From 0d20b21ee8dfbf21a34702b80dc08dd8459c4924 Mon Sep 17 00:00:00 2001
From: Arkadiy Paronyan <arkady.paronyan@gmail.com>
Date: Mon, 7 Nov 2016 18:25:58 +0100
Subject: [PATCH] Backporting to beta (#3239)

* Fixed some typos (#3236)

* Add store for dapps state (#3211)

* Add mobx

* Use mobx store for dapps

* Cleanup hidden reads

* Remove (now) unused hidden.js

* _ denotes internal functions

* s/visibleApps/visible/

* AddDapps now use the mobx store as well

* Move modalOpen state to store

* Simplify

* Complete master merge

* Remove extra indirection

* Remove unneeded check

* Readability improvements

* Remove final debug info

* Load network apps manifests as contentHash (no coding) (#3235)

* Add mobx

* Use mobx store for dapps

* Cleanup hidden reads

* Remove (now) unused hidden.js

* _ denotes internal functions

* s/visibleApps/visible/

* AddDapps now use the mobx store as well

* Move modalOpen state to store

* Simplify

* Complete master merge

* Remove extra indirection

* Remove unneeded check

* Readability improvements

* Remove final debug info

* Load network manifests from the network

* Swallow manifest errors

* introduce fetchManifest

* Rename cli and config options signer->ui (#3232)

* rename options signer->ui

* rename config signer->ui


Former-commit-id: f4c4934831f80f9217ff4e6afcaa95cdd41caf45
---
 js/package.json                         |   5 +-
 js/src/contracts/dappreg.js             |   4 +
 js/src/views/Dapp/dapp.js               |  53 +----
 js/src/views/Dapps/AddDapps/AddDapps.js |  53 +++--
 js/src/views/Dapps/Summary/summary.js   |  19 +-
 js/src/views/Dapps/dapps.js             | 119 ++---------
 js/src/views/Dapps/dappsStore.js        | 256 ++++++++++++++++++++++++
 js/src/views/Dapps/hidden.js            |  35 ----
 js/src/views/Dapps/registry.js          | 151 --------------
 js/src/views/Settings/Proxy/proxy.js    |   2 +-
 js/src/views/Settings/Views/defaults.js |   2 +-
 js/src/views/Settings/Views/views.js    |   2 +-
 parity/cli/config.full.toml             |   2 +-
 parity/cli/config.toml                  |   2 +-
 parity/cli/mod.rs                       |  42 ++--
 parity/cli/usage.txt                    |  31 +--
 parity/configuration.rs                 |  54 ++---
 parity/run.rs                           |   4 +-
 parity/signer.rs                        |   2 +-
 19 files changed, 403 insertions(+), 435 deletions(-)
 create mode 100644 js/src/views/Dapps/dappsStore.js
 delete mode 100644 js/src/views/Dapps/hidden.js
 delete mode 100644 js/src/views/Dapps/registry.js

diff --git a/js/package.json b/js/package.json
index 7f8e0f9cf..45483898c 100644
--- a/js/package.json
+++ b/js/package.json
@@ -44,7 +44,7 @@
   "devDependencies": {
     "babel-cli": "^6.10.1",
     "babel-core": "^6.10.4",
-    "babel-eslint": "^6.1.2",
+    "babel-eslint": "^7.1.0",
     "babel-loader": "^6.2.3",
     "babel-plugin-lodash": "^3.2.2",
     "babel-plugin-transform-class-properties": "^6.11.5",
@@ -126,6 +126,9 @@
     "marked": "^0.3.6",
     "material-ui": "^0.16.1",
     "material-ui-chip-input": "^0.8.0",
+    "mobx": "^2.6.1",
+    "mobx-react": "^3.5.8",
+    "mobx-react-devtools": "^4.2.9",
     "moment": "^2.14.1",
     "qs": "^6.3.0",
     "react": "^15.2.1",
diff --git a/js/src/contracts/dappreg.js b/js/src/contracts/dappreg.js
index 5272f6561..ae982af56 100644
--- a/js/src/contracts/dappreg.js
+++ b/js/src/contracts/dappreg.js
@@ -57,4 +57,8 @@ export default class DappReg {
   getContent (id) {
     return this.meta(id, 'CONTENT');
   }
+
+  getManifest (id) {
+    return this.meta(id, 'MANIFEST');
+  }
 }
diff --git a/js/src/views/Dapp/dapp.js b/js/src/views/Dapp/dapp.js
index 7f5f36d1d..399d7b125 100644
--- a/js/src/views/Dapp/dapp.js
+++ b/js/src/views/Dapp/dapp.js
@@ -15,12 +15,13 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 import React, { Component, PropTypes } from 'react';
+import { observer } from 'mobx-react';
 
-import Contracts from '../../contracts';
-import { fetchAvailable } from '../Dapps/registry';
+import DappsStore from '../Dapps/dappsStore';
 
 import styles from './dapp.css';
 
+@observer
 export default class Dapp extends Component {
   static contextTypes = {
     api: PropTypes.object.isRequired
@@ -30,17 +31,12 @@ export default class Dapp extends Component {
     params: PropTypes.object
   };
 
