chore(release): 0.1.0-develop.12 [skip ci]

# [0.1.0-develop.12](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.11...v0.1.0-develop.12) (2023-07-11)

### Bug Fixes

* fix usage of deserializeSyncCommittee ([80fdc45](80fdc45ccd))

CHANGELOG.md

@@ -1,3 +1,10 @@
+# [0.1.0-develop.12](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.11...v0.1.0-develop.12) (2023-07-11)
+
+
+### Bug Fixes
+
+* fix usage of deserializeSyncCommittee ([80fdc45](https://git.lumeweb.com/LumeWeb/libethsync/commit/80fdc45ccd3993e96a57849bd3acae75cf46eb76))
+
 # [0.1.0-develop.11](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.10...v0.1.0-develop.11) (2023-07-11)
 
 

npm-shrinkwrap.json

@@ -1,12 +1,12 @@
 {
     "name": "@lumeweb/libethclient",
-    "version": "0.1.0-develop.11",
+    "version": "0.1.0-develop.12",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@lumeweb/libethclient",
-            "version": "0.1.0-develop.11",
+            "version": "0.1.0-develop.12",
             "dependencies": {
                 "@chainsafe/as-sha256": "^0.3.1",
                 "@chainsafe/bls": "7.1.1",

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@lumeweb/libethsync",
-    "version": "0.1.0-develop.11",
+    "version": "0.1.0-develop.12",
     "type": "module",
     "repository": {
         "type": "git",

src/util.ts

@@ -9,6 +9,7 @@ import axiosRetry from "axios-retry";
 import axios from "axios";
 import { digest } from "@chainsafe/as-sha256";
 import { concatBytes } from "@noble/hashes/utils";
+import { deserializeSyncCommittee } from "@lodestar/light-client/utils";
 
 export function getDefaultClientConfig() {
   const chainConfig = createBeaconConfig(
@@ -38,7 +39,14 @@ export async function optimisticUpdateVerify(
     const headerBlockRoot = phase0.ssz.BeaconBlockHeader.hashTreeRoot(
       header.beacon,
     );
-    const committeeFast = this.deserializeSyncCommittee(committee);
+
+    const committeeFast = deserializeSyncCommittee({
+      pubkeys: committee,
+      aggregatePubkey: bls.PublicKey.aggregate(
+        deserializePubkeys(committee),
+      ).toBytes(),
+    });
+
     try {
       assertValidSignedHeader(
         this.config.chainConfig,