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Merge pull request #64 from mikezackles/bytecoin_tx_pool_tmp

Browse source 
tx pool fixes, courtesy of Bytecoin
This commit is contained in:
Riccardo Spagni 2014-08-01 17:31:15 +02:00
parent 7869667799 61e447f7c8
commit d1b0ee7ecd
3 changed files with 82 additions and 95 deletions
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3
src/cryptonote_core/cryptonote_core.cpp
View file

@ -477,7 +477,8 @@ namespace cryptonote
//-----------------------------------------------------------------------------------------------
bool core::get_pool_transactions(std::list<transaction>& txs)
{
return m_mempool.get_transactions(txs);
m_mempool.get_transactions(txs);
return true;
}
//-----------------------------------------------------------------------------------------------
bool core::get_short_chain_history(std::list<crypto::hash>& ids)

144
src/cryptonote_core/tx_pool.cpp
View file

@ -48,6 +48,11 @@ DISABLE_VS_WARNINGS(4244 4345 4503) //'boost::foreach_detail_::or_' : decorated
namespace cryptonote
{
namespace
{
size_t const TRANSACTION_SIZE_LIMIT = (((CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE * 125) / 100) - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE);
}
//---------------------------------------------------------------------------------
tx_memory_pool::tx_memory_pool(blockchain_storage& bchs): m_blockchain(bchs)
{
@ -75,7 +80,22 @@ namespace cryptonote
if(outputs_amount >= inputs_amount)
{
LOG_PRINT_L0("transaction use more money then it has: use " << outputs_amount << ", have " << inputs_amount);
LOG_PRINT_L0("transaction use more money then it has: use " << print_money(outputs_amount) << ", have " << print_money(inputs_amount));
tvc.m_verifivation_failed = true;
return false;
}
uint64_t fee = inputs_amount - outputs_amount;
if (!kept_by_block && fee < DEFAULT_FEE)
{
LOG_ERROR("transaction fee is not enough: " << print_money(fee) << ", minumim fee: " << print_money(DEFAULT_FEE));
tvc.m_verifivation_failed = true;
return false;
}
if (!kept_by_block && blob_size >= TRANSACTION_SIZE_LIMIT)
{
LOG_ERROR("transaction is too big: " << blob_size << " bytes, maximum size: " << TRANSACTION_SIZE_LIMIT);
tvc.m_verifivation_failed = true;
return false;
}
@ -230,22 +250,20 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------------------------
size_t tx_memory_pool::get_transactions_count()
size_t tx_memory_pool::get_transactions_count() const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
return m_transactions.size();
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::get_transactions(std::list<transaction>& txs)
void tx_memory_pool::get_transactions(std::list<transaction>& txs) const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
BOOST_FOREACH(const auto& tx_vt, m_transactions)
txs.push_back(tx_vt.second.tx);
return true;
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::get_transaction(const crypto::hash& id, transaction& tx)
bool tx_memory_pool::get_transaction(const crypto::hash& id, transaction& tx) const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
auto it = m_transactions.find(id);
@ -265,7 +283,7 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::have_tx(const crypto::hash &id)
bool tx_memory_pool::have_tx(const crypto::hash &id) const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
if(m_transactions.count(id))
@ -273,7 +291,7 @@ namespace cryptonote
return false;
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::have_tx_keyimges_as_spent(const transaction& tx)
bool tx_memory_pool::have_tx_keyimges_as_spent(const transaction& tx) const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
BOOST_FOREACH(const auto& in, tx.vin)
@ -285,23 +303,23 @@ namespace cryptonote
return false;
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::have_tx_keyimg_as_spent(const crypto::key_image& key_im)
bool tx_memory_pool::have_tx_keyimg_as_spent(const crypto::key_image& key_im) const
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
return m_spent_key_images.end() != m_spent_key_images.find(key_im);
}
//---------------------------------------------------------------------------------
void tx_memory_pool::lock()
void tx_memory_pool::lock() const
{
m_transactions_lock.lock();
}
//---------------------------------------------------------------------------------
void tx_memory_pool::unlock()
void tx_memory_pool::unlock() const
{
m_transactions_lock.unlock();
}
//---------------------------------------------------------------------------------
bool tx_memory_pool::is_transaction_ready_to_go(tx_details& txd)
bool tx_memory_pool::is_transaction_ready_to_go(tx_details& txd) const
{
//not the best implementation at this time, sorry :(
//check is ring_signature already checked ?
@ -365,38 +383,25 @@ namespace cryptonote
return true;
}
//---------------------------------------------------------------------------------
std::string tx_memory_pool::print_pool(bool short_format)
std::string tx_memory_pool::print_pool(bool short_format) const
{
std::stringstream ss;
CRITICAL_REGION_LOCAL(m_transactions_lock);
BOOST_FOREACH(transactions_container::value_type& txe, m_transactions)
{
if(short_format)
{
tx_details& txd = txe.second;
ss << "id: " << txe.first << ENDL
<< "blob_size: " << txd.blob_size << ENDL