-  state = {
-    app: null
-  }
-
-  componentWillMount () {
-    this.lookup();
-  }
+  store = new DappsStore(this.context.api);
 
   render () {
-    const { app } = this.state;
     const { dappsUrl } = this.context.api;
+    const { id } = this.props.params;
+    const app = this.store.apps.find((app) => app.id === id);
 
     if (!app) {
       return null;
@@ -48,12 +44,6 @@ export default class Dapp extends Component {
 
     let src = null;
     switch (app.type) {
-      case 'builtin':
-        const dapphost = process.env.NODE_ENV === 'production' && !app.secure
-          ? `${dappsUrl}/ui`
-          : '';
-        src = `${dapphost}/${app.url}.html`;
-        break;
       case 'local':
         src = `${dappsUrl}/${app.id}/`;
         break;
@@ -61,7 +51,10 @@ export default class Dapp extends Component {
         src = `${dappsUrl}/${app.contentHash}/`;
         break;
       default:
-        console.error('unknown type', app.type);
+        const dapphost = process.env.NODE_ENV === 'production' && !app.secure
+          ? `${dappsUrl}/ui`
+          : '';
+        src = `${dapphost}/${app.url}.html`;
         break;
     }
 
@@ -76,30 +69,4 @@ export default class Dapp extends Component {
       </iframe>
     );
   }
-
-  lookup () {
-    const { api } = this.context;
-    const { id } = this.props.params;
-    const { dappReg } = Contracts.get();
-
-    fetchAvailable(api)
-      .then((available) => {
-        return available.find((app) => app.id === id);
-      })
-      .then((app) => {
-        if (app.type !== 'network') {
-          return app;
-        }
-
-        return dappReg
-          .getContent(app.id)
-          .then((contentHash) => {
-            app.contentHash = api.util.bytesToHex(contentHash).substr(2);
-            return app;
-          });
-      })
-      .then((app) => {
-        this.setState({ app });
-      });
-  }
 }
diff --git a/js/src/views/Dapps/AddDapps/AddDapps.js b/js/src/views/Dapps/AddDapps/AddDapps.js
index 208a65004..38bb64792 100644
--- a/js/src/views/Dapps/AddDapps/AddDapps.js
+++ b/js/src/views/Dapps/AddDapps/AddDapps.js
@@ -15,6 +15,7 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 import React, { Component, PropTypes } from 'react';
+import { observer } from 'mobx-react';
 import DoneIcon from 'material-ui/svg-icons/action/done';
 import { List, ListItem } from 'material-ui/List';
 import Checkbox from 'material-ui/Checkbox';
@@ -23,57 +24,67 @@ import { Modal, Button } from '../../../ui';
 
 import styles from './AddDapps.css';
 
+@observer
 export default class AddDapps extends Component {
   static propTypes = {
-    available: PropTypes.array.isRequired,
-    hidden: PropTypes.array.isRequired,
-    open: PropTypes.bool.isRequired,
-    onHideApp: PropTypes.func.isRequired,
-    onShowApp: PropTypes.func.isRequired,
-    onClose: PropTypes.func.isRequired
+    store: PropTypes.object.isRequired
   };
 
   render () {
-    const { onClose, open, available } = this.props;
+    const { store } = this.props;
+
+    if (!store.modalOpen) {
+      return null;
+    }
 
     return (
       <Modal
         compact
         title='visible applications'
         actions={ [
-          <Button label={ 'Done' } key='done' onClick={ onClose } icon={ <DoneIcon /> } />
+          <Button
+            label={ 'Done' }
+            key='done'
+            onClick={ store.closeModal }
+            icon={ <DoneIcon /> }
+          />
         ] }
-        visible={ open }
+        visible
         scroll>
         <List>
-          { available.map(this.renderApp) }
+          { store.apps.map(this.renderApp) }
         </List>
       </Modal>
     );
   }
 
   renderApp = (app) => {
-    const { hidden, onHideApp, onShowApp } = this.props;
-    const isHidden = hidden.includes(app.id);
-    const description = (
-      <div className={ styles.description }>
-        { app.description }
-      </div>
-    );
+    const { store } = this.props;
+    const isHidden = store.hidden.includes(app.id);
     const onCheck = () => {
       if (isHidden) {
-        onShowApp(app.id);
+        store.showApp(app.id);
       } else {
-        onHideApp(app.id);
+        store.hideApp(app.id);
       }
     };
 
     return (
       <ListItem
         key={ app.id }
-        leftCheckbox={ <Checkbox checked={ !isHidden } onCheck={ onCheck } /> }
+        leftCheckbox={
+          <Checkbox
+            checked={ !isHidden }
+            onCheck={ onCheck }
+          />
+        }
         primaryText={ app.name }
-        secondaryText={ description } />
+        secondaryText={
+          <div className={ styles.description }>
+            { app.description }
+          </div>
+        }
+      />
     );
   }
 }
diff --git a/js/src/views/Dapps/Summary/summary.js b/js/src/views/Dapps/Summary/summary.js
index 1140bb7b9..a1c9f48b6 100644
--- a/js/src/views/Dapps/Summary/summary.js
+++ b/js/src/views/Dapps/Summary/summary.js
@@ -40,10 +40,10 @@ export default class Summary extends Component {
     }
 
