Merge branch 'master' into ui-2

Cargo.lock

@@ -125,7 +125,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bigint"
-version = "3.0.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -301,6 +301,7 @@ dependencies = [
  "ethcore-util 1.8.0",
  "ethjson 0.1.0",
  "rlp 0.2.0",
+ "rlp_derive 0.1.0",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -526,6 +527,7 @@ dependencies = [
  "price-info 1.7.0",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp 0.2.0",
+ "rlp_derive 0.1.0",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -542,7 +544,7 @@ dependencies = [
 name = "ethcore-bigint"
 version = "0.1.3"
 dependencies = [
- "bigint 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bigint 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -652,6 +654,7 @@ dependencies = [
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp 0.2.0",
+ "rlp_derive 0.1.0",
  "serde 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -773,7 +776,6 @@ dependencies = [
  "ethcore-devtools 1.8.0",
  "ethcore-logger 1.8.0",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru-cache 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1217,7 +1219,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "jsonrpc-core"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1229,7 +1231,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-http-server"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "hyper 0.10.0-a.0 (git+https://github.com/paritytech/hyper)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -1242,7 +1244,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-ipc-server"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "bytes 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -1255,7 +1257,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-macros"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-pubsub 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -1265,7 +1267,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-minihttp-server"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "bytes 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -1280,7 +1282,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-pubsub"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1290,7 +1292,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-server-utils"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "bytes 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "globset 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1303,7 +1305,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-tcp-server"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "bytes 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -1317,7 +1319,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-ws-server"
 version = "7.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#4d3ec22c7aba426988a678b489b2791e95283699"
+source = "git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7#b5490782884218c5ccf74cd61e54904cb3a3aeed"
 dependencies = [
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-server-utils 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -1860,6 +1862,7 @@ dependencies = [
  "fetch 0.1.0",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-http-server 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "linked-hash-map 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1971,6 +1974,7 @@ dependencies = [
  "fetch 0.1.0",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-http-server 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
  "jsonrpc-ipc-server 7.0.0 (git+https://github.com/paritytech/jsonrpc.git?branch=parity-1.7)",
@@ -2053,7 +2057,7 @@ dependencies = [
 [[package]]
 name = "parity-ui-precompiled"
 version = "1.4.0"
-source = "git+https://github.com/paritytech/js-precompiled.git#dd9b92d9d8c244678e15163347f9adb2e2560959"
+source = "git+https://github.com/paritytech/js-precompiled.git#416ced84c23b1a776d53ee4a3023eb4eb4736cf8"
 dependencies = [
  "parity-dapps-glue 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2305,7 +2309,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "quote"
-version = "0.3.10"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2396,6 +2400,15 @@ dependencies = [
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rlp_derive"
+version = "0.1.0"
+dependencies = [
+ "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.2.0",
+ "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rocksdb"
 version = "0.4.5"
@@ -2453,7 +2466,7 @@ dependencies = [
 name = "rpc-cli"
 version = "1.4.0"
 dependencies = [
- "bigint 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bigint 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore-util 1.8.0",
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-rpc 1.8.0",
@@ -2588,7 +2601,7 @@ name = "serde_derive"
 version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quote 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive_internals 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2730,7 +2743,7 @@ name = "syn"
 version = "0.11.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quote 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3231,7 +3244,7 @@ dependencies = [
 "checksum backtrace-sys 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "3a0d842ea781ce92be2bf78a9b38883948542749640b8378b3b2f03d1fd9f1ff"
 "checksum base-x 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2f59103b47307f76e03bef1633aec7fa9e29bfb5aa6daf5a334f94233c71f6c1"
 "checksum base32 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1b9605ba46d61df0410d8ac686b0007add8172eba90e8e909c347856fe794d8c"
-"checksum bigint 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d0673c930652d3d4d6dcd5c45b5db4fa5f8f33994d7323618c43c083b223e8c"
+"checksum bigint 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2b45beaa0727835a98df09295d4250afc52c3f7d375d560997ae942c95b98ceb"
 "checksum bincode 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e103c8b299b28a9c6990458b7013dc4a8356a9b854c51b9883241f5866fac36e"
 "checksum bit-set 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e6e1e6fb1c9e3d6fcdec57216a74eaa03e41f52a22f13a16438251d8e88b89da"
 "checksum bit-set 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d9bf6104718e80d7b26a68fdbacff3481cfc05df670821affc7e9cbc1884400c"
@@ -3384,7 +3397,7 @@ dependencies = [
 "checksum quasi_macros 0.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "29cec87bc2816766d7e4168302d505dd06b0a825aed41b00633d296e922e02dd"
 "checksum quick-error 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0aad603e8d7fb67da22dbdf1f4b826ce8829e406124109e73cf1b2454b93a71c"
 "checksum quine-mc_cluskey 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a6683b0e23d80813b1a535841f0048c1537d3f86d63c999e8373b39a9b0eb74a"
-"checksum quote 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)" = "6732e32663c9c271bfc7c1823486b471f18c47a2dbf87c066897b7b51afc83be"
+"checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
 "checksum rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "2791d88c6defac799c3f20d74f094ca33b9332612d9aef9078519c82e4fe04a5"
 "checksum rayon 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8c83adcb08e5b922e804fe1918142b422602ef11f2fd670b0b52218cb5984a20"
 "checksum rayon-core 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "767d91bacddf07d442fe39257bf04fd95897d1c47c545d009f6beb03efd038f8"

README.md

@@ -41,7 +41,7 @@ Parity's current release is 1.7. You can download it at https://github.com/parit
 
 ## Build dependencies
 
-**Parity requires Rust version 1.18.0 to build**
+**Parity requires Rust version 1.19.0 to build**
 
 We recommend installing Rust through [rustup](https://www.rustup.rs/). If you don't already have rustup, you can install it like this:
 

dapps/Cargo.toml

@@ -27,6 +27,7 @@ time = "0.1.35"
 unicase = "1.3"
 url = "1.0"
 zip = { version = "0.1", default-features = false }
+itertools = "0.5"
 
 jsonrpc-core = { git = "https://github.com/paritytech/jsonrpc.git", branch = "parity-1.7" }
 jsonrpc-http-server = { git = "https://github.com/paritytech/jsonrpc.git", branch = "parity-1.7" }

dapps/src/apps/mod.rs

@@ -14,7 +14,6 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-use std::collections::BTreeMap;
 use std::path::PathBuf;
 use std::sync::Arc;
 
@@ -30,8 +29,8 @@ use {WebProxyTokens, ParentFrameSettings};
 
 mod app;
 mod cache;
-mod fs;
 mod ui;
+pub mod fs;
 pub mod fetcher;
 pub mod manifest;
 
@@ -64,9 +63,10 @@ pub fn all_endpoints<F: Fetch>(
 	web_proxy_tokens: Arc<WebProxyTokens>,
 	remote: Remote,
 	fetch: F,
-) -> Endpoints {
+) -> (Vec<String>, Endpoints) {
 	// fetch fs dapps at first to avoid overwriting builtins
-	let mut pages = fs::local_endpoints(dapps_path, embeddable.clone());
+	let mut pages = fs::local_endpoints(dapps_path.clone(), embeddable.clone());
+	let local_endpoints: Vec<String> = pages.keys().cloned().collect();
 	for path in extra_dapps {
 		if let Some((id, endpoint)) = fs::local_endpoint(path.clone(), embeddable.clone()) {
 			pages.insert(id, endpoint);
@@ -80,10 +80,10 @@ pub fn all_endpoints<F: Fetch>(
 	pages.insert("proxy".into(), ProxyPac::boxed(embeddable.clone(), dapps_domain.to_owned()));
 	pages.insert(WEB_PATH.into(), Web::boxed(embeddable.clone(), web_proxy_tokens.clone(), remote.clone(), fetch.clone()));
 
-	Arc::new(pages)
+	(local_endpoints, pages)
 }
 
-fn insert<T : WebApp + Default + 'static>(pages: &mut BTreeMap<String, Box<Endpoint>>, id: &str, embed_at: Embeddable) {
+fn insert<T : WebApp + Default + 'static>(pages: &mut Endpoints, id: &str, embed_at: Embeddable) {
 	pages.insert(id.to_owned(), Box::new(match embed_at {
 		Embeddable::Yes(address) => PageEndpoint::new_safe_to_embed(T::default(), address),
 		Embeddable::No => PageEndpoint::new(T::default()),

dapps/src/endpoint.rs

@@ -16,7 +16,6 @@
 
 //! URL Endpoint traits
 
-use std::sync::Arc;
 use std::collections::BTreeMap;
 
 use hyper::{self, server, net};
@@ -39,7 +38,7 @@ pub struct EndpointInfo {
 	pub icon_url: String,
 }
 
-pub type Endpoints = Arc<BTreeMap<String, Box<Endpoint>>>;
+pub type Endpoints = BTreeMap<String, Box<Endpoint>>;
 pub type Handler = server::Handler<net::HttpStream> + Send;
 
 pub trait Endpoint : Send + Sync {

dapps/src/handlers/mod.rs

@@ -31,8 +31,7 @@ pub use self::redirect::Redirection;
 pub use self::streaming::StreamingHandler;
 
 use std::iter;
-use util::Itertools;
+use itertools::Itertools;
-
 use url::Url;
 use hyper::{server, header, net, uri};
 use {apps, address, Embeddable};
@@ -67,10 +66,20 @@ pub fn add_security_headers(headers: &mut header::Headers, embeddable_on: Embedd
 		// Allow fonts from data: and HTTPS.
 		b"font-src 'self' data: https:;".to_vec(),
 		// Allow inline scripts and scripts eval (webpack/jsconsole)
-		b"script-src 'self' 'unsafe-inline' 'unsafe-eval';".to_vec(),
+		{
-		// Same restrictions as script-src (fallback) with additional
+			let script_src = embeddable_on.as_ref()
+				.map(|e| e.extra_script_src.iter()
+					 .map(|&(ref host, port)| address(host, port))
+					 .join(" ")
+				).unwrap_or_default();
+			format!(
+				"script-src 'self' 'unsafe-inline' 'unsafe-eval' {};",
+				script_src
+			).into_bytes()
+		},
+		// Same restrictions as script-src with additional
 		// blob: that is required for camera access (worker)
-		b"worker-src 'self' 'unsafe-inline' 'unsafe-eval' blob: ;".to_vec(),
+		b"worker-src 'self' 'unsafe-inline' 'unsafe-eval' https: blob:;".to_vec(),
 		// Restrict everything else to the same origin.
 		b"default-src 'self';".to_vec(),
 		// Run in sandbox mode (although it's not fully safe since we allow same-origin and script)
@@ -90,7 +99,7 @@ pub fn add_security_headers(headers: &mut header::Headers, embeddable_on: Embedd
 					.into_iter()
 					.chain(embed.extra_embed_on
 						.iter()
-						.map(|&(ref host, port)| format!("{}:{}", host, port))
+						.map(|&(ref host, port)| address(host, port))
 					);
 
 				let ancestors = if embed.host == "127.0.0.1" {

dapps/src/lib.rs

@@ -22,6 +22,7 @@
 extern crate base32;
 extern crate futures;
 extern crate futures_cpupool;
+extern crate itertools;
 extern crate linked_hash_map;
 extern crate mime_guess;
 extern crate ntp;
@@ -69,9 +70,11 @@ mod web;
 #[cfg(test)]
 mod tests;
 
+use std::collections::HashMap;
+use std::mem;
 use std::path::PathBuf;
 use std::sync::Arc;
-use std::collections::HashMap;
+use util::RwLock;
 
 use jsonrpc_http_server::{self as http, hyper, Origin};
 
@@ -101,31 +104,54 @@ impl<F> WebProxyTokens for F where F: Fn(String) -> Option<Origin> + Send + Sync
 }
 
 /// Current supported endpoints.
+#[derive(Default, Clone)]
 pub struct Endpoints {
-	endpoints: endpoint::Endpoints,
+	local_endpoints: Arc<RwLock<Vec<String>>>,
+	endpoints: Arc<RwLock<endpoint::Endpoints>>,
+	dapps_path: PathBuf,
+	embeddable: Option<ParentFrameSettings>,
 }
 
 impl Endpoints {
 	/// Returns a current list of app endpoints.
 	pub fn list(&self) -> Vec<apps::App> {
-		self.endpoints.iter().filter_map(|(ref k, ref e)| {
+		self.endpoints.read().iter().filter_map(|(ref k, ref e)| {
 			e.info().map(|ref info| apps::App::from_info(k, info))
 		}).collect()
 	}
+
+	/// Check for any changes in the local dapps folder and update.
+	pub fn refresh_local_dapps(&self) {
+		let new_local = apps::fs::local_endpoints(&self.dapps_path, self.embeddable.clone());
+		let old_local = mem::replace(&mut *self.local_endpoints.write(), new_local.keys().cloned().collect());
+		let (_, to_remove): (_, Vec<_>) = old_local
+			.into_iter()
+			.partition(|k| new_local.contains_key(&k.clone()));
+
+		let mut endpoints = self.endpoints.write();
+		// remove the dead dapps
+		for k in to_remove {
+			endpoints.remove(&k);
+		}
+		// new dapps to be added
+		for (k, v) in new_local {
+			if !endpoints.contains_key(&k) {
+				endpoints.insert(k, v);
+			}
+		}
+	}
 }
 
 /// Dapps server as `jsonrpc-http-server` request middleware.
 pub struct Middleware {
+	endpoints: Endpoints,
 	router: router::Router,
-	endpoints: endpoint::Endpoints,
 }
 
 impl Middleware {
 	/// Get local endpoints handle.
-	pub fn endpoints(&self) -> Endpoints {
+	pub fn endpoints(&self) -> &Endpoints {
-		Endpoints {
+		&self.endpoints
-			endpoints: self.endpoints.clone(),
-		}
 	}
 
 	/// Creates new middleware for UI server.
@@ -164,8 +190,8 @@ impl Middleware {
 		);
 
 		Middleware {
-			router: router,
 			endpoints: Default::default(),
+			router: router,
 		}
 	}
 
@@ -176,6 +202,7 @@ impl Middleware {
 		remote: Remote,
 		ui_address: Option<(String, u16)>,
 		extra_embed_on: Vec<(String, u16)>,
+		extra_script_src: Vec<(String, u16)>,
 		dapps_path: PathBuf,
 		extra_dapps: Vec<PathBuf>,
 		dapps_domain: &str,
@@ -184,15 +211,15 @@ impl Middleware {
 		web_proxy_tokens: Arc<WebProxyTokens>,
 		fetch: F,
 	) -> Self {
-		let embeddable = as_embeddable(ui_address, extra_embed_on, dapps_domain);
+		let embeddable = as_embeddable(ui_address, extra_embed_on, extra_script_src, dapps_domain);
 		let content_fetcher = Arc::new(apps::fetcher::ContentFetcher::new(
 			hash_fetch::urlhint::URLHintContract::new(registrar),
 			sync_status.clone(),
 			remote.clone(),
 			fetch.clone(),
 		).embeddable_on(embeddable.clone()).allow_dapps(true));
-		let endpoints = apps::all_endpoints(
+		let (local_endpoints, endpoints) = apps::all_endpoints(
-			dapps_path,
+			dapps_path.clone(),
 			extra_dapps,
 			dapps_domain,
 			embeddable.clone(),
@@ -200,6 +227,12 @@ impl Middleware {
 			remote.clone(),
 			fetch.clone(),
 		);
+		let endpoints = Endpoints {
+			endpoints: Arc::new(RwLock::new(endpoints)),
+			dapps_path,
+			local_endpoints: Arc::new(RwLock::new(local_endpoints)),
+			embeddable: embeddable.clone(),
+		};
 
 		let special = {
 			let mut special = special_endpoints(
@@ -225,8 +258,8 @@ impl Middleware {
 		);
 
 		Middleware {
-			router: router,
+			endpoints,
-			endpoints: endpoints,
+			router,
 		}
 	}
 }
@@ -263,12 +296,14 @@ fn address(host: &str, port: u16) -> String {
 fn as_embeddable(
 	ui_address: Option<(String, u16)>,
 	extra_embed_on: Vec<(String, u16)>,
+	extra_script_src: Vec<(String, u16)>,
 	dapps_domain: &str,
 ) -> Option<ParentFrameSettings> {
 	ui_address.map(|(host, port)| ParentFrameSettings {
 		host,
 		port,
 		extra_embed_on,
+		extra_script_src,
 		dapps_domain: dapps_domain.to_owned(),
 	})
 }
@@ -289,8 +324,10 @@ pub struct ParentFrameSettings {
 	pub host: String,
 	/// Port
 	pub port: u16,
-	/// Additional pages the pages can be embedded on.
+	/// Additional URLs the dapps can be embedded on.
 	pub extra_embed_on: Vec<(String, u16)>,
+	/// Additional URLs the dapp scripts can be loaded from.
+	pub extra_script_src: Vec<(String, u16)>,
 	/// Dapps Domain (web3.site)
 	pub dapps_domain: String,
 }

dapps/src/router.rs

@@ -28,7 +28,8 @@ use jsonrpc_http_server as http;
 
 use apps;
 use apps::fetcher::Fetcher;
-use endpoint::{Endpoint, Endpoints, EndpointPath, Handler};
+use endpoint::{Endpoint, EndpointPath, Handler};
+use Endpoints;
 use handlers;
 use Embeddable;
 
@@ -50,26 +51,27 @@ pub struct Router {
 	dapps_domain: String,
 }
 
-impl http::RequestMiddleware for Router {
+impl Router {
-	fn on_request(&self, req: &server::Request<HttpStream>, control: &Control) -> http::RequestMiddlewareAction {
+	fn resolve_request(&self, req: &server::Request<HttpStream>, control: Control, refresh_dapps: bool) -> (bool, Option<Box<Handler>>) {
 		// Choose proper handler depending on path / domain
 		let url = handlers::extract_url(req);
 		let endpoint = extract_endpoint(&url, &self.dapps_domain);
 		let referer = extract_referer_endpoint(req, &self.dapps_domain);
 		let is_utils = endpoint.1 == SpecialEndpoint::Utils;
-		let is_origin_set = req.headers().get::<header::Origin>().is_some();
 		let is_get_request = *req.method() == hyper::Method::Get;
 		let is_head_request = *req.method() == hyper::Method::Head;
+		let has_dapp = |dapp: &str| self.endpoints
+			.as_ref()
+			.map_or(false, |endpoints| endpoints.endpoints.read().contains_key(dapp));
 
 		trace!(target: "dapps", "Routing request to {:?}. Details: {:?}", url, req);
-
-		let control = control.clone();
 		debug!(target: "dapps", "Handling endpoint request: {:?}", endpoint);
-		let handler: Option<Box<Handler>> = match (endpoint.0, endpoint.1, referer) {
+
+		(is_utils, match (endpoint.0, endpoint.1, referer) {
 			// Handle invalid web requests that we can recover from
 			(ref path, SpecialEndpoint::None, Some((ref referer, ref referer_url)))
 				if referer.app_id == apps::WEB_PATH
-					&& self.endpoints.as_ref().map(|ep| ep.contains_key(apps::WEB_PATH)).unwrap_or(false)
+					&& has_dapp(apps::WEB_PATH)
 					&& !is_web_endpoint(path)
 				=>
 			{
@@ -88,11 +90,13 @@ impl http::RequestMiddleware for Router {
 					.map(|special| special.to_async_handler(path.clone().unwrap_or_default(), control))
 			},
 			// Then delegate to dapp
-			(Some(ref path), _, _) if self.endpoints.as_ref().map(|ep| ep.contains_key(&path.app_id)).unwrap_or(false) => {
+			(Some(ref path), _, _) if has_dapp(&path.app_id) => {
 				trace!(target: "dapps", "Resolving to local/builtin dapp.");
 				Some(self.endpoints
 					.as_ref()
 					.expect("endpoints known to be set; qed")
+					.endpoints
+					.read()
 					.get(&path.app_id)
 					.expect("endpoints known to contain key; qed")
 					.to_async_handler(path.clone(), control))
@@ -110,13 +114,19 @@ impl http::RequestMiddleware for Router {
 				=>
 			{
 				trace!(target: "dapps", "Resolving to 404.");
-				Some(Box::new(handlers::ContentHandler::error(
+				if refresh_dapps {
-					hyper::StatusCode::NotFound,
+					debug!(target: "dapps", "Refreshing dapps and re-trying.");
-					"404 Not Found",
+					self.endpoints.as_ref().map(|endpoints| endpoints.refresh_local_dapps());
-					"Requested content was not found.",
+					return self.resolve_request(req, control, false)
-					None,
+				} else {
-					self.embeddable_on.clone(),
+					Some(Box::new(handlers::ContentHandler::error(
-				)))
+						hyper::StatusCode::NotFound,
+						"404 Not Found",
+						"Requested content was not found.",
+						None,
+						self.embeddable_on.clone(),
+					)))
+				}
 			},
 			// Any other GET|HEAD requests to home page.
 			_ if (is_get_request || is_head_request) && self.special.contains_key(&SpecialEndpoint::Home) => {
@@ -130,8 +140,15 @@ impl http::RequestMiddleware for Router {
 				trace!(target: "dapps", "Resolving to RPC call.");
 				None
 			}
-		};
+		})
+	}
+}
 
+impl http::RequestMiddleware for Router {
+	fn on_request(&self, req: &server::Request<HttpStream>, control: &Control) -> http::RequestMiddlewareAction {
+		let control = control.clone();
+		let is_origin_set = req.headers().get::<header::Origin>().is_some();
+		let (is_utils, handler) = self.resolve_request(req, control, self.endpoints.is_some());
 		match handler {
 			Some(handler) => http::RequestMiddlewareAction::Respond {
 				should_validate_hosts: !is_utils,

dapps/src/tests/fetch.rs

@@ -39,7 +39,7 @@ fn should_resolve_dapp() {
 
 	// then
 	response.assert_status("HTTP/1.1 404 Not Found");
-	assert_eq!(registrar.calls.lock().len(), 2);
+	assert_eq!(registrar.calls.lock().len(), 4);
 	assert_security_headers_for_embed(&response.headers);
 }
 

dapps/src/tests/helpers/mod.rs

@@ -260,6 +260,7 @@ impl Server {
 			remote,
 			signer_address,
 			vec![],
+			vec![],
 			dapps_path,
 			extra_dapps,
 			DAPPS_DOMAIN.into(),

dapps/src/tests/redirection.rs

@@ -204,4 +204,3 @@ fn should_serve_utils() {
 	assert_eq!(response.body.contains("function(){"), true);
 	assert_security_headers(&response.headers);
 }
-

dapps/src/web.rs

@@ -241,5 +241,3 @@ impl<F: Fetch> server::Handler<net::HttpStream> for WebHandler<F> {
 		}
 	}
 }
-
-

ethcore/Cargo.toml

@@ -47,6 +47,7 @@ num_cpus = "1.2"
 price-info = { path = "../price-info" }
 rand = "0.3"
 rlp = { path = "../util/rlp" }
+rlp_derive = { path = "../util/rlp_derive" }
 rust-crypto = "0.2.34"
 rustc-hex = "1.0"
 semver = "0.6"

ethcore/light/Cargo.toml

@@ -21,6 +21,7 @@ ethcore-devtools = { path = "../../devtools" }
 evm = { path = "../evm" }
 vm = { path = "../vm" }
 rlp = { path = "../../util/rlp" }
+rlp_derive = { path = "../../util/rlp_derive" }
 time = "0.1"
 smallvec = "0.4"
 futures = "0.1"

ethcore/light/src/client/mod.rs

@@ -100,8 +100,8 @@ pub trait LightChainClient: Send + Sync {
 	/// Get an iterator over a block and its ancestry.
 	fn ancestry_iter<'a>(&'a self, start: BlockId) -> Box<Iterator<Item=encoded::Header> + 'a>;
 
