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update sharding spec to extend Merge types

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protolambda 2021-03-27 01:28:52 +01:00
parent d067237e30
commit 5e186fc136
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1 changed files with 7 additions and 8 deletions
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specs/sharding/beacon-chain.md
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@ -153,19 +153,18 @@ class AttestationData(Container):
### `BeaconBlockBody`
```python
class BeaconBlockBody(phase0.BeaconBlockBody):
# insert phase 0 fields
class BeaconBlockBody(merge.BeaconBlockBody): # [extends The Merge block body]
shard_headers: List[SignedShardHeader, MAX_SHARDS * MAX_SHARD_HEADERS_PER_SHARD]
```
### `BeaconState`
```python
class BeaconState(phase0.BeaconState):
# Updated fields
class BeaconState(merge.BeaconState): # [extends The Merge block body]
# [Updated fields]
previous_epoch_attestations: List[PendingAttestation, MAX_ATTESTATIONS * SLOTS_PER_EPOCH]
current_epoch_attestations: List[PendingAttestation, MAX_ATTESTATIONS * SLOTS_PER_EPOCH]
# New fields
# [New fields]
previous_epoch_pending_shard_headers: List[PendingShardHeader, MAX_SHARDS * MAX_SHARD_HEADERS_PER_SHARD * SLOTS_PER_EPOCH]
current_epoch_pending_shard_headers: List[PendingShardHeader, MAX_SHARDS * MAX_SHARD_HEADERS_PER_SHARD * SLOTS_PER_EPOCH]
grandparent_epoch_confirmed_commitments: Vector[Vector[DataCommitment, SLOTS_PER_EPOCH], MAX_SHARDS]
@ -420,8 +419,8 @@ def process_block(state: BeaconState, block: BeaconBlock) -> None:
process_block_header(state, block)
process_randao(state, block.body)
process_eth1_data(state, block.body)
process_light_client_aggregate(state, block.body)
process_operations(state, block.body)
process_operations(state, block.body) # [Modified]
process_application_payload(state, block.body) # [Part of the Merge]
```
#### Operations
@ -548,7 +547,7 @@ The goal is to ensure that a proof can only be constructed if `deg(B) < l` (ther
### Epoch transition
This epoch transition overrides the phase0 epoch transition:
This epoch transition overrides the Merge epoch transition:
```python
def process_epoch(state: BeaconState) -> None: