Create methods for deleting space

commonspace/headsync/diffsyncer.go

@@ -8,7 +8,7 @@ import (
 	"github.com/anytypeio/any-sync/commonspace/object/tree/synctree"
 	"github.com/anytypeio/any-sync/commonspace/object/treegetter"
 	"github.com/anytypeio/any-sync/commonspace/peermanager"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage"
 	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 	"github.com/anytypeio/any-sync/commonspace/syncstatus"
@@ -22,7 +22,7 @@ type DiffSyncer interface {
 	Sync(ctx context.Context) error
 	RemoveObjects(ids []string)
 	UpdateHeads(id string, heads []string)
-	Init(deletionState deletionstate.DeletionState)
+	Init(deletionState settingsstate.ObjectDeletionState)
 }
 
 func newDiffSyncer(
@@ -54,11 +54,11 @@ type diffSyncer struct {
 	storage       spacestorage.SpaceStorage
 	clientFactory spacesyncproto.ClientFactory
 	log           logger.CtxLogger
-	deletionState deletionstate.DeletionState
+	deletionState settingsstate.ObjectDeletionState
 	syncStatus    syncstatus.StatusUpdater
 }
 
-func (d *diffSyncer) Init(deletionState deletionstate.DeletionState) {
+func (d *diffSyncer) Init(deletionState settingsstate.ObjectDeletionState) {
 	d.deletionState = deletionState
 	d.deletionState.AddObserver(d.RemoveObjects)
 }

commonspace/headsync/diffsyncer_test.go

@@ -12,7 +12,7 @@ import (
 	mock_treestorage "github.com/anytypeio/any-sync/commonspace/object/tree/treestorage/mock_treestorage"
 	"github.com/anytypeio/any-sync/commonspace/object/treegetter/mock_treegetter"
 	"github.com/anytypeio/any-sync/commonspace/peermanager/mock_peermanager"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate/mock_deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate/mock_settingsstate"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage/mock_spacestorage"
 	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 	"github.com/anytypeio/any-sync/commonspace/spacesyncproto/mock_spacesyncproto"
@@ -106,7 +106,7 @@ func TestDiffSyncer_Sync(t *testing.T) {
 	factory := spacesyncproto.ClientFactoryFunc(func(cc drpc.Conn) spacesyncproto.DRPCSpaceSyncClient {
 		return clientMock
 	})
-	delState := mock_deletionstate.NewMockDeletionState(ctrl)
+	delState := mock_settingsstate.NewMockDeletionState(ctrl)
 	spaceId := "spaceId"
 	aclRootId := "aclRootId"
 	l := logger.NewNamed(spaceId)

commonspace/headsync/headsync.go

@@ -7,7 +7,7 @@ import (
 	"github.com/anytypeio/any-sync/app/logger"
 	"github.com/anytypeio/any-sync/commonspace/object/treegetter"
 	"github.com/anytypeio/any-sync/commonspace/peermanager"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage"
 	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 	"github.com/anytypeio/any-sync/commonspace/syncstatus"
@@ -24,7 +24,7 @@ type TreeHeads struct {
 }
 
 type HeadSync interface {
-	Init(objectIds []string, deletionState deletionstate.DeletionState)
+	Init(objectIds []string, deletionState settingsstate.ObjectDeletionState)
 
 	UpdateHeads(id string, heads []string)
 	HandleRangeRequest(ctx context.Context, req *spacesyncproto.HeadSyncRequest) (resp *spacesyncproto.HeadSyncResponse, err error)
@@ -81,7 +81,7 @@ func NewHeadSync(
 	}
 }
 
-func (d *headSync) Init(objectIds []string, deletionState deletionstate.DeletionState) {
+func (d *headSync) Init(objectIds []string, deletionState settingsstate.ObjectDeletionState) {
 	d.fillDiff(objectIds)
 	d.syncer.Init(deletionState)
 	d.periodicSync.Run()

