serve_repair: Remove internal ContactInfo field duplication

core/src/serve_repair.rs

@@ -19,12 +19,7 @@ use solana_ledger::{
 use solana_measure::measure::Measure;
 use solana_metrics::inc_new_counter_debug;
 use solana_perf::packet::{limited_deserialize, Packets, PacketsRecycler};
-use solana_sdk::{
-    clock::Slot,
-    pubkey::Pubkey,
-    signature::{Keypair, Signer},
-    timing::duration_as_ms,
-};
+use solana_sdk::{clock::Slot, pubkey::Pubkey, timing::duration_as_ms};
 use solana_streamer::streamer::{PacketReceiver, PacketSender};
 use std::{
     collections::{hash_map::Entry, HashMap, HashSet},
@@ -101,9 +96,6 @@ pub enum RepairProtocol {
 
 #[derive(Clone)]
 pub struct ServeRepair {
-    /// set the keypair that will be used to sign repair responses
-    keypair: Arc<Keypair>,
-    my_info: ContactInfo,
     cluster_info: Arc<ClusterInfo>,
 }
 
@@ -118,20 +110,15 @@ impl ServeRepair {
     }
 
     pub fn new(cluster_info: Arc<ClusterInfo>) -> Self {
-        let (keypair, my_info) = { (cluster_info.keypair.clone(), cluster_info.my_contact_info()) };
-        Self {
-            keypair,
-            my_info,
-            cluster_info,
-        }
+        Self { cluster_info }
     }
 
-    pub fn my_info(&self) -> &ContactInfo {
-        &self.my_info
+    fn my_info(&self) -> ContactInfo {
+        self.cluster_info.my_contact_info()
     }
 
-    pub fn keypair(&self) -> &Arc<Keypair> {
-        &self.keypair
+    pub(crate) fn my_id(&self) -> Pubkey {
+        self.cluster_info.id()
     }
 
     fn get_repair_sender(request: &RepairProtocol) -> &ContactInfo {
@@ -155,8 +142,8 @@ impl ServeRepair {
     ) -> Option<Packets> {
         let now = Instant::now();
 
-        //TODO verify from is signed
-        let my_id = me.read().unwrap().keypair.pubkey();
+        let my_id = me.read().unwrap().my_id();
+        //TODO: verify `from` is signed
         let from = Self::get_repair_sender(&request);
         if from.id == my_id {
             stats.self_repair += 1;
@@ -173,7 +160,7 @@ impl ServeRepair {
                             from,
                             from_addr,
                             blockstore,
-                            &me.read().unwrap().my_info,
+                            &my_id,
                             *slot,
                             *shred_index,
                             *nonce,
@@ -271,7 +258,7 @@ impl ServeRepair {
 
     fn report_reset_stats(me: &Arc<RwLock<Self>>, stats: &mut ServeRepairStats) {
         if stats.self_repair > 0 {
-            let my_id = me.read().unwrap().keypair.pubkey();
+            let my_id = me.read().unwrap().cluster_info.id();
             warn!(
                 "{}: Ignored received repair requests from ME: {}",
                 my_id, stats.self_repair,
@@ -368,8 +355,7 @@ impl ServeRepair {
         shred_index: u64,
         nonce: Nonce,
     ) -> Result<Vec<u8>> {
-        let req =
-            RepairProtocol::WindowIndexWithNonce(self.my_info.clone(), slot, shred_index, nonce);
+        let req = RepairProtocol::WindowIndexWithNonce(self.my_info(), slot, shred_index, nonce);
         let out = serialize(&req)?;
         Ok(out)
     }
@@ -380,18 +366,14 @@ impl ServeRepair {
         shred_index: u64,
         nonce: Nonce,
     ) -> Result<Vec<u8>> {
-        let req = RepairProtocol::HighestWindowIndexWithNonce(
-            self.my_info.clone(),
-            slot,
-            shred_index,
-            nonce,
-        );
+        let req =
+            RepairProtocol::HighestWindowIndexWithNonce(self.my_info(), slot, shred_index, nonce);
         let out = serialize(&req)?;
         Ok(out)
     }
 
     fn orphan_bytes(&self, slot: Slot, nonce: Nonce) -> Result<Vec<u8>> {
-        let req = RepairProtocol::OrphanWithNonce(self.my_info.clone(), slot, nonce);
+        let req = RepairProtocol::OrphanWithNonce(self.my_info(), slot, nonce);
         let out = serialize(&req)?;
         Ok(out)
     }
@@ -481,7 +463,7 @@ impl ServeRepair {
             repair_validators
                 .iter()
                 .filter_map(|key| {
-                    if *key != self.my_info.id {
+                    if *key != self.my_id() {
                         self.cluster_info.lookup_contact_info(key, |ci| ci.clone())
                     } else {
                         None
@@ -498,7 +480,7 @@ impl ServeRepair {
         from: &ContactInfo,
         from_addr: &SocketAddr,
         blockstore: Option<&Arc<Blockstore>>,
-        me: &ContactInfo,
+        my_id: &Pubkey,
         slot: Slot,
         shred_index: u64,
         nonce: Nonce,
@@ -526,7 +508,7 @@ impl ServeRepair {
         inc_new_counter_debug!("serve_repair-window-request-fail", 1);
         trace!(
             "{}: failed WindowIndex {} {} {}",
-            me.id,
+            my_id,
             from.id,
             slot,
             shred_index,
@@ -721,7 +703,7 @@ mod tests {
                 &me,
                 &socketaddr_any!(),
                 Some(&blockstore),
-                &me,
+                &me.id,
                 slot,
                 0,
                 nonce,
@@ -739,7 +721,7 @@ mod tests {
                 &me,
                 &socketaddr_any!(),
                 Some(&blockstore),
-                &me,
+                &me.id,
                 slot,
                 index,
                 nonce,

core/src/serve_repair_service.rs

@@ -23,7 +23,7 @@ impl ServeRepairService {
         let serve_repair_socket = Arc::new(serve_repair_socket);
         trace!(
             "ServeRepairService: id: {}, listening on: {:?}",
-            &serve_repair.read().unwrap().my_info().id,
+            &serve_repair.read().unwrap().my_id(),
             serve_repair_socket.local_addr().unwrap()
         );
         let t_receiver = streamer::receiver(