2021-08-22 10:20:59 +00:00
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/*
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* This file is part of the Monero P2Pool <https://github.com/SChernykh/p2pool>
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2022-03-30 12:42:26 +00:00
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* Copyright (c) 2021-2022 SChernykh <https://github.com/SChernykh>
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2021-08-22 10:20:59 +00:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "uv_util.h"
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#include <map>
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#include <thread>
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2021-08-22 10:20:59 +00:00
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namespace p2pool {
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class p2pool;
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class P2PServer;
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struct DifficultyData;
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struct PoolBlock;
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class Wallet;
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struct MinerShare
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{
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FORCEINLINE MinerShare() : m_weight(0), m_wallet(nullptr) {}
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FORCEINLINE MinerShare(uint64_t w, const Wallet* x) : m_weight(w), m_wallet(x) {}
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uint64_t m_weight;
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const Wallet* m_wallet;
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};
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class SideChain : public nocopy_nomove
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{
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public:
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SideChain(p2pool* pool, NetworkType type, const char* pool_name = nullptr);
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~SideChain();
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2022-05-26 16:20:29 +00:00
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void fill_sidechain_data(PoolBlock& block, const Wallet* w, const hash& txkeySec, std::vector<MinerShare>& shares) const;
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bool block_seen(const PoolBlock& block);
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void unsee_block(const PoolBlock& block);
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bool add_external_block(PoolBlock& block, std::vector<hash>& missing_blocks);
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void add_block(const PoolBlock& block);
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void get_missing_blocks(std::vector<hash>& missing_blocks) const;
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PoolBlock* find_block(const hash& id) const;
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void watch_mainchain_block(const ChainMain& data, const hash& possible_id);
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2022-05-12 13:19:58 +00:00
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bool get_block_blob(const hash& id, std::vector<uint8_t>& blob) const;
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2022-08-15 09:16:00 +00:00
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bool get_outputs_blob(PoolBlock* block, uint64_t total_reward, std::vector<uint8_t>& blob, uv_loop_t* loop) const;
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2022-08-23 12:13:09 +00:00
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void print_status(bool obtain_sidechain_lock = true) const;
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2022-05-28 20:27:46 +00:00
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double get_reward_share(const Wallet& w) const;
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// Consensus ID can be used to spawn independent P2Pools with their own sidechains
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// It's never sent over the network to avoid revealing it to the possible man in the middle
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// Consensus ID can therefore be used as a password to create private P2Pools
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const std::vector<uint8_t>& consensus_id() const { return m_consensusId; }
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uint64_t chain_window_size() const { return m_chainWindowSize; }
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NetworkType network_type() const { return m_networkType; }
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FORCEINLINE difficulty_type difficulty() const { ReadLock lock(m_curDifficultyLock); return m_curDifficulty; }
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difficulty_type total_hashes() const;
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uint64_t block_time() const { return m_targetBlockTime; }
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uint64_t miner_count();
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uint64_t last_updated() const;
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bool is_default() const;
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bool is_mini() const;
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const PoolBlock* chainTip() const { return m_chainTip; }
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static bool split_reward(uint64_t reward, const std::vector<MinerShare>& shares, std::vector<uint64_t>& rewards);
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private:
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p2pool* m_pool;
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P2PServer* p2pServer() const;
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NetworkType m_networkType;
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private:
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bool get_shares(const PoolBlock* tip, std::vector<MinerShare>& shares) const;
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bool get_difficulty(const PoolBlock* tip, std::vector<DifficultyData>& difficultyData, difficulty_type& curDifficulty) const;
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bool get_wallets(const PoolBlock* tip, std::vector<const Wallet*>& wallets) const;
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void verify_loop(PoolBlock* block);
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void verify(PoolBlock* block);
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void update_chain_tip(const PoolBlock* block);
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PoolBlock* get_parent(const PoolBlock* block) const;
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// Checks if "candidate" has longer (higher difficulty) chain than "block"
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bool is_longer_chain(const PoolBlock* block, const PoolBlock* candidate, bool& is_alternative);
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void update_depths(PoolBlock* block);
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void prune_old_blocks();
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bool load_config(const std::string& filename);
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bool check_config();
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mutable uv_rwlock_t m_sidechainLock;
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std::atomic<PoolBlock*> m_chainTip;
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std::map<uint64_t, std::vector<PoolBlock*>> m_blocksByHeight;
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unordered_map<hash, PoolBlock*> m_blocksById;
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uv_mutex_t m_seenWalletsLock;
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unordered_map<hash, uint64_t> m_seenWallets;
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uint64_t m_seenWalletsLastPruneTime;
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uv_mutex_t m_seenBlocksLock;
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unordered_set<hash> m_seenBlocks;
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std::vector<DifficultyData> m_difficultyData;
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std::string m_poolName;
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std::string m_poolPassword;
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uint64_t m_targetBlockTime;
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difficulty_type m_minDifficulty;
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uint64_t m_chainWindowSize;
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uint64_t m_unclePenalty;
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std::vector<uint8_t> m_consensusId;
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std::string m_consensusIdDisplayStr;
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mutable uv_rwlock_t m_curDifficultyLock;
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difficulty_type m_curDifficulty;
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ChainMain m_watchBlock;
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hash m_watchBlockSidechainId;
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struct PrecalcJob
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{
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const PoolBlock* b;
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std::vector<const Wallet*> wallets;
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};
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uv_cond_t m_precalcJobsCond;
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uv_mutex_t m_precalcJobsMutex;
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std::vector<PrecalcJob*> m_precalcJobs;
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std::vector<std::thread> m_precalcWorkers;
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unordered_set<size_t>* m_uniquePrecalcInputs;
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std::atomic<bool> m_precalcFinished;
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void launch_precalc(const PoolBlock* block);
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void precalc_worker();
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void finish_precalc();
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};
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} // namespace p2pool
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