From 5a8cde0598c06a9b65a9cc96ecf15a947acd02f0 Mon Sep 17 00:00:00 2001
From: Paul Hauner <paul@paulhauner.com>
Date: Thu, 20 Jun 2019 18:45:19 +1000
Subject: [PATCH] Change "canonical_root" of block to be signed root

---
 eth2/types/src/beacon_block.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/eth2/types/src/beacon_block.rs b/eth2/types/src/beacon_block.rs
index f823f234e5..709bf65e09 100644
--- a/eth2/types/src/beacon_block.rs
+++ b/eth2/types/src/beacon_block.rs
@@ -61,11 +61,11 @@ impl BeaconBlock {
         }
     }
 
-    /// Returns the `tree_hash_root | update` of the block.
+    /// Returns the `signed_root` of the block.
     ///
     /// Spec v0.6.3
     pub fn canonical_root(&self) -> Hash256 {
-        Hash256::from_slice(&self.tree_hash_root()[..])
+        Hash256::from_slice(&self.signed_root()[..])
     }
 
     /// Returns a full `BeaconBlockHeader` of this block.