commonspace/headsync/headsync_test.go

@@ -6,7 +6,7 @@ import (
 	"github.com/anytypeio/any-sync/app/logger"
 	"github.com/anytypeio/any-sync/commonspace/headsync/mock_headsync"
 	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage/mock_treestorage"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate/mock_deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate/mock_settingsstate"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage/mock_spacestorage"
 	"github.com/anytypeio/any-sync/util/periodicsync/mock_periodicsync"
 	"github.com/golang/mock/gomock"
@@ -24,7 +24,7 @@ func TestDiffService(t *testing.T) {
 	treeStorageMock := mock_treestorage.NewMockTreeStorage(ctrl)
 	diffMock := mock_ldiff.NewMockDiff(ctrl)
 	syncer := mock_headsync.NewMockDiffSyncer(ctrl)
-	delState := mock_deletionstate.NewMockDeletionState(ctrl)
+	delState := mock_settingsstate.NewMockDeletionState(ctrl)
 	syncPeriod := 1
 	initId := "initId"
 

commonspace/headsync/mock_headsync/mock_headsync.go

@@ -8,7 +8,7 @@ import (
 	context "context"
 	reflect "reflect"
 
-	deletionstate "github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	deletionstate "github.com/anytypeio/any-sync/commonspace/settings/settingsstate"
 	gomock "github.com/golang/mock/gomock"
 )
 
@@ -36,7 +36,7 @@ func (m *MockDiffSyncer) EXPECT() *MockDiffSyncerMockRecorder {
 }
 
 // Init mocks base method.
-func (m *MockDiffSyncer) Init(arg0 deletionstate.DeletionState) {
+func (m *MockDiffSyncer) Init(arg0 deletionstate.ObjectDeletionState) {
 	m.ctrl.T.Helper()
 	m.ctrl.Call(m, "Init", arg0)
 }

commonspace/settings/deleter.go

@@ -3,7 +3,7 @@ package settings
 import (
 	"context"
 	"github.com/anytypeio/any-sync/commonspace/object/treegetter"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage"
 	"go.uber.org/zap"
 )
@@ -14,11 +14,11 @@ type Deleter interface {
 
 type deleter struct {
 	st     spacestorage.SpaceStorage
-	state  deletionstate.DeletionState
+	state  settingsstate.ObjectDeletionState
 	getter treegetter.TreeGetter
 }
 
-func newDeleter(st spacestorage.SpaceStorage, state deletionstate.DeletionState, getter treegetter.TreeGetter) Deleter {
+func newDeleter(st spacestorage.SpaceStorage, state settingsstate.ObjectDeletionState, getter treegetter.TreeGetter) Deleter {
 	return &deleter{st, state, getter}
 }
 

commonspace/settings/deleter_test.go

@@ -3,7 +3,7 @@ package settings
 import (
 	"fmt"
 	"github.com/anytypeio/any-sync/commonspace/object/treegetter/mock_treegetter"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate/mock_deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate/mock_settingsstate"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage/mock_spacestorage"
 	"github.com/golang/mock/gomock"
@@ -14,7 +14,7 @@ func TestDeleter_Delete(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	treeGetter := mock_treegetter.NewMockTreeGetter(ctrl)
 	st := mock_spacestorage.NewMockSpaceStorage(ctrl)
-	delState := mock_deletionstate.NewMockDeletionState(ctrl)
+	delState := mock_settingsstate.NewMockDeletionState(ctrl)
 
 	deleter := newDeleter(st, delState, treeGetter)
 

commonspace/settings/deletionmanager.go

@@ -2,7 +2,7 @@ package settings
 
 import (
 	"github.com/anytypeio/any-sync/commonspace/object/treegetter"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate"
 	"time"
 )
 
@@ -15,13 +15,13 @@ type SpaceDeleter interface {
 }
 
 type DeletionManager interface {
-	UpdateState(state *State) (err error)
+	UpdateState(state *settingsstate.State) (err error)
 }
 
 func newDeletionManager(
 	spaceId string,
 	deletionInterval time.Duration,
-	deletionState deletionstate.DeletionState,
+	deletionState settingsstate.ObjectDeletionState,
 	provider SpaceIdsProvider,
 	onSpaceDelete func()) DeletionManager {
 	return &deletionManager{
@@ -34,7 +34,7 @@ func newDeletionManager(
 }
 
 type deletionManager struct {
-	deletionState    deletionstate.DeletionState
+	deletionState    settingsstate.ObjectDeletionState
 	provider         SpaceIdsProvider
 	treeGetter       treegetter.TreeGetter
 	deletionInterval time.Duration
@@ -42,7 +42,7 @@ type deletionManager struct {
 	onSpaceDelete    func()
 }
 
