Add pull space method to proto and provide get space

client/clientspace/rpchandler.go

@@ -2,43 +2,43 @@ package clientspace
 
 import (
 	"context"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/spacesyncproto"
-	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/storage"
-	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/treegetter"
-	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/pkg/acl/aclrecordproto"
 )
 
 type rpcHandler struct {
 	s *service
 }
 
-func (r *rpcHandler) PushSpace(ctx context.Context, req *spacesyncproto.PushSpaceRequest) (resp *spacesyncproto.PushSpaceResponse, err error) {
+func (r *rpcHandler) PullSpace(ctx context.Context, request *spacesyncproto.PullSpaceRequest) (resp *spacesyncproto.PullSpaceResponse, err error) {
-	_, err = r.s.GetSpace(ctx, req.SpaceHeader.Id)
+	sp, err := r.s.GetSpace(ctx, request.Id)
-	if err == nil {
-		err = spacesyncproto.ErrSpaceExists
-		return
-	}
-	if err != treegetter.ErrSpaceNotFound {
-		err = spacesyncproto.ErrUnexpected
-		return
-	}
-
-	payload := storage.SpaceStorageCreatePayload{
-		RecWithId: &aclrecordproto.RawACLRecordWithId{
-			Payload: req.AclPayload,
-			Id:      req.AclPayloadId,
-		},
-		SpaceHeaderWithId: req.SpaceHeader,
-	}
-	st, err := r.s.spaceStorageProvider.CreateSpaceStorage(payload)
 	if err != nil {
-		err = spacesyncproto.ErrUnexpected
+		if err != spacesyncproto.ErrSpaceMissing {
-		if err == storage.ErrSpaceStorageExists {
+			err = spacesyncproto.ErrUnexpected
-			err = spacesyncproto.ErrSpaceExists
 		}
 		return
 	}
-	st.Close()
+
+	description := sp.Description()
+	resp = &spacesyncproto.PullSpaceResponse{
+		SpaceHeader:  description.SpaceHeader,
+		AclPayload:   description.AclPayload,
+		AclPayloadId: description.AclId,
+	}
+	return
+}
+
+func (r *rpcHandler) PushSpace(ctx context.Context, req *spacesyncproto.PushSpaceRequest) (resp *spacesyncproto.PushSpaceResponse, err error) {
+	description := commonspace.SpaceDescription{
+		SpaceHeader: req.SpaceHeader,
+		AclId:       req.AclPayloadId,
+		AclPayload:  req.AclPayload,
+	}
+	err = r.s.AddSpace(ctx, description)
+	if err != nil {
+		return
+	}
+	resp = &spacesyncproto.PushSpaceResponse{}
 	return
 }
 

client/clientspace/service.go

@@ -23,6 +23,7 @@ func New() Service {
 
 type Service interface {
 	GetSpace(ctx context.Context, id string) (commonspace.Space, error)
+	AddSpace(ctx context.Context, description commonspace.SpaceDescription) (err error)
 	CreateSpace(ctx context.Context, payload commonspace.SpaceCreatePayload) (commonspace.Space, error)
 	DeriveSpace(ctx context.Context, payload commonspace.SpaceDerivePayload) (commonspace.Space, error)
 	app.ComponentRunnable
@@ -92,6 +93,10 @@ func (s *service) GetSpace(ctx context.Context, id string) (container commonspac
 	return v.(commonspace.Space), nil
 }
 
+func (s *service) AddSpace(ctx context.Context, description commonspace.SpaceDescription) (err error) {
+	return s.commonSpace.AddSpace(ctx, description)
+}
+
 func (s *service) Close(ctx context.Context) (err error) {
 	return s.spaceCache.Close()
 }

common/commonspace/service.go

@@ -6,12 +6,15 @@ import (
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/app"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/app/logger"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/diffservice"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/spacesyncproto"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/storage"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/syncservice"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/treegetter"
 	config2 "github.com/anytypeio/go-anytype-infrastructure-experiments/common/config"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/net/peer"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/net/pool"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/nodeconf"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/pkg/acl/aclrecordproto"
 )
 
 const CName = "common.commonspace"
@@ -26,6 +29,7 @@ type Service interface {
 	DeriveSpace(ctx context.Context, payload SpaceDerivePayload) (string, error)
 	CreateSpace(ctx context.Context, payload SpaceCreatePayload) (string, error)
 	GetSpace(ctx context.Context, id string) (sp Space, err error)
+	AddSpace(ctx context.Context, spaceDescription SpaceDescription) (err error)
 	app.Component
 }
 
