def api_bills(*, page='1'):
page_index = get_page_index(page)
num = yield from Bills.findNumber('count(id)')
p = Page(num, page_index)
if num == 0:
return dict(page=p, bills=())
bills = yield from Bills.findAll(limit=(p.offset, p.limit))
return dict(page=p, bills=bills)
