Merge branch 'master' into refactor/hashdb-generic

* master:
  Fix subcrate test compile (#8862)
  network-devp2p: downgrade logging to debug, add target (#8784)
  Clearing up a comment about the prefix for signing (#8828)
  Disable parallel verification and skip verifiying already imported txs. (#8834)
  devp2p: Move UDP socket handling from Discovery to Host. (#8790)
  Fixed AuthorityRound deadlock on shutdown, closes #8088 (#8803)
  Specify critical release flag per network (#8821)
  Fix `deadlock_detection` feature branch compilation (#8824)
  Use system allocator when profiling memory (#8831)
  added from and to to Receipt (#8756)

Cargo.toml

@@ -98,6 +98,13 @@ slow-blocks = ["ethcore/slow-blocks"]
 secretstore = ["ethcore-secretstore"]
 final = ["parity-version/final"]
 deadlock_detection = ["parking_lot/deadlock_detection"]
+# to create a memory profile (requires nightly rust), use e.g.
+# `heaptrack /path/to/parity <parity params>`,
+# to visualize a memory profile, use `heaptrack_gui`
+# or
+# `valgrind --tool=massif /path/to/parity <parity params>`
+# and `massif-visualizer` for visualization
+memory_profiling = []
 
 [lib]
 path = "parity/lib.rs"

ethcore/light/Cargo.toml

@@ -38,6 +38,7 @@ memory-cache = { path = "../../util/memory_cache" }
 error-chain = { version = "0.11", default-features = false }
 
 [dev-dependencies]
+ethcore = { path = "..", features = ["test-helpers"] }
 kvdb-memorydb = { path = "../../util/kvdb-memorydb" }
 tempdir = "0.3"
 

ethcore/node_filter/Cargo.toml

@@ -19,6 +19,7 @@ ethabi-contract = "5.0"
 lru-cache = "0.1"
 
 [dev-dependencies]
+ethcore = { path = "..", features = ["test-helpers"] }
 kvdb-memorydb = { path = "../../util/kvdb-memorydb" }
 ethcore-io = { path = "../../util/io" }
 tempdir = "0.3"

ethcore/service/Cargo.toml

@@ -16,5 +16,6 @@ stop-guard = { path = "../../util/stop-guard" }
 trace-time = { path = "../../util/trace-time" }
 
 [dev-dependencies]
+ethcore = { path = "..", features = ["test-helpers"] }
 tempdir = "0.3"
 kvdb-rocksdb = { path = "../../util/kvdb-rocksdb" }

ethcore/src/client/client.rs

@@ -2339,6 +2339,11 @@ fn transaction_receipt(machine: &::machine::EthereumMachine, mut tx: LocalizedTr
 	let transaction_index = tx.transaction_index;
 
 	LocalizedReceipt {
+		from: sender,
+		to: match tx.action {
+				Action::Create => None,
+				Action::Call(ref address) => Some(address.clone().into())
+		},
 		transaction_hash: transaction_hash,
 		transaction_index: transaction_index,
 		block_hash: block_hash,
@@ -2464,6 +2469,11 @@ mod tests {
 
 		// then
 		assert_eq!(receipt, LocalizedReceipt {
+			from: tx1.sender().into(),
+			to: match tx1.action {
+				Action::Create => None,
+				Action::Call(ref address) => Some(address.clone().into())
+			},
 			transaction_hash: tx1.hash(),
 			transaction_index: 1,
 			block_hash: block_hash,

ethcore/src/engines/authority_round/mod.rs

@@ -382,12 +382,16 @@ impl Decodable for SealedEmptyStep {
 	}
 }
 
+struct PermissionedStep {
+	inner: Step,
+	can_propose: AtomicBool,
+}
+
 /// Engine using `AuthorityRound` proof-of-authority BFT consensus.
 pub struct AuthorityRound {
 	transition_service: IoService<()>,
-	step: Arc<Step>,
-	can_propose: AtomicBool,
-	client: RwLock<Option<Weak<EngineClient>>>,
+	step: Arc<PermissionedStep>,
+	client: Arc<RwLock<Option<Weak<EngineClient>>>>,
 	signer: RwLock<EngineSigner>,
 	validators: Box<ValidatorSet>,
 	validate_score_transition: u64,
@@ -407,15 +411,15 @@ pub struct AuthorityRound {
 
