diff --git a/api/smm_core.proto b/api/smm_core.proto
index 81295dd..40f641a 100644
--- a/api/smm_core.proto
+++ b/api/smm_core.proto
@@ -10,6 +10,8 @@ option go_package = "pkg/proto";
 option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_swagger) = {};
 
 service SmmCore {
+
+    // ping
     rpc Ping(PingReq) returns (PingRsp) {
         option (google.api.http) = {
           get: "/ping"
@@ -17,15 +19,62 @@ service SmmCore {
     }
 
     // users
-    rpc AddUser(CreateUserReq) returns (User) {
+    rpc AddUser(AddUserReq) returns (User) {
       option (google.api.http) = {
         post: "/users",
         body: "*"
       };
     }
+    rpc Login(LoginReq) returns (User) {
+      option (google.api.http) = {
+        post: "/login",
+        body: "*"
+      };
+    }
+
+    // budgets
+    rpc AddBudget(AddBudgetReq) returns (Budget) {
+      option (google.api.http) = {
+        post: "/budgets",
+        body: "*"
+      };
+    }
+    rpc UpdateBudget(UpdateBudgetReq) returns (Budget) {
+      option (google.api.http) = {
+        put: "/budgets/{id}",
+        body: "*"
+      };
+    }
+    rpc GetBudgets(GetBudgetsReq) returns (Budgets) {
+      option (google.api.http) = {
+        get: "/budgets"
+      };
+    }
+    rpc DeleteBudget(DeleteBudgetReq) returns (Budget) {
+      option (google.api.http) = {
+        delete: "/budgets/{id}"
+      };
+    }
+
+    // budget users
+    rpc AddUserToBudget(AddUserToBudgetReq) returns (Budget) {
+      option (google.api.http) = {
+        put: "/budgets/{budget_id}/users"
+      };
+    }
+    rpc GetBudgetUsers(GetBudgetUsersReq) returns (Users) {
+      option (google.api.http) = {
+        get: "/budgets/{id}/users"
+      };
+    }
+    rpc RemoveUserFromBudget(RemoveUserFromBudgetReq) returns (Budget) {
+      option (google.api.http) = {
+        delete: "/budgets/{budget_id}/users/{user_id}"
+      };
+    }
 
     // categories
-    rpc AddCategory(CreateCategoryReq) returns (Category) {
+    rpc AddCategory(AddCategoryReq) returns (Category) {
       option (google.api.http) = {
         post: "/categories",
         body: "*"
@@ -36,51 +85,168 @@ service SmmCore {
         put: "/categories/{id}"
       };
     }
-    rpc GetCategories(CategoryFilterReq) returns (Categories) {
+    rpc GetCategories(GetCategoriesReq) returns (Categories) {
       option (google.api.http) = {
         get: "/categories"
       };
     }
+    rpc DeleteCategories(DeleteCategoriesReq) returns (Category) {
+      option (google.api.http) = {
+        delete: "/categories/{id}"
+      };
+    }
+
+    // positions
+    rpc AddPosition(AddPositionReq) returns (Position) {
+      option (google.api.http) = {
+        post: "/positions",
+        body: "*"
+      };
+    }
+    rpc DeletePosition(DeletePositionReq) returns (Position) {
+      option (google.api.http) = {
+        delete: "/positions/{id}"
+      };
+    }
+
+    // stat
+    rpc GetCategoriesStat(GetCategoriesStatReq) returns (CategoriesStat) {
+      option (google.api.http) = {
+        get: "/stat"
+      };
+    }
 }
 
 message PingReq {}
 
 message PingRsp {}
 
-message CreateUserReq {
+message AddUserReq {
   string username = 1;
   string password = 2;
 }
 
 message User {
-  int32 id = 1;
+  string id = 1;
   string username = 2;
 }
 
-message CreateCategoryReq {
+message LoginReq {
+  string username = 1;
+  string password = 2;
+}
+
+message AddBudgetReq {
   string name = 1;
-  bool favorite = 2;
+  int32 start_day = 2;
   int32 monthly_limit = 3;
 }
 
-message UpdateCategoryReq {
-  int32 id = 1;
+message Budget {
+  string id = 1;
   string name = 2;
+  int32 start_day = 3;
+  int32 monthly_limit = 4;
+}
+
+message UpdateBudgetReq {
+  string id = 1;
+  string name = 2;
+  int32 start_day = 3;
+  int32 monthly_limit = 4;
+}
+
+message GetBudgetsReq {}
+
+message Budgets {
+  repeated Budget budgets = 1;
+}
+
+message DeleteBudgetReq {
+  string id = 1;
+}
+
+message AddUserToBudgetReq {
+  string user_id = 1;
+  string budget_id = 2;
+}
+
+message GetBudgetUsersReq {
+  string id = 1;
+}
+
+message Users {
+  repeated User users = 1;
+}
+
+message RemoveUserFromBudgetReq {
+  string user_id = 1;
+  string budget_id = 2;
+}
+
+message AddCategoryReq {
+  string name = 1;
+  int32 budget_id = 2;
   bool favorite = 3;
   int32 monthly_limit = 4;
 }
 
 message Category {
-  int32 id = 1;
+  string id = 1;
   string name = 2;
+  int32 budget_id = 3;
   bool favorite = 4;
   int32 monthly_limit = 5;
 }
 
-message CategoryFilterReq {
+message UpdateCategoryReq {
+  string id = 1;
+  string name = 2;
+  bool favorite = 3;
+  int32 monthly_limit = 4;
+}
+
+message GetCategoriesReq {
   bool favorite = 1;
+  int32 budget_id = 2;
 }
 
 message Categories {
   repeated Category categories = 1;
 }
+
+message DeleteCategoriesReq {
+  string id = 1;
+}
+
+message AddPositionReq {
+  string name = 1;
+  int32 price = 2;
+  float amount = 3;
+  int32 category_id = 4;
+}
+
+message Position {
+  string id = 1;
+  string name = 2;
+  int32 price = 3;
+  float amount = 4;
+}
+
+message DeletePositionReq {
+  string id = 1;
+}
+
+message GetCategoriesStatReq {
+  repeated int32 ids = 1;
+}
+
+message CategoriesStat {
+  repeated CategoriesStat stat = 1;
+}
+
+message CategoryStat {
+  string name = 1;
+  int32 monthly_limit = 2;
+  int32 amount = 3;
+}
diff --git a/proto/smm_core.pb.go b/proto/smm_core.pb.go
index f3a14a6..acfd97d 100644
--- a/proto/smm_core.pb.go
+++ b/proto/smm_core.pb.go
@@ -94,7 +94,7 @@ func (*PingRsp) Descriptor() ([]byte, []int) {
 	return file_smm_core_proto_rawDescGZIP(), []int{1}
 }
 
-type CreateUserReq struct {
+type AddUserReq struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
@@ -103,20 +103,20 @@ type CreateUserReq struct {
 	Password string `protobuf:"bytes,2,opt,name=password,proto3" json:"password,omitempty"`
 }
 
-func (x *CreateUserReq) Reset() {
-	*x = CreateUserReq{}
+func (x *AddUserReq) Reset() {
+	*x = AddUserReq{}
 	mi := &file_smm_core_proto_msgTypes[2]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
 
-func (x *CreateUserReq) String() string {
+func (x *AddUserReq) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*CreateUserReq) ProtoMessage() {}
+func (*AddUserReq) ProtoMessage() {}
 
-func (x *CreateUserReq) ProtoReflect() protoreflect.Message {
+func (x *AddUserReq) ProtoReflect() protoreflect.Message {
 	mi := &file_smm_core_proto_msgTypes[2]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -128,19 +128,19 @@ func (x *CreateUserReq) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use CreateUserReq.ProtoReflect.Descriptor instead.
-func (*CreateUserReq) Descriptor() ([]byte, []int) {
+// Deprecated: Use AddUserReq.ProtoReflect.Descriptor instead.
+func (*AddUserReq) Descriptor() ([]byte, []int) {
 	return file_smm_core_proto_rawDescGZIP(), []int{2}
 }
 
-func (x *CreateUserReq) GetUsername() string {
+func (x *AddUserReq) GetUsername() string {
 	if x != nil {
 		return x.Username
 	}
 	return ""
 }
 
-func (x *CreateUserReq) GetPassword() string {
+func (x *AddUserReq) GetPassword() string {
 	if x != nil {
 		return x.Password
 	}
@@ -152,7 +152,7 @@ type User struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Id       int32  `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Id       string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 	Username string `protobuf:"bytes,2,opt,name=username,proto3" json:"username,omitempty"`
 }
 
@@ -186,11 +186,11 @@ func (*User) Descriptor() ([]byte, []int) {
 	return file_smm_core_proto_rawDescGZIP(), []int{3}
 }
 
-func (x *User) GetId() int32 {
+func (x *User) GetId() string {
 	if x != nil {
 		return x.Id
 	}
-	return 0
+	return ""
 }
 
 func (x *User) GetUsername() string {
@@ -200,30 +200,29 @@ func (x *User) GetUsername() string {
 	return ""
 }
 
-type CreateCategoryReq struct {
+type LoginReq struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Name         string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Favorite     bool   `protobuf:"varint,2,opt,name=favorite,proto3" json:"favorite,omitempty"`
-	MonthlyLimit int32  `protobuf:"varint,3,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
+	Username string `protobuf:"bytes,1,opt,name=username,proto3" json:"username,omitempty"`
+	Password string `protobuf:"bytes,2,opt,name=password,proto3" json:"password,omitempty"`
 }
 
-func (x *CreateCategoryReq) Reset() {
-	*x = CreateCategoryReq{}
+func (x *LoginReq) Reset() {
+	*x = LoginReq{}
 	mi := &file_smm_core_proto_msgTypes[4]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
 
-func (x *CreateCategoryReq) String() string {
+func (x *LoginReq) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*CreateCategoryReq) ProtoMessage() {}
+func (*LoginReq) ProtoMessage() {}
 
-func (x *CreateCategoryReq) ProtoReflect() protoreflect.Message {
+func (x *LoginReq) ProtoReflect() protoreflect.Message {
 	mi := &file_smm_core_proto_msgTypes[4]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@@ -235,26 +234,686 @@ func (x *CreateCategoryReq) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use CreateCategoryReq.ProtoReflect.Descriptor instead.
-func (*CreateCategoryReq) Descriptor() ([]byte, []int) {
+// Deprecated: Use LoginReq.ProtoReflect.Descriptor instead.
+func (*LoginReq) Descriptor() ([]byte, []int) {
 	return file_smm_core_proto_rawDescGZIP(), []int{4}
 }
 
