From 0dc07d2e32a9afc5ae4728bb2c7c9b9b52059cdf Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Tue, 26 Aug 2025 21:52:40 -0700
Subject: handle 0 tip

---
 lib/invoices.ts    | 3 ++-
 routes/invoices.ts | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/invoices.ts b/lib/invoices.ts
index 48eb4879..45987ae1 100644
--- a/lib/invoices.ts
+++ b/lib/invoices.ts
@@ -80,9 +80,10 @@ export const generate = async ({ invoice, user }) => {
       r.bolt11 = bolt11;
     } else {
       expiry ||= 60 * 60 * 24 * 30;
+
       r = await ln.invoice({
         amount_msat: amount ? `${amount + tip}sat` : "any",
-        label: `${id} ${user.username} ${new Date()}`,
+        label: `${id} ${user.username} ${Date.now()}`,
         description: memo || "",
         expiry,
         deschashonly: true,
diff --git a/routes/invoices.ts b/routes/invoices.ts
index a2bab026..430c926d 100644
--- a/routes/invoices.ts
+++ b/routes/invoices.ts
@@ -53,7 +53,7 @@ export default {
     try {
       const { id } = req.params;
       const { body } = req;
-      if (!body.invoice?.tip || body.invoice.tip < 0) fail("Invalid tip");
+      if (body.invoice?.tip == null || body.invoice.tip < 0) fail("Invalid tip");
 
       let invoice = await g(`invoice:${id}`);
       const user = await g(`user:${invoice.uid}`);
-- 
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