allow stablesat

Plugins/BTCPayServer.Plugins.Blink/BTCPayServer.Plugins.Blink.csproj

@@ -9,7 +9,7 @@
     <PropertyGroup>
         <Product>Blink</Product>
         <Description>Brink Lightning support</Description>
-        <Version>1.0.2</Version>
+        <Version>1.0.3</Version>
 <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
         <RootNamespace>BTCPayServer.Plugins.Blink</RootNamespace>
     </PropertyGroup>

Plugins/BTCPayServer.Plugins.Blink/BlinkLightningClient.cs

@@ -301,10 +301,8 @@ query Transactions($walletId: WalletId!) {
     public async Task<LightningInvoice> CreateInvoice(CreateInvoiceParams createInvoiceRequest,
         CancellationToken cancellation = new())
     {
-        var reques = new GraphQLRequest
-        {
-            Query = @"
-mutation lnInvoiceCreateOnBehalfOfRecipient($input: LnInvoiceCreateOnBehalfOfRecipientInput!) {
+        var query = @"
+mutation lnInvoiceCreate($input: LnInvoiceCreateOnBehalfOfRecipientInput!) {
   lnInvoiceCreateOnBehalfOfRecipient(input: $input) {
     invoice {
       createdAt
@@ -315,8 +313,29 @@ mutation lnInvoiceCreateOnBehalfOfRecipient($input: LnInvoiceCreateOnBehalfOfRec
       satoshis
     }
   }
-}",
-            OperationName = "LnInvoiceCreate",
+}";
+        
+        if (WalletCurrency?.Equals("btc", StringComparison.InvariantCultureIgnoreCase) is not true)
+        {
+            query = @"
+mutation lnInvoiceCreate($input: LnUsdInvoiceBtcDenominatedCreateOnBehalfOfRecipientInput!) {
+  lnUsdInvoiceBtcDenominatedCreateOnBehalfOfRecipient(input: $input) {
+    invoice {
+      createdAt
+      paymentHash
+      paymentRequest
+      paymentSecret
+      paymentStatus
+      satoshis
+    }
+  }
+}";
+        }
+        
+        var reques = new GraphQLRequest
+        {
+            Query = query,
+            OperationName = "lnInvoiceCreate",
             Variables = new
             {
                 input = new

Plugins/BTCPayServer.Plugins.Blink/BlinkLightningConnectionStringHandler.cs

@@ -109,12 +109,6 @@ public class BlinkLightningConnectionStringHandler : ILightningConnectionStringH
             try
             {
                 bclient.GetBalance().GetAwaiter().GetResult();
-                if (!bclient.WalletCurrency.Equals("btc", StringComparison.InvariantCultureIgnoreCase))
-                {
-                    error = "Cannot use a non BTC denominated wallet";
-                    return null;
-                    
-                }
             }
             catch (Exception e)
             {