Publish IPNS record in golang

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,
1

Hi,

I am under Macosx, behind a firewall (that doesn’t provide upnp), and I would like to create an app (in golang), that start a libp2p node, and is able to publish an IPNS record.

I tried 2 approaches (using kadDHT.PutValue, and using namesys API), but both are stuck when trying to PutValue/Publish (running forever, and in the logs I see “conn-108329063: system: cannot reserve inbound connection: resource limit exceeded”, not sure if it is the root cause.

Anyway, can someone point me what I am doing wrong, or show me a piece of code how to publish an IPNS record in golang?

Here is a piece of the code I am using:

	sourceMultiAddr, _ := multiaddr.NewMultiaddr("/ip4/0.0.0.0/tcp/0")
	host, err := libp2p.New(
		libp2p.ListenAddrs(sourceMultiAddr),
		libp2p.Identity(prvKey),
		libp2p.EnableRelay(), // Enable relay support
	)
	if err != nil {
		log.Fatalf("not able create node: %v", err)
	}

	kadDHT, err := dht.New(ctx, host)

	if err != nil {
		panic("unable to start dht")
	}
	err = kadDHT.Bootstrap(ctx)
	if err != nil {
		panic("unable to bootstrap")
	}

	var bootstrapPeers []multiaddr.Multiaddr
	for _, peerAddr := range ipfsBoostrap {
		addr, err := multiaddr.NewMultiaddr(peerAddr)
		if err != nil {
			log.Fatalf("Failed to create multiaddr: %s", err)
		}
		bootstrapPeers = append(bootstrapPeers, addr)
	}

	// Connect to the bootstrap nodes
	for _, peerAddr := range bootstrapPeers {
		peerInfo, _ := peerstore.AddrInfoFromP2pAddr(peerAddr)
		if err := host.Connect(ctx, *peerInfo); err != nil {
			log.Printf("Failed to connect to bootstrap peer %s: %s", peerInfo.ID, err)
		} else {
			log.Printf("Connected to bootstrap peer %s", peerInfo.ID)
		}
	}

	path, err := path.NewPath("/ipns/12D3KooWKbZyWQQuhwCW53UVSGxnrsRCMkpAYeuP222mLLepucqX")
	if err != nil {
		panic(err)
	}

	validity := time.Now().Add(24 * time.Hour)
	sequence := uint64(1)
	ttl := time.Hour

	// Create IPNS entry
	entry, err := ipns.NewRecord(prvKey, path, sequence, validity, ttl, ipns.WithPublicKey(true))
	if err != nil {
		log.Fatalf("Failed to create IPNS entry: %v", err)
	}

	ns, err := namesys.NewNameSystem(kadDHT)
	if err != nil {
		log.Fatalf("Failed to create name system: %v", err)
	}

	err = ns.Publish(ctx, prvKey, path)
	if err != nil {
		log.Fatalf("publish failed: %v", err)
	}

Thank you!