feat: include transactions in QueryBlockByHeight (#10880)

## Description

Closes: #3729 


- adds a new query to the tx service in Auth, which gets block information + decoded txs
- added a new function to get the protoBlock from the node.

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

CHANGELOG.md

@@ -170,6 +170,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (types/errors) [\#10779](https://github.com/cosmos/cosmos-sdk/pull/10779) Move most functionality in `types/errors` to a standalone `errors` go module, except the `RootCodespace` errors and ABCI response helpers. All functions and types that used to live in `types/errors` are now aliased so this is not a breaking change.
 * (gov) [\#10854](https://github.com/cosmos/cosmos-sdk/pull/10854) v1beta2's vote doesn't include the deprecate `option VoteOption` anymore. Instead, it only uses `WeightedVoteOption`.
 * (types) [\#11004](https://github.com/cosmos/cosmos-sdk/pull/11004) Added mutable versions of many of the sdk.Dec types operations.  This improves performance when used by avoiding reallocating a new bigint for each operation.
+* (x/auth) [\#10880](https://github.com/cosmos/cosmos-sdk/pull/10880) Added a new query to the tx query service that returns a block with transactions fully decoded.
 
 ### Bug Fixes
 

api/cosmos/group/v1beta1/types.pulsar.go

@@ -3,10 +3,6 @@ package groupv1beta1
 
 import (
 	fmt "fmt"
-	io "io"
-	reflect "reflect"
-	sync "sync"
-
 	_ "github.com/cosmos/cosmos-proto"
 	runtime "github.com/cosmos/cosmos-proto/runtime"
 	_ "github.com/gogo/protobuf/gogoproto"
@@ -16,6 +12,9 @@ import (
 	anypb "google.golang.org/protobuf/types/known/anypb"
 	durationpb "google.golang.org/protobuf/types/known/durationpb"
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	io "io"
+	reflect "reflect"
+	sync "sync"
 )
 
 var (

api/cosmos/tx/v1beta1/service_grpc.pb.go

@@ -30,6 +30,10 @@ type ServiceClient interface {
 	BroadcastTx(ctx context.Context, in *BroadcastTxRequest, opts ...grpc.CallOption) (*BroadcastTxResponse, error)
 	// GetTxsEvent fetches txs by event.
 	GetTxsEvent(ctx context.Context, in *GetTxsEventRequest, opts ...grpc.CallOption) (*GetTxsEventResponse, error)
+	// GetBlockWithTxs fetches a block with decoded txs.
+	//
+	// Since: cosmos-sdk 0.45.2
+	GetBlockWithTxs(ctx context.Context, in *GetBlockWithTxsRequest, opts ...grpc.CallOption) (*GetBlockWithTxsResponse, error)
 }
 
 type serviceClient struct {
@@ -76,6 +80,15 @@ func (c *serviceClient) GetTxsEvent(ctx context.Context, in *GetTxsEventRequest,
 	return out, nil
 }
 
+func (c *serviceClient) GetBlockWithTxs(ctx context.Context, in *GetBlockWithTxsRequest, opts ...grpc.CallOption) (*GetBlockWithTxsResponse, error) {
+	out := new(GetBlockWithTxsResponse)
+	err := c.cc.Invoke(ctx, "/cosmos.tx.v1beta1.Service/GetBlockWithTxs", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // ServiceServer is the server API for Service service.
 // All implementations must embed UnimplementedServiceServer
 // for forward compatibility
@@ -88,6 +101,10 @@ type ServiceServer interface {
 	BroadcastTx(context.Context, *BroadcastTxRequest) (*BroadcastTxResponse, error)
 	// GetTxsEvent fetches txs by event.
 	GetTxsEvent(context.Context, *GetTxsEventRequest) (*GetTxsEventResponse, error)
+	// GetBlockWithTxs fetches a block with decoded txs.
+	//
+	// Since: cosmos-sdk 0.45.2
+	GetBlockWithTxs(context.Context, *GetBlockWithTxsRequest) (*GetBlockWithTxsResponse, error)
 	mustEmbedUnimplementedServiceServer()
 }
 
@@ -107,6 +124,9 @@ func (UnimplementedServiceServer) BroadcastTx(context.Context, *BroadcastTxReque
 func (UnimplementedServiceServer) GetTxsEvent(context.Context, *GetTxsEventRequest) (*GetTxsEventResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetTxsEvent not implemented")
 }
+func (UnimplementedServiceServer) GetBlockWithTxs(context.Context, *GetBlockWithTxsRequest) (*GetBlockWithTxsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetBlockWithTxs not implemented")
+}
 func (UnimplementedServiceServer) mustEmbedUnimplementedServiceServer() {}
 
