Class MemPoolAccept

src/validation.cpp:286–579

namespace {

class MemPoolAccept {
public:
    MemPoolAccept(CTxMemPool &mempool, Chainstate &active_chainstate)
        : m_pool(mempool), m_view(&m_dummy),
          m_viewmempool(&active_chainstate.CoinsTip(), m_pool),
          m_active_chainstate(active_chainstate) {}

    // We put the arguments we're handed into a struct, so we can pass them
    // around easier.
    struct ATMPArgs {
        const Config &m_config;
        const int64_t m_accept_time;
        const bool m_bypass_limits;
        /*
         * Return any outpoints which were not previously present in the coins
         * cache, but were added as a result of validating the tx for mempool
         * acceptance. This allows the caller to optionally remove the cache
         * additions if the associated transaction ends up being rejected by
         * the mempool.
         */
        std::vector<COutPoint> &m_coins_to_uncache;
        const bool m_test_accept;
        const unsigned int m_heightOverride;
        /**
         * When true, the mempool will not be trimmed when any transactions are
         * submitted in Finalize(). Instead, limits should be enforced at the
         * end to ensure the package is not partially submitted.
         */
        const bool m_package_submission;
        /**
         * When true, use package feerates instead of individual transaction
         * feerates for fee-based policies such as mempool min fee and min relay
         * fee.
         */
        const bool m_package_feerates;

        /** Parameters for single transaction mempool validation. */
        static ATMPArgs SingleAccept(const Config &config, int64_t accept_time,
                                     bool bypass_limits,
                                     std::vector<COutPoint> &coins_to_uncache,
                                     bool test_accept,
                                     unsigned int heightOverride) {
            return ATMPArgs{
                config,
                accept_time,
                bypass_limits,
                coins_to_uncache,
                test_accept,
                heightOverride,
                /*package_submission=*/false,
                /*package_feerates=*/false,
            };
        }

        /**
         * Parameters for test package mempool validation through
         * testmempoolaccept.
         */