text: // Copyright (c) 2017 The Bitcoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // Copyright (c) 2014-2018 The Groincoin Core developers
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #ifndef GROINCOIN_WALLET_FEEBUMPER_H
  #define GROINCOIN_WALLET_FEEBUMPER_H
  
  #include <primitives/transaction.h>
  
  class CWallet;
  class CWalletTx;
  class uint256;
  class CCoinControl;
  enum class FeeEstimateMode;
  
  namespace feebumper {
  
  enum class Result
  {
      OK,
      INVALID_ADDRESS_OR_KEY,
      INVALID_REQUEST,
      INVALID_PARAMETER,
      WALLET_ERROR,
      MISC_ERROR,
  };
  
  //! Return whether transaction can be bumped.
  bool TransactionCanBeBumped(CWallet* wallet, const uint256& txid);
  
  //! Create bumpfee transaction.
  Result CreateTransaction(const CWallet* wallet,
                           const uint256& txid,
                           const CCoinControl& coin_control,
                           CAmount total_fee,
                           std::vector<std::string>& errors,
                           CAmount& old_fee,
                           CAmount& new_fee,
                           CMutableTransaction& mtx);
  
  //! Sign the new transaction,
  //! @return false if the tx couldn't be found or if it was
  //! impossible to create the signature(s)
  bool SignTransaction(CWallet* wallet, CMutableTransaction& mtx);
  
  //! Commit the bumpfee transaction.
  //! @return success in case of CWallet::CommitTransaction was successful,
  //! but sets errors if the tx could not be added to the mempool (will try later)
  //! or if the old transaction could not be marked as replaced.
  Result CommitTransaction(CWallet* wallet,
                           const uint256& txid,
                           CMutableTransaction&& mtx,
                           std::vector<std::string>& errors,
                           uint256& bumped_txid);
  
  } // namespace feebumper
  
  #endif // GROINCOIN_WALLET_FEEBUMPER_H
  