qml: move save_tx to qewallet

electrum/gui/qml/qewallet.py

@@ -12,8 +12,8 @@ from electrum.i18n import _
 from electrum.invoices import InvoiceError, PR_DEFAULT_EXPIRATION_WHEN_CREATING, PR_PAID
 from electrum.logging import get_logger
 from electrum.network import TxBroadcastError, BestEffortRequestFailed
-from electrum.transaction import PartialTxOutput
-from electrum.util import (parse_max_spend, InvalidPassword, event_listener)
+from electrum.transaction import PartialTxOutput, PartialTransaction
+from electrum.util import parse_max_spend, InvalidPassword, event_listener, AddTransactionException
 from electrum.plugin import run_hook
 from electrum.wallet import Multisig_Wallet
 from electrum.crypto import pw_decode_with_version_and_mac
@@ -65,6 +65,8 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
     transactionSigned = pyqtSignal([str], arguments=['txid'])
     broadcastSucceeded = pyqtSignal([str], arguments=['txid'])
     broadcastFailed = pyqtSignal([str,str,str], arguments=['txid','code','reason'])
+    saveTxSuccess = pyqtSignal([str], arguments=['txid'])
+    saveTxError = pyqtSignal([str,str], arguments=['txid', 'code', 'message'])
     importChannelBackupFailed = pyqtSignal([str], arguments=['message'])
     labelsUpdated = pyqtSignal()
     otpRequested = pyqtSignal()
@@ -509,7 +511,7 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
         if broadcast:
             self.broadcast(tx)
         else:
-            # not broadcasted, so add to history now
+            # not broadcasted, so refresh history here
             self.historyModel.init_model(True)
 
     # this assumes a 2fa wallet, but there are no other tc_sign_wrapper hooks, so that's ok
@@ -553,6 +555,22 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
 
         #TODO: properly catch server side errors, e.g. bad-txns-inputs-missingorspent
 
+    def save_tx(self, tx: 'PartialTransaction'):
+        assert tx
+
+        try:
+            if not self.wallet.adb.add_transaction(tx):
+                self.saveTxError.emit(tx.txid(), 'conflict',
+                        _("Transaction could not be saved.") + "\n" + _("It conflicts with current history."))
+                return
+            self.wallet.save_db()
+            self.saveTxSuccess.emit(tx.txid())
+            self.historyModel.init_model(True)
+            return True
+        except AddTransactionException as e:
+            self.saveTxError.emit(tx.txid(), 'error', str(e))
+            return False
+
     paymentAuthRejected = pyqtSignal()
     def ln_auth_rejected(self):
         self.paymentAuthRejected.emit()