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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.

bitcoin / bitcoinstable

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▤ addressbookpage.cpp

▤ addressbookpage.h

▤ addresstablemodel.cpp

▤ addresstablemodel.h

▤ askpassphrasedialog.cpp

▤ askpassphrasedialog.h

▤ bantablemodel.cpp

▤ bantablemodel.h

▤ bitcoin_locale.qrc

▤ bitcoin.cpp

▤ bitcoin.qrc

▤ bitcoinaddressvalidator.cpp

▤ bitcoinaddressvalidator.h

▤ bitcoinamountfield.cpp

▤ bitcoinamountfield.h

▤ bitcoingui.cpp

▤ bitcoingui.h

▤ bitcoinstrings.cpp

▤ bitcoinunits.cpp

▤ bitcoinunits.h

▤ clientmodel.cpp

▤ clientmodel.h

▤ CMakeLists.txt

▤ coincontroldialog.cpp

▤ coincontroldialog.h

▤ coincontroltreewidget.cpp

▤ coincontroltreewidget.h

▤ createwalletdialog.cpp

▤ createwalletdialog.h

▤ csvmodelwriter.cpp

▤ csvmodelwriter.h

▤ editaddressdialog.cpp

▤ editaddressdialog.h

▤ freespacechecker.cpp

▤ freespacechecker.h

▤ guiconstants.h

▤ guiutil.cpp

▤ initexecutor.cpp

▤ initexecutor.h

▤ macdockiconhandler.h

▤ macdockiconhandler.mm

▤ macnotificationhandler.h

▤ macnotificationhandler.mm

▤ macos_appnap.h

▤ macos_appnap.mm

▤ modaloverlay.cpp

▤ modaloverlay.h

▤ networkstyle.cpp

▤ networkstyle.h

▤ notificator.cpp

▤ notificator.h

▤ openuridialog.cpp

▤ openuridialog.h

▤ optionsdialog.cpp

▤ optionsdialog.h

▤ optionsmodel.cpp

▤ optionsmodel.h

▤ overviewpage.cpp

▤ overviewpage.h

▤ paymentserver.cpp

▤ paymentserver.h

▤ peertablemodel.cpp

▤ peertablemodel.h

▤ peertablesortproxy.cpp

▤ peertablesortproxy.h

▤ platformstyle.cpp

▤ platformstyle.h

▤ psbtoperationsdialog.cpp

▤ psbtoperationsdialog.h

▤ qrimagewidget.cpp

▤ qrimagewidget.h

▤ qvalidatedlineedit.cpp

▤ qvalidatedlineedit.h

▤ qvaluecombobox.cpp

▤ qvaluecombobox.h

▤ receivecoinsdialog.cpp

▤ receivecoinsdialog.h

▤ receiverequestdialog.cpp

▤ receiverequestdialog.h

▤ recentrequeststablemodel.cpp

▤ recentrequeststablemodel.h

▤ rpcconsole.cpp

▤ rpcconsole.h

▤ sendcoinsdialog.cpp

▤ sendcoinsdialog.h

▤ sendcoinsentry.cpp

▤ sendcoinsentry.h

▤ sendcoinsrecipient.h

▤ signverifymessagedialog.cpp

▤ signverifymessagedialog.h

▤ splashscreen.cpp

▤ splashscreen.h

▤ trafficgraphwidget.cpp

▤ trafficgraphwidget.h

▤ transactiondesc.cpp

▤ transactiondesc.h

▤ transactiondescdialog.cpp

▤ transactiondescdialog.h

▤ transactionfilterproxy.cpp

▤ transactionfilterproxy.h

▤ transactionoverviewwidget.cpp

▤ transactionoverviewwidget.h

▤ transactionrecord.cpp

▤ transactionrecord.h

▤ transactiontablemodel.cpp

▤ transactiontablemodel.h

▤ transactionview.cpp

▤ transactionview.h

▤ utilitydialog.cpp

▤ utilitydialog.h

▤ walletcontroller.cpp

▤ walletcontroller.h

▤ walletframe.cpp

▤ walletframe.h

▤ walletmodel.cpp

▤ walletmodel.h

▤ walletmodeltransaction.cpp

▤ walletmodeltransaction.h

▤ walletview.cpp

▤ walletview.h

▤ winshutdownmonitor.cpp

▤ winshutdownmonitor.h

▤ .clang-format

▤ .clang-tidy

▤ addrdb.cppGuide

▤ addrdb.hGuide

▤ addresstype.cpp

▤ addresstype.h

▤ addrman_impl.h

▤ addrman.cppGuide

▤ addrman.hGuide

▤ arith_uint256.cpp

▤ arith_uint256.hGuide

▤ attributes.hGuide

▤ banman.cppGuide

▤ banman.hGuide

▤ base58.cppGuide

▤ base58.hGuide

▤ bech32.cppGuide

▤ bech32.hGuide

▤ bip324.cppGuide

▤ bip324.hGuide

▤ bitcoin-chainstate.cpp

▤ bitcoin-cli-res.rc

▤ bitcoin-cli.cppGuide

▤ bitcoin-res.rc

▤ bitcoin-tx-res.rc

▤ bitcoin-tx.cpp

▤ bitcoin-util-res.rc

▤ bitcoin-util.cpp

▤ bitcoin-wallet-res.rc

▤ bitcoin-wallet.cpp

▤ bitcoin.cpp

▤ bitcoind-res.rc

▤ bitcoind.cpp

