fix lnurl description_hash mismatch

Co-Authored-By: Claude Opus 4.6 <[email protected]>

1 files changed, 6 insertions, 2 deletions

diff --git a/routes/lnurl.ts b/routes/lnurl.ts
index 0358488e..4810bf3c 100644
--- a/routes/lnurl.ts
+++ b/routes/lnurl.ts
@@ -108,9 +108,8 @@ export default {
       let { username } = user;
       username = username.replace(/\s/g, "").toLowerCase();
 
-      const memo = comment ?? `Paying ${username}@${host}`;
       let metadata = JSON.stringify([
-        ["text/plain", memo],
+        ["text/plain", `Paying ${username}@${host}`],
         ["text/identifier", `${username}@${host}`],
       ]);
 
@@ -136,6 +135,11 @@ export default {
             user,
           });
 
+      if (comment) {
+        invoice.memo = comment;
+        await s(`invoice:${invoice.id}`, invoice);
+      }
+
       res.send({
         pr: invoice.text,
         routes: [],