chore(release): 0.1.0-develop.43 [skip ci]

# [0.1.0-develop.43](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.42...v0.1.0-develop.43) (2023-07-23)

### Features

* use event emitter and emit "update" on every light client update processed ([232af83](232af830c9))

CHANGELOG.md

@@ -1,3 +1,10 @@
+# [0.1.0-develop.43](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.42...v0.1.0-develop.43) (2023-07-23)
+
+
+### Features
+
+* use event emitter and emit "update" on every light client update processed ([232af83](https://git.lumeweb.com/LumeWeb/libethsync/commit/232af830c9c844fa5b6f2e5b4c50c2f0a067188e))
+
 # [0.1.0-develop.42](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.41...v0.1.0-develop.42) (2023-07-15)
 
 # [0.1.0-develop.41](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.40...v0.1.0-develop.41) (2023-07-14)

npm-shrinkwrap.json

@@ -1,12 +1,12 @@
 {
-    "name": "@lumeweb/libethclient",
+    "name": "@lumeweb/libethsync",
-    "version": "0.1.0-develop.42",
+    "version": "0.1.0-develop.43",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
-            "name": "@lumeweb/libethclient",
+            "name": "@lumeweb/libethsync",
-            "version": "0.1.0-develop.42",
+            "version": "0.1.0-develop.43",
             "dependencies": {
                 "@chainsafe/as-sha256": "^0.3.1",
                 "@chainsafe/bls": "7.1.1",
@@ -28,6 +28,7 @@
                 "axios-retry": "^3.5.1",
                 "detect-node": "^2.1.0",
                 "ethereum-cryptography": "^2.0.0",
+                "events": "^3.3.0",
                 "node-cache": "^5.1.2",
                 "rlp": "^3.0.0",
                 "web3-types": "^1.0.1"
@@ -8734,7 +8735,6 @@
             "version": "3.3.0",
             "resolved": "https://registry.npmjs.org/events/-/events-3.3.0.tgz",
             "integrity": "sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==",
-            "dev": true,
             "engines": {
                 "node": ">=0.8.x"
             }

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@lumeweb/libethsync",
-    "version": "0.1.0-develop.42",
+    "version": "0.1.0-develop.43",
     "type": "module",
     "repository": {
         "type": "git",
@@ -47,6 +47,7 @@
         "axios-retry": "^3.5.1",
         "detect-node": "^2.1.0",
         "ethereum-cryptography": "^2.0.0",
+        "events": "^3.3.0",
         "node-cache": "^5.1.2",
         "rlp": "^3.0.0",
         "web3-types": "^1.0.1"

src/baseClient.ts

@@ -20,6 +20,7 @@ import {
 } from "#types.js";
 import { assertValidLightClientUpdate } from "@lodestar/light-client/validation";
 import * as capella from "@lodestar/types/capella";
+import { EventEmitter } from "events";
 
 export interface BaseClientOptions {
   prover: IProver;
@@ -30,7 +31,7 @@ export interface BaseClientOptions {
   loggerErr: (...any) => void;
 }
 
-export default abstract class BaseClient {
+export default abstract class BaseClient extends EventEmitter {
   protected latestCommittee?: Uint8Array[];
   protected latestBlockHash?: string;
   protected config: ClientConfig = getDefaultClientConfig();
@@ -45,6 +46,7 @@ export default abstract class BaseClient {
   private optimisticMutex = new Mutex();
 
   constructor(options: BaseClientOptions) {
+    super();
     this.options = options;
   }
 
@@ -143,6 +145,8 @@ export default abstract class BaseClient {
 
         startCommittee = validOrCommittee as Uint8Array[];
 
+        this.emit("update", update);
+
         if (this.options.syncDelay) {
           await new Promise((resolve) =>
             setTimeout(resolve, this.options.syncDelay),