     let image = <div className={ styles.image }>&nbsp;</div>;
-    if (app.image) {
-      image = <img src={ `http://127.0.0.1:${dappsPort}${app.image}` } className={ styles.image } />;
-    } else if (app.iconUrl) {
+    if (app.type === 'local') {
       image = <img src={ `http://127.0.0.1:${dappsPort}/${app.id}/${app.iconUrl}` } className={ styles.image } />;
+    } else {
+      image = <img src={ `http://127.0.0.1:${dappsPort}${app.image}` } className={ styles.image } />;
     }
 
     return (
@@ -52,9 +52,16 @@ export default class Summary extends Component {
         <div className={ styles.description }>
           <ContainerTitle
             className={ styles.title }
-            title={ <Link to={ `/app/${app.id}` }>{ app.name }</Link> }
-            byline={ app.description } />
-          <div className={ styles.author }>{ app.author }, v{ app.version }</div>
+            title={
+              <Link to={ `/app/${app.id}` }>
+                { app.name }
+              </Link>
+            }
+            byline={ app.description }
+          />
+          <div className={ styles.author }>
+            { app.author }, v{ app.version }
+          </div>
           { this.props.children }
         </div>
       </Container>
diff --git a/js/src/views/Dapps/dapps.js b/js/src/views/Dapps/dapps.js
index 4c1b7baab..708c52cb5 100644
--- a/js/src/views/Dapps/dapps.js
+++ b/js/src/views/Dapps/dapps.js
@@ -15,60 +15,46 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 import React, { Component, PropTypes } from 'react';
+import { observer } from 'mobx-react';
 
-import Contracts from '../../contracts';
-import { hashToImageUrl } from '../../redux/util';
 import { Actionbar, Page } from '../../ui';
 import FlatButton from 'material-ui/FlatButton';
 import EyeIcon from 'material-ui/svg-icons/image/remove-red-eye';
 
-import { fetchAvailable } from './registry';
-import { readHiddenApps, writeHiddenApps } from './hidden';
+import DappsStore from './dappsStore';
 
 import AddDapps from './AddDapps';
 import Summary from './Summary';
 
 import styles from './dapps.css';
 
+@observer
 export default class Dapps extends Component {
   static contextTypes = {
     api: PropTypes.object.isRequired
   }
 
-  state = {
-    available: [],
-    hidden: [],
-    modalOpen: false
-  }
-
-  componentDidMount () {
-    this.loadAvailableApps();
-  }
+  store = new DappsStore(this.context.api);
 
   render () {
-    const { available, hidden, modalOpen } = this.state;
-    const apps = available.filter((app) => !hidden.includes(app.id));
-
     return (
       <div>
-        <AddDapps
-          available={ available }
-          hidden={ hidden }
-          open={ modalOpen }
-          onHideApp={ this.onHideApp }
-          onShowApp={ this.onShowApp }
-          onClose={ this.closeModal }
-        />
+        <AddDapps store={ this.store } />
         <Actionbar
           className={ styles.toolbar }
           title='Decentralized Applications'
           buttons={ [
-            <FlatButton label='edit' key='edit' icon={ <EyeIcon /> } onClick={ this.openModal } />
+            <FlatButton
+              label='edit'
+              key='edit'
+              icon={ <EyeIcon /> }
+              onClick={ this.store.openModal }
+            />
           ] }
         />
         <Page>
           <div className={ styles.list }>
-            { apps.map(this.renderApp) }
+            { this.store.visible.map(this.renderApp) }
           </div>
         </Page>
       </div>
@@ -76,10 +62,6 @@ export default class Dapps extends Component {
   }
 
