Merge branch 'master' into travis_fixes

ethcore/Cargo.toml

@@ -3,7 +3,7 @@ description = "Ethcore library"
 homepage = "http://ethcore.io"
 license = "GPL-3.0"
 name = "ethcore"
-version = "0.1.0"
+version = "0.9.0"
 authors = ["Ethcore <admin@ethcore.io>"]
 
 [dependencies]

ethcore/src/blockchain.rs

@@ -129,6 +129,9 @@ struct CacheManager {
 ///
 /// **Does not do input data verification.**
 pub struct BlockChain {
+	pref_cache_size: usize,
+	max_cache_size: usize,
+
 	best_block: RwLock<BestBlock>,
 
 	// block cache
@@ -190,9 +193,7 @@ impl BlockProvider for BlockChain {
 	}
 }
 
-const COLLECTION_QUEUE_SIZE: usize = 2;
+const COLLECTION_QUEUE_SIZE: usize = 8;
-const MIN_CACHE_SIZE: usize = 1;
-const MAX_CACHE_SIZE: usize = 1024 * 1024;
 
 impl BlockChain {
 	/// Create new instance of blockchain from given Genesis
@@ -237,6 +238,8 @@ impl BlockChain {
 		(0..COLLECTION_QUEUE_SIZE).foreach(|_| cache_man.cache_usage.push_back(HashSet::new()));
 
 		let bc = BlockChain {
+			pref_cache_size: 1 << 14,
+			max_cache_size: 1 << 20,
 			best_block: RwLock::new(BestBlock::new()),
 			blocks: RwLock::new(HashMap::new()),
 			block_details: RwLock::new(HashMap::new()),
@@ -288,6 +291,12 @@ impl BlockChain {
 		bc
 	}
 
+	/// Set the cache configuration.
+	pub fn configure_cache(&mut self, pref_cache_size: usize, max_cache_size: usize) {
+		self.pref_cache_size = pref_cache_size;
+		self.max_cache_size = max_cache_size;
+	}
+
 	/// Returns a tree route between `from` and `to`, which is a tuple of:
 	///
 	/// - a vector of hashes of all blocks, ordered from `from` to `to`.
@@ -339,12 +348,12 @@ impl BlockChain {
 			Some(h) => h,
 			None => return None,
 		};
-		Some(self._tree_route((&from_details, &from), (&to_details, &to)))
+		Some(self.tree_route_aux((&from_details, &from), (&to_details, &to)))
 	}
 
 	/// Similar to `tree_route` function, but can be used to return a route
 	/// between blocks which may not be in database yet.
-	fn _tree_route(&self, from: (&BlockDetails, &H256), to: (&BlockDetails, &H256)) -> TreeRoute {
+	fn tree_route_aux(&self, from: (&BlockDetails, &H256), to: (&BlockDetails, &H256)) -> TreeRoute {
 		let mut from_branch = vec![];
 		let mut to_branch = vec![];
 
@@ -465,7 +474,7 @@ impl BlockChain {
 		// find the route between old best block and the new one
 		let best_hash = self.best_block_hash();
 		let best_details = self.block_details(&best_hash).expect("best block hash is invalid!");
-		let route = self._tree_route((&best_details, &best_hash), (&details, &hash));
+		let route = self.tree_route_aux((&best_details, &best_hash), (&details, &hash));
 
 		match route.blocks.len() {
 			// its our parent
@@ -581,13 +590,11 @@ impl BlockChain {
 	}
 
 	/// Ticks our cache system and throws out any old data.
-	pub fn collect_garbage(&self, force: bool) {
+	pub fn collect_garbage(&self) {
-		// TODO: check time.
+		if self.cache_size().total() < self.pref_cache_size { return; }
-		let timeout = true;
-
-		let t = self.cache_size().total();
-		if t < MIN_CACHE_SIZE || (!timeout && (!force || t < MAX_CACHE_SIZE)) { return; }
 
+		for _ in 0..COLLECTION_QUEUE_SIZE {
+			{
 				let mut cache_man = self.cache_man.write().unwrap();
 				let mut blocks = self.blocks.write().unwrap();
 				let mut block_details = self.block_details.write().unwrap();
@@ -611,6 +618,9 @@ impl BlockChain {
 
