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Merge pull request #8916 

1924c17 protocol: drop peers sending duplicate txes (moneromooo-monero)
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luigi1111 2023-07-06 21:40:12 -05:00
parent 1eb1162923 1924c170d4
commit 4dc727b3f6
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1 changed files with 10 additions and 0 deletions
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10
src/cryptonote_protocol/cryptonote_protocol_handler.inl
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@ -979,8 +979,18 @@ namespace cryptonote
int t_cryptonote_protocol_handler<t_core>::handle_notify_new_transactions(int command, NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& context) int t_cryptonote_protocol_handler<t_core>::handle_notify_new_transactions(int command, NOTIFY_NEW_TRANSACTIONS::request& arg, cryptonote_connection_context& context)
{ {
MLOG_P2P_MESSAGE("Received NOTIFY_NEW_TRANSACTIONS (" << arg.txs.size() << " txes)"); MLOG_P2P_MESSAGE("Received NOTIFY_NEW_TRANSACTIONS (" << arg.txs.size() << " txes)");
std::unordered_set<blobdata> seen;
for (const auto &blob: arg.txs) for (const auto &blob: arg.txs)
{
MLOGIF_P2P_MESSAGE(cryptonote::transaction tx; crypto::hash hash; bool ret = cryptonote::parse_and_validate_tx_from_blob(blob, tx, hash);, ret, "Including transaction " << hash); MLOGIF_P2P_MESSAGE(cryptonote::transaction tx; crypto::hash hash; bool ret = cryptonote::parse_and_validate_tx_from_blob(blob, tx, hash);, ret, "Including transaction " << hash);
if (seen.find(blob) != seen.end())
{
LOG_PRINT_CCONTEXT_L1("Duplicate transaction in notification, dropping connection");
drop_connection(context, false, false);
return 1;
}
seen.insert(blob);
}
if(context.m_state != cryptonote_connection_context::state_normal) if(context.m_state != cryptonote_connection_context::state_normal)
return 1; return 1;