Method TestPackageTransactions

src/miner.cpp:227–236

Perform transaction-level checks before adding to block: - transaction finality (locktime) - premature witness (in case segwit transactions are added to mempool before segwit activation)

// - premature witness (in case segwit transactions are added to mempool before
//   segwit activation)
bool BlockAssembler::TestPackageTransactions(const CTxMemPool::setEntries& package)
{
    for (CTxMemPool::txiter it : package) {
        if (!IsFinalTx(it->GetTx(), nHeight, nLockTimeCutoff))
            return false;
        if (!fIncludeWitness && it->GetTx().HasWitness())
            return false;
    }
    return true;
}

void BlockAssembler::AddToBlock(CTxMemPool::txiter iter)
{