From f52d66a13662e0c67e751d444937b2a40a530135 Mon Sep 17 00:00:00 2001
From: Paul Hauner <paul@paulhauner.com>
Date: Thu, 6 Jun 2019 00:31:18 -0400
Subject: [PATCH] Fix bug in rev block iter

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

diff --git a/beacon_node/beacon_chain/src/iter.rs b/beacon_node/beacon_chain/src/iter.rs
index da939be2a..a05e4186c 100644
--- a/beacon_node/beacon_chain/src/iter.rs
+++ b/beacon_node/beacon_chain/src/iter.rs
@@ -53,7 +53,7 @@ impl<T: EthSpec, U: Store> Iterator for BlockRootsIterator<T, U> {
     type Item = Hash256;
 
     fn next(&mut self) -> Option<Self::Item> {
-        if self.slot == 0 {
+        if (self.slot == 0) || (self.slot > self.beacon_state.slot) {
             return None;
         }