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Fix max list size for get_permutated_index

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Paul Hauner 2019-02-16 17:27:47 +11:00 committed by GitHub
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commit 2e6bf87bdf
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specs/core/0_beacon-chain.md
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@ -745,7 +745,7 @@ def get_permuted_index(index: int, list_size: int, seed: Bytes32) -> int:
See the 'generalized domain' algorithm on page 3.
"""
assert index < list_size
assert list_size <= 2**24
assert list_size <= 2**40
for round in range(SHUFFLE_ROUND_COUNT):
pivot = bytes_to_int(hash(seed + int_to_bytes1(round))[0:8]) % list_size