forked from lthn/blockchain
244 lines
9.5 KiB
C++
244 lines
9.5 KiB
C++
// Copyright (c) 2014-2018 Zano Project
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// Copyright (c) 2014-2018 The Louisdor Project
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// Copyright (c) 2012-2013 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#pragma once
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#include "include_base_utils.h"
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using namespace epee;
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#include <set>
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#include <unordered_map>
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#include <unordered_set>
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#include <boost/serialization/version.hpp>
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#include <boost/utility.hpp>
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#include "string_tools.h"
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#include "syncobj.h"
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#include "math_helper.h"
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#include "common/db_abstract_accessor.h"
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#include "currency_format_utils.h"
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#include "verification_context.h"
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#include "crypto/hash.h"
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#include "common/boost_serialization_helper.h"
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#include "currency_protocol/currency_protocol_handler_common.h"
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namespace currency
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{
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class blockchain_storage;
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/************************************************************************/
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/* */
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/************************************************************************/
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class tx_memory_pool: boost::noncopyable
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{
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public:
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struct tx_details
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{
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transaction tx;
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size_t blob_size;
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uint64_t fee;
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crypto::hash max_used_block_id;
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uint64_t max_used_block_height;
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bool kept_by_block;
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//
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uint64_t last_failed_height;
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crypto::hash last_failed_id;
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time_t receive_time;
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BEGIN_SERIALIZE_OBJECT()
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FIELD(tx)
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FIELD(blob_size)
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FIELD(fee)
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FIELD(max_used_block_id)
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FIELD(max_used_block_height)
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FIELD(kept_by_block)
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FIELD(last_failed_height)
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FIELD(last_failed_id)
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FIELD(receive_time)
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END_SERIALIZE()
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};
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struct performnce_data
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{
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//tx zone
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epee::math_helper::average<uint64_t, 5> tx_processing_time;
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epee::math_helper::average<uint64_t, 5> check_inputs_types_supported_time;
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epee::math_helper::average<uint64_t, 5> expiration_validate_time;
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epee::math_helper::average<uint64_t, 5> validate_amount_time;
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epee::math_helper::average<uint64_t, 5> validate_alias_time;
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epee::math_helper::average<uint64_t, 5> check_keyimages_ws_ms_time;
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epee::math_helper::average<uint64_t, 5> check_inputs_time;
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epee::math_helper::average<uint64_t, 5> begin_tx_time;
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epee::math_helper::average<uint64_t, 5> update_db_time;
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epee::math_helper::average<uint64_t, 5> db_commit_time;
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};
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tx_memory_pool(blockchain_storage& bchs, i_currency_protocol* pprotocol);
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bool add_tx(const transaction &tx, const crypto::hash &id, uint64_t blob_size, tx_verification_context& tvc, bool kept_by_block, bool from_core = false);
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bool add_tx(const transaction &tx, tx_verification_context& tvc, bool kept_by_block, bool from_core = false);
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bool do_insert_transaction(const transaction &tx, const crypto::hash &id, uint64_t blob_size, bool kept_by_block, uint64_t fee, const crypto::hash& max_used_block_id, uint64_t max_used_block_height);
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//gets tx and remove it from pool
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bool take_tx(const crypto::hash &id, transaction &tx, size_t& blob_size, uint64_t& fee);
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bool have_tx(const crypto::hash &id)const;
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bool have_tx_keyimg_as_spent(const crypto::key_image& key_im)const;
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bool have_tx_keyimges_as_spent(const transaction& tx)const;
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const performnce_data& get_performnce_data() const { return m_performance_data; }
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bool check_tx_multisig_ins_and_outs(const transaction& tx, bool check_against_pool_txs)const;
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bool on_blockchain_inc(uint64_t new_block_height, const crypto::hash& top_block_id);
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bool on_blockchain_dec(uint64_t new_block_height, const crypto::hash& top_block_id);
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bool on_finalize_db_transaction();
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bool add_transaction_to_black_list(const transaction& tx);
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bool force_relay_pool() const;
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bool set_protocol(i_currency_protocol* pprotocol);
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void on_idle();
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void lock();
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void unlock();
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void purge_transactions();
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void clear();
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// load/store operations
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bool init(const std::string& config_folder);
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bool deinit();
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bool fill_block_template(block &bl, bool pos, size_t median_size, uint64_t already_generated_coins, size_t &total_size, uint64_t &fee, uint64_t height);
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bool get_transactions(std::list<transaction>& txs) const;
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bool get_all_transactions_details(std::list<tx_rpc_extended_info>& txs)const;
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bool get_all_transactions_brief_details(std::list<tx_rpc_brief_info>& txs)const;
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bool get_all_transactions_list(std::list<std::string>& txs)const;
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bool get_transactions_details(const std::list<std::string>& ids, std::list<tx_rpc_extended_info>& txs)const;
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bool get_transactions_brief_details(const std::list<std::string>& ids, std::list<tx_rpc_brief_info>& txs)const;
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bool get_transaction_details(const crypto::hash& id, tx_rpc_extended_info& trei)const;
