Merge pull request #21 from anyproto/add-treegetter-get-timeout

Go 1466 client version

app/app.go

@@ -61,6 +61,7 @@ type App struct {
 	startStat      Stat
 	stopStat       Stat
 	deviceState    int
+	versionName    string
 	anySyncVersion string
 }
 
@@ -78,6 +79,19 @@ func (app *App) Version() string {
 	return GitSummary
 }
 
+// SetVersionName sets the custom application version
+func (app *App) SetVersionName(v string) {
+	app.versionName = v
+}
+
+// VersionName returns a string with the settled app version or auto-generated version if it didn't set
+func (app *App) VersionName() string {
+	if app.versionName != "" {
+		return app.versionName
+	}
+	return AppName + ":" + GitSummary + "/any-sync:" + app.anySyncVersion
+}
+
 type Stat struct {
 	SpentMsPerComp map[string]int64
 	SpentMsTotal   int64

commonspace/object/tree/synctree/synctree.go

@@ -59,19 +59,19 @@ type ResponsiblePeersGetter interface {
 }
 
 type BuildDeps struct {
-	SpaceId            string
-	SyncClient         SyncClient
-	Configuration      nodeconf.NodeConf
-	HeadNotifiable     HeadNotifiable
-	Listener           updatelistener.UpdateListener
-	AclList            list.AclList
-	SpaceStorage       spacestorage.SpaceStorage
-	TreeStorage        treestorage.TreeStorage
-	OnClose            func(id string)
-	SyncStatus         syncstatus.StatusUpdater
-	PeerGetter         ResponsiblePeersGetter
-	BuildObjectTree    objecttree.BuildObjectTreeFunc
-	WaitTreeRemoteSync bool
+	SpaceId         string
+	SyncClient      SyncClient
+	Configuration   nodeconf.NodeConf
+	HeadNotifiable  HeadNotifiable
+	Listener        updatelistener.UpdateListener
+	AclList         list.AclList
+	SpaceStorage    spacestorage.SpaceStorage
+	TreeStorage     treestorage.TreeStorage
+	OnClose         func(id string)
+	SyncStatus      syncstatus.StatusUpdater
+	PeerGetter      ResponsiblePeersGetter
+	BuildObjectTree objecttree.BuildObjectTreeFunc
+	RetryTimeout    time.Duration
 }
 
 func BuildSyncTreeOrGetRemote(ctx context.Context, id string, deps BuildDeps) (t SyncTree, err error) {

commonspace/object/tree/synctree/treeremotegetter.go

@@ -2,7 +2,9 @@ package synctree
 
 import (
 	"context"
-	"fmt"
+	"errors"
+	"time"
+
 	"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"
@@ -11,7 +13,13 @@ import (
 	"github.com/anyproto/any-sync/net/rpc/rpcerr"
 	"github.com/gogo/protobuf/proto"
 	"go.uber.org/zap"
-	"time"
+)
+
+var (
+	newRequestTimeout = 1 * time.Second
+
+	ErrRetryTimeout       = errors.New("failed to retry request")
+	ErrNoResponsiblePeers = errors.New("no responsible peers")
 )
 
 type treeRemoteGetter struct {
@@ -36,7 +44,7 @@ func (t treeRemoteGetter) getPeers(ctx context.Context) (peerIds []string, err e
 		return
 	}
 	if len(respPeers) == 0 {
-		err = fmt.Errorf("no responsible peers")
+		err = ErrNoResponsiblePeers
 		return
 	}
 	for _, p := range respPeers {
@@ -57,36 +65,30 @@ func (t treeRemoteGetter) treeRequest(ctx context.Context, peerId string) (msg *
 	return
 }
 
-func (t treeRemoteGetter) treeRequestLoop(ctx context.Context, wait bool) (msg *treechangeproto.TreeSyncMessage, err error) {
+func (t treeRemoteGetter) treeRequestLoop(ctx context.Context, retryTimeout time.Duration) (msg *treechangeproto.TreeSyncMessage, err error) {
 	peerIdx := 0
-Loop:
+	retryCtx, cancel := context.WithTimeout(ctx, retryTimeout)
+	defer cancel()
 	for {
-		select {
-		case <-ctx.Done():
-			return nil, fmt.Errorf("waiting for object %s interrupted, context closed", t.treeId)
-		default:
-			break
-		}
 		availablePeers, err := t.getPeers(ctx)
 		if err != nil {
-			if !wait {
+			if retryTimeout == 0 {
 				return nil, err
 			}
-			select {
-			// wait for peers to connect
-			case <-time.After(1 * time.Second):
-				continue Loop
-			case <-ctx.Done():
-				return nil, fmt.Errorf("waiting for object %s interrupted, context closed", t.treeId)
+		} else {
+			peerIdx = peerIdx % len(availablePeers)
+			msg, err = t.treeRequest(ctx, availablePeers[peerIdx])
+			if err == nil || retryTimeout == 0 {
+				return msg, err
 			}
+			peerIdx++
 		}
-
-		peerIdx = peerIdx % len(availablePeers)
-		msg, err = t.treeRequest(ctx, availablePeers[peerIdx])
-		if err == nil || !wait {
-			return msg, err
+		select {
+		case <-time.After(newRequestTimeout):
+			break
+		case <-retryCtx.Done():
+			return nil, ErrRetryTimeout
 		}
-		peerIdx++
 	}
 }
 
@@ -109,7 +111,7 @@ func (t treeRemoteGetter) getTree(ctx context.Context) (treeStorage treestorage.
 	}
 
 	isRemote = true
-	resp, err := t.treeRequestLoop(ctx, t.deps.WaitTreeRemoteSync)
+	resp, err := t.treeRequestLoop(ctx, t.deps.RetryTimeout)
 	if err != nil {
 		return
 	}

