diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffc1bd981..8def679f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 
 ### IMPROVEMENTS
 
+- [\#538](https://github.com/cosmos/evm/pull/538) Optimize `eth_estimateGas` gRPC path: short-circuit plain transfers, add optimistic gas bound based on `MaxUsedGas`.
 - [\#513](https://github.com/cosmos/evm/pull/513) Replace `TestEncodingConfig` with production `EncodingConfig` in encoding package to remove test dependencies from production code.
 - [\#467](https://github.com/cosmos/evm/pull/467) Replace GlobalEVMMempool by passing to JSONRPC on initiate.
 - [\#352](https://github.com/cosmos/evm/pull/352) Remove the creation of a Geth EVM instance, stateDB during the AnteHandler balance check.
diff --git a/api/cosmos/evm/vm/v1/tx.pulsar.go b/api/cosmos/evm/vm/v1/tx.pulsar.go
index 89f899c3c..01c31e38d 100644
--- a/api/cosmos/evm/vm/v1/tx.pulsar.go
+++ b/api/cosmos/evm/vm/v1/tx.pulsar.go
@@ -913,12 +913,13 @@ func (x *_MsgEthereumTxResponse_2_list) IsValid() bool {
 }
 
 var (
-	md_MsgEthereumTxResponse          protoreflect.MessageDescriptor
-	fd_MsgEthereumTxResponse_hash     protoreflect.FieldDescriptor
-	fd_MsgEthereumTxResponse_logs     protoreflect.FieldDescriptor
-	fd_MsgEthereumTxResponse_ret      protoreflect.FieldDescriptor
-	fd_MsgEthereumTxResponse_vm_error protoreflect.FieldDescriptor
-	fd_MsgEthereumTxResponse_gas_used protoreflect.FieldDescriptor
+	md_MsgEthereumTxResponse              protoreflect.MessageDescriptor
+	fd_MsgEthereumTxResponse_hash         protoreflect.FieldDescriptor
+	fd_MsgEthereumTxResponse_logs         protoreflect.FieldDescriptor
+	fd_MsgEthereumTxResponse_ret          protoreflect.FieldDescriptor
+	fd_MsgEthereumTxResponse_vm_error     protoreflect.FieldDescriptor
+	fd_MsgEthereumTxResponse_gas_used     protoreflect.FieldDescriptor
+	fd_MsgEthereumTxResponse_max_used_gas protoreflect.FieldDescriptor
 )
 
 func init() {
@@ -929,6 +930,7 @@ func init() {
 	fd_MsgEthereumTxResponse_ret = md_MsgEthereumTxResponse.Fields().ByName("ret")
 	fd_MsgEthereumTxResponse_vm_error = md_MsgEthereumTxResponse.Fields().ByName("vm_error")
 	fd_MsgEthereumTxResponse_gas_used = md_MsgEthereumTxResponse.Fields().ByName("gas_used")
+	fd_MsgEthereumTxResponse_max_used_gas = md_MsgEthereumTxResponse.Fields().ByName("max_used_gas")
 }
 
 var _ protoreflect.Message = (*fastReflection_MsgEthereumTxResponse)(nil)
@@ -1026,6 +1028,12 @@ func (x *fastReflection_MsgEthereumTxResponse) Range(f func(protoreflect.FieldDe
 			return
 		}
 	}
+	if x.MaxUsedGas != uint64(0) {
+		value := protoreflect.ValueOfUint64(x.MaxUsedGas)
+		if !f(fd_MsgEthereumTxResponse_max_used_gas, value) {
+			return
+		}
+	}
 }
 
