diff --git a/package.json b/package.json
index 442f5d6..5511636 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cryptoforknote-util",
-  "version": "15.5.4",
+  "version": "15.5.5",
   "author": {
     "name": "LucasJones",
     "email": "lucasjonesdev@hotmail.co.uk"
diff --git a/src/serialization/container.h b/src/serialization/container.h
new file mode 100644
index 0000000..c64549c
--- /dev/null
+++ b/src/serialization/container.h
@@ -0,0 +1,114 @@
+// Copyright (c) 2014-2022, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// 
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+namespace serialization
+{
+  namespace detail
+  {
+    template<typename T>
+    inline constexpr bool use_container_varint() noexcept
+    {
+      return std::is_integral<T>::value && std::is_unsigned<T>::value && sizeof(T) > 1;
+    }
+
+    template <typename Archive, class T>
+    typename std::enable_if<!use_container_varint<T>(), bool>::type
+    serialize_container_element(Archive& ar, T& e)
+    {
+      return do_serialize(ar, e);
+    }
+
+    template<typename Archive, typename T>
+    typename std::enable_if<use_container_varint<T>(), bool>::type
+    serialize_container_element(Archive& ar, T& e)
+    {
+      static constexpr const bool previously_varint = std::is_same<uint64_t, T>() || std::is_same<uint32_t, T>();
+
+      if (!previously_varint && ar.varint_bug_backward_compatibility_enabled() && !typename Archive::is_saving())
+        return do_serialize(ar, e);
+      ar.serialize_varint(e);
+      return true;
+    }
+
+    template <typename C>
+    void do_reserve(C &c, size_t N) {}
+  }
+}
+
+template <template <bool> class Archive, typename C>
+bool do_serialize_container(Archive<false> &ar, C &v)
+{
+  size_t cnt;
+  ar.begin_array(cnt);
+  if (!ar.good())
+    return false;
+  v.clear();
+
+  // very basic sanity check
+  if (ar.remaining_bytes() < cnt) {
+    ar.set_fail();
+    return false;
+  }
+
+  ::serialization::detail::do_reserve(v, cnt);
+
+  for (size_t i = 0; i < cnt; i++) {
+    if (i > 0)
+      ar.delimit_array();
+    typename C::value_type e;
+    if (!::serialization::detail::serialize_container_element(ar, e))
+      return false;
+    ::serialization::detail::do_add(v, std::move(e));
+    if (!ar.good())
+      return false;
+  }
+  ar.end_array();
+  return true;
+}
+
+template <template <bool> class Archive, typename C>
+bool do_serialize_container(Archive<true> &ar, C &v)
+{
+  size_t cnt = v.size();
+  ar.begin_array(cnt);
+  for (auto i = v.begin(); i != v.end(); ++i)
+  {
+    if (!ar.good())
+      return false;
+    if (i != v.begin())
+      ar.delimit_array();
+    if(!::serialization::detail::serialize_container_element(ar, (typename C::value_type&)*i))
+      return false;
+    if (!ar.good())
+      return false;
+  }
+  ar.end_array();
+  return true;
+}
diff --git a/src/serialization/containers.h b/src/serialization/containers.h
new file mode 100644
index 0000000..dd2de82
--- /dev/null
+++ b/src/serialization/containers.h
@@ -0,0 +1,128 @@
+// Copyright (c) 2014-2022, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// 
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+#pragma once
+
+#include <vector>
+#include <deque>
+#include <unordered_map>
+#include <map>
+#include <unordered_set>
+#include <set>
+#include "serialization.h"
+
+template <template <bool> class Archive, class T> bool do_serialize(Archive<false> &ar, std::vector<T> &v);
+template <template <bool> class Archive, class T> bool do_serialize(Archive<true> &ar, std::vector<T> &v);
+
+template <template <bool> class Archive, class T> bool do_serialize(Archive<false> &ar, std::deque<T> &v);
+template <template <bool> class Archive, class T> bool do_serialize(Archive<true> &ar, std::deque<T> &v);
+
+template<typename K, typename V>
+class serializable_unordered_map: public std::unordered_map<K, V>
+{
+public:
+  typedef typename std::pair<K, V> value_type;
+  typename std::unordered_map<K, V> &parent() { return *this; }
+};
+
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<false> &ar, serializable_unordered_map<K, V> &v);
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<true> &ar, serializable_unordered_map<K, V> &v);
+
+template<typename K, typename V>
+class serializable_map: public std::map<K, V>
+{
+public:
+  typedef typename std::pair<K, V> value_type;
