refactor: reuse /udp port for /webrtc-direct

switches to version from
libp2p/go-libp2p#2889

config/init.go

@@ -114,10 +114,10 @@ func addressesConfig() Addresses {
 			"/ip6/::/tcp/4001",
 			"/ip4/0.0.0.0/udp/4001/quic-v1",
 			"/ip4/0.0.0.0/udp/4001/quic-v1/webtransport",
-			"/ip4/0.0.0.0/udp/4002/webrtc-direct",
+			"/ip4/0.0.0.0/udp/4001/webrtc-direct",
 			"/ip6/::/udp/4001/quic-v1",
 			"/ip6/::/udp/4001/quic-v1/webtransport",
-			"/ip6/::/udp/4002/webrtc-direct",
+			"/ip6/::/udp/4001/webrtc-direct",
 		},
 		Announce:       []string{},
 		AppendAnnounce: []string{},

docs/changelogs/v0.30.md

@@ -18,7 +18,7 @@
 
 #### WebRTC-Direct Transport enabled by default
 
-Kubo now ships with `/udp/4002/webrtc-direct` listener enabled by default.
+Kubo now ships with `/udp/4001/webrtc-direct` listener enabled by default.
 
 WebRTC Direct complements existing `/wss` (Secure WebSockets) and `/webtransport` transports. Unlike `/wss`, which requires a domain name and a CA-issued TLS certificate, WebRTC Direct works with IPs and can be enabled by default on all Kubo nodes.
 

docs/config.md

@@ -2257,13 +2257,10 @@ certificates. This can be useful for browser nodes that do not yet support
 [WebTransport](https://blog.libp2p.io/2022-12-19-libp2p-webtransport/),
 which is still relatively new and has [known issues](https://github.com/libp2p/js-libp2p/issues/2572).
 
-Enabling this transport allows Kubo node to act on `/udp/4002/webrtc-direct`
+Enabling this transport allows Kubo node to act on `/udp/4001/webrtc-direct`
 listeners defined in `Addresses.Swarm`, `Addresses.Announce` or
 `Addresses.AppendAnnounce`.
 
-> [!IMPORTANT]
-> At the moment, WebRTC Direct doesn't support listening on the same port as a QUIC or WebTransport listener, and Kubo uses 4002 for it.
-
 > [!NOTE]
 > WebRTC Direct is browser-to-node. It cannot be used to connect a browser
 > node to a node that is behind a NAT or firewall.
@@ -2277,7 +2274,7 @@ Default: Enabled
 Type: `flag`
 
 Listen Addresses:
-- `/ip4/0.0.0.0/udp/4002/webrtc-direct` (default)
+- `/ip4/0.0.0.0/udp/4001/webrtc-direct` (default)
 - `/ip6/::/udp/4001/webrtc-direct` (default)
 
 ### `Swarm.Transports.Security`

go.mod

@@ -48,7 +48,7 @@ require (
 	github.com/jbenet/goprocess v0.1.4
 	github.com/julienschmidt/httprouter v1.3.0
 	github.com/libp2p/go-doh-resolver v0.4.0
-	github.com/libp2p/go-libp2p v0.35.1-0.20240726083353-205f7be11544
+	github.com/libp2p/go-libp2p v0.35.1-0.20240730044139-27a709ccf94e
 	github.com/libp2p/go-libp2p-http v0.5.0
 	github.com/libp2p/go-libp2p-kad-dht v0.25.2
 	github.com/libp2p/go-libp2p-kbucket v0.6.3

go.sum

@@ -508,8 +508,8 @@ github.com/libp2p/go-flow-metrics v0.0.1/go.mod h1:Iv1GH0sG8DtYN3SVJ2eG221wMiNpZ
 github.com/libp2p/go-flow-metrics v0.0.3/go.mod h1:HeoSNUrOJVK1jEpDqVEiUOIXqhbnS27omG0uWU5slZs=
 github.com/libp2p/go-flow-metrics v0.1.0 h1:0iPhMI8PskQwzh57jB9WxIuIOQ0r+15PChFGkx3Q3WM=
 github.com/libp2p/go-flow-metrics v0.1.0/go.mod h1:4Xi8MX8wj5aWNDAZttg6UPmc0ZrnFNsMtpsYUClFtro=
-github.com/libp2p/go-libp2p v0.35.1-0.20240726083353-205f7be11544 h1:2ivyU6vXAsqOZ0+V54CibsXoxXJ43F8G4r+FfWEHx5Q=
-github.com/libp2p/go-libp2p v0.35.1-0.20240726083353-205f7be11544/go.mod h1:M/fCHPPkWjectocXCOUua4Z2lSr2cjQNByVVuxWPwXI=
+github.com/libp2p/go-libp2p v0.35.1-0.20240730044139-27a709ccf94e h1:LfhrFW3xMwH+37zbhLV9PIzX43mhXn/7sO/ZjkrrLR0=
+github.com/libp2p/go-libp2p v0.35.1-0.20240730044139-27a709ccf94e/go.mod h1:M/fCHPPkWjectocXCOUua4Z2lSr2cjQNByVVuxWPwXI=
 github.com/libp2p/go-libp2p-asn-util v0.4.1 h1:xqL7++IKD9TBFMgnLPZR6/6iYhawHKHl950SO9L6n94=
 github.com/libp2p/go-libp2p-asn-util v0.4.1/go.mod h1:d/NI6XZ9qxw67b4e+NgpQexCIiFYJjErASrYW4PFDN8=
 github.com/libp2p/go-libp2p-core v0.2.4/go.mod h1:STh4fdfa5vDYr0/SzYYeqnt+E6KfEV5VxfIrm0bcI0g=