Add TxsByEvent gRPC endpoint (#7842)

* add service definition for TxsByEvents

* add TxsByEvent gRPC endpoint

* fix lint

* fix test

* review changes

* review changes

* fix proto descriptions

* review changes

* fix lint

* review changes

* Update proto/cosmos/tx/v1beta1/service.proto

* review changes

Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

proto/cosmos/tx/v1beta1/service.proto

@@ -4,6 +4,7 @@ package cosmos.tx.v1beta1;
 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";
 
 option go_package = "github.com/cosmos/cosmos-sdk/types/tx";
 
@@ -17,6 +18,31 @@ service Service {
     rpc GetTx(GetTxRequest) returns (GetTxResponse) {
         option (google.api.http).get = "/cosmos/tx/v1beta1/tx/{hash}";
     }
+
+    // GetTxsEvent fetches txs by event.
+    rpc GetTxsEvent(GetTxsEventRequest) returns (GetTxsEventResponse) {
+        option (google.api.http).get = "/cosmos/tx/v1beta1/txs";
+    }
+}
+
+// GetTxsEventRequest is the request type for the Service.TxsByEvents
+// RPC method.
+message GetTxsEventRequest {
+    // event is the transaction event type.
+    string event = 1;
+    // pagination defines an pagination for the request.
+    cosmos.base.query.v1beta1.PageRequest pagination = 2;
+}
+
+// GetTxsEventResponse is the response type for the Service.TxsByEvents
+// RPC method.
+message GetTxsEventResponse {
+    // txs is the list of queried transactions.
+    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.
+    cosmos.base.query.v1beta1.PageResponse pagination = 3;
 }
 
 // SimulateRequest is the request type for the Service.Simulate
@@ -35,7 +61,7 @@ message SimulateResponse {
     cosmos.base.abci.v1beta1.Result result = 2;
 }
 
-// GetTx is the request type for the Service.GetTx
+// GetTxRequest is the request type for the Service.GetTx
 // RPC method.
 message GetTxRequest {
     // hash is the tx hash to query, encoded as a hex string.
@@ -46,4 +72,6 @@ message GetTxRequest {
 message GetTxResponse {
     // tx is the queried transaction.
     cosmos.tx.v1beta1.Tx tx = 1;
+    // tx_response is the queried TxResponses.
+    cosmos.base.abci.v1beta1.TxResponse tx_response = 2;
 }

types/query/filtered_pagination.go

@@ -35,7 +35,7 @@ func FilteredPaginate(
 	}
 
 	if limit == 0 {
-		limit = defaultLimit
+		limit = DefaultLimit
 
 		// count total results when the limit is zero/not supplied
 		countTotal = true

types/query/pagination.go

@@ -6,9 +6,9 @@ import (
 	"github.com/cosmos/cosmos-sdk/store/types"
 )
 
-// defaultLimit is the default `limit` for queries
+// DefaultLimit is the default `limit` for queries
-// if the `limit` is not supplied, paginate will use `defaultLimit`
+// if the `limit` is not supplied, paginate will use `DefaultLimit`
-const defaultLimit = 100
+const DefaultLimit = 100
 
 // Paginate does pagination of all the results in the PrefixStore based on the
 // provided PageRequest. onResult should be used to do actual unmarshaling.
@@ -33,7 +33,7 @@ func Paginate(
 	}
 
