Merge branch 'master' into new-token

Cargo.lock

@@ -1249,7 +1249,7 @@ dependencies = [
 [[package]]
 name = "parity-ui-precompiled"
 version = "1.4.0"
-source = "git+https://github.com/ethcore/js-precompiled.git#afaeb08a0f41ed41add35d86db4c751c5593e292"
+source = "git+https://github.com/ethcore/js-precompiled.git#bf33dd4aabd2adb2178576db5a4d23b8902d39b8"
 dependencies = [
  "parity-dapps-glue 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

ethcore/src/pod_account.rs

@@ -89,7 +89,7 @@ impl From<ethjson::blockchain::Account> for PodAccount {
 				let key: U256 = key.into();
 				let value: U256 = value.into();
 				(H256::from(key), H256::from(value))
-			}).collect()
+			}).collect(),
 		}
 	}
 }
@@ -99,8 +99,12 @@ impl From<ethjson::spec::Account> for PodAccount {
 		PodAccount {
 			balance: a.balance.map_or_else(U256::zero, Into::into),
 			nonce: a.nonce.map_or_else(U256::zero, Into::into),
-			code: a.code.map(Into::into).or_else(|| Some(Vec::new())),
+			code: Some(a.code.map_or_else(Vec::new, Into::into)),
-			storage: BTreeMap::new()
+			storage: a.storage.map_or_else(BTreeMap::new, |s| s.into_iter().map(|(key, value)| {
+				let key: U256 = key.into();
+				let value: U256 = value.into();
+				(H256::from(key), H256::from(value))
+			}).collect()),
 		}
 	}
 }
@@ -112,7 +116,7 @@ impl fmt::Display for PodAccount {
 			self.nonce,
 			self.code.as_ref().map_or(0, |c| c.len()),
 			self.code.as_ref().map_or_else(H256::new, |c| c.sha3()),
-			self.storage.len()
+			self.storage.len(),
 		)
 	}
 }

ethcore/src/snapshot/error.rs

@@ -45,6 +45,8 @@ pub enum Error {
 	MissingCode(Vec<H256>),
 	/// Unrecognized code encoding.
 	UnrecognizedCodeState(u8),
+	/// Restoration aborted.
+	RestorationAborted,
 	/// Trie error.
 	Trie(TrieError),
 	/// Decoder error.
@@ -67,6 +69,7 @@ impl fmt::Display for Error {
 				a pruned database. Please re-run with the --pruning archive flag."),
 			Error::MissingCode(ref missing) => write!(f, "Incomplete snapshot: {} contract codes not found.", missing.len()),
 			Error::UnrecognizedCodeState(state) => write!(f, "Unrecognized code encoding ({})", state),
+			Error::RestorationAborted => write!(f, "Snapshot restoration aborted."),
 			Error::Io(ref err) => err.fmt(f),
 			Error::Decoder(ref err) => err.fmt(f),
 			Error::Trie(ref err) => err.fmt(f),

ethcore/src/snapshot/mod.rs

@@ -407,30 +407,28 @@ impl StateRebuilder {
 	}
 
 	/// Feed an uncompressed state chunk into the rebuilder.
-	pub fn feed(&mut self, chunk: &[u8]) -> Result<(), ::error::Error> {
+	pub fn feed(&mut self, chunk: &[u8], flag: &AtomicBool) -> Result<(), ::error::Error> {
 		let rlp = UntrustedRlp::new(chunk);
 		let empty_rlp = StateAccount::new_basic(U256::zero(), U256::zero()).rlp();
-		let account_fat_rlps: Vec<_> = rlp.iter().map(|r| r.as_raw()).collect();
 		let mut pairs = Vec::with_capacity(rlp.item_count());
 
 		// initialize the pairs vector with empty values so we have slots to write into.
 		pairs.resize(rlp.item_count(), (H256::new(), Vec::new()));
 
-		let chunk_size = account_fat_rlps.len() / ::num_cpus::get() + 1;
+		let status = try!(rebuild_accounts(
+			self.db.as_hashdb_mut(),
+			rlp,
+			&mut pairs,
+			&self.code_map,
+			flag
+		));
 
