qt: Handle address purpose in incremental updates

Correctly use the purpose of addresses that are added after the start
of the client. Addresses with purpose "refund" and "change" should not
be visible in the GUI. This is now handled correctly.

7 files changed, 54 insertions, 33 deletions

diff --git a/src/qt/addresstablemodel.cpp b/src/qt/addresstablemodel.cpp
index 03517c657f..69355febe2 100644
--- a/src/qt/addresstablemodel.cpp
+++ b/src/qt/addresstablemodel.cpp
@@ -15,7 +15,8 @@ struct AddressTableEntry
 {
     enum Type {
         Sending,
-        Receiving
+        Receiving,
+        Hidden /* QSortFilterProxyModel will filter these out */
     };
 
     Type type;
@@ -43,6 +44,20 @@ struct AddressTableEntryLessThan
     }
 };
 
+/* Determine address type from address purpose */
+static AddressTableEntry::Type translateTransactionType(const QString &strPurpose, bool isMine)
+{
+    AddressTableEntry::Type addressType = AddressTableEntry::Hidden;
+    // "refund" addresses aren't shown, and change addresses aren't in mapAddressBook at all.
+    if (strPurpose == "send")
+        addressType = AddressTableEntry::Sending;
+    else if (strPurpose == "receive")
+        addressType = AddressTableEntry::Receiving;
+    else if (strPurpose == "unknown" || strPurpose == "") // if purpose not set, guess
+        addressType = (isMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending);
+    return addressType;
+}
+
 // Private implementation
 class AddressTablePriv
 {
@@ -62,17 +77,9 @@ public:
             BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, wallet->mapAddressBook)
             {
                 const CBitcoinAddress& address = item.first;
-
-                AddressTableEntry::Type addressType;
-                const std::string& strPurpose = item.second.purpose;
-                if (strPurpose == "send") addressType = AddressTableEntry::Sending;
-                else if (strPurpose == "receive") addressType = AddressTableEntry::Receiving;
-                else if (strPurpose == "unknown") {
-                    bool fMine = IsMine(*wallet, address.Get());
-                    addressType = (fMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending);
-                }
-                else continue; // "refund" addresses aren't shown, and change addresses aren't in mapAddressBook at all.
-
+                bool fMine = IsMine(*wallet, address.Get());
+                AddressTableEntry::Type addressType = translateTransactionType(
+                        QString::fromStdString(item.second.purpose), fMine);
                 const std::string& strName = item.second.name;
                 cachedAddressTable.append(AddressTableEntry(addressType,
                                   QString::fromStdString(strName),
@@ -83,7 +90,7 @@ public:
         qSort(cachedAddressTable.begin(), cachedAddressTable.end(), AddressTableEntryLessThan());
     }
 
-    void updateEntry(const QString &address, const QString &label, bool isMine, int status)
+    void updateEntry(const QString &address, const QString &label, bool isMine, const QString &purpose, int status)
     {
         // Find address / label in model
         QList<AddressTableEntry>::iterator lower = qLowerBound(
@@ -93,7 +100,7 @@ public:
         int lowerIndex = (lower - cachedAddressTable.begin());
         int upperIndex = (upper - cachedAddressTable.begin());
         bool inModel = (lower != upper);
-        AddressTableEntry::Type newEntryType = isMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending;
+        AddressTableEntry::Type newEntryType = translateTransactionType(purpose, isMine);
 
         switch(status)
         {
@@ -322,10 +329,11 @@ QModelIndex AddressTableModel::index(int row, int column, const QModelIndex &par
     }
 }
 
-void AddressTableModel::updateEntry(const QString &address, const QString &label, bool isMine, int status)
+void AddressTableModel::updateEntry(const QString &address,
+        const QString &label, bool isMine, const QString &purpose, int status)
 {
     // Update address book model from Bitcoin core
-    priv->updateEntry(address, label, isMine, status);
+    priv->updateEntry(address, label, isMine, purpose, status);
 }
 
 QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address)
diff --git a/src/qt/addresstablemodel.h b/src/qt/addresstablemodel.h
index 48baff5e54..6f532087fe 100644
--- a/src/qt/addresstablemodel.h
+++ b/src/qt/addresstablemodel.h
@@ -85,7 +85,7 @@ signals:
 public slots:
     /* Update address list from core.
      */
-    void updateEntry(const QString &address, const QString &label, bool isMine, int status);
+    void updateEntry(const QString &address, const QString &label, bool isMine, const QString &purpose, int status);
 
     friend class AddressTablePriv;
 };
diff --git a/src/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp
index baf1e16483..977e56a2b0 100644
--- a/src/qt/transactiontablemodel.cpp
+++ b/src/qt/transactiontablemodel.cpp
@@ -20,11 +20,11 @@
 
 // Amount column is right-aligned it contains numbers
 static int column_alignments[] = {
-        Qt::AlignLeft|Qt::AlignVCenter,
-        Qt::AlignLeft|Qt::AlignVCenter,
-        Qt::AlignLeft|Qt::AlignVCenter,
-        Qt::AlignLeft|Qt::AlignVCenter,
-        Qt::AlignRight|Qt::AlignVCenter
+        Qt::AlignLeft|Qt::AlignVCenter, /* status */
+        Qt::AlignLeft|Qt::AlignVCenter, /* date */
+        Qt::AlignLeft|Qt::AlignVCenter, /* type */
+        Qt::AlignLeft|Qt::AlignVCenter, /* address */
+        Qt::AlignRight|Qt::AlignVCenter /* amount */
     };
 
 // Comparison operator for sort/binary search of model tx list
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index 61357647b7..82dc075a7b 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -112,10 +112,11 @@ void WalletModel::updateTransaction(const QString &hash, int status)
     }
 }
 
-void WalletModel::updateAddressBook(const QString &address, const QString &label, bool isMine, int status)
+void WalletModel::updateAddressBook(const QString &address, const QString &label, 
+        bool isMine, const QString &purpose, int status)
 {
     if(addressTableModel)
-        addressTableModel->updateEntry(address, label, isMine, status);
+        addressTableModel->updateEntry(address, label, isMine, purpose, status);
 }
 
 bool WalletModel::validateAddress(const QString &address)
@@ -351,13 +352,17 @@ static void NotifyKeyStoreStatusChanged(WalletModel *walletmodel, CCryptoKeyStor
     QMetaObject::invokeMethod(walletmodel, "updateStatus", Qt::QueuedConnection);
 }
 
-static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet, const CTxDestination &address, const std::string &label, bool isMine, ChangeType status)
+static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet,
+        const CTxDestination &address, const std::string &label, bool isMine,
+        const std::string &purpose, ChangeType status)
 {
-    OutputDebugStringF("NotifyAddressBookChanged %s %s isMine=%i status=%i\n", CBitcoinAddress(address).ToString().c_str(), label.c_str(), isMine, status);
+    OutputDebugStringF("NotifyAddressBookChanged %s %s isMine=%i purpose=%s status=%i\n",
+            CBitcoinAddress(address).ToString().c_str(), label.c_str(), isMine, purpose.c_str(), status);
     QMetaObject::invokeMethod(walletmodel, "updateAddressBook", Qt::QueuedConnection,
                               Q_ARG(QString, QString::fromStdString(CBitcoinAddress(address).ToString())),
                               Q_ARG(QString, QString::fromStdString(label)),
                               Q_ARG(bool, isMine),
+                              Q_ARG(QString, QString::fromStdString(purpose)),
                               Q_ARG(int, status));
 }
 
@@ -373,7 +378,7 @@ void WalletModel::subscribeToCoreSignals()
 {
     // Connect signals to wallet
     wallet->NotifyStatusChanged.connect(boost::bind(&NotifyKeyStoreStatusChanged, this, _1));
-    wallet->NotifyAddressBookChanged.connect(boost::bind(NotifyAddressBookChanged, this, _1, _2, _3, _4, _5));
+    wallet->NotifyAddressBookChanged.connect(boost::bind(NotifyAddressBookChanged, this, _1, _2, _3, _4, _5, _6));
     wallet->NotifyTransactionChanged.connect(boost::bind(NotifyTransactionChanged, this, _1, _2, _3));
 }
 