 	if limit == 0 {
-		limit = defaultLimit
+		limit = DefaultLimit
 
 		// count total results when the limit is zero/not supplied
 		countTotal = true

types/tx/service.pb.go

@@ -7,6 +7,7 @@ import (
 	context "context"
 	fmt "fmt"
 	types "github.com/cosmos/cosmos-sdk/types"
+	query "github.com/cosmos/cosmos-sdk/types/query"
 	grpc1 "github.com/gogo/protobuf/grpc"
 	proto "github.com/gogo/protobuf/proto"
 	_ "google.golang.org/genproto/googleapis/api/annotations"
@@ -29,6 +30,127 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
+// GetTxsEventRequest is the request type for the Service.TxsByEvents
+// RPC method.
+type GetTxsEventRequest struct {
+	// event is the transaction event type.
+	Event string `protobuf:"bytes,1,opt,name=event,proto3" json:"event,omitempty"`
+	// pagination defines an pagination for the request.
+	Pagination *query.PageRequest `protobuf:"bytes,2,opt,name=pagination,proto3" json:"pagination,omitempty"`
+}
+
+func (m *GetTxsEventRequest) Reset()         { *m = GetTxsEventRequest{} }
+func (m *GetTxsEventRequest) String() string { return proto.CompactTextString(m) }
+func (*GetTxsEventRequest) ProtoMessage()    {}
+func (*GetTxsEventRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e0b00a618705eca7, []int{0}
+}
+func (m *GetTxsEventRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *GetTxsEventRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_GetTxsEventRequest.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 *GetTxsEventRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetTxsEventRequest.Merge(m, src)
+}
+func (m *GetTxsEventRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *GetTxsEventRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetTxsEventRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetTxsEventRequest proto.InternalMessageInfo
+
+func (m *GetTxsEventRequest) GetEvent() string {
+	if m != nil {
+		return m.Event
+	}
+	return ""
+}
+
+func (m *GetTxsEventRequest) GetPagination() *query.PageRequest {
+	if m != nil {
+		return m.Pagination
+	}
+	return nil
+}
+
+// GetTxsEventResponse is the response type for the Service.TxsByEvents
+// RPC method.
+type GetTxsEventResponse struct {
+	// txs is the list of queried transactions.
+	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 *query.PageResponse `protobuf:"bytes,3,opt,name=pagination,proto3" json:"pagination,omitempty"`
+}
+
+func (m *GetTxsEventResponse) Reset()         { *m = GetTxsEventResponse{} }
+func (m *GetTxsEventResponse) String() string { return proto.CompactTextString(m) }
+func (*GetTxsEventResponse) ProtoMessage()    {}
+func (*GetTxsEventResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e0b00a618705eca7, []int{1}
+}
+func (m *GetTxsEventResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *GetTxsEventResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_GetTxsEventResponse.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 *GetTxsEventResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetTxsEventResponse.Merge(m, src)
+}
+func (m *GetTxsEventResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *GetTxsEventResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetTxsEventResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetTxsEventResponse proto.InternalMessageInfo
+
+func (m *GetTxsEventResponse) GetTxs() []*Tx {
+	if m != nil {
+		return m.Txs
+	}
+	return nil
+}
+
+func (m *GetTxsEventResponse) GetTxResponses() []*types.TxResponse {
+	if m != nil {
+		return m.TxResponses
+	}
+	return nil
+}
+
+func (m *GetTxsEventResponse) GetPagination() *query.PageResponse {
+	if m != nil {
+		return m.Pagination
+	}
+	return nil
+}
+
 // SimulateRequest is the request type for the Service.Simulate
 // RPC method.
 type SimulateRequest struct {
@@ -40,7 +162,7 @@ func (m *SimulateRequest) Reset()         { *m = SimulateRequest{} }
 func (m *SimulateRequest) String() string { return proto.CompactTextString(m) }
 func (*SimulateRequest) ProtoMessage()    {}
 func (*SimulateRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_e0b00a618705eca7, []int{0}
+	return fileDescriptor_e0b00a618705eca7, []int{2}
 }
 func (m *SimulateRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -89,7 +211,7 @@ func (m *SimulateResponse) Reset()         { *m = SimulateResponse{} }
 func (m *SimulateResponse) String() string { return proto.CompactTextString(m) }
 func (*SimulateResponse) ProtoMessage()    {}
 func (*SimulateResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_e0b00a618705eca7, []int{1}
+	return fileDescriptor_e0b00a618705eca7, []int{3}
 }
 func (m *SimulateResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -132,7 +254,7 @@ func (m *SimulateResponse) GetResult() *types.Result {
 	return nil
 }
 
-// GetTx is the request type for the Service.GetTx
+// GetTxRequest is the request type for the Service.GetTx
 // RPC method.
 type GetTxRequest struct {
 	// hash is the tx hash to query, encoded as a hex string.
@@ -143,7 +265,7 @@ func (m *GetTxRequest) Reset()         { *m = GetTxRequest{} }
 func (m *GetTxRequest) String() string { return proto.CompactTextString(m) }
 func (*GetTxRequest) ProtoMessage()    {}
 func (*GetTxRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_e0b00a618705eca7, []int{2}
+	return fileDescriptor_e0b00a618705eca7, []int{4}
 }
 func (m *GetTxRequest) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -183,13 +305,15 @@ func (m *GetTxRequest) GetHash() string {
 type GetTxResponse struct {
 	// tx is the queried transaction.
 	Tx *Tx `protobuf:"bytes,1,opt,name=tx,proto3" json:"tx,omitempty"`
+	// tx_response is the queried TxResponses.
+	TxResponse *types.TxResponse `protobuf:"bytes,2,opt,name=tx_response,json=txResponse,proto3" json:"tx_response,omitempty"`
 }
 
