From f3004b033574af54f18665aa27e9e6661b7c7d99 Mon Sep 17 00:00:00 2001
From: zgrguric <zgrguric@xrplwin.com>
Date: Wed, 12 Nov 2025 21:47:43 +0100
Subject: [PATCH 1/2] Fix HookStateScale validation

---
 .../xahau/src/models/transactions/accountSet.ts | 13 ++++++++++++-
 packages/xahau/test/models/accountSet.test.ts   | 17 +++++++++++++++--
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/packages/xahau/src/models/transactions/accountSet.ts b/packages/xahau/src/models/transactions/accountSet.ts
index 6c16552394..7b9b942236 100644
--- a/packages/xahau/src/models/transactions/accountSet.ts
+++ b/packages/xahau/src/models/transactions/accountSet.ts
@@ -173,6 +173,7 @@ export interface AccountSet extends BaseTransaction {
 const MIN_TICK_SIZE = 3
 const MAX_TICK_SIZE = 15
 const MAX_HOOK_STATE_SCALE = 16
+const MIN_HOOK_STATE_SCALE = 1
 
 /**
  * Verify the form and type of an AccountSet at runtime.
@@ -233,12 +234,22 @@ export function validateAccountSet(tx: Record<string, unknown>): void {
   }
 
   validateOptionalField(tx, 'HookStateScale', isNumber)
+
   if (
     typeof tx.HookStateScale === 'number' &&
     tx.HookStateScale > MAX_HOOK_STATE_SCALE
   ) {
     throw new ValidationError(
-      `AccountSet: HookStateScale must be less than ${MAX_HOOK_STATE_SCALE}`,
+      `AccountSet: HookStateScale must be less than or equal to ${MAX_HOOK_STATE_SCALE}`,
+    )
+  }
+
+  if (
+    typeof tx.HookStateScale === 'number' &&
+    tx.HookStateScale < MIN_HOOK_STATE_SCALE
+  ) {
+    throw new ValidationError(
+      `AccountSet: HookStateScale must be greater than or equal to ${MIN_HOOK_STATE_SCALE}`,
     )
   }
 }
diff --git a/packages/xahau/test/models/accountSet.test.ts b/packages/xahau/test/models/accountSet.test.ts
index 947615d41d..03ac3efcca 100644
--- a/packages/xahau/test/models/accountSet.test.ts
+++ b/packages/xahau/test/models/accountSet.test.ts
@@ -182,12 +182,25 @@ describe('AccountSet', function () {
     assert.throws(
       () => validateAccountSet(account),
       ValidationError,
-      'AccountSet: HookStateScale must be less than 16',
+      'AccountSet: HookStateScale must be less than or equal to 16',
     )
     assert.throws(
       () => validate(account),
       ValidationError,
-      'AccountSet: HookStateScale must be less than 16',
+      'AccountSet: HookStateScale must be less than or equal to 16',
     )
+
+    account.HookStateScale = 0
+    assert.throws(
+      () => validateAccountSet(account),
+      ValidationError,
+      'AccountSet: HookStateScale must be greater than or equal to 1',
+    )
+    assert.throws(
+      () => validate(account),
+      ValidationError,
+      'AccountSet: HookStateScale must be greater than or equal to 1',
+    )
+
   })
 })

From f5e0ffdb9c525daba92bb49834d2a96774e3169c Mon Sep 17 00:00:00 2001
From: zgrguric <zgrguric@xrplwin.com>
Date: Sun, 16 Nov 2025 11:04:15 +0100
Subject: [PATCH 2/2] Fix new line in accountSet test

Attempt to fix lint check
---
 packages/xahau/test/models/accountSet.test.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/xahau/test/models/accountSet.test.ts b/packages/xahau/test/models/accountSet.test.ts
index 03ac3efcca..d12a35dbd6 100644
--- a/packages/xahau/test/models/accountSet.test.ts
+++ b/packages/xahau/test/models/accountSet.test.ts
@@ -201,6 +201,5 @@ describe('AccountSet', function () {
       ValidationError,
       'AccountSet: HookStateScale must be greater than or equal to 1',
     )
-
   })
 })