feat: support admin_peers (#4435)

crates/net/eth-wire/src/capability.rs

@@ -5,6 +5,7 @@ use reth_codecs::add_arbitrary_tests;
 use reth_primitives::bytes::{BufMut, Bytes};
 use reth_rlp::{Decodable, DecodeError, Encodable, RlpDecodable, RlpEncodable};
 use smol_str::SmolStr;
+use std::fmt;
 
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
@@ -72,6 +73,12 @@ impl Capability {
     }
 }
 
+impl fmt::Display for Capability {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}/{}", self.name, self.version)
+    }
+}
+
 #[cfg(any(test, feature = "arbitrary"))]
 impl<'a> arbitrary::Arbitrary<'a> for Capability {
     fn arbitrary(u: &mut arbitrary::Unstructured<'a>) -> arbitrary::Result<Self> {

crates/net/eth-wire/src/p2pstream.rs

@@ -75,6 +75,11 @@ impl<S> UnauthedP2PStream<S> {
     pub fn new(inner: S) -> Self {
         Self { inner }
     }
+
+    /// Returns a reference to the inner stream.
+    pub fn inner(&self) -> &S {
+        &self.inner
+    }
 }
 
 impl<S> UnauthedP2PStream<S>
@@ -242,6 +247,11 @@ impl<S> P2PStream<S> {
         }
     }
 
+    /// Returns a reference to the inner stream.
+    pub fn inner(&self) -> &S {
+        &self.inner
+    }
+
     /// Sets a custom outgoing message buffer capacity.
     ///
     /// # Panics