diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 56bb73d0d..6a8bebc7d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,3 +42,4 @@ jobs:
         run: choco upgrade mingw cmake -y --no-progress
       - run: go test ./...
 
+
diff --git a/go.mod b/go.mod
index e7ef49b84..f3a48c2dc 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,6 @@ go 1.16
 require (
 	github.com/VictoriaMetrics/metrics v1.17.3
 	github.com/c2h5oh/datasize v0.0.0-20200825124411-48ed595a09d2
-	github.com/go-stack/stack v1.8.0
 	github.com/golang/protobuf v1.5.2
 	github.com/google/btree v1.0.1
 	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d
diff --git a/gointerfaces/remote/kv.pb.go b/gointerfaces/remote/kv.pb.go
index 096d3976e..a6f94e6ce 100644
--- a/gointerfaces/remote/kv.pb.go
+++ b/gointerfaces/remote/kv.pb.go
@@ -507,6 +507,7 @@ type StateChange struct {
 	BlockHeight uint64           `protobuf:"varint,2,opt,name=blockHeight,proto3" json:"blockHeight,omitempty"`
 	BlockHash   *types.H256      `protobuf:"bytes,3,opt,name=blockHash,proto3" json:"blockHash,omitempty"`
 	Changes     []*AccountChange `protobuf:"bytes,4,rep,name=changes,proto3" json:"changes,omitempty"`
+	Txs         [][]byte         `protobuf:"bytes,5,rep,name=txs,proto3" json:"txs,omitempty"`
 }
 
 func (x *StateChange) Reset() {
@@ -569,6 +570,68 @@ func (x *StateChange) GetChanges() []*AccountChange {
 	return nil
 }
 
+func (x *StateChange) GetTxs() [][]byte {
+	if x != nil {
+		return x.Txs
+	}
+	return nil
+}
+
+type StateChangeRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	WithStorage      bool `protobuf:"varint,1,opt,name=withStorage,proto3" json:"withStorage,omitempty"`
+	WithTransactions bool `protobuf:"varint,2,opt,name=withTransactions,proto3" json:"withTransactions,omitempty"`
+}
+
+func (x *StateChangeRequest) Reset() {
+	*x = StateChangeRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_remote_kv_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StateChangeRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StateChangeRequest) ProtoMessage() {}
+
+func (x *StateChangeRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_remote_kv_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StateChangeRequest.ProtoReflect.Descriptor instead.
+func (*StateChangeRequest) Descriptor() ([]byte, []int) {
+	return file_remote_kv_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *StateChangeRequest) GetWithStorage() bool {
+	if x != nil {
+		return x.WithStorage
+	}
+	return false
+}
+
+func (x *StateChangeRequest) GetWithTransactions() bool {
+	if x != nil {
+		return x.WithTransactions
+	}
+	return false
+}
+
 var File_remote_kv_proto protoreflect.FileDescriptor
 
 var file_remote_kv_proto_rawDesc = []byte{
@@ -607,7 +670,7 @@ var file_remote_kv_proto_rawDesc = []byte{
 	0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x43, 0x68, 0x61, 0x6e, 0x67, 0x65, 0x73, 0x18, 0x06,
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@@ -619,41 +682,48 @@ var file_remote_kv_proto_rawDesc = []byte{
 	0x62, 0x6c, 0x6f, 0x63, 0x6b, 0x48, 0x61, 0x73, 0x68, 0x12, 0x2f, 0x0a, 0x07, 0x63, 0x68, 0x61,
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 }
 
