Merge branch 'master' into tx_queue_live

Conflicts:
	miner/src/miner.rs

Cargo.lock

@@ -2,7 +2,7 @@
 name = "parity"
 version = "1.1.0"
 dependencies = [
- "clippy 0.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "ctrlc 1.1.1 (git+https://github.com/tomusdrw/rust-ctrlc.git)",
  "daemonize 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "docopt 0.6.78 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -96,11 +96,12 @@ dependencies = [
 
 [[package]]
 name = "clippy"
-version = "0.0.50"
+version = "0.0.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "regex-syntax 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-normalization 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -209,7 +210,7 @@ dependencies = [
 name = "ethcore"
 version = "1.1.0"
 dependencies = [
- "clippy 0.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethash 1.1.0",
@@ -235,7 +236,7 @@ dependencies = [
 name = "ethcore-rpc"
 version = "1.1.0"
 dependencies = [
- "clippy 0.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethash 1.1.0",
  "ethcore 1.1.0",
  "ethcore-util 1.1.0",
@@ -259,7 +260,7 @@ dependencies = [
  "arrayvec 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "bigint 0.1.0",
  "chrono 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "clippy 0.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "elastic-array 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -303,7 +304,7 @@ dependencies = [
 name = "ethminer"
 version = "1.1.0"
 dependencies = [
- "clippy 0.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.1.0",
  "ethcore-util 1.1.0",
@@ -317,7 +318,7 @@ dependencies = [
 name = "ethsync"
 version = "1.1.0"
 dependencies = [
- "clippy 0.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.1.0",
  "ethcore-util 1.1.0",
@@ -709,11 +710,6 @@ dependencies = [
  "utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "regex-syntax"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "regex-syntax"
 version = "0.3.0"
@@ -895,6 +891,14 @@ name = "tiny-keccak"
 version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "toml"
+version = "0.1.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "traitobject"
 version = "0.0.1"

Cargo.toml

@@ -20,7 +20,7 @@ fdlimit = { path = "util/fdlimit" }
 daemonize = "0.2"
 number_prefix = "0.2"
 rpassword = "0.1"
-clippy = { version = "0.0.50", optional = true }
+clippy = { version = "0.0.54", optional = true }
 ethcore = { path = "ethcore" }
 ethcore-util = { path = "util" }
 ethsync = { path = "sync" }

ethcore/Cargo.toml

@@ -17,7 +17,7 @@ ethcore-util = { path = "../util" }
 evmjit = { path = "../evmjit", optional = true }
 ethash = { path = "../ethash" }
 num_cpus = "0.2"
-clippy = { version = "0.0.50", optional = true }
+clippy = { version = "0.0.54", optional = true }
 crossbeam = "0.1.5"
 lazy_static = "0.1"
 ethcore-devtools = { path = "../devtools" }

ethcore/src/client/client.rs

@@ -391,7 +391,8 @@ impl<V> BlockChainClient for Client<V> where V: Verifier {
 	}
 
 	// TODO [todr] Should be moved to miner crate eventually.
-	fn prepare_sealing(&self, author: Address, gas_floor_target: U256, extra_data: Bytes, transactions: Vec<SignedTransaction>) -> Option<ClosedBlock> {
+	fn prepare_sealing(&self, author: Address, gas_floor_target: U256, extra_data: Bytes, transactions: Vec<SignedTransaction>)
+		-> Option<(ClosedBlock, HashSet<H256>)> {
 		let engine = self.engine.deref().deref();
 		let h = self.chain.best_block_hash();
 
