Merge branch 'master' into coverage-effort

Conflicts:
	ethcore/res/ethereum/tests

.gitmodules

@@ -1,4 +0,0 @@
-[submodule "res/ethereum/tests"]
-	path = res/ethereum/tests
-	url = git@github.com:ethereum/tests
-	branch = develop

.travis.yml

@@ -1,16 +1,47 @@
+sudo: required
+dist: trusty
 language: rust
-
-rust:
-    - nightly
-
-os:
-    - osx
-
-before_script:
-    - brew update
-    - brew install rocksdb
-
+matrix:
+  fast_finish: true
+  include:
+  - rust: nightly
 cache:
+  apt: true
   directories:
-  - $TRAVIS_BUILD_DIR/target
-  - $HOME/.cargo
+  - target/release/deps
+  - target/release/build
+addons:
+  apt:
+    packages:
+    - libcurl4-openssl-dev
+    - libelf-dev
+    - libdw-dev
+before_script: |
+  sudo add-apt-repository "deb http://ppa.launchpad.net/giskou/librocksdb/ubuntu trusty main" &&
+  sudo apt-get update &&
+  sudo apt-get install -y --force-yes librocksdb
+script:
+- cargo build --release --verbose
+- cargo test --release -p ethash --verbose
+- cargo test --release -p ethcore-util --verbose
+- cargo test --release -p ethcore --verbose
+- cargo test --release --verbose
+- cargo bench --no-run
+after_success: |
+  wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
+  tar xzf master.tar.gz && mkdir kcov-master/build && cd kcov-master/build && cmake .. && make && make install DESTDIR=../tmp && cd ../.. &&
+  ls target/release &&
+  ./kcov-master/tmp/usr/local/bin/kcov --coveralls-id=${COVERALLS_TOKEN} --exclude-pattern=/.cargo --include-pattern=ethcore/src target/kcov target/release/deps/ethcore-* &&
+  [ $TRAVIS_BRANCH = master ] &&
+  [ $TRAVIS_PULL_REQUEST = false ] &&
+  [ $TRAVIS_RUST_VERSION = nightly ] &&
+  cargo doc --no-deps &&
+  echo '<meta http-equiv=refresh content=0;url=ethcore/index.html>' > target/doc/index.html &&
+  pip install --user ghp-import &&
+  /home/travis/.local/bin/ghp-import -n target/doc 
+  #&&
+  #git push -fq https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git gh-pages
+env:
+  global:
+    secure: 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
+    secure: 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

Cargo.toml

@@ -1,30 +1,26 @@
 [package]
-description = "Ethcore library"
-homepage = "http://ethcore.io"
+description = "Ethcore client."
+name = "parity"
+version = "0.9.0"
 license = "GPL-3.0"
-name = "ethcore"
-version = "0.1.0"
 authors = ["Ethcore <admin@ethcore.io>"]
 
 [dependencies]
 log = "0.3"
 env_logger = "0.3"
-ethcore-util = { path = "util" }
 rustc-serialize = "0.3"
-flate2 = "0.2"
-rocksdb = "0.3"
-heapsize = "0.2.0"
-rust-crypto = "0.2.34"
-time = "0.1"
-#interpolate_idents = { git = "https://github.com/SkylerLipthay/interpolate_idents" }
-evmjit = { path = "evmjit", optional = true }
-ethash = { path = "ethash" }
-num_cpus = "0.2"
+docopt = "0.6"
+docopt_macros = "0.6"
+ctrlc = "1.0"
 clippy = "0.0.37"
-crossbeam = "0.1.5"
-lazy_static = "0.1"
+ethcore-util = { path = "util" }
+ethcore = { path = "ethcore" }
+ethsync = { path = "sync" }
+ethcore-rpc = { path = "rpc", optional = true }
 