-		// new code contained within this chunk.
-		let mut chunk_code = HashMap::new();
-
-		for (account_chunk, out_pairs_chunk) in account_fat_rlps.chunks(chunk_size).zip(pairs.chunks_mut(chunk_size)) {
-			let code_map = &self.code_map;
-			let status = try!(rebuild_accounts(self.db.as_hashdb_mut(), account_chunk, out_pairs_chunk, code_map));
-			chunk_code.extend(status.new_code);
 		for (addr_hash, code_hash) in status.missing_code {
 			self.missing_code.entry(code_hash).or_insert_with(Vec::new).push(addr_hash);
 		}
-		}
+
 		// patch up all missing code. must be done after collecting all new missing code entries.
-		for (code_hash, code) in chunk_code {
+		for (code_hash, code) in status.new_code {
 			for addr_hash in self.missing_code.remove(&code_hash).unwrap_or_else(Vec::new) {
 				let mut db = AccountDBMut::from_hash(self.db.as_hashdb_mut(), addr_hash);
 				db.emplace(code_hash, DBValue::from_slice(&code));
@@ -450,6 +448,8 @@ impl StateRebuilder {
 			};
 
 			for (hash, thin_rlp) in pairs {
+				if !flag.load(Ordering::SeqCst) { return Err(Error::RestorationAborted.into()) }
+
 				if &thin_rlp[..] != &empty_rlp[..] {
 					self.bloom.set(&*hash);
 				}
@@ -487,17 +487,18 @@ struct RebuiltStatus {
 }
 
 // rebuild a set of accounts and their storage.
-// returns
+// returns a status detailing newly-loaded code and accounts missing code.
 fn rebuild_accounts(
 	db: &mut HashDB,
-	account_chunk: &[&[u8]],
+	account_fat_rlps: UntrustedRlp,
 	out_chunk: &mut [(H256, Bytes)],
-	code_map: &HashMap<H256, Bytes>
+	code_map: &HashMap<H256, Bytes>,
+	abort_flag: &AtomicBool
 ) -> Result<RebuiltStatus, ::error::Error>
 {
 	let mut status = RebuiltStatus::default();
-	for (account_pair, out) in account_chunk.into_iter().zip(out_chunk) {
+	for (account_rlp, out) in account_fat_rlps.into_iter().zip(out_chunk) {
-		let account_rlp = UntrustedRlp::new(account_pair);
+		if !abort_flag.load(Ordering::SeqCst) { return Err(Error::RestorationAborted.into()) }
 
 		let hash: H256 = try!(account_rlp.val_at(0));
 		let fat_rlp = try!(account_rlp.at(1));
@@ -580,7 +581,7 @@ impl BlockRebuilder {
 
 	/// Feed the rebuilder an uncompressed block chunk.
 	/// Returns the number of blocks fed or any errors.
-	pub fn feed(&mut self, chunk: &[u8], engine: &Engine) -> Result<u64, ::error::Error> {
+	pub fn feed(&mut self, chunk: &[u8], engine: &Engine, abort_flag: &AtomicBool) -> Result<u64, ::error::Error> {
 		use basic_types::Seal::With;
 		use util::U256;
 		use util::triehash::ordered_trie_root;
@@ -601,6 +602,8 @@ impl BlockRebuilder {
 		let parent_total_difficulty = try!(rlp.val_at::<U256>(2));
 
 		for idx in 3..item_count {
+			if !abort_flag.load(Ordering::SeqCst) { return Err(Error::RestorationAborted.into()) }
+
 			let pair = try!(rlp.at(idx));
 			let abridged_rlp = try!(pair.at(0)).as_raw().to_owned();
 			let abridged_block = AbridgedBlock::from_raw(abridged_rlp);

ethcore/src/snapshot/service.rs

@@ -118,12 +118,12 @@ impl Restoration {
 		})
 	}
 
-	// feeds a state chunk
+	// feeds a state chunk, aborts early if `flag` becomes false.
-	fn feed_state(&mut self, hash: H256, chunk: &[u8]) -> Result<(), Error> {
+	fn feed_state(&mut self, hash: H256, chunk: &[u8], flag: &AtomicBool) -> Result<(), Error> {
 		if self.state_chunks_left.remove(&hash) {
 			let len = try!(snappy::decompress_into(chunk, &mut self.snappy_buffer));
 
-			try!(self.state.feed(&self.snappy_buffer[..len]));
+			try!(self.state.feed(&self.snappy_buffer[..len], flag));
 
 			if let Some(ref mut writer) = self.writer.as_mut() {
 				try!(writer.write_state_chunk(hash, chunk));
@@ -134,11 +134,11 @@ impl Restoration {
 	}
 