 func (m *GetTxResponse) Reset()         { *m = GetTxResponse{} }
 func (m *GetTxResponse) String() string { return proto.CompactTextString(m) }
 func (*GetTxResponse) ProtoMessage()    {}
 func (*GetTxResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_e0b00a618705eca7, []int{3}
+	return fileDescriptor_e0b00a618705eca7, []int{5}
 }
 func (m *GetTxResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -225,7 +349,16 @@ func (m *GetTxResponse) GetTx() *Tx {
 	return nil
 }
 
+func (m *GetTxResponse) GetTxResponse() *types.TxResponse {
+	if m != nil {
+		return m.TxResponse
+	}
+	return nil
+}
+
 func init() {
+	proto.RegisterType((*GetTxsEventRequest)(nil), "cosmos.tx.v1beta1.GetTxsEventRequest")
+	proto.RegisterType((*GetTxsEventResponse)(nil), "cosmos.tx.v1beta1.GetTxsEventResponse")
 	proto.RegisterType((*SimulateRequest)(nil), "cosmos.tx.v1beta1.SimulateRequest")
 	proto.RegisterType((*SimulateResponse)(nil), "cosmos.tx.v1beta1.SimulateResponse")
 	proto.RegisterType((*GetTxRequest)(nil), "cosmos.tx.v1beta1.GetTxRequest")
@@ -235,33 +368,43 @@ func init() {
 func init() { proto.RegisterFile("cosmos/tx/v1beta1/service.proto", fileDescriptor_e0b00a618705eca7) }
 
 var fileDescriptor_e0b00a618705eca7 = []byte{
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+	0x40, 0xdb, 0x05, 0x92, 0xf9, 0x16, 0x5a, 0xf5, 0x72, 0x80, 0x36, 0xdc, 0x51, 0x86, 0x36, 0xda,
+	0xc2, 0x45, 0x3b, 0x8d, 0x3f, 0x26, 0x5d, 0xbf, 0x40, 0x9f, 0xa0, 0x9a, 0xdb, 0x19, 0xd4, 0x2c,
+	0x93, 0x5d, 0x5a, 0x64, 0x6b, 0xf7, 0x2a, 0x98, 0xae, 0xc1, 0x56, 0x35, 0xd4, 0xd0, 0xc3, 0xc2,
+	0x1a, 0xf8, 0xab, 0x97, 0xdf, 0xa7, 0xb6, 0x31, 0x99, 0xda, 0xc6, 0xaf, 0xa9, 0x6d, 0x7c, 0x9d,
+	0xd9, 0x2b, 0x93, 0x99, 0xbd, 0xf2, 0x73, 0x66, 0xaf, 0xbc, 0x6b, 0xfa, 0x81, 0xe8, 0x8f, 0xba,
+	0x6e, 0x8f, 0x0d, 0x33, 0x6e, 0xfa, 0x78, 0xc6, 0xdf, 0x7f, 0xc0, 0xe2, 0x3c, 0xa2, 0x89, 0x58,
+	0x77, 0x4d, 0xfd, 0x6e, 0x9e, 0xff, 0x0d, 0x00, 0x00, 0xff, 0xff, 0xae, 0x63, 0xf9, 0x38, 0x2f,
+	0x05, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -280,6 +423,8 @@ type ServiceClient interface {
 	Simulate(ctx context.Context, in *SimulateRequest, opts ...grpc.CallOption) (*SimulateResponse, error)
 	// GetTx fetches a tx by hash.
 	GetTx(ctx context.Context, in *GetTxRequest, opts ...grpc.CallOption) (*GetTxResponse, error)
+	// GetTxsEvent fetches txs by event.
+	GetTxsEvent(ctx context.Context, in *GetTxsEventRequest, opts ...grpc.CallOption) (*GetTxsEventResponse, error)
 }
 
 type serviceClient struct {
@@ -308,12 +453,23 @@ func (c *serviceClient) GetTx(ctx context.Context, in *GetTxRequest, opts ...grp
 	return out, nil
 }
 
