aboutsummaryrefslogtreecommitdiff
path: root/src/qt/transactiondesc.cpp
blob: 2ced44241fcc1602b4dafb7ccf15233ae3829ba0 (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
// 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.

#ifdef HAVE_CONFIG_H
#include <config/bitcoin-config.h>
#endif

#include <qt/transactiondesc.h>

#include <qt/bitcoinunits.h>
#include <qt/guiutil.h>
#include <qt/paymentserver.h>
#include <qt/transactionrecord.h>

#include <consensus/consensus.h>
#include <interfaces/node.h>
#include <interfaces/wallet.h>
#include <key_io.h>
#include <policy/policy.h>
#include <util/system.h>
#include <validation.h>
#include <wallet/ismine.h>

#include <stdint.h>
#include <string>

#include <QLatin1String>

using wallet::ISMINE_ALL;
using wallet::ISMINE_SPENDABLE;
using wallet::ISMINE_WATCH_ONLY;
using wallet::isminetype;

QString TransactionDesc::FormatTxStatus(const interfaces::WalletTxStatus& status, bool inMempool)
{
    int depth = status.depth_in_main_chain;
    if (depth < 0) {
        /*: Text explaining the current status of a transaction, shown in the
            status field of the details window for this transaction. This status
            represents an unconfirmed transaction that conflicts with a confirmed
            transaction. */
        return tr("conflicted with a transaction with %1 confirmations").arg(-depth);
    } else if (depth == 0) {
        QString s;
        if (inMempool) {
            /*: Text explaining the current status of a transaction, shown in the
                status field of the details window for this transaction. This status
                represents an unconfirmed transaction that is in the memory pool. */
            s = tr("0/unconfirmed, in memory pool");
        } else {
            /*: Text explaining the current status of a transaction, shown in the
                status field of the details window for this transaction. This status
                represents an unconfirmed transaction that is not in the memory pool. */
            s = tr("0/unconfirmed, not in memory pool");
        }
        if (status.is_abandoned) {
            /*: Text explaining the current status of a transaction, shown in the
                status field of the details window for this transaction. This
                status represents an abandoned transaction. */
            s += QLatin1String(", ") + tr("abandoned");
        }
        return s;
    } else if (depth < 6) {
        /*: Text explaining the current status of a transaction, shown in the
            status field of the details window for this transaction. This
            status represents a transaction confirmed in at least one block,
            but less than 6 blocks. */
        return tr("%1/unconfirmed").arg(depth);
    } else {
        /*: Text explaining the current status of a transaction, shown in the
            status field of the details window for this transaction. This status
            represents a transaction confirmed in 6 or more blocks. */
        return tr("%1 confirmations").arg(depth);
    }
}

// Takes an encoded PaymentRequest as a string and tries to find the Common Name of the X.509 certificate
// used to sign the PaymentRequest.
bool GetPaymentRequestMerchant(const std::string& pr, QString& merchant)
{
    // Search for the supported pki type strings
    if (pr.find(std::string({0x12, 0x0b}) + "x509+sha256") != std::string::npos || pr.find(std::string({0x12, 0x09}) + "x509+sha1") != std::string::npos) {
        // We want the common name of the Subject of the cert. This should be the second occurrence
        // of the bytes 0x0603550403. The first occurrence of those is the common name of the issuer.
        // After those bytes will be either 0x13 or 0x0C, then length, then either the ascii or utf8
        // string with the common name which is the merchant name
        size_t cn_pos = pr.find({0x06, 0x03, 0x55, 0x04, 0x03});
        if (cn_pos != std::string::npos) {
            cn_pos = pr.find({0x06, 0x03, 0x55, 0x04, 0x03}, cn_pos + 5);
            if (cn_pos != std::string::npos) {
                cn_pos += 5;
                if (pr[cn_pos] == 0x13 || pr[cn_pos] == 0x0c) {
                    cn_pos++; // Consume the type
                    int str_len = pr[cn_pos];
                    cn_pos++; // Consume the string length
                    merchant = QString::fromUtf8(pr.data() + cn_pos, str_len);
                    return true;
                }
            }
        }
    }
    return false;
}