-	/// Get the signing network ID.
+	/// Get the signing chain ID.
-	fn signing_network_id(&self) -> Option<u64>;
+	fn signing_chain_id(&self) -> Option<u64>;
 
 	/// Get environment info for execution at a given block.
 	/// Fails if that block's header is not stored.
@@ -260,9 +260,9 @@ impl Client {
 		self.chain.ancestry_iter(start)
 	}
 
-	/// Get the signing network id.
+	/// Get the signing chain id.
-	pub fn signing_network_id(&self) -> Option<u64> {
+	pub fn signing_chain_id(&self) -> Option<u64> {
-		self.engine.signing_network_id(&self.latest_env_info())
+		self.engine.signing_chain_id(&self.latest_env_info())
 	}
 
 	/// Flush the header queue.
@@ -448,8 +448,8 @@ impl LightChainClient for Client {
 		Box::new(Client::ancestry_iter(self, start))
 	}
 
-	fn signing_network_id(&self) -> Option<u64> {
+	fn signing_chain_id(&self) -> Option<u64> {
-		Client::signing_network_id(self)
+		Client::signing_chain_id(self)
 	}
 
 	fn env_info(&self, id: BlockId) -> Option<EnvInfo> {

ethcore/light/src/lib.rs

@@ -76,6 +76,8 @@ extern crate futures;
 extern crate itertools;
 extern crate rand;
 extern crate rlp;
+#[macro_use]
+extern crate rlp_derive;
 extern crate serde;
 extern crate smallvec;
 extern crate stats;

ethcore/light/src/types/request/mod.rs

@@ -650,7 +650,7 @@ pub mod header {
 	use rlp::{Encodable, Decodable, DecoderError, RlpStream, UntrustedRlp};
 
 	/// Potentially incomplete headers request.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// Start block.
 		pub start: Field<HashOrNumber>,
@@ -662,27 +662,6 @@ pub mod header {
 		pub reverse: bool,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				start: rlp.val_at(0)?,
-				skip: rlp.val_at(1)?,
-				max: rlp.val_at(2)?,
-				reverse: rlp.val_at(3)?
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(4)
-				.append(&self.start)
-				.append(&self.skip)
-				.append(&self.max)
-				.append(&self.reverse);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;
@@ -784,26 +763,12 @@ pub mod header_proof {
 	use util::{Bytes, U256, H256};
 
 	/// Potentially incomplete header proof request.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// Block number.
 		pub num: Field<u64>,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				num: rlp.val_at(0)?,
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(1).append(&self.num);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;
@@ -889,30 +854,15 @@ pub mod header_proof {
 /// Request and response for transaction index.
 pub mod transaction_index {
 	use super::{Field, NoSuchOutput, OutputKind, Output};
-	use rlp::{Encodable, Decodable, DecoderError, RlpStream, UntrustedRlp};
 	use util::H256;
 
 	/// Potentially incomplete transaction index request.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// Transaction hash to get index for.
 		pub hash: Field<H256>,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				hash: rlp.val_at(0)?,
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(1).append(&self.hash);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;
@@ -959,7 +909,7 @@ pub mod transaction_index {
 	}
 
 	/// The output of a request for transaction index.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Response {
 		/// Block number.
 		pub num: u64,
@@ -976,55 +926,21 @@ pub mod transaction_index {
 			f(1, Output::Hash(self.hash));
 		}
 	}
-
-	impl Decodable for Response {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Response {
-				num: rlp.val_at(0)?,
-				hash: rlp.val_at(1)?,
-				index: rlp.val_at(2)?,
-			})
-		}
-	}
-
-	impl Encodable for Response {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(3)
-				.append(&self.num)
-				.append(&self.hash)
-				.append(&self.index);
-		}
-	}
 }
 
 /// Request and response for block receipts
 pub mod block_receipts {
 	use super::{Field, NoSuchOutput, OutputKind, Output};
 	use ethcore::receipt::Receipt;
-	use rlp::{Encodable, Decodable, DecoderError, RlpStream, UntrustedRlp};
 	use util::H256;
 
 	/// Potentially incomplete block receipts request.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// Block hash to get receipts for.
 		pub hash: Field<H256>,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				hash: rlp.val_at(0)?,
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(1).append(&self.hash);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;
@@ -1068,7 +984,7 @@ pub mod block_receipts {
 	}
 
 	/// The output of a request for block receipts.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodableWrapper, RlpDecodableWrapper)]
 	pub struct Response {
 		/// The block receipts.
 		pub receipts: Vec<Receipt>
@@ -1078,20 +994,6 @@ pub mod block_receipts {
 		/// Fill reusable outputs by providing them to the function.
 		fn fill_outputs<F>(&self, _: F) where F: FnMut(usize, Output) {}
 	}
-
-	impl Decodable for Response {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Response {
-				receipts: rlp.as_list()?,
-			})
-		}
-	}
-
-	impl Encodable for Response {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.append_list(&self.receipts);
-		}
-	}
 }
 
 /// Request and response for a block body
@@ -1102,26 +1004,12 @@ pub mod block_body {
 	use util::H256;
 
 	/// Potentially incomplete block body request.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// Block hash to get receipts for.
 		pub hash: Field<H256>,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				hash: rlp.val_at(0)?,
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(1).append(&self.hash);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;
@@ -1201,11 +1089,10 @@ pub mod block_body {
 /// A request for an account proof.
 pub mod account {
 	use super::{Field, NoSuchOutput, OutputKind, Output};
-	use rlp::{Encodable, Decodable, DecoderError, RlpStream, UntrustedRlp};
 	use util::{Bytes, U256, H256};
 
 	/// Potentially incomplete request for an account proof.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// Block hash to request state proof for.
 		pub block_hash: Field<H256>,
@@ -1213,23 +1100,6 @@ pub mod account {
 		pub address_hash: Field<H256>,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				block_hash: rlp.val_at(0)?,
-				address_hash: rlp.val_at(1)?,
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(2)
-				.append(&self.block_hash)
-				.append(&self.address_hash);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;
@@ -1292,7 +1162,7 @@ pub mod account {
 	}
 
 	/// The output of a request for an account state proof.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Response {
 		/// Inclusion/exclusion proof
 		pub proof: Vec<Bytes>,
@@ -1313,39 +1183,15 @@ pub mod account {
 			f(1, Output::Hash(self.storage_root));
 		}
 	}
-
-	impl Decodable for Response {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Response {
-				proof: rlp.list_at(0)?,
-				nonce: rlp.val_at(1)?,
-				balance: rlp.val_at(2)?,
-				code_hash: rlp.val_at(3)?,
-				storage_root: rlp.val_at(4)?
-			})
-		}
-	}
-
-	impl Encodable for Response {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(5)
-				.append_list::<Vec<u8>,_>(&self.proof[..])
-				.append(&self.nonce)
-				.append(&self.balance)
-				.append(&self.code_hash)
-				.append(&self.storage_root);
-		}
-	}
 }
 
 /// A request for a storage proof.
 pub mod storage {
 	use super::{Field, NoSuchOutput, OutputKind, Output};
-	use rlp::{Encodable, Decodable, DecoderError, RlpStream, UntrustedRlp};
 	use util::{Bytes, H256};
 
 	/// Potentially incomplete request for an storage proof.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// Block hash to request state proof for.
 		pub block_hash: Field<H256>,
@@ -1355,25 +1201,6 @@ pub mod storage {
 		pub key_hash: Field<H256>,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				block_hash: rlp.val_at(0)?,
-				address_hash: rlp.val_at(1)?,
-				key_hash: rlp.val_at(2)?,
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(3)
-				.append(&self.block_hash)
-				.append(&self.address_hash)
-				.append(&self.key_hash);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;
@@ -1450,7 +1277,7 @@ pub mod storage {
 	}
 
 	/// The output of a request for an account state proof.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Response {
 		/// Inclusion/exclusion proof
 		pub proof: Vec<Bytes>,
@@ -1464,33 +1291,15 @@ pub mod storage {
 			f(0, Output::Hash(self.value));
 		}
 	}
-
-	impl Decodable for Response {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Response {
-				proof: rlp.list_at(0)?,
-				value: rlp.val_at(1)?,
-			})
-		}
-	}
-
-	impl Encodable for Response {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(2)
-				.append_list::<Vec<u8>,_>(&self.proof[..])
-				.append(&self.value);
-		}
-	}
 }
 
 /// A request for contract code.
 pub mod contract_code {
 	use super::{Field, NoSuchOutput, OutputKind, Output};
-	use rlp::{Encodable, Decodable, DecoderError, RlpStream, UntrustedRlp};
 	use util::{Bytes, H256};
 
 	/// Potentially incomplete contract code request.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// The block hash to request the state for.
 		pub block_hash: Field<H256>,
@@ -1498,23 +1307,6 @@ pub mod contract_code {
 		pub code_hash: Field<H256>,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				block_hash: rlp.val_at(0)?,
-				code_hash: rlp.val_at(1)?,
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(2)
-				.append(&self.block_hash)
-				.append(&self.code_hash);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;
@@ -1573,7 +1365,7 @@ pub mod contract_code {
 	}
 
 	/// The output of a request for
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodableWrapper, RlpDecodableWrapper)]
 	pub struct Response {
 		/// The requested code.
 		pub code: Bytes,
@@ -1583,21 +1375,6 @@ pub mod contract_code {
 		/// Fill reusable outputs by providing them to the function.
 		fn fill_outputs<F>(&self, _: F) where F: FnMut(usize, Output) {}
 	}
-
-	impl Decodable for Response {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-
-			Ok(Response {
-				code: rlp.as_val()?,
-			})
-		}
-	}
-
-	impl Encodable for Response {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.append(&self.code);
-		}
-	}
 }
 
 /// A request for proof of execution.
@@ -1608,7 +1385,7 @@ pub mod execution {
 	use util::{Bytes, Address, U256, H256, DBValue};
 
 	/// Potentially incomplete execution proof request.
-	#[derive(Debug, Clone, PartialEq, Eq)]
+	#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 	pub struct Incomplete {
 		/// The block hash to request the state for.
 		pub block_hash: Field<H256>,
@@ -1626,38 +1403,6 @@ pub mod execution {
 		pub data: Bytes,
 	}
 
-	impl Decodable for Incomplete {
-		fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-			Ok(Incomplete {
-				block_hash: rlp.val_at(0)?,
-				from: rlp.val_at(1)?,
-				action: rlp.val_at(2)?,
-				gas: rlp.val_at(3)?,
-				gas_price: rlp.val_at(4)?,
-				value: rlp.val_at(5)?,
-				data: rlp.val_at(6)?,
-			})
-		}
-	}
-
-	impl Encodable for Incomplete {
-		fn rlp_append(&self, s: &mut RlpStream) {
-			s.begin_list(7)
-				.append(&self.block_hash)
-				.append(&self.from);
-
-			match self.action {
-				Action::Create => s.append_empty_data(),
-				Action::Call(ref addr) => s.append(addr),
-			};
-
-			s.append(&self.gas)
-				.append(&self.gas_price)
-				.append(&self.value)
-				.append(&self.data);
-		}
-	}
-
 	impl super::IncompleteRequest for Incomplete {
 		type Complete = Complete;
 		type Response = Response;

ethcore/src/account_provider/mod.rs

@@ -519,6 +519,11 @@ impl AccountProvider {
 		}
 	}
 
+	/// Returns account public key.
+	pub fn account_public(&self, address: Address, password: &str) -> Result<Public, Error> {
+		self.sstore.public(&self.sstore.account_ref(&address)?, password)
+	}
+
 	/// Returns each account along with name and meta.
 	pub fn set_account_name(&self, address: Address, name: String) -> Result<(), Error> {
 		self.sstore.set_name(&self.sstore.account_ref(&address)?, name)?;
@@ -697,6 +702,13 @@ impl AccountProvider {
 		Ok(self.sstore.decrypt(&account, &password, shared_mac, message)?)
 	}
 
+	/// Agree on shared key.
+	pub fn agree(&self, address: Address, password: Option<String>, other_public: &Public) -> Result<Secret, SignError> {
+		let account = self.sstore.account_ref(&address)?;
+		let password = password.map(Ok).unwrap_or_else(|| self.password(&account))?;
+		Ok(self.sstore.agree(&account, &password, other_public)?)
+	}
+
 	/// Returns the underlying `SecretStore` reference if one exists.
 	pub fn list_geth_accounts(&self, testnet: bool) -> Vec<Address> {
 		self.sstore.list_geth_accounts(testnet).into_iter().map(|a| Address::from(a).into()).collect()

ethcore/src/blockchain/blockchain.rs

@@ -19,6 +19,7 @@
 use std::collections::{HashMap, HashSet};
 use std::sync::Arc;
 use std::mem;
+use itertools::Itertools;
 use bloomchain as bc;
 use util::*;
 use rlp::*;

ethcore/src/blockchain/extras.rs

@@ -25,11 +25,9 @@ use engines::epoch::{Transition as EpochTransition};
 use header::BlockNumber;
 use receipt::Receipt;
 
-use rlp::*;
+use util::{HeapSizeOf, H256, H264, U256};
-use util::*;
 use util::kvdb::PREFIX_LEN as DB_PREFIX_LEN;
 
-
 /// Represents index of extra data in database
 #[derive(Copy, Debug, Hash, Eq, PartialEq, Clone)]
 pub enum ExtrasIndex {
@@ -184,7 +182,7 @@ impl Key<EpochTransitions> for u64 {
 }
 
 /// Familial details concerning a block
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, RlpEncodable, RlpDecodable)]
 pub struct BlockDetails {
 	/// Block number
 	pub number: BlockNumber,
@@ -202,30 +200,8 @@ impl HeapSizeOf for BlockDetails {
 	}
 }
 
-impl Decodable for BlockDetails {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let details = BlockDetails {
-			number: rlp.val_at(0)?,
-			total_difficulty: rlp.val_at(1)?,
-			parent: rlp.val_at(2)?,
-			children: rlp.list_at(3)?,
-		};
-		Ok(details)
-	}
-}
-
-impl Encodable for BlockDetails {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(4);
-		s.append(&self.number);
-		s.append(&self.total_difficulty);
-		s.append(&self.parent);
-		s.append_list(&self.children);
-	}
-}
-
 /// Represents address of certain transaction within block
-#[derive(Debug, PartialEq, Clone)]
+#[derive(Debug, PartialEq, Clone, RlpEncodable, RlpDecodable)]
 pub struct TransactionAddress {
 	/// Block hash
 	pub block_hash: H256,
@@ -237,27 +213,8 @@ impl HeapSizeOf for TransactionAddress {
 	fn heap_size_of_children(&self) -> usize { 0 }
 }
 
-impl Decodable for TransactionAddress {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let tx_address = TransactionAddress {
-			block_hash: rlp.val_at(0)?,
-			index: rlp.val_at(1)?,
-		};
-
-		Ok(tx_address)
-	}
-}
-
-impl Encodable for TransactionAddress {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(2);
-		s.append(&self.block_hash);
-		s.append(&self.index);
-	}
-}
-
 /// Contains all block receipts.
-#[derive(Clone)]
+#[derive(Clone, RlpEncodableWrapper, RlpDecodableWrapper)]
 pub struct BlockReceipts {
 	pub receipts: Vec<Receipt>,
 }
@@ -270,20 +227,6 @@ impl BlockReceipts {
 	}
 }
 
-impl Decodable for BlockReceipts {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(BlockReceipts {
-			receipts: rlp.as_list()?,
-		})
-	}
-}
-
-impl Encodable for BlockReceipts {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.append_list(&self.receipts);
-	}
-}
-
 impl HeapSizeOf for BlockReceipts {
 	fn heap_size_of_children(&self) -> usize {
 		self.receipts.heap_size_of_children()
@@ -291,27 +234,12 @@ impl HeapSizeOf for BlockReceipts {
 }
 
 /// Candidate transitions to an epoch with specific number.
-#[derive(Clone)]
+#[derive(Clone, RlpEncodable, RlpDecodable)]
 pub struct EpochTransitions {
 	pub number: u64,
 	pub candidates: Vec<EpochTransition>,
 }
 
-impl Encodable for EpochTransitions {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(2).append(&self.number).append_list(&self.candidates);
-	}
-}
-
-impl Decodable for EpochTransitions {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(EpochTransitions {
-			number: rlp.val_at(0)?,
-			candidates: rlp.list_at(1)?,
-		})
-	}
-}
-
 #[cfg(test)]
 mod tests {
 	use rlp::*;

ethcore/src/blooms/bloom.rs

@@ -15,12 +15,11 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use bloomchain as bc;
-use rlp::*;
 use util::HeapSizeOf;
 use basic_types::LogBloom;
 
 /// Helper structure representing bloom of the trace.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, RlpEncodableWrapper, RlpDecodableWrapper)]
 pub struct Bloom(LogBloom);
 
 impl From<LogBloom> for Bloom {
@@ -43,18 +42,6 @@ impl Into<bc::Bloom> for Bloom {
 	}
 }
 
-impl Decodable for Bloom {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		LogBloom::decode(rlp).map(Bloom)
-	}
-}
-
-impl Encodable for Bloom {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		Encodable::rlp_append(&self.0, s)
-	}
-}
-
 impl HeapSizeOf for Bloom {
 	fn heap_size_of_children(&self) -> usize {
 		0

ethcore/src/client/client.rs

@@ -20,9 +20,10 @@ use std::sync::{Arc, Weak};
 use std::sync::atomic::{AtomicUsize, AtomicBool, Ordering as AtomicOrdering};
 use std::time::{Instant};
 use time::precise_time_ns;
+use itertools::Itertools;
 
 // util
-use util::{Bytes, PerfTimer, Itertools, Mutex, RwLock, MutexGuard, Hashable};
+use util::{Bytes, PerfTimer, Mutex, RwLock, MutexGuard, Hashable};
 use util::{journaldb, DBValue, TrieFactory, Trie};
 use util::{U256, H256, Address, H2048};
 use util::trie::TrieSpec;
@@ -1112,20 +1113,9 @@ impl Client {
 		}.fake_sign(from)
 	}
 
-	fn do_call(&self, env_info: &EnvInfo, state: &mut State<StateDB>, increase_balance: bool, t: &SignedTransaction, analytics: CallAnalytics) -> Result<Executed, CallError> {
+	fn do_call(&self, env_info: &EnvInfo, state: &mut State<StateDB>, t: &SignedTransaction, analytics: CallAnalytics) -> Result<Executed, CallError> {
 		let original_state = if analytics.state_diffing { Some(state.clone()) } else { None };
 
-		// give the sender a sufficient balance (if calling in pending block)
-		if increase_balance {
-			let sender = t.sender();
-			let balance = state.balance(&sender).map_err(ExecutionError::from)?;
-			let needed_balance = t.value + t.gas * t.gas_price;
-			if balance < needed_balance {
-				state.add_balance(&sender, &(needed_balance - balance), state::CleanupMode::NoEmpty)
-					.map_err(ExecutionError::from)?;
-			}
-		}
-
 		let options = TransactOptions { tracing: analytics.transaction_tracing, vm_tracing: analytics.vm_tracing, check_nonce: false };
 		let mut ret = Executive::new(state, env_info, &*self.engine).transact_virtual(t, options)?;
 
@@ -1167,7 +1157,7 @@ impl BlockChainClient for Client {
 		// that's just a copy of the state.
 		let mut state = self.state_at(block).ok_or(CallError::StatePruned)?;
 
-		self.do_call(&env_info, &mut state, block == BlockId::Pending, transaction, analytics)
+		self.do_call(&env_info, &mut state, transaction, analytics)
 	}
 
 	fn call_many(&self, transactions: &[(SignedTransaction, CallAnalytics)], block: BlockId) -> Result<Vec<Executed>, CallError> {
@@ -1179,7 +1169,7 @@ impl BlockChainClient for Client {
 		let mut results = Vec::with_capacity(transactions.len());
 
 		for &(ref t, analytics) in transactions {
-			let ret = self.do_call(&env_info, &mut state, block == BlockId::Pending, t, analytics)?;
+			let ret = self.do_call(&env_info, &mut state, t, analytics)?;
 			env_info.gas_used = ret.cumulative_gas_used;
 			results.push(ret);
 		}
@@ -1730,8 +1720,8 @@ impl BlockChainClient for Client {
 		}
 	}
 
-	fn signing_network_id(&self) -> Option<u64> {
+	fn signing_chain_id(&self) -> Option<u64> {
-		self.engine.signing_network_id(&self.latest_env_info())
+		self.engine.signing_chain_id(&self.latest_env_info())
 	}
 
 	fn block_extra_info(&self, id: BlockId) -> Option<BTreeMap<String, String>> {
@@ -1770,9 +1760,9 @@ impl BlockChainClient for Client {
 			value: U256::zero(),
 			data: data,
 		};
-		let network_id = self.engine.signing_network_id(&self.latest_env_info());
+		let chain_id = self.engine.signing_chain_id(&self.latest_env_info());
-		let signature = self.engine.sign(transaction.hash(network_id))?;
+		let signature = self.engine.sign(transaction.hash(chain_id))?;
-		let signed = SignedTransaction::new(transaction.with_signature(signature, network_id))?;
+		let signed = SignedTransaction::new(transaction.with_signature(signature, chain_id))?;
 		self.miner.import_own_transaction(self, signed.into())
 	}
 

ethcore/src/client/test_client.rs

@@ -20,6 +20,7 @@ use std::sync::atomic::{AtomicUsize, Ordering as AtomicOrder};
 use std::sync::Arc;
 use std::collections::{HashMap, BTreeMap};
 use std::mem;
+use itertools::Itertools;
 use rustc_hex::FromHex;
 use util::*;
 use rlp::*;
@@ -733,7 +734,7 @@ impl BlockChainClient for TestBlockChainClient {
 		self.miner.ready_transactions(info.best_block_number, info.best_block_timestamp)
 	}
 
-	fn signing_network_id(&self) -> Option<u64> { None }
+	fn signing_chain_id(&self) -> Option<u64> { None }
 
 	fn mode(&self) -> Mode { Mode::Active }
 
@@ -764,9 +765,9 @@ impl BlockChainClient for TestBlockChainClient {
 			value: U256::default(),
 			data: data,
 		};
-		let network_id = Some(self.spec.params().network_id);
+		let chain_id = Some(self.spec.chain_id());
-		let sig = self.spec.engine.sign(transaction.hash(network_id)).unwrap();
+		let sig = self.spec.engine.sign(transaction.hash(chain_id)).unwrap();
-		let signed = SignedTransaction::new(transaction.with_signature(sig, network_id)).unwrap();
+		let signed = SignedTransaction::new(transaction.with_signature(sig, chain_id)).unwrap();
 		self.miner.import_own_transaction(self, signed.into())
 	}
 

ethcore/src/client/traits.rs

@@ -15,6 +15,7 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::collections::BTreeMap;
+use itertools::Itertools;
 
 use block::{OpenBlock, SealedBlock, ClosedBlock};
 use blockchain::TreeRoute;
@@ -33,7 +34,7 @@ use trace::LocalizedTrace;
 use transaction::{LocalizedTransaction, PendingTransaction, SignedTransaction};
 use verification::queue::QueueInfo as BlockQueueInfo;
 
-use util::{U256, Address, H256, H2048, Bytes, Itertools};
+use util::{U256, Address, H256, H2048, Bytes};
 use util::hashdb::DBValue;
 
 use types::ids::*;
@@ -239,8 +240,8 @@ pub trait BlockChainClient : Sync + Send {
 		corpus.into()
 	}
 
-	/// Get the preferred network ID to sign on
+	/// Get the preferred chain ID to sign on
-	fn signing_network_id(&self) -> Option<u64>;
+	fn signing_chain_id(&self) -> Option<u64>;
 
 	/// Get the mode.
 	fn mode(&self) -> Mode;

ethcore/src/engines/authority_round/mod.rs

@@ -804,9 +804,9 @@ impl Engine for AuthorityRound {
 	fn verify_transaction_basic(&self, t: &UnverifiedTransaction, header: &Header) -> Result<(), Error> {
 		t.check_low_s()?;
 
-		if let Some(n) = t.network_id() {
+		if let Some(n) = t.chain_id() {
 			if header.number() >= self.params().eip155_transition && n != self.params().chain_id {
-				return Err(TransactionError::InvalidNetworkId.into());
+				return Err(TransactionError::InvalidChainId.into());
 			}
 		}
 

ethcore/src/engines/epoch.rs

@@ -16,14 +16,12 @@
 
 //! Epoch verifiers and transitions.
 
