// 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. #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" #include "main.h" #include "sync.h" #include "uint256.h" #include "util.h" #include "wallet.h" #include #include #include #include #include #include // 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 cachedWallet; /* Query entire wallet anew from core. */ void refreshWallet() { qDebug() << "TransactionTablePriv::refreshWallet"; cachedWallet.clear(); { LOCK2(cs_main, wallet->cs_wallet); for(std::map::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); { LOCK2(cs_main, wallet->cs_wallet); // Find transaction in wallet std::map::iterator mi = wallet->mapWallet.find(hash); bool inWallet = mi != wallet->mapWallet.end(); // Find bounds of this transaction in model QList::iterator lower = qLowerBound( cachedWallet.begin(), cachedWallet.end(), hash, TxLessThan()); QList::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 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. LOCK2(cs_main, wallet->cs_wallet); if(rec->statusUpdateNeeded()) { std::map::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) { { LOCK2(cs_main, wallet->cs_wallet); std::map::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)) { columns << QString() << tr("Date") << tr("Type") << tr("Address") << tr("Amount"); priv->refreshWallet(); connect(walletModel->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit())); } TransactionTableModel::~TransactionTableModel() { delete priv; } void TransactionTableModel::updateTransaction(const QString &hash, int status) { uint256 updated; updated.SetHex(hash.toStdString()); priv->updateWallet(updated, status); } void TransactionTableModel::updateConfirmations() { // 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)); } int TransactionTableModel::rowCount(const QModelIndex &parent) const { Q_UNUSED(parent); return priv->size(); } 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; } QString TransactionTableModel::formatTxType(const TransactionRecord *wtx) const { switch(wtx->type) { case TransactionRecord::RecvWithAddress: return tr("Received with"); case TransactionRecord::RecvFromOther: return tr("Received from"); case TransactionRecord::SendToAddress: case TransactionRecord::SendToOther: return tr("Sent to"); case TransactionRecord::SendToSelf: return tr("Payment to yourself"); case TransactionRecord::Generated: return tr("Mined"); default: return QString(); } } QVariant TransactionTableModel::txAddressDecoration(const TransactionRecord *wtx) const { switch(wtx->type) { case TransactionRecord::Generated: return QIcon(":/icons/tx_mined"); case TransactionRecord::RecvWithAddress: case TransactionRecord::RecvFromOther: return QIcon(":/icons/tx_input"); case TransactionRecord::SendToAddress: case TransactionRecord::SendToOther: return QIcon(":/icons/tx_output"); default: return QIcon(":/icons/tx_inout"); } return QVariant(); } QString TransactionTableModel::formatTxToAddress(const TransactionRecord *wtx, bool tooltip) const { switch(wtx->type) { case TransactionRecord::RecvFromOther: return QString::fromStdString(wtx->address); case TransactionRecord::RecvWithAddress: case TransactionRecord::SendToAddress: case TransactionRecord::Generated: return lookupAddress(wtx->address, tooltip); case TransactionRecord::SendToOther: return QString::fromStdString(wtx->address); case TransactionRecord::SendToSelf: 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; } QVariant TransactionTableModel::data(const QModelIndex &index, int role) const { if(!index.isValid()) return QVariant(); TransactionRecord *rec = static_cast(index.internalPointer()); switch(role) { case Qt::DecorationRole: switch(index.column()) { case Status: return txStatusDecoration(rec); 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(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; } 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."); } } } return QVariant(); } QModelIndex TransactionTableModel::index(int row, int column, const QModelIndex &parent) const { Q_UNUSED(parent); TransactionRecord *data = priv->index(row); if(data) { 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)); }