Function ComputeTxHashInfo

src/txrequest.cpp:273–294

Compute the TxHashInfo map. Only used for sanity checking. */

/** Compute the TxHashInfo map. Only used for sanity checking. */
std::map<uint256, TxHashInfo> ComputeTxHashInfo(const Index& index, const PriorityComputer& computer)
{
    std::map<uint256, TxHashInfo> ret;
    for (const Announcement& ann : index) {
        TxHashInfo& info = ret[ann.m_gtxid.ToUint256()];
        // Classify how many announcements of each state we have for this txhash.
        info.m_candidate_delayed += (ann.GetState() == State::CANDIDATE_DELAYED);
        info.m_candidate_ready += (ann.GetState() == State::CANDIDATE_READY);
        info.m_candidate_best += (ann.GetState() == State::CANDIDATE_BEST);
        info.m_requested += (ann.GetState() == State::REQUESTED);
        // And track the priority of the best CANDIDATE_READY/CANDIDATE_BEST announcements.
        if (ann.GetState() == State::CANDIDATE_BEST) {
            info.m_priority_candidate_best = computer(ann);
        }
        if (ann.GetState() == State::CANDIDATE_READY) {
            info.m_priority_best_candidate_ready = std::max(info.m_priority_best_candidate_ready, computer(ann));
        }
        // Also keep track of which peers this txhash has an announcement for (so we can detect duplicates).
        info.m_peers.push_back(ann.m_peer);
    }
    return ret;
}

}  // namespace