onPressBtn = async () => {
    if (this.state.isRequesting) {
      return;
    }

    this.setState({ isRequesting: true });

    setTimeout(async () => {
      const phoneNumber = this.state.number;
      await generatekeys();
      try {
        const pubKey = await AsyncStorage.getItem('@EncryptStore:publicKey');

        const body = {
          Phone: phoneNumber,
          PublicKey: pubKey
        };

        const response = await request(
          `${Constants.baseUrl}Register/SendSMS`,
          body
        );
        const responseStatus = await response.status;

        if (responseStatus === 200) {
          this.props.navigation.navigate('RegTwo', { number: phoneNumber });
        }

        this.setState({ isRequesting: false });
      } catch (err) {
        this.setState({ isRequesting: false });
        LOG.log(err);
      }
    }, 1);
  };