+use util::H256;
 use error::Error;
 use header::Header;
 
-use rlp::{Encodable, Decodable, DecoderError, RlpStream, UntrustedRlp};
-use util::H256;
-
 /// A full epoch transition.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, RlpEncodable, RlpDecodable)]
 pub struct Transition {
 	/// Block hash at which the transition occurred.
 	pub block_hash: H256,
@@ -33,46 +31,14 @@ pub struct Transition {
 	pub proof: Vec<u8>,
 }
 
-impl Encodable for Transition {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(3)
-			.append(&self.block_hash)
-			.append(&self.block_number)
-			.append(&self.proof);
-	}
-}
-
-impl Decodable for Transition {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(Transition {
-			block_hash: rlp.val_at(0)?,
-			block_number: rlp.val_at(1)?,
-			proof: rlp.val_at(2)?,
-		})
-	}
-}
-
 /// An epoch transition pending a finality proof.
 /// Not all transitions need one.
+#[derive(RlpEncodableWrapper, RlpDecodableWrapper)]
 pub struct PendingTransition {
 	/// "transition/epoch" proof from the engine.
 	pub proof: Vec<u8>,
 }
 
-impl Encodable for PendingTransition {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.append(&self.proof);
-	}
-}
-
-impl Decodable for PendingTransition {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(PendingTransition {
-			proof: rlp.as_val()?,
-		})
-	}
-}
-
 /// Verifier for all blocks within an epoch with self-contained state.
 ///
 /// See docs on `Engine` relating to proving functions for more details.

ethcore/src/engines/mod.rs

@@ -263,7 +263,7 @@ pub trait Engine : Sync + Send {
 	// TODO: Add flags for which bits of the transaction to check.
 	// TODO: consider including State in the params.
 	fn verify_transaction_basic(&self, t: &UnverifiedTransaction, _header: &Header) -> Result<(), Error> {
-		t.verify_basic(true, Some(self.params().network_id), true)?;
+		t.verify_basic(true, Some(self.params().chain_id), true)?;
 		Ok(())
 	}
 
@@ -273,7 +273,7 @@ pub trait Engine : Sync + Send {
 	}
 
 	/// The network ID that transactions should be signed with.
-	fn signing_network_id(&self, _env_info: &EnvInfo) -> Option<u64> {
+	fn signing_chain_id(&self, _env_info: &EnvInfo) -> Option<u64> {
 		Some(self.params().chain_id)
 	}
 

ethcore/src/engines/null_engine.rs

@@ -62,6 +62,6 @@ impl Engine for NullEngine {
 	}
 
 	fn snapshot_components(&self) -> Option<Box<::snapshot::SnapshotComponents>> {
-		Some(Box::new(::snapshot::PowSnapshot(10000)))
+		Some(Box::new(::snapshot::PowSnapshot::new(10000, 10000)))
 	}
 }

ethcore/src/engines/validator_set/safe_contract.rs

@@ -452,7 +452,7 @@ mod tests {
 		let s0: Secret = "1".sha3().into();
 		let v0 = tap.insert_account(s0.clone(), "").unwrap();
 		let v1 = tap.insert_account("0".sha3().into(), "").unwrap();
-		let network_id = Spec::new_validator_safe_contract().network_id();
+		let chain_id = Spec::new_validator_safe_contract().chain_id();
 		let client = generate_dummy_client_with_spec_and_accounts(Spec::new_validator_safe_contract, Some(tap));
 		client.engine().register_client(Arc::downgrade(&client));
 		let validator_contract = "0000000000000000000000000000000000000005".parse::<Address>().unwrap();
@@ -466,7 +466,7 @@ mod tests {
 			action: Action::Call(validator_contract),
 			value: 0.into(),
 			data: "bfc708a000000000000000000000000082a978b3f5962a5b0957d9ee9eef472ee55b42f1".from_hex().unwrap(),
-		}.sign(&s0, Some(network_id));
+		}.sign(&s0, Some(chain_id));
 		client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
 		client.update_sealing();
 		assert_eq!(client.chain_info().best_block_number, 1);
@@ -478,7 +478,7 @@ mod tests {
 			action: Action::Call(validator_contract),
 			value: 0.into(),
 			data: "4d238c8e00000000000000000000000082a978b3f5962a5b0957d9ee9eef472ee55b42f1".from_hex().unwrap(),
-		}.sign(&s0, Some(network_id));
+		}.sign(&s0, Some(chain_id));
 		client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
 		client.update_sealing();
 		// The transaction is not yet included so still unable to seal.
@@ -497,7 +497,7 @@ mod tests {
 			action: Action::Call(Address::default()),
 			value: 0.into(),
 			data: Vec::new(),
-		}.sign(&s0, Some(network_id));
+		}.sign(&s0, Some(chain_id));
 		client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
 		client.update_sealing();
 		// Able to seal again.

ethcore/src/error.rs

@@ -78,8 +78,8 @@ pub enum TransactionError {
 	RecipientBanned,
 	/// Contract creation code is banned.
 	CodeBanned,
-	/// Invalid network ID given.
+	/// Invalid chain ID given.
-	InvalidNetworkId,
+	InvalidChainId,
 }
 
 impl fmt::Display for TransactionError {
@@ -103,7 +103,7 @@ impl fmt::Display for TransactionError {
 			SenderBanned => "Sender is temporarily banned.".into(),
 			RecipientBanned => "Recipient is temporarily banned.".into(),
 			CodeBanned => "Contract code is temporarily banned.".into(),
-			InvalidNetworkId => "Transaction of this network ID is not allowed on this chain.".into(),
+			InvalidChainId => "Transaction of this chain ID is not allowed on this chain.".into(),
 		};
 
 		f.write_fmt(format_args!("Transaction error ({})", msg))

ethcore/src/ethereum/ethash.rs

@@ -39,7 +39,10 @@ pub const PARITY_GAS_LIMIT_DETERMINANT: U256 = U256([37, 0, 0, 0]);
 
 /// Number of blocks in an ethash snapshot.
 // make dependent on difficulty incrment divisor?
-const SNAPSHOT_BLOCKS: u64 = 30000;
+const SNAPSHOT_BLOCKS: u64 = 5000;
+/// Maximum number of blocks allowed in an ethash snapshot.
+const MAX_SNAPSHOT_BLOCKS: u64 = 30000;
+
 
 /// Ethash params.
 #[derive(Debug, PartialEq)]
@@ -206,7 +209,7 @@ impl Engine for Arc<Ethash> {
 		}
 	}
 
-	fn signing_network_id(&self, env_info: &EnvInfo) -> Option<u64> {
+	fn signing_chain_id(&self, env_info: &EnvInfo) -> Option<u64> {
 		if env_info.number >= self.params().eip155_transition {
 			Some(self.params().chain_id)
 		} else {
@@ -397,8 +400,8 @@ impl Engine for Arc<Ethash> {
 		}
 
 		let check_low_s = header.number() >= self.ethash_params.homestead_transition;
-		let network_id = if header.number() >= self.params().eip155_transition { Some(self.params().chain_id) } else { None };
+		let chain_id = if header.number() >= self.params().eip155_transition { Some(self.params().chain_id) } else { None };
-		t.verify_basic(check_low_s, network_id, false)?;
+		t.verify_basic(check_low_s, chain_id, false)?;
 		Ok(())
 	}
 
@@ -407,7 +410,7 @@ impl Engine for Arc<Ethash> {
 	}
 
 	fn snapshot_components(&self) -> Option<Box<::snapshot::SnapshotComponents>> {
-		Some(Box::new(::snapshot::PowSnapshot(SNAPSHOT_BLOCKS)))
+		Some(Box::new(::snapshot::PowSnapshot::new(SNAPSHOT_BLOCKS, MAX_SNAPSHOT_BLOCKS)))
 	}
 }
 

ethcore/src/executive.rs

@@ -157,7 +157,7 @@ impl<'a, B: 'a + StateBackend, E: Engine + ?Sized> Executive<'a, B, E> {
 	pub fn transact_virtual(&'a mut self, t: &SignedTransaction, options: TransactOptions) -> Result<Executed, ExecutionError> {
 		let sender = t.sender();
 		let balance = self.state.balance(&sender)?;
-		let needed_balance = t.value + t.gas * t.gas_price;
+		let needed_balance = t.value.saturating_add(t.gas.saturating_mul(t.gas_price));
 		if balance < needed_balance {
 			// give the sender a sufficient balance
 			self.state.add_balance(&sender, &(needed_balance - balance), CleanupMode::NoEmpty)?;

ethcore/src/json_tests/transaction.rs

@@ -36,25 +36,25 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
 			Some(x) if x < 3_000_000 => &homestead_schedule,
 			Some(_) => &metropolis_schedule
 		};
-		let allow_network_id_of_one = number.map_or(false, |n| n >= 2_675_000);
+		let allow_chain_id_of_one = number.map_or(false, |n| n >= 2_675_000);
 		let allow_unsigned = number.map_or(false, |n| n >= 3_000_000);
 
 		let rlp: Vec<u8> = test.rlp.into();
 		let res = UntrustedRlp::new(&rlp)
 			.as_val()
 			.map_err(From::from)
-			.and_then(|t: UnverifiedTransaction| t.validate(schedule, schedule.have_delegate_call, allow_network_id_of_one, allow_unsigned));
+			.and_then(|t: UnverifiedTransaction| t.validate(schedule, schedule.have_delegate_call, allow_chain_id_of_one, allow_unsigned));
 
 		fail_unless(test.transaction.is_none() == res.is_err(), "Validity different");
 		if let (Some(tx), Some(sender)) = (test.transaction, test.sender) {
 			let t = res.unwrap();
 			fail_unless(SignedTransaction::new(t.clone()).unwrap().sender() == sender.into(), "sender mismatch");
-			let is_acceptable_network_id = match t.network_id() {
+			let is_acceptable_chain_id = match t.chain_id() {
 				None => true,
-				Some(1) if allow_network_id_of_one => true,
+				Some(1) if allow_chain_id_of_one => true,
 				_ => false,
 			};
-			fail_unless(is_acceptable_network_id, "Network ID unacceptable");
+			fail_unless(is_acceptable_chain_id, "Network ID unacceptable");
 			let data: Vec<u8> = tx.data.into();
 			fail_unless(t.data == data, "data mismatch");
 			fail_unless(t.gas_price == tx.gas_price.into(), "gas_price mismatch");

ethcore/src/lib.rs

@@ -101,6 +101,9 @@ extern crate num;
 extern crate price_info;
 extern crate rand;
 extern crate rlp;
+
+#[macro_use]
+extern crate rlp_derive;
 extern crate rustc_hex;
 extern crate semver;
 extern crate stats;

ethcore/src/miner/miner.rs

@@ -1306,10 +1306,10 @@ mod tests {
 	}
 
 	fn transaction() -> SignedTransaction {
-		transaction_with_network_id(2)
+		transaction_with_chain_id(2)
 	}
 
-	fn transaction_with_network_id(id: u64) -> SignedTransaction {
+	fn transaction_with_chain_id(chain_id: u64) -> SignedTransaction {
 		let keypair = Random.generate().unwrap();
 		Transaction {
 			action: Action::Create,
@@ -1318,7 +1318,7 @@ mod tests {
 			gas: U256::from(100_000),
 			gas_price: U256::zero(),
 			nonce: U256::zero(),
-		}.sign(keypair.secret(), Some(id))
+		}.sign(keypair.secret(), Some(chain_id))
 	}
 
 	#[test]
@@ -1399,14 +1399,14 @@ mod tests {
 
 		let client = generate_dummy_client(2);
 
-		assert_eq!(miner.import_external_transactions(&*client, vec![transaction_with_network_id(spec.network_id()).into()]).pop().unwrap().unwrap(), TransactionImportResult::Current);
+		assert_eq!(miner.import_external_transactions(&*client, vec![transaction_with_chain_id(spec.chain_id()).into()]).pop().unwrap().unwrap(), TransactionImportResult::Current);
 
 		miner.update_sealing(&*client);
 		client.flush_queue();
 		assert!(miner.pending_block(0).is_none());
 		assert_eq!(client.chain_info().best_block_number, 3 as BlockNumber);
 
-		assert_eq!(miner.import_own_transaction(&*client, PendingTransaction::new(transaction_with_network_id(spec.network_id()).into(), None)).unwrap(), TransactionImportResult::Current);
+		assert_eq!(miner.import_own_transaction(&*client, PendingTransaction::new(transaction_with_chain_id(spec.chain_id()).into(), None)).unwrap(), TransactionImportResult::Current);
 
 		miner.update_sealing(&*client);
 		client.flush_queue();

ethcore/src/miner/stratum.rs

@@ -32,7 +32,6 @@ use util::Mutex;
 use miner::{self, Miner, MinerService};
 use client::Client;
 use block::IsBlock;
-use std::str::FromStr;
 use rlp::encode;
 
 /// Configures stratum server options.
@@ -60,7 +59,7 @@ impl SubmitPayload {
 			return Err(PayloadError::ArgumentsAmountUnexpected(payload.len()));
 		}
 
-		let nonce = match H64::from_str(clean_0x(&payload[0])) {
+		let nonce = match clean_0x(&payload[0]).parse::<H64>() {
 			Ok(nonce) => nonce,
 			Err(e) => {
 				warn!(target: "stratum", "submit_work ({}): invalid nonce ({:?})", &payload[0], e);
@@ -68,7 +67,7 @@ impl SubmitPayload {
 			}
 		};
 
-		let pow_hash = match H256::from_str(clean_0x(&payload[1])) {
+		let pow_hash = match clean_0x(&payload[1]).parse::<H256>() {
 			Ok(pow_hash) => pow_hash,
 			Err(e) => {
 				warn!(target: "stratum", "submit_work ({}): invalid hash ({:?})", &payload[1], e);
@@ -76,7 +75,7 @@ impl SubmitPayload {
 			}
 		};
 
-		let mix_hash = match H256::from_str(clean_0x(&payload[2])) {
+		let mix_hash = match clean_0x(&payload[2]).parse::<H256>() {
 			Ok(mix_hash) => mix_hash,
 			Err(e) => {
 				warn!(target: "stratum", "submit_work ({}): invalid mix-hash ({:?})",  &payload[2], e);
@@ -133,7 +132,7 @@ impl JobDispatcher for StratumJobDispatcher {
 
 	fn submit(&self, payload: Vec<String>) -> Result<(), StratumServiceError> {
 		let payload = SubmitPayload::from_args(payload).map_err(|e|
-			StratumServiceError::Dispatch(format!("{}", e))
+			StratumServiceError::Dispatch(e.to_string())
 		)?;
 
 		trace!(
@@ -144,14 +143,16 @@ impl JobDispatcher for StratumJobDispatcher {
 			payload.mix_hash,
 		);
 
-		self.with_core_void(|client, miner| {
+		self.with_core_result(|client, miner| {
 			let seal = vec![encode(&payload.mix_hash).into_vec(), encode(&payload.nonce).into_vec()];
-			if let Err(e) = miner.submit_seal(&*client, payload.pow_hash, seal) {
+			match miner.submit_seal(&*client, payload.pow_hash, seal) {
-				warn!(target: "stratum", "submit_seal error: {:?}", e);
+				Ok(_) => Ok(()),
-			};
+				Err(e) => {
-		});
+					warn!(target: "stratum", "submit_seal error: {:?}", e);
-
+					Err(StratumServiceError::Dispatch(e.to_string()))
-		Ok(())
+				}
+			}
+		})
 	}
 }
 
@@ -181,8 +182,11 @@ impl StratumJobDispatcher {
 		self.client.upgrade().and_then(|client| self.miner.upgrade().and_then(|miner| (f)(client, miner)))
 	}
 
-	fn with_core_void<F>(&self, f: F) where F: Fn(Arc<Client>, Arc<Miner>) {
+	fn with_core_result<F>(&self, f: F) -> Result<(), StratumServiceError> where F: Fn(Arc<Client>, Arc<Miner>) -> Result<(), StratumServiceError> {
-		self.client.upgrade().map(|client| self.miner.upgrade().map(|miner| (f)(client, miner)));
+		match (self.client.upgrade(), self.miner.upgrade()) {
+			(Some(client), Some(miner)) => f(client, miner),
+			_ => Ok(()),
+		}
 	}
 }
 
@@ -230,7 +234,7 @@ impl Stratum {
 		let dispatcher = Arc::new(StratumJobDispatcher::new(miner, client));
 
 		let stratum_svc = StratumService::start(
-			&SocketAddr::new(IpAddr::from_str(&options.listen_addr)?, options.port),
+			&SocketAddr::new(options.listen_addr.parse::<IpAddr>()?, options.port),
 			dispatcher.clone(),
 			options.secret.clone(),
 		)?;

ethcore/src/pod_account.rs

@@ -16,6 +16,7 @@
 
 use std::fmt;
 use std::collections::BTreeMap;
+use itertools::Itertools;
 use util::*;
 use state::Account;
 use ethjson;

ethcore/src/pod_state.rs

@@ -18,6 +18,7 @@
 
 use std::fmt;
 use std::collections::BTreeMap;
+use itertools::Itertools;
 use util::*;
 use pod_account::{self, PodAccount};
 use types::state_diff::StateDiff;

ethcore/src/snapshot/consensus/work.rs

@@ -37,11 +37,24 @@ use rand::OsRng;
 /// Snapshot creation and restoration for PoW chains.
 /// This includes blocks from the head of the chain as a
 /// loose assurance that the chain is valid.
-///
-/// The field is the number of blocks from the head of the chain
-/// to include in the snapshot.
 #[derive(Clone, Copy, PartialEq)]
-pub struct PowSnapshot(pub u64);
+pub struct PowSnapshot {
+	/// Number of blocks from the head of the chain
+	/// to include in the snapshot.
+	pub blocks: u64,
+	/// Number of to allow in the snapshot when restoring.
+	pub max_restore_blocks: u64,
+}
+
+impl PowSnapshot {
+	/// Create a new instance.
+	pub fn new(blocks: u64, max_restore_blocks: u64) -> PowSnapshot {
+		PowSnapshot {
+			blocks: blocks,
+			max_restore_blocks: max_restore_blocks,
+		}
+	}
+}
 
 impl SnapshotComponents for PowSnapshot {
 	fn chunk_all(
@@ -57,7 +70,7 @@ impl SnapshotComponents for PowSnapshot {
 			current_hash: block_at,
 			writer: chunk_sink,
 			preferred_size: preferred_size,
-		}.chunk_all(self.0)
+		}.chunk_all(self.blocks)
 	}
 
 	fn rebuilder(
@@ -66,7 +79,7 @@ impl SnapshotComponents for PowSnapshot {
 		db: Arc<KeyValueDB>,
 		manifest: &ManifestData,
 	) -> Result<Box<Rebuilder>, ::error::Error> {
-		PowRebuilder::new(chain, db, manifest, self.0).map(|r| Box::new(r) as Box<_>)
+		PowRebuilder::new(chain, db, manifest, self.max_restore_blocks).map(|r| Box::new(r) as Box<_>)
 	}
 
 	fn min_supported_version(&self) -> u64 { ::snapshot::MIN_SUPPORTED_STATE_CHUNK_VERSION }
@@ -218,7 +231,7 @@ impl Rebuilder for PowRebuilder {
 		trace!(target: "snapshot", "restoring block chunk with {} blocks.", item_count - 3);
 
 		if self.fed_blocks + num_blocks > self.snapshot_blocks {
-			return Err(Error::TooManyBlocks(self.snapshot_blocks, self.fed_blocks).into())
+			return Err(Error::TooManyBlocks(self.snapshot_blocks, self.fed_blocks + num_blocks).into())
 		}
 
