Set outgoing IP address for incomming peers after Ext. handshake

crates/peer_binary_protocol/src/extended/handshake.rs

@@ -69,6 +69,28 @@ where
             ut_pex: self.ut_pex(),
         }
     }
+
+    pub fn ip_addr(&self) -> Option<IpAddr> {
+        if let Some(b) = self.ipv4 {
+            let b = b.as_slice();
+            if b.len() == 4 {
+                let ip_bytes: &[u8; 4] = b[0..4].try_into().unwrap(); // Safe to unwrap as we check slice length
+                return Some(IpAddr::from(*ip_bytes));
+            }
+        }
+        if let Some(b) = self.ipv6 {
+            let b = b.as_slice();
+            if b.len() == 16 {
+                let ip_bytes: &[u8; 16] = b[0..16].try_into().unwrap(); // Safe to unwrap as we check slice length
+                return Some(IpAddr::from(*ip_bytes));
+            }
+        }
+        None
+    }
+
+    pub fn port(&self) -> Option<u16> {
+        self.p.and_then(|p| u16::try_from(p).ok())
+    }
 }
 
 impl<ByteBuf> CloneToOwned for ExtendedHandshake<ByteBuf>