/* *计算挖矿difficulty */ func CalculateDifficulty(strTargetHash string) string { strGeniusBlockHash := "00000000ffff0000000000000000000000000000000000000000000000000000" // 创世块编号 var biGeniusHash big.Int var biTargetHash big.Int biGeniusHash.SetString(strGeniusBlockHash, 16) biTargetHash.SetString(strTargetHash, 16) difficulty := big.NewInt(0) difficulty.Div(&biGeniusHash, &biTargetHash) //fmt.Printf("%T \n" , difficulty) return fmt.Sprintf("%s", difficulty) }
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Head First Rails
David Griffiths / O'Reilly Media / 2008-12-30 / USD 49.99
Figure its about time that you hop on the Ruby on Rails bandwagon? You've heard that it'll increase your productivity exponentially, and allow you to created full fledged web applications with minimal......一起来看看 《Head First Rails》 这本书的介绍吧!