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// Copyright (c) 2011-2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "transactiontablemodel.h"
#include "addresstablemodel.h"
#include "bitcoinunits.h"
#include "guiconstants.h"
#include "guiutil.h"
#include "optionsmodel.h"
#include "transactiondesc.h"
#include "transactionrecord.h"
#include "walletmodel.h"
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#include "main.h"
#include "sync.h"
#include "uint256.h"
#include "util.h"
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#include "wallet.h"
#include <QColor>
#include <QDateTime>
#include <QDebug>
#include <QIcon>
#include <QList>
#include <QTimer>
// Amount column is right-aligned it contains numbers
static int column_alignments[] = {
Qt::AlignLeft|Qt::AlignVCenter, /* status */
Qt::AlignLeft|Qt::AlignVCenter, /* date */
Qt::AlignLeft|Qt::AlignVCenter, /* type */
Qt::AlignLeft|Qt::AlignVCenter, /* address */
Qt::AlignRight|Qt::AlignVCenter /* amount */
};
// Comparison operator for sort/binary search of model tx list
struct TxLessThan
{
bool operator()(const TransactionRecord &a, const TransactionRecord &b) const
{
return a.hash < b.hash;
}
bool operator()(const TransactionRecord &a, const uint256 &b) const
{
return a.hash < b;
}
bool operator()(const uint256 &a, const TransactionRecord &b) const
{
return a < b.hash;
}
};
// Private implementation
class TransactionTablePriv
{
public:
TransactionTablePriv(CWallet *wallet, TransactionTableModel *parent) :
wallet(wallet),
parent(parent)
{
}
CWallet *wallet;
TransactionTableModel *parent;
/* Local cache of wallet.
* As it is in the same order as the CWallet, by definition
* this is sorted by sha256.
*/
QList<TransactionRecord> cachedWallet;
/* Query entire wallet anew from core.
*/
void refreshWallet()
{
qDebug() << "TransactionTablePriv::refreshWallet";
cachedWallet.clear();
{
LOCK(wallet->cs_wallet);
for(std::map<uint256, CWalletTx>::iterator it = wallet->mapWallet.begin(); it != wallet->mapWallet.end(); ++it)
{
if(TransactionRecord::showTransaction(it->second))
cachedWallet.append(TransactionRecord::decomposeTransaction(wallet, it->second));
}
}
}
/* Update our model of the wallet incrementally, to synchronize our model of the wallet
with that of the core.
Call with transaction that was added, removed or changed.
*/
void updateWallet(const uint256 &hash, int status)
{
qDebug() << "TransactionTablePriv::updateWallet : " + QString::fromStdString(hash.ToString()) + " " + QString::number(status);
{
LOCK(wallet->cs_wallet);
// Find transaction in wallet
std::map<uint256, CWalletTx>::iterator mi = wallet->mapWallet.find(hash);
bool inWallet = mi != wallet->mapWallet.end();
// Find bounds of this transaction in model
QList<TransactionRecord>::iterator lower = qLowerBound(
cachedWallet.begin(), cachedWallet.end(), hash, TxLessThan());
QList<TransactionRecord>::iterator upper = qUpperBound(
cachedWallet.begin(), cachedWallet.end(), hash, TxLessThan());
int lowerIndex = (lower - cachedWallet.begin());
int upperIndex = (upper - cachedWallet.begin());
bool inModel = (lower != upper);
// Determine whether to show transaction or not
bool showTransaction = (inWallet && TransactionRecord::showTransaction(mi->second));
if(status == CT_UPDATED)
{
if(showTransaction && !inModel)
status = CT_NEW; /* Not in model, but want to show, treat as new */
if(!showTransaction && inModel)
status = CT_DELETED; /* In model, but want to hide, treat as deleted */
}
qDebug() << " inWallet=" + QString::number(inWallet) + " inModel=" + QString::number(inModel) +
" Index=" + QString::number(lowerIndex) + "-" + QString::number(upperIndex) +
" showTransaction=" + QString::number(showTransaction) + " derivedStatus=" + QString::number(status);
switch(status)
{
case CT_NEW:
if(inModel)
{
qDebug() << "TransactionTablePriv::updateWallet : Warning: Got CT_NEW, but transaction is already in model";
break;
}
if(!inWallet)
{
qDebug() << "TransactionTablePriv::updateWallet : Warning: Got CT_NEW, but transaction is not in wallet";
break;
}
if(showTransaction)
{
// Added -- insert at the right position
QList<TransactionRecord> toInsert =
TransactionRecord::decomposeTransaction(wallet, mi->second);
if(!toInsert.isEmpty()) /* only if something to insert */
{
parent->beginInsertRows(QModelIndex(), lowerIndex, lowerIndex+toInsert.size()-1);
int insert_idx = lowerIndex;
foreach(const TransactionRecord &rec, toInsert)
{
cachedWallet.insert(insert_idx, rec);
insert_idx += 1;
}
parent->endInsertRows();
}
}
break;
case CT_DELETED:
if(!inModel)
{
qDebug() << "TransactionTablePriv::updateWallet : Warning: Got CT_DELETED, but transaction is not in model";
break;
}
// Removed -- remove entire transaction from table
parent->beginRemoveRows(QModelIndex(), lowerIndex, upperIndex-1);
cachedWallet.erase(lower, upper);
parent->endRemoveRows();
break;
case CT_UPDATED:
// Miscellaneous updates -- nothing to do, status update will take care of this, and is only computed for
// visible transactions.
