Merge branch 'nodesync'

This reverts commit 7f5df570631033b017e2d724f7cd118445834ec9.

.github/dependabot.yml

@@ -1,14 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-  - package-ecosystem: "gomod"
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "weekly"
-    ignore:
-      - dependency-name: "github.com/anyproto/go-chash"
-      

.github/workflows/coverage.yml

@@ -7,7 +7,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     env:
-      GOPRIVATE: github.com/anyproto
+      GOPRIVATE: github.com/anytypeio
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3

LICENSE

@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2023 Any Association
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
-OR OTHER DEALINGS IN THE SOFTWARE.

Makefile

@@ -1,5 +1,5 @@
 .PHONY: proto test deps
-export GOPRIVATE=github.com/anyproto
+export GOPRIVATE=github.com/anytypeio
 export PATH:=deps:$(PATH)
 
 proto:
@@ -7,19 +7,14 @@ proto:
 
 	@$(eval P_ACL_RECORDS_PATH_PB := commonspace/object/acl/aclrecordproto)
 	@$(eval P_TREE_CHANGES_PATH_PB := commonspace/object/tree/treechangeproto)
-	@$(eval P_CRYPTO_PATH_PB := util/crypto/cryptoproto)
-	@$(eval P_ACL_RECORDS := M$(P_ACL_RECORDS_PATH_PB)/protos/aclrecord.proto=github.com/anyproto/any-sync/$(P_ACL_RECORDS_PATH_PB))
-	@$(eval P_TREE_CHANGES := M$(P_TREE_CHANGES_PATH_PB)/protos/treechange.proto=github.com/anyproto/any-sync/$(P_TREE_CHANGES_PATH_PB))
+	@$(eval P_ACL_RECORDS := M$(P_ACL_RECORDS_PATH_PB)/protos/aclrecord.proto=github.com/anytypeio/any-sync/$(P_ACL_RECORDS_PATH_PB))
+	@$(eval P_TREE_CHANGES := M$(P_TREE_CHANGES_PATH_PB)/protos/treechange.proto=github.com/anytypeio/any-sync/$(P_TREE_CHANGES_PATH_PB))
 
 	protoc --gogofaster_out=:. $(P_ACL_RECORDS_PATH_PB)/protos/*.proto
 	protoc --gogofaster_out=:. $(P_TREE_CHANGES_PATH_PB)/protos/*.proto
-	protoc --gogofaster_out=:. $(P_CRYPTO_PATH_PB)/protos/*.proto
 	$(eval PKGMAP := $$(P_TREE_CHANGES),$$(P_ACL_RECORDS))
 	protoc --gogofaster_out=$(PKGMAP):. --go-drpc_out=protolib=github.com/gogo/protobuf:. commonspace/spacesyncproto/protos/*.proto
 	protoc --gogofaster_out=$(PKGMAP):. --go-drpc_out=protolib=github.com/gogo/protobuf:. commonfile/fileproto/protos/*.proto
-	protoc --gogofaster_out=$(PKGMAP):. --go-drpc_out=protolib=github.com/gogo/protobuf:. net/streampool/testservice/protos/*.proto
-	protoc --gogofaster_out=:. net/secureservice/handshake/handshakeproto/protos/*.proto
-	protoc --gogofaster_out=$(PKGMAP):. --go-drpc_out=protolib=github.com/gogo/protobuf:. coordinator/coordinatorproto/protos/*.proto
 
 deps:
 	go mod download

accountservice/accountservice.go

@@ -1,22 +1,23 @@
-//go:generate mockgen -destination mock_accountservice/mock_accountservice.go github.com/anyproto/any-sync/accountservice Service
+//go:generate mockgen -destination mock_accountservice/mock_accountservice.go github.com/anytypeio/any-sync/accountservice Service
 package accountservice
 
 import (
-	"github.com/anyproto/any-sync/app"
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
+	"github.com/anytypeio/any-sync/app"
+	"github.com/anytypeio/any-sync/commonspace/object/accountdata"
 )
 
 const CName = "common.accountservice"
 
 type Service interface {
 	app.Component
-	Account() *accountdata.AccountKeys
+	Account() *accountdata.AccountData
 }
 
 type Config struct {
-	PeerId     string `yaml:"peerId"`
-	PeerKey    string `yaml:"peerKey"`
-	SigningKey string `yaml:"signingKey"`
+	PeerId        string `yaml:"peerId"`
+	PeerKey       string `yaml:"peerKey"`
+	SigningKey    string `yaml:"signingKey"`
+	EncryptionKey string `yaml:"encryptionKey"`
 }
 
 type ConfigGetter interface {

accountservice/mock_accountservice/helper.go

@@ -1,12 +1,12 @@
 package mock_accountservice
 
 import (
-	"github.com/anyproto/any-sync/accountservice"
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
+	"github.com/anytypeio/any-sync/accountservice"
+	"github.com/anytypeio/any-sync/commonspace/object/accountdata"
 	"github.com/golang/mock/gomock"
 )
 
-func NewAccountServiceWithAccount(ctrl *gomock.Controller, acc *accountdata.AccountKeys) *MockService {
+func NewAccountServiceWithAccount(ctrl *gomock.Controller, acc *accountdata.AccountData) *MockService {
 	mock := NewMockService(ctrl)
 	mock.EXPECT().Name().Return(accountservice.CName).AnyTimes()
 	mock.EXPECT().Init(gomock.Any()).AnyTimes()

accountservice/mock_accountservice/mock_accountservice.go

@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anyproto/any-sync/accountservice (interfaces: Service)
+// Source: github.com/anytypeio/any-sync/accountservice (interfaces: Service)
 
 // Package mock_accountservice is a generated GoMock package.
 package mock_accountservice
@@ -7,8 +7,8 @@ package mock_accountservice
 import (
 	reflect "reflect"
 
-	app "github.com/anyproto/any-sync/app"
-	accountdata "github.com/anyproto/any-sync/commonspace/object/accountdata"
+	app "github.com/anytypeio/any-sync/app"
+	accountdata "github.com/anytypeio/any-sync/commonspace/object/accountdata"
 	gomock "github.com/golang/mock/gomock"
 )
 
@@ -36,10 +36,10 @@ func (m *MockService) EXPECT() *MockServiceMockRecorder {
 }
 
 // Account mocks base method.
-func (m *MockService) Account() *accountdata.AccountKeys {
+func (m *MockService) Account() *accountdata.AccountData {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Account")
-	ret0, _ := ret[0].(*accountdata.AccountKeys)
+	ret0, _ := ret[0].(*accountdata.AccountData)
 	return ret0
 }
 

app/app.go

@@ -4,11 +4,10 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/anyproto/any-sync/app/logger"
+	"github.com/anytypeio/any-sync/app/logger"
 	"go.uber.org/zap"
 	"os"
 	"runtime"
-	"runtime/debug"
 	"strings"
 	"sync"
 	"time"
@@ -16,15 +15,12 @@ import (
 
 var (
 	// values of this vars will be defined while compilation
-	AppName, GitCommit, GitBranch, GitState, GitSummary, BuildDate string
-	name                                                           string
+	GitCommit, GitBranch, GitState, GitSummary, BuildDate string
+	name                                                  string
 )
 
 var (
-	log               = logger.NewNamed("app")
-	StopDeadline      = time.Minute
-	StopWarningAfter  = time.Second * 10
-	StartWarningAfter = time.Second * 10
+	log = logger.NewNamed("app")
 )
 
 // Component is a minimal interface for a common app.Component
@@ -55,12 +51,10 @@ type ComponentStatable interface {
 // App is the central part of the application
 // It contains and manages all components
 type App struct {
-	components     []Component
-	mu             sync.RWMutex
-	startStat      Stat
-	stopStat       Stat
-	deviceState    int
-	anySyncVersion string
+	components  []Component
+	mu          sync.RWMutex
+	startStat   StartStat
+	deviceState int
 }
 
 // Name returns app name
@@ -68,34 +62,23 @@ func (app *App) Name() string {
 	return name
 }
 
-func (app *App) AppName() string {
-	return AppName
-}
-
 // Version return app version
 func (app *App) Version() string {
 	return GitSummary
 }
 
-type Stat struct {
+type StartStat struct {
 	SpentMsPerComp map[string]int64
 	SpentMsTotal   int64
 }
 
-// StartStat returns total time spent per comp for the last Start
-func (app *App) StartStat() Stat {
+// StartStat returns total time spent per comp
+func (app *App) StartStat() StartStat {
 	app.mu.Lock()
 	defer app.mu.Unlock()
 	return app.startStat
 }
 
-// StopStat returns total time spent per comp for the last Close
-func (app *App) StopStat() Stat {
-	app.mu.Lock()
-	defer app.mu.Unlock()
-	return app.stopStat
-}
-
 // VersionDescription return the full info about the build
 func (app *App) VersionDescription() string {
 	return VersionDescription()
@@ -175,17 +158,7 @@ func (app *App) Start(ctx context.Context) (err error) {
 	app.mu.RLock()
 	defer app.mu.RUnlock()
 	app.startStat.SpentMsPerComp = make(map[string]int64)
-	var currentComponentStarting string
-	done := make(chan struct{})
-	go func() {
-		select {
-		case <-done:
-			return
-		case <-time.After(StartWarningAfter):
-			l := statLogger(app.stopStat, log).With(zap.String("in_progress", currentComponentStarting))
-			l.Warn("components start in progress")
-		}
-	}()
+
 	closeServices := func(idx int) {
 		for i := idx; i >= 0; i-- {
 			if serviceClose, ok := app.components[i].(ComponentRunnable); ok {
@@ -199,7 +172,7 @@ func (app *App) Start(ctx context.Context) (err error) {
 	for i, s := range app.components {
 		if err = s.Init(app); err != nil {
 			closeServices(i)
-			return fmt.Errorf("can't init service '%s': %w", s.Name(), err)
+			return fmt.Errorf("can't init service '%s': %v", s.Name(), err)
 		}
 	}
 
@@ -208,20 +181,14 @@ func (app *App) Start(ctx context.Context) (err error) {
 			start := time.Now()
 			if err = serviceRun.Run(ctx); err != nil {
 				closeServices(i)
-				return fmt.Errorf("can't run service '%s': %w", serviceRun.Name(), err)
+				return fmt.Errorf("can't run service '%s': %v", serviceRun.Name(), err)
 			}
 			spent := time.Since(start).Milliseconds()
 			app.startStat.SpentMsTotal += spent
 			app.startStat.SpentMsPerComp[s.Name()] = spent
 		}
 	}
-
-	close(done)
-	l := statLogger(app.stopStat, log)
-	if app.startStat.SpentMsTotal > StartWarningAfter.Milliseconds() {
-		l.Warn("all components started")
-	}
-	l.Debug("all components started")
+	log.Debug("all components started")
 	return
 }
 
@@ -236,41 +203,18 @@ func stackAllGoroutines() []byte {
 	}
 }
 
-func statLogger(stat Stat, ctxLogger logger.CtxLogger) logger.CtxLogger {
-	l := ctxLogger
-	for k, v := range stat.SpentMsPerComp {
-		l = l.With(zap.Int64(k, v))
-	}
-	l = l.With(zap.Int64("total", stat.SpentMsTotal))
-
-	return l
-}
-
 // Close stops the application
 // All components with ComponentRunnable implementation will be closed in the reversed order
 func (app *App) Close(ctx context.Context) error {
 	log.Debug("close components...")
 	app.mu.RLock()
 	defer app.mu.RUnlock()
-	app.stopStat.SpentMsPerComp = make(map[string]int64)
-	var currentComponentStopping string
 	done := make(chan struct{})
-
 	go func() {
 		select {
 		case <-done:
 			return
-		case <-time.After(StopWarningAfter):
-			statLogger(app.stopStat, log).
-				With(zap.String("in_progress", currentComponentStopping)).
-				Warn("components close in progress")
-		}
-	}()
-	go func() {
-		select {
-		case <-done:
-			return
-		case <-time.After(StopDeadline):
+		case <-time.After(time.Minute):
 			_, _ = os.Stderr.Write([]byte("app.Close timeout\n"))
 			_, _ = os.Stderr.Write(stackAllGoroutines())
 			panic("app.Close timeout")
@@ -280,27 +224,16 @@ func (app *App) Close(ctx context.Context) error {
 	var errs []string
 	for i := len(app.components) - 1; i >= 0; i-- {
 		if serviceClose, ok := app.components[i].(ComponentRunnable); ok {
-			start := time.Now()
-			currentComponentStopping = app.components[i].Name()
 			if e := serviceClose.Close(ctx); e != nil {
 				errs = append(errs, fmt.Sprintf("Component '%s' close error: %v", serviceClose.Name(), e))
 			}
-			spent := time.Since(start).Milliseconds()
-			app.stopStat.SpentMsTotal += spent
-			app.stopStat.SpentMsPerComp[app.components[i].Name()] = spent
 		}
 	}
 	close(done)
 	if len(errs) > 0 {
 		return errors.New(strings.Join(errs, "\n"))
 	}
-
-	l := statLogger(app.stopStat, log)
-	if app.stopStat.SpentMsTotal > StopWarningAfter.Milliseconds() {
-		l.Warn("all components have been closed")
-	}
-
-	l.Debug("all components have been closed")
+	log.Debug("all components have been closed")
 	return nil
 }
 
@@ -317,20 +250,3 @@ func (app *App) SetDeviceState(state int) {
 		}
 	}
 }
-
-var onceVersion sync.Once
-
-func (app *App) AnySyncVersion() string {
-	onceVersion.Do(func() {
-		info, ok := debug.ReadBuildInfo()
-		if ok {
-			for _, mod := range info.Deps {
-				if mod.Path == "github.com/anyproto/any-sync" {
-					app.anySyncVersion = mod.Version
-					break
-				}
-			}
-		}
-	})
-	return app.anySyncVersion
-}

app/ldiff/diff.go

@@ -1,7 +1,7 @@
 // Package ldiff provides a container of elements with fixed id and changeable content.
 // Diff can calculate the difference with another diff container (you can make it remote) with minimum hops and traffic.
 //
-//go:generate mockgen -destination mock_ldiff/mock_ldiff.go github.com/anyproto/any-sync/app/ldiff Diff,Remote
+//go:generate mockgen -destination mock_ldiff/mock_ldiff.go github.com/anytypeio/any-sync/app/ldiff Diff,Remote
 package ldiff
 
 import (
@@ -51,7 +51,7 @@ var hashersPool = &sync.Pool{
 	},
 }
 
-var ErrElementNotFound = errors.New("ldiff: element not found")
+var ErrElementNotFound = errors.New("element not found")
 
 // Element of data
 type Element struct {
@@ -88,14 +88,10 @@ type Diff interface {
 	Diff(ctx context.Context, dl Remote) (newIds, changedIds, removedIds []string, err error)
 	// Elements retrieves all elements in the Diff
 	Elements() []Element
-	// Element returns an element by id
-	Element(id string) (Element, error)
 	// Ids retrieves ids of all elements in the Diff
 	Ids() []string
 	// Hash returns hash of all elements in the diff
 	Hash() string
-	// Len returns count of elements in the diff
-	Len() int
 }
 
 // Remote interface for using in the Diff
@@ -161,12 +157,6 @@ func (d *diff) Ids() (ids []string) {
 	return
 }
 
-func (d *diff) Len() int {
-	d.mu.RLock()
-	defer d.mu.RUnlock()
-	return d.sl.Len()
-}
-
 func (d *diff) Elements() (elements []Element) {
 	d.mu.RLock()
 	defer d.mu.RUnlock()
@@ -182,19 +172,6 @@ func (d *diff) Elements() (elements []Element) {
 	return
 }
 
-func (d *diff) Element(id string) (Element, error) {
-	d.mu.RLock()
-	defer d.mu.RUnlock()
-	el := d.sl.Get(&element{Element: Element{Id: id}, hash: xxhash.Sum64([]byte(id))})
-	if el == nil {
-		return Element{}, ErrElementNotFound
-	}
-	if e, ok := el.Key().(*element); ok {
-		return e.Element, nil
-	}
-	return Element{}, ErrElementNotFound
-}
-
 func (d *diff) Hash() string {
 	d.mu.RLock()
 	defer d.mu.RUnlock()

app/ldiff/diff_test.go

@@ -3,11 +3,10 @@ package ldiff
 import (
 	"context"
 	"fmt"
-	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"gopkg.in/mgo.v2/bson"
 	"math"
-	"sort"
 	"testing"
 )
 
@@ -44,7 +43,7 @@ func TestDiff_Diff(t *testing.T) {
 		d2 := New(16, 16)
 		for i := 0; i < 1000; i++ {
 			id := fmt.Sprint(i)
-			head := uuid.NewString()
+			head := bson.NewObjectId().Hex()
 			d1.Set(Element{
 				Id:   id,
 				Head: head,
@@ -92,7 +91,7 @@ func TestDiff_Diff(t *testing.T) {
 		for i := 0; i < 10; i++ {
 			d2.Set(Element{
 				Id:   fmt.Sprint(i),
-				Head: uuid.NewString(),
+				Head: bson.NewObjectId().Hex(),
 			})
 		}
 
@@ -108,7 +107,7 @@ func TestDiff_Diff(t *testing.T) {
 		for i := 0; i < 10; i++ {
 			d2.Set(Element{
 				Id:   fmt.Sprint(i),
-				Head: uuid.NewString(),
+				Head: bson.NewObjectId().Hex(),
 			})
 		}
 		var cancel func()
@@ -123,7 +122,7 @@ func BenchmarkDiff_Ranges(b *testing.B) {
 	d := New(16, 16)
 	for i := 0; i < 10000; i++ {
 		id := fmt.Sprint(i)
-		head := uuid.NewString()
+		head := bson.NewObjectId().Hex()
 		d.Set(Element{
 			Id:   id,
 			Head: head,
@@ -149,51 +148,3 @@ func TestDiff_Hash(t *testing.T) {
 	assert.NotEmpty(t, h2)
 	assert.NotEqual(t, h1, h2)
 }
-
-func TestDiff_Element(t *testing.T) {
-	d := New(16, 16)
-	for i := 0; i < 10; i++ {
-		d.Set(Element{Id: fmt.Sprint("id", i), Head: fmt.Sprint("head", i)})
-	}
-	_, err := d.Element("not found")
-	assert.Equal(t, ErrElementNotFound, err)
-
-	el, err := d.Element("id5")
-	require.NoError(t, err)
-	assert.Equal(t, "head5", el.Head)
-
-	d.Set(Element{"id5", "otherHead"})
-	el, err = d.Element("id5")
-	require.NoError(t, err)
-	assert.Equal(t, "otherHead", el.Head)
-}
-
-func TestDiff_Ids(t *testing.T) {
-	d := New(16, 16)
-	var ids []string
-	for i := 0; i < 10; i++ {
-		id := fmt.Sprint("id", i)
-		d.Set(Element{Id: id, Head: fmt.Sprint("head", i)})
-		ids = append(ids, id)
-	}
-	gotIds := d.Ids()
-	sort.Strings(gotIds)
-	assert.Equal(t, ids, gotIds)
-	assert.Equal(t, len(ids), d.Len())
-}
-
-func TestDiff_Elements(t *testing.T) {
-	d := New(16, 16)
-	var els []Element
-	for i := 0; i < 10; i++ {
-		id := fmt.Sprint("id", i)
-		el := Element{Id: id, Head: fmt.Sprint("head", i)}
-		d.Set(el)
-		els = append(els, el)
-	}
-	gotEls := d.Elements()
-	sort.Slice(gotEls, func(i, j int) bool {
-		return gotEls[i].Id < gotEls[j].Id
-	})
-	assert.Equal(t, els, gotEls)
-}

app/ldiff/mock_ldiff/mock_ldiff.go

@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anyproto/any-sync/app/ldiff (interfaces: Diff,Remote)
+// Source: github.com/anytypeio/any-sync/app/ldiff (interfaces: Diff,Remote)
 
 // Package mock_ldiff is a generated GoMock package.
 package mock_ldiff
@@ -8,7 +8,7 @@ import (
 	context "context"
 	reflect "reflect"
 
-	ldiff "github.com/anyproto/any-sync/app/ldiff"
+	ldiff "github.com/anytypeio/any-sync/app/ldiff"
 	gomock "github.com/golang/mock/gomock"
 )
 
@@ -52,21 +52,6 @@ func (mr *MockDiffMockRecorder) Diff(arg0, arg1 interface{}) *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Diff", reflect.TypeOf((*MockDiff)(nil).Diff), arg0, arg1)
 }
 
-// Element mocks base method.
-func (m *MockDiff) Element(arg0 string) (ldiff.Element, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Element", arg0)
-	ret0, _ := ret[0].(ldiff.Element)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// Element indicates an expected call of Element.
-func (mr *MockDiffMockRecorder) Element(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Element", reflect.TypeOf((*MockDiff)(nil).Element), arg0)
-}
-
 // Elements mocks base method.
 func (m *MockDiff) Elements() []ldiff.Element {
 	m.ctrl.T.Helper()
@@ -109,20 +94,6 @@ func (mr *MockDiffMockRecorder) Ids() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Ids", reflect.TypeOf((*MockDiff)(nil).Ids))
 }
 
-// Len mocks base method.
-func (m *MockDiff) Len() int {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Len")
-	ret0, _ := ret[0].(int)
-	return ret0
-}
-
-// Len indicates an expected call of Len.
-func (mr *MockDiffMockRecorder) Len() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Len", reflect.TypeOf((*MockDiff)(nil).Len))
-}
-
 // Ranges mocks base method.
 func (m *MockDiff) Ranges(arg0 context.Context, arg1 []ldiff.Range, arg2 []ldiff.RangeResult) ([]ldiff.RangeResult, error) {
 	m.ctrl.T.Helper()

app/logger/config.go

@@ -1,124 +1,33 @@
 package logger
 
-import (
-	"fmt"
-	"strings"
-
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-
-	"github.com/anyproto/any-sync/util/slice"
-)
-
-type LogFormat int
-
-const (
-	ColorizedOutput LogFormat = iota
-	PlaintextOutput
-	JSONOutput
-)
-
-type NamedLevel struct {
-	Name  string `yaml:"name"`
-	Level string `yaml:"level"`
-}
+import "go.uber.org/zap"
 
 type Config struct {
-	Production     bool         `yaml:"production"`
-	DefaultLevel   string       `yaml:"defaultLevel"`
-	Levels         []NamedLevel `yaml:"levels"` // first match will be used
-	AddOutputPaths []string     `yaml:"outputPaths"`
-	DisableStdErr  bool         `yaml:"disableStdErr"`
-	Format         LogFormat    `yaml:"format"`
-	ZapConfig      *zap.Config  `yaml:"-"` // optional, if set it will be used instead of other config options
+	Production   bool              `yaml:"production"`
+	DefaultLevel string            `yaml:"defaultLevel"`
+	NamedLevels  map[string]string `yaml:"namedLevels"`
 }
 
 func (l Config) ApplyGlobal() {
 	var conf zap.Config
-	if l.ZapConfig != nil {
-		conf = *l.ZapConfig
+	if l.Production {
+		conf = zap.NewProductionConfig()
 	} else {
-		if l.Production {
-			conf = zap.NewProductionConfig()
-		} else {
-			conf = zap.NewDevelopmentConfig()
-		}
-		encConfig := conf.EncoderConfig
-		switch l.Format {
-		case PlaintextOutput:
-			encConfig.EncodeLevel = zapcore.CapitalLevelEncoder
-			conf.Encoding = "console"
-		case JSONOutput:
-			encConfig.MessageKey = "msg"
-			encConfig.TimeKey = "ts"
-			encConfig.LevelKey = "level"
-			encConfig.NameKey = "logger"
-			encConfig.CallerKey = "caller"
-			encConfig.EncodeTime = zapcore.ISO8601TimeEncoder
-			conf.Encoding = "json"
-		default:
-			// default is ColorizedOutput
-			conf.Encoding = "console"
-			encConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
-		}
-
-		conf.EncoderConfig = encConfig
-		if len(l.AddOutputPaths) > 0 {
-			conf.OutputPaths = append(conf.OutputPaths, l.AddOutputPaths...)
-		}
-		if l.DisableStdErr {
-			conf.OutputPaths = slice.Filter(conf.OutputPaths, func(path string) bool {
-				return path != "stderr"
-			})
-		}
-
-		if defaultLevel, err := zap.ParseAtomicLevel(l.DefaultLevel); err == nil {
-			conf.Level = defaultLevel
+		conf = zap.NewDevelopmentConfig()
+	}
+	if defaultLevel, err := zap.ParseAtomicLevel(l.DefaultLevel); err == nil {
+		conf.Level = defaultLevel
+	}
+	var levels = make(map[string]zap.AtomicLevel)
+	for k, v := range l.NamedLevels {
+		if lev, err := zap.ParseAtomicLevel(v); err != nil {
+			levels[k] = lev
 		}
 	}
-	for _, v := range l.Levels {
-		if lev, err := zap.ParseAtomicLevel(v.Level); err == nil {
-			// we need to have a minimum level of all named loggers for the main logger
-			if lev.Level() < conf.Level.Level() {
-				conf.Level.SetLevel(lev.Level())
-			}
-		}
-	}
-
-	lg, err := conf.Build()
+	defaultLogger, err := conf.Build()
 	if err != nil {
 		Default().Fatal("can't build logger", zap.Error(err))
 	}
-	SetDefault(lg)
-	SetNamedLevels(l.Levels)
-}
-
-// LevelsFromStr parses a string of the form "name1=DEBUG;prefix*=WARN;*=ERROR" into a slice of NamedLevel
-// it may be useful to parse the log level from the OS env var
-func LevelsFromStr(s string) (levels []NamedLevel) {
-	for _, kv := range strings.Split(s, ";") {
-		strings.TrimSpace(kv)
-		parts := strings.Split(kv, "=")
-		var key, value string
-		if len(parts) == 1 {
-			key = "*"
-			value = parts[0]
-			_, err := zap.ParseAtomicLevel(value)
-			if err != nil {
-				fmt.Printf("Can't parse log level %s: %s\n", parts[0], err.Error())
-				continue
-			}
-			levels = append(levels, NamedLevel{Name: key, Level: value})
-		} else if len(parts) == 2 {
-			key = parts[0]
-			value = parts[1]
-		}
-		_, err := zap.ParseAtomicLevel(value)
-		if err != nil {
-			fmt.Printf("Can't parse log level %s: %s\n", parts[0], err.Error())
-			continue
-		}
-		levels = append(levels, NamedLevel{Name: key, Level: value})
-	}
-	return levels
+	SetDefault(defaultLogger)
+	SetNamedLevels(levels)
 }

app/logger/ctxfiled.go

@@ -1,60 +0,0 @@
-package logger
-
-import (
-	"context"
-	"go.uber.org/zap"
-)
-
-type ctxKey uint
-
-const (
-	ctxKeyFields ctxKey = iota
-)
-
-func WithCtx(ctx context.Context, l *zap.Logger) *zap.Logger {
-	return l.With(CtxGetFields(ctx)...)
-}
-
-func CtxWithFields(ctx context.Context, fields ...zap.Field) context.Context {
-	existingFields := CtxGetFields(ctx)
-	if existingFields != nil {
-		existingFields = append(existingFields, fields...)
-	}
-	return context.WithValue(ctx, ctxKeyFields, fields)
-}
-
-func CtxGetFields(ctx context.Context) (fields []zap.Field) {
-	if v := ctx.Value(ctxKeyFields); v != nil {
-		return v.([]zap.Field)
-	}
-	return
-}
-
-type CtxLogger struct {
-	*zap.Logger
-	name string
-}
-
-func (cl CtxLogger) DebugCtx(ctx context.Context, msg string, fields ...zap.Field) {
-	cl.Logger.Debug(msg, append(CtxGetFields(ctx), fields...)...)
-}
-
-func (cl CtxLogger) InfoCtx(ctx context.Context, msg string, fields ...zap.Field) {
-	cl.Logger.Info(msg, append(CtxGetFields(ctx), fields...)...)
-}
-
-func (cl CtxLogger) WarnCtx(ctx context.Context, msg string, fields ...zap.Field) {
-	cl.Logger.Warn(msg, append(CtxGetFields(ctx), fields...)...)
-}
-
-func (cl CtxLogger) ErrorCtx(ctx context.Context, msg string, fields ...zap.Field) {
-	cl.Logger.Error(msg, append(CtxGetFields(ctx), fields...)...)
-}
-
-func (cl CtxLogger) With(fields ...zap.Field) CtxLogger {
-	return CtxLogger{cl.Logger.With(fields...), cl.name}
-}
-
-func (cl CtxLogger) Sugar() *zap.SugaredLogger {
-	return NewNamedSugared(cl.name)
-}

app/logger/log.go

@@ -1,137 +1,50 @@
 package logger
 
 import (
-	"sync"
-
-	"github.com/gobwas/glob"
 	"go.uber.org/zap"
+	"sync"
 )
 
 var (
-	mu                sync.Mutex
-	logger            *zap.Logger
-	loggerConfig      zap.Config
-	namedLevels       []namedLevel
-	namedGlobs        = make(map[string]glob.Glob)
-	namedLoggers      = make(map[string]CtxLogger)
-	namedSugarLoggers = make(map[string]*zap.SugaredLogger)
+	mu            sync.Mutex
+	defaultLogger *zap.Logger
+	levels        = make(map[string]zap.AtomicLevel)
+	loggers       = make(map[string]*zap.Logger)
 )
 
-type namedLevel struct {
-	name  string
-	level zap.AtomicLevel
-}
-
 func init() {
-	loggerConfig = zap.NewDevelopmentConfig()
-	logger, _ = loggerConfig.Build()
+	defaultLogger, _ = zap.NewDevelopment()
+	zap.NewProduction()
 }
 
-// SetDefault replaces the default logger
-// you need to call SetNamedLevels after in case you have named loggers,
-// otherwise they will use the old logger
 func SetDefault(l *zap.Logger) {
 	mu.Lock()
 	defer mu.Unlock()
-	*logger = *l
+	*defaultLogger = *l
+	for name, l := range loggers {
+		*l = *defaultLogger.Named(name)
+	}
 }
 
-// SetNamedLevels sets the namedLevels for named loggers
-// it also supports glob patterns for names, like "app*"
-// can be racy in case there are existing named loggers
-// so consider to call only once at the beginning
-func SetNamedLevels(nls []NamedLevel) {
+func SetNamedLevels(l map[string]zap.AtomicLevel) {
 	mu.Lock()
 	defer mu.Unlock()
-	namedLevels = namedLevels[:0]
-
-	var minLevel = logger.Level()
-	for _, nl := range nls {
-		l, err := zap.ParseAtomicLevel(nl.Level)
-		if err != nil {
-			continue
-		}
-		namedLevels = append(namedLevels, namedLevel{name: nl.Name, level: l})
-		g, err := glob.Compile(nl.Name)
-		if err == nil {
-			namedGlobs[nl.Name] = g
-		}
-
-		if l.Level() < minLevel {
-			minLevel = l.Level()
-		}
-	}
-
-	if minLevel < logger.Level() {
-		// recreate logger if the min level is lower than the current min one
-		loggerConfig.Level = zap.NewAtomicLevelAt(minLevel)
-		logger, _ = loggerConfig.Build()
-	}
-
-	for name, nl := range namedLoggers {
-		level := getLevel(name)
-		newCore := zap.New(logger.Core()).Named(name).WithOptions(
-			zap.IncreaseLevel(level),
-		)
-		*(nl.Logger) = *newCore
-	}
-
-	for name, nl := range namedSugarLoggers {
-		level := getLevel(name)
-		newCore := zap.New(logger.Core()).Named(name).WithOptions(
-			zap.IncreaseLevel(level),
-		).Sugar()
-		*(nl) = *newCore
-	}
+	levels = l
 }
 
 func Default() *zap.Logger {
 	mu.Lock()
 	defer mu.Unlock()
-	return logger
+	return defaultLogger
 }
 
-// getLevel returns the level for the given name
-// it return the first matching name or glob pattern whatever comes first
-func getLevel(name string) zap.AtomicLevel {
-	for _, nl := range namedLevels {
-		if nl.name == name {
-			return nl.level
-		}
-		if g, ok := namedGlobs[nl.name]; ok && g.Match(name) {
-			return nl.level
-		}
-	}
-	return zap.NewAtomicLevelAt(logger.Level())
-}
-
-func NewNamed(name string, fields ...zap.Field) CtxLogger {
+func NewNamed(name string, fields ...zap.Field) *zap.Logger {
 	mu.Lock()
 	defer mu.Unlock()
-
-	if l, nameExists := namedLoggers[name]; nameExists {
-		return l
+	l := defaultLogger.Named(name)
+	if len(fields) > 0 {
+		l = l.With(fields...)
 	}
-
-	level := getLevel(name)
-	l := zap.New(logger.Core()).Named(name).WithOptions(zap.IncreaseLevel(level),
-		zap.Fields(fields...))
-
-	ctxL := CtxLogger{Logger: l, name: name}
-	namedLoggers[name] = ctxL
-	return ctxL
-}
-
-func NewNamedSugared(name string) *zap.SugaredLogger {
-	mu.Lock()
-	defer mu.Unlock()
-
-	if l, nameExists := namedSugarLoggers[name]; nameExists {
-		return l
-	}
-
-	level := getLevel(name)
-	l := zap.New(logger.Core()).Named(name).Sugar().WithOptions(zap.IncreaseLevel(level))
-	namedSugarLoggers[name] = l
+	loggers[name] = l
 	return l
 }

app/logger/log_test.go

@@ -1,150 +0,0 @@
-package logger
-
-import (
-	"reflect"
-	"testing"
-
-	"go.uber.org/zap"
-)
-
-func Test_getLevel1(t *testing.T) {
-	SetNamedLevels([]NamedLevel{
-		{Name: "app", Level: "debug"},
-		{Name: "app*", Level: "info"},
-		{Name: "app.sub", Level: "warn"},
-		{Name: "*", Level: "fatal"},
-	})
-
-	tests := []struct {
-		name string
-		want zap.AtomicLevel
-	}{
-		{
-			name: "app",
-			want: zap.NewAtomicLevelAt(zap.DebugLevel),
-		},
-		{
-			name: "app.aaa",
-			want: zap.NewAtomicLevelAt(zap.InfoLevel),
-		},
-		{
-			name: "app.sub",
-			want: zap.NewAtomicLevelAt(zap.InfoLevel),
-		},
-		{
-			name: "random",
-			want: zap.NewAtomicLevelAt(zap.FatalLevel),
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := getLevel(tt.name); !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("getLevel() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func Test_getLevel2(t *testing.T) {
-	SetNamedLevels([]NamedLevel{
-		{Name: "*", Level: "ERROR"},
-		{Name: "app", Level: "info"},
-		{Name: "app.sub", Level: "warn"},
-		{Name: "*", Level: "fatal"},
-	})
-
-	tests := []struct {
-		name string
-		want zap.AtomicLevel
-	}{
-		{
-			name: "app",
-			want: zap.NewAtomicLevelAt(zap.ErrorLevel),
-		},
-		{
-			name: "app.aaa",
-			want: zap.NewAtomicLevelAt(zap.ErrorLevel),
-		},
-		{
-			name: "app.sub",
-			want: zap.NewAtomicLevelAt(zap.ErrorLevel),
-		},
-		{
-			name: "random",
-			want: zap.NewAtomicLevelAt(zap.ErrorLevel),
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := getLevel(tt.name); !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("getLevel() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func Test_getLevel3(t *testing.T) {
-	SetNamedLevels([]NamedLevel{
-		{Name: "app", Level: "info"},
-		{Name: "*.sub", Level: "warn"},
-		{Name: "*", Level: "fatal"},
-	})
-
-	tests := []struct {
-		name string
-		want zap.AtomicLevel
-	}{
-		{
-			name: "app",
-			want: zap.NewAtomicLevelAt(zap.InfoLevel),
-		},
-		{
-			name: "app.sub",
-			want: zap.NewAtomicLevelAt(zap.WarnLevel),
-		},
-		{
-			name: "random",
-			want: zap.NewAtomicLevelAt(zap.FatalLevel),
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := getLevel(tt.name); !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("getLevel() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func Test_getLevel4(t *testing.T) {
-	SetNamedLevels([]NamedLevel{
-		{Name: "*", Level: "invalid"},
-		{Name: "app", Level: "info"},
-		{Name: "b", Level: "invalid"},
-	})
-
-	tests := []struct {
-		name string
-		want zap.AtomicLevel
-	}{
-		{
-			name: "app",
-			want: zap.NewAtomicLevelAt(zap.InfoLevel),
-		},
-		{
-			name: "app.sub",
-			want: zap.NewAtomicLevelAt(logger.Level()),
-		},
-		{
-			name: "b",
-			want: zap.NewAtomicLevelAt(logger.Level()),
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := getLevel(tt.name); !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("getLevel() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}

app/ocache/entry.go

@@ -1,120 +0,0 @@
-package ocache
-
-import (
-	"context"
-	"go.uber.org/zap"
-	"sync"
-	"time"
-)
-
-type entryState int
-
-const (
-	entryStateLoading = iota
-	entryStateActive
-	entryStateClosing
-	entryStateClosed
-)
-
-type entry struct {
-	id        string
-	state     entryState
-	lastUsage time.Time
-	load      chan struct{}
-	loadErr   error
-	value     Object
-	close     chan struct{}
-	mx        sync.Mutex
-}
-
-func newEntry(id string, value Object, state entryState) *entry {
-	return &entry{
-		id:        id,
-		load:      make(chan struct{}),
-		lastUsage: time.Now(),
-		state:     state,
-		value:     value,
-	}
-}
-
-func (e *entry) isActive() bool {
-	e.mx.Lock()
-	defer e.mx.Unlock()
-	return e.state == entryStateActive
-}
-
-func (e *entry) isClosing() bool {
-	e.mx.Lock()
-	defer e.mx.Unlock()
-	return e.state == entryStateClosed || e.state == entryStateClosing
-}
-
-func (e *entry) waitLoad(ctx context.Context, id string) (value Object, err error) {
-	select {
-	case <-ctx.Done():
-		log.DebugCtx(ctx, "ctx done while waiting on object load", zap.String("id", id))
-		return nil, ctx.Err()
-	case <-e.load:
-		return e.value, e.loadErr
-	}
-}
-
-func (e *entry) waitClose(ctx context.Context, id string) (res bool, err error) {
-	e.mx.Lock()
-	switch e.state {
-	case entryStateClosing:
-		waitCh := e.close
-		e.mx.Unlock()
-		select {
-		case <-ctx.Done():
-			log.DebugCtx(ctx, "ctx done while waiting on object close", zap.String("id", id))
-			return false, ctx.Err()
-		case <-waitCh:
-			return true, nil
-		}
-	case entryStateClosed:
-		e.mx.Unlock()
-		return true, nil
-	default:
-		e.mx.Unlock()
-		return false, nil
-	}
-}
-
-func (e *entry) setClosing(wait bool) (prevState, curState entryState) {
-	e.mx.Lock()
-	prevState = e.state
-	curState = e.state
-	if e.state == entryStateClosing {
-		waitCh := e.close
-		e.mx.Unlock()
-		if !wait {
-			return
-		}
-		<-waitCh
-		e.mx.Lock()
-	}
-	if e.state != entryStateClosed {
-		e.state = entryStateClosing
-		e.close = make(chan struct{})
-	}
-	curState = e.state
-	e.mx.Unlock()
-	return
-}
-
-func (e *entry) setActive(chClose bool) {
-	e.mx.Lock()
-	defer e.mx.Unlock()
-	if chClose {
-		close(e.close)
-	}
-	e.state = entryStateActive
-}
-
-func (e *entry) setClosed() {
-	e.mx.Lock()
-	defer e.mx.Unlock()
-	close(e.close)
-	e.state = entryStateClosed
-}

app/ocache/metrics.go

@@ -1,18 +1,11 @@
 package ocache
 
-import (
-	"github.com/prometheus/client_golang/prometheus"
-	"strings"
-)
+import "github.com/prometheus/client_golang/prometheus"
 
 func WithPrometheus(reg *prometheus.Registry, namespace, subsystem string) Option {
 	if subsystem == "" {
 		subsystem = "cache"
 	}
-	nameSplit := strings.Split(namespace, ".")
-	subSplit := strings.Split(subsystem, ".")
-	namespace = strings.Join(nameSplit, "_")
-	subsystem = strings.Join(subSplit, "_")
 	if reg == nil {
 		return nil
 	}

app/ocache/metrics_test.go

@@ -1,19 +0,0 @@
-package ocache
-
-import (
-	"context"
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/stretchr/testify/require"
-	"strings"
-	"testing"
-)
-
-func TestWithPrometheus_MetricsConvertsDots(t *testing.T) {
-	opt := WithPrometheus(prometheus.NewRegistry(), "some.name", "some.system")
-	cache := New(func(ctx context.Context, id string) (value Object, err error) {
-		return &testObject{}, nil
-	}, opt).(*oCache)
-	_, err := cache.Get(context.Background(), "id")
-	require.NoError(t, err)
-	require.True(t, strings.Contains(cache.metrics.hit.Desc().String(), "some_name_some_system_hit"))
-}

app/ocache/ocache.go

@@ -3,7 +3,7 @@ package ocache
 import (
 	"context"
 	"errors"
-	"github.com/anyproto/any-sync/app/logger"
+	"github.com/anytypeio/any-sync/app/logger"
 	"go.uber.org/zap"
 	"sync"
 	"time"
@@ -44,6 +44,12 @@ var WithGCPeriod = func(gcPeriod time.Duration) Option {
 	}
 }
 
+var WithRefCounter = func(enable bool) Option {
+	return func(cache *oCache) {
+		cache.refCounter = enable
+	}
+}
+
 func New(loadFunc LoadFunc, opts ...Option) OCache {
 	c := &oCache{
 		data:     make(map[string]*entry),
@@ -67,7 +73,33 @@ func New(loadFunc LoadFunc, opts ...Option) OCache {
 
 type Object interface {
 	Close() (err error)
-	TryClose(objectTTL time.Duration) (res bool, err error)
+}
+
+type ObjectLocker interface {
+	Object
+	Locked() bool
+}
+
+type ObjectLastUsage interface {
+	LastUsage() time.Time
+}
+
+type entry struct {
+	id        string
+	lastUsage time.Time
+	refCount  uint32
+	isClosing bool
+	load      chan struct{}
+	loadErr   error
+	value     Object
+	close     chan struct{}
+}
+
+func (e *entry) locked() bool {
+	if locker, ok := e.value.(ObjectLocker); ok {
+		return locker.Locked()
+	}
+	return false
 }
 
 type OCache interface {
@@ -84,8 +116,12 @@ type OCache interface {
 	// Add adds new object to cache
 	// Returns error when object exists
 	Add(id string, value Object) (err error)
+	// Release decreases the refs counter
+	Release(id string) bool
+	// Reset sets refs counter to 0
+	Reset(id string) bool
 	// Remove closes and removes object
-	Remove(ctx context.Context, id string) (ok bool, err error)
+	Remove(id string) (ok bool, err error)
 	// ForEach iterates over all loaded objects, breaks when callback returns false
 	ForEach(f func(v Object) (isContinue bool))
 	// GC frees not used and expired objects
@@ -98,16 +134,17 @@ type OCache interface {
 }
 
 type oCache struct {
-	mu       sync.Mutex
-	data     map[string]*entry
-	loadFunc LoadFunc
-	timeNow  func() time.Time
-	ttl      time.Duration
-	gc       time.Duration
-	closed   bool
-	closeCh  chan struct{}
-	log      *zap.SugaredLogger
-	metrics  *metrics
+	mu         sync.Mutex
+	data       map[string]*entry
+	loadFunc   LoadFunc
+	timeNow    func() time.Time
+	ttl        time.Duration
+	gc         time.Duration
+	closed     bool
+	closeCh    chan struct{}
+	log        *zap.SugaredLogger
+	metrics    *metrics
+	refCounter bool
 }
 
 func (c *oCache) Get(ctx context.Context, id string) (value Object, err error) {
@@ -123,36 +160,63 @@ Load:
 		return nil, ErrClosed
 	}
 	if e, ok = c.data[id]; !ok {
-		e = newEntry(id, nil, entryStateLoading)
 		load = true
+		e = &entry{
+			id:   id,
+			load: make(chan struct{}),
+		}
 		c.data[id] = e
 	}
-	e.lastUsage = time.Now()
-	c.mu.Unlock()
-	reload, err := e.waitClose(ctx, id)
-	if err != nil {
-		return nil, err
+	closing := e.isClosing
+	if !e.isClosing {
+		e.lastUsage = c.timeNow()
+		if c.refCounter {
+			e.refCount++
+		}
 	}
-	if reload {
+	c.mu.Unlock()
+	if closing {
+		<-e.close
 		goto Load
 	}
+
 	if load {
 		go c.load(ctx, id, e)
 	}
-	c.metricsGet(!load)
-	return e.waitLoad(ctx, id)
+	if c.metrics != nil {
+		if load {
+			c.metrics.miss.Inc()
+		} else {
+			c.metrics.hit.Inc()
+		}
+	}
+	select {
+	case <-ctx.Done():
+		return nil, ctx.Err()
+	case <-e.load:
+	}
+	return e.value, e.loadErr
 }
 
 func (c *oCache) Pick(ctx context.Context, id string) (value Object, err error) {
 	c.mu.Lock()
 	val, ok := c.data[id]
-	if !ok || val.isClosing() {
+	if !ok || val.isClosing {
 		c.mu.Unlock()
 		return nil, ErrNotExists
 	}
 	c.mu.Unlock()
-	c.metricsGet(true)
-	return val.waitLoad(ctx, id)
+
+	if c.metrics != nil {
+		c.metrics.hit.Inc()
+	}
+
+	select {
+	case <-ctx.Done():
+		return nil, ctx.Err()
+	case <-val.load:
+		return val.value, val.loadErr
+	}
 }
 
 func (c *oCache) load(ctx context.Context, id string, e *entry) {
@@ -166,39 +230,63 @@ func (c *oCache) load(ctx context.Context, id string, e *entry) {
 		delete(c.data, id)
 	} else {
 		e.value = value
-		e.setActive(false)
 	}
 }
 
-func (c *oCache) Remove(ctx context.Context, id string) (ok bool, err error) {
+func (c *oCache) Release(id string) bool {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	if c.closed {
+		return false
+	}
+	if e, ok := c.data[id]; ok {
+		if c.refCounter && e.refCount > 0 {
+			e.refCount--
+			return true
+		}
+	}
+	return false
+}
+
+func (c *oCache) Reset(id string) bool {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	if c.closed {
+		return false
+	}
+	if e, ok := c.data[id]; ok {
+		e.refCount = 0
+		return true
+	}
+	return false
+}
+
+func (c *oCache) Remove(id string) (ok bool, err error) {
 	c.mu.Lock()
 	if c.closed {
 		c.mu.Unlock()
 		err = ErrClosed
 		return
 	}
-	e, ok := c.data[id]
-	if !ok {
+	var e *entry
+	e, ok = c.data[id]
+	if !ok || e.isClosing {
 		c.mu.Unlock()
-		return false, ErrNotExists
+		return
 	}
+	e.isClosing = true
+	e.close = make(chan struct{})
 	c.mu.Unlock()
-	return c.remove(ctx, e)
-}
 
-func (c *oCache) remove(ctx context.Context, e *entry) (ok bool, err error) {
-	if _, err = e.waitLoad(ctx, e.id); err != nil {
-		return false, err
-	}
-	_, curState := e.setClosing(true)
-	if curState == entryStateClosing {
-		ok = true
+	<-e.load
+	if e.value != nil {
 		err = e.value.Close()
-		c.mu.Lock()
-		e.setClosed()
-		delete(c.data, e.id)
-		c.mu.Unlock()
 	}
+	c.mu.Lock()
+	close(e.close)
+	delete(c.data, e.id)
+	c.mu.Unlock()
+
 	return
 }
 
@@ -220,7 +308,13 @@ func (c *oCache) Add(id string, value Object) (err error) {
 	if _, ok := c.data[id]; ok {
 		return ErrExists
 	}
-	e := newEntry(id, value, entryStateActive)
+	e := &entry{
+		id:        id,
+		lastUsage: time.Now(),
+		refCount:  0,
+		load:      make(chan struct{}),
+		value:     value,
+	}
 	close(e.load)
 	c.data[id] = e
 	return
@@ -232,7 +326,7 @@ func (c *oCache) ForEach(f func(obj Object) (isContinue bool)) {
 	for _, v := range c.data {
 		select {
 		case <-v.load:
-			if v.value != nil && !v.isClosing() {
+			if v.value != nil && !v.isClosing {
 				objects = append(objects, v.value)
 			}
 		default:
@@ -268,35 +362,40 @@ func (c *oCache) GC() {
 	deadline := c.timeNow().Add(-c.ttl)
 	var toClose []*entry
 	for _, e := range c.data {
-		if e.isActive() && e.lastUsage.Before(deadline) {
+		if e.isClosing {
+			continue
+		}
+		lu := e.lastUsage
+		if lug, ok := e.value.(ObjectLastUsage); ok {
+			lu = lug.LastUsage()
+		}
+		if !e.locked() && e.refCount <= 0 && lu.Before(deadline) {
+			e.isClosing = true
 			e.close = make(chan struct{})
 			toClose = append(toClose, e)
 		}
 	}
 	size := len(c.data)
 	c.mu.Unlock()
-	closedNum := 0
+
 	for _, e := range toClose {
-		prevState, _ := e.setClosing(false)
-		if prevState == entryStateClosing || prevState == entryStateClosed {
-			continue
-		}
-		closed, err := e.value.TryClose(c.ttl)
-		if err != nil {
-			c.log.With("object_id", e.id).Warnf("GC: object close error: %v", err)
-		}
-		if !closed {
-			e.setActive(true)
-			continue
-		} else {
-			closedNum++
-			c.mu.Lock()
-			e.setClosed()
-			delete(c.data, e.id)
-			c.mu.Unlock()
+		<-e.load
+		if e.value != nil {
+			if err := e.value.Close(); err != nil {
+				c.log.With("object_id", e.id).Warnf("GC: object close error: %v", err)
+			}
 		}
 	}
-	c.metricsClosed(closedNum, size)
+	c.log.Infof("GC: removed %d; cache size: %d", len(toClose), size)
+	if len(toClose) > 0 && c.metrics != nil {
+		c.metrics.gc.Add(float64(len(toClose)))
+	}
+	c.mu.Lock()
+	for _, e := range toClose {
+		close(e.close)
+		delete(c.data, e.id)
+	}
+	c.mu.Unlock()
 }
 
 func (c *oCache) Len() int {
@@ -313,34 +412,25 @@ func (c *oCache) Close() (err error) {
 	}
 	c.closed = true
 	close(c.closeCh)
-	var toClose []*entry
+	var toClose, alreadyClosing []*entry
 	for _, e := range c.data {
-		toClose = append(toClose, e)
+		if e.isClosing {
+			alreadyClosing = append(alreadyClosing, e)
+		} else {
+			toClose = append(toClose, e)
+		}
 	}
 	c.mu.Unlock()
 	for _, e := range toClose {
-		if _, err := c.remove(context.Background(), e); err != nil && err != ErrNotExists {
-			c.log.With("object_id", e.id).Warnf("cache close: object close error: %v", err)
+		<-e.load
+		if e.value != nil {
+			if clErr := e.value.Close(); clErr != nil {
+				c.log.With("object_id", e.id).Warnf("cache close: object close error: %v", clErr)
+			}
 		}
 	}
+	for _, e := range alreadyClosing {
+		<-e.close
+	}
 	return nil
 }
-
-func (c *oCache) metricsGet(hit bool) {
-	if c.metrics == nil {
-		return
-	}
-	if hit {
-		c.metrics.hit.Inc()
-	} else {
-		c.metrics.miss.Inc()
-	}
-}
-
-func (c *oCache) metricsClosed(closedLen, size int) {
-	c.log.Infof("GC: removed %d; cache size: %d", closedLen, size)
-	if c.metrics == nil || closedLen == 0 {
-		return
-	}
-	c.metrics.gc.Add(float64(closedLen))
-}

app/ocache/ocache_test.go

@@ -3,8 +3,6 @@ package ocache
 import (
 	"context"
 	"errors"
-	"fmt"
-	"sync"
 	"sync/atomic"
 	"testing"
 	"time"
@@ -13,48 +11,26 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-var ctx = context.Background()
-
 type testObject struct {
-	name           string
-	closeErr       error
-	closeCh        chan struct{}
-	tryReturn      bool
-	closeCalled    bool
-	tryCloseCalled bool
+	name     string
+	closeErr error
+	closeCh  chan struct{}
 }
 
