From a25bb62b58564c7205fd55f48c3aaebc5a1defe0 Mon Sep 17 00:00:00 2001
From: Andrei Marinica <andrei.marinica@multiversx.com>
Date: Mon, 10 Jun 2024 16:24:46 +0300
Subject: [PATCH] managed dealloc - api

---
 .../base/src/api/managed_types/managed_type_api_impl.rs  | 6 ++++++
 framework/base/src/types/managed/basic/managed_buffer.rs | 9 +++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/framework/base/src/api/managed_types/managed_type_api_impl.rs b/framework/base/src/api/managed_types/managed_type_api_impl.rs
index 1d2ead32ec..985678da17 100644
--- a/framework/base/src/api/managed_types/managed_type_api_impl.rs
+++ b/framework/base/src/api/managed_types/managed_type_api_impl.rs
@@ -65,4 +65,10 @@ pub trait ManagedTypeApiImpl:
     fn get_token_ticker_len(&self, token_id_len: usize) -> usize {
         super::token_identifier_util::get_token_ticker_len(token_id_len)
     }
+
+    fn drop_managed_buffer(&self, _handle: Self::ManagedBufferHandle) {}
+    fn drop_big_float(&self, _handle: Self::BigFloatHandle) {}
+    fn drop_big_int(&self, _handle: Self::BigIntHandle) {}
+    fn drop_elliptic_curve(&self, _handle: Self::EllipticCurveHandle) {}
+    fn drop_managed_map(&self, _handle: Self::ManagedMapHandle) {}
 }
diff --git a/framework/base/src/types/managed/basic/managed_buffer.rs b/framework/base/src/types/managed/basic/managed_buffer.rs
index d232776b2e..8152080317 100644
--- a/framework/base/src/types/managed/basic/managed_buffer.rs
+++ b/framework/base/src/types/managed/basic/managed_buffer.rs
@@ -1,8 +1,7 @@
 use crate::{
     abi::{TypeAbi, TypeAbiFrom, TypeName},
     api::{
-        use_raw_handle, ErrorApiImpl, HandleConstraints, InvalidSliceError, ManagedBufferApiImpl,
-        ManagedTypeApi, StaticVarApiImpl,
+        use_raw_handle, ErrorApiImpl, HandleConstraints, InvalidSliceError, ManagedBufferApiImpl, ManagedTypeApi, ManagedTypeApiImpl, StaticVarApiImpl
     },
     codec::{
         DecodeErrorHandler, Empty, EncodeErrorHandler, NestedDecode, NestedDecodeInput,
@@ -350,6 +349,12 @@ impl<M: ManagedTypeApi> Clone for ManagedBuffer<M> {
     }
 }
 
+impl<M: ManagedTypeApi> Drop for ManagedBuffer<M> {
+    fn drop(&mut self) {
+        M::managed_type_impl().drop_managed_buffer(self.get_handle());
+    }
+}
+
 impl<M: ManagedTypeApi> PartialEq for ManagedBuffer<M> {
     #[inline]
     fn eq(&self, other: &Self) -> bool {