<< "fee: " << txd.fee << ENDL
<< "kept_by_block: " << (txd.kept_by_block ? "true":"false") << ENDL
<< "max_used_block_height: " << txd.max_used_block_height << ENDL
<< "max_used_block_id: " << txd.max_used_block_id << ENDL
<< "last_failed_height: " << txd.last_failed_height << ENDL
<< "last_failed_id: " << txd.last_failed_id << ENDL;
}else
{
tx_details& txd = txe.second;
ss << "id: " << txe.first << ENDL
<< obj_to_json_str(txd.tx) << ENDL
<< "blob_size: " << txd.blob_size << ENDL
<< "fee: " << txd.fee << ENDL
<< "kept_by_block: " << (txd.kept_by_block ? "true":"false") << ENDL
<< "max_used_block_height: " << txd.max_used_block_height << ENDL
<< "max_used_block_id: " << txd.max_used_block_id << ENDL
<< "last_failed_height: " << txd.last_failed_height << ENDL
<< "last_failed_id: " << txd.last_failed_id << ENDL;
for (const transactions_container::value_type& txe : m_transactions) {
const tx_details& txd = txe.second;
ss << "id: " << txe.first << std::endl;
if (!short_format) {
ss << obj_to_json_str(*const_cast<transaction*>(&txd.tx)) << std::endl;
}
ss << "blob_size: " << txd.blob_size << std::endl
<< "fee: " << print_money(txd.fee) << std::endl
<< "kept_by_block: " << (txd.kept_by_block ? 'T' : 'F') << std::endl
<< "max_used_block_height: " << txd.max_used_block_height << std::endl
<< "max_used_block_id: " << txd.max_used_block_id << std::endl
<< "last_failed_height: " << txd.last_failed_height << std::endl
<< "last_failed_id: " << txd.last_failed_id << std::endl;
}
return ss.str();
}
//---------------------------------------------------------------------------------
@ -411,45 +416,17 @@ namespace cryptonote
total_size = 0;
fee = 0;
size_t max_total_size = 2 * median_size - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE; // Max block size
// Maximum block size is 130% of the median block size. This gives a
// little extra headroom for the max size transaction.
size_t max_total_size = (130 * median_size) / 100 - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE;
std::unordered_set<crypto::key_image> k_images;
// Tx size limit as in wallet2.h
// tx_pool.cpp uses size_t for tx sizes, whereas
// wallet2.h uses uint64_t; just use size_t here
// for now
size_t upper_transaction_size_limit = ((CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE * 125) / 100) - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE;
// Calculate size limit based on median too; useful
// for when we actually fix wallet2.h's maximum
// allowable tx size
//
// Can be removed when wallet2.h calculates max
// tx size based on the median too; just use
// upper_transaction_size_limit_median in all cases
size_t upper_transaction_size_limit_median = ((median_size * 125) / 100) - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE;
if (upper_transaction_size_limit_median > upper_transaction_size_limit)
upper_transaction_size_limit = upper_transaction_size_limit_median;
BOOST_FOREACH(transactions_container::value_type& tx, m_transactions)
{
// Can not exceed maximum block size
if (max_total_size < total_size + tx.second.blob_size)
continue;
// Check to see if the minimum fee is included;
// exclude tx missing minimum fee
if (tx.second.fee < DEFAULT_FEE)
continue;
// Skip transactions that are too large
// TODO: Correct upper_transactions_size_limit
// such that it is based on median block size;
// We need to make a similar patch for
// wallet2.h
if (tx.second.blob_size > upper_transaction_size_limit)
continue;
// If adding this tx will make the block size
// greater than CRYPTONOTE_GETBLOCKTEMPLATE_MAX
// _BLOCK_SIZE bytes, reject the tx; this will
@ -458,13 +435,6 @@ namespace cryptonote
if ( (total_size + tx.second.blob_size) > CRYPTONOTE_GETBLOCKTEMPLATE_MAX_BLOCK_SIZE )
continue;
// If adding this tx will make the block size
// greater than 130% of the median, reject the
// tx; this will keep down largely punitive tx
// from being included
if ( (total_size + tx.second.blob_size) > ((130 * median_size) / 100) )
continue;
// If we've exceeded the penalty free size,
// stop including more tx
if (total_size > median_size)
@ -487,6 +457,8 @@ namespace cryptonote
//---------------------------------------------------------------------------------
bool tx_memory_pool::init(const std::string& config_folder)
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
m_config_folder = config_folder;
std::string state_file_path = config_folder + "/" + CRYPTONOTE_POOLDATA_FILENAME;
boost::system::error_code ec;
@ -495,9 +467,23 @@ namespace cryptonote
bool res = tools::unserialize_obj_from_file(*this, state_file_path);
if(!res)
{
LOG_PRINT_L0("Failed to load memory pool from file " << state_file_path);
LOG_ERROR("Failed to load memory pool from file " << state_file_path);
m_transactions.clear();
m_spent_key_images.clear();
}
return res;
for (auto it = m_transactions.begin(); it != m_transactions.end(); ) {
auto it2 = it++;
if (it2->second.blob_size >= TRANSACTION_SIZE_LIMIT) {
LOG_PRINT_L0("Transaction " << get_transaction_hash(it2->second.tx) << " is too big (" << it2->second.blob_size << " bytes), removing it from pool");
remove_transaction_keyimages(it2->second.tx);
m_transactions.erase(it2);
}
}
// Ignore deserialization error
return true;
}
//---------------------------------------------------------------------------------

