Qt show_lightning_invoice: show features

electrum/gui/qt/main_window.py

@@ -1456,20 +1456,24 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger, QtEventListener):
         grid.addWidget(QLabel(amount_str), 1, 1)
         grid.addWidget(QLabel(_("Description") + ':'), 2, 0)
         grid.addWidget(QLabel(invoice.message), 2, 1)
-        grid.addWidget(QLabel(_("Hash") + ':'), 3, 0)
+        grid.addWidget(QLabel(_("Creation time") + ':'), 3, 0)
+        grid.addWidget(QLabel(format_time(invoice.time)), 3, 1)
+        if invoice.exp:
+            grid.addWidget(QLabel(_("Expiration time") + ':'), 4, 0)
+            grid.addWidget(QLabel(format_time(invoice.time + invoice.exp)), 4, 1)
+        grid.addWidget(QLabel(_('Features') + ':'), 5, 0)
+        grid.addWidget(QLabel('\n'.join(lnaddr.get_features().get_names())), 5, 1)
         payhash_e = ButtonsLineEdit(lnaddr.paymenthash.hex())
         payhash_e.addCopyButton()
         payhash_e.setReadOnly(True)
-        vbox.addWidget(payhash_e)
-        grid.addWidget(payhash_e, 3, 1)
-        if invoice.exp:
-            grid.addWidget(QLabel(_("Expires") + ':'), 4, 0)
-            grid.addWidget(QLabel(format_time(invoice.time + invoice.exp)), 4, 1)
-        vbox.addLayout(grid)
+        grid.addWidget(QLabel(_("Payment Hash") + ':'), 6, 0)
+        grid.addWidget(payhash_e, 6, 1)
         invoice_e = ShowQRTextEdit(config=self.config)
         invoice_e.addCopyButton()
         invoice_e.setText(invoice.lightning_invoice)
-        vbox.addWidget(invoice_e)
+        grid.addWidget(QLabel(_('Text') + ':'), 7, 0)
+        grid.addWidget(invoice_e, 7, 1)
+        vbox.addLayout(grid)
         vbox.addLayout(Buttons(CloseButton(d),))
         d.exec_()
 

electrum/lnutil.py

@@ -1192,6 +1192,12 @@ class LnFeatures(IntFlag):
         return (flag in our_flags
                 or get_ln_flag_pair_of_bit(flag) in our_flags)
 
+    def get_names(self):
+        r = []
+        for flag in list_enabled_bits(self):
+            r.append(LnFeatures(1 << flag).name)
+        return r
+
 
 class ChannelType(IntFlag):
     OPTION_LEGACY_CHANNEL = 0