feat: add loggerInfo and loggerErr callbacks to client options

src/baseClient.ts

@@ -26,6 +26,8 @@ export interface BaseClientOptions {
   store: IStore;
   optimisticUpdateCallback: OptimisticUpdateCallback;
   syncDelay?: number;
+  loggerInfo: (...any) => void;
+  loggerErr: (...any) => void;
 }
 
 export default abstract class BaseClient {
@@ -131,7 +133,9 @@ export default abstract class BaseClient {
         );
 
         if (!(validOrCommittee as boolean)) {
-          console.log(`Found invalid update at period(${curPeriod})`);
+          this.options.loggerInfo(
+            `Found invalid update at period(${curPeriod})`,
+          );
           return {
             syncCommittee: startCommittee,
             period: curPeriod,
@@ -239,7 +243,7 @@ export default abstract class BaseClient {
     this._latestOptimisticUpdate =
       capella.ssz.LightClientOptimisticUpdate.serialize(update);
 
-    console.log(
+    this.options.loggerInfo(
       `Optimistic update verified for slot ${update.attestedHeader.beacon.slot}`,
     );
 

src/client/client.ts

@@ -29,7 +29,7 @@ export default class Client extends BaseClient {
         blockHash,
       );
       this.subscribe((ei) => {
-        console.log(
+        this.options.loggerInfo(
           `Received a new blockheader: ${ei.blockNumber} ${ei.blockHash}`,
         );
         provider.update(ei.blockNumber, ei.blockHash);

src/client/index.ts

@@ -9,6 +9,8 @@ function createDefaultClient(
   proverHandler: ProverRequestCallback,
   rpcHandler: Function,
   optimisticUpdateHandler: OptimisticUpdateCallback,
+  loggerInfo: (...any) => void,
+  loggerErr: (...any) => void,
 ): Client {
   return new Client({
     prover: new Prover(proverHandler),
@@ -16,6 +18,8 @@ function createDefaultClient(
     provider: VerifyingProvider,
     rpcHandler,
     optimisticUpdateCallback: optimisticUpdateHandler,
+    loggerInfo,
+    loggerErr,
   });
 }
 

src/node/index.ts

@@ -20,6 +20,8 @@ function createDefaultClient(beaconUrl: string): Client {
 
       return capella.ssz.LightClientOptimisticUpdate.fromJson(update);
     },
+    loggerInfo: console.log,
+    loggerErr: console.error,
   };
 
   const client = new Client(options);