text: // Copyright (c) 2011-2018 The Bitcoin Core developers
  // Copyright (c) 2021 The Vivuscoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #ifdef HAVE_CONFIG_H
  #include <config/vivuscoin-config.h>
  #endif
  
  #include <qt/walletmodeltransaction.h>
  
  #include <interfaces/node.h>
  #include <policy/policy.h>
  
  WalletModelTransaction::WalletModelTransaction(const QList<SendCoinsRecipient> &_recipients) :
      recipients(_recipients),
      fee(0)
  {
  }
  
  QList<SendCoinsRecipient> WalletModelTransaction::getRecipients() const
  {
      return recipients;
  }
  
  std::unique_ptr<interfaces::PendingWalletTx>& WalletModelTransaction::getWtx()
  {
      return wtx;
  }
  
  unsigned int WalletModelTransaction::getTransactionSize()
  {
      return wtx ? wtx->getVirtualSize() : 0;
  }
  
  CAmount WalletModelTransaction::getTransactionFee() const
  {
      return fee;
  }
  
  void WalletModelTransaction::setTransactionFee(const CAmount& newFee)
  {
      fee = newFee;
  }
  
  void WalletModelTransaction::reassignAmounts(int nChangePosRet)
  {
      const CTransaction* walletTransaction = &wtx->get();
      int i = 0;
      for (QList<SendCoinsRecipient>::iterator it = recipients.begin(); it != recipients.end(); ++it)
      {
          SendCoinsRecipient& rcp = (*it);
  
  #ifdef ENABLE_BIP70
          if (rcp.paymentRequest.IsInitialized())
          {
              CAmount subtotal = 0;
              const payments::PaymentDetails& details = rcp.paymentRequest.getDetails();
              for (int j = 0; j < details.outputs_size(); j++)
              {
                  const payments::Output& out = details.outputs(j);
                  if (out.amount() <= 0) continue;
                  if (i == nChangePosRet)
                      i++;
                  subtotal += walletTransaction->vout[i].nValue;
                  i++;
              }
              rcp.amount = subtotal;
          }
          else // normal recipient (no payment request)
  #endif
          {
              if (i == nChangePosRet)
                  i++;
              rcp.amount = walletTransaction->vout[i].nValue;
              i++;
          }
      }
  }
  
  CAmount WalletModelTransaction::getTotalTransactionAmount() const
  {
      CAmount totalTransactionAmount = 0;
      for (const SendCoinsRecipient &rcp : recipients)
      {
          totalTransactionAmount += rcp.amount;
      }
      return totalTransactionAmount;
  }
  