initial coinswitch work

BTCPayServer.Tests/CoinSwitchTests.cs

@@ -0,0 +1,89 @@
+using BTCPayServer.Controllers;
+using BTCPayServer.Models.StoreViewModels;
+using BTCPayServer.Payments.CoinSwitch;
+using BTCPayServer.Tests.Logging;
+using Microsoft.AspNetCore.Mvc;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace BTCPayServer.Tests
+{
+    public class CoinSwitchTests
+    {
+        public CoinSwitchTests(ITestOutputHelper helper)
+        {
+            Logs.Tester = new XUnitLog(helper) {Name = "Tests"};
+            Logs.LogProvider = new XUnitLogProvider(helper);
+        }
+
+        [Fact]
+        [Trait("Integration", "Integration")]
+        public async void CanSetCoinSwitchPaymentMethod()
+        {
+            using (var tester = ServerTester.Create())
+            {
+                tester.Start();
+                var user = tester.NewAccount();
+                user.GrantAccess();
+                var controller = tester.PayTester.GetController<StoresController>(user.UserId, user.StoreId);
+
+
+                var storeBlob = controller.StoreData.GetStoreBlob();
+                Assert.Null(storeBlob.CoinSwitchSettings);
+
+                var updateModel = new UpdateCoinSwitchSettingsViewModel()
+                {
+                    MerchantId = "aaa",
+                };
+
+                Assert.Equal("UpdateStore", Assert.IsType<RedirectToActionResult>(
+                    await controller.UpdateCoinSwitchSettings(user.StoreId, updateModel, "save")).ActionName);
+
+                var store = await tester.PayTester.StoreRepository.FindStore(user.StoreId);
+                storeBlob = controller.StoreData.GetStoreBlob();
+                Assert.NotNull(storeBlob.CoinSwitchSettings);
+                Assert.NotNull(storeBlob.CoinSwitchSettings);
+                Assert.IsType<CoinSwitchSettings>(storeBlob.CoinSwitchSettings);
+                Assert.Equal(storeBlob.CoinSwitchSettings.MerchantId,
+                    updateModel.MerchantId);
+            }
+        }
+
+
+        [Fact]
+        [Trait("Integration", "Integration")]
+        public async void CanToggleCoinSwitchPaymentMethod()
+        {
+            using (var tester = ServerTester.Create())
+            {
+                tester.Start();
+                var user = tester.NewAccount();
+                user.GrantAccess();
+                var controller = tester.PayTester.GetController<StoresController>(user.UserId, user.StoreId);
+
+                var updateModel = new UpdateCoinSwitchSettingsViewModel()
+                {
+                    MerchantId = "aaa",
+                    Enabled = true
+                };
+                Assert.Equal("UpdateStore", Assert.IsType<RedirectToActionResult>(
+                    await controller.UpdateCoinSwitchSettings(user.StoreId, updateModel, "save")).ActionName);
+
+
+                var store = await tester.PayTester.StoreRepository.FindStore(user.StoreId);
+
+                Assert.True(store.GetStoreBlob().CoinSwitchSettings.Enabled);
+
+                updateModel.Enabled = false;
+
+                Assert.Equal("UpdateStore", Assert.IsType<RedirectToActionResult>(
+                    await controller.UpdateCoinSwitchSettings(user.StoreId, updateModel, "save")).ActionName);
+
+                store = await tester.PayTester.StoreRepository.FindStore(user.StoreId);
+
+                Assert.False(store.GetStoreBlob().CoinSwitchSettings.Enabled);
+            }
+        }
+   
+    }
+}

BTCPayServer/Controllers/InvoiceController.UI.cs

@@ -13,6 +13,7 @@ using BTCPayServer.Models;
 using BTCPayServer.Models.InvoicingModels;
 using BTCPayServer.Payments;
 using BTCPayServer.Payments.Changelly;
+using BTCPayServer.Payments.CoinSwitch;
 using BTCPayServer.Payments.Lightning;
 using BTCPayServer.Security;
 using BTCPayServer.Services.Invoices;
@@ -258,6 +259,11 @@ namespace BTCPayServer.Controllers
                                            storeBlob.ChangellySettings.IsConfigured())
                 ? storeBlob.ChangellySettings
                 : null;
+            
+            CoinSwitchSettings coinswitch = (storeBlob.CoinSwitchSettings != null && storeBlob.CoinSwitchSettings.Enabled &&
+                                           storeBlob.CoinSwitchSettings.IsConfigured())
+                ? storeBlob.CoinSwitchSettings
+                : null;
 
