return tx in on_closed callback

electrum/gui/qt/main_window.py

@@ -1183,6 +1183,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger, QtEventListener):
         *,
         external_keypairs: Mapping[bytes, bytes] = None,
         invoice: Invoice = None,
+        on_closed: Callable[[Optional[Transaction]], None] = None,
         show_sign_button: bool = True,
         show_broadcast_button: bool = True,
     ):
@@ -1191,6 +1192,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger, QtEventListener):
             parent=self,
             external_keypairs=external_keypairs,
             invoice=invoice,
+            on_closed=on_closed,
             show_sign_button=show_sign_button,
             show_broadcast_button=show_broadcast_button,
         )

electrum/gui/qt/transaction_dialog.py

@@ -427,7 +427,7 @@ def show_transaction(
     prompt_if_unsaved: bool = False,
     external_keypairs: Mapping[bytes, bytes] = None,
     invoice: 'Invoice' = None,
-    on_closed: Callable[[], None] = None,
+    on_closed: Callable[[Optional[Transaction]], None] = None,
     show_sign_button: bool = True,
     show_broadcast_button: bool = True,
 ):
@@ -463,7 +463,7 @@ class TxDialog(QDialog, MessageBoxMixin):
         prompt_if_unsaved: bool,
         external_keypairs: Mapping[bytes, bytes] = None,
         invoice: 'Invoice' = None,
-        on_closed: Callable[[], None] = None,
+        on_closed: Callable[[Optional[Transaction]], None] = None,
     ):
         '''Transactions in the wallet will show their description.
         Pass desc to give a description for txs not yet in the wallet.
@@ -640,7 +640,7 @@ class TxDialog(QDialog, MessageBoxMixin):
             self._fetch_txin_data_fut = None
 
         if self.on_closed:
-            self.on_closed()
+            self.on_closed(self.tx)
 
     def reject(self):
         # Override escape-key to close normally (and invoke closeEvent)

electrum/plugins/psbt_nostr/qt.py

@@ -145,7 +145,7 @@ class QtCosignerWallet(EventListener, CosignerWallet):
             self.add_transaction_to_wallet(tx, label=label, on_failure=self.on_add_fail)
             self.window.update_tabs()
 
-    def on_tx_dialog_closed(self, event_id):
+    def on_tx_dialog_closed(self, event_id, _tx: Optional['Transaction']):
         self.mark_pending_event_rcvd(event_id)
 
     def on_add_fail(self, msg: str):