var (
	ErrEmptyKey     = grpc.Errorf(codes.InvalidArgument, "etcdserver: key is not provided")
	ErrTooManyOps   = grpc.Errorf(codes.InvalidArgument, "etcdserver: too many operations in txn request")
	ErrDuplicateKey = grpc.Errorf(codes.InvalidArgument, "etcdserver: duplicate key given in txn request")
	ErrCompacted    = grpc.Errorf(codes.OutOfRange, "etcdserver: storage: required revision has been compacted")
	ErrFutureRev    = grpc.Errorf(codes.OutOfRange, "etcdserver: storage: required revision is a future revision")

	ErrLeaseNotFound = grpc.Errorf(codes.NotFound, "etcdserver: requested lease not found")
	ErrLeaseExist    = grpc.Errorf(codes.FailedPrecondition, "etcdserver: lease already exists")

	ErrMemberExist    = grpc.Errorf(codes.FailedPrecondition, "etcdserver: member ID already exist")
	ErrPeerURLExist   = grpc.Errorf(codes.FailedPrecondition, "etcdserver: Peer URLs already exists")
	ErrMemberBadURLs  = grpc.Errorf(codes.InvalidArgument, "etcdserver: given member URLs are invalid")
	ErrMemberNotFound = grpc.Errorf(codes.NotFound, "etcdserver: member not found")

	ErrRequestTooLarge = grpc.Errorf(codes.InvalidArgument, "etcdserver: request is too large")
)