[DRAFT] WIP QML Generate Snapshot Signet

src/Makefile.qt.include

@@ -45,6 +45,7 @@ QT_MOC_CPP = \
   qml/models/moc_peerdetailsmodel.cpp \
   qml/models/moc_peerlistsortproxy.cpp \
   qml/models/moc_transaction.cpp \
+  qml/models/moc_snapshotqml.cpp \
   qml/models/moc_walletlistmodel.cpp \
   qml/models/moc_walletqmlmodel.cpp \
   qml/moc_appmode.cpp \
@@ -132,6 +133,7 @@ BITCOIN_QT_H = \
   qml/models/peerdetailsmodel.h \
   qml/models/peerlistsortproxy.h \
   qml/models/transaction.h \
+  qml/models/snapshotqml.h \
   qml/models/walletlistmodel.h \
   qml/models/walletqmlmodel.h \
   qml/appmode.h \
@@ -329,6 +331,7 @@ BITCOIN_QML_BASE_CPP = \
   qml/models/peerdetailsmodel.cpp \
   qml/models/peerlistsortproxy.cpp \
   qml/models/transaction.cpp \
+  qml/models/snapshotqml.cpp \
   qml/models/walletlistmodel.cpp \
   qml/models/walletqmlmodel.cpp \
   qml/imageprovider.cpp \
@@ -353,12 +356,15 @@ QML_RES_ICONS = \
   qml/res/icons/check.png \
   qml/res/icons/copy.png \
   qml/res/icons/coinbase.png \
+  qml/res/icons/circle-file.png \
+  qml/res/icons/circle-green-check.png \
   qml/res/icons/cross.png \
   qml/res/icons/error.png \
   qml/res/icons/export.png \
   qml/res/icons/flip-vertical.png \
   qml/res/icons/gear.png \
   qml/res/icons/gear-outline.png \
+  qml/res/icons/green-check.png \
   qml/res/icons/hidden.png \
   qml/res/icons/info.png \
   qml/res/icons/minus.png \
@@ -393,6 +399,8 @@ QML_RES_QML = \
   qml/components/NetworkIndicator.qml \
   qml/components/ProxySettings.qml \
   qml/components/Separator.qml \
+  qml/components/SnapshotGenSettings.qml \
+  qml/components/SnapshotSettings.qml \
   qml/components/StorageLocations.qml \
   qml/components/StorageOptions.qml \
   qml/components/StorageSettings.qml \
@@ -450,6 +458,8 @@ QML_RES_QML = \
   qml/pages/settings/SettingsDeveloper.qml \
   qml/pages/settings/SettingsDisplay.qml \
   qml/pages/settings/SettingsProxy.qml \
+  qml/pages/settings/SettingsSnapshot.qml \
+  qml/pages/settings/SettingsSnapshotGen.qml \
   qml/pages/settings/SettingsStorage.qml \
   qml/pages/settings/SettingsTheme.qml \
   qml/pages/wallet/Activity.qml \

src/interfaces/node.h

@@ -11,6 +11,7 @@
 #include <net_types.h>                 // For banmap_t
 #include <netaddress.h>                // For Network
 #include <netbase.h>                   // For ConnectionDirection
+#include <node/utxo_snapshot.h>         // For SnapshotMetadata
 #include <support/allocators/secure.h> // For SecureString
 #include <util/translation.h>
 
@@ -208,6 +209,9 @@ class Node
     //! List rpc commands.
     virtual std::vector<std::string> listRpcCommands() = 0;
 
+    //! Load UTXO Snapshot.
+    virtual bool loadSnapshot(AutoFile& afile, const node::SnapshotMetadata& metadata, bool in_memory) = 0;
+
     //! Set RPC timer interface if unset.
     virtual void rpcSetTimerInterfaceIfUnset(RPCTimerInterface* iface) = 0;
 
@@ -243,6 +247,14 @@ class Node
     using ShowProgressFn = std::function<void(const std::string& title, int progress, bool resume_possible)>;
     virtual std::unique_ptr<Handler> handleShowProgress(ShowProgressFn fn) = 0;
 
+    //! Register handler for snapshot load progress.
+    using SnapshotLoadProgressFn = std::function<void(double progress)>;
+    virtual std::unique_ptr<Handler> handleSnapshotLoadProgress(SnapshotLoadProgressFn fn) = 0;
+
+    //! Register handler for rewind progress messages.
+    using RewindProgressFn = std::function<void(double progress)>;
+    virtual std::unique_ptr<Handler> handleRewindProgress(RewindProgressFn fn) = 0;
+
     //! Register handler for wallet loader constructed messages.
     using InitWalletFn = std::function<void()>;
     virtual std::unique_ptr<Handler> handleInitWallet(InitWalletFn fn) = 0;

src/kernel/chainparams.cpp

@@ -371,6 +371,13 @@ class SigNetParams : public CChainParams {
 
         vFixedSeeds.clear();
 
