moved all stuff to github

1 files changed, 595 insertions, 0 deletions

diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
new file mode 100644
index 000000000..aa4e2f518
--- /dev/null
+++ b/src/wallet/wallet2.cpp
@@ -0,0 +1,595 @@
+// Copyright (c) 2012-2013 The Cryptonote developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+
+#include <boost/archive/binary_oarchive.hpp>
+#include <boost/archive/binary_iarchive.hpp>
+
+#include <boost/utility/value_init.hpp>
+#include "include_base_utils.h"
+using namespace epee;
+
+#include "wallet2.h"
+#include "cryptonote_core/cryptonote_format_utils.h"
+#include "rpc/core_rpc_server_commands_defs.h"
+#include "misc_language.h"
+#include "cryptonote_core/cryptonote_basic_impl.h"
+#include "common/boost_serialization_helper.h"
+#include "profile_tools.h"
+#include "crypto/crypto.h"
+#include "serialization/binary_utils.h"
+
+using namespace cryptonote;
+
+namespace tools
+{
+//----------------------------------------------------------------------------------------------------
+bool wallet2::init(const std::string& daemon_address, uint64_t upper_transaction_size_limit)
+{
+  m_upper_transaction_size_limit = upper_transaction_size_limit;
+  m_daemon_address = daemon_address;
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::process_new_transaction(cryptonote::transaction& tx, uint64_t height)
+{
+  std::vector<size_t> outs;
+  uint64_t tx_money_got_in_outs = 0;
+  crypto::public_key tx_pub_key = null_pkey;
+  bool r = parse_and_validate_tx_extra(tx, tx_pub_key);
+  CHECK_AND_ASSERT_MES(r && tx_pub_key != null_pkey, false, "process_new_transaction failed.");
+  r = lookup_acc_outs(m_account.get_keys(), tx, tx_pub_key, outs, tx_money_got_in_outs);
+  CHECK_AND_ASSERT_MES(r, false, "call lookup_acc_outs failed");
+  if(outs.size() && tx_money_got_in_outs)
+  {
+    //good news - got money! take care about it
+    //usually we have only one transfer for user in transaction
+    cryptonote::COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::request req = AUTO_VAL_INIT(req);
+    cryptonote::COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::response res = AUTO_VAL_INIT(res);
+    req.txid = get_transaction_hash(tx);
+    bool r = net_utils::invoke_http_bin_remote_command2(m_daemon_address + "/get_o_indexes.bin", req, res, m_http_client, WALLET_RCP_CONNECTION_TIMEOUT);
+    CHECK_AND_ASSERT_MES(r, false, "failed to get_o_indexes.bin");
+    if(res.status != CORE_RPC_STATUS_OK)
+      return false;// in case of split while lookup_acc_outs, transaction could be lost (especially if it is coinbase tx)
+    CHECK_AND_ASSERT_MES(res.o_indexes.size() == tx.vout.size(), false, "internal error: transactions outputs size=" << tx.vout.size()
+                                                  << " not match with COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES response size=" << res.o_indexes.size());
+
+    BOOST_FOREACH(size_t o, outs)
+    {
+      CHECK_AND_ASSERT_MES(o < tx.vout.size(), false, "wrong out in transaction: internal index=" << o << ", total_outs" << tx.vout.size());
+      m_transfers.push_back(boost::value_initialized<transfer_details>());
+      transfer_details& td = m_transfers.back();
+      td.m_block_height = height;
+      td.m_internal_output_index = o;
+      td.m_global_output_index = res.o_indexes[o];
+      td.m_tx = tx;
+      td.m_spent = false;
+      cryptonote::keypair in_ephemeral;
+      cryptonote::generate_key_image_helper(m_account.get_keys(), tx_pub_key, o, in_ephemeral, td.m_key_image);
+      CHECK_AND_ASSERT_MES(in_ephemeral.pub == boost::get<cryptonote::txout_to_key>(tx.vout[o].target).key,
