Merge branch 'master' of github.com:ethcore/parity into discovery

.gitignore

@@ -7,7 +7,8 @@
 # Executables
 *.exe
 
-Cargo.lock
+# Cargo lock in subs
+**/Cargo.lock
 
 # Generated by Cargo
 **/target/

Cargo.lock

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+]
+

ethcore/src/basic_types.rs

@@ -24,6 +24,7 @@ pub type LogBloom = H2048;
 /// Constant 2048-bit datum for 0. Often used as a default.
 pub static ZERO_LOGBLOOM: LogBloom = H2048([0x00; 256]);
 
+#[allow(enum_variant_names)]
 /// Semantic boolean for when a seal/signature is included.
 pub enum Seal {
 	/// The seal/signature is included.

ethcore/src/block_queue.rs

@@ -87,6 +87,7 @@ struct QueueSignal {
 }
 
 impl QueueSignal {
+	#[allow(bool_comparison)]
 	fn set(&self) {
 		if self.signalled.compare_and_swap(false, true, AtomicOrdering::Relaxed) == false {
 			self.message_channel.send(UserMessage(SyncMessage::BlockVerified)).expect("Error sending BlockVerified message");

ethcore/src/evm/interpreter.rs

@@ -258,6 +258,7 @@ impl<'a> CodeReader<'a> {
 	}
 }
 
+#[allow(enum_variant_names)]
 enum InstructionCost {
 	Gas(U256),
 	GasMem(U256, U256),
@@ -282,7 +283,7 @@ impl evm::Evm for Interpreter {
 		let code = &params.code.as_ref().unwrap();
 		let valid_jump_destinations = self.find_jump_destinations(&code);
 
-		let mut current_gas = params.gas.clone();
+		let mut current_gas = params.gas;
 		let mut stack = VecStack::with_capacity(ext.schedule().stack_limit, U256::zero());
 		let mut mem = vec![];
 		let mut reader = CodeReader {
@@ -380,10 +381,9 @@ impl Interpreter {
 
 				let gas = if self.is_zero(&val) && !self.is_zero(newval) {
 					schedule.sstore_set_gas
-				} else if !self.is_zero(&val) && self.is_zero(newval) {
-					// Refund is added when actually executing sstore
-					schedule.sstore_reset_gas
 				} else {
+					// Refund for below case is added when actually executing sstore
+					// !self.is_zero(&val) && self.is_zero(newval)
 					schedule.sstore_reset_gas
 				};
 				InstructionCost::Gas(U256::from(gas))
@@ -406,10 +406,7 @@ impl Interpreter {
 				let gas = U256::from(schedule.sha3_gas) + (U256::from(schedule.sha3_word_gas) * words);
 				InstructionCost::GasMem(gas, try!(self.mem_needed(stack.peek(0), stack.peek(1))))
 			},
-			instructions::CALLDATACOPY => {
+			instructions::CALLDATACOPY | instructions::CODECOPY => {
-				InstructionCost::GasMemCopy(default_gas, try!(self.mem_needed(stack.peek(0), stack.peek(2))), stack.peek(2).clone())
-			},
-			instructions::CODECOPY => {
 				InstructionCost::GasMemCopy(default_gas, try!(self.mem_needed(stack.peek(0), stack.peek(2))), stack.peek(2).clone())
 			},
 			instructions::EXTCODECOPY => {
@@ -978,9 +975,9 @@ impl Interpreter {
 				let (a, neg_a) = get_and_reset_sign(stack.pop_back());
 				let (b, neg_b) = get_and_reset_sign(stack.pop_back());
 
-				let is_positive_lt = a < b && (neg_a | neg_b) == false;
+				let is_positive_lt = a < b && !(neg_a | neg_b);
-				let is_negative_lt = a > b && (neg_a & neg_b) == true;
+				let is_negative_lt = a > b && (neg_a & neg_b);
-				let has_different_signs = neg_a == true && neg_b == false;
+				let has_different_signs = neg_a && !neg_b;
 
 				stack.push(self.bool_to_u256(is_positive_lt | is_negative_lt | has_different_signs));
 			},
@@ -993,9 +990,9 @@ impl Interpreter {
 				let (a, neg_a) = get_and_reset_sign(stack.pop_back());
 				let (b, neg_b) = get_and_reset_sign(stack.pop_back());
 
-				let is_positive_gt = a > b && (neg_a | neg_b) == false;
+				let is_positive_gt = a > b && !(neg_a | neg_b);
-				let is_negative_gt = a < b && (neg_a & neg_b) == true;
+				let is_negative_gt = a < b && (neg_a & neg_b);
-				let has_different_signs = neg_a == false && neg_b == true;
+				let has_different_signs = !neg_a && neg_b;
 
 				stack.push(self.bool_to_u256(is_positive_gt | is_negative_gt | has_different_signs));
 			},

ethcore/src/evm/tests.rs

@@ -25,6 +25,7 @@ struct FakeLogEntry {
 }
 
 #[derive(PartialEq, Eq, Hash, Debug)]
+#[allow(enum_variant_names)] // Common prefix is C ;)
 enum FakeCallType {
 	CALL, CREATE
 }

