Merge pull request #3465 from ethcore/backporting

Backports to beta

Former-commit-id: b44486946a2f1e3188f4181f1022423b0f5ab4e6

dapps/src/router/mod.rs

@@ -131,7 +131,7 @@ impl<A: Authorization + 'static> server::Handler<HttpStream> for Router<A> {
 						StatusCode::NotFound,
 						"404 Not Found",
 						"Your homepage is not available when Trusted Signer is disabled.",
-						Some("You can still access dapps by writing a correct address, though. Re-enabled Signer to get your homepage back."),
+						Some("You can still access dapps by writing a correct address, though. Re-enable Signer to get your homepage back."),
 						self.signer_address.clone(),
 					))
 				}

devtools/src/http_client.rs

@@ -14,6 +14,7 @@
 // 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::thread;
 use std::time::Duration;
 use std::io::{Read, Write};
 use std::str::{self, Lines};
@@ -42,8 +43,28 @@ pub fn read_block(lines: &mut Lines, all: bool) -> String {
 	block
 }
 
+fn connect(address: &SocketAddr) -> TcpStream {
+	let mut retries = 0;
+	let mut last_error = None;
+	while retries < 10 {
+		retries += 1;
+
+		let res = TcpStream::connect(address);
+		match res {
+			Ok(stream) => {
+				return stream;
+			},
+			Err(e) => {
+				last_error = Some(e);
+				thread::sleep(Duration::from_millis(retries * 10));
+			}
+		}
+	}
+	panic!("Unable to connect to the server. Last error: {:?}", last_error);
+}
+
 pub fn request(address: &SocketAddr, request: &str) -> Response {
-	let mut req = TcpStream::connect(address).unwrap();
+	let mut req = connect(address);
 	req.set_read_timeout(Some(Duration::from_secs(1))).unwrap();
 	req.write_all(request.as_bytes()).unwrap();
 

ethcore/src/snapshot/account.rs

@@ -19,11 +19,11 @@
 use account_db::{AccountDB, AccountDBMut};
 use snapshot::Error;
 
-use util::{U256, FixedHash, H256, Bytes, HashDB, DBValue, SHA3_EMPTY, SHA3_NULL_RLP};
+use util::{U256, FixedHash, H256, Bytes, HashDB, SHA3_EMPTY, SHA3_NULL_RLP};
 use util::trie::{TrieDB, Trie};
 use rlp::{Rlp, RlpStream, Stream, UntrustedRlp, View};
 
-use std::collections::{HashMap, HashSet};
+use std::collections::HashSet;
 
 // An empty account -- these are replaced with RLP null data for a space optimization.
 const ACC_EMPTY: Account = Account {
@@ -150,7 +150,6 @@ impl Account {
 	pub fn from_fat_rlp(
 		acct_db: &mut AccountDBMut,
 		rlp: UntrustedRlp,
-		code_map: &HashMap<H256, Bytes>,
 	) -> Result<(Self, Option<Bytes>), Error> {
 		use util::{TrieDBMut, TrieMut};
 
@@ -177,9 +176,6 @@ impl Account {
 			}
 			CodeState::Hash => {
 				let code_hash = try!(rlp.val_at(3));
-				if let Some(code) = code_map.get(&code_hash) {
-					acct_db.emplace(code_hash.clone(), DBValue::from_slice(code));
-				}
 
 				(code_hash, None)
 			}
@@ -229,7 +225,7 @@ mod tests {
 	use util::{Address, FixedHash, H256, HashDB, DBValue};
 	use rlp::{UntrustedRlp, View};
 
-	use std::collections::{HashSet, HashMap};
+	use std::collections::HashSet;
 
 	use super::{ACC_EMPTY, Account};
 
@@ -250,7 +246,7 @@ mod tests {
 
 		let fat_rlp = account.to_fat_rlp(&AccountDB::new(db.as_hashdb(), &addr), &mut Default::default()).unwrap();
 		let fat_rlp = UntrustedRlp::new(&fat_rlp);
-		assert_eq!(Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &addr), fat_rlp, &Default::default()).unwrap().0, account);
+		assert_eq!(Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &addr), fat_rlp).unwrap().0, account);
 	}
 
 	#[test]
@@ -275,7 +271,7 @@ mod tests {
 
 		let fat_rlp = account.to_fat_rlp(&AccountDB::new(db.as_hashdb(), &addr), &mut Default::default()).unwrap();
 		let fat_rlp = UntrustedRlp::new(&fat_rlp);
-		assert_eq!(Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &addr), fat_rlp, &Default::default()).unwrap().0, account);
+		assert_eq!(Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &addr), fat_rlp).unwrap().0, account);
 	}
 
 	#[test]
@@ -318,12 +314,11 @@ mod tests {
 		let fat_rlp1 = UntrustedRlp::new(&fat_rlp1);
 		let fat_rlp2 = UntrustedRlp::new(&fat_rlp2);
 
