liteserver: bugfix

liteserver/liteclient: fixed bug in proof
validator: added stats
smartcontracts: updates

validator/stats-merger.h

@@ -0,0 +1,74 @@
+#pragma once
+
+#include "td/utils/int_types.h"
+#include "td/actor/actor.h"
+
+namespace ton {
+
+namespace validator {
+
+class StatsMerger : public td::actor::Actor {
+ public:
+  StatsMerger(td::Promise<std::vector<std::pair<std::string, std::string>>> promise)
+
+      : promise_(std::move(promise)) {
+  }
+  void start_up() override {
+    if (!pending_) {
+      finish();
+    }
+  }
+
+  void finish_subjob(td::Result<std::vector<std::pair<std::string, std::string>>> R, std::string prefix) {
+    if (R.is_ok()) {
+      auto v = R.move_as_ok();
+      for (auto &el : v) {
+        cur_.emplace_back(prefix + el.first, std::move(el.second));
+      }
+    }
+    if (--pending_ == 0) {
+      finish();
+    }
+  }
+  void inc() {
+    ++pending_;
+  }
+  void dec() {
+    if (--pending_ == 0) {
+      finish();
+    }
+  }
+  void finish() {
+    promise_.set_value(std::move(cur_));
+    stop();
+  }
+
+  struct InitGuard {
+    td::actor::ActorId<StatsMerger> merger;
+    ~InitGuard() {
+      td::actor::send_closure(merger, &StatsMerger::dec);
+    }
+    auto make_promise(std::string prefix) {
+      merger.get_actor_unsafe().inc();
+      return td::PromiseCreator::lambda(
+          [merger = merger, prefix](td::Result<std::vector<std::pair<std::string, std::string>>> R) {
+            td::actor::send_closure(merger, &StatsMerger::finish_subjob, std::move(R), std::move(prefix));
+          });
+    }
+  };
+
+  static InitGuard create(td::Promise<std::vector<std::pair<std::string, std::string>>> promise) {
+    InitGuard ig;
+    ig.merger = td::actor::create_actor<StatsMerger>("m", std::move(promise)).release();
+    return ig;
+  }
+
+ private:
+  std::vector<std::pair<std::string, std::string>> cur_;
+  std::atomic<td::uint32> pending_{1};
+  td::Promise<std::vector<std::pair<std::string, std::string>>> promise_;
+};
+
+}  // namespace validator
+
+}  // namespace ton