 		// todo: assert here that these values are consistent with chunks being in order.

ethcore/src/snapshot/io.rs

@@ -27,7 +27,7 @@ use std::path::{Path, PathBuf};
 
 use util::Bytes;
 use util::hash::H256;
-use rlp::{self, Encodable, RlpStream, UntrustedRlp};
+use rlp::{RlpStream, UntrustedRlp};
 
 use super::ManifestData;
 
@@ -49,24 +49,9 @@ pub trait SnapshotWriter {
 }
 
 // (hash, len, offset)
+#[derive(RlpEncodable, RlpDecodable)]
 struct ChunkInfo(H256, u64, u64);
 
-impl Encodable for ChunkInfo {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(3);
-		s.append(&self.0).append(&self.1).append(&self.2);
-	}
-}
-
-impl rlp::Decodable for ChunkInfo {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, rlp::DecoderError> {
-		let hash = rlp.val_at(0)?;
-		let len = rlp.val_at(1)?;
-		let off = rlp.val_at(2)?;
-		Ok(ChunkInfo(hash, len, off))
-	}
-}
-
 /// A packed snapshot writer. This writes snapshots to a single concatenated file.
 ///
 /// The file format is very simple and consists of three parts:

ethcore/src/snapshot/tests/proof_of_authority.rs

@@ -130,7 +130,7 @@ fn make_chain(accounts: Arc<AccountProvider>, blocks_beyond: usize, transitions:
 				action: Action::Call(Address::new()),
 				value: 1.into(),
 				data: Vec::new(),
-			}.sign(&*RICH_SECRET, client.signing_network_id());
+			}.sign(&*RICH_SECRET, client.signing_chain_id());
 
 			*nonce = *nonce + 1.into();
 			vec![transaction]
@@ -176,7 +176,7 @@ fn make_chain(accounts: Arc<AccountProvider>, blocks_beyond: usize, transitions:
 							action: Action::Call(addr),
 							value: 0.into(),
 							data: data,
-						}.sign(&*RICH_SECRET, client.signing_network_id());
+						}.sign(&*RICH_SECRET, client.signing_chain_id());
 
 						pending.push(transaction);
 

ethcore/src/snapshot/tests/proof_of_work.rs

@@ -30,7 +30,7 @@ use util::kvdb::{self, KeyValueDB, DBTransaction};
 use std::sync::Arc;
 use std::sync::atomic::AtomicBool;
 
-const SNAPSHOT_MODE: ::snapshot::PowSnapshot = ::snapshot::PowSnapshot(30000);
+const SNAPSHOT_MODE: ::snapshot::PowSnapshot = ::snapshot::PowSnapshot { blocks: 30000, max_restore_blocks: 30000 };
 
 fn chunk_and_restore(amount: u64) {
 	let mut canon_chain = ChainGenerator::default();

ethcore/src/spec/spec.rs

@@ -380,6 +380,9 @@ impl Spec {
 	/// Get the configured Network ID.
 	pub fn network_id(&self) -> u64 { self.params().network_id }
 
+	/// Get the chain ID used for signing.
+	pub fn chain_id(&self) -> u64 { self.params().chain_id }
+
 	/// Get the configured subprotocol name.
 	pub fn subprotocol_name(&self) -> String { self.params().subprotocol_name.clone() }
 

ethcore/src/tests/helpers.rs

@@ -211,7 +211,7 @@ pub fn generate_dummy_client_with_spec_accounts_and_data<F>(get_test_spec: F, ac
 				action: Action::Create,
 				data: vec![],
 				value: U256::zero(),
-			}.sign(kp.secret(), Some(test_spec.network_id())), None).unwrap();
+			}.sign(kp.secret(), Some(test_spec.chain_id())), None).unwrap();
 			n += 1;
 		}
 

ethcore/src/trace/bloom.rs

@@ -1,10 +1,9 @@
 use bloomchain::Bloom;
 use bloomchain::group::{BloomGroup, GroupPosition};
-use rlp::*;
 use basic_types::LogBloom;
 
 /// Helper structure representing bloom of the trace.
-#[derive(Clone)]
+#[derive(Clone, RlpEncodableWrapper, RlpDecodableWrapper)]
 pub struct BlockTracesBloom(LogBloom);
 
 impl From<LogBloom> for BlockTracesBloom {
@@ -28,7 +27,7 @@ impl Into<Bloom> for BlockTracesBloom {
 }
 
 /// Represents group of X consecutive blooms.
-#[derive(Clone)]
+#[derive(Clone, RlpEncodableWrapper, RlpDecodableWrapper)]
 pub struct BlockTracesBloomGroup {
 	blooms: Vec<BlockTracesBloom>,
 }
@@ -59,34 +58,6 @@ impl Into<BloomGroup> for BlockTracesBloomGroup {
 	}
 }
 
-impl Decodable for BlockTracesBloom {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		LogBloom::decode(rlp).map(BlockTracesBloom)
-	}
-}
-
-impl Encodable for BlockTracesBloom {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		Encodable::rlp_append(&self.0, s)
-	}
-}
-
-impl Decodable for BlockTracesBloomGroup {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let blooms = rlp.as_list()?;
-		let group = BlockTracesBloomGroup {
-			blooms: blooms
-		};
-		Ok(group)
-	}
-}
-
-impl Encodable for BlockTracesBloomGroup {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.append_list(&self.blooms);
-	}
-}
-
 /// Represents `BloomGroup` position in database.
 #[derive(PartialEq, Eq, Hash, Clone, Debug)]
 pub struct TraceGroupPosition {

ethcore/src/trace/types/flat.rs

@@ -77,7 +77,7 @@ impl Decodable for FlatTrace {
 }
 
 /// Represents all traces produced by a single transaction.
-#[derive(Debug, PartialEq, Clone)]
+#[derive(Debug, PartialEq, Clone, RlpEncodableWrapper, RlpDecodableWrapper)]
 pub struct FlatTransactionTraces(Vec<FlatTrace>);
 
 impl From<Vec<FlatTrace>> for FlatTransactionTraces {
@@ -99,18 +99,6 @@ impl FlatTransactionTraces {
 	}
 }
 
-impl Encodable for FlatTransactionTraces {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.append_list(&self.0);
-	}
-}
-
-impl Decodable for FlatTransactionTraces {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(FlatTransactionTraces(rlp.as_list()?))
-	}
-}
-
 impl Into<Vec<FlatTrace>> for FlatTransactionTraces {
 	fn into(self) -> Vec<FlatTrace> {
 		self.0
@@ -118,7 +106,7 @@ impl Into<Vec<FlatTrace>> for FlatTransactionTraces {
 }
 
 /// Represents all traces produced by transactions in a single block.
-#[derive(Debug, PartialEq, Clone, Default)]
+#[derive(Debug, PartialEq, Clone, Default, RlpEncodableWrapper, RlpDecodableWrapper)]
 pub struct FlatBlockTraces(Vec<FlatTransactionTraces>);
 
 impl HeapSizeOf for FlatBlockTraces {
@@ -140,18 +128,6 @@ impl FlatBlockTraces {
 	}
 }
 
-impl Encodable for FlatBlockTraces {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.append_list(&self.0);
-	}
-}
-
-impl Decodable for FlatBlockTraces {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(FlatBlockTraces(rlp.as_list()?))
-	}
-}
-
 impl Into<Vec<FlatTransactionTraces>> for FlatBlockTraces {
 	fn into(self) -> Vec<FlatTransactionTraces> {
 		self.0

ethcore/src/trace/types/trace.rs

@@ -27,7 +27,7 @@ use evm::CallType;
 use super::error::Error;
 
 /// `Call` result.
-#[derive(Debug, Clone, PartialEq, Default)]
+#[derive(Debug, Clone, PartialEq, Default, RlpEncodable, RlpDecodable)]
 #[cfg_attr(feature = "ipc", binary)]
 pub struct CallResult {
 	/// Gas used by call.
@@ -36,27 +36,8 @@ pub struct CallResult {
 	pub output: Bytes,
 }
 
-impl Encodable for CallResult {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(2);
-		s.append(&self.gas_used);
-		s.append(&self.output);
-	}
-}
-
-impl Decodable for CallResult {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let res = CallResult {
-			gas_used: rlp.val_at(0)?,
-			output: rlp.val_at(1)?,
-		};
-
-		Ok(res)
-	}
-}
-
 /// `Create` result.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, RlpEncodable, RlpDecodable)]
 #[cfg_attr(feature = "ipc", binary)]
 pub struct CreateResult {
 	/// Gas used by create.
@@ -67,27 +48,6 @@ pub struct CreateResult {
 	pub address: Address,
 }
 
-impl Encodable for CreateResult {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(3);
-		s.append(&self.gas_used);
-		s.append(&self.code);
-		s.append(&self.address);
-	}
-}
-
-impl Decodable for CreateResult {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let res = CreateResult {
-			gas_used: rlp.val_at(0)?,
-			code: rlp.val_at(1)?,
-			address: rlp.val_at(2)?,
-		};
-
-		Ok(res)
-	}
-}
-
 impl CreateResult {
 	/// Returns bloom.
 	pub fn bloom(&self) -> LogBloom {
@@ -96,7 +56,7 @@ impl CreateResult {
 }
 
 /// Description of a _call_ action, either a `CALL` operation or a message transction.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, RlpEncodable, RlpDecodable)]
 #[cfg_attr(feature = "ipc", binary)]
 pub struct Call {
 	/// The sending account.
@@ -126,33 +86,6 @@ impl From<ActionParams> for Call {
 	}
 }
 
-impl Encodable for Call {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(6);
-		s.append(&self.from);
-		s.append(&self.to);
-		s.append(&self.value);
-		s.append(&self.gas);
-		s.append(&self.input);
-		s.append(&self.call_type);
-	}
-}
-
-impl Decodable for Call {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let res = Call {
-			from: rlp.val_at(0)?,
-			to: rlp.val_at(1)?,
-			value: rlp.val_at(2)?,
-			gas: rlp.val_at(3)?,
-			input: rlp.val_at(4)?,
-			call_type: rlp.val_at(5)?,
-		};
-
-		Ok(res)
-	}
-}
-
 impl Call {
 	/// Returns call action bloom.
 	/// The bloom contains from and to addresses.
@@ -163,7 +96,7 @@ impl Call {
 }
 
 /// Description of a _create_ action, either a `CREATE` operation or a create transction.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, RlpEncodable, RlpDecodable)]
 #[cfg_attr(feature = "ipc", binary)]
 pub struct Create {
 	/// The address of the creator.
@@ -187,29 +120,6 @@ impl From<ActionParams> for Create {
 	}
 }
 
-impl Encodable for Create {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(4);
-		s.append(&self.from);
-		s.append(&self.value);
-		s.append(&self.gas);
-		s.append(&self.init);
-	}
-}
-
-impl Decodable for Create {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let res = Create {
-			from: rlp.val_at(0)?,
-			value: rlp.val_at(1)?,
-			gas: rlp.val_at(2)?,
-			init: rlp.val_at(3)?,
-		};
-
-		Ok(res)
-	}
-}
-
 impl Create {
 	/// Returns bloom create action bloom.
 	/// The bloom contains only from address.
@@ -219,7 +129,7 @@ impl Create {
 }
 
 /// Suicide action.
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, RlpEncodable, RlpDecodable)]
 #[cfg_attr(feature = "ipc", binary)]
 pub struct Suicide {
 	/// Suicided address.
@@ -238,28 +148,6 @@ impl Suicide {
 	}
 }
 
-impl Encodable for Suicide {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(3);
-		s.append(&self.address);
-		s.append(&self.refund_address);
-		s.append(&self.balance);
-	}
-}
-
-impl Decodable for Suicide {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let res = Suicide {
-			address: rlp.val_at(0)?,
-			refund_address: rlp.val_at(1)?,
-			balance: rlp.val_at(2)?,
-		};
-
-		Ok(res)
-	}
-}
-
-
 /// Description of an action that we trace; will be either a call or a create.
 #[derive(Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "ipc", binary)]
@@ -394,7 +282,7 @@ impl Res {
 	}
 }
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, RlpEncodable, RlpDecodable)]
 #[cfg_attr(feature = "ipc", binary)]
 /// A diff of some chunk of memory.
 pub struct MemoryDiff {
@@ -404,24 +292,7 @@ pub struct MemoryDiff {
 	pub data: Bytes,
 }
 
-impl Encodable for MemoryDiff {
+#[derive(Debug, Clone, PartialEq, RlpEncodable, RlpDecodable)]
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(2);
-		s.append(&self.offset);
-		s.append(&self.data);
-	}
-}
-
-impl Decodable for MemoryDiff {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(MemoryDiff {
-			offset: rlp.val_at(0)?,
-			data: rlp.val_at(1)?,
-		})
-	}
-}
-
-#[derive(Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "ipc", binary)]
 /// A diff of some storage value.
 pub struct StorageDiff {
@@ -431,24 +302,7 @@ pub struct StorageDiff {
 	pub value: U256,
 }
 
-impl Encodable for StorageDiff {
+#[derive(Debug, Clone, PartialEq, RlpEncodable, RlpDecodable)]
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(2);
-		s.append(&self.location);
-		s.append(&self.value);
-	}
-}
-
-impl Decodable for StorageDiff {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(StorageDiff {
-			location: rlp.val_at(0)?,
-			value: rlp.val_at(1)?,
-		})
-	}
-}
-
-#[derive(Debug, Clone, PartialEq)]
 #[cfg_attr(feature = "ipc", binary)]
 /// A record of an executed VM operation.
 pub struct VMExecutedOperation {
@@ -462,28 +316,7 @@ pub struct VMExecutedOperation {
 	pub store_diff: Option<StorageDiff>,
 }
 
-impl Encodable for VMExecutedOperation {
+#[derive(Debug, Clone, PartialEq, Default, RlpEncodable, RlpDecodable)]
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(4);
-		s.append(&self.gas_used);
-		s.append_list(&self.stack_push);
-		s.append(&self.mem_diff);
-		s.append(&self.store_diff);
-	}
-}
-
-impl Decodable for VMExecutedOperation {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(VMExecutedOperation {
-			gas_used: rlp.val_at(0)?,
-			stack_push: rlp.list_at(1)?,
-			mem_diff: rlp.val_at(2)?,
-			store_diff: rlp.val_at(3)?,
-		})
-	}
-}
-
-#[derive(Debug, Clone, PartialEq, Default)]
 #[cfg_attr(feature = "ipc", binary)]
 /// A record of the execution of a single VM operation.
 pub struct VMOperation {
@@ -497,30 +330,7 @@ pub struct VMOperation {
 	pub executed: Option<VMExecutedOperation>,
 }
 
-impl Encodable for VMOperation {
+#[derive(Debug, Clone, PartialEq, Default, RlpEncodable, RlpDecodable)]
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(4);
-		s.append(&self.pc);
-		s.append(&self.instruction);
-		s.append(&self.gas_cost);
-		s.append(&self.executed);
-	}
-}
-
-impl Decodable for VMOperation {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let res = VMOperation {
-			pc: rlp.val_at(0)?,
-			instruction: rlp.val_at(1)?,
-			gas_cost: rlp.val_at(2)?,
-			executed: rlp.val_at(3)?,
-		};
-
-		Ok(res)
-	}
-}
-
-#[derive(Debug, Clone, PartialEq, Default)]
 #[cfg_attr(feature = "ipc", binary)]
 /// A record of a full VM trace for a CALL/CREATE.
 pub struct VMTrace {
@@ -534,26 +344,3 @@ pub struct VMTrace {
 	/// Thre is a 1:1 correspondance between these and a CALL/CREATE/CALLCODE/DELEGATECALL instruction.
 	pub subs: Vec<VMTrace>,
 }
-
-impl Encodable for VMTrace {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(4);
-		s.append(&self.parent_step);
-		s.append(&self.code);
-		s.append_list(&self.operations);
-		s.append_list(&self.subs);
-	}
-}
-
-impl Decodable for VMTrace {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let res = VMTrace {
-			parent_step: rlp.val_at(0)?,
-			code: rlp.val_at(1)?,
-			operations: rlp.list_at(2)?,
-			subs: rlp.list_at(3)?,
-		};
-
-		Ok(res)
-	}
-}

ethcore/src/transaction.rs

@@ -56,6 +56,15 @@ impl Decodable for Action {
 	}
 }
 
+impl Encodable for Action {
+	fn rlp_append(&self, s: &mut RlpStream) {
+		match *self {
+			Action::Create => s.append_internal(&""),
+			Action::Call(ref addr) => s.append_internal(addr),
+		};
+	}
+}
+
 /// Transaction activation condition.
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum Condition {
@@ -85,18 +94,15 @@ pub struct Transaction {
 
 impl Transaction {
 	/// Append object with a without signature into RLP stream
-	pub fn rlp_append_unsigned_transaction(&self, s: &mut RlpStream, network_id: Option<u64>) {
+	pub fn rlp_append_unsigned_transaction(&self, s: &mut RlpStream, chain_id: Option<u64>) {
-		s.begin_list(if network_id.is_none() { 6 } else { 9 });
+		s.begin_list(if chain_id.is_none() { 6 } else { 9 });
 		s.append(&self.nonce);
 		s.append(&self.gas_price);
 		s.append(&self.gas);
-		match self.action {
+		s.append(&self.action);
-			Action::Create => s.append_empty_data(),
-			Action::Call(ref to) => s.append(to)
-		};
 		s.append(&self.value);
 		s.append(&self.data);
-		if let Some(n) = network_id {
+		if let Some(n) = chain_id {
 			s.append(&n);
 			s.append(&0u8);
 			s.append(&0u8);
@@ -157,27 +163,27 @@ impl From<ethjson::transaction::Transaction> for UnverifiedTransaction {
 
 impl Transaction {
 	/// The message hash of the transaction.
-	pub fn hash(&self, network_id: Option<u64>) -> H256 {
+	pub fn hash(&self, chain_id: Option<u64>) -> H256 {
 		let mut stream = RlpStream::new();
-		self.rlp_append_unsigned_transaction(&mut stream, network_id);
+		self.rlp_append_unsigned_transaction(&mut stream, chain_id);
 		stream.as_raw().sha3()
 	}
 
 	/// Signs the transaction as coming from `sender`.
-	pub fn sign(self, secret: &Secret, network_id: Option<u64>) -> SignedTransaction {
+	pub fn sign(self, secret: &Secret, chain_id: Option<u64>) -> SignedTransaction {
-		let sig = ::ethkey::sign(secret, &self.hash(network_id))
+		let sig = ::ethkey::sign(secret, &self.hash(chain_id))
 			.expect("data is valid and context has signing capabilities; qed");
-		SignedTransaction::new(self.with_signature(sig, network_id))
+		SignedTransaction::new(self.with_signature(sig, chain_id))
 			.expect("secret is valid so it's recoverable")
 	}
 
 	/// Signs the transaction with signature.
-	pub fn with_signature(self, sig: Signature, network_id: Option<u64>) -> UnverifiedTransaction {
+	pub fn with_signature(self, sig: Signature, chain_id: Option<u64>) -> UnverifiedTransaction {
 		UnverifiedTransaction {
 			unsigned: self,
 			r: sig.r().into(),
 			s: sig.s().into(),
-			v: sig.v() as u64 + if let Some(n) = network_id { 35 + n * 2 } else { 27 },
+			v: sig.v() as u64 + if let Some(n) = chain_id { 35 + n * 2 } else { 27 },
 			hash: 0.into(),
 		}.compute_hash()
 	}
@@ -210,13 +216,13 @@ impl Transaction {
 	}
 
 	/// Add EIP-86 compatible empty signature.
-	pub fn null_sign(self, network_id: u64) -> SignedTransaction {
+	pub fn null_sign(self, chain_id: u64) -> SignedTransaction {
 		SignedTransaction {
 			transaction: UnverifiedTransaction {
 				unsigned: self,
 				r: U256::zero(),
 				s: U256::zero(),
-				v: network_id,
+				v: chain_id,
 				hash: 0.into(),
 			}.compute_hash(),
 			sender: UNSIGNED_SENDER,
@@ -244,7 +250,7 @@ pub struct UnverifiedTransaction {
 	/// Plain Transaction.
 	unsigned: Transaction,
 	/// The V field of the signature; the LS bit described which half of the curve our point falls
-	/// in. The MS bits describe which network this transaction is for. If 27/28, its for all networks.
+	/// in. The MS bits describe which chain this transaction is for. If 27/28, its for all chains.
 	v: u64,
 	/// The R field of the signature; helps describe the point on the curve.
 	r: U256,
@@ -308,10 +314,7 @@ impl UnverifiedTransaction {
 		s.append(&self.nonce);
 		s.append(&self.gas_price);
 		s.append(&self.gas);
-		match self.action {
+		s.append(&self.action);
-			Action::Create => s.append_empty_data(),
-			Action::Call(ref to) => s.append(to)
-		};
 		s.append(&self.value);
 		s.append(&self.data);
 		s.append(&self.v);
@@ -330,8 +333,8 @@ impl UnverifiedTransaction {
 	/// The `v` value that appears in the RLP.
 	pub fn original_v(&self) -> u64 { self.v }
 
-	/// The network ID, or `None` if this is a global transaction.
+	/// The chain ID, or `None` if this is a global transaction.
-	pub fn network_id(&self) -> Option<u64> {
+	pub fn chain_id(&self) -> Option<u64> {
 		match self.v {
 			v if self.is_unsigned() => Some(v),
 			v if v > 36 => Some((v - 35) / 2),
@@ -360,15 +363,15 @@ impl UnverifiedTransaction {
 
 	/// Recovers the public key of the sender.
 	pub fn recover_public(&self) -> Result<Public, Error> {
-		Ok(recover(&self.signature(), &self.unsigned.hash(self.network_id()))?)
+		Ok(recover(&self.signature(), &self.unsigned.hash(self.chain_id()))?)
 	}
 