@@ -417,21 +418,40 @@ impl<V> BlockChainClient for Client<V> where V: Verifier {
 
 		// Add transactions
 		let block_number = b.block().header().number();
+		let min_tx_gas = U256::from(self.engine.schedule(&b.env_info()).tx_gas);
+		let mut invalid_transactions = HashSet::new();
+
 		for tx in transactions {
+			// Push transaction to block
+			let hash = tx.hash();
 			let import = b.push_transaction(tx, None);
-			if let Err(e) = import {
+
-				trace!("Error adding transaction to block: number={}. Error: {:?}", block_number, e);
+			match import {
+				Err(Error::Execution(ExecutionError::BlockGasLimitReached { gas_limit, gas_used, .. })) => {
+					trace!(target: "miner", "Skipping adding transaction to block because of gas limit: {:?}", hash);
+					// Exit early if gas left is smaller then min_tx_gas
+					if gas_limit - gas_used < min_tx_gas {
+						break;
+					}
+				},
+				Err(e) => {
+					invalid_transactions.insert(hash);
+					trace!(target: "miner",
+						   "Error adding transaction to block: number={}. transaction_hash={:?}, Error: {:?}",
+						   block_number, hash, e);
+				},
+				_ => {}
 			}
 		}
 
 		// And close
 		let b = b.close();
-		trace!("Sealing: number={}, hash={}, diff={}",
+		trace!(target: "miner", "Sealing: number={}, hash={}, diff={}",
 			   b.block().header().number(),
 			   b.hash(),
 			   b.block().header().difficulty()
 		);
-		Some(b)
+		Some((b, invalid_transactions))
 	}
 
 	fn block_header(&self, id: BlockId) -> Option<Bytes> {

ethcore/src/client/mod.rs

@@ -26,6 +26,7 @@ pub use self::config::{ClientConfig, BlockQueueConfig, BlockChainConfig};
 pub use self::ids::{BlockId, TransactionId};
 pub use self::test_client::{TestBlockChainClient, EachBlockWith};
 
+use std::collections::HashSet;
 use util::bytes::Bytes;
 use util::hash::{Address, H256, H2048};
 use util::numbers::U256;
@@ -110,7 +111,8 @@ pub trait BlockChainClient : Sync + Send {
 
 	// TODO [todr] Should be moved to miner crate eventually.
 	/// Returns ClosedBlock prepared for sealing.
-	fn prepare_sealing(&self, author: Address, gas_floor_target: U256, extra_data: Bytes, transactions: Vec<SignedTransaction>) -> Option<ClosedBlock>;
+	fn prepare_sealing(&self, author: Address, gas_floor_target: U256, extra_data: Bytes, transactions: Vec<SignedTransaction>)
+		-> Option<(ClosedBlock, HashSet<H256>)>;
 
 	// TODO [todr] Should be moved to miner crate eventually.
 	/// Attempts to seal given block. Returns `SealedBlock` on success and the same block in case of error.

ethcore/src/client/test_client.rs

@@ -111,6 +111,7 @@ impl TestBlockChainClient {
 			header.difficulty = From::from(n);
 			header.parent_hash = self.last_hash.read().unwrap().clone();
 			header.number = n as BlockNumber;
+			header.gas_limit = U256::from(1_000_000);
 			let uncles = match with {
 				EachBlockWith::Uncle | EachBlockWith::UncleAndTransaction => {
 					let mut uncles = RlpStream::new_list(1);
@@ -217,7 +218,7 @@ impl BlockChainClient for TestBlockChainClient {
 		unimplemented!();
 	}
 
-	fn prepare_sealing(&self, _author: Address, _gas_floor_target: U256, _extra_data: Bytes, _transactions: Vec<SignedTransaction>) -> Option<ClosedBlock> {
+	fn prepare_sealing(&self, _author: Address, _gas_floor_target: U256, _extra_data: Bytes, _transactions: Vec<SignedTransaction>) -> Option<(ClosedBlock, HashSet<H256>)> {
 		unimplemented!()
 	}
 

ethcore/src/error.rs

@@ -83,6 +83,13 @@ pub enum TransactionError {
 		/// Transaction cost
 		cost: U256,
 	},
+	/// Transactions gas is higher then current gas limit
+	GasLimitExceeded {
+		/// Current gas limit
+		limit: U256,
+		/// Declared transaction gas
+		got: U256,
+	},
 	/// Transaction's gas limit (aka gas) is invalid.
 	InvalidGasLimit(OutOfBounds<U256>),
 }

ethcore/src/evm/ext.rs

@@ -67,6 +67,7 @@ pub trait Ext {
 	/// Returns Err, if we run out of gas.
 	/// Otherwise returns call_result which contains gas left
 	/// and true if subcall was successfull.
+	#[cfg_attr(feature="dev", allow(too_many_arguments))]
 	fn call(&mut self,
 			gas: &U256,
 			sender_address: &Address,

ethcore/src/evm/interpreter.rs

@@ -521,6 +521,7 @@ impl Interpreter {
 		Ok(overflowing!(offset.overflowing_add(size.clone())))
 	}
 
