Receipt: Add payment proof (#4782)

* Receipt: Add payment proof

Closes #4685.

* shice

* Add truncate-center component

* Improve view

* Hide button and link when printed

* Describe component

* Remove transaction ID from UI

* Remove modification to interface

---------

Co-authored-by: nicolas.dorier <nicolas.dorier@gmail.com>

BTCPayServer/Components/TruncateCenter/Default.cshtml

@@ -0,0 +1,17 @@
+@model BTCPayServer.Components.TruncateCenter.TruncateCenterViewModel
+<span class="truncate-center @Model.Classes">
+    <span class="truncate-center-truncated" @(Model.Truncated != Model.Text ? $"data-bs-toggle=tooltip title={Model.Text}" : "")>@Model.Truncated</span>
+    <span class="truncate-center-text">@Model.Text</span>
+    @if (Model.Copy)
+    {
+        <button type="button" class="btn btn-link p-0" data-clipboard="@Model.Text">
+            <vc:icon symbol="copy" />
+        </button>
+    }
+    @if (!string.IsNullOrEmpty(Model.Link))
+    {
+        <a href="@Model.Link" rel="noreferrer noopener" target="_blank">
+            <vc:icon symbol="info" />
+        </a>
+    }
+</span>

BTCPayServer/Components/TruncateCenter/TruncateCenter.cs

@@ -0,0 +1,29 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace BTCPayServer.Components.TruncateCenter;
+
+/// <summary>
+/// Truncates long strings in the center with ellipsis: Turns e.g. a BOLT11 into "lnbcrt7…q2ns60y"
+/// </summary>
+/// <param name="text">The full text, e.g. a Bitcoin address or BOLT11</param>
+/// <param name="link">Optional link, e.g. a block explorer URL</param>
+/// <param name="classes">Optional additional CSS classes</param>
+/// <param name="padding">The number of characters to show on each side</param>
+/// <param name="copy">Display a copy button</param>
+/// <returns>HTML with truncated string</returns>
+public class TruncateCenter : ViewComponent
+{
+    public IViewComponentResult Invoke(string text, string link = null, string classes = null, int padding = 7, bool copy = true)
+    {
+        var vm = new TruncateCenterViewModel
+        {
+            Classes = classes,
+            Padding = padding,
+            Copy = copy,
+            Text = text,
+            Link = link,
+            Truncated = text.Length > 2 * padding ? $"{text[..padding]}…{text[^padding..]}" : text
+        };
+        return View(vm);
+    }
+}

BTCPayServer/Components/TruncateCenter/TruncateCenterViewModel.cs

@@ -0,0 +1,12 @@
+namespace BTCPayServer.Components.TruncateCenter
+{
+    public class TruncateCenterViewModel
+    {
+        public string Text { get; set; }
+        public string Truncated { get; set; }
+        public string Classes { get; set; }
+        public string Link { get; set; }
+        public int Padding { get; set; }
+        public bool Copy { get; set; }
+    }
+}

BTCPayServer/Controllers/UIInvoiceController.UI.cs

@@ -19,6 +19,7 @@ using BTCPayServer.Models;
 using BTCPayServer.Models.InvoicingModels;
 using BTCPayServer.Models.PaymentRequestViewModels;
 using BTCPayServer.Payments;
+using BTCPayServer.Payments.Bitcoin;
 using BTCPayServer.Rating;
 using BTCPayServer.Services;
 using BTCPayServer.Services.Apps;
@@ -235,7 +236,9 @@ namespace BTCPayServer.Controllers
                         PaymentMethod = paymentMethodId.ToPrettyString(),
                         Link = link,
                         Id = txId,
-                        Destination = paymentData.GetDestination()
+                        Destination = paymentData.GetDestination(),
+                        PaymentProof = GetPaymentProof(paymentData),
+                        PaymentType = paymentData.GetPaymentType()
                     };
                 })
                 .Where(payment => payment != null)
@@ -247,6 +250,17 @@ namespace BTCPayServer.Controllers
 
             return View(vm);
         }
+
+        private string? GetPaymentProof(CryptoPaymentData paymentData)
+        {
+            return paymentData switch
+            {
+                BitcoinLikePaymentData b => b.Outpoint.ToString(),
+                LightningPaymentData l => l.Preimage,
+                _ => null
+            };
+        }
+
         private string? GetTransactionLink(PaymentMethodId paymentMethodId, string txId)
         {
             var network = _NetworkProvider.GetNetwork(paymentMethodId.CryptoCode);

BTCPayServer/Models/PaymentRequestViewModels/ListPaymentRequestsViewModel.cs

@@ -4,6 +4,7 @@ using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using BTCPayServer.Client.Models;
 using BTCPayServer.Data;
+using BTCPayServer.Payments;
 using BTCPayServer.Services.Invoices;
 using BTCPayServer.Services.Rates;
 using BTCPayServer.Validation;
@@ -208,6 +209,8 @@ namespace BTCPayServer.Models.PaymentRequestViewModels
             public string Link { get; set; }
             public string Id { get; set; }
             public string Destination { get; set; }
+            public string PaymentProof { get; set; }
+            public PaymentType PaymentType { get; set; }
         }
     }
 }