 // UnsafeServiceServer may be embedded to opt out of forward compatibility for this service.
@@ -192,6 +212,24 @@ func _Service_GetTxsEvent_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Service_GetBlockWithTxs_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetBlockWithTxsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ServiceServer).GetBlockWithTxs(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/cosmos.tx.v1beta1.Service/GetBlockWithTxs",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ServiceServer).GetBlockWithTxs(ctx, req.(*GetBlockWithTxsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // Service_ServiceDesc is the grpc.ServiceDesc for Service service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -215,6 +253,10 @@ var Service_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetTxsEvent",
 			Handler:    _Service_GetTxsEvent_Handler,
 		},
+		{
+			MethodName: "GetBlockWithTxs",
+			Handler:    _Service_GetBlockWithTxs_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "cosmos/tx/v1beta1/service.proto",

client/grpc/tmservice/block.go

@@ -2,8 +2,8 @@ package tmservice
 
 import (
 	"context"
-
 	"github.com/cosmos/cosmos-sdk/client"
+	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
 	"github.com/tendermint/tendermint/rpc/coretypes"
 )
 
@@ -16,3 +16,17 @@ func getBlock(ctx context.Context, clientCtx client.Context, height *int64) (*co
 
 	return node.Block(ctx, height)
 }
+
+func GetProtoBlock(ctx context.Context, clientCtx client.Context, height *int64) (tmproto.BlockID, *tmproto.Block, error) {
+	block, err := getBlock(ctx, clientCtx, height)
+	if err != nil {
+		return tmproto.BlockID{}, nil, err
+	}
+	protoBlock, err := block.Block.ToProto()
+	if err != nil {
+		return tmproto.BlockID{}, nil, err
+	}
+	protoBlockId := block.BlockID.ToProto()
+
+	return protoBlockId, protoBlock, nil
+}

client/grpc/tmservice/service.go

@@ -74,12 +74,7 @@ func (s queryServer) GetBlockByHeight(ctx context.Context, req *GetBlockByHeight
 		return nil, status.Error(codes.InvalidArgument, "requested block height is bigger then the chain length")
 	}
 
-	res, err := getBlock(ctx, s.clientCtx, &req.Height)
+	protoBlockID, protoBlock, err := GetProtoBlock(ctx, s.clientCtx, &req.Height)
-	if err != nil {
-		return nil, err
-	}
-	protoBlockID := res.BlockID.ToProto()
-	protoBlock, err := res.Block.ToProto()
 	if err != nil {
 		return nil, err
 	}

proto/cosmos/tx/v1beta1/service.proto

@@ -5,6 +5,8 @@ import "google/api/annotations.proto";
 import "cosmos/base/abci/v1beta1/abci.proto";
 import "cosmos/tx/v1beta1/tx.proto";
 import "cosmos/base/query/v1beta1/pagination.proto";
+import "tendermint/types/block.proto";
+import "tendermint/types/types.proto";
 
 option go_package                       = "github.com/cosmos/cosmos-sdk/types/tx";
 
@@ -32,6 +34,12 @@ service Service {
   rpc GetTxsEvent(GetTxsEventRequest) returns (GetTxsEventResponse) {
     option (google.api.http).get = "/cosmos/tx/v1beta1/txs";
   }
+  // GetBlockWithTxs fetches a block with decoded txs.
+  //
+  // Since: cosmos-sdk 0.45.2
+  rpc GetBlockWithTxs(GetBlockWithTxsRequest) returns (GetBlockWithTxsResponse) {
+    option (google.api.http).get = "/cosmos/tx/v1beta1/txs/block/{height}";
+  }
 }
 
 // GetTxsEventRequest is the request type for the Service.TxsByEvents
@@ -39,7 +47,7 @@ service Service {
 message GetTxsEventRequest {
   // events is the list of transaction event type.
   repeated string events = 1;
-  // pagination defines an pagination for the request.
+  // pagination defines a pagination for the request.
   cosmos.base.query.v1beta1.PageRequest pagination = 2;
   OrderBy                               order_by   = 3;
 }
@@ -61,7 +69,7 @@ message GetTxsEventResponse {
   repeated cosmos.tx.v1beta1.Tx txs = 1;
   // tx_responses is the list of queried TxResponses.
   repeated cosmos.base.abci.v1beta1.TxResponse tx_responses = 2;
-  // pagination defines an pagination for the response.
+  // pagination defines a pagination for the response.
   cosmos.base.query.v1beta1.PageResponse pagination = 3;
 }
 
@@ -129,4 +137,27 @@ message GetTxResponse {
   cosmos.tx.v1beta1.Tx tx = 1;
   // tx_response is the queried TxResponses.
   cosmos.base.abci.v1beta1.TxResponse tx_response = 2;
+}
+
+// GetBlockWithTxsRequest is the request type for the Service.GetBlockWithTxs
+// RPC method.
+//
+// Since: cosmos-sdk 0.45.2
+message GetBlockWithTxsRequest {
+  // height is the height of the block to query.
+  int64 height = 1;
+  // pagination defines a pagination for the request.
+  cosmos.base.query.v1beta1.PageRequest pagination = 2;
+}
+
+// GetBlockWithTxsResponse is the response type for the Service.GetBlockWithTxs method.
+//
+// Since: cosmos-sdk 0.45.2
+message GetBlockWithTxsResponse {
+  // txs are the transactions in the block.
+  repeated cosmos.tx.v1beta1.Tx txs = 1;
+  .tendermint.types.BlockID block_id = 2;
+  .tendermint.types.Block   block    = 3;
+  // pagination defines a pagination for the response.
+  cosmos.base.query.v1beta1.PageResponse pagination = 4;
 }

