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.

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

Disallow duplicate voluntary exits #751

Merged
merged 2 commits into from
Mar 11, 2019
Merged
Changes from all commits
Commits
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
6 changes: 4 additions & 2 deletions specs/core/0_beacon-chain.md
Original file line number Diff line number Diff line change
Expand Up @@ -2453,14 +2453,16 @@ Verify that `len(block.body.voluntary_exits) <= MAX_VOLUNTARY_EXITS`.
For each `exit` in `block.body.voluntary_exits`, run the following function:

```python
def process_exit(state: BeaconState, exit: VoluntaryExit) -> None:
def process_voluntary_exit(state: BeaconState, exit: VoluntaryExit) -> None:
"""
Process ``VoluntaryExit`` transaction.
Note that this function mutates ``state``.
"""
validator = state.validator_registry[exit.validator_index]
# Verify the validator has not yet exited
assert validator.exit_epoch > get_delayed_activation_exit_epoch(get_current_epoch(state))
assert validator.exit_epoch == FAR_FUTURE_EPOCH
# Verify the validator has not initiated an exit
assert validator.initiated_exit is False
# Exits must specify an epoch when they become valid; they are not valid before then
assert get_current_epoch(state) >= exit.epoch
# Verify signature
Expand Down