From 15af9eab3af6e2d94c16b8807302a972f8496683 Mon Sep 17 00:00:00 2001
From: killroy192 <22351223+killroy192@users.noreply.github.com>
Date: Thu, 23 Apr 2026 14:49:23 +0100
Subject: [PATCH] read factor from CommitmentRemoved event

---
 src/services/ledger/Watcher.ts |  2 +-
 src/utils/vault/vault.abi.ts   | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/services/ledger/Watcher.ts b/src/services/ledger/Watcher.ts
index f321b2e..6a13874 100644
--- a/src/services/ledger/Watcher.ts
+++ b/src/services/ledger/Watcher.ts
@@ -311,7 +311,7 @@ export class Watcher extends EventEmitter {
             event.blockNumber!.toString(),
             event.transactionIndex!,
             event.logIndex!,
-            deletedRecord.decrypted.factor.toString(),
+            (event.args.factor ?? deletedRecord.decrypted.factor).toString(),
           );
           await this.commitmentsHistory.add(encryptedHistoryRecord);
         }
diff --git a/src/utils/vault/vault.abi.ts b/src/utils/vault/vault.abi.ts
index 20c686c..4efa803 100644
--- a/src/utils/vault/vault.abi.ts
+++ b/src/utils/vault/vault.abi.ts
@@ -57,6 +57,12 @@ export const VAULT_ABI = [
         name: "poseidonHash",
         type: "uint256",
       },
+      {
+        indexed: false,
+        internalType: "uint256",
+        name: "factor",
+        type: "uint256",
+      },
     ],
     name: "CommitmentRemoved",
     type: "event",
@@ -142,6 +148,24 @@ export const VAULT_ABI = [
     name: "Spend",
     type: "event",
   },
+  {
+    inputs: [
+      {
+        internalType: "address",
+        name: "newImplementation",
+        type: "address",
+      },
+      {
+        internalType: "bytes32",
+        name: "paramsHash",
+        type: "bytes32",
+      },
+    ],
+    name: "approveUpgrade",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  },
   {
     inputs: [
       {