From c49f332c8f36bfc71f909ac45fe36d68edaf8865 Mon Sep 17 00:00:00 2001
From: Jaynti Kanani <jdkanani@gmail.com>
Date: Wed, 16 Dec 2020 15:04:31 +0530
Subject: [PATCH] fix: reference path

---
 packages/plasma/src/exits.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/plasma/src/exits.ts b/packages/plasma/src/exits.ts
index caa1135..ec8b975 100644
--- a/packages/plasma/src/exits.ts
+++ b/packages/plasma/src/exits.ts
@@ -181,7 +181,12 @@ function _buildReferenceTxPayload(input: ExitPayload) {
     bufferToHex(reference.receiptsRoot),
     bufferToHex(reference.receipt),
     bufferToHex(rlp.encode(reference.receiptParentNodes)),
-    bufferToHex(reference.path), // branch mask,
+    bufferToHex(
+      Buffer.concat([
+        Buffer.from('00', 'hex'),
+        reference.path
+      ])
+    ), // branch mask,
     logIndex,
   ];
 }