wipe option on balance page

BTCPayServer/Plugins/BoltcardBalance/Controllers/UIBoltcardBalanceController.cs

@@ -7,6 +7,7 @@ using BTCPayServer.Client.Models;
 using BTCPayServer.Controllers;
 using BTCPayServer.Data;
 using BTCPayServer.HostedServices;
+using BTCPayServer.NTag424;
 using BTCPayServer.Plugins.BoltcardBalance.ViewModels;
 using BTCPayServer.Plugins.BoltcardFactory;
 using BTCPayServer.Services;
@@ -57,10 +58,14 @@ namespace BTCPayServer.Plugins.BoltcardBalance.Controllers
             var registration = await _dbContextFactory.GetBoltcardRegistration(issuerKey, boltData, true);
             if (registration is null)
                 return NotFound();
-            return await GetBalanceView(registration.PullPaymentId, p);
+            
+            var keys = issuerKey.CreatePullPaymentCardKey(registration.UId, registration.Version, registration.PullPaymentId).DeriveBoltcardKeys(issuerKey);
+
+            var result = await GetBalanceView(registration.PullPaymentId, p, keys);
+            return result;
         }
         [NonAction]
-        public async Task<IActionResult> GetBalanceView(string ppId, string p)
+        public async Task<IActionResult> GetBalanceView(string ppId, string p, BoltcardKeys keys)
         {
             using var ctx = _dbContextFactory.CreateContext();
             var pp = await ctx.PullPayments.FindAsync(ppId);
@@ -105,6 +110,7 @@ namespace BTCPayServer.Plugins.BoltcardBalance.Controllers
                 Status = PayoutState.Completed
             });
 
+            vm.Keys = keys;
             return View($"{BoltcardBalancePlugin.ViewsDirectory}/BalanceView.cshtml", vm);
         }
     }

BTCPayServer/Plugins/BoltcardBalance/ViewModels/BalanceViewModel.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using BTCPayServer.Client.Models;
+using BTCPayServer.NTag424;
 
 namespace BTCPayServer.Plugins.BoltcardBalance.ViewModels
 {
@@ -19,5 +20,6 @@ namespace BTCPayServer.Plugins.BoltcardBalance.ViewModels
         public string LNUrlBech32 { get; set; }
         public string LNUrlPay { get; set; }
 
+        public BoltcardKeys? Keys { get; set; }
     }
 }

BTCPayServer/Plugins/BoltcardBalance/Views/BalanceView.cshtml

@@ -1,5 +1,8 @@
 @using BTCPayServer.Plugins.BoltcardBalance.ViewModels
 @using BTCPayServer.Services
+@using Newtonsoft.Json.Linq
+@using BTCPayServer.Components.QRCode
+@using NBitcoin.DataEncoders
 @inject DisplayFormatter DisplayFormatter
 
 @model BalanceViewModel
@@ -71,3 +74,33 @@
         </div>
     </div>
 }
+
+
+@if (Model.Keys is not null && Model.AmountDue <= 0)
+{
+    var wipeContent = JObject.FromObject(new
+    {
+        version = 1,
+        action = "wipe",
+        K0 = Encoders.Hex.EncodeData(Model.Keys.AppMasterKey.ToBytes()).ToUpperInvariant(),
+        K1 = Encoders.Hex.EncodeData(Model.Keys.EncryptionKey.ToBytes()).ToUpperInvariant(),
+        K2 = Encoders.Hex.EncodeData(Model.Keys.AuthenticationKey.ToBytes()).ToUpperInvariant(),
+        K3 = Encoders.Hex.EncodeData(Model.Keys.K3.ToBytes()).ToUpperInvariant(),
+        K4 = Encoders.Hex.EncodeData(Model.Keys.K4.ToBytes()).ToUpperInvariant(),
+    }).ToString();
+    <h5 class="mb-3 mt-5">Wipe Bolt Card</h5>
+    <div class="payment-box mx-0">
+        <div class="qr-container" data-clipboard="@wipeContent">
+            @await Component.InvokeAsync("QRCode", new {data = wipeContent})
+        </div>
+        <div class="input-group mt-3">
+            <div class="form-floating">
+                <input id="Bolt-Wipe-Json" class="form-control-plaintext" readonly="readonly" value="@wipeContent">
+                <label for="Bolt-Wipe-Json">Bolt Card Wipe JSON</label>
+            </div>
+            <button type="button" class="btn btn-link" data-clipboard-target="#Bolt-Wipe-Json">
+                @await Component.InvokeAsync("Icon", new {symbol = "copy"})
+            </button>
+        </div>
+    </div>
+}

BTCPayServer/Plugins/BoltcardFactory/Views/UpdateBoltcardFactory.cshtml

@@ -16,7 +16,7 @@
     <script src="~/vendor/summernote/summernote-bs5.js" asp-append-version="true"></script>
 }
 
-<form method="post" asp-route-appId="@Context.GetRouteValue("appId")" asp-action="UpdateBoltcardFactory">
+<form method="post" asp-route-appId="@Context.GetRouteValue("appId")"  asp-controller="UIBoltcardFactory" asp-action="UpdateBoltcardFactory">
     <div class="sticky-header d-flex align-items-center justify-content-between">
         <h2 class="mb-0">@ViewData["Title"]</h2>
 		<div class="d-flex gap-3 mt-3 mt-sm-0">

BTCPayServer/Plugins/BoltcardTopUp/Controllers/UIBoltcardTopUpController.cs

@@ -201,7 +201,7 @@ namespace BTCPayServer.Plugins.BoltcardTopUp.Controllers
             await ctx.Payouts.AddAsync(payout);
             await ctx.SaveChangesAsync();
             _boltcardBalanceController.ViewData["NoCancelWizard"] = true;
-            return await _boltcardBalanceController.GetBalanceView(registration.PullPaymentId, p);
+            return await _boltcardBalanceController.GetBalanceView(registration.PullPaymentId, p, null);
         }
      }
 }