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validator/impl/validator-set.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 "validator/interfaces/validator-set.h"
+#include "validator/interfaces/signature-set.h"
+#include "ton/ton-types.h"
+#include "keys/encryptor.h"
+#include "block/mc-config.h"
+
+#include <map>
+
+namespace ton {
+
+namespace validator {
+
+class ValidatorSetQ : public ValidatorSet {
+ public:
+  bool is_validator(NodeIdShort id) const override;
+  CatchainSeqno get_catchain_seqno() const override {
+    return cc_seqno_;
+  }
+  td::uint32 get_validator_set_hash() const override {
+    return hash_;
+  }
+  ShardId get_validator_set_from() const override {
+    return for_.shard;
+  }
+  ValidatorWeight get_total_weight() const {
+    return total_weight_;
+  }
+  std::vector<ValidatorDescr> export_vector() const override;
+  td::Result<ValidatorWeight> check_signatures(RootHash root_hash, FileHash file_hash,
+                                               td::Ref<BlockSignatureSet> signatures) const override;
+  td::Result<ValidatorWeight> check_approve_signatures(RootHash root_hash, FileHash file_hash,
+                                                       td::Ref<BlockSignatureSet> signatures) const override;
+
+  ValidatorSetQ* make_copy() const override;
+
+  ValidatorSetQ(CatchainSeqno cc_seqno, ShardIdFull from, std::vector<ValidatorDescr> nodes);
+
+ private:
+  CatchainSeqno cc_seqno_;
+  ShardIdFull for_;
+  td::uint32 hash_;
+  ValidatorWeight total_weight_;
+  std::vector<ValidatorDescr> ids_;
+  std::vector<std::pair<NodeIdShort, size_t>> ids_map_;
+
+  const ValidatorDescr* find_validator(const NodeIdShort& id) const;
+};
+
+class ValidatorSetCompute {
+ public:
+  td::Ref<ValidatorSet> get_validator_set(ShardIdFull shard, UnixTime utime, CatchainSeqno cc) const;
+  td::Ref<ValidatorSet> get_next_validator_set(ShardIdFull shard, UnixTime utime, CatchainSeqno cc) const;
+  td::Status init(const block::Config* config);
+  ValidatorSetCompute() = default;
+
+ private:
+  const block::Config* config_{nullptr};
+  std::unique_ptr<block::ValidatorSet> cur_validators_, next_validators_;
+  td::Ref<ValidatorSet> compute_validator_set(ShardIdFull shard, const block::ValidatorSet& vset, UnixTime time,
+                                              CatchainSeqno seqno) const;
+};
+
+}  // namespace validator
+
+}  // namespace ton