-func (x *CreateCategoryReq) GetName() string {
+func (x *LoginReq) GetUsername() string {
+	if x != nil {
+		return x.Username
+	}
+	return ""
+}
+
+func (x *LoginReq) GetPassword() string {
+	if x != nil {
+		return x.Password
+	}
+	return ""
+}
+
+type AddBudgetReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name         string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	StartDay     int32  `protobuf:"varint,2,opt,name=start_day,json=startDay,proto3" json:"start_day,omitempty"`
+	MonthlyLimit int32  `protobuf:"varint,3,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
+}
+
+func (x *AddBudgetReq) Reset() {
+	*x = AddBudgetReq{}
+	mi := &file_smm_core_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AddBudgetReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AddBudgetReq) ProtoMessage() {}
+
+func (x *AddBudgetReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[5]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AddBudgetReq.ProtoReflect.Descriptor instead.
+func (*AddBudgetReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *AddBudgetReq) GetName() string {
 	if x != nil {
 		return x.Name
 	}
 	return ""
 }
 
-func (x *CreateCategoryReq) GetFavorite() bool {
+func (x *AddBudgetReq) GetStartDay() int32 {
+	if x != nil {
+		return x.StartDay
+	}
+	return 0
+}
+
+func (x *AddBudgetReq) GetMonthlyLimit() int32 {
+	if x != nil {
+		return x.MonthlyLimit
+	}
+	return 0
+}
+
+type Budget struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id           string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name         string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	StartDay     int32  `protobuf:"varint,3,opt,name=start_day,json=startDay,proto3" json:"start_day,omitempty"`
+	MonthlyLimit int32  `protobuf:"varint,4,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
+}
+
+func (x *Budget) Reset() {
+	*x = Budget{}
+	mi := &file_smm_core_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Budget) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Budget) ProtoMessage() {}
+
+func (x *Budget) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Budget.ProtoReflect.Descriptor instead.
+func (*Budget) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *Budget) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Budget) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Budget) GetStartDay() int32 {
+	if x != nil {
+		return x.StartDay
+	}
+	return 0
+}
+
+func (x *Budget) GetMonthlyLimit() int32 {
+	if x != nil {
+		return x.MonthlyLimit
+	}
+	return 0
+}
+
+type UpdateBudgetReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id           string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name         string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	StartDay     int32  `protobuf:"varint,3,opt,name=start_day,json=startDay,proto3" json:"start_day,omitempty"`
+	MonthlyLimit int32  `protobuf:"varint,4,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
+}
+
+func (x *UpdateBudgetReq) Reset() {
+	*x = UpdateBudgetReq{}
+	mi := &file_smm_core_proto_msgTypes[7]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *UpdateBudgetReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateBudgetReq) ProtoMessage() {}
+
+func (x *UpdateBudgetReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[7]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateBudgetReq.ProtoReflect.Descriptor instead.
+func (*UpdateBudgetReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *UpdateBudgetReq) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *UpdateBudgetReq) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *UpdateBudgetReq) GetStartDay() int32 {
+	if x != nil {
+		return x.StartDay
+	}
+	return 0
+}
+
+func (x *UpdateBudgetReq) GetMonthlyLimit() int32 {
+	if x != nil {
+		return x.MonthlyLimit
+	}
+	return 0
+}
+
+type GetBudgetsReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *GetBudgetsReq) Reset() {
+	*x = GetBudgetsReq{}
+	mi := &file_smm_core_proto_msgTypes[8]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetBudgetsReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetBudgetsReq) ProtoMessage() {}
+
+func (x *GetBudgetsReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[8]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetBudgetsReq.ProtoReflect.Descriptor instead.
+func (*GetBudgetsReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{8}
+}
+
+type Budgets struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Budgets []*Budget `protobuf:"bytes,1,rep,name=budgets,proto3" json:"budgets,omitempty"`
+}
+
+func (x *Budgets) Reset() {
+	*x = Budgets{}
+	mi := &file_smm_core_proto_msgTypes[9]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Budgets) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Budgets) ProtoMessage() {}
+
+func (x *Budgets) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[9]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Budgets.ProtoReflect.Descriptor instead.
+func (*Budgets) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *Budgets) GetBudgets() []*Budget {
+	if x != nil {
+		return x.Budgets
+	}
+	return nil
+}
+
+type DeleteBudgetReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *DeleteBudgetReq) Reset() {
+	*x = DeleteBudgetReq{}
+	mi := &file_smm_core_proto_msgTypes[10]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *DeleteBudgetReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteBudgetReq) ProtoMessage() {}
+
+func (x *DeleteBudgetReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[10]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteBudgetReq.ProtoReflect.Descriptor instead.
+func (*DeleteBudgetReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *DeleteBudgetReq) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+type AddUserToBudgetReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	UserId   string `protobuf:"bytes,1,opt,name=user_id,json=userId,proto3" json:"user_id,omitempty"`
+	BudgetId string `protobuf:"bytes,2,opt,name=budget_id,json=budgetId,proto3" json:"budget_id,omitempty"`
+}
+
+func (x *AddUserToBudgetReq) Reset() {
+	*x = AddUserToBudgetReq{}
+	mi := &file_smm_core_proto_msgTypes[11]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AddUserToBudgetReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AddUserToBudgetReq) ProtoMessage() {}
+
+func (x *AddUserToBudgetReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[11]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AddUserToBudgetReq.ProtoReflect.Descriptor instead.
+func (*AddUserToBudgetReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *AddUserToBudgetReq) GetUserId() string {
+	if x != nil {
+		return x.UserId
+	}
+	return ""
+}
+
+func (x *AddUserToBudgetReq) GetBudgetId() string {
+	if x != nil {
+		return x.BudgetId
+	}
+	return ""
+}
+
+type GetBudgetUsersReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *GetBudgetUsersReq) Reset() {
+	*x = GetBudgetUsersReq{}
+	mi := &file_smm_core_proto_msgTypes[12]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetBudgetUsersReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetBudgetUsersReq) ProtoMessage() {}
+
+func (x *GetBudgetUsersReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[12]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetBudgetUsersReq.ProtoReflect.Descriptor instead.
+func (*GetBudgetUsersReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *GetBudgetUsersReq) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+type Users struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Users []*User `protobuf:"bytes,1,rep,name=users,proto3" json:"users,omitempty"`
+}
+
+func (x *Users) Reset() {
+	*x = Users{}
+	mi := &file_smm_core_proto_msgTypes[13]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Users) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Users) ProtoMessage() {}
+
+func (x *Users) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[13]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Users.ProtoReflect.Descriptor instead.
+func (*Users) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *Users) GetUsers() []*User {
+	if x != nil {
+		return x.Users
+	}
+	return nil
+}
+
+type RemoveUserFromBudgetReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	UserId   string `protobuf:"bytes,1,opt,name=user_id,json=userId,proto3" json:"user_id,omitempty"`
+	BudgetId string `protobuf:"bytes,2,opt,name=budget_id,json=budgetId,proto3" json:"budget_id,omitempty"`
+}
+
+func (x *RemoveUserFromBudgetReq) Reset() {
+	*x = RemoveUserFromBudgetReq{}
+	mi := &file_smm_core_proto_msgTypes[14]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *RemoveUserFromBudgetReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoveUserFromBudgetReq) ProtoMessage() {}
+
+func (x *RemoveUserFromBudgetReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[14]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoveUserFromBudgetReq.ProtoReflect.Descriptor instead.
+func (*RemoveUserFromBudgetReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *RemoveUserFromBudgetReq) GetUserId() string {
+	if x != nil {
+		return x.UserId
+	}
+	return ""
+}
+
+func (x *RemoveUserFromBudgetReq) GetBudgetId() string {
+	if x != nil {
+		return x.BudgetId
+	}
+	return ""
+}
+
+type AddCategoryReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name         string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	BudgetId     int32  `protobuf:"varint,2,opt,name=budget_id,json=budgetId,proto3" json:"budget_id,omitempty"`
+	Favorite     bool   `protobuf:"varint,3,opt,name=favorite,proto3" json:"favorite,omitempty"`
+	MonthlyLimit int32  `protobuf:"varint,4,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
+}
+
+func (x *AddCategoryReq) Reset() {
+	*x = AddCategoryReq{}
+	mi := &file_smm_core_proto_msgTypes[15]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AddCategoryReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AddCategoryReq) ProtoMessage() {}
+
+func (x *AddCategoryReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[15]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AddCategoryReq.ProtoReflect.Descriptor instead.
+func (*AddCategoryReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *AddCategoryReq) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *AddCategoryReq) GetBudgetId() int32 {
+	if x != nil {
+		return x.BudgetId
+	}
+	return 0
+}
+
+func (x *AddCategoryReq) GetFavorite() bool {
 	if x != nil {
 		return x.Favorite
 	}
 	return false
 }
 
-func (x *CreateCategoryReq) GetMonthlyLimit() int32 {
+func (x *AddCategoryReq) GetMonthlyLimit() int32 {
+	if x != nil {
+		return x.MonthlyLimit
+	}
+	return 0
+}
+
+type Category struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id           string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name         string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	BudgetId     int32  `protobuf:"varint,3,opt,name=budget_id,json=budgetId,proto3" json:"budget_id,omitempty"`
+	Favorite     bool   `protobuf:"varint,4,opt,name=favorite,proto3" json:"favorite,omitempty"`
+	MonthlyLimit int32  `protobuf:"varint,5,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
+}
+
+func (x *Category) Reset() {
+	*x = Category{}
+	mi := &file_smm_core_proto_msgTypes[16]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Category) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Category) ProtoMessage() {}
+
+func (x *Category) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[16]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Category.ProtoReflect.Descriptor instead.
+func (*Category) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *Category) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Category) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Category) GetBudgetId() int32 {
+	if x != nil {
+		return x.BudgetId
+	}
+	return 0
+}
+
+func (x *Category) GetFavorite() bool {
+	if x != nil {
+		return x.Favorite
+	}
+	return false
+}
+
+func (x *Category) GetMonthlyLimit() int32 {
 	if x != nil {
 		return x.MonthlyLimit
 	}
@@ -266,7 +925,7 @@ type UpdateCategoryReq struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Id           int32  `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Id           string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
 	Name         string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
 	Favorite     bool   `protobuf:"varint,3,opt,name=favorite,proto3" json:"favorite,omitempty"`
 	MonthlyLimit int32  `protobuf:"varint,4,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
@@ -274,7 +933,7 @@ type UpdateCategoryReq struct {
 
 func (x *UpdateCategoryReq) Reset() {
 	*x = UpdateCategoryReq{}
-	mi := &file_smm_core_proto_msgTypes[5]
+	mi := &file_smm_core_proto_msgTypes[17]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -286,7 +945,7 @@ func (x *UpdateCategoryReq) String() string {
 func (*UpdateCategoryReq) ProtoMessage() {}
 
 func (x *UpdateCategoryReq) ProtoReflect() protoreflect.Message {
-	mi := &file_smm_core_proto_msgTypes[5]
+	mi := &file_smm_core_proto_msgTypes[17]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -299,14 +958,14 @@ func (x *UpdateCategoryReq) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UpdateCategoryReq.ProtoReflect.Descriptor instead.
 func (*UpdateCategoryReq) Descriptor() ([]byte, []int) {
-	return file_smm_core_proto_rawDescGZIP(), []int{5}
+	return file_smm_core_proto_rawDescGZIP(), []int{17}
 }
 
-func (x *UpdateCategoryReq) GetId() int32 {
+func (x *UpdateCategoryReq) GetId() string {
 	if x != nil {
 		return x.Id
 	}
-	return 0
+	return ""
 }
 
 func (x *UpdateCategoryReq) GetName() string {
@@ -330,32 +989,30 @@ func (x *UpdateCategoryReq) GetMonthlyLimit() int32 {
 	return 0
 }
 
-type Category struct {
+type GetCategoriesReq struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Id           int32  `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
-	Name         string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
-	Favorite     bool   `protobuf:"varint,4,opt,name=favorite,proto3" json:"favorite,omitempty"`
-	MonthlyLimit int32  `protobuf:"varint,5,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
+	Favorite bool  `protobuf:"varint,1,opt,name=favorite,proto3" json:"favorite,omitempty"`
+	BudgetId int32 `protobuf:"varint,2,opt,name=budget_id,json=budgetId,proto3" json:"budget_id,omitempty"`
 }
 
-func (x *Category) Reset() {
-	*x = Category{}
-	mi := &file_smm_core_proto_msgTypes[6]
+func (x *GetCategoriesReq) Reset() {
+	*x = GetCategoriesReq{}
+	mi := &file_smm_core_proto_msgTypes[18]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
 
-func (x *Category) String() string {
+func (x *GetCategoriesReq) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 
-func (*Category) ProtoMessage() {}
+func (*GetCategoriesReq) ProtoMessage() {}
 
-func (x *Category) ProtoReflect() protoreflect.Message {
-	mi := &file_smm_core_proto_msgTypes[6]
+func (x *GetCategoriesReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[18]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -366,84 +1023,25 @@ func (x *Category) ProtoReflect() protoreflect.Message {
 	return mi.MessageOf(x)
 }
 
-// Deprecated: Use Category.ProtoReflect.Descriptor instead.
-func (*Category) Descriptor() ([]byte, []int) {
-	return file_smm_core_proto_rawDescGZIP(), []int{6}
+// Deprecated: Use GetCategoriesReq.ProtoReflect.Descriptor instead.
+func (*GetCategoriesReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{18}
 }
 
-func (x *Category) GetId() int32 {
-	if x != nil {
-		return x.Id
-	}
-	return 0
-}
-
-func (x *Category) GetName() string {
-	if x != nil {
-		return x.Name
-	}
-	return ""
-}
-
-func (x *Category) GetFavorite() bool {
+func (x *GetCategoriesReq) GetFavorite() bool {
 	if x != nil {
 		return x.Favorite
 	}
 	return false
 }
 
-func (x *Category) GetMonthlyLimit() int32 {
+func (x *GetCategoriesReq) GetBudgetId() int32 {
 	if x != nil {
-		return x.MonthlyLimit
+		return x.BudgetId
 	}
 	return 0
 }
 
-type CategoryFilterReq struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Favorite bool `protobuf:"varint,1,opt,name=favorite,proto3" json:"favorite,omitempty"`
-}
-
-func (x *CategoryFilterReq) Reset() {
-	*x = CategoryFilterReq{}
-	mi := &file_smm_core_proto_msgTypes[7]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *CategoryFilterReq) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*CategoryFilterReq) ProtoMessage() {}
-
-func (x *CategoryFilterReq) ProtoReflect() protoreflect.Message {
-	mi := &file_smm_core_proto_msgTypes[7]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use CategoryFilterReq.ProtoReflect.Descriptor instead.
-func (*CategoryFilterReq) Descriptor() ([]byte, []int) {
-	return file_smm_core_proto_rawDescGZIP(), []int{7}
-}
-
-func (x *CategoryFilterReq) GetFavorite() bool {
-	if x != nil {
-		return x.Favorite
-	}
-	return false
-}
-
 type Categories struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -454,7 +1052,7 @@ type Categories struct {
 
 func (x *Categories) Reset() {
 	*x = Categories{}
-	mi := &file_smm_core_proto_msgTypes[8]
+	mi := &file_smm_core_proto_msgTypes[19]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -466,7 +1064,7 @@ func (x *Categories) String() string {
 func (*Categories) ProtoMessage() {}
 
 func (x *Categories) ProtoReflect() protoreflect.Message {
-	mi := &file_smm_core_proto_msgTypes[8]
+	mi := &file_smm_core_proto_msgTypes[19]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -479,7 +1077,7 @@ func (x *Categories) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Categories.ProtoReflect.Descriptor instead.
 func (*Categories) Descriptor() ([]byte, []int) {
-	return file_smm_core_proto_rawDescGZIP(), []int{8}
+	return file_smm_core_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *Categories) GetCategories() []*Category {
@@ -489,6 +1087,385 @@ func (x *Categories) GetCategories() []*Category {
 	return nil
 }
 
+type DeleteCategoriesReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *DeleteCategoriesReq) Reset() {
+	*x = DeleteCategoriesReq{}
+	mi := &file_smm_core_proto_msgTypes[20]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *DeleteCategoriesReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteCategoriesReq) ProtoMessage() {}
+
+func (x *DeleteCategoriesReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[20]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteCategoriesReq.ProtoReflect.Descriptor instead.
+func (*DeleteCategoriesReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{20}
+}
+
+func (x *DeleteCategoriesReq) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+type AddPositionReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name       string  `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Price      int32   `protobuf:"varint,2,opt,name=price,proto3" json:"price,omitempty"`
+	Amount     float32 `protobuf:"fixed32,3,opt,name=amount,proto3" json:"amount,omitempty"`
+	CategoryId int32   `protobuf:"varint,4,opt,name=category_id,json=categoryId,proto3" json:"category_id,omitempty"`
+}
+
+func (x *AddPositionReq) Reset() {
+	*x = AddPositionReq{}
+	mi := &file_smm_core_proto_msgTypes[21]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AddPositionReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AddPositionReq) ProtoMessage() {}
+
+func (x *AddPositionReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[21]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AddPositionReq.ProtoReflect.Descriptor instead.
+func (*AddPositionReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{21}
+}
+
+func (x *AddPositionReq) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *AddPositionReq) GetPrice() int32 {
+	if x != nil {
+		return x.Price
+	}
+	return 0
+}
+
+func (x *AddPositionReq) GetAmount() float32 {
+	if x != nil {
+		return x.Amount
+	}
+	return 0
+}
+
+func (x *AddPositionReq) GetCategoryId() int32 {
+	if x != nil {
+		return x.CategoryId
+	}
+	return 0
+}
+
+type Position struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id     string  `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name   string  `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	Price  int32   `protobuf:"varint,3,opt,name=price,proto3" json:"price,omitempty"`
+	Amount float32 `protobuf:"fixed32,4,opt,name=amount,proto3" json:"amount,omitempty"`
+}
+
+func (x *Position) Reset() {
+	*x = Position{}
+	mi := &file_smm_core_proto_msgTypes[22]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Position) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Position) ProtoMessage() {}
+
+func (x *Position) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[22]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Position.ProtoReflect.Descriptor instead.
+func (*Position) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{22}
+}
+
+func (x *Position) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Position) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Position) GetPrice() int32 {
+	if x != nil {
+		return x.Price
+	}
+	return 0
+}
+
+func (x *Position) GetAmount() float32 {
+	if x != nil {
+		return x.Amount
+	}
+	return 0
+}
+
+type DeletePositionReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *DeletePositionReq) Reset() {
+	*x = DeletePositionReq{}
+	mi := &file_smm_core_proto_msgTypes[23]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *DeletePositionReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeletePositionReq) ProtoMessage() {}
+
+func (x *DeletePositionReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[23]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeletePositionReq.ProtoReflect.Descriptor instead.
+func (*DeletePositionReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{23}
+}
+
+func (x *DeletePositionReq) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+type GetCategoriesStatReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ids []int32 `protobuf:"varint,1,rep,packed,name=ids,proto3" json:"ids,omitempty"`
+}
+
+func (x *GetCategoriesStatReq) Reset() {
+	*x = GetCategoriesStatReq{}
+	mi := &file_smm_core_proto_msgTypes[24]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *GetCategoriesStatReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetCategoriesStatReq) ProtoMessage() {}
+
+func (x *GetCategoriesStatReq) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[24]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetCategoriesStatReq.ProtoReflect.Descriptor instead.
+func (*GetCategoriesStatReq) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{24}
+}
+
+func (x *GetCategoriesStatReq) GetIds() []int32 {
+	if x != nil {
+		return x.Ids
+	}
+	return nil
+}
+
+type CategoriesStat struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Stat []*CategoriesStat `protobuf:"bytes,1,rep,name=stat,proto3" json:"stat,omitempty"`
+}
+
+func (x *CategoriesStat) Reset() {
+	*x = CategoriesStat{}
+	mi := &file_smm_core_proto_msgTypes[25]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *CategoriesStat) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CategoriesStat) ProtoMessage() {}
+
+func (x *CategoriesStat) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[25]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CategoriesStat.ProtoReflect.Descriptor instead.
+func (*CategoriesStat) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{25}
+}
+
+func (x *CategoriesStat) GetStat() []*CategoriesStat {
+	if x != nil {
+		return x.Stat
+	}
+	return nil
+}
+
+type CategoryStat struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name         string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	MonthlyLimit int32  `protobuf:"varint,2,opt,name=monthly_limit,json=monthlyLimit,proto3" json:"monthly_limit,omitempty"`
+	Amount       int32  `protobuf:"varint,3,opt,name=amount,proto3" json:"amount,omitempty"`
+}
+
+func (x *CategoryStat) Reset() {
+	*x = CategoryStat{}
+	mi := &file_smm_core_proto_msgTypes[26]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *CategoryStat) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CategoryStat) ProtoMessage() {}
+
+func (x *CategoryStat) ProtoReflect() protoreflect.Message {
+	mi := &file_smm_core_proto_msgTypes[26]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CategoryStat.ProtoReflect.Descriptor instead.
+func (*CategoryStat) Descriptor() ([]byte, []int) {
+	return file_smm_core_proto_rawDescGZIP(), []int{26}
+}
+
+func (x *CategoryStat) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *CategoryStat) GetMonthlyLimit() int32 {
+	if x != nil {
+		return x.MonthlyLimit
+	}
+	return 0
+}
+
+func (x *CategoryStat) GetAmount() int32 {
+	if x != nil {
+		return x.Amount
+	}
+	return 0
+}
+
 var File_smm_core_proto protoreflect.FileDescriptor
 
 var file_smm_core_proto_rawDesc = []byte{
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 }
 
 var (
@@ -583,35 +1719,80 @@ func file_smm_core_proto_rawDescGZIP() []byte {
 	return file_smm_core_proto_rawDescData
 }
 