   renderApp = (app) => {
-    if (!app.name) {
-      return null;
-    }
-
     return (
       <div
         className={ styles.item }
@@ -88,81 +70,4 @@ export default class Dapps extends Component {
       </div>
     );
   }
-
-  onHideApp = (id) => {
-    const { hidden } = this.state;
-    const newHidden = hidden.concat(id);
-
-    this.setState({ hidden: newHidden });
-    writeHiddenApps(newHidden);
-  }
-
-  onShowApp = (id) => {
-    const { hidden } = this.state;
-    const newHidden = hidden.filter((_id) => _id !== id);
-
-    this.setState({ hidden: newHidden });
-    writeHiddenApps(newHidden);
-  }
-
-  openModal = () => {
-    this.setState({ modalOpen: true });
-  };
-
-  closeModal = () => {
-    this.setState({ modalOpen: false });
-  };
-
-  loadAvailableApps () {
-    const { api } = this.context;
-
-    fetchAvailable(api)
-      .then((available) => {
-        this.setState({
-          available,
-          hidden: readHiddenApps()
-        });
-
-        this.loadContent();
-      });
-  }
-
-  loadContent () {
-    const { api } = this.context;
-    const { available } = this.state;
-    const { dappReg } = Contracts.get();
-
-    return Promise
-      .all(available.map((app) => dappReg.getImage(app.id)))
-      .then((images) => {
-        const _available = images
-          .map(hashToImageUrl)
-          .map((image, index) => Object.assign({}, available[index], { image }));
-
-        this.setState({ available: _available });
-        const _networkApps = _available.filter((app) => app.network);
-
-        return Promise
-          .all(_networkApps.map((app) => dappReg.getContent(app.id)))
-          .then((content) => {
-            const networkApps = content.map((_contentHash, index) => {
-              const networkApp = _networkApps[index];
-              const contentHash = api.util.bytesToHex(_contentHash).substr(2);
-              const app = _available.find((_app) => _app.id === networkApp.id);
-
-              console.log(`found content for ${app.id} at ${contentHash}`);
-              return Object.assign({}, app, { contentHash });
-            });
-
-            this.setState({
-              available: _available.map((app) => {
-                return Object.assign({}, networkApps.find((napp) => app.id === napp.id) || app);
-              })
-            });
-          });
-      })
-      .catch((error) => {
-        console.warn('loadImages', error);
-      });
-  }
 }
diff --git a/js/src/views/Dapps/dappsStore.js b/js/src/views/Dapps/dappsStore.js
new file mode 100644
index 000000000..443a58649
--- /dev/null
+++ b/js/src/views/Dapps/dappsStore.js
@@ -0,0 +1,256 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// 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 Contracts from '../../contracts';
+import { hashToImageUrl } from '../../redux/util';
+
+const builtinApps = [
+  {
+    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'
+  }
+];
+
+export default class DappsStore {
+  @observable apps = [];
+  @observable hidden = [];
+  @observable modalOpen = false;
+
+  constructor (api) {
+    this._api = api;
+
+    this._readHiddenApps();
+    this._fetch();
+  }
+
+  @computed get visible () {
+    return this.apps.filter((app) => !this.hidden.includes(app.id));
+  }
+
+  @action openModal = () => {
+    this.modalOpen = true;
+  }
+
+  @action closeModal = () => {
+    this.modalOpen = false;
+  }
+
+  @action hideApp = (id) => {
+    this.hidden = this.hidden.concat(id);
+    this._writeHiddenApps();
+  }
+
+  @action showApp = (id) => {
+    this.hidden = this.hidden.filter((_id) => _id !== id);
+    this._writeHiddenApps();
+  }
+
+  _getHost (api) {
+    return process.env.NODE_ENV === 'production'
+      ? this._api.dappsUrl
+      : '';
+  }
+
+  _fetch () {
+    Promise
+      .all([
+        this._fetchLocal(),
+        this._fetchRegistry()
+      ])
+      .then(([localApps, registryApps]) => {
+        this.apps = []
+          .concat(localApps)
+          .concat(registryApps)
+          .filter((app) => app.id)
+          .sort((a, b) => (a.name || '').localeCompare(b.name || ''));
+      })
+      .catch((error) => {
+        console.warn('DappStore:fetch', error);
+      });
+  }
+
+  _fetchRegistry () {
+    const { dappReg } = Contracts.get();
+
+    return dappReg
+      .count()
+      .then((_count) => {
+        const count = _count.toNumber();
+        const promises = [];
+
+        for (let index = 0; index < count; index++) {
+          promises.push(dappReg.at(index));
+        }
+
+        return Promise.all(promises);
+      })
+      .then((appsInfo) => {
+        const appIds = appsInfo.map(([appId, owner]) => {
+          return this._api.util.bytesToHex(appId);
+        });
+
+        return Promise
+          .all([
+            Promise.all(appIds.map((appId) => dappReg.getImage(appId))),
+            Promise.all(appIds.map((appId) => dappReg.getContent(appId))),
+            Promise.all(appIds.map((appId) => dappReg.getManifest(appId)))
+          ])
+          .then(([imageIds, contentIds, manifestIds]) => {
+            return appIds.map((appId, index) => {
+              const app = builtinApps.find((ba) => ba.id === appId) || {
+                id: appId,
+                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) => {
+            return app.manifestHash
+              ? this._fetchManifest(app.manifestHash)
+              : null;
+          }))
+          .then((manifests) => {
+            return apps.map((app, index) => {
+              const manifest = manifests[index];
+
+              if (manifest) {
+                app.manifestHash = null;
+                Object.keys(manifest)
+                  .filter((key) => key !== 'id')
+                  .forEach((key) => {
+                    app[key] = manifest[key];
+                  });
+              }
+
+              return app;
+            });
+          })
+          .then((apps) => {
+            return apps.filter((app) => {
+              return !app.manifestHash && app.id;
+            });
+          });
+      })
+      .catch((error) => {
+        console.warn('DappsStore:fetchRegistry', error);
+      });
+  }
+
+  _fetchManifest (manifestHash, count = 0) {
+    return fetch(`${this._getHost()}/api/content/${manifestHash}/`)
+      .then((response) => {
+        if (response.ok) {
+          return response.json();
+        }
+
+        if (count < 1) {
+          return this._fetchManifest(manifestHash, count + 1);
+        }
+
+        return null;
+      })
+      .catch(() => {
+        if (count < 1) {
+          return this._fetchManifest(manifestHash, count + 1);
+        }
+
+        return null;
+      });
+  }
+
+  _fetchLocal () {
+    return fetch(`${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');
+
+    if (stored) {
+      try {
+        this.hidden = JSON.parse(stored);
+      } catch (error) {
+        console.warn('DappsStore:readHiddenApps', error);
+      }
+    }
+  }
+
+  _writeHiddenApps () {
+    localStorage.setItem('hiddenApps', JSON.stringify(this.hidden));
+  }
+}
diff --git a/js/src/views/Dapps/hidden.js b/js/src/views/Dapps/hidden.js
deleted file mode 100644
index fa5458bac..000000000
--- a/js/src/views/Dapps/hidden.js
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity. If not, see <http://www.gnu.org/licenses/>.
-
-const defaultHidden = [];
-
-export function readHiddenApps () {
-  const stored = localStorage.getItem('hiddenApps');
-
-  if (stored) {
-    try {
-      return JSON.parse(stored);
-    } catch (error) {
-      console.warn('readHiddenApps', error);
-    }
-  }
-
-  return defaultHidden;
-}
-
-export function writeHiddenApps (hidden) {
-  localStorage.setItem('hiddenApps', JSON.stringify(hidden));
-}
diff --git a/js/src/views/Dapps/registry.js b/js/src/views/Dapps/registry.js
deleted file mode 100644
index 5502bd3ff..000000000
--- a/js/src/views/Dapps/registry.js
+++ /dev/null
@@ -1,151 +0,0 @@
-// Copyright 2015, 2016 Ethcore (UK) Ltd.
-// This file is part of Parity.
-
-// Parity is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity. If not, see <http://www.gnu.org/licenses/>.
-
-import BigNumber from 'bignumber.js';
-
-const builtinApps = [
-  {
-    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
-  }
-];
-
-// TODO: This is just since we are moving gavcoin to its own repo, for a proper network solution
-// we need to pull the network apps from the dapp registry. (Builtins & local apps unaffected)
-// TODO: Manifest needs to be pulled from the content as well, however since the content may or may
-// not be available locally (and refreshes work for index, and will give a 503), we are putting it
-// in here. This part needs to be cleaned up.
-const networkApps = [
-  {
-    id: '0xd798a48831b4ccdbc71de206a1d6a4aa73546c7b6f59c22a47452af414dc64d6',
-    name: 'GAVcoin',
-    description: 'Manage your GAVcoins, the hottest new property in crypto',
-    author: 'Gavin Wood',
-    version: '1.0.0'
-  }
-];
-
-function getHost (api) {
-  return process.env.NODE_ENV === 'production'
-    ? api.dappsUrl
-    : '';
-}
-
-export function fetchAvailable (api) {
-  return fetch(`${getHost(api)}/api/apps`)
-    .then((response) => {
-      return response.ok
-        ? response.json()
-        : [];
-    })
-    .catch((error) => {
-      console.warn('fetchAvailable', error);
-      return [];
-    })
-    .then((_localApps) => {
-      const localApps = _localApps
-        .filter((app) => !['ui'].includes(app.id))
-        .map((app) => {
-          app.type = 'local';
-          return app;
-        });
-
-      return api.parity
-        .registryAddress()
-        .then((registryAddress) => {
-          if (new BigNumber(registryAddress).eq(0)) {
-            return [];
-          }
-
-          const _builtinApps = builtinApps
-            .map((app) => {
-              app.type = 'builtin';
-              return app;
-            });
-
-          return networkApps
-            .map((app) => {
-              app.type = 'network';
-              return app;
-            })
-            .concat(_builtinApps);
-        })
-        .then((registryApps) => {
-          return registryApps
-            .concat(localApps)
-            .sort((a, b) => (a.name || '').localeCompare(b.name || ''));
-        });
-    })
-    .catch((error) => {
-      console.warn('fetchAvailable', error);
-    });
-}
-
-export function fetchManifest (api, app, contentHash) {
-  return fetch(`${getHost(api)}/${contentHash}/manifest.json`)
-    .then((response) => {
-      return response.ok
-        ? response.json()
-        : {};
-    })
-    .then((manifest) => {
-      Object.keys.forEach((key) => {
-        app[key] = manifest[key];
-      });
-
-      return app;
-    })
-    .catch((error) => {
-      console.warn('fetchManifest', error);
-    });
-}
diff --git a/js/src/views/Settings/Proxy/proxy.js b/js/src/views/Settings/Proxy/proxy.js
index db32d3461..69e415d1f 100644
--- a/js/src/views/Settings/Proxy/proxy.js
+++ b/js/src/views/Settings/Proxy/proxy.js
@@ -35,7 +35,7 @@ export default class Proxy extends Component {
         <ContainerTitle title='Proxy' />
         <div className={ layout.layout }>
           <div className={ layout.overview }>
-            <div>The proxy setup allows you to access Parity and all associated decentralized applications via memororable addresses.</div>
+            <div>The proxy setup allows you to access Parity and all associated decentralized applications via memorable addresses.</div>
           </div>
           <div className={ layout.details }>
             <div className={ styles.details }>
diff --git a/js/src/views/Settings/Views/defaults.js b/js/src/views/Settings/Views/defaults.js
index 3d1eb889f..819e3938d 100644
--- a/js/src/views/Settings/Views/defaults.js
+++ b/js/src/views/Settings/Views/defaults.js
@@ -49,7 +49,7 @@ const defaultViews = {
     label: 'Applications',
     route: '/apps',
     value: 'app',
-    description: 'Distributed applications that interact with the underlying network. Add applications, manage you application portfolio and interact with application from around the newtork.'
+    description: 'Distributed applications that interact with the underlying network. Add applications, manage you application portfolio and interact with application from around the network.'
   },
 
