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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.

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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 <bitcoin-build-config.h> // IWYU pragma: keep
6
7#include <qt/sendcoinsdialog.h>
8#include <qt/forms/ui_sendcoinsdialog.h>
9
10#include <qt/addresstablemodel.h>
11#include <qt/bitcoinunits.h>
12#include <qt/clientmodel.h>
13#include <qt/coincontroldialog.h>
14#include <qt/guiutil.h>
15#include <qt/optionsmodel.h>
16#include <qt/platformstyle.h>
17#include <qt/sendcoinsentry.h>
18
19#include <chainparams.h>
20#include <interfaces/node.h>
21#include <key_io.h>
22#include <node/interface_ui.h>
23#include <node/types.h>
24#include <txmempool.h>
25#include <validation.h>
26#include <wallet/coincontrol.h>
27#include <wallet/fees.h>
28#include <wallet/types.h>
29#include <wallet/wallet.h>
30
31#include <array>
32#include <chrono>
33#include <fstream>
34#include <memory>
35#include <optional>
36
37#include <QFontMetrics>
38#include <QScrollBar>
39#include <QSettings>
40#include <QTextDocument>
41
42using common::PSBTError;
43using wallet::CCoinControl;
44
45static constexpr std::array confTargets{2, 4, 6, 12, 24, 48, 144, 504, 1008};
46int getConfTargetForIndex(int index) {
47    if (index+1 > static_cast<int>(confTargets.size())) {
48        return confTargets.back();
49    }
50    if (index < 0) {
51        return confTargets[0];
52    }
53    return confTargets[index];
54}
55int getIndexForConfTarget(int target) {
56    for (unsigned int i = 0; i < confTargets.size(); i++) {
57        if (confTargets[i] >= target) {
58            return i;
59        }
60    }
61    return confTargets.size() - 1;
62}
63
64SendCoinsDialog::SendCoinsDialog(const PlatformStyle *_platformStyle, QWidget *parent) :
65    QDialog(parent, GUIUtil::dialog_flags),
66    ui(new Ui::SendCoinsDialog),
67    m_coin_control(new CCoinControl),
68    platformStyle(_platformStyle)
69{
70    ui->setupUi(this);
71
72    if (!_platformStyle->getImagesOnButtons()) {
73        ui->addButton->setIcon(QIcon());
74        ui->clearButton->setIcon(QIcon());
75        ui->sendButton->setIcon(QIcon());
76    } else {
77        ui->addButton->setIcon(_platformStyle->SingleColorIcon(":/icons/add"));
78        ui->clearButton->setIcon(_platformStyle->SingleColorIcon(":/icons/remove"));
79        ui->sendButton->setIcon(_platformStyle->SingleColorIcon(":/icons/send"));
80    }
81
82    GUIUtil::setupAddressWidget(ui->lineEditCoinControlChange, this);
83
84    addEntry();
85
86    connect(ui->addButton, &QPushButton::clicked, this, &SendCoinsDialog::addEntry);
87    connect(ui->clearButton, &QPushButton::clicked, this, &SendCoinsDialog::clear);
88
89    // Coin Control
90    connect(ui->pushButtonCoinControl, &QPushButton::clicked, this, &SendCoinsDialog::coinControlButtonClicked);
91#if (QT_VERSION >= QT_VERSION_CHECK(6, 7, 0))
92    connect(ui->checkBoxCoinControlChange, &QCheckBox::checkStateChanged, this, &SendCoinsDialog::coinControlChangeChecked);
93#else
94    connect(ui->checkBoxCoinControlChange, &QCheckBox::stateChanged, this, &SendCoinsDialog::coinControlChangeChecked);
95#endif
96    connect(ui->lineEditCoinControlChange, &QValidatedLineEdit::textEdited, this, &SendCoinsDialog::coinControlChangeEdited);
97
98    // Coin Control: clipboard actions
99    QAction *clipboardQuantityAction = new QAction(tr("Copy quantity"), this);
100    QAction *clipboardAmountAction = new QAction(tr("Copy amount"), this);
101    QAction *clipboardFeeAction = new QAction(tr("Copy fee"), this);
102    QAction *clipboardAfterFeeAction = new QAction(tr("Copy after fee"), this);
103    QAction *clipboardBytesAction = new QAction(tr("Copy bytes"), this);
104    QAction *clipboardChangeAction = new QAction(tr("Copy change"), this);