+func (c *serviceClient) GetTxsEvent(ctx context.Context, in *GetTxsEventRequest, opts ...grpc.CallOption) (*GetTxsEventResponse, error) {
+	out := new(GetTxsEventResponse)
+	err := c.cc.Invoke(ctx, "/cosmos.tx.v1beta1.Service/GetTxsEvent", 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.
 	Simulate(context.Context, *SimulateRequest) (*SimulateResponse, error)
 	// GetTx fetches a tx by hash.
 	GetTx(context.Context, *GetTxRequest) (*GetTxResponse, error)
+	// GetTxsEvent fetches txs by event.
+	GetTxsEvent(context.Context, *GetTxsEventRequest) (*GetTxsEventResponse, error)
 }
 
 // UnimplementedServiceServer can be embedded to have forward compatible implementations.
@@ -326,6 +482,9 @@ func (*UnimplementedServiceServer) Simulate(ctx context.Context, req *SimulateRe
 func (*UnimplementedServiceServer) GetTx(ctx context.Context, req *GetTxRequest) (*GetTxResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetTx not implemented")
 }
+func (*UnimplementedServiceServer) GetTxsEvent(ctx context.Context, req *GetTxsEventRequest) (*GetTxsEventResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetTxsEvent not implemented")
+}
 
 func RegisterServiceServer(s grpc1.Server, srv ServiceServer) {
 	s.RegisterService(&_Service_serviceDesc, srv)
@@ -367,6 +526,24 @@ func _Service_GetTx_Handler(srv interface{}, ctx context.Context, dec func(inter
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Service_GetTxsEvent_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetTxsEventRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ServiceServer).GetTxsEvent(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/cosmos.tx.v1beta1.Service/GetTxsEvent",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ServiceServer).GetTxsEvent(ctx, req.(*GetTxsEventRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Service_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "cosmos.tx.v1beta1.Service",
 	HandlerType: (*ServiceServer)(nil),
@@ -379,11 +556,120 @@ var _Service_serviceDesc = grpc.ServiceDesc{
 			MethodName: "GetTx",
 			Handler:    _Service_GetTx_Handler,
 		},
+		{
+			MethodName: "GetTxsEvent",
+			Handler:    _Service_GetTxsEvent_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "cosmos/tx/v1beta1/service.proto",
 }
 
+func (m *GetTxsEventRequest) 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 *GetTxsEventRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *GetTxsEventRequest) 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 len(m.Event) > 0 {
+		i -= len(m.Event)
+		copy(dAtA[i:], m.Event)
+		i = encodeVarintService(dAtA, i, uint64(len(m.Event)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *GetTxsEventResponse) 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 *GetTxsEventResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *GetTxsEventResponse) 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] = 0x1a
+	}
+	if len(m.TxResponses) > 0 {
+		for iNdEx := len(m.TxResponses) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.TxResponses[iNdEx].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 (m *SimulateRequest) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -516,6 +802,18 @@ func (m *GetTxResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.TxResponse != nil {
+		{
+			size, err := m.TxResponse.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintService(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x12
+	}
 	if m.Tx != nil {
 		{
 			size, err := m.Tx.MarshalToSizedBuffer(dAtA[:i])
@@ -542,6 +840,48 @@ func encodeVarintService(dAtA []byte, offset int, v uint64) int {
 	dAtA[offset] = uint8(v)
 	return base
 }
+func (m *GetTxsEventRequest) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Event)
+	if l > 0 {
+		n += 1 + l + sovService(uint64(l))
+	}
+	if m.Pagination != nil {
+		l = m.Pagination.Size()
+		n += 1 + l + sovService(uint64(l))
+	}
+	return n
+}
+
+func (m *GetTxsEventResponse) 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 len(m.TxResponses) > 0 {
+		for _, e := range m.TxResponses {
+			l = e.Size()
+			n += 1 + l + sovService(uint64(l))
+		}
+	}
+	if m.Pagination != nil {
+		l = m.Pagination.Size()
+		n += 1 + l + sovService(uint64(l))
+	}
+	return n
+}
+
 func (m *SimulateRequest) Size() (n int) {
 	if m == nil {
 		return 0
@@ -595,6 +935,10 @@ func (m *GetTxResponse) Size() (n int) {
 		l = m.Tx.Size()
 		n += 1 + l + sovService(uint64(l))
 	}
+	if m.TxResponse != nil {
+		l = m.TxResponse.Size()
+		n += 1 + l + sovService(uint64(l))
+	}
 	return n
 }
 