QString TransactionDesc::toHTML(interfaces::Node& node, interfaces::Wallet& wallet, TransactionRecord* rec, BitcoinUnit unit)
{
    int numBlocks;
    interfaces::WalletTxStatus status;
    interfaces::WalletOrderForm orderForm;
    bool inMempool;
    interfaces::WalletTx wtx = wallet.getWalletTxDetails(rec->hash, status, orderForm, inMempool, numBlocks);

    QString strHTML;

    strHTML.reserve(4000);
    strHTML += "<html><font face='verdana, arial, helvetica, sans-serif'>";

    int64_t nTime = wtx.time;
    CAmount nCredit = wtx.credit;
    CAmount nDebit = wtx.debit;
    CAmount nNet = nCredit - nDebit;

    strHTML += "<b>" + tr("Status") + ":</b> " + FormatTxStatus(status, inMempool);
    strHTML += "<br>";

    strHTML += "<b>" + tr("Date") + ":</b> " + (nTime ? GUIUtil::dateTimeStr(nTime) : "") + "<br>";

    //
    // From
    //
    if (wtx.is_coinbase)
    {
        strHTML += "<b>" + tr("Source") + ":</b> " + tr("Generated") + "<br>";
    }
    else if (wtx.value_map.count("from") && !wtx.value_map["from"].empty())
    {
        // Online transaction
        strHTML += "<b>" + tr("From") + ":</b> " + GUIUtil::HtmlEscape(wtx.value_map["from"]) + "<br>";
    }
    else
    {
        // Offline transaction
        if (nNet > 0)
        {
            // Credit
            CTxDestination address = DecodeDestination(rec->address);
            if (IsValidDestination(address)) {
                std::string name;
                isminetype ismine;
                if (wallet.getAddress(address, &name, &ismine, /* purpose= */ nullptr))
                {
                    strHTML += "<b>" + tr("From") + ":</b> " + tr("unknown") + "<br>";
                    strHTML += "<b>" + tr("To") + ":</b> ";
                    strHTML += GUIUtil::HtmlEscape(rec->address);
                    QString addressOwned = ismine == ISMINE_SPENDABLE ? tr("own address") : tr("watch-only");
                    if (!name.empty())
                        strHTML += " (" + addressOwned + ", " + tr("label") + ": " + GUIUtil::HtmlEscape(name) + ")";
                    else
                        strHTML += " (" + addressOwned + ")";
                    strHTML += "<br>";
                }
            }
        }
    }

    //
    // To
    //
    if (wtx.value_map.count("to") && !wtx.value_map["to"].empty())
    {
        // Online transaction
        std::string strAddress = wtx.value_map["to"];
        strHTML += "<b>" + tr("To") + ":</b> ";
        CTxDestination dest = DecodeDestination(strAddress);
        std::string name;
        if (wallet.getAddress(
                dest, &name, /* is_mine= */ nullptr, /* purpose= */ nullptr) && !name.empty())
            strHTML += GUIUtil::HtmlEscape(name) + " ";
        strHTML += GUIUtil::HtmlEscape(strAddress) + "<br>";
    }

    //
    // Amount
    //
    if (wtx.is_coinbase && nCredit == 0)
    {
        //
        // Coinbase
        //
        CAmount nUnmatured = 0;
        for (const CTxOut& txout : wtx.tx->vout)
            nUnmatured += wallet.getCredit(txout, ISMINE_ALL);
        strHTML += "<b>" + tr("Credit") + ":</b> ";
        if (status.is_in_main_chain)
            strHTML += BitcoinUnits::formatHtmlWithUnit(unit, nUnmatured)+ " (" + tr("matures in %n more block(s)", "", status.blocks_to_maturity) + ")";
        else
            strHTML += "(" + tr("not accepted") + ")";
        strHTML += "<br>";
    }
    else if (nNet > 0)
    {
        //
        // Credit
        //
        strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, nNet) + "<br>";
    }
    else
    {
        isminetype fAllFromMe = ISMINE_SPENDABLE;
        for (const isminetype mine : wtx.txin_is_mine)
        {
            if(fAllFromMe > mine) fAllFromMe = mine;
        }

