bool simple_wallet::transfer_main(bool new_algorithm, const std::vector<std::string> &args_)
{
  if (!try_connect_to_daemon())
    return true;

  std::vector<std::string> local_args = args_;

  size_t fake_outs_count;
  if(local_args.size() > 0) {
    if(!epee::string_tools::get_xtype_from_string(fake_outs_count, local_args[0]))
    {
      fake_outs_count = DEFAULT_MIX;
    }
    else
    {
      local_args.erase(local_args.begin());
    }
  }

  if(local_args.size() < 2) //parameter error checking
  {
     fail_msg_writer() << tr("wrong number of arguments");
     return true;
  }

  if(m_wallet->watch_only()) //view only wallet?
  {
     fail_msg_writer() << tr("This is a watch only wallet");
     return true;
  }

  std::vector<uint8_t> extra; //used to store extra_nonce (random value?? or payment id?)
  bool payment_id_seen = false;
  if (1 == local_args.size() % 2) //if am using payment id argument (then amount of arguments is always odd)
  {
    std::string payment_id_str = local_args.back(); //get last argument payment_id as a STRING type
    local_args.pop_back(); //delete it from local_args

    crypto::hash payment_id; //of type POD_CLASS and has payment_id.DATA[32] member array
    bool r = tools::wallet2::parse_long_payment_id(payment_id_str, payment_id);
    if(r) //determine if payment_id is LONG (32 or 64 hex)
    {
      std::string extra_nonce; //of "blobdata" or string type
      set_payment_id_to_tx_extra_nonce(extra_nonce, payment_id); //payment id here can be any 64 char hex
      r = add_extra_nonce_to_tx_extra(extra, extra_nonce);
    }
    else //or SHORT (8 or 16 hex)
    {
      crypto::hash8 payment_id8;
      r = tools::wallet2::parse_short_payment_id(payment_id_str, payment_id8);
      if(r)
      {
        std::string extra_nonce;
        set_encrypted_payment_id_to_tx_extra_nonce(extra_nonce, payment_id8); // "ENCRYPTED PAYMENT ID"???? <---- can be any 16char hex
        r = add_extra_nonce_to_tx_extra(extra, extra_nonce);
      }
    }

    if(!r) // if payment_id is not 16 hex or 16 hex characters then it is an invalid payment id
    {
      fail_msg_writer() << tr("payment id has invalid format, expected 16 or 64 character string: ") << payment_id_str;
      return true;
    }
    payment_id_seen = true;
  }

  vector<cryptonote::tx_destination_entry> dsts; //tx_destinations (dynamic sized array)
  for (size_t i = 0; i < local_args.size(); i += 2) //pairs of address and amounts (do all)
  {
    cryptonote::tx_destination_entry de; //structure to store 1) amount and  2) address
    bool has_payment_id;
    crypto::hash8 new_payment_id; //to hold 16 hex chars
    if(!get_account_integrated_address_from_str(de.addr, has_payment_id, new_payment_id, m_wallet->testnet(), local_args[i]))  /if no payment id
    {
      // if treating as an address fails, try as url
      bool dnssec_ok = false;
      std::string url = local_args[i];

      // attempt to get address from dns query
      auto addresses_from_dns = tools::wallet2::addresses_from_url(url, dnssec_ok);

      // for now, move on only if one address found
      if (addresses_from_dns.size() == 1)
      {
        if (get_account_integrated_address_from_str(de.addr, has_payment_id, new_payment_id, m_wallet->testnet(), addresses_from_dns[0]))
        {
          // if it was an address, prompt user for confirmation.
          // inform user of DNSSEC validation status as well.

          std::string dnssec_str;
          if (dnssec_ok)
          {
            dnssec_str = tr("DNSSEC validation passed");
          }
          else
          {
            dnssec_str = tr("WARNING: DNSSEC validation was unsuccessful, this address may not be correct!");
          }
          std::stringstream prompt;
          prompt << tr("For URL: ") << url
                 << ", " << dnssec_str << std::endl
                 << tr(" Monero Address = ") << addresses_from_dns[0]
                 << std::endl
                 << tr("Is this OK? (Y/n) ")
          ;

