qt,qml: move get_text_not_enough_funds_mentioning_frozen and get_frozen_balance_str to backend wallet

Note: the qt gui used to include FX in get_frozen_balance_str, but that is not replicated now.

electrum/gui/qml/components/InvoiceDialog.qml

@@ -230,9 +230,9 @@ ElDialog {
                                 Connections {
                                     target: invoice.amountOverride
                                     function onSatsIntChanged() {
-                                        console.log('amuontOverride satsIntChanged, sats=' + invoice.amountOverride.satsInt)
+                                        console.log('amountOverride satsIntChanged, sats=' + invoice.amountOverride.satsInt)
                                         if (amountMax.checked)  // amountOverride updated by max amount estimate
-                                            amountBtc.text = Config.formatSats(invoice.amountOverride.satsInt)
+                                            amountBtc.text = Config.formatSatsForEditing(invoice.amountOverride.satsInt)
                                     }
                                 }
                             }

electrum/gui/qml/components/OpenChannelDialog.qml

@@ -183,7 +183,7 @@ ElDialog {
                         target: channelopener.amount
                         function onSatsIntChanged() {
                             if (is_max.checked)  // amount updated by max amount estimate
-                                amountBtc.text = Config.formatSats(channelopener.amount.satsInt)
+                                amountBtc.text = Config.formatSatsForEditing(channelopener.amount.satsInt)
                         }
                     }
                 }

electrum/gui/qml/qewallet.py

@@ -819,20 +819,8 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
         sig = self.wallet.sign_message(address, message, self.password)
         return base64.b64encode(sig).decode('ascii')
 
-    def get_text_not_enough_funds_mentioning_frozen(self) -> str:
-        text = _('Not enough funds')
-        frozen_str = self.get_frozen_balance_str()
-        if frozen_str:
-            text += " ({} {})".format(frozen_str, _('are frozen'))
-        return text
-
-    def get_frozen_balance_str(self) -> Optional[str]:
-        frozen_bal = sum(self.wallet.get_frozen_balance())
-        if not frozen_bal:
-            return None
-        return self.wallet.config.format_amount_and_units(frozen_bal)
-
-    def determine_max(self, *, mktx: Callable[[int], PartialTransaction]) -> Tuple[int, str]:
+    def determine_max(self, *, mktx: Callable[[Optional[int]], PartialTransaction]) -> Tuple[Optional[int], Optional[str]]:
+        # TODO: merge with SendTab.spend_max() and move to backend wallet
         amount = message = None
         try:
             try:
@@ -844,6 +832,6 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
             amount = tx.output_value()
         except NotEnoughFunds as e:
             self._logger.debug(str(e))
-            message = self.get_text_not_enough_funds_mentioning_frozen()
+            message = self.wallet.get_text_not_enough_funds_mentioning_frozen()
 
         return amount, message

electrum/gui/qt/send_tab.py

@@ -267,7 +267,7 @@ class SendTab(QWidget, MessageBoxMixin, Logger):
                 tx = make_tx(0)
         except NotEnoughFunds as e:
             self.max_button.setChecked(False)
-            text = self.get_text_not_enough_funds_mentioning_frozen()
+            text = self.wallet.get_text_not_enough_funds_mentioning_frozen()
             self.show_error(text)
             return
 
@@ -283,7 +283,7 @@ class SendTab(QWidget, MessageBoxMixin, Logger):
         if x_fee_amount:
             twofactor_fee_str = self.format_amount_and_units(x_fee_amount)
             msg += "\n" + _("2fa fee: {} (for the next batch of transactions)").format(twofactor_fee_str)
-        frozen_bal = self.get_frozen_balance_str()
+        frozen_bal = self.wallet.get_frozen_balance_str()
         if frozen_bal:
             msg += "\n" + _("Some coins are frozen: {} (can be unfrozen in the Addresses or in the Coins tab)").format(frozen_bal)
         QToolTip.showText(self.max_button.mapToGlobal(QPoint(0, 0)), msg)
@@ -353,19 +353,6 @@ class SendTab(QWidget, MessageBoxMixin, Logger):
             callback=sign_done,
             external_keypairs=external_keypairs)
 
-    def get_text_not_enough_funds_mentioning_frozen(self) -> str:
-        text = _("Not enough funds")
-        frozen_str = self.get_frozen_balance_str()
-        if frozen_str:
-            text += " ({} {})".format(frozen_str, _("are frozen"))
-        return text
-
-    def get_frozen_balance_str(self) -> Optional[str]:
-        frozen_bal = sum(self.wallet.get_frozen_balance())
-        if not frozen_bal:
-            return None
-        return self.format_amount_and_units(frozen_bal)
-
     def do_clear(self):
         self.logger.debug('do_clear')
         self.lock_fields(lock_recipient=False, lock_amount=False, lock_max=True, lock_description=False)

electrum/wallet.py

@@ -3356,6 +3356,19 @@ class Abstract_Wallet(ABC, Logger, EventListener):
     def get_unlocked_password(self):
         return self._password_in_memory
 
+    def get_text_not_enough_funds_mentioning_frozen(self) -> str:
+        text = _('Not enough funds')
+        frozen_str = self.get_frozen_balance_str()
+        if frozen_str:
+            text += ' ' + _('({} are frozen)').format(frozen_str)
+        return text
+
+    def get_frozen_balance_str(self) -> Optional[str]:
+        frozen_bal = sum(self.get_frozen_balance())
+        if not frozen_bal:
+            return None
+        return self.config.format_amount_and_units(frozen_bal)
+
 
 class Simple_Wallet(Abstract_Wallet):
     # wallet with a single keystore