Attempt to compile WASM number 2

defaults.go

@@ -1,3 +1,6 @@
+//go:build !js
+// +build !js
+
 package libp2p
 
 // This file contains all the default configuration options.

defaults_js.go

@@ -0,0 +1,188 @@
+//go:build js
+// +build js
+
+package libp2p
+
+import (
+	"crypto/rand"
+
+	"github.com/libp2p/go-libp2p/core/crypto"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem"
+	rcmgr "github.com/libp2p/go-libp2p/p2p/host/resource-manager"
+	"github.com/libp2p/go-libp2p/p2p/muxer/yamux"
+	"github.com/libp2p/go-libp2p/p2p/net/connmgr"
+	"github.com/libp2p/go-libp2p/p2p/net/swarm"
+	"github.com/libp2p/go-libp2p/p2p/security/noise"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+var DefaultSecurity = ChainOptions(
+	Security(noise.ID, noise.New),
+)
+
+var DefaultMuxers = Muxer(yamux.ID, yamux.DefaultTransport)
+
+var DefaultTransports = ChainOptions(NoTransports)
+
+// DefaultPrivateTransports are the default libp2p transports when a PSK is supplied.
+//
+// Use this option when you want to *extend* the set of transports used by
+// libp2p instead of replacing them.
+var DefaultPrivateTransports = ChainOptions(NoTransports)
+
+// DefaultPeerstore configures libp2p to use the default peerstore.
+var DefaultPeerstore Option = func(cfg *Config) error {
+	ps, err := pstoremem.NewPeerstore()
+	if err != nil {
+		return err
+	}
+	return cfg.Apply(Peerstore(ps))
+}
+
+// RandomIdentity generates a random identity. (default behaviour)
+var RandomIdentity = func(cfg *Config) error {
+	priv, _, err := crypto.GenerateEd25519Key(rand.Reader)
+	if err != nil {
+		return err
+	}
+	return cfg.Apply(Identity(priv))
+}
+
+// DefaultListenAddrs configures libp2p to use default listen address.
+var DefaultListenAddrs = NoListenAddrs
+
+// DefaultEnableRelay enables relay dialing and listening by default.
+var DefaultEnableRelay = func(cfg *Config) error {
+	return cfg.Apply(EnableRelay())
+}
+
+var DefaultResourceManager = func(cfg *Config) error {
+	// Default memory limit: 1/8th of total memory, minimum 128MB, maximum 1GB
+	limits := rcmgr.DefaultLimits
+	SetDefaultServiceLimits(&limits)
+	mgr, err := rcmgr.NewResourceManager(rcmgr.NewFixedLimiter(limits.AutoScale()))
+	if err != nil {
+		return err
+	}
+
+	return cfg.Apply(ResourceManager(mgr))
+}
+
+// DefaultConnectionManager creates a default connection manager
+var DefaultConnectionManager = func(cfg *Config) error {
+	mgr, err := connmgr.NewConnManager(160, 192)
+	if err != nil {
+		return err
+	}
+
+	return cfg.Apply(ConnectionManager(mgr))
+}
+
+// DefaultPrometheusRegisterer configures libp2p to use the default registerer
+var DefaultPrometheusRegisterer = func(cfg *Config) error {
+	return cfg.Apply(PrometheusRegisterer(prometheus.DefaultRegisterer))
+}
+
+var defaultUDPBlackHoleDetector = func(cfg *Config) error {
+	// A black hole is a binary property. On a network if UDP dials are blocked, all dials will
+	// fail. So a low success rate of 5 out 100 dials is good enough.
+	return cfg.Apply(UDPBlackHoleSuccessCounter(&swarm.BlackHoleSuccessCounter{N: 100, MinSuccesses: 5, Name: "UDP"}))
