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Merge pull request #1779

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9effa553 core: bound the amount of entries in bad tx semantics cache (moneromooo-monero)
240054a7 core: remove a couple unused/obsolete bits (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2017-02-24 11:55:54 +02:00
commit 2b38973b5c
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2 changed files with 16 additions and 9 deletions
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14
src/cryptonote_core/cryptonote_core.cpp
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@ -60,6 +60,8 @@ DISABLE_VS_WARNINGS(4355)
#define MERROR_VER(x) MCERROR("verify", x) #define MERROR_VER(x) MCERROR("verify", x)
#define BAD_SEMANTICS_TXES_MAX_SIZE 100
namespace cryptonote namespace cryptonote
{ {
@ -496,12 +498,15 @@ namespace cryptonote
} }
//std::cout << "!"<< tx.vin.size() << std::endl; //std::cout << "!"<< tx.vin.size() << std::endl;
if (bad_semantics_txes.find(tx_hash) != bad_semantics_txes.end()) for (int idx = 0; idx < 2; ++idx)
{
if (bad_semantics_txes[idx].find(tx_hash) != bad_semantics_txes[idx].end())
{ {
LOG_PRINT_L1("Transaction already seen with bad semantics, rejected"); LOG_PRINT_L1("Transaction already seen with bad semantics, rejected");
tvc.m_verifivation_failed = true; tvc.m_verifivation_failed = true;
return false; return false;
} }
}
uint8_t version = m_blockchain_storage.get_current_hard_fork_version(); uint8_t version = m_blockchain_storage.get_current_hard_fork_version();
const size_t max_tx_version = version == 1 ? 1 : 2; const size_t max_tx_version = version == 1 ? 1 : 2;
@ -551,8 +556,13 @@ namespace cryptonote
if(!check_tx_semantic(tx, keeped_by_block)) if(!check_tx_semantic(tx, keeped_by_block))
{ {
LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to check tx " << tx_hash << " semantic, rejected"); LOG_PRINT_L1("WRONG TRANSACTION BLOB, Failed to check tx " << tx_hash << " semantic, rejected");
bad_semantics_txes.insert(tx_hash);
tvc.m_verifivation_failed = true; tvc.m_verifivation_failed = true;
bad_semantics_txes[0].insert(tx_hash);
if (bad_semantics_txes[0].size() >= BAD_SEMANTICS_TXES_MAX_SIZE)
{
std::swap(bad_semantics_txes[0], bad_semantics_txes[1]);
bad_semantics_txes[0].clear();
}
return false; return false;
} }

5
src/cryptonote_core/cryptonote_core.h
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@ -818,7 +818,6 @@ namespace cryptonote
epee::math_helper::once_a_time_seconds<60*2, false> m_txpool_auto_relayer; //!< interval for checking re-relaying txpool transactions epee::math_helper::once_a_time_seconds<60*2, false> m_txpool_auto_relayer; //!< interval for checking re-relaying txpool transactions
epee::math_helper::once_a_time_seconds<60*60*12, true> m_check_updates_interval; //!< interval for checking for new versions epee::math_helper::once_a_time_seconds<60*60*12, true> m_check_updates_interval; //!< interval for checking for new versions
friend class tx_validate_inputs;
std::atomic<bool> m_starter_message_showed; //!< has the "daemon will sync now" message been shown? std::atomic<bool> m_starter_message_showed; //!< has the "daemon will sync now" message been shown?
uint64_t m_target_blockchain_height; //!< blockchain height target uint64_t m_target_blockchain_height; //!< blockchain height target
@ -833,13 +832,11 @@ namespace cryptonote
std::atomic_flag m_checkpoints_updating; //!< set if checkpoints are currently updating to avoid multiple threads attempting to update at once std::atomic_flag m_checkpoints_updating; //!< set if checkpoints are currently updating to avoid multiple threads attempting to update at once
boost::interprocess::file_lock db_lock; //!< a lock object for a file lock in the db directory
size_t block_sync_size; size_t block_sync_size;
time_t start_time; time_t start_time;
std::unordered_set<crypto::hash> bad_semantics_txes; std::unordered_set<crypto::hash> bad_semantics_txes[2];
enum { enum {
UPDATES_DISABLED, UPDATES_DISABLED,