Update 0_beacon-chain.md

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Justin 2019-06-28 15:26:02 +01:00 committed by GitHub
parent e36593b155
commit 05842f8371
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1 changed files with 4 additions and 3 deletions

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@ -1294,14 +1294,15 @@ def process_justification_and_finalization(state: BeaconState) -> None:
# Process justifications
state.previous_justified_checkpoint = state.current_justified_checkpoint
state.justification_bits = [0b0] + state.justification_bits[:JUSTIFICATION_BITS_LENGTH - 1] # Bitshift
state.justification_bits[1:] == state.justification_bits[:JUSTIFICATION_BITS_LENGTH - 1]
state.justification_bits[0] = 0b0
matching_target_attestations = get_matching_target_attestations(state, previous_epoch) # Previous epoch
if get_attesting_balance(state, matching_target_attestations) * 3 >= get_total_active_balance(state) * 2:
state.current_justified_checkpoint = Checkpoint(previous_epoch, get_block_root(state, previous_epoch))
state.current_justified_checkpoint = Checkpoint(epoch=previous_epoch, root=get_block_root(state, previous_epoch))
state.justification_bits[1] = 0b1
matching_target_attestations = get_matching_target_attestations(state, current_epoch) # Current epoch
if get_attesting_balance(state, matching_target_attestations) * 3 >= get_total_active_balance(state) * 2:
state.current_justified_checkpoint = Checkpoint(current_epoch, get_block_root(state, current_epoch))
state.current_justified_checkpoint = Checkpoint(epoch=current_epoch, root=get_block_root(state, current_epoch))
state.justification_bits[0] = 0b1
# Process finalizations