break;
}
}
}
int size()
{
return cachedWallet.size();
}
TransactionRecord *index(int idx)
{
if(idx >= 0 && idx < cachedWallet.size())
{
TransactionRecord *rec = &cachedWallet[idx];
// If a status update is needed (blocks came in since last check),
// update the status of this transaction from the wallet. Otherwise,
// simply re-use the cached status.
if(rec->statusUpdateNeeded())
{
{
LOCK(wallet->cs_wallet);
std::map<uint256, CWalletTx>::iterator mi = wallet->mapWallet.find(rec->hash);
if(mi != wallet->mapWallet.end())
{
rec->updateStatus(mi->second);
}
}
}
return rec;
}
else
{
return 0;
}
}
QString describe(TransactionRecord *rec, int unit)
{
{
LOCK(wallet->cs_wallet);
std::map<uint256, CWalletTx>::iterator mi = wallet->mapWallet.find(rec->hash);
if(mi != wallet->mapWallet.end())
{
return TransactionDesc::toHTML(wallet, mi->second, rec->idx, unit);
}
}
return QString("");
}
};
TransactionTableModel::TransactionTableModel(CWallet* wallet, WalletModel *parent):
QAbstractTableModel(parent),
wallet(wallet),
walletModel(parent),
priv(new TransactionTablePriv(wallet, this)),
cachedNumBlocks(0)
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{
columns << QString() << tr("Date") << tr("Type") << tr("Address") << tr("Amount");
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priv->refreshWallet();
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(updateConfirmations()));
timer->start(MODEL_UPDATE_DELAY);
connect(walletModel->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
}
TransactionTableModel::~TransactionTableModel()
{
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delete priv;
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}
void TransactionTableModel::updateTransaction(const QString &hash, int status)
{
uint256 updated;
updated.SetHex(hash.toStdString());
priv->updateWallet(updated, status);
}
void TransactionTableModel::updateConfirmations()
{
if(chainActive.Height() != cachedNumBlocks)
{
cachedNumBlocks = chainActive.Height();
// Blocks came in since last poll.
// Invalidate status (number of confirmations) and (possibly) description
// for all rows. Qt is smart enough to only actually request the data for the
// visible rows.
emit dataChanged(index(0, Status), index(priv->size()-1, Status));
emit dataChanged(index(0, ToAddress), index(priv->size()-1, ToAddress));
}
}
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int TransactionTableModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
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return priv->size();
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}
int TransactionTableModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return columns.length();
}
QString TransactionTableModel::formatTxStatus(const TransactionRecord *wtx) const
{
QString status;
switch(wtx->status.status)
{
case TransactionStatus::OpenUntilBlock:
status = tr("Open for %n more block(s)","",wtx->status.open_for);
break;
case TransactionStatus::OpenUntilDate:
status = tr("Open until %1").arg(GUIUtil::dateTimeStr(wtx->status.open_for));
break;
case TransactionStatus::Offline:
status = tr("Offline");
break;
case TransactionStatus::Unconfirmed:
status = tr("Unconfirmed");
break;
case TransactionStatus::Confirming:
status = tr("Confirming (%1 of %2 recommended confirmations)").arg(wtx->status.depth).arg(TransactionRecord::RecommendedNumConfirmations);
break;
case TransactionStatus::Confirmed:
status = tr("Confirmed (%1 confirmations)").arg(wtx->status.depth);
break;
case TransactionStatus::Conflicted:
status = tr("Conflicted");
break;
case TransactionStatus::Immature:
status = tr("Immature (%1 confirmations, will be available after %2)").arg(wtx->status.depth).arg(wtx->status.depth + wtx->status.matures_in);
break;
case TransactionStatus::MaturesWarning:
status = tr("This block was not received by any other nodes and will probably not be accepted!");
break;
case TransactionStatus::NotAccepted:
status = tr("Generated but not accepted");
break;
}
return status;
}
QString TransactionTableModel::formatTxDate(const TransactionRecord *wtx) const
{
if(wtx->time)
{
return GUIUtil::dateTimeStr(wtx->time);
}
else
{
return QString();
}
}
/* Look up address in address book, if found return label (address)
otherwise just return (address)
*/
QString TransactionTableModel::lookupAddress(const std::string &address, bool tooltip) const
{