-		let code_map = HashMap::new();
+		let (acc, maybe_code) = Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &addr2), fat_rlp2).unwrap();
-		let (acc, maybe_code) = Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &addr2), fat_rlp2, &code_map).unwrap();
 		assert!(maybe_code.is_none());
 		assert_eq!(acc, account2);
 
-		let (acc, maybe_code) = Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &addr1), fat_rlp1, &code_map).unwrap();
+		let (acc, maybe_code) = Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &addr1), fat_rlp1).unwrap();
 		assert_eq!(maybe_code, Some(b"this is definitely code".to_vec()));
 		assert_eq!(acc, account1);
 	}
@@ -332,9 +327,8 @@ mod tests {
 	fn encoding_empty_acc() {
 		let mut db = get_temp_state_db();
 		let mut used_code = HashSet::new();
-		let code_map = HashMap::new();
 
 		assert_eq!(ACC_EMPTY.to_fat_rlp(&AccountDB::new(db.as_hashdb(), &Address::default()), &mut used_code).unwrap(), ::rlp::NULL_RLP.to_vec());
-		assert_eq!(Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &Address::default()), UntrustedRlp::new(&::rlp::NULL_RLP), &code_map).unwrap(), (ACC_EMPTY, None));
+		assert_eq!(Account::from_fat_rlp(&mut AccountDBMut::new(db.as_hashdb_mut(), &Address::default()), UntrustedRlp::new(&::rlp::NULL_RLP)).unwrap(), (ACC_EMPTY, None));
 	}
 }

ethcore/src/snapshot/mod.rs

@@ -389,7 +389,7 @@ pub fn chunk_state<'a>(db: &HashDB, root: &H256, writer: &Mutex<SnapshotWriter +
 pub struct StateRebuilder {
 	db: Box<JournalDB>,
 	state_root: H256,
-	code_map: HashMap<H256, Bytes>, // maps code hashes to code itself.
+	known_code: HashMap<H256, H256>, // code hashes mapped to first account with this code.
 	missing_code: HashMap<H256, Vec<H256>>, // maps code hashes to lists of accounts missing that code.
 	bloom: Bloom,
 }
@@ -400,7 +400,7 @@ impl StateRebuilder {
 		StateRebuilder {
 			db: journaldb::new(db.clone(), pruning, ::db::COL_STATE),
 			state_root: SHA3_NULL_RLP,
-			code_map: HashMap::new(),
+			known_code: HashMap::new(),
 			missing_code: HashMap::new(),
 			bloom: StateDB::load_bloom(&*db),
 		}
@@ -419,24 +419,26 @@ impl StateRebuilder {
 		let chunk_size = account_fat_rlps.len() / ::num_cpus::get() + 1;
 
 		// new code contained within this chunk.
-		let mut chunk_code = HashMap::new();
+		let mut chunk_code = Vec::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, &self.known_code));
-			let status = try!(rebuild_accounts(self.db.as_hashdb_mut(), account_chunk, out_pairs_chunk, code_map));
 			chunk_code.extend(status.new_code);
+
+			// update missing 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, first_with) in chunk_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));
 			}
 
-			self.code_map.insert(code_hash, code);
+			self.known_code.insert(code_hash, first_with);
 		}
 
 		let backing = self.db.backing().clone();
@@ -482,7 +484,8 @@ impl StateRebuilder {
 
 #[derive(Default)]
 struct RebuiltStatus {
-	new_code: Vec<(H256, Bytes)>, // new code that's become available.
+	// new code that's become available. (code_hash, code, addr_hash)
+	new_code: Vec<(H256, Bytes, H256)>,
 	missing_code: Vec<(H256, H256)>, // accounts that are missing code.
 }
 
@@ -492,9 +495,8 @@ fn rebuild_accounts(
 	db: &mut HashDB,
 	account_chunk: &[&[u8]],
 	out_chunk: &mut [(H256, Bytes)],
-	code_map: &HashMap<H256, Bytes>
+	known_code: &HashMap<H256, H256>,
-) -> Result<RebuiltStatus, ::error::Error>
+) -> Result<RebuiltStatus, ::error::Error> {
-{
 	let mut status = RebuiltStatus::default();
 	for (account_pair, out) in account_chunk.into_iter().zip(out_chunk) {
 		let account_rlp = UntrustedRlp::new(account_pair);
@@ -503,17 +505,33 @@ fn rebuild_accounts(
 		let fat_rlp = try!(account_rlp.at(1));
 
 		let thin_rlp = {
-			let mut acct_db = AccountDBMut::from_hash(db, hash);
 
