grpc: add eth_call query command (#236)

* add eth_call query command Implement EthCall grpc query api Closes #229 add eth_call query command fix codec issue use query client use grpc status error and codes validate address length in grpc handler * Update x/evm/types/callargs.go Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
2021-07-09 17:04:46 +08:00 · 2021-07-09 17:04:46 +08:00 · 0020e4f2cd
commit 0020e4f2cd
parent 7951852bb0
13 changed files with 3332 additions and 521 deletions
--- a/client/docs/statik/statik.go
+++ b/client/docs/statik/statik.go
--- a/client/docs/swagger-ui/swagger.yaml
+++ b/client/docs/swagger-ui/swagger.yaml
--- a/docs/core/proto-docs.md
+++ b/docs/core/proto-docs.md
@ -21,7 +21,18 @@
    - [GenesisAccount](#ethermint.evm.v1alpha1.GenesisAccount)
    - [GenesisState](#ethermint.evm.v1alpha1.GenesisState)
  
+- [ethermint/evm/v1alpha1/tx.proto](#ethermint/evm/v1alpha1/tx.proto)
+    - [AccessListTx](#ethermint.evm.v1alpha1.AccessListTx)
+    - [ExtensionOptionsEthereumTx](#ethermint.evm.v1alpha1.ExtensionOptionsEthereumTx)
+    - [ExtensionOptionsWeb3Tx](#ethermint.evm.v1alpha1.ExtensionOptionsWeb3Tx)
+    - [LegacyTx](#ethermint.evm.v1alpha1.LegacyTx)
+    - [MsgEthereumTx](#ethermint.evm.v1alpha1.MsgEthereumTx)
+    - [MsgEthereumTxResponse](#ethermint.evm.v1alpha1.MsgEthereumTxResponse)
+  
+    - [Msg](#ethermint.evm.v1alpha1.Msg)
+  
 - [ethermint/evm/v1alpha1/query.proto](#ethermint/evm/v1alpha1/query.proto)
+    - [EthCallRequest](#ethermint.evm.v1alpha1.EthCallRequest)
    - [QueryAccountRequest](#ethermint.evm.v1alpha1.QueryAccountRequest)
    - [QueryAccountResponse](#ethermint.evm.v1alpha1.QueryAccountResponse)
    - [QueryBalanceRequest](#ethermint.evm.v1alpha1.QueryBalanceRequest)
@ -49,16 +60,6 @@
  
    - [Query](#ethermint.evm.v1alpha1.Query)
  
- [ethermint/evm/v1alpha1/tx.proto](#ethermint/evm/v1alpha1/tx.proto)
-    - [AccessListTx](#ethermint.evm.v1alpha1.AccessListTx)
-    - [ExtensionOptionsEthereumTx](#ethermint.evm.v1alpha1.ExtensionOptionsEthereumTx)
-    - [ExtensionOptionsWeb3Tx](#ethermint.evm.v1alpha1.ExtensionOptionsWeb3Tx)
-    - [LegacyTx](#ethermint.evm.v1alpha1.LegacyTx)
-    - [MsgEthereumTx](#ethermint.evm.v1alpha1.MsgEthereumTx)
-    - [MsgEthereumTxResponse](#ethermint.evm.v1alpha1.MsgEthereumTxResponse)
-  
-    - [Msg](#ethermint.evm.v1alpha1.Msg)
-  
 - [ethermint/types/v1alpha1/account.proto](#ethermint/types/v1alpha1/account.proto)
    - [EthAccount](#ethermint.types.v1alpha1.EthAccount)
  
@ -337,6 +338,139 @@ GenesisState defines the evm module's genesis state.