-func NewTestObject(name string, tryReturn bool, closeCh chan struct{}) *testObject {
+func NewTestObject(name string, closeCh chan struct{}) *testObject {
 	return &testObject{
-		name:      name,
-		closeCh:   closeCh,
-		tryReturn: tryReturn,
+		name:    name,
+		closeCh: closeCh,
 	}
 }
 
 func (t *testObject) Close() (err error) {
-	if t.closeCalled || (t.tryCloseCalled && t.tryReturn) {
-		panic("close called twice")
-	}
-	t.closeCalled = true
 	if t.closeCh != nil {
 		<-t.closeCh
 	}
 	return t.closeErr
 }
 
-func (t *testObject) TryClose(objectTTL time.Duration) (res bool, err error) {
-	if t.closeCalled || (t.tryCloseCalled && t.tryReturn) {
-		panic("close called twice")
-	}
-	t.tryCloseCalled = true
-	if t.closeCh != nil {
-		<-t.closeCh
-		return t.tryReturn, t.closeErr
-	}
-	return t.tryReturn, nil
-}
-
 func TestOCache_Get(t *testing.T) {
 	t.Run("successful", func(t *testing.T) {
 		c := New(func(ctx context.Context, id string) (value Object, err error) {
@@ -140,37 +116,42 @@ func TestOCache_Get(t *testing.T) {
 }
 
 func TestOCache_GC(t *testing.T) {
-	t.Run("test gc expired object", func(t *testing.T) {
+	t.Run("test without close wait", func(t *testing.T) {
 		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			return NewTestObject(id, true, nil), nil
-		}, WithTTL(time.Millisecond*10))
+			return &testObject{name: id}, nil
+		}, WithTTL(time.Millisecond*10), WithRefCounter(true))
 		val, err := c.Get(context.TODO(), "id")
 		require.NoError(t, err)
 		require.NotNil(t, val)
 		assert.Equal(t, 1, c.Len())
 		c.GC()
 		assert.Equal(t, 1, c.Len())
-		time.Sleep(time.Millisecond * 20)
+		time.Sleep(time.Millisecond * 30)
+		c.GC()
+		assert.Equal(t, 1, c.Len())
+		assert.True(t, c.Release("id"))
 		c.GC()
 		assert.Equal(t, 0, c.Len())
+		assert.False(t, c.Release("id"))
 	})
-	t.Run("test gc tryClose true, close before get", func(t *testing.T) {
+	t.Run("test with close wait", func(t *testing.T) {
 		closeCh := make(chan struct{})
 		getCh := make(chan struct{})
 
 		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			return NewTestObject(id, true, closeCh), nil
-		}, WithTTL(time.Millisecond*10))
+			return NewTestObject(id, closeCh), nil
+		}, WithTTL(time.Millisecond*10), WithRefCounter(true))
 		val, err := c.Get(context.TODO(), "id")
 		require.NoError(t, err)
 		require.NotNil(t, val)
 		assert.Equal(t, 1, c.Len())
+		assert.True(t, c.Release("id"))
 		// making ttl pass
-		time.Sleep(time.Millisecond * 20)
+		time.Sleep(time.Millisecond * 40)
 		// first gc will be run after 20 secs, so calling it manually
 		go c.GC()
 		// waiting until all objects are marked as closing
-		time.Sleep(time.Millisecond * 20)
+		time.Sleep(time.Millisecond * 40)
 		var events []string
 		go func() {
 			_, err := c.Get(context.TODO(), "id")
@@ -179,313 +160,47 @@ func TestOCache_GC(t *testing.T) {
 			events = append(events, "get")
 			close(getCh)
 		}()
-		// sleeping to make sure that Get is called
-		time.Sleep(time.Millisecond * 20)
 		events = append(events, "close")
+		// sleeping to make sure that Get is called
+		time.Sleep(time.Millisecond * 40)
 		close(closeCh)
 
 		<-getCh
 		require.Equal(t, []string{"close", "get"}, events)
 	})
-	t.Run("test gc tryClose false, many parallel get", func(t *testing.T) {
-		timesCalled := &atomic.Int32{}
-		obj := NewTestObject("id", false, nil)
-		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			timesCalled.Add(1)
-			return obj, nil
-		}, WithTTL(0))
-
-		val, err := c.Get(context.TODO(), "id")
-		require.NoError(t, err)
-		require.NotNil(t, val)
-		assert.Equal(t, 1, c.Len())
-		begin := make(chan struct{})
-		wg := sync.WaitGroup{}
-		once := sync.Once{}
-
-		wg.Add(1)
-		go func() {
-			<-begin
-			c.GC()
-			wg.Done()
-		}()
-		for i := 0; i < 50; i++ {
-			wg.Add(1)
-			go func(i int) {
-				once.Do(func() {
-					close(begin)
-				})
-				if i%2 != 0 {
-					time.Sleep(time.Millisecond)
-				}
-				_, err := c.Get(context.TODO(), "id")
-				require.NoError(t, err)
-				wg.Done()
-			}(i)
-		}
-		require.NoError(t, err)
-		wg.Wait()
-		require.Equal(t, timesCalled.Load(), int32(1))
-		require.True(t, obj.tryCloseCalled)
-	})
-	t.Run("test gc tryClose different, many objects", func(t *testing.T) {
-		tryCloseIds := make(map[string]bool)
-		called := make(map[string]int)
-		max := 1000
-		getId := func(i int) string {
-			return fmt.Sprintf("id%d", i)
-		}
-		for i := 0; i < max; i++ {
-			if i%2 == 1 {
-				tryCloseIds[getId(i)] = true
-			} else {
-				tryCloseIds[getId(i)] = false
-			}
-		}
-		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			called[id] = called[id] + 1
-			return NewTestObject(id, tryCloseIds[id], nil), nil
-		}, WithTTL(time.Millisecond*10))
-
-		for i := 0; i < max; i++ {
-			val, err := c.Get(context.TODO(), getId(i))
-			require.NoError(t, err)
-			require.NotNil(t, val)
-		}
-		assert.Equal(t, max, c.Len())
-		time.Sleep(time.Millisecond * 20)
-		c.GC()
-		for i := 0; i < max; i++ {
-			val, err := c.Get(context.TODO(), getId(i))
-			require.NoError(t, err)
-			require.NotNil(t, val)
-		}
-		for i := 0; i < max; i++ {
-			val, err := c.Get(context.TODO(), getId(i))
-			require.NoError(t, err)
-			require.NotNil(t, val)
-			require.Equal(t, called[getId(i)], i%2+1)
-		}
-	})
 }
 
 func Test_OCache_Remove(t *testing.T) {
-	t.Run("remove simple", func(t *testing.T) {
-		closeCh := make(chan struct{})
-		getCh := make(chan struct{})
-		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			return NewTestObject(id, false, closeCh), nil
-		}, WithTTL(time.Millisecond*10))
+	closeCh := make(chan struct{})
+	getCh := make(chan struct{})
 
-		val, err := c.Get(context.TODO(), "id")
+	c := New(func(ctx context.Context, id string) (value Object, err error) {
+		return NewTestObject(id, closeCh), nil
+	}, WithTTL(time.Millisecond*10))
+	val, err := c.Get(context.TODO(), "id")
+	require.NoError(t, err)
+	require.NotNil(t, val)
+	assert.Equal(t, 1, c.Len())
+	// removing the object, so we will wait on closing
+	go func() {
+		_, err := c.Remove("id")
+		require.NoError(t, err)
+	}()
+	time.Sleep(time.Millisecond * 40)
+
+	var events []string
+	go func() {
+		_, err := c.Get(context.TODO(), "id")
 		require.NoError(t, err)
 		require.NotNil(t, val)
-		assert.Equal(t, 1, c.Len())
-		// removing the object, so we will wait on closing
-		go func() {
-			_, err := c.Remove(ctx, "id")
-			require.NoError(t, err)
-		}()
-		time.Sleep(time.Millisecond * 20)
+		events = append(events, "get")
+		close(getCh)
+	}()
+	events = append(events, "close")
+	// sleeping to make sure that Get is called
+	time.Sleep(time.Millisecond * 40)
+	close(closeCh)
 
-		var events []string
-		go func() {
-			_, err := c.Get(context.TODO(), "id")
-			require.NoError(t, err)
-			require.NotNil(t, val)
-			events = append(events, "get")
-			close(getCh)
-		}()
-		// sleeping to make sure that Get is called
-		time.Sleep(time.Millisecond * 20)
-		events = append(events, "close")
-		close(closeCh)
-
-		<-getCh
-		require.Equal(t, []string{"close", "get"}, events)
-	})
-	t.Run("test remove while gc, tryClose false", func(t *testing.T) {
-		closeCh := make(chan struct{})
-		removeCh := make(chan struct{})
-
-		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			return NewTestObject(id, false, closeCh), nil
-		}, WithTTL(time.Millisecond*10))
-		val, err := c.Get(context.TODO(), "id")
-		require.NoError(t, err)
-		require.NotNil(t, val)
-		assert.Equal(t, 1, c.Len())
-		time.Sleep(time.Millisecond * 20)
-		go c.GC()
-		time.Sleep(time.Millisecond * 20)
-		var events []string
-		go func() {
-			ok, err := c.Remove(ctx, "id")
-			require.NoError(t, err)
-			require.True(t, ok)
-			events = append(events, "remove")
-			close(removeCh)
-		}()
-		time.Sleep(time.Millisecond * 20)
-		events = append(events, "close")
-		close(closeCh)
-
-		<-removeCh
-		require.Equal(t, []string{"close", "remove"}, events)
-	})
-	t.Run("test remove while gc, tryClose true", func(t *testing.T) {
-		closeCh := make(chan struct{})
-		removeCh := make(chan struct{})
-
-		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			return NewTestObject(id, true, closeCh), nil
-		}, WithTTL(time.Millisecond*10))
-		val, err := c.Get(context.TODO(), "id")
-		require.NoError(t, err)
-		require.NotNil(t, val)
-		assert.Equal(t, 1, c.Len())
-		time.Sleep(time.Millisecond * 20)
-		go c.GC()
-		time.Sleep(time.Millisecond * 20)
-		var events []string
-		go func() {
-			ok, err := c.Remove(ctx, "id")
-			require.NoError(t, err)
-			require.False(t, ok)
-			events = append(events, "remove")
-			close(removeCh)
-		}()
-		time.Sleep(time.Millisecond * 20)
-		events = append(events, "close")
-		close(closeCh)
-
-		<-removeCh
-		require.Equal(t, []string{"close", "remove"}, events)
-	})
-	t.Run("test gc while remove, tryClose true", func(t *testing.T) {
-		closeCh := make(chan struct{})
-		removeCh := make(chan struct{})
-
-		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			return NewTestObject(id, true, closeCh), nil
-		}, WithTTL(time.Millisecond*10))
-		val, err := c.Get(context.TODO(), "id")
-		require.NoError(t, err)
-		require.NotNil(t, val)
-		assert.Equal(t, 1, c.Len())
-		go func() {
-			ok, err := c.Remove(ctx, "id")
-			require.NoError(t, err)
-			require.True(t, ok)
-			close(removeCh)
-		}()
-		time.Sleep(20 * time.Millisecond)
-		c.GC()
-		close(closeCh)
-		<-removeCh
-	})
-}
-
-func TestOCacheFuzzy(t *testing.T) {
-	t.Run("test many objects gc, get and remove simultaneously, close after", func(t *testing.T) {
-		tryCloseIds := make(map[string]bool)
-		max := 2000
-		getId := func(i int) string {
-			return fmt.Sprintf("id%d", i)
-		}
-		for i := 0; i < max; i++ {
-			if i%2 == 1 {
-				tryCloseIds[getId(i)] = true
-			} else {
-				tryCloseIds[getId(i)] = false
-			}
-		}
-		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			return NewTestObject(id, tryCloseIds[id], nil), nil
-		}, WithTTL(time.Nanosecond))
-
-		stopGC := make(chan struct{})
-		wg := sync.WaitGroup{}
-		go func() {
-			for {
-				select {
-				case <-stopGC:
-					return
-				default:
-					c.GC()
-				}
-			}
-		}()
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			for j := 0; j < 10; j++ {
-				for i := 0; i < max; i++ {
-					val, err := c.Get(context.TODO(), getId(i))
-					require.NoError(t, err)
-					require.NotNil(t, val)
-				}
-			}
-		}()
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			for j := 0; j < 10; j++ {
-				for i := 0; i < max; i++ {
-					c.Remove(ctx, getId(i))
-				}
-			}
-		}()
-		wg.Wait()
-		close(stopGC)
-		err := c.Close()
-		require.NoError(t, err)
-		require.Equal(t, 0, c.Len())
-	})
-	t.Run("test many objects gc, get, remove and close simultaneously", func(t *testing.T) {
-		tryCloseIds := make(map[string]bool)
-		max := 2000
-		getId := func(i int) string {
-			return fmt.Sprintf("id%d", i)
-		}
-		for i := 0; i < max; i++ {
-			if i%2 == 1 {
-				tryCloseIds[getId(i)] = true
-			} else {
-				tryCloseIds[getId(i)] = false
-			}
-		}
-		c := New(func(ctx context.Context, id string) (value Object, err error) {
-			return NewTestObject(id, tryCloseIds[id], nil), nil
-		}, WithTTL(time.Nanosecond))
-
-		go func() {
-			for {
-				c.GC()
-			}
-		}()
-		go func() {
-			for j := 0; j < 10; j++ {
-				for i := 0; i < max; i++ {
-					val, err := c.Get(context.TODO(), getId(i))
-					if err == ErrClosed {
-						return
-					}
-					require.NoError(t, err)
-					require.NotNil(t, val)
-				}
-			}
-		}()
-		go func() {
-			for j := 0; j < 10; j++ {
-				for i := 0; i < max; i++ {
-					c.Remove(ctx, getId(i))
-				}
-			}
-		}()
-		time.Sleep(time.Millisecond)
-		err := c.Close()
-		require.NoError(t, err)
-		require.Equal(t, 0, c.Len())
-	})
+	<-getCh
+	require.Equal(t, []string{"close", "get"}, events)
 }

commonfile/fileblockstore/fileblockstore.go

@@ -2,8 +2,8 @@ package fileblockstore
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonfile/fileproto/fileprotoerr"
+	"github.com/anytypeio/any-sync/app/logger"
+	"github.com/anytypeio/any-sync/commonfile/fileproto/fileprotoerr"
 	blocks "github.com/ipfs/go-block-format"
 	"github.com/ipfs/go-cid"
 )
@@ -21,7 +21,6 @@ type ctxKey uint
 
 const (
 	ctxKeySpaceId ctxKey = iota
-	ctxKeyFileId
 )
 
 type BlockStore interface {
@@ -49,12 +48,3 @@ func CtxGetSpaceId(ctx context.Context) (spaceId string) {
 	spaceId, _ = ctx.Value(ctxKeySpaceId).(string)
 	return
 }
-
-func CtxWithFileId(ctx context.Context, spaceId string) context.Context {
-	return context.WithValue(ctx, ctxKeyFileId, spaceId)
-}
-
-func CtxGetFileId(ctx context.Context) (spaceId string) {
-	spaceId, _ = ctx.Value(ctxKeyFileId).(string)
-	return
-}

commonfile/fileproto/file_drpc.pb.go

@@ -40,14 +40,10 @@ func (drpcEncoding_File_commonfile_fileproto_protos_file_proto) JSONUnmarshal(bu
 type DRPCFileClient interface {
 	DRPCConn() drpc.Conn
 
-	BlockGet(ctx context.Context, in *BlockGetRequest) (*BlockGetResponse, error)
-	BlockPush(ctx context.Context, in *BlockPushRequest) (*BlockPushResponse, error)
-	BlocksCheck(ctx context.Context, in *BlocksCheckRequest) (*BlocksCheckResponse, error)
-	BlocksBind(ctx context.Context, in *BlocksBindRequest) (*BlocksBindResponse, error)
-	FilesDelete(ctx context.Context, in *FilesDeleteRequest) (*FilesDeleteResponse, error)
-	FilesInfo(ctx context.Context, in *FilesInfoRequest) (*FilesInfoResponse, error)
+	GetBlocks(ctx context.Context) (DRPCFile_GetBlocksClient, error)
+	PushBlock(ctx context.Context, in *PushBlockRequest) (*PushBlockResponse, error)
+	DeleteBlocks(ctx context.Context, in *DeleteBlocksRequest) (*DeleteBlocksResponse, error)
 	Check(ctx context.Context, in *CheckRequest) (*CheckResponse, error)
-	SpaceInfo(ctx context.Context, in *SpaceInfoRequest) (*SpaceInfoResponse, error)
 }
 
 type drpcFileClient struct {
@@ -60,54 +56,53 @@ func NewDRPCFileClient(cc drpc.Conn) DRPCFileClient {
 
 func (c *drpcFileClient) DRPCConn() drpc.Conn { return c.cc }
 
-func (c *drpcFileClient) BlockGet(ctx context.Context, in *BlockGetRequest) (*BlockGetResponse, error) {
-	out := new(BlockGetResponse)
-	err := c.cc.Invoke(ctx, "/filesync.File/BlockGet", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
+func (c *drpcFileClient) GetBlocks(ctx context.Context) (DRPCFile_GetBlocksClient, error) {
+	stream, err := c.cc.NewStream(ctx, "/anyFile.File/GetBlocks", drpcEncoding_File_commonfile_fileproto_protos_file_proto{})
+	if err != nil {
+		return nil, err
+	}
+	x := &drpcFile_GetBlocksClient{stream}
+	return x, nil
+}
+
+type DRPCFile_GetBlocksClient interface {
+	drpc.Stream
+	Send(*GetBlockRequest) error
+	Recv() (*GetBlockResponse, error)
+}
+
+type drpcFile_GetBlocksClient struct {
+	drpc.Stream
+}
+
+func (x *drpcFile_GetBlocksClient) Send(m *GetBlockRequest) error {
+	return x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{})
+}
+
+func (x *drpcFile_GetBlocksClient) Recv() (*GetBlockResponse, error) {
+	m := new(GetBlockResponse)
+	if err := x.MsgRecv(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (x *drpcFile_GetBlocksClient) RecvMsg(m *GetBlockResponse) error {
+	return x.MsgRecv(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{})
+}
+
+func (c *drpcFileClient) PushBlock(ctx context.Context, in *PushBlockRequest) (*PushBlockResponse, error) {
+	out := new(PushBlockResponse)
+	err := c.cc.Invoke(ctx, "/anyFile.File/PushBlock", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 
-func (c *drpcFileClient) BlockPush(ctx context.Context, in *BlockPushRequest) (*BlockPushResponse, error) {
-	out := new(BlockPushResponse)
-	err := c.cc.Invoke(ctx, "/filesync.File/BlockPush", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *drpcFileClient) BlocksCheck(ctx context.Context, in *BlocksCheckRequest) (*BlocksCheckResponse, error) {
-	out := new(BlocksCheckResponse)
-	err := c.cc.Invoke(ctx, "/filesync.File/BlocksCheck", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *drpcFileClient) BlocksBind(ctx context.Context, in *BlocksBindRequest) (*BlocksBindResponse, error) {
-	out := new(BlocksBindResponse)
-	err := c.cc.Invoke(ctx, "/filesync.File/BlocksBind", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *drpcFileClient) FilesDelete(ctx context.Context, in *FilesDeleteRequest) (*FilesDeleteResponse, error) {
-	out := new(FilesDeleteResponse)
-	err := c.cc.Invoke(ctx, "/filesync.File/FilesDelete", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *drpcFileClient) FilesInfo(ctx context.Context, in *FilesInfoRequest) (*FilesInfoResponse, error) {
-	out := new(FilesInfoResponse)
-	err := c.cc.Invoke(ctx, "/filesync.File/FilesInfo", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
+func (c *drpcFileClient) DeleteBlocks(ctx context.Context, in *DeleteBlocksRequest) (*DeleteBlocksResponse, error) {
+	out := new(DeleteBlocksResponse)
+	err := c.cc.Invoke(ctx, "/anyFile.File/DeleteBlocks", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
 	if err != nil {
 		return nil, err
 	}
@@ -116,16 +111,7 @@ func (c *drpcFileClient) FilesInfo(ctx context.Context, in *FilesInfoRequest) (*
 
 func (c *drpcFileClient) Check(ctx context.Context, in *CheckRequest) (*CheckResponse, error) {
 	out := new(CheckResponse)
-	err := c.cc.Invoke(ctx, "/filesync.File/Check", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *drpcFileClient) SpaceInfo(ctx context.Context, in *SpaceInfoRequest) (*SpaceInfoResponse, error) {
-	out := new(SpaceInfoResponse)
-	err := c.cc.Invoke(ctx, "/filesync.File/SpaceInfo", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
+	err := c.cc.Invoke(ctx, "/anyFile.File/Check", drpcEncoding_File_commonfile_fileproto_protos_file_proto{}, in, out)
 	if err != nil {
 		return nil, err
 	}
@@ -133,39 +119,23 @@ func (c *drpcFileClient) SpaceInfo(ctx context.Context, in *SpaceInfoRequest) (*
 }
 
 type DRPCFileServer interface {
-	BlockGet(context.Context, *BlockGetRequest) (*BlockGetResponse, error)
-	BlockPush(context.Context, *BlockPushRequest) (*BlockPushResponse, error)
-	BlocksCheck(context.Context, *BlocksCheckRequest) (*BlocksCheckResponse, error)
-	BlocksBind(context.Context, *BlocksBindRequest) (*BlocksBindResponse, error)
-	FilesDelete(context.Context, *FilesDeleteRequest) (*FilesDeleteResponse, error)
-	FilesInfo(context.Context, *FilesInfoRequest) (*FilesInfoResponse, error)
+	GetBlocks(DRPCFile_GetBlocksStream) error
+	PushBlock(context.Context, *PushBlockRequest) (*PushBlockResponse, error)
+	DeleteBlocks(context.Context, *DeleteBlocksRequest) (*DeleteBlocksResponse, error)
 	Check(context.Context, *CheckRequest) (*CheckResponse, error)
-	SpaceInfo(context.Context, *SpaceInfoRequest) (*SpaceInfoResponse, error)
 }
 
 type DRPCFileUnimplementedServer struct{}
 
-func (s *DRPCFileUnimplementedServer) BlockGet(context.Context, *BlockGetRequest) (*BlockGetResponse, error) {
+func (s *DRPCFileUnimplementedServer) GetBlocks(DRPCFile_GetBlocksStream) error {
+	return drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
+}
+
+func (s *DRPCFileUnimplementedServer) PushBlock(context.Context, *PushBlockRequest) (*PushBlockResponse, error) {
 	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
 }
 
-func (s *DRPCFileUnimplementedServer) BlockPush(context.Context, *BlockPushRequest) (*BlockPushResponse, error) {
-	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
-}
-
-func (s *DRPCFileUnimplementedServer) BlocksCheck(context.Context, *BlocksCheckRequest) (*BlocksCheckResponse, error) {
-	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
-}
-
-func (s *DRPCFileUnimplementedServer) BlocksBind(context.Context, *BlocksBindRequest) (*BlocksBindResponse, error) {
-	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
-}
-
-func (s *DRPCFileUnimplementedServer) FilesDelete(context.Context, *FilesDeleteRequest) (*FilesDeleteResponse, error) {
-	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
-}
-
-func (s *DRPCFileUnimplementedServer) FilesInfo(context.Context, *FilesInfoRequest) (*FilesInfoResponse, error) {
+func (s *DRPCFileUnimplementedServer) DeleteBlocks(context.Context, *DeleteBlocksRequest) (*DeleteBlocksResponse, error) {
 	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
 }
 
@@ -173,72 +143,40 @@ func (s *DRPCFileUnimplementedServer) Check(context.Context, *CheckRequest) (*Ch
 	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
 }
 
-func (s *DRPCFileUnimplementedServer) SpaceInfo(context.Context, *SpaceInfoRequest) (*SpaceInfoResponse, error) {
-	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
-}
-
 type DRPCFileDescription struct{}
 
-func (DRPCFileDescription) NumMethods() int { return 8 }
+func (DRPCFileDescription) NumMethods() int { return 4 }
 
 func (DRPCFileDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver, interface{}, bool) {
 	switch n {
 	case 0:
-		return "/filesync.File/BlockGet", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
+		return "/anyFile.File/GetBlocks", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
 			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
-				return srv.(DRPCFileServer).
-					BlockGet(
-						ctx,
-						in1.(*BlockGetRequest),
+				return nil, srv.(DRPCFileServer).
+					GetBlocks(
+						&drpcFile_GetBlocksStream{in1.(drpc.Stream)},
 					)
-			}, DRPCFileServer.BlockGet, true
+			}, DRPCFileServer.GetBlocks, true
 	case 1:
-		return "/filesync.File/BlockPush", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
+		return "/anyFile.File/PushBlock", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
 			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
 				return srv.(DRPCFileServer).
-					BlockPush(
+					PushBlock(
 						ctx,
-						in1.(*BlockPushRequest),
+						in1.(*PushBlockRequest),
 					)
-			}, DRPCFileServer.BlockPush, true
+			}, DRPCFileServer.PushBlock, true
 	case 2:
-		return "/filesync.File/BlocksCheck", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
+		return "/anyFile.File/DeleteBlocks", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
 			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
 				return srv.(DRPCFileServer).
-					BlocksCheck(
+					DeleteBlocks(
 						ctx,
-						in1.(*BlocksCheckRequest),
+						in1.(*DeleteBlocksRequest),
 					)
-			}, DRPCFileServer.BlocksCheck, true
+			}, DRPCFileServer.DeleteBlocks, true
 	case 3:
-		return "/filesync.File/BlocksBind", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
-			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
-				return srv.(DRPCFileServer).
-					BlocksBind(
-						ctx,
-						in1.(*BlocksBindRequest),
-					)
-			}, DRPCFileServer.BlocksBind, true
-	case 4:
-		return "/filesync.File/FilesDelete", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
-			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
-				return srv.(DRPCFileServer).
-					FilesDelete(
-						ctx,
-						in1.(*FilesDeleteRequest),
-					)
-			}, DRPCFileServer.FilesDelete, true
-	case 5:
-		return "/filesync.File/FilesInfo", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
-			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
-				return srv.(DRPCFileServer).
-					FilesInfo(
-						ctx,
-						in1.(*FilesInfoRequest),
-					)
-			}, DRPCFileServer.FilesInfo, true
-	case 6:
-		return "/filesync.File/Check", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
+		return "/anyFile.File/Check", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
 			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
 				return srv.(DRPCFileServer).
 					Check(
@@ -246,15 +184,6 @@ func (DRPCFileDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver,
 						in1.(*CheckRequest),
 					)
 			}, DRPCFileServer.Check, true
-	case 7:
-		return "/filesync.File/SpaceInfo", drpcEncoding_File_commonfile_fileproto_protos_file_proto{},
-			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
-				return srv.(DRPCFileServer).
-					SpaceInfo(
-						ctx,
-						in1.(*SpaceInfoRequest),
-					)
-			}, DRPCFileServer.SpaceInfo, true
 	default:
 		return "", nil, nil, nil, false
 	}
@@ -264,96 +193,58 @@ func DRPCRegisterFile(mux drpc.Mux, impl DRPCFileServer) error {
 	return mux.Register(impl, DRPCFileDescription{})
 }
 
-type DRPCFile_BlockGetStream interface {
+type DRPCFile_GetBlocksStream interface {
 	drpc.Stream
-	SendAndClose(*BlockGetResponse) error
+	Send(*GetBlockResponse) error
+	Recv() (*GetBlockRequest, error)
 }
 
-type drpcFile_BlockGetStream struct {
+type drpcFile_GetBlocksStream struct {
 	drpc.Stream
 }
 
-func (x *drpcFile_BlockGetStream) SendAndClose(m *BlockGetResponse) error {
+func (x *drpcFile_GetBlocksStream) Send(m *GetBlockResponse) error {
+	return x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{})
+}
+
+func (x *drpcFile_GetBlocksStream) Recv() (*GetBlockRequest, error) {
+	m := new(GetBlockRequest)
+	if err := x.MsgRecv(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (x *drpcFile_GetBlocksStream) RecvMsg(m *GetBlockRequest) error {
+	return x.MsgRecv(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{})
+}
+
+type DRPCFile_PushBlockStream interface {
+	drpc.Stream
+	SendAndClose(*PushBlockResponse) error
+}
+
+type drpcFile_PushBlockStream struct {
+	drpc.Stream
+}
+
+func (x *drpcFile_PushBlockStream) SendAndClose(m *PushBlockResponse) error {
 	if err := x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
 		return err
 	}
 	return x.CloseSend()
 }
 
-type DRPCFile_BlockPushStream interface {
+type DRPCFile_DeleteBlocksStream interface {
 	drpc.Stream
-	SendAndClose(*BlockPushResponse) error
+	SendAndClose(*DeleteBlocksResponse) error
 }
 
-type drpcFile_BlockPushStream struct {
+type drpcFile_DeleteBlocksStream struct {
 	drpc.Stream
 }
 
-func (x *drpcFile_BlockPushStream) SendAndClose(m *BlockPushResponse) error {
-	if err := x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
-		return err
-	}
-	return x.CloseSend()
-}
-
-type DRPCFile_BlocksCheckStream interface {
-	drpc.Stream
-	SendAndClose(*BlocksCheckResponse) error
-}
-
-type drpcFile_BlocksCheckStream struct {
-	drpc.Stream
-}
-
-func (x *drpcFile_BlocksCheckStream) SendAndClose(m *BlocksCheckResponse) error {
-	if err := x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
-		return err
-	}
-	return x.CloseSend()
-}
-
-type DRPCFile_BlocksBindStream interface {
-	drpc.Stream
-	SendAndClose(*BlocksBindResponse) error
-}
-
-type drpcFile_BlocksBindStream struct {
-	drpc.Stream
-}
-
-func (x *drpcFile_BlocksBindStream) SendAndClose(m *BlocksBindResponse) error {
-	if err := x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
-		return err
-	}
-	return x.CloseSend()
-}
-
-type DRPCFile_FilesDeleteStream interface {
-	drpc.Stream
-	SendAndClose(*FilesDeleteResponse) error
-}
-
-type drpcFile_FilesDeleteStream struct {
-	drpc.Stream
-}
-
-func (x *drpcFile_FilesDeleteStream) SendAndClose(m *FilesDeleteResponse) error {
-	if err := x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
-		return err
-	}
-	return x.CloseSend()
-}
-
-type DRPCFile_FilesInfoStream interface {
-	drpc.Stream
-	SendAndClose(*FilesInfoResponse) error
-}
-
-type drpcFile_FilesInfoStream struct {
-	drpc.Stream
-}
-
-func (x *drpcFile_FilesInfoStream) SendAndClose(m *FilesInfoResponse) error {
+func (x *drpcFile_DeleteBlocksStream) SendAndClose(m *DeleteBlocksResponse) error {
 	if err := x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
 		return err
 	}
@@ -375,19 +266,3 @@ func (x *drpcFile_CheckStream) SendAndClose(m *CheckResponse) error {
 	}
 	return x.CloseSend()
 }
-
-type DRPCFile_SpaceInfoStream interface {
-	drpc.Stream
-	SendAndClose(*SpaceInfoResponse) error
-}
-
-type drpcFile_SpaceInfoStream struct {
-	drpc.Stream
-}
-
-func (x *drpcFile_SpaceInfoStream) SendAndClose(m *SpaceInfoResponse) error {
-	if err := x.MsgSend(m, drpcEncoding_File_commonfile_fileproto_protos_file_proto{}); err != nil {
-		return err
-	}
-	return x.CloseSend()
-}

commonfile/fileproto/fileprotoerr/fileprotoerr.go

@@ -2,16 +2,12 @@ package fileprotoerr
 
 import (
 	"fmt"
-	"github.com/anyproto/any-sync/commonfile/fileproto"
-	"github.com/anyproto/any-sync/net/rpc/rpcerr"
+	"github.com/anytypeio/any-sync/commonfile/fileproto"
+	"github.com/anytypeio/any-sync/net/rpc/rpcerr"
 )
 
 var (
-	errGroup              = rpcerr.ErrGroup(fileproto.ErrCodes_ErrorOffset)
-	ErrUnexpected         = errGroup.Register(fmt.Errorf("unexpected fileproto error"), uint64(fileproto.ErrCodes_Unexpected))
-	ErrCIDNotFound        = errGroup.Register(fmt.Errorf("CID not found"), uint64(fileproto.ErrCodes_CIDNotFound))
-	ErrForbidden          = errGroup.Register(fmt.Errorf("forbidden"), uint64(fileproto.ErrCodes_Forbidden))
-	ErrSpaceLimitExceeded = errGroup.Register(fmt.Errorf("space limit exceeded"), uint64(fileproto.ErrCodes_SpaceLimitExceeded))
-	ErrQuerySizeExceeded  = errGroup.Register(fmt.Errorf("query size exceeded"), uint64(fileproto.ErrCodes_QuerySizeExceeded))
-	ErrWrongHash          = errGroup.Register(fmt.Errorf("wrong block hash"), uint64(fileproto.ErrCodes_WrongHash))
+	errGroup       = rpcerr.ErrGroup(fileproto.ErrCodes_ErrorOffset)
+	ErrUnexpected  = errGroup.Register(fmt.Errorf("unexpected fileproto error"), uint64(fileproto.ErrCodes_Unexpected))
+	ErrCIDNotFound = errGroup.Register(fmt.Errorf("CID not found"), uint64(fileproto.ErrCodes_CIDNotFound))
 )

commonfile/fileproto/protos/file.proto

@@ -1,123 +1,60 @@
 syntax = "proto3";
-package filesync;
+package anyFile;
 
 option go_package = "commonfile/fileproto";
 
 enum ErrCodes {
     Unexpected = 0;
     CIDNotFound = 1;
-    Forbidden = 2;
-    SpaceLimitExceeded = 3;
-    QuerySizeExceeded = 4;
-    WrongHash = 5;
     ErrorOffset = 200;
 }
 
 service File {
-    // BlockGet gets one block from a server
-    rpc BlockGet(BlockGetRequest) returns (BlockGetResponse);
-    // BlockPush pushes one block to a server
-    rpc BlockPush(BlockPushRequest) returns (BlockPushResponse);
-    // BlocksCheck checks is CIDs exists
-    rpc BlocksCheck(BlocksCheckRequest) returns (BlocksCheckResponse);
-    // BlocksBind binds CIDs to space
-    rpc BlocksBind(BlocksBindRequest) returns (BlocksBindResponse);
-    // FilesDelete deletes files by id
-    rpc FilesDelete(FilesDeleteRequest) returns (FilesDeleteResponse);
-    // FilesInfo return info by given files id
-    rpc FilesInfo(FilesInfoRequest) returns (FilesInfoResponse);
-    // Check checks the connection and credentials
+    // GetBlocks streams ipfs blocks from server to client
+    rpc GetBlocks(stream GetBlockRequest) returns (stream GetBlockResponse);
+    // PushBlock pushes one block to server
+    rpc PushBlock(PushBlockRequest) returns (PushBlockResponse);
+    // DeleteBlock deletes block from space
+    rpc DeleteBlocks(DeleteBlocksRequest) returns (DeleteBlocksResponse);
+    // Ping checks the connection
     rpc Check(CheckRequest) returns (CheckResponse);
-    // SpaceInfo returns usage, limit, etc about space
-    rpc SpaceInfo(SpaceInfoRequest) returns (SpaceInfoResponse);
 }
 
-message BlockGetRequest {
+message GetBlockRequest {
     string spaceId = 1;
     bytes cid = 2;
 }
 
-message BlockGetResponse {
+message GetBlockResponse {
     bytes cid = 1;
     bytes data = 2;
+    CIDError code = 3;
 }
 
-message BlockPushRequest {
+message PushBlockRequest {
     string spaceId = 1;
-    string fileId = 2;
-    bytes cid = 3;
-    bytes data = 4;
+    bytes cid = 2;
+    bytes data = 3;
 }
 
-message BlockPushResponse {}
+message PushBlockResponse {}
 
-
-message BlocksCheckRequest {
+message DeleteBlocksRequest {
     string spaceId = 1;
-    repeated bytes cids = 2;
+    repeated bytes cid = 2;
 }
 
-message BlocksCheckResponse {
-    repeated BlockAvailability blocksAvailability = 1;
-}
-
-message BlockAvailability {
-    bytes cid = 1;
-    AvailabilityStatus status = 2;
-}
-
-enum AvailabilityStatus {
-    NotExists = 0;
-    Exists = 1;
-    ExistsInSpace = 2;
-}
-
-message BlocksBindRequest {
-    string spaceId = 1;
-    string fileId = 2;
-    repeated bytes cids = 3;
-}
-
-message BlocksBindResponse {}
-
-
-message FilesDeleteRequest {
-    string spaceId = 1;
-    repeated string fileIds = 2;
-}
-
-message FilesDeleteResponse {}
-
-message FilesInfoRequest {
-    string spaceId = 1;
-    repeated string fileIds = 2;
-}
-
-message FilesInfoResponse {
-    repeated FileInfo filesInfo = 1;
-}
-
-message FileInfo {
-    string fileId = 1;
-    uint64 usageBytes = 2;
-    uint32 cidsCount = 3;
-}
+message DeleteBlocksResponse {}
 
 message CheckRequest {}
 
 message CheckResponse {
     repeated string spaceIds = 1;
-    bool allowWrite = 2;
 }
 
-message SpaceInfoRequest {
-    string spaceId = 1;
-}
-
-message SpaceInfoResponse {
-    uint64 limitBytes = 1;
-    uint64 usageBytes = 2;
-    uint64 cidsCount = 3;
-    uint64 filesCount = 4;
-}
 
+enum CIDError {
+    CIDErrorOk = 0;
+    CIDErrorNotFound = 1;
+    CIDErrorUnexpected = 2;
+}

commonfile/fileservice/blockservice.go

@@ -2,7 +2,7 @@ package fileservice
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/commonfile/fileblockstore"
+	"github.com/anytypeio/any-sync/commonfile/fileblockstore"
 	blocks "github.com/ipfs/go-block-format"
 	"github.com/ipfs/go-blockservice"
 	"github.com/ipfs/go-cid"

commonfile/fileservice/fileservice.go

@@ -3,9 +3,9 @@ package fileservice
 import (
 	"context"
 	"fmt"
-	"github.com/anyproto/any-sync/app"
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonfile/fileblockstore"
+	"github.com/anytypeio/any-sync/app"
+	"github.com/anytypeio/any-sync/app/logger"
+	"github.com/anytypeio/any-sync/commonfile/fileblockstore"
 	"github.com/ipfs/go-cid"
 	chunker "github.com/ipfs/go-ipfs-chunker"
 	ipld "github.com/ipfs/go-ipld-format"
@@ -22,10 +22,6 @@ const CName = "common.commonfile.fileservice"
 
 var log = logger.NewNamed(CName)
 
-const (
-	ChunkSize = 1 << 20
-)
-
 func New() FileService {
 	return &fileService{}
 }
@@ -78,7 +74,7 @@ func (fs *fileService) AddFile(ctx context.Context, r io.Reader) (ipld.Node, err
 		Maxlinks:   helpers.DefaultLinksPerBlock,
 		CidBuilder: &fs.prefix,
 	}
-	dbh, err := dbp.New(chunker.NewSizeSplitter(r, ChunkSize))
+	dbh, err := dbp.New(chunker.DefaultSplitter(r))
 	if err != nil {
 		return nil, err
 	}

commonspace/commongetter.go

@@ -2,58 +2,38 @@ package commonspace
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/commonspace/object/syncobjectgetter"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/treemanager"
-	"sync/atomic"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/syncacl"
+	"github.com/anytypeio/any-sync/commonspace/object/syncobjectgetter"
+	"github.com/anytypeio/any-sync/commonspace/object/treegetter"
+	"github.com/anytypeio/any-sync/commonspace/settings"
 )
 
-type commonGetter struct {
-	treemanager.TreeManager
-	spaceId         string
-	reservedObjects []syncobjectgetter.SyncObject
-	spaceIsClosed   *atomic.Bool
+type commonSpaceGetter struct {
+	spaceId    string
+	aclList    *syncacl.SyncAcl
+	treeGetter treegetter.TreeGetter
+	settings   settings.SettingsObject
 }
 
-func newCommonGetter(spaceId string, getter treemanager.TreeManager, spaceIsClosed *atomic.Bool) *commonGetter {
-	return &commonGetter{
-		TreeManager:   getter,
-		spaceId:       spaceId,
-		spaceIsClosed: spaceIsClosed,
+func newCommonSpaceGetter(spaceId string, aclList *syncacl.SyncAcl, treeGetter treegetter.TreeGetter, settings settings.SettingsObject) syncobjectgetter.SyncObjectGetter {
+	return &commonSpaceGetter{
+		spaceId:    spaceId,
+		aclList:    aclList,
+		treeGetter: treeGetter,
+		settings:   settings,
 	}
 }
 
-func (c *commonGetter) AddObject(object syncobjectgetter.SyncObject) {
-	c.reservedObjects = append(c.reservedObjects, object)
-}
-
-func (c *commonGetter) GetTree(ctx context.Context, spaceId, treeId string) (objecttree.ObjectTree, error) {
-	if c.spaceIsClosed.Load() {
-		return nil, ErrSpaceClosed
+func (c *commonSpaceGetter) GetObject(ctx context.Context, objectId string) (obj syncobjectgetter.SyncObject, err error) {
+	if c.aclList.Id() == objectId {
+		obj = c.aclList
+		return
 	}
-	if obj := c.getReservedObject(treeId); obj != nil {
-		return obj.(objecttree.ObjectTree), nil
+	if c.settings.Id() == objectId {
+		obj = c.settings.(syncobjectgetter.SyncObject)
+		return
 	}
-	return c.TreeManager.GetTree(ctx, spaceId, treeId)
-}
-
-func (c *commonGetter) getReservedObject(id string) syncobjectgetter.SyncObject {
-	for _, obj := range c.reservedObjects {
-		if obj != nil && obj.Id() == id {
-			return obj
-		}
-	}
-	return nil
-}
-
-func (c *commonGetter) GetObject(ctx context.Context, objectId string) (obj syncobjectgetter.SyncObject, err error) {
-	if c.spaceIsClosed.Load() {
-		return nil, ErrSpaceClosed
-	}
-	if obj := c.getReservedObject(objectId); obj != nil {
-		return obj, nil
-	}
-	t, err := c.TreeManager.GetTree(ctx, c.spaceId, objectId)
+	t, err := c.treeGetter.GetTree(ctx, c.spaceId, objectId)
 	if err != nil {
 		return
 	}

commonspace/commonstorage.go

@@ -1,8 +1,8 @@
 package commonspace
 
 import (
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/commonspace/spacestorage"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
+	"github.com/anytypeio/any-sync/commonspace/spacestorage"
 )
 
 type commonStorage struct {

commonspace/confconnector/confconnector.go

@@ -0,0 +1,85 @@
+//go:generate mockgen -destination mock_confconnector/mock_confconnector.go github.com/anytypeio/any-sync/commonspace/confconnector ConfConnector
+package confconnector
+
+import (
+	"context"
+	"github.com/anytypeio/any-sync/net/peer"
+	"github.com/anytypeio/any-sync/net/pool"
+	"github.com/anytypeio/any-sync/nodeconf"
+	"golang.org/x/exp/slices"
+)
+
+type ConfConnector interface {
+	Configuration() nodeconf.Configuration
+	Pool() pool.Pool
+	GetResponsiblePeers(ctx context.Context, spaceId string) ([]peer.Peer, error)
+	DialInactiveResponsiblePeers(ctx context.Context, spaceId string, activeNodeIds []string) ([]peer.Peer, error)
+}
+
+type confConnector struct {
+	conf nodeconf.Configuration
+	pool pool.Pool
+}
+
+func NewConfConnector(conf nodeconf.Configuration, pool pool.Pool) ConfConnector {
+	return &confConnector{conf: conf, pool: pool}
+}
+
+func (s *confConnector) Configuration() nodeconf.Configuration {
+	return s.conf
+}
+
+func (s *confConnector) Pool() pool.Pool {
+	return s.pool
+}
+
+func (s *confConnector) GetResponsiblePeers(ctx context.Context, spaceId string) ([]peer.Peer, error) {
+	return s.connectOneOrMany(ctx, spaceId, nil, s.pool.Get)
+}
+
+func (s *confConnector) DialInactiveResponsiblePeers(ctx context.Context, spaceId string, activeNodeIds []string) ([]peer.Peer, error) {
+	return s.connectOneOrMany(ctx, spaceId, activeNodeIds, s.pool.Dial)
+}
+
+func (s *confConnector) connectOneOrMany(
+	ctx context.Context,
+	spaceId string,
+	activeNodeIds []string,
+	connectOne func(context.Context, string) (peer.Peer, error)) (peers []peer.Peer, err error) {
+	var (
+		inactiveNodeIds []string
+		allNodes        = s.conf.NodeIds(spaceId)
+	)
+	for _, id := range allNodes {
+		if !slices.Contains(activeNodeIds, id) {
+			inactiveNodeIds = append(inactiveNodeIds, id)
+		}
+	}
+
+	if s.conf.IsResponsible(spaceId) {
+		for _, id := range inactiveNodeIds {
+			var p peer.Peer
+			p, err = connectOne(ctx, id)
+			if err != nil {
+				continue
+			}
+			peers = append(peers, p)
+		}
+	} else if len(activeNodeIds) == 0 {
+		// that means that all connected ids
+		var p peer.Peer
+		p, err = s.pool.GetOneOf(ctx, allNodes)
+		if err != nil {
+			return
+		}
+
+		// if we are dialling someone, we want to dial to the same peer which we cached
+		// thus communication through streams and through diff will go to the same node
+		p, err = connectOne(ctx, p.Id())
+		if err != nil {
+			return
+		}
+		peers = []peer.Peer{p}
+	}
+	return
+}

commonspace/confconnector/mock_confconnector/mock_confconnector.go

@@ -0,0 +1,96 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/anytypeio/any-sync/commonspace/confconnector (interfaces: ConfConnector)
+
+// Package mock_confconnector is a generated GoMock package.
+package mock_confconnector
+
+import (
+	context "context"
+	reflect "reflect"
+
+	peer "github.com/anytypeio/any-sync/net/peer"
+	pool "github.com/anytypeio/any-sync/net/pool"
+	nodeconf "github.com/anytypeio/any-sync/nodeconf"
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockConfConnector is a mock of ConfConnector interface.
+type MockConfConnector struct {
+	ctrl     *gomock.Controller
+	recorder *MockConfConnectorMockRecorder
+}
+
+// MockConfConnectorMockRecorder is the mock recorder for MockConfConnector.
+type MockConfConnectorMockRecorder struct {
+	mock *MockConfConnector
+}
+
+// NewMockConfConnector creates a new mock instance.
+func NewMockConfConnector(ctrl *gomock.Controller) *MockConfConnector {
+	mock := &MockConfConnector{ctrl: ctrl}
+	mock.recorder = &MockConfConnectorMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockConfConnector) EXPECT() *MockConfConnectorMockRecorder {
+	return m.recorder
+}
+
+// Configuration mocks base method.
+func (m *MockConfConnector) Configuration() nodeconf.Configuration {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Configuration")
+	ret0, _ := ret[0].(nodeconf.Configuration)
+	return ret0
+}
+
+// Configuration indicates an expected call of Configuration.
+func (mr *MockConfConnectorMockRecorder) Configuration() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Configuration", reflect.TypeOf((*MockConfConnector)(nil).Configuration))
+}
+
+// DialInactiveResponsiblePeers mocks base method.
+func (m *MockConfConnector) DialInactiveResponsiblePeers(arg0 context.Context, arg1 string, arg2 []string) ([]peer.Peer, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DialInactiveResponsiblePeers", arg0, arg1, arg2)
+	ret0, _ := ret[0].([]peer.Peer)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// DialInactiveResponsiblePeers indicates an expected call of DialInactiveResponsiblePeers.
+func (mr *MockConfConnectorMockRecorder) DialInactiveResponsiblePeers(arg0, arg1, arg2 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DialInactiveResponsiblePeers", reflect.TypeOf((*MockConfConnector)(nil).DialInactiveResponsiblePeers), arg0, arg1, arg2)
+}
+
+// GetResponsiblePeers mocks base method.
+func (m *MockConfConnector) GetResponsiblePeers(arg0 context.Context, arg1 string) ([]peer.Peer, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetResponsiblePeers", arg0, arg1)
+	ret0, _ := ret[0].([]peer.Peer)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetResponsiblePeers indicates an expected call of GetResponsiblePeers.
+func (mr *MockConfConnectorMockRecorder) GetResponsiblePeers(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetResponsiblePeers", reflect.TypeOf((*MockConfConnector)(nil).GetResponsiblePeers), arg0, arg1)
+}
+
+// Pool mocks base method.
+func (m *MockConfConnector) Pool() pool.Pool {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Pool")
+	ret0, _ := ret[0].(pool.Pool)
+	return ret0
+}
+
+// Pool indicates an expected call of Pool.
+func (mr *MockConfConnectorMockRecorder) Pool() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Pool", reflect.TypeOf((*MockConfConnector)(nil).Pool))
+}

commonspace/config.go

@@ -5,7 +5,6 @@ type ConfigGetter interface {
 }
 
 type Config struct {
-	GCTTL                int  `yaml:"gcTTL"`
-	SyncPeriod           int  `yaml:"syncPeriod"`
-	KeepTreeDataInMemory bool `yaml:"keepTreeDataInMemory"`
+	GCTTL      int `yaml:"gcTTL"`
+	SyncPeriod int `yaml:"syncPeriod"`
 }

commonspace/credentialprovider/credentialprovider.go

@@ -1,24 +0,0 @@
-//go:generate mockgen -destination mock_credentialprovider/mock_credentialprovider.go github.com/anyproto/any-sync/commonspace/credentialprovider CredentialProvider
-package credentialprovider
-
-import (
-	"context"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
-)
-
-const CName = "common.commonspace.credentialprovider"
-
-func NewNoOp() CredentialProvider {
-	return &noOpProvider{}
-}
-
-type CredentialProvider interface {
-	GetCredential(ctx context.Context, spaceHeader *spacesyncproto.RawSpaceHeaderWithId) ([]byte, error)
-}
-
-type noOpProvider struct {
-}
-
-func (n noOpProvider) GetCredential(ctx context.Context, spaceHeader *spacesyncproto.RawSpaceHeaderWithId) ([]byte, error) {
-	return nil, nil
-}

commonspace/credentialprovider/mock_credentialprovider/mock_credentialprovider.go

