Method removeUnchecked

src/txmempool.cpp:263–306

}

void CTxMemPool::removeUnchecked(txiter it, MemPoolRemovalReason reason)
{
    // We increment mempool sequence value no matter removal reason
    // even if not directly reported below.
    uint64_t mempool_sequence = GetAndIncrementSequence();

    if (reason != MemPoolRemovalReason::BLOCK && m_opts.signals) {
        // Notify clients that a transaction has been removed from the mempool
        // for any reason except being included in a block. Clients interested
        // in transactions included in blocks can subscribe to the BlockConnected
        // notification.
        m_opts.signals->TransactionRemovedFromMempool(it->GetSharedTx(), reason, mempool_sequence);
    }
    TRACEPOINT(mempool, removed,
        it->GetTx().GetHash().data(),
        RemovalReasonToString(reason).c_str(),
        it->GetTxSize(),
        it->GetFee(),
        std::chrono::duration_cast<std::chrono::duration<std::uint64_t>>(it->GetTime()).count()
    );

    for (const CTxIn& txin : it->GetTx().vin)
        mapNextTx.erase(txin.prevout);

    RemoveUnbroadcastTx(it->GetTx().GetHash(), true /* add logging because unchecked */);

    if (txns_randomized.size() > 1) {
        // Remove entry from txns_randomized by replacing it with the back and deleting the back.
        txns_randomized[it->idx_randomized] = std::move(txns_randomized.back());
        txns_randomized[it->idx_randomized].second->idx_randomized = it->idx_randomized;
        txns_randomized.pop_back();
        if (txns_randomized.size() * 2 < txns_randomized.capacity()) {
            txns_randomized.shrink_to_fit();
        }
    } else {
        txns_randomized.clear();
    }

    totalTxSize -= it->GetTxSize();
    m_total_fee -= it->GetFee();
    cachedInnerUsage -= it->DynamicMemoryUsage();
    mapTx.erase(it);
    nTransactionsUpdated++;
}

// Calculates descendants of given entry and adds to setDescendants.
void CTxMemPool::CalculateDescendants(txiter entryit, setEntries& setDescendants) const