105    connect(clipboardQuantityAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardQuantity);
106    connect(clipboardAmountAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardAmount);
107    connect(clipboardFeeAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardFee);
108    connect(clipboardAfterFeeAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardAfterFee);
109    connect(clipboardBytesAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardBytes);
110    connect(clipboardChangeAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardChange);
111    ui->labelCoinControlQuantity->addAction(clipboardQuantityAction);
112    ui->labelCoinControlAmount->addAction(clipboardAmountAction);
113    ui->labelCoinControlFee->addAction(clipboardFeeAction);
114    ui->labelCoinControlAfterFee->addAction(clipboardAfterFeeAction);
115    ui->labelCoinControlBytes->addAction(clipboardBytesAction);
116    ui->labelCoinControlChange->addAction(clipboardChangeAction);
117
118    // init transaction fee section
119    QSettings settings;
120    if (!settings.contains("fFeeSectionMinimized"))
121        settings.setValue("fFeeSectionMinimized", true);
122    if (!settings.contains("nFeeRadio") && settings.contains("nTransactionFee") && settings.value("nTransactionFee").toLongLong() > 0) // compatibility
123        settings.setValue("nFeeRadio", 1); // custom
124    if (!settings.contains("nFeeRadio"))
125        settings.setValue("nFeeRadio", 0); // recommended
126    if (!settings.contains("nSmartFeeSliderPosition"))
127        settings.setValue("nSmartFeeSliderPosition", 0);
128    ui->groupFee->setId(ui->radioSmartFee, 0);
129    ui->groupFee->setId(ui->radioCustomFee, 1);
130    ui->groupFee->button((int)std::max(0, std::min(1, settings.value("nFeeRadio").toInt())))->setChecked(true);
131    ui->customFee->SetAllowEmpty(false);
132    ui->customFee->setValue(settings.value("nTransactionFee").toLongLong());
133    minimizeFeeSection(settings.value("fFeeSectionMinimized").toBool());
134
135    GUIUtil::ExceptionSafeConnect(ui->sendButton, &QPushButton::clicked, this, &SendCoinsDialog::sendButtonClicked);
136}
137
138void SendCoinsDialog::setClientModel(ClientModel *_clientModel)
139{
140    this->clientModel = _clientModel;
141
142    if (_clientModel) {
143        connect(_clientModel, &ClientModel::numBlocksChanged, this, &SendCoinsDialog::updateNumberOfBlocks);
144    }
145}
146
147void SendCoinsDialog::setModel(WalletModel *_model)
148{
149    this->model = _model;
150
151    if(_model && _model->getOptionsModel())
152    {
153        for(int i = 0; i < ui->entries->count(); ++i)
154        {
155            SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
156            if(entry)
157            {
158                entry->setModel(_model);
159            }
160        }
161
162        connect(_model, &WalletModel::balanceChanged, this, &SendCoinsDialog::setBalance);
163        connect(_model->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &SendCoinsDialog::refreshBalance);
164        refreshBalance();
165
166        // Coin Control
167        connect(_model->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &SendCoinsDialog::coinControlUpdateLabels);
168        connect(_model->getOptionsModel(), &OptionsModel::coinControlFeaturesChanged, this, &SendCoinsDialog::coinControlFeatureChanged);
169        ui->frameCoinControl->setVisible(_model->getOptionsModel()->getCoinControlFeatures());
170        coinControlUpdateLabels();
171
172        // fee section
173        for (const int n : confTargets) {
174            ui->confTargetSelector->addItem(tr("%1 (%2 blocks)").arg(GUIUtil::formatNiceTimeOffset(n*Params().GetConsensus().nPowTargetSpacing)).arg(n));
175        }
176        connect(ui->confTargetSelector, qOverload<int>(&QComboBox::currentIndexChanged), this, &SendCoinsDialog::updateSmartFeeLabel);
