Method broadcastTransaction

src/node/interfaces.cpp:685–695

        return m_node.mempool->HasDescendants(txid);
    }
    bool broadcastTransaction(const CTransactionRef& tx,
        const CAmount& max_tx_fee,
        TxBroadcast broadcast_method,
        std::string& err_string) override
    {
        const TransactionError err = BroadcastTransaction(m_node, tx, err_string, max_tx_fee, broadcast_method, /*wait_callback=*/false);
        // Chain clients only care about failures to accept the tx to the mempool. Disregard non-mempool related failures.
        // Note: this will need to be updated if BroadcastTransactions() is updated to return other non-mempool failures
        // that Chain clients do not need to know about.
        return TransactionError::OK == err;
    }
    void getTransactionAncestry(const Txid& txid, size_t& ancestors, size_t& cluster_count, size_t* ancestorsize, CAmount* ancestorfees) override
    {
        ancestors = cluster_count = 0;