refactor: eth_call and eth_estimateGas don't need to pass base fee as field (#671)

Solution:
- load fee directly from state

changelog

CHANGELOG.md

@@ -59,7 +59,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Improvements
 
-(rpc) [tharsis#679](https://github.com/tharsis/ethermint/pull/679) Fix file close handle.
+- (rpc) [tharsis#679](https://github.com/tharsis/ethermint/pull/679) Fix file close handle.
+- (rpc) [tharsis#671](https://github.com/tharsis/ethermint/pull/671) Don't pass base fee externally for `EthCall`/`EthEstimateGas` apis.
 
 ## [v0.7.0] - 2021-10-07
 

docs/api/proto-docs.md

@@ -547,7 +547,6 @@ EthCallRequest defines EthCall request
 | ----- | ---- | ----- | ----------- |
 | `args` | [bytes](#bytes) |  | same json format as the json rpc api. |
 | `gas_cap` | [uint64](#uint64) |  | the default gas cap to be used |
-| `base_fee` | [string](#string) |  | header base fee used to generate the transaction |
 
 
 

proto/ethermint/evm/v1/query.proto

@@ -212,9 +212,6 @@ message EthCallRequest {
   bytes args = 1;
   // the default gas cap to be used
   uint64 gas_cap = 2;
-  // header base fee used to generate the transaction
-  string base_fee = 3
-      [ (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Int" ];
 }
 
 // EstimateGasResponse defines EstimateGas response

rpc/ethereum/backend/backend.go

@@ -712,41 +712,15 @@ func (e *EVMBackend) EstimateGas(args evmtypes.TransactionArgs, blockNrOptional
 		return 0, err
 	}
 
-	height := blockNr.Int64()
-	currentBlockNumber, _ := e.BlockNumber()
-	switch blockNr {
-	case types.EthLatestBlockNumber:
-		if currentBlockNumber > 0 {
-			height = int64(currentBlockNumber)
-		}
-	case types.EthPendingBlockNumber:
-		if currentBlockNumber > 0 {
-			height = int64(currentBlockNumber)
-		}
-	case types.EthEarliestBlockNumber:
-		height = 1
-	}
-	baseFee, err := e.BaseFee(height)
-	if err != nil {
-		return 0, err
-	}
-
-	var bf *sdk.Int
-	if baseFee != nil {
-		aux := sdk.NewIntFromBigInt(baseFee)
-		bf = &aux
-	}
-
 	req := evmtypes.EthCallRequest{
 		Args:   bz,
 		GasCap: e.RPCGasCap(),
-		BaseFee: bf,
 	}
 
 	// 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.
-	res, err := e.queryClient.EstimateGas(types.ContextWithHeight(height), &req)
+	res, err := e.queryClient.EstimateGas(types.ContextWithHeight(blockNr.Int64()), &req)
 	if err != nil {
 		return 0, err
 	}

rpc/ethereum/namespaces/eth/api.go

@@ -622,35 +622,9 @@ func (e *PublicAPI) doCall(
 		return nil, err
 	}
 
-	currentBlockNumber, _ := e.BlockNumber()
-	height := blockNr.Int64()
-	switch blockNr {
-	case rpctypes.EthLatestBlockNumber:
-		if currentBlockNumber > 0 {
-			height = int64(currentBlockNumber)
-		}
-	case rpctypes.EthPendingBlockNumber:
-		if currentBlockNumber > 0 {
-			height = int64(currentBlockNumber)
-		}
-	case rpctypes.EthEarliestBlockNumber:
-		height = 1
-	}
-	baseFee, err := e.backend.BaseFee(height)
-	if err != nil {
-		return nil, err
-	}
-
-	var bf *sdk.Int
-	if baseFee != nil {
-		aux := sdk.NewIntFromBigInt(baseFee)
-		bf = &aux
-	}
-
 	req := evmtypes.EthCallRequest{
 		Args:   bz,
 		GasCap: e.backend.RPCGasCap(),
-		BaseFee: bf,
 	}
 