@@ -1,51 +0,0 @@
-// Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anyproto/any-sync/commonspace/credentialprovider (interfaces: CredentialProvider)
-
-// Package mock_credentialprovider is a generated GoMock package.
-package mock_credentialprovider
-
-import (
-	context "context"
-	reflect "reflect"
-
-	spacesyncproto "github.com/anyproto/any-sync/commonspace/spacesyncproto"
-	gomock "github.com/golang/mock/gomock"
-)
-
-// MockCredentialProvider is a mock of CredentialProvider interface.
-type MockCredentialProvider struct {
-	ctrl     *gomock.Controller
-	recorder *MockCredentialProviderMockRecorder
-}
-
-// MockCredentialProviderMockRecorder is the mock recorder for MockCredentialProvider.
-type MockCredentialProviderMockRecorder struct {
-	mock *MockCredentialProvider
-}
-
-// NewMockCredentialProvider creates a new mock instance.
-func NewMockCredentialProvider(ctrl *gomock.Controller) *MockCredentialProvider {
-	mock := &MockCredentialProvider{ctrl: ctrl}
-	mock.recorder = &MockCredentialProviderMockRecorder{mock}
-	return mock
-}
-
-// EXPECT returns an object that allows the caller to indicate expected use.
-func (m *MockCredentialProvider) EXPECT() *MockCredentialProviderMockRecorder {
-	return m.recorder
-}
-
-// GetCredential mocks base method.
-func (m *MockCredentialProvider) GetCredential(arg0 context.Context, arg1 *spacesyncproto.RawSpaceHeaderWithId) ([]byte, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetCredential", arg0, arg1)
-	ret0, _ := ret[0].([]byte)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetCredential indicates an expected call of GetCredential.
-func (mr *MockCredentialProviderMockRecorder) GetCredential(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetCredential", reflect.TypeOf((*MockCredentialProvider)(nil).GetCredential), arg0, arg1)
-}

commonspace/deletion_test.go

@@ -1,271 +0,0 @@
-package commonspace
-
-import (
-	"context"
-	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/commonspace/settings"
-	"github.com/anyproto/any-sync/commonspace/settings/settingsstate"
-	"github.com/anyproto/any-sync/commonspace/spacestorage"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
-	"github.com/anyproto/any-sync/util/crypto"
-	"github.com/stretchr/testify/require"
-	"math/rand"
-	"testing"
-	"time"
-)
-
-func addIncorrectSnapshot(settingsObject settings.SettingsObject, acc *accountdata.AccountKeys, partialIds map[string]struct{}, newId string) (err error) {
-	factory := settingsstate.NewChangeFactory()
-	bytes, err := factory.CreateObjectDeleteChange(newId, &settingsstate.State{DeletedIds: partialIds}, true)
-	if err != nil {
-		return
-	}
-	ch, err := settingsObject.PrepareChange(objecttree.SignableChangeContent{
-		Data:        bytes,
-		Key:         acc.SignKey,
-		IsSnapshot:  true,
-		IsEncrypted: false,
-		Timestamp:   time.Now().Unix(),
-	})
-	if err != nil {
-		return
-	}
-	res, err := settingsObject.AddRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads:   []string{ch.Id},
-		RawChanges: []*treechangeproto.RawTreeChangeWithId{ch},
-	})
-	if err != nil {
-		return
-	}
-	if res.Mode != objecttree.Rebuild {
-		return fmt.Errorf("incorrect mode: %d", res.Mode)
-	}
-	return
-}
-
-func TestSpaceDeleteIds(t *testing.T) {
-	fx := newFixture(t)
-	acc := fx.account.Account()
-	rk := crypto.NewAES()
-	ctx := context.Background()
-	totalObjs := 1500
-
-	// creating space
-	sp, err := fx.spaceService.CreateSpace(ctx, SpaceCreatePayload{
-		SigningKey:     acc.SignKey,
-		SpaceType:      "type",
-		ReadKey:        rk.Bytes(),
-		ReplicationKey: 10,
-		MasterKey:      acc.PeerKey,
-	})
-	require.NoError(t, err)
-	require.NotNil(t, sp)
-
-	// initializing space
-	spc, err := fx.spaceService.NewSpace(ctx, sp)
-	require.NoError(t, err)
-	require.NotNil(t, spc)
-	// adding space to tree manager
-	fx.treeManager.space = spc
-	err = spc.Init(ctx)
-	require.NoError(t, err)
-
-	var ids []string
-	for i := 0; i < totalObjs; i++ {
-		// creating a tree
-		bytes := make([]byte, 32)
-		rand.Read(bytes)
-		doc, err := spc.CreateTree(ctx, objecttree.ObjectTreeCreatePayload{
-			PrivKey:     acc.SignKey,
-			ChangeType:  "some",
-			SpaceId:     spc.Id(),
-			IsEncrypted: false,
-			Seed:        bytes,
-			Timestamp:   time.Now().Unix(),
-		})
-		require.NoError(t, err)
-		tr, err := spc.PutTree(ctx, doc, nil)
-		require.NoError(t, err)
-		ids = append(ids, tr.Id())
-		tr.Close()
-	}
-	// deleting trees
-	for _, id := range ids {
-		err = spc.DeleteTree(ctx, id)
-		require.NoError(t, err)
-	}
-	time.Sleep(3 * time.Second)
-	spc.Close()
-	require.Equal(t, len(ids), len(fx.treeManager.deletedIds))
-}
-
-func createTree(t *testing.T, ctx context.Context, spc Space, acc *accountdata.AccountKeys) string {
-	bytes := make([]byte, 32)
-	rand.Read(bytes)
-	doc, err := spc.CreateTree(ctx, objecttree.ObjectTreeCreatePayload{
-		PrivKey:     acc.SignKey,
-		ChangeType:  "some",
-		SpaceId:     spc.Id(),
-		IsEncrypted: false,
-		Seed:        bytes,
-		Timestamp:   time.Now().Unix(),
-	})
-	require.NoError(t, err)
-	tr, err := spc.PutTree(ctx, doc, nil)
-	require.NoError(t, err)
-	tr.Close()
-	return tr.Id()
-}
-
-func TestSpaceDeleteIdsIncorrectSnapshot(t *testing.T) {
-	fx := newFixture(t)
-	acc := fx.account.Account()
-	rk := crypto.NewAES()
-	ctx := context.Background()
-	totalObjs := 1500
-	partialObjs := 300
-
-	// creating space
-	sp, err := fx.spaceService.CreateSpace(ctx, SpaceCreatePayload{
-		SigningKey:     acc.SignKey,
-		SpaceType:      "type",
-		ReadKey:        rk.Bytes(),
-		ReplicationKey: 10,
-		MasterKey:      acc.PeerKey,
-	})
-	require.NoError(t, err)
-	require.NotNil(t, sp)
-
-	// initializing space
-	spc, err := fx.spaceService.NewSpace(ctx, sp)
-	require.NoError(t, err)
-	require.NotNil(t, spc)
-	// adding space to tree manager
-	fx.treeManager.space = spc
-	err = spc.Init(ctx)
-	require.NoError(t, err)
-
-	settingsObject := spc.(*space).settingsObject
-	var ids []string
-	for i := 0; i < totalObjs; i++ {
-		id := createTree(t, ctx, spc, acc)
-		ids = append(ids, id)
-	}
-	// copying storage, so we will have all the trees locally
-	inmemory := spc.Storage().(*commonStorage).SpaceStorage.(*spacestorage.InMemorySpaceStorage)
-	storageCopy := inmemory.CopyStorage()
-	treesCopy := inmemory.AllTrees()
-
-	// deleting trees
-	for _, id := range ids {
-		err = spc.DeleteTree(ctx, id)
-		require.NoError(t, err)
-	}
-	mapIds := map[string]struct{}{}
-	for _, id := range ids[:partialObjs] {
-		mapIds[id] = struct{}{}
-	}
-	// adding snapshot that breaks the state
-	err = addIncorrectSnapshot(settingsObject, acc, mapIds, ids[partialObjs])
-	require.NoError(t, err)
-	// copying the contents of the settings tree
-	treesCopy[settingsObject.Id()] = settingsObject.Storage()
-	storageCopy.SetTrees(treesCopy)
-	spc.Close()
-	time.Sleep(100 * time.Millisecond)
-	// now we replace the storage, so the trees are back, but the settings object says that they are deleted
-	fx.storageProvider.(*spacestorage.InMemorySpaceStorageProvider).SetStorage(storageCopy)
-
-	spc, err = fx.spaceService.NewSpace(ctx, sp)
-	require.NoError(t, err)
-	require.NotNil(t, spc)
-	fx.treeManager.space = spc
-	fx.treeManager.deletedIds = nil
-	err = spc.Init(ctx)
-	require.NoError(t, err)
-
-	// waiting until everything is deleted
-	time.Sleep(3 * time.Second)
-	require.Equal(t, len(ids), len(fx.treeManager.deletedIds))
-
-	// checking that new snapshot will contain all the changes
-	settingsObject = spc.(*space).settingsObject
-	settings.DoSnapshot = func(treeLen int) bool {
-		return true
-	}
-	id := createTree(t, ctx, spc, acc)
-	err = spc.DeleteTree(ctx, id)
-	require.NoError(t, err)
-	delIds := settingsObject.Root().Model.(*spacesyncproto.SettingsData).Snapshot.DeletedIds
-	require.Equal(t, totalObjs+1, len(delIds))
-}
-
-func TestSpaceDeleteIdsMarkDeleted(t *testing.T) {
-	fx := newFixture(t)
-	acc := fx.account.Account()
-	rk := crypto.NewAES()
-	ctx := context.Background()
-	totalObjs := 1500
-
-	// creating space
-	sp, err := fx.spaceService.CreateSpace(ctx, SpaceCreatePayload{
-		SigningKey:     acc.SignKey,
-		SpaceType:      "type",
-		ReadKey:        rk.Bytes(),
-		ReplicationKey: 10,
-		MasterKey:      acc.PeerKey,
-	})
-	require.NoError(t, err)
-	require.NotNil(t, sp)
-
-	// initializing space
-	spc, err := fx.spaceService.NewSpace(ctx, sp)
-	require.NoError(t, err)
-	require.NotNil(t, spc)
-	// adding space to tree manager
-	fx.treeManager.space = spc
-	err = spc.Init(ctx)
-	require.NoError(t, err)
-
-	settingsObject := spc.(*space).settingsObject
-	var ids []string
-	for i := 0; i < totalObjs; i++ {
-		id := createTree(t, ctx, spc, acc)
-		ids = append(ids, id)
-	}
-	// copying storage, so we will have the same contents, except for empty trees
-	inmemory := spc.Storage().(*commonStorage).SpaceStorage.(*spacestorage.InMemorySpaceStorage)
-	storageCopy := inmemory.CopyStorage()
-
-	// deleting trees, this will prepare the document to have all the deletion changes
-	for _, id := range ids {
-		err = spc.DeleteTree(ctx, id)
-		require.NoError(t, err)
-	}
-	treesMap := map[string]treestorage.TreeStorage{}
-	// copying the contents of the settings tree
-	treesMap[settingsObject.Id()] = settingsObject.Storage()
-	storageCopy.SetTrees(treesMap)
-	spc.Close()
-	time.Sleep(100 * time.Millisecond)
-	// now we replace the storage, so the trees are back, but the settings object says that they are deleted
-	fx.storageProvider.(*spacestorage.InMemorySpaceStorageProvider).SetStorage(storageCopy)
-
-	spc, err = fx.spaceService.NewSpace(ctx, sp)
-	require.NoError(t, err)
-	require.NotNil(t, spc)
-	fx.treeManager.space = spc
-	fx.treeManager.deletedIds = nil
-	fx.treeManager.markedIds = nil
-	err = spc.Init(ctx)
-	require.NoError(t, err)
-
-	// waiting until everything is deleted
-	time.Sleep(3 * time.Second)
-	require.Equal(t, len(ids), len(fx.treeManager.markedIds))
-	require.Zero(t, len(fx.treeManager.deletedIds))
-}

commonspace/headsync/diffsyncer.go

@@ -2,18 +2,16 @@ package headsync
 
 import (
 	"context"
-	"fmt"
-	"github.com/anyproto/any-sync/app/ldiff"
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonspace/credentialprovider"
-	"github.com/anyproto/any-sync/commonspace/object/treemanager"
-	"github.com/anyproto/any-sync/commonspace/peermanager"
-	"github.com/anyproto/any-sync/commonspace/settings/settingsstate"
-	"github.com/anyproto/any-sync/commonspace/spacestorage"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
-	"github.com/anyproto/any-sync/commonspace/syncstatus"
-	"github.com/anyproto/any-sync/net/peer"
-	"github.com/anyproto/any-sync/net/rpc/rpcerr"
+	"github.com/anytypeio/any-sync/app/ldiff"
+	"github.com/anytypeio/any-sync/commonspace/confconnector"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/synctree"
+	"github.com/anytypeio/any-sync/commonspace/object/treegetter"
+	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/spacestorage"
+	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
+	"github.com/anytypeio/any-sync/commonspace/syncstatus"
+	"github.com/anytypeio/any-sync/net/peer"
+	"github.com/anytypeio/any-sync/net/rpc/rpcerr"
 	"go.uber.org/zap"
 	"time"
 )
@@ -22,51 +20,45 @@ type DiffSyncer interface {
 	Sync(ctx context.Context) error
 	RemoveObjects(ids []string)
 	UpdateHeads(id string, heads []string)
-	Init(deletionState settingsstate.ObjectDeletionState)
-	Close() error
+	Init(deletionState deletionstate.DeletionState)
 }
 
 func newDiffSyncer(
 	spaceId string,
 	diff ldiff.Diff,
-	peerManager peermanager.PeerManager,
-	cache treemanager.TreeManager,
+	confConnector confconnector.ConfConnector,
+	cache treegetter.TreeGetter,
 	storage spacestorage.SpaceStorage,
 	clientFactory spacesyncproto.ClientFactory,
 	syncStatus syncstatus.StatusUpdater,
-	credentialProvider credentialprovider.CredentialProvider,
-	log logger.CtxLogger) DiffSyncer {
+	log *zap.Logger) DiffSyncer {
 	return &diffSyncer{
-		diff:               diff,
-		spaceId:            spaceId,
-		treeManager:        cache,
-		storage:            storage,
-		peerManager:        peerManager,
-		clientFactory:      clientFactory,
-		credentialProvider: credentialProvider,
-		log:                log,
-		syncStatus:         syncStatus,
+		diff:          diff,
+		spaceId:       spaceId,
+		cache:         cache,
+		storage:       storage,
+		confConnector: confConnector,
+		clientFactory: clientFactory,
+		log:           log,
+		syncStatus:    syncStatus,
 	}
 }
 
 type diffSyncer struct {
-	spaceId            string
-	diff               ldiff.Diff
-	peerManager        peermanager.PeerManager
-	treeManager        treemanager.TreeManager
-	storage            spacestorage.SpaceStorage
-	clientFactory      spacesyncproto.ClientFactory
-	log                logger.CtxLogger
-	deletionState      settingsstate.ObjectDeletionState
-	credentialProvider credentialprovider.CredentialProvider
-	syncStatus         syncstatus.StatusUpdater
-	treeSyncer         treemanager.TreeSyncer
+	spaceId       string
+	diff          ldiff.Diff
+	confConnector confconnector.ConfConnector
+	cache         treegetter.TreeGetter
+	storage       spacestorage.SpaceStorage
+	clientFactory spacesyncproto.ClientFactory
+	log           *zap.Logger
+	deletionState deletionstate.DeletionState
+	syncStatus    syncstatus.StatusUpdater
 }
 
-func (d *diffSyncer) Init(deletionState settingsstate.ObjectDeletionState) {
+func (d *diffSyncer) Init(deletionState deletionstate.DeletionState) {
 	d.deletionState = deletionState
 	d.deletionState.AddObserver(d.RemoveObjects)
-	d.treeSyncer = d.treeManager.NewTreeSyncer(d.spaceId, d.treeManager)
 }
 
 func (d *diffSyncer) RemoveObjects(ids []string) {
@@ -92,29 +84,22 @@ func (d *diffSyncer) UpdateHeads(id string, heads []string) {
 }
 
 func (d *diffSyncer) Sync(ctx context.Context) error {
-	// TODO: split diffsyncer into components
 	st := time.Now()
 	// diffing with responsible peers according to configuration
-	peers, err := d.peerManager.GetResponsiblePeers(ctx)
+	peers, err := d.confConnector.GetResponsiblePeers(ctx, d.spaceId)
 	if err != nil {
 		return err
 	}
-	var peerIds = make([]string, 0, len(peers))
 	for _, p := range peers {
-		peerIds = append(peerIds, p.Id())
-	}
-	d.log.DebugCtx(ctx, "start diffsync", zap.Strings("peerIds", peerIds))
-	for _, p := range peers {
-		if err = d.syncWithPeer(peer.CtxWithPeerId(ctx, p.Id()), p); err != nil {
-			d.log.ErrorCtx(ctx, "can't sync with peer", zap.String("peer", p.Id()), zap.Error(err))
+		if err := d.syncWithPeer(ctx, p); err != nil {
+			d.log.Error("can't sync with peer", zap.String("peer", p.Id()), zap.Error(err))
 		}
 	}
-	d.log.InfoCtx(ctx, "diff done", zap.String("spaceId", d.spaceId), zap.Duration("dur", time.Since(st)))
+	d.log.Info("synced", zap.String("spaceId", d.spaceId), zap.Duration("dur", time.Since(st)))
 	return nil
 }
 
 func (d *diffSyncer) syncWithPeer(ctx context.Context, p peer.Peer) (err error) {
-	ctx = logger.CtxWithFields(ctx, zap.String("peerId", p.Id()))
 	var (
 		cl           = d.clientFactory.Client(p)
 		rdiff        = NewRemoteDiff(d.spaceId, cl)
@@ -124,40 +109,50 @@ func (d *diffSyncer) syncWithPeer(ctx context.Context, p peer.Peer) (err error)
 	newIds, changedIds, removedIds, err := d.diff.Diff(ctx, rdiff)
 	err = rpcerr.Unwrap(err)
 	if err != nil && err != spacesyncproto.ErrSpaceMissing {
-		if err == spacesyncproto.ErrSpaceIsDeleted {
-			d.log.Debug("got space deleted while syncing")
-			d.treeSyncer.SyncAll(ctx, p.Id(), []string{d.storage.SpaceSettingsId()}, nil)
-		}
 		d.syncStatus.SetNodesOnline(p.Id(), false)
-		return fmt.Errorf("diff error: %v", err)
+		return err
 	}
 	d.syncStatus.SetNodesOnline(p.Id(), true)
 
 	if err == spacesyncproto.ErrSpaceMissing {
-		return d.sendPushSpaceRequest(ctx, p.Id(), cl)
+		return d.sendPushSpaceRequest(ctx, cl)
 	}
 
 	totalLen := len(newIds) + len(changedIds) + len(removedIds)
 	// not syncing ids which were removed through settings document
-	missingIds := d.deletionState.Filter(newIds)
-	existingIds := append(d.deletionState.Filter(removedIds), d.deletionState.Filter(changedIds)...)
+	filteredIds := d.deletionState.FilterJoin(newIds, changedIds, removedIds)
 
-	d.syncStatus.RemoveAllExcept(p.Id(), existingIds, stateCounter)
+	d.syncStatus.RemoveAllExcept(p.Id(), filteredIds, stateCounter)
+
+	ctx = peer.CtxWithPeerId(ctx, p.Id())
+	d.pingTreesInCache(ctx, filteredIds)
 
-	err = d.treeSyncer.SyncAll(ctx, p.Id(), existingIds, missingIds)
-	if err != nil {
-		return err
-	}
 	d.log.Info("sync done:", zap.Int("newIds", len(newIds)),
 		zap.Int("changedIds", len(changedIds)),
 		zap.Int("removedIds", len(removedIds)),
-		zap.Int("already deleted ids", totalLen-len(existingIds)-len(missingIds)),
-		zap.String("peerId", p.Id()),
-	)
+		zap.Int("already deleted ids", totalLen-len(filteredIds)))
 	return
 }
 
-func (d *diffSyncer) sendPushSpaceRequest(ctx context.Context, peerId string, cl spacesyncproto.DRPCSpaceSyncClient) (err error) {
+func (d *diffSyncer) pingTreesInCache(ctx context.Context, trees []string) {
+	for _, tId := range trees {
+		tree, err := d.cache.GetTree(ctx, d.spaceId, tId)
+		if err != nil {
+			continue
+		}
+		syncTree, ok := tree.(synctree.SyncTree)
+		if !ok {
+			continue
+		}
+		// the idea why we call it directly is that if we try to get it from cache
+		// it may be already there (i.e. loaded)
+		// and build func will not be called, thus we won't sync the tree
+		// therefore we just do it manually
+		syncTree.Ping()
+	}
+}
+
+func (d *diffSyncer) sendPushSpaceRequest(ctx context.Context, cl spacesyncproto.DRPCSpaceSyncClient) (err error) {
 	aclStorage, err := d.storage.AclStorage()
 	if err != nil {
 		return
@@ -182,10 +177,6 @@ func (d *diffSyncer) sendPushSpaceRequest(ctx context.Context, peerId string, cl
 		return
 	}
 
-	cred, err := d.credentialProvider.GetCredential(ctx, header)
-	if err != nil {
-		return
-	}
 	spacePayload := &spacesyncproto.SpacePayload{
 		SpaceHeader:            header,
 		AclPayload:             root.Payload,
@@ -194,32 +185,7 @@ func (d *diffSyncer) sendPushSpaceRequest(ctx context.Context, peerId string, cl
 		SpaceSettingsPayloadId: spaceSettingsRoot.Id,
 	}
 	_, err = cl.SpacePush(ctx, &spacesyncproto.SpacePushRequest{
-		Payload:    spacePayload,
-		Credential: cred,
+		Payload: spacePayload,
 	})
-	if err != nil {
-		return
-	}
-	if e := d.subscribe(ctx, peerId); e != nil {
-		d.log.WarnCtx(ctx, "error subscribing for space", zap.Error(e))
-	}
 	return
 }
-
-func (d *diffSyncer) subscribe(ctx context.Context, peerId string) (err error) {
-	var msg = &spacesyncproto.SpaceSubscription{
-		SpaceIds: []string{d.spaceId},
-		Action:   spacesyncproto.SpaceSubscriptionAction_Subscribe,
-	}
-	payload, err := msg.Marshal()
-	if err != nil {
-		return
-	}
-	return d.peerManager.SendPeer(ctx, peerId, &spacesyncproto.ObjectSyncMessage{
-		Payload: payload,
-	})
-}
-
-func (d *diffSyncer) Close() error {
-	return d.treeSyncer.Close()
-}

commonspace/headsync/diffsyncer_test.go

@@ -1,25 +1,22 @@
 package headsync
 
 import (
-	"bytes"
 	"context"
 	"fmt"
-	"github.com/anyproto/any-sync/app/ldiff"
-	"github.com/anyproto/any-sync/app/ldiff/mock_ldiff"
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonspace/credentialprovider/mock_credentialprovider"
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/commonspace/object/acl/liststorage/mock_liststorage"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	mock_treestorage "github.com/anyproto/any-sync/commonspace/object/tree/treestorage/mock_treestorage"
-	"github.com/anyproto/any-sync/commonspace/object/treemanager/mock_treemanager"
-	"github.com/anyproto/any-sync/commonspace/peermanager/mock_peermanager"
-	"github.com/anyproto/any-sync/commonspace/settings/settingsstate/mock_settingsstate"
-	"github.com/anyproto/any-sync/commonspace/spacestorage/mock_spacestorage"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto/mock_spacesyncproto"
-	"github.com/anyproto/any-sync/commonspace/syncstatus"
-	"github.com/anyproto/any-sync/net/peer"
+	"github.com/anytypeio/any-sync/app/ldiff"
+	"github.com/anytypeio/any-sync/app/ldiff/mock_ldiff"
+	"github.com/anytypeio/any-sync/app/logger"
+	"github.com/anytypeio/any-sync/commonspace/confconnector/mock_confconnector"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	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/settings/deletionstate/mock_deletionstate"
+	"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"
+	"github.com/anytypeio/any-sync/commonspace/syncstatus"
+	"github.com/anytypeio/any-sync/net/peer"
 	"github.com/golang/mock/gomock"
 	"github.com/libp2p/go-libp2p/core/sec"
 	"github.com/stretchr/testify/require"
@@ -32,7 +29,6 @@ type pushSpaceRequestMatcher struct {
 	spaceId     string
 	aclRootId   string
 	settingsId  string
-	credential  []byte
 	spaceHeader *spacesyncproto.RawSpaceHeaderWithId
 }
 
@@ -42,7 +38,7 @@ func (p pushSpaceRequestMatcher) Matches(x interface{}) bool {
 		return false
 	}
 
-	return res.Payload.AclPayloadId == p.aclRootId && res.Payload.SpaceHeader == p.spaceHeader && res.Payload.SpaceSettingsPayloadId == p.settingsId && bytes.Equal(p.credential, res.Credential)
+	return res.Payload.AclPayloadId == p.aclRootId && res.Payload.SpaceHeader == p.spaceHeader && res.Payload.SpaceSettingsPayloadId == p.settingsId
 }
 
 func (p pushSpaceRequestMatcher) String() string {
@@ -51,14 +47,6 @@ func (p pushSpaceRequestMatcher) String() string {
 
 type mockPeer struct{}
 
-func (m mockPeer) Addr() string {
-	return ""
-}
-
-func (m mockPeer) TryClose(objectTTL time.Duration) (res bool, err error) {
-	return true, m.Close()
-}
-
 func (m mockPeer) Id() string {
 	return "mockId"
 }
@@ -94,13 +82,11 @@ func newPushSpaceRequestMatcher(
 	spaceId string,
 	aclRootId string,
 	settingsId string,
-	credential []byte,
 	spaceHeader *spacesyncproto.RawSpaceHeaderWithId) *pushSpaceRequestMatcher {
 	return &pushSpaceRequestMatcher{
 		spaceId:     spaceId,
 		aclRootId:   aclRootId,
 		settingsId:  settingsId,
-		credential:  credential,
 		spaceHeader: spaceHeader,
 	}
 }
@@ -112,42 +98,40 @@ func TestDiffSyncer_Sync(t *testing.T) {
 	defer ctrl.Finish()
 
 	diffMock := mock_ldiff.NewMockDiff(ctrl)
-	peerManagerMock := mock_peermanager.NewMockPeerManager(ctrl)
-	cacheMock := mock_treemanager.NewMockTreeManager(ctrl)
+	connectorMock := mock_confconnector.NewMockConfConnector(ctrl)
+	cacheMock := mock_treegetter.NewMockTreeGetter(ctrl)
 	stMock := mock_spacestorage.NewMockSpaceStorage(ctrl)
 	clientMock := mock_spacesyncproto.NewMockDRPCSpaceSyncClient(ctrl)
 	factory := spacesyncproto.ClientFactoryFunc(func(cc drpc.Conn) spacesyncproto.DRPCSpaceSyncClient {
 		return clientMock
 	})
-	treeSyncerMock := mock_treemanager.NewMockTreeSyncer(ctrl)
-	credentialProvider := mock_credentialprovider.NewMockCredentialProvider(ctrl)
-	delState := mock_settingsstate.NewMockObjectDeletionState(ctrl)
+	delState := mock_deletionstate.NewMockDeletionState(ctrl)
 	spaceId := "spaceId"
 	aclRootId := "aclRootId"
 	l := logger.NewNamed(spaceId)
-	diffSyncer := newDiffSyncer(spaceId, diffMock, peerManagerMock, cacheMock, stMock, factory, syncstatus.NewNoOpSyncStatus(), credentialProvider, l)
+	diffSyncer := newDiffSyncer(spaceId, diffMock, connectorMock, cacheMock, stMock, factory, syncstatus.NewNoOpSyncStatus(), l)
 	delState.EXPECT().AddObserver(gomock.Any())
-	cacheMock.EXPECT().NewTreeSyncer(spaceId, gomock.Any()).Return(treeSyncerMock)
 	diffSyncer.Init(delState)
 
 	t.Run("diff syncer sync", func(t *testing.T) {
-		mPeer := mockPeer{}
-		peerManagerMock.EXPECT().
-			GetResponsiblePeers(gomock.Any()).
-			Return([]peer.Peer{mPeer}, nil)
+		connectorMock.EXPECT().
+			GetResponsiblePeers(gomock.Any(), spaceId).
+			Return([]peer.Peer{mockPeer{}}, nil)
 		diffMock.EXPECT().
 			Diff(gomock.Any(), gomock.Eq(NewRemoteDiff(spaceId, clientMock))).
 			Return([]string{"new"}, []string{"changed"}, nil, nil)
-		delState.EXPECT().Filter([]string{"new"}).Return([]string{"new"}).Times(1)
-		delState.EXPECT().Filter([]string{"changed"}).Return([]string{"changed"}).Times(1)
-		delState.EXPECT().Filter(nil).Return(nil).Times(1)
-		treeSyncerMock.EXPECT().SyncAll(gomock.Any(), mPeer.Id(), []string{"changed"}, []string{"new"}).Return(nil)
+		delState.EXPECT().FilterJoin(gomock.Any()).Return([]string{"new", "changed"})
+		for _, arg := range []string{"new", "changed"} {
+			cacheMock.EXPECT().
+				GetTree(gomock.Any(), spaceId, arg).
+				Return(nil, nil)
+		}
 		require.NoError(t, diffSyncer.Sync(ctx))
 	})
 
 	t.Run("diff syncer sync conf error", func(t *testing.T) {
-		peerManagerMock.EXPECT().
-			GetResponsiblePeers(gomock.Any()).
+		connectorMock.EXPECT().
+			GetResponsiblePeers(gomock.Any(), spaceId).
 			Return(nil, fmt.Errorf("some error"))
 
 		require.Error(t, diffSyncer.Sync(ctx))
@@ -176,7 +160,7 @@ func TestDiffSyncer_Sync(t *testing.T) {
 	})
 
 	t.Run("diff syncer sync space missing", func(t *testing.T) {
-		aclStorageMock := mock_liststorage.NewMockListStorage(ctrl)
+		aclStorageMock := mock_treestorage.NewMockListStorage(ctrl)
 		settingsStorage := mock_treestorage.NewMockTreeStorage(ctrl)
 		settingsId := "settingsId"
 		aclRoot := &aclrecordproto.RawAclRecordWithId{
@@ -187,10 +171,9 @@ func TestDiffSyncer_Sync(t *testing.T) {
 		}
 		spaceHeader := &spacesyncproto.RawSpaceHeaderWithId{}
 		spaceSettingsId := "spaceSettingsId"
-		credential := []byte("credential")
 
-		peerManagerMock.EXPECT().
-			GetResponsiblePeers(gomock.Any()).
+		connectorMock.EXPECT().
+			GetResponsiblePeers(gomock.Any(), spaceId).
 			Return([]peer.Peer{mockPeer{}}, nil)
 		diffMock.EXPECT().
 			Diff(gomock.Any(), gomock.Eq(NewRemoteDiff(spaceId, clientMock))).
@@ -205,20 +188,16 @@ func TestDiffSyncer_Sync(t *testing.T) {
 		aclStorageMock.EXPECT().
 			Root().
 			Return(aclRoot, nil)
-		credentialProvider.EXPECT().
-			GetCredential(gomock.Any(), spaceHeader).
-			Return(credential, nil)
 		clientMock.EXPECT().
-			SpacePush(gomock.Any(), newPushSpaceRequestMatcher(spaceId, aclRootId, settingsId, credential, spaceHeader)).
+			SpacePush(gomock.Any(), newPushSpaceRequestMatcher(spaceId, aclRootId, settingsId, spaceHeader)).
 			Return(nil, nil)
-		peerManagerMock.EXPECT().SendPeer(gomock.Any(), "mockId", gomock.Any())
 
 		require.NoError(t, diffSyncer.Sync(ctx))
 	})
 
-	t.Run("diff syncer sync unexpected", func(t *testing.T) {
-		peerManagerMock.EXPECT().
-			GetResponsiblePeers(gomock.Any()).
+	t.Run("diff syncer sync other error", func(t *testing.T) {
+		connectorMock.EXPECT().
+			GetResponsiblePeers(gomock.Any(), spaceId).
 			Return([]peer.Peer{mockPeer{}}, nil)
 		diffMock.EXPECT().
 			Diff(gomock.Any(), gomock.Eq(NewRemoteDiff(spaceId, clientMock))).
@@ -226,18 +205,4 @@ func TestDiffSyncer_Sync(t *testing.T) {
 
 		require.NoError(t, diffSyncer.Sync(ctx))
 	})
-
-	t.Run("diff syncer sync space is deleted error", func(t *testing.T) {
-		mPeer := mockPeer{}
-		peerManagerMock.EXPECT().
-			GetResponsiblePeers(gomock.Any()).
-			Return([]peer.Peer{mPeer}, nil)
-		diffMock.EXPECT().
-			Diff(gomock.Any(), gomock.Eq(NewRemoteDiff(spaceId, clientMock))).
-			Return(nil, nil, nil, spacesyncproto.ErrSpaceIsDeleted)
-		stMock.EXPECT().SpaceSettingsId().Return("settingsId")
-		treeSyncerMock.EXPECT().SyncAll(gomock.Any(), mPeer.Id(), []string{"settingsId"}, nil).Return(nil)
-
-		require.NoError(t, diffSyncer.Sync(ctx))
-	})
 }

commonspace/headsync/headsync.go

@@ -1,24 +1,18 @@
-//go:generate mockgen -destination mock_headsync/mock_headsync.go github.com/anyproto/any-sync/commonspace/headsync DiffSyncer
+//go:generate mockgen -destination mock_headsync/mock_headsync.go github.com/anytypeio/any-sync/commonspace/headsync DiffSyncer
 package headsync
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/app/ldiff"
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonspace/credentialprovider"
-	"github.com/anyproto/any-sync/commonspace/object/treemanager"
-	"github.com/anyproto/any-sync/commonspace/peermanager"
-	"github.com/anyproto/any-sync/commonspace/settings/settingsstate"
-	"github.com/anyproto/any-sync/commonspace/spacestorage"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
-	"github.com/anyproto/any-sync/commonspace/syncstatus"
-	"github.com/anyproto/any-sync/net/peer"
-	"github.com/anyproto/any-sync/nodeconf"
-	"github.com/anyproto/any-sync/util/periodicsync"
+	"github.com/anytypeio/any-sync/app/ldiff"
+	"github.com/anytypeio/any-sync/commonspace/confconnector"
+	"github.com/anytypeio/any-sync/commonspace/object/treegetter"
+	"github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
+	"github.com/anytypeio/any-sync/commonspace/spacestorage"
+	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
+	"github.com/anytypeio/any-sync/commonspace/syncstatus"
+	"github.com/anytypeio/any-sync/util/periodicsync"
 	"go.uber.org/zap"
-	"golang.org/x/exp/slices"
 	"strings"
-	"sync/atomic"
 	"time"
 )
 
@@ -28,7 +22,7 @@ type TreeHeads struct {
 }
 
 type HeadSync interface {
-	Init(objectIds []string, deletionState settingsstate.ObjectDeletionState)
+	Init(objectIds []string, deletionState deletionstate.DeletionState)
 
 	UpdateHeads(id string, heads []string)
 	HandleRangeRequest(ctx context.Context, req *spacesyncproto.HeadSyncRequest) (resp *spacesyncproto.HeadSyncResponse, err error)
@@ -40,73 +34,49 @@ type HeadSync interface {
 }
 
 type headSync struct {
-	spaceId        string
-	periodicSync   periodicsync.PeriodicSync
-	storage        spacestorage.SpaceStorage
-	diff           ldiff.Diff
-	log            logger.CtxLogger
-	syncer         DiffSyncer
-	configuration  nodeconf.NodeConf
-	spaceIsDeleted *atomic.Bool
+	spaceId      string
+	periodicSync periodicsync.PeriodicSync
+	storage      spacestorage.SpaceStorage
+	diff         ldiff.Diff
+	log          *zap.Logger
+	syncer       DiffSyncer
 
 	syncPeriod int
 }
 
 func NewHeadSync(
 	spaceId string,
-	spaceIsDeleted *atomic.Bool,
 	syncPeriod int,
-	configuration nodeconf.NodeConf,
 	storage spacestorage.SpaceStorage,
-	peerManager peermanager.PeerManager,
-	cache treemanager.TreeManager,
+	confConnector confconnector.ConfConnector,
+	cache treegetter.TreeGetter,
 	syncStatus syncstatus.StatusUpdater,
-	credentialProvider credentialprovider.CredentialProvider,
-	log logger.CtxLogger) HeadSync {
+	log *zap.Logger) HeadSync {
 
 	diff := ldiff.New(16, 16)
 	l := log.With(zap.String("spaceId", spaceId))
 	factory := spacesyncproto.ClientFactoryFunc(spacesyncproto.NewDRPCSpaceSyncClient)
-	syncer := newDiffSyncer(spaceId, diff, peerManager, cache, storage, factory, syncStatus, credentialProvider, l)
-	sync := func(ctx context.Context) (err error) {
-		// for clients cancelling the sync process
-		if spaceIsDeleted.Load() && !configuration.IsResponsible(spaceId) {
-			return spacesyncproto.ErrSpaceIsDeleted
-		}
-		return syncer.Sync(ctx)
-	}
-	periodicSync := periodicsync.NewPeriodicSync(syncPeriod, time.Minute, sync, l)
+	syncer := newDiffSyncer(spaceId, diff, confConnector, cache, storage, factory, syncStatus, l)
+	periodicSync := periodicsync.NewPeriodicSync(syncPeriod, time.Minute, syncer.Sync, l)
 
 	return &headSync{
-		spaceId:        spaceId,
-		storage:        storage,
-		syncer:         syncer,
-		periodicSync:   periodicSync,
-		diff:           diff,
-		log:            log,
-		syncPeriod:     syncPeriod,
-		configuration:  configuration,
-		spaceIsDeleted: spaceIsDeleted,
+		spaceId:      spaceId,
+		storage:      storage,
+		syncer:       syncer,
+		periodicSync: periodicSync,
+		diff:         diff,
+		log:          log,
+		syncPeriod:   syncPeriod,
 	}
 }
 
-func (d *headSync) Init(objectIds []string, deletionState settingsstate.ObjectDeletionState) {
+func (d *headSync) Init(objectIds []string, deletionState deletionstate.DeletionState) {
 	d.fillDiff(objectIds)
 	d.syncer.Init(deletionState)
 	d.periodicSync.Run()
 }
 
 func (d *headSync) HandleRangeRequest(ctx context.Context, req *spacesyncproto.HeadSyncRequest) (resp *spacesyncproto.HeadSyncResponse, err error) {
-	if d.spaceIsDeleted.Load() {
-		peerId, err := peer.CtxPeerId(ctx)
-		if err != nil {
-			return nil, err
-		}
-		// stop receiving all request for sync from clients
-		if !slices.Contains(d.configuration.NodeIds(d.spaceId), peerId) {
-			return nil, spacesyncproto.ErrSpaceIsDeleted
-		}
-	}
 	return HandleRangeRequest(ctx, d.diff, req)
 }
 
@@ -136,7 +106,7 @@ func (d *headSync) RemoveObjects(ids []string) {
 
 func (d *headSync) Close() (err error) {
 	d.periodicSync.Close()
-	return d.syncer.Close()
+	return nil
 }
 
 func (d *headSync) fillDiff(objectIds []string) {

commonspace/headsync/headsync_test.go

@@ -1,14 +1,14 @@
 package headsync
 
 import (
-	"github.com/anyproto/any-sync/app/ldiff"
-	"github.com/anyproto/any-sync/app/ldiff/mock_ldiff"
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonspace/headsync/mock_headsync"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage/mock_treestorage"
-	"github.com/anyproto/any-sync/commonspace/settings/settingsstate/mock_settingsstate"
-	"github.com/anyproto/any-sync/commonspace/spacestorage/mock_spacestorage"
-	"github.com/anyproto/any-sync/util/periodicsync/mock_periodicsync"
+	"github.com/anytypeio/any-sync/app/ldiff"
+	"github.com/anytypeio/any-sync/app/ldiff/mock_ldiff"
+	"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/spacestorage/mock_spacestorage"
+	"github.com/anytypeio/any-sync/util/periodicsync/mock_periodicsync"
 	"github.com/golang/mock/gomock"
 	"testing"
 )
@@ -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_settingsstate.NewMockObjectDeletionState(ctrl)
+	delState := mock_deletionstate.NewMockDeletionState(ctrl)
 	syncPeriod := 1
 	initId := "initId"
 
@@ -65,7 +65,6 @@ func TestDiffService(t *testing.T) {
 
 	t.Run("close", func(t *testing.T) {
 		pSyncMock.EXPECT().Close()
-		syncer.EXPECT().Close()
 		service.Close()
 	})
 }

commonspace/headsync/mock_headsync/mock_headsync.go

@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anyproto/any-sync/commonspace/headsync (interfaces: DiffSyncer)
+// Source: github.com/anytypeio/any-sync/commonspace/headsync (interfaces: DiffSyncer)
 
 // Package mock_headsync is a generated GoMock package.
 package mock_headsync
@@ -8,7 +8,7 @@ import (
 	context "context"
 	reflect "reflect"
 
-	settingsstate "github.com/anyproto/any-sync/commonspace/settings/settingsstate"
+	deletionstate "github.com/anytypeio/any-sync/commonspace/settings/deletionstate"
 	gomock "github.com/golang/mock/gomock"
 )
 
@@ -35,22 +35,8 @@ func (m *MockDiffSyncer) EXPECT() *MockDiffSyncerMockRecorder {
 	return m.recorder
 }
 
-// Close mocks base method.
-func (m *MockDiffSyncer) Close() error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Close")
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// Close indicates an expected call of Close.
-func (mr *MockDiffSyncerMockRecorder) Close() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Close", reflect.TypeOf((*MockDiffSyncer)(nil).Close))
-}
-
 // Init mocks base method.
-func (m *MockDiffSyncer) Init(arg0 settingsstate.ObjectDeletionState) {
+func (m *MockDiffSyncer) Init(arg0 deletionstate.DeletionState) {
 	m.ctrl.T.Helper()
 	m.ctrl.Call(m, "Init", arg0)
 }

commonspace/headsync/remotediff.go

@@ -2,8 +2,8 @@ package headsync
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/app/ldiff"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
+	"github.com/anytypeio/any-sync/app/ldiff"
+	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 )
 
 type Client interface {

commonspace/headsync/remotediff_test.go

@@ -3,8 +3,8 @@ package headsync
 import (
 	"context"
 	"fmt"
-	"github.com/anyproto/any-sync/app/ldiff"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
+	"github.com/anytypeio/any-sync/app/ldiff"
+	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"testing"

commonspace/object/accountdata/accountdata.go

@@ -1,36 +1,14 @@
 package accountdata
 
 import (
-	"crypto/rand"
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/encryptionkey"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
 )
 
-type AccountKeys struct {
-	PeerKey crypto.PrivKey
-	SignKey crypto.PrivKey
-	PeerId  string
-}
-
-func New(peerKey, signKey crypto.PrivKey) *AccountKeys {
-	return &AccountKeys{
-		PeerKey: peerKey,
-		SignKey: signKey,
-		PeerId:  peerKey.GetPublic().PeerId(),
-	}
-}
-
-func NewRandom() (*AccountKeys, error) {
-	peerKey, _, err := crypto.GenerateEd25519Key(rand.Reader)
-	if err != nil {
-		return nil, err
-	}
-	signKey, _, err := crypto.GenerateEd25519Key(rand.Reader)
-	if err != nil {
-		return nil, err
-	}
-	return &AccountKeys{
-		PeerKey: peerKey,
-		SignKey: signKey,
-		PeerId:  peerKey.GetPublic().PeerId(),
-	}, nil
+type AccountData struct { // TODO: create a convenient constructor for this
+	Identity []byte // public key
+	PeerKey  signingkey.PrivKey
+	SignKey  signingkey.PrivKey
+	EncKey   encryptionkey.PrivKey
+	PeerId   string
 }

commonspace/object/acl/aclrecordproto/aclreadkeyderive.go

@@ -0,0 +1,12 @@
+package aclrecordproto
+
+import (
+	"github.com/anytypeio/any-sync/util/keys/symmetric"
+)
+
+func AclReadKeyDerive(signKey []byte, encKey []byte) (*symmetric.Key, error) {
+	concBuf := make([]byte, 0, len(signKey)+len(encKey))
+	concBuf = append(concBuf, signKey...)
+	concBuf = append(concBuf, encKey...)
+	return symmetric.DeriveFromBytes(concBuf)
+}

commonspace/object/acl/aclrecordproto/protos/aclrecord.proto

@@ -18,17 +18,18 @@ message AclRecord {
     string prevId = 1;
     bytes identity = 2;
     bytes data = 3;
-    string readKeyId = 4;
+    uint64 currentReadKeyHash = 4;
     int64 timestamp = 5;
 }
 
 message AclRoot {
     bytes identity = 1;
-    bytes masterKey = 2;
+    bytes encryptionKey = 2;
     string spaceId = 3;
     bytes encryptedReadKey = 4;
-    int64 timestamp = 5;
-    bytes identitySignature = 6;
+    string derivationScheme = 5;
+    uint64 currentReadKeyHash = 6;
+    int64 timestamp = 7;
 }
 
 message AclContentValue {
@@ -46,33 +47,37 @@ message AclData {
 }
 
 message AclState {
-    repeated string readKeyIds = 1;
+    repeated uint64 readKeyHashes = 1;
     repeated AclUserState userStates = 2;
     map<string, AclUserInvite> invites = 3;
 }
 
 message AclUserState {
     bytes identity = 1;
-    AclUserPermissions permissions = 2;
+    bytes encryptionKey = 2;
+    AclUserPermissions permissions = 3;
 }
 
 message AclUserAdd {
     bytes identity = 1;
-    repeated bytes encryptedReadKeys = 2;
-    AclUserPermissions permissions = 3;
+    bytes encryptionKey = 2;
+    repeated bytes encryptedReadKeys = 3;
+    AclUserPermissions permissions = 4;
 }
 
 message AclUserInvite {
     bytes acceptPublicKey = 1;
-    repeated bytes encryptedReadKeys = 2;
-    AclUserPermissions permissions = 3;
+    uint64 encryptSymKeyHash = 2;
+    repeated bytes encryptedReadKeys = 3;
+    AclUserPermissions permissions = 4;
 }
 
 message AclUserJoin {
     bytes identity = 1;
-    bytes acceptSignature = 2;
-    bytes acceptPubKey = 3;
-    repeated bytes encryptedReadKeys = 4;
+    bytes encryptionKey = 2;
+    bytes acceptSignature = 3;
+    bytes acceptPubKey = 4;
+    repeated bytes encryptedReadKeys = 5;
 }
 
 message AclUserRemove {
@@ -82,7 +87,8 @@ message AclUserRemove {
 
 message AclReadKeyReplace {
     bytes identity = 1;
-    bytes encryptedReadKey = 2;
+    bytes encryptionKey = 2;
+    bytes encryptedReadKey = 3;
 }
 
 message AclUserPermissionChange {
@@ -97,7 +103,7 @@ enum AclUserPermissions {
 }
 
 message AclSyncMessage {
-    AclSyncContentValue content = 1;
+    AclSyncContentValue content = 2;
 }
 
 // AclSyncContentValue provides different types for acl sync

commonspace/object/acl/list/aclrecordbuilder.go

@@ -1,63 +1,131 @@
 package list
 
 import (
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/util/cidutil"
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/keychain"
+	"github.com/anytypeio/any-sync/util/cidutil"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
+	"github.com/anytypeio/any-sync/util/keys/symmetric"
 	"github.com/gogo/protobuf/proto"
 	"time"
 )
 