+        m_assumeutxo_data = MapAssumeutxo{
+            {
+                160000,
+                {AssumeutxoHash{uint256S("0x5225141cb62dee63ab3be95f9b03d60801f264010b1816d4bd00618b2736e7be")}, 1278002},
+            },
+        };
+
         base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,111);
         base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,196);
         base58Prefixes[SECRET_KEY] =     std::vector<unsigned char>(1,239);

src/kernel/notifications_interface.h

@@ -39,7 +39,10 @@ class Notifications
 
     [[nodiscard]] virtual InterruptResult blockTip(SynchronizationState state, CBlockIndex& index) { return {}; }
     virtual void headerTip(SynchronizationState state, int64_t height, int64_t timestamp, bool presync) {}
+    virtual void blockTipDisconnected(SynchronizationState state, CBlockIndex& index) {}
     virtual void progress(const bilingual_str& title, int progress_percent, bool resume_possible) {}
+    virtual void snapshotLoadProgress(double progress) {}
+    virtual void rewindProgress(double progress) {}
     virtual void warning(const bilingual_str& warning) {}
 
     //! The flush error notification is sent to notify the user that an error

src/node/interface_ui.cpp

@@ -21,8 +21,11 @@ struct UISignals {
     boost::signals2::signal<CClientUIInterface::NotifyNetworkActiveChangedSig> NotifyNetworkActiveChanged;
     boost::signals2::signal<CClientUIInterface::NotifyAlertChangedSig> NotifyAlertChanged;
     boost::signals2::signal<CClientUIInterface::ShowProgressSig> ShowProgress;
+    boost::signals2::signal<CClientUIInterface::SnapshotLoadProgressSig> SnapshotLoadProgress;
+    boost::signals2::signal<CClientUIInterface::RewindProgressSig> RewindProgress;
     boost::signals2::signal<CClientUIInterface::NotifyBlockTipSig> NotifyBlockTip;
     boost::signals2::signal<CClientUIInterface::NotifyHeaderTipSig> NotifyHeaderTip;
+    boost::signals2::signal<CClientUIInterface::NotifyBlockDisconnectedSig> NotifyBlockDisconnected;
     boost::signals2::signal<CClientUIInterface::BannedListChangedSig> BannedListChanged;
 };
 static UISignals g_ui_signals;
@@ -43,8 +46,10 @@ ADD_SIGNALS_IMPL_WRAPPER(NotifyAlertChanged);
 ADD_SIGNALS_IMPL_WRAPPER(ShowProgress);
 ADD_SIGNALS_IMPL_WRAPPER(NotifyBlockTip);
 ADD_SIGNALS_IMPL_WRAPPER(NotifyHeaderTip);
+ADD_SIGNALS_IMPL_WRAPPER(NotifyBlockDisconnected);
 ADD_SIGNALS_IMPL_WRAPPER(BannedListChanged);
-
+ADD_SIGNALS_IMPL_WRAPPER(SnapshotLoadProgress);
+ADD_SIGNALS_IMPL_WRAPPER(RewindProgress);
 bool CClientUIInterface::ThreadSafeMessageBox(const bilingual_str& message, const std::string& caption, unsigned int style) { return g_ui_signals.ThreadSafeMessageBox(message, caption, style).value_or(false);}
 bool CClientUIInterface::ThreadSafeQuestion(const bilingual_str& message, const std::string& non_interactive_message, const std::string& caption, unsigned int style) { return g_ui_signals.ThreadSafeQuestion(message, non_interactive_message, caption, style).value_or(false);}
 void CClientUIInterface::InitMessage(const std::string& message) { return g_ui_signals.InitMessage(message); }
@@ -53,8 +58,11 @@ void CClientUIInterface::NotifyNumConnectionsChanged(PeersNumByType newNumConnec
 void CClientUIInterface::NotifyNetworkActiveChanged(bool networkActive) { return g_ui_signals.NotifyNetworkActiveChanged(networkActive); }
 void CClientUIInterface::NotifyAlertChanged() { return g_ui_signals.NotifyAlertChanged(); }
 void CClientUIInterface::ShowProgress(const std::string& title, int nProgress, bool resume_possible) { return g_ui_signals.ShowProgress(title, nProgress, resume_possible); }
+void CClientUIInterface::SnapshotLoadProgress(double progress) { return g_ui_signals.SnapshotLoadProgress(progress); }
+void CClientUIInterface::RewindProgress(double progress) { return g_ui_signals.RewindProgress(progress); }
 void CClientUIInterface::NotifyBlockTip(SynchronizationState s, const CBlockIndex* i) { return g_ui_signals.NotifyBlockTip(s, i); }
 void CClientUIInterface::NotifyHeaderTip(SynchronizationState s, int64_t height, int64_t timestamp, bool presync) { return g_ui_signals.NotifyHeaderTip(s, height, timestamp, presync); }
+void CClientUIInterface::NotifyBlockDisconnected(SynchronizationState s, const CBlockIndex* i) { return g_ui_signals.NotifyBlockDisconnected(s, i); }
 void CClientUIInterface::BannedListChanged() { return g_ui_signals.BannedListChanged(); }
 