BTCPayServer/Views/UIInvoice/InvoiceReceipt.cshtml

@@ -5,6 +5,7 @@
 @using BTCPayServer.Services
 @using Microsoft.AspNetCore.Mvc.TagHelpers
 @using BTCPayServer.Abstractions.TagHelpers
+@using BTCPayServer.Payments
 @inject BTCPayServerEnvironment Env
 @inject DisplayFormatter DisplayFormatter
 @{
@@ -27,6 +28,8 @@
     }
     <style>
         #InvoiceSummary { gap: var(--btcpay-space-l); }
+        #PaymentDetails table tbody tr:first-child td { padding-top: 1rem; }
+        #PaymentDetails table tbody:not(:last-child) tr:last-child > th,td { padding-bottom: 1rem; }
         #posData td > table:last-child { margin-bottom: 0 !important; }
         #posData table > tbody > tr:first-child > td > h4 { margin-top: 0 !important; }
     </style>
@@ -114,39 +117,48 @@
                             <div id="PaymentDetails" class="bg-tile p-3 p-sm-4 rounded">
                                 <h2 class="h4 mb-3 d-print-none">Payment Details</h2>
                                 <div class="table-responsive my-0">
-                                    <table class="table my-0">
+                                    <table class="table table-borderless my-0">
+                                        <thead>
                                             <tr>
-                                            <th class="fw-normal text-secondary">Destination</th>
+                                                <th class="fw-normal text-secondary">Date</th>
-                                            <th class="fw-normal text-secondary">Received</th>
+                                                <th class="fw-normal text-secondary">Payment</th>
                                                 <th class="fw-normal text-secondary text-end">Paid</th>
                                                 <th class="fw-normal text-secondary text-end">Rate</th>
-                                            <th class="fw-normal text-secondary text-end">Payment</th>
                                             </tr>
+                                        </thead>
                                         @foreach (var payment in Model.Payments)
                                         {
-                                            <tr class="table-borderless table-light">
+                                            <tbody>
-                                                <td class="text-break">
+                                                <tr>
-                                                    <code>@payment.Destination</code>
+                                                    <td class="text-nowrap">@payment.ReceivedDate.ToBrowserDate()</td>
-                                                </td>
+                                                    <td class="text-nowrap">@payment.Amount @payment.PaymentMethod</td>
-                                                <td>@payment.ReceivedDate.ToString("g")</td>
+                                                    <td class="text-end text-nowrap">@payment.PaidFormatted</td>
-                                                <td class="text-end">@payment.PaidFormatted</td>
+                                                    <td class="text-end text-nowrap">@payment.RateFormatted</td>
-                                                <td class="text-end">@payment.RateFormatted</td>
-                                                <td class="text-end text-nowrap">@payment.Amount @payment.PaymentMethod</td>
                                                 </tr>
-                                            <tr class="table-borderless table-light">
+                                                @if (!string.IsNullOrEmpty(payment.Destination))
-                                                <td class="fw-normal" colspan="5">
-                                                    <span class="text-secondary">Transaction Id:</span>
-                                                    @if (!string.IsNullOrEmpty(payment.Link))
                                                 {
-                                                        <a href="@payment.Link" class="text-print-default text-break" rel="noreferrer noopener" target="_blank">@payment.Id</a>
+                                                    <tr>
-                                                    }
+                                                        <th class="fw-normal text-nowrap text-secondary">
-                                                    else
+                                                            Destination
-                                                    {
+                                                        </th>
-                                                        <span class="text-break">@payment.Id</span>
+                                                        <td class="fw-normal" colspan="3">
-                                                    }
+                                                            <vc:truncate-center text="@payment.Destination" classes="truncate-center-id" />
                                                         </td>
                                                     </tr>
                                                 }
+                                                @if (!string.IsNullOrEmpty(payment.PaymentProof))
+                                                {
+                                                    <tr>
+                                                        <th class="fw-normal text-nowrap text-secondary">
+                                                            Payment Proof
+                                                        </th>
+                                                        <td class="fw-normal" colspan="3">
+                                                            <vc:truncate-center text="@payment.PaymentProof" link="@payment.Link" classes="truncate-center-id" />
+                                                        </td>
+                                                    </tr>
+                                                }
+                                            </tbody>
+                                        }
                                     </table>
                                 </div>
                             </div>

BTCPayServer/wwwroot/main/site.css

@@ -912,6 +912,54 @@ input.ts-wrapper.form-control:not(.ts-hidden-accessible,.ts-inline) {
     padding-left: var(--btcpay-space-m);
 }
 
+/* Truncated text */
+.truncate-center {
+    display: inline-flex;
+    align-items: center;
+    gap: var(--btcpay-space-s);
+}
+
+.truncate-center-id {
+    font-family: var(--btcpay-font-monospace);
+    font-size: .875em;
+}
+
+.truncate-center-text {
+    word-wrap: break-word;
+    word-break: break-word;
+}
+
+.truncate-center a,
+.truncate-center button,
+.truncate-center-truncated {
+    line-height: 1;
+}
+
+.truncate-center button.btn .icon {
+    --btn-icon-size: 1em;
+}
+
+@media screen {
+    .truncate-center-id {
+        background: var(--btcpay-neutral-100);
+        border: 1px solid var(--btcpay-neutral-200);
+        border-radius: var(--btcpay-border-radius-l);
+        padding: var(--btcpay-space-xs) var(--btcpay-space-s);
+    }
+    
+    .truncate-center-text {
+        display: none;
+    }
+}
+
+@media print {
+    .truncate-center a,
+    .truncate-center button,
+    .truncate-center-truncated {
+        display: none;
+    }
+}
+
 /* Copy */
 [data-clipboard],
 [data-clipboard] input[readonly] {