WIP: Listed namespaces.

src/Makefile.qt.include

@@ -138,6 +138,7 @@ QT_FORMS_UI = \
   qt/forms/kevadialog.ui \
   qt/forms/kevadetaildialog.ui \
   qt/forms/kevanewnamespacedialog.ui \
+  qt/forms/kevamynamespacesdialog.ui \
   qt/forms/debugwindow.ui \
   qt/forms/sendcoinsdialog.ui \
   qt/forms/sendcoinsentry.ui \
@@ -177,8 +178,10 @@ QT_MOC_CPP = \
   qt/moc_receiverequestdialog.cpp \
   qt/moc_recentrequeststablemodel.cpp \
   qt/moc_kevatablemodel.cpp \
+  qt/moc_kevanamespacemodel.cpp \
   qt/moc_kevadetaildialog.cpp \
   qt/moc_kevanewnamespacedialog.cpp \
+  qt/moc_kevamynamespacesdialog.cpp \
   qt/moc_rpcconsole.cpp \
   qt/moc_sendcoinsdialog.cpp \
   qt/moc_sendcoinsentry.cpp \
@@ -267,8 +270,10 @@ BITCOIN_QT_H = \
   qt/transactionview.h \
   qt/kevadialog.h \
   qt/kevatablemodel.h \
+  qt/kevanamespacemodel.h \
   qt/kevadetaildialog.h \
   qt/kevanewnamespacedialog.h \
+  qt/kevamynamespacesdialog.h \
   qt/utilitydialog.h \
   qt/walletframe.h \
   qt/walletmodel.h \
@@ -386,8 +391,10 @@ BITCOIN_QT_WALLET_CPP = \
   qt/transactionview.cpp \
   qt/kevadialog.cpp \
   qt/kevatablemodel.cpp \
+  qt/kevanamespacemodel.cpp \
   qt/kevadetaildialog.cpp \
   qt/kevanewnamespacedialog.cpp \
+  qt/kevamynamespacesdialog.cpp \
   qt/walletframe.cpp \
   qt/walletmodel.cpp \
   qt/walletmodeltransaction.cpp \

src/qt/forms/kevadialog.ui

@@ -123,6 +123,26 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QPushButton" name="listNamespaces">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="toolTip">
+                <string>List my namepsaces</string>
+            </property>
+            <property name="text">
+             <string>&amp;My Namespaces</string>
+            </property>
+            <property name="icon">
+             <iconset resource="../bitcoin.qrc">
+              <normaloff>:/icons/editpaste</normaloff>:/icons/editpaste</iconset>
+            </property>
+           </widget>
+          </item>
           <item>
            <spacer name="horizontalSpacer">
             <property name="orientation">

src/qt/forms/kevamynamespacesdialog.ui

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+    <class>KevaMyNamespacesDialog</class>
+    <widget class="QDialog" name="KevaMyNamespacesDialog">
+        <property name="geometry">
+            <rect>
+                <x>0</x>
+                <y>0</y>
+                <width>800</width>
+                <height>400</height>
+            </rect>
+        </property>
+        <property name="windowTitle">
+            <string notr="true">My Namespaces</string>
+        </property>
+        <layout class="QVBoxLayout" name="verticalLayout">
+            <item>
+                <widget class="QTableView" name="namespaceView">
+                    <property name="contextMenuPolicy">
+                        <enum>Qt::CustomContextMenu</enum>
+                    </property>
+                    <property name="tabKeyNavigation">
+                        <bool>false</bool>
+                    </property>
+                    <property name="sortingEnabled">
+                        <bool>true</bool>
+                    </property>
+                </widget>
+            </item>
+            <item>
+                <widget class="QDialogButtonBox" name="buttonBox">
+                    <property name="orientation">
+                        <enum>Qt::Horizontal</enum>
+                    </property>
+                    <property name="standardButtons">
+                        <set>QDialogButtonBox::Apply|QDialogButtonBox::Close</set>
+                    </property>
+                </widget>
+            </item>
+        </layout>
+    </widget>
+    <resources/>
+    <connections>
+        <connection>
+            <sender>buttonBox</sender>
+            <signal>accepted()</signal>
+            <receiver>KevaMyNamespacesDialog</receiver>
+            <slot>accept()</slot>
+            <hints>
+                <hint type="sourcelabel">
+                    <x>20</x>
+                    <y>20</y>
+                </hint>
+                <hint type="destinationlabel">
+                    <x>20</x>
+                    <y>20</y>
+                </hint>
+            </hints>
+        </connection>
+        <connection>
+            <sender>buttonBox</sender>
+            <signal>rejected()</signal>
+            <receiver>KevaMyNamespacesDialog</receiver>
+            <slot>reject()</slot>
+            <hints>
+                <hint type="sourcelabel">
+                    <x>20</x>
+                    <y>20</y>
+                </hint>
+                <hint type="destinationlabel">
+                    <x>20</x>
+                    <y>20</y>
+                </hint>
+            </hints>
+        </connection>
+    </connections>
+</ui>

