From d24f2b54f6f0cab3be6cb052cc49f45a02b55ff4 Mon Sep 17 00:00:00 2001
From: Kukks <evilkukka@gmail.com>
Date: Tue, 12 Dec 2023 15:47:56 +0100
Subject: [PATCH] allow stablesat

---
 .../BTCPayServer.Plugins.Blink.csproj         |  2 +-
 .../BlinkLightningClient.cs                   | 31 +++++++++++++++----
 .../BlinkLightningConnectionStringHandler.cs  |  6 ----
 3 files changed, 26 insertions(+), 13 deletions(-)

diff --git a/Plugins/BTCPayServer.Plugins.Blink/BTCPayServer.Plugins.Blink.csproj b/Plugins/BTCPayServer.Plugins.Blink/BTCPayServer.Plugins.Blink.csproj
index 8191215..e3b5be3 100644
--- a/Plugins/BTCPayServer.Plugins.Blink/BTCPayServer.Plugins.Blink.csproj
+++ b/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>
diff --git a/Plugins/BTCPayServer.Plugins.Blink/BlinkLightningClient.cs b/Plugins/BTCPayServer.Plugins.Blink/BlinkLightningClient.cs
index b33ef59..ca57b7d 100644
--- a/Plugins/BTCPayServer.Plugins.Blink/BlinkLightningClient.cs
+++ b/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
diff --git a/Plugins/BTCPayServer.Plugins.Blink/BlinkLightningConnectionStringHandler.cs b/Plugins/BTCPayServer.Plugins.Blink/BlinkLightningConnectionStringHandler.cs
index 5e468b8..83dd3f6 100644
--- a/Plugins/BTCPayServer.Plugins.Blink/BlinkLightningConnectionStringHandler.cs
+++ b/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)
             {