READ THE CODE

Inside Bitcoin

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.

5,153 bytes · SHA-256 5b81d6f3edd8b8e5… · View upstream ↗

1// Copyright (c) 2019-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_WALLETCONTROLLER_H
6#define BITCOIN_QT_WALLETCONTROLLER_H
7
8#include <qt/sendcoinsrecipient.h>
9#include <support/allocators/secure.h>
10#include <sync.h>
11#include <util/translation.h>
12
13#include <map>
14#include <memory>
15#include <string>
16#include <vector>
17
18#include <QMessageBox>
19#include <QMutex>
20#include <QProgressDialog>
21#include <QThread>
22#include <QTimer>
23#include <QString>
24
25class ClientModel;
26class OptionsModel;
27class PlatformStyle;
28class WalletModel;
29
30namespace interfaces {
31class Handler;
32class Node;
33class Wallet;
34} // namespace interfaces
35
36namespace fs {
37class path;
38}
39
40class AskPassphraseDialog;
41class CreateWalletActivity;
42class CreateWalletDialog;
43class MigrateWalletActivity;
44class OpenWalletActivity;
45class WalletControllerActivity;
46
47/**
48 * Controller between interfaces::Node, WalletModel instances and the GUI.
49 */
50class WalletController : public QObject
51{
52    Q_OBJECT
53
54    void removeAndDeleteWallet(WalletModel* wallet_model);
55
56public:
57    WalletController(ClientModel& client_model, const PlatformStyle* platform_style, QObject* parent);
58    ~WalletController();
59
60    WalletModel* getOrCreateWallet(std::unique_ptr<interfaces::Wallet> wallet);
61
62    //! Returns all wallet names in the wallet dir mapped to whether the wallet
63    //! is loaded.
64    std::map<std::string, std::pair<bool, std::string>> listWalletDir() const;
65
66    void closeWallet(WalletModel* wallet_model, QWidget* parent = nullptr);
67    void closeAllWallets(QWidget* parent = nullptr);
68
69Q_SIGNALS:
70    void walletAdded(WalletModel* wallet_model);
71    void walletRemoved(WalletModel* wallet_model);
72
73    void coinsSent(WalletModel* wallet_model, SendCoinsRecipient recipient, QByteArray transaction);
74
75private:
76    QThread* const m_activity_thread;
77    QObject* const m_activity_worker;
78    ClientModel& m_client_model;
79    interfaces::Node& m_node;
80    const PlatformStyle* const m_platform_style;
81    OptionsModel* const m_options_model;
82    mutable QMutex m_mutex;
83    std::vector<WalletModel*> m_wallets;
84    std::unique_ptr<interfaces::Handler> m_handler_load_wallet;
85
86    friend class WalletControllerActivity;
87    friend class MigrateWalletActivity;
88
89    //! Starts the wallet closure procedure
90    void removeWallet(WalletModel* wallet_model);
91};
92
93class WalletControllerActivity : public QObject
94{
95    Q_OBJECT
96
97public:
98    WalletControllerActivity(WalletController* wallet_controller, QWidget* parent_widget);
99    virtual ~WalletControllerActivity() = default;
100
101Q_SIGNALS:
102    void finished();
103
104protected:
105    interfaces::Node& node() const { return m_wallet_controller->m_node; }
106    QObject* worker() const { return m_wallet_controller->m_activity_worker; }
107
108    void showProgressDialog(const QString& title_text, const QString& label_text, bool show_minimized=false);
109
110    WalletController* const m_wallet_controller;
111    QWidget* const m_parent_widget;
112    WalletModel* m_wallet_model{nullptr};
113    bilingual_str m_error_message;
114    std::vector<bilingual_str> m_warning_message;
115};
116
117
118class CreateWalletActivity : public WalletControllerActivity
119{
120    Q_OBJECT
121
122public:
123    CreateWalletActivity(WalletController* wallet_controller, QWidget* parent_widget);
124    virtual ~CreateWalletActivity();
125
126    void create();
127
128Q_SIGNALS:
129    void created(WalletModel* wallet_model);
130
131private:
132    void askPassphrase();
133    void createWallet();
134    void finish();
135
136    SecureString m_passphrase;
137    CreateWalletDialog* m_create_wallet_dialog{nullptr};
138    AskPassphraseDialog* m_passphrase_dialog{nullptr};
139};
140
141class OpenWalletActivity : public WalletControllerActivity
142{
143    Q_OBJECT
144
145public:
146    OpenWalletActivity(WalletController* wallet_controller, QWidget* parent_widget);
147
148    void open(const std::string& path);
149
150Q_SIGNALS:
151    void opened(WalletModel* wallet_model);
152
153private:
154    void finish();
155};
156
157class LoadWalletsActivity : public WalletControllerActivity
158{
159    Q_OBJECT
160
161public:
162    LoadWalletsActivity(WalletController* wallet_controller, QWidget* parent_widget);
163
164    void load(bool show_loading_minimized);
165};
166
167class RestoreWalletActivity : public WalletControllerActivity
168{
169    Q_OBJECT
170
171public:
172    RestoreWalletActivity(WalletController* wallet_controller, QWidget* parent_widget);
173
174    void restore(const fs::path& backup_file, const std::string& wallet_name);
175
176Q_SIGNALS:
177    void restored(WalletModel* wallet_model);
178
179private:
180    void finish();
181};
182
183class MigrateWalletActivity : public WalletControllerActivity
184{
185    Q_OBJECT
186
187public:
188    MigrateWalletActivity(WalletController* wallet_controller, QWidget* parent) : WalletControllerActivity(wallet_controller, parent) {}
189
190    void restore_and_migrate(const fs::path& path, const std::string& wallet_name);
191    void migrate(const std::string& path);
192
193Q_SIGNALS:
194    void migrated(WalletModel* wallet_model);
195
196private:
197    QString m_success_message;
198
199    void do_migrate(const std::string& name, bool load_wallet);
200    void finish();
201};
202
203#endif // BITCOIN_QT_WALLETCONTROLLER_H
204

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

Independent explanations by MyBitcoinExplorer. Not affiliated with or endorsed by Bitcoin Core. Guides are educational and do not replace the source or its tests.

Bitcoin Core source © its contributors, distributed under the MIT license. Original notices and bundled third-party licenses are retained in the source tree.