btcpayserver/BTCPayServer/Views/Shared/LNURL/CrowdfundLNURL.cshtml

@using BTCPayServer.Services.Stores
@using BTCPayServer.Payments.Lightning
@using BTCPayServer.Abstractions.Extensions
@model BTCPayServer.Models.AppViewModels.ViewCrowdfundViewModel
@inject BTCPayNetworkProvider BTCPayNetworkProvider
@inject StoreRepository StoreRepository
@{
    Context.Request.Query.TryGetValue("cryptocode", out var cryptoCodeValues);
    var cryptoCode = cryptoCodeValues.FirstOrDefault() ?? "BTC";

    var store = await StoreRepository.FindStore(Model.StoreId);
    var supported = store.GetSupportedPaymentMethods(BTCPayNetworkProvider).OfType<LNURLPaySupportedPaymentMethod>().FirstOrDefault(method => method.CryptoCode == cryptoCode);
    if (supported != null && !store.GetEnabledPaymentIds(BTCPayNetworkProvider).Contains(supported.PaymentId))
    {
        supported = null;
    }

    if (supported != null)
    {
        var lnurls = Model.Perks.Select(item => (item.Id, LNURL.LNURL.EncodeUri(new Uri(Context.Request.GetAbsoluteUri(Url.Action("GetLNURLForApp", "UILNURL", new
        {
            cryptoCode = supported.CryptoCode,
            appid = Model.AppId,
            ItemCode = item.Id
        }))), "payRequest", supported.UseBech32Scheme))).ToDictionary(tuple => tuple.Id, tuple => tuple.Item2);
        lnurls.Add("", LNURL.LNURL.EncodeUri(new Uri(Context.Request.GetAbsoluteUri(Url.Action("GetLNURLForApp", "UILNURL", new
        {
            cryptoCode = supported.CryptoCode,
            appid = Model.AppId,
        }))), "payRequest", supported.UseBech32Scheme));
        <script>
            window.lnurl = true;
            window.lnurlItems = @Safe.Json(lnurls);
        </script>
    }
}