testutil/testdata_pulsar/query.pulsar.go

@@ -3,15 +3,14 @@ package testdata_pulsar
 
 import (
 	fmt "fmt"
-	io "io"
-	reflect "reflect"
-	sync "sync"
-
 	runtime "github.com/cosmos/cosmos-proto/runtime"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoiface "google.golang.org/protobuf/runtime/protoiface"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	anypb "google.golang.org/protobuf/types/known/anypb"
+	io "io"
+	reflect "reflect"
+	sync "sync"
 )
 
 var (

testutil/testdata_pulsar/testdata.pulsar.go

@@ -3,16 +3,15 @@ package testdata_pulsar
 
 import (
 	fmt "fmt"
-	io "io"
-	reflect "reflect"
-	sync "sync"
-
 	runtime "github.com/cosmos/cosmos-proto/runtime"
 	_ "github.com/gogo/protobuf/gogoproto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoiface "google.golang.org/protobuf/runtime/protoiface"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	anypb "google.golang.org/protobuf/types/known/anypb"
+	io "io"
+	reflect "reflect"
+	sync "sync"
 )
 
 var (

testutil/testdata_pulsar/tx.pulsar.go

@@ -3,15 +3,14 @@ package testdata_pulsar
 
 import (
 	fmt "fmt"
-	io "io"
-	reflect "reflect"
-	sync "sync"
-
 	runtime "github.com/cosmos/cosmos-proto/runtime"
 	_ "github.com/gogo/protobuf/gogoproto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoiface "google.golang.org/protobuf/runtime/protoiface"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	io "io"
+	reflect "reflect"
+	sync "sync"
 )
 
 var (

testutil/testdata_pulsar/unknonwnproto.pulsar.go

@@ -4,20 +4,18 @@ package testdata_pulsar
 import (
 	binary "encoding/binary"
 	fmt "fmt"
-	io "io"
-	math "math"
-	reflect "reflect"
-	sort "sort"
-	sync "sync"
-
 	runtime "github.com/cosmos/cosmos-proto/runtime"
+	v1beta1 "github.com/cosmos/cosmos-sdk/api/cosmos/tx/v1beta1"
 	_ "github.com/gogo/protobuf/gogoproto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoiface "google.golang.org/protobuf/runtime/protoiface"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	anypb "google.golang.org/protobuf/types/known/anypb"
-
+	io "io"
-	v1beta1 "github.com/cosmos/cosmos-sdk/api/cosmos/tx/v1beta1"
+	math "math"
+	reflect "reflect"
+	sort "sort"
+	sync "sync"
 )
 
 var (

types/tx/service.pb.go

@@ -10,6 +10,7 @@ import (
 	query "github.com/cosmos/cosmos-sdk/types/query"
 	grpc1 "github.com/gogo/protobuf/grpc"
 	proto "github.com/gogo/protobuf/proto"
+	types1 "github.com/tendermint/tendermint/proto/tendermint/types"
 	_ "google.golang.org/genproto/googleapis/api/annotations"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
@@ -106,7 +107,7 @@ func (BroadcastMode) EnumDescriptor() ([]byte, []int) {
 type GetTxsEventRequest struct {
 	// events is the list of transaction event type.
 	Events []string `protobuf:"bytes,1,rep,name=events,proto3" json:"events,omitempty"`
-	// pagination defines an pagination for the request.
+	// pagination defines a pagination for the request.
 	Pagination *query.PageRequest `protobuf:"bytes,2,opt,name=pagination,proto3" json:"pagination,omitempty"`
 	OrderBy    OrderBy            `protobuf:"varint,3,opt,name=order_by,json=orderBy,proto3,enum=cosmos.tx.v1beta1.OrderBy" json:"order_by,omitempty"`
 }
@@ -172,7 +173,7 @@ type GetTxsEventResponse struct {
 	Txs []*Tx `protobuf:"bytes,1,rep,name=txs,proto3" json:"txs,omitempty"`
 	// tx_responses is the list of queried TxResponses.
 	TxResponses []*types.TxResponse `protobuf:"bytes,2,rep,name=tx_responses,json=txResponses,proto3" json:"tx_responses,omitempty"`
-	// pagination defines an pagination for the response.
+	// pagination defines a pagination for the response.
 	Pagination *query.PageResponse `protobuf:"bytes,3,opt,name=pagination,proto3" json:"pagination,omitempty"`
 }
 
@@ -550,6 +551,133 @@ func (m *GetTxResponse) GetTxResponse() *types.TxResponse {
 	return nil
 }
 