 	/// Do basic validation, checking for valid signature and minimum gas,
 	// TODO: consider use in block validation.
 	#[cfg(test)]
 	#[cfg(feature = "json-tests")]
-	pub fn validate(self, schedule: &Schedule, require_low: bool, allow_network_id_of_one: bool, allow_empty_signature: bool) -> Result<UnverifiedTransaction, Error> {
+	pub fn validate(self, schedule: &Schedule, require_low: bool, allow_chain_id_of_one: bool, allow_empty_signature: bool) -> Result<UnverifiedTransaction, Error> {
-		let chain_id = if allow_network_id_of_one { Some(1) } else { None };
+		let chain_id = if allow_chain_id_of_one { Some(1) } else { None };
 		self.verify_basic(require_low, chain_id, allow_empty_signature)?;
 		if !allow_empty_signature || !self.is_unsigned() {
 			self.recover_public()?;
@@ -388,10 +391,10 @@ impl UnverifiedTransaction {
 		if allow_empty_signature && self.is_unsigned() && !(self.gas_price.is_zero() && self.value.is_zero() && self.nonce.is_zero()) {
 			return Err(EthkeyError::InvalidSignature.into())
 		}
-		match (self.network_id(), chain_id) {
+		match (self.chain_id(), chain_id) {
 			(None, _) => {},
 			(Some(n), Some(m)) if n == m => {},
-			_ => return Err(TransactionError::InvalidNetworkId.into()),
+			_ => return Err(TransactionError::InvalidChainId.into()),
 		};
 		Ok(())
 	}
@@ -555,7 +558,7 @@ mod tests {
 		} else { panic!(); }
 		assert_eq!(t.value, U256::from(0x0au64));
 		assert_eq!(public_to_address(&t.recover_public().unwrap()), "0f65fe9276bc9a24ae7083ae28e2660ef72df99e".into());
-		assert_eq!(t.network_id(), None);
+		assert_eq!(t.chain_id(), None);
 	}
 
 	#[test]
@@ -572,7 +575,7 @@ mod tests {
 			data: b"Hello!".to_vec()
 		}.sign(&key.secret(), None);
 		assert_eq!(Address::from(key.public().sha3()), t.sender());
-		assert_eq!(t.network_id(), None);
+		assert_eq!(t.chain_id(), None);
 	}
 
 	#[test]
@@ -586,15 +589,15 @@ mod tests {
 			data: b"Hello!".to_vec()
 		}.fake_sign(Address::from(0x69));
 		assert_eq!(Address::from(0x69), t.sender());
-		assert_eq!(t.network_id(), None);
+		assert_eq!(t.chain_id(), None);
 
 		let t = t.clone();
 		assert_eq!(Address::from(0x69), t.sender());
-		assert_eq!(t.network_id(), None);
+		assert_eq!(t.chain_id(), None);
 	}
 
 	#[test]
-	fn should_recover_from_network_specific_signing() {
+	fn should_recover_from_chain_specific_signing() {
 		use ethkey::{Random, Generator};
 		let key = Random.generate().unwrap();
 		let t = Transaction {
@@ -606,7 +609,7 @@ mod tests {
 			data: b"Hello!".to_vec()
 		}.sign(&key.secret(), Some(69));
 		assert_eq!(Address::from(key.public().sha3()), t.sender());
-		assert_eq!(t.network_id(), Some(69));
+		assert_eq!(t.chain_id(), Some(69));
 	}
 
 	#[test]
@@ -617,7 +620,7 @@ mod tests {
 			let signed = decode(&FromHex::from_hex(tx_data).unwrap());
 			let signed = SignedTransaction::new(signed).unwrap();
 			assert_eq!(signed.sender(), address.into());
-			flushln!("networkid: {:?}", signed.network_id());
+			flushln!("chainid: {:?}", signed.chain_id());
 		};
 
 		test_vector("f864808504a817c800825208943535353535353535353535353535353535353535808025a0044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116da0044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d", "0xf0f6f18bca1b28cd68e4357452947e021241e9ce");

ethcore/types/Cargo.toml

@@ -6,6 +6,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 
 [dependencies]
 rlp = { path = "../../util/rlp" }
+rlp_derive = { path = "../../util/rlp_derive" }
 ethcore-util = { path = "../../util" }
 ethjson = { path = "../../json" }
 bloomable = { path = "../../util/bloomable" }

ethcore/types/src/basic_account.rs

@@ -16,11 +16,10 @@
 
 //! Basic account type -- the decoded RLP from the state trie.
 
-use rlp::*;
 use util::{U256, H256};
 
 /// Basic account type.
-#[derive(Debug, Clone, PartialEq, Eq)]
+#[derive(Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 pub struct BasicAccount {
 	/// Nonce of the account.
 	pub nonce: U256,
@@ -31,24 +30,3 @@ pub struct BasicAccount {
 	/// Code hash of the account.
 	pub code_hash: H256,
 }
-
-impl Encodable for BasicAccount {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(4)
-			.append(&self.nonce)
-			.append(&self.balance)
-			.append(&self.storage_root)
-			.append(&self.code_hash);
-	}
-}
-
-impl Decodable for BasicAccount {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		Ok(BasicAccount {
-			nonce: rlp.val_at(0)?,
-			balance: rlp.val_at(1)?,
-			storage_root: rlp.val_at(2)?,
-			code_hash: rlp.val_at(3)?,
-		})
-	}
-}

ethcore/types/src/lib.rs

@@ -19,6 +19,8 @@
 extern crate ethcore_util as util;
 extern crate ethjson;
 extern crate rlp;
+#[macro_use]
+extern crate rlp_derive;
 extern crate bloomable;
 
 #[cfg(test)]

ethcore/types/src/log_entry.rs

@@ -19,7 +19,6 @@
 use std::ops::Deref;
 use util::{H256, Address, Bytes, HeapSizeOf, Hashable};
 use bloomable::Bloomable;
-use rlp::*;
 
 use {BlockNumber};
 use ethjson;
@@ -27,7 +26,7 @@ use ethjson;
 pub type LogBloom = ::util::H2048;
 
 /// A record of execution for a `LOG` operation.
-#[derive(Default, Debug, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Clone, PartialEq, Eq, RlpEncodable, RlpDecodable)]
 pub struct LogEntry {
 	/// The address of the contract executing at the point of the `LOG` operation.
 	pub address: Address,
@@ -37,26 +36,6 @@ pub struct LogEntry {
 	pub data: Bytes,
 }
 
-impl Encodable for LogEntry {
-	fn rlp_append(&self, s: &mut RlpStream) {
-		s.begin_list(3);
-		s.append(&self.address);
-		s.append_list(&self.topics);
-		s.append(&self.data);
-	}
-}
-
-impl Decodable for LogEntry {
-	fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
-		let entry = LogEntry {
-			address: rlp.val_at(0)?,
-			topics: rlp.list_at(1)?,
-			data: rlp.val_at(2)?,
-		};
-		Ok(entry)
-	}
-}
-
 impl HeapSizeOf for LogEntry {
 	fn heap_size_of_children(&self) -> usize {
 		self.topics.heap_size_of_children() + self.data.heap_size_of_children()

ethcore/wasm/src/env.rs

@@ -17,8 +17,9 @@
 //! Wasm env module bindings
 
 use parity_wasm::elements::ValueType::*;
-use parity_wasm::interpreter::UserFunctionDescriptor;
+use parity_wasm::interpreter::{self, UserFunctionDescriptor};
 use parity_wasm::interpreter::UserFunctionDescriptor::*;
+use super::runtime::Runtime;
 
 pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
 	Static(
@@ -81,63 +82,29 @@ pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
 		&[I32],
 		None,
 	),
-	Static(
-		"_abort",
-		&[],
-		None,
-	),
-	Static(
-		"abortOnCannotGrowMemory",
-		&[I32; 0],
-		Some(I32)
-	),
-
-	/*
-		THIS IS EXPERIMENTAL RUST-ONLY RUNTIME EXTERNS, THEY ARE SUBJECT TO CHANGE
-
-		AVOID YOUR WASM CONTAINS ANY OF THESE OTHERWISE
-			EITHER FACE THE NEED OF HARDFORK
-			OR YOU CAN STUCK ON SPECIFIC RUST VERSION FOR WASM COMPILATION
-	*/
-
-	Static(
-		"_rust_begin_unwind",
-		&[I32; 4],
-		None,
-	),
 	Static(
 		"_emscripten_memcpy_big",
 		&[I32; 3],
 		Some(I32),
 	),
-	Static(
+
-		"___syscall6",
+	// TODO: Get rid of it also somehow?
-		&[I32; 2],
-		Some(I32),
-	),
-	Static(
-		"___syscall140",
-		&[I32; 2],
-		Some(I32)
-	),
-	Static(
-		"___syscall146",
-		&[I32; 2],
-		Some(I32)
-	),
-	Static(
-		"___syscall54",
-		&[I32; 2],
-		Some(I32)
-	),
 	Static(
 		"_llvm_trap",
 		&[I32; 0],
 		None
 	),
+
 	Static(
-		"___setErrNo",
+		"_llvm_bswap_i64",
-		&[I32; 1],
+		&[I32; 2],
-		None
+		Some(I32)
 	),
 ];
+
+pub fn native_bindings<'a>(runtime: &'a mut Runtime) -> interpreter::UserFunctions<'a> {
+	interpreter::UserFunctions {
+		executor: runtime,
+		functions: ::std::borrow::Cow::from(SIGNATURES),
+	}
+}

ethcore/wasm/src/lib.rs

@@ -32,8 +32,6 @@ mod result;
 mod tests;
 mod env;
 
-use std::sync::Arc;
-
 const DEFAULT_STACK_SPACE: u32 = 5 * 1024 * 1024;
 
 use parity_wasm::{interpreter, elements};
@@ -89,6 +87,7 @@ impl vm::Vm for WasmInterpreter {
 			DEFAULT_STACK_SPACE,
 			params.gas.low_u64(),
 			RuntimeContext::new(params.address, params.sender),
+			&self.program,
 		);
 
 		let mut cursor = ::std::io::Cursor::new(&*code);
@@ -112,16 +111,8 @@ impl vm::Vm for WasmInterpreter {
 		)?;
 
 		{
-			let execution_params = interpreter::ExecutionParams::with_external(
+			let execution_params = runtime.execution_params()
-				"env".into(),
+				.add_argument(interpreter::RuntimeValue::I32(d_ptr.as_raw() as i32));
-				Arc::new(
-					interpreter::env_native_module(env_instance, native_bindings(&mut runtime))
-						.map_err(|err| {
-							// todo: prefer explicit panic here also?
-							vm::Error::Wasm(format!("Error instantiating native bindings: {:?}", err))
-						})?
-				)
-			).add_argument(interpreter::RuntimeValue::I32(d_ptr.as_raw() as i32));
 
 			let module_instance = self.program.add_module("contract", contract_module, Some(&execution_params.externals))
 				.map_err(|err| {
@@ -158,13 +149,6 @@ impl vm::Vm for WasmInterpreter {
 	}
 }
 
-fn native_bindings<'a>(runtime: &'a mut Runtime) -> interpreter::UserFunctions<'a> {
-	interpreter::UserFunctions {
-		executor: runtime,
-		functions: ::std::borrow::Cow::from(env::SIGNATURES),
-	}
-}
-
 impl From<runtime::Error> for vm::Error {
 	fn from(err: runtime::Error) -> vm::Error {
 		vm::Error::Wasm(format!("WASM runtime-error: {:?}", err))

ethcore/wasm/src/runtime.rs

@@ -72,24 +72,26 @@ impl RuntimeContext {
 }
 
 /// Runtime enviroment data for wasm contract execution
-pub struct Runtime<'a> {
+pub struct Runtime<'a, 'b> {
 	gas_counter: u64,
 	gas_limit: u64,
 	dynamic_top: u32,
 	ext: &'a mut vm::Ext,
 	memory: Arc<interpreter::MemoryInstance>,
 	context: RuntimeContext,
+	instance: &'b interpreter::ProgramInstance,
 }
 
-impl<'a> Runtime<'a> {
+impl<'a, 'b> Runtime<'a, 'b> {
 	/// New runtime for wasm contract with specified params
-	pub fn with_params<'b>(
+	pub fn with_params<'c, 'd>(
-		ext: &'b mut vm::Ext,
+		ext: &'c mut vm::Ext,
 		memory: Arc<interpreter::MemoryInstance>,
 		stack_space: u32,
 		gas_limit: u64,
 		context: RuntimeContext,
-	) -> Runtime<'b> {
+		program_instance: &'d interpreter::ProgramInstance,
+	) -> Runtime<'c, 'd> {
 		Runtime {
 			gas_counter: 0,
 			gas_limit: gas_limit,
@@ -97,6 +99,7 @@ impl<'a> Runtime<'a> {
 			memory: memory,
 			ext: ext,
 			context: context,
+			instance: program_instance,
 		}
 	}
 
@@ -449,9 +452,58 @@ impl<'a> Runtime<'a> {
 
 		Ok(Some(0i32.into()))
 	}
+
+	fn bswap_32(x: u32) -> u32 {
+		x >> 24 | x >> 8 & 0xff00 | x << 8 & 0xff0000 | x << 24
+	}
+
+	fn bitswap_i64(&mut self, context: interpreter::CallerContext)
+		-> Result<Option<interpreter::RuntimeValue>, interpreter::Error>
+	{
+		let x1 = context.value_stack.pop_as::<i32>()?;
+		let x2 = context.value_stack.pop_as::<i32>()?;
+
+		let result = ((Runtime::bswap_32(x2 as u32) as u64) << 32
+			| Runtime::bswap_32(x1 as u32) as u64) as i64;
+
+		self.return_i64(result)
+	}
+
+	fn return_i64(&mut self, val: i64) -> Result<Option<interpreter::RuntimeValue>, interpreter::Error> {
+		let uval = val as u64;
+		let hi = (uval >> 32) as i32;
+		let lo = (uval << 32 >> 32) as i32;
+
+		let target = self.instance.module("contract")
+			.ok_or(interpreter::Error::Trap("Error locating main execution entry".to_owned()))?;
+		target.execute_export(
+			"setTempRet0",
+			self.execution_params().add_argument(
+				interpreter::RuntimeValue::I32(hi).into()
+			),
+		)?;
+		Ok(Some(
+			(lo).into()
+		))
+	}
+
+	pub fn execution_params(&mut self) -> interpreter::ExecutionParams {
+		use super::env;
+
+		let env_instance = self.instance.module("env")
+			.expect("Env module always exists; qed");
+
+		interpreter::ExecutionParams::with_external(
+			"env".into(),
+			Arc::new(
+				interpreter::env_native_module(env_instance, env::native_bindings(self))
+					.expect("Env module always exists; qed")
+			)
+		)
+	}
 }
 
-impl<'a> interpreter::UserFunctionExecutor for Runtime<'a> {
+impl<'a, 'b> interpreter::UserFunctionExecutor for Runtime<'a, 'b> {
 	fn execute(&mut self, name: &str, context: interpreter::CallerContext)
 		-> Result<Option<interpreter::RuntimeValue>, interpreter::Error>
 	{
@@ -494,6 +546,9 @@ impl<'a> interpreter::UserFunctionExecutor for Runtime<'a> {
 			"_emscripten_memcpy_big" => {
 				self.mem_copy(context)
 			},
+			"_llvm_bswap_i64" => {
+				self.bitswap_i64(context)
+			},
 			_ => {
 				trace!(target: "wasm", "Trapped due to unhandled function: '{}'", name);
 				self.user_trap(context)

ethcore/wasm/src/tests.rs

@@ -57,7 +57,7 @@ fn empty() {
 		test_finalize(interpreter.exec(params, &mut ext)).unwrap()
 	};
 
-	assert_eq!(gas_left, U256::from(99_996));
+	assert_eq!(gas_left, U256::from(99_992));
 }
 
 // This test checks if the contract deserializes payload header properly.
@@ -85,7 +85,7 @@ fn logger() {
 	};
 
 	println!("ext.store: {:?}", ext.store);
-	assert_eq!(gas_left, U256::from(99590));
+	assert_eq!(gas_left, U256::from(99327));
 	let address_val: H256 = address.into();
 	assert_eq!(
 		ext.store.get(&"0100000000000000000000000000000000000000000000000000000000000000".parse().unwrap()).expect("storage key to exist"),
@@ -136,7 +136,7 @@ fn identity() {
 		}
 	};
 
-	assert_eq!(gas_left, U256::from(99_687));
+	assert_eq!(gas_left, U256::from(99_672));
 
 	assert_eq!(
 		Address::from_slice(&result),
@@ -170,7 +170,7 @@ fn dispersion() {
 		}
 	};
 
-	assert_eq!(gas_left, U256::from(99_423));
+	assert_eq!(gas_left, U256::from(99_270));
 
 	assert_eq!(
 		result,
@@ -199,7 +199,7 @@ fn suicide_not() {
 		}
 	};
 
-	assert_eq!(gas_left, U256::from(99_656));
+	assert_eq!(gas_left, U256::from(99_578));
 
 	assert_eq!(
 		result,
@@ -233,7 +233,7 @@ fn suicide() {
 		}
 	};
 
-	assert_eq!(gas_left, U256::from(99_740));
+	assert_eq!(gas_left, U256::from(99_621));
 	assert!(ext.suicides.contains(&refund));
 }
 
@@ -264,7 +264,7 @@ fn create() {
 	assert!(ext.calls.contains(
 		&FakeCall {
 			call_type: FakeCallType::Create,
-			gas: U256::from(99_767),
+			gas: U256::from(99_674),
 			sender_address: None,
 			receive_address: None,
 			value: Some(1_000_000_000.into()),
@@ -272,7 +272,7 @@ fn create() {
 			code_address: None,
 		}
 	));
-	assert_eq!(gas_left, U256::from(99_759));
+	assert_eq!(gas_left, U256::from(99_596));
 }
 
 
@@ -306,7 +306,7 @@ fn call_code() {
 	assert!(ext.calls.contains(
 		&FakeCall {
 			call_type: FakeCallType::Call,
-			gas: U256::from(99_061),
+			gas: U256::from(99_069),
 			sender_address: Some(sender),
 			receive_address: Some(receiver),
 			value: None,
@@ -314,7 +314,7 @@ fn call_code() {
 			code_address: Some("0d13710000000000000000000000000000000000".parse().unwrap()),
 		}
 	));
-	assert_eq!(gas_left, U256::from(94196));
+	assert_eq!(gas_left, U256::from(94144));
 
 	// siphash result
 	let res = LittleEndian::read_u32(&result[..]);
@@ -351,7 +351,7 @@ fn call_static() {
 	assert!(ext.calls.contains(
 		&FakeCall {
 			call_type: FakeCallType::Call,
-			gas: U256::from(99_061),
+			gas: U256::from(99_069),
 			sender_address: Some(sender),
 			receive_address: Some(receiver),
 			value: None,
@@ -359,7 +359,7 @@ fn call_static() {
 			code_address: Some("13077bfb00000000000000000000000000000000".parse().unwrap()),
 		}
 	));
-	assert_eq!(gas_left, U256::from(94196));
+	assert_eq!(gas_left, U256::from(94144));
 
 	// siphash result
 	let res = LittleEndian::read_u32(&result[..]);
@@ -378,13 +378,73 @@ fn realloc() {
 	let mut ext = FakeExt::new();
 
 	let (gas_left, result) = {
-			let mut interpreter = wasm_interpreter();
+		let mut interpreter = wasm_interpreter();
-			let result = interpreter.exec(params, &mut ext).expect("Interpreter to execute without any errors");
+		let result = interpreter.exec(params, &mut ext).expect("Interpreter to execute without any errors");
-			match result {
+		match result {
-					GasLeft::Known(_) => { panic!("Realloc should return payload"); },
+				GasLeft::Known(_) => { panic!("Realloc should return payload"); },
-					GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
+				GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
-			}
+		}
 	};
-	assert_eq!(gas_left, U256::from(98326));
+	assert_eq!(gas_left, U256::from(99432));
 	assert_eq!(result, vec![0u8; 2]);
 }
+
+// Tests that contract's ability to read from a storage
+// Test prepopulates address into storage, than executes a contract which read that address from storage and write this address into result
+#[test]
+fn storage_read() {
+	let code = load_sample!("storage_read.wasm");
+	let address: Address = "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6".parse().unwrap();
+
+	let mut params = ActionParams::default();
+	params.gas = U256::from(100_000);
+	params.code = Some(Arc::new(code));
+	let mut ext = FakeExt::new();
+	ext.store.insert("0100000000000000000000000000000000000000000000000000000000000000".into(), address.into());
+
+	let (gas_left, result) = {
+		let mut interpreter = wasm_interpreter();
+		let result = interpreter.exec(params, &mut ext).expect("Interpreter to execute without any errors");
+		match result {
+				GasLeft::Known(_) => { panic!("storage_read should return payload"); },
+				GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
+		}
+	};
+
+	assert_eq!(gas_left, U256::from(99682));
+	assert_eq!(Address::from(&result[12..32]), address);
+}
+
+
+// Tests that contract's ability to read from a storage
+// Test prepopulates address into storage, than executes a contract which read that address from storage and write this address into result
+#[test]
+fn math_add() {
+	::ethcore_logger::init_log();
+	let code = load_sample!("math.wasm");
+
+	let mut params = ActionParams::default();
+	params.gas = U256::from(100_000);
+	params.code = Some(Arc::new(code));
+
+	let mut args = [0u8; 64];
+	let arg_a = U256::from_dec_str("999999999999999999999999999999").unwrap();
+	let arg_b = U256::from_dec_str("888888888888888888888888888888").unwrap();
+	arg_a.to_big_endian(&mut args[0..32]);
+	arg_b.to_big_endian(&mut args[32..64]);
+	params.data = Some(args.to_vec());
+
+	let (gas_left, result) = {
+		let mut interpreter = wasm_interpreter();
+		let result = interpreter.exec(params, &mut FakeExt::new()).expect("Interpreter to execute without any errors");
+		match result {
+				GasLeft::Known(_) => { panic!("storage_read should return payload"); },
+				GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
+		}
+	};
+
+	let sum: U256 = (&result[..]).into();
+
+	assert_eq!(gas_left, U256::from(96284));
+	assert_eq!(sum, U256::from_dec_str("1888888888888888888888888888887").unwrap());
+}

ethstore/src/account/safe_account.rs

@@ -14,7 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-use ethkey::{KeyPair, sign, Address, Signature, Message, Public};
+use ethkey::{KeyPair, sign, Address, Signature, Message, Public, Secret};
+use crypto::ecdh::agree;
 use {json, Error, crypto};
 use account::Version;
 use super::crypto::Crypto;
@@ -135,6 +136,12 @@ impl SafeAccount {
 		crypto::ecies::decrypt(&secret, shared_mac, message).map_err(From::from)
 	}
 
