func generateAddrs(c *gcli.Context) error {
// get number of address that are need to be generated.
num := c.Uint("n")
if num == 0 {
return errors.New("-n must > 0")
}
jsonFmt := c.Bool("json")
w := c.String("f")
if !strings.HasSuffix(w, walletExt) {
return errWalletName
}
// only wallet file name, no path.
if filepath.Base(w) == w {
w = filepath.Join(cfg.WalletDir, w)
}
wlt, err := wallet.Load(w)
if err != nil {
errorWithHelp(c, err)
return nil
}
addrs := wlt.GenerateAddresses(int(num))
dir, err := filepath.Abs(filepath.Dir(w))
if err != nil {
return err
}
if err := wlt.Save(dir); err != nil {
return errors.New("save wallet failed")
}
s, err := addrResult(addrs, jsonFmt)
if err != nil {
return err
}
fmt.Println(s)
return nil
}