+                                    false, "internal error: at key_image generating ephemeral public key not matched with output_key");
+      m_key_images[td.m_key_image] = m_transfers.size()-1;
+      LOG_PRINT_L1("Received money: " << print_money(td.amount()) << ", with tx: " << get_transaction_hash(tx));
+    }
+  }
+  // check all outputs for spending (compare key images)
+  BOOST_FOREACH(auto& in, tx.vin)
+  {
+    if(in.type() != typeid(cryptonote::txin_to_key))
+      continue;
+    auto it = m_key_images.find(boost::get<cryptonote::txin_to_key>(in).k_image);
+    if(it != m_key_images.end())
+    {
+      LOG_PRINT_L1("Spent money: " << print_money(boost::get<cryptonote::txin_to_key>(in).amount) << ", with tx: " << get_transaction_hash(tx));
+      m_transfers[it->second].m_spent = true;
+    }
+  }
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::process_new_blockchain_entry(cryptonote::block& b, cryptonote::block_complete_entry& bche, crypto::hash& bl_id, uint64_t height)
+{
+  //handle transactions from new block
+  CHECK_AND_ASSERT_MES(height == m_blockchain.size(), false, "internal error: current_index=" << height << ", m_blockchain.size()=" << m_blockchain.size());
+  //optimization: seeking only for blocks that are not older then the wallet creation time plus 1 day. 1 day is for possible user incorrect time setup
+  if(b.timestamp + 60*60*24 > m_account.get_createtime())
+  {
+    TIME_MEASURE_START(miner_tx_handle_time);
+    bool r = process_new_transaction(b.miner_tx, height);
+    TIME_MEASURE_FINISH(miner_tx_handle_time);
+    CHECK_AND_NO_ASSERT_MES(r, false, "failed to process transaction");
+
+    TIME_MEASURE_START(txs_handle_time);
+    BOOST_FOREACH(auto& txblob, bche.txs)
+    {
+      cryptonote::transaction tx;
+      r = parse_and_validate_tx_from_blob(txblob, tx);
+      CHECK_AND_ASSERT_MES(r, false, "failed to parse and validate transaction from blob");
+      r = process_new_transaction(tx, height);
+      CHECK_AND_ASSERT_MES(r, false, "failed to process transaction");
+    }
+    TIME_MEASURE_FINISH(txs_handle_time);
+    LOG_PRINT_L2("Processed block: " << bl_id << ", height " << height << ", " <<  miner_tx_handle_time + txs_handle_time << "(" << miner_tx_handle_time << "/" << txs_handle_time <<")ms");
+  }else
+  {
+    LOG_PRINT_L2( "Skipped block by timestamp, height: " << height << ", block time " << b.timestamp << ", account time " << m_account.get_createtime());
+  }
+  m_blockchain.push_back(bl_id);
+  ++m_local_bc_height;
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::get_short_chain_history(std::list<crypto::hash>& ids)
+{
+  size_t i = 0;
+  size_t current_multiplier = 1;
+  size_t sz = m_blockchain.size();
+  if(!sz)
+    return true;
+  size_t current_back_offset = 1;
+  bool genesis_included = false;
+  while(current_back_offset < sz)
+  {
+    ids.push_back(m_blockchain[sz-current_back_offset]);
+    if(sz-current_back_offset == 0)
+      genesis_included = true;
+    if(i < 10)
+    {
+      ++current_back_offset;
+    }else
+    {
+      current_back_offset += current_multiplier *= 2;
+    }
+    ++i;
+  }
+  if(!genesis_included)
+    ids.push_back(m_blockchain[0]);
+
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::pull_blocks(size_t& blocks_added)
+{
+  blocks_added = 0;
+  cryptonote::COMMAND_RPC_GET_BLOCKS_FAST::request req = AUTO_VAL_INIT(req);
+  cryptonote::COMMAND_RPC_GET_BLOCKS_FAST::response res = AUTO_VAL_INIT(res);
+  get_short_chain_history(req.block_ids);
+  bool r = net_utils::invoke_http_bin_remote_command2(m_daemon_address + "/getblocks.bin", req, res, m_http_client, WALLET_RCP_CONNECTION_TIMEOUT);
+  CHECK_AND_ASSERT_MES(r, false, "failed to get blocks");
+  CHECK_AND_ASSERT_MES(res.status == CORE_RPC_STATUS_OK, false, "failed to get blocks");
