From 103ef6d851c81b92feb9d9a2c101466b636fd5d8 Mon Sep 17 00:00:00 2001
From: Andrei O <andrei@flashsoft.eu>
Date: Fri, 21 Mar 2025 21:17:00 +0200
Subject: [PATCH] chore: handle `InvalidJFSHeaderError` in `parseManifest`

---
 .changeset/little-berries-hang.md                   | 5 +++++
 packages/frames.js/src/frame-parsers/farcasterV2.ts | 9 +++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/little-berries-hang.md

diff --git a/.changeset/little-berries-hang.md b/.changeset/little-berries-hang.md
new file mode 100644
index 000000000..f43ab249a
--- /dev/null
+++ b/.changeset/little-berries-hang.md
@@ -0,0 +1,5 @@
+---
+"frames.js": minor
+---
+
+Handle `InvalidJFSHeaderError` in `parseManifest` for better error reporting
diff --git a/packages/frames.js/src/frame-parsers/farcasterV2.ts b/packages/frames.js/src/frame-parsers/farcasterV2.ts
index f149f4e4f..6dc9264f2 100644
--- a/packages/frames.js/src/frame-parsers/farcasterV2.ts
+++ b/packages/frames.js/src/frame-parsers/farcasterV2.ts
@@ -5,7 +5,7 @@ import {
 } from "@farcaster/frame-core";
 import { z } from "zod";
 import type { FarcasterManifest } from "../farcaster-v2/types";
-import { decodePayload, verify } from "../farcaster-v2/json-signature";
+import { decodePayload, verify, InvalidJFSHeaderError } from "../farcaster-v2/json-signature";
 import { getMetaTag, removeInvalidDataFromObject } from "./utils";
 import type {
   ParseResultFramesV2,
@@ -331,7 +331,12 @@ async function parseManifest(
       reports: reporter.toObject(),
     };
   } catch (e) {
-    if (e instanceof Error) {
+    if(e instanceof InvalidJFSHeaderError) {
+      reporter.error(
+        "fc:manifest",
+        `Failed to verify account association signature: InvalidJFSHeaderError`
+      );
+    } else if (e instanceof Error) {
       reporter.error(
         "fc:manifest",
         `Failed to parse frame manifest: ${String(e)}`