 	// feeds a block chunk
-	fn feed_blocks(&mut self, hash: H256, chunk: &[u8], engine: &Engine) -> Result<(), Error> {
+	fn feed_blocks(&mut self, hash: H256, chunk: &[u8], engine: &Engine, flag: &AtomicBool) -> Result<(), Error> {
 		if self.block_chunks_left.remove(&hash) {
 			let len = try!(snappy::decompress_into(chunk, &mut self.snappy_buffer));
 
-			try!(self.blocks.feed(&self.snappy_buffer[..len], engine));
+			try!(self.blocks.feed(&self.snappy_buffer[..len], engine, flag));
 			if let Some(ref mut writer) = self.writer.as_mut() {
 				 try!(writer.write_block_chunk(hash, chunk));
 			}
@@ -224,6 +224,7 @@ pub struct Service {
 	db_restore: Arc<DatabaseRestore>,
 	progress: super::Progress,
 	taking_snapshot: AtomicBool,
+	restoring_snapshot: AtomicBool,
 }
 
 impl Service {
@@ -244,6 +245,7 @@ impl Service {
 			db_restore: params.db_restore,
 			progress: Default::default(),
 			taking_snapshot: AtomicBool::new(false),
+			restoring_snapshot: AtomicBool::new(false),
 		};
 
 		// create the root snapshot dir if it doesn't exist.
@@ -436,6 +438,8 @@ impl Service {
 			state_chunks_done: self.state_chunks.load(Ordering::SeqCst) as u32,
 			block_chunks_done: self.block_chunks.load(Ordering::SeqCst) as u32,
 		};
+
+		self.restoring_snapshot.store(true, Ordering::SeqCst);
 		Ok(())
 	}
 
@@ -490,8 +494,8 @@ impl Service {
 						};
 
 						(match is_state {
-							true => rest.feed_state(hash, chunk),
+							true => rest.feed_state(hash, chunk, &self.restoring_snapshot),
-							false => rest.feed_blocks(hash, chunk, &*self.engine),
+							false => rest.feed_blocks(hash, chunk, &*self.engine, &self.restoring_snapshot),
 						}.map(|_| rest.is_done()), rest.db.clone())
 					};
 
@@ -573,6 +577,7 @@ impl SnapshotService for Service {
 	}
 
 	fn abort_restore(&self) {
+		self.restoring_snapshot.store(false, Ordering::SeqCst);
 		*self.restoration.lock() = None;
 		*self.status.lock() = RestorationStatus::Inactive;
 	}

ethcore/src/snapshot/tests/blocks.rs

@@ -17,10 +17,11 @@
 //! Block chunker and rebuilder tests.
 
 use devtools::RandomTempPath;
+use error::Error;
 
 use blockchain::generator::{ChainGenerator, ChainIterator, BlockFinalizer};
 use blockchain::BlockChain;
-use snapshot::{chunk_blocks, BlockRebuilder, Progress};
+use snapshot::{chunk_blocks, BlockRebuilder, Error as SnapshotError, Progress};
 use snapshot::io::{PackedReader, PackedWriter, SnapshotReader, SnapshotWriter};
 
 use util::{Mutex, snappy};
@@ -28,6 +29,7 @@ use util::kvdb::{Database, DatabaseConfig};
 
 use std::collections::HashMap;
 use std::sync::Arc;
+use std::sync::atomic::AtomicBool;
 
 fn chunk_and_restore(amount: u64) {
 	let mut canon_chain = ChainGenerator::default();
@@ -75,10 +77,11 @@ fn chunk_and_restore(amount: u64) {
 	let mut rebuilder = BlockRebuilder::new(new_chain, new_db.clone(), &manifest).unwrap();
 	let reader = PackedReader::new(&snapshot_path).unwrap().unwrap();
 	let engine = ::engines::NullEngine::new(Default::default(), Default::default());
+	let flag = AtomicBool::new(true);
 	for chunk_hash in &reader.manifest().block_hashes {
 		let compressed = reader.chunk(*chunk_hash).unwrap();
 		let chunk = snappy::decompress(&compressed).unwrap();
-		rebuilder.feed(&chunk, &engine).unwrap();
+		rebuilder.feed(&chunk, &engine, &flag).unwrap();
 	}
 
 	rebuilder.finalize(HashMap::new()).unwrap();
@@ -93,3 +96,46 @@ fn chunk_and_restore_500() { chunk_and_restore(500) }
 