+<a name="ethermint/evm/v1alpha1/tx.proto"></a>
+<p align="right"><a href="#top">Top</a></p>
+
+## ethermint/evm/v1alpha1/tx.proto
+
+
+
+<a name="ethermint.evm.v1alpha1.AccessListTx"></a>
+
+### AccessListTx
+AccessListTx is the data of EIP-2930 access list transactions.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `chain_id` | [string](#string) |  | destination EVM chain ID |
+| `nonce` | [uint64](#uint64) |  | nonce corresponds to the account nonce (transaction sequence). |
+| `gas_price` | [string](#string) |  | gas price defines the value for each gas unit |
+| `gas` | [uint64](#uint64) |  | gas defines the gas limit defined for the transaction. |
+| `to` | [string](#string) |  | hex formatted address of the recipient |
+| `value` | [string](#string) |  | value defines the unsigned integer value of the transaction amount. |
+| `data` | [bytes](#bytes) |  | input defines the data payload bytes of the transaction. |
+| `accesses` | [AccessTuple](#ethermint.evm.v1alpha1.AccessTuple) | repeated |  |
+| `v` | [bytes](#bytes) |  | v defines the signature value |
+| `r` | [bytes](#bytes) |  | r defines the signature value |
+| `s` | [bytes](#bytes) |  | s define the signature value |
+
+
+
+
+
+
+<a name="ethermint.evm.v1alpha1.ExtensionOptionsEthereumTx"></a>
+
+### ExtensionOptionsEthereumTx
+
+
+
+
+
+
+
+<a name="ethermint.evm.v1alpha1.ExtensionOptionsWeb3Tx"></a>
+
+### ExtensionOptionsWeb3Tx
+
+
+
+
+
+
+
+<a name="ethermint.evm.v1alpha1.LegacyTx"></a>
+
+### LegacyTx
+LegacyTx is the transaction data of regular Ethereum transactions.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `nonce` | [uint64](#uint64) |  | nonce corresponds to the account nonce (transaction sequence). |
+| `gas_price` | [string](#string) |  | gas price defines the value for each gas unit |
+| `gas` | [uint64](#uint64) |  | gas defines the gas limit defined for the transaction. |
+| `to` | [string](#string) |  | hex formatted address of the recipient |
+| `value` | [string](#string) |  | value defines the unsigned integer value of the transaction amount. |
+| `data` | [bytes](#bytes) |  | input defines the data payload bytes of the transaction. |
+| `v` | [bytes](#bytes) |  | v defines the signature value |
+| `r` | [bytes](#bytes) |  | r defines the signature value |
+| `s` | [bytes](#bytes) |  | s define the signature value |
+
+
+
+
+
+
+<a name="ethermint.evm.v1alpha1.MsgEthereumTx"></a>
+
+### MsgEthereumTx
+MsgEthereumTx encapsulates an Ethereum transaction as an SDK message.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `data` | [google.protobuf.Any](#google.protobuf.Any) |  | inner transaction data
+
+caches |
+| `size` | [double](#double) |  | encoded storage size of the transaction |
+| `hash` | [string](#string) |  | transaction hash in hex format |
+| `from` | [string](#string) |  | ethereum signer address in hex format. This address value is checked against the address derived from the signature (V, R, S) using the secp256k1 elliptic curve |
+
+
+
+
+
+
+<a name="ethermint.evm.v1alpha1.MsgEthereumTxResponse"></a>
+
+### MsgEthereumTxResponse
+MsgEthereumTxResponse defines the Msg/EthereumTx response type.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `hash` | [string](#string) |  | ethereum transaction hash in hex format. This hash differs from the Tendermint sha256 hash of the transaction bytes. See https://github.com/tendermint/tendermint/issues/6539 for reference |
+| `logs` | [Log](#ethermint.evm.v1alpha1.Log) | repeated | logs contains the transaction hash and the proto-compatible ethereum logs. |
+| `ret` | [bytes](#bytes) |  | returned data from evm function (result or data supplied with revert opcode) |
+| `reverted` | [bool](#bool) |  | reverted flag is set to true when the call has been reverted |
+| `gas_used` | [uint64](#uint64) |  | gas consumed by the transaction |
+
+
+
+
+
+ <!-- end messages -->
+
+ <!-- end enums -->
+
+ <!-- end HasExtensions -->
+
+
+<a name="ethermint.evm.v1alpha1.Msg"></a>
+
+### Msg
+Msg defines the evm Msg service.
+
+| Method Name | Request Type | Response Type | Description | HTTP Verb | Endpoint |
+| ----------- | ------------ | ------------- | ------------| ------- | -------- |
+| `EthereumTx` | [MsgEthereumTx](#ethermint.evm.v1alpha1.MsgEthereumTx) | [MsgEthereumTxResponse](#ethermint.evm.v1alpha1.MsgEthereumTxResponse) | EthereumTx defines a method submitting Ethereum transactions. | |
+
+ <!-- end services -->
+
+
+
 <a name="ethermint/evm/v1alpha1/query.proto"></a>
 <p align="right"><a href="#top">Top</a></p>

@ -344,6 +478,21 @@ GenesisState defines the evm module's genesis state.



+<a name="ethermint.evm.v1alpha1.EthCallRequest"></a>
+
+### EthCallRequest
+EthCallRequest defines EthCall request
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `args` | [bytes](#bytes) |  | same json format as the json rpc api. |
+
+
+
+
+
+
 <a name="ethermint.evm.v1alpha1.QueryAccountRequest"></a>