 			// fill out the storage trie and code while decoding.
-			let (acc, maybe_code) = try!(Account::from_fat_rlp(&mut acct_db, fat_rlp, code_map));
+			let (acc, maybe_code) = {
+				let mut acct_db = AccountDBMut::from_hash(db, hash);
+				try!(Account::from_fat_rlp(&mut acct_db, fat_rlp))
+			};
 
 			let code_hash = acc.code_hash().clone();
 			match maybe_code {
-				Some(code) => status.new_code.push((code_hash, code)),
+				// new inline code
+				Some(code) => status.new_code.push((code_hash, code, hash)),
 				None => {
-					if code_hash != ::util::SHA3_EMPTY && !code_map.contains_key(&code_hash) {
+					if code_hash != ::util::SHA3_EMPTY {
-						status.missing_code.push((hash, code_hash));
+						// see if this code has already been included inline
+						match known_code.get(&code_hash) {
+							Some(&first_with) => {
+								// if so, load it from the database.
+								let code = try!(AccountDB::from_hash(db, first_with)
+									.get(&code_hash)
+									.ok_or_else(|| Error::MissingCode(vec![first_with])));
+
+								// and write it again under a different mangled key
+								AccountDBMut::from_hash(db, hash).emplace(code_hash, code);
+							}
+							// if not, queue it up to be filled later
+							None => status.missing_code.push((hash, code_hash)),
+						}
 					}
 				}
 			}

ethcore/src/snapshot/tests/state.rs

@@ -17,6 +17,7 @@
 //! State snapshotting tests.
 
 use snapshot::{chunk_state, Progress, StateRebuilder};
+use snapshot::account::Account;
 use snapshot::io::{PackedReader, PackedWriter, SnapshotReader, SnapshotWriter};
 use super::helpers::{compare_dbs, StateProducer};
 
@@ -28,6 +29,8 @@ use util::memorydb::MemoryDB;
 use util::Mutex;
 use devtools::RandomTempPath;
 
+use util::sha3::SHA3_NULL_RLP;
+
 use std::sync::Arc;
 
 #[test]
@@ -82,3 +85,54 @@ fn snap_and_restore() {
 
 	compare_dbs(&old_db, new_db.as_hashdb());
 }
+
+#[test]
+fn get_code_from_prev_chunk() {
+	use std::collections::HashSet;
+	use rlp::{RlpStream, Stream};
+	use util::{HashDB, H256, FixedHash, U256, Hashable};
+
+	use account_db::{AccountDBMut, AccountDB};
+
+	let code = b"this is definitely code";
+	let mut used_code = HashSet::new();
+	let mut acc_stream = RlpStream::new_list(4);
+	acc_stream.append(&U256::default())
+		.append(&U256::default())
+		.append(&SHA3_NULL_RLP)
+		.append(&code.sha3());
+
+	let (h1, h2) = (H256::random(), H256::random());
+
+	// two accounts with the same code, one per chunk.
+	// first one will have code inlined,
+	// second will just have its hash.
+	let thin_rlp = acc_stream.out();
+	let acc1 = Account::from_thin_rlp(&thin_rlp);
+	let acc2 = Account::from_thin_rlp(&thin_rlp);
+
+	let mut make_chunk = |acc: Account, hash| {
+		let mut db = MemoryDB::new();
+		AccountDBMut::from_hash(&mut db, hash).insert(&code[..]);
+
+		let fat_rlp = acc.to_fat_rlp(&AccountDB::from_hash(&db, hash), &mut used_code).unwrap();
+
+		let mut stream = RlpStream::new_list(1);
+		stream.begin_list(2).append(&hash).append_raw(&fat_rlp, 1);
+		stream.out()
+	};
+
+	let chunk1 = make_chunk(acc1, h1);
+	let chunk2 = make_chunk(acc2, h2);
+
+	let db_path = RandomTempPath::create_dir();
+	let db_cfg = DatabaseConfig::with_columns(::db::NUM_COLUMNS);
+	let new_db = Arc::new(Database::open(&db_cfg, &db_path.to_string_lossy()).unwrap());
+
+	let mut rebuilder = StateRebuilder::new(new_db, Algorithm::Archive);
+
+	rebuilder.feed(&chunk1).unwrap();
+	rebuilder.feed(&chunk2).unwrap();
+
+	rebuilder.check_missing().unwrap();
+}

js/src/dapps/tokenreg/Accounts/AccountSelector/account-selector.js

@@ -70,7 +70,8 @@ export default class AccountSelector extends Component {
   static propTypes = {
     list: PropTypes.array.isRequired,
     selected: PropTypes.object.isRequired,
-    handleSetSelected: PropTypes.func.isRequired
+    handleSetSelected: PropTypes.func.isRequired,
+    onAccountChange: PropTypes.func
   };
 
