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Discover
This document describes the Discover feature of Status. Ethereum is its community, and with Discover we want to connect other Ethereum users with other Ethereum users - to trade and exchange ideas. Ultimately this will reduce transaction costs and increase the utility of ETH.
Discover is done through a users Status (hence the application name). This status is a 140 char sub-headline to a users profile which can be seen on my profile, user profile and discover screens.
A status is private and not shared with anyone except their immediate contacts, unless a #hashtag is introduced. These #hashtags are locally searchable on the discover screen.
The Discover application protocol is built ontop of Whisper, possibly utilising our messaging protocol and is implemented in status-im/status-lib
Periodically the client should request from it's contacts, a package of statuses that is an aggregate compilation of discoverable statuses (created using the specifications below), this package should contain no more than 100-500 statuses and the period in which the client requests the package is after when the user is back online and/or after waiting X hours has elapsed. Whisper penalizes larger payloads so we may have to chunk this. 140chars × 4bytes (utf-8) × 100 contacts = 54kb
The 100 contacts the user decides to return is weighted by;
- the newest available information (latest status from that user),
- the most seen contact statuses by other contacts. (that user who has seen the same contact status from all his contacts)
- and actual interactions with contacts, favor contacts that the user has actually messaged themselves.
- if contact is online
The Discover screen then takes this aggregate search space
100-500 statuses × users in contact list and organise them by #hashtags, the hashtags that have more than X contacts are put into the carousel under that #hastag category.
Below it the statuses are listed by most recent.
On tapping one of these messages a chat session is attempted with that user.
Each user should cache no more than 1000 statuses