initial commit

catchain/catchain-received-block.hpp

@@ -0,0 +1,179 @@
+/*
+    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 "catchain/catchain-received-block.h"
+
+namespace ton {
+
+namespace catchain {
+
+class CatChainReceiver;
+class CatChainReceiverSource;
+class CatChainReceiverFork;
+
+class CatChainReceivedBlockImpl : public CatChainReceivedBlock {
+ public:
+  const td::SharedSlice &get_payload() const override {
+    return payload_;
+  }
+  CatChainBlockHash get_hash() const override {
+    return hash_;
+  }
+  const td::SharedSlice &get_signature() const override {
+    return signature_;
+  }
+
+  CatChainBlockHeight get_height() const override {
+    return height_;
+  }
+  CatChainReceivedBlock *get_prev() const override;
+  CatChainBlockHash get_prev_hash() const override;
+
+  const std::vector<CatChainBlockHeight> &get_deps() const override {
+    return deps_;
+  }
+
+  std::vector<CatChainBlockHash> get_dep_hashes() const override;
+
+  CatChainReceiver *get_chain() const override {
+    return chain_;
+  }
+
+  td::uint32 get_fork_id() const override {
+    return fork_id_;
+  }
+
+  td::uint32 get_source_id() const override {
+    return source_id_;
+  }
+
+  tl_object_ptr<ton_api::catchain_block> export_tl() const override;
+  tl_object_ptr<ton_api::catchain_block_dep> export_tl_dep() const override;
+
+  void find_pending_deps(std::vector<CatChainBlockHash> &vec, td::uint32 max_size) const override;
+
+ public:
+  bool initialized() const override {
+    return state_ >= bs_initialized;
+  }
+  bool delivered() const override {
+    return state_ >= bs_delivered;
+  }
+  bool is_ill() const override {
+    return state_ == bs_ill;
+  }
+  bool is_custom() const override {
+    return is_custom_;
+  }
+  bool in_db() const override {
+    return in_db_;
+  }
+
+ public:
+  void initialize(tl_object_ptr<ton_api::catchain_block> block, td::SharedSlice payload) override;
+
+  void run() override;
+  void pre_deliver(ton_api::catchain_block_data_fork &b);
+  void pre_deliver(ton_api::catchain_block_data_badBlock &b);
+  void pre_deliver(ton_api::catchain_block_data_nop &b);
+  template <class T>
+  void pre_deliver(T &b) {
+    // do nothing, it is custom block
+    is_custom_ = true;
+  }
+  void pre_deliver();
+  void deliver();
+
+  void dep_delivered(CatChainReceivedBlockImpl *block);
+  void dep_ill(CatChainReceivedBlockImpl *block);
+
+  void set_ill() override;
+  void schedule();
+
+  void written() override;
+
+ public:
+  CatChainReceivedBlockImpl(tl_object_ptr<ton_api::catchain_block> block, td::SharedSlice payload,
+                            CatChainReceiver *chain);
+  CatChainReceivedBlockImpl(tl_object_ptr<ton_api::catchain_block_dep> block, CatChainReceiver *chain);
+
+  CatChainReceivedBlockImpl(td::uint32 source_id, CatChainSessionId hash, CatChainReceiver *chain);
+
+ private:
+  enum State {
+    bs_none,
+    bs_ill,
+    bs_initialized,
+    bs_delivered,
+  } state_ = bs_none;
+
+  void update_deps(CatChainReceivedBlockImpl *block);
+
+  void add_rev_dep(CatChainReceivedBlockImpl *block);
+  void add_child_dep(CatChainReceivedBlockImpl *block);
+
+  void initialize_fork();
+  void on_ready_to_deliver();
+
+  td::uint32 fork_id_{0};
+  td::uint32 source_id_;
+  CatChainReceiver *chain_;
+
+  tl_object_ptr<ton_api::catchain_block_inner_Data> data_;
+  td::SharedSlice payload_;
+
+  CatChainBlockHash hash_;
+  CatChainBlockPayloadHash data_hash_;
+
+  CatChainReceivedBlockImpl *prev_;
+  CatChainBlockHeight height_;
+
+  CatChainReceivedBlockImpl *next_ = nullptr;
+
+  std::vector<CatChainReceivedBlockImpl *> block_deps_;
+  std::vector<CatChainBlockHeight> deps_;
+
+  td::SharedSlice signature_;
+
+  std::vector<CatChainReceivedBlockImpl *> rev_deps_;
+
+  td::uint32 pending_deps_ = 0;
+
+  bool is_custom_ = false;
+  bool in_db_ = false;
+};
+
+}  // namespace catchain
+
+}  // namespace ton
+
+namespace td {
+
+inline td::StringBuilder &operator<<(td::StringBuilder &sb, const ton::catchain::CatChainReceivedBlockImpl &block) {
+  sb << "[block " << block.get_chain()->get_incarnation() << " " << block.get_source_id() << " " << block.get_fork_id()
+     << " " << block.get_hash() << "]";
+  return sb;
+}
+inline td::StringBuilder &operator<<(td::StringBuilder &sb, const ton::catchain::CatChainReceivedBlockImpl *block) {
+  sb << *block;
+  return sb;
+}
+
+}  // namespace td