          // prompt the user for confirmation given the dns query and dnssec status
          std::string confirm_dns_ok = command_line::input_line(prompt.str());
          if (confirm_dns_ok != "Y" && confirm_dns_ok != "y" && confirm_dns_ok != "Yes" && confirm_dns_ok != "yes"
            && confirm_dns_ok != tr("yes") && confirm_dns_ok != tr("no"))
          {
            fail_msg_writer() << tr("You have cancelled the transfer request");
            return true;
          }
        }
        else
        {
          fail_msg_writer() << tr("Failed to get a Monero address from: ") << local_args[i];
          return true;
        }
      }
      else if (addresses_from_dns.size() > 1)
      {
        fail_msg_writer() << tr("Not yet supported: Multiple Monero addresses found for given URL: ") << url;
      }
      else
      {
        fail_msg_writer() << tr("Wrong address: ") << local_args[i];
        return true;
      }
    }

    if (has_payment_id) //if there is payment_id
    {
      if (payment_id_seen)
      {
        fail_msg_writer() << tr("A single transaction cannot use more than one payment id: ") << local_args[i];
        return true;
      }

      std::string extra_nonce;
      set_encrypted_payment_id_to_tx_extra_nonce(extra_nonce, new_payment_id);
      bool r = add_extra_nonce_to_tx_extra(extra, extra_nonce);
      if(!r)
      {
        fail_msg_writer() << tr("Failed to set up payment id, though it was decoded correctly");
        return true;
      }
    }

    bool ok = cryptonote::parse_amount(de.amount, local_args[i + 1]);
    if(!ok || 0 == de.amount)
    {
      fail_msg_writer() << tr("amount is wrong: ") << local_args[i] << ' ' << local_args[i + 1] <<
        ", " << tr("expected number from 0 to ") << print_money(std::numeric_limits<uint64_t>::max());
      return true;
    }

    dsts.push_back(de); //add transaction to the queue/
  }

  try
  {
    // figure out what tx will be necessary
    std::vector<tools::wallet2::pending_tx> ptx_vector;
    if (new_algorithm)
      ptx_vector = m_wallet->create_transactions_2(dsts, fake_outs_count, 0* unlock_time */, 0* unused fee arg*/, extra);
    else
      ptx_vector = m_wallet->create_transactions(dsts, fake_outs_count, 0* unlock_time */, 0* unused fee arg*/, extra);

    // if more than one tx necessary, prompt user to confirm
    if (m_wallet->always_confirm_transfers() || ptx_vector.size() > 1)
    {
        uint64_t total_fee = 0;
        for (size_t n = 0; n < ptx_vector.size(); ++n)
        {
          total_fee += ptx_vector[n].fee;
        }

        std::string prompt_str = (boost::format(tr("Your transaction needs to be split into %llu transactions.  "
          "This will result in a transaction fee being applied to each transaction, for a total fee of %s.  Is this okay?  (Y/Yes/N/No)")) %
          ((unsigned long long)ptx_vector.size()) % print_money(total_fee)).str();
        std::string accepted = command_line::input_line(prompt_str);
        if (accepted != "Y" && accepted != "y" && accepted != "Yes" && accepted != "yes")
        {
          fail_msg_writer() << tr("Transaction cancelled.");

          // would like to return false, because no tx made, but everything else returns true
          // and I don't know what returning false might adversely affect.  *sigh*
          return true;
        }
    }

    // actually commit the transactions
    while (!ptx_vector.empty())
    {
      auto & ptx = ptx_vector.back();
      m_wallet->commit_tx(ptx);
      success_msg_writer(true) << tr("Money successfully sent, transaction ") << get_transaction_hash(ptx.tx);