@@ -82,10 +86,48 @@ func (s *service) DeriveSpace(
 	return store.ID(), nil
 }
 
+func (s *service) AddSpace(ctx context.Context, spaceDescription SpaceDescription) (err error) {
+	_, err = s.storageProvider.SpaceStorage(spaceDescription.SpaceHeader.Id)
+	if err == nil {
+		err = spacesyncproto.ErrSpaceExists
+		return
+	}
+	if err != storage.ErrSpaceStorageMissing {
+		err = spacesyncproto.ErrUnexpected
+		return
+	}
+
+	payload := storage.SpaceStorageCreatePayload{
+		RecWithId: &aclrecordproto.RawACLRecordWithId{
+			Payload: spaceDescription.AclPayload,
+			Id:      spaceDescription.AclId,
+		},
+		SpaceHeaderWithId: spaceDescription.SpaceHeader,
+	}
+	st, err := s.storageProvider.CreateSpaceStorage(payload)
+	if err != nil {
+		err = spacesyncproto.ErrUnexpected
+		if err == storage.ErrSpaceStorageExists {
+			err = spacesyncproto.ErrSpaceExists
+		}
+		return
+	}
+	err = st.Close()
+	return
+}
+
 func (s *service) GetSpace(ctx context.Context, id string) (Space, error) {
 	st, err := s.storageProvider.SpaceStorage(id)
 	if err != nil {
-		return nil, err
+		if err != storage.ErrSpaceStorageMissing {
+			return nil, err
+		}
+
+		st, err = s.getSpaceStorageFromRemote(ctx, id)
+		if err != nil {
+			err = storage.ErrSpaceStorageMissing
+			return nil, err
+		}
 	}
 
 	lastConfiguration := s.configurationService.GetLast()
@@ -106,3 +148,38 @@ func (s *service) GetSpace(ctx context.Context, id string) (Space, error) {
 	}
 	return sp, nil
 }
+
+func (s *service) getSpaceStorageFromRemote(ctx context.Context, id string) (st storage.SpaceStorage, err error) {
+	var p peer.Peer
+	peerId, err := syncservice.GetPeerIdFromStreamContext(ctx)
+	if err == nil {
+		p, err = s.pool.Dial(ctx, peerId)
+		if err != nil {
+			return
+		}
+	} else {
+		lastConfiguration := s.configurationService.GetLast()
+		// for nodes we always get remote space only if we have id in the context
+		if lastConfiguration.IsResponsible(id) {
+			err = spacesyncproto.ErrSpaceMissing
+			return
+		}
+		p, err = s.pool.DialOneOf(ctx, lastConfiguration.NodeIds(id))
+		if err != nil {
+			return
+		}
+	}
+	cl := spacesyncproto.NewDRPCSpaceClient(p)
+	res, err := cl.PullSpace(ctx, &spacesyncproto.PullSpaceRequest{Id: id})
+	if err != nil {
+		return
+	}
+	st, err = s.storageProvider.CreateSpaceStorage(storage.SpaceStorageCreatePayload{
+		RecWithId: &aclrecordproto.RawACLRecordWithId{
+			Payload: res.AclPayload,
+			Id:      res.AclPayloadId,
+		},
+		SpaceHeaderWithId: res.SpaceHeader,
+	})
+	return
+}

common/commonspace/space.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/account"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/diffservice"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/spacesyncproto"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/storage"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/syncacl"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/syncservice"
@@ -45,6 +46,12 @@ type SpaceDerivePayload struct {
 	EncryptionKey encryptionkey.PrivKey
 }
 
+type SpaceDescription struct {
+	SpaceHeader *spacesyncproto.RawSpaceHeaderWithId
+	AclId       string
+	AclPayload  []byte
+}
+
 func NewSpaceId(id string, repKey uint64) string {
 	return fmt.Sprintf("%s.%d", id, repKey)
 }
@@ -52,6 +59,7 @@ func NewSpaceId(id string, repKey uint64) string {
 type Space interface {
 	Id() string
 	StoredIds() []string
+	Description() SpaceDescription
 
