qml: listen for verified callbacks in fee bumpers, tx canceller and txdetails.

TxDetails updates the page, Rbf adn Cpfp fee bump dialogs and RbfCancelDialog auto-close.

electrum/gui/qml/components/CpfpBumpFeeDialog.qml

@@ -7,8 +7,6 @@ import org.electrum 1.0
 
 import "controls"
 
-//TODO: listen to tx to be bumped, mined = abort this
-
 ElDialog {
     id: dialog
 
@@ -256,4 +254,10 @@ ElDialog {
         }
     }
 
+    Connections {
+        target: cpfpfeebumper
+        function onTxMined() {
+            dialog.close()
+        }
+    }
 }

electrum/gui/qml/components/RbfBumpFeeDialog.qml

@@ -29,13 +29,6 @@ ElDialog {
         color: "#aa000000"
     }
 
-    // function updateAmountText() {
-    //     btcValue.text = Config.formatSats(finalizer.effectiveAmount, false)
-    //     fiatValue.text = Daemon.fx.enabled
-    //         ? '(' + Daemon.fx.fiatValue(finalizer.effectiveAmount, false) + ' ' + Daemon.fx.fiatCurrency + ')'
-    //         : ''
-    // }
-
     ColumnLayout {
         width: parent.width
         height: parent.height
@@ -81,39 +74,6 @@ ElDialog {
                 }
             }
 
-            // Label {
-            //     id: amountLabel
-            //     text: qsTr('Amount to send')
-            //     color: Material.accentColor
-            // }
-            //
-            // RowLayout {
-            //     Layout.fillWidth: true
-            //     Label {
-            //         id: btcValue
-            //         font.bold: true
-            //     }
-            //
-            //     Label {
-            //         text: Config.baseUnit
-            //         color: Material.accentColor
-            //     }
-            //
-            //     Label {
-            //         id: fiatValue
-            //         Layout.fillWidth: true
-            //         font.pixelSize: constants.fontSizeMedium
-            //     }
-            //
-            //     Component.onCompleted: updateAmountText()
-            //     Connections {
-            //         target: finalizer
-            //         function onEffectiveAmountChanged() {
-            //             updateAmountText()
-            //         }
-            //     }
-            // }
-
             Label {
                 text: qsTr('Mining fee')
                 color: Material.accentColor
@@ -261,4 +221,10 @@ ElDialog {
         }
     }
 
+    Connections {
+        target: rbffeebumper
+        function onTxMined() {
+            dialog.close()
+        }
+    }
 }

electrum/gui/qml/components/RbfCancelDialog.qml

@@ -227,4 +227,10 @@ ElDialog {
         }
     }
 
+    Connections {
+        target: txcanceller
+        function onTxMined() {
+            dialog.close()
+        }
+    }
 }

electrum/gui/qml/qetxdetails.py

@@ -7,11 +7,9 @@ from electrum.transaction import tx_from_any
 
 from .qewallet import QEWallet
 from .qetypes import QEAmount
+from .util import QtEventListener, event_listener
 
-class QETxDetails(QObject):
-    def __init__(self, parent=None):
-        super().__init__(parent)
-
+class QETxDetails(QObject, QtEventListener):
     _logger = get_logger(__name__)
 
     _wallet = None
@@ -55,6 +53,20 @@ class QETxDetails(QObject):
 
     detailsChanged = pyqtSignal()
 
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.register_callbacks()
+        self.destroyed.connect(lambda: self.on_destroy())
+
+    def on_destroy(self):
+        self.unregister_callbacks()
+
+    @event_listener
+    def on_event_verified(self, wallet, txid, info):
+        if wallet == self._wallet.wallet and txid == self._txid:
+            self._logger.debug('verified event for our txid %s' % txid)
+            self.update()
+
     walletChanged = pyqtSignal()
     @pyqtProperty(QEWallet, notify=walletChanged)
     def wallet(self):

electrum/gui/qml/qetxfinalizer.py

@@ -12,6 +12,7 @@ from electrum.network import NetworkException
 
 from .qewallet import QEWallet
 from .qetypes import QEAmount
+from .util import QtEventListener, event_listener
 
 class FeeSlider(QObject):
     _wallet = None
@@ -372,18 +373,30 @@ class QETxFinalizer(TxFeeSlider):
         else:
             return str(self._tx)
 
