From 62de1b3e8d820ef1d7c9d430c3ea48f03ac5187f Mon Sep 17 00:00:00 2001
From: Pravdyvy <awxrvtb@gmail.com>
Date: Fri, 7 Aug 2026 16:21:46 +0300
Subject: [PATCH] fix(integration_tests): fix double free

---
 integration_tests/tests/wallet_ffi.rs | 1 -
 lez/wallet-ffi/src/types.rs           | 5 +++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/integration_tests/tests/wallet_ffi.rs b/integration_tests/tests/wallet_ffi.rs
index d421291f..e9fe3920 100644
--- a/integration_tests/tests/wallet_ffi.rs
+++ b/integration_tests/tests/wallet_ffi.rs
@@ -1005,7 +1005,6 @@ fn test_wallet_ffi_transfer_public() -> Result<()> {
     assert!(is_included);
 
     unsafe {
-        wallet_ffi_free_transfer_result(&raw mut transfer_result);
         wallet_ffi_destroy(wallet_ffi_handle);
     }
 
diff --git a/lez/wallet-ffi/src/types.rs b/lez/wallet-ffi/src/types.rs
index cf872338..154d87f8 100644
--- a/lez/wallet-ffi/src/types.rs
+++ b/lez/wallet-ffi/src/types.rs
@@ -157,6 +157,7 @@ impl Default for FfiAccountList {
 
 /// Result of a transfer operation.
 #[repr(C)]
+#[derive(Debug)]
 pub struct FfiTransferResult {
     // TODO: Replace with HashType FFI representation
     /// Transaction hash (null-terminated string, or null on failure).
@@ -176,11 +177,11 @@ impl Default for FfiTransferResult {
 
 impl FfiTransferResult {
     #[must_use]
-    /// Casting valid results hash into bytes.
+    /// Casting valid results hash into bytes. Effectively frees `FfiTransferResult`.
     ///
     /// # Safety
     /// Field `tx_hash` must be a valid pointer into transaction hash.
-    pub unsafe fn tx_hash_bytes(&self) -> FfiBytes32 {
+    pub unsafe fn tx_hash_bytes(self) -> FfiBytes32 {
         let cstring = unsafe { CString::from_raw(self.tx_hash) };
         let rstring = cstring.into_string().expect("Must be a valid Rust string");