 var (
@@ -669,7 +739,7 @@ func file_remote_kv_proto_rawDescGZIP() []byte {
 }
 
 var file_remote_kv_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
-var file_remote_kv_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_remote_kv_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_remote_kv_proto_goTypes = []interface{}{
 	(Op)(0),                    // 0: remote.Op
 	(Action)(0),                // 1: remote.Action
@@ -679,26 +749,27 @@ var file_remote_kv_proto_goTypes = []interface{}{
 	(*StorageChange)(nil),      // 5: remote.StorageChange
 	(*AccountChange)(nil),      // 6: remote.AccountChange
 	(*StateChange)(nil),        // 7: remote.StateChange
-	(*types.H256)(nil),         // 8: types.H256
-	(*types.H160)(nil),         // 9: types.H160
-	(*emptypb.Empty)(nil),      // 10: google.protobuf.Empty
-	(*types.VersionReply)(nil), // 11: types.VersionReply
+	(*StateChangeRequest)(nil), // 8: remote.StateChangeRequest
+	(*types.H256)(nil),         // 9: types.H256
+	(*types.H160)(nil),         // 10: types.H160
+	(*emptypb.Empty)(nil),      // 11: google.protobuf.Empty
+	(*types.VersionReply)(nil), // 12: types.VersionReply
 }
 var file_remote_kv_proto_depIdxs = []int32{
 	0,  // 0: remote.Cursor.op:type_name -> remote.Op
-	8,  // 1: remote.StorageChange.location:type_name -> types.H256
-	9,  // 2: remote.AccountChange.address:type_name -> types.H160
+	9,  // 1: remote.StorageChange.location:type_name -> types.H256
+	10, // 2: remote.AccountChange.address:type_name -> types.H160
 	1,  // 3: remote.AccountChange.action:type_name -> remote.Action
 	5,  // 4: remote.AccountChange.storageChanges:type_name -> remote.StorageChange
 	2,  // 5: remote.StateChange.direction:type_name -> remote.Direction
-	8,  // 6: remote.StateChange.blockHash:type_name -> types.H256
+	9,  // 6: remote.StateChange.blockHash:type_name -> types.H256
 	6,  // 7: remote.StateChange.changes:type_name -> remote.AccountChange
-	10, // 8: remote.KV.Version:input_type -> google.protobuf.Empty
+	11, // 8: remote.KV.Version:input_type -> google.protobuf.Empty
 	3,  // 9: remote.KV.Tx:input_type -> remote.Cursor
-	10, // 10: remote.KV.ReceiveStateChanges:input_type -> google.protobuf.Empty
-	11, // 11: remote.KV.Version:output_type -> types.VersionReply
+	8,  // 10: remote.KV.StateChanges:input_type -> remote.StateChangeRequest
+	12, // 11: remote.KV.Version:output_type -> types.VersionReply
 	4,  // 12: remote.KV.Tx:output_type -> remote.Pair
-	7,  // 13: remote.KV.ReceiveStateChanges:output_type -> remote.StateChange
+	7,  // 13: remote.KV.StateChanges:output_type -> remote.StateChange
 	11, // [11:14] is the sub-list for method output_type
 	8,  // [8:11] is the sub-list for method input_type
 	8,  // [8:8] is the sub-list for extension type_name
@@ -772,6 +843,18 @@ func file_remote_kv_proto_init() {
 				return nil
 			}
 		}
+		file_remote_kv_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*StateChangeRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -779,7 +862,7 @@ func file_remote_kv_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_remote_kv_proto_rawDesc,
 			NumEnums:      3,
-			NumMessages:   5,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/gointerfaces/remote/kv_grpc.pb.go b/gointerfaces/remote/kv_grpc.pb.go
index 923d288e3..516a8f1a8 100644
--- a/gointerfaces/remote/kv_grpc.pb.go
+++ b/gointerfaces/remote/kv_grpc.pb.go
@@ -24,7 +24,7 @@ type KVClient interface {
 	Version(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*types.VersionReply, error)
 	// Tx exposes read-only transactions for the key-value store
 	Tx(ctx context.Context, opts ...grpc.CallOption) (KV_TxClient, error)
-	ReceiveStateChanges(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (KV_ReceiveStateChangesClient, error)
+	StateChanges(ctx context.Context, in *StateChangeRequest, opts ...grpc.CallOption) (KV_StateChangesClient, error)
 }
 
 type kVClient struct {
@@ -75,12 +75,12 @@ func (x *kVTxClient) Recv() (*Pair, error) {
 	return m, nil
 }
 
-func (c *kVClient) ReceiveStateChanges(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (KV_ReceiveStateChangesClient, error) {
-	stream, err := c.cc.NewStream(ctx, &KV_ServiceDesc.Streams[1], "/remote.KV/ReceiveStateChanges", opts...)
+func (c *kVClient) StateChanges(ctx context.Context, in *StateChangeRequest, opts ...grpc.CallOption) (KV_StateChangesClient, error) {
+	stream, err := c.cc.NewStream(ctx, &KV_ServiceDesc.Streams[1], "/remote.KV/StateChanges", opts...)
 	if err != nil {
 		return nil, err
 	}
-	x := &kVReceiveStateChangesClient{stream}
+	x := &kVStateChangesClient{stream}
 	if err := x.ClientStream.SendMsg(in); err != nil {
 		return nil, err
 	}
@@ -90,16 +90,16 @@ func (c *kVClient) ReceiveStateChanges(ctx context.Context, in *emptypb.Empty, o
 	return x, nil
 }
 