-type RootContent struct {
-	PrivKey          crypto.PrivKey
-	MasterKey        crypto.PrivKey
-	SpaceId          string
-	EncryptedReadKey []byte
-}
-
+// remove interface
 type AclRecordBuilder interface {
-	Unmarshall(rawIdRecord *aclrecordproto.RawAclRecordWithId) (rec *AclRecord, err error)
-	BuildRoot(content RootContent) (rec *aclrecordproto.RawAclRecordWithId, err error)
+	ConvertFromRaw(rawIdRecord *aclrecordproto.RawAclRecordWithId) (rec *AclRecord, err error)
+	BuildUserJoin(acceptPrivKeyBytes []byte, encSymKeyBytes []byte, state *AclState) (rec *aclrecordproto.RawAclRecord, err error)
 }
 
 type aclRecordBuilder struct {
-	id         string
-	keyStorage crypto.KeyStorage
+	id       string
+	keychain *keychain.Keychain
 }
 
-func NewAclRecordBuilder(id string, keyStorage crypto.KeyStorage) AclRecordBuilder {
+func newAclRecordBuilder(id string, keychain *keychain.Keychain) AclRecordBuilder {
 	return &aclRecordBuilder{
-		id:         id,
-		keyStorage: keyStorage,
+		id:       id,
+		keychain: keychain,
 	}
 }
 
-func (a *aclRecordBuilder) Unmarshall(rawIdRecord *aclrecordproto.RawAclRecordWithId) (rec *AclRecord, err error) {
-	var (
-		rawRec = &aclrecordproto.RawAclRecord{}
-		pubKey crypto.PubKey
-	)
+func (a *aclRecordBuilder) BuildUserJoin(acceptPrivKeyBytes []byte, encSymKeyBytes []byte, state *AclState) (rec *aclrecordproto.RawAclRecord, err error) {
+	acceptPrivKey, err := signingkey.NewSigningEd25519PrivKeyFromBytes(acceptPrivKeyBytes)
+	if err != nil {
+		return
+	}
+	acceptPubKeyBytes, err := acceptPrivKey.GetPublic().Raw()
+	if err != nil {
+		return
+	}
+	encSymKey, err := symmetric.FromBytes(encSymKeyBytes)
+	if err != nil {
+		return
+	}
+
+	invite, err := state.Invite(acceptPubKeyBytes)
+	if err != nil {
+		return
+	}
+
+	encPrivKey, signPrivKey := state.UserKeys()
+	var symKeys [][]byte
+	for _, rk := range invite.EncryptedReadKeys {
+		dec, err := encSymKey.Decrypt(rk)
+		if err != nil {
+			return nil, err
+		}
+		newEnc, err := encPrivKey.GetPublic().Encrypt(dec)
+		if err != nil {
+			return nil, err
+		}
+		symKeys = append(symKeys, newEnc)
+	}
+	idSignature, err := acceptPrivKey.Sign(state.Identity())
+	if err != nil {
+		return
+	}
+	encPubKeyBytes, err := encPrivKey.GetPublic().Raw()
+	if err != nil {
+		return
+	}
+
+	userJoin := &aclrecordproto.AclUserJoin{
+		Identity:          state.Identity(),
+		EncryptionKey:     encPubKeyBytes,
+		AcceptSignature:   idSignature,
+		AcceptPubKey:      acceptPubKeyBytes,
+		EncryptedReadKeys: symKeys,
+	}
+	aclData := &aclrecordproto.AclData{AclContent: []*aclrecordproto.AclContentValue{
+		{Value: &aclrecordproto.AclContentValue_UserJoin{UserJoin: userJoin}},
+	}}
+	marshalledJoin, err := aclData.Marshal()
+	if err != nil {
+		return
+	}
+	aclRecord := &aclrecordproto.AclRecord{
+		PrevId:             state.LastRecordId(),
+		Identity:           state.Identity(),
+		Data:               marshalledJoin,
+		CurrentReadKeyHash: state.CurrentReadKeyHash(),
+		Timestamp:          time.Now().UnixNano(),
+	}
+	marshalledRecord, err := aclRecord.Marshal()
+	if err != nil {
+		return
+	}
+	recSignature, err := signPrivKey.Sign(marshalledRecord)
+	if err != nil {
+		return
+	}
+	rec = &aclrecordproto.RawAclRecord{
+		Payload:   marshalledRecord,
+		Signature: recSignature,
+	}
+	return
+}
+
+func (a *aclRecordBuilder) ConvertFromRaw(rawIdRecord *aclrecordproto.RawAclRecordWithId) (rec *AclRecord, err error) {
+	rawRec := &aclrecordproto.RawAclRecord{}
 	err = proto.Unmarshal(rawIdRecord.Payload, rawRec)
 	if err != nil {
 		return
 	}
+
 	if rawIdRecord.Id == a.id {
 		aclRoot := &aclrecordproto.AclRoot{}
 		err = proto.Unmarshal(rawRec.Payload, aclRoot)
 		if err != nil {
 			return
 		}
-		pubKey, err = a.keyStorage.PubKeyFromProto(aclRoot.Identity)
-		if err != nil {
-			return
-		}
+
 		rec = &AclRecord{
-			Id:        rawIdRecord.Id,
-			ReadKeyId: rawIdRecord.Id,
-			Timestamp: aclRoot.Timestamp,
-			Signature: rawRec.Signature,
-			Identity:  pubKey,
-			Model:     aclRoot,
+			Id:                 rawIdRecord.Id,
+			CurrentReadKeyHash: aclRoot.CurrentReadKeyHash,
+			Timestamp:          aclRoot.Timestamp,
+			Signature:          rawRec.Signature,
+			Identity:           aclRoot.Identity,
+			Model:              aclRoot,
 		}
 	} else {
 		aclRecord := &aclrecordproto.AclRecord{}
@@ -65,63 +133,34 @@ func (a *aclRecordBuilder) Unmarshall(rawIdRecord *aclrecordproto.RawAclRecordWi
 		if err != nil {
 			return
 		}
-		pubKey, err = a.keyStorage.PubKeyFromProto(aclRecord.Identity)
-		if err != nil {
-			return
-		}
+
 		rec = &AclRecord{
-			Id:        rawIdRecord.Id,
-			PrevId:    aclRecord.PrevId,
-			ReadKeyId: aclRecord.ReadKeyId,
-			Timestamp: aclRecord.Timestamp,
-			Data:      aclRecord.Data,
-			Signature: rawRec.Signature,
-			Identity:  pubKey,
+			Id:                 rawIdRecord.Id,
+			PrevId:             aclRecord.PrevId,
+			CurrentReadKeyHash: aclRecord.CurrentReadKeyHash,
+			Timestamp:          aclRecord.Timestamp,
+			Data:               aclRecord.Data,
+			Signature:          rawRec.Signature,
+			Identity:           aclRecord.Identity,
 		}
 	}
 
-	err = verifyRaw(pubKey, rawRec, rawIdRecord)
+	err = verifyRaw(a.keychain, rawRec, rawIdRecord, rec.Identity)
 	return
 }
 
-func (a *aclRecordBuilder) BuildRoot(content RootContent) (rec *aclrecordproto.RawAclRecordWithId, err error) {
-	rawIdentity, err := content.PrivKey.GetPublic().Raw()
-	if err != nil {
-		return
-	}
-	identity, err := content.PrivKey.GetPublic().Marshall()
-	if err != nil {
-		return
-	}
-	masterKey, err := content.MasterKey.GetPublic().Marshall()
-	if err != nil {
-		return
-	}
-	identitySignature, err := content.MasterKey.Sign(rawIdentity)
-	if err != nil {
-		return
-	}
-	var timestamp int64
-	if content.EncryptedReadKey != nil {
-		timestamp = time.Now().Unix()
-	}
-	aclRoot := &aclrecordproto.AclRoot{
-		Identity:          identity,
-		SpaceId:           content.SpaceId,
-		EncryptedReadKey:  content.EncryptedReadKey,
-		MasterKey:         masterKey,
-		IdentitySignature: identitySignature,
-		Timestamp:         timestamp,
-	}
-	return marshalAclRoot(aclRoot, content.PrivKey)
-}
-
 func verifyRaw(
-	pubKey crypto.PubKey,
+	keychain *keychain.Keychain,
 	rawRec *aclrecordproto.RawAclRecord,
-	recWithId *aclrecordproto.RawAclRecordWithId) (err error) {
+	recWithId *aclrecordproto.RawAclRecordWithId,
+	identity []byte) (err error) {
+	identityKey, err := keychain.GetOrAdd(string(identity))
+	if err != nil {
+		return
+	}
+
 	// verifying signature
-	res, err := pubKey.Verify(rawRec.Payload, rawRec.Signature)
+	res, err := identityKey.Verify(rawRec.Payload, rawRec.Signature)
 	if err != nil {
 		return
 	}
@@ -136,31 +175,3 @@ func verifyRaw(
 	}
 	return
 }
-
-func marshalAclRoot(aclRoot *aclrecordproto.AclRoot, key crypto.PrivKey) (rawWithId *aclrecordproto.RawAclRecordWithId, err error) {
-	marshalledRoot, err := aclRoot.Marshal()
-	if err != nil {
-		return
-	}
-	signature, err := key.Sign(marshalledRoot)
-	if err != nil {
-		return
-	}
-	raw := &aclrecordproto.RawAclRecord{
-		Payload:   marshalledRoot,
-		Signature: signature,
-	}
-	marshalledRaw, err := raw.Marshal()
-	if err != nil {
-		return
-	}
-	aclHeadId, err := cidutil.NewCidFromBytes(marshalledRaw)
-	if err != nil {
-		return
-	}
-	rawWithId = &aclrecordproto.RawAclRecordWithId{
-		Payload: marshalledRaw,
-		Id:      aclHeadId,
-	}
-	return
-}

commonspace/object/acl/list/aclrecordbuilder_test.go

@@ -1,9 +1,50 @@
 package list
 
 import (
+	"github.com/anytypeio/any-sync/commonspace/object/accountdata"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	acllistbuilder2 "github.com/anytypeio/any-sync/commonspace/object/acl/testutils/acllistbuilder"
+	"github.com/anytypeio/any-sync/commonspace/object/keychain"
+	"github.com/anytypeio/any-sync/util/cidutil"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
+	"github.com/stretchr/testify/require"
 	"testing"
 )
 
 func TestAclRecordBuilder_BuildUserJoin(t *testing.T) {
-	return
+	st, err := acllistbuilder2.NewListStorageWithTestName("userjoinexample.yml")
+	require.NoError(t, err, "building storage should not result in error")
+
+	testKeychain := st.(*acllistbuilder2.AclListStorageBuilder).GetKeychain()
+	identity := testKeychain.GeneratedIdentities["D"]
+	signPrivKey := testKeychain.SigningKeysByYAMLName["D"]
+	encPrivKey := testKeychain.EncryptionKeysByYAMLName["D"]
+	acc := &accountdata.AccountData{
+		Identity: []byte(identity),
+		SignKey:  signPrivKey,
+		EncKey:   encPrivKey,
+	}
+
+	aclList, err := BuildAclListWithIdentity(acc, st)
+	require.NoError(t, err, "building acl list should be without error")
+	recordBuilder := newAclRecordBuilder(aclList.Id(), keychain.NewKeychain())
+	rk, err := testKeychain.GetKey("key.Read.EncKey").(*acllistbuilder2.SymKey).Key.Raw()
+	require.NoError(t, err)
+	privKey, err := testKeychain.GetKey("key.Sign.Onetime1").(signingkey.PrivKey).Raw()
+	require.NoError(t, err)
+
+	userJoin, err := recordBuilder.BuildUserJoin(privKey, rk, aclList.AclState())
+	require.NoError(t, err)
+	marshalledJoin, err := userJoin.Marshal()
+	require.NoError(t, err)
+	id, err := cidutil.NewCidFromBytes(marshalledJoin)
+	require.NoError(t, err)
+	rawRec := &aclrecordproto.RawAclRecordWithId{
+		Payload: marshalledJoin,
+		Id:      id,
+	}
+	res, err := aclList.AddRawRecord(rawRec)
+	require.True(t, res)
+	require.NoError(t, err)
+	require.Equal(t, aclrecordproto.AclUserPermissions_Writer, aclList.AclState().UserStates()[identity].Permissions)
 }

commonspace/object/acl/list/aclstate.go

@@ -1,16 +1,22 @@
 package list
 
 import (
+	"bytes"
 	"errors"
 	"fmt"
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/app/logger"
+	aclrecordproto2 "github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/keychain"
+	"github.com/anytypeio/any-sync/util/keys"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/encryptionkey"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
+	"github.com/anytypeio/any-sync/util/keys/symmetric"
 	"github.com/gogo/protobuf/proto"
 	"go.uber.org/zap"
+	"hash/fnv"
 )
 
-var log = logger.NewNamedSugared("common.commonspace.acllist")
+var log = logger.NewNamed("acllist").Sugar()
 
 var (
 	ErrNoSuchUser              = errors.New("no such user")
@@ -29,75 +35,86 @@ var (
 )
 
 type UserPermissionPair struct {
-	Identity   crypto.PubKey
-	Permission aclrecordproto.AclUserPermissions
+	Identity   string
+	Permission aclrecordproto2.AclUserPermissions
 }
 
 type AclState struct {
-	id               string
-	currentReadKeyId string
-	userReadKeys     map[string]crypto.SymKey
-	userStates       map[string]AclUserState
-	statesAtRecord   map[string][]AclUserState
-	key              crypto.PrivKey
-	pubKey           crypto.PubKey
-	keyStore         crypto.KeyStorage
-	totalReadKeys    int
+	id                 string
+	currentReadKeyHash uint64
+	userReadKeys       map[uint64]*symmetric.Key
+	userStates         map[string]*aclrecordproto2.AclUserState
+	userInvites        map[string]*aclrecordproto2.AclUserInvite
+	encryptionKey      encryptionkey.PrivKey
+	signingKey         signingkey.PrivKey
+	totalReadKeys      int
 
-	lastRecordId string
+	identity            string
+	permissionsAtRecord map[string][]UserPermissionPair
+	lastRecordId        string
+
+	keychain *keychain.Keychain
 }
 
 func newAclStateWithKeys(
 	id string,
-	key crypto.PrivKey) (*AclState, error) {
+	signingKey signingkey.PrivKey,
+	encryptionKey encryptionkey.PrivKey) (*AclState, error) {
+	identity, err := signingKey.GetPublic().Raw()
+	if err != nil {
+		return nil, err
+	}
 	return &AclState{
-		id:             id,
-		key:            key,
-		pubKey:         key.GetPublic(),
-		userReadKeys:   make(map[string]crypto.SymKey),
-		userStates:     make(map[string]AclUserState),
-		statesAtRecord: make(map[string][]AclUserState),
+		id:                  id,
+		identity:            string(identity),
+		signingKey:          signingKey,
+		encryptionKey:       encryptionKey,
+		userReadKeys:        make(map[uint64]*symmetric.Key),
+		userStates:          make(map[string]*aclrecordproto2.AclUserState),
+		userInvites:         make(map[string]*aclrecordproto2.AclUserInvite),
+		permissionsAtRecord: make(map[string][]UserPermissionPair),
 	}, nil
 }
 
 func newAclState(id string) *AclState {
 	return &AclState{
-		id:             id,
-		userReadKeys:   make(map[string]crypto.SymKey),
-		userStates:     make(map[string]AclUserState),
-		statesAtRecord: make(map[string][]AclUserState),
+		id:                  id,
+		userReadKeys:        make(map[uint64]*symmetric.Key),
+		userStates:          make(map[string]*aclrecordproto2.AclUserState),
+		userInvites:         make(map[string]*aclrecordproto2.AclUserInvite),
+		permissionsAtRecord: make(map[string][]UserPermissionPair),
 	}
 }
 
-func (st *AclState) CurrentReadKeyId() string {
-	return st.currentReadKeyId
+func (st *AclState) CurrentReadKeyHash() uint64 {
+	return st.currentReadKeyHash
 }
 
-func (st *AclState) CurrentReadKey() (crypto.SymKey, error) {
-	key, exists := st.userReadKeys[st.currentReadKeyId]
+func (st *AclState) CurrentReadKey() (*symmetric.Key, error) {
+	key, exists := st.userReadKeys[st.currentReadKeyHash]
 	if !exists {
 		return nil, ErrNoReadKey
 	}
 	return key, nil
 }
 
-func (st *AclState) UserReadKeys() map[string]crypto.SymKey {
+func (st *AclState) UserReadKeys() map[uint64]*symmetric.Key {
 	return st.userReadKeys
 }
 
-func (st *AclState) StateAtRecord(id string, pubKey crypto.PubKey) (AclUserState, error) {
-	userState, ok := st.statesAtRecord[id]
+func (st *AclState) PermissionsAtRecord(id string, identity string) (UserPermissionPair, error) {
+	permissions, ok := st.permissionsAtRecord[id]
 	if !ok {
 		log.Errorf("missing record at id %s", id)
-		return AclUserState{}, ErrNoSuchRecord
+		return UserPermissionPair{}, ErrNoSuchRecord
 	}
 
-	for _, perm := range userState {
-		if perm.PubKey.Equals(pubKey) {
+	for _, perm := range permissions {
+		if perm.Identity == identity {
 			return perm, nil
 		}
 	}
-	return AclUserState{}, ErrNoSuchUser
+	return UserPermissionPair{}, ErrNoSuchUser
 }
 
 func (st *AclState) applyRecord(record *AclRecord) (err error) {
@@ -111,18 +128,24 @@ func (st *AclState) applyRecord(record *AclRecord) (err error) {
 		return
 	}
 	if record.Id == st.id {
-		err = st.applyRoot(record)
+		root, ok := record.Model.(*aclrecordproto2.AclRoot)
+		if !ok {
+			return ErrIncorrectRoot
+		}
+		err = st.applyRoot(root)
 		if err != nil {
 			return
 		}
-		st.statesAtRecord[record.Id] = []AclUserState{
-			{PubKey: record.Identity, Permissions: aclrecordproto.AclUserPermissions_Admin},
+		st.permissionsAtRecord[record.Id] = []UserPermissionPair{
+			{Identity: string(root.Identity), Permission: aclrecordproto2.AclUserPermissions_Admin},
 		}
 		return
 	}
+	aclData := &aclrecordproto2.AclData{}
 
-	if record.Model == nil {
-		aclData := &aclrecordproto.AclData{}
+	if record.Model != nil {
+		aclData = record.Model.(*aclrecordproto2.AclData)
+	} else {
 		err = proto.Unmarshal(record.Data, aclData)
 		if err != nil {
 			return
@@ -130,90 +153,109 @@ func (st *AclState) applyRecord(record *AclRecord) (err error) {
 		record.Model = aclData
 	}
 
-	err = st.applyChangeData(record)
+	err = st.applyChangeData(aclData, record.CurrentReadKeyHash, record.Identity)
 	if err != nil {
 		return
 	}
 
-	// getting all states for users at record
-	var states []AclUserState
+	// getting all permissions for users at record
+	var permissions []UserPermissionPair
 	for _, state := range st.userStates {
-		states = append(states, state)
+		permission := UserPermissionPair{
+			Identity:   string(state.Identity),
+			Permission: state.Permissions,
+		}
+		permissions = append(permissions, permission)
 	}
 
-	st.statesAtRecord[record.Id] = states
+	st.permissionsAtRecord[record.Id] = permissions
 	return
 }
 
-func (st *AclState) applyRoot(record *AclRecord) (err error) {
-	if st.key != nil && st.pubKey.Equals(record.Identity) {
-		err = st.saveReadKeyFromRoot(record)
+func (st *AclState) applyRoot(root *aclrecordproto2.AclRoot) (err error) {
+	if st.signingKey != nil && st.encryptionKey != nil && st.identity == string(root.Identity) {
+		err = st.saveReadKeyFromRoot(root)
 		if err != nil {
 			return
 		}
 	}
 
 	// adding user to the list
-	userState := AclUserState{
-		PubKey:      record.Identity,
-		Permissions: aclrecordproto.AclUserPermissions_Admin,
+	userState := &aclrecordproto2.AclUserState{
+		Identity:      root.Identity,
+		EncryptionKey: root.EncryptionKey,
+		Permissions:   aclrecordproto2.AclUserPermissions_Admin,
 	}
-	st.currentReadKeyId = record.ReadKeyId
-	st.userStates[mapKeyFromPubKey(record.Identity)] = userState
+	st.currentReadKeyHash = root.CurrentReadKeyHash
+	st.userStates[string(root.Identity)] = userState
 	st.totalReadKeys++
 	return
 }
 
-func (st *AclState) saveReadKeyFromRoot(record *AclRecord) (err error) {
-	var readKey crypto.SymKey
-	root, ok := record.Model.(*aclrecordproto.AclRoot)
-	if !ok {
-		return ErrIncorrectRoot
-	}
-	if root.EncryptedReadKey == nil {
-		readKey, err = st.deriveKey()
+func (st *AclState) saveReadKeyFromRoot(root *aclrecordproto2.AclRoot) (err error) {
+	var readKey *symmetric.Key
+	if len(root.GetDerivationScheme()) != 0 {
+		var encPrivKey []byte
+		encPrivKey, err = st.encryptionKey.Raw()
+		if err != nil {
+			return
+		}
+		var signPrivKey []byte
+		signPrivKey, err = st.signingKey.Raw()
+		if err != nil {
+			return
+		}
+
+		readKey, err = aclrecordproto2.AclReadKeyDerive(signPrivKey, encPrivKey)
 		if err != nil {
 			return
 		}
 	} else {
-		readKey, err = st.decryptReadKey(root.EncryptedReadKey)
+		readKey, _, err = st.decryptReadKeyAndHash(root.EncryptedReadKey)
 		if err != nil {
 			return
 		}
 	}
 
-	st.userReadKeys[record.Id] = readKey
+	hasher := fnv.New64()
+	_, err = hasher.Write(readKey.Bytes())
+	if err != nil {
+		return
+	}
+	if hasher.Sum64() != root.CurrentReadKeyHash {
+		return ErrIncorrectRoot
+	}
+	st.userReadKeys[root.CurrentReadKeyHash] = readKey
+
 	return
 }
 
-func (st *AclState) applyChangeData(record *AclRecord) (err error) {
+func (st *AclState) applyChangeData(changeData *aclrecordproto2.AclData, hash uint64, identity []byte) (err error) {
 	defer func() {
 		if err != nil {
 			return
 		}
-		if record.ReadKeyId != st.currentReadKeyId {
+		if hash != st.currentReadKeyHash {
 			st.totalReadKeys++
-			st.currentReadKeyId = record.ReadKeyId
+			st.currentReadKeyHash = hash
 		}
 	}()
-	model := record.Model.(*aclrecordproto.AclData)
-	if !st.isUserJoin(model) {
+
+	if !st.isUserJoin(changeData) {
 		// we check signature when we add this to the List, so no need to do it here
-		if _, exists := st.userStates[mapKeyFromPubKey(record.Identity)]; !exists {
+		if _, exists := st.userStates[string(identity)]; !exists {
 			err = ErrNoSuchUser
 			return
 		}
 
-		// only Admins can do non-user join changes
-		if !st.HasPermission(record.Identity, aclrecordproto.AclUserPermissions_Admin) {
-			// TODO: add string encoding
-			err = fmt.Errorf("user %s must have admin permissions", record.Identity.Account())
+		if !st.HasPermission(identity, aclrecordproto2.AclUserPermissions_Admin) {
+			err = fmt.Errorf("user %s must have admin permissions", identity)
 			return
 		}
 	}
 
-	for _, ch := range model.GetAclContent() {
-		if err = st.applyChangeContent(ch, record.Id); err != nil {
+	for _, ch := range changeData.GetAclContent() {
+		if err = st.applyChangeContent(ch); err != nil {
 			log.Info("error while applying changes: %v; ignore", zap.Error(err))
 			return err
 		}
@@ -222,29 +264,26 @@ func (st *AclState) applyChangeData(record *AclRecord) (err error) {
 	return nil
 }
 
-func (st *AclState) applyChangeContent(ch *aclrecordproto.AclContentValue, recordId string) error {
+func (st *AclState) applyChangeContent(ch *aclrecordproto2.AclContentValue) error {
 	switch {
 	case ch.GetUserPermissionChange() != nil:
-		return st.applyUserPermissionChange(ch.GetUserPermissionChange(), recordId)
+		return st.applyUserPermissionChange(ch.GetUserPermissionChange())
 	case ch.GetUserAdd() != nil:
-		return st.applyUserAdd(ch.GetUserAdd(), recordId)
+		return st.applyUserAdd(ch.GetUserAdd())
 	case ch.GetUserRemove() != nil:
-		return st.applyUserRemove(ch.GetUserRemove(), recordId)
+		return st.applyUserRemove(ch.GetUserRemove())
 	case ch.GetUserInvite() != nil:
-		return st.applyUserInvite(ch.GetUserInvite(), recordId)
+		return st.applyUserInvite(ch.GetUserInvite())
 	case ch.GetUserJoin() != nil:
-		return st.applyUserJoin(ch.GetUserJoin(), recordId)
+		return st.applyUserJoin(ch.GetUserJoin())
 	default:
 		return fmt.Errorf("unexpected change type: %v", ch)
 	}
 }
 
-func (st *AclState) applyUserPermissionChange(ch *aclrecordproto.AclUserPermissionChange, recordId string) error {
-	chIdentity, err := st.keyStore.PubKeyFromProto(ch.Identity)
-	if err != nil {
-		return err
-	}
-	state, exists := st.userStates[mapKeyFromPubKey(chIdentity)]
+func (st *AclState) applyUserPermissionChange(ch *aclrecordproto2.AclUserPermissionChange) error {
+	chIdentity := string(ch.Identity)
+	state, exists := st.userStates[chIdentity]
 	if !exists {
 		return ErrNoSuchUser
 	}
@@ -253,38 +292,131 @@ func (st *AclState) applyUserPermissionChange(ch *aclrecordproto.AclUserPermissi
 	return nil
 }
 
-func (st *AclState) applyUserInvite(ch *aclrecordproto.AclUserInvite, recordId string) error {
-	// TODO: check old code and bring it back :-)
+func (st *AclState) applyUserInvite(ch *aclrecordproto2.AclUserInvite) error {
+	st.userInvites[string(ch.AcceptPublicKey)] = ch
 	return nil
 }
 
-func (st *AclState) applyUserJoin(ch *aclrecordproto.AclUserJoin, recordId string) error {
-	return nil
-}
+func (st *AclState) applyUserJoin(ch *aclrecordproto2.AclUserJoin) error {
+	invite, exists := st.userInvites[string(ch.AcceptPubKey)]
+	if !exists {
+		return fmt.Errorf("no such invite with such public key %s", keys.EncodeBytesToString(ch.AcceptPubKey))
+	}
+	chIdentity := string(ch.Identity)
 
-func (st *AclState) applyUserAdd(ch *aclrecordproto.AclUserAdd, recordId string) error {
-	return nil
-}
-
-func (st *AclState) applyUserRemove(ch *aclrecordproto.AclUserRemove, recordId string) error {
-	return nil
-}
-
-func (st *AclState) decryptReadKey(msg []byte) (crypto.SymKey, error) {
-	decrypted, err := st.key.Decrypt(msg)
-	if err != nil {
-		return nil, ErrFailedToDecrypt
+	if _, exists = st.userStates[chIdentity]; exists {
+		return ErrUserAlreadyExists
 	}
 
-	key, err := crypto.UnmarshallAESKey(decrypted)
+	// validating signature
+	signature := ch.GetAcceptSignature()
+	verificationKey, err := signingkey.NewSigningEd25519PubKeyFromBytes(invite.AcceptPublicKey)
 	if err != nil {
-		return nil, ErrFailedToDecrypt
+		return fmt.Errorf("public key verifying invite accepts is given in incorrect format: %v", err)
 	}
-	return key, nil
+
+	res, err := verificationKey.Verify(ch.Identity, signature)
+	if err != nil {
+		return fmt.Errorf("verification returned error: %w", err)
+	}
+	if !res {
+		return ErrInvalidSignature
+	}
+
+	// if ourselves -> we need to decrypt the read keys
+	if st.identity == chIdentity {
+		for _, key := range ch.EncryptedReadKeys {
+			key, hash, err := st.decryptReadKeyAndHash(key)
+			if err != nil {
+				return ErrFailedToDecrypt
+			}
+
+			st.userReadKeys[hash] = key
+		}
+	}
+
+	// adding user to the list
+	userState := &aclrecordproto2.AclUserState{
+		Identity:      ch.Identity,
+		EncryptionKey: ch.EncryptionKey,
+		Permissions:   invite.Permissions,
+	}
+	st.userStates[chIdentity] = userState
+	return nil
 }
 
-func (st *AclState) HasPermission(identity crypto.PubKey, permission aclrecordproto.AclUserPermissions) bool {
-	state, exists := st.userStates[mapKeyFromPubKey(identity)]
+func (st *AclState) applyUserAdd(ch *aclrecordproto2.AclUserAdd) error {
+	chIdentity := string(ch.Identity)
+	if _, exists := st.userStates[chIdentity]; exists {
+		return ErrUserAlreadyExists
+	}
+
+	st.userStates[chIdentity] = &aclrecordproto2.AclUserState{
+		Identity:      ch.Identity,
+		EncryptionKey: ch.EncryptionKey,
+		Permissions:   ch.Permissions,
+	}
+
+	if chIdentity == st.identity {
+		for _, key := range ch.EncryptedReadKeys {
+			key, hash, err := st.decryptReadKeyAndHash(key)
+			if err != nil {
+				return ErrFailedToDecrypt
+			}
+
+			st.userReadKeys[hash] = key
+		}
+	}
+
+	return nil
+}
+
+func (st *AclState) applyUserRemove(ch *aclrecordproto2.AclUserRemove) error {
+	chIdentity := string(ch.Identity)
+	if chIdentity == st.identity {
+		return ErrDocumentForbidden
+	}
+
+	if _, exists := st.userStates[chIdentity]; !exists {
+		return ErrNoSuchUser
+	}
+
+	delete(st.userStates, chIdentity)
+
+	for _, replace := range ch.ReadKeyReplaces {
+		repIdentity := string(replace.Identity)
+		// if this is our identity then we have to decrypt the key
+		if repIdentity == st.identity {
+			key, hash, err := st.decryptReadKeyAndHash(replace.EncryptedReadKey)
+			if err != nil {
+				return ErrFailedToDecrypt
+			}
+
+			st.userReadKeys[hash] = key
+			break
+		}
+	}
+	return nil
+}
+
+func (st *AclState) decryptReadKeyAndHash(msg []byte) (*symmetric.Key, uint64, error) {
+	decrypted, err := st.encryptionKey.Decrypt(msg)
+	if err != nil {
+		return nil, 0, ErrFailedToDecrypt
+	}
+
+	key, err := symmetric.FromBytes(decrypted)
+	if err != nil {
+		return nil, 0, ErrFailedToDecrypt
+	}
+
+	hasher := fnv.New64()
+	hasher.Write(decrypted)
+	return key, hasher.Sum64(), nil
+}
+
+func (st *AclState) HasPermission(identity []byte, permission aclrecordproto2.AclUserPermissions) bool {
+	state, exists := st.userStates[string(identity)]
 	if !exists {
 		return false
 	}
@@ -292,35 +424,41 @@ func (st *AclState) HasPermission(identity crypto.PubKey, permission aclrecordpr
 	return state.Permissions == permission
 }
 
-func (st *AclState) isUserJoin(data *aclrecordproto.AclData) bool {
+func (st *AclState) isUserJoin(data *aclrecordproto2.AclData) bool {
 	// if we have a UserJoin, then it should always be the first one applied
 	return data.GetAclContent() != nil && data.GetAclContent()[0].GetUserJoin() != nil
 }
 
-func (st *AclState) isUserAdd(data *aclrecordproto.AclData, identity []byte) bool {
-	return false
+func (st *AclState) isUserAdd(data *aclrecordproto2.AclData, identity []byte) bool {
+	// if we have a UserAdd, then it should always be the first one applied
+	userAdd := data.GetAclContent()[0].GetUserAdd()
+	return data.GetAclContent() != nil && userAdd != nil && bytes.Compare(userAdd.GetIdentity(), identity) == 0
 }
 
-func (st *AclState) UserStates() map[string]AclUserState {
+func (st *AclState) UserStates() map[string]*aclrecordproto2.AclUserState {
 	return st.userStates
 }
 
-func (st *AclState) Invite(acceptPubKey []byte) (invite *aclrecordproto.AclUserInvite, err error) {
+func (st *AclState) Invite(acceptPubKey []byte) (invite *aclrecordproto2.AclUserInvite, err error) {
+	invite, exists := st.userInvites[string(acceptPubKey)]
+	if !exists {
+		err = ErrNoSuchInvite
+		return
+	}
+	if len(invite.EncryptedReadKeys) != st.totalReadKeys {
+		err = ErrOldInvite
+	}
 	return
 }
 
+func (st *AclState) UserKeys() (encKey encryptionkey.PrivKey, signKey signingkey.PrivKey) {
+	return st.encryptionKey, st.signingKey
+}
+
+func (st *AclState) Identity() []byte {
+	return []byte(st.identity)
+}
+
 func (st *AclState) LastRecordId() string {
 	return st.lastRecordId
 }
-
-func (st *AclState) deriveKey() (crypto.SymKey, error) {
-	keyBytes, err := st.key.Raw()
-	if err != nil {
-		return nil, err
-	}
-	return crypto.DeriveSymmetricKey(keyBytes, crypto.AnysyncSpacePath)
-}
-
-func mapKeyFromPubKey(pubKey crypto.PubKey) string {
-	return string(pubKey.Storage())
-}

commonspace/object/acl/list/aclstatebuilder.go

@@ -1,18 +1,21 @@
 package list
 
 import (
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/commonspace/object/accountdata"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/encryptionkey"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
 )
 
 type aclStateBuilder struct {
-	privKey crypto.PrivKey
-	id      string
+	signPrivKey signingkey.PrivKey
+	encPrivKey  encryptionkey.PrivKey
+	id          string
 }
 
-func newAclStateBuilderWithIdentity(keys *accountdata.AccountKeys) *aclStateBuilder {
+func newAclStateBuilderWithIdentity(accountData *accountdata.AccountData) *aclStateBuilder {
 	return &aclStateBuilder{
-		privKey: keys.SignKey,
+		signPrivKey: accountData.SignKey,
+		encPrivKey:  accountData.EncKey,
 	}
 }
 
@@ -25,8 +28,8 @@ func (sb *aclStateBuilder) Init(id string) {
 }
 
 func (sb *aclStateBuilder) Build(records []*AclRecord) (state *AclState, err error) {
-	if sb.privKey != nil {
-		state, err = newAclStateWithKeys(sb.id, sb.privKey)
+	if sb.encPrivKey != nil && sb.signPrivKey != nil {
+		state, err = newAclStateWithKeys(sb.id, sb.signPrivKey, sb.encPrivKey)
 		if err != nil {
 			return
 		}

commonspace/object/acl/list/list.go

@@ -1,14 +1,14 @@
-//go:generate mockgen -destination mock_list/mock_list.go github.com/anyproto/any-sync/commonspace/object/acl/list AclList
+//go:generate mockgen -destination mock_list/mock_list.go github.com/anytypeio/any-sync/commonspace/object/acl/list AclList
 package list
 
 import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/commonspace/object/acl/liststorage"
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/commonspace/object/accountdata"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/liststorage"
+	"github.com/anytypeio/any-sync/commonspace/object/keychain"
 	"sync"
 )
 
@@ -33,7 +33,6 @@ type AclList interface {
 	Get(id string) (*AclRecord, error)
 	Iterate(iterFunc IterFunc)
 	IterateFrom(startId string, iterFunc IterFunc)
-	KeyStorage() crypto.KeyStorage
 
 	AddRawRecord(rawRec *aclrecordproto.RawAclRecordWithId) (added bool, err error)
 
@@ -48,25 +47,23 @@ type aclList struct {
 
 	stateBuilder  *aclStateBuilder
 	recordBuilder AclRecordBuilder
-	keyStorage    crypto.KeyStorage
 	aclState      *AclState
+	keychain      *keychain.Keychain
 	storage       liststorage.ListStorage
 
 	sync.RWMutex
 }
 
-func BuildAclListWithIdentity(acc *accountdata.AccountKeys, storage liststorage.ListStorage) (AclList, error) {
+func BuildAclListWithIdentity(acc *accountdata.AccountData, storage liststorage.ListStorage) (AclList, error) {
 	builder := newAclStateBuilderWithIdentity(acc)
-	keyStorage := crypto.NewKeyStorage()
-	return build(storage.Id(), keyStorage, builder, NewAclRecordBuilder(storage.Id(), keyStorage), storage)
+	return build(storage.Id(), builder, newAclRecordBuilder(storage.Id(), keychain.NewKeychain()), storage)
 }
 
 func BuildAclList(storage liststorage.ListStorage) (AclList, error) {
-	keyStorage := crypto.NewKeyStorage()
-	return build(storage.Id(), keyStorage, newAclStateBuilder(), NewAclRecordBuilder(storage.Id(), crypto.NewKeyStorage()), storage)
+	return build(storage.Id(), newAclStateBuilder(), newAclRecordBuilder(storage.Id(), keychain.NewKeychain()), storage)
 }
 
-func build(id string, keyStorage crypto.KeyStorage, stateBuilder *aclStateBuilder, recBuilder AclRecordBuilder, storage liststorage.ListStorage) (list AclList, err error) {
+func build(id string, stateBuilder *aclStateBuilder, recBuilder AclRecordBuilder, storage liststorage.ListStorage) (list AclList, err error) {
 	head, err := storage.Head()
 	if err != nil {
 		return
@@ -77,7 +74,7 @@ func build(id string, keyStorage crypto.KeyStorage, stateBuilder *aclStateBuilde
 		return
 	}
 
-	record, err := recBuilder.Unmarshall(rawRecordWithId)
+	record, err := recBuilder.ConvertFromRaw(rawRecordWithId)
 	if err != nil {
 		return
 	}
@@ -89,7 +86,7 @@ func build(id string, keyStorage crypto.KeyStorage, stateBuilder *aclStateBuilde
 			return
 		}
 
-		record, err = recBuilder.Unmarshall(rawRecordWithId)
+		record, err = recBuilder.ConvertFromRaw(rawRecordWithId)
 		if err != nil {
 			return
 		}
@@ -140,7 +137,7 @@ func (a *aclList) AddRawRecord(rawRec *aclrecordproto.RawAclRecordWithId) (added
 	if _, ok := a.indexes[rawRec.Id]; ok {
 		return
 	}
-	record, err := a.recordBuilder.Unmarshall(rawRec)
+	record, err := a.recordBuilder.ConvertFromRaw(rawRec)
 	if err != nil {
 		return
 	}
@@ -159,7 +156,7 @@ func (a *aclList) AddRawRecord(rawRec *aclrecordproto.RawAclRecordWithId) (added
 }
 
 func (a *aclList) IsValidNext(rawRec *aclrecordproto.RawAclRecordWithId) (err error) {
-	_, err = a.recordBuilder.Unmarshall(rawRec)
+	_, err = a.recordBuilder.ConvertFromRaw(rawRec)
 	if err != nil {
 		return
 	}
@@ -179,10 +176,6 @@ func (a *aclList) AclState() *AclState {
 	return a.aclState
 }
 
-func (a *aclList) KeyStorage() crypto.KeyStorage {
-	return a.keyStorage
-}
-
 func (a *aclList) IsAfter(first string, second string) (bool, error) {
 	firstRec, okFirst := a.indexes[first]
 	secondRec, okSecond := a.indexes[second]

commonspace/object/acl/list/list_test.go

@@ -1,16 +1,91 @@
 package list
 
 import (
-	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/testutils/acllistbuilder"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"testing"
 )
 
-func TestAclList_BuildRoot(t *testing.T) {
-	randomKeys, err := accountdata.NewRandom()
-	require.NoError(t, err)
-	randomAcl, err := NewTestDerivedAcl("spaceId", randomKeys)
-	require.NoError(t, err)
-	fmt.Println(randomAcl.Id())
+func TestAclList_AclState_UserInviteAndJoin(t *testing.T) {
+	st, err := acllistbuilder.NewListStorageWithTestName("userjoinexample.yml")
+	require.NoError(t, err, "building storage should not result in error")
+
+	keychain := st.(*acllistbuilder.AclListStorageBuilder).GetKeychain()
+
+	aclList, err := BuildAclList(st)
+	require.NoError(t, err, "building acl list should be without error")
+
+	idA := keychain.GetIdentity("A")
+	idB := keychain.GetIdentity("B")
+	idC := keychain.GetIdentity("C")
+
+	// checking final state
+	assert.Equal(t, aclrecordproto.AclUserPermissions_Admin, aclList.AclState().UserStates()[idA].Permissions)
+	assert.Equal(t, aclrecordproto.AclUserPermissions_Writer, aclList.AclState().UserStates()[idB].Permissions)
+	assert.Equal(t, aclrecordproto.AclUserPermissions_Reader, aclList.AclState().UserStates()[idC].Permissions)
+	assert.Equal(t, aclList.Head().CurrentReadKeyHash, aclList.AclState().CurrentReadKeyHash())
+
+	var records []*AclRecord
+	aclList.Iterate(func(record *AclRecord) (IsContinue bool) {
+		records = append(records, record)
+		return true
+	})
+
+	// checking permissions at specific records
+	assert.Equal(t, 3, len(records))
+
+	_, err = aclList.AclState().PermissionsAtRecord(records[1].Id, idB)
+	assert.Error(t, err, "B should have no permissions at record 1")
+
+	perm, err := aclList.AclState().PermissionsAtRecord(records[2].Id, idB)
+	assert.NoError(t, err, "should have no error with permissions of B in the record 2")
+	assert.Equal(t, UserPermissionPair{
+		Identity:   idB,
+		Permission: aclrecordproto.AclUserPermissions_Writer,
+	}, perm)
+}
+
+func TestAclList_AclState_UserJoinAndRemove(t *testing.T) {
+	st, err := acllistbuilder.NewListStorageWithTestName("userremoveexample.yml")
+	require.NoError(t, err, "building storage should not result in error")
+
+	keychain := st.(*acllistbuilder.AclListStorageBuilder).GetKeychain()
+
+	aclList, err := BuildAclList(st)
+	require.NoError(t, err, "building acl list should be without error")
+
+	idA := keychain.GetIdentity("A")
+	idB := keychain.GetIdentity("B")
+	idC := keychain.GetIdentity("C")
+
+	// checking final state
+	assert.Equal(t, aclrecordproto.AclUserPermissions_Admin, aclList.AclState().UserStates()[idA].Permissions)
+	assert.Equal(t, aclrecordproto.AclUserPermissions_Reader, aclList.AclState().UserStates()[idC].Permissions)
+	assert.Equal(t, aclList.Head().CurrentReadKeyHash, aclList.AclState().CurrentReadKeyHash())
+
+	_, exists := aclList.AclState().UserStates()[idB]
+	assert.Equal(t, false, exists)
+
+	var records []*AclRecord
+	aclList.Iterate(func(record *AclRecord) (IsContinue bool) {
+		records = append(records, record)
+		return true
+	})
+
+	// checking permissions at specific records
+	assert.Equal(t, 4, len(records))
+
+	assert.NotEqual(t, records[2].CurrentReadKeyHash, aclList.AclState().CurrentReadKeyHash())
+
+	perm, err := aclList.AclState().PermissionsAtRecord(records[2].Id, idB)
+	assert.NoError(t, err, "should have no error with permissions of B in the record 2")
+	assert.Equal(t, UserPermissionPair{
+		Identity:   idB,
+		Permission: aclrecordproto.AclUserPermissions_Writer,
+	}, perm)
+
+	_, err = aclList.AclState().PermissionsAtRecord(records[3].Id, idB)
+	assert.Error(t, err, "B should have no permissions at record 3, because user should be removed")
 }

commonspace/object/acl/list/listutils.go

@@ -1,31 +0,0 @@
-package list
-
-import (
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/commonspace/object/acl/liststorage"
-	"github.com/anyproto/any-sync/util/crypto"
-)
-
-func NewTestDerivedAcl(spaceId string, keys *accountdata.AccountKeys) (AclList, error) {
-	builder := NewAclRecordBuilder("", crypto.NewKeyStorage())
-	masterKey, _, err := crypto.GenerateRandomEd25519KeyPair()
-	if err != nil {
-		return nil, err
-	}
-	root, err := builder.BuildRoot(RootContent{
-		PrivKey:   keys.SignKey,
-		SpaceId:   spaceId,
-		MasterKey: masterKey,
-	})
-	if err != nil {
-		return nil, err
-	}
-	st, err := liststorage.NewInMemoryAclListStorage(root.Id, []*aclrecordproto.RawAclRecordWithId{
-		root,
-	})
-	if err != nil {
-		return nil, err
-	}
-	return BuildAclListWithIdentity(keys, st)
-}

commonspace/object/acl/list/mock_list/mock_list.go

@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anyproto/any-sync/commonspace/object/acl/list (interfaces: AclList)
+// Source: github.com/anytypeio/any-sync/commonspace/object/acl/list (interfaces: AclList)
 
 // Package mock_list is a generated GoMock package.
 package mock_list
@@ -7,9 +7,8 @@ package mock_list
 import (
 	reflect "reflect"
 
-	aclrecordproto "github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	list "github.com/anyproto/any-sync/commonspace/object/acl/list"
-	crypto "github.com/anyproto/any-sync/util/crypto"
+	aclrecordproto "github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	list "github.com/anytypeio/any-sync/commonspace/object/acl/list"
 	gomock "github.com/golang/mock/gomock"
 )
 
@@ -161,20 +160,6 @@ func (mr *MockAclListMockRecorder) IterateFrom(arg0, arg1 interface{}) *gomock.C
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "IterateFrom", reflect.TypeOf((*MockAclList)(nil).IterateFrom), arg0, arg1)
 }
 
-// KeyStorage mocks base method.
-func (m *MockAclList) KeyStorage() crypto.KeyStorage {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "KeyStorage")
-	ret0, _ := ret[0].(crypto.KeyStorage)
-	return ret0
-}
-
-// KeyStorage indicates an expected call of KeyStorage.
-func (mr *MockAclListMockRecorder) KeyStorage() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeyStorage", reflect.TypeOf((*MockAclList)(nil).KeyStorage))
-}
-
 // Lock mocks base method.
 func (m *MockAclList) Lock() {
 	m.ctrl.T.Helper()

commonspace/object/acl/list/models.go

@@ -1,22 +0,0 @@
-package list
-
-import (
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/util/crypto"
-)
-
-type AclRecord struct {
-	Id        string
-	PrevId    string
-	ReadKeyId string
-	Timestamp int64
-	Data      []byte
-	Identity  crypto.PubKey
-	Model     interface{}
-	Signature []byte
-}
-
-type AclUserState struct {
-	PubKey      crypto.PubKey
-	Permissions aclrecordproto.AclUserPermissions
-}

commonspace/object/acl/list/record.go

@@ -0,0 +1,12 @@
+package list
+
+type AclRecord struct {
+	Id                 string
+	PrevId             string
+	CurrentReadKeyHash uint64
+	Timestamp          int64
+	Data               []byte
+	Identity           []byte
+	Model              interface{}
+	Signature          []byte
+}

commonspace/object/acl/liststorage/inmemory.go

@@ -3,7 +3,7 @@ package liststorage
 import (
 	"context"
 	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
 	"sync"
 )
 

commonspace/object/acl/liststorage/liststorage.go

@@ -1,10 +1,10 @@
-//go:generate mockgen -destination mock_liststorage/mock_liststorage.go github.com/anyproto/any-sync/commonspace/object/acl/liststorage ListStorage
+//go:generate mockgen -destination mock_liststorage/mock_liststorage.go github.com/anytypeio/any-sync/commonspace/object/acl/liststorage ListStorage
 package liststorage
 
 import (
 	"context"
 	"errors"
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
 )
 
 var (
@@ -13,10 +13,6 @@ var (
 	ErrUnknownRecord = errors.New("record doesn't exist")
 )
 
-type Exporter interface {
-	ListStorage(root *aclrecordproto.RawAclRecordWithId) (ListStorage, error)
-}
-
 type ListStorage interface {
 	Id() string
 	Root() (*aclrecordproto.RawAclRecordWithId, error)

commonspace/object/acl/liststorage/mock_liststorage/mock_liststorage.go

@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anyproto/any-sync/commonspace/object/acl/liststorage (interfaces: ListStorage)
+// Source: github.com/anytypeio/any-sync/commonspace/object/acl/liststorage (interfaces: ListStorage)
 
 // Package mock_liststorage is a generated GoMock package.
 package mock_liststorage
@@ -8,7 +8,7 @@ import (
 	context "context"
 	reflect "reflect"
 
-	aclrecordproto "github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
+	aclrecordproto "github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
 	gomock "github.com/golang/mock/gomock"
 )
 

commonspace/object/acl/syncacl/syncacl.go

@@ -1,21 +1,21 @@
 package syncacl
 
 import (
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/objectsync"
-	"github.com/anyproto/any-sync/commonspace/objectsync/synchandler"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/list"
+	"github.com/anytypeio/any-sync/commonspace/objectsync"
+	"github.com/anytypeio/any-sync/commonspace/objectsync/synchandler"
 )
 
 type SyncAcl struct {
 	list.AclList
 	synchandler.SyncHandler
-	messagePool objectsync.MessagePool
+	streamPool objectsync.StreamPool
 }
 