+// GetBlockWithTxsRequest is the request type for the Service.GetBlockWithTxs
+// RPC method.
+type GetBlockWithTxsRequest struct {
+	// height is the height of the block to query.
+	Height int64 `protobuf:"varint,1,opt,name=height,proto3" json:"height,omitempty"`
+	// pagination defines a pagination for the request.
+	Pagination *query.PageRequest `protobuf:"bytes,2,opt,name=pagination,proto3" json:"pagination,omitempty"`
+}
+
+func (m *GetBlockWithTxsRequest) Reset()         { *m = GetBlockWithTxsRequest{} }
+func (m *GetBlockWithTxsRequest) String() string { return proto.CompactTextString(m) }
+func (*GetBlockWithTxsRequest) ProtoMessage()    {}
+func (*GetBlockWithTxsRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e0b00a618705eca7, []int{8}
+}
+func (m *GetBlockWithTxsRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *GetBlockWithTxsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_GetBlockWithTxsRequest.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 *GetBlockWithTxsRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetBlockWithTxsRequest.Merge(m, src)
+}
+func (m *GetBlockWithTxsRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *GetBlockWithTxsRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetBlockWithTxsRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetBlockWithTxsRequest proto.InternalMessageInfo
+
+func (m *GetBlockWithTxsRequest) GetHeight() int64 {
+	if m != nil {
+		return m.Height
+	}
+	return 0
+}
+
+func (m *GetBlockWithTxsRequest) GetPagination() *query.PageRequest {
+	if m != nil {
+		return m.Pagination
+	}
+	return nil
+}
+
+// GetBlockWithTxsResponse is the response type for the Service.GetBlockWithTxs method.
+type GetBlockWithTxsResponse struct {
+	// txs are the transactions in the block.
+	Txs     []*Tx           `protobuf:"bytes,1,rep,name=txs,proto3" json:"txs,omitempty"`
+	BlockId *types1.BlockID `protobuf:"bytes,2,opt,name=block_id,json=blockId,proto3" json:"block_id,omitempty"`
+	Block   *types1.Block   `protobuf:"bytes,3,opt,name=block,proto3" json:"block,omitempty"`
+	// pagination defines a pagination for the response.
+	Pagination *query.PageResponse `protobuf:"bytes,4,opt,name=pagination,proto3" json:"pagination,omitempty"`
+}
+
+func (m *GetBlockWithTxsResponse) Reset()         { *m = GetBlockWithTxsResponse{} }
+func (m *GetBlockWithTxsResponse) String() string { return proto.CompactTextString(m) }
+func (*GetBlockWithTxsResponse) ProtoMessage()    {}
+func (*GetBlockWithTxsResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e0b00a618705eca7, []int{9}
+}
+func (m *GetBlockWithTxsResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *GetBlockWithTxsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_GetBlockWithTxsResponse.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 *GetBlockWithTxsResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetBlockWithTxsResponse.Merge(m, src)
+}
+func (m *GetBlockWithTxsResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *GetBlockWithTxsResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetBlockWithTxsResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetBlockWithTxsResponse proto.InternalMessageInfo
+
+func (m *GetBlockWithTxsResponse) GetTxs() []*Tx {
+	if m != nil {
+		return m.Txs
+	}
+	return nil
+}
+
+func (m *GetBlockWithTxsResponse) GetBlockId() *types1.BlockID {
+	if m != nil {
+		return m.BlockId
+	}
+	return nil
+}
+
+func (m *GetBlockWithTxsResponse) GetBlock() *types1.Block {
+	if m != nil {
+		return m.Block
+	}
+	return nil
+}
+
+func (m *GetBlockWithTxsResponse) GetPagination() *query.PageResponse {
+	if m != nil {
+		return m.Pagination
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterEnum("cosmos.tx.v1beta1.OrderBy", OrderBy_name, OrderBy_value)
 	proto.RegisterEnum("cosmos.tx.v1beta1.BroadcastMode", BroadcastMode_name, BroadcastMode_value)
@@ -561,64 +689,75 @@ func init() {
 	proto.RegisterType((*SimulateResponse)(nil), "cosmos.tx.v1beta1.SimulateResponse")
 	proto.RegisterType((*GetTxRequest)(nil), "cosmos.tx.v1beta1.GetTxRequest")
 	proto.RegisterType((*GetTxResponse)(nil), "cosmos.tx.v1beta1.GetTxResponse")
+	proto.RegisterType((*GetBlockWithTxsRequest)(nil), "cosmos.tx.v1beta1.GetBlockWithTxsRequest")
+	proto.RegisterType((*GetBlockWithTxsResponse)(nil), "cosmos.tx.v1beta1.GetBlockWithTxsResponse")
 }
 
 func init() { proto.RegisterFile("cosmos/tx/v1beta1/service.proto", fileDescriptor_e0b00a618705eca7) }
 