   contracts: {
diff --git a/js/src/views/Settings/Views/views.js b/js/src/views/Settings/Views/views.js
index 27dcc7ee4..a485876c8 100644
--- a/js/src/views/Settings/Views/views.js
+++ b/js/src/views/Settings/Views/views.js
@@ -40,7 +40,7 @@ class Views extends Component {
           <div className={ layout.overview }>
             <div>Manage the available application views, using only the parts of the application that is applicable to you.</div>
             <div>Are you an end-user? The defaults are setups for both beginner and advanced users alike.</div>
-            <div>Are you a developer? Add some features to manage contracts are interact with application develoyments.</div>
+            <div>Are you a developer? Add some features to manage contracts are interact with application deployments.</div>
             <div>Are you a miner or run a large-scale node? Add the features to give you all the information needed to watch the node operation.</div>
           </div>
           <div className={ layout.details }>
diff --git a/parity/cli/config.full.toml b/parity/cli/config.full.toml
index dcba8dbee..841cf5f24 100644
--- a/parity/cli/config.full.toml
+++ b/parity/cli/config.full.toml
@@ -12,7 +12,7 @@ unlock = ["0xdeadbeefcafe0000000000000000000000000000"]
 password = ["~/.safe/password.file"]
 keys_iterations = 10240
 
