Jaquee
7 years ago
parent
afb85a028f
commit
dbb838f4d0
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// Copyright (c) 2014-2017, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#include "unsigned_transaction.h"
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#include "wallet.h"
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#include "common_defines.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "cryptonote_core/cryptonote_basic_impl.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include <memory>
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#include <vector>
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#include <sstream>
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#include <boost/format.hpp>
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using namespace std;
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namespace Monero {
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UnsignedTransaction::~UnsignedTransaction() {}
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UnsignedTransactionImpl::UnsignedTransactionImpl(WalletImpl &wallet)
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: m_wallet(wallet)
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{
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m_status = Status_Ok;
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}
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UnsignedTransactionImpl::~UnsignedTransactionImpl()
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{
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LOG_PRINT_L3("Unsigned tx deleted");
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}
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int UnsignedTransactionImpl::status() const
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{
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return m_status;
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}
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string UnsignedTransactionImpl::errorString() const
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{
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return m_errorString;
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}
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bool UnsignedTransactionImpl::sign(const std::string &signedFileName)
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{
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if(m_wallet.watchOnly())
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{
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m_errorString = tr("This is a watch only wallet");
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m_status = Status_Error;
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return false;
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}
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std::vector<tools::wallet2::pending_tx> ptx;
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try
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{
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bool r = m_wallet.m_wallet->sign_tx(m_unsigned_tx_set, signedFileName, ptx);
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if (!r)
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{
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m_errorString = tr("Failed to sign transaction");
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m_status = Status_Error;
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return false;
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}
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}
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catch (const std::exception &e)
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{
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m_errorString = string(tr("Failed to sign transaction")) + e.what();
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m_status = Status_Error;
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return false;
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}
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return true;
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}
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//----------------------------------------------------------------------------------------------------
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bool UnsignedTransactionImpl::checkLoadedTx(const std::function<size_t()> get_num_txes, const std::function<const tools::wallet2::tx_construction_data&(size_t)> &get_tx, const std::string &extra_message)
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{
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// gather info to ask the user
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uint64_t amount = 0, amount_to_dests = 0, change = 0;
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size_t min_mixin = ~0;
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std::unordered_map<std::string, uint64_t> dests;
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const std::string wallet_address = m_wallet.m_wallet->get_account().get_public_address_str(m_wallet.m_wallet->testnet());
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for (size_t n = 0; n < get_num_txes(); ++n)
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{
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const tools::wallet2::tx_construction_data &cd = get_tx(n);
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for (size_t s = 0; s < cd.sources.size(); ++s)
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{
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amount += cd.sources[s].amount;
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size_t mixin = cd.sources[s].outputs.size() - 1;
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if (mixin < min_mixin)
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min_mixin = mixin;
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}
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for (size_t d = 0; d < cd.splitted_dsts.size(); ++d)
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{
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const cryptonote::tx_destination_entry &entry = cd.splitted_dsts[d];
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std::string address = get_account_address_as_str(m_wallet.m_wallet->testnet(), entry.addr);
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std::unordered_map<std::string,uint64_t>::iterator i = dests.find(address);
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if (i == dests.end())
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dests.insert(std::make_pair(address, entry.amount));
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else
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i->second += entry.amount;
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amount_to_dests += entry.amount;
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}
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if (cd.change_dts.amount > 0)
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{
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std::unordered_map<std::string, uint64_t>::iterator it = dests.find(get_account_address_as_str(m_wallet.m_wallet->testnet(), cd.change_dts.addr));
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if (it == dests.end())
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{
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m_status = Status_Error;
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m_errorString = tr("Claimed change does not go to a paid address");
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return false;
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}
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if (it->second < cd.change_dts.amount)
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{
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m_status = Status_Error;
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m_errorString = tr("Claimed change is larger than payment to the change address");
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return false;
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}
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if (memcmp(&cd.change_dts.addr, &get_tx(0).change_dts.addr, sizeof(cd.change_dts.addr)))
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{
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m_status = Status_Error;
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m_errorString = tr("Change does to more than one address");
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return false;
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}
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change += cd.change_dts.amount;
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it->second -= cd.change_dts.amount;
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if (it->second == 0)
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dests.erase(get_account_address_as_str(m_wallet.m_wallet->testnet(), cd.change_dts.addr));
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}
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}
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std::string dest_string;
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for (std::unordered_map<std::string, uint64_t>::const_iterator i = dests.begin(); i != dests.end(); )
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{
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dest_string += (boost::format(tr("sending %s to %s")) % cryptonote::print_money(i->second) % i->first).str();
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++i;
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if (i != dests.end())
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dest_string += ", ";
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}
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if (dest_string.empty())
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dest_string = tr("with no destinations");
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std::string change_string;
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if (change > 0)
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{
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std::string address = get_account_address_as_str(m_wallet.m_wallet->testnet(), get_tx(0).change_dts.addr);
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change_string += (boost::format(tr("%s change to %s")) % cryptonote::print_money(change) % address).str();
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}
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else
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change_string += tr("no change");
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uint64_t fee = amount - amount_to_dests;
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m_confirmationMessage = (boost::format(tr("Loaded %lu transactions, for %s, fee %s, %s, %s, with min mixin %lu. %s")) % (unsigned long)get_num_txes() % cryptonote::print_money(amount) % cryptonote::print_money(fee) % dest_string % change_string % (unsigned long)min_mixin % extra_message).str();
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return true;
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}
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std::vector<uint64_t> UnsignedTransactionImpl::amount() const
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{
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std::vector<uint64_t> result;
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for (const auto &utx : m_unsigned_tx_set.txes) {
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for (const auto &unsigned_dest : utx.dests) {
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result.push_back(unsigned_dest.amount);
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}
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}
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return result;
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}
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std::vector<uint64_t> UnsignedTransactionImpl::fee() const
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{
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std::vector<uint64_t> result;
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for (const auto &utx : m_unsigned_tx_set.txes) {
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uint64_t fee = 0;
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for (const auto &i: utx.sources) fee += i.amount;
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for (const auto &i: utx.splitted_dsts) fee -= i.amount;
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result.push_back(fee);
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}
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return result;
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}
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std::vector<uint64_t> UnsignedTransactionImpl::mixin() const
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{
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std::vector<uint64_t> result;
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for (const auto &utx: m_unsigned_tx_set.txes) {
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size_t min_mixin = ~0;
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// TODO: Is this loop needed or is sources[0] ?
