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// Copyright (c) 2014-2024, 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.
#include "TransactionHistory.h"
#include "TransactionInfo.h"
#include <wallet/api/wallet2_api.h>
#include <QFile>
#include <QDebug>
#include <QReadLocker>
#include <QWriteLocker>
#include <QtGlobal>
namespace {
QString sanitizeCSVField(QString field)
{
field.remove(QChar('"'));
if (field.isEmpty()) {
return field;
}
const QChar first = field.at(0);
const bool needsPrefix =
first == QChar('=') ||
first == QChar('+') ||
first == QChar('-') ||
first == QChar('@') ||
first.isSpace() ||
first.category() == QChar::Other_Control;
if (needsPrefix) {
field.prepend(QChar('\''));
}
return field;
}
}
bool TransactionHistory::transaction(int index, std::function<void (TransactionInfo &)> callback)
{
QReadLocker locker(&m_lock);
if (index < 0 || index >= m_tinfo.size()) {
qCritical("%s: no transaction info for index %d", __FUNCTION__, index);
qCritical("%s: there's %d transactions in backend", __FUNCTION__, m_pimpl->count());
return false;
}
callback(*m_tinfo.value(index));
return true;
}
//// XXX: not sure if this method really needed;
//TransactionInfo *TransactionHistory::transaction(const QString &id)
//{
// return nullptr;
//}
void TransactionHistory::refresh(quint32 accountIndex)
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
QDateTime firstDateTime = QDate(2014, 4, 18).startOfDay();
#else
QDateTime firstDateTime = QDateTime(QDate(2014, 4, 18)); // the genesis block
#endif
QDateTime lastDateTime = QDateTime::currentDateTime().addDays(1); // tomorrow (guard against jitter and timezones)
emit refreshStarted();
{
QWriteLocker locker(&m_lock);
qDeleteAll(m_tinfo);
m_tinfo.clear();
quint64 lastTxHeight = 0;
m_locked = false;
m_minutesToUnlock = 0;
m_pimpl->refresh();
for (const auto i : m_pimpl->getAll()) {
if (i->subaddrAccount() != accountIndex) {
continue;
}
m_tinfo.append(new TransactionInfo(i, this));
const TransactionInfo *ti = m_tinfo.back();
// looking for transactions timestamp scope
if (ti->timestamp() >= lastDateTime) {
lastDateTime = ti->timestamp();
}
if (ti->timestamp() <= firstDateTime) {
firstDateTime = ti->timestamp();
}
quint64 requiredConfirmations = (ti->blockHeight() < ti->unlockTime()) ? ti->unlockTime() - ti->blockHeight() : 10;
// store last tx height
if (ti->confirmations() < requiredConfirmations && ti->blockHeight() >= lastTxHeight) {
lastTxHeight = ti->blockHeight();
// TODO: Fetch block time and confirmations needed from wallet2?
m_minutesToUnlock = (requiredConfirmations - ti->confirmations()) * 2;
m_locked = true;
}
}
}
emit refreshFinished();
if (m_firstDateTime != firstDateTime) {
m_firstDateTime = firstDateTime;
emit firstDateTimeChanged();
}
if (m_lastDateTime != lastDateTime) {
m_lastDateTime = lastDateTime;
emit lastDateTimeChanged();
}
}
quint64 TransactionHistory::count() const
{
QReadLocker locker(&m_lock);
return m_tinfo.count();
}
QDateTime TransactionHistory::firstDateTime() const
{
return m_firstDateTime;
}
QDateTime TransactionHistory::lastDateTime() const
{
return m_lastDateTime;
}
quint64 TransactionHistory::minutesToUnlock() const
{
return m_minutesToUnlock;
}
bool TransactionHistory::TransactionHistory::locked() const
{
return m_locked;
}
TransactionHistory::TransactionHistory(Monero::TransactionHistory *pimpl, QObject *parent)
: QObject(parent), m_pimpl(pimpl), m_minutesToUnlock(0), m_locked(false)
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
m_firstDateTime = QDate(2014, 4, 18).startOfDay();
#else
m_firstDateTime = QDateTime(QDate(2014, 4, 18)); // the genesis block
#endif
m_lastDateTime = QDateTime::currentDateTime().addDays(1); // tomorrow (guard against jitter and timezones)
}
QString TransactionHistory::writeCSV(quint32 accountIndex, QString out)
{
// construct filename
qint64 now = QDateTime::currentDateTime().currentMSecsSinceEpoch();
QString fn = QString(QString("%1/monero-txs_%2.csv").arg(out, QString::number(now / 1000)));
// open file
QFile data(fn);
if(!data.open(QFile::WriteOnly | QFile::Truncate)){
return QString("");
}
// write header
QTextStream output(&data);
output << "blockHeight,epoch,date,direction,amount,atomicAmount,fee,txid,label,subaddrAccount,paymentId,description\n";
QReadLocker locker(&m_lock);
for (const auto &tx : m_pimpl->getAll()) {
if (tx->subaddrAccount() != accountIndex) {
continue;
}
TransactionInfo info(tx, this);
// collect column data
quint64 atomicAmount = info.atomicAmount();
quint32 subaddrAccount = info.subaddrAccount();
QString fee = info.fee();
QString direction = QString("");
TransactionInfo::Direction _direction = info.direction();
if(_direction == TransactionInfo::Direction_In)
{
direction = QString("in");
}
else if(_direction == TransactionInfo::Direction_Out){
direction = QString("out");
}
else {
continue; // skip TransactionInfo::Direction_Both
}
QString label = sanitizeCSVField(info.label());
QString description = sanitizeCSVField(info.description());
quint64 blockHeight = info.blockHeight();
QDateTime timeStamp = info.timestamp();
QString date = info.date() + " " + info.time();
uint epoch = timeStamp.toTime_t();
QString displayAmount = info.displayAmount();
QString paymentId = info.paymentId();
if(paymentId == "0000000000000000"){
paymentId = "";
}
// format and write
QString line = QString("%1,%2,%3,%4,%5,%6,%7,%8,\"%9\",%10,%11,\"%12\"\n")
.arg(QString::number(blockHeight), QString::number(epoch), date)
.arg(direction, displayAmount, QString::number(atomicAmount))
.arg(info.fee(), info.hash(), label, QString::number(subaddrAccount))
.arg(paymentId, description);
output << line;
}
data.close();
return fn;
}
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