-[signer]
+[ui]
 force = false
 disable = false
 port = 8180
diff --git a/parity/cli/config.toml b/parity/cli/config.toml
index e6f01e1ae..c9bd563a8 100644
--- a/parity/cli/config.toml
+++ b/parity/cli/config.toml
@@ -8,7 +8,7 @@ chain = "./chain.json"
 unlock = ["0x1", "0x2", "0x3"]
 password = ["passwdfile path"]
 
-[signer]
+[ui]
 disable = true
 
 [network]
diff --git a/parity/cli/mod.rs b/parity/cli/mod.rs
index 12536e444..3ad6259b8 100644
--- a/parity/cli/mod.rs
+++ b/parity/cli/mod.rs
@@ -90,18 +90,18 @@ usage! {
 		flag_keys_iterations: u32 = 10240u32,
 			or |c: &Config| otry!(c.account).keys_iterations.clone(),
 
-		flag_force_signer: bool = false,
-			or |c: &Config| otry!(c.signer).force.clone(),
-		flag_no_signer: bool = false,
-			or |c: &Config| otry!(c.signer).disable.clone(),
-		flag_signer_port: u16 = 8180u16,
-			or |c: &Config| otry!(c.signer).port.clone(),
-		flag_signer_interface: String = "local",
-			or |c: &Config| otry!(c.signer).interface.clone(),
-		flag_signer_path: String = "$HOME/.parity/signer",
-			or |c: &Config| otry!(c.signer).path.clone(),
+		flag_force_ui: bool = false,
+			or |c: &Config| otry!(c.ui).force.clone(),
+		flag_no_ui: bool = false,
+			or |c: &Config| otry!(c.ui).disable.clone(),
+		flag_ui_port: u16 = 8180u16,
+			or |c: &Config| otry!(c.ui).port.clone(),
+		flag_ui_interface: String = "local",
+			or |c: &Config| otry!(c.ui).interface.clone(),
+		flag_ui_path: String = "$HOME/.parity/signer",
+			or |c: &Config| otry!(c.ui).path.clone(),
 		// NOTE [todr] For security reasons don't put this to config files
-		flag_signer_no_validation: bool = false, or |_| None,
+		flag_ui_no_validation: bool = false, or |_| None,
 
 		// -- Networking Options
 		flag_warp: bool = false,
@@ -271,7 +271,7 @@ usage! {
 struct Config {
 	parity: Option<Operating>,
 	account: Option<Account>,
-	signer: Option<Signer>,
+	ui: Option<Ui>,
 	network: Option<Network>,
 	rpc: Option<Rpc>,
 	ipc: Option<Ipc>,
@@ -302,7 +302,7 @@ struct Account {
 }
 
 #[derive(Default, Debug, PartialEq, RustcDecodable)]
-struct Signer {
+struct Ui {
 	force: Option<bool>,
 	disable: Option<bool>,
 	port: Option<u16>,
@@ -418,7 +418,7 @@ struct Misc {
 mod tests {
 	use super::{
 		Args, ArgsError,
-		Config, Operating, Account, Signer, Network, Rpc, Ipc, Dapps, Mining, Footprint, Snapshots, VM, Misc
+		Config, Operating, Account, Ui, Network, Rpc, Ipc, Dapps, Mining, Footprint, Snapshots, VM, Misc
 	};
 	use toml;
 
@@ -511,12 +511,12 @@ mod tests {
 			flag_password: vec!["~/.safe/password.file".into()],
 			flag_keys_iterations: 10240u32,
 
-			flag_force_signer: false,
-			flag_no_signer: false,
-			flag_signer_port: 8180u16,
-			flag_signer_interface: "127.0.0.1".into(),
-			flag_signer_path: "$HOME/.parity/signer".into(),
-			flag_signer_no_validation: false,
+			flag_force_ui: false,
+			flag_no_ui: false,
+			flag_ui_port: 8180u16,
+			flag_ui_interface: "127.0.0.1".into(),
+			flag_ui_path: "$HOME/.parity/signer".into(),
+			flag_ui_no_validation: false,
 
