qbftstorage

type InstanceStore interface {
	// GetHighestInstance returns the highest instance for the given identifier.
	GetHighestInstance(identifier []byte) (*StoredInstance, error)

	// GetInstancesInRange returns historical instances in the given range.
	GetInstancesInRange(identifier []byte, from specqbft.Height, to specqbft.Height) ([]*StoredInstance, error)

	// SaveInstance updates/inserts the given instance to it's identifier's history.
	SaveInstance(instance *StoredInstance) error

	// SaveHighestInstance saves the given instance as the highest of it's identifier.
	SaveHighestInstance(instance *StoredInstance) error

	// SaveHighestAndHistoricalInstance saves the given instance as both the highest and historical.
	SaveHighestAndHistoricalInstance(instance *StoredInstance) error

	// GetInstance returns an historical instance for the given identifier and height.
	GetInstance(identifier []byte, height specqbft.Height) (*StoredInstance, error)

	// CleanAllInstances removes all historical and highest instances for the given identifier.
	CleanAllInstances(logger *zap.Logger, msgID []byte) error
}

type QBFTStore interface {
	InstanceStore
}

type StoredInstance struct {
	State          *specqbft.State
	DecidedMessage *specqbft.SignedMessage
}