commonspace/object/tree/synctree/treeremotegetter_test.go

@@ -0,0 +1,142 @@
+package synctree
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/anyproto/any-sync/commonspace/object/tree/synctree/mock_synctree"
+	"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
+	"github.com/anyproto/any-sync/commonspace/peermanager/mock_peermanager"
+	"github.com/anyproto/any-sync/commonspace/spacesyncproto"
+	"github.com/anyproto/any-sync/net/peer"
+	"github.com/anyproto/any-sync/net/peer/mock_peer"
+	"github.com/gogo/protobuf/proto"
+	"github.com/golang/mock/gomock"
+	"github.com/stretchr/testify/require"
+)
+
+type treeRemoteGetterFixture struct {
+	ctrl *gomock.Controller
+
+	treeGetter     treeRemoteGetter
+	syncClientMock *mock_synctree.MockSyncClient
+	peerGetterMock *mock_peermanager.MockPeerManager
+}
+
+func newTreeRemoteGetterFixture(t *testing.T) *treeRemoteGetterFixture {
+	ctrl := gomock.NewController(t)
+	syncClientMock := mock_synctree.NewMockSyncClient(ctrl)
+	peerGetterMock := mock_peermanager.NewMockPeerManager(ctrl)
+	treeGetter := treeRemoteGetter{
+		deps: BuildDeps{
+			SyncClient: syncClientMock,
+			PeerGetter: peerGetterMock,
+		},
+		treeId: "treeId",
+	}
+	return &treeRemoteGetterFixture{
+		ctrl:           ctrl,
+		treeGetter:     treeGetter,
+		syncClientMock: syncClientMock,
+		peerGetterMock: peerGetterMock,
+	}
+}
+
+func (fx *treeRemoteGetterFixture) stop() {
+	fx.ctrl.Finish()
+}
+
+func TestTreeRemoteGetter(t *testing.T) {
+	newRequestTimeout = 20 * time.Millisecond
+	retryTimeout := 2 * newRequestTimeout
+	ctx := context.Background()
+	peerId := "peerId"
+	treeRequest := &treechangeproto.TreeSyncMessage{}
+	treeResponse := &treechangeproto.TreeSyncMessage{
+		RootChange: &treechangeproto.RawTreeChangeWithId{Id: "id"},
+	}
+	marshalled, _ := proto.Marshal(treeResponse)
+	objectResponse := &spacesyncproto.ObjectSyncMessage{
+		Payload: marshalled,
+	}
+
+	t.Run("request works", func(t *testing.T) {
+		fx := newTreeRemoteGetterFixture(t)
+		defer fx.stop()
+		mockPeer := mock_peer.NewMockPeer(fx.ctrl)
+		mockPeer.EXPECT().Id().AnyTimes().Return(peerId)
+		fx.peerGetterMock.EXPECT().GetResponsiblePeers(ctx).Return([]peer.Peer{mockPeer}, nil)
+		fx.syncClientMock.EXPECT().CreateNewTreeRequest().Return(treeRequest)
+		fx.syncClientMock.EXPECT().SendRequest(ctx, peerId, fx.treeGetter.treeId, treeRequest).Return(objectResponse, nil)
+		resp, err := fx.treeGetter.treeRequestLoop(ctx, 0)
+		require.NoError(t, err)
+		require.Equal(t, "id", resp.RootChange.Id)
+	})
+
+	t.Run("request peerId from context", func(t *testing.T) {
+		fx := newTreeRemoteGetterFixture(t)
+		defer fx.stop()
+		ctx := peer.CtxWithPeerId(ctx, peerId)
+		fx.syncClientMock.EXPECT().CreateNewTreeRequest().Return(treeRequest)
+		fx.syncClientMock.EXPECT().SendRequest(ctx, peerId, fx.treeGetter.treeId, treeRequest).Return(objectResponse, nil)
+		resp, err := fx.treeGetter.treeRequestLoop(ctx, 0)
+		require.NoError(t, err)
+		require.Equal(t, "id", resp.RootChange.Id)
+	})
+
+	t.Run("request fails", func(t *testing.T) {
+		fx := newTreeRemoteGetterFixture(t)
+		defer fx.stop()
+		mockPeer := mock_peer.NewMockPeer(fx.ctrl)
+		mockPeer.EXPECT().Id().AnyTimes().Return(peerId)
+		fx.peerGetterMock.EXPECT().GetResponsiblePeers(ctx).Return([]peer.Peer{mockPeer}, nil)
+		fx.syncClientMock.EXPECT().CreateNewTreeRequest().Return(treeRequest)
+		fx.syncClientMock.EXPECT().SendRequest(ctx, peerId, fx.treeGetter.treeId, treeRequest).Return(nil, fmt.Errorf("failed"))
+		_, err := fx.treeGetter.treeRequestLoop(ctx, 0)
+		require.Error(t, err)
+		require.NotEqual(t, ErrRetryTimeout, err)
+	})
+
+	t.Run("retry request success", func(t *testing.T) {
+		fx := newTreeRemoteGetterFixture(t)
+		defer fx.stop()
+		mockPeer := mock_peer.NewMockPeer(fx.ctrl)
+		mockPeer.EXPECT().Id().AnyTimes().Return(peerId)
+		fx.peerGetterMock.EXPECT().GetResponsiblePeers(ctx).AnyTimes().Return([]peer.Peer{mockPeer}, nil)
+		fx.syncClientMock.EXPECT().CreateNewTreeRequest().AnyTimes().Return(treeRequest)
+		fx.syncClientMock.EXPECT().SendRequest(ctx, peerId, fx.treeGetter.treeId, treeRequest).Times(1).Return(nil, fmt.Errorf("some"))
+		fx.syncClientMock.EXPECT().SendRequest(ctx, peerId, fx.treeGetter.treeId, treeRequest).Times(1).Return(objectResponse, nil)
+		resp, err := fx.treeGetter.treeRequestLoop(ctx, retryTimeout)
+		require.NoError(t, err)
+		require.Equal(t, "id", resp.RootChange.Id)
+	})
+
+	t.Run("retry get peers success", func(t *testing.T) {
+		fx := newTreeRemoteGetterFixture(t)
+		defer fx.stop()
+		mockPeer := mock_peer.NewMockPeer(fx.ctrl)
+		mockPeer.EXPECT().Id().AnyTimes().Return(peerId)
+		fx.peerGetterMock.EXPECT().GetResponsiblePeers(ctx).Times(1).Return([]peer.Peer{}, nil)
+		fx.peerGetterMock.EXPECT().GetResponsiblePeers(ctx).Times(1).Return([]peer.Peer{mockPeer}, nil)
+		fx.syncClientMock.EXPECT().CreateNewTreeRequest().AnyTimes().Return(treeRequest)
+		fx.syncClientMock.EXPECT().SendRequest(ctx, peerId, fx.treeGetter.treeId, treeRequest).Times(1).Return(objectResponse, nil)
+		resp, err := fx.treeGetter.treeRequestLoop(ctx, retryTimeout)
+		require.NoError(t, err)
+		require.Equal(t, "id", resp.RootChange.Id)
+	})
+
+	t.Run("retry request fail", func(t *testing.T) {
+		fx := newTreeRemoteGetterFixture(t)
+		defer fx.stop()
+		treeRequest := &treechangeproto.TreeSyncMessage{}
+		mockPeer := mock_peer.NewMockPeer(fx.ctrl)
+		mockPeer.EXPECT().Id().AnyTimes().Return(peerId)
+		fx.peerGetterMock.EXPECT().GetResponsiblePeers(ctx).AnyTimes().Return([]peer.Peer{mockPeer}, nil)
+		fx.syncClientMock.EXPECT().CreateNewTreeRequest().AnyTimes().Return(treeRequest)
+		fx.syncClientMock.EXPECT().SendRequest(ctx, peerId, fx.treeGetter.treeId, treeRequest).AnyTimes().Return(nil, fmt.Errorf("some"))
+		_, err := fx.treeGetter.treeRequestLoop(ctx, retryTimeout)
+		require.Equal(t, ErrRetryTimeout, err)
+	})
+}

commonspace/objecttreebuilder/treebuilder.go

@@ -4,6 +4,9 @@ package objecttreebuilder
 import (
 	"context"
 	"errors"
+	"sync/atomic"
+	"time"
+
 	"github.com/anyproto/any-sync/app"
 	"github.com/anyproto/any-sync/app/logger"
 	"github.com/anyproto/any-sync/commonspace/headsync"
@@ -22,13 +25,12 @@ import (
 	"github.com/anyproto/any-sync/commonspace/syncstatus"
 	"github.com/anyproto/any-sync/nodeconf"
 	"go.uber.org/zap"
-	"sync/atomic"
 )
 
 type BuildTreeOpts struct {
-	Listener           updatelistener.UpdateListener
-	WaitTreeRemoteSync bool
-	TreeBuilder        objecttree.BuildObjectTreeFunc
+	Listener     updatelistener.UpdateListener
+	RetryTimeout time.Duration
+	TreeBuilder  objecttree.BuildObjectTreeFunc
 }
 
 const CName = "common.commonspace.objecttreebuilder"
@@ -110,18 +112,18 @@ func (t *treeBuilder) BuildTree(ctx context.Context, id string, opts BuildTreeOp
 		treeBuilder = t.builder
 	}
 	deps := synctree.BuildDeps{
-		SpaceId:            t.spaceId,
-		SyncClient:         t.syncClient,
-		Configuration:      t.configuration,
-		HeadNotifiable:     t.headsNotifiable,
-		Listener:           opts.Listener,
-		AclList:            t.aclList,
-		SpaceStorage:       t.spaceStorage,
-		OnClose:            t.onClose,
-		SyncStatus:         t.syncStatus,
-		WaitTreeRemoteSync: opts.WaitTreeRemoteSync,
-		PeerGetter:         t.peerManager,
-		BuildObjectTree:    treeBuilder,
+		SpaceId:         t.spaceId,
+		SyncClient:      t.syncClient,
+		Configuration:   t.configuration,
+		HeadNotifiable:  t.headsNotifiable,
+		Listener:        opts.Listener,
+		AclList:         t.aclList,
+		SpaceStorage:    t.spaceStorage,
+		OnClose:         t.onClose,
+		SyncStatus:      t.syncStatus,
+		RetryTimeout:    opts.RetryTimeout,
+		PeerGetter:      t.peerManager,
+		BuildObjectTree: treeBuilder,
 	}
 	t.treesUsed.Add(1)
 	t.log.Debug("incrementing counter", zap.String("id", id), zap.Int32("trees", t.treesUsed.Load()))

