lnworker: rename can_send to num_sats_can_send

electrum/gui/kivy/uix/dialogs/invoice_dialog.py

@@ -105,7 +105,7 @@ class InvoiceDialog(Factory.Popup):
         self.status_color = pr_color[self.status]
         self.can_pay = self.status in [PR_UNPAID, PR_FAILED]
         if self.can_pay and self.is_lightning and self.app.wallet.lnworker:
-            if self.amount and self.amount > self.app.wallet.lnworker.can_send():
+            if self.amount and self.amount > self.app.wallet.lnworker.num_sats_can_send():
                 self.warning = _('Warning') + ': ' + _('This amount exceeds the maximum you can currently send with your channels')
 
     def on_dismiss(self):

electrum/gui/kivy/uix/dialogs/lightning_channels.py

@@ -1,14 +1,21 @@
 import asyncio
 import binascii
+from typing import TYPE_CHECKING
+
 from kivy.lang import Builder
 from kivy.factory import Factory
 from kivy.uix.popup import Popup
 from kivy.clock import Clock
+
 from electrum.util import bh2u
 from electrum.lnutil import LOCAL, REMOTE, format_short_channel_id
 from electrum.gui.kivy.i18n import _
 from .question import Question
 
+if TYPE_CHECKING:
+    from ...main_window import ElectrumWindow
+
+
 Builder.load_string(r'''
 <LightningChannelItem@CardItem>
     details: {}
@@ -267,7 +274,7 @@ class ChannelDetailsPopup(Popup):
 
 class LightningChannelsDialog(Factory.Popup):
 
-    def __init__(self, app):
+    def __init__(self, app: 'ElectrumWindow'):
         super(LightningChannelsDialog, self).__init__()
         self.clocks = []
         self.app = app
@@ -321,5 +328,5 @@ class LightningChannelsDialog(Factory.Popup):
 
     def update_can_send(self):
         lnworker = self.app.wallet.lnworker
-        self.can_send = self.app.format_amount_and_units(lnworker.can_send())
+        self.can_send = self.app.format_amount_and_units(lnworker.num_sats_can_send())
-        self.can_receive = self.app.format_amount_and_units(lnworker.can_receive())
+        self.can_receive = self.app.format_amount_and_units(lnworker.num_sats_can_receive())

electrum/gui/kivy/uix/dialogs/request_dialog.py

@@ -1,3 +1,5 @@
+from typing import TYPE_CHECKING
+
 from kivy.factory import Factory
 from kivy.lang import Builder
 from kivy.core.clipboard import Clipboard
@@ -8,6 +10,9 @@ from electrum.gui.kivy.i18n import _
 from electrum.util import pr_tooltips, pr_color, get_request_status
 from electrum.util import PR_UNKNOWN, PR_UNPAID, PR_FAILED, PR_TYPE_LN
 
+if TYPE_CHECKING:
+    from ...main_window import ElectrumWindow
+
 
 Builder.load_string('''
 <RequestDialog@Popup>
@@ -84,7 +89,7 @@ class RequestDialog(Factory.Popup):
     def __init__(self, title, data, key, *, is_lightning=False):
         self.status = PR_UNKNOWN
         Factory.Popup.__init__(self)
-        self.app = App.get_running_app()
+        self.app = App.get_running_app()  # type: ElectrumWindow
         self.title = title
         self.data = data
         self.key = key
@@ -107,7 +112,7 @@ class RequestDialog(Factory.Popup):
         self.status, self.status_str = get_request_status(req)
         self.status_color = pr_color[self.status]
         if self.status == PR_UNPAID and self.is_lightning and self.app.wallet.lnworker:
-            if self.amount and self.amount > self.app.wallet.lnworker.can_receive():
+            if self.amount and self.amount > self.app.wallet.lnworker.num_sats_can_receive():
                 self.warning = _('Warning') + ': ' + _('This amount exceeds the maximum you can currently receive with your channels')
 
     def on_dismiss(self):

electrum/gui/qt/channels_list.py

@@ -14,6 +14,7 @@ from electrum.i18n import _
 from electrum.lnchannel import Channel, peer_states
 from electrum.wallet import Abstract_Wallet
 from electrum.lnutil import LOCAL, REMOTE, format_short_channel_id, LN_MAX_FUNDING_SAT
+from electrum.lnworker import LNWallet
 
 from .util import (MyTreeView, WindowModalDialog, Buttons, OkButton, CancelButton,
                    EnterButton, WaitingDialog, MONOSPACE_FONT, ColorScheme)
@@ -224,10 +225,10 @@ class ChannelsList(MyTreeView):
                 item.setBackground(self._default_item_bg_brush)
                 item.setToolTip("")
 
-    def update_can_send(self, lnworker):
+    def update_can_send(self, lnworker: LNWallet):
-        msg = _('Can send') + ' ' + self.parent.format_amount(lnworker.can_send())\
+        msg = _('Can send') + ' ' + self.parent.format_amount(lnworker.num_sats_can_send())\
               + ' ' + self.parent.base_unit() + '; '\
-              + _('can receive') + ' ' + self.parent.format_amount(lnworker.can_receive())\
+              + _('can receive') + ' ' + self.parent.format_amount(lnworker.num_sats_can_receive())\
               + ' ' + self.parent.base_unit()
         self.can_send_label.setText(msg)
 

electrum/lnworker.py

@@ -7,7 +7,7 @@ import os
 from decimal import Decimal
 import random
 import time
-from typing import Optional, Sequence, Tuple, List, Dict, TYPE_CHECKING, NamedTuple
+from typing import Optional, Sequence, Tuple, List, Dict, TYPE_CHECKING, NamedTuple, Union
 import threading
 import socket
 import json
@@ -1314,11 +1314,11 @@ class LNWallet(LNWorker):
         with self.lock:
             return Decimal(sum(chan.balance(LOCAL) if not chan.is_closed() else 0 for chan in self.channels.values()))/1000
 
-    def can_send(self):
+    def num_sats_can_send(self) -> Union[Decimal, int]:
         with self.lock:
             return Decimal(max(chan.available_to_spend(LOCAL) if chan.is_open() else 0 for chan in self.channels.values()))/1000 if self.channels else 0
 
-    def can_receive(self):
+    def num_sats_can_receive(self) -> Union[Decimal, int]:
         with self.lock:
             return Decimal(max(chan.available_to_spend(REMOTE) if chan.is_open() else 0 for chan in self.channels.values()))/1000 if self.channels else 0