 	// From ContextWithHeight: if the provided height is 0,

x/evm/keeper/grpc_query.go

@@ -221,31 +221,24 @@ func (k Keeper) EthCall(c context.Context, req *types.EthCallRequest) (*types.Ms
 		return nil, status.Error(codes.InvalidArgument, err.Error())
 	}
 
-	if req.BaseFee != nil && req.BaseFee.IsNegative() {
+	params := k.GetParams(ctx)
-		return nil, status.Errorf(codes.InvalidArgument, "base fee cannot be negative %s", req.BaseFee)
+	ethCfg := params.ChainConfig.EthereumConfig(k.eip155ChainID)
+
+	var baseFee *big.Int
+	if types.IsLondon(ethCfg, ctx.BlockHeight()) {
+		baseFee = k.feeMarketKeeper.GetBaseFee(ctx)
 	}
 
-	msg, err := args.ToMessage(req.GasCap, req.GetBaseFee())
+	msg, err := args.ToMessage(req.GasCap, baseFee)
 	if err != nil {
 		return nil, status.Error(codes.InvalidArgument, err.Error())
 	}
 
-	params := k.GetParams(ctx)
-	feemktParams := k.feeMarketKeeper.GetParams(ctx)
-	ethCfg := params.ChainConfig.EthereumConfig(k.eip155ChainID)
-
 	coinbase, err := k.GetCoinbaseAddress(ctx)
 	if err != nil {
 		return nil, status.Error(codes.Internal, err.Error())
 	}
 
-	var baseFee *big.Int
-
-	// ignore base fee if not enabled by fee market params
-	if !feemktParams.NoBaseFee {
-		baseFee = k.feeMarketKeeper.GetBaseFee(ctx)
-	}
-
 	tracer := types.NewTracer(k.tracer, msg, ethCfg, ctx.BlockHeight(), k.debug)
 
 	evm := k.NewEVM(msg, ethCfg, params, coinbase, baseFee, tracer)
@@ -273,10 +266,6 @@ func (k Keeper) EstimateGas(c context.Context, req *types.EthCallRequest) (*type
 		return nil, status.Error(codes.InvalidArgument, "gas cap cannot be lower than 21,000")
 	}
 
-	if req.BaseFee != nil && req.BaseFee.IsNegative() {
-		return nil, status.Errorf(codes.InvalidArgument, "base fee cannot be negative %s", req.BaseFee)
-	}
-
 	var args types.TransactionArgs
 	err := json.Unmarshal(req.Args, &args)
 	if err != nil {
@@ -319,7 +308,10 @@ func (k Keeper) EstimateGas(c context.Context, req *types.EthCallRequest) (*type
 		return nil, status.Error(codes.Internal, err.Error())
 	}
 
-	baseFee := req.GetBaseFee()
+	var baseFee *big.Int
+	if types.IsLondon(ethCfg, ctx.BlockHeight()) {
+		baseFee = k.feeMarketKeeper.GetBaseFee(ctx)
+	}
 
 	// Create a helper to check if a gas allowance results in an executable transaction
 	executable := func(gas uint64) (vmerror bool, rsp *types.MsgEthereumTxResponse, err error) {

x/evm/types/query.go

@@ -1,19 +1,9 @@
 package types
 
 import (
-	"math/big"
-
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 )
 
-func (cr EthCallRequest) GetBaseFee() *big.Int {
-	if cr.BaseFee == nil {
-		return nil
-	}
-
-	return cr.BaseFee.BigInt()
-}
-
 // UnpackInterfaces implements UnpackInterfacesMesssage.UnpackInterfaces
 func (m QueryTraceTxRequest) UnpackInterfaces(unpacker codectypes.AnyUnpacker) error {
 	return m.Msg.UnpackInterfaces(unpacker)

