contract CryptoHamster =
  let dnaDigits = 16
  let dnaModulus = 10^dnaDigits

  type Hamster {
    name: string,
    dna: uint
  }

  type hamsters = map(int, Hamster) // it should be some kind of an array of records. Is that right?

  /* I know that events aren't implemented yet.
  But still, how can I make a Sophia's equivalent of: event NewHamster(uint hamsterId, string name, uint dna)?
  */
  type event =

  private function create_hamster(new_name : string, new_dna : int) =
    // I need smth like this: uint id = hamsters.push(Hamster(_name, _dna)) - 1;
    let id =
    // fire an event like the following below: emit NewHamster(id, _name, _dna);

  private function generate_random_dna(str : string) =
    let rand = int(str) // Is there any method to create a hash of the string? If no, how to do it?
    rand mod dnaDigits

  public function create_random_hamster(name : string) =
    let randDna = int(generate_random_dna(name))
    create_hamster(name, randDna)