From 0b4c3d03ee7e4a6be6541090e88f11a22f499393 Mon Sep 17 00:00:00 2001
From: Wei Tang <hi@that.world>
Date: Wed, 18 Dec 2019 11:57:47 -0800
Subject: [PATCH] Fix unused imports (#194)

---
 blockchain/network/src/handler.rs | 3 +--
 blockchain/network/src/service.rs | 1 -
 blockchain/src/main.rs            | 1 -
 3 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/blockchain/network/src/handler.rs b/blockchain/network/src/handler.rs
index fe2a6229..9c520e59 100644
--- a/blockchain/network/src/handler.rs
+++ b/blockchain/network/src/handler.rs
@@ -1,5 +1,4 @@
 use core::marker::PhantomData;
-use core::cmp;
 use blockchain::{Auxiliary, Block as BlockT, AsExternalities};
 use blockchain::backend::{Store, SharedCommittable, ChainQuery, ImportLock};
 use beacon::{Config, types::BeaconBlock, primitives::H256};
@@ -79,7 +78,7 @@ impl<C, Ba> Handler<C, Ba> where
 	}
 
 	pub fn blocks_by_slot(
-		&self, mut start_hash: H256, mut start_slot: u64, count: usize
+		&self, mut start_hash: H256, start_slot: u64, count: usize
 	) -> Vec<BeaconBlock<C>> {
 		let _ = self.import_lock.lock();
 
diff --git a/blockchain/network/src/service.rs b/blockchain/network/src/service.rs
index 25e4fcb3..44386fc1 100644
--- a/blockchain/network/src/service.rs
+++ b/blockchain/network/src/service.rs
@@ -27,7 +27,6 @@ use libp2p::core::{
     muxing::StreamMuxerBox,
     nodes::Substream,
     transport::boxed::Boxed,
-    upgrade::{InboundUpgradeExt, OutboundUpgradeExt},
 };
 use libp2p::{core, secio, PeerId, Swarm, Transport};
 use libp2p::gossipsub::Topic;
diff --git a/blockchain/src/main.rs b/blockchain/src/main.rs
index a43ebda9..cd586546 100644
--- a/blockchain/src/main.rs
+++ b/blockchain/src/main.rs
@@ -201,7 +201,6 @@ fn main_with_config<C: Config>(matches: ArgMatches, preset: Option<Preset>) wher
 
 	if let Some(validator_keys) = matches.value_of("validator-keys") {
 		const PRIVATE_KEY_BYTES: usize = 48;
-		const PUBLIC_KEY_BYTES: usize = 48;
 
 		let file = File::open(validator_keys).unwrap();
 		let coll = serde_yaml::from_reader::<_, Vec<ValidatorKey>>(BufReader::new(file)).unwrap();
-- 
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