x/evm/types/query.pb.go

@@ -6,7 +6,6 @@ package types
 import (
 	context "context"
 	fmt "fmt"
-	github_com_cosmos_cosmos_sdk_types "github.com/cosmos/cosmos-sdk/types"
 	query "github.com/cosmos/cosmos-sdk/types/query"
 	_ "github.com/gogo/protobuf/gogoproto"
 	grpc1 "github.com/gogo/protobuf/grpc"
@@ -788,8 +787,6 @@ type EthCallRequest struct {
 	Args []byte `protobuf:"bytes,1,opt,name=args,proto3" json:"args,omitempty"`
 	// the default gas cap to be used
 	GasCap uint64 `protobuf:"varint,2,opt,name=gas_cap,json=gasCap,proto3" json:"gas_cap,omitempty"`
-	// header base fee used to generate the transaction
-	BaseFee *github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,3,opt,name=base_fee,json=baseFee,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"base_fee,omitempty"`
 }
 
 func (m *EthCallRequest) Reset()         { *m = EthCallRequest{} }
@@ -1021,80 +1018,78 @@ func init() {
 func init() { proto.RegisterFile("ethermint/evm/v1/query.proto", fileDescriptor_e15a877459347994) }
 
 var fileDescriptor_e15a877459347994 = []byte{
-	// 1167 bytes of a gzipped FileDescriptorProto
+	// 1123 bytes of a gzipped FileDescriptorProto
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-	0xb9, 0xd4, 0x7f, 0x50, 0xf3, 0x64, 0x66, 0xd9, 0xc2, 0x95, 0x78, 0x58, 0xc9, 0xe2, 0x40, 0x1a,
+	0x52, 0x6d, 0xc4, 0xe3, 0x62, 0x6e, 0x8c, 0x0b, 0x53, 0xc2, 0xd6, 0xee, 0x77, 0xbf, 0xff, 0xfd,
-	0x15, 0xb3, 0xbc, 0xb7, 0xb1, 0xb6, 0xf5, 0x37, 0xd5, 0xa5, 0xd9, 0x6b, 0xf8, 0x0a, 0xe6, 0x38,
+	0xf3, 0xc4, 0x3a, 0x5a, 0x73, 0x12, 0xef, 0x97, 0xf6, 0x1f, 0xe7, 0x91, 0xfe, 0xd8, 0x4e, 0xd1,
-	0x2c, 0xae, 0x58, 0x17, 0xfe, 0x02, 0x98, 0x90, 0xc6, 0xe8, 0x5b, 0x03, 0x32, 0x5a, 0xc3, 0xd0,
+	0x2f, 0x06, 0xcc, 0xc5, 0x2c, 0x1e, 0xed, 0xa6, 0xc8, 0x8c, 0x7a, 0x4a, 0xcc, 0xbd, 0x8b, 0x05,
-	0x5a, 0x1c, 0x6d, 0xc8, 0x90, 0x32, 0xd7, 0x47, 0x99, 0x29, 0x60, 0x6b, 0xe7, 0xeb, 0x5f, 0xff,
+	0x6b, 0xb2, 0x92, 0x24, 0xdb, 0x43, 0x3b, 0x49, 0xb2, 0xf0, 0x35, 0x49, 0x00, 0xfe, 0x66, 0xc0,
-	0xfc, 0x71, 0x6c, 0x0d, 0xad, 0x3a, 0xb1, 0x39, 0xa8, 0x75, 0xcc, 0x79, 0xac, 0x3f, 0xda, 0x53,
+	0xfc, 0xb0, 0x5b, 0x23, 0x3b, 0x45, 0x36, 0xe5, 0x91, 0x30, 0x9d, 0x0b, 0xc7, 0x6b, 0xd2, 0x9b,
