aboutsummaryrefslogtreecommitdiff
path: root/src/qt/addresstablemodel.cpp
blob: efdc3966d1de1b7313b047ccec1390f3b5a4204b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
// Copyright (c) 2011-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <qt/addresstablemodel.h>

#include <qt/guiutil.h>
#include <qt/walletmodel.h>

#include <key_io.h>
#include <wallet/types.h>
#include <wallet/wallet.h>

#include <algorithm>

#include <QFont>
#include <QDebug>

const QString AddressTableModel::Send = "S";
const QString AddressTableModel::Receive = "R";

struct AddressTableEntry
{
    enum Type {
        Sending,
        Receiving,
        Hidden /* QSortFilterProxyModel will filter these out */
    };

    Type type;
    QString label;
    QString address;

    AddressTableEntry() = default;
    AddressTableEntry(Type _type, const QString &_label, const QString &_address):
        type(_type), label(_label), address(_address) {}
};

struct AddressTableEntryLessThan
{
    bool operator()(const AddressTableEntry &a, const AddressTableEntry &b) const
    {
        return a.address < b.address;
    }
    bool operator()(const AddressTableEntry &a, const QString &b) const
    {
        return a.address < b;
    }
    bool operator()(const QString &a, const AddressTableEntry &b) const
    {
        return a < b.address;
    }
};

/* Determine address type from address purpose */
constexpr AddressTableEntry::Type translateTransactionType(wallet::AddressPurpose purpose, bool isMine)
{
    // "refund" addresses aren't shown, and change addresses aren't returned by getAddresses at all.
    switch (purpose) {
    case wallet::AddressPurpose::SEND: return AddressTableEntry::Sending;
    case wallet::AddressPurpose::RECEIVE: return AddressTableEntry::Receiving;
    case wallet::AddressPurpose::REFUND: return AddressTableEntry::Hidden;
    } // no default case, so the compiler can warn about missing cases
    assert(false);
}

// Private implementation
class AddressTablePriv
{
public:
    QList<AddressTableEntry> cachedAddressTable;
    AddressTableModel *parent;

    explicit AddressTablePriv(AddressTableModel *_parent):
        parent(_parent) {}

    void refreshAddressTable(interfaces::Wallet& wallet, bool pk_hash_only = false)
    {
        cachedAddressTable.clear();
        {
            for (const auto& address : wallet.getAddresses())
            {
                if (pk_hash_only && !std::holds_alternative<PKHash>(address.dest)) {
                    continue;
                }
                AddressTableEntry::Type addressType = translateTransactionType(
                        address.purpose, address.is_mine);
                cachedAddressTable.append(AddressTableEntry(addressType,
                                  QString::fromStdString(address.name),
                                  QString::fromStdString(EncodeDestination(address.dest))));
            }
        }
        // std::lower_bound() and std::upper_bound() require our cachedAddressTable list to be sorted in asc order
        // Even though the map is already sorted this re-sorting step is needed because the originating map
        // is sorted by binary address, not by base58() address.
        std::sort(cachedAddressTable.begin(), cachedAddressTable.end(), AddressTableEntryLessThan());
    }

    void updateEntry(const QString &address, const QString &label, bool isMine, wallet::AddressPurpose purpose, int status)
    {
        // Find address / label in model
        QList<AddressTableEntry>::iterator lower = std::lower_bound(
            cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
        QList<AddressTableEntry>::iterator upper = std::upper_bound(
            cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
        int lowerIndex = (lower - cachedAddressTable.begin());
        int upperIndex = (upper - cachedAddressTable.begin());
        bool inModel = (lower != upper);
        AddressTableEntry::Type newEntryType = translateTransactionType(purpose, isMine);

        switch(status)
        {
        case CT_NEW:
            if(inModel)
            {
                qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_NEW, but entry is already in model";
                break;
            }
            parent->beginInsertRows(QModelIndex(), lowerIndex, lowerIndex);
            cachedAddressTable.insert(lowerIndex, AddressTableEntry(newEntryType, label, address));
            parent->endInsertRows();
            break;
        case CT_UPDATED:
            if(!inModel)
            {
                qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_UPDATED, but entry is not in model";
                break;
            }
            lower->type = newEntryType;
            lower->label = label;
            parent->emitDataChanged(lowerIndex);
            break;
        case CT_DELETED:
            if(!inModel)
            {
                qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_DELETED, but entry is not in model";
                break;
            }
            parent->beginRemoveRows(QModelIndex(), lowerIndex, upperIndex-1);
            cachedAddressTable.erase(lower, upper);
            parent->endRemoveRows();
            break;
        }
    }

    int size()
    {
        return cachedAddressTable.size();
    }

    AddressTableEntry *index(int idx)
    {
        if(idx >= 0 && idx < cachedAddressTable.size())
        {
            return &cachedAddressTable[idx];
        }
        else
        {
            return nullptr;
        }
    }
};