 	SpaceSyncRpc() RpcHandler
 
@@ -63,8 +71,9 @@ type Space interface {
 }
 
 type space struct {
-	id string
+	id     string
-	mu sync.RWMutex
+	mu     sync.RWMutex
+	header *spacesyncproto.RawSpaceHeaderWithId
 
 	rpc *rpcHandler
 
@@ -87,7 +96,21 @@ func (s *space) Id() string {
 	return s.id
 }
 
+func (s *space) Description() SpaceDescription {
+	root := s.aclList.Root()
+	return SpaceDescription{
+		SpaceHeader: s.header,
+		AclId:       root.Id,
+		AclPayload:  root.Payload,
+	}
+}
+
 func (s *space) Init(ctx context.Context) (err error) {
+	header, err := s.storage.SpaceHeader()
+	if err != nil {
+		return
+	}
+	s.header = header
 	s.rpc = &rpcHandler{s: s}
 	initialIds, err := s.storage.StoredIds()
 	if err != nil {

common/commonspace/spacesyncproto/mock_spacesyncproto/mock_spacesyncproto.go

@@ -65,6 +65,21 @@ func (mr *MockDRPCSpaceClientMockRecorder) HeadSync(arg0, arg1 interface{}) *gom
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "HeadSync", reflect.TypeOf((*MockDRPCSpaceClient)(nil).HeadSync), arg0, arg1)
 }
 
+// PullSpace mocks base method.
+func (m *MockDRPCSpaceClient) PullSpace(arg0 context.Context, arg1 *spacesyncproto.PullSpaceRequest) (*spacesyncproto.PullSpaceResponse, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "PullSpace", arg0, arg1)
+	ret0, _ := ret[0].(*spacesyncproto.PullSpaceResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// PullSpace indicates an expected call of PullSpace.
+func (mr *MockDRPCSpaceClientMockRecorder) PullSpace(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PullSpace", reflect.TypeOf((*MockDRPCSpaceClient)(nil).PullSpace), arg0, arg1)
+}
+
 // PushSpace mocks base method.
 func (m *MockDRPCSpaceClient) PushSpace(arg0 context.Context, arg1 *spacesyncproto.PushSpaceRequest) (*spacesyncproto.PushSpaceResponse, error) {
 	m.ctrl.T.Helper()

common/commonspace/spacesyncproto/protos/spacesync.proto

@@ -15,6 +15,8 @@ service Space {
     rpc HeadSync(HeadSyncRequest) returns (HeadSyncResponse);
     // PushSpace sends new space to the node
     rpc PushSpace(PushSpaceRequest) returns (PushSpaceResponse);
+    // PullSpace gets space from the remote peer
+    rpc PullSpace(PullSpaceRequest) returns (PullSpaceResponse);
     // Stream opens object sync stream with node or client
     rpc Stream(stream ObjectSyncMessage) returns (stream ObjectSyncMessage);
 }
@@ -70,6 +72,18 @@ message PushSpaceRequest {
 // PushSpaceResponse is an empty response
 message PushSpaceResponse {}
 
+// PullSpaceRequest is a request to request a space on a node that doesn't have it
+message PullSpaceRequest {
+    string id = 1;
+}
+
+// PullSpaceResponse is a response with header and acl root
+message PullSpaceResponse {
+    RawSpaceHeaderWithId spaceHeader = 1;
+    bytes aclPayload = 2;
+    string aclPayloadId = 3;
+}
+
 // SpaceHeader is a header for a space
 message SpaceHeader {
     bytes identity = 1;

common/commonspace/spacesyncproto/spacesync.pb.go

@@ -493,6 +493,112 @@ func (m *PushSpaceResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_PushSpaceResponse proto.InternalMessageInfo
 
