def export_to_file(self, *, tx: Transaction = None):
        if tx is None:
            tx = self.tx
        if isinstance(tx, PartialTransaction):
            tx.finalize_psbt()
        if tx.is_complete():
            name = 'signed_%s.txn' % (tx.txid()[0:8])
        else:
            name = self.wallet.basename() + time.strftime('-%Y%m%d-%H%M.psbt')
        fileName = self.main_window.getSaveFileName(_("Select where to save your signed transaction"),
                                                    name,
                                                    TRANSACTION_FILE_EXTENSION_FILTER)
        if not fileName:
            return
        if tx.is_complete():  # network tx hex
            with open(fileName, "w+") as f:
                network_tx_hex = tx.serialize_to_network()
                f.write(network_tx_hex + '\n')
        else:  # if partial: PSBT bytes
            assert isinstance(tx, PartialTransaction)
            with open(fileName, "wb+") as f:
                f.write(tx.serialize_as_bytes())

        self.show_message(_("Transaction exported successfully"))
        self.saved = True
    def export_to_file(self, *, tx: Transaction = None):
        if tx is None:
            tx = self.tx
        if isinstance(tx, PartialTransaction):
            tx.finalize_psbt()
        if tx.is_complete():
            name = 'signed_%s' % (tx.txid()[0:8])
            extension = 'txn'
            default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX
        else:
            name = self.wallet.basename() + time.strftime('-%Y%m%d-%H%M')
            extension = 'psbt'
            default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX
        name = f'{name}.{extension}'
        fileName = self.main_window.getSaveFileName(
            _("Select where to save your transaction"),
            name,
            TRANSACTION_FILE_EXTENSION_FILTER_SEPARATE,
            default_extension=extension,
            default_filter=default_filter)
        if not fileName:
            return
        if tx.is_complete():  # network tx hex
            with open(fileName, "w+") as f:
                network_tx_hex = tx.serialize_to_network()
                f.write(network_tx_hex + '\n')
        else:  # if partial: PSBT bytes
            assert isinstance(tx, PartialTransaction)
            with open(fileName, "wb+") as f:
                f.write(tx.serialize_as_bytes())

        self.show_message(_("Transaction exported successfully"))
        self.saved = True
    def export_to_file(self, *, tx: Transaction = None):
        if tx is None:
            tx = self.tx
        if isinstance(tx, PartialTransaction):
            tx.finalize_psbt()
        txid = tx.txid()
        suffix = txid[0:8] if txid is not None else time.strftime(
            '%Y%m%d-%H%M')
        if tx.is_complete():
            extension = 'txn'
            default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX
        else:
            extension = 'psbt'
            default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX
        name = f'{self.wallet.basename()}-{suffix}.{extension}'
        fileName = getSaveFileName(
            parent=self,
            title=_("Select where to save your transaction"),
            filename=name,
            filter=TRANSACTION_FILE_EXTENSION_FILTER_SEPARATE,
            default_extension=extension,
            default_filter=default_filter,
            config=self.config,
        )
        if not fileName:
            return
        if tx.is_complete():  # network tx hex
            with open(fileName, "w+") as f:
                network_tx_hex = tx.serialize_to_network()
                f.write(network_tx_hex + '\n')
        else:  # if partial: PSBT bytes
            assert isinstance(tx, PartialTransaction)
            with open(fileName, "wb+") as f:
                f.write(tx.serialize_as_bytes())

        self.show_message(_("Transaction exported successfully"))
        self.saved = True