 bool InitError(const bilingual_str& str)

src/node/interface_ui.h

@@ -109,12 +109,21 @@ class CClientUIInterface
      */
     ADD_SIGNALS_DECL_WRAPPER(ShowProgress, void, const std::string& title, int nProgress, bool resume_possible);
 
+    /** Snapshot load progress. */
+    ADD_SIGNALS_DECL_WRAPPER(SnapshotLoadProgress, void, double progress);
+
+    /** Rewind progress. */
+    ADD_SIGNALS_DECL_WRAPPER(RewindProgress, void, double progress);
+
     /** New block has been accepted */
     ADD_SIGNALS_DECL_WRAPPER(NotifyBlockTip, void, SynchronizationState, const CBlockIndex*);
 
     /** Best header has changed */
     ADD_SIGNALS_DECL_WRAPPER(NotifyHeaderTip, void, SynchronizationState, int64_t height, int64_t timestamp, bool presync);
 
+    /** Block disconnected */
+    ADD_SIGNALS_DECL_WRAPPER(NotifyBlockDisconnected, void, SynchronizationState, const CBlockIndex*);
+
     /** Banlist did change. */
     ADD_SIGNALS_DECL_WRAPPER(BannedListChanged, void, void);
 };

src/node/interfaces.cpp

@@ -29,6 +29,7 @@
 #include <node/context.h>
 #include <node/interface_ui.h>
 #include <node/transaction.h>
+#include <node/utxo_snapshot.h>
 #include <policy/feerate.h>
 #include <policy/fees.h>
 #include <policy/policy.h>
@@ -378,6 +379,14 @@ class NodeImpl : public Node
     {
         return MakeSignalHandler(::uiInterface.ShowProgress_connect(fn));
     }
+    std::unique_ptr<Handler> handleSnapshotLoadProgress(SnapshotLoadProgressFn fn) override
+    {
+        return MakeSignalHandler(::uiInterface.SnapshotLoadProgress_connect(fn));
+    }
+    std::unique_ptr<Handler> handleRewindProgress(RewindProgressFn fn) override
+    {
+        return MakeSignalHandler(::uiInterface.RewindProgress_connect(fn));
+    }
     std::unique_ptr<Handler> handleInitWallet(InitWalletFn fn) override
     {
         return MakeSignalHandler(::uiInterface.InitWallet_connect(fn));
@@ -417,6 +426,10 @@ class NodeImpl : public Node
     {
         m_context = context;
     }
+    bool loadSnapshot(AutoFile& afile, const node::SnapshotMetadata& metadata, bool in_memory) override
+    {
+        return chainman().ActivateSnapshot(afile, metadata, in_memory);
+    }
     ArgsManager& args() { return *Assert(Assert(m_context)->args); }
     ChainstateManager& chainman() { return *Assert(m_context->chainman); }
     NodeContext* m_context{nullptr};
@@ -532,7 +545,7 @@ class RpcHandlerImpl : public Handler
 class ChainImpl : public Chain
 {
 public:
-    explicit ChainImpl(NodeContext& node) : m_node(node) {}
+    explicit ChainImpl(node::NodeContext& node) : m_node(node) {}
     std::optional<int> getHeight() override
     {
         const int height{WITH_LOCK(::cs_main, return chainman().ActiveChain().Height())};

src/node/kernel_notifications.cpp

@@ -78,6 +78,16 @@ void KernelNotifications::progress(const bilingual_str& title, int progress_perc
     uiInterface.ShowProgress(title.translated, progress_percent, resume_possible);
 }
 
+void KernelNotifications::snapshotLoadProgress(double progress)
+{
+    uiInterface.SnapshotLoadProgress(progress);
+}
+
+void KernelNotifications::rewindProgress(double progress)
+{
+    uiInterface.RewindProgress(progress);
+}
+
 void KernelNotifications::warning(const bilingual_str& warning)
 {
     DoWarning(warning);

src/node/kernel_notifications.h

@@ -31,6 +31,10 @@ class KernelNotifications : public kernel::Notifications
 
     void progress(const bilingual_str& title, int progress_percent, bool resume_possible) override;
 
