I write one file of C++ code and of course I forgot to free my memory

blockchain-sys/src/bindings.rs

@@ -55,3 +55,6 @@ extern "C" {
 extern "C" {
     pub fn libbc_blockchain_print(bc: *mut LibBcBlockchain);
 }
+extern "C" {
+    pub fn libbc_delete_blockchain(bc: *mut LibBcBlockchain);
+}

libblockchain/src/lib.cpp

@@ -38,4 +38,8 @@ void libbc_blockchain_add(LibBcBlockchain *bc, uint64_t id, struct LibBcPayload
 
 void libbc_blockchain_print(LibBcBlockchain *bc) {
     bc->print();
+}
+
+void libbc_delete_blockchain(LibBcBlockchain *bc) {
+    delete bc;
 }
\ No newline at end of file

libblockchain/src/lib.h

@@ -33,6 +33,8 @@ extern "C"
     void libbc_blockchain_add(LibBcBlockchain *bc, uint64_t id, struct LibBcPayload payload);
     void libbc_blockchain_print(LibBcBlockchain *bc);
 
+    void libbc_delete_blockchain(LibBcBlockchain *bc);
+
 #ifdef __cplusplus
 }
 #endif
\ No newline at end of file

program/src/main.rs

@@ -38,5 +38,6 @@ fn main() {
 
     unsafe {
         blockchain_sys::libbc_blockchain_print(blockchain.inner);
+        blockchain_sys::libbc_delete_blockchain(blockchain.inner);
     }
 }