From 7e3d76ac62df55e4ccee06898fea8facb4679afc Mon Sep 17 00:00:00 2001
From: yushihang <yushihang@gmail.com>
Date: Mon, 29 Apr 2024 21:05:37 +0800
Subject: [PATCH] add cstringFree(resultPtr) to verifyPoseidon()

---
 lib/identity/libs/bjj/bjj.dart | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/identity/libs/bjj/bjj.dart b/lib/identity/libs/bjj/bjj.dart
index cde4d8c7..65bdfe89 100644
--- a/lib/identity/libs/bjj/bjj.dart
+++ b/lib/identity/libs/bjj/bjj.dart
@@ -314,6 +314,11 @@ class BabyjubjubLib {
     final msgPtr = msg.toNativeUtf8();
     final resultPtr = _verifyPoseidon(privateKeyPtr, sigPtr, msgPtr);
     final String resultString = resultPtr.toDartString();
+    //print("- Response string:  $resultString");
+    // Free the string pointer, as we already have
+    // an owned String to return
+    //print("- Freeing the native char*");
+    cstringFree(resultPtr);
     final bool result = resultString.compareTo("1") == 0;
     return result;
   }