diff options
Diffstat (limited to 'src/wallet/wallet2.cpp')
| -rw-r--r-- | src/wallet/wallet2.cpp | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index c7c49f445..b23e8525b 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -2829,7 +2829,7 @@ void wallet2::remove_obsolete_pool_txs(const std::vector<crypto::hash> &tx_hashe } //---------------------------------------------------------------------------------------------------- -void wallet2::update_pool_state(bool refreshed) +void wallet2::update_pool_state(std::vector<std::pair<cryptonote::transaction, bool>> &process_txs, bool refreshed) { MTRACE("update_pool_state start"); @@ -3019,13 +3019,7 @@ void wallet2::update_pool_state(bool refreshed) [tx_hash](const std::pair<crypto::hash, bool> &e) { return e.first == tx_hash; }); if (i != txids.end()) { - process_new_transaction(tx_hash, tx, std::vector<uint64_t>(), 0, 0, time(NULL), false, true, tx_entry.double_spend_seen, {}); - m_scanned_pool_txs[0].insert(tx_hash); - if (m_scanned_pool_txs[0].size() > 5000) - { - std::swap(m_scanned_pool_txs[0], m_scanned_pool_txs[1]); - m_scanned_pool_txs[0].clear(); - } + process_txs.push_back(std::make_pair(tx, tx_entry.double_spend_seen)); } else { @@ -3056,6 +3050,24 @@ void wallet2::update_pool_state(bool refreshed) MTRACE("update_pool_state end"); } //---------------------------------------------------------------------------------------------------- +void wallet2::process_pool_state(const std::vector<std::pair<cryptonote::transaction, bool>> &txs) +{ + const time_t now = time(NULL); + for (const auto &e: txs) + { + const cryptonote::transaction &tx = e.first; + const bool double_spend_seen = e.second; + const crypto::hash tx_hash = get_transaction_hash(tx); + process_new_transaction(tx_hash, tx, std::vector<uint64_t>(), 0, 0, now, false, true, double_spend_seen, {}); + m_scanned_pool_txs[0].insert(tx_hash); + if (m_scanned_pool_txs[0].size() > 5000) + { + std::swap(m_scanned_pool_txs[0], m_scanned_pool_txs[1]); + m_scanned_pool_txs[0].clear(); + } + } +} +//---------------------------------------------------------------------------------------------------- void wallet2::fast_refresh(uint64_t stop_height, uint64_t &blocks_start_height, std::list<crypto::hash> &short_chain_history, bool force) { std::vector<crypto::hash> hashes; @@ -3259,6 +3271,14 @@ void wallet2::refresh(bool trusted_daemon, uint64_t start_height, uint64_t & blo }); auto scope_exit_handler_hwdev = epee::misc_utils::create_scope_leave_handler([&](){hwdev.computing_key_images(false);}); + + // get updated pool state first, but do not process those txes just yet, + // since that might cause a password prompt, which would introduce a data + // leak allowing a passive adversary with traffic analysis capability to + // infer when we get an incoming output + std::vector<std::pair<cryptonote::transaction, bool>> process_pool_txs; + update_pool_state(process_pool_txs, refreshed); + bool first = true, last = false; while(m_run.load(std::memory_order_relaxed)) { @@ -3389,8 +3409,8 @@ void wallet2::refresh(bool trusted_daemon, uint64_t start_height, uint64_t & blo try { // If stop() is called we don't need to check pending transactions - if (check_pool && m_run.load(std::memory_order_relaxed)) - update_pool_state(refreshed); + if (check_pool && m_run.load(std::memory_order_relaxed) && !process_pool_txs.empty()) + process_pool_state(process_pool_txs); } catch (...) { |