-func (d *deletionManager) UpdateState(state *State) (err error) {
+func (d *deletionManager) UpdateState(state *settingsstate.State) (err error) {
 	err = d.deletionState.Add(state.DeletedIds)
 	if err != nil {
 		log.Warn("failed to add deleted ids to deletion state")

commonspace/settings/settings.go

@@ -10,7 +10,7 @@ import (
 	"github.com/anytypeio/any-sync/commonspace/object/tree/synctree"
 	"github.com/anytypeio/any-sync/commonspace/object/tree/synctree/updatelistener"
 	"github.com/anytypeio/any-sync/commonspace/object/treegetter"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate"
 	spacestorage "github.com/anytypeio/any-sync/commonspace/spacestorage"
 	"go.uber.org/zap"
 	"time"
@@ -24,12 +24,16 @@ type SettingsObject interface {
 	synctree.SyncTree
 	Init(ctx context.Context) (err error)
 	DeleteObject(id string) (err error)
+	DeleteSpace(t time.Time) (err error)
+	RestoreSpace() (err error)
 }
 
 var (
 	ErrDeleteSelf       = errors.New("cannot delete self")
 	ErrAlreadyDeleted   = errors.New("the object is already deleted")
 	ErrObjDoesNotExist  = errors.New("the object does not exist")
+	ErrMarkedDeleted    = errors.New("this space is already marked deleted")
+	ErrMarkedNotDeleted = errors.New("this space is not marked not deleted")
 )
 
 type BuildTreeFunc func(ctx context.Context, id string, listener updatelistener.UpdateListener) (t synctree.SyncTree, err error)
@@ -39,13 +43,14 @@ type Deps struct {
 	Account       accountservice.Service
 	TreeGetter    treegetter.TreeGetter
 	Store         spacestorage.SpaceStorage
-	DeletionState deletionstate.DeletionState
+	DeletionState settingsstate.ObjectDeletionState
 	Provider      SpaceIdsProvider
 	OnSpaceDelete func()
 	// testing dependencies
-	builder    StateBuilder
+	builder       settingsstate.StateBuilder
 	del           Deleter
 	delManager    DeletionManager
+	changeFactory settingsstate.ChangeFactory
 }
 
 type settingsObject struct {
@@ -54,19 +59,22 @@ type settingsObject struct {
 	spaceId    string
 	treeGetter treegetter.TreeGetter
 	store      spacestorage.SpaceStorage
-	builder    StateBuilder
+	builder    settingsstate.StateBuilder
 	buildFunc  BuildTreeFunc
 	loop       *deleteLoop
 
-	deletionState   deletionstate.DeletionState
+	state           *settingsstate.State
+	deletionState   settingsstate.ObjectDeletionState
 	deletionManager DeletionManager
+	changeFactory   settingsstate.ChangeFactory
 }
 
 func NewSettingsObject(deps Deps, spaceId string) (obj SettingsObject) {
 	var (
 		deleter         Deleter
 		deletionManager DeletionManager
-		builder         StateBuilder
+		builder         settingsstate.StateBuilder
+		changeFactory   settingsstate.ChangeFactory
 	)
 	if deps.del == nil {
 		deleter = newDeleter(deps.Store, deps.DeletionState, deps.TreeGetter)
@@ -79,10 +87,15 @@ func NewSettingsObject(deps Deps, spaceId string) (obj SettingsObject) {
 		deletionManager = deps.delManager
 	}
 	if deps.builder == nil {
-		builder = newStateBuilder()
+		builder = settingsstate.NewStateBuilder()
 	} else {
 		builder = deps.builder
 	}
+	if deps.changeFactory == nil {
+		changeFactory = settingsstate.NewChangeFactory()
+	} else {
+		changeFactory = deps.changeFactory
+	}
 
 	loop := newDeleteLoop(func() {
 		deleter.Delete()
@@ -101,18 +114,20 @@ func NewSettingsObject(deps Deps, spaceId string) (obj SettingsObject) {
 		buildFunc:       deps.BuildFunc,
 		builder:         builder,
 		deletionManager: deletionManager,
+		changeFactory:   changeFactory,
 	}
 	obj = s
 	return
 }
 
 func (s *settingsObject) updateIds(tr objecttree.ObjectTree, isUpdate bool) {
-	state, err := s.builder.Build(tr, isUpdate)
+	var err error
+	s.state, err = s.builder.Build(tr, s.state, isUpdate)
 	if err != nil {
 		log.Error("failed to build state", zap.Error(err))
 		return
 	}
-	if err = s.deletionManager.UpdateState(state); err != nil {
+	if err = s.deletionManager.UpdateState(s.state); err != nil {
 		log.Error("failed to update state", zap.Error(err))
 	}
 }
@@ -145,12 +160,36 @@ func (s *settingsObject) Close() error {
 	return s.SyncTree.Close()
 }
 