      // if no exception, remove element from vector
      ptx_vector.pop_back();
    }
  }
  catch (const tools::error::daemon_busy&)
  {
    fail_msg_writer() << tr("daemon is busy. Please try later");
  }
  catch (const tools::error::no_connection_to_daemon&)
  {
    fail_msg_writer() << tr("no connection to daemon. Please, make sure daemon is running.");
  }
  catch (const tools::error::wallet_rpc_error& e)
  {
    LOG_ERROR("Unknown RPC error: " << e.to_string());
    fail_msg_writer() << tr("RPC error: ") << e.what();
  }
  catch (const tools::error::get_random_outs_error&)
  {
    fail_msg_writer() << tr("failed to get random outputs to mix");
  }
  catch (const tools::error::not_enough_money& e)
  {
    fail_msg_writer() << boost::format(tr("not enough money to transfer, available only %s, transaction amount %s = %s + %s (fee)")) %
      print_money(e.available()) %
      print_money(e.tx_amount() + e.fee())  %
      print_money(e.tx_amount()) %
      print_money(e.fee());
  }
  catch (const tools::error::not_enough_outs_to_mix& e)
  {
    auto writer = fail_msg_writer();
    writer << tr("not enough outputs for specified mixin_count") << " = " << e.mixin_count() << ":";
    for (const cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& outs_for_amount : e.scanty_outs())
    {
      writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.amount) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.outs.size();
    }
  }
  catch (const tools::error::tx_not_constructed&)
  {
    fail_msg_writer() << tr("transaction was not constructed");
  }
  catch (const tools::error::tx_rejected& e)
  {
    fail_msg_writer() << (boost::format(tr("transaction %s was rejected by daemon with status: ")) % get_transaction_hash(e.tx())) << e.status();
  }
  catch (const tools::error::tx_sum_overflow& e)
  {
    fail_msg_writer() << e.what();
  }
  catch (const tools::error::zero_destination&)
  {
    fail_msg_writer() << tr("one of destinations is zero");
  }
  catch (const tools::error::tx_too_big& e)
  {
    fail_msg_writer() << tr("Failed to find a suitable way to split transactions");
  }
  catch (const tools::error::transfer_error& e)
  {
    LOG_ERROR("unknown transfer error: " << e.to_string());
    fail_msg_writer() << tr("unknown transfer error: ") << e.what();
  }
  catch (const tools::error::wallet_internal_error& e)
  {
    LOG_ERROR("internal error: " << e.to_string());
    fail_msg_writer() << tr("internal error: ") << e.what();
  }
  catch (const std::exception& e)
  {
    LOG_ERROR("unexpected error: " << e.what());
    fail_msg_writer() << tr("unexpected error: ") << e.what();
  }
  catch (...)
  {
    LOG_ERROR("Unknown error");
    fail_msg_writer() << tr("unknown error");
  }

  return true;
}

ptx_vector = m_wallet->create_transactions(dsts, fake_outs_count, 0* unlock_time */, 0* unused fee arg*/, extra);

std::vector<wallet2::pending_tx> wallet2::create_transactions(std::vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, const uint64_t fee_UNUSED, const std::vector<uint8_t> extra)
{

  // failsafe split attempt counter
  size_t attempt_count = 0;

  for(attempt_count = 1; ;attempt_count++) //this runs and runs until it has exhausted all possibilities with the blockchain
  { //this is where when I ran mixin of 200 on testnet it would take a while
    size_t num_tx = 0.5 + pow(1.7,attempt_count-1); //

    auto split_values = split_amounts(dsts, num_tx);

    // Throw if split_amounts comes back with a vector of size different than it should
    if (split_values.size() != num_tx)
    {
      throw std::runtime_error("Splitting transactions returned a number of potential tx not equal to what was requested");
    }

    std::vector<pending_tx> ptx_vector; //pending transaction
    try
    {
      // for each new destination vector (i.e. for each new tx)
      for (auto & dst_vector : split_values)
      {
        cryptonote::transaction tx; //tx
        pending_tx ptx; //pending tx

// loop until fee is met without increasing tx size to next KB boundary.
uint64_t needed_fee = 0;
do
{
transfer(dst_vector, fake_outs_count, unlock_time, needed_fee, extra, tx, ptx); //does a dust conversion as opposed to original transfer function that gets called anyways
auto txBlob = t_serializable_object_to_blob(ptx.tx);
uint64_t txSize = txBlob.size();
uint64_t numKB = txSize 1024;
if (txSize % 1024)
{
numKB++;
}
needed_fee = numKB * FEE_PER_KB;
} while (ptx.fee < needed_fee);

        ptx_vector.push_back(ptx);

