qt: GUI for conflicted transactions

- Exclamation mark icon for conflicted transactions
- Show mouseover status for conflicted transactions as "conflicted"
- Don't show inactive transactions on overview page overview

Author: laanwj

src/qt/Makefile.am

@@ -243,6 +243,7 @@ RES_ICONS = \
   res/icons/toolbar_testnet.png \
   res/icons/transaction0.png \
   res/icons/transaction2.png \
+  res/icons/transaction_conflicted.png \
   res/icons/tx_inout.png \
   res/icons/tx_input.png \
   res/icons/tx_output.png \

src/qt/bitcoin.qrc

@@ -12,6 +12,7 @@
         <file alias="connect_4">res/icons/connect4_16.png</file>
         <file alias="transaction_0">res/icons/transaction0.png</file>
         <file alias="transaction_confirmed">res/icons/transaction2.png</file>
+        <file alias="transaction_conflicted">res/icons/transaction_conflicted.png</file>
         <file alias="transaction_1">res/icons/clock1.png</file>
         <file alias="transaction_2">res/icons/clock2.png</file>
         <file alias="transaction_3">res/icons/clock3.png</file>

src/qt/overviewpage.cpp

@@ -175,6 +175,7 @@ void OverviewPage::setWalletModel(WalletModel *model)
         filter->setLimit(NUM_ITEMS);
         filter->setDynamicSortFilter(true);
         filter->setSortRole(Qt::EditRole);
+        filter->setShowInactive(false);
         filter->sort(TransactionTableModel::Status, Qt::DescendingOrder);
 
         ui->listTransactions->setModel(filter);

src/qt/res/icons/transaction_conflicted.png

@@ -5,6 +5,7 @@
 #include "transactionfilterproxy.h"
 
 #include "transactiontablemodel.h"
+#include "transactionrecord.h"
 
 #include <cstdlib>
 
@@ -22,7 +23,8 @@ TransactionFilterProxy::TransactionFilterProxy(QObject *parent) :
     addrPrefix(),
     typeFilter(ALL_TYPES),
     minAmount(0),
-    limitRows(-1)
+    limitRows(-1),
+    showInactive(true)
 {
 }
 
@@ -35,7 +37,10 @@ bool TransactionFilterProxy::filterAcceptsRow(int sourceRow, const QModelIndex &
     QString address = index.data(TransactionTableModel::AddressRole).toString();
     QString label = index.data(TransactionTableModel::LabelRole).toString();
     qint64 amount = llabs(index.data(TransactionTableModel::AmountRole).toLongLong());
+    int status = index.data(TransactionTableModel::StatusRole).toInt();
 
+    if(!showInactive && status == TransactionStatus::Conflicted)
+        return false;
     if(!(TYPE(type) & typeFilter))
         return false;
     if(datetime < dateFrom || datetime > dateTo)
@@ -78,6 +83,12 @@ void TransactionFilterProxy::setLimit(int limit)
     this->limitRows = limit;
 }
 
+void TransactionFilterProxy::setShowInactive(bool showInactive)
+{
+    this->showInactive = showInactive;
+    invalidateFilter();
+}
+
 int TransactionFilterProxy::rowCount(const QModelIndex &parent) const
 {
     if(limitRows != -1)

src/qt/transactionfilterproxy.cpp

@@ -36,6 +36,9 @@ class TransactionFilterProxy : public QSortFilterProxyModel
     /** Set maximum number of rows returned, -1 if unlimited. */
     void setLimit(int limit);
 
+    /** Set whether to show conflicted transactions. */
+    void setShowInactive(bool showInactive);
+
     int rowCount(const QModelIndex &parent = QModelIndex()) const;
 
 protected:
@@ -48,6 +51,7 @@ class TransactionFilterProxy : public QSortFilterProxyModel
     quint32 typeFilter;
     qint64 minAmount;
     int limitRows;
+    bool showInactive;
 };
 
 #endif // TRANSACTIONFILTERPROXY_H

src/qt/transactionfilterproxy.h

@@ -183,7 +183,11 @@ void TransactionRecord::updateStatus(const CWalletTx &wtx)
     }
     else
     {
-        if (GetAdjustedTime() - wtx.nTimeReceived > 2 * 60 && wtx.GetRequestCount() == 0)
+        if (status.depth < 0)
+        {
+            status.status = TransactionStatus::Conflicted;
+        }
+        else if (GetAdjustedTime() - wtx.nTimeReceived > 2 * 60 && wtx.GetRequestCount() == 0)
         {
             status.status = TransactionStatus::Offline;
         }

src/qt/transactionrecord.cpp

@@ -36,7 +36,8 @@ class TransactionStatus
         OpenUntilBlock,
         Offline,
         Unconfirmed,
-        HaveConfirmations
+        HaveConfirmations,
+        Conflicted
     };
 
     bool confirmed;

src/qt/transactionrecord.h

@@ -312,14 +312,17 @@ QString TransactionTableModel::formatTxStatus(const TransactionRecord *wtx) cons
             status = tr("Open until %1").arg(GUIUtil::dateTimeStr(wtx->status.open_for));
             break;
         case TransactionStatus::Offline:
-            status = tr("Offline (%1 confirmations)").arg(wtx->status.depth);
+            status = tr("Offline");
             break;
         case TransactionStatus::Unconfirmed:
             status = tr("Unconfirmed (%1 of %2 confirmations)").arg(wtx->status.depth).arg(TransactionRecord::NumConfirmations);
             break;
         case TransactionStatus::HaveConfirmations:
             status = tr("Confirmed (%1 confirmations)").arg(wtx->status.depth);
             break;
+        case TransactionStatus::Conflicted:
+            status = tr("Conflicted");
+            break;
         }
     }
 
@@ -471,7 +474,6 @@ QVariant TransactionTableModel::txStatusDecoration(const TransactionRecord *wtx)
         case TransactionStatus::OpenUntilBlock:
         case TransactionStatus::OpenUntilDate:
             return QColor(64,64,255);
-            break;
         case TransactionStatus::Offline:
             return QColor(192,192,192);
         case TransactionStatus::Unconfirmed:
@@ -486,6 +488,8 @@ QVariant TransactionTableModel::txStatusDecoration(const TransactionRecord *wtx)
             };
         case TransactionStatus::HaveConfirmations:
             return QIcon(":/icons/transaction_confirmed");
+        case TransactionStatus::Conflicted:
+            return QIcon(":/icons/transaction_conflicted");
         }
     }
     return QColor(0,0,0);
@@ -587,6 +591,8 @@ QVariant TransactionTableModel::data(const QModelIndex &index, int role) const
                                           rec->status.maturity != TransactionStatus::Mature);
     case FormattedAmountRole:
         return formatTxAmount(rec, false);
+    case StatusRole:
+        return rec->status.status;
     }
     return QVariant();
 }

src/qt/transactiontablemodel.cpp

@@ -53,7 +53,9 @@ class TransactionTableModel : public QAbstractTableModel
         /** Is transaction confirmed? */
         ConfirmedRole,
         /** Formatted amount, without brackets when unconfirmed */
-        FormattedAmountRole
+        FormattedAmountRole,
+        /** Transaction status (TransactionRecord::Status) */
+        StatusRole
     };
 
     int rowCount(const QModelIndex &parent) const;