VerifyOTP.js

  VerifyOTP = code => {
    let phone_number = this.props.navigation.getParam("phone_number");
    fetch("https://api.ringcaptcha.com/xxxxxxxxxx/verify", {
      method: "POST",
      headers: {
        Accept: "application/json",
        "Content-Type": "application/json"
      },
      body: `code=${code}&phone=${phone_number}&api_key=xxxxxxxxxxx`
    })
      .then(res => {
        alert("correct thank for joining");
        this.props.navigation.navigate("MainChat", {
          username: this.props.navigation.getParam("username")
        });
      })
      .catch(err => console.log(err));
  };