cmd, dashboard: dashboard using React, Material-UI, Recharts (#15393)

* cmd, dashboard: dashboard using React, Material-UI, Recharts

* cmd, dashboard, metrics: initial proof of concept dashboard

* dashboard: delete blobs

* dashboard: gofmt -s -w .

* dashboard: minor text and code polishes

11 files changed, 775 insertions, 0 deletions

diff --git a/dashboard/assets/.eslintrc b/dashboard/assets/.eslintrc
new file mode 100644
index 000000000..04ae15d01
--- /dev/null
+++ b/dashboard/assets/.eslintrc
@@ -0,0 +1,52 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// React syntax style mostly according to https://github.com/airbnb/javascript/tree/master/react
+{
+  "plugins": [
+    "react"
+  ],
+  "parser": "babel-eslint",
+  "parserOptions": {
+    "ecmaFeatures": {
+      "jsx": true,
+      "modules": true
+    }
+  },
+  "rules": {
+    "react/prefer-es6-class": 2,
+    "react/prefer-stateless-function": 2,
+    "react/jsx-pascal-case": 2,
+    "react/jsx-closing-bracket-location": [1, {"selfClosing": "tag-aligned", "nonEmpty": "tag-aligned"}],
+    "react/jsx-closing-tag-location": 1,
+    "jsx-quotes": ["error", "prefer-double"],
+    "no-multi-spaces": "error",
+    "react/jsx-tag-spacing": 2,
+    "react/jsx-curly-spacing": [2, {"when": "never", "children": true}],
+    "react/jsx-boolean-value": 2,
+    "react/no-string-refs": 2,
+    "react/jsx-wrap-multilines": 2,
+    "react/self-closing-comp": 2,
+    "react/jsx-no-bind": 2,
+    "react/require-render-return": 2,
+    "react/no-is-mounted": 2,
+    "key-spacing": ["error", {"align": {
+      "beforeColon": false,
+      "afterColon": true,
+      "on": "value"
+    }}]
+  }
+}
diff --git a/dashboard/assets/components/Common.jsx b/dashboard/assets/components/Common.jsx
new file mode 100644
index 000000000..5129939c5
--- /dev/null
+++ b/dashboard/assets/components/Common.jsx
@@ -0,0 +1,52 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// isNullOrUndefined returns true if the given variable is null or undefined.
+export const isNullOrUndefined = variable => variable === null || typeof variable === 'undefined';
+
+export const LIMIT = {
+    memory:  200, // Maximum number of memory data samples.
+    traffic: 200, // Maximum number of traffic data samples.
+    log:     200, // Maximum number of logs.
+};
+// The sidebar menu and the main content are rendered based on these elements.
+export const TAGS = (() => {
+    const T = {
+        home:         { title: "Home", },
+        chain:        { title: "Chain", },
+        transactions: { title: "Transactions", },
+        network:      { title: "Network", },
+        system:       { title: "System", },
+        logs:         { title: "Logs", },
+    };
+    // Using the key is circumstantial in some cases, so it is better to insert it also as a value.
+    // This way the mistyping is prevented.
+    for(let key in T) {
+        T[key]['id'] = key;
+    }
+    return T;
+})();
+
+export const DATA_KEYS = (() => {
+    const DK = {};
+    ["memory", "traffic", "logs"].map(key => {
+       DK[key] = key;
+    });
+    return DK;
+})();
+
+// Temporary - taken from Material-UI
+export const DRAWER_WIDTH = 240;
diff --git a/dashboard/assets/components/Dashboard.jsx b/dashboard/assets/components/Dashboard.jsx
new file mode 100644
index 000000000..740acf959
--- /dev/null
+++ b/dashboard/assets/components/Dashboard.jsx
@@ -0,0 +1,169 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+import React, {Component} from 'react';
+import PropTypes from 'prop-types';
+import {withStyles} from 'material-ui/styles';
+
+import SideBar from './SideBar.jsx';
+import Header from './Header.jsx';
+import Main from "./Main.jsx";
+import {isNullOrUndefined, LIMIT, TAGS, DATA_KEYS,} from "./Common.jsx";
+
+// Styles for the Dashboard component.