-var file_smm_core_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_smm_core_proto_msgTypes = make([]protoimpl.MessageInfo, 27)
 var file_smm_core_proto_goTypes = []any{
-	(*PingReq)(nil),           // 0: crabs.smm_core.PingReq
-	(*PingRsp)(nil),           // 1: crabs.smm_core.PingRsp
-	(*CreateUserReq)(nil),     // 2: crabs.smm_core.CreateUserReq
-	(*User)(nil),              // 3: crabs.smm_core.User
-	(*CreateCategoryReq)(nil), // 4: crabs.smm_core.CreateCategoryReq
-	(*UpdateCategoryReq)(nil), // 5: crabs.smm_core.UpdateCategoryReq
-	(*Category)(nil),          // 6: crabs.smm_core.Category
-	(*CategoryFilterReq)(nil), // 7: crabs.smm_core.CategoryFilterReq
-	(*Categories)(nil),        // 8: crabs.smm_core.Categories
+	(*PingReq)(nil),                 // 0: crabs.smm_core.PingReq
+	(*PingRsp)(nil),                 // 1: crabs.smm_core.PingRsp
+	(*AddUserReq)(nil),              // 2: crabs.smm_core.AddUserReq
+	(*User)(nil),                    // 3: crabs.smm_core.User
+	(*LoginReq)(nil),                // 4: crabs.smm_core.LoginReq
+	(*AddBudgetReq)(nil),            // 5: crabs.smm_core.AddBudgetReq
+	(*Budget)(nil),                  // 6: crabs.smm_core.Budget
+	(*UpdateBudgetReq)(nil),         // 7: crabs.smm_core.UpdateBudgetReq
+	(*GetBudgetsReq)(nil),           // 8: crabs.smm_core.GetBudgetsReq
+	(*Budgets)(nil),                 // 9: crabs.smm_core.Budgets
+	(*DeleteBudgetReq)(nil),         // 10: crabs.smm_core.DeleteBudgetReq
+	(*AddUserToBudgetReq)(nil),      // 11: crabs.smm_core.AddUserToBudgetReq
+	(*GetBudgetUsersReq)(nil),       // 12: crabs.smm_core.GetBudgetUsersReq
+	(*Users)(nil),                   // 13: crabs.smm_core.Users
+	(*RemoveUserFromBudgetReq)(nil), // 14: crabs.smm_core.RemoveUserFromBudgetReq
+	(*AddCategoryReq)(nil),          // 15: crabs.smm_core.AddCategoryReq
+	(*Category)(nil),                // 16: crabs.smm_core.Category
+	(*UpdateCategoryReq)(nil),       // 17: crabs.smm_core.UpdateCategoryReq
+	(*GetCategoriesReq)(nil),        // 18: crabs.smm_core.GetCategoriesReq
+	(*Categories)(nil),              // 19: crabs.smm_core.Categories
+	(*DeleteCategoriesReq)(nil),     // 20: crabs.smm_core.DeleteCategoriesReq
+	(*AddPositionReq)(nil),          // 21: crabs.smm_core.AddPositionReq
+	(*Position)(nil),                // 22: crabs.smm_core.Position
+	(*DeletePositionReq)(nil),       // 23: crabs.smm_core.DeletePositionReq
+	(*GetCategoriesStatReq)(nil),    // 24: crabs.smm_core.GetCategoriesStatReq
+	(*CategoriesStat)(nil),          // 25: crabs.smm_core.CategoriesStat
+	(*CategoryStat)(nil),            // 26: crabs.smm_core.CategoryStat
 }
 var file_smm_core_proto_depIdxs = []int32{
-	6, // 0: crabs.smm_core.Categories.categories:type_name -> crabs.smm_core.Category
-	0, // 1: crabs.smm_core.SmmCore.Ping:input_type -> crabs.smm_core.PingReq
-	2, // 2: crabs.smm_core.SmmCore.AddUser:input_type -> crabs.smm_core.CreateUserReq
-	4, // 3: crabs.smm_core.SmmCore.AddCategory:input_type -> crabs.smm_core.CreateCategoryReq
-	5, // 4: crabs.smm_core.SmmCore.UpdateCategory:input_type -> crabs.smm_core.UpdateCategoryReq
-	7, // 5: crabs.smm_core.SmmCore.GetCategories:input_type -> crabs.smm_core.CategoryFilterReq
-	1, // 6: crabs.smm_core.SmmCore.Ping:output_type -> crabs.smm_core.PingRsp
-	3, // 7: crabs.smm_core.SmmCore.AddUser:output_type -> crabs.smm_core.User
-	6, // 8: crabs.smm_core.SmmCore.AddCategory:output_type -> crabs.smm_core.Category
-	6, // 9: crabs.smm_core.SmmCore.UpdateCategory:output_type -> crabs.smm_core.Category
-	8, // 10: crabs.smm_core.SmmCore.GetCategories:output_type -> crabs.smm_core.Categories
-	6, // [6:11] is the sub-list for method output_type
-	1, // [1:6] is the sub-list for method input_type
-	1, // [1:1] is the sub-list for extension type_name
-	1, // [1:1] is the sub-list for extension extendee
-	0, // [0:1] is the sub-list for field type_name
+	6,  // 0: crabs.smm_core.Budgets.budgets:type_name -> crabs.smm_core.Budget
+	3,  // 1: crabs.smm_core.Users.users:type_name -> crabs.smm_core.User
+	16, // 2: crabs.smm_core.Categories.categories:type_name -> crabs.smm_core.Category
+	25, // 3: crabs.smm_core.CategoriesStat.stat:type_name -> crabs.smm_core.CategoriesStat
+	0,  // 4: crabs.smm_core.SmmCore.Ping:input_type -> crabs.smm_core.PingReq
+	2,  // 5: crabs.smm_core.SmmCore.AddUser:input_type -> crabs.smm_core.AddUserReq
+	4,  // 6: crabs.smm_core.SmmCore.Login:input_type -> crabs.smm_core.LoginReq
+	5,  // 7: crabs.smm_core.SmmCore.AddBudget:input_type -> crabs.smm_core.AddBudgetReq
+	7,  // 8: crabs.smm_core.SmmCore.UpdateBudget:input_type -> crabs.smm_core.UpdateBudgetReq
+	8,  // 9: crabs.smm_core.SmmCore.GetBudgets:input_type -> crabs.smm_core.GetBudgetsReq
+	10, // 10: crabs.smm_core.SmmCore.DeleteBudget:input_type -> crabs.smm_core.DeleteBudgetReq
+	11, // 11: crabs.smm_core.SmmCore.AddUserToBudget:input_type -> crabs.smm_core.AddUserToBudgetReq
+	12, // 12: crabs.smm_core.SmmCore.GetBudgetUsers:input_type -> crabs.smm_core.GetBudgetUsersReq
+	14, // 13: crabs.smm_core.SmmCore.RemoveUserFromBudget:input_type -> crabs.smm_core.RemoveUserFromBudgetReq
+	15, // 14: crabs.smm_core.SmmCore.AddCategory:input_type -> crabs.smm_core.AddCategoryReq
+	17, // 15: crabs.smm_core.SmmCore.UpdateCategory:input_type -> crabs.smm_core.UpdateCategoryReq
+	18, // 16: crabs.smm_core.SmmCore.GetCategories:input_type -> crabs.smm_core.GetCategoriesReq
+	20, // 17: crabs.smm_core.SmmCore.DeleteCategories:input_type -> crabs.smm_core.DeleteCategoriesReq
+	21, // 18: crabs.smm_core.SmmCore.AddPosition:input_type -> crabs.smm_core.AddPositionReq
+	23, // 19: crabs.smm_core.SmmCore.DeletePosition:input_type -> crabs.smm_core.DeletePositionReq
+	24, // 20: crabs.smm_core.SmmCore.GetCategoriesStat:input_type -> crabs.smm_core.GetCategoriesStatReq
+	1,  // 21: crabs.smm_core.SmmCore.Ping:output_type -> crabs.smm_core.PingRsp
+	3,  // 22: crabs.smm_core.SmmCore.AddUser:output_type -> crabs.smm_core.User
+	3,  // 23: crabs.smm_core.SmmCore.Login:output_type -> crabs.smm_core.User
+	6,  // 24: crabs.smm_core.SmmCore.AddBudget:output_type -> crabs.smm_core.Budget
+	6,  // 25: crabs.smm_core.SmmCore.UpdateBudget:output_type -> crabs.smm_core.Budget
+	9,  // 26: crabs.smm_core.SmmCore.GetBudgets:output_type -> crabs.smm_core.Budgets
+	6,  // 27: crabs.smm_core.SmmCore.DeleteBudget:output_type -> crabs.smm_core.Budget
+	6,  // 28: crabs.smm_core.SmmCore.AddUserToBudget:output_type -> crabs.smm_core.Budget
+	13, // 29: crabs.smm_core.SmmCore.GetBudgetUsers:output_type -> crabs.smm_core.Users
+	6,  // 30: crabs.smm_core.SmmCore.RemoveUserFromBudget:output_type -> crabs.smm_core.Budget
+	16, // 31: crabs.smm_core.SmmCore.AddCategory:output_type -> crabs.smm_core.Category
+	16, // 32: crabs.smm_core.SmmCore.UpdateCategory:output_type -> crabs.smm_core.Category
+	19, // 33: crabs.smm_core.SmmCore.GetCategories:output_type -> crabs.smm_core.Categories
+	16, // 34: crabs.smm_core.SmmCore.DeleteCategories:output_type -> crabs.smm_core.Category
+	22, // 35: crabs.smm_core.SmmCore.AddPosition:output_type -> crabs.smm_core.Position
+	22, // 36: crabs.smm_core.SmmCore.DeletePosition:output_type -> crabs.smm_core.Position
+	25, // 37: crabs.smm_core.SmmCore.GetCategoriesStat:output_type -> crabs.smm_core.CategoriesStat
+	21, // [21:38] is the sub-list for method output_type
+	4,  // [4:21] is the sub-list for method input_type
+	4,  // [4:4] is the sub-list for extension type_name
+	4,  // [4:4] is the sub-list for extension extendee
+	0,  // [0:4] is the sub-list for field type_name
 }
 
 func init() { file_smm_core_proto_init() }
@@ -625,7 +1806,7 @@ func file_smm_core_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_smm_core_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   9,
+			NumMessages:   27,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/proto/smm_core.pb.gw.go b/proto/smm_core.pb.gw.go
index a003627..cb5e6b0 100644
--- a/proto/smm_core.pb.gw.go
+++ b/proto/smm_core.pb.gw.go
@@ -50,7 +50,7 @@ func local_request_SmmCore_Ping_0(ctx context.Context, marshaler runtime.Marshal
 }
 
 func request_SmmCore_AddUser_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq CreateUserReq
+	var protoReq AddUserReq
 	var metadata runtime.ServerMetadata
 