 			// -- Networking Options
 			flag_warp: true,
@@ -675,7 +675,7 @@ mod tests {
 				password: Some(vec!["passwdfile path".into()]),
 				keys_iterations: None,
 			}),
-			signer: Some(Signer {
+			ui: Some(Ui {
 				force: None,
 				disable: Some(true),
 				port: None,
diff --git a/parity/cli/usage.txt b/parity/cli/usage.txt
index 8f453d874..ba27c4902 100644
--- a/parity/cli/usage.txt
+++ b/parity/cli/usage.txt
@@ -43,28 +43,29 @@ Operating Options:
 Account Options:
   --unlock ACCOUNTS        Unlock ACCOUNTS for the duration of the execution.
                            ACCOUNTS is a comma-delimited list of addresses.
-                           Implies --no-signer. (default: {flag_unlock:?})
+                           Implies --no-ui. (default: {flag_unlock:?})
   --password FILE          Provide a file containing a password for unlocking
                            an account. Leading and trailing whitespace is trimmed.
                            (default: {flag_password:?})
   --keys-iterations NUM    Specify the number of iterations to use when
                            deriving key from the password (bigger is more
                            secure) (default: {flag_keys_iterations}).
-  --force-signer           Enable Trusted Signer WebSocket endpoint used by
-                           Signer UIs, even when --unlock is in use.
-                           (default: ${flag_force_signer})
-  --no-signer              Disable Trusted Signer WebSocket endpoint used by
-                           Signer UIs. (default: ${flag_no_signer})
-  --signer-port PORT       Specify the port of Trusted Signer server
-                           (default: {flag_signer_port}).
-  --signer-interface IP    Specify the hostname portion of the Trusted Signer
+
+UI Options:
+  --force-ui               Enable Trusted UI WebSocket endpoint,
+                           even when --unlock is in use. (default: ${flag_force_ui})
+  --no-ui                  Disable Trusted UI WebSocket endpoint.
+                           (default: ${flag_no_ui})
+  --ui-port PORT           Specify the port of Trusted UI server
+                           (default: {flag_ui_port}).
+  --ui-interface IP        Specify the hostname portion of the Trusted UI
                            server, IP should be an interface's IP address,
-                           or local (default: {flag_signer_interface}).
-  --signer-path PATH       Specify directory where Signer UIs tokens should
-                           be stored. (default: {flag_signer_path})
-  --signer-no-validation   Disable Origin and Host headers validation for
-                           Trusted Signer. WARNING: INSECURE. Used only for
-                           development. (default: {flag_signer_no_validation})
+                           or local (default: {flag_ui_interface}).
+  --ui-path PATH           Specify directory where Trusted UIs tokens should
+                           be stored. (default: {flag_ui_path})
+  --ui-no-validation       Disable Origin and Host headers validation for
+                           Trusted UI. WARNING: INSECURE. Used only for
+                           development. (default: {flag_ui_no_validation})
 
 Networking Options:
   --warp                   Enable syncing from the snapshot over the network. (default: {flag_warp})
diff --git a/parity/configuration.rs b/parity/configuration.rs
index 0617e76f3..aff868ce2 100644
--- a/parity/configuration.rs
+++ b/parity/configuration.rs
@@ -95,7 +95,7 @@ impl Configuration {
 		let wal = !self.args.flag_fast_and_loose;
 		let warp_sync = self.args.flag_warp;
 		let geth_compatibility = self.args.flag_geth;
-		let signer_port = self.signer_port();
+		let ui_port = self.ui_port();
 		let dapps_conf = self.dapps_config();
 		let signer_conf = self.signer_config();
 		let format = try!(self.format());
@@ -243,7 +243,7 @@ impl Configuration {
 				vm_type: vm_type,
 				warp_sync: warp_sync,
 				geth_compatibility: geth_compatibility,
-				signer_port: signer_port,
+				ui_port: ui_port,
 				net_settings: self.network_settings(),
 				dapps_conf: dapps_conf,
 				signer_conf: signer_conf,
@@ -396,11 +396,11 @@ impl Configuration {
 
 	fn signer_config(&self) -> SignerConfiguration {
 		SignerConfiguration {
-			enabled: self.signer_enabled(),
-			port: self.args.flag_signer_port,
-			interface: self.signer_interface(),
+			enabled: self.ui_enabled(),
+			port: self.args.flag_ui_port,
+			interface: self.ui_interface(),
 			signer_path: self.directories().signer,
-			skip_origin_validation: self.args.flag_signer_no_validation,
+			skip_origin_validation: self.args.flag_ui_no_validation,
 		}
 	}
 
@@ -595,7 +595,7 @@ impl Configuration {
 		);
 
 		let dapps_path = replace_home(&self.args.flag_dapps_path);
-		let signer_path = replace_home(&self.args.flag_signer_path);
+		let ui_path = replace_home(&self.args.flag_ui_path);
 
 		if self.args.flag_geth  && !cfg!(windows) {
 			let geth_root  = if self.args.flag_testnet { path::ethereum::test() } else {  path::ethereum::default() };
@@ -616,7 +616,7 @@ impl Configuration {
 			keys: keys_path,
 			db: db_path,
 			dapps: dapps_path,
-			signer: signer_path,
+			signer: ui_path,
 		}
 	}
 
@@ -628,16 +628,16 @@ impl Configuration {
 		}
 	}
 
-	fn signer_port(&self) -> Option<u16> {
-		if !self.signer_enabled() {
+	fn ui_port(&self) -> Option<u16> {
+		if !self.ui_enabled() {
 			None
 		} else {
-			Some(self.args.flag_signer_port)
+			Some(self.args.flag_ui_port)
 		}
 	}
 
