celldb in-memory mode, stats for actors, perf counters, minor fix in rldp2 (#1164)

* getactorstats query for validator-engine-console

* celldb in-memory mode (--celldb-in-memory option)

* rldp2: bugfix - do not estimate speed while nothing is sent

* add simple ed25519 benchmark

* fix compilation errors of different platforms and move to c++20

* fix some warnings

* turn on TON_USE_ABSEIL for glibc 2.27 nix build

---------

Co-authored-by: birydrad <>

crypto/common/bigint.hpp

@@ -2294,11 +2294,11 @@ std::string AnyIntView<Tr>::to_dec_string_destroy_any() {
     stack.push_back(divmod_short_any(Tr::max_pow10));
   } while (sgn());
   char slice[word_bits * 97879 / 325147 + 2];
-  std::sprintf(slice, "%lld", stack.back());
+  std::snprintf(slice, sizeof(slice), "%lld", stack.back());
   s += slice;
   stack.pop_back();
   while (stack.size()) {
-    std::sprintf(slice, "%018lld", stack.back());
+    std::snprintf(slice, sizeof(slice), "%018lld", stack.back());
     s += slice;
     stack.pop_back();
   }

crypto/common/refcnt.cpp

@@ -29,6 +29,7 @@ Ref<CntObject> CntObject::clone() const {
 namespace detail {
 struct SafeDeleter {
  public:
+  thread_local static td::int64 delete_count;
   void retire(const CntObject *ptr) {
     if (is_active_) {
       to_delete_.push_back(ptr);
@@ -39,9 +40,11 @@ struct SafeDeleter {
       is_active_ = false;
     };
     delete ptr;
+    delete_count++;
     while (!to_delete_.empty()) {
       auto *ptr = to_delete_.back();
       to_delete_.pop_back();
+      delete_count++;
       delete ptr;
     }
   }
@@ -50,6 +53,7 @@ struct SafeDeleter {
   std::vector<const CntObject *> to_delete_;
   bool is_active_{false};
 };
+thread_local td::int64 SafeDeleter::delete_count{0};
 
 TD_THREAD_LOCAL SafeDeleter *deleter;
 void safe_delete(const CntObject *ptr) {
@@ -57,4 +61,7 @@ void safe_delete(const CntObject *ptr) {
   deleter->retire(ptr);
 }
 }  // namespace detail
+int64 ref_get_delete_count() {
+  return detail::SafeDeleter::delete_count;
+}
 }  // namespace td

crypto/common/refcnt.hpp

@@ -472,5 +472,6 @@ template <class T>
 void swap(Ref<T>& r1, Ref<T>& r2) {
   r1.swap(r2);
 }
+int64 ref_get_delete_count();
 
 }  // namespace td