 				// TODO: handle block_hashes properly.
 				block_hashes.clear();
+			}
+			if self.cache_size().total() < self.max_cache_size { break; }
+		}
 
 		// TODO: m_lastCollection = chrono::system_clock::now();
 	}
@@ -786,7 +796,7 @@ mod tests {
 		assert!(bc.cache_size().blocks > 1024 * 1024);
 
 		for _ in 0..2 {
-			bc.collect_garbage(true);
+			bc.collect_garbage();
 		}
 		assert!(bc.cache_size().blocks < 1024 * 1024);
 	}

ethcore/src/client.rs

@@ -294,7 +294,12 @@ impl Client {
 
 	/// Tick the client.
 	pub fn tick(&self) {
-		self.chain.read().unwrap().collect_garbage(false);
+		self.chain.read().unwrap().collect_garbage();
+	}
+
+	/// Set up the cache behaviour.
+	pub fn configure_cache(&self, pref_cache_size: usize, max_cache_size: usize) {
+		self.chain.write().unwrap().configure_cache(pref_cache_size, max_cache_size);
 	}
 }
 

parity/main.rs

@@ -35,9 +35,15 @@ Usage:
   parity [options] <enode>...
 
 Options:
-  -l --logging LOGGING  Specify the logging level
+  -l --logging LOGGING     Specify the logging level.
+  -j --jsonrpc             Enable the JSON-RPC API sever.
+  --jsonrpc-url URL        Specify URL for JSON-RPC API server (default: 127.0.0.1:8545).
+
+  --cache-pref-size BYTES  Specify the prefered size of the blockchain cache in bytes (default: 16384).
+  --cache-max-size BYTES   Specify the maximum size of the blockchain cache in bytes (default: 262144).
+
   -h --help                Show this screen.
-");
+", flag_cache_pref_size: usize, flag_cache_max_size: usize);
 
 fn setup_log(init: &str) {
 	let mut builder = LogBuilder::new();
@@ -54,7 +60,7 @@ fn setup_log(init: &str) {
 
 
 #[cfg(feature = "rpc")]
-fn setup_rpc_server(client: Arc<Client>, sync: Arc<EthSync>) {
+fn setup_rpc_server(client: Arc<Client>, sync: Arc<EthSync>, url: &str) {
 	use rpc::v1::*;
 	
 	let mut server = rpc::HttpServer::new(1);
@@ -62,11 +68,11 @@ fn setup_rpc_server(client: Arc<Client>, sync: Arc<EthSync>) {
 	server.add_delegate(EthClient::new(client.clone()).to_delegate());
 	server.add_delegate(EthFilterClient::new(client).to_delegate());
 	server.add_delegate(NetClient::new(sync).to_delegate());
-	server.start_async("127.0.0.1:3030");
+	server.start_async(url);
 }
 
 #[cfg(not(feature = "rpc"))]
-fn setup_rpc_server(_client: Arc<Client>, _sync: Arc<EthSync>) {
+fn setup_rpc_server(_client: Arc<Client>, _sync: Arc<EthSync>, _url: &str) {
 }
 
 fn main() {
@@ -83,8 +89,11 @@ fn main() {
 	net_settings.boot_nodes = init_nodes;
 	let mut service = ClientService::start(spec, net_settings).unwrap();
 	let client = service.client().clone();
+	client.configure_cache(args.flag_cache_pref_size, args.flag_cache_max_size);
 	let sync = EthSync::register(service.network(), client);
-	setup_rpc_server(service.client(), sync.clone());
+	if args.flag_jsonrpc {
+		setup_rpc_server(service.client(), sync.clone(), &args.flag_jsonrpc_url);
+	}
 	let io_handler  = Arc::new(ClientIoHandler { client: service.client(), info: Default::default(), sync: sync });
 	service.io().register_handler(io_handler).expect("Error registering IO handler");
 

util/Cargo.toml

@@ -3,7 +3,7 @@ description = "Ethcore utility library"
 homepage = "http://ethcore.io"
 license = "GPL-3.0"
 name = "ethcore-util"
-version = "0.1.0"
+version = "0.9.0"
 authors = ["Ethcore <admin@ethcore.io>"]
 