 #[test]
 fn chunk_and_restore_40k() { chunk_and_restore(40000) }
+
+#[test]
+fn checks_flag() {
+	use ::rlp::{RlpStream, Stream};
+	use util::H256;
+
+	let mut stream = RlpStream::new_list(5);
+
+	stream.append(&100u64)
+		.append(&H256::default())
+		.append(&(!0u64));
+
+	stream.append_empty_data().append_empty_data();
+
+	let genesis = {
+		let mut canon_chain = ChainGenerator::default();
+		let mut finalizer = BlockFinalizer::default();
+		canon_chain.generate(&mut finalizer).unwrap()
+	};
+
+	let chunk = stream.out();
+	let path = RandomTempPath::create_dir();
+
+	let db_cfg = DatabaseConfig::with_columns(::db::NUM_COLUMNS);
+	let db = Arc::new(Database::open(&db_cfg, path.as_str()).unwrap());
+	let chain = BlockChain::new(Default::default(), &genesis, db.clone());
+	let engine = ::engines::NullEngine::new(Default::default(), Default::default());
+
+	let manifest = ::snapshot::ManifestData {
+		state_hashes: Vec::new(),
+		block_hashes: Vec::new(),
+		state_root: ::util::sha3::SHA3_NULL_RLP,
+		block_number: 102,
+		block_hash: H256::default(),
+	};
+
+	let mut rebuilder = BlockRebuilder::new(chain, db.clone(), &manifest).unwrap();
+
+	match rebuilder.feed(&chunk, &engine, &AtomicBool::new(false)) {
+		Err(Error::Snapshot(SnapshotError::RestorationAborted)) => {}
+		_ => panic!("Wrong result on abort flag set")
+	}
+}

ethcore/src/snapshot/tests/state.rs

@@ -16,10 +16,12 @@
 
 //! State snapshotting tests.
 
-use snapshot::{chunk_state, Progress, StateRebuilder};
+use snapshot::{chunk_state, Error as SnapshotError, Progress, StateRebuilder};
 use snapshot::io::{PackedReader, PackedWriter, SnapshotReader, SnapshotWriter};
 use super::helpers::{compare_dbs, StateProducer};
 
+use error::Error;
+
 use rand::{XorShiftRng, SeedableRng};
 use util::hash::H256;
 use util::journaldb::{self, Algorithm};
@@ -29,6 +31,7 @@ use util::Mutex;
 use devtools::RandomTempPath;
 
 use std::sync::Arc;
+use std::sync::atomic::AtomicBool;
 
 #[test]
 fn snap_and_restore() {
@@ -65,11 +68,13 @@ fn snap_and_restore() {
 		let mut rebuilder = StateRebuilder::new(new_db.clone(), Algorithm::Archive);
 		let reader = PackedReader::new(&snap_file).unwrap().unwrap();
 
+		let flag = AtomicBool::new(true);
+
 		for chunk_hash in &reader.manifest().state_hashes {
 			let raw = reader.chunk(*chunk_hash).unwrap();
 			let chunk = ::util::snappy::decompress(&raw).unwrap();
 
-			rebuilder.feed(&chunk).unwrap();
+			rebuilder.feed(&chunk, &flag).unwrap();
 		}
 
 		assert_eq!(rebuilder.state_root(), state_root);
@@ -82,3 +87,52 @@ fn snap_and_restore() {
 
