choices.append(("digicash", gettext("by DigiCash/Payconiq")))

    if current_app.config["SATISPAY_ENABLED"]:

        choices.append(("satispay", gettext("by Satispay")))

    choices.extend(

        (cryptocurrency_label, " ".join((gettext("by"), cryptocurrency_label.title())))

        for cryptocurrency_label, options in current_app.config[

            "CRYPTOCURRENCIES"

        ].items()

        if options["ENABLED"]

    )

    form.payment.choices = choices

    if form.validate_on_submit():

        if form.birthday.data:

            if calculate_age(form.birthday.data) < 18:

                minor_member = True

                form.student.data = True

            else:

                minor_member = False

            price = current_app.config["SUPPORTING_FEE"]

        elif form.starving.data:

            price = 1

        else:

            price = current_app.config["REGULAR_FEE"]

        if form.starving.data:

            status = "Starving"

        elif minor_member or form.student.data:

            status = "Student"

        elif form.membership.data == "supporting":

            status = "Supporter"

        else:

            status = "Regular"

        if form.payment.data in current_app.config["CRYPTOCURRENCIES"]:

            try:

                current_conversion_r = requests.get(

                    current_app.config["CONVERSION_URL"], timeout=30

                )

                current_conversion_r.raise_for_status()

            except:

                return render_template("index.html", form=form, crypto_error=True), 503

            else: