil {
+			// PostTxProcessing is successful, commit the cache context
+			commit()
+			ctx.EventManager().EmitEvents(k.Ctx().EventManager().Events())
+		}
+	}
+
 	// update the gas used after refund
 	k.ResetGasMeterAndConsumeGas(res.GasUsed)
 	return res, nil
@@ -288,8 +312,9 @@ func (k *Keeper) ApplyTransaction(tx *ethtypes.Transaction) (*types.MsgEthereumT
 // If commit is true, the cache context stack will be committed, otherwise discarded.
 func (k *Keeper) ApplyMessageWithConfig(msg core.Message, tracer vm.Tracer, commit bool, cfg *types.EVMConfig) (*types.MsgEthereumTxResponse, error) {
 	var (
-		ret   []byte // return bytes from evm execution
+		ret          []byte // return bytes from evm execution
-		vmErr error  // vm errors do not effect consensus and are therefore not assigned to err
+		vmErr        error  // vm errors do not effect consensus and are therefore not assigned to err
+		contractAddr common.Address
 	)
 
 	if !k.ctxStack.IsEmpty() {
@@ -337,10 +362,17 @@ func (k *Keeper) ApplyMessageWithConfig(msg core.Message, tracer vm.Tracer, comm
 		// - reset sender's nonce to msg.Nonce() before calling evm.
 		// - increase sender's nonce by one no matter the result.
 		k.SetNonce(sender.Address(), msg.Nonce())
-		ret, _, leftoverGas, vmErr = evm.Create(sender, msg.Data(), leftoverGas, msg.Value())
+		ret, contractAddr, leftoverGas, vmErr = evm.Create(sender, msg.Data(), leftoverGas, msg.Value())
 		k.SetNonce(sender.Address(), msg.Nonce()+1)
 	} else {
 		ret, leftoverGas, vmErr = evm.Call(sender, *msg.To(), msg.Data(), leftoverGas, msg.Value())
+		to := *msg.To()
+		acc := k.accountKeeper.GetAccount(k.Ctx(), sdk.AccAddress(to.Bytes()))
+		if acc != nil {
+			if ethAcc, ok := acc.(*ethermint.EthAccount); ok && ethAcc.Type() == ethermint.AccountTypeContract {
+				contractAddr = to
+			}
+		}
 	}
 
 	refundQuotient := params.RefundQuotient
@@ -376,9 +408,10 @@ func (k *Keeper) ApplyMessageWithConfig(msg core.Message, tracer vm.Tracer, comm
 	}
 
 	return &types.MsgEthereumTxResponse{
-		GasUsed: gasUsed,
+		GasUsed:         gasUsed,
-		VmError: vmError,
+		VmError:         vmError,
-		Ret:     ret,
+		Ret:             ret,
+		ContractAddress: contractAddr.String(),
 	}, nil
 }
 

x/evm/types/interfaces.go

@@ -6,11 +6,10 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
-
-	feemarkettypes "github.com/tharsis/ethermint/x/feemarket/types"
-
 	"github.com/ethereum/go-ethereum/common"
+
 	ethtypes "github.com/ethereum/go-ethereum/core/types"
+	feemarkettypes "github.com/tharsis/ethermint/x/feemarket/types"
 )
 
 // AccountKeeper defines the expected account keeper interface
@@ -54,5 +53,5 @@ type FeeMarketKeeper interface {
 // EvmHooks event hooks for evm tx processing
 type EvmHooks interface {
 	// Must be called after tx is processed successfully, if return an error, the whole transaction is reverted.
-	PostTxProcessing(ctx sdk.Context, txHash common.Hash, logs []*ethtypes.Log) error
+	PostTxProcessing(ctx sdk.Context, from common.Address, to *common.Address, receipt *ethtypes.Receipt) error
 }

x/evm/types/tx.pb.go

@@ -305,6 +305,8 @@ type MsgEthereumTxResponse struct {
 	VmError string `protobuf:"bytes,4,opt,name=vm_error,json=vmError,proto3" json:"vm_error,omitempty"`
 	// gas consumed by the transaction
 	GasUsed uint64 `protobuf:"varint,5,opt,name=gas_used,json=gasUsed,proto3" json:"gas_used,omitempty"`
+	// hex address of the contract created / called
+	ContractAddress string `protobuf:"bytes,6,opt,name=contract_address,json=contractAddress,proto3" json:"contract_address,omitempty"`
 }
 
 func (m *MsgEthereumTxResponse) Reset()         { *m = MsgEthereumTxResponse{} }
@@ -352,61 +354,62 @@ func init() {
 func init() { proto.RegisterFile("ethermint/evm/v1/tx.proto", fileDescriptor_f75ac0a12d075f21) }
 
 var fileDescriptor_f75ac0a12d075f21 = []byte{
-	// 853 bytes of a gzipped FileDescriptorProto
+	// 876 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xc4, 0x55, 0x31, 0x8f, 0xe3, 0x44,
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -929,6 +932,13 @@ func (m *MsgEthereumTxResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if len(m.ContractAddress) > 0 {
+		i -= len(m.ContractAddress)
+		copy(dAtA[i:], m.ContractAddress)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.ContractAddress)))
+		i--
+		dAtA[i] = 0x32
+	}
 	if m.GasUsed != 0 {
 		i = encodeVarintTx(dAtA, i, uint64(m.GasUsed))
 		i--
@@ -1196,6 +1206,10 @@ func (m *MsgEthereumTxResponse) Size() (n int) {
 	if m.GasUsed != 0 {
 		n += 1 + sovTx(uint64(m.GasUsed))
 	}
+	l = len(m.ContractAddress)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
 	return n
 }
 
@@ -2756,6 +2770,38 @@ func (m *MsgEthereumTxResponse) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 6:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContractAddress", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContractAddress = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTx(dAtA[iNdEx:])

x/feemarket/keeper/grpc_query_test.go

@@ -1,8 +1,6 @@
 package keeper_test
 
 import (
-	"fmt"
-
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/tharsis/ethermint/x/feemarket/types"
 )
@@ -62,9 +60,6 @@ func (suite *KeeperTestSuite) TestQueryBaseFee() {
 		},
 	}
 	for _, tc := range testCases {
-		fee := suite.app.FeeMarketKeeper.GetBaseFee(suite.ctx)
-		fmt.Printf("baseFee: %v", fee)
-
 		tc.malleate()
 
 		res, err := suite.queryClient.BaseFee(suite.ctx.Context(), &types.QueryBaseFeeRequest{})