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import bitcoin as b
from pyethereum import tester, utils
class TestSHA256(object):
def func():
return(sha256([1,2], items=2))
def setup_class(cls):
cls.s = tester.state()
cls.c = cls.s.abi_contract(cls.CONTRACT)
cls.snapshot = cls.s.snapshot()
def setup_method(self, method):
def test_func(self):
ints = ''.join([utils.zpad(utils.int_to_big_endian(x), 32) for x in [1, 2]])
hash = b.sha256(ints)
assert self.c.func() == int(hash, 16) - 2**256
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