 [features]
-jit = ["evmjit"]
-evm_debug = []
-test-heavy = []
+rpc = ["ethcore-rpc"]
+
+[[bin]]
+path = "parity/main.rs"
+name = "parity"

bin/Cargo.toml

@@ -1,22 +0,0 @@
-[package]
-description = "Ethcore client."
-name = "parity"
-version = "0.9.0"
-license = "GPL-3.0"
-authors = ["Ethcore <admin@ethcore.io>"]
-
-[dependencies]
-log = "0.3"
-env_logger = "0.3"
-rustc-serialize = "0.3"
-docopt = "0.6"
-docopt_macros = "0.6"
-ctrlc = "1.0"
-ethcore-util = { path = "../util" }
-ethcore-rpc = { path = "../rpc", optional = true }
-ethcore = { path = ".." }
-ethsync = { path = "../sync" }
-clippy = "0.0.37"
-
-[features]
-rpc = ["ethcore-rpc"]

ethash/Cargo.toml

@@ -6,4 +6,6 @@ authors = ["arkpar <arkadiy@ethcore.io"]
 [lib]
 
 [dependencies]
+log = "0.3"
+lru-cache = "0.0"
 sha3 = { path = "../util/sha3" }

ethash/src/compute.rs

@@ -6,7 +6,11 @@
 use std::mem;
 use std::ptr;
 use sizes::{CACHE_SIZES, DAG_SIZES};
-use sha3::{self};
+use sha3;
+use std::slice;
+use std::path::PathBuf;
+use std::io::{Read, Write, self};
+use std::fs::{self, File};
 
 pub const ETHASH_EPOCH_LENGTH: u64 = 30000;
 pub const ETHASH_CACHE_ROUNDS: usize = 3;
@@ -76,6 +80,45 @@ impl Light {
 	pub fn compute(&self, header_hash: &H256, nonce: u64) -> ProofOfWork {
 		light_compute(self, header_hash, nonce)
 	}
+
+	pub fn file_path(block_number: u64) -> PathBuf {
+		let mut home = ::std::env::home_dir().unwrap();
+		home.push(".ethash");
+		home.push("light");
+		let seed_hash = get_seedhash(block_number);
+		home.push(to_hex(&seed_hash));
+		home
+	}
+
+	pub fn from_file(block_number: u64) -> io::Result<Light> {
+		let path = Light::file_path(block_number);
+		let mut file = try!(File::open(path));
+		
+		let cache_size = get_cache_size(block_number);
+		if try!(file.metadata()).len() != cache_size as u64 {
+			return Err(io::Error::new(io::ErrorKind::Other, "Cache file size mismatch"));
+		}
+		let num_nodes = cache_size / NODE_BYTES;
+		let mut nodes: Vec<Node> = Vec::new();
+		nodes.resize(num_nodes, unsafe { mem::uninitialized() });
+		let buf = unsafe { slice::from_raw_parts_mut(nodes.as_mut_ptr() as *mut u8, cache_size) };
+		try!(file.read_exact(buf));
+		Ok(Light {
+			cache: nodes,
+			block_number: block_number,
+		})
+	}
+
+	pub fn to_file(&self) -> io::Result<()> {
+		let path = Light::file_path(self.block_number);
+		try!(fs::create_dir_all(path.parent().unwrap()));
+		let mut file = try!(File::create(path));
+		
+		let cache_size = self.cache.len() * NODE_BYTES;
+		let buf = unsafe { slice::from_raw_parts(self.cache.as_ptr() as *const u8, cache_size) };
+		try!(file.write(buf)); 
+		Ok(())
+	}
 }
 
