Initial Vexta Core v0.1.0 release
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25c454329d
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457
src/qt/addresstablemodel.cpp
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457
src/qt/addresstablemodel.cpp
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// Copyright (c) 2009-2020 The Bitcoin Core developers
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// Copyright (c) 2014-2020 The DigiByte Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <qt/addresstablemodel.h>
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#include <qt/guiutil.h>
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#include <qt/walletmodel.h>
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#include <key_io.h>
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#include <wallet/wallet.h>
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#include <algorithm>
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#include <QFont>
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#include <QDebug>
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const QString AddressTableModel::Send = "S";
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const QString AddressTableModel::Receive = "R";
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struct AddressTableEntry
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{
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enum Type {
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Sending,
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Receiving,
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Hidden /* QSortFilterProxyModel will filter these out */
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};
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Type type;
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QString label;
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QString address;
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AddressTableEntry() {}
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AddressTableEntry(Type _type, const QString &_label, const QString &_address):
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type(_type), label(_label), address(_address) {}
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};
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struct AddressTableEntryLessThan
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{
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bool operator()(const AddressTableEntry &a, const AddressTableEntry &b) const
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{
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return a.address < b.address;
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}
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bool operator()(const AddressTableEntry &a, const QString &b) const
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{
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return a.address < b;
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}
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bool operator()(const QString &a, const AddressTableEntry &b) const
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{
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return a < b.address;
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}
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};
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/* Determine address type from address purpose */
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static AddressTableEntry::Type translateTransactionType(const QString &strPurpose, bool isMine)
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{
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AddressTableEntry::Type addressType = AddressTableEntry::Hidden;
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// "refund" addresses aren't shown, and change addresses aren't returned by getAddresses at all.
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if (strPurpose == "send")
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addressType = AddressTableEntry::Sending;
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else if (strPurpose == "receive")
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addressType = AddressTableEntry::Receiving;
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else if (strPurpose == "unknown" || strPurpose == "") // if purpose not set, guess
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addressType = (isMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending);
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return addressType;
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}
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// Private implementation
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class AddressTablePriv
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{
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public:
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QList<AddressTableEntry> cachedAddressTable;
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AddressTableModel *parent;
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explicit AddressTablePriv(AddressTableModel *_parent):
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parent(_parent) {}
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void refreshAddressTable(interfaces::Wallet& wallet, bool pk_hash_only = false)
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{
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cachedAddressTable.clear();
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{
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for (const auto& address : wallet.getAddresses())
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{
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if (pk_hash_only && !std::holds_alternative<PKHash>(address.dest)) {
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continue;
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}
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AddressTableEntry::Type addressType = translateTransactionType(
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QString::fromStdString(address.purpose), address.is_mine);
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cachedAddressTable.append(AddressTableEntry(addressType,
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QString::fromStdString(address.name),
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QString::fromStdString(EncodeDestination(address.dest))));
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}
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}
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// std::lower_bound() and std::upper_bound() require our cachedAddressTable list to be sorted in asc order
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// Even though the map is already sorted this re-sorting step is needed because the originating map
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// is sorted by binary address, not by base58() address.
