Bird Feed

Overview

Bird Feed is a Cosmos SDK module that allows users to create and manage their own bird feeders. It is a simple implementation of Twitter.

Note: This module is not production ready and is only for learning purposes.

Features

• Create a user
• Follow other users
• Publish posts
• Like posts
• Comment on posts
• Search for users, posts, comments

Collections Overview

The BirdFeed module uses several collections to store and manage social media data:

Core Collections

• Params: Stores global module parameters

  • Type: collections.Item
  • Single instance storage, no key required

• Users: Stores user profile information

  • Type: collections.Map[string, birdFeed.User]
  • Key: User address (string)

Relationship Collections

• Followers: Tracks who follows whom

  • Type: collections.KeySet[collections.Pair[string, string]]
  • Key Pair: [follower_address, followed_address]
  • Represents: "follower_address follows followed_address"

• Follows: Inverse index of followers relationship

  • Type: collections.KeySet[collections.Pair[string, string]]
  • Key Pair: [followed_address, follower_address]
  • Represents: "followed_address is followed by follower_address"
  • Enables efficient querying of a user's followers

Content Collections

• Tweets: Stores tweet content

  • Type: collections.Map[string, birdFeed.Tweet]
  • Key: Tweet ID (string)

• AuthorTweets: Links authors to their tweets

  • Type: collections.KeySet[collections.Pair[string, string]]
  • Key Pair: [author_address, tweet_id]
  • Enables efficient querying of tweets by author

• Likes: Tracks tweet likes

  • Type: collections.KeySet[collections.Pair[string, string]]
  • Key Pair: [user_address, tweet_id]
  • Represents: "user_address liked tweet_id"

• Comments: Stores comment relationships

  • Type: collections.KeySet[collections.Triple[string, string, string]]
  • Key Triple: [tweet_id, user_address, comment_id]
  • Represents: "user_address commented on tweet_id with comment_id"