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Update hash function from blake2b to keccak 

https://github.com/ethereum/eth2.0-specs/pull/227
and https://github.com/ethereum/eth2.0-specs/issues/151
This commit is contained in:
mratsim 2018-12-06 15:02:30 +01:00 committed by Mamy Ratsimbazafy
parent 10ed2bd5b9
commit 2dcbdc2ae9
1 changed files with 11 additions and 3 deletions
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14
test_vectors_generator/tgen_shuffling.py
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@ -59,10 +59,18 @@ from enum import IntEnum
import random
Hash32 = NewType('Hash32', bytes)
from hashlib import blake2b
## See https://github.com/ethereum/eth2.0-specs/pull/227
## and https://github.com/ethereum/eth2.0-specs/issues/151
## Hashing as been changed from Blake2b-512[:32] to Keccak256
# from hashlib import blake2b
# def hash(x):
# return blake2b(x).digest()[:32]
from eth_utils import keccak
def hash(x):
return blake2b(x).digest()[:32]
return keccak(x)
class ValidatorStatus(IntEnum):
PENDING_ACTIVATION = 0
@ -278,7 +286,7 @@ if __name__ == '__main__':
# Config
random.seed(int("0xEF00BEAC", 16))
num_val = 15 # Number of validators
num_val = 256 # Number of validators
seedhash = bytes(random.randint(0, 255) for byte in range(32))