struct NftClosedMinterState {
  bytes nftScript;
  int quotaMaxLocalId;
  int nextLocalId;
}

library NftClosedMinterProto {
  static function stateHash(NftClosedMinterState _state) : bytes {
    return hash160(_state.nftScript + pack(_state.quotaMaxLocalId) + pack(_state.nextLocalId));
  }
}