Create featuring.md

status/28/featuring.md

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+---
+slug: 28
+title: 28/STATUS-FEATURING
+name: Status community featuring using waku v2
+status: raw
+tags: waku-application
+description: To gain new members, current SNT holders can vote to feature an active Status community to the larger Status audience.
+editor: Szymon Szlachtowicz <szymon.s@ethworks.io>
+---
+
+# Abstract
+This specification describes a voting method to feature different active Status Communities.
+
+# Overview
+
+When there is a active community that is seeking new members, current users of community should be able to feature their community so that it will be accessible to larger audience.
+Status community curation DApp should provide such a tool.
+
+Rules of featuring:
+    - Given community can't be featured twice in a row.
+    - Only one vote per user per community (single user can vote on multiple communities)
+    - Voting will be done off-chain
+    - If community hasn't been featured votes for given community are still valid for the next 4 weeks
+
+Since voting for featuring is similar to polling solutions proposed in this spec could be also used for different applications.
+
+# Voting
+
+Voting for featuring will be done through waku v2. 
+
+Payload of waku message will be :
+```ts
+type FeatureVote = {
+    voter: string // address of a voter
+    sntAmount: BigNumber // amount of snt voted on featuring
+    communityPK: string // public key of community
+    timestamp: number // timestamp of message, must match timestamp of wakuMessage
+    sign: string // cryptographic signature of a transaction (signed fields: voterAddress,sntAmount,communityPK,timestamp)
+}
+```
+
+timestamp is necessary so that votes can't be reused after 4 week period
+
+# Counting Votes
+
+Votes will be counted by the DApp itself.
+DApp will aggregate all the votes in the last 4 weeks and calculate which communities should be displayed in the Featured tab of DApp.
+
+Rules of counting:
+    - When multiple votes from the same address on the same community are encountered only the vote with highest timestamp is considered valid.
+    - If a community has been featured in a previous week it can't be featured in current week.
+    - In a current week top 5 (or 10) communities with highest amount of SNT votes up to previous Sunday 23:59:59 UTC are considered featured.
+
+# Copyright
+
+Copyright and related rights waived via
+[CC0](https://creativecommons.org/publicdomain/zero/1.0/).