 var fileDescriptor_e0b00a618705eca7 = []byte{
-	// 817 bytes of a gzipped FileDescriptorProto
+	// 962 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x55, 0x41, 0x6f, 0xe3, 0x44,
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+	0x14, 0xf5, 0x2e, 0xb6, 0x21, 0x17, 0x3b, 0x21, 0xe3, 0xd4, 0x26, 0x24, 0xc5, 0x64, 0x53, 0x6c,
-	0xba, 0x21, 0x12, 0xb6, 0x36, 0x80, 0x84, 0x10, 0x12, 0x8a, 0x93, 0x6c, 0xa9, 0x60, 0x37, 0xab,
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+	0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -641,6 +780,10 @@ type ServiceClient interface {
 	BroadcastTx(ctx context.Context, in *BroadcastTxRequest, opts ...grpc.CallOption) (*BroadcastTxResponse, error)
 	// GetTxsEvent fetches txs by event.
 	GetTxsEvent(ctx context.Context, in *GetTxsEventRequest, opts ...grpc.CallOption) (*GetTxsEventResponse, error)
+	// GetBlockWithTxs fetches a block with decoded txs.
+	//
+	// Since: cosmos-sdk 0.45.2
+	GetBlockWithTxs(ctx context.Context, in *GetBlockWithTxsRequest, opts ...grpc.CallOption) (*GetBlockWithTxsResponse, error)
 }
 
 type serviceClient struct {
@@ -687,6 +830,15 @@ func (c *serviceClient) GetTxsEvent(ctx context.Context, in *GetTxsEventRequest,
 	return out, nil
 }
 
+func (c *serviceClient) GetBlockWithTxs(ctx context.Context, in *GetBlockWithTxsRequest, opts ...grpc.CallOption) (*GetBlockWithTxsResponse, error) {
+	out := new(GetBlockWithTxsResponse)
+	err := c.cc.Invoke(ctx, "/cosmos.tx.v1beta1.Service/GetBlockWithTxs", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // ServiceServer is the server API for Service service.
 type ServiceServer interface {
 	// Simulate simulates executing a transaction for estimating gas usage.
@@ -697,6 +849,10 @@ type ServiceServer interface {
 	BroadcastTx(context.Context, *BroadcastTxRequest) (*BroadcastTxResponse, error)
 	// GetTxsEvent fetches txs by event.
 	GetTxsEvent(context.Context, *GetTxsEventRequest) (*GetTxsEventResponse, error)
+	// GetBlockWithTxs fetches a block with decoded txs.
+	//
+	// Since: cosmos-sdk 0.45.2
+	GetBlockWithTxs(context.Context, *GetBlockWithTxsRequest) (*GetBlockWithTxsResponse, error)
 }
 
 // UnimplementedServiceServer can be embedded to have forward compatible implementations.
@@ -715,6 +871,9 @@ func (*UnimplementedServiceServer) BroadcastTx(ctx context.Context, req *Broadca
 func (*UnimplementedServiceServer) GetTxsEvent(ctx context.Context, req *GetTxsEventRequest) (*GetTxsEventResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetTxsEvent not implemented")
 }
+func (*UnimplementedServiceServer) GetBlockWithTxs(ctx context.Context, req *GetBlockWithTxsRequest) (*GetBlockWithTxsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetBlockWithTxs not implemented")
+}
 
 func RegisterServiceServer(s grpc1.Server, srv ServiceServer) {
 	s.RegisterService(&_Service_serviceDesc, srv)
@@ -792,6 +951,24 @@ func _Service_GetTxsEvent_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Service_GetBlockWithTxs_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetBlockWithTxsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ServiceServer).GetBlockWithTxs(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/cosmos.tx.v1beta1.Service/GetBlockWithTxs",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ServiceServer).GetBlockWithTxs(ctx, req.(*GetBlockWithTxsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Service_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "cosmos.tx.v1beta1.Service",
 	HandlerType: (*ServiceServer)(nil),
@@ -812,6 +989,10 @@ var _Service_serviceDesc = grpc.ServiceDesc{
 			MethodName: "GetTxsEvent",
 			Handler:    _Service_GetTxsEvent_Handler,
 		},
+		{
+			MethodName: "GetBlockWithTxs",
+			Handler:    _Service_GetBlockWithTxs_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "cosmos/tx/v1beta1/service.proto",
@@ -1165,6 +1346,119 @@ func (m *GetTxResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *GetBlockWithTxsRequest) 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 *GetBlockWithTxsRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *GetBlockWithTxsRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.Pagination != nil {
+		{
+			size, err := m.Pagination.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintService(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x12
+	}
+	if m.Height != 0 {
+		i = encodeVarintService(dAtA, i, uint64(m.Height))
+		i--
+		dAtA[i] = 0x8
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *GetBlockWithTxsResponse) 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 *GetBlockWithTxsResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *GetBlockWithTxsResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.Pagination != nil {
+		{
+			size, err := m.Pagination.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintService(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x22
+	}
+	if m.Block != nil {
+		{
+			size, err := m.Block.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintService(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x1a
+	}
+	if m.BlockId != nil {
+		{
+			size, err := m.BlockId.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintService(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.Txs) > 0 {
+		for iNdEx := len(m.Txs) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Txs[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintService(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0xa
+		}
+	}
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintService(dAtA []byte, offset int, v uint64) int {
 	offset -= sovService(v)
 	base := offset
@@ -1316,6 +1610,49 @@ func (m *GetTxResponse) Size() (n int) {
 	return n
 }
 
