From 98c4dc8de25742acb3486a419147b48af9f3cdad Mon Sep 17 00:00:00 2001
From: Kris Nuttycombe <kris@nutty.land>
Date: Thu, 22 Jul 2021 12:19:16 -0600
Subject: [PATCH] Fix an off-by-one error in the maximum height of the tree.

---
 src/bridgetree.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bridgetree.rs b/src/bridgetree.rs
index c5ede35..0f840fb 100644
--- a/src/bridgetree.rs
+++ b/src/bridgetree.rs
@@ -61,7 +61,7 @@ impl Position {
     /// an authentication path to the root of a merkle tree that has `self + 1`
     /// nodes.
     pub fn altitudes_required(&self) -> impl Iterator<Item = Altitude> + '_ {
-        (0..=(self.max_altitude() + 1).0)
+        (0..=self.max_altitude().0)
             .into_iter()
             .filter_map(move |i| {
                 if self.0 == 0 || self.0 & (1 << i) == 0 {