View seed option if available (#1518)

BTCPayServer/Controllers/StoresController.BTCLike.cs

@@ -26,6 +26,7 @@ using Newtonsoft.Json.Linq;
 using BTCPayServer.Logging;
 using Microsoft.Extensions.Logging;
 using BTCPayServer.Client;
+using NBXplorer;
 
 namespace BTCPayServer.Controllers
 {
@@ -53,6 +54,9 @@ namespace BTCPayServer.Controllers
             {
                 vm.DerivationScheme = derivation.AccountDerivation.ToString();
                 vm.Config = derivation.ToJson();
+                vm.NBXSeedAvailable = (await CanUseHotWallet() ).HotWallet && !string.IsNullOrEmpty(await _ExplorerProvider.GetExplorerClient(network)
+                    .GetMetadataAsync<string>(derivation.AccountDerivation,
+                        WellknownMetadataKeys.Mnemonic));
             }
             vm.Enabled = !store.GetStoreBlob().IsExcluded(new PaymentMethodId(vm.CryptoCode, PaymentTypes.BTCLike));
             var hotWallet = await CanUseHotWallet();
@@ -60,6 +64,50 @@ namespace BTCPayServer.Controllers
             vm.CanUseRPCImport = hotWallet.RPCImport;
             return View(vm);
         }
+        [HttpPost]
+        [Route("{storeId}/derivations/{cryptoCode}/seed")]        
+        [ApiExplorerSettings(IgnoreApi = true)]
+        public async Task<IActionResult> ViewSeed(string storeId, string cryptoCode)
+        {
+            var store = HttpContext.GetStoreData();
+            if (store == null)
+                return NotFound();
+            var network = cryptoCode == null ? null : _ExplorerProvider.GetNetwork(cryptoCode);
+            if (network == null)
+            {
+                return NotFound();
+            }
+            var derivation = GetExistingDerivationStrategy(cryptoCode, store);
+            if (derivation == null)
+            {
+                return NotFound();
+            }
+
+            var canExtract = (await CanUseHotWallet()).HotWallet;
+            
+            var seed = await _ExplorerProvider.GetExplorerClient(network)
+                .GetMetadataAsync<string>(derivation.AccountDerivation,
+                    WellknownMetadataKeys.Mnemonic);
+
+            if (string.IsNullOrEmpty(seed))
+            {
+                TempData.SetStatusMessageModel(new StatusMessageModel()
+                {
+                    Severity = StatusMessageModel.StatusSeverity.Error,
+                    Message = "The seed was not found"
+                });
+            }
+            else
+            {
+                TempData.SetStatusMessageModel(new StatusMessageModel()
+                {
+                    Severity = StatusMessageModel.StatusSeverity.Success,
+                    Html = $"Please store your seed securely! <br/><code class=\"alert-link\">{seed}</code>"
+                });
+            }
+            
+            return RedirectToAction(nameof(UpdateStore), new { storeId });
+        }
 
         class GetXPubs
         {
@@ -163,6 +211,7 @@ namespace BTCPayServer.Controllers
                 return NotFound();
             }
 
+            vm.NBXSeedAvailable = false;
             vm.Network = network;
             vm.RootKeyPath = network.GetRootKeyPath();
             DerivationSchemeSettings strategy = null;

BTCPayServer/Models/StoreViewModels/DerivationSchemeViewModel.cs

@@ -24,7 +24,7 @@ namespace BTCPayServer.Models.StoreViewModels
         {
             get; set;
         } = new List<(string KeyPath, string Address, RootedKeyPath RootedKeyPath)>();
-
+        public bool NBXSeedAvailable { get; set; }
         public string CryptoCode { get; set; }
         public string KeyPath { get; set; }
         public string RootFingerprint { get; set; }

BTCPayServer/Views/Stores/AddDerivationScheme.cshtml

@@ -13,7 +13,7 @@
     </style>
 }
 
-<partial name="_StatusMessage" />
+<partial name="_StatusMessage"/>
 <div class="row">
     <div class="col-md-6">
         <div asp-validation-summary="All" class="text-danger"></div>
@@ -22,13 +22,13 @@
 <div class="modal fade" id="btcpayservervault" tabindex="-1" role="dialog" aria-labelledby="btcpayservervault" aria-hidden="true">
 
 </div>
-<partial name="VaultElements" />
+<partial name="VaultElements"/>
 <div class="row">
     <div class="col-md-8">
-        <div id="WebsocketPath" style="display:none;">@Url.Action("VaultBridgeConnection", "Vault", new { cryptoCode = Model.CryptoCode })</div>
+        <div id="WebsocketPath" style="display:none;">@Url.Action("VaultBridgeConnection", "Vault", new {cryptoCode = Model.CryptoCode})</div>
         @if (!Model.Confirmation)
         {
-            <partial name="AddDerivationSchemes_HardwareWalletDialogs" model="@Model" />
+            <partial name="AddDerivationSchemes_HardwareWalletDialogs" model="@Model"/>
         }
         else
         {
@@ -55,24 +55,25 @@
                 </div>
             </template>
         }
+
+
+        @if (!Model.Confirmation)
+        {
             <form method="post" asp-action="AddDerivationScheme"
                   asp-route-cryptoCode="@Model.CryptoCode"
                   asp-route-storeId="@this.Context.GetRouteValue("storeId")">
 