src/qt/kevadialog.cpp

@@ -15,8 +15,10 @@
 #include <qt/platformstyle.h>
 #include <qt/receiverequestdialog.h>
 #include <qt/kevatablemodel.h>
+#include <qt/kevanamespacemodel.h>
 #include <qt/kevadetaildialog.h>
 #include <qt/kevanewnamespacedialog.h>
+#include <qt/kevamynamespacesdialog.h>
 #include <qt/walletmodel.h>
 
 #include <QAction>
@@ -131,6 +133,24 @@ void KevaDialog::on_createNamespace_clicked()
     dialog->show();
 }
 
+
+void KevaDialog::on_listNamespaces_clicked()
+{
+    if(!model || !model->getKevaTableModel())
+        return;
+
+    KevaMyNamespacesDialog *dialog = new KevaMyNamespacesDialog(this);
+
+    std::vector<NamespaceEntry> vNamespaceEntries;
+    model->getNamespaceEntries(vNamespaceEntries);
+    model->getKevaNamespaceModel()->setNamespace(std::move(vNamespaceEntries));
+    model->getKevaNamespaceModel()->sort(KevaNamespaceModel::Name, Qt::DescendingOrder);
+
+    dialog->setModel(model);
+    dialog->setAttribute(Qt::WA_DeleteOnClose);
+    dialog->show();
+}
+
 void KevaDialog::on_showContent_clicked()
 {
     if(!model || !model->getKevaTableModel())

src/qt/kevadialog.h

@@ -66,6 +66,7 @@ private:
 private Q_SLOTS:
     void on_showContent_clicked();
     void on_createNamespace_clicked();
+    void on_listNamespaces_clicked();
     void on_showRequestButton_clicked();
     void on_removeRequestButton_clicked();
     void on_kevaView_doubleClicked(const QModelIndex &index);

src/qt/kevamynamespacesdialog.cpp

@@ -0,0 +1,53 @@
+// Copyright (c) 2011-2017 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <qt/kevamynamespacesdialog.h>
+#include <qt/forms/ui_kevamynamespacesdialog.h>
+
+#include <qt/kevanamespacemodel.h>
+
+#include <QModelIndex>
+
+KevaMyNamespacesDialog::KevaMyNamespacesDialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::KevaMyNamespacesDialog)
+{
+    ui->setupUi(this);
+}
+
+void KevaMyNamespacesDialog::setModel(WalletModel *_model)
+{
+    this->model = _model;
+
+    if(_model && _model->getOptionsModel())
+    {
+        _model->getKevaNamespaceModel()->sort(KevaNamespaceModel::Name, Qt::DescendingOrder);
+        QTableView* tableView = ui->namespaceView;
+
+        tableView->verticalHeader()->hide();
+        tableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+        tableView->setModel(_model->getKevaNamespaceModel());
+        tableView->setAlternatingRowColors(true);
+        tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
+        tableView->setSelectionMode(QAbstractItemView::ContiguousSelection);
+        //tableView->setColumnWidth(KevaNamespaceModel::Id, ID_COLUMN_WIDTH);
+        //tableView->setColumnWidth(KevaNamespaceModel::Name, NAME_COLUMN_WIDTH);
+        tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
+
+        connect(tableView->selectionModel(),
+            SIGNAL(selectionChanged(QItemSelection, QItemSelection)), this,
+            SLOT(recentRequestsView_selectionChanged(QItemSelection, QItemSelection)));
+    }
+}
+
+void KevaMyNamespacesDialog::accept()
+{
+    // Create the namespace here.
+    QDialog::accept();
+}
+
+KevaMyNamespacesDialog::~KevaMyNamespacesDialog()
+{
+    delete ui;
+}