+// PullSpaceRequest is a request to request a space on a node that doesn't have it
+type PullSpaceRequest struct {
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (m *PullSpaceRequest) Reset()         { *m = PullSpaceRequest{} }
+func (m *PullSpaceRequest) String() string { return proto.CompactTextString(m) }
+func (*PullSpaceRequest) ProtoMessage()    {}
+func (*PullSpaceRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_80e49f1f4ac27799, []int{8}
+}
+func (m *PullSpaceRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *PullSpaceRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_PullSpaceRequest.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *PullSpaceRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PullSpaceRequest.Merge(m, src)
+}
+func (m *PullSpaceRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *PullSpaceRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_PullSpaceRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PullSpaceRequest proto.InternalMessageInfo
+
+func (m *PullSpaceRequest) GetId() string {
+	if m != nil {
+		return m.Id
+	}
+	return ""
+}
+
+// PullSpaceResponse is a response with header and acl root
+type PullSpaceResponse struct {
+	SpaceHeader  *RawSpaceHeaderWithId `protobuf:"bytes,1,opt,name=spaceHeader,proto3" json:"spaceHeader,omitempty"`
+	AclPayload   []byte                `protobuf:"bytes,2,opt,name=aclPayload,proto3" json:"aclPayload,omitempty"`
+	AclPayloadId string                `protobuf:"bytes,3,opt,name=aclPayloadId,proto3" json:"aclPayloadId,omitempty"`
+}
+
+func (m *PullSpaceResponse) Reset()         { *m = PullSpaceResponse{} }
+func (m *PullSpaceResponse) String() string { return proto.CompactTextString(m) }
+func (*PullSpaceResponse) ProtoMessage()    {}
+func (*PullSpaceResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_80e49f1f4ac27799, []int{9}
+}
+func (m *PullSpaceResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *PullSpaceResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_PullSpaceResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *PullSpaceResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_PullSpaceResponse.Merge(m, src)
+}
+func (m *PullSpaceResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *PullSpaceResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_PullSpaceResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_PullSpaceResponse proto.InternalMessageInfo
+
+func (m *PullSpaceResponse) GetSpaceHeader() *RawSpaceHeaderWithId {
+	if m != nil {
+		return m.SpaceHeader
+	}
+	return nil
+}
+
+func (m *PullSpaceResponse) GetAclPayload() []byte {
+	if m != nil {
+		return m.AclPayload
+	}
+	return nil
+}
+
+func (m *PullSpaceResponse) GetAclPayloadId() string {
+	if m != nil {
+		return m.AclPayloadId
+	}
+	return ""
+}
+
 // SpaceHeader is a header for a space
 type SpaceHeader struct {
 	Identity       []byte `protobuf:"bytes,1,opt,name=identity,proto3" json:"identity,omitempty"`
@@ -506,7 +612,7 @@ func (m *SpaceHeader) Reset()         { *m = SpaceHeader{} }
 func (m *SpaceHeader) String() string { return proto.CompactTextString(m) }
 func (*SpaceHeader) ProtoMessage()    {}
 func (*SpaceHeader) Descriptor() ([]byte, []int) {
-	return fileDescriptor_80e49f1f4ac27799, []int{8}
+	return fileDescriptor_80e49f1f4ac27799, []int{10}
 }
 func (m *SpaceHeader) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -579,7 +685,7 @@ func (m *RawSpaceHeader) Reset()         { *m = RawSpaceHeader{} }
 func (m *RawSpaceHeader) String() string { return proto.CompactTextString(m) }
 func (*RawSpaceHeader) ProtoMessage()    {}
 func (*RawSpaceHeader) Descriptor() ([]byte, []int) {
-	return fileDescriptor_80e49f1f4ac27799, []int{9}
+	return fileDescriptor_80e49f1f4ac27799, []int{11}
 }
 func (m *RawSpaceHeader) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -631,7 +737,7 @@ func (m *RawSpaceHeaderWithId) Reset()         { *m = RawSpaceHeaderWithId{} }
 func (m *RawSpaceHeaderWithId) String() string { return proto.CompactTextString(m) }
 func (*RawSpaceHeaderWithId) ProtoMessage()    {}
 func (*RawSpaceHeaderWithId) Descriptor() ([]byte, []int) {
-	return fileDescriptor_80e49f1f4ac27799, []int{10}
+	return fileDescriptor_80e49f1f4ac27799, []int{12}
 }
 func (m *RawSpaceHeaderWithId) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -684,6 +790,8 @@ func init() {
 	proto.RegisterType((*ObjectSyncMessage)(nil), "anySpace.ObjectSyncMessage")
 	proto.RegisterType((*PushSpaceRequest)(nil), "anySpace.PushSpaceRequest")
 	proto.RegisterType((*PushSpaceResponse)(nil), "anySpace.PushSpaceResponse")
+	proto.RegisterType((*PullSpaceRequest)(nil), "anySpace.PullSpaceRequest")
+	proto.RegisterType((*PullSpaceResponse)(nil), "anySpace.PullSpaceResponse")
 	proto.RegisterType((*SpaceHeader)(nil), "anySpace.SpaceHeader")
 	proto.RegisterType((*RawSpaceHeader)(nil), "anySpace.RawSpaceHeader")
 	proto.RegisterType((*RawSpaceHeaderWithId)(nil), "anySpace.RawSpaceHeaderWithId")
@@ -694,50 +802,53 @@ func init() {
 }
 