-	0xf4, 0x93, 0x01, 0xb3, 0x7d, 0xa3, 0x02, 0xed, 0x24, 0xc0, 0x0c, 0x1b, 0x49, 0xe6, 0xee, 0xc5,
+	0x92, 0xf4, 0x5d, 0x54, 0x4a, 0x92, 0x76, 0xc3, 0x35, 0x03, 0xd8, 0xe8, 0x03, 0x74, 0x8a, 0x1e,
-	0x8c, 0x35, 0xb3, 0x82, 0x64, 0xb6, 0x8b, 0xb6, 0xe3, 0xcc, 0xc2, 0xa9, 0x14, 0x23, 0xf8, 0x8b,
+	0x1b, 0x90, 0xd3, 0xbe, 0x9c, 0x7a, 0xb5, 0x71, 0xcb, 0x4f, 0xbd, 0xda, 0x21, 0x7b, 0xb7, 0xf6,
-	0x01, 0x73, 0x83, 0xaa, 0x8f, 0xec, 0x04, 0xd8, 0x84, 0x61, 0x63, 0x3a, 0x17, 0xb6, 0xd7, 0x4c,
+	0x24, 0xd6, 0x06, 0xba, 0x9e, 0xc4, 0xd2, 0x3e, 0xcf, 0x22, 0x47, 0xf7, 0xc4, 0x80, 0x9c, 0x76,
-	0x6f, 0x48, 0xa6, 0xef, 0xa1, 0x42, 0x9c, 0x69, 0x3b, 0xf4, 0xe9, 0x91, 0x8d, 0x0e, 0xb2, 0x53,
+	0xe8, 0x54, 0x90, 0xf8, 0x73, 0x90, 0x0a, 0x32, 0x64, 0xf4, 0x56, 0x51, 0x82, 0xec, 0xa2, 0xed,
-	0xf4, 0xc4, 0x80, 0x8c, 0xd6, 0xf7, 0xc4, 0xa7, 0xed, 0x1f, 0x1d, 0x89, 0x4f, 0x3b, 0x30, 0x26,
+	0x24, 0x08, 0x53, 0xa1, 0x03, 0x0e, 0xe7, 0xd1, 0x7d, 0x72, 0x72, 0x8a, 0x1e, 0x42, 0x56, 0x18,
-	0xac, 0x5d, 0x49, 0x6b, 0x1d, 0x5d, 0x8b, 0xd3, 0xd2, 0xf3, 0x82, 0x45, 0x4a, 0xf7, 0xd4, 0x80,
+	0x39, 0xb2, 0x52, 0x4b, 0xa6, 0xff, 0x3a, 0x98, 0x6b, 0x2f, 0x8c, 0xd1, 0x0c, 0xdb, 0x92, 0x61,
-	0x8c, 0x56, 0xfa, 0x44, 0x22, 0xfd, 0x63, 0x25, 0x91, 0xc8, 0xc0, 0xc0, 0xb0, 0xf2, 0x92, 0xc8,
+	0x0d, 0x5d, 0x1b, 0x55, 0x4d, 0xb5, 0xd8, 0x49, 0x7c, 0x0d, 0xd3, 0xca, 0xcb, 0xd0, 0xf5, 0x94,
-	0x0e, 0xda, 0x8a, 0x13, 0x61, 0xca, 0xb4, 0xc7, 0xc3, 0x79, 0x7c, 0x4c, 0x4e, 0x4e, 0xd1, 0x23,
+	0xcc, 0x31, 0xcb, 0x34, 0xd7, 0xc7, 0x44, 0x69, 0x82, 0x55, 0x49, 0x60, 0xa2, 0xc5, 0x24, 0x81,
-	0x48, 0x8b, 0x81, 0x80, 0xac, 0xc4, 0x96, 0xe9, 0x4e, 0x19, 0x73, 0xf5, 0x95, 0x36, 0x9a, 0xc3,
+	0x32, 0x4b, 0xd4, 0x83, 0x9c, 0x36, 0x4b, 0xb4, 0x9a, 0xcc, 0x19, 0xf7, 0x51, 0x73, 0x73, 0x9c,
-	0x96, 0xe4, 0xb0, 0x8a, 0xae, 0x0e, 0xeb, 0xa6, 0x4a, 0x5f, 0x25, 0xbe, 0x80, 0x49, 0xa5, 0x89,
+	0x99, 0x85, 0xba, 0x96, 0xd4, 0x5d, 0x46, 0x66, 0x52, 0x97, 0xf0, 0x7a, 0xc5, 0x15, 0x72, 0xdf,
-	0xe8, 0x5a, 0x42, 0xe4, 0x3e, 0xe9, 0x35, 0xd7, 0x46, 0x58, 0x69, 0x06, 0x2b, 0x92, 0x81, 0x89,
+	0x42, 0x3e, 0xe2, 0xb3, 0x17, 0x50, 0x1f, 0xb1, 0xe7, 0x11, 0x46, 0x6d, 0x6d, 0x48, 0xed, 0x55,