src/qt/kevamynamespacesdialog.h

@@ -0,0 +1,42 @@
+// Copyright (c) 2011-2014 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_QT_KEVAMYNMAESPACESDIALOG_H
+#define BITCOIN_QT_KEVAMYNMAESPACESDIALOG_H
+
+#include <QObject>
+#include <QString>
+
+#include <QDialog>
+
+class WalletModel;
+
+namespace Ui {
+    class KevaMyNamespacesDialog;
+}
+
+
+/** Dialog showing namepsace creation. */
+class KevaMyNamespacesDialog : public QDialog
+{
+    Q_OBJECT
+
+    enum ColumnWidths {
+        ID_COLUMN_WIDTH = 260,
+        NAME_COLUMN_WIDTH = 260,
+        MINIMUM_COLUMN_WIDTH = 260
+    };
+
+public:
+    explicit KevaMyNamespacesDialog(QWidget *parent = 0);
+    ~KevaMyNamespacesDialog();
+    void accept();
+    void setModel(WalletModel *_model);
+
+private:
+    Ui::KevaMyNamespacesDialog *ui;
+    WalletModel *model;
+};
+
+#endif // BITCOIN_QT_KEVAMYNMAESPACESDIALOG_H

src/qt/kevanamespacemodel.cpp

@@ -0,0 +1,149 @@
+// Copyright (c) 2011-2017 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <qt/kevanamespacemodel.h>
+
+#include <qt/bitcoinunits.h>
+#include <qt/guiutil.h>
+#include <qt/optionsmodel.h>
+
+#include <clientversion.h>
+#include <streams.h>
+
+
+KevaNamespaceModel::KevaNamespaceModel(CWallet *wallet, WalletModel *parent) :
+    QAbstractTableModel(parent), walletModel(parent)
+{
+    Q_UNUSED(wallet)
+
+    /* These columns must match the indices in the ColumnIndex enumeration */
+    columns << tr("Id") << tr("Name");
+}
+
+KevaNamespaceModel::~KevaNamespaceModel()
+{
+    /* Intentionally left empty */
+}
+
+int KevaNamespaceModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+
+    return list.length();
+}
+
+int KevaNamespaceModel::columnCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+
+    return columns.length();
+}
+
+QVariant KevaNamespaceModel::data(const QModelIndex &index, int role) const
+{
+    if(!index.isValid() || index.row() >= list.length())
+        return QVariant();
+
+    if(role == Qt::DisplayRole || role == Qt::EditRole)
+    {
+        const NamespaceEntry *rec = &list[index.row()];
+        switch(index.column())
+        {
+        case Id:
+            return QString::fromStdString(rec->id);
+        case Name:
+            return QString::fromStdString(rec->name);
+        }
+    }
+    else if (role == Qt::TextAlignmentRole)
+    {
+        return (int)(Qt::AlignLeft|Qt::AlignVCenter);
+    }
+    return QVariant();
+}
+
+bool KevaNamespaceModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    return true;
+}
+
+QVariant KevaNamespaceModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if(orientation == Qt::Horizontal)
+    {
+        if(role == Qt::DisplayRole && section < columns.size())
+        {
+            return columns[section];
+        }
+    }
+    return QVariant();
+}
+
+
+QModelIndex KevaNamespaceModel::index(int row, int column, const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+
+    return createIndex(row, column);
+}
+
+bool KevaNamespaceModel::removeRows(int row, int count, const QModelIndex &parent)
+{
+    Q_UNUSED(parent);
+
+    if(count > 0 && row >= 0 && (row+count) <= list.size())
+    {
+        beginRemoveRows(parent, row, row + count - 1);
+        list.erase(list.begin() + row, list.begin() + row + count);
+        endRemoveRows();
+        return true;
+    } else {
+        return false;
+    }
+}
+
+Qt::ItemFlags KevaNamespaceModel::flags(const QModelIndex &index) const
+{
+    return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
+}
+
+
+// actually add to table in GUI
+void KevaNamespaceModel::setNamespace(std::vector<NamespaceEntry> vNamespaceEntries)
+{
+    // Remove the old ones.
+    removeRows(0, list.size());
+    list.clear();
+
+    for (auto it = vNamespaceEntries.begin(); it != vNamespaceEntries.end(); it++) {
+        beginInsertRows(QModelIndex(), 0, 0);
+        list.prepend(*it);
+        endInsertRows();
+    }
+}
+
+void KevaNamespaceModel::sort(int column, Qt::SortOrder order)
+{
+    qSort(list.begin(), list.end(), NamespaceEntryLessThan(column, order));
+    Q_EMIT dataChanged(index(0, 0, QModelIndex()), index(list.size() - 1, NUMBER_OF_COLUMNS - 1, QModelIndex()));
+}
+
+
+bool NamespaceEntryLessThan::operator()(NamespaceEntry &left, NamespaceEntry &right) const
+{
+    NamespaceEntry *pLeft = &left;
+    NamespaceEntry *pRight = &right;
+    if (order == Qt::DescendingOrder)
+        std::swap(pLeft, pRight);
+
+    switch(column)
+    {
+    case KevaNamespaceModel::Id:
+        return pLeft->id < pRight->id;
+    case KevaNamespaceModel::Name:
+        return pLeft->name < pRight->name;
+    default:
+        return pLeft->id < pRight->id;
+    }
+}