commonspace/requestmanager/requestmanager.go

@@ -2,6 +2,8 @@ package requestmanager
 
 import (
 	"context"
+	"sync"
+
 	"github.com/anyproto/any-sync/app"
 	"github.com/anyproto/any-sync/app/logger"
 	"github.com/anyproto/any-sync/commonspace/objectsync"
@@ -11,7 +13,6 @@ import (
 	"github.com/anyproto/any-sync/net/streampool"
 	"go.uber.org/zap"
 	"storj.io/drpc"
-	"sync"
 )
 
 const CName = "common.commonspace.requestmanager"

commonspace/settings/settings.go

@@ -2,6 +2,8 @@ package settings
 
 import (
 	"context"
+	"sync/atomic"
+
 	"github.com/anyproto/any-sync/accountservice"
 	"github.com/anyproto/any-sync/app"
 	"github.com/anyproto/any-sync/commonspace/deletionstate"
@@ -16,7 +18,6 @@ import (
 	"github.com/anyproto/any-sync/commonspace/spacestorage"
 	"github.com/anyproto/any-sync/nodeconf"
 	"go.uber.org/zap"
-	"sync/atomic"
 )
 
 const CName = "common.commonspace.settings"
@@ -61,8 +62,7 @@ func (s *settings) Init(a *app.App) (err error) {
 	deps := Deps{
 		BuildFunc: func(ctx context.Context, id string, listener updatelistener.UpdateListener) (t synctree.SyncTree, err error) {
 			res, err := s.treeBuilder.BuildTree(ctx, id, objecttreebuilder.BuildTreeOpts{
-				Listener:           listener,
-				WaitTreeRemoteSync: false,
+				Listener: listener,
 				// space settings document should not have empty data
 				TreeBuilder: objecttree.BuildObjectTree,
 			})

go.mod

@@ -22,13 +22,13 @@ require (
 	github.com/ipfs/go-ipfs-blockstore v1.3.1
 	github.com/ipfs/go-ipfs-chunker v0.0.6
 	github.com/ipfs/go-ipfs-exchange-interface v0.2.1
-	github.com/ipfs/go-ipld-format v0.4.0
-	github.com/ipfs/go-merkledag v0.10.0
+	github.com/ipfs/go-ipld-format v0.5.0
+	github.com/ipfs/go-merkledag v0.11.0
 	github.com/ipfs/go-unixfs v0.4.6
 	github.com/libp2p/go-libp2p v0.27.5
 	github.com/mr-tron/base58 v1.2.0
 	github.com/multiformats/go-multibase v0.2.0
-	github.com/multiformats/go-multihash v0.2.2
+	github.com/multiformats/go-multihash v0.2.3
 	github.com/prometheus/client_golang v1.15.1
 	github.com/stretchr/testify v1.8.4
 	github.com/tyler-smith/go-bip39 v1.1.0
@@ -66,8 +66,7 @@ require (
 	github.com/ipfs/go-ipfs-files v0.2.0 // indirect
 	github.com/ipfs/go-ipfs-posinfo v0.0.1 // indirect
 	github.com/ipfs/go-ipfs-util v0.0.2 // indirect
-	github.com/ipfs/go-ipld-cbor v0.0.6 // indirect
-	github.com/ipfs/go-ipld-legacy v0.1.1 // indirect
+	github.com/ipfs/go-ipld-legacy v0.2.1 // indirect
 	github.com/ipfs/go-log v1.0.5 // indirect
 	github.com/ipfs/go-log/v2 v2.5.1 // indirect
 	github.com/ipfs/go-metrics-interface v0.0.1 // indirect
@@ -100,7 +99,6 @@ require (
 	github.com/quic-go/quic-go v0.35.1 // indirect
 	github.com/quic-go/webtransport-go v0.5.3 // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
-	github.com/whyrusleeping/cbor-gen v0.0.0-20200123233031-1cdf64d27158 // indirect
 	github.com/whyrusleeping/chunker v0.0.0-20181014151217-fe64bd25879f // indirect
 	github.com/zeebo/errs v1.3.0 // indirect
 	go.opentelemetry.io/otel v1.7.0 // indirect
@@ -110,7 +108,6 @@ require (
 	golang.org/x/sync v0.2.0 // indirect
 	golang.org/x/sys v0.8.0 // indirect
 	golang.org/x/tools v0.9.3 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/protobuf v1.30.0 // indirect
 	lukechampine.com/blake3 v1.2.1 // indirect
 )

go.sum

@@ -38,7 +38,6 @@ github.com/flynn/noise v1.0.0 h1:DlTHqmzmvcEiKj+4RYo/imoswx/4r6iBlCMfVtrMXpQ=
 github.com/fogleman/gg v1.3.0 h1:/7zJX8F6AaYQc57WQCyN9cAIz+4bCJGO9B+dyW29am8=
 github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
 github.com/francoispqt/gojay v1.2.13 h1:d2m3sFjloqoIUQU3TsHBgj6qg/BVGlTBeHDUmyJnXKk=
-github.com/frankban/quicktest v1.11.3/go.mod h1:wRf/ReqHper53s+kmmSZizM8NamnL3IM0I9ntUbOk+k=
 github.com/frankban/quicktest v1.14.4 h1:g2rn0vABPOOXmZUj+vbmUp0lPoXEMuhTpIluN0XL9UY=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
@@ -61,8 +60,6 @@ github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
@@ -74,7 +71,6 @@ github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
-github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gxed/hashland/keccakpg v0.0.1/go.mod h1:kRzw3HkwxFU1mpmPP8v1WyQzwdGfmKFJ6tItnhQ67kU=
 github.com/gxed/hashland/murmur3 v0.0.1/go.mod h1:KjXop02n4/ckmZSnY2+HKcLud/tcmvhST0bie/0lS48=
 github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+lJfyTc=
@@ -93,17 +89,12 @@ github.com/ipfs/go-bitfield v1.1.0 h1:fh7FIo8bSwaJEh6DdTWbCeZ1eqOaOkKFI74SCnsWbG
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@@ -132,21 +123,18 @@ github.com/ipfs/go-ipfs-routing v0.3.0 h1:9W/W3N+g+y4ZDeffSgqhgo7BsBSJwPMcyssET9
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@@ -156,7 +144,6 @@ github.com/ipfs/go-verifcid v0.0.1 h1:m2HI7zIuR5TFyQ1b79Da5N9dnnCP1vcu2QqawmWlK2
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@@ -165,9 +152,7 @@ github.com/jbenet/go-temp-err-catcher v0.1.0 h1:zpb3ZH6wIE8Shj2sKS+khgRvf7T7RABo
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@@ -179,12 +164,10 @@ github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8t
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@@ -210,14 +193,12 @@ github.com/minio/sha256-simd v0.1.1-0.20190913151208-6de447530771/go.mod h1:B5e1
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@@ -225,22 +206,17 @@ github.com/multiformats/go-multiaddr v0.9.0/go.mod h1:mI67Lb1EeTOYb8GQfL/7wpIZwc
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@@ -253,8 +229,6 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
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@@ -275,10 +249,7 @@ github.com/quic-go/webtransport-go v0.5.3/go.mod h1:OhmmgJIzTTqXK5xvtuX0oBpLV2Gk
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 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
-github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
 github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
@@ -292,11 +263,7 @@ github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXl
 github.com/tyler-smith/go-bip39 v1.1.0 h1:5eUemwrMargf3BSLRRCalXT93Ns6pQJIjYQN2nyfOP8=
 github.com/tyler-smith/go-bip39 v1.1.0/go.mod h1:gUYDtqQw1JS3ZJ8UWVcGTGqqr6YIN3CWg+kkNaLt55U=
 github.com/warpfork/go-testmark v0.11.0 h1:J6LnV8KpceDvo7spaNU4+DauH2n1x+6RaO2rJrmpQ9U=
-github.com/warpfork/go-wish v0.0.0-20180510122957-5ad1f5abf436/go.mod h1:x6AKhvSSexNrVSrViXSHUEbICjmGXhtgABaHIySUSGw=
 github.com/warpfork/go-wish v0.0.0-20200122115046-b9ea61034e4a h1:G++j5e0OC488te356JvdhaM8YS6nMsjLAYF7JxCv07w=
-github.com/warpfork/go-wish v0.0.0-20200122115046-b9ea61034e4a/go.mod h1:x6AKhvSSexNrVSrViXSHUEbICjmGXhtgABaHIySUSGw=
-github.com/whyrusleeping/cbor-gen v0.0.0-20200123233031-1cdf64d27158 h1:WXhVOwj2USAXB5oMDwRl3piOux2XMV9TANaYxXHdkoE=
-github.com/whyrusleeping/cbor-gen v0.0.0-20200123233031-1cdf64d27158/go.mod h1:Xj/M2wWU+QdTdRbu/L/1dIZY8/Wb2K9pAhtroQuxJJI=
 github.com/whyrusleeping/chunker v0.0.0-20181014151217-fe64bd25879f h1:jQa4QT2UP9WYv2nzyawpKMOCl+Z/jW7djv2/J50lj9E=
 github.com/whyrusleeping/chunker v0.0.0-20181014151217-fe64bd25879f/go.mod h1:p9UJB6dDgdPgMJZs7UjUOdulKyRr9fqkS+6JKAInPy8=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -337,7 +304,6 @@ golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200602180216-279210d13fed/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g=
 golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0=
@@ -376,11 +342,9 @@ golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190219092855-153ac476189d/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210309074719-68d13333faf2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -392,7 +356,6 @@ golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@@ -404,7 +367,6 @@ golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -420,7 +382,6 @@ golang.org/x/tools v0.9.3/go.mod h1:owI94Op576fPu3cIGQeHs3joujW/2Oc6MtlxbF5dfNc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=

