From 72902b574d1e9ed4669878bc68fd284bf49b6e98 Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Fri, 23 Feb 2024 12:56:52 -0800
Subject: constrain memo length

---
 lib/invoices.js | 2 ++
 lib/payments.js | 1 +
 2 files changed, 3 insertions(+)

(limited to 'lib')

diff --git a/lib/invoices.js b/lib/invoices.js
index 6962898a..89c4f3d6 100644
--- a/lib/invoices.js
+++ b/lib/invoices.js
@@ -28,6 +28,7 @@ export let generate = async ({ invoice, user, sender, }) => {
     secret,
   } = invoice;
 
+
   amount = parseInt(amount || 0);
   tip = parseInt(tip) || null;
 
@@ -39,6 +40,7 @@ export let generate = async ({ invoice, user, sender, }) => {
   if (!rate) rate = store.rates[currency];
   if (fiat) amount = Math.round((SATS * fiat) / rate);
   if (amount < 0) fail("invalid amount");
+  if (memo && memo.length > 200) fail("memo too long");
 
   let id = v4();
 
diff --git a/lib/payments.js b/lib/payments.js
index 54c901e6..ea17783b 100644
--- a/lib/payments.js
+++ b/lib/payments.js
@@ -132,6 +132,7 @@ export let credit = async (hash, amount, memo, ref, type = types.internal) => {
   tip = parseInt(tip) || 0;
 
   if (!memo) ({ memo } = inv);
+    if (memo && memo.length > 200) fail("memo too long");
   if (amount < 0 || tip < 0) fail("Invalid amount");
   if (type === types.internal) amount += tip;
 
-- 
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