Apply ..

Compute ..

Median ..

ValidatorStatus ..

Active means allowed in epos auction.

Banned records whether this validator is banned from the network because they double-signed it can never be undone.

BannedForDoubleSigning ..

Booted ..

Candidate ..

Elected ..

ForeverBanned ..

Inactive means validator did not sign enough over 66% of the time in an epoch and so they are removed from the possibility of being in the epos auction, which happens only once an epoch and only by beaconchain, aka shard.BeaconChainShardID.

LostEPoSAuction ..

Nil is a default state that represents a no-op.

NotBooted ..

NotCandidate ..

TurnedInactiveOrInsufficientUptime ..

Unknown ..

SlotOrder ..

SlotPurchase ..

BootedStatus ..

Candidacy is a more semantically meaningful value that is derived from core protocol logic but meant more for the presentation of user, like at RPC.

Eligibility represents ability to participate in EPoS auction that occurs just once an epoch on beaconchain.