From bd52302092d5393012a100617541d533362ac927 Mon Sep 17 00:00:00 2001
From: kyscott18 <43524469+kyscott18@users.noreply.github.com>
Date: Thu, 9 Jan 2025 15:36:32 -0500
Subject: [PATCH] fix: null bytes in `trace.error` and `trace.revertReason`
 (#1426)

* null bytes for traces

* chore: changeset

* Update tricky-bees-switch.md
---
 .changeset/tricky-bees-switch.md         | 5 +++++
 packages/core/src/sync-store/encoding.ts | 6 ++++--
 2 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/tricky-bees-switch.md

diff --git a/.changeset/tricky-bees-switch.md b/.changeset/tricky-bees-switch.md
new file mode 100644
index 000000000..685770cb0
--- /dev/null
+++ b/.changeset/tricky-bees-switch.md
@@ -0,0 +1,5 @@
+---
+"ponder": patch
+---
+
+Fixed a bug with traces containing invalid byte sequences.
diff --git a/packages/core/src/sync-store/encoding.ts b/packages/core/src/sync-store/encoding.ts
index d18e3d03f..69307db40 100644
--- a/packages/core/src/sync-store/encoding.ts
+++ b/packages/core/src/sync-store/encoding.ts
@@ -316,8 +316,10 @@ export function encodeTrace({
     input: trace.input,
     functionSelector: trace.input.slice(0, 10) as Hex,
     output: trace.output ?? null,
-    revertReason: trace.revertReason ?? null,
-    error: trace.error ?? null,
+    revertReason: trace.revertReason
+      ? trace.revertReason.replace(/\0/g, "")
+      : null,
+    error: trace.error ? trace.error.replace(/\0/g, "") : null,
     value: trace.value ? hexToBigInt(trace.value) : null,
     index: trace.index,
     subcalls: trace.subcalls,