cache

var (
	// CommitteeCacheMiss tracks the number of committee requests that aren't present in the cache.
	CommitteeCacheMiss = promauto.NewCounter(prometheus.CounterOpts{
		Name: "committee_cache_miss",
		Help: "The number of committee requests that aren't present in the cache.",
	})
	// CommitteeCacheHit tracks the number of committee requests that are in the cache.
	CommitteeCacheHit = promauto.NewCounter(prometheus.CounterOpts{
		Name: "committee_cache_hit",
		Help: "The number of committee requests that are present in the cache.",
	})
)

var (
	// ErrNilValueProvided for when we try to put a nil value in a cache.
	ErrNilValueProvided = errors.New("nil value provided on Put()")
	// ErrIncorrectType for when the state is of the incorrect type.
	ErrIncorrectType = errors.New("incorrect state type provided")
	// ErrNotFound for cache fetches that return a nil value.
	ErrNotFound = errors.New("not found in cache")
	// ErrNonExistingSyncCommitteeKey when sync committee key (root) does not exist in cache.
	ErrNonExistingSyncCommitteeKey = errors.New("does not exist sync committee key")

	// ErrNotFoundRegistration when validator registration does not exist in cache.
	ErrNotFoundRegistration = errors.Wrap(ErrNotFound, "no validator registered")
)

var (

	// ProposerIndicesCacheMiss tracks the number of proposerIndices requests that aren't present in the cache.
	ProposerIndicesCacheMiss = promauto.NewCounter(prometheus.CounterOpts{
		Name: "proposer_indices_cache_miss",
		Help: "The number of proposer indices requests that aren't present in the cache.",
	})
	// ProposerIndicesCacheHit tracks the number of proposerIndices requests that are in the cache.
	ProposerIndicesCacheHit = promauto.NewCounter(prometheus.CounterOpts{
		Name: "proposer_indices_cache_hit",
		Help: "The number of proposer indices requests that are present in the cache.",
	})
)

var (

	// SyncCommitteeCacheMiss tracks the number of committee requests that aren't present in the cache.
	SyncCommitteeCacheMiss = promauto.NewCounter(prometheus.CounterOpts{
		Name: "sync_committee_index_cache_miss_total",
		Help: "The number of committee requests that aren't present in the sync committee index cache.",
	})
	// SyncCommitteeCacheHit tracks the number of committee requests that are in the cache.
	SyncCommitteeCacheHit = promauto.NewCounter(prometheus.CounterOpts{
		Name: "sync_committee_index_cache_hit_total",
		Help: "The number of committee requests that are present in the sync committee index cache.",
	})
)

var ErrAlreadyInProgress = errors.New("already in progress")

var ErrNotCommittee = errors.New("object is not a committee struct")

var ErrNotProposerIndices = errors.New("object is not a proposer indices struct")

var SubnetIDs = newSubnetIDs()

var SyncSubnetIDs = newSyncSubnetIDs()