   state = {
@@ -85,7 +86,8 @@ export default class AccountSelector extends Component {
         nestedItems={ nestedAccounts }
         open={ this.state.open }
         onSelectAccount={ this.onToggleOpen }
-        autoGenerateNestedIndicator={ false } />
+        autoGenerateNestedIndicator={ false }
+        nestedListStyle={ { maxHeight: '14em', overflow: 'auto' } } />
     );
 
     return (
@@ -110,6 +112,10 @@ export default class AccountSelector extends Component {
 
   onToggleOpen = () => {
     this.setState({ open: !this.state.open });
+
+    if (typeof this.props.onAccountChange === 'function') {
+      this.props.onAccountChange();
+    }
   }
 
   onSelectAccount = (address) => {

js/src/dapps/tokenreg/Actions/Register/register.js

@@ -21,7 +21,7 @@ import { Dialog, FlatButton } from 'material-ui';
 import AccountSelector from '../../Accounts/AccountSelector';
 import InputText from '../../Inputs/Text';
 
-import { TOKEN_ADDRESS_TYPE, TLA_TYPE, UINT_TYPE, STRING_TYPE } from '../../Inputs/validation';
+import { TOKEN_ADDRESS_TYPE, TLA_TYPE, DECIMAL_TYPE, STRING_TYPE } from '../../Inputs/validation';
 
 import styles from '../actions.css';
 
@@ -41,11 +41,11 @@ const initState = {
       floatingLabelText: 'Token TLA',
       hintText: 'The token short name (3 characters)'
     },
-    base: {
+    decimals: {
       ...defaultField,
-      type: UINT_TYPE,
+      type: DECIMAL_TYPE,
-      floatingLabelText: 'Token Base',
+      floatingLabelText: 'Token Decimals',
-      hintText: 'The token precision'
+      hintText: 'The number of decimals (0-18)'
     },
     name: {
       ...defaultField,
@@ -81,6 +81,7 @@ export default class RegisterAction extends Component {
         className={ styles.dialog }
         onRequestClose={ this.onClose }
         actions={ this.renderActions() }
+        ref='dialog'
         autoScrollBodyContent
       >
         { this.renderContent() }
@@ -149,7 +150,9 @@ export default class RegisterAction extends Component {
   renderForm () {
     return (
       <div>
-        <AccountSelector />
+        <AccountSelector
+          onAccountChange={ this.onAccountChange }
+        />
         { this.renderInputs() }
       </div>
     );
@@ -175,6 +178,11 @@ export default class RegisterAction extends Component {
     });
   }
 
+  onAccountChange = () => {
+    const { dialog } = this.refs;
+    dialog.forceUpdate();
+  }
+
   onChange (fieldKey, valid, value) {
     const { fields } = this.state;
     const field = fields[fieldKey];

js/src/dapps/tokenreg/Actions/actions.js

@@ -47,7 +47,8 @@ export const registerToken = (tokenData) => (dispatch, getState) => {
   const contractInstance = state.status.contract.instance;
   const fee = state.status.contract.fee;
 
-  const { address, base, name, tla } = tokenData;
+  const { address, decimals, name, tla } = tokenData;
+  const base = Math.pow(10, decimals);
 
   dispatch(setRegisterSending(true));
 

js/src/dapps/tokenreg/Inputs/validation.js

@@ -32,6 +32,7 @@ export const SIMPLE_TOKEN_ADDRESS_TYPE = 'SIMPLE_TOKEN_ADDRESS_TYPE';
 export const TLA_TYPE = 'TLA_TYPE';
 export const SIMPLE_TLA_TYPE = 'SIMPLE_TLA_TYPE';
 export const UINT_TYPE = 'UINT_TYPE';
+export const DECIMAL_TYPE = 'DECIMAL_TYPE';
 export const STRING_TYPE = 'STRING_TYPE';
 export const HEX_TYPE = 'HEX_TYPE';
 export const URL_TYPE = 'URL_TYPE';
@@ -39,6 +40,7 @@ export const URL_TYPE = 'URL_TYPE';
 export const ERRORS = {
   invalidTLA: 'The TLA should be 3 characters long',
   invalidUint: 'Please enter a non-negative integer',
+  invalidDecimal: 'Please enter a value between 0 and 18',
   invalidString: 'Please enter at least a character',
   invalidAccount: 'Please select an account to transact with',
   invalidRecipient: 'Please select an account to send to',
@@ -75,7 +77,7 @@ const validateTokenAddress = (address, contract, simple) => {
 
   return getTokenTotalSupply(address)
     .then(balance => {
-      if (balance === null) {
+      if (balance === null || balance.equals(0)) {
         return {
           error: ERRORS.invalidTokenAddress,
           valid: false
@@ -152,6 +154,21 @@ const validateUint = (uint) => {
   };
 };
 