-func NewSyncAcl(aclList list.AclList, messagePool objectsync.MessagePool) *SyncAcl {
+func NewSyncAcl(aclList list.AclList, streamPool objectsync.StreamPool) *SyncAcl {
 	return &SyncAcl{
 		AclList:     aclList,
 		SyncHandler: nil,
-		messagePool: messagePool,
+		streamPool:  streamPool,
 	}
 }

commonspace/object/acl/syncacl/syncaclhandler.go

@@ -3,9 +3,9 @@ package syncacl
 import (
 	"context"
 	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/list"
+	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 )
 
 type syncAclHandler struct {

commonspace/object/acl/testutils/acllistbuilder/keychain.go

@@ -0,0 +1,194 @@
+package acllistbuilder
+
+import (
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/util/keys"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/encryptionkey"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
+	"github.com/anytypeio/any-sync/util/keys/symmetric"
+	"hash/fnv"
+	"strings"
+)
+
+type SymKey struct {
+	Hash uint64
+	Key  *symmetric.Key
+}
+
+type YAMLKeychain struct {
+	SigningKeysByYAMLName     map[string]signingkey.PrivKey
+	SigningKeysByRealIdentity map[string]signingkey.PrivKey
+	EncryptionKeysByYAMLName  map[string]encryptionkey.PrivKey
+	ReadKeysByYAMLName        map[string]*SymKey
+	ReadKeysByHash            map[uint64]*SymKey
+	GeneratedIdentities       map[string]string
+}
+
+func NewKeychain() *YAMLKeychain {
+	return &YAMLKeychain{
+		SigningKeysByYAMLName:     map[string]signingkey.PrivKey{},
+		SigningKeysByRealIdentity: map[string]signingkey.PrivKey{},
+		EncryptionKeysByYAMLName:  map[string]encryptionkey.PrivKey{},
+		GeneratedIdentities:       map[string]string{},
+		ReadKeysByYAMLName:        map[string]*SymKey{},
+		ReadKeysByHash:            map[uint64]*SymKey{},
+	}
+}
+
+func (k *YAMLKeychain) ParseKeys(keys *Keys) {
+	for _, encKey := range keys.Enc {
+		k.AddEncryptionKey(encKey)
+	}
+
+	for _, signKey := range keys.Sign {
+		k.AddSigningKey(signKey)
+	}
+
+	for _, readKey := range keys.Read {
+		k.AddReadKey(readKey)
+	}
+}
+
+func (k *YAMLKeychain) AddEncryptionKey(key *Key) {
+	if _, exists := k.EncryptionKeysByYAMLName[key.Name]; exists {
+		return
+	}
+	var (
+		newPrivKey encryptionkey.PrivKey
+		err        error
+	)
+	if key.Value == "generated" {
+		newPrivKey, _, err = encryptionkey.GenerateRandomRSAKeyPair(2048)
+		if err != nil {
+			panic(err)
+		}
+	} else {
+		newPrivKey, err = keys.DecodeKeyFromString(key.Value, encryptionkey.NewEncryptionRsaPrivKeyFromBytes, nil)
+		if err != nil {
+			panic(err)
+		}
+	}
+	k.EncryptionKeysByYAMLName[key.Name] = newPrivKey
+}
+
+func (k *YAMLKeychain) AddSigningKey(key *Key) {
+	if _, exists := k.SigningKeysByYAMLName[key.Name]; exists {
+		return
+	}
+	var (
+		newPrivKey signingkey.PrivKey
+		pubKey     signingkey.PubKey
+		err        error
+	)
+	if key.Value == "generated" {
+		newPrivKey, pubKey, err = signingkey.GenerateRandomEd25519KeyPair()
+		if err != nil {
+			panic(err)
+		}
+	} else {
+		newPrivKey, err = keys.DecodeKeyFromString(key.Value, signingkey.NewSigningEd25519PrivKeyFromBytes, nil)
+		if err != nil {
+			panic(err)
+		}
+		pubKey = newPrivKey.GetPublic()
+	}
+
+	k.SigningKeysByYAMLName[key.Name] = newPrivKey
+	rawPubKey, err := pubKey.Raw()
+	if err != nil {
+		panic(err)
+	}
+	encoded := string(rawPubKey)
+
+	k.SigningKeysByRealIdentity[encoded] = newPrivKey
+	k.GeneratedIdentities[key.Name] = encoded
+}
+
+func (k *YAMLKeychain) AddReadKey(key *Key) {
+	if _, exists := k.ReadKeysByYAMLName[key.Name]; exists {
+		return
+	}
+
+	var (
+		rkey *symmetric.Key
+		err  error
+	)
+	if key.Value == "generated" {
+		rkey, err = symmetric.NewRandom()
+		if err != nil {
+			panic("should be able to generate symmetric key")
+		}
+	} else if key.Value == "derived" {
+		signKey, _ := k.SigningKeysByYAMLName[key.Name].Raw()
+		encKey, _ := k.EncryptionKeysByYAMLName[key.Name].Raw()
+		rkey, err = aclrecordproto.AclReadKeyDerive(signKey, encKey)
+		if err != nil {
+			panic("should be able to derive symmetric key")
+		}
+	} else {
+		rkey, err = symmetric.FromString(key.Value)
+		if err != nil {
+			panic("should be able to parse symmetric key")
+		}
+	}
+
+	hasher := fnv.New64()
+	hasher.Write(rkey.Bytes())
+
+	k.ReadKeysByYAMLName[key.Name] = &SymKey{
+		Hash: hasher.Sum64(),
+		Key:  rkey,
+	}
+	k.ReadKeysByHash[hasher.Sum64()] = &SymKey{
+		Hash: hasher.Sum64(),
+		Key:  rkey,
+	}
+}
+
+func (k *YAMLKeychain) AddKey(key *Key) {
+	parts := strings.Split(key.Name, ".")
+	if len(parts) != 3 {
+		panic("cannot parse a key")
+	}
+
+	switch parts[1] {
+	case "Signature":
+		k.AddSigningKey(key)
+	case "Enc":
+		k.AddEncryptionKey(key)
+	case "Read":
+		k.AddReadKey(key)
+	default:
+		panic("incorrect format")
+	}
+}
+
+func (k *YAMLKeychain) GetKey(key string) interface{} {
+	parts := strings.Split(key, ".")
+	if len(parts) != 3 {
+		panic("cannot parse a key")
+	}
+	name := parts[2]
+
+	switch parts[1] {
+	case "Sign":
+		if key, exists := k.SigningKeysByYAMLName[name]; exists {
+			return key
+		}
+	case "Enc":
+		if key, exists := k.EncryptionKeysByYAMLName[name]; exists {
+			return key
+		}
+	case "Read":
+		if key, exists := k.ReadKeysByYAMLName[name]; exists {
+			return key
+		}
+	default:
+		panic("incorrect format")
+	}
+	return nil
+}
+
+func (k *YAMLKeychain) GetIdentity(name string) string {
+	return k.GeneratedIdentities[name]
+}

commonspace/object/acl/testutils/acllistbuilder/liststoragebuilder.go

@@ -0,0 +1,295 @@
+package acllistbuilder
+
+import (
+	"context"
+	"fmt"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/liststorage"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/testutils/yamltests"
+	"github.com/anytypeio/any-sync/util/cidutil"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/encryptionkey"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
+	"github.com/anytypeio/any-sync/util/keys/symmetric"
+	"gopkg.in/yaml.v3"
+	"io/ioutil"
+	"path"
+	"time"
+
+	"github.com/gogo/protobuf/proto"
+)
+
+type AclListStorageBuilder struct {
+	liststorage.ListStorage
+	keychain *YAMLKeychain
+}
+
+func NewAclListStorageBuilder(keychain *YAMLKeychain) *AclListStorageBuilder {
+	return &AclListStorageBuilder{
+		keychain: keychain,
+	}
+}
+
+func NewListStorageWithTestName(name string) (liststorage.ListStorage, error) {
+	filePath := path.Join(yamltests.Path(), name)
+	return NewAclListStorageBuilderFromFile(filePath)
+}
+
+func NewAclListStorageBuilderFromFile(file string) (*AclListStorageBuilder, error) {
+	content, err := ioutil.ReadFile(file)
+	if err != nil {
+		return nil, err
+	}
+
+	ymlTree := YMLList{}
+	err = yaml.Unmarshal(content, &ymlTree)
+	if err != nil {
+		return nil, err
+	}
+
+	tb := NewAclListStorageBuilder(NewKeychain())
+	tb.Parse(&ymlTree)
+
+	return tb, nil
+}
+
+func (t *AclListStorageBuilder) createRaw(rec proto.Marshaler, identity []byte) *aclrecordproto.RawAclRecordWithId {
+	protoMarshalled, err := rec.Marshal()
+	if err != nil {
+		panic("should be able to marshal final acl message!")
+	}
+
+	signature, err := t.keychain.SigningKeysByRealIdentity[string(identity)].Sign(protoMarshalled)
+	if err != nil {
+		panic("should be able to sign final acl message!")
+	}
+
+	rawRec := &aclrecordproto.RawAclRecord{
+		Payload:   protoMarshalled,
+		Signature: signature,
+	}
+
+	rawMarshalled, err := proto.Marshal(rawRec)
+	if err != nil {
+		panic(err)
+	}
+
+	id, _ := cidutil.NewCidFromBytes(rawMarshalled)
+
+	return &aclrecordproto.RawAclRecordWithId{
+		Payload: rawMarshalled,
+		Id:      id,
+	}
+}
+
+func (t *AclListStorageBuilder) GetKeychain() *YAMLKeychain {
+	return t.keychain
+}
+
+func (t *AclListStorageBuilder) Parse(l *YMLList) {
+	// Just to clarify - we are generating new identities for the ones that
+	// are specified in the yml file, because our identities should be Ed25519
+	// the same thing is happening for the encryption keys
+	t.keychain.ParseKeys(&l.Keys)
+	rawRoot := t.parseRoot(l.Root)
+	var err error
+	t.ListStorage, err = liststorage.NewInMemoryAclListStorage(rawRoot.Id, []*aclrecordproto.RawAclRecordWithId{rawRoot})
+	if err != nil {
+		panic(err)
+	}
+	prevId := rawRoot.Id
+	for _, rec := range l.Records {
+		newRecord := t.parseRecord(rec, prevId)
+		rawRecord := t.createRaw(newRecord, newRecord.Identity)
+		err = t.AddRawRecord(context.Background(), rawRecord)
+		if err != nil {
+			panic(err)
+		}
+		prevId = rawRecord.Id
+	}
+	t.SetHead(prevId)
+}
+
+func (t *AclListStorageBuilder) parseRecord(rec *Record, prevId string) *aclrecordproto.AclRecord {
+	k := t.keychain.GetKey(rec.ReadKey).(*SymKey)
+	var aclChangeContents []*aclrecordproto.AclContentValue
+	for _, ch := range rec.AclChanges {
+		aclChangeContent := t.parseAclChange(ch)
+		aclChangeContents = append(aclChangeContents, aclChangeContent)
+	}
+	data := &aclrecordproto.AclData{
+		AclContent: aclChangeContents,
+	}
+	bytes, _ := data.Marshal()
+
+	return &aclrecordproto.AclRecord{
+		PrevId:             prevId,
+		Identity:           []byte(t.keychain.GetIdentity(rec.Identity)),
+		Data:               bytes,
+		CurrentReadKeyHash: k.Hash,
+		Timestamp:          time.Now().UnixNano(),
+	}
+}
+
+func (t *AclListStorageBuilder) parseAclChange(ch *AclChange) (convCh *aclrecordproto.AclContentValue) {
+	switch {
+	case ch.UserAdd != nil:
+		add := ch.UserAdd
+
+		encKey := t.keychain.GetKey(add.EncryptionKey).(encryptionkey.PrivKey)
+		rawKey, _ := encKey.GetPublic().Raw()
+
+		convCh = &aclrecordproto.AclContentValue{
+			Value: &aclrecordproto.AclContentValue_UserAdd{
+				UserAdd: &aclrecordproto.AclUserAdd{
+					Identity:          []byte(t.keychain.GetIdentity(add.Identity)),
+					EncryptionKey:     rawKey,
+					EncryptedReadKeys: t.encryptReadKeysWithPubKey(add.EncryptedReadKeys, encKey),
+					Permissions:       t.convertPermission(add.Permission),
+				},
+			},
+		}
+	case ch.UserJoin != nil:
+		join := ch.UserJoin
+
+		encKey := t.keychain.GetKey(join.EncryptionKey).(encryptionkey.PrivKey)
+		rawKey, _ := encKey.GetPublic().Raw()
+
+		idKey, _ := t.keychain.SigningKeysByYAMLName[join.Identity].GetPublic().Raw()
+		signKey := t.keychain.GetKey(join.AcceptKey).(signingkey.PrivKey)
+		signature, err := signKey.Sign(idKey)
+		if err != nil {
+			panic(err)
+		}
+		acceptPubKey, _ := signKey.GetPublic().Raw()
+
+		convCh = &aclrecordproto.AclContentValue{
+			Value: &aclrecordproto.AclContentValue_UserJoin{
+				UserJoin: &aclrecordproto.AclUserJoin{
+					Identity:          []byte(t.keychain.GetIdentity(join.Identity)),
+					EncryptionKey:     rawKey,
+					AcceptSignature:   signature,
+					AcceptPubKey:      acceptPubKey,
+					EncryptedReadKeys: t.encryptReadKeysWithPubKey(join.EncryptedReadKeys, encKey),
+				},
+			},
+		}
+	case ch.UserInvite != nil:
+		invite := ch.UserInvite
+		rawAcceptKey, _ := t.keychain.GetKey(invite.AcceptKey).(signingkey.PrivKey).GetPublic().Raw()
+		hash := t.keychain.GetKey(invite.EncryptionKey).(*SymKey).Hash
+		encKey := t.keychain.ReadKeysByHash[hash]
+
+		convCh = &aclrecordproto.AclContentValue{
+			Value: &aclrecordproto.AclContentValue_UserInvite{
+				UserInvite: &aclrecordproto.AclUserInvite{
+					AcceptPublicKey:   rawAcceptKey,
+					EncryptSymKeyHash: hash,
+					EncryptedReadKeys: t.encryptReadKeysWithSymKey(invite.EncryptedReadKeys, encKey.Key),
+					Permissions:       t.convertPermission(invite.Permissions),
+				},
+			},
+		}
+	case ch.UserPermissionChange != nil:
+		permissionChange := ch.UserPermissionChange
+
+		convCh = &aclrecordproto.AclContentValue{
+			Value: &aclrecordproto.AclContentValue_UserPermissionChange{
+				UserPermissionChange: &aclrecordproto.AclUserPermissionChange{
+					Identity:    []byte(t.keychain.GetIdentity(permissionChange.Identity)),
+					Permissions: t.convertPermission(permissionChange.Permission),
+				},
+			},
+		}
+	case ch.UserRemove != nil:
+		remove := ch.UserRemove
+
+		newReadKey := t.keychain.GetKey(remove.NewReadKey).(*SymKey)
+
+		var replaces []*aclrecordproto.AclReadKeyReplace
+		for _, id := range remove.IdentitiesLeft {
+			encKey := t.keychain.EncryptionKeysByYAMLName[id]
+			rawEncKey, _ := encKey.GetPublic().Raw()
+			encReadKey, err := encKey.GetPublic().Encrypt(newReadKey.Key.Bytes())
+			if err != nil {
+				panic(err)
+			}
+			replaces = append(replaces, &aclrecordproto.AclReadKeyReplace{
+				Identity:         []byte(t.keychain.GetIdentity(id)),
+				EncryptionKey:    rawEncKey,
+				EncryptedReadKey: encReadKey,
+			})
+		}
+
+		convCh = &aclrecordproto.AclContentValue{
+			Value: &aclrecordproto.AclContentValue_UserRemove{
+				UserRemove: &aclrecordproto.AclUserRemove{
+					Identity:        []byte(t.keychain.GetIdentity(remove.RemovedIdentity)),
+					ReadKeyReplaces: replaces,
+				},
+			},
+		}
+	}
+	if convCh == nil {
+		panic("cannot have empty acl change")
+	}
+
+	return convCh
+}
+
+func (t *AclListStorageBuilder) encryptReadKeysWithPubKey(keys []string, encKey encryptionkey.PrivKey) (enc [][]byte) {
+	for _, k := range keys {
+		realKey := t.keychain.GetKey(k).(*SymKey).Key.Bytes()
+		res, err := encKey.GetPublic().Encrypt(realKey)
+		if err != nil {
+			panic(err)
+		}
+
+		enc = append(enc, res)
+	}
+	return
+}
+
+func (t *AclListStorageBuilder) encryptReadKeysWithSymKey(keys []string, key *symmetric.Key) (enc [][]byte) {
+	for _, k := range keys {
+		realKey := t.keychain.GetKey(k).(*SymKey).Key.Bytes()
+		res, err := key.Encrypt(realKey)
+		if err != nil {
+			panic(err)
+		}
+
+		enc = append(enc, res)
+	}
+	return
+}
+
+func (t *AclListStorageBuilder) convertPermission(perm string) aclrecordproto.AclUserPermissions {
+	switch perm {
+	case "admin":
+		return aclrecordproto.AclUserPermissions_Admin
+	case "writer":
+		return aclrecordproto.AclUserPermissions_Writer
+	case "reader":
+		return aclrecordproto.AclUserPermissions_Reader
+	default:
+		panic(fmt.Sprintf("incorrect permission: %s", perm))
+	}
+}
+
+func (t *AclListStorageBuilder) traverseFromHead(f func(rec *aclrecordproto.AclRecord, id string) error) (err error) {
+	panic("this was removed, add if needed")
+}
+
+func (t *AclListStorageBuilder) parseRoot(root *Root) (rawRoot *aclrecordproto.RawAclRecordWithId) {
+	rawSignKey, _ := t.keychain.SigningKeysByYAMLName[root.Identity].GetPublic().Raw()
+	rawEncKey, _ := t.keychain.EncryptionKeysByYAMLName[root.Identity].GetPublic().Raw()
+	readKey := t.keychain.ReadKeysByYAMLName[root.Identity]
+	aclRoot := &aclrecordproto.AclRoot{
+		Identity:           rawSignKey,
+		EncryptionKey:      rawEncKey,
+		SpaceId:            root.SpaceId,
+		EncryptedReadKey:   nil,
+		DerivationScheme:   "scheme",
+		CurrentReadKeyHash: readKey.Hash,
+	}
+	return t.createRaw(aclRoot, rawSignKey)
+}

commonspace/object/acl/testutils/acllistbuilder/liststoragebuildergraph.go

@@ -0,0 +1,11 @@
+//go:build ((!linux && !darwin) || android || ios || nographviz) && !amd64
+// +build !linux,!darwin android ios nographviz
+// +build !amd64
+
+package acllistbuilder
+
+import "fmt"
+
+func (t *AclListStorageBuilder) Graph() (string, error) {
+	return "", fmt.Errorf("building graphs is not supported")
+}

commonspace/object/acl/testutils/acllistbuilder/liststoragebuildergraph_nix.go

@@ -0,0 +1,120 @@
+//go:build (linux || darwin) && !android && !ios && !nographviz && (amd64 || arm64)
+// +build linux darwin
+// +build !android
+// +build !ios
+// +build !nographviz
+// +build amd64 arm64
+
+package acllistbuilder
+
+import (
+	"fmt"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/gogo/protobuf/proto"
+	"strings"
+	"unicode"
+
+	"github.com/awalterschulze/gographviz"
+)
+
+// To quickly look at visualized string you can use https://dreampuf.github.io/GraphvizOnline
+
+type EdgeParameters struct {
+	style string
+	color string
+	label string
+}
+
+func (t *AclListStorageBuilder) Graph() (string, error) {
+	// TODO: check updates on https://github.com/goccy/go-graphviz/issues/52 or make a fix yourself to use better library here
+	graph := gographviz.NewGraph()
+	graph.SetName("G")
+	graph.SetDir(true)
+	var nodes = make(map[string]struct{})
+
+	var addNodes = func(r *aclrecordproto.AclRecord, id string) error {
+		style := "solid"
+
+		var chSymbs []string
+		aclData := &aclrecordproto.AclData{}
+		err := proto.Unmarshal(r.GetData(), aclData)
+		if err != nil {
+			return err
+		}
+
+		for _, chc := range aclData.AclContent {
+			tp := fmt.Sprintf("%T", chc.Value)
+			tp = strings.Replace(tp, "AclChangeAclContentValueValueOf", "", 1)
+			res := ""
+			for _, ts := range tp {
+				if unicode.IsUpper(ts) {
+					res += string(ts)
+				}
+			}
+			chSymbs = append(chSymbs, res)
+		}
+
+		shortId := id
+		label := fmt.Sprintf("Id: %s\nChanges: %s\n",
+			shortId,
+			strings.Join(chSymbs, ","),
+		)
+		e := graph.AddNode("G", "\""+id+"\"", map[string]string{
+			"label": "\"" + label + "\"",
+			"style": "\"" + style + "\"",
+		})
+		if e != nil {
+			return e
+		}
+		nodes[id] = struct{}{}
+		return nil
+	}
+
+	var createEdge = func(firstId, secondId string, params EdgeParameters) error {
+		_, exists := nodes[firstId]
+		if !exists {
+			return fmt.Errorf("no such node")
+		}
+		_, exists = nodes[secondId]
+		if !exists {
+			return fmt.Errorf("no previous node")
+		}
+
+		err := graph.AddEdge("\""+firstId+"\"", "\""+secondId+"\"", true, map[string]string{
+			"color": params.color,
+			"style": params.style,
+		})
+		if err != nil {
+			return err
+		}
+
+		return nil
+	}
+
+	var addLinks = func(r *aclrecordproto.AclRecord, id string) error {
+		if r.PrevId == "" {
+			return nil
+		}
+		err := createEdge(id, r.PrevId, EdgeParameters{
+			style: "dashed",
+			color: "red",
+		})
+		if err != nil {
+			return err
+		}
+
+		return nil
+	}
+
+	err := t.traverseFromHead(addNodes)
+	if err != nil {
+		return "", err
+	}
+
+	err = t.traverseFromHead(addLinks)
+	if err != nil {
+		return "", err
+	}
+
+	return graph.String(), nil
+}

commonspace/object/acl/testutils/acllistbuilder/ymlentities.go

@@ -0,0 +1,70 @@
+package acllistbuilder
+
+type Key struct {
+	Name  string `yaml:"name"`
+	Value string `yaml:"value"`
+}
+
+type Keys struct {
+	Derived string `yaml:"Derived"`
+	Enc     []*Key `yaml:"Enc"`
+	Sign    []*Key `yaml:"Sign"`
+	Read    []*Key `yaml:"Read"`
+}
+
+type AclChange struct {
+	UserAdd *struct {
+		Identity          string   `yaml:"identity"`
+		EncryptionKey     string   `yaml:"encryptionKey"`
+		EncryptedReadKeys []string `yaml:"encryptedReadKeys"`
+		Permission        string   `yaml:"permission"`
+	} `yaml:"userAdd"`
+
+	UserJoin *struct {
+		Identity          string   `yaml:"identity"`
+		EncryptionKey     string   `yaml:"encryptionKey"`
+		AcceptKey         string   `yaml:"acceptKey"`
+		EncryptedReadKeys []string `yaml:"encryptedReadKeys"`
+	} `yaml:"userJoin"`
+
+	UserInvite *struct {
+		AcceptKey         string   `yaml:"acceptKey"`
+		EncryptionKey     string   `yaml:"encryptionKey"`
+		EncryptedReadKeys []string `yaml:"encryptedReadKeys"`
+		Permissions       string   `yaml:"permissions"`
+	} `yaml:"userInvite"`
+
+	UserRemove *struct {
+		RemovedIdentity string   `yaml:"removedIdentity"`
+		NewReadKey      string   `yaml:"newReadKey"`
+		IdentitiesLeft  []string `yaml:"identitiesLeft"`
+	} `yaml:"userRemove"`
+
+	UserPermissionChange *struct {
+		Identity   string `yaml:"identity"`
+		Permission string `yaml:"permission"`
+	}
+}
+
+type Record struct {
+	Identity   string       `yaml:"identity"`
+	AclChanges []*AclChange `yaml:"aclChanges"`
+	ReadKey    string       `yaml:"readKey"`
+}
+
+type Header struct {
+	FirstChangeId string `yaml:"firstChangeId"`
+	IsWorkspace   bool   `yaml:"isWorkspace"`
+}
+
+type Root struct {
+	Identity string `yaml:"identity"`
+	SpaceId  string `yaml:"spaceId"`
+}
+
+type YMLList struct {
+	Root    *Root
+	Records []*Record `yaml:"records"`
+
+	Keys Keys `yaml:"keys"`
+}

commonspace/object/acl/testutils/yamltests/path.go

@@ -0,0 +1,15 @@
+package yamltests
+
+import (
+	"path/filepath"
+	"runtime"
+)
+
+var (
+	_, b, _, _ = runtime.Caller(0)
+	basepath   = filepath.Dir(b)
+)
+
+func Path() string {
+	return basepath
+}

commonspace/object/acl/testutils/yamltests/userjoinexample.yml

@@ -0,0 +1,53 @@
+root:
+  identity: A
+  spaceId: space
+records:
+  - identity: A
+    aclChanges:
+      - userInvite:
+          acceptKey: key.Sign.Onetime1
+          encryptionKey: key.Read.EncKey
+          encryptedReadKeys: [key.Read.A]
+          permissions: writer
+      - userAdd:
+          identity: C
+          permission: reader
+          encryptionKey: key.Enc.C
+          encryptedReadKeys: [key.Read.A]
+    readKey: key.Read.A
+  - identity: B
+    aclChanges:
+      - userJoin:
+          identity: B
+          encryptionKey: key.Enc.B
+          acceptKey: key.Sign.Onetime1
+          encryptedReadKeys: [key.Read.A]
+    readKey: key.Read.A
+keys:
+  Enc:
+    - name: A
+      value: generated
+    - name: B
+      value: generated
+    - name: C
+      value: generated
+    - name: D
+      value: generated
+    - name: Onetime1
+      value: generated
+  Sign:
+    - name: A
+      value: generated
+    - name: B
+      value: generated
+    - name: C
+      value: generated
+    - name: D
+      value: generated
+    - name: Onetime1
+      value: generated
+  Read:
+    - name: A
+      value: derived
+    - name: EncKey
+      value: generated

commonspace/object/acl/testutils/yamltests/userremoveexample.yml

@@ -0,0 +1,58 @@
+root:
+  identity: A
+  spaceId: space
+records:
+  - identity: A
+    aclChanges:
+      - userInvite:
+          acceptKey: key.Sign.Onetime1
+          encryptionKey: key.Read.EncKey
+          encryptedReadKeys: [key.Read.A]
+          permissions: writer
+      - userAdd:
+          identity: C
+          permission: reader
+          encryptionKey: key.Enc.C
+          encryptedReadKeys: [key.Read.A]
+    readKey: key.Read.A
+  - identity: B
+    aclChanges:
+      - userJoin:
+          identity: B
+          encryptionKey: key.Enc.B
+          acceptKey: key.Sign.Onetime1
+          encryptedReadKeys: [key.Read.A]
+    readKey: key.Read.A
+  - identity: A
+    aclChanges:
+      - userRemove:
+          removedIdentity: B
+          newReadKey: key.Read.2
+          identitiesLeft: [A, C]
+    readKey: key.Read.2
+keys:
+  Enc:
+    - name: A
+      value: generated
+    - name: B
+      value: generated
+    - name: C
+      value: generated
+    - name: Onetime1
+      value: generated
+  Sign:
+    - name: A
+      value: generated
+    - name: B
+      value: generated
+    - name: C
+      value: generated
+    - name: Onetime1
+      value: generated
+  Read:
+    - name: A
+      value: derived
+    - name: 2
+      value: generated
+    - name: EncKey
+      value: generated

commonspace/object/keychain/keychain.go

@@ -0,0 +1,28 @@
+package keychain
+
+import (
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
+)
+
+type Keychain struct {
+	keys map[string]signingkey.PubKey
+}
+
+func NewKeychain() *Keychain {
+	return &Keychain{
+		keys: make(map[string]signingkey.PubKey),
+	}
+}
+
+func (k *Keychain) GetOrAdd(identity string) (signingkey.PubKey, error) {
+	if key, exists := k.keys[identity]; exists {
+		return key, nil
+	}
+	res, err := signingkey.NewSigningEd25519PubKeyFromBytes([]byte(identity))
+	if err != nil {
+		return nil, err
+	}
+
+	k.keys[identity] = res.(signingkey.PubKey)
+	return res.(signingkey.PubKey), nil
+}

commonspace/object/syncobjectgetter/syncobjectgetter.go

@@ -2,11 +2,10 @@ package syncobjectgetter
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/commonspace/objectsync/synchandler"
+	"github.com/anytypeio/any-sync/commonspace/objectsync/synchandler"
 )
 
 type SyncObject interface {
-	Id() string
 	synchandler.SyncHandler
 }
 

commonspace/object/tree/exporter/treeexporter.go

@@ -1,80 +0,0 @@
-package exporter
-
-import (
-	"github.com/anyproto/any-sync/commonspace/object/acl/liststorage"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/util/crypto"
-)
-
-type DataConverter interface {
-	Unmarshall(decrypted []byte) (any, error)
-	Marshall(model any) ([]byte, error)
-}
-
-type TreeExporterParams struct {
-	ListStorageExporter liststorage.Exporter
-	TreeStorageExporter treestorage.Exporter
-	DataConverter       DataConverter
-}
-
-type TreeExporter interface {
-	ExportUnencrypted(tree objecttree.ReadableObjectTree) (err error)
-}
-
-type treeExporter struct {
-	listExporter liststorage.Exporter
-	treeExporter treestorage.Exporter
-	converter    DataConverter
-}
-
-func NewTreeExporter(params TreeExporterParams) TreeExporter {
-	return &treeExporter{
-		listExporter: params.ListStorageExporter,
-		treeExporter: params.TreeStorageExporter,
-		converter:    params.DataConverter,
-	}
-}
-
-func (t *treeExporter) ExportUnencrypted(tree objecttree.ReadableObjectTree) (err error) {
-	lst := tree.AclList()
-	// this exports root which should be enough before we implement acls
-	_, err = t.listExporter.ListStorage(lst.Root())
-	if err != nil {
-		return
-	}
-	treeStorage, err := t.treeExporter.TreeStorage(tree.Header())
-	if err != nil {
-		return
-	}
-	changeBuilder := objecttree.NewChangeBuilder(crypto.NewKeyStorage(), tree.Header())
-	putStorage := func(change *objecttree.Change) (err error) {
-		var raw *treechangeproto.RawTreeChangeWithId
-		raw, err = changeBuilder.Marshall(change)
-		if err != nil {
-			return
-		}
-		return treeStorage.AddRawChange(raw)
-	}
-	err = tree.IterateRoot(t.converter.Unmarshall, func(change *objecttree.Change) bool {
-		if change.Id == tree.Id() {
-			err = putStorage(change)
-			return err == nil
-		}
-		var data []byte
-		data, err = t.converter.Marshall(change.Model)
-		if err != nil {
-			return false
-		}
-		// that means that change is unencrypted
-		change.ReadKeyId = ""
-		change.Data = data
-		err = putStorage(change)
-		return err == nil
-	})
-	if err != nil {
-		return
-	}
-	return treeStorage.SetHeads(tree.Heads())
-}

commonspace/object/tree/exporter/treeimport.go

@@ -1,28 +0,0 @@
-package exporter
-
-import (
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/object/acl/liststorage"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-)
-
-type TreeImportParams struct {
-	ListStorage     liststorage.ListStorage
-	TreeStorage     treestorage.TreeStorage
-	BeforeId        string
-	IncludeBeforeId bool
-}
-
-func ImportHistoryTree(params TreeImportParams) (tree objecttree.ReadableObjectTree, err error) {
-	aclList, err := list.BuildAclList(params.ListStorage)
-	if err != nil {
-		return
-	}
-	return objecttree.BuildNonVerifiableHistoryTree(objecttree.HistoryTreeParams{
-		TreeStorage:     params.TreeStorage,
-		AclList:         aclList,
-		BeforeId:        params.BeforeId,
-		IncludeBeforeId: params.IncludeBeforeId,
-	})
-}

commonspace/object/tree/objecttree/change.go

@@ -2,9 +2,7 @@ package objecttree
 
 import (
 	"errors"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/util/crypto"
-	"github.com/gogo/protobuf/proto"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
 )
 
 var (
@@ -19,51 +17,44 @@ type Change struct {
 	AclHeadId   string
 	Id          string
 	SnapshotId  string
+	IsSnapshot  bool
 	Timestamp   int64
-	ReadKeyId   string
-	Identity    crypto.PubKey
+	ReadKeyHash uint64
+	Identity    string
 	Data        []byte
 	Model       interface{}
-	Signature   []byte
 
 	// iterator helpers
 	visited          bool
 	branchesFinished bool
-	IsSnapshot       bool
+
+	Signature []byte
 }
 
-func NewChange(id string, identity crypto.PubKey, ch *treechangeproto.TreeChange, signature []byte) *Change {
+func NewChange(id string, ch *treechangeproto.TreeChange, signature []byte) *Change {
 	return &Change{
 		Next:        nil,
 		PreviousIds: ch.TreeHeadIds,
 		AclHeadId:   ch.AclHeadId,
 		Timestamp:   ch.Timestamp,
-		ReadKeyId:   ch.ReadKeyId,
+		ReadKeyHash: ch.CurrentReadKeyHash,
 		Id:          id,
 		Data:        ch.ChangesData,
 		SnapshotId:  ch.SnapshotBaseId,
 		IsSnapshot:  ch.IsSnapshot,
-		Identity:    identity,
+		Identity:    string(ch.Identity),
 		Signature:   signature,
 	}
 }
 
-func NewChangeFromRoot(id string, identity crypto.PubKey, ch *treechangeproto.RootChange, signature []byte) *Change {
-	changeInfo := &treechangeproto.TreeChangeInfo{
-		ChangeType:    ch.ChangeType,
-		ChangePayload: ch.ChangePayload,
-	}
-	data, _ := proto.Marshal(changeInfo)
+func NewChangeFromRoot(id string, ch *treechangeproto.RootChange, signature []byte) *Change {
 	return &Change{
 		Next:       nil,
 		AclHeadId:  ch.AclHeadId,
 		Id:         id,
 		IsSnapshot: true,
-		Timestamp:  ch.Timestamp,
-		Identity:   identity,
+		Identity:   string(ch.Identity),
 		Signature:  signature,
-		Data:       data,
-		Model:      changeInfo,
 	}
 }
 

commonspace/object/tree/objecttree/changebuilder.go

@@ -2,76 +2,57 @@ package objecttree
 
 import (
 	"errors"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/util/cidutil"
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/commonspace/object/keychain"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/util/cidutil"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
+	"github.com/anytypeio/any-sync/util/keys/symmetric"
 	"github.com/gogo/protobuf/proto"
+	"time"
 )
 
 var ErrEmptyChange = errors.New("change payload should not be empty")
 
 type BuilderContent struct {
-	TreeHeadIds    []string
-	AclHeadId      string
-	SnapshotBaseId string
-	ReadKeyId      string
-	IsSnapshot     bool
-	PrivKey        crypto.PrivKey
-	ReadKey        crypto.SymKey
-	Content        []byte
-	Timestamp      int64
+	TreeHeadIds        []string
+	AclHeadId          string
+	SnapshotBaseId     string
+	CurrentReadKeyHash uint64
+	Identity           []byte
+	IsSnapshot         bool
+	SigningKey         signingkey.PrivKey
+	ReadKey            *symmetric.Key
+	Content            []byte
 }
 
 type InitialContent struct {
-	AclHeadId     string
-	PrivKey       crypto.PrivKey
-	SpaceId       string
-	Seed          []byte
-	ChangeType    string
-	ChangePayload []byte
-	Timestamp     int64
-}
-
-type nonVerifiableChangeBuilder struct {
-	ChangeBuilder
-}
-
-func (c *nonVerifiableChangeBuilder) BuildRoot(payload InitialContent) (ch *Change, raw *treechangeproto.RawTreeChangeWithId, err error) {
-	return c.ChangeBuilder.BuildRoot(payload)
-}
-
-func (c *nonVerifiableChangeBuilder) Unmarshall(rawChange *treechangeproto.RawTreeChangeWithId, verify bool) (ch *Change, err error) {
-	return c.ChangeBuilder.Unmarshall(rawChange, false)
-}
-
-func (c *nonVerifiableChangeBuilder) Build(payload BuilderContent) (ch *Change, raw *treechangeproto.RawTreeChangeWithId, err error) {
-	return c.ChangeBuilder.Build(payload)
-}
-
-func (c *nonVerifiableChangeBuilder) Marshall(ch *Change) (raw *treechangeproto.RawTreeChangeWithId, err error) {
-	return c.ChangeBuilder.Marshall(ch)
+	AclHeadId  string
+	Identity   []byte
+	SigningKey signingkey.PrivKey
+	SpaceId    string
+	Seed       []byte
+	ChangeType string
+	Timestamp  int64
 }
 
 type ChangeBuilder interface {
-	Unmarshall(rawIdChange *treechangeproto.RawTreeChangeWithId, verify bool) (ch *Change, err error)
-	Build(payload BuilderContent) (ch *Change, raw *treechangeproto.RawTreeChangeWithId, err error)
-	BuildRoot(payload InitialContent) (ch *Change, raw *treechangeproto.RawTreeChangeWithId, err error)
-	Marshall(ch *Change) (*treechangeproto.RawTreeChangeWithId, error)
+	ConvertFromRaw(rawIdChange *treechangeproto.RawTreeChangeWithId, verify bool) (ch *Change, err error)
+	BuildContent(payload BuilderContent) (ch *Change, raw *treechangeproto.RawTreeChangeWithId, err error)
+	BuildInitialContent(payload InitialContent) (ch *Change, raw *treechangeproto.RawTreeChangeWithId, err error)
+	BuildRaw(ch *Change) (*treechangeproto.RawTreeChangeWithId, error)
+	SetRootRawChange(rawIdChange *treechangeproto.RawTreeChangeWithId)
 }
 
-type newChangeFunc = func(id string, identity crypto.PubKey, ch *treechangeproto.TreeChange, signature []byte) *Change
-
 type changeBuilder struct {
 	rootChange *treechangeproto.RawTreeChangeWithId
-	keys       crypto.KeyStorage
-	newChange  newChangeFunc
+	keys       *keychain.Keychain
 }
 
-func NewChangeBuilder(keys crypto.KeyStorage, rootChange *treechangeproto.RawTreeChangeWithId) ChangeBuilder {
-	return &changeBuilder{keys: keys, rootChange: rootChange, newChange: NewChange}
+func NewChangeBuilder(keys *keychain.Keychain, rootChange *treechangeproto.RawTreeChangeWithId) ChangeBuilder {
+	return &changeBuilder{keys: keys, rootChange: rootChange}
 }
 
-func (c *changeBuilder) Unmarshall(rawIdChange *treechangeproto.RawTreeChangeWithId, verify bool) (ch *Change, err error) {
+func (c *changeBuilder) ConvertFromRaw(rawIdChange *treechangeproto.RawTreeChangeWithId, verify bool) (ch *Change, err error) {
 	if rawIdChange.GetRawChange() == nil {
 		err = ErrEmptyChange
 		return
@@ -96,9 +77,15 @@ func (c *changeBuilder) Unmarshall(rawIdChange *treechangeproto.RawTreeChangeWit
 	}
 
 	if verify {
+		var identityKey signingkey.PubKey
+		identityKey, err = c.keys.GetOrAdd(ch.Identity)
+		if err != nil {
+			return
+		}
+
 		// verifying signature
 		var res bool
-		res, err = ch.Identity.Verify(raw.Payload, raw.Signature)
+		res, err = identityKey.Verify(raw.Payload, raw.Signature)
 		if err != nil {
 			return
 		}
@@ -114,41 +101,43 @@ func (c *changeBuilder) SetRootRawChange(rawIdChange *treechangeproto.RawTreeCha
 	c.rootChange = rawIdChange
 }
 
-func (c *changeBuilder) BuildRoot(payload InitialContent) (ch *Change, rawIdChange *treechangeproto.RawTreeChangeWithId, err error) {
-	identity, err := payload.PrivKey.GetPublic().Marshall()
-	if err != nil {
-		return
-	}
+func (c *changeBuilder) BuildInitialContent(payload InitialContent) (ch *Change, rawIdChange *treechangeproto.RawTreeChangeWithId, err error) {
 	change := &treechangeproto.RootChange{
-		AclHeadId:     payload.AclHeadId,
-		Timestamp:     payload.Timestamp,
-		Identity:      identity,
-		ChangeType:    payload.ChangeType,
-		ChangePayload: payload.ChangePayload,
-		SpaceId:       payload.SpaceId,
-		Seed:          payload.Seed,
+		AclHeadId:  payload.AclHeadId,
+		Timestamp:  payload.Timestamp,
+		Identity:   payload.Identity,
+		ChangeType: payload.ChangeType,
+		SpaceId:    payload.SpaceId,
+		Seed:       payload.Seed,
 	}
+
 	marshalledChange, err := proto.Marshal(change)
 	if err != nil {
 		return
 	}
-	signature, err := payload.PrivKey.Sign(marshalledChange)
+
+	signature, err := payload.SigningKey.Sign(marshalledChange)
 	if err != nil {
 		return
 	}
+
 	raw := &treechangeproto.RawTreeChange{
 		Payload:   marshalledChange,
 		Signature: signature,
 	}
+
 	marshalledRawChange, err := proto.Marshal(raw)
 	if err != nil {
 		return
 	}
+
 	id, err := cidutil.NewCidFromBytes(marshalledRawChange)
 	if err != nil {
 		return
 	}
-	ch = NewChangeFromRoot(id, payload.PrivKey.GetPublic(), change, signature)
+
+	ch = NewChangeFromRoot(id, change, signature)
+
 	rawIdChange = &treechangeproto.RawTreeChangeWithId{
 		RawChange: marshalledRawChange,
 		Id:        id,
@@ -156,19 +145,15 @@ func (c *changeBuilder) BuildRoot(payload InitialContent) (ch *Change, rawIdChan
 	return
 }
 
-func (c *changeBuilder) Build(payload BuilderContent) (ch *Change, rawIdChange *treechangeproto.RawTreeChangeWithId, err error) {
-	identity, err := payload.PrivKey.GetPublic().Marshall()
-	if err != nil {
-		return
-	}
+func (c *changeBuilder) BuildContent(payload BuilderContent) (ch *Change, rawIdChange *treechangeproto.RawTreeChangeWithId, err error) {
 	change := &treechangeproto.TreeChange{
-		TreeHeadIds:    payload.TreeHeadIds,
-		AclHeadId:      payload.AclHeadId,
-		SnapshotBaseId: payload.SnapshotBaseId,
-		ReadKeyId:      payload.ReadKeyId,
-		Timestamp:      payload.Timestamp,
-		Identity:       identity,
-		IsSnapshot:     payload.IsSnapshot,
+		TreeHeadIds:        payload.TreeHeadIds,
+		AclHeadId:          payload.AclHeadId,
+		SnapshotBaseId:     payload.SnapshotBaseId,
+		CurrentReadKeyHash: payload.CurrentReadKeyHash,
+		Timestamp:          int64(time.Now().Nanosecond()),
+		Identity:           payload.Identity,
+		IsSnapshot:         payload.IsSnapshot,
 	}
 	if payload.ReadKey != nil {
 		var encrypted []byte
@@ -180,27 +165,34 @@ func (c *changeBuilder) Build(payload BuilderContent) (ch *Change, rawIdChange *
 	} else {
 		change.ChangesData = payload.Content
 	}
+
 	marshalledChange, err := proto.Marshal(change)
 	if err != nil {
 		return
 	}
-	signature, err := payload.PrivKey.Sign(marshalledChange)
+
+	signature, err := payload.SigningKey.Sign(marshalledChange)
 	if err != nil {
 		return
 	}
+
 	raw := &treechangeproto.RawTreeChange{
 		Payload:   marshalledChange,
 		Signature: signature,
 	}
+
 	marshalledRawChange, err := proto.Marshal(raw)
 	if err != nil {
 		return
 	}
+
 	id, err := cidutil.NewCidFromBytes(marshalledRawChange)
 	if err != nil {
 		return
 	}
-	ch = c.newChange(id, payload.PrivKey.GetPublic(), change, signature)
+
+	ch = NewChange(id, change, signature)
+
 	rawIdChange = &treechangeproto.RawTreeChangeWithId{
 		RawChange: marshalledRawChange,
 		Id:        id,
@@ -208,23 +200,19 @@ func (c *changeBuilder) Build(payload BuilderContent) (ch *Change, rawIdChange *
 	return
 }
 
-func (c *changeBuilder) Marshall(ch *Change) (raw *treechangeproto.RawTreeChangeWithId, err error) {
-	if c.isRoot(ch.Id) {
+func (c *changeBuilder) BuildRaw(ch *Change) (raw *treechangeproto.RawTreeChangeWithId, err error) {
+	if ch.Id == c.rootChange.Id {
 		return c.rootChange, nil
 	}
-	identity, err := ch.Identity.Marshall()
-	if err != nil {
-		return
-	}
 	treeChange := &treechangeproto.TreeChange{
-		TreeHeadIds:    ch.PreviousIds,
-		AclHeadId:      ch.AclHeadId,
-		SnapshotBaseId: ch.SnapshotId,
-		ChangesData:    ch.Data,
-		ReadKeyId:      ch.ReadKeyId,
-		Timestamp:      ch.Timestamp,
-		Identity:       identity,
-		IsSnapshot:     ch.IsSnapshot,
+		TreeHeadIds:        ch.PreviousIds,
+		AclHeadId:          ch.AclHeadId,
+		SnapshotBaseId:     ch.SnapshotId,
+		ChangesData:        ch.Data,
+		CurrentReadKeyHash: ch.ReadKeyHash,
+		Timestamp:          ch.Timestamp,
+		Identity:           []byte(ch.Identity),
+		IsSnapshot:         ch.IsSnapshot,
 	}
 	var marshalled []byte
 	marshalled, err = treeChange.Marshal()
@@ -248,36 +236,22 @@ func (c *changeBuilder) Marshall(ch *Change) (raw *treechangeproto.RawTreeChange
 }
 
 func (c *changeBuilder) unmarshallRawChange(raw *treechangeproto.RawTreeChange, id string) (ch *Change, err error) {
-	var key crypto.PubKey
-	if c.isRoot(id) {
+	if c.rootChange.Id == id {
 		unmarshalled := &treechangeproto.RootChange{}
 		err = proto.Unmarshal(raw.Payload, unmarshalled)
 		if err != nil {
 			return
 		}
-		key, err = c.keys.PubKeyFromProto(unmarshalled.Identity)
-		if err != nil {
-			return
-		}
-		ch = NewChangeFromRoot(id, key, unmarshalled, raw.Signature)
+		ch = NewChangeFromRoot(id, unmarshalled, raw.Signature)
 		return
 	}
+
 	unmarshalled := &treechangeproto.TreeChange{}
 	err = proto.Unmarshal(raw.Payload, unmarshalled)
 	if err != nil {
 		return
 	}
-	key, err = c.keys.PubKeyFromProto(unmarshalled.Identity)
-	if err != nil {
-		return
-	}
-	ch = c.newChange(id, key, unmarshalled, raw.Signature)
+
+	ch = NewChange(id, unmarshalled, raw.Signature)
 	return
 }
-
-func (c *changeBuilder) isRoot(id string) bool {
-	if c.rootChange != nil {
-		return c.rootChange.Id == id
-	}
-	return false
-}

commonspace/object/tree/objecttree/changevalidator.go

@@ -1,12 +1,9 @@
 package objecttree
 
 import (
-	"context"
 	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/util/slice"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/list"
 )
 
 type ObjectTreeValidator interface {
@@ -16,16 +13,6 @@ type ObjectTreeValidator interface {
 	ValidateNewChanges(tree *Tree, aclList list.AclList, newChanges []*Change) error
 }
 
-type noOpTreeValidator struct{}
-
-func (n *noOpTreeValidator) ValidateFullTree(tree *Tree, aclList list.AclList) error {
-	return nil
-}
-
-func (n *noOpTreeValidator) ValidateNewChanges(tree *Tree, aclList list.AclList, newChanges []*Change) error {
-	return nil
-}
-
 type objectTreeValidator struct{}
 
 func newTreeValidator() ObjectTreeValidator {
@@ -52,16 +39,16 @@ func (v *objectTreeValidator) ValidateNewChanges(tree *Tree, aclList list.AclLis
 
 func (v *objectTreeValidator) validateChange(tree *Tree, aclList list.AclList, c *Change) (err error) {
 	var (
-		perm  list.AclUserState
+		perm  list.UserPermissionPair
 		state = aclList.AclState()
 	)
 	// checking if the user could write
-	perm, err = state.StateAtRecord(c.AclHeadId, c.Identity)
+	perm, err = state.PermissionsAtRecord(c.AclHeadId, c.Identity)
 	if err != nil {
 		return
 	}
 
-	if perm.Permissions != aclrecordproto.AclUserPermissions_Writer && perm.Permissions != aclrecordproto.AclUserPermissions_Admin {
+	if perm.Permission != aclrecordproto.AclUserPermissions_Writer && perm.Permission != aclrecordproto.AclUserPermissions_Admin {
 		err = list.ErrInsufficientPermissions
 		return
 	}
@@ -88,25 +75,3 @@ func (v *objectTreeValidator) validateChange(tree *Tree, aclList list.AclList, c
 	}
 	return
 }
-
-func ValidateRawTree(payload treestorage.TreeStorageCreatePayload, aclList list.AclList) (err error) {
-	treeStorage, err := treestorage.NewInMemoryTreeStorage(payload.RootRawChange, []string{payload.RootRawChange.Id}, nil)
-	if err != nil {
-		return
-	}
-	tree, err := BuildObjectTree(treeStorage, aclList)
-	if err != nil {
-		return
-	}
-	res, err := tree.AddRawChanges(context.Background(), RawChangesPayload{
-		NewHeads:   payload.Heads,
-		RawChanges: payload.Changes,
-	})
-	if err != nil {
-		return
-	}
-	if !slice.UnsortedEquals(res.Heads, payload.Heads) {
-		return ErrHasInvalidChanges
-	}
-	return
-}

commonspace/object/tree/objecttree/historytree.go

@@ -1,60 +0,0 @@
-package objecttree
-
-import (
-	"errors"
-)
-
-var ErrLoadBeforeRoot = errors.New("can't load before root")
-
-type HistoryTree interface {
-	ReadableObjectTree
-}
-
-type historyTree struct {
-	*objectTree
-}
-
-func (h *historyTree) rebuildFromStorage(params HistoryTreeParams) (err error) {
-	err = h.rebuild(params)
-	if err != nil {
-		return
-	}
-	h.aclList.RLock()
-	defer h.aclList.RUnlock()
-	state := h.aclList.AclState()
-
-	return h.readKeysFromAclState(state)
-}
-
-func (h *historyTree) rebuild(params HistoryTreeParams) (err error) {
-	var (
-		beforeId = params.BeforeId
-		include  = params.IncludeBeforeId
-		full     = params.BuildFullTree
-	)
-	h.treeBuilder.Reset()
-	if full {
-		h.tree, err = h.treeBuilder.BuildFull()
-		return
-	}
-	if beforeId == h.Id() && !include {
-		return ErrLoadBeforeRoot
-	}
-
-	heads := []string{beforeId}
-	if beforeId == "" {
-		heads, err = h.treeStorage.Heads()
-		if err != nil {
-			return
-		}
-	} else if !include {
-		beforeChange, err := h.treeBuilder.loadChange(beforeId)
-		if err != nil {
-			return err
-		}
-		heads = beforeChange.PreviousIds
-	}
-
-	h.tree, err = h.treeBuilder.build(heads, nil, nil)
-	return
-}

commonspace/object/tree/objecttree/mock_objecttree/mock_objecttree.go

@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anyproto/any-sync/commonspace/object/tree/objecttree (interfaces: ObjectTree)
+// Source: github.com/anytypeio/any-sync/commonspace/object/tree/objecttree (interfaces: ObjectTree)
 
