def change_transfer_rule(self, transfer_rule_text):
translated_transfer_text = Translate.transfer_rule(transfer_rule_text)
if translated_transfer_text is not None:
if translated_transfer_text[
'buy_price_limit'] > translated_transfer_text[
'sell_price_limit']:
return -1
else:
self.transfer.change_rule(
translated_transfer_text['amount_limit'],
translated_transfer_text['buy_price_limit'],
translated_transfer_text['sell_price_limit'])
return 0
else:
return -2