src/qt/kevanamespacemodel.h

@@ -0,0 +1,79 @@
+// Copyright (c) 2011-2017 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_QT_KEVANAMESPACEMODEL_H
+#define BITCOIN_QT_KEVANAMESPACEMODEL_H
+
+#include <qt/walletmodel.h>
+
+#include <QAbstractTableModel>
+#include <QStringList>
+#include <QDateTime>
+
+class CWallet;
+
+class NamespaceEntry
+{
+public:
+    NamespaceEntry() { }
+
+    std::string id;
+    std::string name;
+};
+
+class NamespaceEntryLessThan
+{
+public:
+    NamespaceEntryLessThan(int nColumn, Qt::SortOrder fOrder):
+        column(nColumn), order(fOrder) {}
+    bool operator()(NamespaceEntry &left, NamespaceEntry &right) const;
+
+private:
+    int column;
+    Qt::SortOrder order;
+};
+
+/** Model for list of recently generated payment requests / bitcoin: URIs.
+ * Part of wallet model.
+ */
+class KevaNamespaceModel: public QAbstractTableModel
+{
+    Q_OBJECT
+
+public:
+    explicit KevaNamespaceModel(CWallet *wallet, WalletModel *parent);
+    ~KevaNamespaceModel();
+
+    enum ColumnIndex {
+        Id = 0,
+        Name = 1,
+        NUMBER_OF_COLUMNS
+    };
+
+    /** @name Methods overridden from QAbstractTableModel
+        @{*/
+    int rowCount(const QModelIndex &parent) const;
+    int columnCount(const QModelIndex &parent) const;
+    QVariant data(const QModelIndex &index, int role) const;
+    bool setData(const QModelIndex &index, const QVariant &value, int role);
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+    QModelIndex index(int row, int column, const QModelIndex &parent) const;
+    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+    /*@}*/
+
+    const NamespaceEntry &entry(int row) const { return list[row]; }
+    void setNamespace(std::vector<NamespaceEntry> vNamespaceEntries);
+
+public Q_SLOTS:
+    void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
+
+private:
+    WalletModel *walletModel;
+    QStringList columns;
+    QList<NamespaceEntry> list;
+    int64_t nReceiveRequestsMaxId;
+};
+
+#endif // BITCOIN_QT_KEVANAMESPACEMODEL_H

src/qt/walletmodel.cpp

@@ -12,6 +12,7 @@
 #include <qt/paymentserver.h>
 #include <qt/recentrequeststablemodel.h>
 #include <qt/kevatablemodel.h>
+#include <qt/kevanamespacemodel.h>
 #include <qt/sendcoinsdialog.h>
 #include <qt/transactiontablemodel.h>
 
@@ -45,6 +46,7 @@ WalletModel::WalletModel(const PlatformStyle *platformStyle, CWallet *_wallet, O
     transactionTableModel(0),
     recentRequestsTableModel(0),
     kevaTableModel(0),
+    kevaNamespaceModel(0),
     cachedBalance(0), cachedUnconfirmedBalance(0), cachedImmatureBalance(0),
     cachedEncryptionStatus(Unencrypted),
     cachedNumBlocks(0)
@@ -56,6 +58,7 @@ WalletModel::WalletModel(const PlatformStyle *platformStyle, CWallet *_wallet, O
     transactionTableModel = new TransactionTableModel(platformStyle, wallet, this);
     recentRequestsTableModel = new RecentRequestsTableModel(wallet, this);
     kevaTableModel = new KevaTableModel(wallet, this);
+    kevaNamespaceModel = new KevaNamespaceModel(wallet, this);
 
