Method PickRandomTx

src/cluster_linearize.h:790–800

Pick a random transaction within a set (which must be non-empty). */

    /** Pick a random transaction within a set (which must be non-empty). */
    TxIdx PickRandomTx(const SetType& tx_idxs) noexcept
    {
        Assume(tx_idxs.Any());
        unsigned pos = m_rng.randrange<unsigned>(tx_idxs.Count());
        for (auto tx_idx : tx_idxs) {
            if (pos == 0) return tx_idx;
            --pos;
        }
        Assume(false);
        return TxIdx(-1);
    }

    /** Find the set of out-of-chunk transactions reachable from tx_idxs, both in upwards and
     *  downwards direction. Only used by SanityCheck to verify the precomputed reachable sets in