Whether you can pay takes into account fee deductions

1 files changed, 6 insertions, 7 deletions

diff --git a/routes/lnurl.js b/routes/lnurl.js
index 49212330..93d939f9 100644
--- a/routes/lnurl.js
+++ b/routes/lnurl.js
@@ -420,13 +420,6 @@ lnurlServer.bindToHook(
               transaction
             });
 
-            if (account.balance < amount) {
-              throw new Error("Insufficient funds");
-            } else if (account.balance < amount + conversionFee) {
-              throw new Error("Insufficient funds for conversion fee");
-            }
-
-            // use user's credits to reduce fee, if available
             let conversionFeeDeduction = Math.min(account.lightning_credits, conversionFee);
             if (conversionFeeDeduction) {
               await account.decrement({ lightning_credits: conversionFeeDeduction }, { transaction });
@@ -434,6 +427,12 @@ lnurlServer.bindToHook(
               conversionFee -= conversionFeeDeduction;
             }
 
+            if (account.balance < amount) {
+              throw new Error("Insufficient funds");
+            } else if (account.balance < amount + conversionFee) {
+              throw new Error("Insufficient funds for conversion fee");
+            }
+
             let fee_payment_id = null;
             if (conversionFee) {
               await receiverAccount.increment({ balance: conversionFee }, { transaction });