+const styles = theme => ({
+    appFrame: {
+        position:   'relative',
+        display:    'flex',
+        width:      '100%',
+        height:     '100%',
+        background: theme.palette.background.default,
+    },
+});
+
+// Dashboard is the main component, which renders the whole page, makes connection with the server and listens for messages.
+// When there is an incoming message, updates the page's content correspondingly.
+class Dashboard extends Component {
+    constructor(props) {
+        super(props);
+        this.state = {
+            active:       TAGS.home.id, // active menu
+            sideBar:      true, // true if the sidebar is opened
+            memory:       [],
+            traffic:      [],
+            logs:         [],
+            shouldUpdate: {},
+        };
+    }
+
+    // componentDidMount initiates the establishment of the first websocket connection after the component is rendered.
+    componentDidMount() {
+        this.reconnect();
+    }
+
+    // reconnect establishes a websocket connection with the server, listens for incoming messages
+    // and tries to reconnect on connection loss.
+    reconnect = () => {
+        const server = new WebSocket(((window.location.protocol === "https:") ? "wss://" : "ws://") + window.location.host + "/api");
+
+        server.onmessage = event => {
+            const msg = JSON.parse(event.data);
+            if (isNullOrUndefined(msg)) {
+                return;
+            }
+            this.update(msg);
+        };
+
+        server.onclose = () => {
+            setTimeout(this.reconnect, 3000);
+        };
+    };
+
+    // update analyzes the incoming message, and updates the charts' content correspondingly.
+    update = msg => {
+        console.log(msg);
+        this.setState(prevState => {
+            let newState = [];
+            newState.shouldUpdate = {};
+            const insert = (key, values, limit) => {
+                newState[key] = [...prevState[key], ...values];
+                while (newState[key].length > limit) {
+                    newState[key].shift();
+                }
+                newState.shouldUpdate[key] = true;
+            };
+            // (Re)initialize the state with the past data.
+            if (!isNullOrUndefined(msg.history)) {
+                const memory = DATA_KEYS.memory;
+                const traffic = DATA_KEYS.traffic;
+                newState[memory] = [];
+                newState[traffic] = [];
+                if (!isNullOrUndefined(msg.history.memorySamples)) {
+                    newState[memory] = msg.history.memorySamples.map(elem => isNullOrUndefined(elem.value) ? 0 : elem.value);
+                    while (newState[memory].length > LIMIT.memory) {
+                        newState[memory].shift();
+                    }
+                    newState.shouldUpdate[memory] = true;
+                }
+                if (!isNullOrUndefined(msg.history.trafficSamples)) {
+                    newState[traffic] = msg.history.trafficSamples.map(elem => isNullOrUndefined(elem.value) ? 0 : elem.value);
+                    while (newState[traffic].length > LIMIT.traffic) {
+                        newState[traffic].shift();
+                    }
+                    newState.shouldUpdate[traffic] = true;
+                }
+            }
+            // Insert the new data samples.
+            if (!isNullOrUndefined(msg.memory)) {
+                insert(DATA_KEYS.memory, [isNullOrUndefined(msg.memory.value) ? 0 : msg.memory.value], LIMIT.memory);
+            }
+            if (!isNullOrUndefined(msg.traffic)) {
+                insert(DATA_KEYS.traffic, [isNullOrUndefined(msg.traffic.value) ? 0 : msg.traffic.value], LIMIT.traffic);
+            }
+            if (!isNullOrUndefined(msg.log)) {
+                insert(DATA_KEYS.logs, [msg.log], LIMIT.log);
+            }
+
+            return newState;
+        });
+    };
+
+    // The change of the active label on the SideBar component will trigger a new render in the Main component.
+    changeContent = active => {
+        this.setState(prevState => prevState.active !== active ? {active: active} : {});
+    };
+
+    openSideBar = () => {
+        this.setState({sideBar: true});
+    };
+
+    closeSideBar = () => {
+        this.setState({sideBar: false});
+    };
+
+    render() {
+        // The classes property is injected by withStyles().