+	#[cfg_attr(feature="dev", allow(too_many_arguments))]
 	fn exec_instruction(&self,
 						gas: Gas,
 						params: &ActionParams,

ethcore/src/tests/client.rs

@@ -144,7 +144,7 @@ fn can_mine() {
 	let client_result = get_test_client_with_blocks(vec![dummy_blocks[0].clone()]);
 	let client = client_result.reference();
 
-	let b = client.prepare_sealing(Address::default(), x!(31415926), vec![], vec![]).unwrap();
+	let b = client.prepare_sealing(Address::default(), x!(31415926), vec![], vec![]).unwrap().0;
 
 	assert_eq!(*b.block().header().parent_hash(), BlockView::new(&dummy_blocks[0]).header_view().sha3());
 	assert!(client.try_seal(b, vec![]).is_ok());

json/Cargo.toml

@@ -10,7 +10,7 @@ rustc-serialize = "0.3"
 serde = "0.7.0"
 serde_json = "0.7.0"
 serde_macros = { version = "0.7.0", optional = true }
-clippy = { version = "0.0.50", optional = true }
+clippy = { version = "0.0.54", optional = true }
 
 [build-dependencies]
 serde_codegen = { version = "0.7.0", optional = true }

miner/Cargo.toml

@@ -17,7 +17,7 @@ log = "0.3"
 env_logger = "0.3"
 rustc-serialize = "0.3"
 rayon = "0.3.1"
-clippy = { version = "0.0.50", optional = true }
+clippy = { version = "0.0.54", optional = true }
 
 [features]
 default = []

miner/src/miner.rs

@@ -21,7 +21,7 @@ use std::sync::atomic::AtomicBool;
 use std::collections::HashSet;
 
 use util::{H256, U256, Address, Bytes, Uint};
-use ethcore::views::{BlockView};
+use ethcore::views::{BlockView, HeaderView};
 use ethcore::client::{BlockChainClient, BlockId};
 use ethcore::block::{ClosedBlock, IsBlock};
 use ethcore::error::{Error};
@@ -98,7 +98,6 @@ impl Miner {
 	/// Prepares new block for sealing including top transactions from queue.
 	pub fn prepare_sealing(&self, chain: &BlockChainClient) {
 		let transactions = self.transaction_queue.lock().unwrap().top_transactions();
-
 		let b = chain.prepare_sealing(
 			self.author(),
 			self.gas_floor_target(),
@@ -106,7 +105,23 @@ impl Miner {
 			transactions,
 		);
 
-		*self.sealing_block.lock().unwrap() = b;
+		*self.sealing_block.lock().unwrap() = b.map(|(block, invalid_transactions)| {
+			let mut queue = self.transaction_queue.lock().unwrap();
+			queue.remove_all(
+				&invalid_transactions.into_iter().collect::<Vec<H256>>(),
+				|a: &Address| AccountDetails {
+					nonce: chain.nonce(a),
+					balance: chain.balance(a),
+				}
+			);
+			block
+		});
+	}
+
+	fn update_gas_limit(&self, chain: &BlockChainClient) {
+		let gas_limit = HeaderView::new(&chain.best_block_header()).gas_limit();
+		let mut queue = self.transaction_queue.lock().unwrap();
+		queue.set_gas_limit(gas_limit);
 	}
 }
 