 	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
@@ -63,7 +63,7 @@ func request_SmmCore_AddUser_0(ctx context.Context, marshaler runtime.Marshaler,
 }
 
 func local_request_SmmCore_AddUser_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq CreateUserReq
+	var protoReq AddUserReq
 	var metadata runtime.ServerMetadata
 
 	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
@@ -75,8 +75,384 @@ func local_request_SmmCore_AddUser_0(ctx context.Context, marshaler runtime.Mars
 
 }
 
+func request_SmmCore_Login_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq LoginReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.Login(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_Login_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq LoginReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.Login(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_SmmCore_AddBudget_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq AddBudgetReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.AddBudget(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_AddBudget_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq AddBudgetReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.AddBudget(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_SmmCore_UpdateBudget_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq UpdateBudgetReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := client.UpdateBudget(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_UpdateBudget_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq UpdateBudgetReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := server.UpdateBudget(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_SmmCore_GetBudgets_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetBudgetsReq
+	var metadata runtime.ServerMetadata
+
+	msg, err := client.GetBudgets(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_GetBudgets_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetBudgetsReq
+	var metadata runtime.ServerMetadata
+
+	msg, err := server.GetBudgets(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_SmmCore_DeleteBudget_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq DeleteBudgetReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := client.DeleteBudget(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_DeleteBudget_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq DeleteBudgetReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := server.DeleteBudget(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+var (
+	filter_SmmCore_AddUserToBudget_0 = &utilities.DoubleArray{Encoding: map[string]int{"budget_id": 0}, Base: []int{1, 1, 0}, Check: []int{0, 1, 2}}
+)
+
+func request_SmmCore_AddUserToBudget_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq AddUserToBudgetReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["budget_id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "budget_id")
+	}
+
+	protoReq.BudgetId, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "budget_id", err)
+	}
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_SmmCore_AddUserToBudget_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.AddUserToBudget(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_AddUserToBudget_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq AddUserToBudgetReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["budget_id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "budget_id")
+	}
+
+	protoReq.BudgetId, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "budget_id", err)
+	}
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_SmmCore_AddUserToBudget_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.AddUserToBudget(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_SmmCore_GetBudgetUsers_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetBudgetUsersReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := client.GetBudgetUsers(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_GetBudgetUsers_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetBudgetUsersReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := server.GetBudgetUsers(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_SmmCore_RemoveUserFromBudget_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq RemoveUserFromBudgetReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["budget_id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "budget_id")
+	}
+
+	protoReq.BudgetId, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "budget_id", err)
+	}
+
+	val, ok = pathParams["user_id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "user_id")
+	}
+
+	protoReq.UserId, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "user_id", err)
+	}
+
+	msg, err := client.RemoveUserFromBudget(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_RemoveUserFromBudget_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq RemoveUserFromBudgetReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["budget_id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "budget_id")
+	}
+
+	protoReq.BudgetId, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "budget_id", err)
+	}
+
+	val, ok = pathParams["user_id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "user_id")
+	}
+
+	protoReq.UserId, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "user_id", err)
+	}
+
+	msg, err := server.RemoveUserFromBudget(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 func request_SmmCore_AddCategory_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq CreateCategoryReq
+	var protoReq AddCategoryReq
 	var metadata runtime.ServerMetadata
 
 	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
@@ -89,7 +465,7 @@ func request_SmmCore_AddCategory_0(ctx context.Context, marshaler runtime.Marsha
 }
 
 func local_request_SmmCore_AddCategory_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq CreateCategoryReq
+	var protoReq AddCategoryReq
 	var metadata runtime.ServerMetadata
 
 	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
@@ -121,7 +497,7 @@ func request_SmmCore_UpdateCategory_0(ctx context.Context, marshaler runtime.Mar
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
 	}
 
-	protoReq.Id, err = runtime.Int32(val)
+	protoReq.Id, err = runtime.String(val)
 	if err != nil {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
 	}
@@ -154,7 +530,7 @@ func local_request_SmmCore_UpdateCategory_0(ctx context.Context, marshaler runti
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
 	}
 
-	protoReq.Id, err = runtime.Int32(val)
+	protoReq.Id, err = runtime.String(val)
 	if err != nil {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
 	}
@@ -176,7 +552,7 @@ var (
 )
 
 func request_SmmCore_GetCategories_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq CategoryFilterReq
+	var protoReq GetCategoriesReq
 	var metadata runtime.ServerMetadata
 
 	if err := req.ParseForm(); err != nil {
@@ -192,7 +568,7 @@ func request_SmmCore_GetCategories_0(ctx context.Context, marshaler runtime.Mars
 }
 
 func local_request_SmmCore_GetCategories_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq CategoryFilterReq
+	var protoReq GetCategoriesReq
 	var metadata runtime.ServerMetadata
 
 	if err := req.ParseForm(); err != nil {
@@ -207,6 +583,172 @@ func local_request_SmmCore_GetCategories_0(ctx context.Context, marshaler runtim
 
 }
 
+func request_SmmCore_DeleteCategories_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq DeleteCategoriesReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := client.DeleteCategories(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_DeleteCategories_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq DeleteCategoriesReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := server.DeleteCategories(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_SmmCore_AddPosition_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq AddPositionReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.AddPosition(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_AddPosition_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq AddPositionReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.AddPosition(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_SmmCore_DeletePosition_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq DeletePositionReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := client.DeletePosition(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_DeletePosition_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq DeletePositionReq
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.String(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := server.DeletePosition(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+var (
+	filter_SmmCore_GetCategoriesStat_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
+func request_SmmCore_GetCategoriesStat_0(ctx context.Context, marshaler runtime.Marshaler, client SmmCoreClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetCategoriesStatReq
+	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_SmmCore_GetCategoriesStat_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.GetCategoriesStat(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_SmmCore_GetCategoriesStat_0(ctx context.Context, marshaler runtime.Marshaler, server SmmCoreServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetCategoriesStatReq
+	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_SmmCore_GetCategoriesStat_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.GetCategoriesStat(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 // RegisterSmmCoreHandlerServer registers the http handlers for service SmmCore to "mux".
 // UnaryRPC     :call SmmCoreServer directly.
 // StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
@@ -264,6 +806,206 @@ func RegisterSmmCoreHandlerServer(ctx context.Context, mux *runtime.ServeMux, se
 
 	})
 
+	mux.Handle("POST", pattern_SmmCore_Login_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/Login", runtime.WithHTTPPathPattern("/login"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_Login_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_Login_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("POST", pattern_SmmCore_AddBudget_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/AddBudget", runtime.WithHTTPPathPattern("/budgets"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_AddBudget_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_AddBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("PUT", pattern_SmmCore_UpdateBudget_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/UpdateBudget", runtime.WithHTTPPathPattern("/budgets/{id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_UpdateBudget_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_UpdateBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_SmmCore_GetBudgets_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/GetBudgets", runtime.WithHTTPPathPattern("/budgets"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_GetBudgets_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_GetBudgets_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("DELETE", pattern_SmmCore_DeleteBudget_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/DeleteBudget", runtime.WithHTTPPathPattern("/budgets/{id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_DeleteBudget_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_DeleteBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("PUT", pattern_SmmCore_AddUserToBudget_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/AddUserToBudget", runtime.WithHTTPPathPattern("/budgets/{budget_id}/users"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_AddUserToBudget_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_AddUserToBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_SmmCore_GetBudgetUsers_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/GetBudgetUsers", runtime.WithHTTPPathPattern("/budgets/{id}/users"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_GetBudgetUsers_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_GetBudgetUsers_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("DELETE", pattern_SmmCore_RemoveUserFromBudget_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/RemoveUserFromBudget", runtime.WithHTTPPathPattern("/budgets/{budget_id}/users/{user_id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_RemoveUserFromBudget_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_RemoveUserFromBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("POST", pattern_SmmCore_AddCategory_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -339,6 +1081,106 @@ func RegisterSmmCoreHandlerServer(ctx context.Context, mux *runtime.ServeMux, se
 
 	})
 
+	mux.Handle("DELETE", pattern_SmmCore_DeleteCategories_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/DeleteCategories", runtime.WithHTTPPathPattern("/categories/{id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_DeleteCategories_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_DeleteCategories_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("POST", pattern_SmmCore_AddPosition_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/AddPosition", runtime.WithHTTPPathPattern("/positions"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_AddPosition_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_AddPosition_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("DELETE", pattern_SmmCore_DeletePosition_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/DeletePosition", runtime.WithHTTPPathPattern("/positions/{id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_DeletePosition_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_DeletePosition_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_SmmCore_GetCategoriesStat_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.smm_core.SmmCore/GetCategoriesStat", runtime.WithHTTPPathPattern("/stat"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_SmmCore_GetCategoriesStat_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_GetCategoriesStat_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -424,6 +1266,182 @@ func RegisterSmmCoreHandlerClient(ctx context.Context, mux *runtime.ServeMux, cl
 
 	})
 
+	mux.Handle("POST", pattern_SmmCore_Login_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/Login", runtime.WithHTTPPathPattern("/login"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_Login_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_Login_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("POST", pattern_SmmCore_AddBudget_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/AddBudget", runtime.WithHTTPPathPattern("/budgets"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_AddBudget_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_AddBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("PUT", pattern_SmmCore_UpdateBudget_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/UpdateBudget", runtime.WithHTTPPathPattern("/budgets/{id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_UpdateBudget_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_UpdateBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_SmmCore_GetBudgets_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/GetBudgets", runtime.WithHTTPPathPattern("/budgets"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_GetBudgets_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_GetBudgets_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("DELETE", pattern_SmmCore_DeleteBudget_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/DeleteBudget", runtime.WithHTTPPathPattern("/budgets/{id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_DeleteBudget_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_DeleteBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("PUT", pattern_SmmCore_AddUserToBudget_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/AddUserToBudget", runtime.WithHTTPPathPattern("/budgets/{budget_id}/users"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_AddUserToBudget_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_AddUserToBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_SmmCore_GetBudgetUsers_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/GetBudgetUsers", runtime.WithHTTPPathPattern("/budgets/{id}/users"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_GetBudgetUsers_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_GetBudgetUsers_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("DELETE", pattern_SmmCore_RemoveUserFromBudget_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/RemoveUserFromBudget", runtime.WithHTTPPathPattern("/budgets/{budget_id}/users/{user_id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_RemoveUserFromBudget_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_RemoveUserFromBudget_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("POST", pattern_SmmCore_AddCategory_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -490,6 +1508,94 @@ func RegisterSmmCoreHandlerClient(ctx context.Context, mux *runtime.ServeMux, cl
 