 
             var changellyAmountDue = changelly != null
@@ -309,6 +315,8 @@ namespace BTCPayServer.Controllers
                 ChangellyEnabled = changelly != null,
                 ChangellyMerchantId = changelly?.ChangellyMerchantId,
                 ChangellyAmountDue = changellyAmountDue,
+                CoinSwitchEnabled = coinswitch != null,
+                CoinSwitchMerchantId = coinswitch?.MerchantId,
                 StoreId = store.Id,
                 AvailableCryptos = invoice.GetPaymentMethods(_NetworkProvider)
                                           .Where(i => i.Network != null)

BTCPayServer/Controllers/StoresController.CoinSwitch.cs

@@ -0,0 +1,70 @@
+using System.Threading.Tasks;
+using BTCPayServer.Data;
+using BTCPayServer.Models.StoreViewModels;
+using BTCPayServer.Payments.CoinSwitch;
+using Microsoft.AspNetCore.Mvc;
+
+namespace BTCPayServer.Controllers
+{
+    public partial class StoresController
+    {
+        [HttpGet]
+        [Route("{storeId}/coinswitch")]
+        public IActionResult UpdateCoinSwitchSettings(string storeId)
+        {
+            var store = HttpContext.GetStoreData();
+            if (store == null)
+                return NotFound();
+            UpdateCoinSwitchSettingsViewModel vm = new UpdateCoinSwitchSettingsViewModel();
+            SetExistingValues(store, vm);
+            return View(vm);
+        }
+
+        private void SetExistingValues(StoreData store, UpdateCoinSwitchSettingsViewModel vm)
+        {
+
+            var existing = store.GetStoreBlob().CoinSwitchSettings;
+            if (existing == null) return;
+            vm.MerchantId = existing.MerchantId;
+            vm.Enabled = existing.Enabled;
+        }
+
+        [HttpPost]
+        [Route("{storeId}/coinswitch")]
+        public async Task<IActionResult> UpdateCoinSwitchSettings(string storeId, UpdateCoinSwitchSettingsViewModel vm,
+            string command)
+        {
+            var store = HttpContext.GetStoreData();
+            if (store == null)
+                return NotFound();
+            if (vm.Enabled)
+            {
+                if (!ModelState.IsValid)
+                {
+                    return View(vm);
+                }
+            }
+
+            var coinSwitchSettings = new CoinSwitchSettings()
+            {
+                MerchantId =  vm.MerchantId,
+                Enabled = vm.Enabled
+            };
+            
+            switch (command)
+            {
+                case "save":
+                    var storeBlob = store.GetStoreBlob();
+                    storeBlob.CoinSwitchSettings = coinSwitchSettings;
+                    store.SetStoreBlob(storeBlob);
+                    await _Repo.UpdateStore(store);
+                    StatusMessage = "CoinSwitch settings modified";
+                    return RedirectToAction(nameof(UpdateStore), new {
+                        storeId});
+
+                default:
+                    return View(vm);
+            }
+        }
+    }
+}

BTCPayServer/Controllers/StoresController.cs

@@ -464,6 +464,14 @@ namespace BTCPayServer.Controllers
                 Action = nameof(UpdateChangellySettings),
                 Provider = "Changelly"
             });
+            
+            var coinSwitchEnabled = storeBlob.CoinSwitchSettings != null && storeBlob.CoinSwitchSettings.Enabled;
+            vm.ThirdPartyPaymentMethods.Add(new StoreViewModel.ThirdPartyPaymentMethod()
+            {
+                Enabled = coinSwitchEnabled,
+                Action = nameof(UpdateCoinSwitchSettings),
+                Provider = "CoinSwitch"
+            });
         }
 
         [HttpPost]

BTCPayServer/Data/StoreData.cs

@@ -18,6 +18,7 @@ using System.ComponentModel.DataAnnotations;
 using BTCPayServer.Services;
 using System.Security.Claims;
 using BTCPayServer.Payments.Changelly;
+using BTCPayServer.Payments.CoinSwitch;
 using BTCPayServer.Security;
 using BTCPayServer.Rating;
 
@@ -305,6 +306,7 @@ namespace BTCPayServer.Data
         public bool AnyoneCanInvoice { get; set; }
         
         public ChangellySettings ChangellySettings { get; set; }
+        public CoinSwitchSettings CoinSwitchSettings { get; set; }
 
 
         string _LightningDescriptionTemplate;

