package tezos-protocol-014-PtKathma

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in-package search v0.2.0

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This module provides types and functions to manipulate nonces.

A nonce is a byte sequence of fixed length, which is supposed to be random and used only once, provided by a block producer and used to generate a random seed (see Seed_repr).

type t = Seed_repr.nonce

type nonce = t

val encoding : nonce Tezos_protocol_environment_014_PtKathma.Data_encoding.t

type unrevealed = Storage.Seed.unrevealed_nonce = {

nonce_hash : Nonce_hash.t;
delegate : Tezos_protocol_environment_014_PtKathma.Signature.Public_key_hash.t;

}

type status =

| Unrevealed of unrevealed
| Revealed of Seed_repr.nonce

val get : 
  Raw_context.t ->
  Level_repr.t ->
  status Tezos_protocol_environment_014_PtKathma.Error_monad.tzresult
    Tezos_protocol_environment_014_PtKathma.Lwt.t

type nonce_presence =

| No_nonce_expected
| Nonce_expected of status

val check : 
  Raw_context.t ->
  Level_repr.t ->
  nonce_presence Tezos_protocol_environment_014_PtKathma.Error_monad.tzresult
    Tezos_protocol_environment_014_PtKathma.Lwt.t

val record_hash : 
  Raw_context.t ->
  unrevealed ->
  Raw_context.t Tezos_protocol_environment_014_PtKathma.Error_monad.tzresult
    Tezos_protocol_environment_014_PtKathma.Lwt.t

val reveal : 
  Raw_context.t ->
  Level_repr.t ->
  nonce ->
  Raw_context.t Tezos_protocol_environment_014_PtKathma.Error_monad.tzresult
    Tezos_protocol_environment_014_PtKathma.Lwt.t

val of_bytes : 
  bytes ->
  nonce Tezos_protocol_environment_014_PtKathma.Error_monad.tzresult

val hash : nonce -> Nonce_hash.t

val check_hash : nonce -> Nonce_hash.t -> bool