 	})
 
+	mux.Handle("DELETE", pattern_SmmCore_DeleteCategories_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/DeleteCategories", runtime.WithHTTPPathPattern("/categories/{id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_DeleteCategories_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_DeleteCategories_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("POST", pattern_SmmCore_AddPosition_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/AddPosition", runtime.WithHTTPPathPattern("/positions"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_AddPosition_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_AddPosition_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("DELETE", pattern_SmmCore_DeletePosition_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/DeletePosition", runtime.WithHTTPPathPattern("/positions/{id}"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_DeletePosition_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_DeletePosition_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_SmmCore_GetCategoriesStat_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.smm_core.SmmCore/GetCategoriesStat", runtime.WithHTTPPathPattern("/stat"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_SmmCore_GetCategoriesStat_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_SmmCore_GetCategoriesStat_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -498,11 +1604,35 @@ var (
 
 	pattern_SmmCore_AddUser_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"users"}, ""))
 
+	pattern_SmmCore_Login_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"login"}, ""))
+
+	pattern_SmmCore_AddBudget_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"budgets"}, ""))
+
+	pattern_SmmCore_UpdateBudget_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"budgets", "id"}, ""))
+
+	pattern_SmmCore_GetBudgets_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"budgets"}, ""))
+
+	pattern_SmmCore_DeleteBudget_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"budgets", "id"}, ""))
+
+	pattern_SmmCore_AddUserToBudget_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1, 2, 2}, []string{"budgets", "budget_id", "users"}, ""))
+
+	pattern_SmmCore_GetBudgetUsers_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1, 2, 2}, []string{"budgets", "id", "users"}, ""))
+
+	pattern_SmmCore_RemoveUserFromBudget_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"budgets", "budget_id", "users", "user_id"}, ""))
+
 	pattern_SmmCore_AddCategory_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"categories"}, ""))
 
 	pattern_SmmCore_UpdateCategory_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"categories", "id"}, ""))
 
 	pattern_SmmCore_GetCategories_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"categories"}, ""))
+
+	pattern_SmmCore_DeleteCategories_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"categories", "id"}, ""))
+
+	pattern_SmmCore_AddPosition_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"positions"}, ""))
+
+	pattern_SmmCore_DeletePosition_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"positions", "id"}, ""))
+
+	pattern_SmmCore_GetCategoriesStat_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"stat"}, ""))
 )
 
 var (
@@ -510,9 +1640,33 @@ var (
 
 	forward_SmmCore_AddUser_0 = runtime.ForwardResponseMessage
 
+	forward_SmmCore_Login_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_AddBudget_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_UpdateBudget_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_GetBudgets_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_DeleteBudget_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_AddUserToBudget_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_GetBudgetUsers_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_RemoveUserFromBudget_0 = runtime.ForwardResponseMessage
+
 	forward_SmmCore_AddCategory_0 = runtime.ForwardResponseMessage
 
 	forward_SmmCore_UpdateCategory_0 = runtime.ForwardResponseMessage
 
 	forward_SmmCore_GetCategories_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_DeleteCategories_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_AddPosition_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_DeletePosition_0 = runtime.ForwardResponseMessage
+
+	forward_SmmCore_GetCategoriesStat_0 = runtime.ForwardResponseMessage
 )
diff --git a/proto/smm_core_grpc.pb.go b/proto/smm_core_grpc.pb.go
index fea0317..22306b2 100644
--- a/proto/smm_core_grpc.pb.go
+++ b/proto/smm_core_grpc.pb.go
@@ -19,24 +19,53 @@ import (
 const _ = grpc.SupportPackageIsVersion9
 
 const (
-	SmmCore_Ping_FullMethodName           = "/crabs.smm_core.SmmCore/Ping"
-	SmmCore_AddUser_FullMethodName        = "/crabs.smm_core.SmmCore/AddUser"
-	SmmCore_AddCategory_FullMethodName    = "/crabs.smm_core.SmmCore/AddCategory"
-	SmmCore_UpdateCategory_FullMethodName = "/crabs.smm_core.SmmCore/UpdateCategory"
-	SmmCore_GetCategories_FullMethodName  = "/crabs.smm_core.SmmCore/GetCategories"
+	SmmCore_Ping_FullMethodName                 = "/crabs.smm_core.SmmCore/Ping"
+	SmmCore_AddUser_FullMethodName              = "/crabs.smm_core.SmmCore/AddUser"
+	SmmCore_Login_FullMethodName                = "/crabs.smm_core.SmmCore/Login"
+	SmmCore_AddBudget_FullMethodName            = "/crabs.smm_core.SmmCore/AddBudget"
+	SmmCore_UpdateBudget_FullMethodName         = "/crabs.smm_core.SmmCore/UpdateBudget"
+	SmmCore_GetBudgets_FullMethodName           = "/crabs.smm_core.SmmCore/GetBudgets"
+	SmmCore_DeleteBudget_FullMethodName         = "/crabs.smm_core.SmmCore/DeleteBudget"
+	SmmCore_AddUserToBudget_FullMethodName      = "/crabs.smm_core.SmmCore/AddUserToBudget"
+	SmmCore_GetBudgetUsers_FullMethodName       = "/crabs.smm_core.SmmCore/GetBudgetUsers"
+	SmmCore_RemoveUserFromBudget_FullMethodName = "/crabs.smm_core.SmmCore/RemoveUserFromBudget"
+	SmmCore_AddCategory_FullMethodName          = "/crabs.smm_core.SmmCore/AddCategory"
+	SmmCore_UpdateCategory_FullMethodName       = "/crabs.smm_core.SmmCore/UpdateCategory"
+	SmmCore_GetCategories_FullMethodName        = "/crabs.smm_core.SmmCore/GetCategories"
+	SmmCore_DeleteCategories_FullMethodName     = "/crabs.smm_core.SmmCore/DeleteCategories"
+	SmmCore_AddPosition_FullMethodName          = "/crabs.smm_core.SmmCore/AddPosition"
+	SmmCore_DeletePosition_FullMethodName       = "/crabs.smm_core.SmmCore/DeletePosition"
+	SmmCore_GetCategoriesStat_FullMethodName    = "/crabs.smm_core.SmmCore/GetCategoriesStat"
 )
 
 // SmmCoreClient is the client API for SmmCore service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type SmmCoreClient interface {
+	// ping
 	Ping(ctx context.Context, in *PingReq, opts ...grpc.CallOption) (*PingRsp, error)
 	// users
-	AddUser(ctx context.Context, in *CreateUserReq, opts ...grpc.CallOption) (*User, error)
+	AddUser(ctx context.Context, in *AddUserReq, opts ...grpc.CallOption) (*User, error)
+	Login(ctx context.Context, in *LoginReq, opts ...grpc.CallOption) (*User, error)
+	// budgets
+	AddBudget(ctx context.Context, in *AddBudgetReq, opts ...grpc.CallOption) (*Budget, error)
+	UpdateBudget(ctx context.Context, in *UpdateBudgetReq, opts ...grpc.CallOption) (*Budget, error)
+	GetBudgets(ctx context.Context, in *GetBudgetsReq, opts ...grpc.CallOption) (*Budgets, error)
+	DeleteBudget(ctx context.Context, in *DeleteBudgetReq, opts ...grpc.CallOption) (*Budget, error)
+	// budget users
+	AddUserToBudget(ctx context.Context, in *AddUserToBudgetReq, opts ...grpc.CallOption) (*Budget, error)
+	GetBudgetUsers(ctx context.Context, in *GetBudgetUsersReq, opts ...grpc.CallOption) (*Users, error)
+	RemoveUserFromBudget(ctx context.Context, in *RemoveUserFromBudgetReq, opts ...grpc.CallOption) (*Budget, error)
 	// categories
-	AddCategory(ctx context.Context, in *CreateCategoryReq, opts ...grpc.CallOption) (*Category, error)
+	AddCategory(ctx context.Context, in *AddCategoryReq, opts ...grpc.CallOption) (*Category, error)
 	UpdateCategory(ctx context.Context, in *UpdateCategoryReq, opts ...grpc.CallOption) (*Category, error)
-	GetCategories(ctx context.Context, in *CategoryFilterReq, opts ...grpc.CallOption) (*Categories, error)
+	GetCategories(ctx context.Context, in *GetCategoriesReq, opts ...grpc.CallOption) (*Categories, error)
+	DeleteCategories(ctx context.Context, in *DeleteCategoriesReq, opts ...grpc.CallOption) (*Category, error)
+	// positions
+	AddPosition(ctx context.Context, in *AddPositionReq, opts ...grpc.CallOption) (*Position, error)
+	DeletePosition(ctx context.Context, in *DeletePositionReq, opts ...grpc.CallOption) (*Position, error)
+	// stat
+	GetCategoriesStat(ctx context.Context, in *GetCategoriesStatReq, opts ...grpc.CallOption) (*CategoriesStat, error)
 }
 
 type smmCoreClient struct {
@@ -57,7 +86,7 @@ func (c *smmCoreClient) Ping(ctx context.Context, in *PingReq, opts ...grpc.Call
 	return out, nil
 }
 
-func (c *smmCoreClient) AddUser(ctx context.Context, in *CreateUserReq, opts ...grpc.CallOption) (*User, error) {
+func (c *smmCoreClient) AddUser(ctx context.Context, in *AddUserReq, opts ...grpc.CallOption) (*User, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(User)
 	err := c.cc.Invoke(ctx, SmmCore_AddUser_FullMethodName, in, out, cOpts...)
@@ -67,7 +96,87 @@ func (c *smmCoreClient) AddUser(ctx context.Context, in *CreateUserReq, opts ...
 	return out, nil
 }
 
