ActivatedValidatorIndices determines the indices activated during the given epoch.

EjectedValidatorIndices determines the indices ejected during the given epoch.

ExitedValidatorIndices determines the indices exited during the current epoch.

InitiateValidatorExit takes in validator index and updates validator with correct voluntary exit parameters.

SlashedValidatorIndices determines the indices slashed during the given epoch.

SlashValidator slashes the malicious validator's balance and awards the whistleblower's balance.