177        connect(ui->confTargetSelector, qOverload<int>(&QComboBox::currentIndexChanged), this, &SendCoinsDialog::coinControlUpdateLabels);
178
179        connect(ui->groupFee, &QButtonGroup::idClicked, this, &SendCoinsDialog::updateFeeSectionControls);
180        connect(ui->groupFee, &QButtonGroup::idClicked, this, &SendCoinsDialog::coinControlUpdateLabels);
181
182        connect(ui->customFee, &BitcoinAmountField::valueChanged, this, &SendCoinsDialog::coinControlUpdateLabels);
183        CAmount requiredFee = model->wallet().getRequiredFee(1000);
184        ui->customFee->SetMinValue(requiredFee);
185        if (ui->customFee->value() < requiredFee) {
186            ui->customFee->setValue(requiredFee);
187        }
188        ui->customFee->setSingleStep(requiredFee);
189        updateFeeSectionControls();
190        updateSmartFeeLabel();
191
192        if (model->wallet().hasExternalSigner()) {
193            //: "device" usually means a hardware wallet.
194            ui->sendButton->setText(tr("Sign on device"));
195            if (model->getOptionsModel()->hasSigner()) {
196                ui->sendButton->setEnabled(true);
197                ui->sendButton->setToolTip(tr("Connect your hardware wallet first."));
198            } else {
199                ui->sendButton->setEnabled(false);
200                //: "External signer" means using devices such as hardware wallets.
201                ui->sendButton->setToolTip(tr("Set external signer script path in Options -> Wallet"));
202            }
203        } else if (model->wallet().privateKeysDisabled()) {
204            ui->sendButton->setText(tr("Cr&eate Unsigned"));
205            ui->sendButton->setToolTip(tr("Creates a Partially Signed Bitcoin Transaction (PSBT) for use with e.g. an offline %1 wallet, or a PSBT-compatible hardware wallet.").arg(CLIENT_NAME));
206        }
207
208        // set the smartfee-sliders default value (wallets default conf.target or last stored value)
209        QSettings settings;
210        if (settings.value("nSmartFeeSliderPosition").toInt() != 0) {
211            // migrate nSmartFeeSliderPosition to nConfTarget
212            // nConfTarget is available since 0.15 (replaced nSmartFeeSliderPosition)
213            int nConfirmTarget = 25 - settings.value("nSmartFeeSliderPosition").toInt(); // 25 == old slider range
214            settings.setValue("nConfTarget", nConfirmTarget);
215            settings.remove("nSmartFeeSliderPosition");
216        }
217        if (settings.value("nConfTarget").toInt() == 0)
218            ui->confTargetSelector->setCurrentIndex(getIndexForConfTarget(model->wallet().getConfirmTarget()));
219        else
220            ui->confTargetSelector->setCurrentIndex(getIndexForConfTarget(settings.value("nConfTarget").toInt()));
221    }
222}
223
224SendCoinsDialog::~SendCoinsDialog()
225{
226    QSettings settings;
227    settings.setValue("fFeeSectionMinimized", fFeeMinimized);
228    settings.setValue("nFeeRadio", ui->groupFee->checkedId());
229    settings.setValue("nConfTarget", getConfTargetForIndex(ui->confTargetSelector->currentIndex()));
230    settings.setValue("nTransactionFee", (qint64)ui->customFee->value());
231
232    delete ui;
233}
234
235bool SendCoinsDialog::PrepareSendText(QString& question_string, QString& informative_text, QString& detailed_text)
236{
237    QList<SendCoinsRecipient> recipients;
238    bool valid = true;
239
240    for(int i = 0; i < ui->entries->count(); ++i)
241    {
242        SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
243        if(entry)
244        {
245            if(entry->validate(model->node()))
246            {
247                recipients.append(entry->getValue());
248            }
249            else if (valid)
250            {

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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