Remove annoying compiler warnings (#10679)

accounts/Cargo.toml

@@ -8,7 +8,6 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-common-types = { path = "../ethcore/types" }
 ethkey = { path = "ethkey" }
 ethstore = { path = "ethstore" }
 log = "0.4"

accounts/ethstore/src/accounts_dir/disk.rs

@@ -61,7 +61,6 @@ pub fn find_unique_filename_using_random_suffix(parent_path: &Path, original_fil
 /// Create a new file and restrict permissions to owner only. It errors if the file already exists.
 #[cfg(unix)]
 pub fn create_new_file_with_permissions_to_owner(file_path: &Path) -> io::Result<fs::File> {
-	use libc;
 	use std::os::unix::fs::OpenOptionsExt;
 
 	fs::OpenOptions::new()
@@ -83,7 +82,6 @@ pub fn create_new_file_with_permissions_to_owner(file_path: &Path) -> io::Result
 /// Create a new file and restrict permissions to owner only. It replaces the existing file if it already exists.
 #[cfg(unix)]
 pub fn replace_file_with_permissions_to_owner(file_path: &Path) -> io::Result<fs::File> {
-	use libc;
 	use std::os::unix::fs::PermissionsExt;
 
 	let file = fs::File::create(file_path)?;

accounts/src/lib.rs

@@ -28,14 +28,13 @@ use self::stores::AddressBook;
 use std::collections::HashMap;
 use std::time::{Instant, Duration};
 
-use common_types::transaction::{Action, Transaction};
 use ethkey::{Address, Message, Public, Secret, Password, Random, Generator};
 use ethstore::accounts_dir::MemoryDirectory;
 use ethstore::{
 	SimpleSecretStore, SecretStore, EthStore, EthMultiStore,
 	random_string, SecretVaultRef, StoreAccountRef, OpaqueSecret,
 };
-use log::{warn, debug};
+use log::warn;
 use parking_lot::RwLock;
 
 pub use ethkey::Signature;

ethcore/node-filter/src/lib.rs

@@ -106,8 +106,8 @@ impl ConnectionFilter for NodeFilter {
 			});
 		let mut cache = self.cache.write();
 		if cache.cache.len() == CACHE_SIZE {
-			let poped = cache.order.pop_front().unwrap();
-			cache.cache.remove(&poped).is_none();
+			let popped = cache.order.pop_front().expect("the cache is full so there's at least one item we can pop; qed");
+			cache.cache.remove(&popped);
 		};
 		if cache.cache.insert(*connecting_id, allowed).is_none() {
 			cache.order.push_back(*connecting_id);

ethcore/src/spec/spec.rs

@@ -847,8 +847,6 @@ impl Spec {
 	/// constructor.
 	pub fn genesis_epoch_data(&self) -> Result<Vec<u8>, String> {
 		use types::transaction::{Action, Transaction};
-		use journaldb;
-		use kvdb_memorydb;
 
 		let genesis = self.genesis_header();
 

ethcore/sync/src/chain/sync_packet.rs

@@ -25,37 +25,37 @@
 use api::{ETH_PROTOCOL, WARP_SYNC_PROTOCOL_ID};
 use network::{PacketId, ProtocolId};
 
-/// An enum that defines all known packet ids in the context of
-/// synchronization and provides a mechanism to convert from
-/// packet ids (of type PacketId or u8) directly read from the network
-/// to enum variants. This implicitly provides a mechanism to
-/// check whether a given packet id is known, and to prevent
-/// packet id clashes when defining new ids.
 enum_from_primitive! {
-#[derive(Clone, Copy, Debug, PartialEq)]
-pub enum SyncPacket {
-	StatusPacket = 0x00,
-	NewBlockHashesPacket = 0x01,
-	TransactionsPacket = 0x02,
-	GetBlockHeadersPacket = 0x03,
-	BlockHeadersPacket = 0x04,
-	GetBlockBodiesPacket = 0x05,
-	BlockBodiesPacket = 0x06,
-	NewBlockPacket = 0x07,
-
-	GetNodeDataPacket = 0x0d,
-	NodeDataPacket = 0x0e,
-	GetReceiptsPacket = 0x0f,
-	ReceiptsPacket = 0x10,
-
-	GetSnapshotManifestPacket = 0x11,
-	SnapshotManifestPacket = 0x12,
-	GetSnapshotDataPacket = 0x13,
-	SnapshotDataPacket = 0x14,
-	ConsensusDataPacket = 0x15,
-	PrivateTransactionPacket = 0x16,
-	SignedPrivateTransactionPacket = 0x17,
-}
+	/// An enum that defines all known packet ids in the context of
+	/// synchronization and provides a mechanism to convert from
+	/// packet ids (of type PacketId or u8) directly read from the network
+	/// to enum variants. This implicitly provides a mechanism to
+	/// check whether a given packet id is known, and to prevent
+	/// packet id clashes when defining new ids.
+	#[derive(Clone, Copy, Debug, PartialEq)]
+	pub enum SyncPacket {
+		StatusPacket = 0x00,
+		NewBlockHashesPacket = 0x01,
+		TransactionsPacket = 0x02,
+		GetBlockHeadersPacket = 0x03,
+		BlockHeadersPacket = 0x04,
+		GetBlockBodiesPacket = 0x05,
+		BlockBodiesPacket = 0x06,
+		NewBlockPacket = 0x07,
+
+		GetNodeDataPacket = 0x0d,
+		NodeDataPacket = 0x0e,
+		GetReceiptsPacket = 0x0f,
+		ReceiptsPacket = 0x10,
+
+		GetSnapshotManifestPacket = 0x11,
+		SnapshotManifestPacket = 0x12,
+		GetSnapshotDataPacket = 0x13,
+		SnapshotDataPacket = 0x14,
+		ConsensusDataPacket = 0x15,
+		PrivateTransactionPacket = 0x16,
+		SignedPrivateTransactionPacket = 0x17,
+	}
 }
 
 use self::SyncPacket::*;

ethcore/types/src/views/view_rlp.rs

@@ -128,6 +128,7 @@ impl<'a, 'view> Iterator for ViewRlpIterator<'a, 'view> {
 }
 
 #[macro_export]
+/// Create a view into RLP-data
 macro_rules! view {
 	($view: ident, $bytes: expr) => {
 		$view::new($crate::views::ViewRlp::new($bytes, file!(), line!()))