+        const {classes} = this.props;
+
+        return (
+            <div className={classes.appFrame}>
+                <Header
+                    opened={this.state.sideBar}
+                    open={this.openSideBar}
+                />
+                <SideBar
+                    opened={this.state.sideBar}
+                    close={this.closeSideBar}
+                    changeContent={this.changeContent}
+                />
+                <Main
+                    opened={this.state.sideBar}
+                    active={this.state.active}
+                    memory={this.state.memory}
+                    traffic={this.state.traffic}
+                    logs={this.state.logs}
+                    shouldUpdate={this.state.shouldUpdate}
+                />
+            </div>
+        );
+    }
+}
+
+Dashboard.propTypes = {
+    classes: PropTypes.object.isRequired,
+};
+
+export default withStyles(styles)(Dashboard);
diff --git a/dashboard/assets/components/Header.jsx b/dashboard/assets/components/Header.jsx
new file mode 100644
index 000000000..7cf57c9c0
--- /dev/null
+++ b/dashboard/assets/components/Header.jsx
@@ -0,0 +1,87 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+import React, {Component} from 'react';
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+import {withStyles} from 'material-ui/styles';
+import AppBar from 'material-ui/AppBar';
+import Toolbar from 'material-ui/Toolbar';
+import Typography from 'material-ui/Typography';
+import IconButton from 'material-ui/IconButton';
+import MenuIcon from 'material-ui-icons/Menu';
+
+import {DRAWER_WIDTH} from './Common.jsx';
+
+// Styles for the Header component.
+const styles = theme => ({
+    appBar: {
+        position:   'absolute',
+        transition: theme.transitions.create(['margin', 'width'], {
+            easing:   theme.transitions.easing.sharp,
+            duration: theme.transitions.duration.leavingScreen,
+        }),
+    },
+    appBarShift: {
+        marginLeft: DRAWER_WIDTH,
+        width:      `calc(100% - ${DRAWER_WIDTH}px)`,
+        transition: theme.transitions.create(['margin', 'width'], {
+            easing:   theme.transitions.easing.easeOut,
+            duration: theme.transitions.duration.enteringScreen,
+        }),
+    },
+    menuButton: {
+        marginLeft:  12,
+        marginRight: 20,
+    },
+    hide: {
+        display: 'none',
+    },
+});
+
+// Header renders a header, which contains a sidebar opener icon when that is closed.
+class Header extends Component {
+    render() {
+        // The classes property is injected by withStyles().
+        const {classes} = this.props;
+
+        return (
+            <AppBar className={classNames(classes.appBar, this.props.opened && classes.appBarShift)}>
+                <Toolbar disableGutters={!this.props.opened}>
+                    <IconButton
+                        color="contrast"
+                        aria-label="open drawer"
+                        onClick={this.props.open}
+                        className={classNames(classes.menuButton, this.props.opened && classes.hide)}
+                    >
+                        <MenuIcon />
+                    </IconButton>
+                    <Typography type="title" color="inherit" noWrap>
+                        Go Ethereum Dashboard
+                    </Typography>
+                </Toolbar>
+            </AppBar>
+        );
+    }
+}
+
+Header.propTypes = {
+    classes: PropTypes.object.isRequired,
+    opened:  PropTypes.bool.isRequired,
+    open:    PropTypes.func.isRequired,
+};
+
+export default withStyles(styles)(Header);
diff --git a/dashboard/assets/components/Home.jsx b/dashboard/assets/components/Home.jsx
new file mode 100644
index 000000000..f67bac555
--- /dev/null
+++ b/dashboard/assets/components/Home.jsx
@@ -0,0 +1,89 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+import React, {Component} from 'react';
+import PropTypes from 'prop-types';
+import Grid from 'material-ui/Grid';
+import {LineChart, AreaChart, Area, YAxis, CartesianGrid, Line, ResponsiveContainer} from 'recharts';
+import {withTheme} from 'material-ui/styles';
+
+import {isNullOrUndefined, DATA_KEYS} from "./Common.jsx";
+
+// ChartGrid renders a grid container for responsive charts.