+
+  //find split position, if split happened
+
+  CHECK_AND_ASSERT_MES(res.start_height < m_blockchain.size(), false, "wrong daemon response: m_start_height="
+    << res.start_height << " not less than local blockchain size=" << m_blockchain.size());
+
+  size_t current_index = res.start_height;
+  BOOST_FOREACH(auto& bl_entry, res.blocks)
+  {
+    cryptonote::block bl;
+    r = cryptonote::parse_and_validate_block_from_blob(bl_entry.block, bl);
+    CHECK_AND_ASSERT_MES(r, false, "failed to parse/validate block");
+    crypto::hash bl_id = get_block_hash(bl);
+    if(current_index >= m_blockchain.size())
+    {
+      r = process_new_blockchain_entry(bl, bl_entry, bl_id, current_index);
+      if(!r) return false;
+      ++blocks_added;
+    }else
+    {
+      if(bl_id != m_blockchain[current_index])
+      {
+        //split detected here !!!
+        CHECK_AND_ASSERT_MES(current_index != res.start_height, false, "wrong daemon response: first block in response " << string_tools::pod_to_hex(bl_id)
+          << "\nnot match with local block id " << string_tools::pod_to_hex(m_blockchain[current_index]));
+        detach_blockchain(current_index);
+        r = process_new_blockchain_entry(bl, bl_entry, bl_id, current_index);
+        if(!r) return false;
+
+      }
+    }
+    ++current_index;
+  }
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::refresh()
+{
+  size_t blocks_fetched = 0;
+  return refresh(blocks_fetched);
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::refresh(size_t & blocks_fetched)
+{
+  bool received_money = false;
+  return refresh(blocks_fetched, received_money);
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::refresh(size_t & blocks_fetched, bool& received_money)
+{
+  received_money = false;
+  blocks_fetched = 0;
+  size_t added_blocks = 0;
+  size_t try_count = 0;
+  crypto::hash last_tx_hash_id = m_transfers.size() ? get_transaction_hash(m_transfers.back().m_tx) : null_hash;
+
+  while(true)
+  {
+    bool res = pull_blocks(added_blocks);
+    if(!res)
+    {
+      if(try_count < 3)
+      {
+        LOG_PRINT_L0("Another try pull_blocks(try_count=" << try_count << ")...");
+        ++try_count;
+        continue;
+      }else
+      {
+        LOG_PRINT_L0("pull_blocks failed, try_count=" << try_count);
+        return false;
+      }
+    }
+    blocks_fetched+=added_blocks;
+
+    if(!added_blocks)
+      break;
+  }
+  if(last_tx_hash_id != (m_transfers.size() ? get_transaction_hash(m_transfers.back().m_tx) : null_hash))
+    received_money = true;
+
+  LOG_PRINT_L2( "Refresh done, blocks received: " << blocks_fetched << ", balance: " << print_money(balance()) << ", unlocked: " << print_money(unlocked_balance()));
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::detach_blockchain(uint64_t height)
+{
+  LOG_PRINT_L0("Detaching blockchain on height " << height);
+  size_t transfers_detached = 0;
+
+  auto it = std::find_if(m_transfers.begin(), m_transfers.end(), [&](const transfer_details& td){return td.m_block_height >= height;});
+  size_t i_start = it - m_transfers.begin();
+
+  for(size_t i = i_start; i!= m_transfers.size();i++)
+  {
+    auto it_ki = m_key_images.find(m_transfers[i].m_key_image);
+    CHECK_AND_ASSERT_MES(it_ki != m_key_images.end(), false, "key image not found");
+    m_key_images.erase(it_ki);
+    ++transfers_detached;
+  }
+  m_transfers.erase(it, m_transfers.end());
+
+  size_t blocks_detached = m_blockchain.end() - (m_blockchain.begin()+height);
+  m_blockchain.erase(m_blockchain.begin()+height, m_blockchain.end());
+  m_local_bc_height -= blocks_detached;
+
+  LOG_PRINT_L0("Detached blockchain on height " << height << ", transfers detached " << transfers_detached << ", blocks detached " << blocks_detached);
