@property
def chain_params(self):
    if (self.offline or (self.rpc is None)):
        return known_chains['CREA']
    else:
        return self.get_network()
@property
def chain_params(self):
    if (self.offline or (self.rpc is None)):
        return known_chains['CREA']
    else:
        return self.get_network()