@@ -183,6 +198,11 @@ impl MinerService for Miner {
 			let block = BlockView::new(&block);
 			block.transactions()
 		}
+
+		// First update gas limit in transaction queue
+		self.update_gas_limit(chain);
+
+		// Then import all transactions...
 		{
 			let out_of_chain = retracted
 				.par_iter()
@@ -199,7 +219,8 @@ impl MinerService for Miner {
 				});
 			});
 		}
-		// First import all transactions and after that remove old ones
+
+		// ...and after that remove old ones
 		{
 			let in_chain = {
 				let mut in_chain = HashSet::new();

miner/src/transaction_queue.rs

@@ -252,10 +252,16 @@ pub struct AccountDetails {
 	pub balance: U256,
 }
 
+
+/// Transactions with `gas > (gas_limit + gas_limit * Factor(in percents))` are not imported to the queue.
+const GAS_LIMIT_HYSTERESIS: usize = 10; // %
+
 /// TransactionQueue implementation
 pub struct TransactionQueue {
 	/// Gas Price threshold for transactions that can be imported to this queue (defaults to 0)
 	minimal_gas_price: U256,
+	/// Current gas limit (block gas limit * factor). Transactions above the limit will not be accepted (default to !0)
+	gas_limit: U256,
 	/// Priority queue for transactions that can go to block
 	current: TransactionSet,
 	/// Priority queue for transactions that has been received but are not yet valid to go to block
@@ -293,6 +299,7 @@ impl TransactionQueue {
 
 		TransactionQueue {
 			minimal_gas_price: U256::zero(),
+			gas_limit: !U256::zero(),
 			current: current,
 			future: future,
 			by_hash: HashMap::new(),
@@ -301,13 +308,22 @@ impl TransactionQueue {
 	}
 
 	/// Sets new gas price threshold for incoming transactions.
-	/// Any transactions already imported to the queue are not affected.
+	/// Any transaction already imported to the queue is not affected.
 	pub fn set_minimal_gas_price(&mut self, min_gas_price: U256) {
 		self.minimal_gas_price = min_gas_price;
 	}
 
-	// Will be used when rpc merged
+	/// Sets new gas limit. Transactions with gas slightly (`GAS_LIMIT_HYSTERESIS`) above the limit won't be imported.
-	#[allow(dead_code)]
+	/// Any transaction already imported to the queue is not affected.
+	pub fn set_gas_limit(&mut self, gas_limit: U256) {
+		let extra = gas_limit / U256::from(GAS_LIMIT_HYSTERESIS);
+
+		self.gas_limit = match gas_limit.overflowing_add(extra) {
+			(_, true) => !U256::zero(),
+			(val, false) => val,
+		};
+	}
+
 	/// Returns current status for this queue
 	pub fn status(&self) -> TransactionQueueStatus {
 		TransactionQueueStatus {
@@ -337,12 +353,24 @@ impl TransactionQueue {
 				tx.hash(), tx.gas_price, self.minimal_gas_price
 			);
 
-			return Err(Error::Transaction(TransactionError::InsufficientGasPrice{
+			return Err(Error::Transaction(TransactionError::InsufficientGasPrice {
 				minimal: self.minimal_gas_price,
 				got: tx.gas_price,
 			}));
 		}
 
+		if tx.gas > self.gas_limit {
+			trace!(target: "miner",
+				"Dropping transaction above gas limit: {:?} ({} > {})",
+				tx.hash(), tx.gas, self.gas_limit
+			);
+
+			return Err(Error::Transaction(TransactionError::GasLimitExceeded {
+				limit: self.gas_limit,
+				got: tx.gas,
+			}));
+		}
+
 
 		let vtx = try!(VerifiedTransaction::new(tx));
 		let account = fetch_account(&vtx.sender());
@@ -455,8 +483,6 @@ impl TransactionQueue {
 		self.future.enforce_limit(&mut self.by_hash);
 	}
 
-	// Will be used when mining merged
-	#[allow(dead_code)]
 	/// Returns top transactions from the queue ordered by priority.
 	pub fn top_transactions(&self) -> Vec<SignedTransaction> {
 		self.current.by_priority
@@ -683,6 +709,37 @@ mod test {
 		assert_eq!(stats.pending, 1);
 	}
 