+const validateDecimal = (decimal) => {
+  if (!/^\d+$/.test(decimal) || parseInt(decimal) < 0 || parseInt(decimal) > 18) {
+    return {
+      error: ERRORS.invalidDecimal,
+      valid: false
+    };
+  }
+
+  return {
+    value: parseInt(decimal),
+    error: null,
+    valid: true
+  };
+};
+
 const validateString = (string) => {
   if (string.toString().length === 0) {
     return {
@@ -204,6 +221,7 @@ export const validate = (value, type, contract) => {
   if (type === TLA_TYPE) return validateTLA(value, contract);
   if (type === SIMPLE_TLA_TYPE) return validateTLA(value, contract, true);
   if (type === UINT_TYPE) return validateUint(value);
+  if (type === DECIMAL_TYPE) return validateDecimal(value);
   if (type === STRING_TYPE) return validateString(value);
   if (type === HEX_TYPE) return validateHex(value);
   if (type === URL_TYPE) return validateURL(value);

js/src/dapps/tokenreg/Tokens/Token/token.js

@@ -57,6 +57,7 @@ export default class Token extends Component {
     isLoading: PropTypes.bool,
     isPending: PropTypes.bool,
     isTokenOwner: PropTypes.bool.isRequired,
+    isContractOwner: PropTypes.bool.isRequired,
 
     fullWidth: PropTypes.bool
   };
@@ -151,8 +152,8 @@ export default class Token extends Component {
     if (!base || base < 0) return null;
     return (
       <Chip
-        value={ base.toString() }
+        value={ Math.log10(base).toString() }
-        label='Base' />
+        label='Decimals' />
     );
   }
 
@@ -220,7 +221,7 @@ export default class Token extends Component {
   }
 
   renderUnregister () {
-    if (!this.props.isTokenOwner) {
+    if (!this.props.isContractOwner) {
       return null;
     }
 

js/src/dapps/tokenreg/Tokens/tokens.js

@@ -45,7 +45,7 @@ export default class Tokens extends Component {
   }
 
   renderTokens (tokens) {
-    const { accounts } = this.props;
+    const { accounts, isOwner } = this.props;
 
     return tokens.map((token, index) => {
       if (!token || !token.tla) {
@@ -61,7 +61,8 @@ export default class Tokens extends Component {
           handleMetaLookup={ this.props.handleMetaLookup }
           handleAddMeta={ this.props.handleAddMeta }
           key={ index }
-          isTokenOwner={ isTokenOwner } />
+          isTokenOwner={ isTokenOwner }
+          isContractOwner={ isOwner } />
       );
     });
   }

js/src/modals/Transfer/transfer.js

@@ -314,7 +314,7 @@ export default class Transfer extends Component {
     }
 
     const token = balance.tokens.find((balance) => balance.token.tag === tag).token;
-    const s = new BigNumber(num).mul(token.format || 1).toString();
+    const s = new BigNumber(num).mul(token.format || 1).toFixed();
 
     if (s.indexOf('.') !== -1) {
       return ERRORS.invalidDecimals;
@@ -516,6 +516,13 @@ export default class Transfer extends Component {
   }
 
   recalculateGas = () => {
+    if (!this.isValid()) {
+      this.setState({
+        gas: '0'
+      }, this.recalculate);
+      return;
+    }
+
     (this.state.isEth
       ? this._estimateGasEth()
       : this._estimateGasToken()

js/src/views/Dapps/builtin.json

@@ -0,0 +1,43 @@
+[
+  {
+    "id": "0xf9f2d620c2e08f83e45555247146c62185e4ab7cf82a4b9002a265a0d020348f",
+    "url": "basiccoin",
+    "name": "Token Deployment",
+    "description": "Deploy new basic tokens that you are able to send around",
+    "author": "Parity Team <admin@ethcore.io>",
+    "version": "1.0.0"
+  },
+  {
+    "id": "0xd1adaede68d344519025e2ff574650cd99d3830fe6d274c7a7843cdc00e17938",
+    "url": "registry",
+    "name": "Registry",
+    "description": "A global registry of addresses on the network",
+    "author": "Parity Team <admin@ethcore.io>",
+    "version": "1.0.0"
+  },
+  {
+    "id": "0x0a8048117e51e964628d0f2d26342b3cd915248b59bcce2721e1d05f5cfa2208",
+    "url": "tokenreg",
+    "name": "Token Registry",
+    "description": "A registry of transactable tokens on the network",
+    "author": "Parity Team <admin@ethcore.io>",
+    "version": "1.0.0"
+  },
+  {
+    "id": "0xf49089046f53f5d2e5f3513c1c32f5ff57d986e46309a42d2b249070e4e72c46",
+    "url": "signaturereg",
+    "name": "Method Registry",
+    "description": "A registry of method signatures for lookups on transactions",
+    "author": "Parity Team <admin@ethcore.io>",
+    "version": "1.0.0"
+  },
+  {
+    "id": "0x058740ee9a5a3fb9f1cfa10752baec87e09cc45cd7027fd54708271aca300c75",
+    "url": "githubhint",
+    "name": "GitHub Hint",
+    "description": "A mapping of GitHub URLs to hashes for use in contracts as references",
+    "author": "Parity Team <admin@ethcore.io>",
+    "version": "1.0.0",
+    "secure": true
+  }
+]

js/src/views/Dapps/dappsStore.js

@@ -14,69 +14,39 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-import { action, computed, observable } from 'mobx';
+import { action, computed, observable, transaction } from 'mobx';
 
 import Contracts from '../../contracts';
 import { hashToImageUrl } from '../../redux/util';
 