BTCPayServer/Models/InvoicingModels/PaymentModel.cs

@@ -61,5 +61,8 @@ namespace BTCPayServer.Models.InvoicingModels
         public string PeerInfo { get; set; }
         public string ChangellyMerchantId { get; set; }
         public decimal? ChangellyAmountDue { get; set; }
+        
+        public bool CoinSwitchEnabled { get; set; }
+        public string CoinSwitchMerchantId { get; set; }
     }
 }

BTCPayServer/Models/StoreViewModels/UpdateCoinSwitchSettingsViewModel.cs

@@ -0,0 +1,12 @@
+using BTCPayServer.Payments.CoinSwitch;
+
+namespace BTCPayServer.Models.StoreViewModels
+{
+    public class UpdateCoinSwitchSettingsViewModel
+    {
+        public string MerchantId { get; set; }
+        public bool Enabled { get; set; }
+
+        public string StatusMessage { get; set; }
+    }
+}

BTCPayServer/Payments/Coinswitch/CoinswitchSettings.cs

@@ -0,0 +1,15 @@
+namespace BTCPayServer.Payments.CoinSwitch
+{
+    public class CoinSwitchSettings
+    {
+        public string MerchantId { get; set; }
+
+        public bool Enabled { get; set; }
+        
+        public bool IsConfigured()
+        {
+            return
+                !string.IsNullOrEmpty(MerchantId);
+        }
+    }
+}

BTCPayServer/Views/Invoice/Checkout-Body.cshtml

@@ -151,7 +151,7 @@
         <div class="payment-tabs__tab" id="copy-tab">
             <span>{{$t("Copy")}}</span>
         </div>
-        @if (Model.ChangellyEnabled)
+        @if (Model.ChangellyEnabled || Model.CoinSwitchEnabled)
         {
             <div class="payment-tabs__tab" id="altcoins-tab">
                 <span>{{$t("Conversion")}}</span>
@@ -256,7 +256,7 @@
             </div>
         </nav>
     </div>
-    @if (Model.ChangellyEnabled)
+    @if (Model.ChangellyEnabled || Model.CoinSwitchEnabled)
     {
         <div id="altcoins" class="bp-view payment manual-flow">
             <nav v-if="srvModel.isLightning">
@@ -274,42 +274,74 @@
                         {{$t("ConversionTab_BodyDesc", srvModel)}}
                     </span>
                 </div>
-                <center>             
-                    <changelly inline-template
-                               :merchant-id="srvModel.changellyMerchantId"
-                               :store-id="srvModel.storeId"
-                               :to-currency="srvModel.paymentMethodId"
-                               :to-currency-due="srvModel.changellyAmountDue"
-                               :to-currency-address="srvModel.btcAddress">
-                        <div class="changelly-component">
-                            <div class="changelly-component-dropdown-holder" v-show="prettyDropdownInstance">
-                                <select 
+                <center>        
+                    
+                    @if (Model.CoinSwitchEnabled && Model.ChangellyEnabled)
+                    {
+                        <template v-if="!selectedThirdPartyProcessor">
+                            <button v-on:click="selectedThirdPartyProcessor = 'coinswitch'" class="action-button">
+                                {{$t("Pay with CoinSwitch")}}
+                            </button>
+                            <button v-on:click="selectedThirdPartyProcessor = 'changelly'" class="action-button">
+                                {{$t("Pay with Changelly")}}
+                            </button>
+                        </template>
+                    }
+                    
+                    @if (Model.CoinSwitchEnabled)
+                    {
+                        <coinswitch inline-template
+                                    v-if="!srvModel.changellyEnabled || selectedThirdPartyProcessor === 'coinswitch'"
+                                    :merchant-id="srvModel.changellyMerchantId"
+                                    :to-currency="srvModel.paymentMethodId"
+                                    :to-currency-due="srvModel.btcDue"
+                                    :autoload="selectedThirdPartyProcessor === 'coinswitch'"
+                                    :to-currency-address="srvModel.btcAddress">
+                            <a  v-on:click="openDialog($event)" :href="url" class="action-button"  v-show="url">
+                                {{$t("Pay with CoinSwitch")}}
+                            </a>
+                        </coinswitch>
+                    }
+                    
+                    @if(Model.ChangellyEnabled){
+                    
+                        <changelly inline-template
+                                   v-if="!srvModel.coinSwitchEnabled || selectedThirdPartyProcessor === 'changelly'"
+                                   :merchant-id="srvModel.changellyMerchantId"
+                                   :store-id="srvModel.storeId"
+                                   :to-currency="srvModel.paymentMethodId"
+                                   :to-currency-due="srvModel.changellyAmountDue"
+                                   :to-currency-address="srvModel.btcAddress">
+                            <div class="changelly-component">
+                                <div class="changelly-component-dropdown-holder" v-show="prettyDropdownInstance">
+                                    <select 
                                         v-model="selectedFromCurrency"
                                         :disabled="isLoading"
-                                        v-on:change="onCurrencyChange($event)"
+                                        v-on:change="onCurrencyChange($event)"payment__details__instruction__open-wallet__btn
                                         ref="changellyCurrenciesDropdown">
-                                    <option value="">{{$t("ConversionTab_CurrencyList_Select_Option")}}</option>
-                                    <option v-for="currency of currencies" 
-                                            :data-prefix="'<img src=\''+currency.image+'\'/>'"
-                                            :value="currency.name">
-                                       {{currency.fullName}}
-                                    </option>
-                                </select>
+                                        <option value="">{{$t("ConversionTab_CurrencyList_Select_Option")}}</option>
+                                        <option v-for="currency of currencies" 
+                                                :data-prefix="'<img src=\''+currency.image+'\'/>'"
+                                                :value="currency.name">
+                                            {{currency.fullName}}
+                                        </option>
+                                    </select>
+                                </div>
+                                <a  v-on:click="openDialog($event)" :href="url" class="action-button"  v-show="url">
+                                    {{$t("Pay with Changelly")}}
+                                </a>
+                                <button class="retry-button" v-if="calculateError" v-on:click="retry('calculateAmount')">
+                                    {{$t("ConversionTab_CalculateAmount_Error")}}
+                                </button>
+                                <button class="retry-button" v-if="currenciesError" v-on:click="retry('loadCurrencies')">
+                                    {{$t("ConversionTab_LoadCurrencies_Error")}}
+                                </button>
+                                <div v-show="isLoading" class="general__spinner">
+                                    <partial name="Checkout-Spinner"/>
+                                </div>
                             </div>
-                            <a  v-on:click="openDialog($event)" :href="url" class="btn btn-primary retry-button changelly-component-button"  v-show="url">
-                               Pay with Changelly
-                            </a>
-                            <button class="retry-button" v-if="calculateError" v-on:click="retry('calculateAmount')">
-                                {{$t("ConversionTab_CalculateAmount_Error")}}
-                            </button>
-                            <button class="retry-button" v-if="currenciesError" v-on:click="retry('loadCurrencies')">
-                                {{$t("ConversionTab_LoadCurrencies_Error")}}
-                            </button>
-                            <div v-show="isLoading" class="general__spinner">
-                                <partial name="Checkout-Spinner"/>
-                            </div>
-                        </div>
-                    </changelly>
+                        </changelly>
+                    }
                 </center>
             </nav>
         </div>

