danicoin/src/wallet/api/wallet.cpp

703 lines
21 KiB
C++

// 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 "wallet.h"
#include "pending_transaction.h"
#include "transaction_history.h"
#include "common_defines.h"
#include "mnemonics/electrum-words.h"
#include <boost/format.hpp>
#include <sstream>
using namespace std;
using namespace cryptonote;
namespace Bitmonero {
namespace {
// copy-pasted from simplewallet
static const size_t DEFAULT_MIXIN = 4;
static const int DEFAULT_REFRESH_INTERVAL_SECONDS = 10;
}
struct Wallet2CallbackImpl : public tools::i_wallet2_callback
{
Wallet2CallbackImpl()
: m_listener(nullptr)
{
}
~Wallet2CallbackImpl()
{
}
void setListener(WalletListener * listener)
{
m_listener = listener;
}
WalletListener * getListener() const
{
return m_listener;
}
virtual void on_new_block(uint64_t height, const cryptonote::block& block)
{
// TODO;
LOG_PRINT_L3(__FUNCTION__ << ": new block. height: " << height);
}
virtual void on_money_received(uint64_t height, const cryptonote::transaction& tx, uint64_t amount)
{
std::string tx_hash = epee::string_tools::pod_to_hex(get_transaction_hash(tx));
LOG_PRINT_L3(__FUNCTION__ << ": money received. height: " << height
<< ", tx: " << tx_hash
<< ", amount: " << print_money(amount));
if (m_listener) {
m_listener->moneyReceived(tx_hash, amount);
m_listener->updated();
}
}
virtual void on_money_spent(uint64_t height, const cryptonote::transaction& in_tx, uint64_t amount,
const cryptonote::transaction& spend_tx)
{
// TODO;
std::string tx_hash = epee::string_tools::pod_to_hex(get_transaction_hash(spend_tx));
LOG_PRINT_L3(__FUNCTION__ << ": money spent. height: " << height
<< ", tx: " << tx_hash
<< ", amount: " << print_money(amount));
if (m_listener) {
m_listener->moneySpent(tx_hash, amount);
m_listener->updated();
}
}
virtual void on_skip_transaction(uint64_t height, const cryptonote::transaction& tx)
{
// TODO;
}
WalletListener * m_listener;
};
Wallet::~Wallet() {}
WalletListener::~WalletListener() {}
string Wallet::displayAmount(uint64_t amount)
{
return cryptonote::print_money(amount);
}
uint64_t Wallet::amountFromString(const string &amount)
{
uint64_t result = 0;
cryptonote::parse_amount(result, amount);
return result;
}
uint64_t Wallet::amountFromDouble(double amount)
{
std::stringstream ss;
ss << std::fixed << std::setprecision(CRYPTONOTE_DISPLAY_DECIMAL_POINT) << amount;
return amountFromString(ss.str());
}
std::string Wallet::genPaymentId()
{
crypto::hash8 payment_id = crypto::rand<crypto::hash8>();
return epee::string_tools::pod_to_hex(payment_id);
}
bool Wallet::paymentIdValid(const string &paiment_id)
{
crypto::hash8 pid;
return tools::wallet2::parse_short_payment_id(paiment_id, pid);
}
uint64_t Wallet::maximumAllowedAmount()
{
return std::numeric_limits<uint64_t>::max();
}
///////////////////////// WalletImpl implementation ////////////////////////
WalletImpl::WalletImpl(bool testnet)
:m_wallet(nullptr), m_status(Wallet::Status_Ok), m_trustedDaemon(false),
m_wallet2Callback(nullptr)
{
m_wallet = new tools::wallet2(testnet);
m_history = new TransactionHistoryImpl(this);
m_wallet2Callback = new Wallet2CallbackImpl;
m_wallet->callback(m_wallet2Callback);
m_refreshThreadDone = false;
m_refreshEnabled = false;
m_refreshIntervalSeconds = DEFAULT_REFRESH_INTERVAL_SECONDS;
m_refreshThread = std::thread([this] () {
this->refreshThreadFunc();
});
}
WalletImpl::~WalletImpl()
{
stopRefresh();
delete m_history;
delete m_wallet;
delete m_wallet2Callback;