 var fileDescriptor_80e49f1f4ac27799 = []byte{
-	// 685 bytes of a gzipped FileDescriptorProto
+	// 721 bytes of a gzipped FileDescriptorProto
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+	0x6d, 0x24, 0x63, 0xce, 0x7c, 0x52, 0x08, 0xbb, 0xf6, 0x5f, 0xa6, 0x73, 0x9b, 0xb3, 0xa7, 0x3d,
-	0x0d, 0x00, 0x00, 0xff, 0xff, 0xc9, 0x45, 0x08, 0x76, 0xb8, 0x05, 0x00, 0x00,
+	0xd4, 0x9e, 0x3f, 0xf9, 0x79, 0x69, 0x6a, 0x17, 0x97, 0xa6, 0xf6, 0xfb, 0xd2, 0xd4, 0xbe, 0x5c,
+	0x99, 0x95, 0x8b, 0x2b, 0xb3, 0xf2, 0xeb, 0xca, 0xac, 0xbc, 0xef, 0xdc, 0xfc, 0xcb, 0x74, 0xb2,
+	0x86, 0x7f, 0x1e, 0xff, 0x09, 0x00, 0x00, 0xff, 0xff, 0xf7, 0x95, 0x5b, 0xbc, 0xbe, 0x06, 0x00,
+	0x00,
 }
 
 func (m *HeadSyncRange) Marshal() (dAtA []byte, err error) {
@@ -1068,6 +1179,85 @@ func (m *PushSpaceResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *PullSpaceRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *PullSpaceRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *PullSpaceRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Id) > 0 {
+		i -= len(m.Id)
+		copy(dAtA[i:], m.Id)
+		i = encodeVarintSpacesync(dAtA, i, uint64(len(m.Id)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *PullSpaceResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *PullSpaceResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *PullSpaceResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.AclPayloadId) > 0 {
+		i -= len(m.AclPayloadId)
+		copy(dAtA[i:], m.AclPayloadId)
+		i = encodeVarintSpacesync(dAtA, i, uint64(len(m.AclPayloadId)))
+		i--
+		dAtA[i] = 0x1a
+	}
+	if len(m.AclPayload) > 0 {
+		i -= len(m.AclPayload)
+		copy(dAtA[i:], m.AclPayload)
+		i = encodeVarintSpacesync(dAtA, i, uint64(len(m.AclPayload)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if m.SpaceHeader != nil {
+		{
+			size, err := m.SpaceHeader.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintSpacesync(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
 func (m *SpaceHeader) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1353,6 +1543,40 @@ func (m *PushSpaceResponse) Size() (n int) {
 	return n
 }
 
+func (m *PullSpaceRequest) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Id)
+	if l > 0 {
+		n += 1 + l + sovSpacesync(uint64(l))
+	}
+	return n
+}
+
+func (m *PullSpaceResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.SpaceHeader != nil {
+		l = m.SpaceHeader.Size()
+		n += 1 + l + sovSpacesync(uint64(l))
+	}
+	l = len(m.AclPayload)
+	if l > 0 {
+		n += 1 + l + sovSpacesync(uint64(l))
+	}
+	l = len(m.AclPayloadId)
+	if l > 0 {
+		n += 1 + l + sovSpacesync(uint64(l))
+	}
+	return n
+}
+
 func (m *SpaceHeader) Size() (n int) {
 	if m == nil {
 		return 0
@@ -2360,6 +2584,240 @@ func (m *PushSpaceResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *PullSpaceRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowSpacesync
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: PullSpaceRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: PullSpaceRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Id", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSpacesync
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Id = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipSpacesync(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *PullSpaceResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowSpacesync
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: PullSpaceResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: PullSpaceResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SpaceHeader", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSpacesync
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.SpaceHeader == nil {
+				m.SpaceHeader = &RawSpaceHeaderWithId{}
+			}
+			if err := m.SpaceHeader.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field AclPayload", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSpacesync
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.AclPayload = append(m.AclPayload[:0], dAtA[iNdEx:postIndex]...)
+			if m.AclPayload == nil {
+				m.AclPayload = []byte{}
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field AclPayloadId", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSpacesync
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.AclPayloadId = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipSpacesync(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthSpacesync
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *SpaceHeader) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0

