Merge pull request #41 from fluffypony/master

proper tx_pool handling from CryptoZoidberg / BBR
This commit is contained in:
monero-project 2014-06-15 14:01:00 -04:00
commit 88fe57fd8b
4 changed files with 36 additions and 1 deletions

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@ -51,6 +51,8 @@
#define BLOCKS_SYNCHRONIZING_DEFAULT_COUNT 200 //by default, blocks count in blocks downloading
#define CRYPTONOTE_PROTOCOL_HOP_RELAX_COUNT 3 //value of hop, after which we use only announce of new block
#define CRYPTONOTE_MEMPOOL_TX_LIVETIME 86400 //seconds, one day
#define CRYPTONOTE_MEMPOOL_TX_FROM_ALT_BLOCK_LIVETIME 604800 //seconds, one week
#define P2P_DEFAULT_PORT 18080
#define RPC_DEFAULT_PORT 18081

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@ -526,6 +526,7 @@ namespace cryptonote
m_store_blockchain_interval.do_call(boost::bind(&blockchain_storage::store_blockchain, &m_blockchain_storage));
m_miner.on_idle();
m_mempool.on_idle();
return true;
}
//-----------------------------------------------------------------------------------------------

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@ -83,6 +83,7 @@ namespace cryptonote
txd_p.first->second.max_used_block_id = null_hash;
txd_p.first->second.max_used_block_height = 0;
txd_p.first->second.kept_by_block = kept_by_block;
txd_p.first->second.receive_time = time(nullptr);
tvc.m_verifivation_impossible = true;
tvc.m_added_to_pool = true;
}else
@ -104,6 +105,7 @@ namespace cryptonote
txd_p.first->second.max_used_block_height = max_used_block_height;
txd_p.first->second.last_failed_height = 0;
txd_p.first->second.last_failed_id = null_hash;
txd_p.first->second.receive_time = time(nullptr);
tvc.m_added_to_pool = true;
if(txd_p.first->second.fee > 0)
@ -178,6 +180,30 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------------------------
void tx_memory_pool::on_idle()
{
m_remove_stuck_tx_interval.do_call([this](){return remove_stuck_transactions();});
}
//---------------------------------------------------------------------------------
//proper tx_pool handling courtesy of CryptoZoidberg and Boolberry
bool tx_memory_pool::remove_stuck_transactions()
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
for(auto it = m_transactions.begin(); it!= m_transactions.end();)
{
uint64_t tx_age = time(nullptr) - it->second.receive_time;
if((tx_age > CRYPTONOTE_MEMPOOL_TX_LIVETIME && !it->second.kept_by_block) ||
(tx_age > CRYPTONOTE_MEMPOOL_TX_FROM_ALT_BLOCK_LIVETIME && it->second.kept_by_block) )
{
LOG_PRINT_L0("Tx " << it->first << " removed from tx pool due to outdated, age: " << tx_age );
m_transactions.erase(it++);
}else
++it;
}
return true;
}
//---------------------------------------------------------------------------------
size_t tx_memory_pool::get_transactions_count()
{
CRITICAL_REGION_LOCAL(m_transactions_lock);

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@ -13,6 +13,7 @@
#include "string_tools.h"
#include "syncobj.h"
#include "math_helper.h"
#include "cryptonote_basic_impl.h"
#include "verification_context.h"
#include "crypto/hash.h"
@ -40,6 +41,7 @@ namespace cryptonote
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 on_idle();
void lock();
void unlock();
@ -59,7 +61,7 @@ namespace cryptonote
/*bool flush_pool(const std::strig& folder);
bool inflate_pool(const std::strig& folder);*/
#define CURRENT_MEMPOOL_ARCHIVE_VER 7
#define CURRENT_MEMPOOL_ARCHIVE_VER 8
template<class archive_t>
void serialize(archive_t & a, const unsigned int version)
@ -82,9 +84,11 @@ namespace cryptonote
//
uint64_t last_failed_height;
crypto::hash last_failed_id;
time_t receive_time;
};
private:
bool remove_stuck_transactions();
bool is_transaction_ready_to_go(tx_details& txd);
typedef std::unordered_map<crypto::hash, tx_details > transactions_container;
typedef std::unordered_map<crypto::key_image, std::unordered_set<crypto::hash> > key_images_container;
@ -92,6 +96,7 @@ namespace cryptonote
epee::critical_section m_transactions_lock;
transactions_container m_transactions;
key_images_container m_spent_key_images;
epee::math_helper::once_a_time_seconds<30> m_remove_stuck_tx_interval;
//transactions_container m_alternative_transactions;
@ -159,6 +164,7 @@ namespace boost
ar & td.max_used_block_id;
ar & td.last_failed_height;
ar & td.last_failed_id;
ar & td.receive_time;
}
}