syntax = "proto3";

package p2p.pb;

message HeaderRequest {
  oneof data {
    uint64 origin = 1;
    bytes hash = 2;
  }
  uint64 amount = 3;
}

enum StatusCode {
  INVALID = 0;
  OK = 1;
  NOT_FOUND = 2;
};

message HeaderResponse {
  bytes body = 1;
  StatusCode statusCode = 2;
}