From 079de2459a1878f0d71af37ba4359a4233567da6 Mon Sep 17 00:00:00 2001
From: Upamanyu Sharma <upamanyu@mit.edu>
Date: Tue, 3 Dec 2024 15:53:39 -0500
Subject: [PATCH] Fix for goose

---
 merkle/merkle.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/merkle/merkle.go b/merkle/merkle.go
index e16aa03..57d9355 100644
--- a/merkle/merkle.go
+++ b/merkle/merkle.go
@@ -69,7 +69,9 @@ func (t *Tree) Put(label []byte, mapVal []byte) ([]byte, []byte, bool) {
 
 	// make leaf node with correct hash.
 	lastInterior := interiors[cryptoffi.HashLen-1]
-	lastPos := label[cryptoffi.HashLen-1]
+	// XXX: To deal with goose failing to handle the implicit conversion to int
+	// when using as a slice index
+	lastPos := uint64(label[cryptoffi.HashLen-1])
 	lastInterior.children[lastPos] = &node{mapVal: mapVal, hash: compLeafNodeHash(mapVal)}
 
 	// correct hashes of interior nodes, bubbling up.