BTCPayServer/Views/Invoice/Checkout.cshtml

@@ -170,14 +170,16 @@
         el: '#checkoutCtrl',
         components: {
             qrcode: VueQr,
-            changelly: ChangellyComponent
+            changelly: ChangellyComponent,
+            coinswitch: CoinSwitchComponent
         },
         data: {
             srvModel: srvModel,
             lndModel: null,
             scanDisplayQr: "",
             expiringSoon: false,
-            isModal: srvModel.isModal
+            isModal: srvModel.isModal,
+            selectedThirdPartyProcessor: ""
         }
     });
 </script>

BTCPayServer/Views/Stores/UpdateCoinSwitchSettings.cshtml

@@ -0,0 +1,36 @@
+@using Microsoft.AspNetCore.Mvc.Rendering
+@model UpdateCoinSwitchSettingsViewModel
+@{
+    Layout = "../Shared/_NavLayout.cshtml";
+    ViewData.SetActivePageAndTitle(StoreNavPages.Index, "Update Store CoinSwitch Settings");
+}
+
+<h4>@ViewData["Title"]</h4>
+<partial name="_StatusMessage" for="StatusMessage"/>
+
+<div class="row">
+    <div class="col-md-10">
+        <form method="post">
+            <p>
+                You can obtain a merchant id at 
+                <a href="https://coinswitch.co/?ref=G0UVY10JIE" target="_blank">
+                    https://coinswitch.co
+                </a>
+            </p>
+            <div class="form-group">
+                <label asp-for="MerchantId"></label>
+                <input asp-for="MerchantId" class="form-control"/>
+                <span asp-validation-for="MerchantId" class="text-danger"></span>
+            </div>
+            <div class="form-group">
+                <label asp-for="Enabled"></label>
+                <input asp-for="Enabled" type="checkbox" class="form-check"/>
+            </div>
+            <button name="command" type="submit" value="save" class="btn btn-primary">Submit</button>
+        </form>
+    </div>
+</div>
+
+@section Scripts {
+    @await Html.PartialAsync("_ValidationScriptsPartial")
+}

