88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
#pragma once
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#include <nano/secure/blockstore.hpp>
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#include <nano/secure/common.hpp>
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#include <nano/secure/ledger.hpp>
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#include <atomic>
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#include <chrono>
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#include <memory>
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#include <unordered_set>
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namespace nano
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{
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class channel;
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class node;
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enum class election_status_type : uint8_t
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{
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ongoing = 0,
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active_confirmed_quorum = 1,
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active_confirmation_height = 2,
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inactive_confirmation_height = 3,
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stopped = 5
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};
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class election_status final
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{
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public:
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std::shared_ptr<nano::block> winner;
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nano::amount tally;
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std::chrono::milliseconds election_end;
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std::chrono::milliseconds election_duration;
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unsigned confirmation_request_count;
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unsigned block_count;
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unsigned voter_count;
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election_status_type type;
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};
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class vote_info final
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{
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public:
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std::chrono::steady_clock::time_point time;
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uint64_t sequence;
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nano::block_hash hash;
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};
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class election_vote_result final
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{
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public:
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election_vote_result () = default;
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election_vote_result (bool, bool);
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bool replay{ false };
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bool processed{ false };
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};
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class election final : public std::enable_shared_from_this<nano::election>
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{
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std::function<void(std::shared_ptr<nano::block>)> confirmation_action;
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std::atomic<bool> confirmed_m;
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public:
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election (nano::node &, std::shared_ptr<nano::block>, bool const, std::function<void(std::shared_ptr<nano::block>)> const &);
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nano::election_vote_result vote (nano::account, uint64_t, nano::block_hash);
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nano::tally_t tally ();
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// Check if we have vote quorum
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bool have_quorum (nano::tally_t const &, nano::uint128_t) const;
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void confirm_once (nano::election_status_type = nano::election_status_type::active_confirmed_quorum);
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// Confirm this block if quorum is met
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void confirm_if_quorum ();
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void log_votes (nano::tally_t const &) const;
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bool publish (std::shared_ptr<nano::block> block_a);
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size_t last_votes_size ();
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void update_dependent ();
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void clear_dependent ();
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void clear_blocks ();
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void insert_inactive_votes_cache (nano::block_hash const &);
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void stop ();
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bool confirmed ();
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nano::node & node;
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std::unordered_map<nano::account, nano::vote_info> last_votes;
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std::unordered_map<nano::block_hash, std::shared_ptr<nano::block>> blocks;
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std::chrono::steady_clock::time_point election_start;
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nano::election_status status;
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bool skip_delay;
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bool stopped;
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std::unordered_map<nano::block_hash, nano::uint128_t> last_tally;
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unsigned confirmation_request_count{ 0 };
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std::chrono::steady_clock::time_point last_broadcast;
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std::chrono::steady_clock::time_point last_request;
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std::unordered_set<nano::block_hash> dependent_blocks;
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std::chrono::seconds late_blocks_delay{ 5 };
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};
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}
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