def __init__(self, user, password, host='localhost', port=8332,
use_https=False):
"""
Create a new litecoin server connection.
"""
url = 'http{s}://{user}:{password}@{host}:{port}/'.format(
s='s' if use_https else '',
user=user, password=password, host=host, port=port)
self.url = url
try:
self.proxy = AuthServiceProxy(url)
except JSONRPCException as e:
raise _wrap_exception(e.error)