}
bool WalletImpl::create(const std::string &path, const std::string &password, const std::string &language)
{
clearStatus();
bool keys_file_exists;
bool wallet_file_exists;
tools::wallet2::wallet_exists(path, keys_file_exists, wallet_file_exists);
// TODO: figure out how to setup logger;
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;
return false;
}
// TODO: validate language
m_wallet->set_seed_language(language);
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();
return false;
}
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()
{
bool result = false;
try {
// do not store wallet with invalid status
if (status() == Status_Ok)
m_wallet->store();
// LOG_PRINT_L0("wallet::store done");
// LOG_PRINT_L0("Calling wallet::stop...");
m_wallet->stop();
// LOG_PRINT_L0("wallet::stop done");
result = true;
clearStatus();
} catch (const std::exception &e) {
m_status = Status_Error;
m_errorString = e.what();
LOG_ERROR("Error closing wallet: " << e.what());
}
return result;
}
std::string WalletImpl::seed() const
{
std::string seed;
if (m_wallet)
m_wallet->get_seed(seed);
return seed;
}
std::string WalletImpl::getSeedLanguage() const
{
return m_wallet->get_seed_language();
}
void WalletImpl::setSeedLanguage(const std::string &arg)
{
m_wallet->set_seed_language(arg);
}
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;
}
std::string WalletImpl::address() const
{
return m_wallet->get_account().get_public_address_str(m_wallet->testnet());
}
std::string WalletImpl::integratedAddress(const std::string &payment_id) const
{
crypto::hash8 pid;
if (!tools::wallet2::parse_short_payment_id(payment_id, pid)) {
pid = crypto::rand<crypto::hash8>();
}
return m_wallet->get_account().get_public_integrated_address_str(pid, 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;
}
string WalletImpl::filename() const
{
return m_wallet->get_wallet_file();
}
string WalletImpl::keysFilename() const
{
return m_wallet->get_keys_file();
}
bool WalletImpl::init(const std::string &daemon_address, uint64_t upper_transaction_size_limit)
{
clearStatus();
m_wallet->init(daemon_address, upper_transaction_size_limit);
if (Utils::isAddressLocal(daemon_address)) {
this->setTrustedDaemon(true);
}
bool result = this->refresh();
// enabling background refresh thread
startRefresh();
return result;
}
void WalletImpl::initAsync(const string &daemon_address, uint64_t upper_transaction_size_limit)
{
clearStatus();
m_wallet->init(daemon_address, upper_transaction_size_limit);
if (Utils::isAddressLocal(daemon_address)) {
this->setTrustedDaemon(true);
}
startRefresh();
}
uint64_t WalletImpl::balance() const
{
return m_wallet->balance();
}
uint64_t WalletImpl::unlockedBalance() const
{
return m_wallet->unlocked_balance();
}
bool WalletImpl::refresh()
{
clearStatus();
doRefresh();
return m_status == Status_Ok;
}
void WalletImpl::refreshAsync()
{
LOG_PRINT_L3(__FUNCTION__ << ": Refreshing asyncronously..");
clearStatus();
m_refreshCV.notify_one();
}
// TODO:
// 1 - properly handle payment id (add another menthod with explicit 'payment_id' param)
// 2 - check / design how "Transaction" can be single interface
// (instead of few different data structures within wallet2 implementation:
// - pending_tx;
// - transfer_details;
// - payment_details;
// - unconfirmed_transfer_details;
// - confirmed_transfer_details)
PendingTransaction *WalletImpl::createTransaction(const string &dst_addr, const string &payment_id, uint64_t amount, uint32_t mixin_count,