 // Has reports whether a field is populated.
@@ -1051,6 +1059,8 @@ func (x *fastReflection_MsgEthereumTxResponse) Has(fd protoreflect.FieldDescript
 		return x.VmError != ""
 	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.gas_used":
 		return x.GasUsed != uint64(0)
+	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.max_used_gas":
+		return x.MaxUsedGas != uint64(0)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.evm.vm.v1.MsgEthereumTxResponse"))
@@ -1077,6 +1087,8 @@ func (x *fastReflection_MsgEthereumTxResponse) Clear(fd protoreflect.FieldDescri
 		x.VmError = ""
 	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.gas_used":
 		x.GasUsed = uint64(0)
+	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.max_used_gas":
+		x.MaxUsedGas = uint64(0)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.evm.vm.v1.MsgEthereumTxResponse"))
@@ -1111,6 +1123,9 @@ func (x *fastReflection_MsgEthereumTxResponse) Get(descriptor protoreflect.Field
 	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.gas_used":
 		value := x.GasUsed
 		return protoreflect.ValueOfUint64(value)
+	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.max_used_gas":
+		value := x.MaxUsedGas
+		return protoreflect.ValueOfUint64(value)
 	default:
 		if descriptor.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.evm.vm.v1.MsgEthereumTxResponse"))
@@ -1143,6 +1158,8 @@ func (x *fastReflection_MsgEthereumTxResponse) Set(fd protoreflect.FieldDescript
 		x.VmError = value.Interface().(string)
 	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.gas_used":
 		x.GasUsed = value.Uint()
+	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.max_used_gas":
+		x.MaxUsedGas = value.Uint()
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.evm.vm.v1.MsgEthereumTxResponse"))
@@ -1177,6 +1194,8 @@ func (x *fastReflection_MsgEthereumTxResponse) Mutable(fd protoreflect.FieldDesc
 		panic(fmt.Errorf("field vm_error of message cosmos.evm.vm.v1.MsgEthereumTxResponse is not mutable"))
 	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.gas_used":
 		panic(fmt.Errorf("field gas_used of message cosmos.evm.vm.v1.MsgEthereumTxResponse is not mutable"))
+	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.max_used_gas":
+		panic(fmt.Errorf("field max_used_gas of message cosmos.evm.vm.v1.MsgEthereumTxResponse is not mutable"))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.evm.vm.v1.MsgEthereumTxResponse"))
@@ -1201,6 +1220,8 @@ func (x *fastReflection_MsgEthereumTxResponse) NewField(fd protoreflect.FieldDes
 		return protoreflect.ValueOfString("")
 	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.gas_used":
 		return protoreflect.ValueOfUint64(uint64(0))
+	case "cosmos.evm.vm.v1.MsgEthereumTxResponse.max_used_gas":
+		return protoreflect.ValueOfUint64(uint64(0))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.evm.vm.v1.MsgEthereumTxResponse"))
@@ -1291,6 +1312,9 @@ func (x *fastReflection_MsgEthereumTxResponse) ProtoMethods() *protoiface.Method
 		if x.GasUsed != 0 {
 			n += 1 + runtime.Sov(uint64(x.GasUsed))
 		}
+		if x.MaxUsedGas != 0 {
+			n += 1 + runtime.Sov(uint64(x.MaxUsedGas))
+		}
 		if x.unknownFields != nil {
 			n += len(x.unknownFields)
 		}
@@ -1320,6 +1344,11 @@ func (x *fastReflection_MsgEthereumTxResponse) ProtoMethods() *protoiface.Method
 			i -= len(x.unknownFields)
 			copy(dAtA[i:], x.unknownFields)
 		}
+		if x.MaxUsedGas != 0 {
+			i = runtime.EncodeVarint(dAtA, i, uint64(x.MaxUsedGas))
+			i--
+			dAtA[i] = 0x30
+		}
 		if x.GasUsed != 0 {
 			i = runtime.EncodeVarint(dAtA, i, uint64(x.GasUsed))
 			i--
@@ -1562,6 +1591,25 @@ func (x *fastReflection_MsgEthereumTxResponse) ProtoMethods() *protoiface.Method
 						break
 					}
 				}
+			case 6:
+				if wireType != 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field MaxUsedGas", wireType)
+				}
+				x.MaxUsedGas = 0
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					x.MaxUsedGas |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
 			default:
 				iNdEx = preIndex
 				skippy, err := runtime.Skip(dAtA[iNdEx:])
@@ -3474,6 +3522,8 @@ type MsgEthereumTxResponse struct {
 	VmError string `protobuf:"bytes,4,opt,name=vm_error,json=vmError,proto3" json:"vm_error,omitempty"`
 	// gas_used specifies how much gas was consumed by the transaction
 	GasUsed uint64 `protobuf:"varint,5,opt,name=gas_used,json=gasUsed,proto3" json:"gas_used,omitempty"`
+	// max_used_gas specifies the gas consumed by the transaction, not including refunds
+	MaxUsedGas uint64 `protobuf:"varint,6,opt,name=max_used_gas,json=maxUsedGas,proto3" json:"max_used_gas,omitempty"`
 }
 