 ### QueryAccountRequest
@ -728,139 +877,7 @@ Query defines the gRPC querier service.
 | `Params` | [QueryParamsRequest](#ethermint.evm.v1alpha1.QueryParamsRequest) | [QueryParamsResponse](#ethermint.evm.v1alpha1.QueryParamsResponse) | Params queries the parameters of x/evm module. | GET|/ethermint/evm/v1alpha1/params|
 | `ChainConfig` | [QueryChainConfigRequest](#ethermint.evm.v1alpha1.QueryChainConfigRequest) | [QueryChainConfigResponse](#ethermint.evm.v1alpha1.QueryChainConfigResponse) | ChainConfig queries the chain configuration values of EVM. | GET|/ethermint/evm/v1alpha1/chain_config|
 | `StaticCall` | [QueryStaticCallRequest](#ethermint.evm.v1alpha1.QueryStaticCallRequest) | [QueryStaticCallResponse](#ethermint.evm.v1alpha1.QueryStaticCallResponse) | StaticCall queries the static call value of x/evm module. | GET|/ethermint/evm/v1alpha1/static_call|
-
- <!-- end services -->
-
-
-
-<a name="ethermint/evm/v1alpha1/tx.proto"></a>
-<p align="right"><a href="#top">Top</a></p>
-
-## ethermint/evm/v1alpha1/tx.proto
-
-
-
-<a name="ethermint.evm.v1alpha1.AccessListTx"></a>
-
-### AccessListTx
-AccessListTx is the data of EIP-2930 access list transactions.
-
-
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| `chain_id` | [string](#string) |  | destination EVM chain ID |
-| `nonce` | [uint64](#uint64) |  | nonce corresponds to the account nonce (transaction sequence). |
-| `gas_price` | [string](#string) |  | gas price defines the value for each gas unit |
-| `gas` | [uint64](#uint64) |  | gas defines the gas limit defined for the transaction. |
-| `to` | [string](#string) |  | hex formatted address of the recipient |
-| `value` | [string](#string) |  | value defines the unsigned integer value of the transaction amount. |
-| `data` | [bytes](#bytes) |  | input defines the data payload bytes of the transaction. |
-| `accesses` | [AccessTuple](#ethermint.evm.v1alpha1.AccessTuple) | repeated |  |
-| `v` | [bytes](#bytes) |  | v defines the signature value |
-| `r` | [bytes](#bytes) |  | r defines the signature value |
-| `s` | [bytes](#bytes) |  | s define the signature value |
-
-
-
-
-
-
-<a name="ethermint.evm.v1alpha1.ExtensionOptionsEthereumTx"></a>
-
-### ExtensionOptionsEthereumTx
-
-
-
-
-
-
-
-<a name="ethermint.evm.v1alpha1.ExtensionOptionsWeb3Tx"></a>
-
-### ExtensionOptionsWeb3Tx
-
-
-
-
-
-
-
-<a name="ethermint.evm.v1alpha1.LegacyTx"></a>
-
-### LegacyTx
-LegacyTx is the transaction data of regular Ethereum transactions.
-
-
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| `nonce` | [uint64](#uint64) |  | nonce corresponds to the account nonce (transaction sequence). |
-| `gas_price` | [string](#string) |  | gas price defines the value for each gas unit |
-| `gas` | [uint64](#uint64) |  | gas defines the gas limit defined for the transaction. |
-| `to` | [string](#string) |  | hex formatted address of the recipient |
-| `value` | [string](#string) |  | value defines the unsigned integer value of the transaction amount. |
-| `data` | [bytes](#bytes) |  | input defines the data payload bytes of the transaction. |
-| `v` | [bytes](#bytes) |  | v defines the signature value |
-| `r` | [bytes](#bytes) |  | r defines the signature value |
-| `s` | [bytes](#bytes) |  | s define the signature value |
-
-
-
-
-
-
-<a name="ethermint.evm.v1alpha1.MsgEthereumTx"></a>
-
-### MsgEthereumTx
-MsgEthereumTx encapsulates an Ethereum transaction as an SDK message.
-
-
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| `data` | [google.protobuf.Any](#google.protobuf.Any) |  | inner transaction data
-
-caches |
-| `size` | [double](#double) |  | encoded storage size of the transaction |
-| `hash` | [string](#string) |  | transaction hash in hex format |
-| `from` | [string](#string) |  | ethereum signer address in hex format. This address value is checked against the address derived from the signature (V, R, S) using the secp256k1 elliptic curve |
-
-
-
-
-
-
-<a name="ethermint.evm.v1alpha1.MsgEthereumTxResponse"></a>
-
-### MsgEthereumTxResponse
-MsgEthereumTxResponse defines the Msg/EthereumTx response type.
-
-
-| Field | Type | Label | Description |
-| ----- | ---- | ----- | ----------- |
-| `hash` | [string](#string) |  | ethereum transaction hash in hex format. This hash differs from the Tendermint sha256 hash of the transaction bytes. See https://github.com/tendermint/tendermint/issues/6539 for reference |
-| `logs` | [Log](#ethermint.evm.v1alpha1.Log) | repeated | logs contains the transaction hash and the proto-compatible ethereum logs. |
-| `ret` | [bytes](#bytes) |  | returned data from evm function (result or data supplied with revert opcode) |
-| `reverted` | [bool](#bool) |  | reverted flag is set to true when the call has been reverted |
-| `gas_used` | [uint64](#uint64) |  | gas consumed by the transaction |
-
-
-
-
-
- <!-- end messages -->
-
- <!-- end enums -->
-
- <!-- end HasExtensions -->
-
-
-<a name="ethermint.evm.v1alpha1.Msg"></a>
-
-### Msg
-Msg defines the evm Msg service.
-
-| Method Name | Request Type | Response Type | Description | HTTP Verb | Endpoint |
-| ----------- | ------------ | ------------- | ------------| ------- | -------- |
-| `EthereumTx` | [MsgEthereumTx](#ethermint.evm.v1alpha1.MsgEthereumTx) | [MsgEthereumTxResponse](#ethermint.evm.v1alpha1.MsgEthereumTxResponse) | EthereumTx defines a method submitting Ethereum transactions. | |
+| `EthCall` | [EthCallRequest](#ethermint.evm.v1alpha1.EthCallRequest) | [MsgEthereumTxResponse](#ethermint.evm.v1alpha1.MsgEthereumTxResponse) | EthCall implements the `eth_call` rpc api | GET|/ethermint/evm/v1alpha1/eth_call|

 <!-- end services -->

--- a/ethereum/rpc/namespaces/eth/api.go
+++ b/ethereum/rpc/namespaces/eth/api.go
@ -3,11 +3,11 @@ package eth
 import (
 	"bytes"
 	"context"
+	"encoding/json"
 	"fmt"
 	"math/big"
 	"strings"

-	"github.com/gogo/protobuf/jsonpb"
 	"github.com/pkg/errors"
 	"github.com/spf13/viper"
 	log "github.com/xlab/suplog"
@ -20,7 +20,6 @@ import (
 	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"

-	abci "github.com/tendermint/tendermint/abci/types"
 	tmrpctypes "github.com/tendermint/tendermint/rpc/core/types"

 	"github.com/ethereum/go-ethereum/accounts/keystore"
@ -518,19 +517,13 @@ func (e *PublicAPI) SendRawTransaction(data hexutil.Bytes) (common.Hash, error)
 }

 // Call performs a raw contract call.
-func (e *PublicAPI) Call(args rpctypes.CallArgs, blockNr rpctypes.BlockNumber, _ *rpctypes.StateOverride) (hexutil.Bytes, error) {
+func (e *PublicAPI) Call(args evmtypes.CallArgs, blockNr rpctypes.BlockNumber, _ *rpctypes.StateOverride) (hexutil.Bytes, error) {
 	e.logger.Debugln("eth_call", "args", args.String(), "block number", blockNr)
-	simRes, err := e.doCall(args, blockNr, big.NewInt(ethermint.DefaultRPCGasLimit))
+	data, err := e.doCall(args, blockNr)
 	if err != nil {
 		return []byte{}, err
 	}