-func (c *smmCoreClient) AddCategory(ctx context.Context, in *CreateCategoryReq, opts ...grpc.CallOption) (*Category, error) {
+func (c *smmCoreClient) Login(ctx context.Context, in *LoginReq, opts ...grpc.CallOption) (*User, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(User)
+	err := c.cc.Invoke(ctx, SmmCore_Login_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) AddBudget(ctx context.Context, in *AddBudgetReq, opts ...grpc.CallOption) (*Budget, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Budget)
+	err := c.cc.Invoke(ctx, SmmCore_AddBudget_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) UpdateBudget(ctx context.Context, in *UpdateBudgetReq, opts ...grpc.CallOption) (*Budget, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Budget)
+	err := c.cc.Invoke(ctx, SmmCore_UpdateBudget_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) GetBudgets(ctx context.Context, in *GetBudgetsReq, opts ...grpc.CallOption) (*Budgets, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Budgets)
+	err := c.cc.Invoke(ctx, SmmCore_GetBudgets_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) DeleteBudget(ctx context.Context, in *DeleteBudgetReq, opts ...grpc.CallOption) (*Budget, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Budget)
+	err := c.cc.Invoke(ctx, SmmCore_DeleteBudget_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) AddUserToBudget(ctx context.Context, in *AddUserToBudgetReq, opts ...grpc.CallOption) (*Budget, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Budget)
+	err := c.cc.Invoke(ctx, SmmCore_AddUserToBudget_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) GetBudgetUsers(ctx context.Context, in *GetBudgetUsersReq, opts ...grpc.CallOption) (*Users, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Users)
+	err := c.cc.Invoke(ctx, SmmCore_GetBudgetUsers_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) RemoveUserFromBudget(ctx context.Context, in *RemoveUserFromBudgetReq, opts ...grpc.CallOption) (*Budget, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Budget)
+	err := c.cc.Invoke(ctx, SmmCore_RemoveUserFromBudget_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) AddCategory(ctx context.Context, in *AddCategoryReq, opts ...grpc.CallOption) (*Category, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(Category)
 	err := c.cc.Invoke(ctx, SmmCore_AddCategory_FullMethodName, in, out, cOpts...)
@@ -87,7 +196,7 @@ func (c *smmCoreClient) UpdateCategory(ctx context.Context, in *UpdateCategoryRe
 	return out, nil
 }
 
-func (c *smmCoreClient) GetCategories(ctx context.Context, in *CategoryFilterReq, opts ...grpc.CallOption) (*Categories, error) {
+func (c *smmCoreClient) GetCategories(ctx context.Context, in *GetCategoriesReq, opts ...grpc.CallOption) (*Categories, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(Categories)
 	err := c.cc.Invoke(ctx, SmmCore_GetCategories_FullMethodName, in, out, cOpts...)
@@ -97,17 +206,74 @@ func (c *smmCoreClient) GetCategories(ctx context.Context, in *CategoryFilterReq
 	return out, nil
 }
 
+func (c *smmCoreClient) DeleteCategories(ctx context.Context, in *DeleteCategoriesReq, opts ...grpc.CallOption) (*Category, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Category)
+	err := c.cc.Invoke(ctx, SmmCore_DeleteCategories_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) AddPosition(ctx context.Context, in *AddPositionReq, opts ...grpc.CallOption) (*Position, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Position)
+	err := c.cc.Invoke(ctx, SmmCore_AddPosition_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) DeletePosition(ctx context.Context, in *DeletePositionReq, opts ...grpc.CallOption) (*Position, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(Position)
+	err := c.cc.Invoke(ctx, SmmCore_DeletePosition_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *smmCoreClient) GetCategoriesStat(ctx context.Context, in *GetCategoriesStatReq, opts ...grpc.CallOption) (*CategoriesStat, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(CategoriesStat)
+	err := c.cc.Invoke(ctx, SmmCore_GetCategoriesStat_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // SmmCoreServer is the server API for SmmCore service.
 // All implementations must embed UnimplementedSmmCoreServer
 // for forward compatibility.
 type SmmCoreServer interface {
+	// ping
 	Ping(context.Context, *PingReq) (*PingRsp, error)
 	// users
-	AddUser(context.Context, *CreateUserReq) (*User, error)
+	AddUser(context.Context, *AddUserReq) (*User, error)
+	Login(context.Context, *LoginReq) (*User, error)
+	// budgets
+	AddBudget(context.Context, *AddBudgetReq) (*Budget, error)
+	UpdateBudget(context.Context, *UpdateBudgetReq) (*Budget, error)
+	GetBudgets(context.Context, *GetBudgetsReq) (*Budgets, error)
+	DeleteBudget(context.Context, *DeleteBudgetReq) (*Budget, error)
+	// budget users
+	AddUserToBudget(context.Context, *AddUserToBudgetReq) (*Budget, error)
+	GetBudgetUsers(context.Context, *GetBudgetUsersReq) (*Users, error)
+	RemoveUserFromBudget(context.Context, *RemoveUserFromBudgetReq) (*Budget, error)
 	// categories
-	AddCategory(context.Context, *CreateCategoryReq) (*Category, error)
+	AddCategory(context.Context, *AddCategoryReq) (*Category, error)
 	UpdateCategory(context.Context, *UpdateCategoryReq) (*Category, error)
-	GetCategories(context.Context, *CategoryFilterReq) (*Categories, error)
+	GetCategories(context.Context, *GetCategoriesReq) (*Categories, error)
+	DeleteCategories(context.Context, *DeleteCategoriesReq) (*Category, error)
+	// positions
+	AddPosition(context.Context, *AddPositionReq) (*Position, error)
+	DeletePosition(context.Context, *DeletePositionReq) (*Position, error)
+	// stat
+	GetCategoriesStat(context.Context, *GetCategoriesStatReq) (*CategoriesStat, error)
 	mustEmbedUnimplementedSmmCoreServer()
 }
 
@@ -121,18 +287,54 @@ type UnimplementedSmmCoreServer struct{}
 func (UnimplementedSmmCoreServer) Ping(context.Context, *PingReq) (*PingRsp, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Ping not implemented")
 }
-func (UnimplementedSmmCoreServer) AddUser(context.Context, *CreateUserReq) (*User, error) {
+func (UnimplementedSmmCoreServer) AddUser(context.Context, *AddUserReq) (*User, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AddUser not implemented")
 }
-func (UnimplementedSmmCoreServer) AddCategory(context.Context, *CreateCategoryReq) (*Category, error) {
+func (UnimplementedSmmCoreServer) Login(context.Context, *LoginReq) (*User, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Login not implemented")
+}
+func (UnimplementedSmmCoreServer) AddBudget(context.Context, *AddBudgetReq) (*Budget, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AddBudget not implemented")
+}
+func (UnimplementedSmmCoreServer) UpdateBudget(context.Context, *UpdateBudgetReq) (*Budget, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateBudget not implemented")
+}
+func (UnimplementedSmmCoreServer) GetBudgets(context.Context, *GetBudgetsReq) (*Budgets, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetBudgets not implemented")
+}
+func (UnimplementedSmmCoreServer) DeleteBudget(context.Context, *DeleteBudgetReq) (*Budget, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteBudget not implemented")
+}
+func (UnimplementedSmmCoreServer) AddUserToBudget(context.Context, *AddUserToBudgetReq) (*Budget, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AddUserToBudget not implemented")
+}
+func (UnimplementedSmmCoreServer) GetBudgetUsers(context.Context, *GetBudgetUsersReq) (*Users, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetBudgetUsers not implemented")
+}
+func (UnimplementedSmmCoreServer) RemoveUserFromBudget(context.Context, *RemoveUserFromBudgetReq) (*Budget, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method RemoveUserFromBudget not implemented")
+}
+func (UnimplementedSmmCoreServer) AddCategory(context.Context, *AddCategoryReq) (*Category, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AddCategory not implemented")
 }
 func (UnimplementedSmmCoreServer) UpdateCategory(context.Context, *UpdateCategoryReq) (*Category, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateCategory not implemented")
 }
-func (UnimplementedSmmCoreServer) GetCategories(context.Context, *CategoryFilterReq) (*Categories, error) {
+func (UnimplementedSmmCoreServer) GetCategories(context.Context, *GetCategoriesReq) (*Categories, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetCategories not implemented")
 }
+func (UnimplementedSmmCoreServer) DeleteCategories(context.Context, *DeleteCategoriesReq) (*Category, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteCategories not implemented")
+}
+func (UnimplementedSmmCoreServer) AddPosition(context.Context, *AddPositionReq) (*Position, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AddPosition not implemented")
+}
+func (UnimplementedSmmCoreServer) DeletePosition(context.Context, *DeletePositionReq) (*Position, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeletePosition not implemented")
+}
+func (UnimplementedSmmCoreServer) GetCategoriesStat(context.Context, *GetCategoriesStatReq) (*CategoriesStat, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetCategoriesStat not implemented")
+}
 func (UnimplementedSmmCoreServer) mustEmbedUnimplementedSmmCoreServer() {}
 func (UnimplementedSmmCoreServer) testEmbeddedByValue()                 {}
 
@@ -173,7 +375,7 @@ func _SmmCore_Ping_Handler(srv interface{}, ctx context.Context, dec func(interf
 }
 
 func _SmmCore_AddUser_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CreateUserReq)
+	in := new(AddUserReq)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
@@ -185,13 +387,157 @@ func _SmmCore_AddUser_Handler(srv interface{}, ctx context.Context, dec func(int
 		FullMethod: SmmCore_AddUser_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SmmCoreServer).AddUser(ctx, req.(*CreateUserReq))
+		return srv.(SmmCoreServer).AddUser(ctx, req.(*AddUserReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_Login_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LoginReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).Login(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_Login_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).Login(ctx, req.(*LoginReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_AddBudget_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AddBudgetReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).AddBudget(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_AddBudget_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).AddBudget(ctx, req.(*AddBudgetReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_UpdateBudget_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateBudgetReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).UpdateBudget(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_UpdateBudget_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).UpdateBudget(ctx, req.(*UpdateBudgetReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_GetBudgets_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetBudgetsReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).GetBudgets(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_GetBudgets_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).GetBudgets(ctx, req.(*GetBudgetsReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_DeleteBudget_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteBudgetReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).DeleteBudget(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_DeleteBudget_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).DeleteBudget(ctx, req.(*DeleteBudgetReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_AddUserToBudget_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AddUserToBudgetReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).AddUserToBudget(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_AddUserToBudget_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).AddUserToBudget(ctx, req.(*AddUserToBudgetReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_GetBudgetUsers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetBudgetUsersReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).GetBudgetUsers(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_GetBudgetUsers_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).GetBudgetUsers(ctx, req.(*GetBudgetUsersReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_RemoveUserFromBudget_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RemoveUserFromBudgetReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).RemoveUserFromBudget(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_RemoveUserFromBudget_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).RemoveUserFromBudget(ctx, req.(*RemoveUserFromBudgetReq))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 
 func _SmmCore_AddCategory_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CreateCategoryReq)
+	in := new(AddCategoryReq)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
@@ -203,7 +549,7 @@ func _SmmCore_AddCategory_Handler(srv interface{}, ctx context.Context, dec func
 		FullMethod: SmmCore_AddCategory_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SmmCoreServer).AddCategory(ctx, req.(*CreateCategoryReq))
+		return srv.(SmmCoreServer).AddCategory(ctx, req.(*AddCategoryReq))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@@ -227,7 +573,7 @@ func _SmmCore_UpdateCategory_Handler(srv interface{}, ctx context.Context, dec f
 }
 
