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eligible.go
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eligible.go
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package effective
// Eligibility represents ability to participate in EPoS auction
// that occurs just once an epoch on beaconchain
type Eligibility byte
const (
// Nil is a default state that represents a no-op
Nil Eligibility = iota
// Active means allowed in epos auction
Active
// 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
Inactive
// Banned records whether this validator is banned
// from the network because they double-signed
// it can never be undone
Banned
)
func (e Eligibility) String() string {
switch e {
case Active:
return "active"
case Inactive:
return "inactive"
case Banned:
return doubleSigningBanned
default:
return "unknown"
}
}
// 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
type Candidacy byte
const (
// Unknown ..
Unknown Candidacy = iota
// ForeverBanned ..
ForeverBanned
// Candidate ..
Candidate = iota
// NotCandidate ..
NotCandidate
// Elected ..
Elected
)
const (
doubleSigningBanned = "banned forever from network because was caught double-signing"
)
func (c Candidacy) String() string {
switch c {
case ForeverBanned:
return doubleSigningBanned
case Candidate:
return "eligible to be elected next epoch"
case NotCandidate:
return "not eligible to be elected next epoch"
case Elected:
return "currently elected"
default:
return "unknown"
}
}
// ValidatorStatus ..
func ValidatorStatus(currentlyInCommittee bool, status Eligibility) Candidacy {
switch {
case status == Banned:
return ForeverBanned
case currentlyInCommittee:
return Elected
case !currentlyInCommittee && status == Active:
return Candidate
case !currentlyInCommittee && status != Active:
return NotCandidate
default:
return Unknown
}
}
// BootedStatus ..
type BootedStatus byte
const (
// Booted ..
Booted BootedStatus = iota
// NotBooted ..
NotBooted
// LostEPoSAuction ..
LostEPoSAuction
// TurnedInactiveOrInsufficientUptime ..
TurnedInactiveOrInsufficientUptime
// BannedForDoubleSigning ..
BannedForDoubleSigning
)
func (r BootedStatus) String() string {
switch r {
case Booted:
return "booted"
case LostEPoSAuction:
return "lost epos auction"
case TurnedInactiveOrInsufficientUptime:
return "manually turned inactive or insufficient uptime"
case BannedForDoubleSigning:
return doubleSigningBanned
default:
return "not booted"
}
}