BTCPayServer/wwwroot/checkout/coinswitch.html

@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>CoinSwitch</title>
+
+    <!--<script>-->
+    <!--//Initialize the CS object with your Merchant Id-->
+    <!--var payment = new Coinswitch('yadoshi');-->
+
+    <!--//When the library is available on the page, execute your code-->
+    <!--payment.on('Exchange:Ready', function() {-->
+
+    <!--// Add the "To Currency" and "To Currency Address"-->
+    <!--var config = {-->
+    <!--to_currency: 'btc',-->
+    <!--to_currency_address:'1CQ7ZdKeGWyCHF819MPB5vN4qYLjtKBpGE',-->
+    <!--to_amount: 1-->
+    <!--};-->
+
+    <!--// Open the payment wizard.-->
+    <!--payment.open(config);-->
+
+    <!--// Event: When the conversion request is created by the user.-->
+    <!--payment.on("Exchange:Initiated", function(orderId) {-->
+    <!--console.log("Exchange:Initiated CallbackFn", orderId);-->
+    <!--});-->
+
+    <!--// Event: When the conversion request is completed.-->
+    <!--payment.on("Exchange:Complete", function() {-->
+    <!--console.log("Exchange:Complete CallbackFn");-->
+    <!--})-->
+    <!--});-->
+    <!--</script>-->
+
+    <script>
+        window.onload = function () {
+            var qs = (function (a) {
+                if (a == "") return {};
+                var b = {};
+                for (var i = 0; i < a.length; ++i) {
+                    var p = a[i].split('=', 2);
+                    if (p.length == 1)
+                        b[p[0]] = "";
+                    else
+                        b[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));
+                }
+                return b;
+            })(window.location.search.substr(1).split('&'));
+
+            var merchantId = qs["merchant_id"];
+            var toCurrencyDue = qs["toCurrencyDue"];
+            var toCurrencyAddress = qs["toCurrencyAddress"];
+            var toCurrency = qs["toCurrency"];
+
+            var url = "https://coinswitch.co/widget?widget_id=c0f2b60c&to=" + toCurrency + "&amount=" + toCurrencyDue + "&to_address=" + toCurrencyAddress;
+            document.getElementById("widget").src = url;
+        }
+    </script>
+</head>
+<body>
+<iframe id="widget" style="left:0; top:0; width: 100%; height:100%; position: absolute;"
+        frameborder="0" scrolling="auto" style="overflow-y: hidden;border: 1px solid #ff7f50;border-top: none;">Can't
+    load widget
+</iframe>
+
+</body>
+</html>

BTCPayServer/wwwroot/checkout/js/coinswitchComponent.js

@@ -0,0 +1,38 @@
+var CoinSwitchComponent =
+    {
+        props: ["toCurrency", "toCurrencyDue", "toCurrencyAddress", "merchantId", "autoload"],
+        data: function () {
+        },
+        computed: {
+            url: function () {
+                return window.location.origin + "/checkout/coinswitch.html?" +
+                    "&toCurrency=" +
+                    this.toCurrency +
+                    "&toCurrencyAddress=" +
+                    this.toCurrencyAddress +
+                    "&toCurrencyDue=" +
+                    this.toCurrencyDue +
+                    (this.merchantId ? "&merchant_id=" + this.merchantId : "");
+            }
+        },
+        methods: {
+            openDialog: function (e) {
+                if (e && e.preventDefault) {
+                    e.preventDefault();
+                }
+
+                var coinSwitchWindow = window.open(
+                    this.url,
+                    'CoinSwitch',
+                    'width=600,height=470,toolbar=0,menubar=0,location=0,status=1,scrollbars=1,resizable=0,left=0,top=0');
+                coinSwitchWindow.opener = null;
+                coinSwitchWindow.focus();
+                
+            }
+        },
+        mounted: function () {
+            if(this.autoload){
+                this.openDialog();
+            }
+        },
+    };