HD Wallet key Generation

HD Wallet key Generation

Example to generate HD wallet child key in golang.

 package main  
 import (  
  "github.com/tyler-smith/go-bip32"  
  "log"  
  "github.com/btcsuite/btcutil/base58"  
 )  
 func main(){  
      // root key  
      rootKey := "xpub661MyMwAqRbcFPUpZvj3QydNRASDRHEZ1TyvTkhDTAPqytQLx7j8XWFEsnArLx9rbfHTCcCUfp6K75qcAqkp83ASXnCpiXWT5M6Hcc92wSV"   
     decoded := base58.Decode(rootKey)  
     masterKey, _ := bip32.Deserialize([]byte(decoded))  
      /*       
           (m)  
         / | \  
        /  |  \  
      m/0 m/1 m/2 ...  
     .  .  .  
     */  
    childKey, _ := masterKey.NewChildKey(2) // m/2  
    log.Println("child key: \n", childKey)       
 }