 // header-chain validator.
 struct EpochVerifier {
-	step: Arc<Step>,
+	step: Arc<PermissionedStep>,
 	subchain_validators: SimpleList,
 	empty_steps_transition: u64,
 }
 
 impl super::EpochVerifier<EthereumMachine> for EpochVerifier {
 	fn verify_light(&self, header: &Header) -> Result<(), Error> {
 		// Validate the timestamp
-		verify_timestamp(&*self.step, header_step(header, self.empty_steps_transition)?)?;
+		verify_timestamp(&self.step.inner, header_step(header, self.empty_steps_transition)?)?;
 		// always check the seal since it's fast.
 		// nothing heavier to do.
 		verify_external(header, &self.subchain_validators, self.empty_steps_transition)
@@ -615,13 +619,15 @@ impl AuthorityRound {
 		let engine = Arc::new(
 			AuthorityRound {
 				transition_service: IoService::<()>::start()?,
-				step: Arc::new(Step {
-					inner: AtomicUsize::new(initial_step),
-					calibrate: our_params.start_step.is_none(),
-					duration: our_params.step_duration,
+				step: Arc::new(PermissionedStep {
+					inner: Step {
+						inner: AtomicUsize::new(initial_step),
+						calibrate: our_params.start_step.is_none(),
+						duration: our_params.step_duration,
+					},
+					can_propose: AtomicBool::new(true),
 				}),
-				can_propose: AtomicBool::new(true),
-				client: RwLock::new(None),
+				client: Arc::new(RwLock::new(None)),
 				signer: Default::default(),
 				validators: our_params.validators,
 				validate_score_transition: our_params.validate_score_transition,
@@ -641,7 +647,10 @@ impl AuthorityRound {
 
 		// Do not initialize timeouts for tests.
 		if should_timeout {
-			let handler = TransitionHandler { engine: Arc::downgrade(&engine) };
+			let handler = TransitionHandler {
+				step: engine.step.clone(),
+				client: engine.client.clone(),
+			};
 			engine.transition_service.register_handler(Arc::new(handler))?;
 		}
 		Ok(engine)
@@ -666,7 +675,7 @@ impl AuthorityRound {
 	}
 
 	fn generate_empty_step(&self, parent_hash: &H256) {
-		let step = self.step.load();
+		let step = self.step.inner.load();
 		let empty_step_rlp = empty_step_rlp(step, parent_hash);
 
 		if let Ok(signature) = self.sign(keccak(&empty_step_rlp)).map(Into::into) {
@@ -698,34 +707,37 @@ fn unix_now() -> Duration {
 }
 
 struct TransitionHandler {
-	engine: Weak<AuthorityRound>,
+	step: Arc<PermissionedStep>,
+	client: Arc<RwLock<Option<Weak<EngineClient>>>>,
 }
 
 const ENGINE_TIMEOUT_TOKEN: TimerToken = 23;
 
 impl IoHandler<()> for TransitionHandler {
 	fn initialize(&self, io: &IoContext<()>) {
-		if let Some(engine) = self.engine.upgrade() {
-			let remaining = engine.step.duration_remaining().as_millis();
-			io.register_timer_once(ENGINE_TIMEOUT_TOKEN, Duration::from_millis(remaining))
-				.unwrap_or_else(|e| warn!(target: "engine", "Failed to start consensus step timer: {}.", e))
-		}
+		let remaining = self.step.inner.duration_remaining().as_millis();
+		io.register_timer_once(ENGINE_TIMEOUT_TOKEN, Duration::from_millis(remaining))
+			.unwrap_or_else(|e| warn!(target: "engine", "Failed to start consensus step timer: {}.", e))
 	}
 