        // mark transfers to be used as "spent"
        BOOST_FOREACH(transfer_container::iterator it, ptx.selected_transfers)
          it->m_spent = true;
      }

      // if we made it this far, we've selected our transactions.  committing them will mark them spent,
      // so this is a failsafe in case they don't go through
      // unmark pending tx transfers as spent
      for (auto & ptx : ptx_vector)
      {
        // mark transfers to be used as not spent
        BOOST_FOREACH(transfer_container::iterator it2, ptx.selected_transfers)
          it2->m_spent = false;

      }

      // if we made it this far, we're OK to actually send the transactions
      return ptx_vector;

    }
    // only catch this here, other exceptions need to pass through to the calling function
    catch (const tools::error::tx_too_big& e)
    {

      // unmark pending tx transfers as spent
      for (auto & ptx : ptx_vector)
      {
        // mark transfers to be used as not spent
        BOOST_FOREACH(transfer_container::iterator it2, ptx.selected_transfers)
          it2->m_spent = false;

      }

      if (attempt_count >= MAX_SPLIT_ATTEMPTS)
      {
        throw;
      }
    }
    catch (...)
    {
      // in case of some other exception, make sure any tx in queue are marked unspent again

      // unmark pending tx transfers as spent
      for (auto & ptx : ptx_vector)
      {
        // mark transfers to be used as not spent
        BOOST_FOREACH(transfer_container::iterator it2, ptx.selected_transfers)
          it2->m_spent = false;

      }

      throw;
    }
  }
}

transfer(dst_vector, fake_outs_count, unlock_time, needed_fee, extra, tx, ptx);

transfer(dsts, fake_outputs_count, unlock_time, fee, extra, detail::digit_split_strategy, tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD), tx, ptx);

template<typename T>
  void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
    uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction& tx, pending_tx &ptx)
  {
    using namespace cryptonote;
    // throw if attempting a transaction with no destinations
    THROW_WALLET_EXCEPTION_IF(dsts.empty(), error::zero_destination);

    uint64_t needed_money = fee;

    // calculate total amount being sent to all destinations
    // throw if total amount overflows uint64_t
    BOOST_FOREACH(auto& dt, dsts) //copies all the contents from dsts to dt by reference temporarily for each interation of loop.
//BOOST_FOREACH(auto& <variable>, <sequence>)
    {
      THROW_WALLET_EXCEPTION_IF(0 == dt.amount, error::zero_destination);
      needed_money += dt.amount; //sum up each of the amounts of each address/amount pair
      THROW_WALLET_EXCEPTION_IF(needed_money < dt.amount, error::tx_sum_overflow, dsts, fee, m_testnet);
    }

    // randomly select inputs for transaction
    // throw if requested send amount is greater than amount available to send
    std::list<transfer_container::iterator> selected_transfers;
    uint64_t found_money = select_transfers(needed_money, 0 == fake_outputs_count, dust_policy.dust_threshold, selected_transfers); //get found money based on existing inputs (reg & dust) - get input indices also
    THROW_WALLET_EXCEPTION_IF(found_money < needed_money, error::not_enough_money, found_money, needed_money - fee, fee);

    typedef COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry out_entry;
    typedef cryptonote::tx_source_entry::output_entry tx_output_entry;

    COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response daemon_resp = AUTO_VAL_INIT(daemon_resp);
    if(fake_outputs_count)
    {
      connect_to_daemon();
      THROW_WALLET_EXCEPTION_IF(!check_connection(), error::no_connection_to_daemon, "get_random_outs");
      uint64_t outs_count = fake_outputs_count + 1;
      std::vector<uint64_t> amounts;
      BOOST_FOREACH(transfer_container::iterator it, selected_transfers)
      {
        THROW_WALLET_EXCEPTION_IF(it->m_tx.vout.size() <= it->m_internal_output_index, error::wallet_internal_error,
          "m_internal_output_index = " + std::to_string(it->m_internal_output_index) +
          " is greater or equal to outputs count = " + std::to_string(it->m_tx.vout.size()));
        amounts.push_back(it->amount());
      }

