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The code behind the network, with room to understand it.

Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

11,508 bytes · SHA-256 7ba80ce9a6d97bc5… · View upstream ↗

1// Copyright (c) 2011-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <qt/overviewpage.h>
6#include <qt/forms/ui_overviewpage.h>
7
8#include <qt/bitcoinunits.h>
9#include <qt/clientmodel.h>
10#include <qt/guiconstants.h>
11#include <qt/guiutil.h>
12#include <qt/optionsmodel.h>
13#include <qt/platformstyle.h>
14#include <qt/transactionfilterproxy.h>
15#include <qt/transactionoverviewwidget.h>
16#include <qt/transactiontablemodel.h>
17#include <qt/walletmodel.h>
18
19#include <QAbstractItemDelegate>
20#include <QApplication>
21#include <QDateTime>
22#include <QPainter>
23#include <QStatusTipEvent>
24
25#include <algorithm>
26#include <map>
27
28#define DECORATION_SIZE 54
29#define NUM_ITEMS 5
30
31Q_DECLARE_METATYPE(interfaces::WalletBalances)
32
33class TxViewDelegate : public QAbstractItemDelegate
34{
35    Q_OBJECT
36public:
37    explicit TxViewDelegate(const PlatformStyle* _platformStyle, QObject* parent = nullptr)
38        : QAbstractItemDelegate(parent), platformStyle(_platformStyle)
39    {
40        connect(this, &TxViewDelegate::width_changed, this, &TxViewDelegate::sizeHintChanged);
41    }
42
43    inline void paint(QPainter *painter, const QStyleOptionViewItem &option,
44                      const QModelIndex &index ) const override
45    {
46        painter->save();
47
48        QIcon icon = qvariant_cast<QIcon>(index.data(TransactionTableModel::RawDecorationRole));
49        QRect mainRect = option.rect;
50        QRect decorationRect(mainRect.topLeft(), QSize(DECORATION_SIZE, DECORATION_SIZE));
51        int xspace = DECORATION_SIZE + 8;
52        int ypad = 6;
53        int halfheight = (mainRect.height() - 2*ypad)/2;
54        QRect amountRect(mainRect.left() + xspace, mainRect.top()+ypad, mainRect.width() - xspace, halfheight);
55        QRect addressRect(mainRect.left() + xspace, mainRect.top()+ypad+halfheight, mainRect.width() - xspace, halfheight);
56        icon = platformStyle->SingleColorIcon(icon);
57        icon.paint(painter, decorationRect);
58
59        QDateTime date = index.data(TransactionTableModel::DateRole).toDateTime();
60        QString address = index.data(Qt::DisplayRole).toString();
61        qint64 amount = index.data(TransactionTableModel::AmountRole).toLongLong();
62        bool confirmed = index.data(TransactionTableModel::ConfirmedRole).toBool();
63        QVariant value = index.data(Qt::ForegroundRole);
64        QColor foreground = option.palette.color(QPalette::Text);
65        if(value.canConvert<QBrush>())
66        {
67            QBrush brush = qvariant_cast<QBrush>(value);
68            foreground = brush.color();
69        }
70
71        painter->setPen(foreground);
72        QRect boundingRect;
73        painter->drawText(addressRect, Qt::AlignLeft | Qt::AlignVCenter, address, &boundingRect);
74
75        if(amount < 0)
76        {
77            foreground = COLOR_NEGATIVE;
78        }
79        else if(!confirmed)
80        {
81            foreground = COLOR_UNCONFIRMED;
82        }
83        else
84        {
85            foreground = option.palette.color(QPalette::Text);
86        }
87        painter->setPen(foreground);
88        QString amountText = BitcoinUnits::formatWithUnit(unit, amount, true, BitcoinUnits::SeparatorStyle::ALWAYS);
89        if(!confirmed)
90        {
91            amountText = QString("[") + amountText + QString("]");
92        }
93
94        QRect amount_bounding_rect;
95        painter->drawText(amountRect, Qt::AlignRight | Qt::AlignVCenter, amountText, &amount_bounding_rect);
96
97        painter->setPen(option.palette.color(QPalette::Text));
98        QRect date_bounding_rect;
99        painter->drawText(amountRect, Qt::AlignLeft | Qt::AlignVCenter, GUIUtil::dateTimeStr(date), &date_bounding_rect);
100
101        // 0.4*date_bounding_rect.width() is used to visually distinguish a date from an amount.
102        const int minimum_width = 1.4 * date_bounding_rect.width() + amount_bounding_rect.width();
103        const auto search = m_minimum_width.find(index.row());
104        if (search == m_minimum_width.end() || search->second != minimum_width) {
105            m_minimum_width[index.row()] = minimum_width;
106            Q_EMIT width_changed(index);
107        }
108
109        painter->restore();
110    }
111
112    inline QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override
113    {
114        const auto search = m_minimum_width.find(index.row());
115        const int minimum_text_width = search == m_minimum_width.end() ? 0 : search->second;
116        return {DECORATION_SIZE + 8 + minimum_text_width, DECORATION_SIZE};
117    }
118
119    BitcoinUnit unit{BitcoinUnit::BTC};
120
121Q_SIGNALS:
122    //! An intermediate signal for emitting from the `paint() const` member function.
123    void width_changed(const QModelIndex& index) const;
124
125private:
126    const PlatformStyle* platformStyle;
127    mutable std::map<int, int> m_minimum_width;
128};
129
130#include <qt/overviewpage.moc>
131
132OverviewPage::OverviewPage(const PlatformStyle *platformStyle, QWidget *parent) :
133    QWidget(parent),
134    ui(new Ui::OverviewPage),
135    m_platform_style{platformStyle},
136    txdelegate(new TxViewDelegate(platformStyle, this))
