From f5f4736e7c44aa661601119a6481002f389fa5e9 Mon Sep 17 00:00:00 2001
From: debris <marek.kotewicz@gmail.com>
Date: Wed, 31 Aug 2016 17:36:49 +0200
Subject: [PATCH] simplified iterator

---
 ethcore/src/blockchain/blockchain.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ethcore/src/blockchain/blockchain.rs b/ethcore/src/blockchain/blockchain.rs
index 1ca441e69..943dc04c5 100644
--- a/ethcore/src/blockchain/blockchain.rs
+++ b/ethcore/src/blockchain/blockchain.rs
@@ -975,8 +975,8 @@ impl BlockChain {
 			},
 			BlockLocation::BranchBecomingCanonChain(ref data) => {
 				let addresses = data.enacted.iter()
-					.map(|hash| (hash, self.block_body(hash).unwrap()))
-					.flat_map(|(hash, bytes)| {
+					.flat_map(|hash| {
+						let bytes = self.block_body(hash).expect("Enacted block must be in database.");
 						let hashes = BodyView::new(&bytes).transaction_hashes();
 						hashes.into_iter()
 							.enumerate()