 	compare_dbs(&old_db, new_db.as_hashdb());
 }
+
+#[test]
+fn checks_flag() {
+	let mut producer = StateProducer::new();
+	let mut rng = XorShiftRng::from_seed([5, 6, 7, 8]);
+	let mut old_db = MemoryDB::new();
+	let db_cfg = DatabaseConfig::with_columns(::db::NUM_COLUMNS);
+
+	for _ in 0..10 {
+		producer.tick(&mut rng, &mut old_db);
+	}
+
+	let snap_dir = RandomTempPath::create_dir();
+	let mut snap_file = snap_dir.as_path().to_owned();
+	snap_file.push("SNAP");
+
+	let state_root = producer.state_root();
+	let writer = Mutex::new(PackedWriter::new(&snap_file).unwrap());
+
+	let state_hashes = chunk_state(&old_db, &state_root, &writer, &Progress::default()).unwrap();
+
+	writer.into_inner().finish(::snapshot::ManifestData {
+		state_hashes: state_hashes,
+		block_hashes: Vec::new(),
+		state_root: state_root,
+		block_number: 0,
+		block_hash: H256::default(),
+	}).unwrap();
+
+	let mut db_path = snap_dir.as_path().to_owned();
+	db_path.push("db");
+	{
+		let new_db = Arc::new(Database::open(&db_cfg, &db_path.to_string_lossy()).unwrap());
+		let mut rebuilder = StateRebuilder::new(new_db.clone(), Algorithm::Archive);
+		let reader = PackedReader::new(&snap_file).unwrap().unwrap();
+
+		let flag = AtomicBool::new(false);
+
+		for chunk_hash in &reader.manifest().state_hashes {
+			let raw = reader.chunk(*chunk_hash).unwrap();
+			let chunk = ::util::snappy::decompress(&raw).unwrap();
+
+			match rebuilder.feed(&chunk, &flag) {
+				Err(Error::Snapshot(SnapshotError::RestorationAborted)) => {},
+				_ => panic!("unexpected result when feeding with flag off"),
+			}
+		}
+	}
+}

ethcore/src/spec/spec.rs

@@ -162,7 +162,7 @@ impl Spec {
 	/// Get the configured Network ID.
 	pub fn network_id(&self) -> usize { self.params.network_id }
 
-	/// Get the configured Network ID.
+	/// Get the configured subprotocol name.
 	pub fn subprotocol_name(&self) -> String { self.params.subprotocol_name.clone() }
 
 	/// Get the configured network fork block.

js/package.json

@@ -1,6 +1,6 @@
 {
   "name": "parity.js",
-  "version": "0.2.33",
+  "version": "0.2.37",
   "main": "release/index.js",
   "jsnext:main": "src/index.js",
   "author": "Parity Team <admin@parity.io>",

js/src/api/contract/contract.js

@@ -309,7 +309,6 @@ export default class Contract {
           try {
             subscriptions[idx].callback(null, this.parseEventLogs(logs));
           } catch (error) {
-            this.unsubscribe(idx);
             console.error('_sendSubscriptionChanges', error);
           }
         });

js/src/api/subscriptions/manager.js

@@ -107,7 +107,6 @@ export default class Manager {
       callback(error, data);
     } catch (error) {
       console.error(`Unable to update callback for subscriptionId ${subscriptionId}`, error);
-      this.unsubscribe(subscriptionId);
     }
   }
 

js/src/dapps/githubhint/services.js

@@ -28,23 +28,23 @@ export function attachInterface () {
       return Promise
         .all([
           registry.getAddress.call({}, [api.util.sha3('githubhint'), 'A']),
-          api.eth.accounts(),
           api.parity.accounts()
         ]);
     })
-    .then(([address, addresses, accountsInfo]) => {
+    .then(([address, accountsInfo]) => {
-      accountsInfo = accountsInfo || {};
       console.log(`githubhint was found at ${address}`);
 
       const contract = api.newContract(abis.githubhint, address);
-      const accounts = addresses.reduce((obj, address) => {
+      const accounts = Object
-        const info = accountsInfo[address] || {};
+        .keys(accountsInfo)
+        .filter((address) => accountsInfo[address].uuid)
+        .reduce((obj, address) => {
+          const account = accountsInfo[address];
 
           return Object.assign(obj, {
             [address]: {
               address,
-            name: info.name,
+              name: account.name
-            uuid: info.uuid
             }
           });
         }, {});

js/src/dapps/registry/Application/application.css

@@ -49,3 +49,15 @@
     padding-bottom: 0 !important;
   }
 }
+
+.warning {
+  background: #f80;
+  bottom: 0;
+  color: #fff;
+  left: 0;
+  opacity: 1;
+  padding: 1.5em;
+  position: fixed;
+  right: 50%;
+  z-index: 100;
+}

js/src/dapps/registry/Application/application.js

@@ -53,6 +53,7 @@ export default class Application extends Component {
   };
 
   render () {
+    const { api } = window.parity;
     const {
       actions,
       accounts, contacts,
@@ -60,9 +61,11 @@ export default class Application extends Component {
       lookup,
       events
     } = this.props;
+    let warning = null;
 