+	#[test]
+	fn gas_limit_should_never_overflow() {
+		// given
+		let mut txq = TransactionQueue::new();
+		txq.set_gas_limit(U256::zero());
+		assert_eq!(txq.gas_limit, U256::zero());
+
+		// when
+		txq.set_gas_limit(!U256::zero());
+
+		// then
+		assert_eq!(txq.gas_limit, !U256::zero());
+	}
+
+	#[test]
+	fn should_not_import_transaction_above_gas_limit() {
+		// given
+		let mut txq = TransactionQueue::new();
+		let tx = new_tx();
+		txq.set_gas_limit(tx.gas / U256::from(2));
+
+		// when
+		txq.add(tx, &default_nonce).unwrap_err();
+
+		// then
+		let stats = txq.status();
+		assert_eq!(stats.pending, 0);
+		assert_eq!(stats.future, 0);
+	}
+
+
 	#[test]
 	fn should_drop_transactions_from_senders_without_balance() {
 		// given

parity/main.rs

@@ -370,7 +370,7 @@ impl Configuration {
 
 	fn init_nodes(&self, spec: &Spec) -> Vec<String> {
 		match self.args.flag_bootnodes {
-			Some(ref x) if x.len() > 0 => x.split(',').map(|s| {
+			Some(ref x) if !x.is_empty() => x.split(',').map(|s| {
 				Self::normalize_enode(s).unwrap_or_else(|| {
 					die!("{}: Invalid node address format given for a boot node.", s)
 				})
@@ -409,6 +409,7 @@ impl Configuration {
 		ret
 	}
 
+	#[cfg_attr(feature="dev", allow(useless_format))]
 	fn client_config(&self) -> ClientConfig {
 		let mut client_config = ClientConfig::default();
 		match self.args.flag_cache {

rpc/Cargo.toml

@@ -22,7 +22,7 @@ ethminer = { path = "../miner" }
 rustc-serialize = "0.3"
 transient-hashmap = "0.1"
 serde_macros = { version = "0.7.0", optional = true }
-clippy = { version = "0.0.50", optional = true }
+clippy = { version = "0.0.54", optional = true }
 
 [build-dependencies]
 serde_codegen = { version = "0.7.0", optional = true }

sync/Cargo.toml

@@ -10,7 +10,7 @@ authors = ["Ethcore <admin@ethcore.io"]
 [dependencies]
 ethcore-util = { path = "../util" }
 ethcore = { path = "../ethcore" }
-clippy = { version = "0.0.50", optional = true }
+clippy = { version = "0.0.54", optional = true }
 ethminer = { path = "../miner" }
 log = "0.3"
 env_logger = "0.3"

util/Cargo.toml

@@ -27,7 +27,7 @@ crossbeam = "0.2"
 slab = "0.1"
 sha3 = { path = "sha3" }
 serde = "0.7.0"
-clippy = { version = "0.0.50", optional = true }
+clippy = { version = "0.0.54", optional = true }
 json-tests = { path = "json-tests" }
 igd = "0.4.2"
 ethcore-devtools = { path = "../devtools" }

util/src/journaldb/archivedb.rs

@@ -175,6 +175,8 @@ impl JournalDB for ArchiveDB {
 
 #[cfg(test)]
 mod tests {
+	#![cfg_attr(feature="dev", allow(blacklisted_name))]
+
 	use common::*;
 	use super::*;
 	use hashdb::*;
@@ -371,7 +373,7 @@ mod tests {
 			jdb.commit(5, &b"5".sha3(), Some((4, b"4".sha3()))).unwrap();
 		}
 	}
-	
+
 	#[test]
 	fn reopen_fork() {
 		let mut dir = ::std::env::temp_dir();

util/src/journaldb/earlymergedb.rs

@@ -527,6 +527,8 @@ impl JournalDB for EarlyMergeDB {
 
 #[cfg(test)]
 mod tests {
+	#![cfg_attr(feature="dev", allow(blacklisted_name))]
+
 	use common::*;
 	use super::*;
 	use super::super::traits::JournalDB;