@@ -604,6 +948,284 @@ func sovService(x uint64) (n int) {
 func sozService(x uint64) (n int) {
 	return sovService(uint64((x << 1) ^ uint64((int64(x) >> 63))))
 }
+func (m *GetTxsEventRequest) 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: GetTxsEventRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: GetTxsEventRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Event", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowService
+				}
+				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 ErrInvalidLengthService
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthService
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Event = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		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 {
+				return ErrInvalidLengthService
+			}
+			if (iNdEx + skippy) < 0 {
+				return ErrInvalidLengthService
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *GetTxsEventResponse) 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: GetTxsEventResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: GetTxsEventResponse: 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 TxResponses", 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.TxResponses = append(m.TxResponses, &types.TxResponse{})
+			if err := m.TxResponses[len(m.TxResponses)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 3:
+			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 {
+				return ErrInvalidLengthService
+			}
+			if (iNdEx + skippy) < 0 {
+				return ErrInvalidLengthService
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *SimulateRequest) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -968,6 +1590,42 @@ func (m *GetTxResponse) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field TxResponse", 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.TxResponse == nil {
+				m.TxResponse = &types.TxResponse{}
+			}
+			if err := m.TxResponse.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipService(dAtA[iNdEx:])

types/tx/service.pb.gw.go

@@ -121,6 +121,42 @@ func local_request_Service_GetTx_0(ctx context.Context, marshaler runtime.Marsha
 
 }
 
+var (
+	filter_Service_GetTxsEvent_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
+func request_Service_GetTxsEvent_0(ctx context.Context, marshaler runtime.Marshaler, client ServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetTxsEventRequest
+	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_Service_GetTxsEvent_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.GetTxsEvent(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Service_GetTxsEvent_0(ctx context.Context, marshaler runtime.Marshaler, server ServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetTxsEventRequest
+	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_Service_GetTxsEvent_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.GetTxsEvent(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.
@@ -167,6 +203,26 @@ func RegisterServiceHandlerServer(ctx context.Context, mux *runtime.ServeMux, se
 
 	})
 
+	mux.Handle("GET", pattern_Service_GetTxsEvent_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_GetTxsEvent_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_GetTxsEvent_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -248,6 +304,26 @@ func RegisterServiceHandlerClient(ctx context.Context, mux *runtime.ServeMux, cl
 
 	})
 
+	mux.Handle("GET", pattern_Service_GetTxsEvent_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_GetTxsEvent_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_GetTxsEvent_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -255,10 +331,14 @@ var (
 	pattern_Service_Simulate_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"cosmos", "tx", "v1beta1", "simulate"}, "", runtime.AssumeColonVerbOpt(true)))
 
 	pattern_Service_GetTx_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 1, 1, 0, 4, 1, 5, 3}, []string{"cosmos", "tx", "v1beta1", "hash"}, "", runtime.AssumeColonVerbOpt(true)))
+
+	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(true)))
 )
 
 var (
 	forward_Service_Simulate_0 = runtime.ForwardResponseMessage
 
 	forward_Service_GetTx_0 = runtime.ForwardResponseMessage
+
+	forward_Service_GetTxsEvent_0 = runtime.ForwardResponseMessage
 )

x/auth/tx/service.go

@@ -3,16 +3,22 @@ package tx
 import (
 	"context"
 	"encoding/hex"
+	"fmt"
+	"strings"
 
 	gogogrpc "github.com/gogo/protobuf/grpc"
 	"github.com/grpc-ecosystem/grpc-gateway/runtime"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 
+	abci "github.com/tendermint/tendermint/abci/types"
+	tmtypes "github.com/tendermint/tendermint/types"
+
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/codec"
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	pagination "github.com/cosmos/cosmos-sdk/types/query"
 	txtypes "github.com/cosmos/cosmos-sdk/types/tx"
 )
 
