syntax = "proto3";

package ethereum.messages.v1;

import "google/protobuf/timestamp.proto";

enum Topic {
  UNKNOWN = 0;
  COLLATION_BODY_REQUEST = 1;
  COLLATION_BODY_RESPONSE = 2;
  TRANSACTIONS = 3;
  BEACON_BLOCK_HASH_ANNOUNCE = 4;
  BEACON_BLOCK_REQUEST = 5;
  BEACON_BLOCK_RESPONSE = 6;
} 

message BeaconBlockHashAnnounce {
  bytes hash = 1;
}

message BeaconBlockRequest {
  bytes hash = 1;
}

message BeaconBlockResponse {
  bytes parent_hash = 1;
  uint64 slot_number = 2;
  bytes randao_reveal = 3;
  bytes attestation_bitmask = 4;
  repeated uint32 attestation_aggregate_sig = 5;
  repeated AggregateVote shard_aggregate_votes = 6;
  bytes main_chain_ref = 7;
  bytes active_state_hash = 8;
  bytes crystallized_state_hash = 9;
  google.protobuf.Timestamp timestamp = 10;
}

message AggregateVote {
  uint32 shard_id = 1;
  bytes shard_block_hash = 2;
  bytes signer_bitmask = 3;
  repeated uint32 aggregate_sig = 4;
}

message CollationBodyRequest {
  uint64 shard_id = 1;
  uint64 period = 2;
  bytes chunk_root = 3;
  bytes proposer_address = 4;
  bytes signature = 5;
}

message CollationBodyResponse {
  bytes header_hash = 1;
  bytes body = 2;
}

message Transaction {
  uint64 nonce = 1;
  uint64 gas_price = 2;
  uint64 gas_limit = 3;
  bytes recipient = 4;
  uint64 value = 5;
  bytes input = 6;
  Signature signature = 7;
}

message Signature {
  uint64 v = 1;
  uint64 r = 2;
  uint64 s = 3;
}