 	fn timeout(&self, io: &IoContext<()>, timer: TimerToken) {
 		if timer == ENGINE_TIMEOUT_TOKEN {
-			if let Some(engine) = self.engine.upgrade() {
-				// NOTE we might be lagging by couple of steps in case the timeout
-				// has not been called fast enough.
-				// Make sure to advance up to the actual step.
-				while engine.step.duration_remaining().as_millis() == 0 {
-					engine.step();
+			// NOTE we might be lagging by couple of steps in case the timeout
+			// has not been called fast enough.
+			// Make sure to advance up to the actual step.
+			while self.step.inner.duration_remaining().as_millis() == 0 {
+				self.step.inner.increment();
+				self.step.can_propose.store(true, AtomicOrdering::SeqCst);
+				if let Some(ref weak) = *self.client.read() {
+					if let Some(c) = weak.upgrade() {
+						c.update_sealing();
+					}
 				}
-
-				let next_run_at = engine.step.duration_remaining().as_millis() >> 2;
-				io.register_timer_once(ENGINE_TIMEOUT_TOKEN, Duration::from_millis(next_run_at))
-					.unwrap_or_else(|e| warn!(target: "engine", "Failed to restart consensus step timer: {}.", e))
 			}
+
+			let next_run_at = self.step.inner.duration_remaining().as_millis() >> 2;
+			io.register_timer_once(ENGINE_TIMEOUT_TOKEN, Duration::from_millis(next_run_at))
+				.unwrap_or_else(|e| warn!(target: "engine", "Failed to restart consensus step timer: {}.", e))
 		}
 	}
 }
@@ -742,8 +754,8 @@ impl Engine<EthereumMachine> for AuthorityRound {
 	}
 
 	fn step(&self) {
-		self.step.increment();
-		self.can_propose.store(true, AtomicOrdering::SeqCst);
+		self.step.inner.increment();
+		self.step.can_propose.store(true, AtomicOrdering::SeqCst);
 		if let Some(ref weak) = *self.client.read() {
 			if let Some(c) = weak.upgrade() {
 				c.update_sealing();
@@ -790,7 +802,7 @@ impl Engine<EthereumMachine> for AuthorityRound {
 
 	fn populate_from_parent(&self, header: &mut Header, parent: &Header) {
 		let parent_step = header_step(parent, self.empty_steps_transition).expect("Header has been verified; qed");
-		let current_step = self.step.load();
+		let current_step = self.step.inner.load();
 
 		let current_empty_steps_len = if header.number() >= self.empty_steps_transition {
 			self.empty_steps(parent_step.into(), current_step.into(), parent.hash()).len()
@@ -816,7 +828,7 @@ impl Engine<EthereumMachine> for AuthorityRound {
 		let empty_step: EmptyStep = rlp.as_val().map_err(fmt_err)?;;
 
 		if empty_step.verify(&*self.validators).unwrap_or(false) {
-			if self.step.check_future(empty_step.step).is_ok() {
+			if self.step.inner.check_future(empty_step.step).is_ok() {
 				trace!(target: "engine", "handle_message: received empty step message {:?}", empty_step);
 				self.handle_empty_step_message(empty_step);
 			} else {
@@ -836,7 +848,7 @@ impl Engine<EthereumMachine> for AuthorityRound {
 	fn generate_seal(&self, block: &ExecutedBlock, parent: &Header) -> Seal {
 		// first check to avoid generating signature most of the time
 		// (but there's still a race to the `compare_and_swap`)
-		if !self.can_propose.load(AtomicOrdering::SeqCst) {
+		if !self.step.can_propose.load(AtomicOrdering::SeqCst) {
 			trace!(target: "engine", "Aborting seal generation. Can't propose.");
 			return Seal::None;
 		}
@@ -845,7 +857,7 @@ impl Engine<EthereumMachine> for AuthorityRound {
 		let parent_step: U256 = header_step(parent, self.empty_steps_transition)
 			.expect("Header has been verified; qed").into();
 
-		let step = self.step.load();
+		let step = self.step.inner.load();
 
 		// filter messages from old and future steps and different parents
 		let empty_steps = if header.number() >= self.empty_steps_transition {
@@ -922,7 +934,7 @@ impl Engine<EthereumMachine> for AuthorityRound {
 				trace!(target: "engine", "generate_seal: Issuing a block for step {}.", step);
 
 				// only issue the seal if we were the first to reach the compare_and_swap.
-				if self.can_propose.compare_and_swap(true, false, AtomicOrdering::SeqCst) {
+				if self.step.can_propose.compare_and_swap(true, false, AtomicOrdering::SeqCst) {
 
 					self.clear_empty_steps(parent_step);
 
