From ebe0c002a9c88e6c25741b54d0c2f39af563bb7f Mon Sep 17 00:00:00 2001
From: Deirdre Connolly <deirdre@zfnd.org>
Date: Thu, 18 Mar 2021 10:19:47 -0400
Subject: [PATCH] Update zebra-chain/src/orchard/sinsemilla.rs

Co-authored-by: teor <teor@riseup.net>
---
 zebra-chain/src/orchard/sinsemilla.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/zebra-chain/src/orchard/sinsemilla.rs b/zebra-chain/src/orchard/sinsemilla.rs
index 0c593ce2f..4f2d7261c 100644
--- a/zebra-chain/src/orchard/sinsemilla.rs
+++ b/zebra-chain/src/orchard/sinsemilla.rs
@@ -63,8 +63,11 @@ fn S(j: [u8; 2]) -> pallas::Point {
 /// ‘MerkleCRH^Orchard Hash Function’).
 ///
 /// https://zips.z.cash/protocol/protocol.pdf#concretesinsemillahash
+///
+/// # Panics
+///
+/// If `M` is greater than `k*c = 2530` bits.
 #[allow(non_snake_case)]
-// XXX: M is a max of k*c = 2530 bits
 pub fn sinsemilla_hash_to_point(D: &[u8], M: &BitVec<Lsb0, u8>) -> pallas::Point {
     let k = 10;
     let c = 253;