Add getPeers method

To know if relay messages would be published.

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+- `WakuRelay.getPeers` method.
+
 ### Changed
 - Enable passing `string`s to `addPeerToAddressBook`.
 - Use `addPeerToAddressBook` in examples and usage doc.

src/lib/waku_relay/index.ts

@@ -152,6 +152,18 @@ export class WakuRelay extends Gossipsub implements Pubsub {
     }
   }
 
+  /**
+   * Return the relay peers we are connected to and we would publish a message to
+   */
+  getPeers(): Set<string> {
+    return getRelayPeers(this, DefaultPubsubTopic, this._options.D, (id) => {
+      // Filter peers we would not publish to
+      return (
+        this.score.score(id) >= this._options.scoreThresholds.publishThreshold
+      );
+    });
+  }
+
   /**
    * Join pubsub topic.
    * This is present to override the behavior of Gossipsub and should not