@@ -999,7 +1011,7 @@ impl Engine<EthereumMachine> for AuthorityRound {
 					.decode()?;
 
 				let parent_step = header_step(&parent, self.empty_steps_transition)?;
-				let current_step = self.step.load();
+				let current_step = self.step.inner.load();
 				self.empty_steps(parent_step.into(), current_step.into(), parent.hash())
 			} else {
 				// we're verifying a block, extract empty steps from the seal
@@ -1052,7 +1064,7 @@ impl Engine<EthereumMachine> for AuthorityRound {
 		// If yes then probably benign reporting needs to be moved further in the verification.
 		let set_number = header.number();
 
-		match verify_timestamp(&*self.step, header_step(header, self.empty_steps_transition)?) {
+		match verify_timestamp(&self.step.inner, header_step(header, self.empty_steps_transition)?) {
 			Err(BlockError::InvalidSeal) => {
 				self.validators.report_benign(header.author(), set_number, header.number());
 				Err(BlockError::InvalidSeal.into())
@@ -1294,7 +1306,7 @@ impl Engine<EthereumMachine> for AuthorityRound {
 						// This way, upon encountering an epoch change, the proposer from the
 						// new set will be forced to wait until the next step to avoid sealing a
 						// block that breaks the invariant that the parent's step < the block's step.
-						self.can_propose.store(false, AtomicOrdering::SeqCst);
+						self.step.can_propose.store(false, AtomicOrdering::SeqCst);
 						return Some(combine_proofs(signal_number, &pending.proof, &*finality_proof));
 					}
 				}

ethcore/types/src/receipt.rs

@@ -16,7 +16,7 @@
 
 //! Receipt
 
-use ethereum_types::{H256, U256, Address, Bloom};
+use ethereum_types::{H160, H256, U256, Address, Bloom};
 use heapsize::HeapSizeOf;
 use rlp::{Rlp, RlpStream, Encodable, Decodable, DecoderError};
 
@@ -157,6 +157,10 @@ pub struct LocalizedReceipt {
 	pub log_bloom: Bloom,
 	/// Transaction outcome.
 	pub outcome: TransactionOutcome,
+	/// Receiver address
+	pub to: Option<H160>,
+	/// Sender
+	pub from: H160
 }
 
 #[cfg(test)]

ipfs/Cargo.toml

@@ -15,3 +15,6 @@ rlp = { path = "../util/rlp" }
 cid = "0.2"
 multihash = "0.7"
 unicase = "2.0"
+
+[dev-dependencies]
+ethcore = { path = "../ethcore", features = ["test-helpers"] }

local-store/Cargo.toml

@@ -16,5 +16,6 @@ serde_derive = "1.0"
 serde_json = "1.0"
 
 [dev-dependencies]
+ethcore = { path = "../ethcore", features = ["test-helpers"] }
 ethkey = { path = "../ethkey" }
 kvdb-memorydb = { path = "../util/kvdb-memorydb" }

miner/Cargo.toml

@@ -27,7 +27,6 @@ linked-hash-map = "0.5"
 log = "0.3"
 parking_lot = "0.5"
 price-info = { path = "../price-info" }
-rayon = "1.0"
 rlp = { path = "../util/rlp" }
 trace-time = { path = "../util/trace-time" }
 transaction-pool = { path = "../transaction-pool" }

miner/src/lib.rs

@@ -29,7 +29,6 @@ extern crate keccak_hash as hash;
 extern crate linked_hash_map;
 extern crate parking_lot;
 extern crate price_info;
-extern crate rayon;
 extern crate rlp;
 extern crate trace_time;
 extern crate transaction_pool as txpool;

miner/src/pool/queue.rs

@@ -23,7 +23,6 @@ use std::collections::BTreeMap;
 
 use ethereum_types::{H256, U256, Address};
 use parking_lot::RwLock;
-use rayon::prelude::*;
 use transaction;
 use txpool::{self, Verifier};
 
@@ -179,8 +178,14 @@ impl TransactionQueue {
 
 		let verifier = verifier::Verifier::new(client, options, self.insertion_id.clone());
 		let results = transactions
-			.into_par_iter()
-			.map(|transaction| verifier.verify_transaction(transaction))
+			.into_iter()
+			.map(|transaction| {
+				if self.pool.read().find(&transaction.hash()).is_some() {
+					bail!(transaction::Error::AlreadyImported)
+				}
+
+				verifier.verify_transaction(transaction)
+			})
 			.map(|result| result.and_then(|verified| {
 				self.pool.write().import(verified)
 					.map(|_imported| ())