 #[inline]
@@ -249,6 +292,19 @@ fn light_new(block_number: u64) -> Light {
 	}
 }
 
+static CHARS: &'static[u8] = b"0123456789abcdef";
+fn to_hex(bytes: &[u8]) -> String {
+	let mut v = Vec::with_capacity(bytes.len() * 2);
+	for &byte in bytes.iter() {
+		v.push(CHARS[(byte >> 4) as usize]);
+		v.push(CHARS[(byte & 0xf) as usize]);
+	}
+
+	unsafe {
+		String::from_utf8_unchecked(v)
+	}
+}
+
 #[test]
 fn test_difficulty_test() {
 	let hash = [0xf5, 0x7e, 0x6f, 0x3a, 0xcf, 0xc0, 0xdd, 0x4b, 0x5b, 0xf2, 0xbe, 0xe4, 0x0a, 0xb3, 0x35, 0x8a, 0xa6, 0x87, 0x73, 0xa8, 0xd0, 0x9f, 0x5e, 0x59, 0x5e, 0xab, 0x55, 0x94, 0x05,  0x52, 0x7d, 0x72];

ethash/src/lib.rs

@@ -1,25 +1,28 @@
 //! Ethash implementation
 //! See https://github.com/ethereum/wiki/wiki/Ethash
 extern crate sha3;
+extern crate lru_cache;
+#[macro_use]
+extern crate log;
 mod sizes;
 mod compute;
 
+use lru_cache::LruCache;
 use compute::Light;
 pub use compute::{quick_get_difficulty, H256, ProofOfWork, ETHASH_EPOCH_LENGTH};
 
-use std::collections::HashMap;
-use std::sync::RwLock;
+use std::sync::{Arc, Mutex};
 
 /// Lighy/Full cache manager
 pub struct EthashManager {
-	lights: RwLock<HashMap<u64, Light>>,
+	lights: Mutex<LruCache<u64, Arc<Light>>>
 }
 
 impl EthashManager {
 	/// Create a new new instance of ethash manager
 	pub fn new() -> EthashManager {
 		EthashManager { 
-			lights: RwLock::new(HashMap::new())
+			lights: Mutex::new(LruCache::new(2))
 		}
 	}
 
@@ -30,15 +33,27 @@ impl EthashManager {
 	/// `nonce` - The nonce to pack into the mix
 	pub fn compute_light(&self, block_number: u64, header_hash: &H256, nonce: u64) -> ProofOfWork {
 		let epoch = block_number / ETHASH_EPOCH_LENGTH;
-		while !self.lights.read().unwrap().contains_key(&epoch) {
-			if let Ok(mut lights) = self.lights.try_write()
-			{
-				if !lights.contains_key(&epoch) {
+		let light = {
+			let mut lights = self.lights.lock().unwrap();
+			match lights.get_mut(&epoch).map(|l| l.clone()) {
+				None => {
+					let light = match Light::from_file(block_number) {
+						Ok(light) => Arc::new(light),
+						Err(e) => { 
+							debug!("Light cache file not found for {}:{}", block_number, e);
 							let light = Light::new(block_number);
-					lights.insert(epoch, light);
+							if let Err(e) = light.to_file() {
+								warn!("Light cache file write error: {}", e);
 							}
+							Arc::new(light)
 						}
+					};
+					lights.insert(epoch, light.clone());
+					light
 				}
-		self.lights.read().unwrap().get(&epoch).unwrap().compute(header_hash, nonce)
+				Some(light) => light
+			}
+		};
+		light.compute(header_hash, nonce)
 	}
 }

ethcore/Cargo.toml

@@ -0,0 +1,30 @@
+[package]
+description = "Ethcore library"
+homepage = "http://ethcore.io"
+license = "GPL-3.0"
+name = "ethcore"
+version = "0.1.0"
+authors = ["Ethcore <admin@ethcore.io>"]
+
+[dependencies]
+log = "0.3"
+env_logger = "0.3"
+rustc-serialize = "0.3"
+flate2 = "0.2"
+rocksdb = "0.3"
+heapsize = "0.2.0"
+rust-crypto = "0.2.34"
+time = "0.1"
+#interpolate_idents = { git = "https://github.com/SkylerLipthay/interpolate_idents" }
+ethcore-util = { path = "../util" }
+evmjit = { path = "../evmjit", optional = true }
+ethash = { path = "../ethash" }
+num_cpus = "0.2"
+clippy = "0.0.37"
+crossbeam = "0.1.5"
+lazy_static = "0.1"
+
+[features]
+jit = ["evmjit"]
+evm_debug = []
+test-heavy = []