 func (x *MsgEthereumTxResponse) Reset() {
@@ -3531,6 +3581,13 @@ func (x *MsgEthereumTxResponse) GetGasUsed() uint64 {
 	return 0
 }
 
+func (x *MsgEthereumTxResponse) GetMaxUsedGas() uint64 {
+	if x != nil {
+		return x.MaxUsedGas
+	}
+	return 0
+}
+
 // MsgUpdateParams defines a Msg for updating the x/vm module parameters.
 type MsgUpdateParams struct {
 	state         protoimpl.MessageState
@@ -3706,7 +3763,7 @@ var file_cosmos_evm_vm_v1_tx_proto_rawDesc = []byte{
 	0x04, 0x08, 0x03, 0x10, 0x04, 0x4a, 0x04, 0x08, 0x04, 0x10, 0x05, 0x22, 0x22, 0x0a, 0x1a, 0x45,
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@@ -3716,69 +3773,71 @@ var file_cosmos_evm_vm_v1_tx_proto_rawDesc = []byte{
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+	0x63, 0x6f, 0x73, 0x6d, 0x6f, 0x73, 0x73, 0x64, 0x6b, 0x2e, 0x69, 0x6f, 0x2f, 0x61, 0x70, 0x69,
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+	0x31, 0x3b, 0x76, 0x6d, 0x76, 0x31, 0xa2, 0x02, 0x03, 0x43, 0x45, 0x56, 0xaa, 0x02, 0x10, 0x43,
+	0x6f, 0x73, 0x6d, 0x6f, 0x73, 0x2e, 0x45, 0x76, 0x6d, 0x2e, 0x56, 0x6d, 0x2e, 0x56, 0x31, 0xca,
+	0x02, 0x10, 0x43, 0x6f, 0x73, 0x6d, 0x6f, 0x73, 0x5c, 0x45, 0x76, 0x6d, 0x5c, 0x56, 0x6d, 0x5c,
+	0x56, 0x31, 0xe2, 0x02, 0x1c, 0x43, 0x6f, 0x73, 0x6d, 0x6f, 0x73, 0x5c, 0x45, 0x76, 0x6d, 0x5c,
+	0x56, 0x6d, 0x5c, 0x56, 0x31, 0x5c, 0x47, 0x50, 0x42, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74,
+	0x61, 0xea, 0x02, 0x13, 0x43, 0x6f, 0x73, 0x6d, 0x6f, 0x73, 0x3a, 0x3a, 0x45, 0x76, 0x6d, 0x3a,
+	0x3a, 0x56, 0x6d, 0x3a, 0x3a, 0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/evmd/tests/integration/x_vm_test.go b/evmd/tests/integration/x_vm_test.go
index 37c439a17..c1aec6e9f 100644
--- a/evmd/tests/integration/x_vm_test.go
+++ b/evmd/tests/integration/x_vm_test.go
@@ -1,13 +1,87 @@
 package integration
 
 import (
+	"encoding/json"
 	"testing"
 
-	"github.com/stretchr/testify/suite"
-
+	"github.com/cosmos/evm/server/config"
 	"github.com/cosmos/evm/tests/integration/x/vm"
+	"github.com/cosmos/evm/testutil/integration/evm/network"
+	"github.com/cosmos/evm/testutil/keyring"
+	feemarkettypes "github.com/cosmos/evm/x/feemarket/types"
+	"github.com/cosmos/evm/x/vm/types"
+	"github.com/ethereum/go-ethereum/common"
+
+	"github.com/stretchr/testify/require"
+	"github.com/stretchr/testify/suite"
 )
 