      zframe_t *amounts_frame = zframe_new(&amounts[0], amounts.size() * sizeof(uint64_t));
      int rc = wap_client_random_outs(ipc_client, outs_count, &amounts_frame);

      uint64_t status = wap_client_status(ipc_client);
      THROW_WALLET_EXCEPTION_IF(status == IPC::STATUS_CORE_BUSY, error::daemon_busy, "getrandomouts");
      // TODO: Use a code to string mapping of errors
      THROW_WALLET_EXCEPTION_IF(status == IPC::STATUS_RANDOM_OUTS_FAILED, error::get_random_outs_error, "IPC::STATUS_RANDOM_OUTS_FAILED");
      THROW_WALLET_EXCEPTION_IF(status != IPC::STATUS_OK, error::get_random_outs_error, "!IPC:STATUS_OK");
  
      // Convert ZMQ response back into RPC response object.
      zframe_t *outputs_frame = wap_client_random_outputs(ipc_client);
      uint64_t frame_size = zframe_size(outputs_frame);
      char *frame_data = reinterpret_cast<char*>(zframe_data(outputs_frame));
      rapidjson::Document json;
      THROW_WALLET_EXCEPTION_IF(json.Parse(frame_data, frame_size).HasParseError(), error::get_random_outs_error, "Couldn't JSON parse random outputs.");
      for (rapidjson::SizeType i = 0; i < json["outputs"].Size(); i++) {
        COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount output;
        output.amount = json["outputs"][i]["amount"].GetInt64();
        for (rapidjson::SizeType j = 0; j < json["outputs"][i]["outs"].Size(); j++) {
          COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry entry;
          entry.global_amount_index = json["outputs"][i]["outs"][j]["global_amount_index"].GetInt64();
          std::string out_key(json["outputs"][i]["outs"][j]["out_key"].GetString(), json["outputs"][i]["outs"][j]["out_key"].GetStringLength());
          memcpy(entry.out_key.data, out_key.c_str(), 32);
          output.outs.push_back(entry);
        }
        daemon_resp.outs.push_back(output);
      }

      std::vector<COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount> scanty_outs;
      BOOST_FOREACH(COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& amount_outs, daemon_resp.outs)
      {
        if (amount_outs.outs.size() < fake_outputs_count)
        {
          scanty_outs.push_back(amount_outs);
        }
      }
      THROW_WALLET_EXCEPTION_IF(!scanty_outs.empty(), error::not_enough_outs_to_mix, scanty_outs, fake_outputs_count);
    }

    //prepare inputs
    size_t i = 0;
    std::vector<cryptonote::tx_source_entry> sources;
    BOOST_FOREACH(transfer_container::iterator it, selected_transfers)
    {
      sources.resize(sources.size()+1);
      cryptonote::tx_source_entry& src = sources.back();
      transfer_details& td = *it;
      src.amount = td.amount();
      //paste mixin transaction
      if(daemon_resp.outs.size())
      {
        daemon_resp.outs[i].outs.sort([](const out_entry& a, const out_entry& b){return a.global_amount_index < b.global_amount_index;});
        BOOST_FOREACH(out_entry& daemon_oe, daemon_resp.outs[i].outs)
        {
          if(td.m_global_output_index == daemon_oe.global_amount_index)
            continue;
          tx_output_entry oe;
          oe.first = daemon_oe.global_amount_index;
          oe.second = daemon_oe.out_key;
          src.outputs.push_back(oe);
          if(src.outputs.size() >= fake_outputs_count)
            break;
        }
      }

      //paste real transaction to the random index
      auto it_to_insert = std::find_if(src.outputs.begin(), src.outputs.end(), [&](const tx_output_entry& a)
      {
        return a.first >= td.m_global_output_index;
      });
      //size_t real_index = src.outputs.size() ? (rand() % src.outputs.size() ):0;
      tx_output_entry real_oe;
      real_oe.first = td.m_global_output_index;
      real_oe.second = boost::get<txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key;
      auto interted_it = src.outputs.insert(it_to_insert, real_oe);
      src.real_out_tx_key = get_tx_pub_key_from_extra(td.m_tx);
      src.real_output = interted_it - src.outputs.begin();
      src.real_output_in_tx_index = td.m_internal_output_index;
      detail::print_source_entry(src);
      ++i;
    }

