Пример #1
0
// InitializeKeyspace sets the ipns record for the given key to
// point to an empty directory.
func InitializeKeyspace(n *core.IpfsNode, key ci.PrivKey) error {
	emptyDir := ft.EmptyDirNode()
	nodek, err := n.DAG.Add(emptyDir)
	if err != nil {
		return err
	}

	ctx, cancel := context.WithCancel(n.Context())
	defer cancel()

	err = n.Pinning.Pin(ctx, emptyDir, false)
	if err != nil {
		return err
	}

	err = n.Pinning.Flush()
	if err != nil {
		return err
	}

	pub := nsys.NewRoutingPublisher(n.Routing, n.Repo.Datastore())
	if err := pub.Publish(ctx, key, path.FromCid(nodek)); err != nil {
		return err
	}

	return nil
}
Пример #2
0
// InitializeKeyspace sets the ipns record for the given key to
// point to an empty directory.
func InitializeKeyspace(n *core.IpfsNode, key ci.PrivKey) error {
	emptyDir := &mdag.Node{Data: ft.FolderPBData()}
	nodek, err := n.DAG.Add(emptyDir)
	if err != nil {
		return err
	}

	ctx, cancel := context.WithTimeout(context.TODO(), time.Minute)
	defer cancel()

	err = n.Pinning.Pin(ctx, emptyDir, false)
	if err != nil {
		return err
	}

	err = n.Pinning.Flush()
	if err != nil {
		return err
	}

	pub := nsys.NewRoutingPublisher(n.Routing)
	err = pub.Publish(n.Context(), key, path.FromKey(nodek))
	if err != nil {
		return err
	}

	return nil
}
Пример #3
0
func TestRepublish(t *testing.T) {
	// set cache life to zero for testing low-period repubs

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	// create network
	mn := mocknet.New(ctx)

	var nodes []*core.IpfsNode
	for i := 0; i < 10; i++ {
		nd, err := core.NewNode(ctx, &core.BuildCfg{
			Online: true,
			Host:   mock.MockHostOption(mn),
		})
		if err != nil {
			t.Fatal(err)
		}

		nd.Namesys = namesys.NewNameSystem(nd.Routing, nd.Repo.Datastore(), 0)

		nodes = append(nodes, nd)
	}

	mn.LinkAll()

	bsinf := core.BootstrapConfigWithPeers(
		[]pstore.PeerInfo{
			nodes[0].Peerstore.PeerInfo(nodes[0].Identity),
		},
	)

	for _, n := range nodes[1:] {
		if err := n.Bootstrap(bsinf); err != nil {
			t.Fatal(err)
		}
	}

	// have one node publish a record that is valid for 1 second
	publisher := nodes[3]
	p := path.FromString("/ipfs/QmUNLLsPACCz1vLxQVkXqqLX5R1X345qqfHbsf67hvA3Nn") // does not need to be valid
	rp := namesys.NewRoutingPublisher(publisher.Routing, publisher.Repo.Datastore())
	err := rp.PublishWithEOL(ctx, publisher.PrivateKey, p, time.Now().Add(time.Second))
	if err != nil {
		t.Fatal(err)
	}

	name := "/ipns/" + publisher.Identity.Pretty()
	if err := verifyResolution(nodes, name, p); err != nil {
		t.Fatal(err)
	}

	// Now wait a second, the records will be invalid and we should fail to resolve
	time.Sleep(time.Second)
	if err := verifyResolutionFails(nodes, name); err != nil {
		t.Fatal(err)
	}

	// The republishers that are contained within the nodes have their timeout set
	// to 12 hours. Instead of trying to tweak those, we're just going to pretend
	// they dont exist and make our own.
	repub := NewRepublisher(publisher.Routing, publisher.Repo.Datastore(), publisher.Peerstore)
	repub.Interval = time.Second
	repub.RecordLifetime = time.Second * 5
	repub.AddName(publisher.Identity)

	proc := goprocess.Go(repub.Run)
	defer proc.Close()

	// now wait a couple seconds for it to fire
	time.Sleep(time.Second * 2)

	// we should be able to resolve them now
	if err := verifyResolution(nodes, name, p); err != nil {
		t.Fatal(err)
	}
}