AddressTableModel::AddressTableModel(WalletModel *parent, bool pk_hash_only) :
    QAbstractTableModel(parent), walletModel(parent)
{
    columns << tr("Label") << tr("Address");
    priv = new AddressTablePriv(this);
    priv->refreshAddressTable(parent->wallet(), pk_hash_only);
}

AddressTableModel::~AddressTableModel()
{
    delete priv;
}

int AddressTableModel::rowCount(const QModelIndex &parent) const
{
    if (parent.isValid()) {
        return 0;
    }
    return priv->size();
}

int AddressTableModel::columnCount(const QModelIndex &parent) const
{
    if (parent.isValid()) {
        return 0;
    }
    return columns.length();
}

QVariant AddressTableModel::data(const QModelIndex &index, int role) const
{
    if(!index.isValid())
        return QVariant();

    AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());

    const auto column = static_cast<ColumnIndex>(index.column());
    if (role == Qt::DisplayRole || role == Qt::EditRole) {
        switch (column) {
        case Label:
            if (rec->label.isEmpty() && role == Qt::DisplayRole) {
                return tr("(no label)");
            } else {
                return rec->label;
            }
        case Address:
            return rec->address;
        } // no default case, so the compiler can warn about missing cases
        assert(false);
    } else if (role == Qt::FontRole) {
        switch (column) {
        case Label:
            return QFont();
        case Address:
            return GUIUtil::fixedPitchFont();
        } // no default case, so the compiler can warn about missing cases
        assert(false);
    } else if (role == TypeRole) {
        switch(rec->type)
        {
        case AddressTableEntry::Sending:
            return Send;
        case AddressTableEntry::Receiving:
            return Receive;
        case AddressTableEntry::Hidden:
            return {};
        } // no default case, so the compiler can warn about missing cases
        assert(false);
    }
    return QVariant();
}

bool AddressTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
    if(!index.isValid())
        return false;
    AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
    wallet::AddressPurpose purpose = rec->type == AddressTableEntry::Sending ? wallet::AddressPurpose::SEND : wallet::AddressPurpose::RECEIVE;
    editStatus = OK;

    if(role == Qt::EditRole)
    {
        CTxDestination curAddress = DecodeDestination(rec->address.toStdString());
        if(index.column() == Label)
        {
            // Do nothing, if old label == new label
            if(rec->label == value.toString())
            {
                editStatus = NO_CHANGES;
                return false;
            }
            walletModel->wallet().setAddressBook(curAddress, value.toString().toStdString(), purpose);
        } else if(index.column() == Address) {
            CTxDestination newAddress = DecodeDestination(value.toString().toStdString());
            // Refuse to set invalid address, set error status and return false
            if(std::get_if<CNoDestination>(&newAddress))
            {
                editStatus = INVALID_ADDRESS;
                return false;
            }
            // Do nothing, if old address == new address
            else if(newAddress == curAddress)
            {
                editStatus = NO_CHANGES;
                return false;
            }
            // Check for duplicate addresses to prevent accidental deletion of addresses, if you try
            // to paste an existing address over another address (with a different label)
            if (walletModel->wallet().getAddress(
                    newAddress, /* name= */ nullptr, /* is_mine= */ nullptr, /* purpose= */ nullptr))
            {
                editStatus = DUPLICATE_ADDRESS;
                return false;
            }
            // Double-check that we're not overwriting a receiving address
            else if(rec->type == AddressTableEntry::Sending)
            {
                // Remove old entry
                walletModel->wallet().delAddressBook(curAddress);
                // Add new entry with new address
                walletModel->wallet().setAddressBook(newAddress, value.toString().toStdString(), purpose);
            }
        }
        return true;
    }
    return false;
}

QVariant AddressTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
    if(orientation == Qt::Horizontal)
    {
        if(role == Qt::DisplayRole && section < columns.size())
        {
            return columns[section];
        }
    }
    return QVariant();
}

Qt::ItemFlags AddressTableModel::flags(const QModelIndex &index) const
{
    if (!index.isValid()) return Qt::NoItemFlags;

    AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());

