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Warden

Rubbergoddess checks attachments sent to defined channels. If there is a match with post in database, an warning embed is sent with link and percentage of similarity.

We are using dhash to compute image hashes.

ACL commands

scan history (limit)

Limit is an integer, pass negative value for all messages.

This command scans messages in current channel and adds their hashes to database.

Performance

This was tested on VUT FIT server in june 2020.

• Command ?scan history 70900 was invoked at 12:22:32.
• Scanning started at 12:25:41.
• Scanning completed in 11 812 seconds (3:16:52, at 15:41:33) after scanning 21 375 hashes.
• Stats: 226MB RAM, 10 % CPU on their SU server.

scan compare (message 1) (message 2) … (message n)

See hashes in messages.

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