From f4612f2f80bcd1293985d1f9b1e59075a4dfc3f2 Mon Sep 17 00:00:00 2001
From: Oleg <olegnosov1@gmail.com>
Date: Fri, 31 Jan 2025 17:56:20 +0400
Subject: [PATCH] Tweak for accumulator witness updates

---
 packages/cheqd-blockchain-modules/CHANGELOG.md           | 6 ++++++
 packages/cheqd-blockchain-modules/package.json           | 2 +-
 .../cheqd-blockchain-modules/src/accumulator/internal.js | 9 +++++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/packages/cheqd-blockchain-modules/CHANGELOG.md b/packages/cheqd-blockchain-modules/CHANGELOG.md
index 91f1c806f..89f7561ab 100644
--- a/packages/cheqd-blockchain-modules/CHANGELOG.md
+++ b/packages/cheqd-blockchain-modules/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @docknetwork/cheqd-blockchain-modules
 
+## 0.25.0
+
+### Minor Changes
+
+- Tweak for accumulator witness updates
+
 ## 0.24.0
 
 ### Minor Changes
diff --git a/packages/cheqd-blockchain-modules/package.json b/packages/cheqd-blockchain-modules/package.json
index 55767f32b..562341d7d 100644
--- a/packages/cheqd-blockchain-modules/package.json
+++ b/packages/cheqd-blockchain-modules/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@docknetwork/cheqd-blockchain-modules",
-  "version": "0.24.0",
+  "version": "0.25.0",
   "type": "module",
   "license": "MIT",
   "main": "./dist/esm/index.js",
diff --git a/packages/cheqd-blockchain-modules/src/accumulator/internal.js b/packages/cheqd-blockchain-modules/src/accumulator/internal.js
index fd43fb1fa..15b9b2775 100644
--- a/packages/cheqd-blockchain-modules/src/accumulator/internal.js
+++ b/packages/cheqd-blockchain-modules/src/accumulator/internal.js
@@ -285,6 +285,11 @@ export default class CheqdInternalAccumulatorModule extends injectParams(
     ).ids();
 
     const startIdx = sortedIDs.findIndex((id) => id === startUUID);
+    if (startIdx === -1) {
+      throw new Error(
+        `Accumulator \`${accumulatorId}\` with version \`${startUUID}\` doesn't exist`,
+      );
+    }
     let endIdx;
     if (end != null) {
       endIdx = sortedIDs.findIndex((id) => id === endUUID);
@@ -307,6 +312,10 @@ export default class CheqdInternalAccumulatorModule extends injectParams(
       const { additions, removals, witnessUpdateInfo } = CheqdStoredAccumulator.from(
         validateResource(accumulator, String(name), Type),
       );
+      if (witnessUpdateInfo == null) {
+        // eslint-disable-next-line no-continue
+        continue;
+      }
 
       witness.updateUsingPublicInfoPostBatchUpdate(
         member,