+
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::deinit()
+{
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::clear()
+{
+  m_blockchain.clear();
+  m_transfers.clear();
+  cryptonote::block b;
+  cryptonote::generate_genesis_block(b);
+  m_blockchain.push_back(get_block_hash(b));
+  m_local_bc_height = 1;
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::store_keys(const std::string& keys_file_name, const std::string& password)
+{
+  std::string account_data;
+  bool r = epee::serialization::store_t_to_binary(m_account, account_data);
+  CHECK_AND_ASSERT_MES(r, false, "failed to serialize wallet keys");
+  wallet2::keys_file_data keys_file_data = boost::value_initialized<wallet2::keys_file_data>();
+
+  crypto::chacha8_key key;
+  crypto::generate_chacha8_key(password, key);
+  std::string cipher;
+  cipher.resize(account_data.size());
+  keys_file_data.iv = crypto::rand<crypto::chacha8_iv>();
+  crypto::chacha8(account_data.data(), account_data.size(), key, keys_file_data.iv, &cipher[0]);
+  keys_file_data.account_data = cipher;
+
+  std::string buf;
+  r = ::serialization::dump_binary(keys_file_data, buf);
+  r = r && epee::file_io_utils::save_string_to_file(keys_file_name, buf); //and never touch wallet_keys_file again, only read
+  CHECK_AND_ASSERT_MES(r, false, "failed to generate wallet keys file " << keys_file_name);
+
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+namespace
+{
+  bool verify_keys(const crypto::secret_key& sec, const crypto::public_key& expected_pub)
+  {
+    crypto::public_key pub;
+    bool r = crypto::secret_key_to_public_key(sec, pub);
+    return r && expected_pub == pub;
+  }
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::load_keys(const std::string& keys_file_name, const std::string& password)
+{
+  wallet2::keys_file_data keys_file_data;
+  std::string buf;
+  bool r = epee::file_io_utils::load_file_to_string(keys_file_name, buf);
+  r &= ::serialization::parse_binary(buf, keys_file_data);
+  CHECK_AND_ASSERT_MES(r, false, "failed to load wallet keys file: " << keys_file_name);
+
+  crypto::chacha8_key key;
+  crypto::generate_chacha8_key(password, key);
+  std::string account_data;
+  account_data.resize(keys_file_data.account_data.size());
+  crypto::chacha8(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
+
+  const cryptonote::account_keys& keys = m_account.get_keys();
+  r = epee::serialization::load_t_from_binary(m_account, account_data);
+  r = r && verify_keys(keys.m_view_secret_key,  keys.m_account_address.m_view_public_key);
+  r = r && verify_keys(keys.m_spend_secret_key, keys.m_account_address.m_spend_public_key);
+  if (!r)
+  {
+    LOG_ERROR("invalid password");
+    return false;
+  }
+
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::generate(const std::string& wallet_, const std::string& password)
+{
+  clear();
+  prepare_file_names(wallet_);
+  boost::system::error_code e;
+  if(boost::filesystem::exists(m_wallet_file, e) || boost::filesystem::exists(m_keys_file, e))
+  {
+    LOG_PRINT_RED_L0("failed to generate wallet, file already exist or wrong path: " << wallet_);
+    return false;
+  }
+
+  m_account.generate();
+  m_account_public_address = m_account.get_keys().m_account_address;
+
+  bool r = store_keys(m_keys_file, password);
+  CHECK_AND_ASSERT_MES(r, false, "Failed to store wallet key files!");
+  r = file_io_utils::save_string_to_file(m_wallet_file + ".address.txt", m_account.get_public_address_str());
+  if(!r) LOG_PRINT_RED_L0("String with address text not saved");
+  return store();
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::prepare_file_names(const std::string& file_path)
+{