+}
+
+var defaultIPv6BlackHoleDetector = func(cfg *Config) error {
+	// A black hole is a binary property. On a network if there is no IPv6 connectivity, all
+	// dials will fail. So a low success rate of 5 out 100 dials is good enough.
+	return cfg.Apply(IPv6BlackHoleSuccessCounter(&swarm.BlackHoleSuccessCounter{N: 100, MinSuccesses: 5, Name: "IPv6"}))
+}
+
+// Complete list of default options and when to fallback on them.
+//
+// Please *DON'T* specify default options any other way. Putting this all here
+// makes tracking defaults *much* easier.
+var defaults = []struct {
+	fallback func(cfg *Config) bool
+	opt      Option
+}{
+	{
+		fallback: func(cfg *Config) bool { return cfg.Transports == nil && cfg.ListenAddrs == nil },
+		opt:      DefaultListenAddrs,
+	},
+	{
+		fallback: func(cfg *Config) bool { return cfg.Transports == nil && cfg.PSK == nil },
+		opt:      DefaultTransports,
+	},
+	{
+		fallback: func(cfg *Config) bool { return cfg.Transports == nil && cfg.PSK != nil },
+		opt:      DefaultPrivateTransports,
+	},
+	{
+		fallback: func(cfg *Config) bool { return cfg.Muxers == nil },
+		opt:      DefaultMuxers,
+	},
+	{
+		fallback: func(cfg *Config) bool { return !cfg.Insecure && cfg.SecurityTransports == nil },
+		opt:      DefaultSecurity,
+	},
+	{
+		fallback: func(cfg *Config) bool { return cfg.PeerKey == nil },
+		opt:      RandomIdentity,
+	},
+	{
+		fallback: func(cfg *Config) bool { return cfg.Peerstore == nil },
+		opt:      DefaultPeerstore,
+	},
+	{
+		fallback: func(cfg *Config) bool { return !cfg.RelayCustom },
+		opt:      DefaultEnableRelay,
+	},
+	{
+		fallback: func(cfg *Config) bool { return cfg.ResourceManager == nil },
+		opt:      DefaultResourceManager,
+	},
+	{
+		fallback: func(cfg *Config) bool { return cfg.ConnManager == nil },
+		opt:      DefaultConnectionManager,
+	},
+	{
+		fallback: func(cfg *Config) bool { return !cfg.DisableMetrics && cfg.PrometheusRegisterer == nil },
+		opt:      DefaultPrometheusRegisterer,
+	},
+	{
+		fallback: func(cfg *Config) bool {
+			return !cfg.CustomUDPBlackHoleSuccessCounter && cfg.UDPBlackHoleSuccessCounter == nil
+		},
+		opt: defaultUDPBlackHoleDetector,
+	},
+	{
+		fallback: func(cfg *Config) bool {
+			return !cfg.CustomIPv6BlackHoleSuccessCounter && cfg.IPv6BlackHoleSuccessCounter == nil
+		},
+		opt: defaultIPv6BlackHoleDetector,
+	},
+}
+
+// Defaults configures libp2p to use the default options. Can be combined with
+// other options to *extend* the default options.
+var Defaults Option = func(cfg *Config) error {
+	for _, def := range defaults {
+		if err := cfg.Apply(def.opt); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// FallbackDefaults applies default options to the libp2p node if and only if no
+// other relevant options have been applied. will be appended to the options
+// passed into New.
+var FallbackDefaults Option = func(cfg *Config) error {
+	for _, def := range defaults {
+		if !def.fallback(cfg) {
+			continue
+		}
+		if err := cfg.Apply(def.opt); err != nil {
+			return err
+		}
+	}
+	return nil
+}