 // Package mock_objecttree is a generated GoMock package.
 package mock_objecttree
@@ -7,12 +7,10 @@ package mock_objecttree
 import (
 	context "context"
 	reflect "reflect"
-	time "time"
 
-	list "github.com/anyproto/any-sync/commonspace/object/acl/list"
-	objecttree "github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	treechangeproto "github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	treestorage "github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
+	objecttree "github.com/anytypeio/any-sync/commonspace/object/tree/objecttree"
+	treechangeproto "github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	treestorage "github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
 	gomock "github.com/golang/mock/gomock"
 )
 
@@ -39,20 +37,6 @@ func (m *MockObjectTree) EXPECT() *MockObjectTreeMockRecorder {
 	return m.recorder
 }
 
-// AclList mocks base method.
-func (m *MockObjectTree) AclList() list.AclList {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "AclList")
-	ret0, _ := ret[0].(list.AclList)
-	return ret0
-}
-
-// AclList indicates an expected call of AclList.
-func (mr *MockObjectTreeMockRecorder) AclList() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AclList", reflect.TypeOf((*MockObjectTree)(nil).AclList))
-}
-
 // AddContent mocks base method.
 func (m *MockObjectTree) AddContent(arg0 context.Context, arg1 objecttree.SignableChangeContent) (objecttree.AddResult, error) {
 	m.ctrl.T.Helper()
@@ -83,20 +67,6 @@ func (mr *MockObjectTreeMockRecorder) AddRawChanges(arg0, arg1 interface{}) *gom
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AddRawChanges", reflect.TypeOf((*MockObjectTree)(nil).AddRawChanges), arg0, arg1)
 }
 
-// ChangeInfo mocks base method.
-func (m *MockObjectTree) ChangeInfo() *treechangeproto.TreeChangeInfo {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "ChangeInfo")
-	ret0, _ := ret[0].(*treechangeproto.TreeChangeInfo)
-	return ret0
-}
-
-// ChangeInfo indicates an expected call of ChangeInfo.
-func (mr *MockObjectTreeMockRecorder) ChangeInfo() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ChangeInfo", reflect.TypeOf((*MockObjectTree)(nil).ChangeInfo))
-}
-
 // ChangesAfterCommonSnapshot mocks base method.
 func (m *MockObjectTree) ChangesAfterCommonSnapshot(arg0, arg1 []string) ([]*treechangeproto.RawTreeChangeWithId, error) {
 	m.ctrl.T.Helper()
@@ -126,19 +96,19 @@ func (mr *MockObjectTreeMockRecorder) Close() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Close", reflect.TypeOf((*MockObjectTree)(nil).Close))
 }
 
-// Debug mocks base method.
-func (m *MockObjectTree) Debug(arg0 objecttree.DescriptionParser) (objecttree.DebugInfo, error) {
+// DebugDump mocks base method.
+func (m *MockObjectTree) DebugDump(arg0 objecttree.DescriptionParser) (string, error) {
 	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Debug", arg0)
-	ret0, _ := ret[0].(objecttree.DebugInfo)
+	ret := m.ctrl.Call(m, "DebugDump", arg0)
+	ret0, _ := ret[0].(string)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 
-// Debug indicates an expected call of Debug.
-func (mr *MockObjectTreeMockRecorder) Debug(arg0 interface{}) *gomock.Call {
+// DebugDump indicates an expected call of DebugDump.
+func (mr *MockObjectTreeMockRecorder) DebugDump(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Debug", reflect.TypeOf((*MockObjectTree)(nil).Debug), arg0)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DebugDump", reflect.TypeOf((*MockObjectTree)(nil).DebugDump), arg0)
 }
 
 // Delete mocks base method.
@@ -155,21 +125,6 @@ func (mr *MockObjectTreeMockRecorder) Delete() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Delete", reflect.TypeOf((*MockObjectTree)(nil).Delete))
 }
 
-// GetChange mocks base method.
-func (m *MockObjectTree) GetChange(arg0 string) (*objecttree.Change, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetChange", arg0)
-	ret0, _ := ret[0].(*objecttree.Change)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetChange indicates an expected call of GetChange.
-func (mr *MockObjectTreeMockRecorder) GetChange(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetChange", reflect.TypeOf((*MockObjectTree)(nil).GetChange), arg0)
-}
-
 // HasChanges mocks base method.
 func (m *MockObjectTree) HasChanges(arg0 ...string) bool {
 	m.ctrl.T.Helper()
@@ -258,20 +213,6 @@ func (mr *MockObjectTreeMockRecorder) IterateRoot(arg0, arg1 interface{}) *gomoc
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "IterateRoot", reflect.TypeOf((*MockObjectTree)(nil).IterateRoot), arg0, arg1)
 }
 
-// Len mocks base method.
-func (m *MockObjectTree) Len() int {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Len")
-	ret0, _ := ret[0].(int)
-	return ret0
-}
-
-// Len indicates an expected call of Len.
-func (mr *MockObjectTreeMockRecorder) Len() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Len", reflect.TypeOf((*MockObjectTree)(nil).Len))
-}
-
 // Lock mocks base method.
 func (m *MockObjectTree) Lock() {
 	m.ctrl.T.Helper()
@@ -284,21 +225,6 @@ func (mr *MockObjectTreeMockRecorder) Lock() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Lock", reflect.TypeOf((*MockObjectTree)(nil).Lock))
 }
 
-// PrepareChange mocks base method.
-func (m *MockObjectTree) PrepareChange(arg0 objecttree.SignableChangeContent) (*treechangeproto.RawTreeChangeWithId, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "PrepareChange", arg0)
-	ret0, _ := ret[0].(*treechangeproto.RawTreeChangeWithId)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// PrepareChange indicates an expected call of PrepareChange.
-func (mr *MockObjectTreeMockRecorder) PrepareChange(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PrepareChange", reflect.TypeOf((*MockObjectTree)(nil).PrepareChange), arg0)
-}
-
 // RLock mocks base method.
 func (m *MockObjectTree) RLock() {
 	m.ctrl.T.Helper()
@@ -365,49 +291,6 @@ func (mr *MockObjectTreeMockRecorder) Storage() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Storage", reflect.TypeOf((*MockObjectTree)(nil).Storage))
 }
 
-// TryClose mocks base method.
-func (m *MockObjectTree) TryClose(arg0 time.Duration) (bool, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "TryClose", arg0)
-	ret0, _ := ret[0].(bool)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// TryClose indicates an expected call of TryClose.
-func (mr *MockObjectTreeMockRecorder) TryClose(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "TryClose", reflect.TypeOf((*MockObjectTree)(nil).TryClose), arg0)
-}
-
-// TryLock mocks base method.
-func (m *MockObjectTree) TryLock() bool {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "TryLock")
-	ret0, _ := ret[0].(bool)
-	return ret0
-}
-
-// TryLock indicates an expected call of TryLock.
-func (mr *MockObjectTreeMockRecorder) TryLock() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "TryLock", reflect.TypeOf((*MockObjectTree)(nil).TryLock))
-}
-
-// TryRLock mocks base method.
-func (m *MockObjectTree) TryRLock() bool {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "TryRLock")
-	ret0, _ := ret[0].(bool)
-	return ret0
-}
-
-// TryRLock indicates an expected call of TryRLock.
-func (mr *MockObjectTreeMockRecorder) TryRLock() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "TryRLock", reflect.TypeOf((*MockObjectTree)(nil).TryRLock))
-}
-
 // Unlock mocks base method.
 func (m *MockObjectTree) Unlock() {
 	m.ctrl.T.Helper()
@@ -433,18 +316,3 @@ func (mr *MockObjectTreeMockRecorder) UnmarshalledHeader() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UnmarshalledHeader", reflect.TypeOf((*MockObjectTree)(nil).UnmarshalledHeader))
 }
-
-// UnpackChange mocks base method.
-func (m *MockObjectTree) UnpackChange(arg0 *treechangeproto.RawTreeChangeWithId) ([]byte, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "UnpackChange", arg0)
-	ret0, _ := ret[0].([]byte)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// UnpackChange indicates an expected call of UnpackChange.
-func (mr *MockObjectTreeMockRecorder) UnpackChange(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UnpackChange", reflect.TypeOf((*MockObjectTree)(nil).UnpackChange), arg0)
-}

commonspace/object/tree/objecttree/objecttree.go

@@ -1,33 +1,28 @@
-//go:generate mockgen -destination mock_objecttree/mock_objecttree.go github.com/anyproto/any-sync/commonspace/object/tree/objecttree ObjectTree
+//go:generate mockgen -destination mock_objecttree/mock_objecttree.go github.com/anytypeio/any-sync/commonspace/object/tree/objecttree ObjectTree
 package objecttree
 
 import (
 	"context"
 	"errors"
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/aclrecordproto"
+	list2 "github.com/anytypeio/any-sync/commonspace/object/acl/list"
+	"github.com/anytypeio/any-sync/commonspace/object/keychain"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
+	"github.com/anytypeio/any-sync/util/keys/symmetric"
+	"github.com/anytypeio/any-sync/util/slice"
 	"sync"
-	"time"
-
-	"github.com/anyproto/any-sync/commonspace/object/acl/aclrecordproto"
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/util/slice"
 )
 
 type RWLocker interface {
 	sync.Locker
 	RLock()
 	RUnlock()
-	TryRLock() bool
-	TryLock() bool
 }
 
 var (
 	ErrHasInvalidChanges = errors.New("the change is invalid")
 	ErrNoCommonSnapshot  = errors.New("trees doesn't have a common snapshot")
-	ErrNoChangeInTree    = errors.New("no such change in tree")
-	ErrMissingKey        = errors.New("missing current read key")
 )
 
 type AddResultSummary int
@@ -48,29 +43,19 @@ type RawChangesPayload struct {
 type ChangeIterateFunc = func(change *Change) bool
 type ChangeConvertFunc = func(decrypted []byte) (any, error)
 
-type ReadableObjectTree interface {
+type ObjectTree interface {
 	RWLocker
 
 	Id() string
 	Header() *treechangeproto.RawTreeChangeWithId
 	UnmarshalledHeader() *Change
-	ChangeInfo() *treechangeproto.TreeChangeInfo
 	Heads() []string
 	Root() *Change
-	Len() int
-
-	AclList() list.AclList
-
 	HasChanges(...string) bool
-	GetChange(string) (*Change, error)
+	DebugDump(parser DescriptionParser) (string, error)
 
-	Debug(parser DescriptionParser) (DebugInfo, error)
 	IterateRoot(convert ChangeConvertFunc, iterate ChangeIterateFunc) error
 	IterateFrom(id string, convert ChangeConvertFunc, iterate ChangeIterateFunc) error
-}
-
-type ObjectTree interface {
-	ReadableObjectTree
 
 	SnapshotPath() []string
 	ChangesAfterCommonSnapshot(snapshotPath, heads []string) ([]*treechangeproto.RawTreeChangeWithId, error)
@@ -80,12 +65,8 @@ type ObjectTree interface {
 	AddContent(ctx context.Context, content SignableChangeContent) (AddResult, error)
 	AddRawChanges(ctx context.Context, changes RawChangesPayload) (AddResult, error)
 
-	UnpackChange(raw *treechangeproto.RawTreeChangeWithId) (data []byte, err error)
-	PrepareChange(content SignableChangeContent) (res *treechangeproto.RawTreeChangeWithId, err error)
-
 	Delete() error
 	Close() error
-	TryClose(objectTTL time.Duration) (bool, error)
 }
 
 type objectTree struct {
@@ -94,15 +75,14 @@ type objectTree struct {
 	validator       ObjectTreeValidator
 	rawChangeLoader *rawChangeLoader
 	treeBuilder     *treeBuilder
-	aclList         list.AclList
+	aclList         list2.AclList
 
 	id      string
 	rawRoot *treechangeproto.RawTreeChangeWithId
 	root    *Change
 	tree    *Tree
 
-	keys           map[string]crypto.SymKey
-	currentReadKey crypto.SymKey
+	keys map[uint64]*symmetric.Key
 
 	// buffers
 	difSnapshotBuf  []*treechangeproto.RawTreeChangeWithId
@@ -115,26 +95,41 @@ type objectTree struct {
 	sync.RWMutex
 }
 
+type objectTreeDeps struct {
+	changeBuilder   ChangeBuilder
+	treeBuilder     *treeBuilder
+	treeStorage     treestorage.TreeStorage
+	validator       ObjectTreeValidator
+	rawChangeLoader *rawChangeLoader
+	aclList         list2.AclList
+}
+
+func defaultObjectTreeDeps(
+	rootChange *treechangeproto.RawTreeChangeWithId,
+	treeStorage treestorage.TreeStorage,
+	aclList list2.AclList) objectTreeDeps {
+
+	keychain := keychain.NewKeychain()
+	changeBuilder := NewChangeBuilder(keychain, rootChange)
+	treeBuilder := newTreeBuilder(treeStorage, changeBuilder)
+	return objectTreeDeps{
+		changeBuilder:   changeBuilder,
+		treeBuilder:     treeBuilder,
+		treeStorage:     treeStorage,
+		validator:       newTreeValidator(),
+		rawChangeLoader: newRawChangeLoader(treeStorage, changeBuilder),
+		aclList:         aclList,
+	}
+}
+
 func (ot *objectTree) rebuildFromStorage(theirHeads []string, newChanges []*Change) (err error) {
-	oldTree := ot.tree
 	ot.treeBuilder.Reset()
+
 	ot.tree, err = ot.treeBuilder.Build(theirHeads, newChanges)
 	if err != nil {
 		return
 	}
 
-	// in case there are new heads
-	if theirHeads != nil && oldTree != nil {
-		// checking that old root is still in tree
-		rootCh, rootExists := ot.tree.attached[oldTree.RootId()]
-
-		// checking the case where theirHeads were actually below prevHeads
-		// so if we did load some extra data in the tree, let's reduce it to old root
-		if slice.UnsortedEquals(oldTree.headIds, ot.tree.headIds) && rootExists && ot.tree.RootId() != oldTree.RootId() {
-			ot.tree.makeRootAndRemove(rootCh)
-		}
-	}
-
 	// during building the tree we may have marked some changes as possible roots,
 	// but obviously they are not roots, because of the way how we construct the tree
 	ot.tree.clearPossibleRoots()
@@ -148,14 +143,6 @@ func (ot *objectTree) Id() string {
 	return ot.id
 }
 
-func (ot *objectTree) Len() int {
-	return ot.tree.Len()
-}
-
-func (ot *objectTree) AclList() list.AclList {
-	return ot.aclList
-}
-
 func (ot *objectTree) Header() *treechangeproto.RawTreeChangeWithId {
 	return ot.rawRoot
 }
@@ -164,21 +151,10 @@ func (ot *objectTree) UnmarshalledHeader() *Change {
 	return ot.root
 }
 
-func (ot *objectTree) ChangeInfo() *treechangeproto.TreeChangeInfo {
-	return ot.root.Model.(*treechangeproto.TreeChangeInfo)
-}
-
 func (ot *objectTree) Storage() treestorage.TreeStorage {
 	return ot.treeStorage
 }
 
-func (ot *objectTree) GetChange(id string) (*Change, error) {
-	if ch, ok := ot.tree.attached[id]; ok {
-		return ch, nil
-	}
-	return nil, ErrNoChangeInTree
-}
-
 func (ot *objectTree) AddContent(ctx context.Context, content SignableChangeContent) (res AddResult, err error) {
 	payload, err := ot.prepareBuilderContent(content)
 	if err != nil {
@@ -189,7 +165,7 @@ func (ot *objectTree) AddContent(ctx context.Context, content SignableChangeCont
 	oldHeads := make([]string, 0, len(ot.tree.Heads()))
 	oldHeads = append(oldHeads, ot.tree.Heads()...)
 
-	objChange, rawChange, err := ot.changeBuilder.Build(payload)
+	objChange, rawChange, err := ot.changeBuilder.BuildContent(payload)
 	if content.IsSnapshot {
 		// clearing tree, because we already saved everything in the last snapshot
 		ot.tree = &Tree{}
@@ -199,90 +175,65 @@ func (ot *objectTree) AddContent(ctx context.Context, content SignableChangeCont
 		panic(err)
 	}
 
-	err = ot.treeStorage.AddRawChangesSetHeads([]*treechangeproto.RawTreeChangeWithId{rawChange}, []string{objChange.Id})
+	err = ot.treeStorage.AddRawChange(rawChange)
 	if err != nil {
 		return
 	}
 
-	mode := Append
-	if content.IsSnapshot {
-		mode = Rebuild
+	err = ot.treeStorage.SetHeads([]string{objChange.Id})
+	if err != nil {
+		return
 	}
 
 	res = AddResult{
 		OldHeads: oldHeads,
 		Heads:    []string{objChange.Id},
 		Added:    []*treechangeproto.RawTreeChangeWithId{rawChange},
-		Mode:     mode,
+		Mode:     Append,
 	}
 	log.With("treeId", ot.id).With("head", objChange.Id).
 		Debug("finished adding content")
 	return
 }
 
-func (ot *objectTree) UnpackChange(raw *treechangeproto.RawTreeChangeWithId) (data []byte, err error) {
-	unmarshalled, err := ot.changeBuilder.Unmarshall(raw, true)
-	if err != nil {
-		return
-	}
-	data = unmarshalled.Data
-	return
-}
-
-func (ot *objectTree) PrepareChange(content SignableChangeContent) (res *treechangeproto.RawTreeChangeWithId, err error) {
-	payload, err := ot.prepareBuilderContent(content)
-	if err != nil {
-		return
-	}
-	_, res, err = ot.changeBuilder.Build(payload)
-	return
-}
-
 func (ot *objectTree) prepareBuilderContent(content SignableChangeContent) (cnt BuilderContent, err error) {
 	ot.aclList.RLock()
 	defer ot.aclList.RUnlock()
 
 	var (
-		state     = ot.aclList.AclState() // special method for own keys
-		readKey   crypto.SymKey
-		pubKey    = content.Key.GetPublic()
-		readKeyId string
+		state       = ot.aclList.AclState() // special method for own keys
+		readKey     *symmetric.Key
+		readKeyHash uint64
 	)
-	canWrite := state.HasPermission(pubKey, aclrecordproto.AclUserPermissions_Writer) ||
-		state.HasPermission(pubKey, aclrecordproto.AclUserPermissions_Admin)
+	canWrite := state.HasPermission(content.Identity, aclrecordproto.AclUserPermissions_Writer) ||
+		state.HasPermission(content.Identity, aclrecordproto.AclUserPermissions_Admin)
 	if !canWrite {
-		err = list.ErrInsufficientPermissions
+		err = list2.ErrInsufficientPermissions
 		return
 	}
 
 	if content.IsEncrypted {
-		readKeyId = state.CurrentReadKeyId()
-		if ot.currentReadKey == nil {
-			err = ErrMissingKey
+		readKeyHash = state.CurrentReadKeyHash()
+		readKey, err = state.CurrentReadKey()
+		if err != nil {
 			return
 		}
-		readKey = ot.currentReadKey
-	}
-	timestamp := content.Timestamp
-	if timestamp <= 0 {
-		timestamp = time.Now().Unix()
 	}
 	cnt = BuilderContent{
-		TreeHeadIds:    ot.tree.Heads(),
-		AclHeadId:      ot.aclList.Head().Id,
-		SnapshotBaseId: ot.tree.RootId(),
-		ReadKeyId:      readKeyId,
-		IsSnapshot:     content.IsSnapshot,
-		PrivKey:        content.Key,
-		ReadKey:        readKey,
-		Content:        content.Data,
-		Timestamp:      timestamp,
+		TreeHeadIds:        ot.tree.Heads(),
+		AclHeadId:          ot.aclList.Head().Id,
+		SnapshotBaseId:     ot.tree.RootId(),
+		CurrentReadKeyHash: readKeyHash,
+		Identity:           content.Identity,
+		IsSnapshot:         content.IsSnapshot,
+		SigningKey:         content.Key,
+		ReadKey:            readKey,
+		Content:            content.Data,
 	}
 	return
 }
 
 func (ot *objectTree) AddRawChanges(ctx context.Context, changesPayload RawChangesPayload) (addResult AddResult, err error) {
-	lastHeadId := ot.tree.lastIteratedHeadId
 	addResult, err = ot.addRawChanges(ctx, changesPayload)
 	if err != nil {
 		return
@@ -291,16 +242,16 @@ func (ot *objectTree) AddRawChanges(ctx context.Context, changesPayload RawChang
 	// reducing tree if we have new roots
 	ot.tree.reduceTree()
 
-	// that means that we removed the ids while reducing
-	if _, exists := ot.tree.attached[lastHeadId]; !exists {
-		addResult.Mode = Rebuild
+	// adding to database all the added changes only after they are good
+	for _, ch := range addResult.Added {
+		err = ot.treeStorage.AddRawChange(ch)
+		if err != nil {
+			return
+		}
 	}
 
-	err = ot.treeStorage.AddRawChangesSetHeads(addResult.Added, addResult.Heads)
-	if err != nil {
-		// rolling back all changes made to inmemory state
-		ot.rebuildFromStorage(nil, nil)
-	}
+	// setting heads
+	err = ot.treeStorage.SetHeads(ot.tree.Heads())
 	return
 }
 
@@ -331,7 +282,7 @@ func (ot *objectTree) addRawChanges(ctx context.Context, changesPayload RawChang
 		if unAttached, exists := ot.tree.unAttached[ch.Id]; exists {
 			change = unAttached
 		} else {
-			change, err = ot.changeBuilder.Unmarshall(ch, true)
+			change, err = ot.changeBuilder.ConvertFromRaw(ch, true)
 			if err != nil {
 				return
 			}
@@ -363,7 +314,7 @@ func (ot *objectTree) addRawChanges(ctx context.Context, changesPayload RawChang
 	}
 
 	// checks if we need to go to database
-	snapshotNotInTree := func(ch *Change) bool {
+	isOldSnapshot := func(ch *Change) bool {
 		if ch.SnapshotId == ot.tree.RootId() {
 			return false
 		}
@@ -378,12 +329,26 @@ func (ot *objectTree) addRawChanges(ctx context.Context, changesPayload RawChang
 
 	shouldRebuildFromStorage := false
 	// checking if we have some changes with different snapshot and then rebuilding
-	for _, ch := range ot.newChangesBuf {
-		if snapshotNotInTree(ch) {
+	for idx, ch := range ot.newChangesBuf {
+		if isOldSnapshot(ch) {
+			var exists bool
+			// checking if it exists in the storage, if yes, then at some point it was added to the tree
+			// thus we don't need to look at this change
+			exists, err = ot.treeStorage.HasChange(ctx, ch.Id)
+			if err != nil {
+				return
+			}
+			if exists {
+				// marking as nil to delete after
+				ot.newChangesBuf[idx] = nil
+				continue
+			}
+			// we haven't seen the change, and it refers to old snapshot, so we should rebuild
 			shouldRebuildFromStorage = true
-			break
 		}
 	}
+	// discarding all previously seen changes
+	ot.newChangesBuf = slice.DiscardFromSlice(ot.newChangesBuf, func(ch *Change) bool { return ch == nil })
 
 	if shouldRebuildFromStorage {
 		err = ot.rebuildFromStorage(changesPayload.NewHeads, ot.newChangesBuf)
@@ -468,7 +433,7 @@ func (ot *objectTree) createAddResult(oldHeads []string, mode Mode, treeChangesA
 			// if we got some changes that we need to convert to raw
 			if _, exists := alreadyConverted[ch]; !exists {
 				var raw *treechangeproto.RawTreeChangeWithId
-				raw, err = ot.changeBuilder.Marshall(ch)
+				raw, err = ot.changeBuilder.BuildRaw(ch)
 				if err != nil {
 					return
 				}
@@ -480,11 +445,6 @@ func (ot *objectTree) createAddResult(oldHeads []string, mode Mode, treeChangesA
 
 	var added []*treechangeproto.RawTreeChangeWithId
 	added, err = getAddedChanges(treeChangesAdded)
-	if !ot.treeBuilder.keepInMemoryData {
-		for _, ch := range treeChangesAdded {
-			ch.Data = nil
-		}
-	}
 	if err != nil {
 		return
 	}
@@ -508,13 +468,13 @@ func (ot *objectTree) IterateFrom(id string, convert ChangeConvertFunc, iterate
 	}
 	decrypt := func(c *Change) (decrypted []byte, err error) {
 		// the change is not encrypted
-		if c.ReadKeyId == "" {
+		if c.ReadKeyHash == 0 {
 			decrypted = c.Data
 			return
 		}
-		readKey, exists := ot.keys[c.ReadKeyId]
+		readKey, exists := ot.keys[c.ReadKeyHash]
 		if !exists {
-			err = list.ErrNoReadKey
+			err = list2.ErrNoReadKey
 			return
 		}
 
@@ -551,8 +511,22 @@ func (ot *objectTree) IterateFrom(id string, convert ChangeConvertFunc, iterate
 }
 
 func (ot *objectTree) HasChanges(chs ...string) bool {
+	hasChange := func(s string) bool {
+		_, attachedExists := ot.tree.attached[s]
+		if attachedExists {
+			return attachedExists
+		}
+
+		has, err := ot.treeStorage.HasChange(context.Background(), s)
+		if err != nil {
+			return false
+		}
+
+		return has
+	}
+
 	for _, ch := range chs {
-		if _, attachedExists := ot.tree.attached[ch]; !attachedExists {
+		if !hasChange(ch) {
 			return false
 		}
 	}
@@ -568,10 +542,6 @@ func (ot *objectTree) Root() *Change {
 	return ot.tree.Root()
 }
 
-func (ot *objectTree) TryClose(objectTTL time.Duration) (bool, error) {
-	return true, ot.Close()
-}
-
 func (ot *objectTree) Close() error {
 	return nil
 }
@@ -619,7 +589,19 @@ func (ot *objectTree) ChangesAfterCommonSnapshot(theirPath, theirHeads []string)
 		}
 	}
 
-	return ot.rawChangeLoader.Load(commonSnapshot, ot.tree, theirHeads)
+	if commonSnapshot == ot.tree.RootId() {
+		return ot.getChangesFromTree(theirHeads)
+	} else {
+		return ot.getChangesFromDB(commonSnapshot, theirHeads)
+	}
+}
+
+func (ot *objectTree) getChangesFromTree(theirHeads []string) (rawChanges []*treechangeproto.RawTreeChangeWithId, err error) {
+	return ot.rawChangeLoader.LoadFromTree(ot.tree, theirHeads)
+}
+
+func (ot *objectTree) getChangesFromDB(commonSnapshot string, theirHeads []string) (rawChanges []*treechangeproto.RawTreeChangeWithId, err error) {
+	return ot.rawChangeLoader.LoadFromStorage(commonSnapshot, ot.tree.headIds, theirHeads)
 }
 
 func (ot *objectTree) snapshotPathIsActual() bool {
@@ -631,9 +613,11 @@ func (ot *objectTree) validateTree(newChanges []*Change) error {
 	defer ot.aclList.RUnlock()
 	state := ot.aclList.AclState()
 
-	err := ot.readKeysFromAclState(state)
-	if err != nil {
-		return err
+	// just not to take lock many times, updating the key map from aclList
+	if len(ot.keys) != len(state.UserReadKeys()) {
+		for key, value := range state.UserReadKeys() {
+			ot.keys[key] = value
+		}
 	}
 	if len(newChanges) == 0 {
 		return ot.validator.ValidateFullTree(ot.tree, ot.aclList)
@@ -642,26 +626,6 @@ func (ot *objectTree) validateTree(newChanges []*Change) error {
 	return ot.validator.ValidateNewChanges(ot.tree, ot.aclList, newChanges)
 }
 
-func (ot *objectTree) readKeysFromAclState(state *list.AclState) (err error) {
-	// just not to take lock many times, updating the key map from aclList
-	if len(ot.keys) == len(state.UserReadKeys()) {
-		return nil
-	}
-	for key, value := range state.UserReadKeys() {
-		treeKey, err := deriveTreeKey(value, ot.id)
-		if err != nil {
-			return err
-		}
-		ot.keys[key] = treeKey
-	}
-	curKey, err := state.CurrentReadKey()
-	if err != nil {
-		return err
-	}
-	ot.currentReadKey, err = deriveTreeKey(curKey, ot.id)
-	return err
-}
-
-func (ot *objectTree) Debug(parser DescriptionParser) (DebugInfo, error) {
-	return objectTreeDebug{}.debugInfo(ot, parser)
+func (ot *objectTree) DebugDump(parser DescriptionParser) (string, error) {
+	return ot.tree.Graph(parser)
 }

commonspace/object/tree/objecttree/objecttree_test.go

@@ -2,73 +2,133 @@ package objecttree
 
 import (
 	"context"
-	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/gogo/protobuf/proto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/list"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/testutils/acllistbuilder"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"testing"
-	"time"
 )
 
+type mockChangeCreator struct{}
+
+func (c *mockChangeCreator) createRoot(id, aclId string) *treechangeproto.RawTreeChangeWithId {
+	aclChange := &treechangeproto.RootChange{
+		AclHeadId: aclId,
+	}
+	res, _ := aclChange.Marshal()
+
+	raw := &treechangeproto.RawTreeChange{
+		Payload:   res,
+		Signature: nil,
+	}
+	rawMarshalled, _ := raw.Marshal()
+
+	return &treechangeproto.RawTreeChangeWithId{
+		RawChange: rawMarshalled,
+		Id:        id,
+	}
+}
+
+func (c *mockChangeCreator) createRaw(id, aclId, snapshotId string, isSnapshot bool, prevIds ...string) *treechangeproto.RawTreeChangeWithId {
+	aclChange := &treechangeproto.TreeChange{
+		TreeHeadIds:    prevIds,
+		AclHeadId:      aclId,
+		SnapshotBaseId: snapshotId,
+		ChangesData:    nil,
+		IsSnapshot:     isSnapshot,
+	}
+	res, _ := aclChange.Marshal()
+
+	raw := &treechangeproto.RawTreeChange{
+		Payload:   res,
+		Signature: nil,
+	}
+	rawMarshalled, _ := raw.Marshal()
+
+	return &treechangeproto.RawTreeChangeWithId{
+		RawChange: rawMarshalled,
+		Id:        id,
+	}
+}
+
+func (c *mockChangeCreator) createNewTreeStorage(treeId, aclHeadId string) treestorage.TreeStorage {
+	root := c.createRoot(treeId, aclHeadId)
+	treeStorage, _ := treestorage.NewInMemoryTreeStorage(root, []string{root.Id}, []*treechangeproto.RawTreeChangeWithId{root})
+	return treeStorage
+}
+
+type mockChangeBuilder struct {
+	originalBuilder ChangeBuilder
+}
+
+func (c *mockChangeBuilder) BuildInitialContent(payload InitialContent) (ch *Change, raw *treechangeproto.RawTreeChangeWithId, err error) {
+	panic("implement me")
+}
+
+func (c *mockChangeBuilder) SetRootRawChange(rawIdChange *treechangeproto.RawTreeChangeWithId) {
+	c.originalBuilder.SetRootRawChange(rawIdChange)
+}
+
+func (c *mockChangeBuilder) ConvertFromRaw(rawChange *treechangeproto.RawTreeChangeWithId, verify bool) (ch *Change, err error) {
+	return c.originalBuilder.ConvertFromRaw(rawChange, false)
+}
+
+func (c *mockChangeBuilder) BuildContent(payload BuilderContent) (ch *Change, raw *treechangeproto.RawTreeChangeWithId, err error) {
+	panic("implement me")
+}
+
+func (c *mockChangeBuilder) BuildRaw(ch *Change) (raw *treechangeproto.RawTreeChangeWithId, err error) {
+	return c.originalBuilder.BuildRaw(ch)
+}
+
+type mockChangeValidator struct{}
+
+func (m *mockChangeValidator) ValidateNewChanges(tree *Tree, aclList list.AclList, newChanges []*Change) error {
+	return nil
+}
+
+func (m *mockChangeValidator) ValidateFullTree(tree *Tree, aclList list.AclList) error {
+	return nil
+}
+
 type testTreeContext struct {
 	aclList       list.AclList
 	treeStorage   treestorage.TreeStorage
-	changeCreator *MockChangeCreator
+	changeBuilder *mockChangeBuilder
+	changeCreator *mockChangeCreator
 	objTree       ObjectTree
 }
 
-func prepareAclList(t *testing.T) (list.AclList, *accountdata.AccountKeys) {
-	randKeys, err := accountdata.NewRandom()
-	require.NoError(t, err)
-	aclList, err := list.NewTestDerivedAcl("spaceId", randKeys)
+func prepareAclList(t *testing.T) list.AclList {
+	st, err := acllistbuilder.NewListStorageWithTestName("userjoinexample.yml")
+	require.NoError(t, err, "building storage should not result in error")
+
+	aclList, err := list.BuildAclList(st)
 	require.NoError(t, err, "building acl list should be without error")
 
-	return aclList, randKeys
-}
-
-func prepareHistoryTreeDeps(aclList list.AclList) (*MockChangeCreator, objectTreeDeps) {
-	changeCreator := NewMockChangeCreator()
-	treeStorage := changeCreator.CreateNewTreeStorage("0", aclList.Head().Id)
-	root, _ := treeStorage.Root()
-	changeBuilder := &nonVerifiableChangeBuilder{
-		ChangeBuilder: NewChangeBuilder(newMockKeyStorage(), root),
-	}
-	deps := objectTreeDeps{
-		changeBuilder:   changeBuilder,
-		treeBuilder:     newTreeBuilder(true, treeStorage, changeBuilder),
-		treeStorage:     treeStorage,
-		rawChangeLoader: newRawChangeLoader(treeStorage, changeBuilder),
-		validator:       &noOpTreeValidator{},
-		aclList:         aclList,
-	}
-	return changeCreator, deps
+	return aclList
 }
 
 func prepareTreeContext(t *testing.T, aclList list.AclList) testTreeContext {
-	return prepareContext(t, aclList, BuildTestableTree, nil)
-}
-
-func prepareEmptyDataTreeContext(t *testing.T, aclList list.AclList, additionalChanges func(changeCreator *MockChangeCreator) RawChangesPayload) testTreeContext {
-	return prepareContext(t, aclList, BuildEmptyDataTestableTree, additionalChanges)
-}
-
-func prepareContext(
-	t *testing.T,
-	aclList list.AclList,
-	objTreeBuilder BuildObjectTreeFunc,
-	additionalChanges func(changeCreator *MockChangeCreator) RawChangesPayload) testTreeContext {
-	changeCreator := NewMockChangeCreator()
-	treeStorage := changeCreator.CreateNewTreeStorage("0", aclList.Head().Id)
-	if additionalChanges != nil {
-		payload := additionalChanges(changeCreator)
-		err := treeStorage.AddRawChangesSetHeads(payload.RawChanges, payload.NewHeads)
-		require.NoError(t, err)
+	changeCreator := &mockChangeCreator{}
+	treeStorage := changeCreator.createNewTreeStorage("0", aclList.Head().Id)
+	root, _ := treeStorage.Root()
+	changeBuilder := &mockChangeBuilder{
+		originalBuilder: NewChangeBuilder(nil, root),
 	}
-	objTree, err := objTreeBuilder(treeStorage, aclList)
+	deps := objectTreeDeps{
+		changeBuilder:   changeBuilder,
+		treeBuilder:     newTreeBuilder(treeStorage, changeBuilder),
+		treeStorage:     treeStorage,
+		rawChangeLoader: newRawChangeLoader(treeStorage, changeBuilder),
+		validator:       &mockChangeValidator{},
+		aclList:         aclList,
+	}
+
+	// check build
+	objTree, err := buildObjectTree(deps)
 	require.NoError(t, err, "building tree should be without error")
 
 	// check tree iterate
@@ -78,69 +138,18 @@ func prepareContext(
 		return true
 	})
 	require.NoError(t, err, "iterate should be without error")
-	if additionalChanges == nil {
-		assert.Equal(t, []string{"0"}, iterChangesId)
-	}
+	assert.Equal(t, []string{"0"}, iterChangesId)
 	return testTreeContext{
 		aclList:       aclList,
 		treeStorage:   treeStorage,
+		changeBuilder: changeBuilder,
 		changeCreator: changeCreator,
 		objTree:       objTree,
 	}
 }
 
 func TestObjectTree(t *testing.T) {
-	aclList, keys := prepareAclList(t)
-	ctx := context.Background()
-
-	t.Run("add content", func(t *testing.T) {
-		root, err := CreateObjectTreeRoot(ObjectTreeCreatePayload{
-			PrivKey:       keys.SignKey,
-			ChangeType:    "changeType",
-			ChangePayload: nil,
-			SpaceId:       "spaceId",
-			IsEncrypted:   true,
-		}, aclList)
-		require.NoError(t, err)
-		store, _ := treestorage.NewInMemoryTreeStorage(root, []string{root.Id}, []*treechangeproto.RawTreeChangeWithId{root})
-		oTree, err := BuildObjectTree(store, aclList)
-		require.NoError(t, err)
-
-		t.Run("0 timestamp is changed to current", func(t *testing.T) {
-			start := time.Now()
-			res, err := oTree.AddContent(ctx, SignableChangeContent{
-				Data:        []byte("some"),
-				Key:         keys.SignKey,
-				IsSnapshot:  false,
-				IsEncrypted: true,
-				Timestamp:   0,
-			})
-			end := time.Now()
-			require.NoError(t, err)
-			require.Len(t, oTree.Heads(), 1)
-			require.Equal(t, res.Added[0].Id, oTree.Heads()[0])
-			ch, err := oTree.(*objectTree).changeBuilder.Unmarshall(res.Added[0], true)
-			require.NoError(t, err)
-			require.GreaterOrEqual(t, start.Unix(), ch.Timestamp)
-			require.LessOrEqual(t, end.Unix(), ch.Timestamp)
-		})
-		t.Run("timestamp is set correctly", func(t *testing.T) {
-			someTs := time.Now().Add(time.Hour).Unix()
-			res, err := oTree.AddContent(ctx, SignableChangeContent{
-				Data:        []byte("some"),
-				Key:         keys.SignKey,
-				IsSnapshot:  false,
-				IsEncrypted: true,
-				Timestamp:   someTs,
-			})
-			require.NoError(t, err)
-			require.Len(t, oTree.Heads(), 1)
-			require.Equal(t, res.Added[0].Id, oTree.Heads()[0])
-			ch, err := oTree.(*objectTree).changeBuilder.Unmarshall(res.Added[0], true)
-			require.NoError(t, err)
-			require.Equal(t, ch.Timestamp, someTs)
-		})
-	})
+	aclList := prepareAclList(t)
 
 	t.Run("add simple", func(t *testing.T) {
 		ctx := prepareTreeContext(t, aclList)
@@ -149,8 +158,8 @@ func TestObjectTree(t *testing.T) {
 		objTree := ctx.objTree
 
 		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("1", aclList.Head().Id, "0", false, "0"),
+			changeCreator.createRaw("2", aclList.Head().Id, "0", false, "1"),
 		}
 		payload := RawChangesPayload{
 			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
@@ -194,7 +203,7 @@ func TestObjectTree(t *testing.T) {
 		objTree := ctx.objTree
 
 		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("0", aclList.Head().Id, "", true, ""),
+			changeCreator.createRaw("0", aclList.Head().Id, "", true, ""),
 		}
 		payload := RawChangesPayload{
 			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
@@ -218,33 +227,7 @@ func TestObjectTree(t *testing.T) {
 		objTree := ctx.objTree
 
 		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-		}
-		payload := RawChangesPayload{
-			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
-			RawChanges: rawChanges,
-		}
-		res, err := objTree.AddRawChanges(context.Background(), payload)
-		require.NoError(t, err, "adding changes should be without error")
-
-		// check result
-		assert.Equal(t, []string{"0"}, res.OldHeads)
-		assert.Equal(t, []string{"0"}, res.Heads)
-		assert.Equal(t, 0, len(res.Added))
-		assert.Equal(t, Nothing, res.Mode)
-
-		// check tree heads
-		assert.Equal(t, []string{"0"}, objTree.Heads())
-	})
-
-	t.Run("add not connected changes", func(t *testing.T) {
-		ctx := prepareTreeContext(t, aclList)
-		changeCreator := ctx.changeCreator
-		objTree := ctx.objTree
-
-		// this change could in theory replace current snapshot, we should prevent that
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", true, "1"),
+			changeCreator.createRaw("2", aclList.Head().Id, "0", false, "1"),
 		}
 		payload := RawChangesPayload{
 			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
@@ -270,10 +253,10 @@ func TestObjectTree(t *testing.T) {
 		objTree := ctx.objTree
 
 		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
-			changeCreator.CreateRaw("4", aclList.Head().Id, "3", false, "3"),
+			changeCreator.createRaw("1", aclList.Head().Id, "0", false, "0"),
+			changeCreator.createRaw("2", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("3", aclList.Head().Id, "0", true, "2"),
+			changeCreator.createRaw("4", aclList.Head().Id, "3", false, "3"),
 		}
 		payload := RawChangesPayload{
 			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
@@ -287,8 +270,7 @@ func TestObjectTree(t *testing.T) {
 		assert.Equal(t, []string{"0"}, res.OldHeads)
 		assert.Equal(t, []string{"4"}, res.Heads)
 		assert.Equal(t, len(rawChanges), len(res.Added))
-		// here we have rebuild, because we reduced tree to new snapshot
-		assert.Equal(t, Rebuild, res.Mode)
+		assert.Equal(t, Append, res.Mode)
 
 		// check tree heads
 		assert.Equal(t, []string{"4"}, objTree.Heads())
@@ -320,9 +302,9 @@ func TestObjectTree(t *testing.T) {
 		objTree := ctx.objTree
 
 		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
+			changeCreator.createRaw("1", aclList.Head().Id, "0", false, "0"),
+			changeCreator.createRaw("2", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("3", aclList.Head().Id, "0", true, "2"),
 		}
 		payload := RawChangesPayload{
 			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
@@ -338,195 +320,18 @@ func TestObjectTree(t *testing.T) {
 		assert.Equal(t, true, objTree.(*objectTree).snapshotPathIsActual())
 	})
 
-	t.Run("test empty data tree", func(t *testing.T) {
-		t.Run("empty tree add", func(t *testing.T) {
-			ctx := prepareEmptyDataTreeContext(t, aclList, nil)
-			changeCreator := ctx.changeCreator
-			objTree := ctx.objTree
-
-			rawChangesFirst := []*treechangeproto.RawTreeChangeWithId{
-				changeCreator.CreateRawWithData("1", aclList.Head().Id, "0", false, []byte("1"), "0"),
-				changeCreator.CreateRawWithData("2", aclList.Head().Id, "0", false, []byte("2"), "1"),
-				changeCreator.CreateRawWithData("3", aclList.Head().Id, "0", false, []byte("3"), "2"),
-			}
-			rawChangesSecond := []*treechangeproto.RawTreeChangeWithId{
-				changeCreator.CreateRawWithData("4", aclList.Head().Id, "0", false, []byte("4"), "2"),
-				changeCreator.CreateRawWithData("5", aclList.Head().Id, "0", false, []byte("5"), "1"),
-				changeCreator.CreateRawWithData("6", aclList.Head().Id, "0", false, []byte("6"), "3", "4", "5"),
-			}
-
-			// making them to be saved in unattached
-			_, err := objTree.AddRawChanges(context.Background(), RawChangesPayload{
-				NewHeads:   []string{"6"},
-				RawChanges: rawChangesSecond,
-			})
-			require.NoError(t, err, "adding changes should be without error")
-			// attaching them
-			res, err := objTree.AddRawChanges(context.Background(), RawChangesPayload{
-				NewHeads:   []string{"3"},
-				RawChanges: rawChangesFirst,
-			})
-
-			require.NoError(t, err, "adding changes should be without error")
-			require.Equal(t, "0", objTree.Root().Id)
-			require.Equal(t, []string{"6"}, objTree.Heads())
-			require.Equal(t, 6, len(res.Added))
-
-			// checking that added changes still have data
-			for _, ch := range res.Added {
-				unmarshallRaw := &treechangeproto.RawTreeChange{}
-				proto.Unmarshal(ch.RawChange, unmarshallRaw)
-				treeCh := &treechangeproto.TreeChange{}
-				proto.Unmarshal(unmarshallRaw.Payload, treeCh)
-				require.Equal(t, ch.Id, string(treeCh.ChangesData))
-			}
-
-			// checking that the tree doesn't have data in memory
-			err = objTree.IterateRoot(nil, func(change *Change) bool {
-				if change.Id == "0" {
-					return true
-				}
-				require.Nil(t, change.Data)
-				return true
-			})
-		})
-
-		t.Run("empty tree load", func(t *testing.T) {
-			ctx := prepareEmptyDataTreeContext(t, aclList, func(changeCreator *MockChangeCreator) RawChangesPayload {
-				rawChanges := []*treechangeproto.RawTreeChangeWithId{
-					changeCreator.CreateRawWithData("1", aclList.Head().Id, "0", false, []byte("1"), "0"),
-					changeCreator.CreateRawWithData("2", aclList.Head().Id, "0", false, []byte("2"), "1"),
-					changeCreator.CreateRawWithData("3", aclList.Head().Id, "0", false, []byte("3"), "2"),
-					changeCreator.CreateRawWithData("4", aclList.Head().Id, "0", false, []byte("4"), "2"),
-					changeCreator.CreateRawWithData("5", aclList.Head().Id, "0", false, []byte("5"), "1"),
-					changeCreator.CreateRawWithData("6", aclList.Head().Id, "0", false, []byte("6"), "3", "4", "5"),
-				}
-				return RawChangesPayload{NewHeads: []string{"6"}, RawChanges: rawChanges}
-			})
-			ctx.objTree.IterateRoot(nil, func(change *Change) bool {
-				if change.Id == "0" {
-					return true
-				}
-				require.Nil(t, change.Data)
-				return true
-			})
-			rawChanges, err := ctx.objTree.ChangesAfterCommonSnapshot([]string{"0"}, []string{"6"})
-			require.NoError(t, err)
-			for _, ch := range rawChanges {
-				unmarshallRaw := &treechangeproto.RawTreeChange{}
-				proto.Unmarshal(ch.RawChange, unmarshallRaw)
-				treeCh := &treechangeproto.TreeChange{}
-				proto.Unmarshal(unmarshallRaw.Payload, treeCh)
-				require.Equal(t, ch.Id, string(treeCh.ChangesData))
-			}
-		})
-	})
-
-	t.Run("rollback when add to storage returns error", func(t *testing.T) {
-		ctx := prepareTreeContext(t, aclList)
-		changeCreator := ctx.changeCreator
-		objTree := ctx.objTree
-		store := ctx.treeStorage.(*treestorage.InMemoryTreeStorage)
-		addErr := fmt.Errorf("error saving")
-		store.SetReturnErrorOnAdd(addErr)
-
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", true, "0"),
-		}
-		payload := RawChangesPayload{
-			NewHeads:   []string{"1"},
-			RawChanges: rawChanges,
-		}
-		_, err := objTree.AddRawChanges(context.Background(), payload)
-		require.Error(t, err, addErr)
-		require.Equal(t, "0", objTree.Root().Id)
-	})
-
-	t.Run("their heads before common snapshot", func(t *testing.T) {
-		// checking that adding old changes did not affect the tree
-		ctx := prepareTreeContext(t, aclList)
-		changeCreator := ctx.changeCreator
-		objTree := ctx.objTree
-
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", true, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "1", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "1", true, "2"),
-			changeCreator.CreateRaw("4", aclList.Head().Id, "1", false, "2"),
-			changeCreator.CreateRaw("5", aclList.Head().Id, "1", false, "1"),
-			changeCreator.CreateRaw("6", aclList.Head().Id, "1", true, "3", "4", "5"),
-		}
-		payload := RawChangesPayload{
-			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
-			RawChanges: rawChanges,
-		}
-		_, err := objTree.AddRawChanges(context.Background(), payload)
-		require.NoError(t, err, "adding changes should be without error")
-		require.Equal(t, "6", objTree.Root().Id)
-
-		rawChangesPrevious := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", true, "0"),
-		}
-		payload = RawChangesPayload{
-			NewHeads:   []string{"1"},
-			RawChanges: rawChangesPrevious,
-		}
-		_, err = objTree.AddRawChanges(context.Background(), payload)
-		require.NoError(t, err, "adding changes should be without error")
-		require.Equal(t, "6", objTree.Root().Id)
-	})
-
-	t.Run("stored changes will not break the pipeline if heads were not updated", func(t *testing.T) {
-		ctx := prepareTreeContext(t, aclList)
-		changeCreator := ctx.changeCreator
-		objTree := ctx.objTree
-		store := ctx.treeStorage.(*treestorage.InMemoryTreeStorage)
-
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", true, "0"),
-		}
-		payload := RawChangesPayload{
-			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
-			RawChanges: rawChanges,
-		}
-		_, err := objTree.AddRawChanges(context.Background(), payload)
-		require.NoError(t, err, "adding changes should be without error")
-		require.Equal(t, "1", objTree.Root().Id)
-
-		// creating changes to save in the storage
-		// to imitate the condition where all changes are in the storage
-		// but the head was not updated
-		storageChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("2", aclList.Head().Id, "1", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "1", true, "2"),
-			changeCreator.CreateRaw("4", aclList.Head().Id, "1", false, "2"),
-			changeCreator.CreateRaw("5", aclList.Head().Id, "1", false, "1"),
-			changeCreator.CreateRaw("6", aclList.Head().Id, "1", true, "3", "4", "5"),
-		}
-		store.AddRawChangesSetHeads(storageChanges, []string{"1"})
-
-		// updating with subset of those changes to see that everything will still work
-		payload = RawChangesPayload{
-			NewHeads:   []string{"6"},
-			RawChanges: storageChanges,
-		}
-		_, err = objTree.AddRawChanges(context.Background(), payload)
-		require.NoError(t, err, "adding changes should be without error")
-		require.Equal(t, "6", objTree.Root().Id)
-	})
-
 	t.Run("changes from tree after common snapshot complex", func(t *testing.T) {
 		ctx := prepareTreeContext(t, aclList)
 		changeCreator := ctx.changeCreator
 		objTree := ctx.objTree
 
