'USD is used as pivot'

def __init__(self):

    self.__dict__ = self.__shared_state
    self.rates = {'USD': 1, 'EUR': 0.77, 'CNY': 6.15, 'SEK': 6.6}
    self.update_delay = (60 * 60)
    self.last_update = 0
    self.bank_fee = 0.007
