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temporary fix for block reward dos

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mydesktop 2014-05-25 20:25:37 -04:00
parent e717125073
commit 31a59785b0
3 changed files with 31 additions and 3 deletions
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24
src/cryptonote_core/tx_pool.cpp
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@ -355,13 +355,35 @@ namespace cryptonote
total_size = 0;
fee = 0;
size_t max_total_size = 2 * median_size - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE;
size_t max_total_size = 2 * median_size - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE; // Max block size
std::unordered_set<crypto::key_image> k_images;
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
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
uint64_t upper_transaction_size_limit = ((CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE * 125) / 100) - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE;
if (tx.second.blob_size > upper_transaction_size_limit)
continue;
// If we've exceeded the penalty free size,
// stop including more tx
if (total_size > median_size)
continue;
// Skip transactions that are not ready to be
// included into the blockchain or that are
// missing key images
if (!is_transaction_ready_to_go(tx.second) || have_key_images(k_images, tx.second.tx))
continue;