package blockchain import "github.com/pkg/errors" var ( // errNilJustifiedInStore is returned when a nil justified checkpt is returned from store. errNilJustifiedInStore = errors.New("nil justified checkpoint returned from store") // errNilBestJustifiedInStore is returned when a nil justified checkpt is returned from store. errNilBestJustifiedInStore = errors.New("nil best justified checkpoint returned from store") // errNilFinalizedInStore is returned when a nil finalized checkpt is returned from store. errNilFinalizedInStore = errors.New("nil finalized checkpoint returned from store") )