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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.

9,392 bytes · SHA-256 e5400dd5a1908a0b… · 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 <bitcoin-build-config.h> // IWYU pragma: keep
6
7#include <qt/clientmodel.h>
8
9#include <qt/bantablemodel.h>
10#include <qt/guiconstants.h>
11#include <qt/guiutil.h>
12#include <qt/peertablemodel.h>
13#include <qt/peertablesortproxy.h>
14
15#include <clientversion.h>
16#include <common/args.h>
17#include <common/system.h>
18#include <interfaces/handler.h>
19#include <interfaces/node.h>
20#include <net.h>
21#include <netbase.h>
22#include <util/threadnames.h>
23#include <util/time.h>
24#include <validation.h>
25
26#include <cstdint>
27
28#include <QDebug>
29#include <QMetaObject>
30#include <QThread>
31#include <QTimer>
32
33static SteadyClock::time_point g_last_header_tip_update_notification{};
34static SteadyClock::time_point g_last_block_tip_update_notification{};
35
36ClientModel::ClientModel(interfaces::Node& node, OptionsModel *_optionsModel, QObject *parent) :
37    QObject(parent),
38    m_node(node),
39    optionsModel(_optionsModel),
40    m_thread(new QThread(this))
41{
42    cachedBestHeaderHeight = -1;
43    cachedBestHeaderTime = -1;
44
45    peerTableModel = new PeerTableModel(m_node, this);
46    m_peer_table_sort_proxy = new PeerTableSortProxy(this);
47    m_peer_table_sort_proxy->setSourceModel(peerTableModel);
48
49    banTableModel = new BanTableModel(m_node, this);
50
51    QTimer* timer = new QTimer;
52    timer->setInterval(MODEL_UPDATE_DELAY);
53    connect(timer, &QTimer::timeout, [this] {
54        // no locking required at this point
55        // the following calls will acquire the required lock
56        Q_EMIT mempoolSizeChanged(m_node.getMempoolSize(), m_node.getMempoolDynamicUsage(), m_node.getMempoolMaxUsage());
57        Q_EMIT bytesChanged(m_node.getTotalBytesRecv(), m_node.getTotalBytesSent());
58    });
59    connect(m_thread, &QThread::finished, timer, &QObject::deleteLater);
60    connect(m_thread, &QThread::started, [timer] { timer->start(); });
61    // move timer to thread so that polling doesn't disturb main event loop
62    timer->moveToThread(m_thread);
63    m_thread->start();
64    QTimer::singleShot(0, timer, []() {
65        util::ThreadRename("qt-clientmodl");
66    });
67
68    subscribeToCoreSignals();
69}
70
71void ClientModel::stop()
72{
73    unsubscribeFromCoreSignals();
74
75    m_thread->quit();
76    m_thread->wait();
77}
78
79ClientModel::~ClientModel()
80{
81    stop();
82}
83
84int ClientModel::getNumConnections(unsigned int flags) const
85{
86    ConnectionDirection connections = ConnectionDirection::None;
87
88    if(flags == CONNECTIONS_IN)
89        connections = ConnectionDirection::In;
90    else if (flags == CONNECTIONS_OUT)
91        connections = ConnectionDirection::Out;
92    else if (flags == CONNECTIONS_ALL)
93        connections = ConnectionDirection::Both;
94
95    return m_node.getNodeCount(connections);
96}
97
98int ClientModel::getHeaderTipHeight() const
99{
100    if (cachedBestHeaderHeight == -1) {
101        // make sure we initially populate the cache via a cs_main lock
102        // otherwise we need to wait for a tip update
103        int height;
104        int64_t blockTime;
105        if (m_node.getHeaderTip(height, blockTime)) {
106            cachedBestHeaderHeight = height;
107            cachedBestHeaderTime = blockTime;
108        }
109    }
110    return cachedBestHeaderHeight;
111}
112
113int64_t ClientModel::getHeaderTipTime() const
114{
115    if (cachedBestHeaderTime == -1) {
116        int height;
117        int64_t blockTime;
118        if (m_node.getHeaderTip(height, blockTime)) {
119            cachedBestHeaderHeight = height;
120            cachedBestHeaderTime = blockTime;
121        }
122    }
123    return cachedBestHeaderTime;
124}
125
126
127std::map<CNetAddr, LocalServiceInfo> ClientModel::getNetLocalAddresses() const
128{
129    return m_node.getNetLocalAddresses();
130}
131
132
133int ClientModel::getNumBlocks() const
134{
135    if (m_cached_num_blocks == -1) {
136        m_cached_num_blocks = m_node.getNumBlocks();
137    }
138    return m_cached_num_blocks;
139}
140
141uint256 ClientModel::getBestBlockHash()
142{
143    uint256 tip{WITH_LOCK(m_cached_tip_mutex, return m_cached_tip_blocks)};
144
145    if (!tip.IsNull()) {
146        return tip;
147    }
148
149    // Lock order must be: first `cs_main`, then `m_cached_tip_mutex`.
