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tx_pool: do not accept txes not in a block if they timed out before

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This is intended to avoid cases where a timed out tx will be
re-relayed by another peer for which it has not timed out yet,
which would cause the tx to stay in the network's pool for a
long time (until all peers time it out before another one
tries to relay it again).
This commit is contained in:
moneromooo-monero 2016-01-29 17:15:09 +00:00
parent eadbdf354a
commit 94b98fb5fa
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GPG key ID: 686F07454D6CEFC3
2 changed files with 14 additions and 2 deletions
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11
src/cryptonote_core/tx_pool.cpp
View file

@ -84,7 +84,15 @@ namespace cryptonote
//---------------------------------------------------------------------------------
bool tx_memory_pool::add_tx(const transaction &tx, /*const crypto::hash& tx_prefix_hash,*/ const crypto::hash &id, size_t blob_size, tx_verification_context& tvc, bool kept_by_block, bool relayed, uint8_t version)
{
// we do not accept transactions that timed out before, unless they're
// kept_by_block
if (!kept_by_block && m_timed_out_transactions.find(id) != m_timed_out_transactions.end())
{
// not clear if we should set that, since verifivation (sic) did not fail before, since
// the tx was accepted before timing out.
tvc.m_verifivation_failed = true;
return false;
}
if(!check_inputs_types_supported(tx))
{
@ -315,6 +323,7 @@ namespace cryptonote
{
m_txs_by_fee.erase(sorted_it);
}
m_timed_out_transactions.insert(it->first);
auto pit = it++;
m_transactions.erase(pit);
}else

5
src/cryptonote_core/tx_pool.h
View file

@ -110,7 +110,7 @@ namespace cryptonote
/*bool flush_pool(const std::strig& folder);
bool inflate_pool(const std::strig& folder);*/
#define CURRENT_MEMPOOL_ARCHIVE_VER 9
#define CURRENT_MEMPOOL_ARCHIVE_VER 10
template<class archive_t>
void serialize(archive_t & a, const unsigned int version)
@ -120,6 +120,7 @@ namespace cryptonote
CRITICAL_REGION_LOCAL(m_transactions_lock);
a & m_transactions;
a & m_spent_key_images;
a & m_timed_out_transactions;
}
struct tx_details
@ -162,6 +163,8 @@ namespace cryptonote
sorted_tx_container::iterator find_tx_in_sorted_container(const crypto::hash& id) const;
std::unordered_set<crypto::hash> m_timed_out_transactions;
//transactions_container m_alternative_transactions;
std::string m_config_folder;