Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Whisk: assert zeroed values during selection gap #3425

Merged
merged 2 commits into from
Jun 15, 2023
Merged

Whisk: assert zeroed values during selection gap #3425

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
fcd6cc2
Assert zeroed values during selection gap
dapplion Jun 14, 2023
e5b918f
Update comment
dapplion Jun 14, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 7 additions & 4 deletions specs/_features/whisk/beacon-chain.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -319,20 +319,23 @@ def process_shuffled_trackers(state: BeaconState, body: BeaconBlockBody) -> None
# Check the shuffle proof
shuffle_indices = get_shuffle_indices(body.randao_reveal)
pre_shuffle_trackers = [state.whisk_candidate_trackers[i] for i in shuffle_indices]
post_shuffle_trackers = body.whisk_post_shuffle_trackers

shuffle_epoch = get_current_epoch(state) % WHISK_EPOCHS_PER_SHUFFLING_PHASE
if shuffle_epoch + WHISK_PROPOSER_SELECTION_GAP + 1 >= WHISK_EPOCHS_PER_SHUFFLING_PHASE:
# Require unchanged trackers during cooldown
assert pre_shuffle_trackers == post_shuffle_trackers
# Require trackers set to zero during cooldown
assert body.whisk_post_shuffle_trackers == Vector[WhiskTracker, WHISK_VALIDATORS_PER_SHUFFLE]()
assert body.whisk_shuffle_proof_M_commitment == BLSG1Point()
assert body.whisk_shuffle_proof == WhiskShuffleProof()
post_shuffle_trackers = pre_shuffle_trackers
else:
# Require shuffled trackers during shuffle
assert IsValidWhiskShuffleProof(
pre_shuffle_trackers,
post_shuffle_trackers,
body.whisk_post_shuffle_trackers,
body.whisk_shuffle_proof_M_commitment,
body.whisk_shuffle_proof,
)
post_shuffle_trackers = body.whisk_post_shuffle_trackers

# Shuffle candidate trackers
for i, shuffle_index in enumerate(shuffle_indices):
Expand Down