check if tx from alt block exists in chain before adding to pool

3 months ago · aa99643e43
parent 5376829502
commit aa99643e43
1 changed files with 1 additions and 0 deletions
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@ -2081,6 +2081,7 @@ bool Blockchain::handle_alternative_block(const block& b, const crypto::hash& id
      tx_verification_context tvc{};
      CRITICAL_REGION_LOCAL(m_tx_pool);
      if (!m_tx_pool.have_tx(txid, relay_category::all) &&
+          !m_db->tx_exists(txid) &&
          !m_tx_pool.add_tx(tx, tvc, relay_method::block, /*relayed=*/true, hf_version, hf_version)
          || tvc.m_verifivation_failed)
      {