From 70a7535ae8c782943b0fda1e56b41ac260732d30 Mon Sep 17 00:00:00 2001
From: Jack Grigg <jack@z.cash>
Date: Tue, 17 Jul 2018 10:34:48 -0600
Subject: [PATCH] Expose note position in IncrementalMerkleWitness

---
 src/zcash/IncrementalMerkleTree.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/zcash/IncrementalMerkleTree.hpp b/src/zcash/IncrementalMerkleTree.hpp
index 912e9fff0..1e4c8ac85 100644
--- a/src/zcash/IncrementalMerkleTree.hpp
+++ b/src/zcash/IncrementalMerkleTree.hpp
@@ -170,6 +170,10 @@ public:
         return tree.last();
     }
 
+    uint64_t position() const {
+        return tree.size() - 1;
+    }
+
     Hash root() const {
         return tree.root(Depth, partial_path());
     }