-
-class QETxRbfFeeBumper(TxFeeSlider):
-    _logger = get_logger(__name__)
-
-    _oldfee = QEAmount()
-    _oldfee_rate = 0
-    _orig_tx = None
+# mixin for watching an existing TX based on its txid for verified event
+# requires self._wallet to contain a QEWallet instance
+# exposes txid qt property
+# calls get_tx() once txid is set
+# calls tx_verified and emits txMined signal once tx is verified
+class TxMonMixin(QtEventListener):
     _txid = ''
-    _rbf = True
+
+    txMined = pyqtSignal()
 
     def __init__(self, parent=None):
-        super().__init__(parent)
+        self._logger.debug('TxMonMixin.__init__')
+        self.register_callbacks()
+        self.destroyed.connect(lambda: self.on_destroy())
+
+    def on_destroy(self):
+        self.unregister_callbacks()
+
+    @event_listener
+    def on_event_verified(self, wallet, txid, info):
+        if wallet == self._wallet.wallet and txid == self._txid:
+            self._logger.debug('verified event for our txid %s' % txid)
+            self.tx_verified()
+            self.txMined.emit()
 
     txidChanged = pyqtSignal()
     @pyqtProperty(str, notify=txidChanged)
@@ -397,6 +410,25 @@ class QETxRbfFeeBumper(TxFeeSlider):
             self.get_tx()
             self.txidChanged.emit()
 
+    # override
+    def get_tx(self):
+        pass
+
+    # override
+    def tx_verified(self):
+        pass
+
+class QETxRbfFeeBumper(TxFeeSlider, TxMonMixin):
+    _logger = get_logger(__name__)
+
+    _oldfee = QEAmount()
+    _oldfee_rate = 0
+    _orig_tx = None
+    _rbf = True
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
     oldfeeChanged = pyqtSignal()
     @pyqtProperty(QEAmount, notify=oldfeeChanged)
     def oldfee(self):
@@ -502,7 +534,7 @@ class QETxRbfFeeBumper(TxFeeSlider):
     def getNewTx(self):
         return str(self._tx)
 
-class QETxCanceller(TxFeeSlider):
+class QETxCanceller(TxFeeSlider, TxMonMixin):
     _logger = get_logger(__name__)
 
     _oldfee = QEAmount()
@@ -514,18 +546,6 @@ class QETxCanceller(TxFeeSlider):
     def __init__(self, parent=None):
         super().__init__(parent)
 
-    txidChanged = pyqtSignal()
-    @pyqtProperty(str, notify=txidChanged)
-    def txid(self):
-        return self._txid
-
-    @txid.setter
-    def txid(self, txid):
-        if self._txid != txid:
-            self._txid = txid
-            self.get_tx()
-            self.txidChanged.emit()
-
     oldfeeChanged = pyqtSignal()
     @pyqtProperty(QEAmount, notify=oldfeeChanged)
     def oldfee(self):
@@ -620,7 +640,7 @@ class QETxCanceller(TxFeeSlider):
     def getNewTx(self):
         return str(self._tx)
 
-class QETxCpfpFeeBumper(TxFeeSlider):
+class QETxCpfpFeeBumper(TxFeeSlider, TxMonMixin):
     _logger = get_logger(__name__)
 
     _input_amount = QEAmount()
@@ -641,18 +661,6 @@ class QETxCpfpFeeBumper(TxFeeSlider):
     def __init__(self, parent=None):
         super().__init__(parent)
 
-    txidChanged = pyqtSignal()
-    @pyqtProperty(str, notify=txidChanged)
-    def txid(self):
-        return self._txid
-
-    @txid.setter
-    def txid(self, txid):
-        if self._txid != txid:
-            self._txid = txid
-            self.get_tx()
-            self.txidChanged.emit()
-
     totalFeeChanged = pyqtSignal()
     @pyqtProperty(QEAmount, notify=totalFeeChanged)
     def totalFee(self):