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Update 0_beacon-chain.md

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Justin 2019-01-22 10:30:31 +00:00 committed by GitHub
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specs/core/0_beacon-chain.md
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@ -517,8 +517,8 @@ Code snippets appearing in `this style` are to be interpreted as Python code. Be
'pubkey': 'bytes48',
# Withdrawal credentials
'withdrawal_credentials': 'bytes32',
# Slots the proposer has skipped (i.e. layers of RANDAO expected)
'randao_layers': 'uint64',
# Number of proposer slots since genesis
'proposer_slots': 'uint64',
# Slot when validator activated
'activation_slot': 'uint64',
# Slot when validator exited
@ -1333,7 +1333,7 @@ def process_deposit(state: BeaconState,
validator = Validator(
pubkey=pubkey,
withdrawal_credentials=withdrawal_credentials,
randao_layers=0,
proposer_slots=0,
activation_slot=FAR_FUTURE_SLOT,
exit_slot=FAR_FUTURE_SLOT,
withdrawal_slot=FAR_FUTURE_SLOT,
@ -1430,7 +1430,7 @@ Below are the processing steps that happen at every slot.
### Misc counters
* Set `state.slot += 1`.
* Set `state.validator_registry[get_beacon_proposer_index(state, state.slot)].randao_layers += 1`.
* Set `state.validator_registry[get_beacon_proposer_index(state, state.slot)].proposer_slots += 1`.
* Set `state.latest_randao_mixes[state.slot % LATEST_RANDAO_MIXES_LENGTH] = state.latest_randao_mixes[(state.slot - 1) % LATEST_RANDAO_MIXES_LENGTH]`
### Block roots
@ -1456,7 +1456,7 @@ Below are the processing steps that happen at every `block`.
### RANDAO
* Let `proposer = state.validator_registry[get_beacon_proposer_index(state, state.slot)]`.
* Verify that `bls_verify(pubkey=proposer.pubkey, message=int_to_bytes32(proposer.randao_layers), signature=block.randao_reveal, domain=get_domain(state.fork, state.slot, DOMAIN_RANDAO))`.
* Verify that `bls_verify(pubkey=proposer.pubkey, message=int_to_bytes32(proposer.proposer_slots), signature=block.randao_reveal, domain=get_domain(state.fork, state.slot, DOMAIN_RANDAO))`.
* Set `state.latest_randao_mixes[state.slot % LATEST_RANDAO_MIXES_LENGTH] = hash(state.latest_randao_mixes[state.slot % LATEST_RANDAO_MIXES_LENGTH] + block.randao_reveal)`.
### Eth1 data