-	data, err := evmtypes.DecodeTxResponse(simRes.Result.Data)
-	if err != nil {
-		e.logger.WithError(err).Warningln("call result decoding failed")
-		return []byte{}, err
-	}
-
 	if data.Reverted {
 		return []byte{}, evmtypes.NewExecErrorWithReason(data.Ret)
 	}
@ -541,147 +534,35 @@ func (e *PublicAPI) Call(args rpctypes.CallArgs, blockNr rpctypes.BlockNumber, _
 // DoCall performs a simulated call operation through the evmtypes. It returns the
 // estimated gas used on the operation or an error if fails.
 func (e *PublicAPI) doCall(
-	args rpctypes.CallArgs, blockNr rpctypes.BlockNumber, globalGasCap *big.Int,
-) (*sdk.SimulationResponse, error) {
-	// Set default gas & gas price if none were set
-	// Change this to uint64(math.MaxUint64 / 2) if gas cap can be configured
-	gas := uint64(ethermint.DefaultRPCGasLimit)
-	if args.Gas != nil {
-		gas = uint64(*args.Gas)
+	args evmtypes.CallArgs, blockNr rpctypes.BlockNumber,
+) (*evmtypes.MsgEthereumTxResponse, error) {
+	bz, err := json.Marshal(&args)
+	if err != nil {
+		return nil, err
 	}
-	if globalGasCap != nil && globalGasCap.Uint64() < gas {
-		e.logger.Debugln("Caller gas above allowance, capping", "requested", gas, "cap", globalGasCap)
-		gas = globalGasCap.Uint64()
-	}
-
-	// Set gas price using default or parameter if passed in
-	gasPrice := new(big.Int).SetUint64(ethermint.DefaultGasPrice)
-	if args.GasPrice != nil {
-		gasPrice = args.GasPrice.ToInt()
-	}
-
-	// Set value for transaction
-	value := new(big.Int)
-	if args.Value != nil {
-		value = args.Value.ToInt()
-	}
-
-	// Set Data if provided
-	var data []byte
-	if args.Data != nil {
-		data = []byte(*args.Data)
-	}
-
-	var accessList *ethtypes.AccessList
-	if args.AccessList != nil {
-		accessList = args.AccessList
-	}
-
-	if args.From == nil {
-		args.From = &common.Address{}
-	}
-
-	includePending := blockNr == rpctypes.EthPendingBlockNumber
-	seq, err := e.getAccountNonce(*args.From, includePending, 0, e.logger)
+	req := evmtypes.EthCallRequest{Args: bz}
+	res, err := e.queryClient.EthCall(rpctypes.ContextWithHeight(blockNr.Int64()), &req)
 	if err != nil {
 		return nil, err
 	}

-	// Create new call message
-	msg := evmtypes.NewTx(e.chainIDEpoch, seq, args.To, value, gas, gasPrice, data, accessList)
-	msg.From = args.From.String()
-
-	// TODO: get from chain config
-	signer := ethtypes.LatestSignerForChainID(e.chainIDEpoch)
-	if err := msg.Sign(signer, e.clientCtx.Keyring); err != nil {
-		return nil, err
-	}
-
-	if err := msg.ValidateBasic(); err != nil {
-		return nil, err
-	}
-
-	// Create a TxBuilder
-	txBuilder, ok := e.clientCtx.TxConfig.NewTxBuilder().(authtx.ExtensionOptionsTxBuilder)
-	if !ok {
-		log.Panicln("clientCtx.TxConfig.NewTxBuilder returns unsupported builder")
-	}
-
-	option, err := codectypes.NewAnyWithValue(&evmtypes.ExtensionOptionsEthereumTx{})
-	if err != nil {
-		log.Panicln("codectypes.NewAnyWithValue failed to pack an obvious value")
-	}
-	txBuilder.SetExtensionOptions(option)
-
-	if err := txBuilder.SetMsgs(msg); err != nil {
-		log.Panicln("builder.SetMsgs failed")
-	}
-
-	// Query params to use the EVM denomination
-	res, err := e.queryClient.QueryClient.Params(e.ctx, &evmtypes.QueryParamsRequest{})
-	if err != nil {
-		e.logger.WithError(err).Errorln("failed to query evm params")
-		return nil, err
-	}
-
-	txData, err := evmtypes.UnpackTxData(msg.Data)
-	if err != nil {
-		e.logger.WithError(err).Errorln("failed to unpack tx data")
-		return nil, err
-	}
-
-	fees := sdk.Coins{sdk.NewCoin(res.Params.EvmDenom, sdk.NewIntFromBigInt(txData.Fee()))}
-	txBuilder.SetFeeAmount(fees)
-	txBuilder.SetGasLimit(gas)
-
-	// doc about generate and transform tx into json, protobuf bytes
-	// https://github.com/cosmos/cosmos-sdk/blob/master/docs/run-node/txs.md
-	txBytes, err := e.clientCtx.TxConfig.TxEncoder()(txBuilder.GetTx())
-	if err != nil {
-		return nil, err
-	}
-
-	// simulate by calling ABCI Query
-	query := abci.RequestQuery{
-		Path:   "/app/simulate",
-		Data:   txBytes,
-		Height: blockNr.Int64(),
-	}
-
-	queryResult, err := e.clientCtx.QueryABCI(query)
-	if err != nil {
-		return nil, err
-	}
-
-	var simResponse sdk.SimulationResponse
-	err = jsonpb.Unmarshal(strings.NewReader(string(queryResult.Value)), &simResponse)
-	if err != nil {
-		return nil, err
-	}
-
-	return &simResponse, nil
+	return res, nil
 }

-// EstimateGas returns an estimate of gas usage for the given smart contract call.
+//EstimateGas returns an estimate of gas usage for the given smart contract call.
 // It adds 1,000 gas to the returned value instead of using the gas adjustment
 // param from the SDK.
-func (e *PublicAPI) EstimateGas(args rpctypes.CallArgs) (hexutil.Uint64, error) {
+func (e *PublicAPI) EstimateGas(args evmtypes.CallArgs) (hexutil.Uint64, error) {
 	e.logger.Debugln("eth_estimateGas")

 	// From ContextWithHeight: if the provided height is 0,
 	// it will return an empty context and the gRPC query will use
 	// the latest block height for querying.
-	simRes, err := e.doCall(args, 0, big.NewInt(ethermint.DefaultRPCGasLimit))
+	data, err := e.doCall(args, 0)
 	if err != nil {
 		return 0, err
 	}