+  m_keys_file = file_path;
+  m_wallet_file = file_path;
+  boost::system::error_code e;
+  if(string_tools::get_extension(m_keys_file) == "keys")
+  {//provided keys file name
+    m_wallet_file = string_tools::cut_off_extension(m_wallet_file);
+  }else
+  {//provided wallet file name
+    m_keys_file += ".keys";
+  }
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::check_connection()
+{
+  if(m_http_client.is_connected())
+    return true;
+
+  net_utils::http::url_content u;
+  net_utils::parse_url(m_daemon_address, u);
+  if(!u.port)
+    u.port = 8081;  
+  return m_http_client.connect(u.host, std::to_string(u.port), WALLET_RCP_CONNECTION_TIMEOUT);
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::load(const std::string& wallet_, const std::string& password)
+{
+  clear();
+  prepare_file_names(wallet_);
+  boost::system::error_code e;
+  if(!boost::filesystem::exists(m_keys_file, e) || e)
+  {
+    LOG_PRINT_L0("file not found: " << m_keys_file);
+    return false;
+  }
+
+  bool r = load_keys(m_keys_file, password);
+  if (!r)
+    return false;
+
+  LOG_PRINT_L0("Loaded wallet keys file, with public address: " << m_account.get_public_address_str());
+  //keys loaded ok!
+  //try to load wallet file. but even if we failed, it is not big problem
+  if(!boost::filesystem::exists(m_wallet_file, e) || e)
+  {
+    LOG_PRINT_L0("file not found: " << m_wallet_file << ", starting with empty blockchain");
+    m_account_public_address = m_account.get_keys().m_account_address;
+    return true;
+  }
+  r = tools::unserialize_obj_from_file(*this, m_wallet_file);
+  CHECK_AND_ASSERT_MES(r, false, "failed to load wallet from file " << m_wallet_file);
+  CHECK_AND_ASSERT_MES(m_account_public_address.m_spend_public_key == m_account.get_keys().m_account_address.m_spend_public_key &&
+                       m_account_public_address.m_view_public_key == m_account.get_keys().m_account_address.m_view_public_key,
+                       false, "addresses of wallet keys file and wallet data file are mismatched");
+  if(!m_blockchain.size())
+  {
+    cryptonote::block b;
+    cryptonote::generate_genesis_block(b);
+    m_blockchain.push_back(get_block_hash(b));
+  }
+  m_local_bc_height = m_blockchain.size();
+
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::store()
+{
+  bool r = tools::serialize_obj_to_file(*this, m_wallet_file);
+  CHECK_AND_ASSERT_MES(r, false, "failed to save wallet to file " << m_wallet_file);
+  return r;
+}
+//----------------------------------------------------------------------------------------------------
+void wallet2::show_incoming_transfers()
+{
+  uint64_t amount = 0;
+  if(!m_transfers.size())
+  {
+    LOG_PRINT_L0("No incoming transfers");
+    return;
+  }
+  BOOST_FOREACH(transfer_details& td, m_transfers)
+  {
+    LOG_PRINT_L0("transfer: " << print_money(td.amount())
+                                    << ", spent: " << td.m_spent
+                                    << ", global_index: " << td.m_global_output_index
+                                    << ", tx_id: " << get_transaction_hash(td.m_tx));
+    if(!td.m_spent)
+      amount += td.amount();
+  }
+}
+//----------------------------------------------------------------------------------------------------
+uint64_t wallet2::unlocked_balance()
+{
+  uint64_t amount = 0;
+  BOOST_FOREACH(transfer_details& td, m_transfers)
+    if(!td.m_spent && is_transfer_unlocked(td))
+      amount += td.amount();
+
+  return amount;
+}
+//----------------------------------------------------------------------------------------------------
+uint64_t wallet2::balance()
+{
+  uint64_t amount = 0;
+  BOOST_FOREACH(auto& td, m_transfers)
+    if(!td.m_spent)
+      amount += td.amount();