metric/log.go

@@ -31,6 +31,10 @@ func PeerId(val string) zap.Field {
 	return zap.String("peerId", val)
 }
 
+func PeerVersion(val string) zap.Field {
+	return zap.String("peerVersion", val)
+}
+
 func Identity(val string) zap.Field {
 	return zap.String("identity", val)
 }
@@ -61,5 +65,5 @@ func (m *metric) RequestLog(ctx context.Context, rpc string, fields ...zap.Field
 	if ak != nil {
 		acc = ak.Account()
 	}
-	m.rpcLog.Info("", append(fields, m.appField, PeerId(peerId), Identity(acc), Method(rpc))...)
+	m.rpcLog.Info("", append(fields, m.appField, PeerId(peerId), Identity(acc), Method(rpc), PeerVersion(peer.CtxPeerClientVersion(ctx)))...)
 }

net/peer/context.go

@@ -14,6 +14,7 @@ const (
 	contextKeyPeerId contextKey = iota
 	contextKeyIdentity
 	contextKeyPeerAddr
+	contextKeyPeerClientVersion
 )
 
 var (
@@ -50,6 +51,19 @@ func CtxWithPeerAddr(ctx context.Context, addr string) context.Context {
 	return context.WithValue(ctx, contextKeyPeerAddr, addr)
 }
 
+// CtxPeerClientVersion returns peer client version
+func CtxPeerClientVersion(ctx context.Context) string {
+	if p, ok := ctx.Value(contextKeyPeerClientVersion).(string); ok {
+		return p
+	}
+	return ""
+}
+
+// CtxWithClientVersion sets peer clientVersion to the context
+func CtxWithClientVersion(ctx context.Context, addr string) context.Context {
+	return context.WithValue(ctx, contextKeyPeerClientVersion, addr)
+}
+
 // CtxIdentity returns identity from context
 func CtxIdentity(ctx context.Context) ([]byte, error) {
 	if identity, ok := ctx.Value(contextKeyIdentity).([]byte); ok {

net/secureservice/credential.go

@@ -8,9 +8,13 @@ import (
 	"go.uber.org/zap"
 )
 
-func newNoVerifyChecker(protoVersion uint32) handshake.CredentialChecker {
+func newNoVerifyChecker(protoVersion uint32, clientVersion string) handshake.CredentialChecker {
 	return &noVerifyChecker{
-		cred: &handshakeproto.Credentials{Type: handshakeproto.CredentialsType_SkipVerify, Version: protoVersion},
+		cred: &handshakeproto.Credentials{
+			Type:          handshakeproto.CredentialsType_SkipVerify,
+			Version:       protoVersion,
+			ClientVersion: clientVersion,
+		},
 	}
 }
 
@@ -22,23 +26,29 @@ func (n noVerifyChecker) MakeCredentials(remotePeerId string) *handshakeproto.Cr
 	return n.cred
 }
 
-func (n noVerifyChecker) CheckCredential(remotePeerId string, cred *handshakeproto.Credentials) (identity []byte, err error) {
+func (n noVerifyChecker) CheckCredential(remotePeerId string, cred *handshakeproto.Credentials) (result handshake.Result, err error) {
 	if cred.Version != n.cred.Version {
-		return nil, handshake.ErrIncompatibleVersion
+		err = handshake.ErrIncompatibleVersion
+		return
 	}
-	return nil, nil
+	return handshake.Result{
+		ProtoVersion:  cred.Version,
+		ClientVersion: cred.ClientVersion,
+	}, nil
 }
 
-func newPeerSignVerifier(protoVersion uint32, account *accountdata.AccountKeys) handshake.CredentialChecker {
+func newPeerSignVerifier(protoVersion uint32, clientVersion string, account *accountdata.AccountKeys) handshake.CredentialChecker {
 	return &peerSignVerifier{
-		protoVersion: protoVersion,
-		account:      account,
+		protoVersion:  protoVersion,
+		clientVersion: clientVersion,
+		account:       account,
 	}
 }
 
 type peerSignVerifier struct {
-	protoVersion uint32
-	account      *accountdata.AccountKeys
+	protoVersion  uint32
+	clientVersion string
+	account       *accountdata.AccountKeys
 }
 
 func (p *peerSignVerifier) MakeCredentials(remotePeerId string) *handshakeproto.Credentials {
@@ -54,33 +64,43 @@ func (p *peerSignVerifier) MakeCredentials(remotePeerId string) *handshakeproto.
 	}
 	payload, _ := msg.Marshal()
 	return &handshakeproto.Credentials{
-		Type:    handshakeproto.CredentialsType_SignedPeerIds,
-		Payload: payload,
-		Version: p.protoVersion,
+		Type:          handshakeproto.CredentialsType_SignedPeerIds,
+		Payload:       payload,
+		Version:       p.protoVersion,
+		ClientVersion: p.clientVersion,
 	}
 }
 
