Introduce identify and rendezvous network protocols (#304)

* Add rendezvous and identify feature dependencies for libp2p

* Introduce configuration parameters for rendezvous client and server

* Move network behaviour composer into separate module

* Add behaviour handlers for identify and rendezvous

* Add custom validator for rendezvous client mode

* Add handler to dial peers discovered via rendezvous server

* Log failed registration attempt with rendezvous server

* Add handlers for Sent, Pushed and Error identify events

* Add serde feature to libp2p dependency

* Add libp2p dependency to CLI for parser

* Update lockfile

* Replace String with Multiaddr and PeerId in CLI and config

* Add glyph to authors

* Update CHANGELOG

* Remove TODOs and errant whitespace

* Manually add external address and discover peers on rendezvous connection establishment

* Make log formatting syntax more consistent

* Update CLI usage instructions

* Add additional rendezvous client behaviour check and unwrap comments

* Use if let to avoid unwrap

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Introduce `identify` and `rendezvous` network protocols / behaviours [#304](https://github.com/p2panda/aquadoggo/pull/304)
+
 ### Added
 
 - Introduce libp2p networking service and configuration [#282](https://github.com/p2panda/aquadoggo/pull/282)

aquadoggo/Cargo.toml

@@ -7,6 +7,7 @@ authors = [
     "pietgeursen <pietgeursen@gmail.com>",
     "sandreae <contact@samandreae.com>",
     "sophiiistika <sophiiistika@mailbox.org>",
+    "glyph <glyph@mycelial.technology>",
 ]
 description = "Embeddable p2p network node"
 license = "AGPL-3.0-or-later"
@@ -38,6 +39,9 @@ libp2p = { version = "^0.51.0", features = [
     "quic",
     "ping",
     "mdns",
+    "identify",
+    "rendezvous",
+    "serde",
 ] }
 lipmaa-link = "^0.2.2"
 log = "^0.4.17"