minor improvements

Author: danisharora099

packages/core/src/lib/connection_manager.ts

@@ -116,11 +116,7 @@ export class ConnectionManager
       ...options
     };
 
-    this.keepAliveManager = new KeepAliveManager(
-      libp2p.peerStore,
-      keepAliveOptions,
-      relay
-    );
+    this.keepAliveManager = new KeepAliveManager(keepAliveOptions, relay);
 
     this.run()
       .then(() => log(`Connection Manager is now running`))
@@ -344,7 +340,11 @@ export class ConnectionManager
       void (async () => {
         const peerId = evt.detail;
 
-        this.keepAliveManager.start(peerId, this.libp2p.services.ping);
+        this.keepAliveManager.start(
+          peerId,
+          this.libp2p.services.ping,
+          this.libp2p.peerStore
+        );
 
         const isBootstrap = (await this.getTagNamesForPeer(peerId)).includes(
           Tags.BOOTSTRAP

packages/core/src/lib/keep_alive_manager.ts

@@ -16,17 +16,19 @@ export class KeepAliveManager {
   private relayKeepAliveTimers: Map<PeerId, ReturnType<typeof setInterval>>;
   private options: KeepAliveOptions;
   private relay?: IRelay;
-  private peerStore: PeerStore;
 
-  constructor(peerStore: PeerStore, options: KeepAliveOptions, relay?: IRelay) {
+  constructor(options: KeepAliveOptions, relay?: IRelay) {
     this.pingKeepAliveTimers = new Map();
     this.relayKeepAliveTimers = new Map();
     this.options = options;
     this.relay = relay;
-    this.peerStore = peerStore;
   }
 
-  public start(peerId: PeerId, libp2pPing: PingService): void {
+  public start(
+    peerId: PeerId,
+    libp2pPing: PingService,
+    peerStore: PeerStore
+  ): void {
     // Just in case a timer already exists for this peer
     this.stop(peerId);
 
@@ -37,11 +39,13 @@ export class KeepAliveManager {
 
     if (pingPeriodSecs !== 0) {
       const interval = setInterval(() => {
+        // ping the peer for keep alive
+        // also update the peer store with the latency
         libp2pPing
           .ping(peerId)
           .then((ping) => {
             log(`Ping succeeded (${peerIdStr})`, ping);
-            this.peerStore
+            peerStore
               .patch(peerId, {
                 metadata: {
                   ping: utf8ToBytes(ping.toString())

packages/utils/src/libp2p/index.ts

@@ -20,7 +20,7 @@ export function selectRandomPeer(peers: Peer[]): Peer | undefined {
 
 /**
  * Returns the peer with the lowest latency.
- * @param getPing - A function that returns the latency for a given peer
+ * @param peerStore - The Libp2p PeerStore
  * @param peers - The list of peers to choose from
  * @returns The peer with the lowest latency, or undefined if no peer could be reached
  */