Tweet Storm DAPP - 10K$

[sirpy]

Motivation

G$ is used to incentivize participation in social media. This can be a tool to enable it to reach mass market. Anyone that wants to promote a tweet and create a tweet storm can do so in sybil resistant way and with G$

Details

Create Campaign (frontend)

• [ ] Promoter should fill campaign details
  • name
  • tweet url
  • default share text (optional)
  • via (optional) (twitter username of campaign to associate with the shared tweet)
  • comma separated hashtags
  • bounty amount
  • max number of bounties
  • start date
  • duration days
• [ ] Once submitted
  • approve max bountes*bounty amount + 10% fee to the Campaigns smart contract
  • submit campaign details to the Campaign smart contract (which should transfer the funds)

Campaign list (frontend)

• [ ] read campaigns from blockchain using multicall or thegraph
• [ ] show list of all active campaigns (did no pass end date or did not pass max bounties)
• [ ] show for campaign how many bounties were claimed already
• [ ] sort by bounty amount, allow to sort by other parameters
• [ ] allow to filter to only started
• [ ] next to the campaign there should be two buttons "tweet" ,"claim"

Participate (frontend)

• [ ] when user clicks on a "tweet" he's openend with an embed with text="default share text" + url=tweet url + via=via + hashtags=hashtags
• [ ] After user shares or presses the claim button he is then shown a box to enter the tweet url, once he submits it is sent to the to the backend /prove endpoint
  • server responds with a signedPermit if valid
  • user submits url + proof to Campagin smart contract (submitTweet(campaignid,tweetUrl, signedPermit)).
  • before sending url should be normalized

Smart contract

• [ ] addCampagin(name,tweet url, share text,via,hashtags,bounty amount, max bounties, start timestamp, duration days)
  • tries to transfer funds from msg.sender bounty amount*max bounties + 10% fee, otherwise reverts
• [ ] submitTweet(campaignid,tweetUrl, signedPermit)
  • verify signedPermit is digest (campaignid+tweetUrlHash) by campaignManager
  • verify campaign is still active (in dates + didnt pass max bounties)
  • verify msg.sender didnt already submit a tweet
  • verify tweet hash is unique and wasnt submitted
  • verify msg.sender wasnt paid already
  • verify address is whitelisted on G$ Identity contract
  • save msg.sender -> tweetUrl
  • save tweetUrlHash -> msg.sender
  • sends bounty to address and marks him as paid
  • increase claimed bounties counter for campaign
  • emit event Tweet(campaignid, msg.sender, tweetUrl)
• [ ]campaignManager - implemented using openzeppelin ownable role

backend

• [ ] should be started with the campaignManager private key
• [ ] backend should have /prove endpoint which receives a tweetUrl + campaignId
  • normalize tweetUrl
  • read campaign data from blockchain/thegraph
  • read the tweet url and verify it contains the campaign details
  • if tweet is valid return a signed permit (sign digest of tweetUrlHash (normalized)+campaignid)