From 0aaf14d23ee72016e40c67413b0cada4f6e17036 Mon Sep 17 00:00:00 2001
From: kf <kelvin@optimism.io>
Date: Wed, 8 Sep 2021 01:29:26 +0000
Subject: [PATCH] chore: add changeset

---
 .changeset/curly-pumpkins-yell.md | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 .changeset/curly-pumpkins-yell.md

diff --git a/.changeset/curly-pumpkins-yell.md b/.changeset/curly-pumpkins-yell.md
new file mode 100644
index 000000000000..3245b7c33650
--- /dev/null
+++ b/.changeset/curly-pumpkins-yell.md
@@ -0,0 +1,7 @@
+---
+'@eth-optimism/l2geth': minor
+'@eth-optimism/contracts': minor
+'@eth-optimism/integration-tests': patch
+---
+
+Introduces a new opcode L1BLOCKNUMBER to replace old functionality where blocknumber would return the L1 block number and the L2 block number was inaccessible.