-func (s *settingsObject) DeleteAccount() (err error) {
+func (s *settingsObject) DeleteSpace(t time.Time) (err error) {
-	return nil
+	s.Lock()
+	defer s.Unlock()
+	if !s.state.SpaceDeletionDate.IsZero() {
+		return ErrMarkedDeleted
 	}
 
-func (s *settingsObject) RestoreAccount() (err error) {
+	// TODO: add snapshot logic
-	return nil
+	res, err := s.changeFactory.CreateSpaceDeleteChange(t, s.state, false)
+	if err != nil {
+		return
+	}
+
+	return s.addContent(res)
+}
+
+func (s *settingsObject) RestoreSpace() (err error) {
+	s.Lock()
+	defer s.Unlock()
+	if s.state.SpaceDeletionDate.IsZero() {
+		return ErrMarkedNotDeleted
+	}
+
+	// TODO: add snapshot logic
+	res, err := s.changeFactory.CreateSpaceRestoreChange(s.state, false)
+	if err != nil {
+		return
+	}
+
+	return s.addContent(res)
 }
 
 func (s *settingsObject) DeleteObject(id string) (err error) {
@@ -171,14 +210,18 @@ func (s *settingsObject) DeleteObject(id string) (err error) {
 	}
 
 	// TODO: add snapshot logic
-	res, err := s.deletionState.CreateDeleteChange(id, false)
+	res, err := s.changeFactory.CreateObjectDeleteChange(id, s.state, false)
 	if err != nil {
 		return
 	}
 
+	return s.addContent(res)
+}
+
+func (s *settingsObject) addContent(data []byte) (err error) {
 	accountData := s.account.Account()
 	_, err = s.AddContent(context.Background(), objecttree.SignableChangeContent{
-		Data:        res,
+		Data:        data,
 		Key:         accountData.SignKey,
 		Identity:    accountData.Identity,
 		IsSnapshot:  false,

commonspace/settings/settings_test.go

@@ -9,7 +9,7 @@ import (
 	"github.com/anytypeio/any-sync/commonspace/object/tree/synctree/mock_synctree"
 	"github.com/anytypeio/any-sync/commonspace/object/tree/synctree/updatelistener"
 	"github.com/anytypeio/any-sync/commonspace/object/treegetter/mock_treegetter"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate/mock_deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate/mock_settingsstate"
 	"github.com/anytypeio/any-sync/commonspace/settings/mock_settings"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage/mock_spacestorage"
 	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
@@ -49,7 +49,7 @@ type settingsFixture struct {
 	provider     *mock_settings.MockDeletedIdsProvider
 	deleter      *mock_settings.MockDeleter
 	syncTree     *mock_synctree.MockSyncTree
-	delState     *mock_deletionstate.MockDeletionState
+	delState     *mock_settingsstate.MockDeletionState
 	account      *mock_accountservice.MockService
 }
 
@@ -61,7 +61,7 @@ func newSettingsFixture(t *testing.T) *settingsFixture {
 	acc := mock_accountservice.NewMockService(ctrl)
 	treeGetter := mock_treegetter.NewMockTreeGetter(ctrl)
 	st := mock_spacestorage.NewMockSpaceStorage(ctrl)
-	delState := mock_deletionstate.NewMockDeletionState(ctrl)
+	delState := mock_settingsstate.NewMockDeletionState(ctrl)
 	prov := mock_settings.NewMockDeletedIdsProvider(ctrl)
 	syncTree := mock_synctree.NewMockSyncTree(ctrl)
 	del := mock_settings.NewMockDeleter(ctrl)