+func (m *GetBlockWithTxsRequest) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.Height != 0 {
+		n += 1 + sovService(uint64(m.Height))
+	}
+	if m.Pagination != nil {
+		l = m.Pagination.Size()
+		n += 1 + l + sovService(uint64(l))
+	}
+	return n
+}
+
+func (m *GetBlockWithTxsResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if len(m.Txs) > 0 {
+		for _, e := range m.Txs {
+			l = e.Size()
+			n += 1 + l + sovService(uint64(l))
+		}
+	}
+	if m.BlockId != nil {
+		l = m.BlockId.Size()
+		n += 1 + l + sovService(uint64(l))
+	}
+	if m.Block != nil {
+		l = m.Block.Size()
+		n += 1 + l + sovService(uint64(l))
+	}
+	if m.Pagination != nil {
+		l = m.Pagination.Size()
+		n += 1 + l + sovService(uint64(l))
+	}
+	return n
+}
+
 func sovService(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -2248,6 +2585,303 @@ func (m *GetTxResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *GetBlockWithTxsRequest) 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 ErrIntOverflowService
+			}
+			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: GetBlockWithTxsRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: GetBlockWithTxsRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Height", wireType)
+			}
+			m.Height = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowService
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Height |= int64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pagination", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowService
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthService
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthService
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Pagination == nil {
+				m.Pagination = &query.PageRequest{}
+			}
+			if err := m.Pagination.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipService(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthService
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *GetBlockWithTxsResponse) 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 ErrIntOverflowService
+			}
+			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: GetBlockWithTxsResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: GetBlockWithTxsResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Txs", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowService
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthService
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthService
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Txs = append(m.Txs, &Tx{})
+			if err := m.Txs[len(m.Txs)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field BlockId", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowService
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthService
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthService
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.BlockId == nil {
+				m.BlockId = &types1.BlockID{}
+			}
+			if err := m.BlockId.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Block", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowService
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthService
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthService
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Block == nil {
+				m.Block = &types1.Block{}
+			}
+			if err := m.Block.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pagination", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowService
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthService
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthService
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Pagination == nil {
+				m.Pagination = &query.PageResponse{}
+			}
+			if err := m.Pagination.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipService(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthService
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipService(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0

types/tx/service.pb.gw.go

@@ -189,6 +189,78 @@ func local_request_Service_GetTxsEvent_0(ctx context.Context, marshaler runtime.
 
 }
 
+var (
+	filter_Service_GetBlockWithTxs_0 = &utilities.DoubleArray{Encoding: map[string]int{"height": 0}, Base: []int{1, 1, 0}, Check: []int{0, 1, 2}}
+)
+
+func request_Service_GetBlockWithTxs_0(ctx context.Context, marshaler runtime.Marshaler, client ServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetBlockWithTxsRequest
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["height"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "height")
+	}
+
+	protoReq.Height, err = runtime.Int64(val)
+
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "height", err)
+	}
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Service_GetBlockWithTxs_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.GetBlockWithTxs(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Service_GetBlockWithTxs_0(ctx context.Context, marshaler runtime.Marshaler, server ServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetBlockWithTxsRequest
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["height"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "height")
+	}
+
+	protoReq.Height, err = runtime.Int64(val)
+
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "height", err)
+	}
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Service_GetBlockWithTxs_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.GetBlockWithTxs(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 // RegisterServiceHandlerServer registers the http handlers for service Service to "mux".
 // UnaryRPC     :call ServiceServer directly.
 // StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
@@ -275,6 +347,26 @@ func RegisterServiceHandlerServer(ctx context.Context, mux *runtime.ServeMux, se
 
 	})
 
+	mux.Handle("GET", pattern_Service_GetBlockWithTxs_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_Service_GetBlockWithTxs_0(rctx, inboundMarshaler, server, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Service_GetBlockWithTxs_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -396,6 +488,26 @@ func RegisterServiceHandlerClient(ctx context.Context, mux *runtime.ServeMux, cl
 
 	})
 
+	mux.Handle("GET", pattern_Service_GetBlockWithTxs_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_Service_GetBlockWithTxs_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Service_GetBlockWithTxs_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -407,6 +519,8 @@ var (
 	pattern_Service_BroadcastTx_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"cosmos", "tx", "v1beta1", "txs"}, "", runtime.AssumeColonVerbOpt(false)))
 
 	pattern_Service_GetTxsEvent_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"cosmos", "tx", "v1beta1", "txs"}, "", runtime.AssumeColonVerbOpt(false)))
+
+	pattern_Service_GetBlockWithTxs_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 2, 4, 1, 0, 4, 1, 5, 5}, []string{"cosmos", "tx", "v1beta1", "txs", "block", "height"}, "", runtime.AssumeColonVerbOpt(false)))
 )
 