▤ blockencodings.cppGuide

▤ blockencodings.hGuide

▤ blockfilter.cppGuide

▤ blockfilter.hGuide

▤ chain.cppGuide

▤ chainparams.cppGuide

▤ chainparams.hGuide

▤ chainparamsbase.cppGuide

▤ chainparamsbase.hGuide

▤ chainparamsseeds.h

▤ checkqueue.hGuide

▤ clientversion.cppGuide

▤ clientversion.hGuide

▤ cluster_linearize.h

▤ CMakeLists.txt

▤ coins.cppGuide

▤ coins.hGuide

▤ compressor.cppGuide

▤ compressor.hGuide

▤ core_io.cpp

▤ core_io.hGuide

▤ core_memusage.hGuide

▤ cuckoocache.h

▤ dbwrapper.cpp

▤ dbwrapper.hGuide

▤ deploymentinfo.cppGuide

▤ deploymentinfo.hGuide

▤ deploymentstatus.cppGuide

▤ deploymentstatus.hGuide

▤ dummywallet.cppGuide

▤ external_signer.cpp

▤ external_signer.hGuide

▤ flatfile.cppGuide

▤ flatfile.hGuide

▤ hash.cppGuide

▤ hash.hGuide

▤ headerssync.cpp

▤ headerssync.h

▤ httprpc.cpp

▤ httprpc.hGuide

▤ httpserver.cpp

▤ httpserver.h

▤ i2p.cppGuide

▤ indirectmap.hGuide

▤ init.cppGuide

▤ init.hGuide

▤ key_io.cppGuide

▤ key_io.hGuide

▤ logging.cpp

▤ mapport.cpp

▤ mapport.hGuide

▤ merkleblock.cppGuide

▤ merkleblock.hGuide

▤ musig.hGuide

▤ net_permissions.cppGuide

▤ net_permissions.hGuide

▤ net_processing.cppGuide

▤ net_processing.h

▤ net_types.cppGuide

▤ net_types.hGuide

▤ net.cppGuide

▤ netaddress.cppGuide

▤ netaddress.h

▤ netbase.cppGuide

▤ netgroup.cppGuide

▤ netgroup.hGuide

▤ netmessagemaker.hGuide

▤ noui.cppGuide

▤ noui.hGuide

▤ outputtype.cppGuide

▤ outputtype.hGuide

▤ pow.cppGuide

▤ prevector.h

▤ private_broadcast.cpp

▤ private_broadcast.h

▤ protocol.cpp

▤ protocol.hGuide

▤ random.hGuide

▤ randomenv.cpp

▤ randomenv.hGuide

▤ rest.hGuide

▤ scheduler.cppGuide

▤ scheduler.hGuide

▤ semaphore_grant.hGuide

▤ serialize.hGuide

▤ signet.hGuide

▤ span.hGuide

▤ streams.cpp

▤ streams.hGuide

▤ threadsafety.hGuide

▤ tinyformat.h

▤ torcontrol.cppGuide

▤ torcontrol.h

▤ txdb.cppGuide

▤ txdb.hGuide

▤ txgraph.cpp

▤ txmempool.cppGuide

▤ txmempool.h

▤ txrequest.cpp

▤ txrequest.h

▤ uint256.cppGuide

▤ uint256.hGuide

▤ undo.hGuide

▤ validation.cppGuide

▤ validation.h

▤ validationinterface.cpp

▤ validationinterface.h

▤ versionbits_impl.hGuide

▤ versionbits.cpp

▤ versionbits.hGuide

▤ walletinitinterface.hGuide

▤ .editorconfig

▤ .gitattributes

▤ .python-version

▤ .style.yapf

▤ CMakeLists.txtGuide

▤ CMakePresets.json

▤ CONTRIBUTING.md

▤ COPYINGGuide

▤ CTestConfig.cmake

▤ libbitcoinkernel.pc.in

▤ README.mdGuide

▤ SECURITY.md

bitcoin / src / qt / qrimagewidget.h

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1,218 bytes · SHA-256 fcdfcc7c88240c70… · 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#ifndef BITCOIN_QT_QRIMAGEWIDGET_H
6#define BITCOIN_QT_QRIMAGEWIDGET_H
7
8#include <QImage>
9#include <QLabel>
10
11/* Maximum allowed URI length */
12inline constexpr int MAX_URI_LENGTH = 255;
13
14/* Size of exported QR Code image */
15inline constexpr int QR_IMAGE_SIZE = 300;
16inline constexpr int QR_IMAGE_TEXT_MARGIN = 10;
17inline constexpr int QR_IMAGE_MARGIN = 2 * QR_IMAGE_TEXT_MARGIN;
18
19QT_BEGIN_NAMESPACE
20class QMenu;
21QT_END_NAMESPACE
22
23/* Label widget for QR code. This image can be dragged, dropped, copied and saved
24 * to disk.
25 */
26class QRImageWidget : public QLabel
27{
28    Q_OBJECT
29
30public:
31    explicit QRImageWidget(QWidget *parent = nullptr);
32    bool setQR(const QString& data, const QString& text = "");
33    QImage exportImage();
34
35public Q_SLOTS:
36    void saveImage();
37    void copyImage();
38
39protected:
40    virtual void mousePressEvent(QMouseEvent *event) override;