commonspace/settings/settingsstate/changefactory.go

@@ -0,0 +1,64 @@
+package settingsstate
+
+import (
+	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
+	"time"
+)
+
+type ChangeFactory interface {
+	CreateObjectDeleteChange(id string, state *State, isSnapshot bool) (res []byte, err error)
+	CreateSpaceDeleteChange(t time.Time, state *State, isSnapshot bool) (res []byte, err error)
+	CreateSpaceRestoreChange(state *State, isSnapshot bool) (res []byte, err error)
+}
+
+func NewChangeFactory() ChangeFactory {
+	return &changeFactory{}
+}
+
+type changeFactory struct {
+}
+
+func (c *changeFactory) CreateObjectDeleteChange(id string, state *State, isSnapshot bool) (res []byte, err error) {
+	content := &spacesyncproto.SpaceSettingsContent_ObjectDelete{
+		ObjectDelete: &spacesyncproto.ObjectDelete{Id: id},
+	}
+	change := &spacesyncproto.SettingsData{
+		Content: []*spacesyncproto.SpaceSettingsContent{
+			{Value: content},
+		},
+		Snapshot: nil,
+	}
+	// TODO: add snapshot logic
+	res, err = change.Marshal()
+	return
+}
+
+func (c *changeFactory) CreateSpaceDeleteChange(t time.Time, state *State, isSnapshot bool) (res []byte, err error) {
+	content := &spacesyncproto.SpaceSettingsContent_SpaceDelete{
+		SpaceDelete: &spacesyncproto.SpaceDelete{Timestamp: t.UnixNano()},
+	}
+	change := &spacesyncproto.SettingsData{
+		Content: []*spacesyncproto.SpaceSettingsContent{
+			{Value: content},
+		},
+		Snapshot: nil,
+	}
+	// TODO: add snapshot logic
+	res, err = change.Marshal()
+	return
+}
+
+func (c *changeFactory) CreateSpaceRestoreChange(state *State, isSnapshot bool) (res []byte, err error) {
+	content := &spacesyncproto.SpaceSettingsContent_SpaceDelete{
+		SpaceDelete: &spacesyncproto.SpaceDelete{},
+	}
+	change := &spacesyncproto.SettingsData{
+		Content: []*spacesyncproto.SpaceSettingsContent{
+			{Value: content},
+		},
+		Snapshot: nil,
+	}
+	// TODO: add snapshot logic
+	res, err = change.Marshal()
+	return
+}

commonspace/settings/settingsstate/deletionstate.go

@@ -1,25 +1,23 @@
 //go:generate mockgen -destination mock_deletionstate/mock_deletionstate.go github.com/anytypeio/any-sync/commonspace/settings/deletionstate DeletionState
-package deletionstate
+package settingsstate
 
 import (
 	"github.com/anytypeio/any-sync/commonspace/spacestorage"
-	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 	"sync"
 )
 
 type StateUpdateObserver func(ids []string)
 
-type DeletionState interface {
+type ObjectDeletionState interface {
 	AddObserver(observer StateUpdateObserver)
 	Add(ids []string) (err error)
 	GetQueued() (ids []string)
 	Delete(id string) (err error)
 	Exists(id string) bool
 	FilterJoin(ids ...[]string) (filtered []string)
-	CreateDeleteChange(id string, isSnapshot bool) (res []byte, err error)
 }
 
-type deletionState struct {
+type objectDeletionState struct {
 	sync.RWMutex
 	queued               map[string]struct{}
 	deleted              map[string]struct{}
@@ -27,21 +25,21 @@ type deletionState struct {
 	storage              spacestorage.SpaceStorage
 }
 
-func NewDeletionState(storage spacestorage.SpaceStorage) DeletionState {
+func NewObjectDeletionState(storage spacestorage.SpaceStorage) ObjectDeletionState {
-	return &deletionState{
+	return &objectDeletionState{
 		queued:  map[string]struct{}{},
 		deleted: map[string]struct{}{},
 		storage: storage,
 	}
 }
 
-func (st *deletionState) AddObserver(observer StateUpdateObserver) {
+func (st *objectDeletionState) AddObserver(observer StateUpdateObserver) {
 	st.Lock()
 	defer st.Unlock()
 	st.stateUpdateObservers = append(st.stateUpdateObservers, observer)
 }
 
-func (st *deletionState) Add(ids []string) (err error) {
+func (st *objectDeletionState) Add(ids []string) (err error) {
 	st.Lock()
 	defer func() {
 		st.Unlock()
@@ -83,7 +81,7 @@ func (st *deletionState) Add(ids []string) (err error) {
 	return
 }
 
