const HaltLevelNone, HaltLevelSafeMode, HaltLevelEmergency, HaltLevelComplete
1const (
2 HaltLevelNone HaltLevel = "NONE" // All operations enabled.
3 HaltLevelSafeMode HaltLevel = "SAFE_MODE" // All operations enabled except withdrawals.
4 HaltLevelEmergency HaltLevel = "EMERGENCY" // Only governance and withdrawal operations enabled.
5 HaltLevelComplete HaltLevel = "COMPLETE" // All operations disabled.
6)Halt levels define different states of system operation restriction.