text: // Copyright (c) 2017-2019 The Bitcoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #ifndef BITCOIN_NODE_TRANSACTION_H
  #define BITCOIN_NODE_TRANSACTION_H
  
  #include <attributes.h>
  #include <primitives/transaction.h>
  #include <util/error.h>
  
  struct NodeContext;
  
  /**
   * Submit a transaction to the mempool and (optionally) relay it to all P2P peers.
   *
   * Mempool submission can be synchronous (will await mempool entry notification
   * over the CValidationInterface) or asynchronous (will submit and not wait for
   * notification), depending on the value of wait_callback. wait_callback MUST
   * NOT be set while cs_main, cs_mempool or cs_wallet are held to avoid
   * deadlock.
   *
   * @param[in]  node reference to node context
   * @param[in]  tx the transaction to broadcast
   * @param[out] &err_string reference to std::string to fill with error string if available
   * @param[in]  max_tx_fee reject txs with fees higher than this (if 0, accept any fee)
   * @param[in]  relay flag if both mempool insertion and p2p relay are requested
   * @param[in]  wait_callback, wait until callbacks have been processed to avoid stale result due to a sequentially RPC.
   * return error
   */
  [[nodiscard]] TransactionError BroadcastTransaction(NodeContext& node, CTransactionRef tx, std::string& err_string, const CAmount& highfee, bool relay, bool wait_callback, bool bypass_limits = false);
  
  #endif // BITCOIN_NODE_TRANSACTION_H
  