 		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
-			changeCreator.CreateRaw("4", aclList.Head().Id, "0", false, "2"),
-			changeCreator.CreateRaw("5", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("6", aclList.Head().Id, "0", false, "3", "4", "5"),
+			changeCreator.createRaw("1", aclList.Head().Id, "0", false, "0"),
+			changeCreator.createRaw("2", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("3", aclList.Head().Id, "0", true, "2"),
+			changeCreator.createRaw("4", aclList.Head().Id, "0", false, "2"),
+			changeCreator.createRaw("5", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("6", aclList.Head().Id, "0", false, "3", "4", "5"),
 		}
 
 		payload := RawChangesPayload{
@@ -600,13 +405,13 @@ func TestObjectTree(t *testing.T) {
 		objTree := ctx.objTree
 
 		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
-			changeCreator.CreateRaw("4", aclList.Head().Id, "0", false, "2"),
-			changeCreator.CreateRaw("5", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("1", aclList.Head().Id, "0", false, "0"),
+			changeCreator.createRaw("2", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("3", aclList.Head().Id, "0", true, "2"),
+			changeCreator.createRaw("4", aclList.Head().Id, "0", false, "2"),
+			changeCreator.createRaw("5", aclList.Head().Id, "0", false, "1"),
 			// main difference from tree example
-			changeCreator.CreateRaw("6", aclList.Head().Id, "0", true, "3", "4", "5"),
+			changeCreator.createRaw("6", aclList.Head().Id, "0", true, "3", "4", "5"),
 		}
 
 		payload := RawChangesPayload{
@@ -681,9 +486,9 @@ func TestObjectTree(t *testing.T) {
 		objTree := ctx.objTree
 
 		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
+			changeCreator.createRaw("1", aclList.Head().Id, "0", false, "0"),
+			changeCreator.createRaw("2", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("3", aclList.Head().Id, "0", true, "2"),
 		}
 		payload := RawChangesPayload{
 			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
@@ -695,9 +500,9 @@ func TestObjectTree(t *testing.T) {
 		require.Equal(t, "3", objTree.Root().Id)
 
 		rawChanges = []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("4", aclList.Head().Id, "0", false, "2"),
-			changeCreator.CreateRaw("5", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("6", aclList.Head().Id, "0", false, "3", "4", "5"),
+			changeCreator.createRaw("4", aclList.Head().Id, "0", false, "2"),
+			changeCreator.createRaw("5", aclList.Head().Id, "0", false, "1"),
+			changeCreator.createRaw("6", aclList.Head().Id, "0", false, "3", "4", "5"),
 		}
 		payload = RawChangesPayload{
 			NewHeads:   []string{rawChanges[len(rawChanges)-1].Id},
@@ -736,154 +541,4 @@ func TestObjectTree(t *testing.T) {
 			assert.Equal(t, ch, raw, "the changes in the storage should be the same")
 		}
 	})
-
-	t.Run("test history tree not include", func(t *testing.T) {
-		changeCreator, deps := prepareHistoryTreeDeps(aclList)
-
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
-			changeCreator.CreateRaw("4", aclList.Head().Id, "0", false, "2"),
-			changeCreator.CreateRaw("5", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("6", aclList.Head().Id, "0", false, "3", "4", "5"),
-		}
-		deps.treeStorage.AddRawChangesSetHeads(rawChanges, []string{"6"})
-		hTree, err := buildHistoryTree(deps, HistoryTreeParams{
-			BeforeId:        "6",
-			IncludeBeforeId: false,
-		})
-		require.NoError(t, err)
-		// check tree heads
-		assert.Equal(t, []string{"3", "4", "5"}, hTree.Heads())
-
-		// check tree iterate
-		var iterChangesId []string
-		err = hTree.IterateFrom(hTree.Root().Id, nil, func(change *Change) bool {
-			iterChangesId = append(iterChangesId, change.Id)
-			return true
-		})
-		require.NoError(t, err, "iterate should be without error")
-		assert.Equal(t, []string{"0", "1", "2", "3", "4", "5"}, iterChangesId)
-		assert.Equal(t, "0", hTree.Root().Id)
-	})
-
-	t.Run("test history tree build full", func(t *testing.T) {
-		changeCreator, deps := prepareHistoryTreeDeps(aclList)
-
-		// sequence of snapshots: 5->1->0
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", true, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "1", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "1", true, "2"),
-			changeCreator.CreateRaw("4", aclList.Head().Id, "1", false, "2"),
-			changeCreator.CreateRaw("5", aclList.Head().Id, "1", true, "3", "4"),
-			changeCreator.CreateRaw("6", aclList.Head().Id, "5", false, "5"),
-		}
-		deps.treeStorage.AddRawChangesSetHeads(rawChanges, []string{"6"})
-		hTree, err := buildHistoryTree(deps, HistoryTreeParams{
-			BuildFullTree: true,
-		})
-		require.NoError(t, err)
-		// check tree heads
-		assert.Equal(t, []string{"6"}, hTree.Heads())
-
-		// check tree iterate
-		var iterChangesId []string
-		err = hTree.IterateFrom(hTree.Root().Id, nil, func(change *Change) bool {
-			iterChangesId = append(iterChangesId, change.Id)
-			return true
-		})
-		require.NoError(t, err, "iterate should be without error")
-		assert.Equal(t, []string{"0", "1", "2", "3", "4", "5", "6"}, iterChangesId)
-		assert.Equal(t, "0", hTree.Root().Id)
-	})
-
-	t.Run("test history tree include", func(t *testing.T) {
-		changeCreator, deps := prepareHistoryTreeDeps(aclList)
-
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
-			changeCreator.CreateRaw("4", aclList.Head().Id, "0", false, "2"),
-			changeCreator.CreateRaw("5", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("6", aclList.Head().Id, "0", false, "3", "4", "5"),
-		}
-		deps.treeStorage.AddRawChangesSetHeads(rawChanges, []string{"6"})
-		hTree, err := buildHistoryTree(deps, HistoryTreeParams{
-			BeforeId:        "6",
-			IncludeBeforeId: true,
-		})
-		require.NoError(t, err)
-		// check tree heads
-		assert.Equal(t, []string{"6"}, hTree.Heads())
-
-		// check tree iterate
-		var iterChangesId []string
-		err = hTree.IterateFrom(hTree.Root().Id, nil, func(change *Change) bool {
-			iterChangesId = append(iterChangesId, change.Id)
-			return true
-		})
-		require.NoError(t, err, "iterate should be without error")
-		assert.Equal(t, []string{"0", "1", "2", "3", "4", "5", "6"}, iterChangesId)
-		assert.Equal(t, "0", hTree.Root().Id)
-	})
-
-	t.Run("test history tree root", func(t *testing.T) {
-		_, deps := prepareHistoryTreeDeps(aclList)
-		hTree, err := buildHistoryTree(deps, HistoryTreeParams{
-			BeforeId:        "0",
-			IncludeBeforeId: true,
-		})
-		require.NoError(t, err)
-		// check tree heads
-		assert.Equal(t, []string{"0"}, hTree.Heads())
-
-		// check tree iterate
-		var iterChangesId []string
-		err = hTree.IterateFrom(hTree.Root().Id, nil, func(change *Change) bool {
-			iterChangesId = append(iterChangesId, change.Id)
-			return true
-		})
-		require.NoError(t, err, "iterate should be without error")
-		assert.Equal(t, []string{"0"}, iterChangesId)
-		assert.Equal(t, "0", hTree.Root().Id)
-	})
-
-	t.Run("validate correct tree", func(t *testing.T) {
-		ctx := prepareTreeContext(t, aclList)
-		changeCreator := ctx.changeCreator
-
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			ctx.objTree.Header(),
-			changeCreator.CreateRaw("1", aclList.Head().Id, "0", false, "0"),
-			changeCreator.CreateRaw("2", aclList.Head().Id, "0", false, "1"),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
-		}
-		defaultObjectTreeDeps = nonVerifiableTreeDeps
-		err := ValidateRawTree(treestorage.TreeStorageCreatePayload{
-			RootRawChange: ctx.objTree.Header(),
-			Heads:         []string{"3"},
-			Changes:       rawChanges,
-		}, ctx.aclList)
-		require.NoError(t, err)
-	})
-
-	t.Run("fail to validate not connected tree", func(t *testing.T) {
-		ctx := prepareTreeContext(t, aclList)
-		changeCreator := ctx.changeCreator
-
-		rawChanges := []*treechangeproto.RawTreeChangeWithId{
-			ctx.objTree.Header(),
-			changeCreator.CreateRaw("3", aclList.Head().Id, "0", true, "2"),
-		}
-		defaultObjectTreeDeps = nonVerifiableTreeDeps
-		err := ValidateRawTree(treestorage.TreeStorageCreatePayload{
-			RootRawChange: ctx.objTree.Header(),
-			Heads:         []string{"3"},
-			Changes:       rawChanges,
-		}, ctx.aclList)
-		require.Equal(t, ErrHasInvalidChanges, err)
-	})
 }

commonspace/object/tree/objecttree/objecttreedebug.go

@@ -1,25 +0,0 @@
-package objecttree
-
-type objectTreeDebug struct {
-}
-
-type DebugInfo struct {
-	TreeLen      int
-	TreeString   string
-	Graphviz     string
-	Heads        []string
-	SnapshotPath []string
-}
-
-func (o objectTreeDebug) debugInfo(ot *objectTree, parser DescriptionParser) (di DebugInfo, err error) {
-	di = DebugInfo{}
-	di.Graphviz, err = ot.tree.Graph(parser)
-	if err != nil {
-		return
-	}
-	di.TreeString = ot.tree.String()
-	di.TreeLen = ot.tree.Len()
-	di.Heads = ot.Heads()
-	di.SnapshotPath = ot.SnapshotPath()
-	return
-}

commonspace/object/tree/objecttree/objecttreefactory.go

@@ -1,132 +1,37 @@
 package objecttree
 
 import (
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/list"
+	"github.com/anytypeio/any-sync/commonspace/object/keychain"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
+	"github.com/anytypeio/any-sync/util/keys/symmetric"
+	"github.com/anytypeio/any-sync/util/slice"
+	"go.uber.org/zap"
+	"math/rand"
+	"time"
 )
 
 type ObjectTreeCreatePayload struct {
-	PrivKey       crypto.PrivKey
-	ChangeType    string
-	ChangePayload []byte
-	SpaceId       string
-	IsEncrypted   bool
-	Seed          []byte
-	Timestamp     int64
+	SignKey     signingkey.PrivKey
+	ChangeType  string
+	SpaceId     string
+	Identity    []byte
+	IsEncrypted bool
 }
 
-type HistoryTreeParams struct {
-	TreeStorage     treestorage.TreeStorage
-	AclList         list.AclList
-	BeforeId        string
-	IncludeBeforeId bool
-	BuildFullTree   bool
-}
-
-type objectTreeDeps struct {
-	changeBuilder   ChangeBuilder
-	treeBuilder     *treeBuilder
-	treeStorage     treestorage.TreeStorage
-	validator       ObjectTreeValidator
-	rawChangeLoader *rawChangeLoader
-	aclList         list.AclList
-}
-
-type BuildObjectTreeFunc = func(treeStorage treestorage.TreeStorage, aclList list.AclList) (ObjectTree, error)
-
-var defaultObjectTreeDeps = verifiableTreeDeps
-
-func verifiableTreeDeps(
-	rootChange *treechangeproto.RawTreeChangeWithId,
-	treeStorage treestorage.TreeStorage,
-	aclList list.AclList) objectTreeDeps {
-	changeBuilder := NewChangeBuilder(crypto.NewKeyStorage(), rootChange)
-	treeBuilder := newTreeBuilder(true, treeStorage, changeBuilder)
-	return objectTreeDeps{
-		changeBuilder:   changeBuilder,
-		treeBuilder:     treeBuilder,
-		treeStorage:     treeStorage,
-		validator:       newTreeValidator(),
-		rawChangeLoader: newRawChangeLoader(treeStorage, changeBuilder),
-		aclList:         aclList,
-	}
-}
-
-func emptyDataTreeDeps(
-	rootChange *treechangeproto.RawTreeChangeWithId,
-	treeStorage treestorage.TreeStorage,
-	aclList list.AclList) objectTreeDeps {
-	changeBuilder := NewChangeBuilder(crypto.NewKeyStorage(), rootChange)
-	treeBuilder := newTreeBuilder(false, treeStorage, changeBuilder)
-	return objectTreeDeps{
-		changeBuilder:   changeBuilder,
-		treeBuilder:     treeBuilder,
-		treeStorage:     treeStorage,
-		validator:       newTreeValidator(),
-		rawChangeLoader: newStorageLoader(treeStorage, changeBuilder),
-		aclList:         aclList,
-	}
-}
-
-func nonVerifiableTreeDeps(
-	rootChange *treechangeproto.RawTreeChangeWithId,
-	treeStorage treestorage.TreeStorage,
-	aclList list.AclList) objectTreeDeps {
-	changeBuilder := &nonVerifiableChangeBuilder{NewChangeBuilder(newMockKeyStorage(), rootChange)}
-	treeBuilder := newTreeBuilder(true, treeStorage, changeBuilder)
-	return objectTreeDeps{
-		changeBuilder:   changeBuilder,
-		treeBuilder:     treeBuilder,
-		treeStorage:     treeStorage,
-		validator:       &noOpTreeValidator{},
-		rawChangeLoader: newRawChangeLoader(treeStorage, changeBuilder),
-		aclList:         aclList,
-	}
-}
-
-func BuildEmptyDataObjectTree(treeStorage treestorage.TreeStorage, aclList list.AclList) (ObjectTree, error) {
-	rootChange, err := treeStorage.Root()
+func CreateObjectTreeRoot(payload ObjectTreeCreatePayload, aclList list.AclList) (root *treechangeproto.RawTreeChangeWithId, err error) {
+	bytes := make([]byte, 32)
+	_, err = rand.Read(bytes)
 	if err != nil {
-		return nil, err
+		return
 	}
-	deps := emptyDataTreeDeps(rootChange, treeStorage, aclList)
-	return buildObjectTree(deps)
+	return createObjectTreeRoot(payload, time.Now().UnixNano(), bytes, aclList)
 }
 
-func BuildTestableTree(treeStorage treestorage.TreeStorage, aclList list.AclList) (ObjectTree, error) {
-	root, _ := treeStorage.Root()
-	changeBuilder := &nonVerifiableChangeBuilder{
-		ChangeBuilder: NewChangeBuilder(newMockKeyStorage(), root),
-	}
-	deps := objectTreeDeps{
-		changeBuilder:   changeBuilder,
-		treeBuilder:     newTreeBuilder(true, treeStorage, changeBuilder),
-		treeStorage:     treeStorage,
-		rawChangeLoader: newRawChangeLoader(treeStorage, changeBuilder),
-		validator:       &noOpTreeValidator{},
-		aclList:         aclList,
-	}
-
-	return buildObjectTree(deps)
-}
-
-func BuildEmptyDataTestableTree(treeStorage treestorage.TreeStorage, aclList list.AclList) (ObjectTree, error) {
-	root, _ := treeStorage.Root()
-	changeBuilder := &nonVerifiableChangeBuilder{
-		ChangeBuilder: NewChangeBuilder(newMockKeyStorage(), root),
-	}
-	deps := objectTreeDeps{
-		changeBuilder:   changeBuilder,
-		treeBuilder:     newTreeBuilder(false, treeStorage, changeBuilder),
-		treeStorage:     treeStorage,
-		rawChangeLoader: newStorageLoader(treeStorage, changeBuilder),
-		validator:       &noOpTreeValidator{},
-		aclList:         aclList,
-	}
-
-	return buildObjectTree(deps)
+func DeriveObjectTreeRoot(payload ObjectTreeCreatePayload, aclList list.AclList) (root *treechangeproto.RawTreeChangeWithId, err error) {
+	return createObjectTreeRoot(payload, 0, nil, aclList)
 }
 
 func BuildObjectTree(treeStorage treestorage.TreeStorage, aclList list.AclList) (ObjectTree, error) {
@@ -138,25 +43,54 @@ func BuildObjectTree(treeStorage treestorage.TreeStorage, aclList list.AclList)
 	return buildObjectTree(deps)
 }
 
-func BuildNonVerifiableHistoryTree(params HistoryTreeParams) (HistoryTree, error) {
-	rootChange, err := params.TreeStorage.Root()
-	if err != nil {
-		return nil, err
-	}
-	deps := nonVerifiableTreeDeps(rootChange, params.TreeStorage, params.AclList)
-	return buildHistoryTree(deps, params)
+func CreateDerivedObjectTree(
+	payload ObjectTreeCreatePayload,
+	aclList list.AclList,
+	createStorage treestorage.TreeStorageCreatorFunc) (objTree ObjectTree, err error) {
+	return createObjectTree(payload, 0, nil, aclList, createStorage)
 }
 
-func BuildHistoryTree(params HistoryTreeParams) (HistoryTree, error) {
-	rootChange, err := params.TreeStorage.Root()
+func CreateObjectTree(
+	payload ObjectTreeCreatePayload,
+	aclList list.AclList,
+	createStorage treestorage.TreeStorageCreatorFunc) (objTree ObjectTree, err error) {
+	bytes := make([]byte, 32)
+	_, err = rand.Read(bytes)
 	if err != nil {
-		return nil, err
+		return
 	}
-	deps := defaultObjectTreeDeps(rootChange, params.TreeStorage, params.AclList)
-	return buildHistoryTree(deps, params)
+	return createObjectTree(payload, time.Now().UnixNano(), bytes, aclList, createStorage)
 }
 
-func CreateObjectTreeRoot(payload ObjectTreeCreatePayload, aclList list.AclList) (root *treechangeproto.RawTreeChangeWithId, err error) {
+func createObjectTree(
+	payload ObjectTreeCreatePayload,
+	timestamp int64,
+	seed []byte,
+	aclList list.AclList,
+	createStorage treestorage.TreeStorageCreatorFunc) (objTree ObjectTree, err error) {
+	raw, err := createObjectTreeRoot(payload, timestamp, seed, aclList)
+	if err != nil {
+		return
+	}
+
+	// create storage
+	st, err := createStorage(treestorage.TreeStorageCreatePayload{
+		RootRawChange: raw,
+		Changes:       []*treechangeproto.RawTreeChangeWithId{raw},
+		Heads:         []string{raw.Id},
+	})
+	if err != nil {
+		return
+	}
+
+	return BuildObjectTree(st, aclList)
+}
+
+func createObjectTreeRoot(
+	payload ObjectTreeCreatePayload,
+	timestamp int64,
+	seed []byte,
+	aclList list.AclList) (root *treechangeproto.RawTreeChangeWithId, err error) {
 	aclList.RLock()
 	aclHeadId := aclList.Head().Id
 	aclList.RUnlock()
@@ -165,29 +99,29 @@ func CreateObjectTreeRoot(payload ObjectTreeCreatePayload, aclList list.AclList)
 		return
 	}
 	cnt := InitialContent{
-		AclHeadId:     aclHeadId,
-		PrivKey:       payload.PrivKey,
-		SpaceId:       payload.SpaceId,
-		ChangeType:    payload.ChangeType,
-		ChangePayload: payload.ChangePayload,
-		Timestamp:     payload.Timestamp,
-		Seed:          payload.Seed,
+		AclHeadId:  aclHeadId,
+		Identity:   payload.Identity,
+		SigningKey: payload.SignKey,
+		SpaceId:    payload.SpaceId,
+		ChangeType: payload.ChangeType,
+		Timestamp:  timestamp,
+		Seed:       seed,
 	}
 
-	_, root, err = NewChangeBuilder(crypto.NewKeyStorage(), nil).BuildRoot(cnt)
+	_, root, err = NewChangeBuilder(keychain.NewKeychain(), nil).BuildInitialContent(cnt)
 	return
 }
 
 func buildObjectTree(deps objectTreeDeps) (ObjectTree, error) {
 	objTree := &objectTree{
-		id:              deps.treeStorage.Id(),
 		treeStorage:     deps.treeStorage,
 		treeBuilder:     deps.treeBuilder,
 		validator:       deps.validator,
 		aclList:         deps.aclList,
 		changeBuilder:   deps.changeBuilder,
 		rawChangeLoader: deps.rawChangeLoader,
-		keys:            make(map[string]crypto.SymKey),
+		tree:            nil,
+		keys:            make(map[uint64]*symmetric.Key),
 		newChangesBuf:   make([]*Change, 0, 10),
 		difSnapshotBuf:  make([]*treechangeproto.RawTreeChangeWithId, 0, 10),
 		notSeenIdxBuf:   make([]int, 0, 10),
@@ -198,14 +132,31 @@ func buildObjectTree(deps objectTreeDeps) (ObjectTree, error) {
 	if err != nil {
 		return nil, err
 	}
+	storageHeads, err := objTree.treeStorage.Heads()
+	if err != nil {
+		return nil, err
+	}
 
+	// comparing rebuilt heads with heads in storage
+	// in theory it can happen that we didn't set heads because the process has crashed
+	// therefore we want to set them later
+	if !slice.UnsortedEquals(storageHeads, objTree.tree.Heads()) {
+		log.With(zap.Strings("storage", storageHeads), zap.Strings("rebuilt", objTree.tree.Heads())).
+			Errorf("the heads in storage and objTree are different")
+		err = objTree.treeStorage.SetHeads(objTree.tree.Heads())
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	objTree.id = objTree.treeStorage.Id()
 	objTree.rawRoot, err = objTree.treeStorage.Root()
 	if err != nil {
 		return nil, err
 	}
 
 	// verifying root
-	header, err := objTree.changeBuilder.Unmarshall(objTree.rawRoot, true)
+	header, err := objTree.changeBuilder.ConvertFromRaw(objTree.rawRoot, true)
 	if err != nil {
 		return nil, err
 	}
@@ -213,38 +164,3 @@ func buildObjectTree(deps objectTreeDeps) (ObjectTree, error) {
 
 	return objTree, nil
 }
-
-func buildHistoryTree(deps objectTreeDeps, params HistoryTreeParams) (ht HistoryTree, err error) {
-	objTree := &objectTree{
-		id:              deps.treeStorage.Id(),
-		treeStorage:     deps.treeStorage,
-		treeBuilder:     deps.treeBuilder,
-		validator:       deps.validator,
-		aclList:         deps.aclList,
-		changeBuilder:   deps.changeBuilder,
-		rawChangeLoader: deps.rawChangeLoader,
-		keys:            make(map[string]crypto.SymKey),
-		newChangesBuf:   make([]*Change, 0, 10),
-		difSnapshotBuf:  make([]*treechangeproto.RawTreeChangeWithId, 0, 10),
-		notSeenIdxBuf:   make([]int, 0, 10),
-		newSnapshotsBuf: make([]*Change, 0, 10),
-	}
-
-	hTree := &historyTree{objectTree: objTree}
-	err = hTree.rebuildFromStorage(params)
-	if err != nil {
-		return nil, err
-	}
-	objTree.id = objTree.treeStorage.Id()
-	objTree.rawRoot, err = objTree.treeStorage.Root()
-	if err != nil {
-		return nil, err
-	}
-
-	header, err := objTree.changeBuilder.Unmarshall(objTree.rawRoot, false)
-	if err != nil {
-		return nil, err
-	}
-	objTree.root = header
-	return hTree, nil
-}

commonspace/object/tree/objecttree/rawloader.go

@@ -2,16 +2,15 @@ package objecttree
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/util/slice"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
+	"github.com/anytypeio/any-sync/util/slice"
 	"time"
 )
 
 type rawChangeLoader struct {
-	treeStorage       treestorage.TreeStorage
-	changeBuilder     ChangeBuilder
-	alwaysFromStorage bool
+	treeStorage   treestorage.TreeStorage
+	changeBuilder ChangeBuilder
 
 	// buffers
 	idStack []string
@@ -24,12 +23,6 @@ type rawCacheEntry struct {
 	position  int
 }
 
-func newStorageLoader(treeStorage treestorage.TreeStorage, changeBuilder ChangeBuilder) *rawChangeLoader {
-	loader := newRawChangeLoader(treeStorage, changeBuilder)
-	loader.alwaysFromStorage = true
-	return loader
-}
-
 func newRawChangeLoader(treeStorage treestorage.TreeStorage, changeBuilder ChangeBuilder) *rawChangeLoader {
 	return &rawChangeLoader{
 		treeStorage:   treeStorage,
@@ -37,15 +30,7 @@ func newRawChangeLoader(treeStorage treestorage.TreeStorage, changeBuilder Chang
 	}
 }
 
-func (r *rawChangeLoader) Load(commonSnapshot string, t *Tree, breakpoints []string) ([]*treechangeproto.RawTreeChangeWithId, error) {
-	if commonSnapshot == t.root.Id && !r.alwaysFromStorage {
-		return r.loadFromTree(t, breakpoints)
-	} else {
-		return r.loadFromStorage(commonSnapshot, t.Heads(), breakpoints)
-	}
-}
-
-func (r *rawChangeLoader) loadFromTree(t *Tree, breakpoints []string) ([]*treechangeproto.RawTreeChangeWithId, error) {
+func (r *rawChangeLoader) LoadFromTree(t *Tree, breakpoints []string) ([]*treechangeproto.RawTreeChangeWithId, error) {
 	var stack []*Change
 	for _, h := range t.headIds {
 		stack = append(stack, t.attached[h])
@@ -54,7 +39,7 @@ func (r *rawChangeLoader) loadFromTree(t *Tree, breakpoints []string) ([]*treech
 	convert := func(chs []*Change) (rawChanges []*treechangeproto.RawTreeChangeWithId, err error) {
 		for _, ch := range chs {
 			var raw *treechangeproto.RawTreeChangeWithId
-			raw, err = r.changeBuilder.Marshall(ch)
+			raw, err = r.changeBuilder.BuildRaw(ch)
 			if err != nil {
 				return
 			}
@@ -113,7 +98,7 @@ func (r *rawChangeLoader) loadFromTree(t *Tree, breakpoints []string) ([]*treech
 	return convert(results)
 }
 
-func (r *rawChangeLoader) loadFromStorage(commonSnapshot string, heads, breakpoints []string) ([]*treechangeproto.RawTreeChangeWithId, error) {
+func (r *rawChangeLoader) LoadFromStorage(commonSnapshot string, heads, breakpoints []string) ([]*treechangeproto.RawTreeChangeWithId, error) {
 	// resetting cache
 	r.cache = make(map[string]rawCacheEntry)
 	defer func() {
@@ -241,7 +226,7 @@ func (r *rawChangeLoader) loadEntry(id string) (entry rawCacheEntry, err error)
 		return
 	}
 
-	change, err := r.changeBuilder.Unmarshall(rawChange, false)
+	change, err := r.changeBuilder.ConvertFromRaw(rawChange, false)
 	if err != nil {
 		return
 	}

commonspace/object/tree/objecttree/rawtreevalidator.go

@@ -0,0 +1,16 @@
+package objecttree
+
+import (
+	"github.com/anytypeio/any-sync/commonspace/object/acl/list"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
+)
+
+func ValidateRawTree(payload treestorage.TreeStorageCreatePayload, aclList list.AclList) (err error) {
+	treeStorage, err := treestorage.NewInMemoryTreeStorage(payload.RootRawChange, payload.Heads, payload.Changes)
+	if err != nil {
+		return
+	}
+
+	_, err = BuildObjectTree(treeStorage, aclList)
+	return
+}

commonspace/object/tree/objecttree/signablecontent.go

@@ -1,19 +1,13 @@
 package objecttree
 
 import (
-	"github.com/anyproto/any-sync/util/crypto"
+	"github.com/anytypeio/any-sync/util/keys/asymmetric/signingkey"
 )
 
-// SignableChangeContent is a payload to be passed when we are creating change
 type SignableChangeContent struct {
-	// Data is a data provided by the client
-	Data []byte
-	// Key is the key which will be used to sign the change
-	Key crypto.PrivKey
-	// IsSnapshot tells if the change has snapshot of all previous data
-	IsSnapshot bool
-	// IsEncrypted tells if we encrypt the data with the relevant symmetric key
+	Data        []byte
+	Key         signingkey.PrivKey
+	Identity    []byte
+	IsSnapshot  bool
 	IsEncrypted bool
-	// Timestamp is a timestamp of change, if it is <= 0, then we use current timestamp
-	Timestamp int64
 }

commonspace/object/tree/objecttree/testutils.go

@@ -1,121 +0,0 @@
-package objecttree
-
-import (
-	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/util/crypto"
-	libcrypto "github.com/libp2p/go-libp2p/core/crypto"
-)
-
-type mockPubKey struct {
-}
-
-const mockKeyValue = "mockKey"
-
-func (m mockPubKey) Equals(key crypto.Key) bool {
-	return true
-}
-
-func (m mockPubKey) Raw() ([]byte, error) {
-	return []byte(mockKeyValue), nil
-}
-
-func (m mockPubKey) Encrypt(message []byte) ([]byte, error) {
-	return message, nil
-}
-
-func (m mockPubKey) Verify(data []byte, sig []byte) (bool, error) {
-	return true, nil
-}
-
-func (m mockPubKey) Marshall() ([]byte, error) {
-	return []byte(mockKeyValue), nil
-}
-
-func (m mockPubKey) Storage() []byte {
-	return []byte(mockKeyValue)
-}
-
-func (m mockPubKey) Account() string {
-	return mockKeyValue
-}
-
-func (m mockPubKey) Network() string {
-	return mockKeyValue
-}
-
-func (m mockPubKey) PeerId() string {
-	return mockKeyValue
-}
-
-func (m mockPubKey) LibP2P() (libcrypto.PubKey, error) {
-	return nil, fmt.Errorf("can't be converted in libp2p")
-}
-
-type mockKeyStorage struct {
-}
-
-func newMockKeyStorage() mockKeyStorage {
-	return mockKeyStorage{}
-}
-
-func (m mockKeyStorage) PubKeyFromProto(protoBytes []byte) (crypto.PubKey, error) {
-	return mockPubKey{}, nil
-}
-
-type MockChangeCreator struct{}
-
-func NewMockChangeCreator() *MockChangeCreator {
-	return &MockChangeCreator{}
-}
-
-func (c *MockChangeCreator) CreateRoot(id, aclId string) *treechangeproto.RawTreeChangeWithId {
-	aclChange := &treechangeproto.RootChange{
-		AclHeadId: aclId,
-	}
-	res, _ := aclChange.Marshal()
-
-	raw := &treechangeproto.RawTreeChange{
-		Payload:   res,
-		Signature: nil,
-	}
-	rawMarshalled, _ := raw.Marshal()
-
-	return &treechangeproto.RawTreeChangeWithId{
-		RawChange: rawMarshalled,
-		Id:        id,
-	}
-}
-
-func (c *MockChangeCreator) CreateRaw(id, aclId, snapshotId string, isSnapshot bool, prevIds ...string) *treechangeproto.RawTreeChangeWithId {
-	return c.CreateRawWithData(id, aclId, snapshotId, isSnapshot, nil, prevIds...)
-}
-
-func (c *MockChangeCreator) CreateRawWithData(id, aclId, snapshotId string, isSnapshot bool, data []byte, prevIds ...string) *treechangeproto.RawTreeChangeWithId {
-	aclChange := &treechangeproto.TreeChange{
-		TreeHeadIds:    prevIds,
-		AclHeadId:      aclId,
-		SnapshotBaseId: snapshotId,
-		ChangesData:    data,
-		IsSnapshot:     isSnapshot,
-	}
-	res, _ := aclChange.Marshal()
-
-	raw := &treechangeproto.RawTreeChange{
-		Payload:   res,
-		Signature: nil,
-	}
-	rawMarshalled, _ := raw.Marshal()
-
-	return &treechangeproto.RawTreeChangeWithId{
-		RawChange: rawMarshalled,
-		Id:        id,
-	}
-}
-
-func (c *MockChangeCreator) CreateNewTreeStorage(treeId, aclHeadId string) treestorage.TreeStorage {
-	root := c.CreateRoot(treeId, aclHeadId)
-	treeStorage, _ := treestorage.NewInMemoryTreeStorage(root, []string{root.Id}, []*treechangeproto.RawTreeChangeWithId{root})
-	return treeStorage
-}

commonspace/object/tree/objecttree/tree_test.go

@@ -125,7 +125,7 @@ func TestTree_Hash(t *testing.T) {
 }
 
 func TestTree_AddFuzzy(t *testing.T) {
-	rand.Seed(time.Now().Unix())
+	rand.Seed(time.Now().UnixNano())
 	getChanges := func() []*Change {
 		changes := []*Change{
 			newChange("1", "root", "root"),

commonspace/object/tree/objecttree/treebuilder.go

@@ -4,16 +4,15 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"time"
-
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/util/slice"
+	"github.com/anytypeio/any-sync/app/logger"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
+	"github.com/anytypeio/any-sync/util/slice"
 	"go.uber.org/zap"
+	"time"
 )
 
 var (
-	log      = logger.NewNamedSugared("common.commonspace.objecttree")
+	log      = logger.NewNamed("acltree").Sugar()
 	ErrEmpty = errors.New("logs empty")
 )
 
@@ -21,20 +20,18 @@ type treeBuilder struct {
 	treeStorage treestorage.TreeStorage
 	builder     ChangeBuilder
 
-	cache            map[string]*Change
-	tree             *Tree
-	keepInMemoryData bool
+	cache map[string]*Change
+	tree  *Tree
 
 	// buffers
 	idStack    []string
 	loadBuffer []*Change
 }
 
-func newTreeBuilder(keepData bool, storage treestorage.TreeStorage, builder ChangeBuilder) *treeBuilder {
+func newTreeBuilder(storage treestorage.TreeStorage, builder ChangeBuilder) *treeBuilder {
 	return &treeBuilder{
-		treeStorage:      storage,
-		builder:          builder,
-		keepInMemoryData: keepData,
+		treeStorage: storage,
+		builder:     builder,
 	}
 }
 
@@ -44,40 +41,16 @@ func (tb *treeBuilder) Reset() {
 }
 
 func (tb *treeBuilder) Build(theirHeads []string, newChanges []*Change) (*Tree, error) {
-	heads, err := tb.treeStorage.Heads()
-	if err != nil {
-		return nil, err
-	}
-	return tb.build(heads, theirHeads, newChanges)
-}
-
-func (tb *treeBuilder) BuildFull() (*Tree, error) {
-	defer func() {
-		tb.cache = make(map[string]*Change)
-	}()
-	tb.cache = make(map[string]*Change)
-	heads, err := tb.treeStorage.Heads()
-	if err != nil {
-		return nil, err
-	}
-	err = tb.buildTree(heads, tb.treeStorage.Id())
-	if err != nil {
-		return nil, err
-	}
-	return tb.tree, nil
-}
-
-func (tb *treeBuilder) build(heads []string, theirHeads []string, newChanges []*Change) (*Tree, error) {
-	defer func() {
-		tb.cache = make(map[string]*Change)
-	}()
-
 	var proposedHeads []string
 	tb.cache = make(map[string]*Change)
+	heads, err := tb.treeStorage.Heads()
+	if err != nil {
+		return nil, err
+	}
 
 	// TODO: we can actually get this from tree (though not sure, that there would always be
 	//  an invariant where the tree has the closest common snapshot of heads)
-	//  so if optimization is critical we can change this to inject from tree directly,
+	//  so if optimization is critical we can change this to inject from tree directly
 	//  but then we have to be sure that invariant stays true
 	oldBreakpoint, err := tb.findBreakpoint(heads, true)
 	if err != nil {
@@ -108,7 +81,7 @@ func (tb *treeBuilder) build(heads []string, theirHeads []string, newChanges []*
 	}
 	proposedHeads = append(proposedHeads, heads...)
 
-	log.With(zap.Strings("heads", proposedHeads), zap.String("id", tb.treeStorage.Id())).Debug("building tree")
+	log.With(zap.Strings("heads", proposedHeads)).Debug("building tree")
 	if err = tb.buildTree(proposedHeads, breakpoint); err != nil {
 		return nil, fmt.Errorf("buildTree error: %v", err)
 	}
@@ -121,8 +94,8 @@ func (tb *treeBuilder) buildTree(heads []string, breakpoint string) (err error)
 	if err != nil {
 		return
 	}
-	changes := tb.dfs(heads, breakpoint)
 	tb.tree.AddFast(ch)
+	changes := tb.dfs(heads, breakpoint)
 	tb.tree.AddFast(changes...)
 	return
 }
@@ -177,13 +150,10 @@ func (tb *treeBuilder) loadChange(id string) (ch *Change, err error) {
 		return nil, err
 	}
 
-	ch, err = tb.builder.Unmarshall(change, true)
+	ch, err = tb.builder.ConvertFromRaw(change, true)
 	if err != nil {
 		return nil, err
 	}
-	if !tb.keepInMemoryData {
-		ch.Data = nil
-	}
 
 	tb.cache[id] = ch
 	return ch, nil

commonspace/object/tree/objecttree/treegraph.go

@@ -1,5 +1,6 @@
-//go:build (!linux && !darwin) || android || ios || nographviz || !cgo || windows
-// +build !linux,!darwin android ios nographviz !cgo windows
+//go:build ((!linux && !darwin) || android || ios || nographviz) && !amd64
+// +build !linux,!darwin android ios nographviz
+// +build !amd64
 
 package objecttree
 

commonspace/object/tree/objecttree/treegraph_nix.go

@@ -1,9 +1,8 @@
-//go:build (linux || darwin) && !android && !ios && !nographviz && cgo && (amd64 || arm64)
+//go:build (linux || darwin) && !android && !ios && !nographviz && (amd64 || arm64)
 // +build linux darwin
 // +build !android
 // +build !ios
 // +build !nographviz
-// +build cgo
 // +build amd64 arm64
 
 package objecttree
@@ -11,11 +10,10 @@ package objecttree
 import (
 	"bytes"
 	"fmt"
-	"strings"
-	"time"
-
 	"github.com/goccy/go-graphviz"
 	"github.com/goccy/go-graphviz/cgraph"
+	"strings"
+	"time"
 )
 
 func (t *Tree) Graph(parser DescriptionParser) (data string, err error) {

commonspace/object/tree/objecttree/util.go

@@ -1,11 +1,5 @@
 package objecttree
 
-import (
-	"fmt"
-	"github.com/anyproto/any-sync/util/crypto"
-	"math/rand"
-)
-
 func commonSnapshotForTwoPaths(ourPath []string, theirPath []string) (string, error) {
 	var i int
 	var j int
@@ -33,24 +27,3 @@ OuterLoop:
 	}
 	return ourPath[i+1], nil
 }
-
-func deriveTreeKey(key crypto.SymKey, cid string) (crypto.SymKey, error) {
-	raw, err := key.Raw()
-	if err != nil {
-		return nil, err
-	}
-	return crypto.DeriveSymmetricKey(raw, fmt.Sprintf(crypto.AnysyncTreePath, cid))
-}
-
-func DoSnapshot(treeLen int) bool {
-	if treeLen <= 100 {
-		return false
-	}
-
-	var (
-		delta    = treeLen/50 + 1
-		midPoint = 1000
-		val      = rand.Intn(midPoint * 2)
-	)
-	return midPoint-delta <= val && val <= midPoint+delta
-}

commonspace/object/tree/synctree/mock_synctree/mock_synctree.go

@@ -1,5 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
-// Source: github.com/anyproto/any-sync/commonspace/object/tree/synctree (interfaces: SyncTree,ReceiveQueue,HeadNotifiable)
+// Source: github.com/anytypeio/any-sync/commonspace/object/tree/synctree (interfaces: SyncClient,SyncTree,ReceiveQueue,HeadNotifiable)
 
 // Package mock_synctree is a generated GoMock package.
 package mock_synctree
@@ -7,17 +7,137 @@ package mock_synctree
 import (
 	context "context"
 	reflect "reflect"
-	time "time"
 
-	list "github.com/anyproto/any-sync/commonspace/object/acl/list"
-	objecttree "github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	updatelistener "github.com/anyproto/any-sync/commonspace/object/tree/synctree/updatelistener"
-	treechangeproto "github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	treestorage "github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	spacesyncproto "github.com/anyproto/any-sync/commonspace/spacesyncproto"
+	objecttree "github.com/anytypeio/any-sync/commonspace/object/tree/objecttree"
+	treechangeproto "github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	treestorage "github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
+	spacesyncproto "github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 	gomock "github.com/golang/mock/gomock"
 )
 
+// MockSyncClient is a mock of SyncClient interface.
+type MockSyncClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockSyncClientMockRecorder
+}
+
+// MockSyncClientMockRecorder is the mock recorder for MockSyncClient.
+type MockSyncClientMockRecorder struct {
+	mock *MockSyncClient
+}
+
+// NewMockSyncClient creates a new mock instance.
+func NewMockSyncClient(ctrl *gomock.Controller) *MockSyncClient {
+	mock := &MockSyncClient{ctrl: ctrl}
+	mock.recorder = &MockSyncClientMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockSyncClient) EXPECT() *MockSyncClientMockRecorder {
+	return m.recorder
+}
+
+// BroadcastAsync mocks base method.
+func (m *MockSyncClient) BroadcastAsync(arg0 *treechangeproto.TreeSyncMessage) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "BroadcastAsync", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// BroadcastAsync indicates an expected call of BroadcastAsync.
+func (mr *MockSyncClientMockRecorder) BroadcastAsync(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "BroadcastAsync", reflect.TypeOf((*MockSyncClient)(nil).BroadcastAsync), arg0)
+}
+
+// BroadcastAsyncOrSendResponsible mocks base method.
+func (m *MockSyncClient) BroadcastAsyncOrSendResponsible(arg0 *treechangeproto.TreeSyncMessage) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "BroadcastAsyncOrSendResponsible", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// BroadcastAsyncOrSendResponsible indicates an expected call of BroadcastAsyncOrSendResponsible.
+func (mr *MockSyncClientMockRecorder) BroadcastAsyncOrSendResponsible(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "BroadcastAsyncOrSendResponsible", reflect.TypeOf((*MockSyncClient)(nil).BroadcastAsyncOrSendResponsible), arg0)
+}
+
+// CreateFullSyncRequest mocks base method.
+func (m *MockSyncClient) CreateFullSyncRequest(arg0 objecttree.ObjectTree, arg1, arg2 []string) (*treechangeproto.TreeSyncMessage, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateFullSyncRequest", arg0, arg1, arg2)
+	ret0, _ := ret[0].(*treechangeproto.TreeSyncMessage)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateFullSyncRequest indicates an expected call of CreateFullSyncRequest.
+func (mr *MockSyncClientMockRecorder) CreateFullSyncRequest(arg0, arg1, arg2 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateFullSyncRequest", reflect.TypeOf((*MockSyncClient)(nil).CreateFullSyncRequest), arg0, arg1, arg2)
+}
+
+// CreateFullSyncResponse mocks base method.
+func (m *MockSyncClient) CreateFullSyncResponse(arg0 objecttree.ObjectTree, arg1, arg2 []string) (*treechangeproto.TreeSyncMessage, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateFullSyncResponse", arg0, arg1, arg2)
+	ret0, _ := ret[0].(*treechangeproto.TreeSyncMessage)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateFullSyncResponse indicates an expected call of CreateFullSyncResponse.
+func (mr *MockSyncClientMockRecorder) CreateFullSyncResponse(arg0, arg1, arg2 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateFullSyncResponse", reflect.TypeOf((*MockSyncClient)(nil).CreateFullSyncResponse), arg0, arg1, arg2)
+}
+
+// CreateHeadUpdate mocks base method.
+func (m *MockSyncClient) CreateHeadUpdate(arg0 objecttree.ObjectTree, arg1 []*treechangeproto.RawTreeChangeWithId) *treechangeproto.TreeSyncMessage {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateHeadUpdate", arg0, arg1)
+	ret0, _ := ret[0].(*treechangeproto.TreeSyncMessage)
+	return ret0
+}
+
+// CreateHeadUpdate indicates an expected call of CreateHeadUpdate.
+func (mr *MockSyncClientMockRecorder) CreateHeadUpdate(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateHeadUpdate", reflect.TypeOf((*MockSyncClient)(nil).CreateHeadUpdate), arg0, arg1)
+}
+
+// CreateNewTreeRequest mocks base method.
+func (m *MockSyncClient) CreateNewTreeRequest() *treechangeproto.TreeSyncMessage {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateNewTreeRequest")
+	ret0, _ := ret[0].(*treechangeproto.TreeSyncMessage)
+	return ret0
+}
+
+// CreateNewTreeRequest indicates an expected call of CreateNewTreeRequest.
+func (mr *MockSyncClientMockRecorder) CreateNewTreeRequest() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateNewTreeRequest", reflect.TypeOf((*MockSyncClient)(nil).CreateNewTreeRequest))
+}
+
+// SendAsync mocks base method.
+func (m *MockSyncClient) SendAsync(arg0 string, arg1 *treechangeproto.TreeSyncMessage, arg2 string) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendAsync", arg0, arg1, arg2)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendAsync indicates an expected call of SendAsync.
+func (mr *MockSyncClientMockRecorder) SendAsync(arg0, arg1, arg2 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendAsync", reflect.TypeOf((*MockSyncClient)(nil).SendAsync), arg0, arg1, arg2)
+}
+
 // MockSyncTree is a mock of SyncTree interface.
 type MockSyncTree struct {
 	ctrl     *gomock.Controller
@@ -41,20 +161,6 @@ func (m *MockSyncTree) EXPECT() *MockSyncTreeMockRecorder {
 	return m.recorder
 }
 
-// AclList mocks base method.
-func (m *MockSyncTree) AclList() list.AclList {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "AclList")
-	ret0, _ := ret[0].(list.AclList)
-	return ret0
-}
-
-// AclList indicates an expected call of AclList.
-func (mr *MockSyncTreeMockRecorder) AclList() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AclList", reflect.TypeOf((*MockSyncTree)(nil).AclList))
-}
-
 // AddContent mocks base method.
 func (m *MockSyncTree) AddContent(arg0 context.Context, arg1 objecttree.SignableChangeContent) (objecttree.AddResult, error) {
 	m.ctrl.T.Helper()
@@ -85,20 +191,6 @@ func (mr *MockSyncTreeMockRecorder) AddRawChanges(arg0, arg1 interface{}) *gomoc
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AddRawChanges", reflect.TypeOf((*MockSyncTree)(nil).AddRawChanges), arg0, arg1)
 }
 
-// ChangeInfo mocks base method.
-func (m *MockSyncTree) ChangeInfo() *treechangeproto.TreeChangeInfo {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "ChangeInfo")
-	ret0, _ := ret[0].(*treechangeproto.TreeChangeInfo)
-	return ret0
-}
-
-// ChangeInfo indicates an expected call of ChangeInfo.
-func (mr *MockSyncTreeMockRecorder) ChangeInfo() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ChangeInfo", reflect.TypeOf((*MockSyncTree)(nil).ChangeInfo))
-}
-
 // ChangesAfterCommonSnapshot mocks base method.
 func (m *MockSyncTree) ChangesAfterCommonSnapshot(arg0, arg1 []string) ([]*treechangeproto.RawTreeChangeWithId, error) {
 	m.ctrl.T.Helper()
@@ -128,19 +220,19 @@ func (mr *MockSyncTreeMockRecorder) Close() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Close", reflect.TypeOf((*MockSyncTree)(nil).Close))
 }
 
-// Debug mocks base method.
-func (m *MockSyncTree) Debug(arg0 objecttree.DescriptionParser) (objecttree.DebugInfo, error) {
+// DebugDump mocks base method.
+func (m *MockSyncTree) DebugDump(arg0 objecttree.DescriptionParser) (string, error) {
 	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Debug", arg0)
-	ret0, _ := ret[0].(objecttree.DebugInfo)
+	ret := m.ctrl.Call(m, "DebugDump", arg0)
+	ret0, _ := ret[0].(string)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 
-// Debug indicates an expected call of Debug.
-func (mr *MockSyncTreeMockRecorder) Debug(arg0 interface{}) *gomock.Call {
+// DebugDump indicates an expected call of DebugDump.
+func (mr *MockSyncTreeMockRecorder) DebugDump(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Debug", reflect.TypeOf((*MockSyncTree)(nil).Debug), arg0)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DebugDump", reflect.TypeOf((*MockSyncTree)(nil).DebugDump), arg0)
 }
 
 // Delete mocks base method.
@@ -157,21 +249,6 @@ func (mr *MockSyncTreeMockRecorder) Delete() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Delete", reflect.TypeOf((*MockSyncTree)(nil).Delete))
 }
 
-// GetChange mocks base method.
-func (m *MockSyncTree) GetChange(arg0 string) (*objecttree.Change, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetChange", arg0)
-	ret0, _ := ret[0].(*objecttree.Change)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetChange indicates an expected call of GetChange.
-func (mr *MockSyncTreeMockRecorder) GetChange(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetChange", reflect.TypeOf((*MockSyncTree)(nil).GetChange), arg0)
-}
-
 // HandleMessage mocks base method.
 func (m *MockSyncTree) HandleMessage(arg0 context.Context, arg1 string, arg2 *spacesyncproto.ObjectSyncMessage) error {
 	m.ctrl.T.Helper()
@@ -274,20 +351,6 @@ func (mr *MockSyncTreeMockRecorder) IterateRoot(arg0, arg1 interface{}) *gomock.
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "IterateRoot", reflect.TypeOf((*MockSyncTree)(nil).IterateRoot), arg0, arg1)
 }
 
