Module Alpha_context.Block_header

This module re-exports definitions from Block_header_repr.

type contents = {
  1. payload_hash : Block_payload_hash.t;
  2. payload_round : Round.t;
  3. seed_nonce_hash : Nonce_hash.t option;
  4. proof_of_work_nonce : bytes;
  5. per_block_votes : Per_block_votes_repr.per_block_votes;
}
type protocol_data = {
  1. contents : contents;
  2. signature : signature;
}
type block_header = t
type block_watermark =
  1. | Block_header of Mavryk_protocol_environment_alpha.Chain_id.t
module Proof_of_work : sig ... end
val raw : block_header -> raw
val max_header_length : int

The maximum size of block headers in bytes

val begin_validate_block_header : block_header:t -> chain_id:Mavryk_protocol_environment_alpha.Chain_id.t -> predecessor_timestamp:Mavryk_protocol_environment_alpha.Time.t -> predecessor_round:Round.t -> fitness:Fitness.t -> timestamp:Mavryk_protocol_environment_alpha.Time.t -> delegate_pk:public_key -> round_durations:Round.round_durations -> proof_of_work_threshold:int64 -> expected_commitment:bool -> unit Mavryk_protocol_environment_alpha.Error_monad.tzresult