From 6aa385b4bcfe5a97bbf21263126f61adcd3bc606 Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Mon, 23 Jun 2025 08:48:52 -0700
Subject: mark self-generated invoices

---
 lib/invoices.ts    |  3 +++
 routes/invoices.ts |  7 +++++--
 routes/lnurl.ts    | 16 ++++++++++++----
 3 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/lib/invoices.ts b/lib/invoices.ts
index f6ad65e8..d624ac6b 100644
--- a/lib/invoices.ts
+++ b/lib/invoices.ts
@@ -23,6 +23,7 @@ export const generate = async ({ invoice, user }) => {
     tip,
     amount,
     items = [],
+    own,
     rate,
     request_id,
     memo,
@@ -38,6 +39,7 @@ export const generate = async ({ invoice, user }) => {
 
   if (user) user = await getUser(user.username);
   if (!user) fail("user not provided");
+  if (typeof prompt === "undefined") prompt = user.prompt;
 
   let account = await g(`account:${aid}`);
   if (!account) account = await g(`account:${user.id}`);
@@ -134,6 +136,7 @@ export const generate = async ({ invoice, user }) => {
     received: 0,
     request_id,
     memoPrompt,
+    own,
     path,
     prompt,
     secret,
diff --git a/routes/invoices.ts b/routes/invoices.ts
index 0881c69f..ecac713c 100644
--- a/routes/invoices.ts
+++ b/routes/invoices.ts
@@ -24,11 +24,14 @@ export default {
 
   async create(req, res) {
     let { body, user } = req;
-    if (body.user) user = body.user;
     const { invoice } = body;
 
+    if (body.user) user = body.user;
+    if (req.user.username === user.username) invoice.own = true;
+
     try {
-      res.send(await generate({ invoice, user }));
+      const result = await generate({ invoice, user });
+      res.send(result);
     } catch (e) {
       err(
         "problem generating invoice",
diff --git a/routes/lnurl.ts b/routes/lnurl.ts
index e5b3e60c..18785164 100644
--- a/routes/lnurl.ts
+++ b/routes/lnurl.ts
@@ -46,7 +46,8 @@ export default {
         bech32.fromWords(bech32.decode(text, 20000).words),
       ).toString();
 
-      res.send(await got(url).json());
+      const r = await got(url).json();
+      res.send(r);
     } catch (e) {
       bail(res, e.message);
     }
@@ -156,11 +157,18 @@ export default {
     try {
       const user = await getUser(username);
       const iid = await db.lIndex(`${user.id}:invoices`, 0);
-      const invoice = await getInvoice(iid);
+      let invoice = await getInvoice(iid);
       const fiveMinutes = 1000 * 60 * 5;
       const paid = invoice.received >= invoice.amount;
       const expired = Date.now() - invoice.created > fiveMinutes;
-      if (paid || expired) fail("No active invoice");
+      if (paid || expired || !invoice.own) {
+        invoice = await generate({
+          invoice: {
+            type: PaymentType.lightning,
+          },
+          user,
+        });
+      }
 
       const { id: uid } = user;
 
@@ -175,7 +183,7 @@ export default {
       res.send({
         allowsNostr: true,
         minSendable: invoice.amount * 1000,
-        maxSendable: invoice.amount * 1000,
+        maxSendable: invoice.amount ? invoice.amount * 1000 : undefined,
         metadata,
         nostrPubkey: serverPubkey,
         commentAllowed: 512,
-- 
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