137{
138    ui->setupUi(this);
139
140    // use a SingleColorIcon for the "out of sync warning" icon
141    QIcon icon = m_platform_style->SingleColorIcon(QStringLiteral(":/icons/warning"));
142    ui->labelTransactionsStatus->setIcon(icon);
143    ui->labelWalletStatus->setIcon(icon);
144
145    // Recent transactions
146    ui->listTransactions->setItemDelegate(txdelegate);
147    ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
148    ui->listTransactions->setMinimumHeight(NUM_ITEMS * (DECORATION_SIZE + 2));
149    ui->listTransactions->setAttribute(Qt::WA_MacShowFocusRect, false);
150
151    connect(ui->listTransactions, &TransactionOverviewWidget::clicked, this, &OverviewPage::handleTransactionClicked);
152
153    // start with displaying the "out of sync" warnings
154    showOutOfSyncWarning(true);
155    connect(ui->labelWalletStatus, &QPushButton::clicked, this, &OverviewPage::outOfSyncWarningClicked);
156    connect(ui->labelTransactionsStatus, &QPushButton::clicked, this, &OverviewPage::outOfSyncWarningClicked);
157}
158
159void OverviewPage::handleTransactionClicked(const QModelIndex &index)
160{
161    if(filter)
162        Q_EMIT transactionClicked(filter->mapToSource(index));
163}
164
165void OverviewPage::setPrivacy(bool privacy)
166{
167    m_privacy = privacy;
168    clientModel->getOptionsModel()->setOption(OptionsModel::OptionID::MaskValues, privacy);
169    const auto& balances = walletModel->getCachedBalance();
170    if (balances.balance != -1) {
171        setBalance(balances);
172    }
173
174    ui->listTransactions->setVisible(!m_privacy);
175
176    const QString status_tip = m_privacy ? tr("Privacy mode activated for the Overview tab. To unmask the values, uncheck Settings->Mask values.") : "";
177    setStatusTip(status_tip);
178    QStatusTipEvent event(status_tip);
179    QApplication::sendEvent(this, &event);
180}
181
182OverviewPage::~OverviewPage()
183{
184    delete ui;
185}
186
187void OverviewPage::setBalance(const interfaces::WalletBalances& balances)
188{
189    BitcoinUnit unit = walletModel->getOptionsModel()->getDisplayUnit();
190    ui->labelBalance->setText(BitcoinUnits::formatWithPrivacy(unit, balances.balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
191    ui->labelUnconfirmed->setText(BitcoinUnits::formatWithPrivacy(unit, balances.unconfirmed_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
192    ui->labelImmature->setText(BitcoinUnits::formatWithPrivacy(unit, balances.immature_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
193    ui->labelTotal->setText(BitcoinUnits::formatWithPrivacy(unit, balances.balance + balances.unconfirmed_balance + balances.immature_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
194    // only show immature (newly mined) balance if it's non-zero, so as not to complicate things
195    // for the non-mining users
196    bool showImmature = balances.immature_balance != 0;
197
198    ui->labelImmature->setVisible(showImmature);
199    ui->labelImmatureText->setVisible(showImmature);
200}
201
202void OverviewPage::setClientModel(ClientModel *model)
203{
204    this->clientModel = model;
205    if (model) {
206        // Show warning, for example if this is a prerelease version
207        connect(model, &ClientModel::alertsChanged, this, &OverviewPage::updateAlerts);
208        updateAlerts(model->getStatusBarWarnings());
209
210        connect(model->getOptionsModel(), &OptionsModel::fontForMoneyChanged, this, &OverviewPage::setMonospacedFont);
211        setMonospacedFont(clientModel->getOptionsModel()->getFontForMoney());
212    }
213}
214
215void OverviewPage::setWalletModel(WalletModel *model)
216{
217    this->walletModel = model;
218    if(model && model->getOptionsModel())
219    {
220        // Set up transaction list
221        filter.reset(new TransactionFilterProxy());
222        filter->setSourceModel(model->getTransactionTableModel());
223        filter->setDynamicSortFilter(true);
224        filter->setSortRole(Qt::EditRole);
225        filter->setShowInactive(false);
226        filter->sort(TransactionTableModel::Date, Qt::DescendingOrder);
227
228        ui->listTransactions->setModel(filter.get());
229        ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
230
231        connect(filter.get(), &TransactionFilterProxy::rowsInserted, this, &OverviewPage::LimitTransactionRows);
232        connect(filter.get(), &TransactionFilterProxy::rowsRemoved, this, &OverviewPage::LimitTransactionRows);
233        connect(filter.get(), &TransactionFilterProxy::rowsMoved, this, &OverviewPage::LimitTransactionRows);
234        LimitTransactionRows();
235        // Keep up to date with wallet
236        setBalance(model->getCachedBalance());
237        connect(model, &WalletModel::balanceChanged, this, &OverviewPage::setBalance);
238
239        connect(model->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &OverviewPage::updateDisplayUnit);
240    }
241
242    // update the display unit, to not use the default ("BTC")
243    updateDisplayUnit();
244}
245
246void OverviewPage::changeEvent(QEvent* e)
247{
248    if (e->type() == QEvent::PaletteChange) {
249        QIcon icon = m_platform_style->SingleColorIcon(QStringLiteral(":/icons/warning"));
250        ui->labelTransactionsStatus->setIcon(icon);

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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