     // This timer will be fired repeatedly to update the balance
     pollTimer = new QTimer(this);
@@ -403,6 +406,11 @@ KevaTableModel *WalletModel::getKevaTableModel()
     return kevaTableModel;
 }
 
+KevaNamespaceModel *WalletModel::getKevaNamespaceModel()
+{
+    return kevaNamespaceModel;
+}
+
 WalletModel::EncryptionStatus WalletModel::getEncryptionStatus() const
 {
     if(!wallet->IsCrypted())
@@ -776,3 +784,61 @@ void WalletModel::getKevaEntries(std::vector<KevaEntry>& vKevaEntries, std::stri
         vKevaEntries.push_back(std::move(entry));
     }
 }
+
+void WalletModel::getNamespaceEntries(std::vector<NamespaceEntry>& vNamespaceEntries)
+{
+    LOCK2(cs_main, wallet->cs_wallet);
+    std::map<std::string, std::string> mapObjects;
+    for (const auto& item : wallet->mapWallet) {
+        const CWalletTx& tx = item.second;
+        if (!tx.tx->IsKevacoin()) {
+            continue;
+        }
+
+        CKevaScript kevaOp;
+        int nOut = -1;
+        for (unsigned i = 0; i < tx.tx->vout.size(); ++i) {
+            const CKevaScript cur(tx.tx->vout[i].scriptPubKey);
+            if (cur.isKevaOp()) {
+                if (nOut != -1) {
+                    LogPrintf("ERROR: wallet contains tx with multiple name outputs");
+                } else {
+                    kevaOp = cur;
+                    nOut = i;
+                }
+            }
+        }
+
+        if (nOut == -1) {
+            continue;
+        }
+
+        if (!kevaOp.isNamespaceRegistration() && !kevaOp.isAnyUpdate()) {
+            continue;
+        }
+
+        const valtype nameSpace = kevaOp.getOpNamespace();
+        const std::string nameSpaceStr = EncodeBase58Check(nameSpace);
+        const CBlockIndex* pindex;
+        const int depth = tx.GetDepthInMainChain(pindex);
+        if (depth <= 0) {
+            continue;
+        }
+
+        const bool mine = IsMine(*wallet, kevaOp.getAddress());
+        CKevaData data;
+        if (mine && pcoinsTip->GetNamespace(nameSpace, data)) {
+            std::string displayName = ValtypeToString(data.getValue());
+            mapObjects[nameSpaceStr] = displayName;
+        }
+    }
+
+    std::map<std::string, std::string>::iterator it = mapObjects.begin();
+	while (it != mapObjects.end()) {
+        NamespaceEntry entry;
+        entry.id = it->first;
+        entry.name = it->second;
+        vNamespaceEntries.push_back(std::move(entry));
+		it++;
+	}
+}

src/qt/walletmodel.h

@@ -22,7 +22,9 @@ class OptionsModel;
 class PlatformStyle;
 class RecentRequestsTableModel;
 class KevaTableModel;
+class KevaNamespaceModel;
 class KevaEntry;
+class NamespaceEntry;
 class TransactionTableModel;
 class WalletModelTransaction;
 
@@ -133,6 +135,7 @@ public:
     TransactionTableModel *getTransactionTableModel();
     RecentRequestsTableModel *getRecentRequestsTableModel();
     KevaTableModel *getKevaTableModel();
+    KevaNamespaceModel *getKevaNamespaceModel();
 
     CAmount getBalance(const CCoinControl *coinControl = nullptr) const;
     CAmount getUnconfirmedBalance() const;
@@ -225,6 +228,7 @@ public:
 
     // Keva
     void getKevaEntries(std::vector<KevaEntry>& vKevaEntries, std::string nameSpace);
+    void getNamespaceEntries(std::vector<NamespaceEntry>& vNamespaceEntries);
 
 private:
     CWallet *wallet;
@@ -239,6 +243,7 @@ private:
     TransactionTableModel *transactionTableModel;
     RecentRequestsTableModel *recentRequestsTableModel;
     KevaTableModel *kevaTableModel;
+    KevaNamespaceModel *kevaNamespaceModel;
 
     // Cache some values to be able to detect changes
     CAmount cachedBalance;