Add website to mono repo, update packages to align with existing sub-packages, use new subscribeAsync 0x.js method

1 files changed, 843 insertions, 0 deletions

diff --git a/packages/website/ts/pages/landing/landing.tsx b/packages/website/ts/pages/landing/landing.tsx
new file mode 100644
index 000000000..32ea86736
--- /dev/null
+++ b/packages/website/ts/pages/landing/landing.tsx
@@ -0,0 +1,843 @@
+import * as _ from 'lodash';
+import * as React from 'react';
+import DocumentTitle = require('react-document-title');
+import {Link} from 'react-router-dom';
+import RaisedButton from 'material-ui/RaisedButton';
+import {colors} from 'material-ui/styles';
+import {configs} from 'ts/utils/configs';
+import {constants} from 'ts/utils/constants';
+import {Styles, WebsitePaths, ScreenWidths} from 'ts/types';
+import {utils} from 'ts/utils/utils';
+import {TopBar} from 'ts/components/top_bar';
+import {Footer} from 'ts/components/footer';
+
+interface BoxContent {
+    title: string;
+    description: string;
+    imageUrl: string;
+    classNames: string;
+}
+interface AssetType {
+    title: string;
+    imageUrl: string;
+    style?: React.CSSProperties;
+}
+interface UseCase {
+    imageUrl: string;
+    type: string;
+    description: string;
+    classNames: string;
+    style?: React.CSSProperties;
+    projectIconUrls: string[];
+}
+interface Project {
+    logoFileName: string;
+    projectUrl: string;
+}
+
+const THROTTLE_TIMEOUT = 100;
+const CUSTOM_HERO_BACKGROUND_COLOR = '#404040';
+const CUSTOM_PROJECTS_BACKGROUND_COLOR = '#343333';
+const CUSTOM_WHITE_BACKGROUND = 'rgb(245, 245, 245)';
+const CUSTOM_WHITE_TEXT = '#E4E4E4';
+const CUSTOM_GRAY_TEXT = '#919191';
+
+const boxContents: BoxContent[] = [
+    {
+        title: 'Trustless exchange',
+        description: 'Built on Ethereum\'s distributed network with no centralized \
+                      point of failure and no down time, each trade is settled atomically \
+                      and without counterparty risk.',
+        imageUrl: '/images/landing/distributed_network.png',
+        classNames: '',
+    },
+    {
+        title: 'Shared liquidity',
+        description: 'By sharing a standard API, relayers can easily aggregate liquidity pools, \
+                      creating network effects around liquidity that compound as more relayers come online.',
+        imageUrl: '/images/landing/liquidity.png',
+        classNames: 'mx-auto',
+    },
+    {
+        title: 'Open source',
+        description: '0x is open source, permissionless and free to use. Trade directly with a known \
+                      counterparty for free or pay a relayer some ZRX tokens to access their liquidity \
+                      pool.',
+        imageUrl: '/images/landing/open_source.png',
+        classNames: 'right',
+    },
+];
+
+const projects: Project[] = [
+    {
+        logoFileName: 'ethfinex-top.png',
+        projectUrl: constants.ETHFINEX_URL,
+    },
+    {
+        logoFileName: 'radar_relay_top.png',
+        projectUrl: constants.RADAR_RELAY_URL,
+    },
+    {
+        logoFileName: 'paradex_top.png',
+        projectUrl: constants.PARADEX_URL,
+    },
+    {
+        logoFileName: 'the_ocean.png',
+        projectUrl: constants.OCEAN_URL,
+    },
+    {
+        logoFileName: 'dydx.png',
+        projectUrl: constants.DYDX_URL,
+    },
+    {
+        logoFileName: 'melonport.png',
+        projectUrl: constants.MELONPORT_URL,
+    },
+    {
+        logoFileName: 'maker.png',
+        projectUrl: constants.MAKER_URL,
+    },
+    {
+        logoFileName: 'dharma.png',
+        projectUrl: constants.DHARMA_URL,
+    },
+    {
+        logoFileName: 'lendroid.png',
+        projectUrl: constants.LENDROID_URL,
+    },
+    {
+        logoFileName: 'district0x.png',
+        projectUrl: constants.DISTRICT_0X_URL,
+    },
+    {
+        logoFileName: 'aragon.png',
+        projectUrl: constants.ARAGON_URL,
+    },
+    {
+        logoFileName: 'blocknet.png',
+        projectUrl: constants.BLOCKNET_URL,
+    },
+    {
+        logoFileName: 'status.png',
+        projectUrl: constants.STATUS_URL,
+    },
+    {
+        logoFileName: 'augur.png',
+        projectUrl: constants.AUGUR_URL,
+    },
+    {
+        logoFileName: 'anx.png',
+        projectUrl: constants.OPEN_ANX_URL,
+    },
+    {
+        logoFileName: 'auctus.png',
+        projectUrl: constants.AUCTUS_URL,
+    },
+];
+
+export interface LandingProps {
+    location: Location;
+}
+
+interface LandingState {
+    screenWidth: ScreenWidths;
+}
+
