How to set it ?
I have put -k http://eu-bbr.luckypool.io/scratchpad.bin to Extra arguments for miner: but it not help !!!
[2018-08-26 02:59:10] Using JSON-RPC 2.0
[2018-08-26 02:59:10] Scratchpad file /root/.cache/boolberry/scratchpad.bin
[2018-08-26 02:59:10] Scratchpad URL not set. Please specify correct scratchpad
url by -k or --scratchpad option