+  typename std::map<K, V> &parent() { return *this; }
+};
+
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<false> &ar, serializable_map<K, V> &v);
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<true> &ar, serializable_map<K, V> &v);
+
+template<typename K, typename V>
+class serializable_unordered_multimap: public std::unordered_multimap<K, V>
+{
+public:
+  typedef typename std::pair<K, V> value_type;
+  typename std::unordered_multimap<K, V> &parent() { return *this; }
+};
+
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<false> &ar, serializable_unordered_multimap<K, V> &v);
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<true> &ar, serializable_unordered_multimap<K, V> &v);
+
+template <template <bool> class Archive, class T> bool do_serialize(Archive<false> &ar, std::unordered_set<T> &v);
+template <template <bool> class Archive, class T> bool do_serialize(Archive<true> &ar, std::unordered_set<T> &v);
+
+template <template <bool> class Archive, class T> bool do_serialize(Archive<false> &ar, std::set<T> &v);
+template <template <bool> class Archive, class T> bool do_serialize(Archive<true> &ar, std::set<T> &v);
+
+namespace serialization
+{
+  namespace detail
+  {
+    template <typename T> void do_reserve(std::vector<T> &c, size_t N) { c.reserve(N); }
+    template <typename T> void do_add(std::vector<T> &c, T &&e) { c.emplace_back(std::forward<T>(e)); }
+
+    template <typename T> void do_add(std::deque<T> &c, T &&e) { c.emplace_back(std::forward<T>(e)); }
+
+    template <typename K, typename V> void do_add(serializable_unordered_map<K, V> &c, std::pair<K, V> &&e) { c.insert(std::forward<std::pair<K, V>>(e)); }
+
+    template <typename K, typename V> void do_add(serializable_map<K, V> &c, std::pair<K, V> &&e) { c.insert(std::forward<std::pair<K, V>>(e)); }
+
+    template <typename K, typename V> void do_add(serializable_unordered_multimap<K, V> &c, std::pair<K, V> &&e) { c.insert(std::forward<std::pair<K, V>>(e)); }
+
+    template <typename T> void do_add(std::unordered_set<T> &c, T &&e) { c.insert(std::forward<T>(e)); }
+
+    template <typename T> void do_add(std::set<T> &c, T &&e) { c.insert(std::forward<T>(e)); }
+  }
+}
+
+#include "container.h"
+
+template <template <bool> class Archive, class T> bool do_serialize(Archive<false> &ar, std::vector<T> &v) { return do_serialize_container(ar, v); }
+template <template <bool> class Archive, class T> bool do_serialize(Archive<true> &ar, std::vector<T> &v) { return do_serialize_container(ar, v); }
+
+template <template <bool> class Archive, class T> bool do_serialize(Archive<false> &ar, std::deque<T> &v) { return do_serialize_container(ar, v); }
+template <template <bool> class Archive, class T> bool do_serialize(Archive<true> &ar, std::deque<T> &v) { return do_serialize_container(ar, v); }
+
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<false> &ar, serializable_unordered_map<K, V> &v) { return do_serialize_container(ar, v); }
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<true> &ar, serializable_unordered_map<K, V> &v) { return do_serialize_container(ar, v); }
+
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<false> &ar, serializable_map<K, V> &v) { return do_serialize_container(ar, v); }
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<true> &ar, serializable_map<K, V> &v) { return do_serialize_container(ar, v); }
+
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<false> &ar, serializable_unordered_multimap<K, V> &v) { return do_serialize_container(ar, v); }
+template <template <bool> class Archive, typename K, typename V> bool do_serialize(Archive<true> &ar, serializable_unordered_multimap<K, V> &v) { return do_serialize_container(ar, v); }
+
+template <template <bool> class Archive, class T> bool do_serialize(Archive<false> &ar, std::unordered_set<T> &v) { return do_serialize_container(ar, v); }
+template <template <bool> class Archive, class T> bool do_serialize(Archive<true> &ar, std::unordered_set<T> &v) { return do_serialize_container(ar, v); }
+
+template <template <bool> class Archive, class T> bool do_serialize(Archive<false> &ar, std::set<T> &v) { return do_serialize_container(ar, v); }
+template <template <bool> class Archive, class T> bool do_serialize(Archive<true> &ar, std::set<T> &v) { return do_serialize_container(ar, v); }