@@ -381,7 +386,7 @@ void WalletModel::unsubscribeFromCoreSignals()
 {
     // Disconnect signals from wallet
     wallet->NotifyStatusChanged.disconnect(boost::bind(&NotifyKeyStoreStatusChanged, this, _1));
-    wallet->NotifyAddressBookChanged.disconnect(boost::bind(NotifyAddressBookChanged, this, _1, _2, _3, _4, _5));
+    wallet->NotifyAddressBookChanged.disconnect(boost::bind(NotifyAddressBookChanged, this, _1, _2, _3, _4, _5, _6));
     wallet->NotifyTransactionChanged.disconnect(boost::bind(NotifyTransactionChanged, this, _1, _2, _3));
 }
 
diff --git a/src/qt/walletmodel.h b/src/qt/walletmodel.h
index 8cba10f5d2..ff7ded7b42 100644
--- a/src/qt/walletmodel.h
+++ b/src/qt/walletmodel.h
@@ -165,7 +165,7 @@ public slots:
     /* New transaction, or transaction changed status */
     void updateTransaction(const QString &hash, int status);
     /* New, updated or removed address book entry */
-    void updateAddressBook(const QString &address, const QString &label, bool isMine, int status);
+    void updateAddressBook(const QString &address, const QString &label, bool isMine, const QString &purpose, int status);
     /* Current, immature or unconfirmed balance might have changed - emit 'balanceChanged' if so */
     void pollBalanceChanged();
 };
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 7a3855c025..54ede12a50 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1461,7 +1461,11 @@ bool CWallet::SetAddressBook(const CTxDestination& address, const string& strNam
 {
     std::map<CTxDestination, CAddressBookData>::iterator mi = mapAddressBook.find(address);
     mapAddressBook[address].name = strName;
-    NotifyAddressBookChanged(this, address, strName, ::IsMine(*this, address), (mi == mapAddressBook.end()) ? CT_NEW : CT_UPDATED);
+    if (!strPurpose.empty()) /* update purpose only if requested */
+        mapAddressBook[address].purpose = strPurpose;
+    NotifyAddressBookChanged(this, address, strName, ::IsMine(*this, address),
+            mapAddressBook[address].purpose,
+            (mi == mapAddressBook.end()) ?  CT_NEW : CT_UPDATED);
     if (!fFileBacked)
         return false;
     if (!strPurpose.empty() && !CWalletDB(strWalletFile).WritePurpose(CBitcoinAddress(address).ToString(), strPurpose))
@@ -1472,7 +1476,7 @@ bool CWallet::SetAddressBook(const CTxDestination& address, const string& strNam
 bool CWallet::DelAddressBook(const CTxDestination& address)
 {
     mapAddressBook.erase(address);
-    NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address), CT_DELETED);
+    NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address), "", CT_DELETED);
     if (!fFileBacked)
         return false;
     CWalletDB(strWalletFile).ErasePurpose(CBitcoinAddress(address).ToString());
diff --git a/src/wallet.h b/src/wallet.h
index d61548433e..b529d5f28b 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -335,12 +335,16 @@ public:
     /** Address book entry changed.
      * @note called with lock cs_wallet held.
      */
-    boost::signals2::signal<void (CWallet *wallet, const CTxDestination &address, const std::string &label, bool isMine, ChangeType status)> NotifyAddressBookChanged;
+    boost::signals2::signal<void (CWallet *wallet, const CTxDestination
+            &address, const std::string &label, bool isMine,
+            const std::string &purpose,
+            ChangeType status)> NotifyAddressBookChanged;
 
     /** Wallet transaction added, removed or updated.
      * @note called with lock cs_wallet held.
      */
-    boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx, ChangeType status)> NotifyTransactionChanged;
+    boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx,
+            ChangeType status)> NotifyTransactionChanged;
 };
 
 /** A key allocated from the key pool. */