// Copyright (c) 2012-2014, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin 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 3 of the License, or
// (at your option) any later version.
//
// Bytecoin 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 Bytecoin. If not, see .
#pragma once
#include "include_base_utils.h"
#include
#include
#include
#include
#include
#include "string_tools.h"
#include "syncobj.h"
#include "cryptonote_basic_impl.h"
#include "verification_context.h"
#include "crypto/hash.h"
namespace cryptonote {
class blockchain_storage;
/************************************************************************/
/* */
/************************************************************************/
class tx_memory_pool: boost::noncopyable {
public:
tx_memory_pool(blockchain_storage& bchs);
// load/store operations
bool init(const std::string& config_folder);
bool deinit();
bool have_tx(const crypto::hash &id) const;
bool add_tx(const transaction &tx, const crypto::hash &id, size_t blob_size, tx_verification_context& tvc, bool keeped_by_block);
bool add_tx(const transaction &tx, tx_verification_context& tvc, bool keeped_by_block);
//gets tx and remove it from pool
bool take_tx(const crypto::hash &id, transaction &tx, size_t& blob_size, uint64_t& fee);
bool on_blockchain_inc(uint64_t new_block_height, const crypto::hash& top_block_id);
bool on_blockchain_dec(uint64_t new_block_height, const crypto::hash& top_block_id);
void lock() const;
void unlock() const;
bool fill_block_template(block &bl, size_t median_size, uint64_t already_generated_coins, size_t &total_size, uint64_t &fee);
void get_transactions(std::list& txs) const;
size_t get_transactions_count() const;
std::string print_pool(bool short_format) const;
#define CURRENT_MEMPOOL_ARCHIVE_VER 7
template
void serialize(archive_t & a, const unsigned int version) {
if (version < CURRENT_MEMPOOL_ARCHIVE_VER) {
return;
}
CRITICAL_REGION_LOCAL(m_transactions_lock);
a & m_transactions;
a & m_spent_key_images;
}
struct tx_details {
transaction tx;
size_t blob_size;
uint64_t fee;
crypto::hash max_used_block_id;
uint64_t max_used_block_height;
bool kept_by_block;
//
uint64_t last_failed_height;
crypto::hash last_failed_id;
};
private:
bool have_tx_keyimg_as_spent(const crypto::key_image& key_im) const;
bool have_tx_keyimges_as_spent(const transaction& tx) const;
bool remove_transaction_keyimages(const transaction& tx);
static bool have_key_images(const std::unordered_set& kic, const transaction& tx);
static bool append_key_images(std::unordered_set& kic, const transaction& tx);
bool is_transaction_ready_to_go(tx_details& txd) const;
typedef std::unordered_map transactions_container;
typedef std::unordered_map > key_images_container;
mutable epee::critical_section m_transactions_lock;
transactions_container m_transactions;
key_images_container m_spent_key_images;
std::string m_config_folder;
blockchain_storage& m_blockchain;
/************************************************************************/
/* */
/************************************************************************/
class amount_visitor: public boost::static_visitor {
public:
uint64_t operator()(const txin_to_key& tx) const {
return tx.amount;
}
uint64_t operator()(const txin_gen& tx) const {
CHECK_AND_ASSERT_MES(false, false, "coinbase transaction in memory pool");
return 0;
}
uint64_t operator()(const txin_to_script& tx) const { return 0; }
uint64_t operator()(const txin_to_scripthash& tx) const { return 0; }
};
#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
friend class blockchain_storage;
#endif
};
}
namespace boost {
namespace serialization {
template
void serialize(archive_t & ar, cryptonote::tx_memory_pool::tx_details& td, const unsigned int version) {
ar & td.blob_size;
ar & td.fee;
ar & td.tx;
ar & td.max_used_block_height;
ar & td.max_used_block_id;
ar & td.last_failed_height;
ar & td.last_failed_id;
}
}
}
BOOST_CLASS_VERSION(cryptonote::tx_memory_pool, CURRENT_MEMPOOL_ARCHIVE_VER)