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eth2.0-specs
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Hsiao-Wei Wang 2020-05-15 23:09:07 +08:00
parent 9f340d5fd1
commit 8f70453aef
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1 changed files with 3 additions and 3 deletions
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specs/phase0/beacon-chain.md
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@ -732,7 +732,7 @@ def compute_shuffled_index(index: uint64, index_count: uint64, seed: Bytes32) ->
# See the 'generalized domain' algorithm on page 3
for current_round in map(uint64, range(SHUFFLE_ROUND_COUNT)):
pivot = bytes_to_int(hash(seed + int_to_bytes(current_round, length=uint64(1)))[0:8]) % index_count
flip = (pivot + index_count - index) % index_count
flip = uint64((pivot + index_count - index) % index_count)
position = max(index, flip)
source = hash(
seed
@ -741,7 +741,7 @@ def compute_shuffled_index(index: uint64, index_count: uint64, seed: Bytes32) ->
)
byte = source[(position % 256) // 8]
bit = (byte >> (position % 8)) % 2
index = uint64(flip) if bit else index
index = flip if bit else index
return index
```
@ -1097,7 +1097,7 @@ def initiate_validator_exit(state: BeaconState, index: ValidatorIndex) -> None:
exit_queue_epoch = max(exit_epochs + [compute_activation_exit_epoch(get_current_epoch(state))])
exit_queue_churn = len([v for v in state.validators if v.exit_epoch == exit_queue_epoch])
if exit_queue_churn >= get_validator_churn_limit(state):
exit_queue_epoch = Epoch(exit_queue_epoch + 1)
exit_queue_epoch += Epoch(1)
# Set validator exit epoch and withdrawable epoch
validator.exit_epoch = exit_queue_epoch