Registry

  id: sui::object::UID,
  registry: sui::table::Table<address, address>

  id: sui::object::UID,
  app: address,
  registry: sui::table::Table<std::string::String, address>

  public fun assert_app_channel_registry_match(
      channel_registry: &ChannelRegistry,
      app_address: address
  ) {
      assert!(app_address == channel_registry.app, EAppChannelRegistryMismatch);
  }

  public fun borrow_channel_address(
      channel_registry: &ChannelRegistry,
      channel_key: String
  ): address {
      *channel_registry.registry.borrow(channel_key)
  }

  public fun borrow_channel_registry_address(
      app_channel_registry: &AppChannelRegistry,
      app_address: address
  ): address {
      *app_channel_registry.registry.borrow(app_address)
  }

  public fun has_record(
      channel_registry: &ChannelRegistry,
      channel_key: String
  ): bool {
      channel_registry.registry.contains(channel_key)
  }

  public fun has_channel_registry(
      app_channel_registry: &AppChannelRegistry,
      app_address: address
  ): bool {
      app_channel_registry.registry.contains(app_address)
  }