Posts

  posts: sui::table::Table<u64, address>

  public fun add(
      posts: &mut Posts,
      post_timestamp: u64,
      post_address: address
  ) {
      posts.posts.add(
          post_timestamp, 
          post_address
      );
  }

  public fun create(
      ctx: &mut TxContext
  ): Posts {
      Posts {
          posts: table::new(ctx)
      }
  }

  public fun get_length(
      posts: &Posts
  ): u64 {
      posts.posts.length()
  }

  public fun has_record(
      posts: &Posts,
      post_timestamp: u64
  ): bool {
      posts.posts.contains(post_timestamp)
  }