QString label = walletModel->getAddressTableModel()->labelForAddress(QString::fromStdString(address));
QString description;
if(!label.isEmpty())
{
description += label + QString(" ");
}
if(label.isEmpty() || walletModel->getOptionsModel()->getDisplayAddresses() || tooltip)
{
description += QString("(") + QString::fromStdString(address) + QString(")");
}
return description;
}
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QString TransactionTableModel::formatTxType(const TransactionRecord *wtx) const
{
switch(wtx->type)
{
case TransactionRecord::RecvWithAddress:
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return tr("Received with");
case TransactionRecord::RecvFromOther:
return tr("Received from");
case TransactionRecord::SendToAddress:
case TransactionRecord::SendToOther:
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return tr("Sent to");
case TransactionRecord::SendToSelf:
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return tr("Payment to yourself");
case TransactionRecord::Generated:
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return tr("Mined");
default:
return QString();
}
}
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QVariant TransactionTableModel::txAddressDecoration(const TransactionRecord *wtx) const
{
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switch(wtx->type)
{
case TransactionRecord::Generated:
return QIcon(":/icons/tx_mined");
case TransactionRecord::RecvWithAddress:
case TransactionRecord::RecvFromOther:
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return QIcon(":/icons/tx_input");
case TransactionRecord::SendToAddress:
case TransactionRecord::SendToOther:
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return QIcon(":/icons/tx_output");
default:
return QIcon(":/icons/tx_inout");
}
return QVariant();
}
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QString TransactionTableModel::formatTxToAddress(const TransactionRecord *wtx, bool tooltip) const
{
switch(wtx->type)
{
case TransactionRecord::RecvFromOther:
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return QString::fromStdString(wtx->address);
case TransactionRecord::RecvWithAddress:
case TransactionRecord::SendToAddress:
case TransactionRecord::Generated:
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return lookupAddress(wtx->address, tooltip);
case TransactionRecord::SendToOther:
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return QString::fromStdString(wtx->address);
case TransactionRecord::SendToSelf:
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default:
return tr("(n/a)");
}
}
QVariant TransactionTableModel::addressColor(const TransactionRecord *wtx) const
{
// Show addresses without label in a less visible color
switch(wtx->type)
{
case TransactionRecord::RecvWithAddress:
case TransactionRecord::SendToAddress:
case TransactionRecord::Generated:
{
QString label = walletModel->getAddressTableModel()->labelForAddress(QString::fromStdString(wtx->address));
if(label.isEmpty())
return COLOR_BAREADDRESS;
} break;
case TransactionRecord::SendToSelf:
return COLOR_BAREADDRESS;
default:
break;
}
return QVariant();
}
QString TransactionTableModel::formatTxAmount(const TransactionRecord *wtx, bool showUnconfirmed) const
{
QString str = BitcoinUnits::format(walletModel->getOptionsModel()->getDisplayUnit(), wtx->credit + wtx->debit);
if(showUnconfirmed)
{
if(!wtx->status.countsForBalance)
{
str = QString("[") + str + QString("]");
}
}
return QString(str);
}
QVariant TransactionTableModel::txStatusDecoration(const TransactionRecord *wtx) const
{
switch(wtx->status.status)
{
case TransactionStatus::OpenUntilBlock:
case TransactionStatus::OpenUntilDate:
return QColor(64,64,255);
case TransactionStatus::Offline:
return QColor(192,192,192);
case TransactionStatus::Unconfirmed:
return QIcon(":/icons/transaction_0");
case TransactionStatus::Confirming:
switch(wtx->status.depth)
{
case 1: return QIcon(":/icons/transaction_1");
case 2: return QIcon(":/icons/transaction_2");
case 3: return QIcon(":/icons/transaction_3");
case 4: return QIcon(":/icons/transaction_4");
default: return QIcon(":/icons/transaction_5");
};
case TransactionStatus::Confirmed:
return QIcon(":/icons/transaction_confirmed");
case TransactionStatus::Conflicted:
return QIcon(":/icons/transaction_conflicted");
case TransactionStatus::Immature: {
int total = wtx->status.depth + wtx->status.matures_in;
