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(** Tezos Shell Module - Mempool, a.k.a. the operations safe to be broadcast. *)

type t = {
  known_valid : Operation_hash.t list;
      (** A valid sequence of operations on top of the current head. *)
  pending : Operation_hash.Set.t;  (** Set of known not-invalid operation. *)
}

type mempool = t

val encoding : mempool Data_encoding.t

val bounded_encoding : ?max_operations:int -> unit -> mempool Data_encoding.t

(** Empty mempool. *)
val empty : mempool

(** Remove an operation from all the fields of a mempool. *)
val remove : Operation_hash.t -> mempool -> mempool