-	0x16, 0xe2, 0x0c, 0x94, 0xe8, 0xa2, 0x0e, 0x64, 0xb4, 0xe6, 0xa2, 0x95, 0x78, 0xcc, 0x7e, 0x39,
+	0x54, 0x18, 0xa1, 0xad, 0xc3, 0x2b, 0x1e, 0x66, 0xe8, 0x1b, 0xc8, 0x69, 0x47, 0x4c, 0xad, 0xbd,
-	0x36, 0x37, 0x46, 0x89, 0x59, 0x88, 0x6b, 0x49, 0xdc, 0x25, 0x64, 0xc6, 0x71, 0x09, 0xaf, 0x96,
+	0xb8, 0xb1, 0xa7, 0xd6, 0xde, 0x90, 0xb1, 0xbe, 0x68, 0xf7, 0xca, 0xca, 0x79, 0xef, 0xe0, 0xe0,
-	0x5c, 0x01, 0xf7, 0x15, 0x64, 0x23, 0x3a, 0x7b, 0x01, 0xf4, 0x21, 0x39, 0x0f, 0x11, 0x6a, 0x6b,
+	0xd9, 0x59, 0xc1, 0x78, 0x7e, 0x56, 0x30, 0xfe, 0x3a, 0x2b, 0x18, 0x3f, 0x9d, 0x17, 0x32, 0xcf,
-	0x5d, 0x62, 0xaf, 0xa0, 0xdc, 0x10, 0x6c, 0x6d, 0x5e, 0xf2, 0x30, 0x43, 0x5f, 0x42, 0x46, 0x2b,
+	0xcf, 0x0b, 0x99, 0x3f, 0xce, 0x0b, 0x99, 0x2f, 0xb7, 0xbc, 0x06, 0xaf, 0x77, 0xaa, 0xb6, 0x4b,
-	0x62, 0x62, 0xef, 0xf5, 0x0b, 0x7b, 0x62, 0xef, 0x0d, 0x08, 0xeb, 0xab, 0xb2, 0x57, 0x52, 0xce,
+	0x5b, 0x0e, 0xaf, 0xe3, 0x80, 0x35, 0x58, 0x24, 0x4f, 0x4f, 0x66, 0xe2, 0x27, 0x6d, 0xc2, 0xaa,
-	0x3b, 0xfb, 0xfb, 0xcf, 0xcf, 0x72, 0xc6, 0x8b, 0xb3, 0x9c, 0xf1, 0xc7, 0x59, 0xce, 0xf8, 0xe1,
+	0xd3, 0xf2, 0x57, 0xff, 0x9d, 0xff, 0x02, 0x00, 0x00, 0xff, 0xff, 0x55, 0x07, 0x68, 0x0c, 0xb3,
-	0x3c, 0x97, 0x7a, 0x71, 0x9e, 0x4b, 0xfd, 0x76, 0x9e, 0x4b, 0x7d, 0xbe, 0x19, 0x19, 0x58, 0xbc,
+	0x0c, 0x00, 0x00,
-	0x8a, 0x03, 0x56, 0x63, 0x91, 0x38, 0x1d, 0x19, 0x49, 0x8e, 0xad, 0xf2, 0xa4, 0xfc, 0xcb, 0xf0,
-	0xee, 0x3f, 0x01, 0x00, 0x00, 0xff, 0xff, 0x73, 0x5e, 0xad, 0xda, 0xfb, 0x0c, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -2091,18 +2086,6 @@ func (m *EthCallRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if m.BaseFee != nil {
-		{
-			size := m.BaseFee.Size()
-			i -= size
-			if _, err := m.BaseFee.MarshalTo(dAtA[i:]); err != nil {
-				return 0, err
-			}
-			i = encodeVarintQuery(dAtA, i, uint64(size))
-		}
-		i--
-		dAtA[i] = 0x1a
-	}
 	if m.GasCap != 0 {
 		i = encodeVarintQuery(dAtA, i, uint64(m.GasCap))
 		i--
@@ -2487,10 +2470,6 @@ func (m *EthCallRequest) Size() (n int) {
 	if m.GasCap != 0 {
 		n += 1 + sovQuery(uint64(m.GasCap))
 	}
-	if m.BaseFee != nil {
-		l = m.BaseFee.Size()
-		n += 1 + l + sovQuery(uint64(l))
-	}
 	return n
 }
 