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for (size_t s = 0; s < utx.sources.size(); ++s) {
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size_t mixin = utx.sources[s].outputs.size() - 1;
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if (mixin < min_mixin)
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min_mixin = mixin;
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}
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result.push_back(min_mixin);
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}
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return result;
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}
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uint64_t UnsignedTransactionImpl::txCount() const
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{
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return m_unsigned_tx_set.txes.size();
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}
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std::vector<std::string> UnsignedTransactionImpl::paymentId() const
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{
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std::vector<string> result;
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for (const auto &utx: m_unsigned_tx_set.txes) {
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crypto::hash payment_id = cryptonote::null_hash;
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cryptonote::tx_extra_nonce extra_nonce;
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std::vector<cryptonote::tx_extra_field> tx_extra_fields;
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cryptonote::parse_tx_extra(utx.extra, tx_extra_fields);
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if (cryptonote::find_tx_extra_field_by_type(tx_extra_fields, extra_nonce))
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{
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crypto::hash8 payment_id8 = cryptonote::null_hash8;
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if(cryptonote::get_encrypted_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id8))
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{
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// We can't decrypt short pid without recipient key.
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memcpy(payment_id.data, payment_id8.data, 8);
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}
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else if (!cryptonote::get_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id))
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{
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payment_id = cryptonote::null_hash;
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}
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}
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if(payment_id != cryptonote::null_hash)
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result.push_back(epee::string_tools::pod_to_hex(payment_id));
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else
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result.push_back("");
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}
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return result;
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}
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std::vector<std::string> UnsignedTransactionImpl::recipientAddress() const
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{
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// TODO: return integrated address if short payment ID exists
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std::vector<string> result;
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for (const auto &utx: m_unsigned_tx_set.txes) {
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result.push_back(cryptonote::get_account_address_as_str(m_wallet.m_wallet->testnet(), utx.dests[0].addr));
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}
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return result;
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}
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uint64_t UnsignedTransactionImpl::minMixinCount() const
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{
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uint64_t min_mixin = ~0;
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for (const auto &utx: m_unsigned_tx_set.txes) {
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for (size_t s = 0; s < utx.sources.size(); ++s) {
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size_t mixin = utx.sources[s].outputs.size() - 1;
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if (mixin < min_mixin)
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min_mixin = mixin;
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}
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}
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return min_mixin;
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}
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} // namespace
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namespace Bitmonero = Monero;
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@ -0,0 +1,76 @@
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// Copyright (c) 2014-2016, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#include "wallet/wallet2_api.h"
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#include "wallet/wallet2.h"
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#include <string>
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#include <vector>
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namespace Monero {
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class WalletImpl;
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class UnsignedTransactionImpl : public UnsignedTransaction
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{
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public:
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UnsignedTransactionImpl(WalletImpl &wallet);
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~UnsignedTransactionImpl();
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int status() const;
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std::string errorString() const;
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std::vector<uint64_t> amount() const;
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std::vector<uint64_t> dust() const;
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std::vector<uint64_t> fee() const;
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std::vector<uint64_t> mixin() const;
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std::vector<std::string> paymentId() const;
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std::vector<std::string> recipientAddress() const;
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uint64_t txCount() const;
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// sign txs and save to file
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bool sign(const std::string &signedFileName);
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std::string confirmationMessage() const {return m_confirmationMessage;}
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uint64_t minMixinCount() const;
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private:
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// Callback function to check all loaded tx's and generate confirmationMessage
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bool checkLoadedTx(const std::function<size_t()> get_num_txes, const std::function<const tools::wallet2::tx_construction_data&(size_t)> &get_tx, const std::string &extra_message);
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friend class WalletImpl;
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WalletImpl &m_wallet;
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int m_status;
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std::string m_errorString;
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tools::wallet2::unsigned_tx_set m_unsigned_tx_set;
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std::string m_confirmationMessage;
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};
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}
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namespace Bitmonero = Monero;
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