util/src/journaldb/overlayrecentdb.rs

@@ -358,6 +358,8 @@ impl HashDB for OverlayRecentDB {
 
 #[cfg(test)]
 mod tests {
+	#![cfg_attr(feature="dev", allow(blacklisted_name))]
+
 	use common::*;
 	use super::*;
 	use hashdb::*;

util/src/journaldb/refcounteddb.rs

@@ -28,7 +28,7 @@ use std::env;
 /// Implementation of the HashDB trait for a disk-backed database with a memory overlay
 /// and latent-removal semantics.
 ///
-/// Like OverlayDB, there is a memory overlay; `commit()` must be called in order to 
+/// Like OverlayDB, there is a memory overlay; `commit()` must be called in order to
 /// write operations out to disk. Unlike OverlayDB, `remove()` operations do not take effect
 /// immediately. Rather some age (based on a linear but arbitrary metric) must pass before
 /// the removals actually take effect.
@@ -113,7 +113,7 @@ impl JournalDB for RefCountedDB {
 	}
 
 	fn commit(&mut self, now: u64, id: &H256, end: Option<(u64, H256)>) -> Result<u32, UtilError> {
-		// journal format: 
+		// journal format:
 		// [era, 0] => [ id, [insert_0, ...], [remove_0, ...] ]
 		// [era, 1] => [ id, [insert_0, ...], [remove_0, ...] ]
 		// [era, n] => [ ... ]
@@ -121,7 +121,7 @@ impl JournalDB for RefCountedDB {
 		// TODO: store last_era, reclaim_period.
 
 		// when we make a new commit, we journal the inserts and removes.
-		// for each end_era that we journaled that we are no passing by, 
+		// for each end_era that we journaled that we are no passing by,
 		// we remove all of its removes assuming it is canonical and all
 		// of its inserts otherwise.
 
@@ -147,7 +147,7 @@ impl JournalDB for RefCountedDB {
 			r.append(&self.inserts);
 			r.append(&self.removes);
 			try!(batch.put(&last, r.as_raw()));
-			
+
 			trace!(target: "rcdb", "new journal for time #{}.{} => {}: inserts={:?}, removes={:?}", now, index, id, self.inserts, self.removes);
 
 			self.inserts.clear();
@@ -194,6 +194,8 @@ impl JournalDB for RefCountedDB {
 
 #[cfg(test)]
 mod tests {
+	#![cfg_attr(feature="dev", allow(blacklisted_name))]
+
 	use common::*;
 	use super::*;
 	use super::super::traits::JournalDB;

util/src/misc.rs

@@ -88,7 +88,7 @@ pub fn version_data() -> Bytes {
 		u32::from_str(env!("CARGO_PKG_VERSION_PATCH")).unwrap();
 	s.append(&v);
 	s.append(&"Parity");
-	s.append(&format!("{}", rustc_version()));
+	s.append(&rustc_version());
 	s.append(&&Target::os()[0..2]);
 	s.out()
 }

util/src/network/ip_utils.rs

@@ -42,7 +42,7 @@ impl SocketAddrExt for Ipv4Addr {
 
 	fn is_global_s(&self) -> bool {
 		!self.is_private() && !self.is_loopback() && !self.is_link_local() &&
-			!self.is_broadcast() && !self.is_documentation() 
+			!self.is_broadcast() && !self.is_documentation()
 	}
 }
 
@@ -216,6 +216,8 @@ fn can_map_external_address_or_fail() {
 
 #[test]
 fn ipv4_properties() {
+
+	#![cfg_attr(feature="dev", allow(too_many_arguments))]
 	fn check(octets: &[u8; 4], unspec: bool, loopback: bool,
 			 private: bool, link_local: bool, global: bool,
 			 multicast: bool, broadcast: bool, documentation: bool) {
@@ -262,7 +264,7 @@ fn ipv6_properties() {
 		assert_eq!(ip.is_global_s(), global);
 	}
 
-	//    unspec loopbk global 
+	//    unspec loopbk global
 	check("::", true,  false, true);
 	check("::1", false, true, false);
 }