+	/// Agree on shared key.
+	pub fn agree(&self, password: &str, other: &Public) -> Result<Secret, Error> {
+		let secret = self.crypto.secret(password)?;
+		agree(&secret, other).map_err(From::from)
+	}
+
 	/// Derive public key.
 	pub fn public(&self, password: &str) -> Result<Public, Error> {
 		let secret = self.crypto.secret(password)?;

ethstore/src/ethstore.rs

@@ -97,6 +97,10 @@ impl SimpleSecretStore for EthStore {
 		self.store.sign_derived(account_ref, password, derivation, message)
 	}
 
+	fn agree(&self, account: &StoreAccountRef, password: &str, other: &Public) -> Result<Secret, Error> {
+		self.store.agree(account, password, other)
+	}
+
 	fn decrypt(&self, account: &StoreAccountRef, password: &str, shared_mac: &[u8], message: &[u8]) -> Result<Vec<u8>, Error> {
 		let account = self.get(account)?;
 		account.decrypt(password, shared_mac, message)
@@ -495,18 +499,26 @@ impl SimpleSecretStore for EthMultiStore {
 
 	fn sign(&self, account: &StoreAccountRef, password: &str, message: &Message) -> Result<Signature, Error> {
 		let accounts = self.get_matching(account, password)?;
-		for account in accounts {
+		match accounts.first() {
-			return account.sign(password, message);
+			Some(ref account) => account.sign(password, message),
+			None => Err(Error::InvalidPassword),
 		}
-		Err(Error::InvalidPassword)
 	}
 
 	fn decrypt(&self, account: &StoreAccountRef, password: &str, shared_mac: &[u8], message: &[u8]) -> Result<Vec<u8>, Error> {
 		let accounts = self.get_matching(account, password)?;
-		for account in accounts {
+		match accounts.first() {
-			return account.decrypt(password, shared_mac, message);
+			Some(ref account) => account.decrypt(password, shared_mac, message),
+			None => Err(Error::InvalidPassword),
+		}
+	}
+
+	fn agree(&self, account: &StoreAccountRef, password: &str, other: &Public) -> Result<Secret, Error> {
+		let accounts = self.get_matching(account, password)?;
+		match accounts.first() {
+			Some(ref account) => account.agree(password, other),
+			None => Err(Error::InvalidPassword),
 		}
-		Err(Error::InvalidPassword)
 	}
 
 	fn create_vault(&self, name: &str, password: &str) -> Result<(), Error> {

ethstore/src/secret_store.rs

@@ -60,6 +60,8 @@ pub trait SimpleSecretStore: Send + Sync {
 	fn sign_derived(&self, account_ref: &StoreAccountRef, password: &str, derivation: Derivation, message: &Message) -> Result<Signature, Error>;
 	/// Decrypt a messages with given account.
 	fn decrypt(&self, account: &StoreAccountRef, password: &str, shared_mac: &[u8], message: &[u8]) -> Result<Vec<u8>, Error>;
+	/// Agree on shared key.
+	fn agree(&self, account: &StoreAccountRef, password: &str, other: &Public) -> Result<Secret, Error>;
 
 	/// Returns all accounts in this secret store.
 	fn accounts(&self) -> Result<Vec<StoreAccountRef>, Error>;

evmbin/src/display/json.rs

@@ -116,6 +116,9 @@ impl trace::VMTracer for Informant {
 		self.stack.extend_from_slice(stack_push);
 
 		if let Some((pos, data)) = mem_diff {
+			if self.memory.len() < (pos + data.len()) {
+				self.memory.resize(pos + data.len(), 0);
+			}
 			self.memory[pos..pos + data.len()].copy_from_slice(data);
 		}
 

evmbin/src/main.rs

@@ -35,7 +35,7 @@ use docopt::Docopt;
 use rustc_hex::FromHex;
 use util::{U256, Bytes, Address};
 use ethcore::spec;
-use vm::ActionParams;
+use vm::{ActionParams, CallType};
 
 mod info;
 mod display;
@@ -47,15 +47,17 @@ EVM implementation for Parity.
   Copyright 2016, 2017 Parity Technologies (UK) Ltd
 
 Usage:
-    evmbin stats [options]
+    parity-evm stats [options]
-    evmbin [options]
+    parity-evm [options]
-    evmbin [-h | --help]
+    parity-evm [-h | --help]
 
 Transaction options:
     --code CODE        Contract code as hex (without 0x).
+    --to ADDRESS       Recipient address (without 0x).
     --from ADDRESS     Sender address (without 0x).
     --input DATA       Input data as hex (without 0x).
     --gas GAS          Supplied gas as hex (without 0x).
+    --gas-price WEI    Supplied gas price as hex (without 0x).
 
 General options:
     --json             Display verbose results in JSON.
@@ -78,16 +80,26 @@ fn main() {
 
 fn run<T: Informant>(args: Args, mut informant: T) {
 	let from = arg(args.from(), "--from");
+	let to = arg(args.to(), "--to");
 	let code = arg(args.code(), "--code");
 	let spec = arg(args.spec(), "--chain");
 	let gas = arg(args.gas(), "--gas");
+	let gas_price = arg(args.gas(), "--gas-price");
 	let data = arg(args.data(), "--input");
 
+	if code.is_none() && to == Address::default() {
+		die("Either --code or --to is required.");
+	}
+
 	let mut params = ActionParams::default();
+	params.call_type = if code.is_none() { CallType::Call } else { CallType::None };
+	params.code_address = to;
+	params.address = to;
 	params.sender = from;
 	params.origin = from;
 	params.gas = gas;
-	params.code = Some(Arc::new(code));
+	params.gas_price = gas_price;
+	params.code = code.map(Arc::new);
 	params.data = data;
 
 	informant.set_gas(gas);
@@ -99,10 +111,12 @@ fn run<T: Informant>(args: Args, mut informant: T) {
 struct Args {
 	cmd_stats: bool,
 	flag_from: Option<String>,
+	flag_to: Option<String>,
 	flag_code: Option<String>,
 	flag_gas: Option<String>,
+	flag_gas_price: Option<String>,
 	flag_input: Option<String>,
-	flag_spec: Option<String>,
+	flag_chain: Option<String>,
 	flag_json: bool,
 }
 
@@ -114,6 +128,13 @@ impl Args {
 		}
 	}
 
+	pub fn gas_price(&self) -> Result<U256, String> {
+		match self.flag_gas_price {
+			Some(ref gas_price) => gas_price.parse().map_err(to_string),
+			None => Ok(U256::zero()),
+		}
+	}
+
 	pub fn from(&self) -> Result<Address, String> {
 		match self.flag_from {
 			Some(ref from) => from.parse().map_err(to_string),
@@ -121,10 +142,17 @@ impl Args {
 		}
 	}
 
-	pub fn code(&self) -> Result<Bytes, String> {
+	pub fn to(&self) -> Result<Address, String> {
+		match self.flag_to {
+			Some(ref to) => to.parse().map_err(to_string),
+			None => Ok(Address::default()),
+		}
+	}
+
+	pub fn code(&self) -> Result<Option<Bytes>, String> {
 		match self.flag_code {
-			Some(ref code) => code.from_hex().map_err(to_string),
+			Some(ref code) => code.from_hex().map(Some).map_err(to_string),
-			None => Err("Code is required!".into()),
+			None => Ok(None),
 		}
 	}
 
@@ -136,7 +164,7 @@ impl Args {
 	}
 
 	pub fn spec(&self) -> Result<spec::Spec, String> {
-		Ok(match self.flag_spec {
+		Ok(match self.flag_chain {
 			Some(ref filename) =>  {
 				let file = fs::File::open(filename).map_err(|e| format!("{}", e))?;
 				spec::Spec::load(::std::env::temp_dir(), file)?
@@ -160,3 +188,37 @@ fn die<T: fmt::Display>(msg: T) -> ! {
 	println!("{}", msg);
 	::std::process::exit(-1)
 }
+
+#[cfg(test)]
+mod tests {
+	use docopt::Docopt;
+	use super::{Args, USAGE};
+
+	fn run<T: AsRef<str>>(args: &[T]) -> Args {
+		Docopt::new(USAGE).and_then(|d| d.argv(args.into_iter()).deserialize()).unwrap()
+	}
+
+	#[test]
+	fn should_parse_all_the_options() {
+		let args = run(&[
+			"parity-evm",
+			"--json",
+			"--gas", "1",
+			"--gas-price", "2",
+			"--from", "0000000000000000000000000000000000000003",
+			"--to", "0000000000000000000000000000000000000004",
+			"--code", "05",
+			"--input", "06",
+			"--chain", "./testfile",
+		]);
+
+		assert_eq!(args.flag_json, true);
+		assert_eq!(args.gas(), Ok(1.into()));
+		assert_eq!(args.gas_price(), Ok(2.into()));
+		assert_eq!(args.from(), Ok(3.into()));
+		assert_eq!(args.to(), Ok(4.into()));
+		assert_eq!(args.code(), Ok(Some(vec![05])));
+		assert_eq!(args.data(), Ok(Some(vec![06])));
+		assert_eq!(args.flag_chain, Some("./testfile".to_owned()));
+	}
+}

js/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "parity.js",
-  "version": "1.8.11",
+  "version": "1.8.16",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -8955,7 +8955,7 @@
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
       "requires": {
         "brace-expansion": "1.1.8"
       }
@@ -11417,7 +11417,7 @@
     "react-qr-reader": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/react-qr-reader/-/react-qr-reader-1.1.3.tgz",
-      "integrity": "sha512-ruBF8KaSwUW9nbzjO4rA7/HOCGYZuNUz9od7uBRy8SRBi24nwxWWmwa2z8R6vPGDRglA0y2Qk1aVBuC1olTnHw==",
+      "integrity": "sha1-dDmnZvyZPLj17u/HLCnblh1AswI=",
       "requires": {
         "jsqr": "git+https://github.com/JodusNodus/jsQR.git#5ba1acefa1cbb9b2bc92b49f503f2674e2ec212b",
         "prop-types": "15.5.10",

js/package.json

@@ -1,6 +1,6 @@
 {
   "name": "parity.js",
-  "version": "1.8.11",
+  "version": "1.8.16",
   "main": "release/index.js",
   "jsnext:main": "src/index.js",
   "author": "Parity Team <admin@parity.io>",

js/src/Application/store.js

@@ -28,11 +28,18 @@ export default class Store {
     this._migrateStore();
 
     this._api = api;
-    // Show the first run if it hasn't been shown before
-    // (thus an undefined value)
-    this.firstrunVisible = store.get(LS_FIRST_RUN_KEY) === undefined;
 
-    this._checkAccounts();
+    // Show the first run the storage doesn't hold `false` value
+    const firstrunVisible = store.get(LS_FIRST_RUN_KEY) !== false;
+
+    // Only check accounts if we might show the first run
+    if (firstrunVisible) {
+      api.transport.once('open', () => {
+        this._checkAccounts();
+      });
+    } else {
+      this.firstrunVisible = false;
+    }
   }
 
   @action closeFirstrun = () => {
@@ -50,7 +57,7 @@ export default class Store {
   }
 
   /**
-   * Migrate the old LocalStorage ket format
+   * Migrate the old LocalStorage key format
    * to the new one
    */
   _migrateStore () {
@@ -70,12 +77,16 @@ export default class Store {
         this._api.parity.allAccountsInfo()
       ])
       .then(([ vaults, info ]) => {
-        const accounts = Object.keys(info).filter((address) => info[address].uuid);
+        const accounts = Object.keys(info)
+          .filter((address) => info[address].uuid)
+          // In DEV mode, the empty phrase account is already added
+          .filter((address) => address.toLowerCase() !== '0x00a329c0648769a73afac7f9381e08fb43dbea72');
+
         // Has accounts if any vaults or accounts
         const hasAccounts = (accounts && accounts.length > 0) || (vaults && vaults.length > 0);
 
         // Show First Run if no accounts and no vaults
-        this.toggleFirstrun(this.firstrunVisible || !hasAccounts);
+        this.toggleFirstrun(!hasAccounts);
       })
       .catch((error) => {
         console.error('checkAccounts', error);

js/src/embed.js

@@ -59,14 +59,19 @@ class FakeTransport {
 
 class FrameSecureApi extends SecureApi {
   constructor (transport) {
-    super(transport.uiUrl, null, () => {
+    super(
-      return transport;
+      transport.uiUrl,
-    });
+      null,
+      () => transport,
+      () => 'http:'
+    );
   }
 
   connect () {
     // Do nothing - this API does not need connecting
     this.emit('connecting');
+    // Fetch settings
+    this._fetchSettings();
     // Fire connected event with some delay.
     setTimeout(() => {
       this.emit('connected');

js/src/secureApi.js

@@ -325,7 +325,8 @@ export default class SecureApi extends Api {
   _fetchSettings () {
     return Promise
       .all([
-        this._uiApi.parity.dappsUrl(),
+        // ignore dapps disabled errors
+        this._uiApi.parity.dappsUrl().catch(() => null),
         this._uiApi.parity.wsUrl()
       ])
       .then(([dappsUrl, wsUrl]) => {

parity/cli/config.full.toml

@@ -76,8 +76,10 @@ path = "$HOME/.parity/dapps"
 user = "test_user"
 pass = "test_pass"
 
-[secretstore]
+[secretstore]	
 disable = false
+disable_http = false
+disable_acl_check = false
 nodes = []
 http_interface = "local"
 http_port = 8082

parity/cli/mod.rs

@@ -195,7 +195,7 @@ usage! {
 			or |c: &Config| otry!(c.websockets).interface.clone(),
 		flag_ws_apis: String = "web3,eth,pubsub,net,parity,parity_pubsub,traces,rpc,secretstore,shh,shh_pubsub",
 			or |c: &Config| otry!(c.websockets).apis.as_ref().map(|vec| vec.join(",")),
-		flag_ws_origins: String = "chrome-extension://*",
+		flag_ws_origins: String = "chrome-extension://*,moz-extension://*",
 			or |c: &Config| otry!(c.websockets).origins.as_ref().map(|vec| vec.join(",")),
 		flag_ws_hosts: String = "none",
 			or |c: &Config| otry!(c.websockets).hosts.as_ref().map(|vec| vec.join(",")),
@@ -217,6 +217,10 @@ usage! {
 		// Secret Store
 		flag_no_secretstore: bool = false,
 			or |c: &Config| otry!(c.secretstore).disable.clone(),
+		flag_no_secretstore_http: bool = false,
+			or |c: &Config| otry!(c.secretstore).disable_http.clone(),
+		flag_no_secretstore_acl_check: bool = false,
+			or |c: &Config| otry!(c.secretstore).disable_acl_check.clone(),
 		flag_secretstore_secret: Option<String> = None,
 			or |c: &Config| otry!(c.secretstore).self_secret.clone().map(Some),
 		flag_secretstore_nodes: String = "",
@@ -520,6 +524,8 @@ struct Dapps {
 #[derive(Default, Debug, PartialEq, Deserialize)]
 struct SecretStore {
 	disable: Option<bool>,
+	disable_http: Option<bool>,
+	disable_acl_check: Option<bool>,
 	self_secret: Option<String>,
 	nodes: Option<Vec<String>>,
 	interface: Option<String>,
@@ -796,6 +802,8 @@ mod tests {
 			flag_no_dapps: false,
 
 			flag_no_secretstore: false,
+			flag_no_secretstore_http: false,
+			flag_no_secretstore_acl_check: false,
 			flag_secretstore_secret: None,
 			flag_secretstore_nodes: "".into(),
 			flag_secretstore_interface: "local".into(),
@@ -1031,6 +1039,8 @@ mod tests {
 			}),
 			secretstore: Some(SecretStore {
 				disable: None,
+				disable_http: None,
+				disable_acl_check: None,
 				self_secret: None,
 				nodes: None,
 				interface: None,

parity/cli/usage.txt

@@ -234,6 +234,8 @@ API and Console Options:
 
 Secret Store Options:
   --no-secretstore                 Disable Secret Store functionality. (default: {flag_no_secretstore})
+  --no-secretstore-http            Disable Secret Store HTTP API. (default: {flag_no_secretstore_http})
+  --no-acl-check                   Disable ACL check (useful for test environments). (default: {flag_no_secretstore_acl_check})
   --secretstore-secret SECRET      Hex-encoded secret key of this node.
                                    (required, default: {flag_secretstore_secret:?}).
   --secretstore-nodes NODES        Comma-separated list of other secret store cluster nodes in form

parity/configuration.rs

@@ -20,6 +20,7 @@ use std::net::SocketAddr;
 use std::path::{Path, PathBuf};
 use std::collections::BTreeMap;
 use std::cmp::max;
+use std::str::FromStr;
 use cli::{Args, ArgsError};
 use util::{Hashable, H256, U256, Bytes, version_data, Address};
 use util::journaldb::Algorithm;
@@ -41,7 +42,7 @@ use ethcore_logger::Config as LogConfig;
 use dir::{self, Directories, default_hypervisor_path, default_local_path, default_data_path};
 use dapps::Configuration as DappsConfiguration;
 use ipfs::Configuration as IpfsConfiguration;
-use secretstore::Configuration as SecretStoreConfiguration;
+use secretstore::{Configuration as SecretStoreConfiguration, NodeSecretKey};
 use updater::{UpdatePolicy, UpdateFilter, ReleaseTrack};
 use run::RunCmd;
 use blockchain::{BlockchainCmd, ImportBlockchain, ExportBlockchain, KillBlockchain, ExportState, DataFormat};
@@ -551,6 +552,10 @@ impl Configuration {
 		Ok(options)
 	}
 
+	fn ui_port(&self) -> u16 {
+		self.args.flag_ports_shift + self.args.flag_ui_port
+	}
+
 	fn ntp_servers(&self) -> Vec<String> {
 		self.args.flag_ntp_servers.split(",").map(str::to_owned).collect()
 	}
@@ -560,12 +565,15 @@ impl Configuration {
 			enabled: self.ui_enabled(),
 			ntp_servers: self.ntp_servers(),
 			interface: self.ui_interface(),
-			port: self.args.flag_ports_shift + self.args.flag_ui_port,
+			port: self.ui_port(),
 			hosts: self.ui_hosts(),
 		}
 	}
 
 	fn dapps_config(&self) -> DappsConfiguration {
+		let dev_ui = if self.args.flag_ui_no_validation { vec![("localhost".to_owned(), 3000)] } else { vec![] };
+		let ui_port = self.ui_port();
+
 		DappsConfiguration {
 			enabled: self.dapps_enabled(),
 			ntp_servers: self.ntp_servers(),
@@ -575,17 +583,34 @@ impl Configuration {
 			} else {
 				vec![]
 			},
-			extra_embed_on: if self.args.flag_ui_no_validation {
+			extra_embed_on: {
-				vec![("localhost".to_owned(), 3000)]
+				let mut extra_embed = dev_ui.clone();
-			} else {
+				match self.ui_hosts() {
-				vec![]
+					// In case host validation is disabled allow all frame ancestors
+					None => extra_embed.push(("*".to_owned(), ui_port)),
+					Some(hosts) => extra_embed.extend(hosts.into_iter().filter_map(|host| {
+						let mut it = host.split(":");
+						let host = it.next();
+						let port = it.next().and_then(|v| u16::from_str(v).ok());
+
+						match (host, port) {
+							(Some(host), Some(port)) => Some((host.into(), port)),
+							(Some(host), None) => Some((host.into(), ui_port)),
+							_ => None,
+						}
+					})),
+				}
+				extra_embed
 			},
+			extra_script_src: dev_ui,
 		}
 	}
 
 	fn secretstore_config(&self) -> Result<SecretStoreConfiguration, String> {
 		Ok(SecretStoreConfiguration {
 			enabled: self.secretstore_enabled(),
+			http_enabled: self.secretstore_http_enabled(),
+			acl_check_enabled: self.secretstore_acl_check_enabled(),
 			self_secret: self.secretstore_self_secret()?,
 			nodes: self.secretstore_nodes()?,
 			interface: self.secretstore_interface(),
@@ -993,10 +1018,13 @@ impl Configuration {
 		self.interface(&self.args.flag_secretstore_http_interface)
 	}
 
-	fn secretstore_self_secret(&self) -> Result<Option<Secret>, String> {
+	fn secretstore_self_secret(&self) -> Result<Option<NodeSecretKey>, String> {
 		match self.args.flag_secretstore_secret {
-			Some(ref s) => Ok(Some(s.parse()
+			Some(ref s) if s.len() == 64 => Ok(Some(NodeSecretKey::Plain(s.parse()
-				.map_err(|e| format!("Invalid secret store secret: {}. Error: {:?}", s, e))?)),
+				.map_err(|e| format!("Invalid secret store secret: {}. Error: {:?}", s, e))?))),
+			Some(ref s) if s.len() == 40 => Ok(Some(NodeSecretKey::KeyStore(s.parse()
+				.map_err(|e| format!("Invalid secret store secret address: {}. Error: {:?}", s, e))?))),
+			Some(_) => Err(format!("Invalid secret store secret. Must be either existing account address, or hex-encoded private key")),
 			None => Ok(None),
 		}
 	}
@@ -1045,6 +1073,14 @@ impl Configuration {
 		!self.args.flag_no_secretstore && cfg!(feature = "secretstore")
 	}
 
+	fn secretstore_http_enabled(&self) -> bool {
+		!self.args.flag_no_secretstore_http && cfg!(feature = "secretstore")
+	}
+
+	fn secretstore_acl_check_enabled(&self) -> bool {
+		!self.args.flag_no_secretstore_acl_check
+	}
+
 	fn ui_enabled(&self) -> bool {
 		if self.args.flag_force_ui {
 			return true;
@@ -1275,7 +1311,7 @@ mod tests {
 			interface: "127.0.0.1".into(),
 			port: 8546,
 			apis: ApiSet::UnsafeContext,
-			origins: Some(vec!["chrome-extension://*".into()]),
+			origins: Some(vec!["chrome-extension://*".into(), "moz-extension://*".into()]),
 			hosts: Some(vec![]),
 			signer_path: expected.into(),
 			ui_address: Some(("127.0.0.1".to_owned(), 8180)),
@@ -1350,6 +1386,7 @@ mod tests {
 			whisper: Default::default(),
 		};
 		expected.secretstore_conf.enabled = cfg!(feature = "secretstore");
+		expected.secretstore_conf.http_enabled = cfg!(feature = "secretstore");
 		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Run(expected));
 	}
 

parity/dapps.rs

@@ -40,6 +40,7 @@ pub struct Configuration {
 	pub dapps_path: PathBuf,
 	pub extra_dapps: Vec<PathBuf>,
 	pub extra_embed_on: Vec<(String, u16)>,
+	pub extra_script_src: Vec<(String, u16)>,
 }
 
 impl Default for Configuration {
@@ -56,6 +57,7 @@ impl Default for Configuration {
 			dapps_path: replace_home(&data_dir, "$BASE/dapps").into(),
 			extra_dapps: vec![],
 			extra_embed_on: vec![],
+			extra_script_src: vec![],
 		}
 	}
 }
@@ -168,6 +170,7 @@ pub fn new(configuration: Configuration, deps: Dependencies) -> Result<Option<Mi
 		configuration.extra_dapps,
 		rpc::DAPPS_DOMAIN,
 		configuration.extra_embed_on,
+		configuration.extra_script_src,
 	).map(Some)
 }
 