-const builtinApps = [
+import builtinApps from './builtin.json';
-  {
+
-    id: '0xf9f2d620c2e08f83e45555247146c62185e4ab7cf82a4b9002a265a0d020348f',
+const LS_KEY_HIDDEN = 'hiddenApps';
-    url: 'basiccoin',
+const LS_KEY_EXTERNAL = 'externalApps';
-    name: 'Token Deployment',
-    description: 'Deploy new basic tokens that you are able to send around',
-    author: 'Parity Team <admin@ethcore.io>',
-    version: '1.0.0'
-  },
-  {
-    id: '0xd1adaede68d344519025e2ff574650cd99d3830fe6d274c7a7843cdc00e17938',
-    url: 'registry',
-    name: 'Registry',
-    description: 'A global registry of addresses on the network',
-    author: 'Parity Team <admin@ethcore.io>',
-    version: '1.0.0'
-  },
-  {
-    id: '0x0a8048117e51e964628d0f2d26342b3cd915248b59bcce2721e1d05f5cfa2208',
-    url: 'tokenreg',
-    name: 'Token Registry',
-    description: 'A registry of transactable tokens on the network',
-    author: 'Parity Team <admin@ethcore.io>',
-    version: '1.0.0'
-  },
-  {
-    id: '0xf49089046f53f5d2e5f3513c1c32f5ff57d986e46309a42d2b249070e4e72c46',
-    url: 'signaturereg',
-    name: 'Method Registry',
-    description: 'A registry of method signatures for lookups on transactions',
-    author: 'Parity Team <admin@ethcore.io>',
-    version: '1.0.0'
-  },
-  {
-    id: '0x058740ee9a5a3fb9f1cfa10752baec87e09cc45cd7027fd54708271aca300c75',
-    url: 'githubhint',
-    name: 'GitHub Hint',
-    description: 'A mapping of GitHub URLs to hashes for use in contracts as references',
-    author: 'Parity Team <admin@ethcore.io>',
-    version: '1.0.0',
-    secure: true
-  }
-];
 
 export default class DappsStore {
   @observable apps = [];
-  @observable hidden = [];
+  @observable externalApps = [];
+  @observable hiddenApps = [];
   @observable modalOpen = false;
 
   constructor (api) {
     this._api = api;
 
     this._readHiddenApps();
-    this._fetch();
+    this._readExternalApps();
+
+    this._fetchBuiltinApps();
+    this._fetchLocalApps();
+    this._fetchRegistryApps();
   }
 
   @computed get visible () {
-    return this.apps.filter((app) => !this.hidden.includes(app.id));
+    return this.apps
+      .filter((app) => {
+        return this.externalApps.includes(app.id) || !this.hiddenApps.includes(app.id);
+      })
+      .sort((a, b) => a.name.localeCompare(b.name));
   }
 
   @action openModal = () => {
@@ -88,12 +58,12 @@ export default class DappsStore {
   }
 
   @action hideApp = (id) => {
-    this.hidden = this.hidden.concat(id);
+    this.hiddenApps = this.hiddenApps.concat(id);
     this._writeHiddenApps();
   }
 
   @action showApp = (id) => {
-    this.hidden = this.hidden.filter((_id) => _id !== id);
+    this.hiddenApps = this.hiddenApps.filter((_id) => _id !== id);
     this._writeHiddenApps();
   }
 
@@ -103,25 +73,48 @@ export default class DappsStore {
       : '';
   }
 
-  _fetch () {
+  _fetchBuiltinApps () {
-    Promise
+    const { dappReg } = Contracts.get();
-      .all([
+
-        this._fetchLocal(),
+    return Promise
-        this._fetchRegistry()
+      .all(builtinApps.map((app) => dappReg.getImage(app.id)))
-      ])
+      .then((imageIds) => {
-      .then(([localApps, registryApps]) => {
+        transaction(() => {
-        this.apps = []
+          builtinApps.forEach((app, index) => {
-          .concat(localApps)
+            app.type = 'builtin';
-          .concat(registryApps)
+            app.image = hashToImageUrl(imageIds[index]);
-          .filter((app) => app.id)
+            this.apps.push(app);
-          .sort((a, b) => (a.name || '').localeCompare(b.name || ''));
+          });
-      })
+        });
-      .catch((error) => {
-        console.warn('DappStore:fetch', error);
       });
   }
 