PendingTransaction::Priority priority)
{
clearStatus();
vector<cryptonote::tx_destination_entry> dsts;
cryptonote::tx_destination_entry de;
// indicates if dst_addr is integrated address (address + payment_id)
bool has_payment_id;
crypto::hash8 payment_id_short;
// TODO: (https://bitcointalk.org/index.php?topic=753252.msg9985441#msg9985441)
size_t fake_outs_count = mixin_count > 0 ? mixin_count : m_wallet->default_mixin();
if (fake_outs_count == 0)
fake_outs_count = DEFAULT_MIXIN;
PendingTransactionImpl * transaction = new PendingTransactionImpl(*this);
do {
if(!cryptonote::get_account_integrated_address_from_str(de.addr, has_payment_id, payment_id_short, m_wallet->testnet(), dst_addr)) {
// TODO: copy-paste 'if treating as an address fails, try as url' from simplewallet.cpp:1982
m_status = Status_Error;
m_errorString = "Invalid destination address";
break;
}
std::vector<uint8_t> extra;
// if dst_addr is not an integrated address, parse payment_id
if (!has_payment_id && !payment_id.empty()) {
// copy-pasted from simplewallet.cpp:2212
crypto::hash payment_id_long;
bool r = tools::wallet2::parse_long_payment_id(payment_id, payment_id_long);
if (r) {
std::string extra_nonce;
cryptonote::set_payment_id_to_tx_extra_nonce(extra_nonce, payment_id_long);
r = add_extra_nonce_to_tx_extra(extra, extra_nonce);
} else {
r = tools::wallet2::parse_short_payment_id(payment_id, payment_id_short);
if (r) {
std::string extra_nonce;
set_encrypted_payment_id_to_tx_extra_nonce(extra_nonce, payment_id_short);
r = add_extra_nonce_to_tx_extra(extra, extra_nonce);
}
}
if (!r) {
m_status = Status_Error;
m_errorString = tr("payment id has invalid format, expected 16 or 64 character hex string: ") + payment_id;
break;
}
}
de.amount = amount;
if (de.amount <= 0) {
m_status = Status_Error;
m_errorString = "Invalid amount";
break;
}
dsts.push_back(de);
//std::vector<tools::wallet2::pending_tx> ptx_vector;
try {
// priority called "fee_multiplied in terms of underlying wallet interface
transaction->m_pending_tx = m_wallet->create_transactions_2(dsts, fake_outs_count, 0 /* unlock_time */,
static_cast<uint64_t>(priority),
extra, m_trustedDaemon);
} 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::wallet_rpc_error& e) {
m_errorString = tr("RPC error: ") + e.to_string();
m_status = Status_Error;
} catch (const tools::error::get_random_outs_error&) {
m_errorString = tr("failed to get random outputs to mix");
m_status = Status_Error;
} catch (const tools::error::not_enough_money& e) {
m_status = Status_Error;
std::ostringstream writer;
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());
m_errorString = writer.str();
} catch (const tools::error::not_enough_outs_to_mix& e) {
std::ostringstream writer;
writer << tr("not enough outputs for specified mixin_count") << " = " << e.mixin_count() << ":";
for (const std::pair<uint64_t, uint64_t> outs_for_amount : e.scanty_outs()) {
writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.first) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.second;
}
m_errorString = writer.str();
m_status = Status_Error;
} catch (const tools::error::tx_not_constructed&) {
m_errorString = tr("transaction was not constructed");
m_status = Status_Error;
} catch (const tools::error::tx_rejected& e) {
std::ostringstream writer;
writer << (boost::format(tr("transaction %s was rejected by daemon with status: ")) % get_transaction_hash(e.tx())) << e.status();