-	data, err := evmtypes.DecodeTxResponse(simRes.Result.Data)
-	if err != nil {
-		e.logger.WithError(err).Warningln("call result decoding failed")
-		return 0, err
-	}
-
 	if data.Reverted {
 		return 0, evmtypes.NewExecErrorWithReason(data.Ret)
 	}
@ -1111,7 +992,7 @@ func (e *PublicAPI) setTxDefaults(args rpctypes.SendTxArgs) (rpctypes.SendTxArgs
 			input = args.Data
 		}

-		callArgs := rpctypes.CallArgs{
+		callArgs := evmtypes.CallArgs{
 			From:       &args.From, // From shouldn't be nil
 			To:         args.To,
 			Gas:        args.Gas,
--- a/ethereum/rpc/types/types.go
+++ b/ethereum/rpc/types/types.go
@ -127,29 +127,6 @@ func (args *SendTxArgs) ToTransaction() *evmtypes.MsgEthereumTx {
 	return tx
 }

-// CallArgs represents the arguments for a call.
-type CallArgs struct {
-	From       *common.Address      `json:"from"`
-	To         *common.Address      `json:"to"`
-	Gas        *hexutil.Uint64      `json:"gas"`
-	GasPrice   *hexutil.Big         `json:"gasPrice"`
-	Value      *hexutil.Big         `json:"value"`
-	Data       *hexutil.Bytes       `json:"data"`
-	AccessList *ethtypes.AccessList `json:"accessList"`
-}
-
-// String return the struct in a string format
-func (args *CallArgs) String() string {
-	// Todo: There is currently a bug with hexutil.Big when the value its nil, printing would trigger an exception
-	return fmt.Sprintf("SendTxArgs{From:%v, To:%v, Gas:%v,"+
-		" Data:%v, AccessList:%v}",
-		args.From,
-		args.To,
-		args.Gas,
-		args.Data,
-		args.AccessList)
-}
-
 // StateOverride is the collection of overridden accounts.
 type StateOverride map[common.Address]OverrideAccount

--- a/go.mod
+++ b/go.mod
@ -51,4 +51,6 @@ require (
 	nhooyr.io/websocket v1.8.7 // indirect
 )

+replace google.golang.org/grpc => google.golang.org/grpc v1.33.2
+
 replace github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
--- a/go.sum
+++ b/go.sum
@ -1,4 +1,3 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
 cloud.google.com/go v0.43.0/go.mod h1:BOSR3VbTLkk6FDC/TcffxP4NF/FFBGA5ku+jvKOP7pg=
@ -186,13 +185,9 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
 github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
 github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cloudflare/cloudflare-go v0.10.2-0.20190916151808-a80f83b9add9/go.mod h1:1MxXX1Ux4x6mqPmjkUgTP1CdXIBXKX7T+Jk9Gxrmx+U=
 github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3hQ7C/YWzIGLeu5c304=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/coinbase/rosetta-sdk-go v0.5.8/go.mod h1:xd4wYUhV3LkY78SPH8BUhc88rXfn2jYgN9BfiSjbcvM=
@ -286,14 +281,7 @@ github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaB
 github.com/elastic/gosigar v0.14.1/go.mod h1:iXRIGg2tLnu7LBdpqzyQfGDEidKCfWcCMS0WKyPWoMs=
 github.com/enigmampc/btcutil v1.0.3-0.20200723161021-e2fb6adb2a25 h1:2vLKys4RBU4pn2T/hjXMbvwTr1Cvy5THHrQkbeY9HRk=
 github.com/enigmampc/btcutil v1.0.3-0.20200723161021-e2fb6adb2a25/go.mod h1:hTr8+TLQmkUkgcuh3mcr5fjrT9c64ZzsBCdCEC6UppY=
-github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4safvEdbitLhGGK48rN6g=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/ethereum/go-ethereum v1.9.23/go.mod h1:JIfVb6esrqALTExdz9hRYvrP0xBDf6wCncIu1hNwHpM=
 github.com/ethereum/go-ethereum v1.9.25/go.mod h1:vMkFiYLHI4tgPw4k2j4MHKoovchFE8plZ0M9VMk4/oM=
@ -375,7 +363,6 @@ github.com/gofrs/uuid v4.0.0+incompatible h1:1SD/1F5pU8p29ybwgQSwpQk+mwdRrXCYuPh
 github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/gateway v1.1.0 h1:u0SuhL9+Il+UbjM9VIE3ntfRujKbvVpFvNB4HbjeVQ0=
 github.com/gogo/gateway v1.1.0/go.mod h1:S7rR8FRQyG3QFESeSv4l2WnsyzlCLG0CzBbUUo/mbic=
-github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/golang/geo v0.0.0-20190916061304-5b978397cfec/go.mod h1:QZ0nwyI2jOfgRAoBvP+ab5aRr7c9x7lhGEJrKvBwjWI=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@ -384,7 +371,6 @@ github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4er
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
 github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
@ -655,7 +641,6 @@ github.com/libp2p/go-buffer-pool v0.0.2/go.mod h1:MvaB6xw5vOrDl8rYZGLFdKAuk/hRoR
 github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
 github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
 github.com/lucasjones/reggen v0.0.0-20180717132126-cdb49ff09d77/go.mod h1:5ELEyG+X8f+meRWHuqUOewBOhvHkl7M76pdGEansxW4=
-github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.5 h1:b6kJs+EmPFMYGkow9GiUyCyOvIwYetYJ3fSaWak/Gls=
@ -1053,7 +1038,6 @@ go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
-go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@ -1113,7 +1097,6 @@ golang.org/x/exp v0.0.0-20200331195152-e8c3332aa8e5/go.mod h1:4M0jN8W1tt0AVLNr8H
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
@ -1140,7 +1123,6 @@ golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@ -1220,7 +1202,6 @@ golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cO
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180926160741-c2ed4eda69e7/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@ -1322,9 +1303,7 @@ golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiTs/Igowgfkj25AcZrtiE=
 golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190206041539-40960b6deb8e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
@ -1418,7 +1397,6 @@ google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjR
 google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
 google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
 google.golang.org/api v0.44.0/go.mod h1:EBOGZqzyhtvMDoxwS97ctnh0zUmYY6CxqXsc1AvkYD8=
-google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@ -1478,36 +1456,8 @@ google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaE
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/genproto v0.0.0-20210707164411-8c882eb9abba h1:7ajVqfUjhvVuXCb+sdXdKsOD53caRpfMofvihWF1314=
 google.golang.org/genproto v0.0.0-20210707164411-8c882eb9abba/go.mod h1:AxrInvYm1dci+enl5hChSFPOmmUF1+uAa/UsgNRWd7k=
-google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
-google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.32.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+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 v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
-google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.39.0 h1:Klz8I9kdtkIN6EpHHUOMLCYhTn/2WAe5a0s1hcBkdTI=
-google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.1/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@ -1571,7 +1521,6 @@ gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
-honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/proto/ethermint/evm/v1alpha1/query.proto
+++ b/proto/ethermint/evm/v1alpha1/query.proto
@ -5,6 +5,7 @@ import "gogoproto/gogo.proto";
 import "cosmos/base/query/v1beta1/pagination.proto";
 import "google/api/annotations.proto";
 import "ethermint/evm/v1alpha1/evm.proto";
+import "ethermint/evm/v1alpha1/tx.proto";

