danicoin/src/wallet/wallet2_api.cpp

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// Copyright (c) 2014-2016, 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 "wallet2_api.h"
#include "wallet2.h"
#include "mnemonics/electrum-words.h"
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#include <memory>
namespace epee {
unsigned int g_test_dbg_lock_sleep = 0;
}
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namespace Bitmonero {
struct WalletManagerImpl;
namespace {
static WalletManagerImpl * g_walletManager = nullptr;
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}
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Wallet::~Wallet() {}
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///////////////////////// Wallet implementation ////////////////////////////////
class WalletImpl : public Wallet
{
public:
WalletImpl();
~WalletImpl();
bool create(const std::string &path, const std::string &password,
const std::string &language);
bool open(const std::string &path, const std::string &password);
bool recover(const std::string &path, const std::string &seed);
bool close();
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std::string seed() const;
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std::string getSeedLanguage() const;
void setSeedLanguage(const std::string &arg);
void setListener(Listener *) {}
int status() const;
std::string errorString() const;
bool setPassword(const std::string &password);
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std::string address() const;
bool store(const std::string &path);
private:
void clearStatus();
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private:
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//std::unique_ptr<tools::wallet2> m_wallet;
tools::wallet2 * m_wallet;
int m_status;
std::string m_errorString;
std::string m_password;
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};
WalletImpl::WalletImpl()
:m_wallet(nullptr), m_status(Wallet::Status_Ok)
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{
m_wallet = new tools::wallet2();
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}
WalletImpl::~WalletImpl()
{
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delete m_wallet;
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}
bool WalletImpl::create(const std::string &path, const std::string &password, const std::string &language)
{
clearStatus();
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bool keys_file_exists;
bool wallet_file_exists;
tools::wallet2::wallet_exists(path, keys_file_exists, wallet_file_exists);
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// TODO: figure out how to setup logger;
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LOG_PRINT_L3("wallet_path: " << path << "");
LOG_PRINT_L3("keys_file_exists: " << std::boolalpha << keys_file_exists << std::noboolalpha
<< " wallet_file_exists: " << std::boolalpha << wallet_file_exists << std::noboolalpha);
// add logic to error out if new wallet requested but named wallet file exists
if (keys_file_exists || wallet_file_exists) {
m_errorString = "attempting to generate or restore wallet, but specified file(s) exist. Exiting to not risk overwriting.";
LOG_ERROR(m_errorString);
m_status = Status_Error;
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return false;
}
// TODO: validate language
m_wallet->set_seed_language(language);
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crypto::secret_key recovery_val, secret_key;
try {
recovery_val = m_wallet->generate(path, password, secret_key, false, false);
m_password = password;
m_status = Status_Ok;
} catch (const std::exception &e) {
LOG_ERROR("Error creating wallet: " << e.what());
m_status = Status_Error;
m_errorString = e.what();
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return false;
}
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return true;
}
bool WalletImpl::open(const std::string &path, const std::string &password)
{
clearStatus();
try {
// TODO: handle "deprecated"
m_wallet->load(path, password);
m_password = password;
} catch (const std::exception &e) {
LOG_ERROR("Error opening wallet: " << e.what());
m_status = Status_Error;
m_errorString = e.what();
}
return m_status == Status_Ok;
}
bool WalletImpl::recover(const std::string &path, const std::string &seed)
{
clearStatus();
m_errorString.clear();
if (seed.empty()) {
m_errorString = "Electrum seed is empty";
LOG_ERROR(m_errorString);
m_status = Status_Error;
return false;
}
crypto::secret_key recovery_key;
std::string old_language;
if (!crypto::ElectrumWords::words_to_bytes(seed, recovery_key, old_language)) {
m_errorString = "Electrum-style word list failed verification";
m_status = Status_Error;
return false;
}
try {
m_wallet->set_seed_language(old_language);
m_wallet->generate(path, "", recovery_key, true, false);