examples/go.mod

@@ -1,41 +1,37 @@
 module github.com/libp2p/go-libp2p/examples
 
-go 1.23.0
+go 1.23.8
+
+toolchain go1.24.5
 
 require (
 	github.com/caddyserver/certmagic v0.21.6
 	github.com/gogo/protobuf v1.3.2
 	github.com/google/uuid v1.6.0
-	github.com/ipfs/go-datastore v0.6.0
-	github.com/ipfs/go-log/v2 v2.5.1
+	github.com/ipfs/go-datastore v0.8.2
+	github.com/ipfs/go-log/v2 v2.6.0
 	github.com/ipshipyard/p2p-forge v0.5.0
 	github.com/libp2p/go-libp2p v0.41.1
 	github.com/libp2p/go-libp2p-kad-dht v0.28.1
-	github.com/multiformats/go-multiaddr v0.15.0
-	github.com/prometheus/client_golang v1.21.1
+	github.com/multiformats/go-multiaddr v0.16.0
+	github.com/prometheus/client_golang v1.22.0
+	go.uber.org/fx v1.24.0
 )
 
 require (
 	github.com/benbjohnson/clock v1.3.5 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/caddyserver/zerossl v0.1.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/containerd/cgroups v1.1.0 // indirect
-	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect
-	github.com/docker/go-units v0.5.0 // indirect
-	github.com/elastic/gosigar v0.14.3 // indirect
 	github.com/flynn/noise v1.1.0 // indirect
 	github.com/francoispqt/gojay v1.2.13 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
-	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
 	github.com/google/gopacket v1.1.19 // indirect
-	github.com/google/pprof v0.0.0-20250208200701-d0013a598941 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
@@ -46,10 +42,9 @@ require (
 	github.com/ipld/go-ipld-prime v0.21.0 // indirect
 	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
 	github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect
-	github.com/jbenet/goprocess v0.1.4 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.10 // indirect
-	github.com/koron/go-ssdp v0.0.5 // indirect
+	github.com/koron/go-ssdp v0.0.6 // indirect
 	github.com/libdns/libdns v0.2.2 // indirect
 	github.com/libp2p/go-buffer-pool v0.1.0 // indirect
 	github.com/libp2p/go-cidranger v1.1.0 // indirect
@@ -61,12 +56,12 @@ require (
 	github.com/libp2p/go-msgio v0.3.0 // indirect
 	github.com/libp2p/go-netroute v0.2.2 // indirect
 	github.com/libp2p/go-reuseport v0.4.0 // indirect
-	github.com/libp2p/go-yamux/v5 v5.0.0 // indirect
+	github.com/libp2p/go-yamux/v5 v5.0.1 // indirect
 	github.com/libp2p/zeroconf/v2 v2.2.0 // indirect
 	github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mholt/acmez/v3 v3.0.0 // indirect
-	github.com/miekg/dns v1.1.64 // indirect
+	github.com/miekg/dns v1.1.66 // indirect
 	github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
 	github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
 	github.com/minio/sha256-simd v1.0.1 // indirect
@@ -76,67 +71,64 @@ require (
 	github.com/multiformats/go-multiaddr-dns v0.4.1 // indirect
 	github.com/multiformats/go-multiaddr-fmt v0.1.0 // indirect
 	github.com/multiformats/go-multibase v0.2.0 // indirect
-	github.com/multiformats/go-multicodec v0.9.0 // indirect
+	github.com/multiformats/go-multicodec v0.9.1 // indirect
 	github.com/multiformats/go-multihash v0.2.3 // indirect
-	github.com/multiformats/go-multistream v0.6.0 // indirect
+	github.com/multiformats/go-multistream v0.6.1 // indirect
 	github.com/multiformats/go-varint v0.0.7 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/onsi/ginkgo/v2 v2.22.2 // indirect
-	github.com/opencontainers/runtime-spec v1.2.0 // indirect
 	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58 // indirect
 	github.com/pion/datachannel v1.5.10 // indirect
 	github.com/pion/dtls/v2 v2.2.12 // indirect
