Function IsChildWithParentsTree

src/policy/packages.cpp:136–149

}

bool IsChildWithParentsTree(const Package& package)
{
    if (!IsChildWithParents(package)) return false;
    std::unordered_set<Txid, SaltedTxidHasher> parent_txids;
    std::transform(package.cbegin(), package.cend() - 1, std::inserter(parent_txids, parent_txids.end()),
                   [](const auto& ptx) { return ptx->GetHash(); });
    // Each parent must not have an input who is one of the other parents.
    return std::all_of(package.cbegin(), package.cend() - 1, [&](const auto& ptx) {
        for (const auto& input : ptx->vin) {
            if (parent_txids.contains(input.prevout.hash)) return false;
        }
        return true;
    });
}

uint256 GetPackageHash(const std::vector<CTransactionRef>& transactions)
{