Registry

  id: sui::object::UID,
  current: u64,
  reward_weights_registry: sui::table::Table<u64, RewardWeights>

  public fun borrow(
      reward_weights_registry: &RewardWeightsRegistry,
      timestamp: u64
  ): &RewardWeights {
      &reward_weights_registry.reward_weights_registry[timestamp]
  }

  public fun borrow_current(
      reward_weights_registry: &RewardWeightsRegistry
  ): &RewardWeights {
      &reward_weights_registry.reward_weights_registry[reward_weights_registry.current]
  }

  public fun get_current(
      reward_weights_registry: &RewardWeightsRegistry
  ): u64 {
      reward_weights_registry.current
  }

  public fun get_length(
      reward_weights_registry: &RewardWeightsRegistry
  ): u64 {
      reward_weights_registry.reward_weights_registry.length()
  }