common/commonspace/spacesyncproto/spacesync_drpc.pb.go

@@ -42,6 +42,7 @@ type DRPCSpaceClient interface {
 
 	HeadSync(ctx context.Context, in *HeadSyncRequest) (*HeadSyncResponse, error)
 	PushSpace(ctx context.Context, in *PushSpaceRequest) (*PushSpaceResponse, error)
+	PullSpace(ctx context.Context, in *PullSpaceRequest) (*PullSpaceResponse, error)
 	Stream(ctx context.Context) (DRPCSpace_StreamClient, error)
 }
 
@@ -73,6 +74,15 @@ func (c *drpcSpaceClient) PushSpace(ctx context.Context, in *PushSpaceRequest) (
 	return out, nil
 }
 
+func (c *drpcSpaceClient) PullSpace(ctx context.Context, in *PullSpaceRequest) (*PullSpaceResponse, error) {
+	out := new(PullSpaceResponse)
+	err := c.cc.Invoke(ctx, "/anySpace.Space/PullSpace", drpcEncoding_File_commonspace_spacesyncproto_protos_spacesync_proto{}, in, out)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *drpcSpaceClient) Stream(ctx context.Context) (DRPCSpace_StreamClient, error) {
 	stream, err := c.cc.NewStream(ctx, "/anySpace.Space/Stream", drpcEncoding_File_commonspace_spacesyncproto_protos_spacesync_proto{})
 	if err != nil {
@@ -111,6 +121,7 @@ func (x *drpcSpace_StreamClient) RecvMsg(m *ObjectSyncMessage) error {
 type DRPCSpaceServer interface {
 	HeadSync(context.Context, *HeadSyncRequest) (*HeadSyncResponse, error)
 	PushSpace(context.Context, *PushSpaceRequest) (*PushSpaceResponse, error)
+	PullSpace(context.Context, *PullSpaceRequest) (*PullSpaceResponse, error)
 	Stream(DRPCSpace_StreamStream) error
 }
 
@@ -124,13 +135,17 @@ func (s *DRPCSpaceUnimplementedServer) PushSpace(context.Context, *PushSpaceRequ
 	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
 }
 
+func (s *DRPCSpaceUnimplementedServer) PullSpace(context.Context, *PullSpaceRequest) (*PullSpaceResponse, error) {
+	return nil, drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
+}
+
 func (s *DRPCSpaceUnimplementedServer) Stream(DRPCSpace_StreamStream) error {
 	return drpcerr.WithCode(errors.New("Unimplemented"), drpcerr.Unimplemented)
 }
 
 type DRPCSpaceDescription struct{}
 
-func (DRPCSpaceDescription) NumMethods() int { return 3 }
+func (DRPCSpaceDescription) NumMethods() int { return 4 }
 
 func (DRPCSpaceDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver, interface{}, bool) {
 	switch n {
@@ -153,6 +168,15 @@ func (DRPCSpaceDescription) Method(n int) (string, drpc.Encoding, drpc.Receiver,
 					)
 			}, DRPCSpaceServer.PushSpace, true
 	case 2:
+		return "/anySpace.Space/PullSpace", drpcEncoding_File_commonspace_spacesyncproto_protos_spacesync_proto{},
+			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
+				return srv.(DRPCSpaceServer).
+					PullSpace(
+						ctx,
+						in1.(*PullSpaceRequest),
+					)
+			}, DRPCSpaceServer.PullSpace, true
+	case 3:
 		return "/anySpace.Space/Stream", drpcEncoding_File_commonspace_spacesyncproto_protos_spacesync_proto{},
 			func(srv interface{}, ctx context.Context, in1, in2 interface{}) (drpc.Message, error) {
 				return nil, srv.(DRPCSpaceServer).
@@ -201,6 +225,22 @@ func (x *drpcSpace_PushSpaceStream) SendAndClose(m *PushSpaceResponse) error {
 	return x.CloseSend()
 }
 