-func (st *deletionState) GetQueued() (ids []string) {
+func (st *objectDeletionState) GetQueued() (ids []string) {
 	st.RLock()
 	defer st.RUnlock()
 	ids = make([]string, 0, len(st.queued))
@@ -93,7 +91,7 @@ func (st *deletionState) GetQueued() (ids []string) {
 	return
 }
 
-func (st *deletionState) Delete(id string) (err error) {
+func (st *objectDeletionState) Delete(id string) (err error) {
 	st.Lock()
 	defer st.Unlock()
 	delete(st.queued, id)
@@ -105,13 +103,13 @@ func (st *deletionState) Delete(id string) (err error) {
 	return
 }
 
-func (st *deletionState) Exists(id string) bool {
+func (st *objectDeletionState) Exists(id string) bool {
 	st.RLock()
 	defer st.RUnlock()
 	return st.exists(id)
 }
 
-func (st *deletionState) FilterJoin(ids ...[]string) (filtered []string) {
+func (st *objectDeletionState) FilterJoin(ids ...[]string) (filtered []string) {
 	st.RLock()
 	defer st.RUnlock()
 	filter := func(ids []string) {
@@ -127,22 +125,7 @@ func (st *deletionState) FilterJoin(ids ...[]string) (filtered []string) {
 	return
 }
 
-func (st *deletionState) CreateDeleteChange(id string, isSnapshot bool) (res []byte, err error) {
+func (st *objectDeletionState) exists(id string) bool {
-	content := &spacesyncproto.SpaceSettingsContent_ObjectDelete{
-		ObjectDelete: &spacesyncproto.ObjectDelete{Id: id},
-	}
-	change := &spacesyncproto.SettingsData{
-		Content: []*spacesyncproto.SpaceSettingsContent{
-			{Value: content},
-		},
-		Snapshot: nil,
-	}
-	// TODO: add snapshot logic
-	res, err = change.Marshal()
-	return
-}
-
-func (st *deletionState) exists(id string) bool {
 	if _, exists := st.deleted[id]; exists {
 		return true
 	}

commonspace/settings/settingsstate/deletionstate_test.go

@@ -1,4 +1,4 @@
-package deletionstate
+package settingsstate
 
 import (
 	"github.com/anytypeio/any-sync/commonspace/spacestorage"
@@ -11,14 +11,14 @@ import (
 
 type fixture struct {
 	ctrl         *gomock.Controller
-	delState     *deletionState
+	delState     *objectDeletionState
 	spaceStorage *mock_spacestorage.MockSpaceStorage
 }
 
 func newFixture(t *testing.T) *fixture {
 	ctrl := gomock.NewController(t)
 	spaceStorage := mock_spacestorage.NewMockSpaceStorage(ctrl)
-	delState := NewDeletionState(spaceStorage).(*deletionState)
+	delState := NewObjectDeletionState(spaceStorage).(*objectDeletionState)
 	return &fixture{
 		ctrl:         ctrl,
 		delState:     delState,

commonspace/settings/settingsstate/mock_settingsstate/mock_deletionstate.go

@@ -1,17 +1,17 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anytypeio/any-sync/commonspace/settings/deletionstate (interfaces: DeletionState)
+// Source: github.com/anytypeio/any-sync/commonspace/settings/deletionstate (interfaces: ObjectDeletionState)
 
 // Package mock_deletionstate is a generated GoMock package.
-package mock_deletionstate
+package mock_settingsstate
 
 import (
 	reflect "reflect"
 
-	deletionstate "github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	deletionstate "github.com/anytypeio/any-sync/commonspace/settings/settingsstate"
 	gomock "github.com/golang/mock/gomock"
 )
 
-// MockDeletionState is a mock of DeletionState interface.
+// MockDeletionState is a mock of ObjectDeletionState interface.
 type MockDeletionState struct {
 	ctrl     *gomock.Controller
 	recorder *MockDeletionStateMockRecorder
@@ -61,7 +61,7 @@ func (mr *MockDeletionStateMockRecorder) AddObserver(arg0 interface{}) *gomock.C
 }
 