+func BenchmarkGasEstimation(b *testing.B) {
+	// Setup benchmark test environment
+	keys := keyring.New(2)
+	// Set custom balance based on test params
+	customGenesis := network.CustomGenesisState{}
+	feemarketGenesis := feemarkettypes.DefaultGenesisState()
+	feemarketGenesis.Params.NoBaseFee = true
+	customGenesis[feemarkettypes.ModuleName] = feemarketGenesis
+	opts := []network.ConfigOption{
+		network.WithPreFundedAccounts(keys.GetAllAccAddrs()...),
+		network.WithCustomGenesis(customGenesis),
+	}
+	nw := network.NewUnitTestNetwork(CreateEvmd, opts...)
+	// gh := grpc.NewIntegrationHandler(nw)
+	// tf := factory.New(nw, gh)
+
+	chainConfig := types.DefaultChainConfig(nw.GetEIP155ChainID().Uint64())
+	// get the denom and decimals set on chain initialization
+	// because we'll need to set them again when resetting the chain config
+	denom := types.GetEVMCoinDenom()
+	extendedDenom := types.GetEVMCoinExtendedDenom()
+	displayDenom := types.GetEVMCoinDisplayDenom()
+	decimals := types.GetEVMCoinDecimals()
+
+	configurator := types.NewEVMConfigurator()
+	configurator.ResetTestConfig()
+	err := configurator.
+		WithChainConfig(chainConfig).
+		WithEVMCoinInfo(types.EvmCoinInfo{
+			Denom:         denom,
+			ExtendedDenom: extendedDenom,
+			DisplayDenom:  displayDenom,
+			Decimals:      decimals,
+		}).
+		Configure()
+	require.NoError(b, err)
+
+	// Use simple transaction args for consistent benchmarking
+	args := types.TransactionArgs{
+		To: &common.Address{},
+	}
+
+	marshalArgs, err := json.Marshal(args)
+	require.NoError(b, err)
+
+	req := types.EthCallRequest{
+		Args:            marshalArgs,
+		GasCap:          config.DefaultGasCap,
+		ProposerAddress: nw.GetContext().BlockHeader().ProposerAddress,
+	}
+
+	// Reset timer to exclude setup time
+	b.ResetTimer()
+
+	// Run the benchmark
+	for i := 0; i < b.N; i++ {
+		_, err := nw.GetEvmClient().EstimateGas(
+			nw.GetContext(),
+			&req,
+		)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
 func TestKeeperTestSuite(t *testing.T) {
 	s := vm.NewKeeperTestSuite(CreateEvmd)
 	s.EnableFeemarket = false
diff --git a/proto/cosmos/evm/vm/v1/tx.proto b/proto/cosmos/evm/vm/v1/tx.proto
index 384c047cc..3d953e9e0 100644
--- a/proto/cosmos/evm/vm/v1/tx.proto
+++ b/proto/cosmos/evm/vm/v1/tx.proto
@@ -71,6 +71,8 @@ message MsgEthereumTxResponse {
   string vm_error = 4;
   // gas_used specifies how much gas was consumed by the transaction
   uint64 gas_used = 5;
+  // max_used_gas specifies the gas consumed by the transaction, not including refunds
+  uint64 max_used_gas = 6;
 }
 
 // MsgUpdateParams defines a Msg for updating the x/vm module parameters.
diff --git a/x/vm/keeper/grpc_query.go b/x/vm/keeper/grpc_query.go
index eb895079c..9f2413cd8 100644
--- a/x/vm/keeper/grpc_query.go
+++ b/x/vm/keeper/grpc_query.go
@@ -404,20 +404,32 @@ func (k Keeper) EstimateGasInternal(c context.Context, req *types.EthCallRequest
 		return len(rsp.VmError) > 0, rsp, nil
 	}
 
