Keep address labels for pubkey pair addresses.
[novacoin.git] / src / qt / addresstablemodel.cpp
index 198a857..a5dc784 100644 (file)
@@ -2,7 +2,8 @@
 #include "guiutil.h"
 #include "walletmodel.h"
 
-#include "headers.h"
+#include "wallet.h"
+#include "base58.h"
 
 #include <QFont>
 #include <QColor>
@@ -26,31 +27,97 @@ struct AddressTableEntry
         type(type), label(label), address(address) {}
 };
 
+struct AddressTableEntryLessThan
+{
+    bool operator()(const AddressTableEntry &a, const AddressTableEntry &b) const
+    {
+        return a.address < b.address;
+    }
+    bool operator()(const AddressTableEntry &a, const QString &b) const
+    {
+        return a.address < b;
+    }
+    bool operator()(const QString &a, const AddressTableEntry &b) const
+    {
+        return a < b.address;
+    }
+};
+
 // Private implementation
-struct AddressTablePriv
+class AddressTablePriv
 {
+public:
     CWallet *wallet;
     QList<AddressTableEntry> cachedAddressTable;
+    AddressTableModel *parent;
 
-    AddressTablePriv(CWallet *wallet):
-            wallet(wallet) {}
+    AddressTablePriv(CWallet *wallet, AddressTableModel *parent):
+        wallet(wallet), parent(parent) {}
 
     void refreshAddressTable()
     {
         cachedAddressTable.clear();
-
-        CRITICAL_BLOCK(wallet->cs_wallet)
         {
+            LOCK(wallet->cs_wallet);
             BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, std::string)& item, wallet->mapAddressBook)
             {
                 const CBitcoinAddress& address = item.first;
                 const std::string& strName = item.second;
-                bool fMine = wallet->HaveKey(address);
+                bool fMine = IsMine(*wallet, address);
                 cachedAddressTable.append(AddressTableEntry(fMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending,
                                   QString::fromStdString(strName),
                                   QString::fromStdString(address.ToString())));
             }
         }
+        // qLowerBound() and qUpperBound() require our cachedAddressTable list to be sorted in asc order
+        qSort(cachedAddressTable.begin(), cachedAddressTable.end(), AddressTableEntryLessThan());
+    }
+
+    void updateEntry(const QString &address, const QString &label, bool isMine, int status)
+    {
+        // Find address / label in model
+        QList<AddressTableEntry>::iterator lower = qLowerBound(
+            cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
+        QList<AddressTableEntry>::iterator upper = qUpperBound(
+            cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
+        int lowerIndex = (lower - cachedAddressTable.begin());
+        int upperIndex = (upper - cachedAddressTable.begin());
+        bool inModel = (lower != upper);
+        AddressTableEntry::Type newEntryType = isMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending;
+
+        switch(status)
+        {
+        case CT_NEW:
+            if(inModel)
+            {
+                OutputDebugStringF("Warning: AddressTablePriv::updateEntry: Got CT_NOW, but entry is already in model\n");
+                break;
+            }
+            parent->beginInsertRows(QModelIndex(), lowerIndex, lowerIndex);
+            cachedAddressTable.insert(lowerIndex, AddressTableEntry(newEntryType, label, address));
+            parent->endInsertRows();
+            break;
+        case CT_UPDATED:
+            if(!inModel)
+            {
+                OutputDebugStringF("Warning: AddressTablePriv::updateEntry: Got CT_UPDATED, but entry is not in model\n");
+                break;
+            }
+            lower->type = newEntryType;
+            lower->label = label;
+            parent->emitDataChanged(lowerIndex);
+            break;
+        case CT_DELETED:
+            if(!inModel)
+            {
+                OutputDebugStringF("Warning: AddressTablePriv::updateEntry: Got CT_DELETED, but entry is not in model\n");
+                break;
+            }
+            parent->beginRemoveRows(QModelIndex(), lowerIndex, upperIndex-1);
+            cachedAddressTable.erase(lower, upper);
+            parent->endRemoveRows();
+            break;
+        }
     }
 
     int size()
@@ -75,7 +142,7 @@ AddressTableModel::AddressTableModel(CWallet *wallet, WalletModel *parent) :
     QAbstractTableModel(parent),walletModel(parent),wallet(wallet),priv(0)
 {
     columns << tr("Label") << tr("Address");
-    priv = new AddressTablePriv(wallet);
+    priv = new AddressTablePriv(wallet, this);
     priv->refreshAddressTable();
 }
 
@@ -143,7 +210,7 @@ QVariant AddressTableModel::data(const QModelIndex &index, int role) const
     return QVariant();
 }
 