+// The children are Recharts components extended with the Material-UI's xs property.
+class ChartGrid extends Component {
+    render() {
+        return (
+            <Grid container spacing={this.props.spacing}>
+                {
+                    React.Children.map(this.props.children, child => (
+                        <Grid item xs={child.props.xs}>
+                            <ResponsiveContainer width="100%" height={child.props.height}>
+                                {React.cloneElement(child, {data: child.props.values.map(value => ({value: value}))})}
+                            </ResponsiveContainer>
+                        </Grid>
+                    ))
+                }
+            </Grid>
+        );
+    }
+}
+
+ChartGrid.propTypes = {
+    spacing: PropTypes.number.isRequired,
+};
+
+// Home renders the home component.
+class Home extends Component {
+    shouldComponentUpdate(nextProps) {
+        return !isNullOrUndefined(nextProps.shouldUpdate[DATA_KEYS.memory]) ||
+            !isNullOrUndefined(nextProps.shouldUpdate[DATA_KEYS.traffic]);
+    }
+
+    render() {
+        const {theme} = this.props;
+        const memoryColor = theme.palette.primary[300];
+        const trafficColor = theme.palette.secondary[300];
+
+        return (
+            <ChartGrid spacing={24}>
+                <AreaChart xs={6} height={300} values={this.props.memory}>
+                    <YAxis />
+                    <Area type="monotone" dataKey="value" stroke={memoryColor} fill={memoryColor} />
+                </AreaChart>
+                <LineChart xs={6} height={300} values={this.props.traffic}>
+                    <Line type="monotone" dataKey="value" stroke={trafficColor} dot={false} />
+                </LineChart>
+                <LineChart xs={6} height={300} values={this.props.memory}>
+                    <YAxis />
+                    <CartesianGrid stroke="#eee" strokeDasharray="5 5" />
+                    <Line type="monotone" dataKey="value" stroke={memoryColor} dot={false} />
+                </LineChart>
+                <AreaChart xs={6} height={300} values={this.props.traffic}>
+                    <CartesianGrid stroke="#eee" strokeDasharray="5 5" vertical={false} />
+                    <Area type="monotone" dataKey="value" stroke={trafficColor} fill={trafficColor} />
+                </AreaChart>
+            </ChartGrid>
+        );
+    }
+}
+
+Home.propTypes = {
+    theme:        PropTypes.object.isRequired,
+    shouldUpdate: PropTypes.object.isRequired,
+};
+
+export default withTheme()(Home);
diff --git a/dashboard/assets/components/Main.jsx b/dashboard/assets/components/Main.jsx
new file mode 100644
index 000000000..b119d1ffd
--- /dev/null
+++ b/dashboard/assets/components/Main.jsx
@@ -0,0 +1,109 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+import React, {Component} from 'react';
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+import {withStyles} from 'material-ui/styles';
+
+import {TAGS, DRAWER_WIDTH} from "./Common.jsx";
+import Home from './Home.jsx';
+
+// ContentSwitch chooses and renders the proper page content.
+class ContentSwitch extends Component {
+    render() {
+        switch(this.props.active) {
+            case TAGS.home.id:
+                return <Home memory={this.props.memory} traffic={this.props.traffic} shouldUpdate={this.props.shouldUpdate} />;
+            case TAGS.chain.id:
+                return null;
+            case TAGS.transactions.id:
+                return null;
+            case TAGS.network.id:
+                // Only for testing.
+                return null;
+            case TAGS.system.id:
+                return null;
+            case TAGS.logs.id:
+                return <div>{this.props.logs.map((log, index) => <div key={index}>{log}</div>)}</div>;
+        }
+        return null;
+    }
+}
+
+ContentSwitch.propTypes = {
+    active:       PropTypes.string.isRequired,
+    shouldUpdate: PropTypes.object.isRequired,
+};
+
+// styles contains the styles for the Main component.
