Migrate srml-assets, srml-aura, srml-balances and srml-consens to the 2018 edition (#1633)

substrate/srml/consensus/src/lib.rs

@@ -18,27 +18,13 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
-extern crate sr_std as rstd;
-
 #[macro_use]
 extern crate srml_support as runtime_support;
 
-extern crate parity_codec;
-#[macro_use]
-extern crate parity_codec_derive;
-
-extern crate sr_primitives as primitives;
-extern crate parity_codec as codec;
-extern crate srml_system as system;
-extern crate substrate_primitives;
-
-#[cfg(test)]
-extern crate sr_io as runtime_io;
-
-extern crate substrate_inherents as inherents;
-
 use rstd::prelude::*;
-use parity_codec::Encode;
+use parity_codec as codec;
+use codec::Encode;
+use parity_codec_derive::{Encode, Decode};
 use runtime_support::{storage, Parameter};
 use runtime_support::storage::StorageValue;
 use runtime_support::storage::unhashed::StorageVec;

substrate/srml/consensus/src/mock.rs

@@ -21,7 +21,7 @@
 use primitives::{BuildStorage, traits::IdentityLookup, testing::{Digest, DigestItem, Header, UintAuthorityId}};
 use runtime_io;
 use substrate_primitives::{H256, Blake2Hasher};
-use {GenesisConfig, Trait, Module, system};
+use crate::{GenesisConfig, Trait, Module};
 
 impl_outer_origin!{
 	pub enum Origin for Test {}
@@ -33,7 +33,7 @@ pub struct Test;
 impl Trait for Test {
 	type Log = DigestItem;
 	type SessionKey = UintAuthorityId;
-	type InherentOfflineReport = ::InstantFinalityReportVec<()>;
+	type InherentOfflineReport = crate::InstantFinalityReportVec<()>;
 }
 impl system::Trait for Test {
 	type Origin = Origin;

substrate/srml/consensus/src/tests.rs

@@ -20,7 +20,7 @@
 
 use primitives::{generic, testing::{self, UintAuthorityId}, traits::OnFinalise};
 use runtime_io::with_externalities;
-use mock::{Consensus, System, new_test_ext};
+use crate::mock::{Consensus, System, new_test_ext};
 use inherents::{InherentData, ProvideInherent};
 
 #[test]