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eth2.0-specs
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Merge branch 'dev' into start-at-zero

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Hsiao-Wei Wang 2019-04-18 08:50:50 +08:00
parent 5531adcdd1 02cbb35c8a
commit 5f9e625774
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1 changed files with 5 additions and 8 deletions
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13
specs/core/0_beacon-chain.md
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@ -423,8 +423,6 @@ The types are defined topologically to aid in facilitating an executable version
'aggregation_bitfield': 'bytes',
# Attestation data
'data': AttestationData,
# Custody bitfield
'custody_bitfield': 'bytes',
# Inclusion slot
'inclusion_slot': 'uint64',
}
@ -916,7 +914,7 @@ def get_block_root(state: BeaconState,
return state.latest_block_roots[slot % SLOTS_PER_HISTORICAL_ROOT]
```
`get_block_root(_, s)` should always return `hash_tree_root` of the block in the beacon chain at slot `s`, and `get_crosslink_committees_at_slot(_, s)` should not change unless the [validator](#dfn-validator) registry changes.
`get_block_root(_, s)` should always return `signed_root` of the block in the beacon chain at slot `s`, and `get_crosslink_committees_at_slot(_, s)` should not change unless the [validator](#dfn-validator) registry changes.
### `get_state_root`
@ -1715,12 +1713,12 @@ def update_justification_and_finalization(state: BeaconState) -> None:
state.finalized_epoch = antepenultimate_justified_epoch
state.finalized_root = get_block_root(state, get_epoch_start_slot(state.finalized_epoch))
# The 1st/2nd/3rd most recent epochs are justified, the 1st using the 3rd as source
if (bitfield >> 0) % 8 == 0b111 and state.previous_justified_root == current_epoch - 2:
state.finalized_epoch = state.previous_justified_root
if (bitfield >> 0) % 8 == 0b111 and state.previous_justified_epoch == current_epoch - 2:
state.finalized_epoch = state.previous_justified_epoch
state.finalized_root = get_block_root(state, get_epoch_start_slot(state.finalized_epoch))
# The 1st/2nd most recent epochs are justified, the 1st using the 2nd as source
if (bitfield >> 0) % 4 == 0b11 and state.previous_justified_root == current_epoch - 1:
state.finalized_epoch = state.previous_justified_root
if (bitfield >> 0) % 4 == 0b11 and state.previous_justified_epoch == current_epoch - 1:
state.finalized_epoch = state.previous_justified_epoch
state.finalized_root = get_block_root(state, get_epoch_start_slot(state.finalized_epoch))
```
@ -2135,7 +2133,6 @@ def process_attestation(state: BeaconState, attestation: Attestation) -> None:
pending_attestation = PendingAttestation(
data=attestation.data,
aggregation_bitfield=attestation.aggregation_bitfield,
custody_bitfield=attestation.custody_bitfield,
inclusion_slot=state.slot
)
if target_epoch == get_current_epoch(state):