+const styles = theme => ({
+    content: {
+        width:           '100%',
+        marginLeft:      -DRAWER_WIDTH,
+        flexGrow:        1,
+        backgroundColor: theme.palette.background.default,
+        padding:         theme.spacing.unit * 3,
+        transition:      theme.transitions.create('margin', {
+            easing:   theme.transitions.easing.sharp,
+            duration: theme.transitions.duration.leavingScreen,
+        }),
+        marginTop:                    56,
+        overflow:                     'auto',
+        [theme.breakpoints.up('sm')]: {
+            content: {
+                height:    'calc(100% - 64px)',
+                marginTop: 64,
+            },
+        },
+    },
+    contentShift: {
+        marginLeft: 0,
+        transition: theme.transitions.create('margin', {
+            easing:   theme.transitions.easing.easeOut,
+            duration: theme.transitions.duration.enteringScreen,
+        }),
+    },
+});
+
+// Main renders a component for the page content.
+class Main extends Component {
+    render() {
+        // The classes property is injected by withStyles().
+        const {classes} = this.props;
+
+        return (
+            <main className={classNames(classes.content, this.props.opened && classes.contentShift)}>
+                <ContentSwitch
+                    active={this.props.active}
+                    memory={this.props.memory}
+                    traffic={this.props.traffic}
+                    logs={this.props.logs}
+                    shouldUpdate={this.props.shouldUpdate}
+                />
+            </main>
+        );
+    }
+}
+
+Main.propTypes = {
+    classes:      PropTypes.object.isRequired,
+    opened:       PropTypes.bool.isRequired,
+    active:       PropTypes.string.isRequired,
+    shouldUpdate: PropTypes.object.isRequired,
+};
+
+export default withStyles(styles)(Main);
diff --git a/dashboard/assets/components/SideBar.jsx b/dashboard/assets/components/SideBar.jsx
new file mode 100644
index 000000000..ef077f1e0
--- /dev/null
+++ b/dashboard/assets/components/SideBar.jsx
@@ -0,0 +1,106 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+import React, {Component} from 'react';
+import PropTypes from 'prop-types';
+import {withStyles} from 'material-ui/styles';
+import Drawer from 'material-ui/Drawer';
+import {IconButton} from "material-ui";
+import List, {ListItem, ListItemText} from 'material-ui/List';
+import ChevronLeftIcon from 'material-ui-icons/ChevronLeft';
+
+import {TAGS, DRAWER_WIDTH} from './Common.jsx';
+
+// Styles for the SideBar component.
+const styles = theme => ({
+    drawerPaper: {
+        position: 'relative',
+        height:   '100%',
+        width:    DRAWER_WIDTH,
+    },
+    drawerHeader: {
+        display:            'flex',
+        alignItems:         'center',
+        justifyContent:     'flex-end',
+        padding:            '0 8px',
+        ...theme.mixins.toolbar,
+        transitionDuration: {
+            enter: theme.transitions.duration.enteringScreen,
+            exit:  theme.transitions.duration.leavingScreen,
+        }
+    },
+});
+
+// SideBar renders a sidebar component.
+class SideBar extends Component {
+    constructor(props) {
+        super(props);
+
+        // clickOn contains onClick event functions for the menu items.
+        // Instantiate only once, and reuse the existing functions to prevent the creation of
+        // new function instances every time the render method is triggered.
+        this.clickOn = {};
+        for(let key in TAGS) {
+            const id = TAGS[key].id;
+            this.clickOn[id] = event => {
+                event.preventDefault();
+                console.log(event.target.key);
+                this.props.changeContent(id);
+            };
+        }
+    }
+
+    render() {
+        // The classes property is injected by withStyles().
