From df118be7c57b57a12f310caf5f96037925b3b8c2 Mon Sep 17 00:00:00 2001
From: Marcin Wajdzik <wajdzik.martin@gmail.com>
Date: Tue, 27 Aug 2024 15:57:50 +0200
Subject: [PATCH] 0.4.6 feat: added leaf_count_to_mmr_size

---
 Cargo.toml         | 2 +-
 src/mmr/helpers.rs | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 4843222..182f193 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "accumulators"
-version = "0.4.5"
+version = "0.4.6"
 edition = "2021"
 license-file = "LICENSE"
 description = "Complete package of multiple Accumulators with Stores and hashing functions (Hashers)"
diff --git a/src/mmr/helpers.rs b/src/mmr/helpers.rs
index 6fef9f5..f595927 100644
--- a/src/mmr/helpers.rs
+++ b/src/mmr/helpers.rs
@@ -135,6 +135,10 @@ pub fn leaf_count_to_peaks_count(leaf_count: usize) -> u32 {
     count_ones(leaf_count) as u32
 }
 
+pub fn leaf_count_to_mmr_size(leaf_count: usize) -> usize {
+    2 * leaf_count - leaf_count_to_peaks_count(leaf_count) as usize
+}
+
 pub fn leaf_count_to_append_no_merges(leaf_count: usize) -> usize {
     count_trailing_ones(leaf_count)
 }