int part = (wtx->status.depth * 4 / total) + 1;
return QIcon(QString(":/icons/transaction_%1").arg(part));
}
case TransactionStatus::MaturesWarning:
case TransactionStatus::NotAccepted:
return QIcon(":/icons/transaction_0");
}
return QColor(0,0,0);
}
QString TransactionTableModel::formatTooltip(const TransactionRecord *rec) const
{
QString tooltip = formatTxStatus(rec) + QString("\n") + formatTxType(rec);
if(rec->type==TransactionRecord::RecvFromOther || rec->type==TransactionRecord::SendToOther ||
rec->type==TransactionRecord::SendToAddress || rec->type==TransactionRecord::RecvWithAddress)
{
tooltip += QString(" ") + formatTxToAddress(rec, true);
}
return tooltip;
}
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QVariant TransactionTableModel::data(const QModelIndex &index, int role) const
{
if(!index.isValid())
return QVariant();
TransactionRecord *rec = static_cast<TransactionRecord*>(index.internalPointer());
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switch(role)
{
case Qt::DecorationRole:
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switch(index.column())
{
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case Status:
return txStatusDecoration(rec);
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case ToAddress:
return txAddressDecoration(rec);
}
break;
case Qt::DisplayRole:
switch(index.column())
{
case Date:
return formatTxDate(rec);
case Type:
return formatTxType(rec);
case ToAddress:
return formatTxToAddress(rec, false);
case Amount:
return formatTxAmount(rec);
}
break;
case Qt::EditRole:
// Edit role is used for sorting, so return the unformatted values
switch(index.column())
{
case Status:
return QString::fromStdString(rec->status.sortKey);
case Date:
return rec->time;
case Type:
return formatTxType(rec);
case ToAddress:
return formatTxToAddress(rec, true);
case Amount:
return rec->credit + rec->debit;
}
break;
case Qt::ToolTipRole:
return formatTooltip(rec);
case Qt::TextAlignmentRole:
return column_alignments[index.column()];
case Qt::ForegroundRole:
// Non-confirmed (but not immature) as transactions are grey
if(!rec->status.countsForBalance && rec->status.status != TransactionStatus::Immature)
{
return COLOR_UNCONFIRMED;
}
if(index.column() == Amount && (rec->credit+rec->debit) < 0)
{
return COLOR_NEGATIVE;
}
if(index.column() == ToAddress)
{
return addressColor(rec);
}
break;
case TypeRole:
return rec->type;
case DateRole:
return QDateTime::fromTime_t(static_cast<uint>(rec->time));
case LongDescriptionRole:
return priv->describe(rec, walletModel->getOptionsModel()->getDisplayUnit());
case AddressRole:
return QString::fromStdString(rec->address);
case LabelRole:
return walletModel->getAddressTableModel()->labelForAddress(QString::fromStdString(rec->address));
case AmountRole:
return rec->credit + rec->debit;
case TxIDRole:
return rec->getTxID();
case ConfirmedRole:
return rec->status.countsForBalance;
case FormattedAmountRole:
return formatTxAmount(rec, false);
case StatusRole:
return rec->status.status;
}
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return QVariant();
}
QVariant TransactionTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if(orientation == Qt::Horizontal)
{
if(role == Qt::DisplayRole)
{
return columns[section];
}
else if (role == Qt::TextAlignmentRole)
{
return column_alignments[section];
} else if (role == Qt::ToolTipRole)
{
switch(section)
{
case Status:
return tr("Transaction status. Hover over this field to show number of confirmations.");
case Date:
return tr("Date and time that the transaction was received.");
case Type:
return tr("Type of transaction.");
case ToAddress:
return tr("Destination address of transaction.");
case Amount:
return tr("Amount removed from or added to balance.");
}
}
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}
return QVariant();
}
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QModelIndex TransactionTableModel::index(int row, int column, const QModelIndex &parent) const
{
Q_UNUSED(parent);
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TransactionRecord *data = priv->index(row);
if(data)
{
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return createIndex(row, column, priv->index(row));
}
else
{
return QModelIndex();
}
}
void TransactionTableModel::updateDisplayUnit()
{
// emit dataChanged to update Amount column with the current unit
emit dataChanged(index(0, Amount), index(priv->size()-1, Amount));
}