+type DRPCSpace_PullSpaceStream interface {
+	drpc.Stream
+	SendAndClose(*PullSpaceResponse) error
+}
+
+type drpcSpace_PullSpaceStream struct {
+	drpc.Stream
+}
+
+func (x *drpcSpace_PullSpaceStream) SendAndClose(m *PullSpaceResponse) error {
+	if err := x.MsgSend(m, drpcEncoding_File_commonspace_spacesyncproto_protos_spacesync_proto{}); err != nil {
+		return err
+	}
+	return x.CloseSend()
+}
+
 type DRPCSpace_StreamStream interface {
 	drpc.Stream
 	Send(*ObjectSyncMessage) error

common/commonspace/syncservice/streampool_test.go

@@ -27,6 +27,10 @@ func (t *testServer) PushSpace(ctx context.Context, request *spacesyncproto.Push
 	panic("implement me")
 }
 
+func (t *testServer) PullSpace(ctx context.Context, request *spacesyncproto.PullSpaceRequest) (*spacesyncproto.PullSpaceResponse, error) {
+	panic("implement me")
+}
+
 func (t *testServer) Stream(stream spacesyncproto.DRPCSpace_StreamStream) error {
 	t.stream <- stream
 	return <-t.releaseStream

common/nodeconf/confconnector.go

@@ -21,19 +21,19 @@ func NewConfConnector(conf Configuration, pool pool.Pool) ConfConnector {
 }
 
 func (s *confConnector) GetResponsiblePeers(ctx context.Context, spaceId string) ([]peer.Peer, error) {
-	return s.dialOrConnect(ctx, spaceId, s.pool.Get, s.pool.GetOneOf)
+	return s.connectOneOrMany(ctx, spaceId, s.pool.Get, s.pool.GetOneOf)
 }
 
 func (s *confConnector) DialResponsiblePeers(ctx context.Context, spaceId string) ([]peer.Peer, error) {
-	return s.dialOrConnect(ctx, spaceId, s.pool.Dial, s.pool.DialOneOf)
+	return s.connectOneOrMany(ctx, spaceId, s.pool.Dial, s.pool.DialOneOf)
 }
 
-func (s *confConnector) dialOrConnect(
+func (s *confConnector) connectOneOrMany(
 	ctx context.Context, spaceId string,
 	connectOne func(context.Context, string) (peer.Peer, error),
 	connectOneOf func(context.Context, []string) (peer.Peer, error)) (peers []peer.Peer, err error) {
 	allNodes := s.conf.NodeIds(spaceId)
-	if !s.conf.IsResponsible(spaceId) {
+	if s.conf.IsResponsible(spaceId) {
 		for _, id := range allNodes {
 			var p peer.Peer
 			p, err = connectOne(ctx, id)

common/pkg/acl/list/list.go

@@ -25,7 +25,7 @@ type RWLocker interface {
 type ACLList interface {
 	RWLocker
 	ID() string
-	Root() *aclrecordproto.ACLRoot
+	Root() *aclrecordproto.RawACLRecordWithId
 	Records() []*ACLRecord
 	ACLState() *ACLState
 	IsAfter(first string, second string) (bool, error)
@@ -38,7 +38,7 @@ type ACLList interface {
 }
 
 type aclList struct {
-	root    *aclrecordproto.ACLRoot
+	root    *aclrecordproto.RawACLRecordWithId
 	records []*ACLRecord
 	indexes map[string]int
 	id      string
@@ -114,13 +114,9 @@ func build(id string, stateBuilder *aclStateBuilder, recBuilder ACLRecordBuilder
 	if err != nil {
 		return
 	}
-	aclRecRoot, err := recBuilder.ConvertFromRaw(rootWithId)
-	if err != nil {
-		return
-	}
 
 	list = &aclList{
-		root:          aclRecRoot.Model.(*aclrecordproto.ACLRoot),
+		root:          rootWithId,
 		records:       records,
 		indexes:       indexes,
 		stateBuilder:  stateBuilder,
@@ -141,7 +137,7 @@ func (a *aclList) ID() string {
 	return a.id
 }
 