m_errorString = writer.str();
m_status = Status_Error;
} catch (const tools::error::tx_sum_overflow& e) {
m_errorString = e.what();
m_status = Status_Error;
} catch (const tools::error::zero_destination&) {
m_errorString = tr("one of destinations is zero");
m_status = Status_Error;
} catch (const tools::error::tx_too_big& e) {
m_errorString = tr("failed to find a suitable way to split transactions");
m_status = Status_Error;
} catch (const tools::error::transfer_error& e) {
m_errorString = string(tr("unknown transfer error: ")) + e.what();
m_status = Status_Error;
} catch (const tools::error::wallet_internal_error& e) {
m_errorString = string(tr("internal error: ")) + e.what();
m_status = Status_Error;
} catch (const std::exception& e) {
m_errorString = string(tr("unexpected error: ")) + e.what();
m_status = Status_Error;
} catch (...) {
m_errorString = tr("unknown error");
m_status = Status_Error;
}
} while (false);
transaction->m_status = m_status;
transaction->m_errorString = m_errorString;
return transaction;
}
void WalletImpl::disposeTransaction(PendingTransaction *t)
{
delete t;
}
TransactionHistory *WalletImpl::history() const
{
return m_history;
}
void WalletImpl::setListener(WalletListener *l)
{
// TODO thread synchronization;
m_wallet2Callback->setListener(l);
}
uint32_t WalletImpl::defaultMixin() const
{
return m_wallet->default_mixin();
}
void WalletImpl::setDefaultMixin(uint32_t arg)
{
m_wallet->default_mixin(arg);
}
bool WalletImpl::connectToDaemon()
{
bool result = m_wallet->check_connection();
m_status = result ? Status_Ok : Status_Error;
if (!result) {
m_errorString = "Error connecting to daemon at " + m_wallet->get_daemon_address();
} else {
// start refreshing here
}
return result;
}
bool WalletImpl::connected() const
{
return m_wallet->check_connection();
}
void WalletImpl::setTrustedDaemon(bool arg)
{
m_trustedDaemon = arg;
}
bool WalletImpl::trustedDaemon() const
{
return m_trustedDaemon;
}
void WalletImpl::clearStatus()
{
m_status = Status_Ok;
m_errorString.clear();
}
void WalletImpl::refreshThreadFunc()
{
LOG_PRINT_L3(__FUNCTION__ << ": starting refresh thread");
while (true) {
std::unique_lock<std::mutex> lock(m_refreshMutex);
if (m_refreshThreadDone) {
break;
}
LOG_PRINT_L3(__FUNCTION__ << ": waiting for refresh...");
m_refreshCV.wait_for(lock, std::chrono::seconds(m_refreshIntervalSeconds));
LOG_PRINT_L3(__FUNCTION__ << ": refresh lock acquired...");
LOG_PRINT_L3(__FUNCTION__ << ": m_refreshEnabled: " << m_refreshEnabled);
LOG_PRINT_L3(__FUNCTION__ << ": m_status: " << m_status);
if (m_refreshEnabled /*&& m_status == Status_Ok*/) {
LOG_PRINT_L3(__FUNCTION__ << ": refreshing...");
doRefresh();
}
}
LOG_PRINT_L3(__FUNCTION__ << ": refresh thread stopped");
}
void WalletImpl::doRefresh()
{
// synchronizing async and sync refresh calls
std::lock_guard<std::mutex> guarg(m_refreshMutex2);
try {
m_wallet->refresh();
} catch (const std::exception &e) {
m_status = Status_Error;
m_errorString = e.what();
}
if (m_wallet2Callback->getListener()) {
m_wallet2Callback->getListener()->refreshed();
}
}
void WalletImpl::startRefresh()
{
if (!m_refreshEnabled) {
m_refreshEnabled = true;
m_refreshCV.notify_one();
}
}
void WalletImpl::stopRefresh()
{
if (!m_refreshThreadDone) {
m_refreshEnabled = false;
m_refreshThreadDone = true;
m_refreshThread.join();
}
}
void WalletImpl::pauseRefresh()
{
// TODO synchronize access
if (!m_refreshThreadDone) {
m_refreshEnabled = false;
}
}
} // namespace