+
+  return amount;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::get_transfers(wallet2::transfer_container& incoming_transfers)
+{
+  incoming_transfers = m_transfers;
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::is_transfer_unlocked(const transfer_details& td) const
+{
+  if(!is_tx_spendtime_unlocked(td.m_tx.unlock_time))
+    return false;
+
+  if(td.m_block_height + DEFAULT_TX_SPENDABLE_AGE > m_blockchain.size())
+    return false;
+
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::is_tx_spendtime_unlocked(uint64_t unlock_time) const
+{
+  if(unlock_time < CRYPTONOTE_MAX_BLOCK_NUMBER)
+  {
+    //interpret as block index
+    if(m_blockchain.size()-1 + CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_BLOCKS >= unlock_time)
+      return true;
+    else
+      return false;
+  }else
+  {
+    //interpret as time
+    uint64_t current_time = static_cast<uint64_t>(time(NULL));
+    if(current_time + CRYPTONOTE_LOCKED_TX_ALLOWED_DELTA_SECONDS >= unlock_time)
+      return true;
+    else
+      return false;
+  }
+  return false;
+}
+//----------------------------------------------------------------------------------------------------
+namespace
+{
+  template<typename T>
+  T pop_random_value(std::vector<T>& vec)
+  {
+    CHECK_AND_ASSERT_MES(!vec.empty(), T(), "Vector must be non-empty");
+
+    size_t idx = crypto::rand<size_t>() % vec.size();
+    T res = vec[idx];
+    if (idx + 1 != vec.size())
+    {
+      vec[idx] = vec.back();
+    }
+    vec.resize(vec.size() - 1);
+
+    return res;
+  }
+}
+//----------------------------------------------------------------------------------------------------
+uint64_t wallet2::select_transfers(uint64_t needed_money, uint64_t dust, std::list<transfer_container::iterator>& selected_transfers)
+{
+  std::vector<size_t> unused_transfers_indices;
+  std::vector<size_t> unused_dust_indices;
+  for (size_t i = 0; i < m_transfers.size(); ++i)
+  {
+    const transfer_details& td = m_transfers[i];
+    if (!td.m_spent && is_transfer_unlocked(td))
+    {
+      if (dust < td.amount())
+        unused_transfers_indices.push_back(i);
+      else
+        unused_dust_indices.push_back(i);
+    }
+  }
+
+  bool at_least_one_dust_selected = unused_dust_indices.empty();
+  uint64_t found_money = 0;
+  while (found_money < needed_money && (!unused_transfers_indices.empty() || !unused_dust_indices.empty()))
+  {
+    size_t idx;
+    if (at_least_one_dust_selected)
+    {
+      idx = !unused_transfers_indices.empty() ? pop_random_value(unused_transfers_indices) : pop_random_value(unused_dust_indices);
+    }
+    else
+    {
+      idx = pop_random_value(unused_dust_indices);
+      at_least_one_dust_selected = true;
+    }
+
+    transfer_container::iterator it = m_transfers.begin() + idx;
+    selected_transfers.push_back(it);
+    found_money += it->amount();
+  }
+
+  return found_money;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
+  uint64_t unlock_time, uint64_t fee, cryptonote::transaction& tx)
+{
+  return transfer(dsts, fake_outputs_count, unlock_time, fee, detail::digit_split_strategy, tx_dust_policy(fee), tx);
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, cryptonote::transaction& tx, transafer_fail_details& tfd)
+{
+  return transfer(dsts, fake_outputs_count, unlock_time, fee, detail::digit_split_strategy, tx_dust_policy(fee), tx, tfd);
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
+                       uint64_t unlock_time, uint64_t fee)
+{
+  cryptonote::transaction tx;
+  return transfer(dsts, fake_outputs_count, unlock_time, fee, tx);
+}
+//----------------------------------------------------------------------------------------------------
+}