fromMnemonic static method
Implementation
static Future<HnsCoin> fromMnemonic(String mnemonic,
    [WalletSetting? setting]) async {
  final wallet = HnsCoin(setting: setting);
  await wallet.initFromMnemonic(mnemonic);
  return wallet;
}static Future<HnsCoin> fromMnemonic(String mnemonic,
    [WalletSetting? setting]) async {
  final wallet = HnsCoin(setting: setting);
  await wallet.initFromMnemonic(mnemonic);
  return wallet;
}