+        const {classes} = this.props;
+
+        return (
+            <Drawer
+                type="persistent"
+                classes={{paper: classes.drawerPaper,}}
+                open={this.props.opened}
+            >
+                <div>
+                    <div className={classes.drawerHeader}>
+                        <IconButton onClick={this.props.close}>
+                            <ChevronLeftIcon />
+                        </IconButton>
+                    </div>
+                    <List>
+                        {
+                            Object.values(TAGS).map(tag => {
+                                return (
+                                    <ListItem button key={tag.id} onClick={this.clickOn[tag.id]}>
+                                        <ListItemText primary={tag.title} />
+                                    </ListItem>
+                                );
+                            })
+                        }
+                    </List>
+                </div>
+            </Drawer>
+        );
+    }
+}
+
+SideBar.propTypes = {
+    classes:       PropTypes.object.isRequired,
+    opened:        PropTypes.bool.isRequired,
+    close:         PropTypes.func.isRequired,
+    changeContent: PropTypes.func.isRequired,
+};
+
+export default withStyles(styles)(SideBar);
diff --git a/dashboard/assets/index.jsx b/dashboard/assets/index.jsx
new file mode 100644
index 000000000..1e5fdc892
--- /dev/null
+++ b/dashboard/assets/index.jsx
@@ -0,0 +1,36 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+import React from 'react';
+import {hydrate} from 'react-dom';
+import {createMuiTheme, MuiThemeProvider} from 'material-ui/styles';
+
+import Dashboard from './components/Dashboard.jsx';
+
+// Theme for the dashboard.
+const theme = createMuiTheme({
+    palette: {
+        type: 'dark',
+    },
+});
+
+// Renders the whole dashboard.
+hydrate(
+    <MuiThemeProvider theme={theme}>
+        <Dashboard />
+    </MuiThemeProvider>,
+    document.getElementById('dashboard')
+);
diff --git a/dashboard/assets/package.json b/dashboard/assets/package.json
new file mode 100644
index 000000000..53376e5c8
--- /dev/null
+++ b/dashboard/assets/package.json
@@ -0,0 +1,22 @@
+{
+  "dependencies": {
+    "babel-core": "^6.26.0",
+    "babel-eslint": "^8.0.1",
+    "babel-loader": "^7.1.2",
+    "babel-preset-env": "^1.6.1",
+    "babel-preset-react": "^6.24.1",
+    "babel-preset-stage-0": "^6.24.1",
+    "classnames": "^2.2.5",
+    "eslint": "^4.5.0",
+    "eslint-plugin-react": "^7.4.0",
+    "material-ui": "^1.0.0-beta.18",
+    "material-ui-icons": "^1.0.0-beta.17",
+    "path": "^0.12.7",
+    "prop-types": "^15.6.0",
+    "recharts": "^1.0.0-beta.0",
+    "react": "^16.0.0",
+    "react-dom": "^16.0.0",
+    "url": "^0.11.0",
+    "webpack": "^3.5.5"
+  }
+}
diff --git a/dashboard/assets/public/dashboard.html b/dashboard/assets/public/dashboard.html
new file mode 100644
index 000000000..e064a2b51
--- /dev/null
+++ b/dashboard/assets/public/dashboard.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en" style="height: 100%">
+    <head>
+        <meta charset="UTF-8">
+        <meta http-equiv="X-UA-Compatible" content="IE=edge">
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+
+        <title>Go Ethereum Dashboard</title>
+        <link rel="shortcut icon" type="image/ico" href="https://ethereum.org/favicon.ico"/>
+
+        <!-- TODO (kurkomisi): Return to the external libraries to speed up the bundling during development -->
+    </head>
+    <body style="height: 100%; margin: 0">
+        <div id="dashboard" style="height: 100%"></div>
+        <script src="bundle.js"></script>
+    </body>
+</html>
diff --git a/dashboard/assets/webpack.config.js b/dashboard/assets/webpack.config.js
new file mode 100644
index 000000000..13f8c3fbc
--- /dev/null
+++ b/dashboard/assets/webpack.config.js
@@ -0,0 +1,36 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+const path = require('path');
+
+module.exports = {
+    entry:  './index.jsx',
+    output: {
+        path:     path.resolve(__dirname, 'public'),
+        filename: 'bundle.js',
+    },
+    module: {
+        loaders: [
+            {
+                test: /\.jsx$/, // regexp for JSX files
+                loader: 'babel-loader', // The babel configuration is in the package.json.
+                query: {
+                    presets: ['env', 'react', 'stage-0']
+                }
+            },
+        ],
+    },
+};