chore: Update litep2p to v0.8.2

Cargo.toml

@@ -848,7 +848,7 @@ linked-hash-map = { version = "0.5.4" }
 linked_hash_set = { version = "0.1.4" }
 linregress = { version = "0.5.1" }
 lite-json = { version = "0.2.0", default-features = false }
-litep2p = { version = "0.8.1", features = ["websocket"] }
+litep2p = { version = "0.8.2", features = ["websocket"] }
 log = { version = "0.4.22", default-features = false }
 macro_magic = { version = "0.5.1" }
 maplit = { version = "1.0.2" }

prdoc/pr_6677.prdoc

@@ -0,0 +1,11 @@
+title: Update litep2p network backend to v0.8.2
+doc:
+  - audience: [ Node Dev, Node Operator ]
+  description: |
+    This release ensures that the provided peer identity is verified at the crypto/noise protocol level, enhancing security and preventing potential misuses.
+    The release also includes a fix that caused `TransportService` component to panic on debug builds.
+
+crates:
+  - name: sc-network
+    bump: patch
+

substrate/client/network/src/litep2p/mod.rs

@@ -986,7 +986,15 @@ impl<B: BlockT + 'static, H: ExHashT> NetworkBackend<B, H> for Litep2pNetworkBac
 
 						let direction = match endpoint {
 							Endpoint::Dialer { .. } => "out",
-							Endpoint::Listener { .. } => "in",
+							Endpoint::Listener { .. } => {
+								// Increment incoming connections counter.
+								//
+								// Note: For litep2p these are represented by established negotiated connections,
+								// while for libp2p (legacy) these represent not-yet-negotiated connections.
+								metrics.incoming_connections_total.inc();
+
+								"in"
+							},
 						};
 						metrics.connections_opened_total.with_label_values(&[direction]).inc();
 
@@ -1058,6 +1066,7 @@ impl<B: BlockT + 'static, H: ExHashT> NetworkBackend<B, H> for Litep2pNetworkBac
 									NegotiationError::ParseError(_) => "parse-error",
 									NegotiationError::IoError(_) => "io-error",
 									NegotiationError::WebSocket(_) => "webscoket-error",
+									NegotiationError::BadSignature => "bad-signature",
 								}
 							};