-func (a *aclList) Root() *aclrecordproto.ACLRoot {
+func (a *aclList) Root() *aclrecordproto.RawACLRecordWithId {
 	return a.root
 }
 

common/pkg/acl/list/mock_list/mock_list.go

@@ -211,10 +211,10 @@ func (mr *MockACLListMockRecorder) Records() *gomock.Call {
 }
 
 // Root mocks base method.
-func (m *MockACLList) Root() *aclrecordproto.ACLRoot {
+func (m *MockACLList) Root() *aclrecordproto.RawACLRecordWithId {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Root")
-	ret0, _ := ret[0].(*aclrecordproto.ACLRoot)
+	ret0, _ := ret[0].(*aclrecordproto.RawACLRecordWithId)
 	return ret0
 }
 

node/nodespace/rpchandler.go

@@ -2,42 +2,43 @@ package nodespace
 
 import (
 	"context"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace"
 	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/spacesyncproto"
-	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/commonspace/storage"
-	"github.com/anytypeio/go-anytype-infrastructure-experiments/common/pkg/acl/aclrecordproto"
 )
 
 type rpcHandler struct {
 	s *service
 }
 
-func (r *rpcHandler) PushSpace(ctx context.Context, req *spacesyncproto.PushSpaceRequest) (resp *spacesyncproto.PushSpaceResponse, err error) {
+func (r *rpcHandler) PullSpace(ctx context.Context, request *spacesyncproto.PullSpaceRequest) (resp *spacesyncproto.PullSpaceResponse, err error) {
-	_, err = r.s.GetSpace(ctx, req.SpaceHeader.Id)
+	sp, err := r.s.GetSpace(ctx, request.Id)
-	if err == nil {
-		err = spacesyncproto.ErrSpaceExists
-		return
-	}
-	if err != storage.ErrSpaceStorageMissing {
-		err = spacesyncproto.ErrUnexpected
-		return
-	}
-
-	payload := storage.SpaceStorageCreatePayload{
-		RecWithId: &aclrecordproto.RawACLRecordWithId{
-			Payload: req.AclPayload,
-			Id:      req.AclPayloadId,
-		},
-		SpaceHeaderWithId: req.SpaceHeader,
-	}
-	st, err := r.s.spaceStorageProvider.CreateSpaceStorage(payload)
 	if err != nil {
-		err = spacesyncproto.ErrUnexpected
+		if err != spacesyncproto.ErrSpaceMissing {
-		if err == storage.ErrSpaceStorageExists {
+			err = spacesyncproto.ErrUnexpected
-			err = spacesyncproto.ErrSpaceExists
 		}
 		return
 	}
-	st.Close()
+
+	description := sp.Description()
+	resp = &spacesyncproto.PullSpaceResponse{
+		SpaceHeader:  description.SpaceHeader,
+		AclPayload:   description.AclPayload,
+		AclPayloadId: description.AclId,
+	}
+	return
+}
+
+func (r *rpcHandler) PushSpace(ctx context.Context, req *spacesyncproto.PushSpaceRequest) (resp *spacesyncproto.PushSpaceResponse, err error) {
+	description := commonspace.SpaceDescription{
+		SpaceHeader: req.SpaceHeader,
+		AclId:       req.AclPayloadId,
+		AclPayload:  req.AclPayload,
+	}
+	err = r.s.AddSpace(ctx, description)
+	if err != nil {
+		return
+	}
+	resp = &spacesyncproto.PushSpaceResponse{}
 	return
 }
 

node/nodespace/service.go

@@ -22,6 +22,7 @@ func New() Service {
 }
 
 type Service interface {
+	AddSpace(ctx context.Context, description commonspace.SpaceDescription) (err error)
 	GetSpace(ctx context.Context, id string) (commonspace.Space, error)
 	app.ComponentRunnable
 }
@@ -68,6 +69,10 @@ func (s *service) GetSpace(ctx context.Context, id string) (commonspace.Space, e
 	return v.(commonspace.Space), nil
 }
 
+func (s *service) AddSpace(ctx context.Context, description commonspace.SpaceDescription) (err error) {
+	return s.commonSpace.AddSpace(ctx, description)
+}
+
 func (s *service) Close(ctx context.Context) (err error) {
 	return s.spaceCache.Close()
 }