btcpayserver/BTCPayServer/Extensions/UrlHelperExtensions.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using BTCPayServer.Controllers;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing;

namespace Microsoft.AspNetCore.Mvc
{
    public static class UrlHelperExtensions
    {
        public static string EmailConfirmationLink(this LinkGenerator urlHelper, string userId, string code, string scheme, HttpContext context)
        {
            return urlHelper.GetUriByAction(context, nameof(AccountController.ConfirmEmail), "Account",
                new {userId, code}, scheme);
        }

        public static string ResetPasswordCallbackLink(this IUrlHelper urlHelper, string userId, string code, string scheme)
        {
            return urlHelper.Action(
                action: nameof(AccountController.ResetPassword),
                controller: "Account",
                values: new { userId, code },
                protocol: scheme);
        }
    }
}