@@ -4143,42 +4122,6 @@ func (m *EthCallRequest) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
-		case 3:
-			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field BaseFee", wireType)
-			}
-			var stringLen uint64
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowQuery
-				}
-				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 ErrInvalidLengthQuery
-			}
-			postIndex := iNdEx + intStringLen
-			if postIndex < 0 {
-				return ErrInvalidLengthQuery
-			}
-			if postIndex > l {
-				return io.ErrUnexpectedEOF
-			}
-			var v github_com_cosmos_cosmos_sdk_types.Int
-			m.BaseFee = &v
-			if err := m.BaseFee.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
-			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipQuery(dAtA[iNdEx:])

x/evm/types/query.pb.gw.go

@@ -20,6 +20,7 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
 )
 
@@ -30,6 +31,7 @@ var _ status.Status
 var _ = runtime.String
 var _ = utilities.NewDoubleArray
 var _ = descriptor.ForMessage
+var _ = metadata.Join
 
 func request_Query_Account_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
 	var protoReq QueryAccountRequest
@@ -506,12 +508,14 @@ func local_request_Query_TraceTx_0(ctx context.Context, marshaler runtime.Marsha
 // 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.
-// Note that using this registration option will cause many gRPC library features (such as grpc.SendHeader, etc) to stop working. Consider using RegisterQueryHandlerFromEndpoint instead.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterQueryHandlerFromEndpoint instead.
 func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, server QueryServer) error {
 
 	mux.Handle("GET", pattern_Query_Account_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -519,6 +523,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_Account_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -532,6 +537,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_CosmosAccount_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -539,6 +546,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_CosmosAccount_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -552,6 +560,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_ValidatorAccount_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -559,6 +569,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_ValidatorAccount_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -572,6 +583,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_Balance_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -579,6 +592,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_Balance_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -592,6 +606,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_Storage_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -599,6 +615,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_Storage_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -612,6 +629,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_Code_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -619,6 +638,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_Code_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -632,6 +652,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_Params_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -639,6 +661,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_Params_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -652,6 +675,8 @@ 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()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -659,6 +684,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_EthCall_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -672,6 +698,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_EstimateGas_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -679,6 +707,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_EstimateGas_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -692,6 +721,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_TraceTx_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -699,6 +730,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_TraceTx_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)

x/feemarket/types/query.pb.gw.go

@@ -20,6 +20,7 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
 )
 
@@ -30,6 +31,7 @@ var _ status.Status
 var _ = runtime.String
 var _ = utilities.NewDoubleArray
 var _ = descriptor.ForMessage
+var _ = metadata.Join
 
 func request_Query_Params_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
 	var protoReq QueryParamsRequest
@@ -88,12 +90,14 @@ func local_request_Query_BlockGas_0(ctx context.Context, marshaler runtime.Marsh
 // 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.
-// Note that using this registration option will cause many gRPC library features (such as grpc.SendHeader, etc) to stop working. Consider using RegisterQueryHandlerFromEndpoint instead.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterQueryHandlerFromEndpoint instead.
 func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, server QueryServer) error {
 
 	mux.Handle("GET", pattern_Query_Params_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -101,6 +105,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_Params_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -114,6 +119,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_BaseFee_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -121,6 +128,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_BaseFee_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -134,6 +142,8 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 	mux.Handle("GET", pattern_Query_BlockGas_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -141,6 +151,7 @@ func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, serv
 			return
 		}
 		resp, md, err := local_request_Query_BlockGas_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)