Mempool (mavryk-protocol-001-PtAtLas.Mavryk_protocol_environment_001

type t

type validation_info

type conflict_handler =
  existing_operation:(Operation_hash.t * operation) ->
  new_operation:(Operation_hash.t * operation) ->
  [ `Keep | `Replace ]

type operation_conflict =

| Operation_conflict of {
1. existing : Operation_hash.t;
2. new_operation : Operation_hash.t;
}

type add_result =

| Added
| Replaced of {
1. removed : Operation_hash.t;
}
| Unchanged

type add_error =

| Validation_error of Error_monad.error Error_monad.trace
| Add_conflict of operation_conflict

type merge_error =

| Incompatible_mempool
| Merge_conflict of operation_conflict

val init : 
  Context.t ->
  Chain_id.t ->
  head_hash:Block_hash.t ->
  head:Block_header.shell_header ->
  (validation_info * t) Error_monad.tzresult Lwt.t

val encoding : t Data_encoding.t

val add_operation : 
  ?check_signature:bool ->
  ?conflict_handler:conflict_handler ->
  validation_info ->
  t ->
  (Operation_hash.t * operation) ->
  (t * add_result, add_error) Pervasives.result Lwt.t

val remove_operation : t -> Operation_hash.t -> t

val merge : 
  ?conflict_handler:conflict_handler ->
  t ->
  t ->
  (t, merge_error) Pervasives.result

val operations : t -> operation Operation_hash.Map.t