30
src/cryptonote_core/tx_pool.h
View file

@ -61,28 +61,22 @@ namespace cryptonote
//gets tx and remove it from pool
bool take_tx(const crypto::hash &id, transaction &tx, size_t& blob_size, uint64_t& fee);
bool have_tx(const crypto::hash &id);
bool have_tx_keyimg_as_spent(const crypto::key_image& key_im);
bool have_tx_keyimges_as_spent(const transaction& tx);
bool have_tx(const crypto::hash &id) const;
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();
void lock() const;
void unlock() const;
// load/store operations
bool init(const std::string& config_folder);
bool deinit();
bool fill_block_template(block &bl, size_t median_size, uint64_t already_generated_coins, size_t &total_size, uint64_t &fee);
bool get_transactions(std::list<transaction>& txs);
bool get_transaction(const crypto::hash& h, transaction& tx);
size_t get_transactions_count();
bool remove_transaction_keyimages(const transaction& tx);
bool have_key_images(const std::unordered_set<crypto::key_image>& kic, const transaction& tx);
bool append_key_images(std::unordered_set<crypto::key_image>& kic, const transaction& tx);
std::string print_pool(bool short_format);
void get_transactions(std::list<transaction>& txs) const;
bool get_transaction(const crypto::hash& h, transaction& tx) const;
size_t get_transactions_count() const;
std::string print_pool(bool short_format) const;
/*bool flush_pool(const std::strig& folder);
bool inflate_pool(const std::strig& folder);*/
@ -115,11 +109,17 @@ namespace cryptonote
private:
bool remove_stuck_transactions();
bool is_transaction_ready_to_go(tx_details& txd);
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<crypto::key_image>& kic, const transaction& tx);
static bool append_key_images(std::unordered_set<crypto::key_image>& kic, const transaction& tx);
bool is_transaction_ready_to_go(tx_details& txd) const;
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;
epee::critical_section m_transactions_lock;
mutable 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;