        isminetype fAllToMe = ISMINE_SPENDABLE;
        for (const isminetype mine : wtx.txout_is_mine)
        {
            if(fAllToMe > mine) fAllToMe = mine;
        }

        if (fAllFromMe)
        {
            if(fAllFromMe & ISMINE_WATCH_ONLY)
                strHTML += "<b>" + tr("From") + ":</b> " + tr("watch-only") + "<br>";

            //
            // Debit
            //
            auto mine = wtx.txout_is_mine.begin();
            for (const CTxOut& txout : wtx.tx->vout)
            {
                // Ignore change
                isminetype toSelf = *(mine++);
                if ((toSelf == ISMINE_SPENDABLE) && (fAllFromMe == ISMINE_SPENDABLE))
                    continue;

                if (!wtx.value_map.count("to") || wtx.value_map["to"].empty())
                {
                    // Offline transaction
                    CTxDestination address;
                    if (ExtractDestination(txout.scriptPubKey, address))
                    {
                        strHTML += "<b>" + tr("To") + ":</b> ";
                        std::string name;
                        if (wallet.getAddress(
                                address, &name, /* is_mine= */ nullptr, /* purpose= */ nullptr) && !name.empty())
                            strHTML += GUIUtil::HtmlEscape(name) + " ";
                        strHTML += GUIUtil::HtmlEscape(EncodeDestination(address));
                        if(toSelf == ISMINE_SPENDABLE)
                            strHTML += " (own address)";
                        else if(toSelf & ISMINE_WATCH_ONLY)
                            strHTML += " (watch-only)";
                        strHTML += "<br>";
                    }
                }

                strHTML += "<b>" + tr("Debit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -txout.nValue) + "<br>";
                if(toSelf)
                    strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, txout.nValue) + "<br>";
            }

            if (fAllToMe)
            {
                // Payment to self
                CAmount nChange = wtx.change;
                CAmount nValue = nCredit - nChange;
                strHTML += "<b>" + tr("Total debit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -nValue) + "<br>";
                strHTML += "<b>" + tr("Total credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, nValue) + "<br>";
            }

            CAmount nTxFee = nDebit - wtx.tx->GetValueOut();
            if (nTxFee > 0)
                strHTML += "<b>" + tr("Transaction fee") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -nTxFee) + "<br>";
        }
        else
        {
            //
            // Mixed debit transaction
            //
            auto mine = wtx.txin_is_mine.begin();
            for (const CTxIn& txin : wtx.tx->vin) {
                if (*(mine++)) {
                    strHTML += "<b>" + tr("Debit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -wallet.getDebit(txin, ISMINE_ALL)) + "<br>";
                }
            }
            mine = wtx.txout_is_mine.begin();
            for (const CTxOut& txout : wtx.tx->vout) {
                if (*(mine++)) {
                    strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, wallet.getCredit(txout, ISMINE_ALL)) + "<br>";
                }
            }
        }
    }

    strHTML += "<b>" + tr("Net amount") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, nNet, true) + "<br>";

    //
    // Message
    //
    if (wtx.value_map.count("message") && !wtx.value_map["message"].empty())
        strHTML += "<br><b>" + tr("Message") + ":</b><br>" + GUIUtil::HtmlEscape(wtx.value_map["message"], true) + "<br>";
    if (wtx.value_map.count("comment") && !wtx.value_map["comment"].empty())
        strHTML += "<br><b>" + tr("Comment") + ":</b><br>" + GUIUtil::HtmlEscape(wtx.value_map["comment"], true) + "<br>";

    strHTML += "<b>" + tr("Transaction ID") + ":</b> " + rec->getTxHash() + "<br>";
    strHTML += "<b>" + tr("Transaction total size") + ":</b> " + QString::number(wtx.tx->GetTotalSize()) + " bytes<br>";
    strHTML += "<b>" + tr("Transaction virtual size") + ":</b> " + QString::number(GetVirtualTransactionSize(*wtx.tx)) + " bytes<br>";
    strHTML += "<b>" + tr("Output index") + ":</b> " + QString::number(rec->getOutputIndex()) + "<br>";