-func (p *peerSignVerifier) CheckCredential(remotePeerId string, cred *handshakeproto.Credentials) (identity []byte, err error) {
+func (p *peerSignVerifier) CheckCredential(remotePeerId string, cred *handshakeproto.Credentials) (result handshake.Result, err error) {
 	if cred.Version != p.protoVersion {
-		return nil, handshake.ErrIncompatibleVersion
+		err = handshake.ErrIncompatibleVersion
+		return
 	}
 	if cred.Type != handshakeproto.CredentialsType_SignedPeerIds {
-		return nil, handshake.ErrSkipVerifyNotAllowed
+		err = handshake.ErrSkipVerifyNotAllowed
+		return
 	}
 	var msg = &handshakeproto.PayloadSignedPeerIds{}
 	if err = msg.Unmarshal(cred.Payload); err != nil {
-		return nil, handshake.ErrUnexpectedPayload
+		err = handshake.ErrUnexpectedPayload
+		return
 	}
 	pubKey, err := crypto.UnmarshalEd25519PublicKeyProto(msg.Identity)
 	if err != nil {
-		return nil, handshake.ErrInvalidCredentials
+		err = handshake.ErrInvalidCredentials
+		return
 	}
 	ok, err := pubKey.Verify([]byte((remotePeerId + p.account.PeerId)), msg.Sign)
 	if err != nil {
-		return nil, err
+		return
 	}
 	if !ok {
-		return nil, handshake.ErrInvalidCredentials
+		err = handshake.ErrInvalidCredentials
+		return
 	}
-	return msg.Identity, nil
+	return handshake.Result{
+		Identity:      msg.Identity,
+		ProtoVersion:  cred.Version,
+		ClientVersion: cred.ClientVersion,
+	}, nil
 }

net/secureservice/credential_test.go

@@ -15,21 +15,21 @@ func TestPeerSignVerifier_CheckCredential(t *testing.T) {
 	identity1, _ := a1.SignKey.GetPublic().Marshall()
 	identity2, _ := a2.SignKey.GetPublic().Marshall()
 
-	cc1 := newPeerSignVerifier(0, a1)
-	cc2 := newPeerSignVerifier(0, a2)
+	cc1 := newPeerSignVerifier(0, "test:v1", a1)
+	cc2 := newPeerSignVerifier(0, "test:v1", a2)
 
 	c1 := a2.PeerId
 	c2 := a1.PeerId
 
 	cr1 := cc1.MakeCredentials(c1)
 	cr2 := cc2.MakeCredentials(c2)
-	id1, err := cc1.CheckCredential(c1, cr2)
+	res, err := cc1.CheckCredential(c1, cr2)
 	assert.NoError(t, err)
-	assert.Equal(t, identity2, id1)
+	assert.Equal(t, identity2, res.Identity)
 
-	id2, err := cc2.CheckCredential(c2, cr1)
+	res2, err := cc2.CheckCredential(c2, cr1)
 	assert.NoError(t, err)
-	assert.Equal(t, identity1, id2)
+	assert.Equal(t, identity1, res2.Identity)
 
 	_, err = cc1.CheckCredential(c1, cr1)
 	assert.EqualError(t, err, handshake.ErrInvalidCredentials.Error())
@@ -40,8 +40,8 @@ func TestIncompatibleVersion(t *testing.T) {
 	a2 := newTestAccData(t)
 	_, _ = a1.SignKey.GetPublic().Marshall()
 
-	cc1 := newPeerSignVerifier(0, a1)
-	cc2 := newPeerSignVerifier(1, a2)
+	cc1 := newPeerSignVerifier(0, "test:v1", a1)
+	cc2 := newPeerSignVerifier(1, "test:v1", a2)
 
 	c1 := a2.PeerId
 	c2 := a1.PeerId

net/secureservice/handshake/credential.go

@@ -6,30 +6,31 @@ import (
 	"io"
 )
 
-func OutgoingHandshake(ctx context.Context, conn io.ReadWriteCloser, peerId string, cc CredentialChecker) (identity []byte, err error) {
+func OutgoingHandshake(ctx context.Context, conn io.ReadWriteCloser, peerId string, cc CredentialChecker) (result Result, err error) {
 	if ctx == nil {
 		ctx = context.Background()
 	}
 	h := newHandshake()
 	done := make(chan struct{})
 	var (
-		resIdentity []byte
-		resErr      error
+		res    Result
+		resErr error
 	)
 	go func() {
 		defer close(done)
-		resIdentity, resErr = outgoingHandshake(h, conn, peerId, cc)
+		res, resErr = outgoingHandshake(h, conn, peerId, cc)
 	}()
 	select {
 	case <-done:
-		return resIdentity, resErr
+		return res, resErr
 	case <-ctx.Done():
 		_ = conn.Close()
-		return nil, ctx.Err()
+		err = ctx.Err()
+		return
 	}
 }
 
-func outgoingHandshake(h *handshake, conn io.ReadWriteCloser, peerId string, cc CredentialChecker) (identity []byte, err error) {
+func outgoingHandshake(h *handshake, conn io.ReadWriteCloser, peerId string, cc CredentialChecker) (result Result, err error) {
 	defer h.release()
 	h.conn = conn
 	localCred := cc.MakeCredentials(peerId)
@@ -44,58 +45,62 @@ func outgoingHandshake(h *handshake, conn io.ReadWriteCloser, peerId string, cc
 	}
 	if msg.ack != nil {
 		if msg.ack.Error == handshakeproto.Error_InvalidCredentials {
-			return nil, ErrPeerDeclinedCredentials
+			err = ErrPeerDeclinedCredentials
+			return
 		}
-		return nil, HandshakeError{e: msg.ack.Error}
+		err = HandshakeError{e: msg.ack.Error}
+		return
 	}
 
-	if identity, err = cc.CheckCredential(peerId, msg.cred); err != nil {
+	if result, err = cc.CheckCredential(peerId, msg.cred); err != nil {
 		h.tryWriteErrAndClose(err)
 		return
 	}
 
 	if err = h.writeAck(handshakeproto.Error_Null); err != nil {
 		h.tryWriteErrAndClose(err)
-		return nil, err
+		return
 	}
 
 	msg, err = h.readMsg(msgTypeAck)
 	if err != nil {
 		h.tryWriteErrAndClose(err)
-		return nil, err
+		return
 	}
 	if msg.ack.Error == handshakeproto.Error_Null {
-		return identity, nil
+		return result, nil
 	} else {
 		_ = h.conn.Close()
-		return nil, HandshakeError{e: msg.ack.Error}
+		err = HandshakeError{e: msg.ack.Error}
+		return
 	}
 }
 
-func IncomingHandshake(ctx context.Context, conn io.ReadWriteCloser, peerId string, cc CredentialChecker) (identity []byte, err error) {
+func IncomingHandshake(ctx context.Context, conn io.ReadWriteCloser, peerId string, cc CredentialChecker) (result Result, err error) {
 	if ctx == nil {
 		ctx = context.Background()
 	}
 	h := newHandshake()
 	done := make(chan struct{})
 	var (
-		resIdentity []byte
-		resError    error
+		res      Result
+		resError error
 	)
 	go func() {
 		defer close(done)
-		resIdentity, resError = incomingHandshake(h, conn, peerId, cc)
+		res, resError = incomingHandshake(h, conn, peerId, cc)
 	}()
 	select {
 	case <-done:
-		return resIdentity, resError
+		return res, resError
 	case <-ctx.Done():
 		_ = conn.Close()
-		return nil, ctx.Err()
+		err = ctx.Err()
+		return
 	}
 }
 
-func incomingHandshake(h *handshake, conn io.ReadWriteCloser, peerId string, cc CredentialChecker) (identity []byte, err error) {
+func incomingHandshake(h *handshake, conn io.ReadWriteCloser, peerId string, cc CredentialChecker) (result Result, err error) {
 	defer h.release()
 	h.conn = conn
 