ethcore/src/externalities.rs

@@ -363,7 +363,7 @@ mod tests {
 			&Address::new(),
 			&Address::new(),
 			Some(U256::from_str("0000000000000000000000000000000000000000000000000000000000150000").unwrap()),
-			&vec![],
+			&[],
 			&Address::new(),
 			&mut output);
 	}

ethcore/src/lib.rs

@@ -18,8 +18,15 @@
 #![feature(cell_extras)]
 #![feature(augmented_assignments)]
 #![feature(plugin)]
+// Clippy
 #![plugin(clippy)]
-#![allow(needless_range_loop, match_bool)]
+// TODO [todr] not really sure
+#![allow(needless_range_loop)]
+// Shorter than if-else
+#![allow(match_bool)]
+// Keeps consistency (all lines with `.clone()`) and helpful when changing ref to non-ref.
+#![allow(clone_on_copy)]
+
 
 //! Ethcore library
 //!

evmjit/.gitignore

@@ -1,3 +0,0 @@
-target
-Cargo.lock
-*.swp

parity/main.rs

@@ -165,7 +165,7 @@ impl Configuration {
 			}
 			Some(ref a) => {
 				public_address = SocketAddr::from_str(a.as_ref()).expect("Invalid listen/public address given with --address");
-				listen_address = public_address.clone();
+				listen_address = public_address;
 			}
 		};
 

rpc/src/v1/types/block_number.rs

@@ -55,6 +55,7 @@ impl Visitor for BlockNumberVisitor {
 }
 
 impl Into<BlockId> for BlockNumber {
+	#[allow(match_same_arms)]
 	fn into(self) -> BlockId {
 		match self {
 			BlockNumber::Num(n) => BlockId::Number(n),

sync/src/chain.rs

@@ -250,6 +250,8 @@ impl ChainSync {
 		self.peers.clear();
 	}
 
+
+	#[allow(for_kv_map)] // Because it's not possible to get `values_mut()`
 	/// Rest sync. Clear all downloaded data but keep the queue
 	fn reset(&mut self) {
 		self.downloading_headers.clear();
@@ -1100,8 +1102,7 @@ impl ChainSync {
 						let mut rlp_stream = RlpStream::new_list(route.blocks.len());
 						for block_hash in route.blocks {
 							let mut hash_rlp = RlpStream::new_list(2);
-							let difficulty = chain.block_total_difficulty(BlockId::Hash(block_hash.clone())).unwrap();
+							let difficulty = chain.block_total_difficulty(BlockId::Hash(block_hash.clone())).expect("Mallformed block without a difficulty on the chain!");
-		
 							hash_rlp.append(&block_hash);
 							hash_rlp.append(&difficulty);
 							rlp_stream.append_raw(&hash_rlp.out(), 1);

sync/src/lib.rs

@@ -16,8 +16,11 @@
 
 #![warn(missing_docs)]
 #![feature(plugin)]
-#![plugin(clippy)]
 #![feature(augmented_assignments)]
+#![plugin(clippy)]
+// Keeps consistency (all lines with `.clone()`) and helpful when changing ref to non-ref.
+#![allow(clone_on_copy)]
+
 //! Blockchain sync module
 //! Implements ethereum protocol version 63 as specified here:
 //! https://github.com/ethereum/wiki/wiki/Ethereum-Wire-Protocol

sync/src/range_collection.rs

@@ -170,8 +170,7 @@ impl<K, V> RangeCollection<K, V> for Vec<(K, Vec<V>)> where K: Ord + PartialEq +
 
 		// todo: fix warning
 		let lower = match self.binary_search_by(|&(k, _)| k.cmp(&key).reverse()) {
-			Ok(index) => index,
+			Ok(index) | Err(index) => index
-			Err(index) => index,
 		};
 
 		let mut to_remove: Option<usize> = None;

util/src/lib.rs

@@ -20,9 +20,17 @@
 #![feature(associated_consts)]
 #![feature(plugin)]
 #![feature(ip)]
-#![plugin(clippy)]
-#![allow(needless_range_loop, match_bool)]
 #![feature(catch_panic)]
+// Clippy settings
+#![plugin(clippy)]
+// TODO [todr] not really sure
+#![allow(needless_range_loop)]
+// Shorter than if-else
+#![allow(match_bool)]
+// We use that to be more explicit about handled cases
+#![allow(match_same_arms)]
+// Keeps consistency (all lines with `.clone()`) and helpful when changing ref to non-ref.
+#![allow(clone_on_copy)]
 
 //! Ethcore-util library
 //!

util/src/panics.rs

@@ -104,7 +104,7 @@ impl<F> OnPanicListener for F
 }
 
 fn convert_to_string(t: &Box<Any + Send>) -> Option<String> {
-	let as_str = t.downcast_ref::<&'static str>().map(|t| t.clone().to_owned());
+	let as_str = t.downcast_ref::<&'static str>().cloned().map(|t| t.to_owned());
 	let as_string = t.downcast_ref::<String>().cloned();
 
 	as_str.or(as_string)