    // Message from normal bitcoin:URI (bitcoin:123...?message=example)
    for (const std::pair<std::string, std::string>& r : orderForm) {
        if (r.first == "Message")
            strHTML += "<br><b>" + tr("Message") + ":</b><br>" + GUIUtil::HtmlEscape(r.second, true) + "<br>";

        //
        // PaymentRequest info:
        //
        if (r.first == "PaymentRequest")
        {
            QString merchant;
            if (!GetPaymentRequestMerchant(r.second, merchant)) {
                merchant.clear();
            } else {
                merchant += tr(" (Certificate was not verified)");
            }
            if (!merchant.isNull()) {
                strHTML += "<b>" + tr("Merchant") + ":</b> " + GUIUtil::HtmlEscape(merchant) + "<br>";
            }
        }
    }

    if (wtx.is_coinbase)
    {
        quint32 numBlocksToMaturity = COINBASE_MATURITY +  1;
        strHTML += "<br>" + tr("Generated coins must mature %1 blocks before they can be spent. When you generated this block, it was broadcast to the network to be added to the block chain. If it fails to get into the chain, its state will change to \"not accepted\" and it won't be spendable. This may occasionally happen if another node generates a block within a few seconds of yours.").arg(QString::number(numBlocksToMaturity)) + "<br>";
    }

    //
    // Debug view
    //
    if (node.getLogCategories() != BCLog::NONE)
    {
        strHTML += "<hr><br>" + tr("Debug information") + "<br><br>";
        for (const CTxIn& txin : wtx.tx->vin)
            if(wallet.txinIsMine(txin))
                strHTML += "<b>" + tr("Debit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -wallet.getDebit(txin, ISMINE_ALL)) + "<br>";
        for (const CTxOut& txout : wtx.tx->vout)
            if(wallet.txoutIsMine(txout))
                strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, wallet.getCredit(txout, ISMINE_ALL)) + "<br>";

        strHTML += "<br><b>" + tr("Transaction") + ":</b><br>";
        strHTML += GUIUtil::HtmlEscape(wtx.tx->ToString(), true);

        strHTML += "<br><b>" + tr("Inputs") + ":</b>";
        strHTML += "<ul>";

        for (const CTxIn& txin : wtx.tx->vin)
        {
            COutPoint prevout = txin.prevout;

            Coin prev;
            if(node.getUnspentOutput(prevout, prev))
            {
                {
                    strHTML += "<li>";
                    const CTxOut &vout = prev.out;
                    CTxDestination address;
                    if (ExtractDestination(vout.scriptPubKey, address))
                    {
                        std::string name;
                        if (wallet.getAddress(address, &name, /* is_mine= */ nullptr, /* purpose= */ nullptr) && !name.empty())
                            strHTML += GUIUtil::HtmlEscape(name) + " ";
                        strHTML += QString::fromStdString(EncodeDestination(address));
                    }
                    strHTML = strHTML + " " + tr("Amount") + "=" + BitcoinUnits::formatHtmlWithUnit(unit, vout.nValue);
                    strHTML = strHTML + " IsMine=" + (wallet.txoutIsMine(vout) & ISMINE_SPENDABLE ? tr("true") : tr("false")) + "</li>";
                    strHTML = strHTML + " IsWatchOnly=" + (wallet.txoutIsMine(vout) & ISMINE_WATCH_ONLY ? tr("true") : tr("false")) + "</li>";
                }
            }
        }

        strHTML += "</ul>";
    }

    strHTML += "</font></html>";
    return strHTML;
}