@@ -214,6 +217,7 @@ mod server {
 		_extra_dapps: Vec<PathBuf>,
 		_dapps_domain: &str,
 		_extra_embed_on: Vec<(String, u16)>,
+		_extra_script_src: Vec<(String, u16)>,
 	) -> Result<Middleware, String> {
 		Err("Your Parity version has been compiled without WebApps support.".into())
 	}
@@ -251,6 +255,7 @@ mod server {
 		extra_dapps: Vec<PathBuf>,
 		dapps_domain: &str,
 		extra_embed_on: Vec<(String, u16)>,
+		extra_script_src: Vec<(String, u16)>,
 	) -> Result<Middleware, String> {
 		let signer = deps.signer;
 		let parity_remote = parity_reactor::Remote::new(deps.remote.clone());
@@ -262,6 +267,7 @@ mod server {
 			parity_remote,
 			deps.ui_address,
 			extra_embed_on,
+			extra_script_src,
 			dapps_path,
 			extra_dapps,
 			dapps_domain,
@@ -291,7 +297,7 @@ mod server {
 
 	pub fn service(middleware: &Option<Middleware>) -> Option<Arc<rpc_apis::DappsService>> {
 		middleware.as_ref().map(|m| Arc::new(DappsServiceWrapper {
-			endpoints: m.endpoints()
+			endpoints: m.endpoints().clone(),
 		}) as Arc<rpc_apis::DappsService>)
 	}
 
@@ -313,5 +319,10 @@ mod server {
 				})
 				.collect()
 		}
+
+		fn refresh_local_dapps(&self) -> bool {
+			self.endpoints.refresh_local_dapps();
+			true
+		}
 	}
 }

parity/rpc.rs

@@ -94,7 +94,7 @@ impl From<UiConfiguration> for HttpConfiguration {
 			enabled: conf.enabled,
 			interface: conf.interface,
 			port: conf.port,
-			apis: rpc_apis::ApiSet::SafeContext,
+			apis: rpc_apis::ApiSet::UnsafeContext,
 			cors: None,
 			hosts: conf.hosts,
 			server_threads: None,
@@ -163,7 +163,7 @@ impl Default for WsConfiguration {
 			interface: "127.0.0.1".into(),
 			port: 8546,
 			apis: ApiSet::UnsafeContext,
-			origins: Some(vec!["chrome-extension://*".into()]),
+			origins: Some(vec!["chrome-extension://*".into(), "moz-extension://*".into()]),
 			hosts: Some(Vec::new()),
 			signer_path: replace_home(&data_dir, "$BASE/signer").into(),
 			support_token_api: true,

parity/run.rs

@@ -56,7 +56,7 @@ use signer;
 use url;
 
 // how often to take periodic snapshots.
-const SNAPSHOT_PERIOD: u64 = 10000;
+const SNAPSHOT_PERIOD: u64 = 5000;
 
 // how many blocks to wait before starting a periodic snapshot.
 const SNAPSHOT_HISTORY: u64 = 100;
@@ -507,7 +507,7 @@ pub fn execute(cmd: RunCmd, can_restart: bool, logger: Arc<RotatingLogger>) -> R
 		}
 
 		// Attempt to sign in the engine signer.
-		if !passwords.into_iter().any(|p| miner.set_engine_signer(engine_signer, p).is_ok()) {
+		if !passwords.iter().any(|p| miner.set_engine_signer(engine_signer, (*p).clone()).is_ok()) {
 			return Err(format!("No valid password for the consensus signer {}. {}", engine_signer, VERIFY_PASSWORD_HINT));
 		}
 	}
@@ -734,6 +734,8 @@ pub fn execute(cmd: RunCmd, can_restart: bool, logger: Arc<RotatingLogger>) -> R
 	// secret store key server
 	let secretstore_deps = secretstore::Dependencies {
 		client: client.clone(),
+		account_provider: account_provider,
+		accounts_passwords: &passwords,
 	};
 	let secretstore_key_server = secretstore::start(cmd.secretstore_conf.clone(), secretstore_deps)?;
 

parity/secretstore.rs

@@ -17,17 +17,32 @@
 use std::collections::BTreeMap;
 use std::sync::Arc;
 use dir::default_data_path;
+use ethcore::account_provider::AccountProvider;
 use ethcore::client::Client;
 use ethkey::{Secret, Public};
 use helpers::replace_home;
+use util::Address;
+
+#[derive(Debug, PartialEq, Clone)]
+/// This node secret key.
+pub enum NodeSecretKey {
+	/// Stored as plain text in configuration file.
+	Plain(Secret),
+	/// Stored as account in key store.
+	KeyStore(Address),
+}
 
 #[derive(Debug, PartialEq, Clone)]
 /// Secret store configuration
 pub struct Configuration {
 	/// Is secret store functionality enabled?
 	pub enabled: bool,
+	/// Is HTTP API enabled?
+	pub http_enabled: bool,
+	/// Is ACL check enabled.
+	pub acl_check_enabled: bool,
 	/// This node secret.
-	pub self_secret: Option<Secret>,
+	pub self_secret: Option<NodeSecretKey>,
 	/// Other nodes IDs + addresses.
 	pub nodes: BTreeMap<Public, (String, u16)>,
 	/// Interface to listen to
@@ -43,9 +58,13 @@ pub struct Configuration {
 }
 
 /// Secret store dependencies
-pub struct Dependencies {
+pub struct Dependencies<'a> {
 	/// Blockchain client.
 	pub client: Arc<Client>,
+	/// Account provider.
+	pub account_provider: Arc<AccountProvider>,
+	/// Passed accounts passwords.
+	pub accounts_passwords: &'a [String],
 }
 
 #[cfg(not(feature = "secretstore"))]
@@ -65,9 +84,11 @@ mod server {
 
 #[cfg(feature="secretstore")]
 mod server {
+	use std::sync::Arc;
 	use ethcore_secretstore;
 	use ethkey::KeyPair;
-	use super::{Configuration, Dependencies};
+	use ansi_term::Colour::Red;
+	use super::{Configuration, Dependencies, NodeSecretKey};
 
 	/// Key server
 	pub struct KeyServer {
@@ -76,17 +97,45 @@ mod server {
 
 	impl KeyServer {
 		/// Create new key server
-		pub fn new(conf: Configuration, deps: Dependencies) -> Result<Self, String> {
+		pub fn new(mut conf: Configuration, deps: Dependencies) -> Result<Self, String> {
-			let self_secret = conf.self_secret.ok_or("self secret is required when using secretstore")?;
+			if !conf.acl_check_enabled {
-			let mut conf = ethcore_secretstore::ServiceConfiguration {
+				warn!("Running SecretStore with disabled ACL check: {}", Red.bold().paint("everyone has access to stored keys"));
-				listener_address: ethcore_secretstore::NodeAddress {
+			}
+
+			let self_secret: Arc<ethcore_secretstore::NodeKeyPair> = match conf.self_secret.take() {
+				Some(NodeSecretKey::Plain(secret)) => Arc::new(ethcore_secretstore::PlainNodeKeyPair::new(
+					KeyPair::from_secret(secret).map_err(|e| format!("invalid secret: {}", e))?)),
+				Some(NodeSecretKey::KeyStore(account)) => {
+					// Check if account exists
+					if !deps.account_provider.has_account(account.clone()).unwrap_or(false) {
+						return Err(format!("Account {} passed as secret store node key is not found", account));
+					}
+
+					// Check if any passwords have been read from the password file(s)
+					if deps.accounts_passwords.is_empty() {
+						return Err(format!("No password found for the secret store node account {}", account));
+					}
+
+					// Attempt to sign in the engine signer.
+					let password = deps.accounts_passwords.iter()
+						.find(|p| deps.account_provider.sign(account.clone(), Some((*p).clone()), Default::default()).is_ok())
+						.ok_or(format!("No valid password for the secret store node account {}", account))?;
+					Arc::new(ethcore_secretstore::KeyStoreNodeKeyPair::new(deps.account_provider, account, password.clone())
+						.map_err(|e| format!("{}", e))?)
+				},
+				None => return Err("self secret is required when using secretstore".into()),
+			};
+
+			let key_server_name = format!("{}:{}", conf.interface, conf.port);
+			let mut cconf = ethcore_secretstore::ServiceConfiguration {
+				listener_address: if conf.http_enabled { Some(ethcore_secretstore::NodeAddress {
 					address: conf.http_interface.clone(),
 					port: conf.http_port,
-				},
+				}) } else { None },
 				data_path: conf.data_path.clone(),
+				acl_check_enabled: conf.acl_check_enabled,
 				cluster_config: ethcore_secretstore::ClusterConfiguration {
 					threads: 4,
-					self_private: (**self_secret).into(),
 					listener_address: ethcore_secretstore::NodeAddress {
 						address: conf.interface.clone(),
 						port: conf.port,
@@ -99,12 +148,10 @@ mod server {
 				},
 			};
 
-			let self_key_pair = KeyPair::from_secret(self_secret.clone())
+			cconf.cluster_config.nodes.insert(self_secret.public().clone(), cconf.cluster_config.listener_address.clone());
-				.map_err(|e| format!("valid secret is required when using secretstore. Error: {}", e))?;
-			conf.cluster_config.nodes.insert(self_key_pair.public().clone(), conf.cluster_config.listener_address.clone());
 
-			let key_server = ethcore_secretstore::start(deps.client, conf)
+			let key_server = ethcore_secretstore::start(deps.client, self_secret, cconf)
-				.map_err(Into::<String>::into)?;
+				.map_err(|e| format!("Error starting KeyServer {}: {}", key_server_name, e))?;
 
 			Ok(KeyServer {
 				_key_server: key_server,
@@ -120,6 +167,8 @@ impl Default for Configuration {
 		let data_dir = default_data_path();
 		Configuration {
 			enabled: true,
+			http_enabled: true,
+			acl_check_enabled: true,
 			self_secret: None,
 			nodes: BTreeMap::new(),
 			interface: "127.0.0.1".to_owned(),

rpc/Cargo.toml

@@ -24,6 +24,7 @@ serde_json = "1.0"
 time = "0.1"
 tokio-timer = "0.1"
 transient-hashmap = "0.4"
+itertools = "0.5"
 
 jsonrpc-core = { git = "https://github.com/paritytech/jsonrpc.git", branch = "parity-1.7" }
 jsonrpc-http-server = { git = "https://github.com/paritytech/jsonrpc.git", branch = "parity-1.7" }

rpc/src/authcodes.rs

@@ -18,9 +18,10 @@ use std::io::{self, Read, Write};
 use std::path::Path;
 use std::{fs, time, mem};
 
+use itertools::Itertools;
 use rand::Rng;
 use rand::os::OsRng;
-use util::{H256, Hashable, Itertools};
+use util::{H256, Hashable};
 
 /// Providing current time in seconds
 pub trait TimeProvider {

rpc/src/lib.rs

@@ -24,6 +24,7 @@ extern crate cid;
 extern crate crypto as rust_crypto;
 extern crate futures;
 extern crate futures_cpupool;
+extern crate itertools;
 extern crate multihash;
 extern crate order_stat;
 extern crate rand;

rpc/src/v1/helpers/dapps.rs

@@ -22,12 +22,6 @@ use v1::types::LocalDapp;
 pub trait DappsService: Send + Sync + 'static {
 	/// List available local dapps.
 	fn list_dapps(&self) -> Vec<LocalDapp>;
-}
+	/// Refresh local dapps list
-
+	fn refresh_local_dapps(&self) -> bool;
-impl<F> DappsService for F where
-	F: Fn() -> Vec<LocalDapp> + Send + Sync + 'static
-{
-	fn list_dapps(&self) -> Vec<LocalDapp> {
-		(*self)()
-	}
 }

rpc/src/v1/helpers/dispatch.rs

@@ -133,7 +133,7 @@ impl<C: MiningBlockChainClient, M: MinerService> Dispatcher for FullDispatcher<C
 		-> BoxFuture<WithToken<SignedTransaction>, Error>
 	{
 		let (client, miner) = (self.client.clone(), self.miner.clone());
-		let network_id = client.signing_network_id();
+		let chain_id = client.signing_chain_id();
 		let address = filled.from;
 		future::done({
 			let t = Transaction {
@@ -146,12 +146,12 @@ impl<C: MiningBlockChainClient, M: MinerService> Dispatcher for FullDispatcher<C
 			};
 
 			if accounts.is_hardware_address(address) {
-				hardware_signature(&*accounts, address, t, network_id).map(WithToken::No)
+				hardware_signature(&*accounts, address, t, chain_id).map(WithToken::No)
 			} else {
-				let hash = t.hash(network_id);
+				let hash = t.hash(chain_id);
 				let signature = try_bf!(signature(&*accounts, address, hash, password));
 				Ok(signature.map(|sig| {
-					SignedTransaction::new(t.with_signature(sig, network_id))
+					SignedTransaction::new(t.with_signature(sig, chain_id))
 						.expect("Transaction was signed by AccountsProvider; it never produces invalid signatures; qed")
 				}))
 			}
@@ -358,7 +358,7 @@ impl Dispatcher for LightDispatcher {
 	fn sign(&self, accounts: Arc<AccountProvider>, filled: FilledTransactionRequest, password: SignWith)
 		-> BoxFuture<WithToken<SignedTransaction>, Error>
 	{
-		let network_id = self.client.signing_network_id();
+		let chain_id = self.client.signing_chain_id();
 		let address = filled.from;
 
 		let with_nonce = move |filled: FilledTransactionRequest, nonce| {
@@ -372,14 +372,14 @@ impl Dispatcher for LightDispatcher {
 			};
 
 			if accounts.is_hardware_address(address) {
-				return hardware_signature(&*accounts, address, t, network_id).map(WithToken::No)
+				return hardware_signature(&*accounts, address, t, chain_id).map(WithToken::No)
 			}
 
-			let hash = t.hash(network_id);
+			let hash = t.hash(chain_id);
 			let signature = signature(&*accounts, address, hash, password)?;
 
 			Ok(signature.map(|sig| {
-				SignedTransaction::new(t.with_signature(sig, network_id))
+				SignedTransaction::new(t.with_signature(sig, chain_id))
 					.expect("Transaction was signed by AccountsProvider; it never produces invalid signatures; qed")
 			}))
 		};
@@ -512,6 +512,10 @@ pub fn execute<D: Dispatcher + 'static>(
 				).boxed()
 		},
 		ConfirmationPayload::EthSignMessage(address, data) => {
+			if accounts.is_hardware_address(address) {
+				return future::err(errors::unsupported("Signing via hardware wallets is not supported.", None)).boxed();
+			}
+
 			let hash = eth_data_hash(data);
 			let res = signature(&accounts, address, hash, pass)
 				.map(|result| result
@@ -522,6 +526,10 @@ pub fn execute<D: Dispatcher + 'static>(
 			future::done(res).boxed()
 		},
 		ConfirmationPayload::Decrypt(address, data) => {
+			if accounts.is_hardware_address(address) {
+				return future::err(errors::unsupported("Decrypting via hardware wallets is not supported.", None)).boxed();
+			}
+
 			let res = decrypt(&accounts, address, data, pass)
 				.map(|result| result
 					.map(RpcBytes)
@@ -544,20 +552,20 @@ fn signature(accounts: &AccountProvider, address: Address, hash: H256, password:
 }
 
 // obtain a hardware signature from the given account.
-fn hardware_signature(accounts: &AccountProvider, address: Address, t: Transaction, network_id: Option<u64>)
+fn hardware_signature(accounts: &AccountProvider, address: Address, t: Transaction, chain_id: Option<u64>)
 	-> Result<SignedTransaction, Error>
 {
 	debug_assert!(accounts.is_hardware_address(address));
 
 	let mut stream = rlp::RlpStream::new();
-	t.rlp_append_unsigned_transaction(&mut stream, network_id);
+	t.rlp_append_unsigned_transaction(&mut stream, chain_id);
 	let signature = accounts.sign_with_hardware(address, &stream.as_raw())
 		.map_err(|e| {
 			debug!(target: "miner", "Error signing transaction with hardware wallet: {}", e);
 			errors::account("Error signing transaction with hardware wallet", e)
 		})?;
 
-	SignedTransaction::new(t.with_signature(signature, network_id))
+	SignedTransaction::new(t.with_signature(signature, chain_id))
 		.map_err(|e| {
 		  debug!(target: "miner", "Hardware wallet has produced invalid signature: {}", e);
 		  errors::account("Invalid signature generated", e)

rpc/src/v1/helpers/errors.rs

@@ -71,6 +71,14 @@ pub fn public_unsupported(details: Option<String>) -> Error {
 	}
 }
 
+pub fn unsupported<T: Into<String>>(msg: T, details: Option<T>) -> Error {
+	Error {
+		code: ErrorCode::ServerError(codes::UNSUPPORTED_REQUEST),
+		message: msg.into(),
+		data: details.map(Into::into).map(Value::String),
+	}
+}
+
 pub fn request_not_found() -> Error {
 	Error {
 		code: ErrorCode::ServerError(codes::REQUEST_NOT_FOUND),
@@ -302,7 +310,7 @@ pub fn transaction_message(error: TransactionError) -> String {
 		GasLimitExceeded { limit, got } => {
 			format!("Transaction cost exceeds current gas limit. Limit: {}, got: {}. Try decreasing supplied gas.", limit, got)
 		},
-		InvalidNetworkId => "Invalid network id.".into(),
+		InvalidChainId => "Invalid chain id.".into(),
 		InvalidGasLimit(_) => "Supplied gas is beyond limit.".into(),
 		SenderBanned => "Sender is banned in local queue.".into(),
 		RecipientBanned => "Recipient is banned in local queue.".into(),

rpc/src/v1/helpers/fake_sign.rs

@@ -18,6 +18,7 @@ use std::sync::Arc;
 use ethcore::client::MiningBlockChainClient;
 use ethcore::miner::MinerService;
 use ethcore::transaction::{Transaction, SignedTransaction, Action};
+use util::U256;
 
 use jsonrpc_core::Error;
 use v1::helpers::CallRequest;
@@ -27,13 +28,22 @@ pub fn sign_call<B: MiningBlockChainClient, M: MinerService>(
 	client: &Arc<B>,
 	miner: &Arc<M>,
 	request: CallRequest,
+	gas_cap: bool,
 ) -> Result<SignedTransaction, Error> {
 	let from = request.from.unwrap_or(0.into());
+	let mut gas = request.gas.unwrap_or(U256::max_value());
+	if gas_cap {
+		let max_gas = 50_000_000.into();
+		if gas > max_gas {
+			warn!("Gas limit capped to {} (from {})", max_gas, gas);
+			gas = max_gas
+		}
+	}
 
 	Ok(Transaction {
 		nonce: request.nonce.unwrap_or_else(|| client.latest_nonce(&from)),
 		action: request.to.map_or(Action::Create, Action::Call),
-		gas: request.gas.unwrap_or(50_000_000.into()),
+		gas,
 		gas_price: request.gas_price.unwrap_or_else(|| default_gas_price(&**client, &**miner)),
 		value: request.value.unwrap_or(0.into()),
 		data: request.data.unwrap_or_default(),

rpc/src/v1/impls/eth.rs

@@ -612,9 +612,9 @@ impl<C, SN: ?Sized, S: ?Sized, M, EM> Eth for EthClient<C, SN, S, M, EM> where
 		self.send_raw_transaction(raw)
 	}
 
-	fn call(&self, request: CallRequest, num: Trailing<BlockNumber>) -> BoxFuture<Bytes, Error> {
+	fn call(&self, meta: Self::Metadata, request: CallRequest, num: Trailing<BlockNumber>) -> BoxFuture<Bytes, Error> {
 		let request = CallRequest::into(request);
-		let signed = match fake_sign::sign_call(&self.client, &self.miner, request) {
+		let signed = match fake_sign::sign_call(&self.client, &self.miner, request, meta.is_dapp()) {
 			Ok(signed) => signed,
 			Err(e) => return future::err(e).boxed(),
 		};
@@ -628,9 +628,9 @@ impl<C, SN: ?Sized, S: ?Sized, M, EM> Eth for EthClient<C, SN, S, M, EM> where
 		).boxed()
 	}
 
-	fn estimate_gas(&self, request: CallRequest, num: Trailing<BlockNumber>) -> BoxFuture<RpcU256, Error> {
+	fn estimate_gas(&self, meta: Self::Metadata, request: CallRequest, num: Trailing<BlockNumber>) -> BoxFuture<RpcU256, Error> {
 		let request = CallRequest::into(request);
-		let signed = match fake_sign::sign_call(&self.client, &self.miner, request) {
+		let signed = match fake_sign::sign_call(&self.client, &self.miner, request, meta.is_dapp()) {
 			Ok(signed) => signed,
 			Err(e) => return future::err(e).boxed(),
 		};

rpc/src/v1/impls/eth_pubsub.rs

@@ -245,17 +245,27 @@ impl<C: Send + Sync + 'static> EthPubSub for EthPubSubClient<C> {
 		kind: pubsub::Kind,
 		params: Trailing<pubsub::Params>,
 	) {
-		match (kind, params.into()) {
+		let error = match (kind, params.into()) {
 			(pubsub::Kind::NewHeads, None) => {
-				self.heads_subscribers.write().push(subscriber)
+				self.heads_subscribers.write().push(subscriber);
+				return;
 			},
 			(pubsub::Kind::Logs, Some(pubsub::Params::Logs(filter))) => {
 				self.logs_subscribers.write().push(subscriber, filter.into());
+				return;
+			},
+			(pubsub::Kind::NewHeads, _) => {
+				errors::invalid_params("newHeads", "Expected no parameters.")
+			},
+			(pubsub::Kind::Logs, _) => {
+				errors::invalid_params("logs", "Expected a filter object.")
 			},
 			_ => {
-				let _ = subscriber.reject(errors::unimplemented(None));
+				errors::unimplemented(None)
 			},
-		}
+		};
+
+		let _ = subscriber.reject(error);
 	}
 
 	fn unsubscribe(&self, id: SubscriptionId) -> BoxFuture<bool, Error> {

rpc/src/v1/impls/light/eth.rs

@@ -383,7 +383,7 @@ impl Eth for EthClient {
 		self.send_raw_transaction(raw)
 	}
 
