syntax = "proto3";

package ethereum.beacon.p2p.v1;

import "proto/beacon/p2p/v1/types.proto";

enum Topic {
  UNKNOWN = 0;
  BEACON_BLOCK_ANNOUNCE = 1;
  BEACON_BLOCK_REQUEST = 2;
  BEACON_BLOCK_REQUEST_BY_SLOT_NUMBER = 3;
  BEACON_BLOCK_RESPONSE = 4;
  BATCHED_BEACON_BLOCK_REQUEST = 5;
  BATCHED_BEACON_BLOCK_RESPONSE = 6;
  CHAIN_HEAD_REQUEST = 7;
  CHAIN_HEAD_RESPONSE = 8;
  BEACON_STATE_HASH_ANNOUNCE = 9;
  BEACON_STATE_REQUEST = 10;
  BEACON_STATE_RESPONSE = 11;
}

message BeaconBlockAnnounce {
  bytes hash = 1;
  uint64 slot_number = 2;
}

message BeaconBlockRequest {
  bytes hash = 1;
}

message BeaconBlockRequestBySlotNumber{
  uint64 slot_number = 1;
}

message BeaconBlockResponse {
  BeaconBlock block = 1;
  Attestation attestation = 2;
}

message BatchedBeaconBlockRequest {
  uint64 start_slot = 1;
  uint64 end_slot =2;
}
 
message BatchedBeaconBlockResponse {
  repeated BeaconBlock batched_blocks = 1;
}

message ChainHeadRequest {}

message ChainHeadResponse {
  bytes hash = 1;
  uint64 slot = 2;
  BeaconBlock block = 3;
}

message BeaconStateHashAnnounce {
  bytes hash = 1;
}

message BeaconStateRequest {
  bytes hash = 1;
}

message BeaconStateResponse {
  BeaconState beacon_state = 1;
}