    Qt::ItemFlags retval = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
    // Can edit address and label for sending addresses,
    // and only label for receiving addresses.
    if(rec->type == AddressTableEntry::Sending ||
      (rec->type == AddressTableEntry::Receiving && index.column()==Label))
    {
        retval |= Qt::ItemIsEditable;
    }
    return retval;
}

QModelIndex AddressTableModel::index(int row, int column, const QModelIndex &parent) const
{
    Q_UNUSED(parent);
    AddressTableEntry *data = priv->index(row);
    if(data)
    {
        return createIndex(row, column, priv->index(row));
    }
    else
    {
        return QModelIndex();
    }
}

void AddressTableModel::updateEntry(const QString &address,
        const QString &label, bool isMine, wallet::AddressPurpose purpose, int status)
{
    // Update address book model from Bitcoin core
    priv->updateEntry(address, label, isMine, purpose, status);
}

QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address, const OutputType address_type)
{
    std::string strLabel = label.toStdString();
    std::string strAddress = address.toStdString();

    editStatus = OK;

    if(type == Send)
    {
        if(!walletModel->validateAddress(address))
        {
            editStatus = INVALID_ADDRESS;
            return QString();
        }
        // Check for duplicate addresses
        {
            if (walletModel->wallet().getAddress(
                    DecodeDestination(strAddress), /* name= */ nullptr, /* is_mine= */ nullptr, /* purpose= */ nullptr))
            {
                editStatus = DUPLICATE_ADDRESS;
                return QString();
            }
        }

        // Add entry
        walletModel->wallet().setAddressBook(DecodeDestination(strAddress), strLabel, wallet::AddressPurpose::SEND);
    }
    else if(type == Receive)
    {
        // Generate a new address to associate with given label
        if (auto dest{walletModel->wallet().getNewDestination(address_type, strLabel)}) {
            strAddress = EncodeDestination(*dest);
        } else {
            WalletModel::UnlockContext ctx(walletModel->requestUnlock());
            if (!ctx.isValid()) {
                // Unlock wallet failed or was cancelled
                editStatus = WALLET_UNLOCK_FAILURE;
                return QString();
            }
            if (auto dest_retry{walletModel->wallet().getNewDestination(address_type, strLabel)}) {
                strAddress = EncodeDestination(*dest_retry);
            } else {
                editStatus = KEY_GENERATION_FAILURE;
                return QString();
            }
        }
    }
    else
    {
        return QString();
    }
    return QString::fromStdString(strAddress);
}

bool AddressTableModel::removeRows(int row, int count, const QModelIndex &parent)
{
    Q_UNUSED(parent);
    AddressTableEntry *rec = priv->index(row);
    if(count != 1 || !rec || rec->type == AddressTableEntry::Receiving)
    {
        // Can only remove one row at a time, and cannot remove rows not in model.
        // Also refuse to remove receiving addresses.
        return false;
    }
    walletModel->wallet().delAddressBook(DecodeDestination(rec->address.toStdString()));
    return true;
}

QString AddressTableModel::labelForAddress(const QString &address) const
{
    std::string name;
    if (getAddressData(address, &name, /* purpose= */ nullptr)) {
        return QString::fromStdString(name);
    }
    return QString();
}

std::optional<wallet::AddressPurpose> AddressTableModel::purposeForAddress(const QString &address) const
{
    wallet::AddressPurpose purpose;
    if (getAddressData(address, /* name= */ nullptr, &purpose)) {
        return purpose;
    }
    return std::nullopt;
}

bool AddressTableModel::getAddressData(const QString &address,
        std::string* name,
        wallet::AddressPurpose* purpose) const {
    CTxDestination destination = DecodeDestination(address.toStdString());
    return walletModel->wallet().getAddress(destination, name, /* is_mine= */ nullptr, purpose);
}

int AddressTableModel::lookupAddress(const QString &address) const
{
    QModelIndexList lst = match(index(0, Address, QModelIndex()),
                                Qt::EditRole, address, 1, Qt::MatchExactly);
    if(lst.isEmpty())
    {
        return -1;
    }
    else
    {
        return lst.at(0).row();
    }
}

OutputType AddressTableModel::GetDefaultAddressType() const { return walletModel->wallet().getDefaultAddressType(); };

void AddressTableModel::emitDataChanged(int idx)
{
    Q_EMIT dataChanged(index(idx, 0, QModelIndex()), index(idx, columns.length()-1, QModelIndex()));
}

QString AddressTableModel::GetWalletDisplayName() const { return walletModel->getDisplayName(); };