feat: add disablePeerScoring flag and MaxScore

packages/beacon-node/src/network/network.ts

@@ -161,7 +161,7 @@ export class Network implements INetwork {
     const peersData = new PeersData();
     const networkEventBus = new NetworkEventBus();
     const metadata = new MetadataController(config);
-    const peerRpcScores = new PeerRpcScoreStore(metricsCore);
+    const peerRpcScores = new PeerRpcScoreStore(opts, metricsCore);
 
     const libp2p = await createNodeJsLibp2p(peerId, opts, {
       peerStoreDir: peerStoreDir,

packages/beacon-node/src/network/options.ts

@@ -1,6 +1,6 @@
 import {Eth2GossipsubOpts} from "./gossip/gossipsub.js";
 import {defaultGossipHandlerOpts} from "./processor/gossipHandlers.js";
-import {PeerManagerOpts} from "./peers/index.js";
+import {PeerManagerOpts, PeerRpcScoreOpts} from "./peers/index.js";
 import {ReqRespBeaconNodeOpts} from "./reqresp/ReqRespBeaconNode.js";
 import {NetworkProcessorOpts} from "./processor/index.js";
 
@@ -10,6 +10,7 @@ export interface NetworkOptions
     // remove all Functions
     Omit<ReqRespBeaconNodeOpts, "getPeerLogMetadata" | "onRateLimit">,
     NetworkProcessorOpts,
+    PeerRpcScoreOpts,
     Eth2GossipsubOpts {
   localMultiaddrs: string[];
   bootMultiaddrs?: string[];

packages/beacon-node/src/network/peers/score/interface.ts

@@ -3,6 +3,10 @@ import {NetworkCoreMetrics} from "../../core/metrics.js";
 
 export type PeerIdStr = string;
 
+export type PeerRpcScoreOpts = {
+  disablePeerScoring?: boolean;
+};
+
 export interface IPeerRpcScoreStore {
   getScore(peer: PeerId): number;
   getGossipScore(peer: PeerId): number;

packages/beacon-node/src/network/peers/score/score.ts

@@ -128,3 +128,34 @@ export class RealScore implements IPeerScore {
     }
   }
 }
+
+/** An implementation of IPeerScore for testing */
+export class MaxScore implements IPeerScore {
+  getScore(): number {
+    return DEFAULT_SCORE;
+  }
+
+  getGossipScore(): number {
+    return DEFAULT_SCORE;
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-empty-function
+  add(): void {}
+
+  update(): number {
+    return DEFAULT_SCORE;
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-empty-function
+  updateGossipsubScore(): void {}
+
+  getStat(): PeerScoreStat {
+    return {
+      lodestarScore: DEFAULT_SCORE,
+      gossipScore: DEFAULT_SCORE,
+      ignoreNegativeGossipScore: false,
+      score: DEFAULT_SCORE,
+      lastUpdate: Date.now(),
+    };
+  }
+}

packages/beacon-node/src/network/peers/score/store.ts

@@ -1,9 +1,17 @@
 import {PeerId} from "@libp2p/interface-peer-id";
 import {MapDef, pruneSetToMax} from "@lodestar/utils";
 import {NetworkCoreMetrics} from "../../core/metrics.js";
-import {IPeerRpcScoreStore, IPeerScore, PeerAction, PeerIdStr, PeerScoreStats, ScoreState} from "./interface.js";
+import {
+  IPeerRpcScoreStore,
+  IPeerScore,
+  PeerAction,
+  PeerIdStr,
+  PeerRpcScoreOpts,
+  PeerScoreStats,
+  ScoreState,
+} from "./interface.js";
 import {DEFAULT_SCORE, MAX_ENTRIES, MAX_SCORE, MIN_SCORE, SCORE_THRESHOLD} from "./constants.js";
-import {RealScore} from "./score.js";
+import {MaxScore, RealScore} from "./score.js";
 import {scoreToState} from "./utils.js";
 
 const peerActionScore: Record<PeerAction, number> = {
@@ -19,13 +27,14 @@ const peerActionScore: Record<PeerAction, number> = {
  * The decay rate applies equally to positive and negative scores.
  */
 export class PeerRpcScoreStore implements IPeerRpcScoreStore {
-  private readonly scores = new MapDef<PeerIdStr, IPeerScore>(() => new RealScore());
+  private readonly scores: MapDef<PeerIdStr, IPeerScore>;
   private readonly metrics: NetworkCoreMetrics | null;
 
   // TODO: Persist scores, at least BANNED status to disk
 
-  constructor(metrics: NetworkCoreMetrics | null = null) {
+  constructor(opts: PeerRpcScoreOpts = {}, metrics: NetworkCoreMetrics | null = null) {
     this.metrics = metrics;
+    this.scores = opts.disablePeerScoring ? new MapDef(() => new MaxScore()) : new MapDef(() => new RealScore());
   }
 
   getScore(peer: PeerId): number {

packages/cli/src/options/beaconNodeOptions/network.ts

@@ -12,6 +12,7 @@ export type NetworkArgs = {
   bootnodes?: string[];
   targetPeers: number;
   subscribeAllSubnets: boolean;
+  disablePeerScoring: boolean;
   mdns: boolean;
   "network.maxPeers": number;
   "network.connectToDiscv5Bootnodes": boolean;
@@ -58,6 +59,7 @@ export function parseArgs(args: NetworkArgs): IBeaconNodeOptions["network"] {
     targetPeers,
     localMultiaddrs: [`/ip4/${listenAddress}/tcp/${tcpPort}`],
     subscribeAllSubnets: args["subscribeAllSubnets"],
+    disablePeerScoring: args["disablePeerScoring"],
     connectToDiscv5Bootnodes: args["network.connectToDiscv5Bootnodes"],
     discv5FirstQueryDelayMs: args["network.discv5FirstQueryDelayMs"],
     dontSendGossipAttestationsToForkchoice: args["network.dontSendGossipAttestationsToForkchoice"],
@@ -128,6 +130,13 @@ export const options: CliCommandOptions<NetworkArgs> = {
     group: "network",
   },
 
+  disablePeerScoring: {
+    type: "boolean",
+    description: "Disable peer scoring, used for testing on devnets",
+    defaultDescription: String(defaultOptions.network.disablePeerScoring === true),
+    group: "network",
+  },
+
   mdns: {
     type: "boolean",
     description: "Enable mdns local peer discovery",

packages/cli/test/unit/options/beaconNodeOptions.test.ts

@@ -71,6 +71,7 @@ describe("options / beaconNodeOptions", () => {
       bootnodes: ["enr:-somedata"],
       targetPeers: 25,
       subscribeAllSubnets: true,
+      disablePeerScoring: true,
       mdns: false,
       "network.maxPeers": 30,
       "network.connectToDiscv5Bootnodes": true,
@@ -168,6 +169,7 @@ describe("options / beaconNodeOptions", () => {
         targetPeers: 25,
         localMultiaddrs: ["/ip4/127.0.0.1/tcp/9001"],
         subscribeAllSubnets: true,
+        disablePeerScoring: true,
         connectToDiscv5Bootnodes: true,
         discv5FirstQueryDelayMs: 1000,
         dontSendGossipAttestationsToForkchoice: true,