ethcore/src/tests/state.rs

@@ -84,7 +84,7 @@ pub fn json_chain_test(json_data: &[u8], era: ChainEra) -> Vec<String> {
 
 declare_test!{StateTests_stBlockHashTest, "StateTests/stBlockHashTest"}
 declare_test!{StateTests_stCallCodes, "StateTests/stCallCodes"}
-declare_test!{StateTests_stCallCreateCallCodeTest, "StateTests/stCallCreateCallCodeTest"}
+//declare_test!{StateTests_stCallCreateCallCodeTest, "StateTests/stCallCreateCallCodeTest"}
 declare_test!{StateTests_stDelegatecallTest, "StateTests/stDelegatecallTest"}
 declare_test!{StateTests_stExample, "StateTests/stExample"}
 declare_test!{StateTests_stInitCodeTest, "StateTests/stInitCodeTest"}
@@ -297,7 +297,7 @@ declare_test!{StateTests_RandomTests_st201503181357CPPJIT, "StateTests/RandomTes
 declare_test!{StateTests_RandomTests_st201503181358CPPJIT, "StateTests/RandomTests/st201503181358CPPJIT"}
 declare_test!{StateTests_RandomTests_st201503181358GO, "StateTests/RandomTests/st201503181358GO"}
 declare_test!{StateTests_RandomTests_st201503181359GO, "StateTests/RandomTests/st201503181359GO"}
-declare_test!{StateTests_RandomTests_st201503181402CPPJIT, "StateTests/RandomTests/st201503181402CPPJIT"}
+//declare_test!{StateTests_RandomTests_st201503181402CPPJIT, "StateTests/RandomTests/st201503181402CPPJIT"}
 declare_test!{StateTests_RandomTests_st201503181403GO, "StateTests/RandomTests/st201503181403GO"}
 declare_test!{StateTests_RandomTests_st201503181406CPPJIT, "StateTests/RandomTests/st201503181406CPPJIT"}
 declare_test!{StateTests_RandomTests_st201503181406GO, "StateTests/RandomTests/st201503181406GO"}
@@ -569,7 +569,7 @@ declare_test!{StateTests_RandomTests_st201503181929GO, "StateTests/RandomTests/s
 declare_test!{StateTests_RandomTests_st201503181931CPPJIT, "StateTests/RandomTests/st201503181931CPPJIT"}
 declare_test!{StateTests_RandomTests_st201503181931GO, "StateTests/RandomTests/st201503181931GO"}
 declare_test!{StateTests_RandomTests_st201503181931PYTHON, "StateTests/RandomTests/st201503181931PYTHON"}
-declare_test!{StateTests_RandomTests_st201503191646GO, "StateTests/RandomTests/st201503191646GO"}
+//declare_test!{StateTests_RandomTests_st201503191646GO, "StateTests/RandomTests/st201503191646GO"}
 declare_test!{StateTests_RandomTests_st201503200837JS, "StateTests/RandomTests/st201503200837JS"}
 declare_test!{StateTests_RandomTests_st201503200838JS, "StateTests/RandomTests/st201503200838JS"}
 declare_test!{StateTests_RandomTests_st201503200841JS, "StateTests/RandomTests/st201503200841JS"}

util/Cargo.toml

@@ -27,6 +27,4 @@ slab = { git = "https://github.com/arkpar/slab.git" }
 sha3 = { path = "sha3" }
 serde = "0.6.7"
 clippy = "0.0.37"
-
-[dev-dependencies]
 json-tests = { path = "json-tests" }

util/src/uint.rs

@@ -1217,6 +1217,8 @@ mod tests {
 
 	#[test]
 	#[should_panic]
+	// overflows panic only in debug builds. Running this test with `--release` flag, always fails
+	#[ignore]
 	pub fn uint128_add_overflow_panic() {
 		U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
 		+