-            <input id="Config" asp-for="Config" type="hidden" />
+                <input id="Config" asp-for="Config" type="hidden"/>
-
+                <input id="CryptoCurrency" asp-for="CryptoCode" type="hidden"/>
-            @if (!Model.Confirmation)
+                <input id="DerivationSchemeFormat" asp-for="DerivationSchemeFormat" type="hidden"/>
-            {
+                <input id="AccountKey" asp-for="AccountKey" type="hidden"/>
-                <input id="CryptoCurrency" asp-for="CryptoCode" type="hidden" />
-                <input id="DerivationSchemeFormat" asp-for="DerivationSchemeFormat" type="hidden" />
-                <input id="AccountKey" asp-for="AccountKey" type="hidden" />
                 <div class="form-group">
                     <h5>Derivation Scheme</h5>
                     <span>The DerivationScheme represents the destination of the funds received by your invoice. It is generated by your wallet software. Please, verify that you are generating the right addresses by clicking on 'Check ExtPubKey'</span>
                 </div>
                 <div class="form-group">
                     <label asp-for="DerivationScheme"></label>
-                    <input asp-for="DerivationScheme" class="form-control store-derivation-scheme" />
+                    <input asp-for="DerivationScheme" class="form-control store-derivation-scheme"/>
                     <span asp-validation-for="DerivationScheme" class="text-danger"></span>
 
                     <div class="dropdown mt-2 text-right">
@@ -138,33 +139,45 @@
                 </div>
                 <div class="form-group hw-fields">
                     <label asp-for="Source"></label>
-                    <input asp-for="Source" class="form-control" readonly />
+                    <input asp-for="Source" class="form-control" readonly/>
                 </div>
                 <div class="form-group hw-fields">
                     <label asp-for="RootFingerprint"></label>
-                    <input asp-for="RootFingerprint" class="form-control" readonly />
+                    <input asp-for="RootFingerprint" class="form-control" readonly/>
                 </div>
                 <div class="form-group hw-fields">
                     <label asp-for="KeyPath"></label>
-                    <input asp-for="KeyPath" class="form-control" readonly />
+                    <input asp-for="KeyPath" class="form-control" readonly/>
                 </div>
                 <div class="form-group">
                     <div class="form-check">
-                        <input asp-for="Enabled" type="checkbox" class="form-check-input" />
+                        <input asp-for="Enabled" type="checkbox" class="form-check-input"/>
                         <label asp-for="Enabled" class="form-check-label"></label>
                     </div>
                 </div>
                 <button name="command" type="submit" class="btn btn-primary" value="save" id="Continue">Continue</button>
+            </form>
+            @if (Model.NBXSeedAvailable)
+            {
+                <form asp-action="ViewSeed" asp-route-cryptoCode="@Model.CryptoCode" asp-route-storeId="@Context.GetRouteValue("storeId")">
+                    <button type="submit" class="btn btn-link">View seed</button>
+                </form>
+            }
         }
         else
         {
+            <form method="post" asp-action="AddDerivationScheme"
+                  asp-route-cryptoCode="@Model.CryptoCode"
+                  asp-route-storeId="@this.Context.GetRouteValue("storeId")">
+
+                <input id="Config" asp-for="Config" type="hidden"/>
                 <div class="form-group">
                     <h5>Confirm the addresses (@Model.CryptoCode)</h5>
                     <span>Please check that your @Model.CryptoCode wallet is generating the same addresses as below.</span>
                 </div>
-                <input asp-for="Confirmation" type="hidden" />
+                <input asp-for="Confirmation" type="hidden"/>
-                <input type="hidden" asp-for="DerivationScheme" />
+                <input type="hidden" asp-for="DerivationScheme"/>
-                <input type="hidden" asp-for="Enabled" />
+                <input type="hidden" asp-for="Enabled"/>
                 <div class="form-group">
                     <table class="table table-sm table-responsive-md">
                         <thead>
@@ -185,7 +198,9 @@
                                 <td>@sample.Address</td>
                                 @if (Model.Source == "Vault")
                                 {
-                                        <td><a class="showaddress" href="#" onclick='showAddress(@Safe.Json(sample.RootedKeyPath.ToString()), @Safe.Json(sample.Address)); return false;'>Show on device</a></td>
+                                    <td>
+                                        <a class="showaddress" href="#" onclick='showAddress(@Safe.Json(sample.RootedKeyPath.ToString()), @Safe.Json(sample.Address)); return false;'>Show on device</a>
+                                    </td>
                                 }
                             </tr>
                         }
@@ -199,14 +214,15 @@
                 </div>
                 <div class="form-group">
                     <label asp-for="HintAddress"></label>
-                    <input asp-for="HintAddress" class="form-control" />
+                    <input asp-for="HintAddress" class="form-control"/>
                     <span asp-validation-for="HintAddress" class="text-danger"></span>
                 </div>
                 <button name="command" type="submit" class="btn btn-primary" value="save" id="Confirm">Confirm</button>
-            }
             </form>
+        }
     </div>
 </div>
+
 @section Scripts {
     @await Html.PartialAsync("_ValidationScriptsPartial")
     <script src="~/js/ledgerwebsocket.js" type="text/javascript" defer="defer" asp-append-version="true"></script>