-type KV_ReceiveStateChangesClient interface {
+type KV_StateChangesClient interface {
 	Recv() (*StateChange, error)
 	grpc.ClientStream
 }
 
-type kVReceiveStateChangesClient struct {
+type kVStateChangesClient struct {
 	grpc.ClientStream
 }
 
-func (x *kVReceiveStateChangesClient) Recv() (*StateChange, error) {
+func (x *kVStateChangesClient) Recv() (*StateChange, error) {
 	m := new(StateChange)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
@@ -115,7 +115,7 @@ type KVServer interface {
 	Version(context.Context, *emptypb.Empty) (*types.VersionReply, error)
 	// Tx exposes read-only transactions for the key-value store
 	Tx(KV_TxServer) error
-	ReceiveStateChanges(*emptypb.Empty, KV_ReceiveStateChangesServer) error
+	StateChanges(*StateChangeRequest, KV_StateChangesServer) error
 	mustEmbedUnimplementedKVServer()
 }
 
@@ -129,8 +129,8 @@ func (UnimplementedKVServer) Version(context.Context, *emptypb.Empty) (*types.Ve
 func (UnimplementedKVServer) Tx(KV_TxServer) error {
 	return status.Errorf(codes.Unimplemented, "method Tx not implemented")
 }
-func (UnimplementedKVServer) ReceiveStateChanges(*emptypb.Empty, KV_ReceiveStateChangesServer) error {
-	return status.Errorf(codes.Unimplemented, "method ReceiveStateChanges not implemented")
+func (UnimplementedKVServer) StateChanges(*StateChangeRequest, KV_StateChangesServer) error {
+	return status.Errorf(codes.Unimplemented, "method StateChanges not implemented")
 }
 func (UnimplementedKVServer) mustEmbedUnimplementedKVServer() {}
 
@@ -189,24 +189,24 @@ func (x *kVTxServer) Recv() (*Cursor, error) {
 	return m, nil
 }
 
-func _KV_ReceiveStateChanges_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(emptypb.Empty)
+func _KV_StateChanges_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(StateChangeRequest)
 	if err := stream.RecvMsg(m); err != nil {
 		return err
 	}
-	return srv.(KVServer).ReceiveStateChanges(m, &kVReceiveStateChangesServer{stream})
+	return srv.(KVServer).StateChanges(m, &kVStateChangesServer{stream})
 }
 
-type KV_ReceiveStateChangesServer interface {
+type KV_StateChangesServer interface {
 	Send(*StateChange) error
 	grpc.ServerStream
 }
 
-type kVReceiveStateChangesServer struct {
+type kVStateChangesServer struct {
 	grpc.ServerStream
 }
 
-func (x *kVReceiveStateChangesServer) Send(m *StateChange) error {
+func (x *kVStateChangesServer) Send(m *StateChange) error {
 	return x.ServerStream.SendMsg(m)
 }
 
@@ -230,8 +230,8 @@ var KV_ServiceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 		{
-			StreamName:    "ReceiveStateChanges",
-			Handler:       _KV_ReceiveStateChanges_Handler,
+			StreamName:    "StateChanges",
+			Handler:       _KV_StateChanges_Handler,
 			ServerStreams: true,
 		},
 	},
diff --git a/interfaces/remote/kv.proto b/interfaces/remote/kv.proto
index 1ee34111a..db7f3a711 100644
--- a/interfaces/remote/kv.proto
+++ b/interfaces/remote/kv.proto
@@ -15,7 +15,7 @@ service KV {
   // Tx exposes read-only transactions for the key-value store
   rpc Tx(stream Cursor) returns (stream Pair);
 
-  rpc ReceiveStateChanges(google.protobuf.Empty) returns (stream StateChange);
+  rpc StateChanges(StateChangeRequest) returns (stream StateChange);
 }
 
 enum Op {
@@ -85,4 +85,10 @@ message StateChange {
   uint64 blockHeight = 2;
   types.H256 blockHash = 3;
   repeated AccountChange changes = 4;
-}
\ No newline at end of file
+  repeated bytes txs = 5;
+}
+
+message StateChangeRequest {
+  bool withStorage = 1;
+  bool withTransactions = 2;
+}