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Merge branch 'dev' into ericsson49/fix_reset_pending_shard_work

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protolambda 2021-06-17 18:54:29 +02:00
parent 22b2a73615 c68ce56407
commit dadcb2a06a
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10
specs/sharding/beacon-chain.md
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@ -576,12 +576,12 @@ def update_pending_shard_work(state: BeaconState, attestation: Attestation) -> N
# TODO In Altair: set participation bit flag for voters of this early winning header
if pending_header.commitment == DataCommitment():
# The committee voted to not confirm anything
state.shard_buffer[buffer_index][attestation_shard].change(
state.shard_buffer[buffer_index][attestation_shard].status.change(
selector=SHARD_WORK_UNCONFIRMED,
value=None,
)
else:
state.shard_buffer[buffer_index][attestation_shard].change(
state.shard_buffer[buffer_index][attestation_shard].status.change(
selector=SHARD_WORK_CONFIRMED,
value=pending_header.commitment,
)
@ -608,7 +608,7 @@ def process_shard_header(state: BeaconState, signed_header: SignedShardBlobHeade
assert committee_work.status.selector == SHARD_WORK_PENDING
# Check that this header is not yet in the pending list
current_headers: Sequence[PendingShardHeader] = committee_work.status.value
current_headers: List[PendingShardHeader, MAX_SHARD_HEADERS_PER_SHARD] = committee_work.status.value
header_root = hash_tree_root(header)
assert header_root not in [pending_header.root for pending_header in current_headers]
@ -640,7 +640,7 @@ def process_shard_header(state: BeaconState, signed_header: SignedShardBlobHeade
)
# Include it in the pending list
state.shard_buffer[header.slot % SHARD_STATE_MEMORY_SLOTS][header.shard].append(pending_header)
current_headers.append(pending_header)
```
The degree proof works as follows. For a block `B` with length `l` (so `l` values in `[0...l - 1]`, seen as a polynomial `B(X)` which takes these values),
@ -785,7 +785,7 @@ def reset_pending_shard_work(state: BeaconState) -> None:
shard = (start_shard + committee_index) % active_shards
# a committee is available, initialize a pending shard-header list
committee_length = len(get_beacon_committee(state, slot, CommitteeIndex(committee_index)))
state.shard_buffer[buffer_index][shard].change(
state.shard_buffer[buffer_index][shard].status.change(
selector=SHARD_WORK_PENDING,
value=List[PendingShardHeader, MAX_SHARD_HEADERS_PER_SHARD](
PendingShardHeader(