 option go_package = "github.com/tharsis/ethermint/x/evm/types";

@ -70,6 +71,11 @@ service Query {
  rpc StaticCall(QueryStaticCallRequest) returns (QueryStaticCallResponse) {
    option (google.api.http).get = "/ethermint/evm/v1alpha1/static_call";
  }
+
+  // EthCall implements the `eth_call` rpc api
+  rpc EthCall(EthCallRequest) returns (MsgEthereumTxResponse) {
+    option (google.api.http).get = "/ethermint/evm/v1alpha1/eth_call";
+  }
 }

 // QueryAccountRequest is the request type for the Query/Account RPC method.
@ -250,7 +256,13 @@ message QueryStaticCallRequest {
  bytes input = 2;
 }

-// // QueryStaticCallRequest defines static call response
+// QueryStaticCallRequest defines static call response
 message QueryStaticCallResponse {
  bytes data = 1;
 }
+
+// EthCallRequest defines EthCall request
+message EthCallRequest {
+  // same json format as the json rpc api.
+  bytes args = 1;
+}
--- a/x/evm/keeper/grpc_query.go
+++ b/x/evm/keeper/grpc_query.go
@ -2,6 +2,7 @@ package keeper

 import (
 	"context"
+	"encoding/json"

 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
@ -364,3 +365,34 @@ func (k Keeper) StaticCall(c context.Context, req *types.QueryStaticCallRequest)

 	return nil, nil
 }
+
+// EthCall implements eth_call rpc api.
+func (k Keeper) EthCall(c context.Context, req *types.EthCallRequest) (*types.MsgEthereumTxResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	k.WithContext(ctx)
+
+	var args types.CallArgs
+	err := json.Unmarshal(req.Args, &args)
+	if err != nil {
+		return nil, status.Error(codes.InvalidArgument, err.Error())
+	}
+
+	msg := args.ToMessage(uint64(ethermint.DefaultRPCGasLimit))
+
+	cfg, found := k.GetChainConfig(ctx)
+	if !found {
+		return nil, status.Error(codes.Internal, types.ErrChainConfigNotFound.Error())
+	}
+	ethCfg := cfg.EthereumConfig(k.eip155ChainID)
+	evm := k.NewEVM(msg, ethCfg)
+	res, err := k.ApplyMessage(evm, msg, ethCfg)
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	// ApplyMessage don't handle gas refund, let's do it here
+	refund := k.GasToRefund(res.GasUsed)
+	res.GasUsed -= refund
+
+	return res, nil
+}
--- a/x/evm/keeper/state_transition.go
+++ b/x/evm/keeper/state_transition.go
@ -258,6 +258,17 @@ func (k *Keeper) GetEthIntrinsicGas(msg core.Message, cfg *params.ChainConfig, i
 	return core.IntrinsicGas(msg.Data(), msg.AccessList(), isContractCreation, homestead, istanbul)
 }

+// GasToRefund calculate the amount of gas should refund to sender
+func (k *Keeper) GasToRefund(gasConsumed uint64) uint64 {
+	// Apply refund counter, capped to half of the used gas.
+	refund := gasConsumed / 2
+	availableRefund := k.GetRefund()
+	if refund > availableRefund {
+		return availableRefund
+	}
+	return refund
+}
+
 // RefundGas transfers the leftover gas to the sender of the message, caped to half of the total gas
 // consumed in the transaction. Additionally, the function sets the total gas consumed to the value
 // returned by the EVM execution, thus ignoring the previous intrinsic gas consumed during in the
@ -271,13 +282,7 @@ func (k *Keeper) RefundGas(msg core.Message, leftoverGas uint64) (uint64, error)
 	}

 	gasConsumed := msg.Gas() - leftoverGas
-
-	// Apply refund counter, capped to half of the used gas.
-	refund := gasConsumed / 2
-	availableRefund := k.GetRefund()
-	if refund > availableRefund {
-		refund = availableRefund
-	}
+	refund := k.GasToRefund(gasConsumed)

 	leftoverGas += refund

--- a/x/evm/types/callargs.go
+++ b/x/evm/types/callargs.go
@ -0,0 +1,77 @@
+package types
+
+import (
+	"fmt"
+	"math"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	ethtypes "github.com/ethereum/go-ethereum/core/types"
+)
+
+// copied from: https://github.com/ethereum/go-ethereum/blob/v1.10.3/internal/ethapi/api.go#L754
+
+// CallArgs represents the arguments for a call.
+type CallArgs struct {
+	From       *common.Address      `json:"from"`
+	To         *common.Address      `json:"to"`
+	Gas        *hexutil.Uint64      `json:"gas"`
+	GasPrice   *hexutil.Big         `json:"gasPrice"`
+	Value      *hexutil.Big         `json:"value"`
+	Data       *hexutil.Bytes       `json:"data"`
+	AccessList *ethtypes.AccessList `json:"accessList"`
+}
+
+// ToMessage converts CallArgs to the Message type used by the core evm
+func (args *CallArgs) ToMessage(globalGasCap uint64) ethtypes.Message {
+	// Set sender address or use zero address if none specified.
+	var addr common.Address
+	if args.From != nil {
+		addr = *args.From
+	}
+
+	// Set default gas & gas price if none were set
+	gas := globalGasCap
+	if gas == 0 {
+		gas = uint64(math.MaxUint64 / 2)
+	}
+	if args.Gas != nil {
+		gas = uint64(*args.Gas)
+	}
+	if globalGasCap != 0 && globalGasCap < gas {
+		// log.Warn("Caller gas above allowance, capping", "requested", gas, "cap", globalGasCap)
+		gas = globalGasCap
+	}
+	gasPrice := new(big.Int)
+	if args.GasPrice != nil {
+		gasPrice = args.GasPrice.ToInt()
+	}
+	value := new(big.Int)
+	if args.Value != nil {
+		value = args.Value.ToInt()
+	}
+	var data []byte
+	if args.Data != nil {
+		data = *args.Data
+	}
+	var accessList ethtypes.AccessList
+	if args.AccessList != nil {
+		accessList = *args.AccessList
+	}
+
+	msg := ethtypes.NewMessage(addr, args.To, 0, value, gas, gasPrice, data, accessList, false)
+	return msg
+}
+
+// String return the struct in a string format
+func (args *CallArgs) String() string {
+	// Todo: There is currently a bug with hexutil.Big when the value its nil, printing would trigger an exception
+	return fmt.Sprintf("CallArgs{From:%v, To:%v, Gas:%v,"+
+		" Data:%v, AccessList:%v}",
+		args.From,
+		args.To,
+		args.Gas,
+		args.Data,
+		args.AccessList)
+}
--- a/x/evm/types/query.pb.go
+++ b/x/evm/types/query.pb.go
@ -1085,7 +1085,7 @@ func (m *QueryStaticCallRequest) GetInput() []byte {
 	return nil
 }

-// // QueryStaticCallRequest defines static call response
+// QueryStaticCallRequest defines static call response
 type QueryStaticCallResponse struct {
 	Data []byte `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
 }
@ -1130,6 +1130,52 @@ func (m *QueryStaticCallResponse) GetData() []byte {
 	return nil
 }

+// EthCallRequest defines EthCall request
+type EthCallRequest struct {
+	// same json format as the json rpc api.
+	Args []byte `protobuf:"bytes,1,opt,name=args,proto3" json:"args,omitempty"`
+}
+
+func (m *EthCallRequest) Reset()         { *m = EthCallRequest{} }
+func (m *EthCallRequest) String() string { return proto.CompactTextString(m) }
+func (*EthCallRequest) ProtoMessage()    {}
+func (*EthCallRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_8bbc79ec2b6c5cb2, []int{24}
+}
+func (m *EthCallRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *EthCallRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_EthCallRequest.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *EthCallRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EthCallRequest.Merge(m, src)
+}
+func (m *EthCallRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *EthCallRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_EthCallRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_EthCallRequest proto.InternalMessageInfo
+
+func (m *EthCallRequest) GetArgs() []byte {
+	if m != nil {
+		return m.Args
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterType((*QueryAccountRequest)(nil), "ethermint.evm.v1alpha1.QueryAccountRequest")
 	proto.RegisterType((*QueryAccountResponse)(nil), "ethermint.evm.v1alpha1.QueryAccountResponse")
@ -1155,6 +1201,7 @@ func init() {
 	proto.RegisterType((*QueryChainConfigResponse)(nil), "ethermint.evm.v1alpha1.QueryChainConfigResponse")
 	proto.RegisterType((*QueryStaticCallRequest)(nil), "ethermint.evm.v1alpha1.QueryStaticCallRequest")
 	proto.RegisterType((*QueryStaticCallResponse)(nil), "ethermint.evm.v1alpha1.QueryStaticCallResponse")
+	proto.RegisterType((*EthCallRequest)(nil), "ethermint.evm.v1alpha1.EthCallRequest")
 }

 func init() {
@ -1162,82 +1209,85 @@ func init() {
 }

 var fileDescriptor_8bbc79ec2b6c5cb2 = []byte{
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+	0x3b, 0xc9, 0x6b, 0x7f, 0x9d, 0xe4, 0xb5, 0x6f, 0x4e, 0xf3, 0xa9, 0x67, 0xa7, 0xf9, 0xd4, 0x1f,
+	0xa7, 0xf9, 0xd4, 0xc7, 0x05, 0xa7, 0xe1, 0xd7, 0x3b, 0x55, 0xc3, 0xa2, 0x2d, 0xd3, 0xaf, 0x13,
+	0x8f, 0x35, 0x58, 0x28, 0xda, 0x81, 0x88, 0xe7, 0x1f, 0xb6, 0x6d, 0x56, 0xcd, 0x88, 0xff, 0xd6,
+	0xaf, 0xfe, 0x1b, 0x00, 0x00, 0xff, 0xff, 0x31, 0x90, 0x2b, 0x28, 0x3c, 0x10, 0x00, 0x00,
 }

 // Reference imports to suppress errors if they are not otherwise used.
@ -1277,6 +1327,8 @@ type QueryClient interface {
 	ChainConfig(ctx context.Context, in *QueryChainConfigRequest, opts ...grpc.CallOption) (*QueryChainConfigResponse, error)
 	// StaticCall queries the static call value of x/evm module.
 	StaticCall(ctx context.Context, in *QueryStaticCallRequest, opts ...grpc.CallOption) (*QueryStaticCallResponse, error)
+	// EthCall implements the `eth_call` rpc api
+	EthCall(ctx context.Context, in *EthCallRequest, opts ...grpc.CallOption) (*MsgEthereumTxResponse, error)
 }

 type queryClient struct {
@ -1395,6 +1447,15 @@ func (c *queryClient) StaticCall(ctx context.Context, in *QueryStaticCallRequest
 	return out, nil
 }

