From bbe889e9c39e64caf5fcf2cbb5a896356bbb2dc4 Mon Sep 17 00:00:00 2001
From: thiolliere <gui.thiolliere@gmail.com>
Date: Mon, 21 Oct 2019 11:44:26 +0200
Subject: [PATCH] Fix inconsistent head_data (#18)
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* fix

* Update consensus/src/lib.rs

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>
---
 cumulus/consensus/src/lib.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/cumulus/consensus/src/lib.rs b/cumulus/consensus/src/lib.rs
index 97d3111564..5e9776b471 100644
--- a/cumulus/consensus/src/lib.rs
+++ b/cumulus/consensus/src/lib.rs
@@ -98,10 +98,9 @@ pub fn follow_polkadot<L, P>(para_id: ParaId, local: Arc<L>, polkadot: P)
 
 		finalized_heads
 			.map(|head_data| {
-				<Option<<L::Block as BlockT>::Header>>::decode(&mut &head_data[..])
+				<<L::Block as BlockT>::Header>::decode(&mut &head_data[..])
 					.map_err(|_| Error::InvalidHeadData)
 			})
-			.try_filter_map(|h| future::ready(Ok(h)))
 			.try_for_each(move |p_head| {
 				future::ready(local.finalize(p_head.hash()).map_err(Error::Client).map(|_| ()))
 			})