@@ -37,6 +43,89 @@ func NewTxServer(clientCtx client.Context, simulate baseAppSimulateFn, interface
 
 var _ txtypes.ServiceServer = txServer{}
 
+const (
+	eventFormat = "{eventType}.{eventAttribute}={value}"
+)
+
+// TxsByEvents implements the ServiceServer.TxsByEvents RPC method.
+func (s txServer) GetTxsEvent(ctx context.Context, req *txtypes.GetTxsEventRequest) (*txtypes.GetTxsEventResponse, error) {
+	offset := int(req.Pagination.Offset)
+	limit := int(req.Pagination.Limit)
+	if offset < 0 {
+		return nil, status.Error(codes.InvalidArgument, "offset must greater than 0")
+	}
+	if len(req.Event) == 0 {
+		return nil, status.Error(codes.InvalidArgument, "must declare at least one event to search")
+	}
+
+	if limit < 0 {
+		return nil, status.Error(codes.InvalidArgument, "limit must greater than 0")
+	} else if limit == 0 {
+		limit = pagination.DefaultLimit
+	}
+
+	page := offset/limit + 1
+
+	var events []string
+
+	if strings.Contains(req.Event, "&") {
+		events = strings.Split(req.Event, "&")
+	} else {
+		events = append(events, req.Event)
+	}
+	tmEvents := make([]string, len(events))
+	for i, event := range events {
+		if !strings.Contains(event, "=") {
+			return nil, status.Error(codes.InvalidArgument, fmt.Sprintf("invalid event; event %s should be of the format: %s", event, eventFormat))
+		} else if strings.Count(event, "=") > 1 {
+			return nil, status.Error(codes.InvalidArgument, fmt.Sprintf("invalid event; event %s should be of the format: %s", event, eventFormat))
+		}
+
+		tokens := strings.Split(event, "=")
+		if tokens[0] == tmtypes.TxHeightKey {
+			event = fmt.Sprintf("%s=%s", tokens[0], tokens[1])
+		} else {
+			event = fmt.Sprintf("%s='%s'", tokens[0], tokens[1])
+		}
+
+		tmEvents[i] = event
+	}
+
+	query := strings.Join(tmEvents, " AND ")
+
+	result, err := s.clientCtx.Client.TxSearch(ctx, query, false, &page, &limit, "")
+	if err != nil {
+		return nil, err
+	}
+
+	// Create a proto codec, we need it to unmarshal the tx bytes.
+	cdc := codec.NewProtoCodec(s.clientCtx.InterfaceRegistry)
+	txRespList := make([]*sdk.TxResponse, len(result.Txs))
+	txsList := make([]*txtypes.Tx, len(result.Txs))
+
+	for i, tx := range result.Txs {
+		txResp := txResultToTxResponse(&tx.TxResult)
+		txResp.Height = tx.Height
+		txResp.TxHash = tx.Hash.String()
+		txRespList[i] = txResp
+
+		var protoTx txtypes.Tx
+		if err := cdc.UnmarshalBinaryBare(tx.Tx, &protoTx); err != nil {
+			return nil, err
+		}
+		txsList[i] = &protoTx
+	}
+
+	return &txtypes.GetTxsEventResponse{
+		Txs:         txsList,
+		TxResponses: txRespList,
+		Pagination: &pagination.PageResponse{
+			Total: uint64(result.TotalCount),
+		},
+	}, nil
+
+}
+
 // Simulate implements the ServiceServer.Simulate RPC method.
 func (s txServer) Simulate(ctx context.Context, req *txtypes.SimulateRequest) (*txtypes.SimulateResponse, error) {
 	if req.Tx == nil {
@@ -80,14 +169,19 @@ func (s txServer) GetTx(ctx context.Context, req *txtypes.GetTxRequest) (*txtype
 
 	// Create a proto codec, we need it to unmarshal the tx bytes.
 	cdc := codec.NewProtoCodec(s.clientCtx.InterfaceRegistry)
-	var protoTx txtypes.Tx
 
+	var protoTx txtypes.Tx
 	if err := cdc.UnmarshalBinaryBare(result.Tx, &protoTx); err != nil {
 		return nil, err
 	}
 
+	txResp := txResultToTxResponse(&result.TxResult)
+	txResp.Height = result.Height
+	txResp.TxHash = result.Hash.String()
+
 	return &txtypes.GetTxResponse{
 		Tx:         &protoTx,
+		TxResponse: txResp,
 	}, nil
 }
 