-	fn call(&self, req: CallRequest, num: Trailing<BlockNumber>) -> BoxFuture<Bytes, Error> {
+	fn call(&self, _meta: Self::Metadata, req: CallRequest, num: Trailing<BlockNumber>) -> BoxFuture<Bytes, Error> {
 		self.fetcher().proved_execution(req, num).and_then(|res| {
 			match res {
 				Ok(exec) => Ok(exec.output.into()),
@@ -392,7 +392,7 @@ impl Eth for EthClient {
 		}).boxed()
 	}
 
-	fn estimate_gas(&self, req: CallRequest, num: Trailing<BlockNumber>) -> BoxFuture<RpcU256, Error> {
+	fn estimate_gas(&self, _meta: Self::Metadata, req: CallRequest, num: Trailing<BlockNumber>) -> BoxFuture<RpcU256, Error> {
 		// TODO: binary chop for more accurate estimates.
 		self.fetcher().proved_execution(req, num).and_then(|res| {
 			match res {

rpc/src/v1/impls/light/parity.rs

@@ -390,7 +390,7 @@ impl Parity for ParityClient {
 		ipfs::cid(content)
 	}
 
-	fn call(&self, _requests: Vec<CallRequest>, _block: Trailing<BlockNumber>) -> BoxFuture<Vec<Bytes>, Error> {
+	fn call(&self, _meta: Self::Metadata, _requests: Vec<CallRequest>, _block: Trailing<BlockNumber>) -> BoxFuture<Vec<Bytes>, Error> {
 		future::err(errors::light_unimplemented(None)).boxed()
 	}
 }

rpc/src/v1/impls/light/parity_set.rs

@@ -135,6 +135,10 @@ impl<F: Fetch> ParitySet for ParitySetClient<F> {
 		}))
 	}
 
+	fn dapps_refresh(&self) -> Result<bool, Error> {
+		self.dapps.as_ref().map(|dapps| dapps.refresh_local_dapps()).ok_or_else(errors::dapps_disabled)
+	}
+
 	fn dapps_list(&self) -> Result<Vec<LocalDapp>, Error> {
 		self.dapps.as_ref().map(|dapps| dapps.list_dapps()).ok_or_else(errors::dapps_disabled)
 	}

rpc/src/v1/impls/light/trace.rs

@@ -17,7 +17,9 @@
 //! Traces api implementation.
 
 use jsonrpc_core::Error;
+use jsonrpc_core::futures::{future, Future, BoxFuture};
 use jsonrpc_macros::Trailing;
+use v1::Metadata;
 use v1::traits::Traces;
 use v1::helpers::errors;
 use v1::types::{TraceFilter, LocalizedTrace, BlockNumber, Index, CallRequest, Bytes, TraceResults, TraceOptions, H256};
@@ -27,6 +29,8 @@ use v1::types::{TraceFilter, LocalizedTrace, BlockNumber, Index, CallRequest, By
 pub struct TracesClient;
 
 impl Traces for TracesClient {
+	type Metadata = Metadata;
+
 	fn filter(&self, _filter: TraceFilter) -> Result<Option<Vec<LocalizedTrace>>, Error> {
 		Err(errors::light_unimplemented(None))
 	}
@@ -43,12 +47,12 @@ impl Traces for TracesClient {
 		Err(errors::light_unimplemented(None))
 	}
 
-	fn call(&self, _request: CallRequest, _flags: TraceOptions, _block: Trailing<BlockNumber>) -> Result<TraceResults, Error> {
+	fn call(&self, _meta: Self::Metadata, _request: CallRequest, _flags: TraceOptions, _block: Trailing<BlockNumber>) -> BoxFuture<TraceResults, Error> {
-		Err(errors::light_unimplemented(None))
+		future::err(errors::light_unimplemented(None)).boxed()
 	}
 
-	fn call_many(&self, _request: Vec<(CallRequest, TraceOptions)>, _block: Trailing<BlockNumber>) -> Result<Vec<TraceResults>, Error> {
+	fn call_many(&self, _meta: Self::Metadata, _request: Vec<(CallRequest, TraceOptions)>, _block: Trailing<BlockNumber>) -> BoxFuture<Vec<TraceResults>, Error> {
-		Err(errors::light_unimplemented(None))
+		future::err(errors::light_unimplemented(None)).boxed()
 	}
 
 	fn raw_transaction(&self, _raw_transaction: Bytes, _flags: TraceOptions, _block: Trailing<BlockNumber>) -> Result<TraceResults, Error> {

rpc/src/v1/impls/parity.rs

@@ -411,11 +411,11 @@ impl<C, M, S: ?Sized, U> Parity for ParityClient<C, M, S, U> where
 		ipfs::cid(content)
 	}
 
-	fn call(&self, requests: Vec<CallRequest>, block: Trailing<BlockNumber>) -> BoxFuture<Vec<Bytes>, Error> {
+	fn call(&self, meta: Self::Metadata, requests: Vec<CallRequest>, block: Trailing<BlockNumber>) -> BoxFuture<Vec<Bytes>, Error> {
 		let requests: Result<Vec<(SignedTransaction, _)>, Error> = requests
 			.into_iter()
 			.map(|request| Ok((
-				fake_sign::sign_call(&self.client, &self.miner, request.into())?,
+				fake_sign::sign_call(&self.client, &self.miner, request.into(), meta.is_dapp())?,
 				Default::default()
 			)))
 			.collect();

rpc/src/v1/impls/parity_set.rs

@@ -176,6 +176,10 @@ impl<C, M, U, F> ParitySet for ParitySetClient<C, M, U, F> where
 		}))
 	}
 
+	fn dapps_refresh(&self) -> Result<bool, Error> {
+		self.dapps.as_ref().map(|dapps| dapps.refresh_local_dapps()).ok_or_else(errors::dapps_disabled)
+	}
+
 	fn dapps_list(&self) -> Result<Vec<LocalDapp>, Error> {
 		self.dapps.as_ref().map(|dapps| dapps.list_dapps()).ok_or_else(errors::dapps_disabled)
 	}

rpc/src/v1/impls/personal.rs

@@ -124,9 +124,9 @@ impl<D: Dispatcher + 'static> Personal for PersonalClient<D> {
 					.map(move |tx| (tx, dispatcher))
 			})
 			.and_then(|(pending_tx, dispatcher)| {
-				let network_id = pending_tx.network_id();
+				let chain_id = pending_tx.chain_id();
-				trace!(target: "miner", "send_transaction: dispatching tx: {} for network ID {:?}",
+				trace!(target: "miner", "send_transaction: dispatching tx: {} for chain ID {:?}",
-					::rlp::encode(&*pending_tx).into_vec().pretty(), network_id);
+					::rlp::encode(&*pending_tx).into_vec().pretty(), chain_id);
 
 				dispatcher.dispatch_transaction(pending_tx).map(Into::into)
 			})

rpc/src/v1/impls/traces.rs

@@ -18,13 +18,15 @@
 
 use std::sync::Arc;
 
-use rlp::UntrustedRlp;
 use ethcore::client::{MiningBlockChainClient, CallAnalytics, TransactionId, TraceId};
 use ethcore::miner::MinerService;
 use ethcore::transaction::SignedTransaction;
+use rlp::UntrustedRlp;
 
 use jsonrpc_core::Error;
+use jsonrpc_core::futures::{self, Future, BoxFuture};
 use jsonrpc_macros::Trailing;
+use v1::Metadata;
 use v1::traits::Traces;
 use v1::helpers::{errors, fake_sign};
 use v1::types::{TraceFilter, LocalizedTrace, BlockNumber, Index, CallRequest, Bytes, TraceResults, TraceOptions, H256};
@@ -54,6 +56,8 @@ impl<C, M> TracesClient<C, M> {
 }
 
 impl<C, M> Traces for TracesClient<C, M> where C: MiningBlockChainClient + 'static, M: MinerService + 'static {
+	type Metadata = Metadata;
+
 	fn filter(&self, filter: TraceFilter) -> Result<Option<Vec<LocalizedTrace>>, Error> {
 		Ok(self.client.filter_traces(filter.into())
 			.map(|traces| traces.into_iter().map(LocalizedTrace::from).collect()))
@@ -79,31 +83,35 @@ impl<C, M> Traces for TracesClient<C, M> where C: MiningBlockChainClient + 'stat
 			.map(LocalizedTrace::from))
 	}
 
-	fn call(&self, request: CallRequest, flags: TraceOptions, block: Trailing<BlockNumber>) -> Result<TraceResults, Error> {
+	fn call(&self, meta: Self::Metadata, request: CallRequest, flags: TraceOptions, block: Trailing<BlockNumber>) -> BoxFuture<TraceResults, Error> {
 		let block = block.unwrap_or_default();
 
 		let request = CallRequest::into(request);
-		let signed = fake_sign::sign_call(&self.client, &self.miner, request)?;
+		let signed = try_bf!(fake_sign::sign_call(&self.client, &self.miner, request, meta.is_dapp()));
 
-		self.client.call(&signed, to_call_analytics(flags), block.into())
+		let res = self.client.call(&signed, to_call_analytics(flags), block.into())
 			.map(TraceResults::from)
-			.map_err(errors::call)
+			.map_err(errors::call);
+
+		futures::done(res).boxed()
 	}
 
-	fn call_many(&self, requests: Vec<(CallRequest, TraceOptions)>, block: Trailing<BlockNumber>) -> Result<Vec<TraceResults>, Error> {
+	fn call_many(&self, meta: Self::Metadata, requests: Vec<(CallRequest, TraceOptions)>, block: Trailing<BlockNumber>) -> BoxFuture<Vec<TraceResults>, Error> {
 		let block = block.unwrap_or_default();
 
-		let requests = requests.into_iter()
+		let requests = try_bf!(requests.into_iter()
 			.map(|(request, flags)| {
 				let request = CallRequest::into(request);
-				let signed = fake_sign::sign_call(&self.client, &self.miner, request)?;
+				let signed = fake_sign::sign_call(&self.client, &self.miner, request, meta.is_dapp())?;
 				Ok((signed, to_call_analytics(flags)))
 			})
-			.collect::<Result<Vec<_>, _>>()?;
+			.collect::<Result<Vec<_>, Error>>());
 
-		self.client.call_many(&requests, block.into())
+		let res = self.client.call_many(&requests, block.into())
 			.map(|results| results.into_iter().map(TraceResults::from).collect())
-			.map_err(errors::call)
+			.map_err(errors::call);
+
+		futures::done(res).boxed()
 	}
 
 	fn raw_transaction(&self, raw_transaction: Bytes, flags: TraceOptions, block: Trailing<BlockNumber>) -> Result<TraceResults, Error> {

rpc/src/v1/metadata.rs

@@ -42,6 +42,15 @@ impl Metadata {
 			_ => DappId::default(),
 		}
 	}
+
+	/// Returns true if the request originates from a Dapp.
+	pub fn is_dapp(&self) -> bool {
+		if let Origin::Dapps(_) = self.origin {
+			true
+		} else {
+			false
+		}
+	}
 }
 
 impl jsonrpc_core::Metadata for Metadata {}

rpc/src/v1/tests/helpers/dapps.rs

@@ -34,4 +34,8 @@ impl DappsService for TestDappsService {
 			icon_url: "title.png".into(),
 		}]
 	}
+
+	fn refresh_local_dapps(&self) -> bool {
+		true
+	}
 }

rpc/src/v1/tests/mocked/eth.rs

@@ -544,7 +544,7 @@ fn rpc_eth_pending_transaction_by_hash() {
 		tester.miner.pending_transactions.lock().insert(H256::zero(), tx);
 	}
 
-	let response = r#"{"jsonrpc":"2.0","result":{"blockHash":null,"blockNumber":null,"condition":null,"creates":null,"from":"0x0f65fe9276bc9a24ae7083ae28e2660ef72df99e","gas":"0x5208","gasPrice":"0x1","hash":"0x41df922fd0d4766fcc02e161f8295ec28522f329ae487f14d811e4b64c8d6e31","input":"0x","networkId":null,"nonce":"0x0","publicKey":"0x7ae46da747962c2ee46825839c1ef9298e3bd2e70ca2938495c3693a485ec3eaa8f196327881090ff64cf4fbb0a48485d4f83098e189ed3b7a87d5941b59f789","r":"0x48b55bfa915ac795c431978d8a6a992b628d557da5ff759b307d495a36649353","raw":"0xf85f800182520894095e7baea6a6c7c4c2dfeb977efac326af552d870a801ba048b55bfa915ac795c431978d8a6a992b628d557da5ff759b307d495a36649353a0efffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804","s":"0xefffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804","standardV":"0x0","to":"0x095e7baea6a6c7c4c2dfeb977efac326af552d87","transactionIndex":null,"v":"0x1b","value":"0xa"},"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":{"blockHash":null,"blockNumber":null,"chainId":null,"condition":null,"creates":null,"from":"0x0f65fe9276bc9a24ae7083ae28e2660ef72df99e","gas":"0x5208","gasPrice":"0x1","hash":"0x41df922fd0d4766fcc02e161f8295ec28522f329ae487f14d811e4b64c8d6e31","input":"0x","nonce":"0x0","publicKey":"0x7ae46da747962c2ee46825839c1ef9298e3bd2e70ca2938495c3693a485ec3eaa8f196327881090ff64cf4fbb0a48485d4f83098e189ed3b7a87d5941b59f789","r":"0x48b55bfa915ac795c431978d8a6a992b628d557da5ff759b307d495a36649353","raw":"0xf85f800182520894095e7baea6a6c7c4c2dfeb977efac326af552d870a801ba048b55bfa915ac795c431978d8a6a992b628d557da5ff759b307d495a36649353a0efffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804","s":"0xefffd310ac743f371de3b9f7f9cb56c0b28ad43601b4ab949f53faa07bd2c804","standardV":"0x0","to":"0x095e7baea6a6c7c4c2dfeb977efac326af552d87","transactionIndex":null,"v":"0x1b","value":"0xa"},"id":1}"#;
 	let request = r#"{
 		"jsonrpc": "2.0",
 		"method": "eth_getTransactionByHash",
@@ -860,12 +860,13 @@ fn rpc_eth_sign_transaction() {
 	let response = r#"{"jsonrpc":"2.0","result":{"#.to_owned() +
 		r#""raw":"0x"# + &rlp.to_hex() + r#"","# +
 		r#""tx":{"# +
-		r#""blockHash":null,"blockNumber":null,"condition":null,"creates":null,"# +
+		r#""blockHash":null,"blockNumber":null,"# +
+		&format!("\"chainId\":{},", t.chain_id().map_or("null".to_owned(), |n| format!("{}", n))) +
+		r#""condition":null,"creates":null,"# +
 		&format!("\"from\":\"0x{:?}\",", &address) +
 		r#""gas":"0x76c0","gasPrice":"0x9184e72a000","# +
 		&format!("\"hash\":\"0x{:?}\",", t.hash()) +
 		r#""input":"0x","# +
-		&format!("\"networkId\":{},", t.network_id().map_or("null".to_owned(), |n| format!("{}", n))) +
 		r#""nonce":"0x1","# +
 		&format!("\"publicKey\":\"0x{:?}\",", t.recover_public().unwrap()) +
 		&format!("\"r\":\"0x{}\",", U256::from(signature.r()).to_hex()) +

rpc/src/v1/tests/mocked/parity_set.rs

@@ -233,7 +233,7 @@ fn rpc_parity_remove_transaction() {
 	let hash = signed.hash();
 
 	let request = r#"{"jsonrpc": "2.0", "method": "parity_removeTransaction", "params":[""#.to_owned() + &format!("0x{:?}", hash) + r#""], "id": 1}"#;
-	let response = r#"{"jsonrpc":"2.0","result":{"blockHash":null,"blockNumber":null,"condition":null,"creates":null,"from":"0x0000000000000000000000000000000000000002","gas":"0x76c0","gasPrice":"0x9184e72a000","hash":"0xa2e0da8a8064e0b9f93e95a53c2db6d01280efb8ac72a708d25487e67dd0f8fc","input":"0x","networkId":null,"nonce":"0x1","publicKey":null,"r":"0x1","raw":"0xe9018609184e72a0008276c0940000000000000000000000000000000000000005849184e72a80800101","s":"0x1","standardV":"0x4","to":"0x0000000000000000000000000000000000000005","transactionIndex":null,"v":"0x0","value":"0x9184e72a"},"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":{"blockHash":null,"blockNumber":null,"chainId":null,"condition":null,"creates":null,"from":"0x0000000000000000000000000000000000000002","gas":"0x76c0","gasPrice":"0x9184e72a000","hash":"0xa2e0da8a8064e0b9f93e95a53c2db6d01280efb8ac72a708d25487e67dd0f8fc","input":"0x","nonce":"0x1","publicKey":null,"r":"0x1","raw":"0xe9018609184e72a0008276c0940000000000000000000000000000000000000005849184e72a80800101","s":"0x1","standardV":"0x4","to":"0x0000000000000000000000000000000000000005","transactionIndex":null,"v":"0x0","value":"0x9184e72a"},"id":1}"#;
 
 	miner.pending_transactions.lock().insert(hash, signed);
 	assert_eq!(io.handle_request_sync(&request), Some(response.to_owned()));

rpc/src/v1/tests/mocked/signer.rs

@@ -454,12 +454,13 @@ fn should_confirm_sign_transaction_with_rlp() {
 	let response = r#"{"jsonrpc":"2.0","result":{"#.to_owned() +
 		r#""raw":"0x"# + &rlp.to_hex() + r#"","# +
 		r#""tx":{"# +
-		r#""blockHash":null,"blockNumber":null,"condition":null,"creates":null,"# +
+		r#""blockHash":null,"blockNumber":null,"# +
+		&format!("\"chainId\":{},", t.chain_id().map_or("null".to_owned(), |n| format!("{}", n))) +
+		r#""condition":null,"creates":null,"# +
 		&format!("\"from\":\"0x{:?}\",", &address) +
 		r#""gas":"0x989680","gasPrice":"0x1000","# +
 		&format!("\"hash\":\"0x{:?}\",", t.hash()) +
 		r#""input":"0x","# +
-		&format!("\"networkId\":{},", t.network_id().map_or("null".to_owned(), |n| format!("{}", n))) +
 		r#""nonce":"0x0","# +
 		&format!("\"publicKey\":\"0x{:?}\",", t.public_key().unwrap()) +
 		&format!("\"r\":\"0x{}\",", U256::from(signature.r()).to_hex()) +

rpc/src/v1/tests/mocked/signing.rs

@@ -297,12 +297,13 @@ fn should_add_sign_transaction_to_the_queue() {
 	let response = r#"{"jsonrpc":"2.0","result":{"#.to_owned() +
 		r#""raw":"0x"# + &rlp.to_hex() + r#"","# +
 		r#""tx":{"# +
-		r#""blockHash":null,"blockNumber":null,"condition":null,"creates":null,"# +
+		r#""blockHash":null,"blockNumber":null,"# +
+		&format!("\"chainId\":{},", t.chain_id().map_or("null".to_owned(), |n| format!("{}", n))) +
+		r#""condition":null,"creates":null,"# +
 		&format!("\"from\":\"0x{:?}\",", &address) +
 		r#""gas":"0x76c0","gasPrice":"0x9184e72a000","# +
 		&format!("\"hash\":\"0x{:?}\",", t.hash()) +
 		r#""input":"0x","# +
-		&format!("\"networkId\":{},", t.network_id().map_or("null".to_owned(), |n| format!("{}", n))) +
 		r#""nonce":"0x1","# +
 		&format!("\"publicKey\":\"0x{:?}\",", t.public_key().unwrap()) +
 		&format!("\"r\":\"0x{}\",", U256::from(signature.r()).to_hex()) +

rpc/src/v1/tests/mocked/traces.rs

@@ -25,12 +25,12 @@ use vm::CallType;
 
 use jsonrpc_core::IoHandler;
 use v1::tests::helpers::{TestMinerService};
-use v1::{Traces, TracesClient};
+use v1::{Metadata, Traces, TracesClient};
 
 struct Tester {
 	client: Arc<TestBlockChainClient>,
 	_miner: Arc<TestMinerService>,
-	io: IoHandler,
+	io: IoHandler<Metadata>,
 }
 
 fn io() -> Tester {
@@ -67,7 +67,7 @@ fn io() -> Tester {
 	}));
 	let miner = Arc::new(TestMinerService::default());
 	let traces = TracesClient::new(&client, &miner);
-	let mut io = IoHandler::new();
+	let mut io = IoHandler::default();
 	io.extend_with(traces.to_delegate());
 
 	Tester {

rpc/src/v1/traits/eth.rs

@@ -110,12 +110,12 @@ build_rpc_trait! {
 		fn submit_transaction(&self, Bytes) -> Result<H256, Error>;
 
 		/// Call contract, returning the output data.
-		#[rpc(async, name = "eth_call")]
+		#[rpc(meta, name = "eth_call")]
-		fn call(&self, CallRequest, Trailing<BlockNumber>) -> BoxFuture<Bytes, Error>;
+		fn call(&self, Self::Metadata, CallRequest, Trailing<BlockNumber>) -> BoxFuture<Bytes, Error>;
 
 		/// Estimate gas needed for execution of given contract.
-		#[rpc(async, name = "eth_estimateGas")]
+		#[rpc(meta, name = "eth_estimateGas")]
-		fn estimate_gas(&self, CallRequest, Trailing<BlockNumber>) -> BoxFuture<U256, Error>;
+		fn estimate_gas(&self, Self::Metadata, CallRequest, Trailing<BlockNumber>) -> BoxFuture<U256, Error>;
 
 		/// Get transaction by its hash.
 		#[rpc(name = "eth_getTransactionByHash")]

rpc/src/v1/traits/parity.rs

@@ -205,7 +205,7 @@ build_rpc_trait! {
 		fn ipfs_cid(&self, Bytes) -> Result<String, Error>;
 
 		/// Call contract, returning the output data.
-		#[rpc(async, name = "parity_call")]
+		#[rpc(meta, name = "parity_call")]
-		fn call(&self, Vec<CallRequest>, Trailing<BlockNumber>) -> BoxFuture<Vec<Bytes>, Error>;
+		fn call(&self, Self::Metadata, Vec<CallRequest>, Trailing<BlockNumber>) -> BoxFuture<Vec<Bytes>, Error>;
 	}
 }