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validator/state-serializer.hpp

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+/*
+    This file is part of TON Blockchain Library.
+
+    TON Blockchain Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    TON Blockchain Library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2017-2019 Telegram Systems LLP
+*/
+#pragma once
+
+#include "interfaces/validator-manager.h"
+#include "interfaces/shard.h"
+
+#include <map>
+
+namespace ton {
+
+namespace validator {
+
+class AsyncStateSerializer : public td::actor::Actor {
+ private:
+  td::uint32 attempt_ = 0;
+  bool running_ = false;
+  BlockIdExt last_block_id_;
+  BlockIdExt last_key_block_id_;
+  UnixTime last_key_block_ts_ = 0;
+  bool saved_to_db_ = true;
+
+  td::Ref<ValidatorManagerOptions> opts_;
+
+  td::actor::ActorId<ValidatorManager> manager_;
+
+  td::uint32 next_idx_ = 0;
+
+  BlockHandle masterchain_handle_;
+  td::Ref<MasterchainState> masterchain_state_;
+
+  std::vector<BlockIdExt> shards_;
+
+ public:
+  AsyncStateSerializer(BlockIdExt block_id, td::Ref<ValidatorManagerOptions> opts,
+                       td::actor::ActorId<ValidatorManager> manager)
+      : last_block_id_(block_id), opts_(std::move(opts)), manager_(manager) {
+  }
+
+  static constexpr td::uint32 max_attempt() {
+    return 128;
+  }
+
+  bool need_serialize(BlockHandle handle);
+  bool need_monitor(ShardIdFull shard);
+
+  void alarm() override;
+  void start_up() override;
+  void got_self_state(AsyncSerializerState state);
+  void got_init_handle(BlockHandle handle);
+
+  void next_iteration();
+  void got_top_masterchain_handle(BlockIdExt block_id);
+  void got_masterchain_handle(BlockHandle handle_);
+  void got_masterchain_state(td::Ref<MasterchainState> state);
+  void stored_masterchain_state();
+  void got_shard_handle(BlockHandle handle);
+  void got_shard_state(BlockHandle handle, td::Ref<ShardState> state);
+
+  void get_masterchain_seqno(td::Promise<BlockSeqno> promise) {
+    promise.set_result(last_block_id_.id.seqno);
+  }
+
+  void saved_to_db() {
+    saved_to_db_ = true;
+    running_ = false;
+    next_iteration();
+  }
+
+  void fail_handler(td::Status reason);
+  void fail_handler_cont();
+  void success_handler();
+};
+
+}  // namespace validator
+
+}  // namespace ton