2014-07-23 16:03:52 +03:00
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// Copyright (c) 2014, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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2014-03-04 00:07:58 +02:00
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#pragma once
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#include "include_base_utils.h"
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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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2014-06-15 10:48:13 +03:00
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#include "math_helper.h"
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2014-03-04 00:07:58 +02:00
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#include "cryptonote_basic_impl.h"
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#include "verification_context.h"
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#include "crypto/hash.h"
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namespace cryptonote
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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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tx_memory_pool(blockchain_storage& bchs);
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bool add_tx(const transaction &tx, const crypto::hash &id, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block);
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bool add_tx(const transaction &tx, tx_verification_context& tvc, bool keeped_by_block);
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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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2014-07-17 17:31:44 +03:00
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bool have_tx(const crypto::hash &id) const;
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2014-03-04 00:07:58 +02:00
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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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2014-06-15 10:48:13 +03:00
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void on_idle();
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2014-03-04 00:07:58 +02:00
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2014-07-17 17:31:44 +03:00
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void lock() const;
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void unlock() const;
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2014-03-04 00:07:58 +02:00
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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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2014-04-02 19:00:17 +03:00
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bool fill_block_template(block &bl, size_t median_size, uint64_t already_generated_coins, size_t &total_size, uint64_t &fee);
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2014-07-17 17:31:44 +03:00
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void get_transactions(std::list<transaction>& txs) const;
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bool get_transaction(const crypto::hash& h, transaction& tx) const;
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size_t get_transactions_count() const;
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std::string print_pool(bool short_format) const;
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2014-03-04 00:07:58 +02:00
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/*bool flush_pool(const std::strig& folder);
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bool inflate_pool(const std::strig& folder);*/
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2014-06-15 10:48:13 +03:00
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#define CURRENT_MEMPOOL_ARCHIVE_VER 8
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2014-03-04 00:07:58 +02:00
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template<class archive_t>
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void serialize(archive_t & a, const unsigned int version)
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{
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if(version < CURRENT_MEMPOOL_ARCHIVE_VER )
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return;
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CRITICAL_REGION_LOCAL(m_transactions_lock);
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a & m_transactions;
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a & m_spent_key_images;
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}
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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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2014-06-15 10:48:13 +03:00
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time_t receive_time;
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2014-03-04 00:07:58 +02:00
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};
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private:
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2014-06-15 10:48:13 +03:00
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bool remove_stuck_transactions();
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2014-07-17 17:31:44 +03:00
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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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2014-07-17 17:27:37 +03:00
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bool remove_transaction_keyimages(const transaction& tx);
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2014-07-17 17:47:17 +03:00
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static bool have_key_images(const std::unordered_set<crypto::key_image>& kic, const transaction& tx);
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static bool append_key_images(std::unordered_set<crypto::key_image>& kic, const transaction& tx);
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2014-07-17 17:27:37 +03:00
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2014-07-17 17:31:44 +03:00
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bool is_transaction_ready_to_go(tx_details& txd) const;
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2014-03-04 00:07:58 +02:00
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typedef std::unordered_map<crypto::hash, tx_details > transactions_container;
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typedef std::unordered_map<crypto::key_image, std::unordered_set<crypto::hash> > key_images_container;
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2014-07-17 17:31:44 +03:00
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mutable epee::critical_section m_transactions_lock;
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2014-03-04 00:07:58 +02:00
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transactions_container m_transactions;
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key_images_container m_spent_key_images;
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2014-06-15 10:48:13 +03:00
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epee::math_helper::once_a_time_seconds<30> m_remove_stuck_tx_interval;
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2014-03-04 00:07:58 +02:00
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//transactions_container m_alternative_transactions;
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std::string m_config_folder;
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blockchain_storage& m_blockchain;
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/************************************************************************/
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/* */
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/************************************************************************/
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/*class inputs_visitor: public boost::static_visitor<bool>
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{
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key_images_container& m_spent_keys;
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public:
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inputs_visitor(key_images_container& spent_keys): m_spent_keys(spent_keys)
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{}
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bool operator()(const txin_to_key& tx) const
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{
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auto pr = m_spent_keys.insert(tx.k_image);
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CHECK_AND_ASSERT_MES(pr.second, false, "Tried to insert transaction with input seems already spent, input: " << epee::string_tools::pod_to_hex(tx.k_image));
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return true;
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}
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bool operator()(const txin_gen& tx) const
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{
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CHECK_AND_ASSERT_MES(false, false, "coinbase transaction in memory pool");
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return false;
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}
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bool operator()(const txin_to_script& tx) const {return false;}
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bool operator()(const txin_to_scripthash& tx) const {return false;}
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}; */
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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, false, "coinbase transaction in memory pool");
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return 0;
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}
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uint64_t operator()(const txin_to_script& tx) const {return 0;}
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uint64_t operator()(const txin_to_scripthash& tx) const {return 0;}
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};
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2014-05-03 19:19:43 +03:00
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#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
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friend class blockchain_storage;
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#endif
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2014-03-04 00:07:58 +02:00
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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, cryptonote::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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2014-06-15 10:48:13 +03:00
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ar & td.receive_time;
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2014-03-04 00:07:58 +02:00
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}
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}
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}
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BOOST_CLASS_VERSION(cryptonote::tx_memory_pool, CURRENT_MEMPOOL_ARCHIVE_VER)
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