package tezos-dal-node-lib

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in-package search v0.2.0

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module Types = Tezos_dal_node_services.Types

This module defines the data structures used to instantiate the Octez P2P library. More exactly, it exposes:

the types p2p_message, peer_metadata and connection_metadata, used to instantiate type variables of P2p.t;

the values peer_metadata_cfg of type P2p_params.peer_meta_config, conn_metadata_cfg of type P2p_params.conn_meta_config and message_cfg of type P2p_params.message_config that are used when calling P2p.create.

type px_peer = {

point : Tezos_base.TzPervasives.P2p_point.Id.t;
peer : Tezos_base.TzPervasives.P2p_peer.Id.t;

}

Peers exchanged via PX. point represents the (address, port) pair of the exchanged peer, while peer represents the cryptographic identity of the peer.

type p2p_message =

| Graft of {
1. topic : Types.Topic.t;
}
| Prune of {
1. topic : Types.Topic.t;
2. px : px_peer Tezos_base.TzPervasives.Seq.t;
3. backoff : Types.Span.t;
}
| IHave of {
1. topic : Types.Topic.t;
2. message_ids : Types.Message_id.t list;
}
| IWant of {
1. message_ids : Types.Message_id.t list;
}
| Subscribe of {
1. topic : Types.Topic.t;
}
| Unsubscribe of {
1. topic : Types.Topic.t;
}
| Message_with_header of {
1. message : Types.Message.t;
2. topic : Types.Topic.t;
3. message_id : Types.Message_id.t;
}

Without piggybacking, p2p_message is almost identical to Gs_interface.p2p_message, except that for the Prune case, P2p_peer.Id.t elements in px are augmented by their P2p_point.Id.t counterpart.

val p2p_message_encoding : p2p_message Tezos_base.TzPervasives.Data_encoding.t

val pp_p2p_message : Format.formatter -> p2p_message -> unit

val message_config : 
  network_name:string ->
  p2p_message Tezos_base.TzPervasives.P2p_params.message_config

A P2P message config is parameterized by the network's name.

val version : network_name:string -> Tezos_base.TzPervasives.Network_version.t