     return (
       <div>
+        { warning }
         <div className={ styles.header }>
           <h1>RΞgistry</h1>
           <Accounts { ...accounts } actions={ actions.accounts } />
@@ -70,13 +73,11 @@ export default class Application extends Component {
         { contract && fee ? (
           <div>
             <Lookup { ...lookup } accounts={ accounts.all } contacts={ contacts } actions={ actions.lookup } />
-
             { this.renderActions() }
-
             <Events { ...events } accounts={ accounts.all } contacts={ contacts } actions={ actions.events } />
-            <p className={ styles.address }>
+            <div className={ styles.warning }>
-              The Registry is provided by the contract at <code>{ contract.address }.</code>
+              WARNING: The name registry is experimental. Please ensure that you understand the risks, benefits & consequences of registering a name before doing so. A non-refundable fee of { api.util.fromWei(fee).toFormat(3) }<small>ETH</small> is required for all registrations.
-            </p>
+            </div>
           </div>
         ) : (
           <CircularProgress size={ 60 } />

js/src/dapps/registry/addresses/actions.js

@@ -19,18 +19,16 @@ import { api } from '../parity';
 export const set = (addresses) => ({ type: 'addresses set', addresses });
 
 export const fetch = () => (dispatch) => {
-  return Promise
+  return api.parity
-    .all([
+    .accounts()
-      api.eth.accounts(),
+    .then((accountsInfo) => {
-      api.parity.accounts()
+      const addresses = Object
-    ])
+        .keys(accountsInfo)
-    .then(([ accounts, data ]) => {
+        .filter((address) => accountsInfo[address] && !accountsInfo[address].meta.deleted)
-      data = data || {};
-      const addresses = Object.keys(data)
-        .filter((address) => data[address] && !data[address].meta.deleted)
         .map((address) => ({
-          ...data[address], address,
+          ...accountsInfo[address],
-          isAccount: accounts.includes(address)
+          address,
+          isAccount: !!accountsInfo[address].uuid
         }));
       dispatch(set(addresses));
     })

js/src/dapps/signaturereg/Import/import.js

@@ -146,7 +146,7 @@ export default class Import extends Component {
   }
 
   sortFunctions = (a, b) => {
-    return a.name.localeCompare(b.name);
+    return (a.name || '').localeCompare(b.name || '');
   }
 
   countFunctions () {

js/src/dapps/signaturereg/services.js

@@ -49,23 +49,23 @@ export function attachInterface (callback) {
       return Promise
         .all([
           registry.getAddress.call({}, [api.util.sha3('signaturereg'), 'A']),
-          api.eth.accounts(),
           api.parity.accounts()
         ]);
     })
-    .then(([address, addresses, accountsInfo]) => {
+    .then(([address, accountsInfo]) => {
-      accountsInfo = accountsInfo || {};
       console.log(`signaturereg was found at ${address}`);
 
       const contract = api.newContract(abis.signaturereg, address);
-      const accounts = addresses.reduce((obj, address) => {
+      const accounts = Object
+        .keys(accountsInfo)
+        .filter((address) => accountsInfo[address].uuid)
+        .reduce((obj, address) => {
           const info = accountsInfo[address] || {};
 
           return Object.assign(obj, {
             [address]: {
               address,
-            name: info.name || 'Unnamed',
+              name: info.name || 'Unnamed'
-            uuid: info.uuid
             }
           });
         }, {});

js/src/dapps/tokenreg/Accounts/actions.js

@@ -35,16 +35,13 @@ export const setSelectedAccount = (address) => ({
 });
 
 export const loadAccounts = () => (dispatch) => {
-  Promise
+  api.parity
-    .all([
+    .accounts()
-      api.eth.accounts(),
+    .then((accountsInfo) => {
-      api.parity.accounts()
+      const accountsList = Object
-    ])
+        .keys(accountsInfo)
-    .then(([ accounts, accountsInfo ]) => {
+        .filter((address) => accountsInfo[address].uuid)
-      accountsInfo = accountsInfo || {};
+        .map((address) => ({
-
-      const accountsList = accounts
-        .map(address => ({
           ...accountsInfo[address],
           address
         }));

js/src/dapps/tokenreg/Application/application.css

@@ -20,3 +20,15 @@
   flex-direction: column;
   align-items: center;
 }
+
+.warning {
+  background: #f80;
+  bottom: 0;
+  color: #fff;
+  left: 0;
+  opacity: 1;
+  padding: 1.5em;
+  position: fixed;
+  right: 50%;
+  z-index: 100;
+}

js/src/dapps/tokenreg/Application/application.js

@@ -17,6 +17,8 @@
 import React, { Component, PropTypes } from 'react';
 import getMuiTheme from 'material-ui/styles/getMuiTheme';
 
