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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.

7,613 bytes · SHA-256 52a52f026a755078… · 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/bitcoinunits.h>
6
7#include <consensus/amount.h>
8
9#include <QStringList>
10
11#include <cassert>
12
13static constexpr auto MAX_DIGITS_BTC = 16;
14
15BitcoinUnits::BitcoinUnits(QObject *parent):
16        QAbstractListModel(parent),
17        unitlist(availableUnits())
18{
19}
20
21QList<BitcoinUnit> BitcoinUnits::availableUnits()
22{
23    QList<BitcoinUnit> unitlist;
24    unitlist.append(Unit::BTC);
25    unitlist.append(Unit::mBTC);
26    unitlist.append(Unit::uBTC);
27    unitlist.append(Unit::SAT);
28    return unitlist;
29}
30
31QString BitcoinUnits::longName(Unit unit)
32{
33    switch (unit) {
34    case Unit::BTC: return QString("BTC");
35    case Unit::mBTC: return QString("mBTC");
36    case Unit::uBTC: return QString::fromUtf8("µBTC (bits)");
37    case Unit::SAT: return QString("Satoshi (sat)");
38    } // no default case, so the compiler can warn about missing cases
39    assert(false);
40}
41
42QString BitcoinUnits::shortName(Unit unit)
43{
44    switch (unit) {
45    case Unit::BTC: return longName(unit);
46    case Unit::mBTC: return longName(unit);
47    case Unit::uBTC: return QString("bits");
48    case Unit::SAT: return QString("sat");
49    } // no default case, so the compiler can warn about missing cases
50    assert(false);
51}
52
53QString BitcoinUnits::description(Unit unit)
54{
55    switch (unit) {
56    case Unit::BTC: return QString("Bitcoins");
57    case Unit::mBTC: return QString("Milli-Bitcoins (1 / 1" THIN_SP_UTF8 "000)");
58    case Unit::uBTC: return QString("Micro-Bitcoins (bits) (1 / 1" THIN_SP_UTF8 "000" THIN_SP_UTF8 "000)");
59    case Unit::SAT: return QString("Satoshi (sat) (1 / 100" THIN_SP_UTF8 "000" THIN_SP_UTF8 "000)");
60    } // no default case, so the compiler can warn about missing cases
61    assert(false);
62}
63
64qint64 BitcoinUnits::factor(Unit unit)
65{
66    switch (unit) {
67    case Unit::BTC: return 100'000'000;
68    case Unit::mBTC: return 100'000;
69    case Unit::uBTC: return 100;
70    case Unit::SAT: return 1;
71    } // no default case, so the compiler can warn about missing cases
72    assert(false);
73}
74
75int BitcoinUnits::decimals(Unit unit)
76{
77    switch (unit) {
78    case Unit::BTC: return 8;
79    case Unit::mBTC: return 5;
80    case Unit::uBTC: return 2;
81    case Unit::SAT: return 0;
82    } // no default case, so the compiler can warn about missing cases
83    assert(false);
84}
85
86QString BitcoinUnits::format(Unit unit, const CAmount& nIn, bool fPlus, SeparatorStyle separators, bool justify)
87{
88    // Note: not using straight sprintf here because we do NOT want
89    // localized number formatting.
90    qint64 n = (qint64)nIn;
91    qint64 coin = factor(unit);
92    int num_decimals = decimals(unit);
93    qint64 n_abs = (n > 0 ? n : -n);
94    qint64 quotient = n_abs / coin;
95    QString quotient_str = QString::number(quotient);
96    if (justify) {
97        quotient_str = quotient_str.rightJustified(MAX_DIGITS_BTC - num_decimals, ' ');
98    }
99
100    // Use SI-style thin space separators as these are locale independent and can't be
101    // confused with the decimal marker.
102    QChar thin_sp(THIN_SP_CP);
103    int q_size = quotient_str.size();
104    if (separators == SeparatorStyle::ALWAYS || (separators == SeparatorStyle::STANDARD && q_size > 4))
105        for (int i = 3; i < q_size; i += 3)
106            quotient_str.insert(q_size - i, thin_sp);
107
108    if (n < 0)
109        quotient_str.insert(0, '-');
110    else if (fPlus && n > 0)
111        quotient_str.insert(0, '+');
112
113    if (num_decimals > 0) {
114        qint64 remainder = n_abs % coin;
115        QString remainder_str = QString::number(remainder).rightJustified(num_decimals, '0');
116        return quotient_str + QString(".") + remainder_str;
117    } else {
118        return quotient_str;
119    }
120}
121
122
123// NOTE: Using formatWithUnit in an HTML context risks wrapping
124// quantities at the thousands separator. More subtly, it also results
125// in a standard space rather than a thin space, due to a bug in Qt's
126// XML whitespace canonicalisation
127//
128// Please take care to use formatHtmlWithUnit instead, when
129// appropriate.