-	github.com/pion/dtls/v3 v3.0.4 // indirect
-	github.com/pion/ice/v4 v4.0.8 // indirect
-	github.com/pion/interceptor v0.1.37 // indirect
+	github.com/pion/dtls/v3 v3.0.6 // indirect
+	github.com/pion/ice/v4 v4.0.10 // indirect
+	github.com/pion/interceptor v0.1.40 // indirect
 	github.com/pion/logging v0.2.3 // indirect
 	github.com/pion/mdns/v2 v2.0.7 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
 	github.com/pion/rtcp v1.2.15 // indirect
-	github.com/pion/rtp v1.8.11 // indirect
-	github.com/pion/sctp v1.8.37 // indirect
-	github.com/pion/sdp/v3 v3.0.10 // indirect
-	github.com/pion/srtp/v3 v3.0.4 // indirect
+	github.com/pion/rtp v1.8.19 // indirect
+	github.com/pion/sctp v1.8.39 // indirect
+	github.com/pion/sdp/v3 v3.0.13 // indirect
+	github.com/pion/srtp/v3 v3.0.6 // indirect
 	github.com/pion/stun v0.6.1 // indirect
 	github.com/pion/stun/v3 v3.0.0 // indirect
 	github.com/pion/transport/v2 v2.2.10 // indirect
 	github.com/pion/transport/v3 v3.0.7 // indirect
-	github.com/pion/turn/v4 v4.0.0 // indirect
-	github.com/pion/webrtc/v4 v4.0.10 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pion/turn/v4 v4.0.2 // indirect
+	github.com/pion/webrtc/v4 v4.1.2 // indirect
 	github.com/polydawn/refmt v0.89.0 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.62.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.64.0 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
 	github.com/quic-go/qpack v0.5.1 // indirect
-	github.com/quic-go/quic-go v0.50.1 // indirect
-	github.com/quic-go/webtransport-go v0.8.1-0.20241018022711-4ac2c9250e66 // indirect
-	github.com/raulk/go-watchdog v1.3.0 // indirect
+	github.com/quic-go/quic-go v0.53.0 // indirect
+	github.com/quic-go/webtransport-go v0.9.0 // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
 	github.com/whyrusleeping/go-keyspace v0.0.0-20160322163242-5b898ac5add1 // indirect
 	github.com/wlynxg/anet v0.0.5 // indirect
 	github.com/zeebo/blake3 v0.2.4 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-	go.opentelemetry.io/otel v1.33.0 // indirect
-	go.opentelemetry.io/otel/metric v1.33.0 // indirect
-	go.opentelemetry.io/otel/trace v1.33.0 // indirect
-	go.uber.org/dig v1.18.0 // indirect
-	go.uber.org/fx v1.23.0 // indirect
-	go.uber.org/mock v0.5.0 // indirect
+	go.opentelemetry.io/otel v1.34.0 // indirect
+	go.opentelemetry.io/otel/metric v1.34.0 // indirect
+	go.opentelemetry.io/otel/trace v1.34.0 // indirect
+	go.uber.org/dig v1.19.0 // indirect
+	go.uber.org/mock v0.5.2 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
 	go.uber.org/zap/exp v0.3.0 // indirect
-	golang.org/x/crypto v0.35.0 // indirect
-	golang.org/x/exp v0.0.0-20250218142911-aa4b98e5adaa // indirect
-	golang.org/x/mod v0.23.0 // indirect
-	golang.org/x/net v0.35.0 // indirect
-	golang.org/x/sync v0.11.0 // indirect
-	golang.org/x/sys v0.30.0 // indirect
-	golang.org/x/text v0.22.0 // indirect
-	golang.org/x/time v0.8.0 // indirect
-	golang.org/x/tools v0.30.0 // indirect
+	golang.org/x/crypto v0.39.0 // indirect
+	golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476 // indirect
+	golang.org/x/mod v0.25.0 // indirect
+	golang.org/x/net v0.41.0 // indirect
+	golang.org/x/sync v0.15.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.26.0 // indirect
+	golang.org/x/time v0.12.0 // indirect
+	golang.org/x/tools v0.34.0 // indirect
 	gonum.org/v1/gonum v0.15.1 // indirect
 	google.golang.org/protobuf v1.36.6 // indirect
-	lukechampine.com/blake3 v1.4.0 // indirect
+	lukechampine.com/blake3 v1.4.1 // indirect
 )
+
+replace github.com/libp2p/go-libp2p => ../