-  _fetchRegistry () {
+  _fetchLocalApps () {
+    return fetch(`${this._getHost()}/api/apps`)
+      .then((response) => {
+        return response.ok
+          ? response.json()
+          : [];
+      })
+      .then((apps) => {
+        return apps
+          .map((app) => {
+            app.type = 'local';
+            return app;
+          })
+          .filter((app) => app.id && !['ui'].includes(app.id));
+      })
+      .then((apps) => {
+        transaction(() => {
+          (apps || []).forEach((app) => this.apps.push(app));
+        });
+      })
+      .catch((error) => {
+        console.warn('DappsStore:fetchLocal', error);
+      });
+  }
+
+  _fetchRegistryApps () {
     const { dappReg } = Contracts.get();
 
     return dappReg
@@ -137,9 +130,9 @@ export default class DappsStore {
         return Promise.all(promises);
       })
       .then((appsInfo) => {
-        const appIds = appsInfo.map(([appId, owner]) => {
+        const appIds = appsInfo
-          return this._api.util.bytesToHex(appId);
+          .map(([appId, owner]) => this._api.util.bytesToHex(appId))
-        });
+          .filter((appId) => !builtinApps.find((app) => app.id === appId));
 
         return Promise
           .all([
@@ -149,27 +142,21 @@ export default class DappsStore {
           ])
           .then(([imageIds, contentIds, manifestIds]) => {
             return appIds.map((appId, index) => {
-              const app = builtinApps.find((ba) => ba.id === appId) || {
+              const app = {
                 id: appId,
+                image: hashToImageUrl(imageIds[index]),
                 contentHash: this._api.util.bytesToHex(contentIds[index]).substr(2),
                 manifestHash: this._api.util.bytesToHex(manifestIds[index]).substr(2),
                 type: 'network'
               };
 
-              app.image = hashToImageUrl(imageIds[index]);
-              app.type = app.type || 'builtin';
-
               return app;
             });
           });
       })
       .then((apps) => {
         return Promise
-          .all(apps.map((app) => {
+          .all(apps.map((app) => this._fetchManifest(app.manifestHash)))
-            return app.manifestHash
-              ? this._fetchManifest(app.manifestHash)
-              : null;
-          }))
           .then((manifests) => {
             return apps.map((app, index) => {
               const manifest = manifests[index];
@@ -177,7 +164,7 @@ export default class DappsStore {
               if (manifest) {
                 app.manifestHash = null;
                 Object.keys(manifest)
-                  .filter((key) => key !== 'id')
+                  .filter((key) => ['author', 'description', 'name', 'version'].includes(key))
                   .forEach((key) => {
                     app[key] = manifest[key];
                   });
@@ -192,6 +179,11 @@ export default class DappsStore {
             });
           });
       })
+      .then((apps) => {
+        transaction(() => {
+          (apps || []).forEach((app) => this.apps.push(app));
+        });
+      })
       .catch((error) => {
         console.warn('DappsStore:fetchRegistry', error);
       });
@@ -210,39 +202,43 @@ export default class DappsStore {
       });
   }
 
-  _fetchLocal () {
-    return fetch(`${this._getHost()}/api/apps`)
-      .then((response) => {
-        return response.ok
-          ? response.json()
-          : [];
-      })
-      .then((localApps) => {
-        return localApps
-          .filter((app) => app && app.id && !['ui'].includes(app.id))
-          .map((app) => {
-            app.type = 'local';
-            return app;
-          });
-      })
-      .catch((error) => {
-        console.warn('DappsStore:fetchLocal', error);
-      });
-  }
-
   _readHiddenApps () {
-    const stored = localStorage.getItem('hiddenApps');
+    const stored = localStorage.getItem(LS_KEY_HIDDEN);
 
     if (stored) {
       try {
-        this.hidden = JSON.parse(stored);
+        this.hiddenApps = JSON.parse(stored);
       } catch (error) {
         console.warn('DappsStore:readHiddenApps', error);
       }
     }
   }
 