130
131QString BitcoinUnits::formatWithUnit(Unit unit, const CAmount& amount, bool plussign, SeparatorStyle separators)
132{
133    return format(unit, amount, plussign, separators) + QString(" ") + shortName(unit);
134}
135
136QString BitcoinUnits::formatHtmlWithUnit(Unit unit, const CAmount& amount, bool plussign, SeparatorStyle separators)
137{
138    QString str(formatWithUnit(unit, amount, plussign, separators));
139    str.replace(QChar(THIN_SP_CP), QString(THIN_SP_HTML));
140    return QString("<span style='white-space: nowrap;'>%1</span>").arg(str);
141}
142
143QString BitcoinUnits::formatWithPrivacy(Unit unit, const CAmount& amount, SeparatorStyle separators, bool privacy)
144{
145    assert(amount >= 0);
146    QString value;
147    if (privacy) {
148        value = format(unit, 0, false, separators, true).replace('0', '#');
149    } else {
150        value = format(unit, amount, false, separators, true);
151    }
152    return value + QString(" ") + shortName(unit);
153}
154
155bool BitcoinUnits::parse(Unit unit, const QString& value, CAmount* val_out)
156{
157    if (value.isEmpty()) {
158        return false; // Refuse to parse invalid unit or empty string
159    }
160    int num_decimals = decimals(unit);
161
162    // Ignore spaces and thin spaces when parsing
163    QStringList parts = removeSpaces(value).split(".");
164
165    if(parts.size() > 2)
166    {
167        return false; // More than one dot
168    }
169    const QString& whole = parts[0];
170    QString decimals;
171
172    if(parts.size() > 1)
173    {
174        decimals = parts[1];
175    }
176    if(decimals.size() > num_decimals)
177    {
178        return false; // Exceeds max precision
179    }
180    bool ok = false;
181    QString str = whole + decimals.leftJustified(num_decimals, '0');
182
183    if(str.size() > 18)
184    {
185        return false; // Longer numbers will exceed 63 bits
186    }
187    CAmount retvalue(str.toLongLong(&ok));
188    if(val_out)
189    {
190        *val_out = retvalue;
191    }
192    return ok;
193}
194
195QString BitcoinUnits::getAmountColumnTitle(Unit unit)
196{
197    return QObject::tr("Amount") + " (" + shortName(unit) + ")";
198}
199
200int BitcoinUnits::rowCount(const QModelIndex &parent) const
201{
202    Q_UNUSED(parent);
203    return unitlist.size();
204}
205
206QVariant BitcoinUnits::data(const QModelIndex &index, int role) const
207{
208    int row = index.row();
209    if(row >= 0 && row < unitlist.size())
210    {
211        Unit unit = unitlist.at(row);
212        switch(role)
213        {
214        case Qt::EditRole:
215        case Qt::DisplayRole:
216            return QVariant(longName(unit));
217        case Qt::ToolTipRole:
218            return QVariant(description(unit));
219        case UnitRole:
220            return QVariant::fromValue(unit);
221        }
222    }
223    return QVariant();
224}
225
226CAmount BitcoinUnits::maxMoney()
227{
228    return MAX_MONEY;
229}
230
231namespace {
232qint8 ToQint8(BitcoinUnit unit)
233{
234    switch (unit) {
235    case BitcoinUnit::BTC: return 0;
236    case BitcoinUnit::mBTC: return 1;
237    case BitcoinUnit::uBTC: return 2;
238    case BitcoinUnit::SAT: return 3;
239    } // no default case, so the compiler can warn about missing cases
240    assert(false);
241}
242
243BitcoinUnit FromQint8(qint8 num)
244{
245    switch (num) {
246    case 0: return BitcoinUnit::BTC;
247    case 1: return BitcoinUnit::mBTC;
248    case 2: return BitcoinUnit::uBTC;
249    case 3: return BitcoinUnit::SAT;
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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