 var (
@@ -417,4 +531,6 @@ var (
 	forward_Service_BroadcastTx_0 = runtime.ForwardResponseMessage
 
 	forward_Service_GetTxsEvent_0 = runtime.ForwardResponseMessage
+
+	forward_Service_GetBlockWithTxs_0 = runtime.ForwardResponseMessage
 )

x/auth/tx/service.go

@@ -3,6 +3,8 @@ package tx
 import (
 	"context"
 	"fmt"
+	"github.com/cosmos/cosmos-sdk/client/grpc/tmservice"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	"strings"
 
 	gogogrpc "github.com/gogo/protobuf/grpc"
@@ -157,6 +159,85 @@ func (s txServer) GetTx(ctx context.Context, req *txtypes.GetTxRequest) (*txtype
 	}, nil
 }
 
+// protoTxProvider is a type which can provide a proto transaction. It is a
+// workaround to get access to the wrapper TxBuilder's method GetProtoTx().
+// ref: https://github.com/cosmos/cosmos-sdk/issues/10347
+type protoTxProvider interface {
+	GetProtoTx() *txtypes.Tx
+}
+
+// GetBlockWithTxs returns a block with decoded txs.
+func (s txServer) GetBlockWithTxs(ctx context.Context, req *txtypes.GetBlockWithTxsRequest) (*txtypes.GetBlockWithTxsResponse, error) {
+	if req == nil {
+		return nil, status.Error(codes.InvalidArgument, "request cannot be nil")
+	}
+
+	sdkCtx := sdk.UnwrapSDKContext(ctx)
+	currentHeight := sdkCtx.BlockHeight()
+
+	if req.Height < 1 || req.Height > currentHeight {
+		return nil, sdkerrors.ErrInvalidHeight.Wrapf("requested height %d but height must not be less than 1 "+
+			"or greater than the current height %d", req.Height, currentHeight)
+	}
+
+	blockId, block, err := tmservice.GetProtoBlock(ctx, s.clientCtx, &req.Height)
+	if err != nil {
+		return nil, err
+	}
+
+	var offset, limit uint64
+	if req.Pagination != nil {
+		offset = req.Pagination.Offset
+		limit = req.Pagination.Limit
+	} else {
+		offset = 0
+		limit = pagination.DefaultLimit
+	}
+
+	blockTxs := block.Data.Txs
+	blockTxsLn := uint64(len(blockTxs))
+	txs := make([]*txtypes.Tx, 0, limit)
+	if offset >= blockTxsLn {
+		return nil, sdkerrors.ErrInvalidRequest.Wrapf("out of range: cannot paginate %d txs with offset %d and limit %d", blockTxsLn, offset, limit)
+	}
+	decodeTxAt := func(i uint64) error {
+		tx := blockTxs[i]
+		txb, err := s.clientCtx.TxConfig.TxDecoder()(tx)
+		if err != nil {
+			return err
+		}
+		p, ok := txb.(protoTxProvider)
+		if !ok {
+			return sdkerrors.ErrTxDecode.Wrapf("could not cast %T to %T", txb, txtypes.Tx{})
+		}
+		txs = append(txs, p.GetProtoTx())
+		return nil
+	}
+	if req.Pagination != nil && req.Pagination.Reverse {
+		for i, count := offset, uint64(0); i > 0 && count != limit; i, count = i-1, count+1 {
+			if err = decodeTxAt(i); err != nil {
+				return nil, err
+			}
+		}
+	} else {
+		for i, count := offset, uint64(0); i < blockTxsLn && count != limit; i, count = i+1, count+1 {
+			if err = decodeTxAt(i); err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	return &txtypes.GetBlockWithTxsResponse{
+		Txs:     txs,
+		BlockId: &blockId,
+		Block:   block,
+		Pagination: &pagination.PageResponse{
+			Total: blockTxsLn,
+		},
+	}, nil
+
+}
+
 func (s txServer) BroadcastTx(ctx context.Context, req *txtypes.BroadcastTxRequest) (*txtypes.BroadcastTxResponse, error) {
 	return client.TxServiceBroadcast(ctx, s.clientCtx, req)
 }

x/auth/tx/service_test.go

@@ -40,6 +40,7 @@ type IntegrationTestSuite struct {
 	cfg     network.Config
 	network *network.Network
 
+	txHeight    int64
 	queryClient tx.ServiceClient
 	txRes       sdk.TxResponse
 }
@@ -80,7 +81,29 @@ func (s *IntegrationTestSuite) SetupSuite() {
 	s.Require().NoError(val.ClientCtx.Codec.UnmarshalJSON(out.Bytes(), &s.txRes))
 	s.Require().Equal(uint32(0), s.txRes.Code)
 