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std::sort(cachedAddressTable.begin(), cachedAddressTable.end(), AddressTableEntryLessThan());
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}
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void updateEntry(const QString &address, const QString &label, bool isMine, const QString &purpose, int status)
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{
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// Find address / label in model
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QList<AddressTableEntry>::iterator lower = std::lower_bound(
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cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
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QList<AddressTableEntry>::iterator upper = std::upper_bound(
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cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
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int lowerIndex = (lower - cachedAddressTable.begin());
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int upperIndex = (upper - cachedAddressTable.begin());
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bool inModel = (lower != upper);
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AddressTableEntry::Type newEntryType = translateTransactionType(purpose, isMine);
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switch(status)
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{
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case CT_NEW:
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if(inModel)
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{
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qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_NEW, but entry is already in model";
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break;
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}
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parent->beginInsertRows(QModelIndex(), lowerIndex, lowerIndex);
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cachedAddressTable.insert(lowerIndex, AddressTableEntry(newEntryType, label, address));
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parent->endInsertRows();
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break;
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case CT_UPDATED:
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if(!inModel)
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{
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qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_UPDATED, but entry is not in model";
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break;
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}
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lower->type = newEntryType;
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lower->label = label;
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parent->emitDataChanged(lowerIndex);
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break;
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case CT_DELETED:
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if(!inModel)
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{
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qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_DELETED, but entry is not in model";
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break;
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}
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parent->beginRemoveRows(QModelIndex(), lowerIndex, upperIndex-1);
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cachedAddressTable.erase(lower, upper);
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parent->endRemoveRows();
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break;
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}
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}
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int size()
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{
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return cachedAddressTable.size();
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}
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AddressTableEntry *index(int idx)
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{
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if(idx >= 0 && idx < cachedAddressTable.size())
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{
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return &cachedAddressTable[idx];
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}
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else
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{
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return nullptr;
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}
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}
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};
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AddressTableModel::AddressTableModel(WalletModel *parent, bool pk_hash_only) :
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QAbstractTableModel(parent), walletModel(parent)
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{
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columns << tr("Label") << tr("Address");
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priv = new AddressTablePriv(this);
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priv->refreshAddressTable(parent->wallet(), pk_hash_only);
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}
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AddressTableModel::~AddressTableModel()
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{
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delete priv;
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}
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int AddressTableModel::rowCount(const QModelIndex &parent) const
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{
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if (parent.isValid()) {
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return 0;
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}
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return priv->size();
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}
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int AddressTableModel::columnCount(const QModelIndex &parent) const
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{
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if (parent.isValid()) {
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return 0;
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}
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return columns.length();
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}
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QVariant AddressTableModel::data(const QModelIndex &index, int role) const
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{
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if(!index.isValid())
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return QVariant();
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AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
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const auto column = static_cast<ColumnIndex>(index.column());
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if (role == Qt::DisplayRole || role == Qt::EditRole) {
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switch (column) {
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case Label:
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if (rec->label.isEmpty() && role == Qt::DisplayRole) {
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return tr("(no label)");
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} else {
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return rec->label;
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}
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case Address:
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return rec->address;
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} // no default case, so the compiler can warn about missing cases
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assert(false);
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} else if (role == Qt::FontRole) {
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switch (column) {
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case Label:
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return QFont();
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case Address:
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return GUIUtil::fixedPitchFont();
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} // no default case, so the compiler can warn about missing cases
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assert(false);
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} else if (role == TypeRole) {
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switch(rec->type)
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{
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case AddressTableEntry::Sending:
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return Send;
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case AddressTableEntry::Receiving:
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return Receive;
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case AddressTableEntry::Hidden:
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return {};
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} // no default case, so the compiler can warn about missing cases
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assert(false);
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}
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return QVariant();
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}
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bool AddressTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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if(!index.isValid())
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return false;
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AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
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std::string strPurpose = (rec->type == AddressTableEntry::Sending ? "send" : "receive");
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editStatus = OK;
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if(role == Qt::EditRole)
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{
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CTxDestination curAddress = DecodeDestination(rec->address.toStdString());
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if(index.column() == Label)
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{
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// Do nothing, if old label == new label
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if(rec->label == value.toString())
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{
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editStatus = NO_CHANGES;
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return false;
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}
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walletModel->wallet().setAddressBook(curAddress, value.toString().toStdString(), strPurpose);
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} else if(index.column() == Address) {
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CTxDestination newAddress = DecodeDestination(value.toString().toStdString());
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// Refuse to set invalid address, set error status and return false
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if(std::get_if<CNoDestination>(&newAddress))
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{
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editStatus = INVALID_ADDRESS;
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return false;
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}
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// Do nothing, if old address == new address
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else if(newAddress == curAddress)
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{
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editStatus = NO_CHANGES;
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return false;
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}
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// Check for duplicate addresses to prevent accidental deletion of addresses, if you try
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// to paste an existing address over another address (with a different label)
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if (walletModel->wallet().getAddress(
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newAddress, /* name= */ nullptr, /* is_mine= */ nullptr, /* purpose= */ nullptr))
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{
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editStatus = DUPLICATE_ADDRESS;
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return false;
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}
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// Double-check that we're not overwriting a receiving address
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else if(rec->type == AddressTableEntry::Sending)
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{
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// Remove old entry
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walletModel->wallet().delAddressBook(curAddress);
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// Add new entry with new address
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walletModel->wallet().setAddressBook(newAddress, value.toString().toStdString(), strPurpose);
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}
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}
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return true;
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}
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return false;
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}
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QVariant AddressTableModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if(orientation == Qt::Horizontal)
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{
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if(role == Qt::DisplayRole && section < columns.size())
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{
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return columns[section];
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}
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}
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return QVariant();
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}
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Qt::ItemFlags AddressTableModel::flags(const QModelIndex &index) const
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{
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if (!index.isValid()) return Qt::NoItemFlags;
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AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
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Qt::ItemFlags retval = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
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// Can edit address and label for sending addresses,
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// and only label for receiving addresses.
