Admin add/remove peer (#7198)

N/A


  Adds endpoints to add and remove trusted peers from the http api. The added peers are trusted peers so they won't be disconnected for bad scores. We try to maintain a connection to the peer in case they disconnect from us by trying to dial it every heartbeat.

beacon_node/lighthouse_network/src/service/mod.rs

@@ -1236,6 +1236,21 @@ impl<E: EthSpec> Network<E> {
         }
     }
 
+    /// Adds the given `enr` to the trusted peers mapping and tries to dial it
+    /// every heartbeat to maintain the connection.
+    pub fn dial_trusted_peer(&mut self, enr: Enr) {
+        self.peer_manager_mut().add_trusted_peer(enr.clone());
+        self.peer_manager_mut().dial_peer(enr);
+    }
+
+    /// Remove the given peer from the trusted peers mapping if it exists and disconnect
+    /// from it.
+    pub fn remove_trusted_peer(&mut self, enr: Enr) {
+        self.peer_manager_mut().remove_trusted_peer(enr.clone());
+        self.peer_manager_mut()
+            .disconnect_peer(enr.peer_id(), GoodbyeReason::TooManyPeers);
+    }
+
     /* Sub-behaviour event handling functions */
 
     /// Handle a gossipsub event.