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anchor-solana-twitter

Extends and refactors the v1-branch.

Changes

  • Votings are their own accounts using PDAs, instead of just updating a counter on an existing tweet

    • enables to filter votings for a user
    • less costs for sending a vote
    • the rating counter on tweets becomes obsolete, which results in slimmer tweet accounts

  • Direct messages are separate accounts instead of being a tweet

    • less cost on for dms
    • recipient on tweet account becomes obsolete

  • Comment functionality

  • Users can create aliases

  • New api syntax for tests

    • abandon deprecated .rpc in favor of .methods syntax

Running

The installation of the prerequisites to run an anchor program is nicely explained in the anchor book.

With the prerequisites out of the way, npm i installs the rest of the dependencies.

Then building and running the tests can be done with anchor test.

To use the tests while working on a frontend run the localnet with anchor localnet.
In another terminal airdrop your wallet some SOL and load the test solana airdrop 1000 <YourPhantomWalletPubKey> && anchor run test.

Tested Functionalities

❯ anchor test

tweets
  ✔ can send and update tweets
  ✔ can send a tweet without a tag
  ✔ cannot send a tweet without content
  ✔ cannot send a tweet with a tag > 50 or content > 280 characters
  ✔ cannot update a tweet without changes
  ✔ can delete own tweets
  ✔ can fetch and filter tweets

comments
  ✔ can comment and update comments
  ✔ can delete comments

votings
  ✔ can vote and update votings
  ✔ can derive tweets from votings

direct messages
  ✔ can send and update dms
  ✔ can delete dms
  ✔ can fetch and filter dms

user alias
  ✔ can create and update a user alias
  ✔ can delete a user alias

status
  ✔ can set a status message with up to 50 characters
  ✔ can delete a status message

reactions
  ✔ can react on tweets and update and delete reactions
  ✔ cannot send other then predefined reactions

Frontend Showcase

To showcase the functionalities of this app you can check out a frontend implementation using SvelteKit on https://twitter-with-ass.vercel.app/ - WIP