@@ -104,30 +109,32 @@ func incomingHandshake(h *handshake, conn io.ReadWriteCloser, peerId string, cc
 		h.tryWriteErrAndClose(err)
 		return
 	}
-	if identity, err = cc.CheckCredential(peerId, msg.cred); err != nil {
+	if result, err = cc.CheckCredential(peerId, msg.cred); err != nil {
 		h.tryWriteErrAndClose(err)
 		return
 	}
 
 	if err = h.writeCredentials(cc.MakeCredentials(peerId)); err != nil {
 		h.tryWriteErrAndClose(err)
-		return nil, err
+		return
 	}
 
 	msg, err = h.readMsg(msgTypeAck)
 	if err != nil {
 		h.tryWriteErrAndClose(err)
-		return nil, err
+		return
 	}
 	if msg.ack.Error != handshakeproto.Error_Null {
 		if msg.ack.Error == handshakeproto.Error_InvalidCredentials {
-			return nil, ErrPeerDeclinedCredentials
+			err = ErrPeerDeclinedCredentials
+			return
 		}
-		return nil, HandshakeError{e: msg.ack.Error}
+		err = HandshakeError{e: msg.ack.Error}
+		return
 	}
 	if err = h.writeAck(handshakeproto.Error_Null); err != nil {
 		h.tryWriteErrAndClose(err)
-		return nil, err
+		return
 	}
 	return
 }

net/secureservice/handshake/credential_test.go

@@ -15,15 +15,19 @@ import (
 )
 
 var noVerifyChecker = &testCredChecker{
-	makeCred: &handshakeproto.Credentials{Type: handshakeproto.CredentialsType_SkipVerify},
-	checkCred: func(peerId string, cred *handshakeproto.Credentials) (identity []byte, err error) {
-		return []byte("identity"), nil
+	makeCred: &handshakeproto.Credentials{Type: handshakeproto.CredentialsType_SkipVerify, ClientVersion: "test:v1.0"},
+	checkCred: func(peerId string, cred *handshakeproto.Credentials) (res Result, err error) {
+		return Result{
+			Identity:      []byte("identity"),
+			ProtoVersion:  cred.Version,
+			ClientVersion: cred.ClientVersion,
+		}, nil
 	},
 }
 
 type handshakeRes struct {
-	identity []byte
-	err      error
+	res Result
+	err error
 }
 
 func TestOutgoingHandshake(t *testing.T) {
@@ -32,7 +36,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -50,7 +54,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		// send ack
 		require.NoError(t, h.writeAck(handshakeproto.Error_Null))
 		res := <-handshakeResCh
-		assert.NotEmpty(t, res.identity)
+		assert.NotEmpty(t, res.res)
 		assert.NoError(t, res.err)
 	})
 	t.Run("write cred err", func(t *testing.T) {
@@ -58,7 +62,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		_ = c2.Close()
 		res := <-handshakeResCh
@@ -69,7 +73,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -85,7 +89,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -101,7 +105,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", &testCredChecker{makeCred: noVerifyChecker.makeCred, checkErr: ErrInvalidCredentials})
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -120,7 +124,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -138,7 +142,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -159,7 +163,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -172,9 +176,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		_, err = h.readMsg(msgTypeAck)
 		require.NoError(t, err)
 		// write cred instead ack
-		require.NoError(t, h.writeCredentials(noVerifyChecker.MakeCredentials("")))
-		_, err = h.readMsg(msgTypeAck)
-		require.Error(t, err)
+		_ = h.writeCredentials(noVerifyChecker.MakeCredentials(""))
 		res := <-handshakeResCh
 		require.Error(t, res.err)
 	})
@@ -183,7 +185,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -211,7 +213,7 @@ func TestOutgoingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := OutgoingHandshake(ctx, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -234,7 +236,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -252,7 +254,7 @@ func TestIncomingHandshake(t *testing.T) {
 		require.NoError(t, err)
 		assert.Equal(t, handshakeproto.Error_Null, msg.ack.Error)
 		res := <-handshakeResCh
-		assert.NotEmpty(t, res.identity)
+		assert.NotEmpty(t, res.res)
 		require.NoError(t, res.err)
 	})
 	t.Run("write cred err", func(t *testing.T) {
@@ -260,7 +262,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		_ = c2.Close()
 		res := <-handshakeResCh
@@ -271,7 +273,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -286,7 +288,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -300,7 +302,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", &testCredChecker{makeCred: noVerifyChecker.makeCred, checkErr: ErrInvalidCredentials})
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -320,7 +322,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", &testCredChecker{makeCred: noVerifyChecker.makeCred, checkErr: ErrIncompatibleVersion})
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -340,7 +342,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -350,7 +352,7 @@ func TestIncomingHandshake(t *testing.T) {
 		_, err := h.readMsg(msgTypeCred)
 		require.NoError(t, err)
 		// write cred instead ack
-		require.NoError(t, h.writeCredentials(noVerifyChecker.MakeCredentials("")))
+		_ = h.writeCredentials(noVerifyChecker.MakeCredentials(""))
 		// expect EOF
 		_, err = h.readMsg(msgTypeAck)
 		require.Error(t, err)
@@ -362,7 +364,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -381,7 +383,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -403,7 +405,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -425,7 +427,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -448,7 +450,7 @@ func TestIncomingHandshake(t *testing.T) {
 		var handshakeResCh = make(chan handshakeRes, 1)
 		go func() {
 			identity, err := IncomingHandshake(ctx, c1, "", noVerifyChecker)
-			handshakeResCh <- handshakeRes{identity: identity, err: err}
+			handshakeResCh <- handshakeRes{res: identity, err: err}
 		}()
 		h := newHandshake()
 		h.conn = c2
@@ -472,7 +474,7 @@ func TestNotAHandshakeMessage(t *testing.T) {
 	var handshakeResCh = make(chan handshakeRes, 1)
 	go func() {
 		identity, err := IncomingHandshake(nil, c1, "", noVerifyChecker)
-		handshakeResCh <- handshakeRes{identity: identity, err: err}
+		handshakeResCh <- handshakeRes{res: identity, err: err}
 	}()
 	h := newHandshake()
 	h.conn = c2
@@ -491,20 +493,20 @@ func TestEndToEnd(t *testing.T) {
 	st := time.Now()
 	go func() {
 		identity, err := OutgoingHandshake(nil, c1, "", noVerifyChecker)
-		outResCh <- handshakeRes{identity: identity, err: err}
+		outResCh <- handshakeRes{res: identity, err: err}
 	}()
 	go func() {
 		identity, err := IncomingHandshake(nil, c2, "", noVerifyChecker)
-		inResCh <- handshakeRes{identity: identity, err: err}
+		inResCh <- handshakeRes{res: identity, err: err}
 	}()
 
 	outRes := <-outResCh
 	assert.NoError(t, outRes.err)
-	assert.NotEmpty(t, outRes.identity)
+	assert.NotEmpty(t, outRes.res)
 
 	inRes := <-inResCh
 	assert.NoError(t, inRes.err)
-	assert.NotEmpty(t, inRes.identity)
+	assert.NotEmpty(t, inRes.res)
 	t.Log("dur", time.Since(st))
 }
 
@@ -548,7 +550,7 @@ func BenchmarkHandshake(b *testing.B) {
 
 type testCredChecker struct {
 	makeCred  *handshakeproto.Credentials
-	checkCred func(peerId string, cred *handshakeproto.Credentials) (identity []byte, err error)
+	checkCred func(peerId string, cred *handshakeproto.Credentials) (res Result, err error)
 	checkErr  error
 }
 
@@ -556,14 +558,15 @@ func (t *testCredChecker) MakeCredentials(peerId string) *handshakeproto.Credent
 	return t.makeCred
 }
 
