Dal_helpers (octez-protocol-alpha-libs.Tezos_alpha_test_helpers.Dal

val mk_cryptobox : 
  Tezos_crypto_dal.Cryptobox.parameters ->
  Tezos_crypto_dal.Cryptobox.t Tezos_base.TzPervasives.tzresult Lwt.t

Returns an object of type Cryptobox.t from the given DAL paramters.

val derive_dal_parameters : 
  Tezos_crypto_dal.Cryptobox.parameters ->
  redundancy_factor:int ->
  constants_divider:int ->
  Tezos_crypto_dal.Cryptobox.parameters

Derive new DAL parameters from the given ones by:

setting the given redundancy factor ;
dividing the other fields by the given factor.

val content_slot_id : 
  Tezos_protocol_alpha.Protocol.Dal_slot_repr.History.cell_content ->
  Tezos_protocol_alpha.Protocol.Dal_slot_repr.Header.id

Returns the slot id of the given cell's content .

val dal_attestation : 
  Tezos_protocol_alpha.Protocol.Alpha_context.Dal.Slot_index.t list ->
  Tezos_protocol_alpha.Protocol.Alpha_context.Dal.Attestation.t

Builds a DAL attestation bitset containing the provided slot indexes.

val has_assigned_shards : 
  Context.t ->
  ?level:Tezos_protocol_alpha.Protocol.Alpha_context.Raw_level.t ->
  Tezos_protocol_alpha.Protocol.Alpha_context.public_key_hash ->
  bool Tezos_base.TzPervasives.tzresult Lwt.t

Returns true iff the given delegate has at least one assigned shard at the given level.

module Make (P : sig ... end) : sig ... end

Some global constants.

val dal_content_of_int : 
  loc:string ->
  int ->
  Tezos_protocol_alpha.Protocol.Alpha_context.dal_content

Builds a Alpha_context.dal_content from its integer representation, that is, the sum of powers of two of the indexes of attested slots.

Raises an exception when the given argument is negative.

val dal_content_of_int_list : 
  ?number_of_slots:int ->
  int list ->
  Tezos_protocol_alpha.Protocol.Alpha_context.dal_content

Builds a Alpha_context.dal_content from a list of attested slots.

parameter [number_of_slots]
defaults to Default_parameters.constants_test.dal.number_of_slots.
Fails when any of the attested slots is negative or greater than or equal to number_of_slots.

val various_dal_contents : 
  Tezos_protocol_alpha.Protocol.Alpha_context.dal_content option list

A list of varied dal_content options, for tests where we want to build attestations with different dal contents.

val committee_with_various_dal_contents : 
  'a list ->
  ('a * Tezos_protocol_alpha.Protocol.Alpha_context.dal_content option) list

Transform a list of committee members into a list of (member, dal) where dal is picked successively from various_dal_contents (going back to the beginning of various_dal_contents if it is shorter than the provided committee.

Depending on when this function is called, 'a may be e.g. the Signature.public_key_hash of delegates or their consensus key, or Op.attesting_slot.