 // CreateDeleteChange mocks base method.
-func (m *MockDeletionState) CreateDeleteChange(arg0 string, arg1 bool) ([]byte, error) {
+func (m *MockDeletionState) CreateObjectDeleteChange(arg0 string, arg1 bool) ([]byte, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "CreateDeleteChange", arg0, arg1)
 	ret0, _ := ret[0].([]byte)
@@ -72,7 +72,7 @@ func (m *MockDeletionState) CreateDeleteChange(arg0 string, arg1 bool) ([]byte,
 // CreateDeleteChange indicates an expected call of CreateDeleteChange.
 func (mr *MockDeletionStateMockRecorder) CreateDeleteChange(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateDeleteChange", reflect.TypeOf((*MockDeletionState)(nil).CreateDeleteChange), arg0, arg1)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateDeleteChange", reflect.TypeOf((*MockDeletionState)(nil).CreateObjectDeleteChange), arg0, arg1)
 }
 
 // Delete mocks base method.

commonspace/settings/settingsstate/settingsstate.go

@@ -1,4 +1,4 @@
-package settings
+package settingsstate
 
 import "time"
 

commonspace/settings/settingsstate/statebuilder.go

@@ -1,4 +1,4 @@
-package settings
+package settingsstate
 
 import (
 	"github.com/anytypeio/any-sync/commonspace/object/tree/objecttree"
@@ -8,24 +8,18 @@ import (
 )
 
 type StateBuilder interface {
-	Build(tree objecttree.ObjectTree, isUpdate bool) (*State, error)
+	Build(tree objecttree.ObjectTree, state *State, isUpdate bool) (*State, error)
 }
 
-func newStateBuilder() StateBuilder {
+func NewStateBuilder() StateBuilder {
 	return &stateBuilder{}
 }
 
 type stateBuilder struct {
-	state *State
 }
 
-func (s *stateBuilder) Build(tr objecttree.ObjectTree, isUpdate bool) (state *State, err error) {
+func (s *stateBuilder) Build(tr objecttree.ObjectTree, oldState *State, isUpdate bool) (state *State, err error) {
-	state = s.state
+	state = oldState
-	defer func() {
-		if err == nil {
-			s.state = state
-		}
-	}()
 
 	if !isUpdate || state == nil {
 		state = &State{}

commonspace/space.go

@@ -18,7 +18,7 @@ import (
 	"github.com/anytypeio/any-sync/commonspace/objectsync"
 	"github.com/anytypeio/any-sync/commonspace/peermanager"
 	"github.com/anytypeio/any-sync/commonspace/settings"
-	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/settings/settingsstate"
 	"github.com/anytypeio/any-sync/commonspace/spacestorage"
 	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 	"github.com/anytypeio/any-sync/commonspace/syncstatus"
@@ -99,6 +99,9 @@ type Space interface {
 	DeleteTree(ctx context.Context, id string) (err error)
 	BuildHistoryTree(ctx context.Context, id string, opts HistoryTreeOpts) (t objecttree.HistoryTree, err error)
 
+	DeleteSpace(ctx context.Context, t time.Time) (err error)
+	RestoreSpace(ctx context.Context) (err error)
+
 	HeadSync() headsync.HeadSync
 	ObjectSync() objectsync.ObjectSync
 	SyncStatus() syncstatus.StatusUpdater
@@ -191,7 +194,7 @@ func (s *space) Init(ctx context.Context) (err error) {
 	s.aclList = syncacl.NewSyncAcl(aclList, s.objectSync.MessagePool())
 	s.cache.AddObject(s.aclList)
 
-	deletionState := deletionstate.NewDeletionState(s.storage)
+	deletionState := settingsstate.NewObjectDeletionState(s.storage)
 	deps := settings.Deps{
 		BuildFunc: func(ctx context.Context, id string, listener updatelistener.UpdateListener) (t synctree.SyncTree, err error) {
 			res, err := s.BuildTree(ctx, id, BuildTreeOpts{
@@ -365,6 +368,14 @@ func (s *space) DeleteTree(ctx context.Context, id string) (err error) {
 	return s.settingsObject.DeleteObject(id)
 }
 
+func (s *space) DeleteSpace(ctx context.Context, t time.Time) (err error) {
+	return s.settingsObject.DeleteSpace(t)
+}
+
+func (s *space) RestoreSpace(ctx context.Context) (err error) {
+	return s.settingsObject.RestoreSpace()
+}
+
 func (s *space) HandleMessage(ctx context.Context, hm HandleMessage) (err error) {
 	threadId := hm.Message.ObjectId
 	if hm.Message.ReplyId != "" {