From 3117a4481ef9d87c6b075d23b9ffef76516d008c Mon Sep 17 00:00:00 2001
From: cheatfate <eugene.kabanov@status.im>
Date: Thu, 28 Mar 2019 23:18:36 +0200
Subject: [PATCH] Remove unneeded initialization.

---
 beacon_chain/spec/digest.nim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/beacon_chain/spec/digest.nim b/beacon_chain/spec/digest.nim
index ad7926117..9bd098eaf 100644
--- a/beacon_chain/spec/digest.nim
+++ b/beacon_chain/spec/digest.nim
@@ -37,7 +37,9 @@ func shortLog*(x: Eth2Digest): string =
 
 func eth2hash*(v: openArray[byte]): Eth2Digest =
   var ctx: Eth2Hash
-  ctx.init()
+  # We can avoid this step for Keccak/SHA3 digests because `ctx` is already
+  # empty, but if digest will be changed next line must be enabled.
+  # ctx.init()
   ctx.update(v)
   result = ctx.finish()