// TODO: wallet->init(daemon_address);
} catch (const std::exception &e) {
m_status = Status_Error;
m_errorString = e.what();
}
return m_status == Status_Ok;
}
bool WalletImpl::close()
{
clearStatus();
bool result = false;
try {
m_wallet->store();
m_wallet->stop();
result = true;
} catch (const std::exception &e) {
m_status = Status_Error;
m_errorString = e.what();
LOG_ERROR("Error closing wallet: " << e.what());
}
return result;
}
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std::string WalletImpl::seed() const
{
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std::string seed;
if (m_wallet)
m_wallet->get_seed(seed);
return seed;
}
std::string WalletImpl::getSeedLanguage() const
{
return m_wallet->get_seed_language();
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}
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void WalletImpl::setSeedLanguage(const std::string &arg)
{
m_wallet->set_seed_language(arg);
}
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int WalletImpl::status() const
{
return m_status;
}
std::string WalletImpl::errorString() const
{
return m_errorString;
}
bool WalletImpl::setPassword(const std::string &password)
{
clearStatus();
try {
m_wallet->rewrite(m_wallet->get_wallet_file(), password);
m_password = password;
} catch (const std::exception &e) {
m_status = Status_Error;
m_errorString = e.what();
}
return m_status == Status_Ok;
}
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std::string WalletImpl::address() const
{
return m_wallet->get_account().get_public_address_str(m_wallet->testnet());
}
bool WalletImpl::store(const std::string &path)
{
clearStatus();
try {
if (path.empty()) {
m_wallet->store();
} else {
m_wallet->store_to(path, m_password);
}
} catch (const std::exception &e) {
LOG_ERROR("Error storing wallet: " << e.what());
m_status = Status_Error;
m_errorString = e.what();
}
return m_status == Status_Ok;
}
void WalletImpl::clearStatus()
{
m_status = Status_Ok;
m_errorString.clear();
}
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///////////////////////// WalletManager implementation /////////////////////////
class WalletManagerImpl : public WalletManager
{
public:
Wallet * createWallet(const std::string &path, const std::string &password,
const std::string &language);
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Wallet * openWallet(const std::string &path, const std::string &password);
virtual Wallet * recoveryWallet(const std::string &path, const std::string &memo);
virtual bool closeWallet(Wallet *wallet);
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bool walletExists(const std::string &path);
std::string errorString() const;
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private:
WalletManagerImpl() {}
friend struct WalletManagerFactory;
std::string m_errorString;
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};
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Wallet *WalletManagerImpl::createWallet(const std::string &path, const std::string &password,
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const std::string &language)
{
WalletImpl * wallet = new WalletImpl();
wallet->create(path, password, language);
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return wallet;
}
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Wallet *WalletManagerImpl::openWallet(const std::string &path, const std::string &password)
{
WalletImpl * wallet = new WalletImpl();
wallet->open(path, password);
return wallet;
}
Wallet *WalletManagerImpl::recoveryWallet(const std::string &path, const std::string &memo)
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{
WalletImpl * wallet = new WalletImpl();
wallet->recover(path, memo);
return wallet;
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}
bool WalletManagerImpl::closeWallet(Wallet *wallet)
{
WalletImpl * wallet_ = dynamic_cast<WalletImpl*>(wallet);
bool result = wallet_->close();
if (!result) {
m_errorString = wallet_->errorString();
} else {
delete wallet_;
}
return result;
}
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bool WalletManagerImpl::walletExists(const std::string &path)
{
return false;
}
std::string WalletManagerImpl::errorString() const
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{
return m_errorString;
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}
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///////////////////// WalletManagerFactory implementation //////////////////////
WalletManager *WalletManagerFactory::getWalletManager()
{
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if (!g_walletManager) {
epee::log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL, LOG_LEVEL_0);
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g_walletManager = new WalletManagerImpl();
}
return g_walletManager;
}
}