diff --git a/core/mocks/Datastore.go b/core/mocks/Datastore.go
index e494d81..dccd686 100644
--- a/core/mocks/Datastore.go
+++ b/core/mocks/Datastore.go
@@ -993,3 +993,74 @@ func (_m *Datastore) VerifyUser(_a0 string) error {
 
 	return r0
 }
+
+// Attachment interface mock methods
+func (_m *Datastore) InsertAttachment(_a0 *types.Attachment) error {
+	ret := _m.Called(_a0)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(*types.Attachment) error); ok {
+		r0 = rf(_a0)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
+func (_m *Datastore) GetAttachment(_a0 string, _a1 string, _a2 string) (*types.Attachment, error) {
+	ret := _m.Called(_a0, _a1, _a2)
+
+	var r0 *types.Attachment
+	if rf, ok := ret.Get(0).(func(string, string, string) *types.Attachment); ok {
+		r0 = rf(_a0, _a1, _a2)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*types.Attachment)
+		}
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(string, string, string) error); ok {
+		r1 = rf(_a0, _a1, _a2)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+func (_m *Datastore) GetAttachmentsByTransaction(_a0 string, _a1 string) ([]*types.Attachment, error) {
+	ret := _m.Called(_a0, _a1)
+
+	var r0 []*types.Attachment
+	if rf, ok := ret.Get(0).(func(string, string) []*types.Attachment); ok {
+		r0 = rf(_a0, _a1)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]*types.Attachment)
+		}
+	}
+
+	var r1 error
+	if rf, ok := ret.Get(1).(func(string, string) error); ok {
+		r1 = rf(_a0, _a1)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+func (_m *Datastore) DeleteAttachment(_a0 string, _a1 string, _a2 string) error {
+	ret := _m.Called(_a0, _a1, _a2)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(string, string, string) error); ok {
+		r0 = rf(_a0, _a1, _a2)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}