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.

common/eth2/src/lighthouse.rs

@@ -9,7 +9,8 @@ mod sync_committee_rewards;
 
 use crate::{
     types::{
-        DepositTreeSnapshot, Epoch, EthSpec, FinalizedExecutionBlock, GenericResponse, ValidatorId,
+        AdminPeer, DepositTreeSnapshot, Epoch, EthSpec, FinalizedExecutionBlock, GenericResponse,
+        ValidatorId,
     },
     BeaconNodeHttpClient, DepositData, Error, Eth1Data, Hash256, Slot,
 };
@@ -406,6 +407,30 @@ impl BeaconNodeHttpClient {
         self.post_with_response(path, &()).await
     }
 
+    /// `POST lighthouse/add_peer`
+    pub async fn post_lighthouse_add_peer(&self, req: AdminPeer) -> Result<(), Error> {
+        let mut path = self.server.full.clone();
+
+        path.path_segments_mut()
+            .map_err(|()| Error::InvalidUrl(self.server.clone()))?
+            .push("lighthouse")
+            .push("add_peer");
+
+        self.post_with_response(path, &req).await
+    }
+
+    /// `POST lighthouse/remove_peer`
+    pub async fn post_lighthouse_remove_peer(&self, req: AdminPeer) -> Result<(), Error> {
+        let mut path = self.server.full.clone();
+
+        path.path_segments_mut()
+            .map_err(|()| Error::InvalidUrl(self.server.clone()))?
+            .push("lighthouse")
+            .push("remove_peer");
+
+        self.post_with_response(path, &req).await
+    }
+
     /*
      Analysis endpoints.
     */

common/eth2/src/types.rs

@@ -1431,6 +1431,11 @@ pub struct ManualFinalizationRequestData {
     pub block_root: Hash256,
 }
 
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct AdminPeer {
+    pub enr: String,
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 pub struct LivenessRequestData {
     pub epoch: Epoch,