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if(rec->type == AddressTableEntry::Sending ||
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(rec->type == AddressTableEntry::Receiving && index.column()==Label))
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{
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retval |= Qt::ItemIsEditable;
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}
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return retval;
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}
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QModelIndex AddressTableModel::index(int row, int column, const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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AddressTableEntry *data = priv->index(row);
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if(data)
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{
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return createIndex(row, column, priv->index(row));
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}
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else
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{
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return QModelIndex();
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}
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}
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void AddressTableModel::updateEntry(const QString &address,
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const QString &label, bool isMine, const QString &purpose, int status)
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{
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// Update address book model from Vexta Core
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priv->updateEntry(address, label, isMine, purpose, status);
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}
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QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address, const OutputType address_type)
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{
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std::string strLabel = label.toStdString();
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std::string strAddress = address.toStdString();
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editStatus = OK;
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if(type == Send)
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{
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if(!walletModel->validateAddress(address))
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{
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editStatus = INVALID_ADDRESS;
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return QString();
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}
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// Check for duplicate addresses
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{
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if (walletModel->wallet().getAddress(
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DecodeDestination(strAddress), /* name= */ nullptr, /* is_mine= */ nullptr, /* purpose= */ nullptr))
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{
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editStatus = DUPLICATE_ADDRESS;
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return QString();
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}
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}
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// Add entry
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walletModel->wallet().setAddressBook(DecodeDestination(strAddress), strLabel, "send");
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}
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else if(type == Receive)
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{
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// Generate a new address to associate with given label
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CTxDestination dest;
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if(!walletModel->wallet().getNewDestination(address_type, strLabel, dest))
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{
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WalletModel::UnlockContext ctx(walletModel->requestUnlock());
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if(!ctx.isValid())
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{
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// Unlock wallet failed or was cancelled
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editStatus = WALLET_UNLOCK_FAILURE;
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return QString();
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}
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if(!walletModel->wallet().getNewDestination(address_type, strLabel, dest))
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{
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editStatus = KEY_GENERATION_FAILURE;
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return QString();
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}
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}
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strAddress = EncodeDestination(dest);
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}
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else
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{
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return QString();
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}
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return QString::fromStdString(strAddress);
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}
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bool AddressTableModel::removeRows(int row, int count, const QModelIndex &parent)
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{
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Q_UNUSED(parent);
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AddressTableEntry *rec = priv->index(row);
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if(count != 1 || !rec || rec->type == AddressTableEntry::Receiving)
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{
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// Can only remove one row at a time, and cannot remove rows not in model.
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// Also refuse to remove receiving addresses.
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return false;
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}
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walletModel->wallet().delAddressBook(DecodeDestination(rec->address.toStdString()));
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return true;
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}
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QString AddressTableModel::labelForAddress(const QString &address) const
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{
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std::string name;
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if (getAddressData(address, &name, /* purpose= */ nullptr)) {
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return QString::fromStdString(name);
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}
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return QString();
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}
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QString AddressTableModel::purposeForAddress(const QString &address) const
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{
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std::string purpose;
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if (getAddressData(address, /* name= */ nullptr, &purpose)) {
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return QString::fromStdString(purpose);
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}
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return QString();
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}
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bool AddressTableModel::getAddressData(const QString &address,
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std::string* name,
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std::string* purpose) const {
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CTxDestination destination = DecodeDestination(address.toStdString());
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return walletModel->wallet().getAddress(destination, name, /* is_mine= */ nullptr, purpose);
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}
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int AddressTableModel::lookupAddress(const QString &address) const
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{
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QModelIndexList lst = match(index(0, Address, QModelIndex()),
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Qt::EditRole, address, 1, Qt::MatchExactly);
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if(lst.isEmpty())
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{
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return -1;
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}
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else
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{
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return lst.at(0).row();
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}
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}
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OutputType AddressTableModel::GetDefaultAddressType() const { return walletModel->wallet().getDefaultAddressType(); };
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void AddressTableModel::emitDataChanged(int idx)
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{
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Q_EMIT dataChanged(index(idx, 0, QModelIndex()), index(idx, columns.length()-1, QModelIndex()));
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}
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