+	out, err = bankcli.MsgSendExec(
+		val.ClientCtx,
+		val.Address,
+		val.Address,
+		sdk.NewCoins(
+			sdk.NewCoin(s.cfg.BondDenom, sdk.NewInt(1)),
+		),
+		fmt.Sprintf("--%s=true", flags.FlagSkipConfirmation),
+		fmt.Sprintf("--%s=2", flags.FlagSequence),
+		fmt.Sprintf("--%s=%s", flags.FlagBroadcastMode, flags.BroadcastSync),
+		fmt.Sprintf("--%s=%s", flags.FlagFees, sdk.NewCoins(sdk.NewCoin(s.cfg.BondDenom, sdk.NewInt(10))).String()),
+		fmt.Sprintf("--gas=%d", flags.DefaultGasLimit),
+		fmt.Sprintf("--%s=foobar", flags.FlagNote),
+	)
+	s.Require().NoError(err)
+	var tr sdk.TxResponse
+	s.Require().NoError(val.ClientCtx.Codec.UnmarshalJSON(out.Bytes(), &tr))
+	s.Require().Equal(uint32(0), tr.Code)
+
 	s.Require().NoError(s.network.WaitForNextBlock())
+	height, err := s.network.LatestHeight()
+	s.Require().NoError(err)
+	s.txHeight = height
 }
 
 func (s *IntegrationTestSuite) TearDownSuite() {
@@ -588,6 +611,81 @@ func (s *IntegrationTestSuite) TestSimMultiSigTx() {
 	s.Require().Greater(res.GasInfo.GasUsed, uint64(0))
 }
 
+func (s IntegrationTestSuite) TestGetBlockWithTxs_GRPC() {
+	testCases := []struct {
+		name      string
+		req       *tx.GetBlockWithTxsRequest
+		expErr    bool
+		expErrMsg string
+	}{
+		{"nil request", nil, true, "request cannot be nil"},
+		{"empty request", &tx.GetBlockWithTxsRequest{}, true, "height must not be less than 1 or greater than the current height"},
+		{"bad height", &tx.GetBlockWithTxsRequest{Height: 99999999}, true, "height must not be less than 1 or greater than the current height"},
+		{"bad pagination", &tx.GetBlockWithTxsRequest{Height: s.txHeight, Pagination: &query.PageRequest{Offset: 1000, Limit: 100}}, true, "out of range"},
+		{"good request", &tx.GetBlockWithTxsRequest{Height: s.txHeight}, false, ""},
+		{"with pagination request", &tx.GetBlockWithTxsRequest{Height: s.txHeight, Pagination: &query.PageRequest{Offset: 0, Limit: 1}}, false, ""},
+		{"page all request", &tx.GetBlockWithTxsRequest{Height: s.txHeight, Pagination: &query.PageRequest{Offset: 0, Limit: 100}}, false, ""},
+	}
+	for _, tc := range testCases {
+		s.Run(tc.name, func() {
+			// Query the tx via gRPC.
+			grpcRes, err := s.queryClient.GetBlockWithTxs(context.Background(), tc.req)
+			if tc.expErr {
+				s.Require().Error(err)
+				s.Require().Contains(err.Error(), tc.expErrMsg)
+			} else {
+				s.Require().NoError(err)
+				s.Require().Equal("foobar", grpcRes.Txs[0].Body.Memo)
+				s.Require().Equal(grpcRes.Block.Header.Height, tc.req.Height)
+				if tc.req.Pagination != nil {
+					s.Require().LessOrEqual(len(grpcRes.Txs), int(tc.req.Pagination.Limit))
+				}
+			}
+		})
+	}
+}
+
+func (s IntegrationTestSuite) TestGetBlockWithTxs_GRPCGateway() {
+	val := s.network.Validators[0]
+	testCases := []struct {
+		name      string
+		url       string
+		expErr    bool
+		expErrMsg string
+	}{
+		{
+			"empty params",
+			fmt.Sprintf("%s/cosmos/tx/v1beta1/txs/block/0", val.APIAddress),
+			true, "height must not be less than 1 or greater than the current height",
+		},
+		{
+			"bad height",
+			fmt.Sprintf("%s/cosmos/tx/v1beta1/txs/block/%d", val.APIAddress, 9999999),
+			true, "height must not be less than 1 or greater than the current height",
+		},
+		{
+			"good request",
+			fmt.Sprintf("%s/cosmos/tx/v1beta1/txs/block/%d", val.APIAddress, s.txHeight),
+			false, "",
+		},
+	}
+	for _, tc := range testCases {
+		s.Run(tc.name, func() {
+			res, err := rest.GetRequest(tc.url)
+			s.Require().NoError(err)
+			if tc.expErr {
+				s.Require().Contains(string(res), tc.expErrMsg)
+			} else {
+				var result tx.GetBlockWithTxsResponse
+				err = val.ClientCtx.Codec.UnmarshalJSON(res, &result)
+				s.Require().NoError(err)
+				s.Require().Equal("foobar", result.Txs[0].Body.Memo)
+				s.Require().Equal(result.Block.Header.Height, s.txHeight)
+			}
+		})
+	}
+}
+
 func TestIntegrationTestSuite(t *testing.T) {
 	suite.Run(t, new(IntegrationTestSuite))
 }