150    // The following will lock `cs_main` (and release it), so we must not
151    // own `m_cached_tip_mutex` here.
152    tip = m_node.getBestBlockHash();
153
154    LOCK(m_cached_tip_mutex);
155    // We checked that `m_cached_tip_blocks` is not null above, but then we
156    // released the mutex `m_cached_tip_mutex`, so it could have changed in the
157    // meantime. Thus, check again.
158    if (m_cached_tip_blocks.IsNull()) {
159        m_cached_tip_blocks = tip;
160    }
161    return m_cached_tip_blocks;
162}
163
164BlockSource ClientModel::getBlockSource() const
165{
166    if (m_node.isLoadingBlocks()) return BlockSource::DISK;
167    if (getNumConnections() > 0) return BlockSource::NETWORK;
168    return BlockSource::NONE;
169}
170
171QString ClientModel::getStatusBarWarnings() const
172{
173    return QString::fromStdString(m_node.getWarnings().translated);
174}
175
176OptionsModel *ClientModel::getOptionsModel()
177{
178    return optionsModel;
179}
180
181PeerTableModel *ClientModel::getPeerTableModel()
182{
183    return peerTableModel;
184}
185
186PeerTableSortProxy* ClientModel::peerTableSortProxy()
187{
188    return m_peer_table_sort_proxy;
189}
190
191BanTableModel *ClientModel::getBanTableModel()
192{
193    return banTableModel;
194}
195
196QString ClientModel::formatFullVersion() const
197{
198    return QString::fromStdString(FormatFullVersion());
199}
200
201QString ClientModel::formatSubVersion() const
202{
203    return QString::fromStdString(strSubVersion);
204}
205
206bool ClientModel::isReleaseVersion() const
207{
208    return CLIENT_VERSION_IS_RELEASE;
209}
210
211QString ClientModel::formatClientStartupTime() const
212{
213    return QDateTime::currentDateTime().addSecs(-TicksSeconds(GetUptime())).toString();
214}
215
216QString ClientModel::dataDir() const
217{
218    return GUIUtil::PathToQString(gArgs.GetDataDirNet());
219}
220
221QString ClientModel::blocksDir() const
222{
223    return GUIUtil::PathToQString(gArgs.GetBlocksDirPath());
224}
225
226void ClientModel::TipChanged(SynchronizationState sync_state, interfaces::BlockTip tip, double verification_progress, SyncType synctype)
227{
228    if (synctype == SyncType::HEADER_SYNC) {
229        // cache best headers time and height to reduce future cs_main locks
230        cachedBestHeaderHeight = tip.block_height;
231        cachedBestHeaderTime = tip.block_time;
232    } else if (synctype == SyncType::BLOCK_SYNC) {
233        m_cached_num_blocks = tip.block_height;
234        WITH_LOCK(m_cached_tip_mutex, m_cached_tip_blocks = tip.block_hash;);
235    }
236
237    // Throttle GUI notifications about (a) blocks during initial sync, and (b) both blocks and headers during reindex.
238    const bool throttle = (sync_state != SynchronizationState::POST_INIT && synctype == SyncType::BLOCK_SYNC) || sync_state == SynchronizationState::INIT_REINDEX;
239    const auto now{throttle ? SteadyClock::now() : SteadyClock::time_point{}};
240    auto& nLastUpdateNotification = synctype != SyncType::BLOCK_SYNC ? g_last_header_tip_update_notification : g_last_block_tip_update_notification;
241    if (throttle && now < nLastUpdateNotification + MODEL_UPDATE_DELAY) {
242        return;
243    }
244
245    Q_EMIT numBlocksChanged(tip.block_height, QDateTime::fromSecsSinceEpoch(tip.block_time), verification_progress, synctype, sync_state);
246    nLastUpdateNotification = now;
247}
248
249void ClientModel::subscribeToCoreSignals()
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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