 func _SmmCore_GetCategories_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CategoryFilterReq)
+	in := new(GetCategoriesReq)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
@@ -239,7 +585,79 @@ func _SmmCore_GetCategories_Handler(srv interface{}, ctx context.Context, dec fu
 		FullMethod: SmmCore_GetCategories_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SmmCoreServer).GetCategories(ctx, req.(*CategoryFilterReq))
+		return srv.(SmmCoreServer).GetCategories(ctx, req.(*GetCategoriesReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_DeleteCategories_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteCategoriesReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).DeleteCategories(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_DeleteCategories_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).DeleteCategories(ctx, req.(*DeleteCategoriesReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_AddPosition_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AddPositionReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).AddPosition(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_AddPosition_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).AddPosition(ctx, req.(*AddPositionReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_DeletePosition_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeletePositionReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).DeletePosition(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_DeletePosition_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).DeletePosition(ctx, req.(*DeletePositionReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SmmCore_GetCategoriesStat_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetCategoriesStatReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SmmCoreServer).GetCategoriesStat(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: SmmCore_GetCategoriesStat_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SmmCoreServer).GetCategoriesStat(ctx, req.(*GetCategoriesStatReq))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@@ -259,6 +677,38 @@ var SmmCore_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "AddUser",
 			Handler:    _SmmCore_AddUser_Handler,
 		},
+		{
+			MethodName: "Login",
+			Handler:    _SmmCore_Login_Handler,
+		},
+		{
+			MethodName: "AddBudget",
+			Handler:    _SmmCore_AddBudget_Handler,
+		},
+		{
+			MethodName: "UpdateBudget",
+			Handler:    _SmmCore_UpdateBudget_Handler,
+		},
+		{
+			MethodName: "GetBudgets",
+			Handler:    _SmmCore_GetBudgets_Handler,
+		},
+		{
+			MethodName: "DeleteBudget",
+			Handler:    _SmmCore_DeleteBudget_Handler,
+		},
+		{
+			MethodName: "AddUserToBudget",
+			Handler:    _SmmCore_AddUserToBudget_Handler,
+		},
+		{
+			MethodName: "GetBudgetUsers",
+			Handler:    _SmmCore_GetBudgetUsers_Handler,
+		},
+		{
+			MethodName: "RemoveUserFromBudget",
+			Handler:    _SmmCore_RemoveUserFromBudget_Handler,
+		},
 		{
 			MethodName: "AddCategory",
 			Handler:    _SmmCore_AddCategory_Handler,
@@ -271,6 +721,22 @@ var SmmCore_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetCategories",
 			Handler:    _SmmCore_GetCategories_Handler,
 		},
+		{
+			MethodName: "DeleteCategories",
+			Handler:    _SmmCore_DeleteCategories_Handler,
+		},
+		{
+			MethodName: "AddPosition",
+			Handler:    _SmmCore_AddPosition_Handler,
+		},
+		{
+			MethodName: "DeletePosition",
+			Handler:    _SmmCore_DeletePosition_Handler,
+		},
+		{
+			MethodName: "GetCategoriesStat",
+			Handler:    _SmmCore_GetCategoriesStat_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "smm_core.proto",
diff --git a/resources/smm_core.swagger.json b/resources/smm_core.swagger.json
index 49fb046..9eb7195 100644
--- a/resources/smm_core.swagger.json
+++ b/resources/smm_core.swagger.json
@@ -16,6 +16,228 @@
     "application/json"
   ],
   "paths": {
+    "/budgets": {
+      "get": {
+        "operationId": "SmmCore_GetBudgets",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreBudgets"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "tags": [
+          "SmmCore"
+        ]
+      },
+      "post": {
+        "summary": "budgets",
+        "operationId": "SmmCore_AddBudget",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreBudget"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/smm_coreAddBudgetReq"
+            }
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
+    "/budgets/{budgetId}/users": {
+      "put": {
+        "summary": "budget users",
+        "operationId": "SmmCore_AddUserToBudget",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreBudget"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "budgetId",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "name": "userId",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
+    "/budgets/{budgetId}/users/{userId}": {
+      "delete": {
+        "operationId": "SmmCore_RemoveUserFromBudget",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreBudget"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "budgetId",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "name": "userId",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
+    "/budgets/{id}": {
+      "delete": {
+        "operationId": "SmmCore_DeleteBudget",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreBudget"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      },
+      "put": {
+        "operationId": "SmmCore_UpdateBudget",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreBudget"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/SmmCoreUpdateBudgetBody"
+            }
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
+    "/budgets/{id}/users": {
+      "get": {
+        "operationId": "SmmCore_GetBudgetUsers",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreUsers"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
     "/categories": {
       "get": {
         "operationId": "SmmCore_GetCategories",
@@ -39,6 +261,13 @@
             "in": "query",
             "required": false,
             "type": "boolean"
+          },
+          {
+            "name": "budgetId",
+            "in": "query",
+            "required": false,
+            "type": "integer",
+            "format": "int32"
           }
         ],
         "tags": [
@@ -68,7 +297,7 @@
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/smm_coreCreateCategoryReq"
+              "$ref": "#/definitions/smm_coreAddCategoryReq"
             }
           }
         ],
@@ -78,6 +307,34 @@
       }
     },
     "/categories/{id}": {
+      "delete": {
+        "operationId": "SmmCore_DeleteCategories",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreCategory"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      },
       "put": {
         "operationId": "SmmCore_UpdateCategory",
         "responses": {
@@ -99,8 +356,7 @@
             "name": "id",
             "in": "path",
             "required": true,
-            "type": "integer",
-            "format": "int32"
+            "type": "string"
           },
           {
             "name": "name",
@@ -127,8 +383,41 @@
         ]
       }
     },
+    "/login": {
+      "post": {
+        "operationId": "SmmCore_Login",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreUser"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/smm_coreLoginReq"
+            }
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
     "/ping": {
       "get": {
+        "summary": "ping",
         "operationId": "SmmCore_Ping",
         "responses": {
           "200": {
@@ -149,6 +438,105 @@
         ]
       }
     },
+    "/positions": {
+      "post": {
+        "summary": "positions",
+        "operationId": "SmmCore_AddPosition",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_corePosition"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/smm_coreAddPositionReq"
+            }
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
+    "/positions/{id}": {
+      "delete": {
+        "operationId": "SmmCore_DeletePosition",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_corePosition"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
+    "/stat": {
+      "get": {
+        "summary": "stat",
+        "operationId": "SmmCore_GetCategoriesStat",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/smm_coreCategoriesStat"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "ids",
+            "in": "query",
+            "required": false,
+            "type": "array",
+            "items": {
+              "type": "integer",
+              "format": "int32"
+            },
+            "collectionFormat": "multi"
+          }
+        ],
+        "tags": [
+          "SmmCore"
+        ]
+      }
+    },
     "/users": {
       "post": {
         "summary": "users",
@@ -173,7 +561,7 @@
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/smm_coreCreateUserReq"
+              "$ref": "#/definitions/smm_coreAddUserReq"
             }
           }
         ],
@@ -184,6 +572,22 @@
     }
   },
   "definitions": {
+    "SmmCoreUpdateBudgetBody": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "startDay": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "monthlyLimit": {
+          "type": "integer",
+          "format": "int32"
+        }
+      }
+    },
     "protobufAny": {
       "type": "object",
       "properties": {
@@ -212,6 +616,103 @@
         }
       }
     },
+    "smm_coreAddBudgetReq": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "startDay": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "monthlyLimit": {
+          "type": "integer",
+          "format": "int32"
+        }
+      }
+    },
+    "smm_coreAddCategoryReq": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "budgetId": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "favorite": {
+          "type": "boolean"
+        },
+        "monthlyLimit": {
+          "type": "integer",
+          "format": "int32"
+        }
+      }
+    },
+    "smm_coreAddPositionReq": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "price": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "amount": {
+          "type": "number",
+          "format": "float"
+        },
+        "categoryId": {
+          "type": "integer",
+          "format": "int32"
+        }
+      }
+    },
+    "smm_coreAddUserReq": {
+      "type": "object",
+      "properties": {
+        "username": {
+          "type": "string"
+        },
+        "password": {
+          "type": "string"
+        }
+      }
+    },
+    "smm_coreBudget": {
+      "type": "object",
+      "properties": {
+        "id": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "startDay": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "monthlyLimit": {
+          "type": "integer",
+          "format": "int32"
+        }
+      }
+    },
+    "smm_coreBudgets": {
+      "type": "object",
+      "properties": {
+        "budgets": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/smm_coreBudget"
+          }
+        }
+      }
+    },
     "smm_coreCategories": {
       "type": "object",
       "properties": {
@@ -224,16 +725,31 @@
         }
       }
     },
+    "smm_coreCategoriesStat": {
+      "type": "object",
+      "properties": {
+        "stat": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/smm_coreCategoriesStat"
+          }
+        }
+      }
+    },
     "smm_coreCategory": {
       "type": "object",
       "properties": {
         "id": {
-          "type": "integer",
-          "format": "int32"
+          "type": "string"
         },
         "name": {
           "type": "string"
         },
+        "budgetId": {
+          "type": "integer",
+          "format": "int32"
+        },
         "favorite": {
           "type": "boolean"
         },
@@ -243,22 +759,7 @@
         }
       }
     },
-    "smm_coreCreateCategoryReq": {
-      "type": "object",
-      "properties": {
-        "name": {
-          "type": "string"
-        },
-        "favorite": {
-          "type": "boolean"
-        },
-        "monthlyLimit": {
-          "type": "integer",
-          "format": "int32"
-        }
-      }
-    },
-    "smm_coreCreateUserReq": {
+    "smm_coreLoginReq": {
       "type": "object",
       "properties": {
         "username": {
@@ -272,17 +773,47 @@
     "smm_corePingRsp": {
       "type": "object"
     },
+    "smm_corePosition": {
+      "type": "object",
+      "properties": {
+        "id": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "price": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "amount": {
+          "type": "number",
+          "format": "float"
+        }
+      }
+    },
     "smm_coreUser": {
       "type": "object",
       "properties": {
         "id": {
-          "type": "integer",
-          "format": "int32"
+          "type": "string"
         },
         "username": {
           "type": "string"
         }
       }
+    },
+    "smm_coreUsers": {
+      "type": "object",
+      "properties": {
+        "users": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/smm_coreUser"
+          }
+        }
+      }
     }
   }
 }