-	fn signer_interface(&self) -> String {
-		match self.args.flag_signer_interface.as_str() {
+	fn ui_interface(&self) -> String {
+		match self.args.flag_ui_interface.as_str() {
 			"local" => "127.0.0.1",
 			x => x,
 		}.into()
@@ -662,16 +662,16 @@ impl Configuration {
 		!self.args.flag_dapps_off && !self.args.flag_no_dapps && cfg!(feature = "dapps")
 	}
 
-	fn signer_enabled(&self) -> bool {
-		if self.args.flag_force_signer {
+	fn ui_enabled(&self) -> bool {
+		if self.args.flag_force_ui {
 			return true;
 		}
 
-		let signer_disabled = self.args.flag_unlock.is_some() ||
+		let ui_disabled = self.args.flag_unlock.is_some() ||
 			self.args.flag_geth ||
-			self.args.flag_no_signer;
+			self.args.flag_no_ui;
 
-		!signer_disabled
+		!ui_disabled
 	}
 }
 
@@ -853,7 +853,7 @@ mod tests {
 			wal: true,
 			vm_type: Default::default(),
 			geth_compatibility: false,
-			signer_port: Some(8180),
+			ui_port: Some(8180),
 			net_settings: Default::default(),
 			dapps_conf: Default::default(),
 			signer_conf: Default::default(),
@@ -976,11 +976,11 @@ mod tests {
 
 		// when
 		let conf0 = parse(&["parity", "--geth"]);
-		let conf1 = parse(&["parity", "--geth", "--force-signer"]);
+		let conf1 = parse(&["parity", "--geth", "--force-ui"]);
 
 		// then
-		assert_eq!(conf0.signer_enabled(), false);
-		assert_eq!(conf1.signer_enabled(), true);
+		assert_eq!(conf0.ui_enabled(), false);
+		assert_eq!(conf1.ui_enabled(), true);
 	}
 
 	#[test]
@@ -991,7 +991,7 @@ mod tests {
 		let conf0 = parse(&["parity", "--unlock", "0x0"]);
 
 		// then
-		assert_eq!(conf0.signer_enabled(), false);
+		assert_eq!(conf0.ui_enabled(), false);
 	}
 
 	#[test]
@@ -999,10 +999,10 @@ mod tests {
 		// given
 
 		// when
-		let conf0 = parse(&["parity", "--signer-path", "signer"]);
-		let conf1 = parse(&["parity", "--signer-path", "signer", "--signer-no-validation"]);
-		let conf2 = parse(&["parity", "--signer-path", "signer", "--signer-port", "3123"]);
-		let conf3 = parse(&["parity", "--signer-path", "signer", "--signer-interface", "test"]);
+		let conf0 = parse(&["parity", "--ui-path", "signer"]);
+		let conf1 = parse(&["parity", "--ui-path", "signer", "--ui-no-validation"]);
+		let conf2 = parse(&["parity", "--ui-path", "signer", "--ui-port", "3123"]);
+		let conf3 = parse(&["parity", "--ui-path", "signer", "--ui-interface", "test"]);
 
 		// then
 		assert_eq!(conf0.signer_config(), SignerConfiguration {
diff --git a/parity/run.rs b/parity/run.rs
index d94eafc55..2af0d35ca 100644
--- a/parity/run.rs
+++ b/parity/run.rs
@@ -82,7 +82,7 @@ pub struct RunCmd {
 	pub wal: bool,
 	pub vm_type: VMType,
 	pub geth_compatibility: bool,
-	pub signer_port: Option<u16>,
+	pub ui_port: Option<u16>,
 	pub net_settings: NetworkSettings,
 	pub dapps_conf: dapps::Configuration,
 	pub signer_conf: signer::Configuration,
@@ -262,7 +262,7 @@ pub fn execute(cmd: RunCmd, logger: Arc<RotatingLogger>) -> Result<(), String> {
 	let deps_for_rpc_apis = Arc::new(rpc_apis::Dependencies {
 		signer_service: Arc::new(rpc_apis::SignerService::new(move || {
 			signer::generate_new_token(signer_path.clone()).map_err(|e| format!("{:?}", e))
-		}, cmd.signer_port)),
+		}, cmd.ui_port)),
 		snapshot: snapshot_service.clone(),
 		client: client.clone(),
 		sync: sync_provider.clone(),
diff --git a/parity/signer.rs b/parity/signer.rs
index b3047c739..a26cc431a 100644
--- a/parity/signer.rs
+++ b/parity/signer.rs
@@ -109,7 +109,7 @@ fn do_start(conf: Configuration, deps: Dependencies) -> Result<SignerServer, Str
 
 	match start_result {
 		Err(signer::ServerError::IoError(err)) => match err.kind() {
-			io::ErrorKind::AddrInUse => Err(format!("Trusted Signer address {} is already in use, make sure that another instance of an Ethereum client is not running or change the address using the --signer-port and --signer-interface options.", addr)),
+			io::ErrorKind::AddrInUse => Err(format!("Trusted UI address {} is already in use, make sure that another instance of an Ethereum client is not running or change the address using the --ui-port and --ui-interface options.", addr)),
 			_ => Err(format!("Trusted Signer io error: {}", err)),
 		},
 		Err(e) => Err(format!("Trusted Signer Error: {:?}", e)),