From 612d4163ac8821889ad67f8b9422560e498f3200 Mon Sep 17 00:00:00 2001
From: J M Rossy <jm.rossy@gmail.com>
Date: Thu, 4 Jan 2024 11:54:34 -0500
Subject: [PATCH] Add mailbox version const to SDK (#3125)

---
 .changeset/healthy-waves-cheat.md    | 5 +++++
 typescript/sdk/src/consts/mailbox.ts | 2 ++
 typescript/sdk/src/index.ts          | 1 +
 3 files changed, 8 insertions(+)
 create mode 100644 .changeset/healthy-waves-cheat.md
 create mode 100644 typescript/sdk/src/consts/mailbox.ts

diff --git a/.changeset/healthy-waves-cheat.md b/.changeset/healthy-waves-cheat.md
new file mode 100644
index 000000000..c2c679974
--- /dev/null
+++ b/.changeset/healthy-waves-cheat.md
@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/sdk': patch
+---
+
+Add mailbox version const to SDK
diff --git a/typescript/sdk/src/consts/mailbox.ts b/typescript/sdk/src/consts/mailbox.ts
new file mode 100644
index 000000000..b1e3d5be4
--- /dev/null
+++ b/typescript/sdk/src/consts/mailbox.ts
@@ -0,0 +1,2 @@
+// Pairs well with /utils/src/messages.ts#formatMessage
+export const MAILBOX_VERSION = 3;
diff --git a/typescript/sdk/src/index.ts b/typescript/sdk/src/index.ts
index 06195db0d..f6616b384 100644
--- a/typescript/sdk/src/index.ts
+++ b/typescript/sdk/src/index.ts
@@ -29,6 +29,7 @@ export {
   hyperlaneContractAddresses,
   hyperlaneEnvironments,
 } from './consts/environments';
+export { MAILBOX_VERSION } from './consts/mailbox';
 export { defaultMultisigConfigs } from './consts/multisigIsm';
 export { SEALEVEL_SPL_NOOP_ADDRESS } from './consts/sealevel';
 export {