-// Len mocks base method.
-func (m *MockSyncTree) Len() int {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Len")
-	ret0, _ := ret[0].(int)
-	return ret0
-}
-
-// Len indicates an expected call of Len.
-func (mr *MockSyncTreeMockRecorder) Len() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Len", reflect.TypeOf((*MockSyncTree)(nil).Len))
-}
-
 // Lock mocks base method.
 func (m *MockSyncTree) Lock() {
 	m.ctrl.T.Helper()
@@ -300,19 +363,18 @@ func (mr *MockSyncTreeMockRecorder) Lock() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Lock", reflect.TypeOf((*MockSyncTree)(nil).Lock))
 }
 
-// PrepareChange mocks base method.
-func (m *MockSyncTree) PrepareChange(arg0 objecttree.SignableChangeContent) (*treechangeproto.RawTreeChangeWithId, error) {
+// Ping mocks base method.
+func (m *MockSyncTree) Ping() error {
 	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "PrepareChange", arg0)
-	ret0, _ := ret[0].(*treechangeproto.RawTreeChangeWithId)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
+	ret := m.ctrl.Call(m, "Ping")
+	ret0, _ := ret[0].(error)
+	return ret0
 }
 
-// PrepareChange indicates an expected call of PrepareChange.
-func (mr *MockSyncTreeMockRecorder) PrepareChange(arg0 interface{}) *gomock.Call {
+// Ping indicates an expected call of Ping.
+func (mr *MockSyncTreeMockRecorder) Ping() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PrepareChange", reflect.TypeOf((*MockSyncTree)(nil).PrepareChange), arg0)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Ping", reflect.TypeOf((*MockSyncTree)(nil).Ping))
 }
 
 // RLock mocks base method.
@@ -353,18 +415,6 @@ func (mr *MockSyncTreeMockRecorder) Root() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Root", reflect.TypeOf((*MockSyncTree)(nil).Root))
 }
 
-// SetListener mocks base method.
-func (m *MockSyncTree) SetListener(arg0 updatelistener.UpdateListener) {
-	m.ctrl.T.Helper()
-	m.ctrl.Call(m, "SetListener", arg0)
-}
-
-// SetListener indicates an expected call of SetListener.
-func (mr *MockSyncTreeMockRecorder) SetListener(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetListener", reflect.TypeOf((*MockSyncTree)(nil).SetListener), arg0)
-}
-
 // SnapshotPath mocks base method.
 func (m *MockSyncTree) SnapshotPath() []string {
 	m.ctrl.T.Helper()
@@ -393,63 +443,6 @@ func (mr *MockSyncTreeMockRecorder) Storage() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Storage", reflect.TypeOf((*MockSyncTree)(nil).Storage))
 }
 
-// SyncWithPeer mocks base method.
-func (m *MockSyncTree) SyncWithPeer(arg0 context.Context, arg1 string) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "SyncWithPeer", arg0, arg1)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// SyncWithPeer indicates an expected call of SyncWithPeer.
-func (mr *MockSyncTreeMockRecorder) SyncWithPeer(arg0, arg1 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncWithPeer", reflect.TypeOf((*MockSyncTree)(nil).SyncWithPeer), arg0, arg1)
-}
-
-// TryClose mocks base method.
-func (m *MockSyncTree) TryClose(arg0 time.Duration) (bool, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "TryClose", arg0)
-	ret0, _ := ret[0].(bool)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// TryClose indicates an expected call of TryClose.
-func (mr *MockSyncTreeMockRecorder) TryClose(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "TryClose", reflect.TypeOf((*MockSyncTree)(nil).TryClose), arg0)
-}
-
-// TryLock mocks base method.
-func (m *MockSyncTree) TryLock() bool {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "TryLock")
-	ret0, _ := ret[0].(bool)
-	return ret0
-}
-
-// TryLock indicates an expected call of TryLock.
-func (mr *MockSyncTreeMockRecorder) TryLock() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "TryLock", reflect.TypeOf((*MockSyncTree)(nil).TryLock))
-}
-
-// TryRLock mocks base method.
-func (m *MockSyncTree) TryRLock() bool {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "TryRLock")
-	ret0, _ := ret[0].(bool)
-	return ret0
-}
-
-// TryRLock indicates an expected call of TryRLock.
-func (mr *MockSyncTreeMockRecorder) TryRLock() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "TryRLock", reflect.TypeOf((*MockSyncTree)(nil).TryRLock))
-}
-
 // Unlock mocks base method.
 func (m *MockSyncTree) Unlock() {
 	m.ctrl.T.Helper()
@@ -476,21 +469,6 @@ func (mr *MockSyncTreeMockRecorder) UnmarshalledHeader() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UnmarshalledHeader", reflect.TypeOf((*MockSyncTree)(nil).UnmarshalledHeader))
 }
 
-// UnpackChange mocks base method.
-func (m *MockSyncTree) UnpackChange(arg0 *treechangeproto.RawTreeChangeWithId) ([]byte, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "UnpackChange", arg0)
-	ret0, _ := ret[0].([]byte)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// UnpackChange indicates an expected call of UnpackChange.
-func (mr *MockSyncTreeMockRecorder) UnpackChange(arg0 interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UnpackChange", reflect.TypeOf((*MockSyncTree)(nil).UnpackChange), arg0)
-}
-
 // MockReceiveQueue is a mock of ReceiveQueue interface.
 type MockReceiveQueue struct {
 	ctrl     *gomock.Controller

commonspace/object/tree/synctree/queuedclient.go

@@ -0,0 +1,36 @@
+package synctree
+
+import (
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/objectsync"
+)
+
+type queuedClient struct {
+	SyncClient
+	queue objectsync.ActionQueue
+}
+
+func newQueuedClient(client SyncClient, queue objectsync.ActionQueue) SyncClient {
+	return &queuedClient{
+		SyncClient: client,
+		queue:      queue,
+	}
+}
+
+func (q *queuedClient) BroadcastAsync(message *treechangeproto.TreeSyncMessage) (err error) {
+	return q.queue.Send(func() error {
+		return q.SyncClient.BroadcastAsync(message)
+	})
+}
+
+func (q *queuedClient) SendAsync(peerId string, message *treechangeproto.TreeSyncMessage, replyId string) (err error) {
+	return q.queue.Send(func() error {
+		return q.SyncClient.SendAsync(peerId, message, replyId)
+	})
+}
+
+func (q *queuedClient) BroadcastAsyncOrSendResponsible(message *treechangeproto.TreeSyncMessage) (err error) {
+	return q.queue.Send(func() error {
+		return q.SyncClient.BroadcastAsyncOrSendResponsible(message)
+	})
+}

commonspace/object/tree/synctree/receivequeue.go

@@ -2,7 +2,7 @@ package synctree
 
 import (
 	"errors"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
 	"sync"
 )
 

commonspace/object/tree/synctree/requestfactory.go

@@ -1,10 +1,10 @@
-package objectsync
+package synctree
 
 import (
 	"fmt"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/util/slice"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/objecttree"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/util/slice"
 )
 
 type RequestFactory interface {
@@ -14,8 +14,10 @@ type RequestFactory interface {
 	CreateFullSyncResponse(t objecttree.ObjectTree, theirHeads, theirSnapshotPath []string) (*treechangeproto.TreeSyncMessage, error)
 }
 
-func NewRequestFactory() RequestFactory {
-	return &requestFactory{}
+var sharedFactory = &requestFactory{}
+
+func GetRequestFactory() RequestFactory {
+	return sharedFactory
 }
 
 type requestFactory struct{}

commonspace/object/tree/synctree/syncclient.go

@@ -0,0 +1,90 @@
+//go:generate mockgen -destination mock_synctree/mock_synctree.go github.com/anytypeio/any-sync/commonspace/object/tree/synctree SyncClient,SyncTree,ReceiveQueue,HeadNotifiable
+package synctree
+
+import (
+	"github.com/anytypeio/any-sync/commonspace/confconnector"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/objectsync"
+	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
+	"github.com/anytypeio/any-sync/nodeconf"
+)
+
+type SyncClient interface {
+	RequestFactory
+	BroadcastAsync(message *treechangeproto.TreeSyncMessage) (err error)
+	BroadcastAsyncOrSendResponsible(message *treechangeproto.TreeSyncMessage) (err error)
+	SendAsync(peerId string, message *treechangeproto.TreeSyncMessage, replyId string) (err error)
+}
+
+type syncClient struct {
+	objectsync.StreamPool
+	RequestFactory
+	spaceId       string
+	connector     confconnector.ConfConnector
+	configuration nodeconf.Configuration
+
+	checker objectsync.StreamChecker
+}
+
+func newSyncClient(
+	spaceId string,
+	pool objectsync.StreamPool,
+	factory RequestFactory,
+	configuration nodeconf.Configuration,
+	checker objectsync.StreamChecker) SyncClient {
+	return &syncClient{
+		StreamPool:     pool,
+		RequestFactory: factory,
+		configuration:  configuration,
+		checker:        checker,
+		spaceId:        spaceId,
+	}
+}
+
+func (s *syncClient) BroadcastAsync(message *treechangeproto.TreeSyncMessage) (err error) {
+	objMsg, err := marshallTreeMessage(message, message.RootChange.Id, "")
+	if err != nil {
+		return
+	}
+	s.checker.CheckResponsiblePeers()
+	return s.StreamPool.BroadcastAsync(objMsg)
+}
+
+func (s *syncClient) SendAsync(peerId string, message *treechangeproto.TreeSyncMessage, replyId string) (err error) {
+	err = s.checker.CheckPeerConnection(peerId)
+	if err != nil {
+		return
+	}
+
+	objMsg, err := marshallTreeMessage(message, message.RootChange.Id, replyId)
+	if err != nil {
+		return
+	}
+	return s.StreamPool.SendAsync([]string{peerId}, objMsg)
+}
+
+func (s *syncClient) BroadcastAsyncOrSendResponsible(message *treechangeproto.TreeSyncMessage) (err error) {
+	objMsg, err := marshallTreeMessage(message, message.RootChange.Id, "")
+	if err != nil {
+		return
+	}
+
+	if s.configuration.IsResponsible(s.spaceId) {
+		s.checker.CheckResponsiblePeers()
+		return s.StreamPool.SendAsync(s.configuration.NodeIds(s.spaceId), objMsg)
+	}
+	return s.BroadcastAsync(message)
+}
+
+func marshallTreeMessage(message *treechangeproto.TreeSyncMessage, id, replyId string) (objMsg *spacesyncproto.ObjectSyncMessage, err error) {
+	payload, err := message.Marshal()
+	if err != nil {
+		return
+	}
+	objMsg = &spacesyncproto.ObjectSyncMessage{
+		ReplyId:  replyId,
+		Payload:  payload,
+		ObjectId: id,
+	}
+	return
+}

commonspace/object/tree/synctree/syncprotocol_test.go

@@ -1,361 +0,0 @@
-package synctree
-
-import (
-	"context"
-	"github.com/anyproto/any-sync/commonspace/object/accountdata"
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/util/slice"
-	"github.com/gogo/protobuf/proto"
-	"github.com/stretchr/testify/require"
-	"math/rand"
-	"testing"
-	"time"
-)
-
-func TestEmptyClientGetsFullHistory(t *testing.T) {
-	treeId := "treeId"
-	spaceId := "spaceId"
-	keys, err := accountdata.NewRandom()
-	require.NoError(t, err)
-	aclList, err := list.NewTestDerivedAcl(spaceId, keys)
-	require.NoError(t, err)
-	storage := createStorage(treeId, aclList)
-	changeCreator := objecttree.NewMockChangeCreator()
-	deps := fixtureDeps{
-		aclList:     aclList,
-		initStorage: storage.(*treestorage.InMemoryTreeStorage),
-		connectionMap: map[string][]string{
-			"peer1": []string{"peer2"},
-			"peer2": []string{"peer1"},
-		},
-		emptyTrees:  []string{"peer2"},
-		treeBuilder: objecttree.BuildTestableTree,
-	}
-	fx := newProtocolFixture(t, spaceId, deps)
-	fx.run(t)
-	fx.handlers["peer1"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads: nil,
-		RawChanges: []*treechangeproto.RawTreeChangeWithId{
-			changeCreator.CreateRaw("1", aclList.Id(), treeId, true, treeId),
-		},
-	})
-	time.Sleep(100 * time.Millisecond)
-	fx.stop()
-	firstHeads := fx.handlers["peer1"].tree().Heads()
-	secondHeads := fx.handlers["peer2"].tree().Heads()
-	require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
-	require.Equal(t, []string{"1"}, firstHeads)
-	logMsgs := fx.log.batcher.GetAll()
-
-	var fullResponseMsg msgDescription
-	for _, msg := range logMsgs {
-		descr := msg.description()
-		if descr.name == "FullSyncResponse" {
-			fullResponseMsg = descr
-		}
-	}
-	// that means that we got not only the last snapshot, but also the first one
-	require.Len(t, fullResponseMsg.changes, 2)
-}
-
-func TestTreeFuzzyMerge(t *testing.T) {
-	testTreeFuzzyMerge(t, true)
-	testTreeFuzzyMerge(t, false)
-}
-
-func testTreeFuzzyMerge(t *testing.T, withData bool) {
-	var (
-		rnd      = rand.New(rand.NewSource(time.Now().Unix()))
-		levels   = 20
-		perLevel = 20
-		rounds   = 10
-	)
-	for i := 0; i < rounds; i++ {
-		testTreeMerge(t, levels, perLevel, withData, func() bool {
-			return true
-		})
-		testTreeMerge(t, levels, perLevel, withData, func() bool {
-			return false
-		})
-		testTreeMerge(t, levels, perLevel, withData, func() bool {
-			return rnd.Intn(10) > 8
-		})
-		levels += 2
-	}
-}
-
-func testTreeMerge(t *testing.T, levels, perLevel int, hasData bool, isSnapshot func() bool) {
-	treeId := "treeId"
-	spaceId := "spaceId"
-	keys, err := accountdata.NewRandom()
-	require.NoError(t, err)
-	aclList, err := list.NewTestDerivedAcl(spaceId, keys)
-	storage := createStorage(treeId, aclList)
-	changeCreator := objecttree.NewMockChangeCreator()
-	builder := objecttree.BuildTestableTree
-	if hasData {
-		builder = objecttree.BuildEmptyDataTestableTree
-	}
-	params := genParams{
-		prefix:     "peer1",
-		aclId:      aclList.Id(),
-		startIdx:   0,
-		levels:     levels,
-		perLevel:   perLevel,
-		snapshotId: treeId,
-		prevHeads:  []string{treeId},
-		isSnapshot: isSnapshot,
-		hasData:    hasData,
-	}
-	// generating initial tree
-	initialRes := genChanges(changeCreator, params)
-	err = storage.AddRawChangesSetHeads(initialRes.changes, initialRes.heads)
-	require.NoError(t, err)
-	deps := fixtureDeps{
-		aclList:     aclList,
-		initStorage: storage.(*treestorage.InMemoryTreeStorage),
-		connectionMap: map[string][]string{
-			"peer1": []string{"node1"},
-			"peer2": []string{"node1"},
-			"node1": []string{"peer1", "peer2"},
-		},
-		emptyTrees:  []string{"peer2", "node1"},
-		treeBuilder: builder,
-	}
-	fx := newProtocolFixture(t, spaceId, deps)
-	fx.run(t)
-	fx.handlers["peer1"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads:   initialRes.heads,
-		RawChanges: initialRes.changes,
-	})
-	time.Sleep(50 * time.Millisecond)
-	firstHeads := fx.handlers["peer1"].tree().Heads()
-	secondHeads := fx.handlers["peer2"].tree().Heads()
-	require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
-	params = genParams{
-		prefix:   "peer1",
-		aclId:    aclList.Id(),
-		startIdx: levels,
-		levels:   levels,
-		perLevel: perLevel,
-
-		snapshotId: initialRes.snapshotId,
-		prevHeads:  initialRes.heads,
-		isSnapshot: isSnapshot,
-		hasData:    hasData,
-	}
-	// generating different additions to the tree for different peers
-	peer1Res := genChanges(changeCreator, params)
-	params.prefix = "peer2"
-	peer2Res := genChanges(changeCreator, params)
-	fx.handlers["peer1"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads:   peer1Res.heads,
-		RawChanges: peer1Res.changes,
-	})
-	fx.handlers["peer2"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads:   peer2Res.heads,
-		RawChanges: peer2Res.changes,
-	})
-	time.Sleep(50 * time.Millisecond)
-	fx.stop()
-	firstTree := fx.handlers["peer1"].tree()
-	secondTree := fx.handlers["peer2"].tree()
-	firstHeads = firstTree.Heads()
-	secondHeads = secondTree.Heads()
-	require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
-	require.True(t, slice.UnsortedEquals(firstHeads, append(peer1Res.heads, peer2Res.heads...)))
-	firstStorage := firstTree.Storage().(*treestorage.InMemoryTreeStorage)
-	secondStorage := secondTree.Storage().(*treestorage.InMemoryTreeStorage)
-	require.True(t, firstStorage.Equal(secondStorage))
-	if hasData {
-		for _, ch := range secondStorage.Changes {
-			if ch.Id == treeId {
-				continue
-			}
-			unmarshallRaw := &treechangeproto.RawTreeChange{}
-			proto.Unmarshal(ch.RawChange, unmarshallRaw)
-			treeCh := &treechangeproto.TreeChange{}
-			proto.Unmarshal(unmarshallRaw.Payload, treeCh)
-			require.Equal(t, ch.Id, string(treeCh.ChangesData))
-		}
-	}
-}
-
-func TestTreeStorageHasExtraChanges(t *testing.T) {
-	var (
-		rnd      = rand.New(rand.NewSource(time.Now().Unix()))
-		levels   = 20
-		perLevel = 40
-	)
-
-	// simulating cases where one peer has some extra changes saved in storage
-	// and checking that this will not break the sync
-	t.Run("tree storage has extra simple", func(t *testing.T) {
-		testTreeStorageHasExtra(t, levels, perLevel, false, func() bool {
-			return false
-		})
-		testTreeStorageHasExtra(t, levels, perLevel, false, func() bool {
-			return rnd.Intn(10) > 5
-		})
-		testTreeStorageHasExtra(t, levels, perLevel, true, func() bool {
-			return false
-		})
-		testTreeStorageHasExtra(t, levels, perLevel, true, func() bool {
-			return rnd.Intn(10) > 5
-		})
-	})
-	t.Run("tree storage has extra three parts", func(t *testing.T) {
-		testTreeStorageHasExtraThreeParts(t, levels, perLevel, false, func() bool {
-			return false
-		})
-		testTreeStorageHasExtraThreeParts(t, levels, perLevel, false, func() bool {
-			return rnd.Intn(10) > 5
-		})
-		testTreeStorageHasExtraThreeParts(t, levels, perLevel, true, func() bool {
-			return false
-		})
-		testTreeStorageHasExtraThreeParts(t, levels, perLevel, true, func() bool {
-			return rnd.Intn(10) > 5
-		})
-	})
-}
-
-func testTreeStorageHasExtra(t *testing.T, levels, perLevel int, hasData bool, isSnapshot func() bool) {
-	treeId := "treeId"
-	spaceId := "spaceId"
-	keys, err := accountdata.NewRandom()
-	require.NoError(t, err)
-	aclList, err := list.NewTestDerivedAcl(spaceId, keys)
-	storage := createStorage(treeId, aclList)
-	changeCreator := objecttree.NewMockChangeCreator()
-	builder := objecttree.BuildTestableTree
-	if hasData {
-		builder = objecttree.BuildEmptyDataTestableTree
-	}
-	params := genParams{
-		prefix:     "peer1",
-		aclId:      aclList.Id(),
-		startIdx:   0,
-		levels:     levels,
-		perLevel:   perLevel,
-		snapshotId: treeId,
-		prevHeads:  []string{treeId},
-		isSnapshot: isSnapshot,
-		hasData:    hasData,
-	}
-	deps := fixtureDeps{
-		aclList:     aclList,
-		initStorage: storage.(*treestorage.InMemoryTreeStorage),
-		connectionMap: map[string][]string{
-			"peer1": []string{"peer2"},
-			"peer2": []string{"peer1"},
-		},
-		treeBuilder: builder,
-	}
-	fx := newProtocolFixture(t, spaceId, deps)
-
-	// generating initial tree
-	initialRes := genChanges(changeCreator, params)
-	fx.run(t)
-
-	// adding some changes to store, but without updating heads
-	store := fx.handlers["peer1"].tree().Storage().(*treestorage.InMemoryTreeStorage)
-	oldHeads, _ := store.Heads()
-	store.AddRawChangesSetHeads(initialRes.changes, oldHeads)
-
-	// sending those changes to other peer
-	fx.handlers["peer2"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads:   initialRes.heads,
-		RawChanges: initialRes.changes,
-	})
-	time.Sleep(50 * time.Millisecond)
-
-	// here we want that the saved changes in storage should not affect the sync protocol
-	firstHeads := fx.handlers["peer1"].tree().Heads()
-	secondHeads := fx.handlers["peer2"].tree().Heads()
-	require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
-	require.True(t, slice.UnsortedEquals(initialRes.heads, firstHeads))
-}
-
-func testTreeStorageHasExtraThreeParts(t *testing.T, levels, perLevel int, hasData bool, isSnapshot func() bool) {
-	treeId := "treeId"
-	spaceId := "spaceId"
-	keys, err := accountdata.NewRandom()
-	require.NoError(t, err)
-	aclList, err := list.NewTestDerivedAcl(spaceId, keys)
-	storage := createStorage(treeId, aclList)
-	changeCreator := objecttree.NewMockChangeCreator()
-	builder := objecttree.BuildTestableTree
-	if hasData {
-		builder = objecttree.BuildEmptyDataTestableTree
-	}
-	params := genParams{
-		prefix:     "peer1",
-		aclId:      aclList.Id(),
-		startIdx:   0,
-		levels:     levels,
-		perLevel:   perLevel,
-		snapshotId: treeId,
-		prevHeads:  []string{treeId},
-		isSnapshot: isSnapshot,
-		hasData:    hasData,
-	}
-	deps := fixtureDeps{
-		aclList:     aclList,
-		initStorage: storage.(*treestorage.InMemoryTreeStorage),
-		connectionMap: map[string][]string{
-			"peer1": []string{"peer2"},
-			"peer2": []string{"peer1"},
-		},
-		treeBuilder: builder,
-	}
-	fx := newProtocolFixture(t, spaceId, deps)
-
-	// generating parts
-	firstPart := genChanges(changeCreator, params)
-	params.startIdx = levels
-	params.snapshotId = firstPart.snapshotId
-	params.prevHeads = firstPart.heads
-	secondPart := genChanges(changeCreator, params)
-	params.startIdx = levels * 2
-	params.snapshotId = secondPart.snapshotId
-	params.prevHeads = secondPart.heads
-	thirdPart := genChanges(changeCreator, params)
-
-	// adding part1 to first peer and saving part2 and part3 in its storage
-	res, _ := fx.handlers["peer1"].tree().AddRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads:   firstPart.heads,
-		RawChanges: firstPart.changes,
-	})
-	require.True(t, slice.UnsortedEquals(res.Heads, firstPart.heads))
-	store := fx.handlers["peer1"].tree().Storage().(*treestorage.InMemoryTreeStorage)
-	oldHeads, _ := store.Heads()
-	store.AddRawChangesSetHeads(secondPart.changes, oldHeads)
-	store.AddRawChangesSetHeads(thirdPart.changes, oldHeads)
-
-	var peer2Initial []*treechangeproto.RawTreeChangeWithId
-	peer2Initial = append(peer2Initial, firstPart.changes...)
-	peer2Initial = append(peer2Initial, secondPart.changes...)
-
-	// adding part1 and part2 to second peer
-	res, _ = fx.handlers["peer2"].tree().AddRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads:   secondPart.heads,
-		RawChanges: peer2Initial,
-	})
-	require.True(t, slice.UnsortedEquals(res.Heads, secondPart.heads))
-	fx.run(t)
-
-	// sending part3 changes to other peer
-	fx.handlers["peer2"].sendRawChanges(context.Background(), objecttree.RawChangesPayload{
-		NewHeads:   thirdPart.heads,
-		RawChanges: thirdPart.changes,
-	})
-	time.Sleep(50 * time.Millisecond)
-	firstHeads := fx.handlers["peer1"].tree().Heads()
-	secondHeads := fx.handlers["peer2"].tree().Heads()
-	require.True(t, slice.UnsortedEquals(firstHeads, secondHeads))
-	require.True(t, slice.UnsortedEquals(thirdPart.heads, firstHeads))
-}

commonspace/object/tree/synctree/synctree.go

@@ -1,23 +1,24 @@
-//go:generate mockgen -destination mock_synctree/mock_synctree.go github.com/anyproto/any-sync/commonspace/object/tree/synctree SyncTree,ReceiveQueue,HeadNotifiable
 package synctree
 
 import (
 	"context"
 	"errors"
-	"time"
-
-	"github.com/anyproto/any-sync/app/logger"
-	"github.com/anyproto/any-sync/commonspace/object/acl/list"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/synctree/updatelistener"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treestorage"
-	"github.com/anyproto/any-sync/commonspace/objectsync"
-	"github.com/anyproto/any-sync/commonspace/objectsync/synchandler"
-	"github.com/anyproto/any-sync/commonspace/spacestorage"
-	"github.com/anyproto/any-sync/commonspace/syncstatus"
-	"github.com/anyproto/any-sync/net/peer"
-	"github.com/anyproto/any-sync/nodeconf"
+	"fmt"
+	"github.com/anytypeio/any-sync/app/logger"
+	"github.com/anytypeio/any-sync/commonspace/object/acl/list"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/objecttree"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/synctree/updatelistener"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treestorage"
+	"github.com/anytypeio/any-sync/commonspace/objectsync"
+	"github.com/anytypeio/any-sync/commonspace/objectsync/synchandler"
+	spacestorage "github.com/anytypeio/any-sync/commonspace/spacestorage"
+	"github.com/anytypeio/any-sync/commonspace/syncstatus"
+	"github.com/anytypeio/any-sync/net/peer"
+	"github.com/anytypeio/any-sync/nodeconf"
+	"github.com/gogo/protobuf/proto"
 	"go.uber.org/zap"
+	"sync/atomic"
 )
 
 var (
@@ -29,62 +30,151 @@ type HeadNotifiable interface {
 	UpdateHeads(id string, heads []string)
 }
 
-type ListenerSetter interface {
-	SetListener(listener updatelistener.UpdateListener)
-}
-
 type SyncTree interface {
 	objecttree.ObjectTree
 	synchandler.SyncHandler
-	ListenerSetter
-	SyncWithPeer(ctx context.Context, peerId string) (err error)
+	Ping() (err error)
 }
 
 // SyncTree sends head updates to sync service and also sends new changes to update listener
 type syncTree struct {
 	objecttree.ObjectTree
 	synchandler.SyncHandler
-	syncClient objectsync.SyncClient
+	syncClient SyncClient
 	syncStatus syncstatus.StatusUpdater
 	notifiable HeadNotifiable
 	listener   updatelistener.UpdateListener
-	onClose    func(id string)
+	treeUsage  *atomic.Int32
 	isClosed   bool
 	isDeleted  bool
 }
 
-var log = logger.NewNamed("common.commonspace.synctree")
+var log = logger.NewNamed("commonspace.synctree").Sugar()
 
-type ResponsiblePeersGetter interface {
-	GetResponsiblePeers(ctx context.Context) (peers []peer.Peer, err error)
-}
+var buildObjectTree = objecttree.BuildObjectTree
+var createSyncClient = newWrappedSyncClient
 
 type BuildDeps struct {
 	SpaceId            string
-	SyncClient         objectsync.SyncClient
-	Configuration      nodeconf.NodeConf
+	ObjectSync         objectsync.ObjectSync
+	Configuration      nodeconf.Configuration
 	HeadNotifiable     HeadNotifiable
 	Listener           updatelistener.UpdateListener
 	AclList            list.AclList
 	SpaceStorage       spacestorage.SpaceStorage
 	TreeStorage        treestorage.TreeStorage
-	OnClose            func(id string)
+	TreeUsage          *atomic.Int32
 	SyncStatus         syncstatus.StatusUpdater
-	PeerGetter         ResponsiblePeersGetter
-	BuildObjectTree    objecttree.BuildObjectTreeFunc
 	WaitTreeRemoteSync bool
 }
 
+func newWrappedSyncClient(
+	spaceId string,
+	factory RequestFactory,
+	objectSync objectsync.ObjectSync,
+	configuration nodeconf.Configuration) SyncClient {
+	syncClient := newSyncClient(spaceId, objectSync.StreamPool(), factory, configuration, objectSync.StreamChecker())
+	return newQueuedClient(syncClient, objectSync.ActionQueue())
+}
+
 func BuildSyncTreeOrGetRemote(ctx context.Context, id string, deps BuildDeps) (t SyncTree, err error) {
-	var (
-		remoteGetter = treeRemoteGetter{treeId: id, deps: deps}
-		isRemote     bool
-	)
-	deps.TreeStorage, isRemote, err = remoteGetter.getTree(ctx)
+	getTreeRemote := func() (msg *treechangeproto.TreeSyncMessage, err error) {
+		streamChecker := deps.ObjectSync.StreamChecker()
+		peerId, err := peer.CtxPeerId(ctx)
+		if err != nil {
+			streamChecker.CheckResponsiblePeers()
+			peerId, err = streamChecker.FirstResponsiblePeer()
+			if err != nil {
+				return
+			}
+		}
+
+		newTreeRequest := GetRequestFactory().CreateNewTreeRequest()
+		objMsg, err := marshallTreeMessage(newTreeRequest, id, "")
+		if err != nil {
+			return
+		}
+
+		err = deps.ObjectSync.StreamChecker().CheckPeerConnection(peerId)
+		if err != nil {
+			return
+		}
+
+		resp, err := deps.ObjectSync.StreamPool().SendSync(peerId, objMsg)
+		if err != nil {
+			return
+		}
+
+		msg = &treechangeproto.TreeSyncMessage{}
+		err = proto.Unmarshal(resp.Payload, msg)
+		return
+	}
+
+	waitTree := func(wait bool) (msg *treechangeproto.TreeSyncMessage, err error) {
+		if !wait {
+			return getTreeRemote()
+		}
+		for {
+			msg, err = getTreeRemote()
+			if err == nil {
+				return
+			}
+			select {
+			case <-ctx.Done():
+				err = fmt.Errorf("waiting for object %s interrupted, context closed", id)
+				return
+			default:
+				break
+			}
+		}
+	}
+
+	deps.TreeStorage, err = deps.SpaceStorage.TreeStorage(id)
+	if err == nil {
+		return buildSyncTree(ctx, false, deps)
+	}
+
+	if err != nil && err != treestorage.ErrUnknownTreeId {
+		return
+	}
+
+	status, err := deps.SpaceStorage.TreeDeletedStatus(id)
 	if err != nil {
 		return
 	}
-	return buildSyncTree(ctx, isRemote, deps)
+	if status != "" {
+		err = spacestorage.ErrTreeStorageAlreadyDeleted
+		return
+	}
+
+	resp, err := waitTree(deps.WaitTreeRemoteSync)
+	if err != nil {
+		return
+	}
+	if resp.GetContent().GetFullSyncResponse() == nil {
+		err = fmt.Errorf("expected to get full sync response, but got something else")
+		return
+	}
+	fullSyncResp := resp.GetContent().GetFullSyncResponse()
+
+	payload := treestorage.TreeStorageCreatePayload{
+		RootRawChange: resp.RootChange,
+		Changes:       fullSyncResp.Changes,
+		Heads:         fullSyncResp.Heads,
+	}
+
+	// basically building tree with in-memory storage and validating that it was without errors
+	log.With(zap.String("id", id)).Debug("validating tree")
+	err = objecttree.ValidateRawTree(payload, deps.AclList)
+	if err != nil {
+		return
+	}
+	// now we are sure that we can save it to the storage
+	deps.TreeStorage, err = deps.SpaceStorage.CreateTreeStorage(payload)
+	if err != nil {
+		return
+	}
+	return buildSyncTree(ctx, true, deps)
 }
 
 func PutSyncTree(ctx context.Context, payload treestorage.TreeStorageCreatePayload, deps BuildDeps) (t SyncTree, err error) {
@@ -95,40 +185,39 @@ func PutSyncTree(ctx context.Context, payload treestorage.TreeStorageCreatePaylo
 	return buildSyncTree(ctx, true, deps)
 }
 
-func buildSyncTree(ctx context.Context, sendUpdate bool, deps BuildDeps) (t SyncTree, err error) {
-	objTree, err := deps.BuildObjectTree(deps.TreeStorage, deps.AclList)
+func buildSyncTree(ctx context.Context, isFirstBuild bool, deps BuildDeps) (t SyncTree, err error) {
+	objTree, err := buildObjectTree(deps.TreeStorage, deps.AclList)
 	if err != nil {
 		return
 	}
-	syncClient := deps.SyncClient
+	syncClient := createSyncClient(
+		deps.SpaceId,
+		sharedFactory,
+		deps.ObjectSync,
+		deps.Configuration)
 	syncTree := &syncTree{
 		ObjectTree: objTree,
 		syncClient: syncClient,
 		notifiable: deps.HeadNotifiable,
-		onClose:    deps.OnClose,
+		treeUsage:  deps.TreeUsage,
 		listener:   deps.Listener,
 		syncStatus: deps.SyncStatus,
 	}
-	syncHandler := newSyncTreeHandler(deps.SpaceId, syncTree, syncClient, deps.SyncStatus)
+	syncHandler := newSyncTreeHandler(syncTree, syncClient, deps.SyncStatus)
 	syncTree.SyncHandler = syncHandler
 	t = syncTree
 	syncTree.Lock()
 	syncTree.afterBuild()
 	syncTree.Unlock()
 
-	if sendUpdate {
+	if isFirstBuild {
 		headUpdate := syncTree.syncClient.CreateHeadUpdate(t, nil)
 		// send to everybody, because everybody should know that the node or client got new tree
-		syncTree.syncClient.Broadcast(ctx, headUpdate)
+		syncTree.syncClient.BroadcastAsync(headUpdate)
 	}
 	return
 }
 
-func (s *syncTree) SetListener(listener updatelistener.UpdateListener) {
-	// this should be called under lock
-	s.listener = listener
-}
-
 func (s *syncTree) IterateFrom(id string, convert objecttree.ChangeConvertFunc, iterate objecttree.ChangeIterateFunc) (err error) {
 	if err = s.checkAlive(); err != nil {
 		return
@@ -156,7 +245,7 @@ func (s *syncTree) AddContent(ctx context.Context, content objecttree.SignableCh
 	}
 	s.syncStatus.HeadsChange(s.Id(), res.Heads)
 	headUpdate := s.syncClient.CreateHeadUpdate(s, res.Added)
-	s.syncClient.Broadcast(ctx, headUpdate)
+	err = s.syncClient.BroadcastAsync(headUpdate)
 	return
 }
 
@@ -183,16 +272,13 @@ func (s *syncTree) AddRawChanges(ctx context.Context, changesPayload objecttree.
 			s.notifiable.UpdateHeads(s.Id(), res.Heads)
 		}
 		headUpdate := s.syncClient.CreateHeadUpdate(s, res.Added)
-		s.syncClient.Broadcast(ctx, headUpdate)
+		err = s.syncClient.BroadcastAsync(headUpdate)
 	}
 	return
 }
 
 func (s *syncTree) Delete() (err error) {
-	log.Debug("deleting sync tree", zap.String("id", s.Id()))
-	defer func() {
-		log.Debug("deleted sync tree", zap.Error(err), zap.String("id", s.Id()))
-	}()
+	log.With("id", s.Id()).Debug("deleting sync tree")
 	s.Lock()
 	defer s.Unlock()
 	if err = s.checkAlive(); err != nil {
@@ -206,21 +292,14 @@ func (s *syncTree) Delete() (err error) {
 	return
 }
 
-func (s *syncTree) TryClose(objectTTL time.Duration) (bool, error) {
-	return true, s.Close()
-}
-
 func (s *syncTree) Close() (err error) {
-	log.Debug("closing sync tree", zap.String("id", s.Id()))
-	defer func() {
-		log.Debug("closed sync tree", zap.Error(err), zap.String("id", s.Id()))
-	}()
+	log.With("id", s.Id()).Debug("closing sync tree")
 	s.Lock()
 	defer s.Unlock()
 	if s.isClosed {
 		return ErrSyncTreeClosed
 	}
-	s.onClose(s.Id())
+	s.treeUsage.Add(-1)
 	s.isClosed = true
 	return
 }
@@ -235,17 +314,18 @@ func (s *syncTree) checkAlive() (err error) {
 	return
 }
 
-func (s *syncTree) SyncWithPeer(ctx context.Context, peerId string) (err error) {
+func (s *syncTree) Ping() (err error) {
 	s.Lock()
 	defer s.Unlock()
 	headUpdate := s.syncClient.CreateHeadUpdate(s, nil)
-	return s.syncClient.SendWithReply(ctx, peerId, headUpdate.RootChange.Id, headUpdate, "")
+	return s.syncClient.BroadcastAsyncOrSendResponsible(headUpdate)
 }
 
 func (s *syncTree) afterBuild() {
 	if s.listener != nil {
 		s.listener.Rebuild(s)
 	}
+	s.treeUsage.Add(1)
 	if s.notifiable != nil {
 		s.notifiable.UpdateHeads(s.Id(), s.Heads())
 	}

commonspace/object/tree/synctree/synctree_test.go

@@ -2,15 +2,15 @@ package synctree
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree/mock_objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/synctree/updatelistener"
-	"github.com/anyproto/any-sync/commonspace/object/tree/synctree/updatelistener/mock_updatelistener"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/objectsync"
-	"github.com/anyproto/any-sync/commonspace/objectsync/mock_objectsync"
-	"github.com/anyproto/any-sync/commonspace/syncstatus"
-	"github.com/anyproto/any-sync/nodeconf"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/objecttree"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/objecttree/mock_objecttree"
+	"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/tree/synctree/updatelistener/mock_updatelistener"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/objectsync"
+	"github.com/anytypeio/any-sync/commonspace/syncstatus"
+	"github.com/anytypeio/any-sync/nodeconf"
 	"github.com/golang/mock/gomock"
 	"github.com/stretchr/testify/require"
 	"testing"
@@ -18,7 +18,7 @@ import (
 
 type syncTreeMatcher struct {
 	objTree  objecttree.ObjectTree
-	client   objectsync.SyncClient
+	client   SyncClient
 	listener updatelistener.UpdateListener
 }
 
@@ -34,8 +34,8 @@ func (s syncTreeMatcher) String() string {
 	return ""
 }
 
-func syncClientFuncCreator(client objectsync.SyncClient) func(spaceId string, factory objectsync.RequestFactory, objectSync objectsync.ObjectSync, configuration nodeconf.NodeConf) objectsync.SyncClient {
-	return func(spaceId string, factory objectsync.RequestFactory, objectSync objectsync.ObjectSync, configuration nodeconf.NodeConf) objectsync.SyncClient {
+func syncClientFuncCreator(client SyncClient) func(spaceId string, factory RequestFactory, objectSync objectsync.ObjectSync, configuration nodeconf.Configuration) SyncClient {
+	return func(spaceId string, factory RequestFactory, objectSync objectsync.ObjectSync, configuration nodeconf.Configuration) SyncClient {
 		return client
 	}
 }
@@ -46,7 +46,7 @@ func Test_BuildSyncTree(t *testing.T) {
 	defer ctrl.Finish()
 
 	updateListenerMock := mock_updatelistener.NewMockUpdateListener(ctrl)
-	syncClientMock := mock_objectsync.NewMockSyncClient(ctrl)
+	syncClientMock := mock_synctree.NewMockSyncClient(ctrl)
 	objTreeMock := newTestObjMock(mock_objecttree.NewMockObjectTree(ctrl))
 	tr := &syncTree{
 		ObjectTree:  objTreeMock,
@@ -73,7 +73,7 @@ func Test_BuildSyncTree(t *testing.T) {
 		updateListenerMock.EXPECT().Update(tr)
 
 		syncClientMock.EXPECT().CreateHeadUpdate(gomock.Eq(tr), gomock.Eq(changes)).Return(headUpdate)
-		syncClientMock.EXPECT().Broadcast(gomock.Any(), gomock.Eq(headUpdate))
+		syncClientMock.EXPECT().BroadcastAsync(gomock.Eq(headUpdate)).Return(nil)
 		res, err := tr.AddRawChanges(ctx, payload)
 		require.NoError(t, err)
 		require.Equal(t, expectedRes, res)
@@ -95,7 +95,7 @@ func Test_BuildSyncTree(t *testing.T) {
 		updateListenerMock.EXPECT().Rebuild(tr)
 
 		syncClientMock.EXPECT().CreateHeadUpdate(gomock.Eq(tr), gomock.Eq(changes)).Return(headUpdate)
-		syncClientMock.EXPECT().Broadcast(gomock.Any(), gomock.Eq(headUpdate))
+		syncClientMock.EXPECT().BroadcastAsync(gomock.Eq(headUpdate)).Return(nil)
 		res, err := tr.AddRawChanges(ctx, payload)
 		require.NoError(t, err)
 		require.Equal(t, expectedRes, res)
@@ -133,7 +133,7 @@ func Test_BuildSyncTree(t *testing.T) {
 			Return(expectedRes, nil)
 
 		syncClientMock.EXPECT().CreateHeadUpdate(gomock.Eq(tr), gomock.Eq(changes)).Return(headUpdate)
-		syncClientMock.EXPECT().Broadcast(gomock.Any(), gomock.Eq(headUpdate))
+		syncClientMock.EXPECT().BroadcastAsync(gomock.Eq(headUpdate)).Return(nil)
 		res, err := tr.AddContent(ctx, content)
 		require.NoError(t, err)
 		require.Equal(t, expectedRes, res)

commonspace/object/tree/synctree/synctreehandler.go

@@ -2,13 +2,12 @@ package synctree
 
 import (
 	"context"
-	"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
-	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
-	"github.com/anyproto/any-sync/commonspace/objectsync"
-	"github.com/anyproto/any-sync/commonspace/objectsync/synchandler"
-	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
-	"github.com/anyproto/any-sync/commonspace/syncstatus"
-	"github.com/anyproto/any-sync/util/slice"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/objecttree"
+	"github.com/anytypeio/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anytypeio/any-sync/commonspace/objectsync/synchandler"
+	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
+	"github.com/anytypeio/any-sync/commonspace/syncstatus"
+	"github.com/anytypeio/any-sync/util/slice"
 	"github.com/gogo/protobuf/proto"
 	"go.uber.org/zap"
 	"sync"
@@ -16,21 +15,19 @@ import (
 
 type syncTreeHandler struct {
 	objTree     objecttree.ObjectTree
-	syncClient  objectsync.SyncClient
+	syncClient  SyncClient
 	syncStatus  syncstatus.StatusUpdater
 	handlerLock sync.Mutex
-	spaceId     string
 	queue       ReceiveQueue
 }
 
 const maxQueueSize = 5
 
-func newSyncTreeHandler(spaceId string, objTree objecttree.ObjectTree, syncClient objectsync.SyncClient, syncStatus syncstatus.StatusUpdater) synchandler.SyncHandler {
+func newSyncTreeHandler(objTree objecttree.ObjectTree, syncClient SyncClient, syncStatus syncstatus.StatusUpdater) synchandler.SyncHandler {
 	return &syncTreeHandler{
 		objTree:    objTree,
 		syncClient: syncClient,
 		syncStatus: syncStatus,
-		spaceId:    spaceId,
 		queue:      newReceiveQueue(maxQueueSize),
 	}
 }
@@ -41,9 +38,10 @@ func (s *syncTreeHandler) HandleMessage(ctx context.Context, senderId string, ms
 	if err != nil {
 		return
 	}
+
 	s.syncStatus.HeadsReceive(senderId, msg.ObjectId, treechangeproto.GetHeads(unmarshalled))
 
-	queueFull := s.queue.AddMessage(senderId, unmarshalled, msg.RequestId)
+	queueFull := s.queue.AddMessage(senderId, unmarshalled, msg.ReplyId)
 	if queueFull {
 		return
 	}
@@ -82,44 +80,38 @@ func (s *syncTreeHandler) handleHeadUpdate(
 		fullRequest   *treechangeproto.TreeSyncMessage
 		isEmptyUpdate = len(update.Changes) == 0
 		objTree       = s.objTree
-		treeId        = objTree.Id()
 	)
-	log := log.With(
-		zap.Strings("update heads", update.Heads),
-		zap.String("treeId", treeId),
-		zap.String("spaceId", s.spaceId),
-		zap.Int("len(update changes)", len(update.Changes)))
-	log.DebugCtx(ctx, "received head update message")
+
+	log := log.With("senderId", senderId).
+		With("heads", objTree.Heads()).
+		With("treeId", objTree.Id())
+	log.Debug("received head update message")
 
 	defer func() {
 		if err != nil {
-			log.ErrorCtx(ctx, "head update finished with error", zap.Error(err))
+			log.With(zap.Error(err)).Debug("head update finished with error")
 		} else if fullRequest != nil {
-			cnt := fullRequest.Content.GetFullSyncRequest()
-			log = log.With(zap.Strings("request heads", cnt.Heads), zap.Int("len(request changes)", len(cnt.Changes)))
-			log.DebugCtx(ctx, "sending full sync request")
+			log.Debug("sending full sync request")
 		} else {
 			if !isEmptyUpdate {
-				log.DebugCtx(ctx, "head update finished correctly")
+				log.Debug("head update finished correctly")
 			}
 		}
 	}()
 
 	// isEmptyUpdate is sent when the tree is brought up from cache
 	if isEmptyUpdate {
-		headEquals := slice.UnsortedEquals(objTree.Heads(), update.Heads)
-		log.DebugCtx(ctx, "is empty update", zap.String("treeId", objTree.Id()), zap.Bool("headEquals", headEquals))
-		if headEquals {
+		log.With("treeId", objTree.Id()).Debug("is empty update")
+		if slice.UnsortedEquals(objTree.Heads(), update.Heads) {
 			return
 		}
-
 		// we need to sync in any case
 		fullRequest, err = s.syncClient.CreateFullSyncRequest(objTree, update.Heads, update.SnapshotPath)
 		if err != nil {
 			return
 		}
 
-		return s.syncClient.SendWithReply(ctx, senderId, treeId, fullRequest, replyId)
+		return s.syncClient.SendAsync(senderId, fullRequest, replyId)
 	}
 
 	if s.alreadyHasHeads(objTree, update.Heads) {
@@ -143,7 +135,7 @@ func (s *syncTreeHandler) handleHeadUpdate(
 		return
 	}
 
-	return s.syncClient.SendWithReply(ctx, senderId, treeId, fullRequest, replyId)
+	return s.syncClient.SendAsync(senderId, fullRequest, replyId)
 }
 
 func (s *syncTreeHandler) handleFullSyncRequest(
@@ -155,26 +147,22 @@ func (s *syncTreeHandler) handleFullSyncRequest(
 		fullResponse *treechangeproto.TreeSyncMessage
 		header       = s.objTree.Header()
 		objTree      = s.objTree
-		treeId       = s.objTree.Id()
 	)
 
-	log := log.With(zap.String("senderId", senderId),
-		zap.Strings("request heads", request.Heads),
-		zap.String("treeId", treeId),
-		zap.String("replyId", replyId),
-		zap.String("spaceId", s.spaceId),
-		zap.Int("len(request changes)", len(request.Changes)))
-	log.DebugCtx(ctx, "received full sync request message")
+	log := log.With("senderId", senderId).
+		With("heads", request.Heads).
+		With("treeId", s.objTree.Id()).
+		With("replyId", replyId)
+	log.Debug("received full sync request message")
 
 	defer func() {
 		if err != nil {
-			log.ErrorCtx(ctx, "full sync request finished with error", zap.Error(err))
-			s.syncClient.SendWithReply(ctx, senderId, treeId, treechangeproto.WrapError(treechangeproto.ErrFullSync, header), replyId)
+			log.With(zap.Error(err)).Debug("full sync request finished with error")
+
+			s.syncClient.SendAsync(senderId, treechangeproto.WrapError(err, header), replyId)
 			return
 		} else if fullResponse != nil {
-			cnt := fullResponse.Content.GetFullSyncResponse()
-			log = log.With(zap.Strings("response heads", cnt.Heads), zap.Int("len(response changes)", len(cnt.Changes)))
-			log.DebugCtx(ctx, "full sync response sent")
+			log.Debug("full sync response sent")
 		}
 	}()
 
@@ -192,7 +180,7 @@ func (s *syncTreeHandler) handleFullSyncRequest(
 		return
 	}
 
-	return s.syncClient.SendWithReply(ctx, senderId, treeId, fullResponse, replyId)
+	return s.syncClient.SendAsync(senderId, fullResponse, replyId)
 }
 
 func (s *syncTreeHandler) handleFullSyncResponse(
@@ -201,20 +189,17 @@ func (s *syncTreeHandler) handleFullSyncResponse(
 	response *treechangeproto.TreeFullSyncResponse) (err error) {
 	var (
 		objTree = s.objTree
-		treeId  = s.objTree.Id()
 	)
-	log := log.With(
-		zap.Strings("heads", response.Heads),
-		zap.String("treeId", treeId),
-		zap.String("spaceId", s.spaceId),
-		zap.Int("len(changes)", len(response.Changes)))
-	log.DebugCtx(ctx, "received full sync response message")
+	log := log.With("senderId", senderId).
+		With("heads", response.Heads).
+		With("treeId", s.objTree.Id())
+	log.Debug("received full sync response message")
 
 	defer func() {
 		if err != nil {
-			log.ErrorCtx(ctx, "full sync response failed", zap.Error(err))
+			log.With(zap.Error(err)).Debug("full sync response failed")
 		} else {
-			log.DebugCtx(ctx, "full sync response succeeded")
+			log.Debug("full sync response succeeded")
 		}
 	}()