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bool get_transaction(const crypto::hash& h, transaction& tx)const;
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bool get_transaction(const crypto::hash& h, tx_details& txd)const;
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size_t get_transactions_count() const;
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bool have_key_images(const std::unordered_set<crypto::key_image>& kic, const transaction& tx)const;
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bool append_key_images(std::unordered_set<crypto::key_image>& kic, const transaction& tx);
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std::string print_pool(bool short_format)const;
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uint64_t get_core_time() const;
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bool get_aliases_from_tx_pool(std::list<extra_alias_entry>& aliases)const;
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bool get_aliases_from_tx_pool(std::map<std::string, size_t>& aliases)const;
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//crypto::hash get_last_core_hash() {return m_last_core_top_hash;}
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//void set_last_core_hash(const crypto::hash& h) { m_last_core_top_hash = h; }
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private:
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bool on_tx_add(const transaction& tx, bool kept_by_block);
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bool on_tx_remove(const transaction& tx, bool kept_by_block);
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bool insert_key_images(const transaction& tx, bool kept_by_block);
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bool remove_key_images(const transaction& tx, bool kept_by_block);
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bool insert_alias_info(const transaction& tx);
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bool remove_alias_info(const transaction& tx);
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bool is_valid_contract_finalization_tx(const transaction &tx)const;
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void initialize_db_solo_options_values();
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bool remove_stuck_transactions();
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bool is_transaction_ready_to_go(tx_details& txd, const crypto::hash& id)const;
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bool validate_alias_info(const transaction& tx, bool is_in_block)const;
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bool get_key_images_from_tx_pool(std::unordered_set<crypto::key_image>& key_images)const;
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//bool push_alias_info(const transaction& tx);
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//bool pop_alias_info(const transaction& tx);
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bool process_cancel_offer_rules(const transaction& tx);
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bool unprocess_cancel_offer_rules(const transaction& tx);
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bool check_is_taken(const crypto::hash& id) const;
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void set_taken(const crypto::hash& id);
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void reset_all_taken();
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typedef tools::db::cached_key_value_accessor<crypto::hash, tx_details, true, false> transactions_container;
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typedef tools::db::cached_key_value_accessor<crypto::hash, bool, false, false> hash_container;
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typedef tools::db::cached_key_value_accessor<crypto::key_image, uint64_t, false, false> key_images_container;
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typedef tools::db::cached_key_value_accessor<uint64_t, uint64_t, false, true> solo_options_container;
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typedef tools::db::cached_key_value_accessor<std::string, bool, false, false> aliases_container;
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typedef tools::db::cached_key_value_accessor<account_public_address, bool, false, false> address_to_aliases_container;
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//main accessor
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epee::shared_recursive_mutex m_dummy_rw_lock;
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tools::db::basic_db_accessor m_db;
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//containers
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transactions_container m_db_transactions;
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hash_container m_db_cancel_offer_hash;
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hash_container m_db_black_tx_list;
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key_images_container m_db_key_images_set;
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aliases_container m_db_alias_names;
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address_to_aliases_container m_db_alias_addresses;
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solo_options_container m_db_solo_options;
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tools::db::solo_db_value<uint64_t, uint64_t, solo_options_container> m_db_storage_major_compatibility_version;
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//crypto::hash m_last_core_top_hash;
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epee::math_helper::once_a_time_seconds<30> m_remove_stuck_tx_interval;
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performnce_data m_performance_data;
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std::string m_config_folder;
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blockchain_storage& m_blockchain;
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i_currency_protocol* m_pprotocol;
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//in memory containers
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mutable epee::critical_section m_taken_txs_lock;
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std::unordered_set<crypto::hash> m_taken_txs;
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mutable epee::critical_section m_remove_stuck_txs_lock;
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/************************************************************************/
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/* */
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/************************************************************************/
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class amount_visitor: public boost::static_visitor<uint64_t>
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{
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public:
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uint64_t operator()(const txin_to_key& tx) const
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{
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return tx.amount;
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}
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uint64_t operator()(const txin_gen& /*tx*/) const
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{
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CHECK_AND_ASSERT_MES(false, 0, "coinbase transaction in memory pool");
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return 0;
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}
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uint64_t operator()(const txin_multisig& in) const { return in.amount; }
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};
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};
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}
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namespace boost
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{
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namespace serialization
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{
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template<class archive_t>
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void serialize(archive_t & ar, currency::tx_memory_pool::tx_details& td, const unsigned int version)
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{
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ar & td.blob_size;
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ar & td.fee;
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ar & td.tx;
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ar & td.max_used_block_height;
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ar & td.max_used_block_id;
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ar & td.last_failed_height;
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ar & td.last_failed_id;
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ar & td.receive_time;
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ar & td.kept_by_block;
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}
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}
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}
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BOOST_CLASS_VERSION(currency::tx_memory_pool, CURRENT_MEMPOOL_ARCHIVE_VER)
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