-func (t *testCredChecker) CheckCredential(peerId string, cred *handshakeproto.Credentials) (identity []byte, err error) {
+func (t *testCredChecker) CheckCredential(peerId string, cred *handshakeproto.Credentials) (res Result, err error) {
 	if t.checkErr != nil {
-		return nil, t.checkErr
+		err = t.checkErr
+		return
 	}
 	if t.checkCred != nil {
 		return t.checkCred(peerId, cred)
 	}
-	return nil, nil
+	return
 }
 
 func newConnPair(t require.TestingT) (sc1, sc2 *secConn) {

net/secureservice/handshake/handshake.go

@@ -64,7 +64,13 @@ var handshakePool = &sync.Pool{New: func() any {
 
 type CredentialChecker interface {
 	MakeCredentials(remotePeerId string) *handshakeproto.Credentials
-	CheckCredential(remotePeerId string, cred *handshakeproto.Credentials) (identity []byte, err error)
+	CheckCredential(remotePeerId string, cred *handshakeproto.Credentials) (result Result, err error)
+}
+
+type Result struct {
+	Identity      []byte
+	ProtoVersion  uint32
+	ClientVersion string
 }
 
 func newHandshake() *handshake {

net/secureservice/handshake/handshakeproto/handshake.pb.go

@@ -115,9 +115,10 @@ func (ProtoType) EnumDescriptor() ([]byte, []int) {
 }
 
 type Credentials struct {
-	Type    CredentialsType `protobuf:"varint,1,opt,name=type,proto3,enum=anyHandshake.CredentialsType" json:"type,omitempty"`
-	Payload []byte          `protobuf:"bytes,2,opt,name=payload,proto3" json:"payload,omitempty"`
-	Version uint32          `protobuf:"varint,3,opt,name=version,proto3" json:"version,omitempty"`
+	Type          CredentialsType `protobuf:"varint,1,opt,name=type,proto3,enum=anyHandshake.CredentialsType" json:"type,omitempty"`
+	Payload       []byte          `protobuf:"bytes,2,opt,name=payload,proto3" json:"payload,omitempty"`
+	Version       uint32          `protobuf:"varint,3,opt,name=version,proto3" json:"version,omitempty"`
+	ClientVersion string          `protobuf:"bytes,4,opt,name=clientVersion,proto3" json:"clientVersion,omitempty"`
 }
 
 func (m *Credentials) Reset()         { *m = Credentials{} }
@@ -174,6 +175,13 @@ func (m *Credentials) GetVersion() uint32 {
 	return 0
 }
 
+func (m *Credentials) GetClientVersion() string {
+	if m != nil {
+		return m.ClientVersion
+	}
+	return ""
+}
+
 type PayloadSignedPeerIds struct {
 	// account identity
 	Identity []byte `protobuf:"bytes,1,opt,name=identity,proto3" json:"identity,omitempty"`
@@ -331,35 +339,36 @@ func init() {
 }
 
 var fileDescriptor_60283fc75f020893 = []byte{
-	// 439 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x92, 0xcf, 0x6e, 0xd3, 0x40,
-	0x10, 0xc6, 0xbd, 0x4d, 0xdc, 0x96, 0x21, 0x2d, 0xdb, 0x6d, 0x4a, 0x2d, 0x24, 0xac, 0x28, 0xa7,
-	0x10, 0x89, 0x84, 0x7f, 0xe2, 0x1e, 0x9a, 0x22, 0x72, 0xa9, 0x22, 0x17, 0x7a, 0xe0, 0xb6, 0xf5,
-	0x0e, 0xed, 0x2a, 0xcb, 0xda, 0xda, 0xdd, 0x86, 0xfa, 0x2d, 0x78, 0x14, 0x1e, 0x83, 0x63, 0x8f,
-	0x1c, 0x51, 0xf2, 0x22, 0xc8, 0x9b, 0xa4, 0x71, 0x38, 0xf5, 0x62, 0xef, 0xcc, 0xfc, 0xc6, 0xdf,
-	0x7c, 0xe3, 0x85, 0x81, 0x46, 0xd7, 0xb7, 0x98, 0xde, 0x18, 0xb4, 0x68, 0xa6, 0x32, 0xc5, 0xfe,
-	0x35, 0xd7, 0xc2, 0x5e, 0xf3, 0x49, 0xe5, 0x94, 0x9b, 0xcc, 0x65, 0x7d, 0xff, 0xb4, 0xeb, 0x6c,
-	0xcf, 0x27, 0x58, 0x83, 0xeb, 0xe2, 0xd3, 0x2a, 0xd7, 0x76, 0xf0, 0xf8, 0xc4, 0xa0, 0x40, 0xed,
-	0x24, 0x57, 0x96, 0xbd, 0x86, 0xba, 0x2b, 0x72, 0x8c, 0x48, 0x8b, 0x74, 0xf6, 0xdf, 0x3c, 0xef,
-	0x55, 0xd9, 0x5e, 0x05, 0xfc, 0x5c, 0xe4, 0x98, 0x78, 0x94, 0x45, 0xb0, 0x93, 0xf3, 0x42, 0x65,
-	0x5c, 0x44, 0x5b, 0x2d, 0xd2, 0x69, 0x24, 0xab, 0xb0, 0xac, 0x4c, 0xd1, 0x58, 0x99, 0xe9, 0xa8,
-	0xd6, 0x22, 0x9d, 0xbd, 0x64, 0x15, 0xb6, 0x3f, 0x42, 0x73, 0xbc, 0x80, 0xce, 0xe5, 0x95, 0x46,
-	0x31, 0x46, 0x34, 0x23, 0x61, 0xd9, 0x33, 0xd8, 0x95, 0x5e, 0xc2, 0x15, 0x7e, 0x84, 0x46, 0x72,
-	0x1f, 0x33, 0x06, 0x75, 0x2b, 0xaf, 0xf4, 0x52, 0xc4, 0x9f, 0xdb, 0xaf, 0xa0, 0x36, 0x48, 0x27,
-	0xec, 0x05, 0x84, 0x68, 0x4c, 0x66, 0x96, 0x63, 0x1f, 0x6e, 0x8e, 0x7d, 0x5a, 0x96, 0x92, 0x05,
-	0xd1, 0x7e, 0x0f, 0xe1, 0xd8, 0xaf, 0xe1, 0x25, 0x84, 0x7e, 0x1f, 0xcb, 0x9e, 0xe3, 0xcd, 0x1e,
-	0xcf, 0x78, 0x93, 0x0b, 0xaa, 0xfb, 0x0e, 0x9e, 0xfc, 0x67, 0x9f, 0xed, 0x03, 0x9c, 0x4f, 0x64,
-	0x7e, 0x81, 0x46, 0x7e, 0x2b, 0x68, 0xc0, 0x0e, 0x60, 0x6f, 0xc3, 0x0d, 0x25, 0xdd, 0x5f, 0x04,
-	0x42, 0x2f, 0xcf, 0x76, 0xa1, 0x7e, 0x76, 0xa3, 0x14, 0x0d, 0xca, 0xb6, 0x2f, 0x1a, 0x6f, 0x73,
-	0x4c, 0x1d, 0x0a, 0x4a, 0xd8, 0x53, 0x60, 0x23, 0x3d, 0xe5, 0x4a, 0x8a, 0x8a, 0x00, 0xdd, 0x62,
-	0x47, 0x70, 0xb0, 0xe6, 0x96, 0xdb, 0xa2, 0x35, 0x16, 0x41, 0x73, 0xad, 0x7a, 0x96, 0xb9, 0x81,
-	0x52, 0xd9, 0x0f, 0x14, 0xb4, 0xce, 0x9a, 0x40, 0x87, 0xc8, 0x85, 0x92, 0x1a, 0x4f, 0x6f, 0x53,
-	0x44, 0x81, 0x82, 0x86, 0xec, 0x18, 0x0e, 0x47, 0x3a, 0xcd, 0xbe, 0xe7, 0xdc, 0xc9, 0x4b, 0x85,
-	0x17, 0x8b, 0x3f, 0x40, 0xb7, 0xcb, 0xef, 0x57, 0x0b, 0xde, 0x31, 0xdd, 0xe9, 0x1e, 0xc1, 0xa3,
-	0x7b, 0xf3, 0xe5, 0xd4, 0xc3, 0x64, 0x7c, 0x42, 0x83, 0x0f, 0xc3, 0xdf, 0xb3, 0x98, 0xdc, 0xcd,
-	0x62, 0xf2, 0x77, 0x16, 0x93, 0x9f, 0xf3, 0x38, 0xb8, 0x9b, 0xc7, 0xc1, 0x9f, 0x79, 0x1c, 0x7c,
-	0xed, 0x3e, 0xfc, 0x4a, 0x5e, 0x6e, 0xfb, 0xd7, 0xdb, 0x7f, 0x01, 0x00, 0x00, 0xff, 0xff, 0x53,
-	0x32, 0xf7, 0x79, 0xc7, 0x02, 0x00, 0x00,
+	// 457 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x52, 0x4d, 0x6f, 0xd3, 0x40,
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+	0xf2, 0x5c, 0x25, 0x5c, 0x04, 0x5b, 0x6d, 0xd2, 0x6d, 0x44, 0xab, 0xb2, 0x40, 0x66, 0x68, 0x32,
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+	0xb9, 0xbc, 0xd2, 0x28, 0x26, 0x88, 0x66, 0x2c, 0x32, 0xf6, 0x18, 0x76, 0xa5, 0x13, 0x62, 0x73,
+	0x27, 0xb4, 0x11, 0xdd, 0xd7, 0x8c, 0x41, 0x3d, 0x93, 0x57, 0xba, 0x94, 0xe2, 0xce, 0x9d, 0x17,
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+	0x05, 0x14, 0x2d, 0x19, 0x9d, 0xb7, 0xe0, 0x4f, 0x5c, 0x5a, 0xcf, 0xc1, 0x77, 0xb1, 0x95, 0x33,
+	0xc7, 0x9b, 0x33, 0x8e, 0xe3, 0xa2, 0x58, 0xb2, 0x7a, 0x6f, 0xe0, 0xe1, 0x3f, 0x21, 0xb1, 0x7d,
+	0x80, 0xf3, 0xa9, 0x4c, 0x2f, 0xd0, 0xc8, 0x2f, 0x39, 0xf5, 0xd8, 0x01, 0x34, 0x37, 0xdc, 0x50,
+	0xd2, 0xfb, 0x49, 0xc0, 0x77, 0xeb, 0xd9, 0x2e, 0xd4, 0xcf, 0x6e, 0x94, 0xa2, 0x5e, 0x31, 0xf6,
+	0x49, 0xe3, 0x6d, 0x8a, 0xb1, 0x45, 0x41, 0x09, 0x7b, 0x04, 0x6c, 0xac, 0x67, 0x5c, 0x49, 0x51,
+	0x59, 0x40, 0xb7, 0xd8, 0x11, 0x1c, 0xac, 0x79, 0x65, 0x5a, 0xb4, 0xc6, 0x02, 0x68, 0xad, 0xb7,
+	0x9e, 0x25, 0x76, 0xa8, 0x54, 0xf2, 0x0d, 0x05, 0xad, 0xb3, 0x16, 0xd0, 0x11, 0x72, 0xa1, 0xa4,
+	0xc6, 0xd3, 0xdb, 0x18, 0x51, 0xa0, 0xa0, 0x3e, 0x3b, 0x86, 0xc3, 0xb1, 0x8e, 0x93, 0xaf, 0x29,
+	0xb7, 0xf2, 0x52, 0x61, 0xf9, 0x05, 0xe8, 0x76, 0x71, 0x7f, 0x15, 0x70, 0x8e, 0xe9, 0x4e, 0xef,
+	0x08, 0xf6, 0xee, 0xcd, 0x17, 0xaa, 0x47, 0xd1, 0xe4, 0x84, 0x7a, 0xef, 0x46, 0xbf, 0xe6, 0x21,
+	0xb9, 0x9b, 0x87, 0xe4, 0xcf, 0x3c, 0x24, 0xdf, 0x17, 0xa1, 0x77, 0xb7, 0x08, 0xbd, 0xdf, 0x8b,
+	0xd0, 0xfb, 0xdc, 0xfb, 0xff, 0x3f, 0xf7, 0x72, 0xdb, 0xbd, 0x5e, 0xff, 0x0d, 0x00, 0x00, 0xff,
+	0xff, 0xe2, 0xfa, 0x40, 0x67, 0xee, 0x02, 0x00, 0x00,
 }
 