-	// Execute the binary search and hone in on an executable gas limit
-	hi, err = types.BinSearch(lo, hi, executable)
+	// Adapted from go-ethereum gas estimator for early short-circuit and optimistic bounds:
+	// https://github.com/ethereum/go-ethereum/blob/v1.16.2/eth/gasestimator/gasestimator.go
+
+	// If the transaction is a plain value transfer, short circuit estimation and
+	// directly try 21000. Returning 21000 without any execution is dangerous as
+	// some tx field combos might bump the price up even for plain transfers (e.g.
+	// unused access list items). Ever so slightly wasteful, but safer overall.
+	if len(msg.Data) == 0 && msg.To != nil {
+		acct := k.GetAccountWithoutBalance(ctx, *msg.To)
+		if acct == nil || !acct.IsContract() {
+			failed, _, err := executable(ethparams.TxGas)
+			if err == nil && !failed {
+				return &types.EstimateGasResponse{Gas: ethparams.TxGas}, nil
+			}
+		}
+	}
+
+	// We first execute the transaction at the highest allowable gas limit, since if this fails we
+	// can return error immediately.
+	failed, result, err := executable(hi)
 	if err != nil {
 		return nil, err
 	}
-
-	// Reject the transaction as invalid if it still fails at the highest allowance
-	if hi == gasCap {
-		failed, result, err := executable(hi)
-		if err != nil {
-			return nil, err
-		}
-
-		if failed {
+	if failed {
+		// Preserve Cosmos error semantics when the cap is reached
+		if hi == gasCap {
 			if result != nil && result.VmError != vm.ErrOutOfGas.Error() {
 				if result.VmError == vm.ErrExecutionReverted.Error() {
 					return &types.EstimateGasResponse{
@@ -427,10 +439,34 @@ func (k Keeper) EstimateGasInternal(c context.Context, req *types.EthCallRequest
 				}
 				return nil, errors.New(result.VmError)
 			}
-			// Otherwise, the specified gas cap is too low
 			return nil, fmt.Errorf("gas required exceeds allowance (%d)", gasCap)
 		}
+		// If no larger allowance is available, fail fast
+		return nil, fmt.Errorf("gas required exceeds allowance (%d)", hi)
 	}
+
+	// There's a fairly high chance for the transaction to execute successfully
+	// with gasLimit set to the first execution's usedGas + gasRefund. Explicitly
+	// check that gas amount and use as a limit for the binary search.
+	optimisticGasLimit := (result.MaxUsedGas + ethparams.CallStipend) * 64 / 63
+	if optimisticGasLimit < hi {
+		failed, _, err = executable(optimisticGasLimit)
+		if err != nil {
+			return nil, err
+		}
+		if failed {
+			lo = optimisticGasLimit
+		} else {
+			hi = optimisticGasLimit
+		}
+	}
+
+	// Binary search for the smallest gas limit that allows the tx to execute successfully.
+	hi, err = types.BinSearch(lo, hi, executable)
+	if err != nil {
+		return nil, err
+	}
+
 	return &types.EstimateGasResponse{Gas: hi}, nil
 }
 
diff --git a/x/vm/keeper/state_transition.go b/x/vm/keeper/state_transition.go
index d163bdc4a..7811bc334 100644
--- a/x/vm/keeper/state_transition.go
+++ b/x/vm/keeper/state_transition.go
@@ -460,12 +460,12 @@ func (k *Keeper) ApplyMessageWithConfig(ctx sdk.Context, msg core.Message, trace
 		return nil, errorsmod.Wrap(types.ErrGasOverflow, "apply message")
 	}
 	// refund gas
-	temporaryGasUsed := msg.GasLimit - leftoverGas
-	refund := GasToRefund(stateDB.GetRefund(), temporaryGasUsed, refundQuotient)
+	maxUsedGas := msg.GasLimit - leftoverGas
+	refund := GasToRefund(stateDB.GetRefund(), maxUsedGas, refundQuotient)
 
 	// update leftoverGas and temporaryGasUsed with refund amount
 	leftoverGas += refund
-	temporaryGasUsed -= refund
+	temporaryGasUsed := maxUsedGas - refund
 
