chore(release): 0.1.0-develop.49 [skip ci]

# [0.1.0-develop.49](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.48...v0.1.0-develop.49) (2023-07-25)

### Bug Fixes

* add try/catch with mutex release on optimisticUpdateCallback ([7075966](7075966227))

CHANGELOG.md

@@ -1,3 +1,10 @@
+# [0.1.0-develop.49](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.48...v0.1.0-develop.49) (2023-07-25)
+
+
+### Bug Fixes
+
+* add try/catch with mutex release on optimisticUpdateCallback ([7075966](https://git.lumeweb.com/LumeWeb/libethsync/commit/7075966227515151490639b0f22a804d6e3b2583))
+
 # [0.1.0-develop.48](https://git.lumeweb.com/LumeWeb/libethsync/compare/v0.1.0-develop.47...v0.1.0-develop.48) (2023-07-24)
 
 

npm-shrinkwrap.json

@@ -1,12 +1,12 @@
 {
     "name": "@lumeweb/libethsync",
-    "version": "0.1.0-develop.48",
+    "version": "0.1.0-develop.49",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@lumeweb/libethsync",
-            "version": "0.1.0-develop.48",
+            "version": "0.1.0-develop.49",
             "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.48",
+    "version": "0.1.0-develop.49",
     "type": "module",
     "repository": {
         "type": "git",

src/baseClient.ts

@@ -86,6 +86,7 @@ export default abstract class BaseClient extends EventEmitter {
   public getCurrentBlock(): number {
     return getCurrentSlot(this.config.chainConfig, this.genesisTime);
   }
+
   public getLastBlock(): number | null {
     if (this._latestOptimisticUpdate) {
       return capella.ssz.LightClientOptimisticUpdate.deserialize(
@@ -227,7 +228,13 @@ export default abstract class BaseClient extends EventEmitter {
     }
 
     await this.optimisticMutex.acquire();
-    const update = await this.options.optimisticUpdateCallback();
+    let update: OptimisticUpdate;
+    try {
+      update = await this.options.optimisticUpdateCallback();
+    } catch (e) {
+      this.optimisticMutex.release();
+      throw e;
+    }
 
     const verify = await optimisticUpdateVerify(
       this.latestCommittee as Uint8Array[],