 [dependencies]

util/benches/rlp.rs

@@ -3,7 +3,7 @@
 //! ```bash
 //! multirust run nightly cargo bench
 //! ```
-
+/*
 #![feature(test)]
 
 extern crate test;
@@ -94,3 +94,4 @@ fn bench_stream_1000_empty_lists(b: &mut Bencher) {
 		let _ = stream.out();
 	});
 }
+*/

util/benches/trie.rs

@@ -42,6 +42,84 @@ fn random_value(seed: &mut H256) -> Bytes {
 	}
 }
 
+#[bench]
+fn trie_insertions_32_mir_1k(b: &mut Bencher) {
+	let st = StandardMap {
+		alphabet: Alphabet::All,
+		min_key: 32,
+		journal_key: 0,
+		value_mode: ValueMode::Mirror,
+		count: 1000,
+	};
+	let d = st.make();
+	let mut hash_count = 0usize;
+	b.iter(&mut ||{
+		let mut memdb = MemoryDB::new();
+		let mut root = H256::new();
+		let mut t = TrieDBMut::new(&mut memdb, &mut root);
+		for i in d.iter() {
+			t.insert(&i.0, &i.1);
+		}
+		hash_count = t.hash_count;
+	});
+//	println!("hash_count: {}", hash_count);
+}
+
+#[bench]
+fn triehash_insertions_32_mir_1k(b: &mut Bencher) {
+	let st = StandardMap {
+		alphabet: Alphabet::All,
+		min_key: 32,
+		journal_key: 0,
+		value_mode: ValueMode::Mirror,
+		count: 1000,
+	};
+	let d = st.make();
+	b.iter(&mut ||{
+		trie_root(d.clone()).clone();
+	});
+}
+
+#[bench]
+fn trie_insertions_32_ran_1k(b: &mut Bencher) {
+	let st = StandardMap {
+		alphabet: Alphabet::All,
+		min_key: 32,
+		journal_key: 0,
+		value_mode: ValueMode::Random,
+		count: 1000,
+	};
+	let d = st.make();
+	let mut hash_count = 0usize;
+	let mut r = H256::new();
+	b.iter(&mut ||{
+		let mut memdb = MemoryDB::new();
+		let mut root = H256::new();
+		let mut t = TrieDBMut::new(&mut memdb, &mut root);
+		for i in d.iter() {
+			t.insert(&i.0, &i.1);
+		}
+		hash_count = t.hash_count;
+		r = t.root().clone();
+	});
+//	println!("result: {}", hash_count);
+}
+
+#[bench]
+fn triehash_insertions_32_ran_1k(b: &mut Bencher) {
+	let st = StandardMap {
+		alphabet: Alphabet::All,
+		min_key: 32,
+		journal_key: 0,
+		value_mode: ValueMode::Random,
+		count: 1000,
+	};
+	let d = st.make();
+	b.iter(&mut ||{
+		trie_root(d.clone()).clone();
+	});
+}
+
 #[bench]
 fn trie_insertions_six_high(b: &mut Bencher) {
 	let mut d: Vec<(Bytes, Bytes)> = Vec::new();

util/src/trie/standardmap.rs

@@ -17,12 +17,26 @@ pub enum Alphabet {
 	Custom(Bytes),
 }
 
+/// Means of determining the value.
+pub enum ValueMode {
+	/// Same as the key.
+	Mirror,
+	/// Randomly (50:50) 1 or 32 byte randomly string.
+	Random,
+}
+
 /// Standard test map for profiling tries.
 pub struct StandardMap {
-	alphabet: Alphabet,
+	/// The alphabet to use for keys.
-	min_key: usize,
+	pub alphabet: Alphabet,
-	journal_key: usize,
+	/// Minimum size of key.
-	count: usize,
+	pub min_key: usize,
+	/// Delta size of key.
+	pub journal_key: usize,
+	/// Mode of value generation.
+	pub value_mode: ValueMode,
+	/// Number of keys.
+	pub count: usize,
 }
 
 impl StandardMap {
@@ -71,7 +85,7 @@ impl StandardMap {
 				Alphabet::Mid => Self::random_word(mid, self.min_key, self.journal_key, &mut seed),
 				Alphabet::Custom(ref a) => Self::random_word(&a, self.min_key, self.journal_key, &mut seed),
 			};
-			let v = Self::random_value(&mut seed);
+			let v = match self.value_mode { ValueMode::Mirror => k.clone(), ValueMode::Random => Self::random_value(&mut seed) };
 			d.push((k, v))
 		}
 		d