    cryptonote::tx_destination_entry change_dts = AUTO_VAL_INIT(change_dts);
    if (needed_money < found_money)
    {
      change_dts.addr = m_account.get_keys().m_account_address;
      change_dts.amount = found_money - needed_money;
    }

    uint64_t dust = 0;
    std::vector<cryptonote::tx_destination_entry> splitted_dsts;
    destination_split_strategy(dsts, change_dts, dust_policy.dust_threshold, splitted_dsts, dust);
    THROW_WALLET_EXCEPTION_IF(dust_policy.dust_threshold < dust, error::wallet_internal_error, "invalid dust value: dust = " +
      std::to_string(dust) + ", dust_threshold = " + std::to_string(dust_policy.dust_threshold));
    if (0 != dust && !dust_policy.add_to_fee)
    {
      splitted_dsts.push_back(cryptonote::tx_destination_entry(dust, dust_policy.addr_for_dust));
    }

    crypto::secret_key tx_key;
    bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key);
    THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time, m_testnet);
    THROW_WALLET_EXCEPTION_IF(m_upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, m_upper_transaction_size_limit);

    std::string key_images;
    bool all_are_txin_to_key = std::all_of(tx.vin.begin(), tx.vin.end(), [&](const txin_v& s_e) -> bool
    {
      CHECKED_GET_SPECIFIC_VARIANT(s_e, const txin_to_key, in, false);
      key_images += boost::to_string(in.k_image) + " ";
      return true;
    });
    THROW_WALLET_EXCEPTION_IF(!all_are_txin_to_key, error::unexpected_txin_type, tx);

    ptx.key_images = key_images;
    ptx.fee = fee;
    ptx.dust = dust;
    ptx.tx = tx;
    ptx.change_dts = change_dts;
    ptx.selected_transfers = selected_transfers;
    ptx.tx_key = tx_key;
  }

select_transfers(needed_money, 0 == fake_outputs_count, dust_policy.dust_threshold, selected_transfers);

uint64_t wallet2::select_transfers(uint64_t needed_money, bool add_dust, uint64_t dust, std::list<transfer_container::iterator>& selected_transfers)
{
  std::vector<size_t> unused_transfers_indices;
  std::vector<size_t> unused_dust_indices;

  // aggregate sources available for transfers (by storing the indices that are unspent) in OUR wallet
  // if dust needed, take dust from only one source (so require source has at least dust amount)
  for (size_t i = 0; i < m_transfers.size(); ++i) //m_transfers delared in wallet2.h and of type "transfer_container"  <---std::vector<transfer_details> type
  {
    const transfer_details& td = m_transfers[i]; //"transfer_details" struct
    if (!td.m_spent && is_transfer_unlocked(td)) //has following members
    { //uint64_t m_block_height
      if (dust < td.amount()) //cryptonote::transaction m_tx
        unused_transfers_indices.push_back(i); //size_t m_internal_output_index
      else //uint64_t m_global_output_index
        unused_dust_indices.push_back(i); // bool m_spent;
    } //crypto::key_image m_key_image;/TODO: key_image stored twice :(
  } //uint64_t amount() const { return m_tx.vout[m_internal_output_index].amount; }

  bool select_one_dust = add_dust && !unused_dust_indices.empty();
  uint64_t found_money = 0;
  while (found_money < needed_money && (!unused_transfers_indices.empty() || !unused_dust_indices.empty())) //keep iterating through inputs until enough money has been found (or we run out of inputs to look through)
  {
    size_t idx;
    if (select_one_dust)
    {
      idx = pop_random_value(unused_dust_indices); //choose one dust input amount by index
      select_one_dust = false;
    }
    else
    {
      idx = !unused_transfers_indices.empty() ? pop_random_value(unused_transfers_indices) : pop_random_value(unused_dust_indices); //get index from non dust inputs. If no more non dust then select index from dust inputs to use.
    }

    transfer_container::iterator it = m_transfers.begin() + idx;
    selected_transfers.push_back(it);
    found_money += it->amount(); //keep a running SUM of all the found money from inputs
  }

  return found_money;
}