+import { api } from '../parity';
+
 import Loading from '../Loading';
 import Status from '../Status';
 import Tokens from '../Tokens';
@@ -59,6 +61,9 @@ export default class Application extends Component {
         <Actions />
 
         <Tokens />
+        <div className={ styles.warning }>
+          WARNING: The token registry is experimental. Please ensure that you understand the steps, risks, benefits & consequences of registering a token before doing so. A non-refundable fee of { api.util.fromWei(contract.fee).toFormat(3) }<small>ETH</small> is required for all registrations.
+        </div>
       </div>
     );
   }

js/src/dapps/tokenreg/Status/status.css

@@ -31,6 +31,12 @@
 .title {
   font-size: 3rem;
   font-weight: 300;
-  margin-top: 0;
+  margin: 0;
   text-transform: uppercase;
 }
+
+.byline {
+  font-size: 1.25em;
+  opacity: 0.75;
+  margin: 0 0 1.75em 0;
+}

js/src/dapps/tokenreg/Status/status.js

@@ -29,17 +29,12 @@ export default class Status extends Component {
   };
 
   render () {
-    const { address, fee } = this.props;
+    const { fee } = this.props;
 
     return (
       <div className={ styles.status }>
         <h1 className={ styles.title }>Token Registry</h1>
-
+        <h3 className={ styles.byline }>A global registry of all recognised tokens on the network</h3>
-        <Chip
-          isAddress
-          value={ address }
-          label='Address' />
-
         <Chip
           isAddress={ false }
           value={ api.util.fromWei(fee).toFixed(3) + 'ETH' }

json/src/spec/account.rs

@@ -16,6 +16,7 @@
 
 //! Spec account deserialization.
 
+use std::collections::BTreeMap;
 use uint::Uint;
 use bytes::Bytes;
 use spec::builtin::Builtin;
@@ -30,18 +31,21 @@ pub struct Account {
 	/// Nonce.
 	pub nonce: Option<Uint>,
 	/// Code.
-	pub code: Option<Bytes>
+	pub code: Option<Bytes>,
+	/// Storage
+	pub storage: Option<BTreeMap<Uint, Uint>>,
 }
 
 impl Account {
 	/// Returns true if account does not have nonce and balance.
 	pub fn is_empty(&self) -> bool {
-		self.balance.is_none() && self.nonce.is_none()
+		self.balance.is_none() && self.nonce.is_none() && self.code.is_none() && self.storage.is_none()
 	}
 }
 
 #[cfg(test)]
 mod tests {
+	use std::collections::BTreeMap;
 	use serde_json;
 	use spec::account::Account;
 	use util::U256;
@@ -62,4 +66,21 @@ mod tests {
 		assert_eq!(deserialized.code.unwrap(), Bytes::new(vec![0x12, 0x34]));
 		assert!(deserialized.builtin.is_some()); // Further tested in builtin.rs
 	}
+
+	#[test]
+	fn account_storage_deserialization() {
+		let s = r#"{
+			"balance": "1",
+			"nonce": "0",
+			"code": "1234",
+			"storage": { "0x7fffffffffffffff7fffffffffffffff": "0x1" }
+		}"#;
+		let deserialized: Account = serde_json::from_str(s).unwrap();
+		assert_eq!(deserialized.balance.unwrap(), Uint(U256::from(1)));
+		assert_eq!(deserialized.nonce.unwrap(), Uint(U256::from(0)));
+		assert_eq!(deserialized.code.unwrap(), Bytes::new(vec![0x12, 0x34]));
+		let mut storage = BTreeMap::new();
+		storage.insert(Uint(U256::from("7fffffffffffffff7fffffffffffffff")), Uint(U256::from(1)));
+		assert_eq!(deserialized.storage.unwrap(), storage);
+	}
 }

signer/src/tests/mod.rs

@@ -15,7 +15,6 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::ops::{Deref, DerefMut};
-use std::thread;
 use std::time;
 use std::sync::Arc;
 use devtools::{http_client, RandomTempPath};

sync/src/api.rs

@@ -231,6 +231,7 @@ impl ChainNotify for EthSync {
 	}
 
 	fn stop(&self) {
+		self.handler.snapshot_service.abort_restore();
 		self.network.stop().unwrap_or_else(|e| warn!("Error stopping network: {:?}", e));
 	}
 }