Validate mnemonic checksum

2025-06-23 11:31:38 +00:00
parent ccb70bae36
commit ac4c9191a0
2 changed files with 35 additions and 1 deletions
@@ -327,4 +327,23 @@ describe('Fail cases', () => {
      ]);
    }).toThrow();
  });
+
+  it('fromWord should fail if checksum is invalid', () => {
+    expect(() => {
+      // Invalid word "fnord".
+      Mnemonic.fromWords([
+        'abandon',
+        'abandon',
+        'abandon',
+        'abandon',
+        'abandon',
+        'abandon',
+        'abandon',
+        'abandon',
+        'abandon',
+        'abandon',
+        'banana',
+      ]);
+    }).toThrow();
+  });
 });