Method addUnchecked

src/txmempool.cpp:503–555

}

void CTxMemPool::addUnchecked(const CTxMemPoolEntry &entry, setEntries &setAncestors, bool validFeeEstimate)
{
    // Add to memory pool without checking anything.
    // Used by AcceptToMemoryPool(), which DOES do
    // all the appropriate checks.
    indexed_transaction_set::iterator newit = mapTx.insert(entry).first;

    // Update transaction for any feeDelta created by PrioritiseTransaction
    // TODO: refactor so that the fee delta is calculated before inserting
    // into mapTx.
    CAmount delta{0};
    ApplyDelta(entry.GetTx().GetHash(), delta);
    // The following call to UpdateModifiedFee assumes no previous fee modifications
    Assume(entry.GetFee() == entry.GetModifiedFee());
    if (delta) {
        mapTx.modify(newit, [&delta](CTxMemPoolEntry& e) { e.UpdateModifiedFee(delta); });
    }

    // Update cachedInnerUsage to include contained transaction's usage.
    // (When we update the entry for in-mempool parents, memory usage will be
    // further updated.)
    cachedInnerUsage += entry.DynamicMemoryUsage();

    const CTransaction& tx = newit->GetTx();
    std::set<uint256> setParentTransactions;
    for (unsigned int i = 0; i < tx.vin.size(); i++) {
        mapNextTx.insert(std::make_pair(&tx.vin[i].prevout, &tx));
        setParentTransactions.insert(tx.vin[i].prevout.hash);
    }
    // Don't bother worrying about child transactions of this one.
    // Normal case of a new transaction arriving is that there can't be any
    // children, because such children would be orphans.
    // An exception to that is if a transaction enters that used to be in a block.
    // In that case, our disconnect block logic will call UpdateTransactionsFromBlock
    // to clean up the mess we're leaving here.

    // Update ancestors with information about this tx
    for (const auto& pit : GetIterSet(setParentTransactions)) {
            UpdateParent(newit, pit, true);
    }
    UpdateAncestorsOf(true, newit, setAncestors);
    UpdateEntryForAncestors(newit, setAncestors);

    nTransactionsUpdated++;
    totalTxSize += entry.GetTxSize();
    m_total_fee += entry.GetFee();
    if (minerPolicyEstimator) {
        minerPolicyEstimator->processTransaction(entry, validFeeEstimate);
    }

    vTxHashes.emplace_back(tx.GetWitnessHash(), newit);
    newit->vTxHashesIdx = vTxHashes.size() - 1;
}

void CTxMemPool::removeUnchecked(txiter it, MemPoolRemovalReason reason)
{