 func (m *Credentials) Marshal() (dAtA []byte, err error) {
@@ -382,6 +391,13 @@ func (m *Credentials) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if len(m.ClientVersion) > 0 {
+		i -= len(m.ClientVersion)
+		copy(dAtA[i:], m.ClientVersion)
+		i = encodeVarintHandshake(dAtA, i, uint64(len(m.ClientVersion)))
+		i--
+		dAtA[i] = 0x22
+	}
 	if m.Version != 0 {
 		i = encodeVarintHandshake(dAtA, i, uint64(m.Version))
 		i--
@@ -522,6 +538,10 @@ func (m *Credentials) Size() (n int) {
 	if m.Version != 0 {
 		n += 1 + sovHandshake(uint64(m.Version))
 	}
+	l = len(m.ClientVersion)
+	if l > 0 {
+		n += 1 + l + sovHandshake(uint64(l))
+	}
 	return n
 }
 
@@ -673,6 +693,38 @@ func (m *Credentials) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ClientVersion", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHandshake
+				}
+				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 ErrInvalidLengthHandshake
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthHandshake
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ClientVersion = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipHandshake(dAtA[iNdEx:])

net/secureservice/handshake/handshakeproto/protos/handshake.proto

@@ -39,6 +39,7 @@ message Credentials {
     CredentialsType type = 1;
     bytes payload = 2;
     uint32 version = 3;
+    string clientVersion = 4;
 }
 
 enum CredentialsType {

net/secureservice/secureservice.go

@@ -64,8 +64,8 @@ func (s *secureService) Init(a *app.App) (err error) {
 	if s.key, err = crypto.UnmarshalEd25519PrivateKey(peerKey); err != nil {
 		return
 	}
-	s.noVerifyChecker = newNoVerifyChecker(s.protoVersion)
-	s.peerSignVerifier = newPeerSignVerifier(s.protoVersion, account.Account())
+	s.noVerifyChecker = newNoVerifyChecker(s.protoVersion, a.VersionName())
+	s.peerSignVerifier = newPeerSignVerifier(s.protoVersion, a.VersionName(), account.Account())
 
 	s.nodeconf = a.MustComponent(nodeconf.CName).(nodeconf.Service)
 
@@ -99,13 +99,14 @@ func (s *secureService) SecureInbound(ctx context.Context, conn net.Conn) (cctx
 }
 
 func (s *secureService) HandshakeInbound(ctx context.Context, conn io.ReadWriteCloser, peerId string) (cctx context.Context, err error) {
-	identity, err := handshake.IncomingHandshake(ctx, conn, peerId, s.inboundChecker)
+	res, err := handshake.IncomingHandshake(ctx, conn, peerId, s.inboundChecker)
 	if err != nil {
 		return nil, err
 	}
 	cctx = context.Background()
 	cctx = peer.CtxWithPeerId(cctx, peerId)
-	cctx = peer.CtxWithIdentity(cctx, identity)
+	cctx = peer.CtxWithIdentity(cctx, res.Identity)
+	cctx = peer.CtxWithClientVersion(cctx, res.ClientVersion)
 	return
 }
 
@@ -122,13 +123,14 @@ func (s *secureService) SecureOutbound(ctx context.Context, conn net.Conn) (cctx
 	} else {
 		checker = s.noVerifyChecker
 	}
-	identity, err := handshake.OutgoingHandshake(ctx, sc, sc.RemotePeer().String(), checker)
+	res, err := handshake.OutgoingHandshake(ctx, sc, sc.RemotePeer().String(), checker)
 	if err != nil {
 		return nil, err
 	}
 	cctx = context.Background()
 	cctx = peer.CtxWithPeerId(cctx, sc.RemotePeer().String())
-	cctx = peer.CtxWithIdentity(cctx, identity)
+	cctx = peer.CtxWithIdentity(cctx, res.Identity)
+	cctx = peer.CtxWithClientVersion(cctx, res.ClientVersion)
 	return cctx, nil
 }