+  _readExternalApps () {
+    const stored = localStorage.getItem(LS_KEY_EXTERNAL);
+
+    if (stored) {
+      try {
+        this.externalApps = JSON.parse(stored);
+      } catch (error) {
+        console.warn('DappsStore:readExternalApps', error);
+      }
+    }
+  }
+
+  _writeExternalApps () {
+    try {
+      localStorage.setItem(LS_KEY_EXTERNAL, JSON.stringify(this.externalApps));
+    } catch (error) {
+      console.error('DappsStore:writeExternalApps', error);
+    }
+  }
+
   _writeHiddenApps () {
-    localStorage.setItem('hiddenApps', JSON.stringify(this.hidden));
+    try {
+      localStorage.setItem(LS_KEY_HIDDEN, JSON.stringify(this.hiddenApps));
+    } catch (error) {
+      console.error('DappsStore:writeHiddenApps', error);
+    }
   }
 }

parity/helpers.rs

@@ -15,9 +15,8 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::{io, env};
-use std::io::{Write, Read, BufReader, BufRead};
+use std::io::{Write, BufReader, BufRead};
 use std::time::Duration;
-use std::path::Path;
 use std::fs::File;
 use util::{clean_0x, U256, Uint, Address, path, CompactionProfile};
 use util::journaldb::Algorithm;
@@ -299,13 +298,11 @@ pub fn password_prompt() -> Result<String, String> {
 }
 
 /// Read a password from password file.
-pub fn password_from_file<P>(path: P) -> Result<String, String> where P: AsRef<Path> {
+pub fn password_from_file(path: String) -> Result<String, String> {
-	let mut file = try!(File::open(path).map_err(|_| "Unable to open password file."));
+	let passwords = try!(passwords_from_files(vec![path]));
-	let mut file_content = String::new();
+	// use only first password from the file
-	match file.read_to_string(&mut file_content) {
+	passwords.get(0).map(String::to_owned)
-		Ok(_) => Ok(file_content.trim().into()),
+		.ok_or_else(|| "Password file seems to be empty.".to_owned())
-		Err(_) => Err("Unable to read password file.".into()),
-	}
 }
 
 /// Reads passwords from files. Treats each line as a separate password.
@@ -314,7 +311,8 @@ pub fn passwords_from_files(files: Vec<String>) -> Result<Vec<String>, String> {
 		let file = try!(File::open(filename).map_err(|_| format!("{} Unable to read password file. Ensure it exists and permissions are correct.", filename)));
 		let reader = BufReader::new(&file);
 		let lines = reader.lines()
-			.map(|l| l.unwrap())
+			.filter_map(|l| l.ok())
+			.map(|pwd| pwd.trim().to_owned())
 			.collect::<Vec<String>>();
 		Ok(lines)
 	}).collect::<Result<Vec<Vec<String>>, String>>();
@@ -418,7 +416,20 @@ mod tests {
 		let path = RandomTempPath::new();
 		let mut file = File::create(path.as_path()).unwrap();
 		file.write_all(b"a bc ").unwrap();
-		assert_eq!(password_from_file(path).unwrap().as_bytes(), b"a bc");
+		assert_eq!(password_from_file(path.as_str().into()).unwrap().as_bytes(), b"a bc");
+	}
+
+	#[test]
+	fn test_password_multiline() {
+		let path = RandomTempPath::new();
+		let mut file = File::create(path.as_path()).unwrap();
+		file.write_all(br#"    password with trailing whitespace
+those passwords should be
+ignored
+but the first password is trimmed
+
+"#).unwrap();
+		assert_eq!(&password_from_file(path.as_str().into()).unwrap(), "password with trailing whitespace");
 	}
 
 	#[test]

signer/src/tests/mod.rs

@@ -16,7 +16,7 @@
 
 use std::ops::{Deref, DerefMut};
 use std::thread;
-use std::time::{self, Duration};
+use std::time;
 use std::sync::Arc;
 use devtools::{http_client, RandomTempPath};
 use rpc::ConfirmationsQueue;
@@ -50,7 +50,6 @@ pub fn serve() -> (Server, usize, GuardedAuthCodes) {
 	let builder = ServerBuilder::new(queue, path.to_path_buf());
 	let port = 35000 + rand::random::<usize>() % 10000;
 	let res = builder.start(format!("127.0.0.1:{}", port).parse().unwrap()).unwrap();
-	thread::sleep(Duration::from_millis(25));
 
 	(res, port, GuardedAuthCodes {
 		authcodes: AuthCodes::from_file(&path).unwrap(),

util/src/hashdb.rs

@@ -17,10 +17,10 @@
 //! Database of byte-slices keyed to their Keccak hash.
 use hash::*;
 use std::collections::HashMap;
-use elastic_array::ElasticArray256;
+use elastic_array::ElasticArray128;
 
 /// `HashDB` value type.
-pub type DBValue = ElasticArray256<u8>;
+pub type DBValue = ElasticArray128<u8>;
 
 /// Trait modelling datastore keyed by a 32-byte Keccak hash.
 pub trait HashDB: AsHashDB + Send + Sync {

util/src/kvdb.rs

@@ -464,6 +464,7 @@ impl Database {
 				try!(db.write_opt(batch, &self.write_opts));
 				for column in self.flushing.write().iter_mut() {
 					column.clear();
+					column.shrink_to_fit();
 				}
 				Ok(())
 			},