+func (c *queryClient) EthCall(ctx context.Context, in *EthCallRequest, opts ...grpc.CallOption) (*MsgEthereumTxResponse, error) {
+	out := new(MsgEthereumTxResponse)
+	err := c.cc.Invoke(ctx, "/ethermint.evm.v1alpha1.Query/EthCall", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // QueryServer is the server API for Query service.
 type QueryServer interface {
 	// Account queries an Ethereum account.
@ -1422,6 +1483,8 @@ type QueryServer interface {
 	ChainConfig(context.Context, *QueryChainConfigRequest) (*QueryChainConfigResponse, error)
 	// StaticCall queries the static call value of x/evm module.
 	StaticCall(context.Context, *QueryStaticCallRequest) (*QueryStaticCallResponse, error)
+	// EthCall implements the `eth_call` rpc api
+	EthCall(context.Context, *EthCallRequest) (*MsgEthereumTxResponse, error)
 }

 // UnimplementedQueryServer can be embedded to have forward compatible implementations.
@ -1464,6 +1527,9 @@ func (*UnimplementedQueryServer) ChainConfig(ctx context.Context, req *QueryChai
 func (*UnimplementedQueryServer) StaticCall(ctx context.Context, req *QueryStaticCallRequest) (*QueryStaticCallResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StaticCall not implemented")
 }
+func (*UnimplementedQueryServer) EthCall(ctx context.Context, req *EthCallRequest) (*MsgEthereumTxResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method EthCall not implemented")
+}

 func RegisterQueryServer(s grpc1.Server, srv QueryServer) {
 	s.RegisterService(&_Query_serviceDesc, srv)
@ -1685,6 +1751,24 @@ func _Query_StaticCall_Handler(srv interface{}, ctx context.Context, dec func(in
 	return interceptor(ctx, in, info, handler)
 }

+func _Query_EthCall_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(EthCallRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(QueryServer).EthCall(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/ethermint.evm.v1alpha1.Query/EthCall",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(QueryServer).EthCall(ctx, req.(*EthCallRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Query_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "ethermint.evm.v1alpha1.Query",
 	HandlerType: (*QueryServer)(nil),
@ -1737,6 +1821,10 @@ var _Query_serviceDesc = grpc.ServiceDesc{
 			MethodName: "StaticCall",
 			Handler:    _Query_StaticCall_Handler,
 		},
+		{
+			MethodName: "EthCall",
+			Handler:    _Query_EthCall_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "ethermint/evm/v1alpha1/query.proto",
@ -2531,6 +2619,36 @@ func (m *QueryStaticCallResponse) MarshalToSizedBuffer(dAtA []byte) (int, error)
 	return len(dAtA) - i, nil
 }

+func (m *EthCallRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *EthCallRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *EthCallRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Args) > 0 {
+		i -= len(m.Args)
+		copy(dAtA[i:], m.Args)
+		i = encodeVarintQuery(dAtA, i, uint64(len(m.Args)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintQuery(dAtA []byte, offset int, v uint64) int {
 	offset -= sovQuery(v)
 	base := offset
@ -2877,6 +2995,19 @@ func (m *QueryStaticCallResponse) Size() (n int) {
 	return n
 }

+func (m *EthCallRequest) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Args)
+	if l > 0 {
+		n += 1 + l + sovQuery(uint64(l))
+	}
+	return n
+}
+
 func sovQuery(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@ -5032,6 +5163,90 @@ func (m *QueryStaticCallResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *EthCallRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: EthCallRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: EthCallRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Args", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthQuery
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Args = append(m.Args[:0], dAtA[iNdEx:postIndex]...)
+			if m.Args == nil {
+				m.Args = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipQuery(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipQuery(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
--- a/x/evm/types/query.pb.gw.go
+++ b/x/evm/types/query.pb.gw.go
@ -593,6 +593,42 @@ func local_request_Query_StaticCall_0(ctx context.Context, marshaler runtime.Mar

 }

+var (
+	filter_Query_EthCall_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
+func request_Query_EthCall_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq EthCallRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_EthCall_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.EthCall(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_EthCall_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq EthCallRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_EthCall_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.EthCall(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 // RegisterQueryHandlerServer registers the http handlers for service Query to "mux".
 // UnaryRPC     :call QueryServer directly.
 // StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
@ -839,6 +875,26 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv

 	})

+	mux.Handle("GET", pattern_Query_EthCall_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Query_EthCall_0(rctx, inboundMarshaler, server, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_EthCall_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }

@ -1120,6 +1176,26 @@ func RegisterQueryHandlerClient(ctx context.Context, mux *runtime.ServeMux, clie

 	})

+	mux.Handle("GET", pattern_Query_EthCall_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Query_EthCall_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_EthCall_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }

@ -1147,6 +1223,8 @@ var (
 	pattern_Query_ChainConfig_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"ethermint", "evm", "v1alpha1", "chain_config"}, "", runtime.AssumeColonVerbOpt(true)))

 	pattern_Query_StaticCall_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"ethermint", "evm", "v1alpha1", "static_call"}, "", runtime.AssumeColonVerbOpt(true)))
+
+	pattern_Query_EthCall_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"ethermint", "evm", "v1alpha1", "eth_call"}, "", runtime.AssumeColonVerbOpt(true)))
 )

 var (
@ -1173,4 +1251,6 @@ var (
 	forward_Query_ChainConfig_0 = runtime.ForwardResponseMessage

 	forward_Query_StaticCall_0 = runtime.ForwardResponseMessage
+
+	forward_Query_EthCall_0 = runtime.ForwardResponseMessage
 )