 	// EVM execution error needs to be available for the JSON-RPC client
 	var vmError string
@@ -508,11 +508,12 @@ func (k *Keeper) ApplyMessageWithConfig(ctx sdk.Context, msg core.Message, trace
 	}
 
 	return &types.MsgEthereumTxResponse{
-		GasUsed: gasUsed.TruncateInt().Uint64(),
-		VmError: vmError,
-		Ret:     ret,
-		Logs:    types.NewLogsFromEth(stateDB.Logs()),
-		Hash:    txConfig.TxHash.Hex(),
+		GasUsed:    gasUsed.TruncateInt().Uint64(),
+		MaxUsedGas: maxUsedGas,
+		VmError:    vmError,
+		Ret:        ret,
+		Logs:       types.NewLogsFromEth(stateDB.Logs()),
+		Hash:       txConfig.TxHash.Hex(),
 	}, nil
 }
 
diff --git a/x/vm/types/tx.pb.go b/x/vm/types/tx.pb.go
index 3dd000bf8..dc6c10831 100644
--- a/x/vm/types/tx.pb.go
+++ b/x/vm/types/tx.pb.go
@@ -128,6 +128,8 @@ type MsgEthereumTxResponse struct {
 	VmError string `protobuf:"bytes,4,opt,name=vm_error,json=vmError,proto3" json:"vm_error,omitempty"`
 	// gas_used specifies how much gas was consumed by the transaction
 	GasUsed uint64 `protobuf:"varint,5,opt,name=gas_used,json=gasUsed,proto3" json:"gas_used,omitempty"`
+	// max_used_gas specifies the gas consumed by the transaction, not including refunds
+	MaxUsedGas uint64 `protobuf:"varint,6,opt,name=max_used_gas,json=maxUsedGas,proto3" json:"max_used_gas,omitempty"`
 }
 
 func (m *MsgEthereumTxResponse) Reset()         { *m = MsgEthereumTxResponse{} }
@@ -363,50 +365,51 @@ func init() {
 func init() { proto.RegisterFile("cosmos/evm/vm/v1/tx.proto", fileDescriptor_77a8ac5e8c9c4850) }
 
 var fileDescriptor_77a8ac5e8c9c4850 = []byte{
-	// 678 bytes of a gzipped FileDescriptorProto
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-	0x3b, 0x6f, 0x8c, 0x05, 0x00, 0x00,
+	// 699 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x54, 0x4f, 0x6b, 0x13, 0x4f,
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+	0x77, 0x0f, 0xf2, 0xda, 0xde, 0x41, 0x5e, 0xfb, 0x75, 0x90, 0xd7, 0xde, 0x1e, 0xe6, 0x53, 0x7b,
+	0x87, 0xf9, 0xd4, 0xf7, 0xc3, 0x7c, 0xea, 0x71, 0x91, 0xb8, 0xb2, 0xdd, 0xdd, 0x28, 0x6f, 0x32,
+	0x6a, 0x9f, 0x4e, 0x53, 0x6e, 0xf9, 0x58, 0x6c, 0x8c, 0x07, 0x3f, 0xba, 0x1b, 0x7f, 0x02, 0x00,
+	0x00, 0xff, 0xff, 0xf9, 0x21, 0xde, 0xc0, 0xae, 0x05, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -658,6 +661,11 @@ func (m *MsgEthereumTxResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.MaxUsedGas != 0 {
+		i = encodeVarintTx(dAtA, i, uint64(m.MaxUsedGas))
+		i--
+		dAtA[i] = 0x30
+	}
 	if m.GasUsed != 0 {
 		i = encodeVarintTx(dAtA, i, uint64(m.GasUsed))
 		i--
@@ -893,6 +901,9 @@ func (m *MsgEthereumTxResponse) Size() (n int) {
 	if m.GasUsed != 0 {
 		n += 1 + sovTx(uint64(m.GasUsed))
 	}
+	if m.MaxUsedGas != 0 {
+		n += 1 + sovTx(uint64(m.MaxUsedGas))
+	}
 	return n
 }
 
@@ -1301,6 +1312,25 @@ func (m *MsgEthereumTxResponse) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 6:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MaxUsedGas", wireType)
+			}
+			m.MaxUsedGas = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.MaxUsedGas |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTx(dAtA[iNdEx:])