quasar

type FinalityEvent struct {
	Height     uint64
	BlockID    ids.ID
	Validators []ValidatorState
	Timestamp  time.Time
}

type PChainProvider interface {
	GetFinalizedHeight() uint64
	GetValidators(height uint64) ([]ValidatorState, error)
	SubscribeFinality() <-chan FinalityEvent
}

type QuantumFinality struct {
	BlockID         ids.ID
	PChainHeight    uint64
	QChainHeight    uint64
	BLSProof        []byte       // Aggregated BLS signature (96 bytes)
	RingtailProof   []byte       // Serialized Ringtail threshold signature
	SignerBitset    []byte       // Which validators signed BLS
	RingtailSigners []ids.NodeID // Which validators participated in Ringtail
	TotalWeight     uint64
	SignerWeight    uint64
	BLSLatency      time.Duration
	RingtailLatency time.Duration
	Timestamp       time.Time
}

type QuantumSignerFallback interface {
	SignMessage(msg []byte) ([]byte, error)
}

type Quasar struct {
	// contains filtered or unexported fields
}

type QuasarStats struct {
	PChainHeight      uint64
	QChainHeight      uint64
	FinalizedBlocks   int
	Threshold         int
	QuorumNum         uint64
	QuorumDen         uint64
	Running           bool
	RingtailParties   int
	RingtailThreshold int
	RingtailReady     bool
}

type RingtailConfig struct {
	NumParties int // Total number of parties (validators)
	Threshold  int // Minimum signers required (typically 2/3 + 1)
}

type RingtailCoordinator struct {

	// Public parameters (shared by all parties)
	A structs.Matrix[ring.Poly]
	B structs.Vector[ring.Poly]
	// contains filtered or unexported fields
}

type RingtailParty struct {
	ID      int
	Party   *sign.Party
	SkShare structs.Vector[ring.Poly]
	Seeds   map[int][][]byte
	MACKeys map[int][]byte
	Lambda  ring.Poly // Lagrange coefficient
}

type RingtailRound1Result struct {
	PartyID int
	NodeID  ids.NodeID
	D       structs.Matrix[ring.Poly]
	MACs    map[int][]byte
}

type RingtailSignature struct {
	C       ring.Poly
	Z       structs.Vector[ring.Poly]
	Delta   structs.Vector[ring.Poly]
	Signers []ids.NodeID
}

type RingtailStats struct {
	NumParties    int
	Threshold     int
	SessionID     int
	Initialized   bool
	ActiveParties int
}

type ValidatorState struct {
	NodeID      ids.NodeID
	Weight      uint64
	BLSPubKey   []byte // BLS public key for aggregate signatures
	RingtailKey []byte // Ringtail public key share for threshold sigs
	Active      bool
}