@@ -109,3 +203,15 @@ func RegisterTxService(
 func RegisterGRPCGatewayRoutes(clientConn gogogrpc.ClientConn, mux *runtime.ServeMux) {
 	txtypes.RegisterServiceHandlerClient(context.Background(), mux, txtypes.NewServiceClient(clientConn))
 }
+
+func txResultToTxResponse(respTx *abci.ResponseDeliverTx) *sdk.TxResponse {
+	logs, _ := sdk.ParseABCILogs(respTx.Log)
+	return &sdk.TxResponse{
+		Code:      respTx.Code,
+		Codespace: respTx.Codespace,
+		GasUsed:   respTx.GasUsed,
+		GasWanted: respTx.GasWanted,
+		Info:      respTx.Info,
+		Logs:      logs,
+	}
+}

x/auth/tx/service_test.go

@@ -15,6 +15,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/testutil/testdata"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	query "github.com/cosmos/cosmos-sdk/types/query"
 	"github.com/cosmos/cosmos-sdk/types/rest"
 	"github.com/cosmos/cosmos-sdk/types/tx"
 	"github.com/cosmos/cosmos-sdk/types/tx/signing"
@@ -99,6 +100,55 @@ func (s IntegrationTestSuite) TestSimulate() {
 	s.Require().True(res.GetGasInfo().GetGasUsed() > 0)    // Gas used sometimes change, just check it's not empty.
 }
 
+func (s IntegrationTestSuite) TestGetTxEvents() {
+	val := s.network.Validators[0]
+
+	// Create a new MsgSend tx from val to itself.
+	out, err := bankcli.MsgSendExec(
+		val.ClientCtx,
+		val.Address,
+		val.Address,
+		sdk.NewCoins(
+			sdk.NewCoin(s.cfg.BondDenom, sdk.NewInt(10)),
+		),
+		fmt.Sprintf("--%s=true", flags.FlagSkipConfirmation),
+		fmt.Sprintf("--%s=%s", flags.FlagBroadcastMode, flags.BroadcastBlock),
+		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.FlagMemo),
+	)
+	s.Require().NoError(err)
+	var txRes sdk.TxResponse
+	s.Require().NoError(val.ClientCtx.JSONMarshaler.UnmarshalJSON(out.Bytes(), &txRes))
+	s.Require().Equal(uint32(0), txRes.Code)
+
+	s.Require().NoError(s.network.WaitForNextBlock())
+
+	// Query the tx via gRPC.
+	grpcRes, err := s.queryClient.GetTxsEvent(
+		context.Background(),
+		&tx.GetTxsEventRequest{Event: "message.action=send",
+			Pagination: &query.PageRequest{
+				CountTotal: false,
+				Offset:     0,
+				Limit:      1,
+			},
+		},
+	)
+	s.Require().NoError(err)
+	s.Require().Equal(len(grpcRes.Txs), 1)
+	s.Require().Equal("foobar", grpcRes.Txs[0].Body.Memo)
+
+	// Query the tx via grpc-gateway.
+	restRes, err := rest.GetRequest(fmt.Sprintf("%s/cosmos/tx/v1beta1/txs?event=%s&pagination.offset=%d&pagination.limit=%d", val.APIAddress, "message.action=send", 0, 1))
+	s.Require().NoError(err)
+	var getTxRes tx.GetTxsEventResponse
+	s.Require().NoError(val.ClientCtx.JSONMarshaler.UnmarshalJSON(restRes, &getTxRes))
+	s.Require().Equal(len(grpcRes.Txs), 1)
+	s.Require().Equal("foobar", getTxRes.Txs[0].Body.Memo)
+	s.Require().NotZero(grpcRes.TxResponses[0].Height)
+}
+
 func (s IntegrationTestSuite) TestGetTx() {
 	val := s.network.Validators[0]
 
@@ -130,13 +180,15 @@ func (s IntegrationTestSuite) TestGetTx() {
 	)
 	s.Require().NoError(err)
 	s.Require().Equal("foobar", grpcRes.Tx.Body.Memo)
+	s.Require().NotZero(grpcRes.TxResponse.Height)
 
 	// Query the tx via grpc-gateway.
 	restRes, err := rest.GetRequest(fmt.Sprintf("%s/cosmos/tx/v1beta1/tx/%s", val.APIAddress, txRes.TxHash))
 	s.Require().NoError(err)
 	var getTxRes tx.GetTxResponse
 	s.Require().NoError(val.ClientCtx.JSONMarshaler.UnmarshalJSON(restRes, &getTxRes))
-	s.Require().Equal("foobar", getTxRes.Tx.Body.Memo)
+	s.Require().Equal("foobar", grpcRes.Tx.Body.Memo)
+	s.Require().NotZero(grpcRes.TxResponse.Height)
 }
 
 func TestIntegrationTestSuite(t *testing.T) {