-bool AddressTableModel::setData(const QModelIndex & index, const QVariant & value, int role)
+bool AddressTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
 {
     if(!index.isValid())
         return false;
@@ -156,33 +223,47 @@ bool AddressTableModel::setData(const QModelIndex & index, const QVariant & valu
         switch(index.column())
         {
         case Label:
-            wallet->SetAddressBookName(rec->address.toStdString(), value.toString().toStdString());
-            rec->label = value.toString();
+            // Do nothing, if old label == new label
+            if(rec->label == value.toString())
+            {
+                editStatus = NO_CHANGES;
+                return false;
+            }
+            wallet->SetAddressBookName(CBitcoinAddress(rec->address.toStdString()), value.toString().toStdString());
             break;
         case Address:
+            // Do nothing, if old address == new address
+            if(CBitcoinAddress(rec->address.toStdString()) == CBitcoinAddress(value.toString().toStdString()))
+            {
+                editStatus = NO_CHANGES;
+                return false;
+            }
             // Refuse to set invalid address, set error status and return false
-            if(!walletModel->validateAddress(value.toString()))
+            else if(!walletModel->validateAddress(value.toString()))
             {
                 editStatus = INVALID_ADDRESS;
                 return false;
             }
+            // Check for duplicate addresses to prevent accidental deletion of addresses, if you try
+            // to paste an existing address over another address (with a different label)
+            else if(wallet->mapAddressBook.count(CBitcoinAddress(value.toString().toStdString())))
+            {
+                editStatus = DUPLICATE_ADDRESS;
+                return false;
+            }
             // Double-check that we're not overwriting a receiving address
-            if(rec->type == AddressTableEntry::Sending)
+            else if(rec->type == AddressTableEntry::Sending)
             {
-                CRITICAL_BLOCK(wallet->cs_wallet)
                 {
+                    LOCK(wallet->cs_wallet);
                     // Remove old entry
-                    wallet->DelAddressBookName(rec->address.toStdString());
+                    wallet->DelAddressBookName(CBitcoinAddress(rec->address.toStdString()));
                     // Add new entry with new address
-                    wallet->SetAddressBookName(value.toString().toStdString(), rec->label.toStdString());
+                    wallet->SetAddressBookName(CBitcoinAddress(value.toString().toStdString()), rec->label.toStdString());
                 }
-
-                rec->address = value.toString();
             }
             break;
         }
-        emit dataChanged(index, index);
-
         return true;
     }
     return false;
@@ -200,7 +281,7 @@ QVariant AddressTableModel::headerData(int section, Qt::Orientation orientation,
     return QVariant();
 }
 
-Qt::ItemFlags AddressTableModel::flags(const QModelIndex & index) const
+Qt::ItemFlags AddressTableModel::flags(const QModelIndex &index) const
 {
     if(!index.isValid())
         return 0;
@@ -217,7 +298,7 @@ Qt::ItemFlags AddressTableModel::flags(const QModelIndex & index) const
     return retval;
 }
 
-QModelIndex AddressTableModel::index(int row, int column, const QModelIndex & parent) const
+QModelIndex AddressTableModel::index(int row, int column, const QModelIndex &parent) const
 {
     Q_UNUSED(parent);
     AddressTableEntry *data = priv->index(row);
@@ -231,12 +312,10 @@ QModelIndex AddressTableModel::index(int row, int column, const QModelIndex & pa
     }
 }
 
-void AddressTableModel::update()
+void AddressTableModel::updateEntry(const QString &address, const QString &label, bool isMine, int status)
 {
     // Update address book model from Bitcoin core
-    beginResetModel();
-    priv->refreshAddressTable();
-    endResetModel();
+    priv->updateEntry(address, label, isMine, status);
 }
 
 QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address)
@@ -254,9 +333,9 @@ QString AddressTableModel::addRow(const QString &type, const QString &label, con
             return QString();
         }
         // Check for duplicate addresses
-        CRITICAL_BLOCK(wallet->cs_wallet)
         {
-            if(wallet->mapAddressBook.count(strAddress))
+            LOCK(wallet->cs_wallet);
+            if(wallet->mapAddressBook.count(CBitcoinAddress(strAddress)))
             {
                 editStatus = DUPLICATE_ADDRESS;
                 return QString();
@@ -273,25 +352,28 @@ QString AddressTableModel::addRow(const QString &type, const QString &label, con
             editStatus = WALLET_UNLOCK_FAILURE;
             return QString();
         }
-        std::vector<unsigned char> newKey;
+        CPubKey newKey;
         if(!wallet->GetKeyFromPool(newKey, true))
         {
             editStatus = KEY_GENERATION_FAILURE;
             return QString();
         }
-        strAddress = CBitcoinAddress(newKey).ToString();
+        strAddress = CBitcoinAddress(newKey.GetID()).ToString();
     }
     else
     {
         return QString();
     }
+
     // Add entry
-    CRITICAL_BLOCK(wallet->cs_wallet)
-        wallet->SetAddressBookName(strAddress, strLabel);
+    {
+        LOCK(wallet->cs_wallet);
+        wallet->SetAddressBookName(CBitcoinAddress(strAddress), strLabel);
+    }
     return QString::fromStdString(strAddress);
 }
 
-bool AddressTableModel::removeRows(int row, int count, const QModelIndex & parent)
+bool AddressTableModel::removeRows(int row, int count, const QModelIndex &parent)
 {
     Q_UNUSED(parent);
     AddressTableEntry *rec = priv->index(row);
@@ -301,9 +383,9 @@ bool AddressTableModel::removeRows(int row, int count, const QModelIndex & paren
         // Also refuse to remove receiving addresses.
         return false;
     }
-    CRITICAL_BLOCK(wallet->cs_wallet)
     {
-        wallet->DelAddressBookName(rec->address.toStdString());
+        LOCK(wallet->cs_wallet);
+        wallet->DelAddressBookName(CBitcoinAddress(rec->address.toStdString()));
     }
     return true;
 }
@@ -312,8 +394,8 @@ bool AddressTableModel::removeRows(int row, int count, const QModelIndex & paren
  */
 QString AddressTableModel::labelForAddress(const QString &address) const
 {
-    CRITICAL_BLOCK(wallet->cs_wallet)
     {
+        LOCK(wallet->cs_wallet);
         CBitcoinAddress address_parsed(address.toStdString());
         std::map<CBitcoinAddress, std::string>::iterator mi = wallet->mapAddressBook.find(address_parsed);
         if (mi != wallet->mapAddressBook.end())
@@ -338,3 +420,7 @@ int AddressTableModel::lookupAddress(const QString &address) const
     }
 }
 
+void AddressTableModel::emitDataChanged(int idx)
+{
+    emit dataChanged(index(idx, 0, QModelIndex()), index(idx, columns.length()-1, QModelIndex()));
+}