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Please explain CryptoNight spec #2

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Vanzent opened this issue Dec 21, 2017 · 1 comment
Open

Please explain CryptoNight spec #2

Vanzent opened this issue Dec 21, 2017 · 1 comment

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@Vanzent
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Vanzent commented Dec 21, 2017 •
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IV. Real world scenario  
  -----------------------
   
  NiceHash server sends following job to miner:
   
  {"jsonrpc":"2.0","method":"job","params":{"blob":
  "0100f2fbf1ae05e778512836d3268c95b53004002f8bf0b4e591dd6c903e3620
  12b60a6eaf64cc0000003026f3436334364896a4dce0864798a16a137b9b5dc47
  a39f00a3a75077e8f14d102","job_id":"333972526853904",
  "target":"711b0d00"}}
   
  In this case; inside blob, 4 bytes of "00000000" are replaced with
  "000000030" by NiceHash. NiceHash gives miner byte "03".
   
  Miner sends found share:
   
  {"method": "submit", "params": {"id": "843393400195054", "job_id":
  "333972526853904", "nonce": "95565503", "result":
  "1b3f259aafb85c553198c2ad92392e816a8c030ac84305b89c932c8723bd0800"},
  "id":4}
   
  Nonce ends with byte "03" which is correct. Any other last byte
  of nonce would cause share above target.

I not understand. Why in json 4 bytes is 00 00 00 30. Next you wrote 00 00 00 030. 030? Where you take that? In first json nicehash byte is 30, not 03. Pleas explain.
@Vanzent Vanzent changed the title please explain xmr spec please explain CryptoNight spec Dec 21, 2017
@Vanzent Vanzent changed the title please explain CryptoNight spec Please explain CryptoNight spec Dec 21, 2017
@Kukunin
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Kukunin commented Jan 9, 2018

It's not clear to me as well.

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@Kukunin @Vanzent