text: // Copyright (c) 2016-2018 The Bitcoin developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #ifndef ZUMY_POLICY_RBF_H
  #define ZUMY_POLICY_RBF_H
  
  #include "txmempool.h"
  
  // Check whether the sequence numbers on this transaction are signaling
  // opt-in to replace-by-fee, according to BIP 125
  bool SignalsOptInRBF(const CTransaction &tx);
  
  // Determine whether an in-mempool transaction is signaling opt-in to RBF
  // according to BIP 125
  // This involves checking sequence numbers of the transaction, as well
  // as the sequence numbers of all in-mempool ancestors.
  bool IsRBFOptIn(const CTxMemPoolEntry &entry, CTxMemPool &pool);
  
  #endif // ZUMY_POLICY_RBF_H
  