+    void snapshotLoadProgress(double progress) override;
+
+    void rewindProgress(double progress) override;
+
     void warning(const bilingual_str& warning) override;
 
     void flushError(const std::string& debug_message) override;

src/qml/bitcoin_qml.qrc

@@ -15,6 +15,8 @@
         <file>components/ProxySettings.qml</file>
         <file>components/StorageLocations.qml</file>
         <file>components/Separator.qml</file>
+        <file>components/SnapshotGenSettings.qml</file>
+        <file>components/SnapshotSettings.qml</file>
         <file>components/StorageOptions.qml</file>
         <file>components/StorageSettings.qml</file>
         <file>components/ThemeSettings.qml</file>
@@ -27,6 +29,7 @@
         <file>controls/LabeledTextInput.qml</file>
         <file>controls/ExternalLink.qml</file>
         <file>controls/FocusBorder.qml</file>
+        <file>controls/GreenCheckIcon.qml</file>
         <file>controls/Header.qml</file>
         <file>controls/Icon.qml</file>
         <file>controls/InformationPage.qml</file>
@@ -71,6 +74,8 @@
         <file>pages/settings/SettingsDeveloper.qml</file>
         <file>pages/settings/SettingsDisplay.qml</file>
         <file>pages/settings/SettingsProxy.qml</file>
+        <file>pages/settings/SettingsSnapshotGen.qml</file>
+        <file>pages/settings/SettingsSnapshot.qml</file>
         <file>pages/settings/SettingsStorage.qml</file>
         <file>pages/settings/SettingsTheme.qml</file>
         <file>pages/wallet/Activity.qml</file>
@@ -101,12 +106,15 @@
         <file alias="check">res/icons/check.png</file>
         <file alias="copy">res/icons/copy.png</file>
         <file alias="coinbase">res/icons/coinbase.png</file>
+        <file alias="circle-file">res/icons/circle-file.png</file>
+        <file alias="circle-green-check">res/icons/circle-green-check.png</file>
         <file alias="cross">res/icons/cross.png</file>
         <file alias="error">res/icons/error.png</file>
         <file alias="export">res/icons/export.png</file>
         <file alias="flip-vertical">res/icons/flip-vertical.png</file>
         <file alias="gear">res/icons/gear.png</file>
         <file alias="gear-outline">res/icons/gear-outline.png</file>
+        <file alias="green-check">res/icons/green-check.png</file>
         <file alias="hidden">res/icons/hidden.png</file>
         <file alias="info">res/icons/info.png</file>
         <file alias="minus">res/icons/minus.png</file>

src/qml/components/ConnectionSettings.qml

@@ -10,7 +10,68 @@ import "../controls"
 ColumnLayout {
     id: root
     signal next
+    signal gotoSnapshot
+    signal gotoGenerateSnapshot
+    property bool snapshotImportCompleted: chainModel.isSnapshotActive
+    property bool onboarding: false
+    property bool generateSnapshot: false
+    property bool isSnapshotGenerated: nodeModel.isSnapshotGenerated
+
     spacing: 4
+    Setting {
+        id: gotoGenerateSnapshot
+        visible: !root.onboarding
+        Layout.fillWidth: true
+        header: qsTr("Generate snapshot")
+        description: qsTr("Speed up the setup of other nodes")
+        actionItem: Item {
+            width: 26
+            height: 26
+            CaretRightIcon {
+                anchors.centerIn: parent
+                color: gotoGenerateSnapshot.stateColor
+            }
+        }
+        onClicked: {
+            if (!nodeModel.isSnapshotFileExists()) {
+                root.generateSnapshot = true
+                root.gotoGenerateSnapshot()
+            } else {
+                root.gotoGenerateSnapshot()
+            }
+        }
+    }
+    Separator {
+        visible: !root.onboarding
+        Layout.fillWidth: true
+    }
+    Setting {
+        id: gotoSnapshot
+        visible: !root.onboarding
+        Layout.fillWidth: true
+        header: qsTr("Load snapshot")
+        description: qsTr("Instant use with background sync")
+        actionItem: Item {
+            width: 26
+            height: 26
+            CaretRightIcon {
+                anchors.centerIn: parent
+                visible: !snapshotImportCompleted
+                color: gotoSnapshot.stateColor
+            }
+            GreenCheckIcon {
+                anchors.centerIn: parent
+                visible: snapshotImportCompleted
+                color: Theme.color.transparent
+                size: 30
+            }
+        }
+        onClicked: root.gotoSnapshot()
+    }
+    Separator {
+        visible: !root.onboarding
+        Layout.fillWidth: true
+    }
     Setting {
         Layout.fillWidth: true
         header: qsTr("Enable listening")