41    virtual void contextMenuEvent(QContextMenuEvent *event) override;
42
43private:
44    QMenu* contextMenu{nullptr};
45};
46
47#endif // BITCOIN_QT_QRIMAGEWIDGET_H
48

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This file is included in the stable source snapshot. A file-specific guide has not been published yet.

440 guided files · 2,580 pending. Guides cover key sections, not every line.

cmake/bitcoin-build-config.h.in src/consensus/amount.h src/consensus/consensus.h src/primitives/block.h src/primitives/transaction.h src/crypto/sha256.h src/util/moneystr.h src/clientversion.h src/uint256.h src/script/script.h src/policy/policy.h CMakeLists.txt README.md COPYING src/consensus/tx_check.cpp src/consensus/tx_verify.cpp src/consensus/merkle.cpp src/pow.cpp src/validation.cpp src/script/interpreter.cpp src/script/solver.cpp src/script/sign.cpp src/key_io.cpp src/net.cpp src/net_processing.cpp src/netaddress.cpp src/protocol.h src/wallet/wallet.cpp src/wallet/spend.cpp

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/wallet/fees.cpp

src/wallet/load.cpp

src/txmempool.cpp

src/node/miner.cpp

src/chainparams.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/crypto/sha256.cpp

src/serialize.h

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/arith_uint256.h

src/blockencodings.h

src/blockfilter.h

src/crypto/siphash.h

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/compressor.h

src/compressor.cpp

src/flatfile.cpp

src/dbwrapper.h

src/util/chaintype.h

src/util/chaintype.cpp

src/scheduler.h

src/scheduler.cpp

src/checkqueue.h

src/threadsafety.h

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/blockfilter.cpp

src/merkleblock.cpp

src/merkleblock.h

src/addrman.cpp

src/netgroup.cpp

src/net_permissions.cpp

src/netbase.cpp

src/torcontrol.cpp

src/net_types.h

src/net_types.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/server.cpp

src/rpc/mempool.cpp

src/rpc/mining.cpp

src/rpc/net.cpp

src/rpc/node.cpp

src/rpc/blockchain.h

src/rpc/client.h

src/rpc/mempool.h

src/rpc/mining.h

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/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/abort.cpp

src/node/abort.h

src/node/caches.cpp

src/node/caches.h

src/kernel/caches.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/util/rbf.cpp

src/util/thread.h

src/common/netif.h

src/common/url.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/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.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/util/thread.cpp

src/kernel/types.h

src/interfaces/rpc.h

src/util/fees.cpp

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/attributes.h

src/chainparams.h

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/compat/cpuid.h

src/compat/endian.h

src/compat/stdin.cpp

src/compat/stdin.h

src/core_memusage.h

src/crypto/common.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/indirectmap.h

src/init/basic.cpp

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/logging/categories.h

src/logging/timer.h

src/net_permissions.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/node/warnings.h

src/outputtype.cpp

src/outputtype.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/primitives/block.cpp

src/randomenv.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/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/uint256.cpp

src/util/bip32.cpp

src/util/fees.h

src/util/fs.cpp

src/util/result.h

src/util/string.cpp

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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