text: // Copyright (c) 2017-2018, The EDollar Project
  // Copyright (c) 2014-2017, The Monero Project
  //
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without modification, are
  // permitted provided that the following conditions are met:
  //
  // 1. Redistributions of source code must retain the above copyright notice, this list of
  //    conditions and the following disclaimer.
  //
  // 2. Redistributions in binary form must reproduce the above copyright notice, this list
  //    of conditions and the following disclaimer in the documentation and/or other
  //    materials provided with the distribution.
  //
  // 3. Neither the name of the copyright holder nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
  
  #include "pending_transaction.h"
  #include "wallet.h"
  #include "common_defines.h"
  
  #include "cryptonote_basic/cryptonote_format_utils.h"
  #include "cryptonote_basic/cryptonote_basic_impl.h"
  
  #include <memory>
  #include <vector>
  #include <sstream>
  #include <boost/format.hpp>
  
  using namespace std;
  
  namespace Edollar {
  
  PendingTransaction::~PendingTransaction() {}
  
  
  PendingTransactionImpl::PendingTransactionImpl(WalletImpl &wallet)
      : m_wallet(wallet)
  {
    m_status = Status_Ok;
  }
  
  PendingTransactionImpl::~PendingTransactionImpl()
  {
  
  }
  
  int PendingTransactionImpl::status() const
  {
      return m_status;
  }
  
  string PendingTransactionImpl::errorString() const
  {
      return m_errorString;
  }
  
  std::vector<std::string> PendingTransactionImpl::txid() const
  {
      std::vector<std::string> txid;
      for (const auto &pt: m_pending_tx)
          txid.push_back(epee::string_tools::pod_to_hex(cryptonote::get_transaction_hash(pt.tx)));
      return txid;
  }
  
  bool PendingTransactionImpl::commit(const std::string &filename, bool overwrite)
  {
  
      LOG_PRINT_L3("m_pending_tx size: " << m_pending_tx.size());
  
      try {
        // Save tx to file
        if (!filename.empty()) {
          boost::system::error_code ignore;
          bool tx_file_exists = boost::filesystem::exists(filename, ignore);
          if(tx_file_exists && !overwrite){
            m_errorString = string(tr("Attempting to save transaction to file, but specified file(s) exist. Exiting to not risk overwriting. File:")) + filename;
            m_status = Status_Error;
            LOG_ERROR(m_errorString);
            return false;
          }
          bool r = m_wallet.m_wallet->save_tx(m_pending_tx, filename);
          if (!r) {
            m_errorString = tr("Failed to write transaction(s) to file");
            m_status = Status_Error;
          } else {
            m_status = Status_Ok;
          }
        }
        // Commit tx
        else {
          m_wallet.pauseRefresh();
          while (!m_pending_tx.empty()) {
              auto & ptx = m_pending_tx.back();
              m_wallet.m_wallet->commit_tx(ptx);
              // if no exception, remove element from vector
              m_pending_tx.pop_back();
          } // TODO: extract method;
        }
      } catch (const tools::error::daemon_busy&) {
          // TODO: make it translatable with "tr"?
          m_errorString = tr("daemon is busy. Please try again later.");
          m_status = Status_Error;
      } catch (const tools::error::no_connection_to_daemon&) {
          m_errorString = tr("no connection to daemon. Please make sure daemon is running.");
          m_status = Status_Error;
      } catch (const tools::error::tx_rejected& e) {
          std::ostringstream writer(m_errorString);
          writer << (boost::format(tr("transaction %s was rejected by daemon with status: ")) % get_transaction_hash(e.tx())) <<  e.status();
          std::string reason = e.reason();
          m_status = Status_Error;
          m_errorString = writer.str();
          if (!reason.empty())
            m_errorString  += string(tr(". Reason: ")) + reason;
      } catch (const std::exception &e) {
          m_errorString = string(tr("Unknown exception: ")) + e.what();
          m_status = Status_Error;
      } catch (...) {
          m_errorString = tr("Unhandled exception");
          LOG_ERROR(m_errorString);
          m_status = Status_Error;
      }
  
      m_wallet.startRefresh();
      return m_status == Status_Ok;
  }
  
  uint64_t PendingTransactionImpl::amount() const
  {
      uint64_t result = 0;
      for (const auto &ptx : m_pending_tx)   {
          for (const auto &dest : ptx.dests) {
              result += dest.amount;
          }
      }
      return result;
  }
  
  uint64_t PendingTransactionImpl::dust() const
  {
      uint64_t result = 0;
      for (const auto & ptx : m_pending_tx) {
          result += ptx.dust;
      }
      return result;
  }
  
  uint64_t PendingTransactionImpl::fee() const
  {
      uint64_t result = 0;
      for (const auto &ptx : m_pending_tx) {
          result += ptx.fee;
      }
      return result;
  }
  
  uint64_t PendingTransactionImpl::txCount() const
  {
      return m_pending_tx.size();
  }
  
  std::vector<uint32_t> PendingTransactionImpl::subaddrAccount() const
  {
      std::vector<uint32_t> result;
      for (const auto& ptx : m_pending_tx)
          result.push_back(ptx.construction_data.subaddr_account);
      return result;
  }
  
  std::vector<std::set<uint32_t>> PendingTransactionImpl::subaddrIndices() const
  {
      std::vector<std::set<uint32_t>> result;
      for (const auto& ptx : m_pending_tx)
          result.push_back(ptx.construction_data.subaddr_indices);
      return result;
  }
  
  }
  
  
  
  