more QEAmount refactoring

electrum/gui/qml/components/Receive.qml

@@ -43,12 +43,12 @@ Pane {
             placeholderText: qsTr('Amount')
             inputMethodHints: Qt.ImhPreferNumbers
 
-            property string textAsSats
+            property Amount textAsSats
             onTextChanged: {
                 textAsSats = Config.unitsToSats(amount.text)
                 if (amountFiat.activeFocus)
                     return
-                amountFiat.text = Daemon.fx.fiatValue(amount.textAsSats)
+                amountFiat.text = text == '' ? '' : Daemon.fx.fiatValue(amount.textAsSats)
             }
 
             Connections {
@@ -109,7 +109,7 @@ Pane {
                     expiresmodel.append({'text': qsTr('1 hour'), 'value': 60*60})
                     expiresmodel.append({'text': qsTr('1 day'), 'value': 24*60*60})
                     expiresmodel.append({'text': qsTr('1 week'), 'value': 7*24*60*60})
-                    expiresmodel.append({'text': qsTr('1 month'), 'value': 31*7*24*60*60})
+                    expiresmodel.append({'text': qsTr('1 month'), 'value': 31*24*60*60})
                     expiresmodel.append({'text': qsTr('Never'), 'value': 0})
                     expires.currentIndex = 0
                 }

electrum/gui/qml/components/Send.qml

@@ -77,7 +77,7 @@ Pane {
             placeholderText: qsTr('Amount')
             Layout.preferredWidth: parent.width /2
             inputMethodHints: Qt.ImhPreferNumbers
-            property string textAsSats
+            property Amount textAsSats
             onTextChanged: {
                 textAsSats = Config.unitsToSats(amount.text)
                 if (amountFiat.activeFocus)

electrum/gui/qml/qeconfig.py

@@ -89,23 +89,25 @@ class QEConfig(QObject):
     def max_precision(self):
         return self.decimal_point() + 0 #self.extra_precision
 
-    @pyqtSlot(str, result='qint64')
+    @pyqtSlot(str, result=QEAmount)
     def unitsToSats(self, unitAmount):
+        self._amount = QEAmount()
         try:
             x = Decimal(unitAmount)
         except:
-            return 0
+            return self._amount
 
         # scale it to max allowed precision, make it an int
         max_prec_amount = int(pow(10, self.max_precision()) * x)
         # if the max precision is simply what unit conversion allows, just return
         if self.max_precision() == self.decimal_point():
-            return max_prec_amount
+            self._amount = QEAmount(amount_sat=max_prec_amount)
+            return self._amount
         self._logger.debug('fallthrough')
         # otherwise, scale it back to the expected unit
         #amount = Decimal(max_prec_amount) / Decimal(pow(10, self.max_precision()-self.decimal_point()))
         #return int(amount) #Decimal(amount) if not self.is_int else int(amount)
-        return 0
+        return self._amount
 
     @pyqtSlot('quint64', result=float)
     def satsToUnits(self, satoshis):

electrum/gui/qml/qetxfinalizer.py

@@ -8,6 +8,7 @@ from electrum.transaction import PartialTxOutput
 from electrum.util import NotEnoughFunds, profiler
 
 from .qewallet import QEWallet
+from .qetypes import QEAmount
 
 class QETxFinalizer(QObject):
     def __init__(self, parent=None):
@@ -16,7 +17,7 @@ class QETxFinalizer(QObject):
     _logger = get_logger(__name__)
 
     _address = ''
-    _amount = ''
+    _amount = QEAmount()
     _fee = ''
     _feeRate = ''
     _wallet = None
@@ -58,14 +59,14 @@ class QETxFinalizer(QObject):
             self.addressChanged.emit()
 
     amountChanged = pyqtSignal()
-    @pyqtProperty(str, notify=amountChanged)
+    @pyqtProperty(QEAmount, notify=amountChanged)
     def amount(self):
         return self._amount
 
     @amount.setter
     def amount(self, amount):
         if self._amount != amount:
-            self._logger.info('amount = "%s"' % amount)
+            self._logger.info('amount = "%s"' % repr(amount))
             self._amount = amount
             self.amountChanged.emit()
 
@@ -181,7 +182,7 @@ class QETxFinalizer(QObject):
     @profiler
     def make_tx(self, rbf: bool):
         coins = self._wallet.wallet.get_spendable_coins(None)
-        outputs = [PartialTxOutput.from_address_and_value(self.address, int(self.amount))]
+        outputs = [PartialTxOutput.from_address_and_value(self.address, self._amount.satsInt)]
         tx = self._wallet.wallet.make_unsigned_transaction(coins=coins,outputs=outputs, fee=None)
         self._logger.debug('fee: %d, inputs: %d, outputs: %d' % (tx.get_fee(), len(tx.inputs()), len(tx.outputs())))
         return tx
@@ -204,7 +205,8 @@ class QETxFinalizer(QObject):
             self.validChanged.emit()
             return
 
-        amount = int(self.amount) if self.amount != '!' else tx.output_value()
+        amount = self._amount.satsInt if not self._amount.isMax else tx.output_value()
+
         tx_size = tx.estimated_size()
         fee = tx.get_fee()
         feerate = Decimal(fee) / tx_size  # sat/byte

electrum/gui/qml/qewallet.py

@@ -16,6 +16,7 @@ from electrum.invoices import   (Invoice, InvoiceError, PR_TYPE_ONCHAIN, PR_TYPE
 from .qeinvoicelistmodel import QEInvoiceListModel, QERequestListModel
 from .qetransactionlistmodel import QETransactionListModel
 from .qeaddresslistmodel import QEAddressListModel
+from .qetypes import QEAmount
 
 class QEWallet(QObject):
     __instances = []
@@ -318,10 +319,10 @@ class QEWallet(QObject):
         self._requestModel.add_invoice(req)
         return addr
 
-    @pyqtSlot('quint64', 'QString', int)
-    @pyqtSlot('quint64', 'QString', int, bool)
-    @pyqtSlot('quint64', 'QString', int, bool, bool)
-    def create_request(self, amount: int, message: str, expiration: int, is_lightning: bool = False, ignore_gap: bool = False):
+    @pyqtSlot(QEAmount, 'QString', int)
+    @pyqtSlot(QEAmount, 'QString', int, bool)
+    @pyqtSlot(QEAmount, 'QString', int, bool, bool)
+    def create_request(self, amount: QEAmount, message: str, expiration: int, is_lightning: bool = False, ignore_gap: bool = False):
         expiry = expiration #TODO: self.config.get('request_expiry', PR_DEFAULT_EXPIRATION_WHEN_CREATING)
         try:
             if is_lightning:
@@ -329,9 +330,9 @@ class QEWallet(QObject):
                     self.requestCreateError.emit('fatal',_("You need to open a Lightning channel first."))
                     return
                 # TODO maybe show a warning if amount exceeds lnworker.num_sats_can_receive (as in kivy)
-                key = self.wallet.lnworker.add_request(amount, message, expiry)
+                key = self.wallet.lnworker.add_request(amount.satsInt, message, expiry)
             else:
-                key = self.create_bitcoin_request(amount, message, expiry, ignore_gap)
+                key = self.create_bitcoin_request(amount.satsInt, message, expiry, ignore_gap)
                 if not key:
                     return
                 self._addressModel.init_model()