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validator/db/ltdb.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 "td/actor/actor.h"
+#include "td/db/KeyValueAsync.h"
+
+#include "ton/ton-types.h"
+
+#include "auto/tl/ton_api.h"
+
+namespace ton {
+
+namespace validator {
+
+class RootDb;
+
+class LtDb : public td::actor::Actor {
+ public:
+  void add_new_block(BlockIdExt block_id, LogicalTime lt, UnixTime ts, td::Promise<td::Unit> promise);
+  void get_block_common(AccountIdPrefixFull account_id,
+                        std::function<td::int32(ton_api::db_lt_desc_value &)> compare_desc,
+                        std::function<td::int32(ton_api::db_lt_el_value &)> compare, bool exact,
+                        td::Promise<BlockIdExt> promise);
+  void get_block_by_lt(AccountIdPrefixFull account_id, LogicalTime lt, td::Promise<BlockIdExt> promise);
+  void get_block_by_unix_time(AccountIdPrefixFull account_id, UnixTime ts, td::Promise<BlockIdExt> promise);
+  void get_block_by_seqno(AccountIdPrefixFull account_id, BlockSeqno seqno, td::Promise<BlockIdExt> promise);
+
+  void start_up() override;
+
+  LtDb(td::actor::ActorId<RootDb> root_db, std::string db_path) : root_db_(root_db), db_path_(std::move(db_path)) {
+  }
+
+ private:
+  td::BufferSlice get_desc_key(ShardIdFull shard);
+  td::BufferSlice get_el_key(ShardIdFull shard, td::uint32 idx);
+  td::BufferSlice get_from_db(ShardIdFull shard, td::uint32 idx);
+
+  std::shared_ptr<td::KeyValue> kv_;
+
+  td::actor::ActorId<RootDb> root_db_;
+  std::string db_path_;
+};
+
+}  // namespace validator
+
+}  // namespace ton