+export class Landing extends React.Component<LandingProps, LandingState> {
+    private throttledScreenWidthUpdate: () => void;
+    constructor(props: LandingProps) {
+        super(props);
+        this.state = {
+            screenWidth: utils.getScreenWidth(),
+        };
+        this.throttledScreenWidthUpdate = _.throttle(this.updateScreenWidth.bind(this), THROTTLE_TIMEOUT);
+    }
+    public componentDidMount() {
+        window.addEventListener('resize', this.throttledScreenWidthUpdate);
+        window.scrollTo(0, 0);
+    }
+    public componentWillUnmount() {
+        window.removeEventListener('resize', this.throttledScreenWidthUpdate);
+    }
+    public render() {
+        return (
+            <div id="landing" className="clearfix" style={{color: colors.grey800}}>
+                <DocumentTitle title="0x Protocol"/>
+                <TopBar
+                    blockchainIsLoaded={false}
+                    location={this.props.location}
+                    isNightVersion={true}
+                    style={{backgroundColor: CUSTOM_HERO_BACKGROUND_COLOR, position: 'relative'}}
+                />
+                {this.renderHero()}
+                {this.renderProjects()}
+                {this.renderTokenizationSection()}
+                {this.renderProtocolSection()}
+                {this.renderInfoBoxes()}
+                {this.renderBuildingBlocksSection()}
+                {this.renderUseCases()}
+                {this.renderCallToAction()}
+                <Footer location={this.props.location} />
+            </div>
+        );
+    }
+    private renderHero() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        const buttonLabelStyle: React.CSSProperties = {
+            textTransform: 'none',
+            fontSize: isSmallScreen ? 12 : 14,
+            fontWeight: 400,
+        };
+        const lightButtonStyle: React.CSSProperties = {
+            borderRadius: 6,
+            border: '1px solid #D8D8D8',
+            lineHeight: '33px',
+            height: 38,
+        };
+        const left  = 'col lg-col-7 md-col-7 col-12 lg-pt4 md-pt4 sm-pt0 mt1 lg-pl4 md-pl4 sm-pl0 sm-px3 sm-center';
+        return (
+            <div
+                className="clearfix py4"
+                style={{backgroundColor: CUSTOM_HERO_BACKGROUND_COLOR}}
+            >
+                <div
+                    className="mx-auto max-width-4 clearfix"
+                >
+                    <div className="lg-pt4 md-pt4 sm-pt2 lg-pb4 md-pb4 lg-my4 md-my4 sm-mt2 sm-mb4 clearfix">
+                        <div className="col lg-col-5 md-col-5 col-12 sm-center">
+                            <img
+                                src="/images/landing/hero_chip_image.png"
+                                height={isSmallScreen ? 300 : 395}
+                            />
+                        </div>
+                        <div
+                            className={left}
+                            style={{color: 'white'}}
+                        >
+                            <div style={{paddingLeft: isSmallScreen ? 0 : 12}}>
+                                <div
+                                    className="sm-pb2"
+                                    style={{fontFamily: 'Roboto Mono', fontSize: isSmallScreen ? 26 : 34}}
+                                >
+                                    Powering decentralized exchange
+                                </div>
+                                <div
+                                    className="pt2 h5 sm-mx-auto"
+                                    style={{maxWidth: 446, fontFamily: 'Roboto Mono', lineHeight: 1.7, fontWeight: 300}}
+                                >
+                                    0x is an open, permissionless protocol allowing for ERC20 tokens to
+                                    be traded on the Ethereum blockchain.
+                                </div>
+                                <div className="pt3 clearfix sm-mx-auto" style={{maxWidth: 342}}>
+                                    <div className="lg-pr2 md-pr2 col col-6 sm-center">
+                                        <Link to={WebsitePaths.ZeroExJs} className="text-decoration-none">
+                                            <RaisedButton
+                                                style={{borderRadius: 6, minWidth: 157.36}}
+                                                buttonStyle={{borderRadius: 6}}
+                                                labelStyle={buttonLabelStyle}
+                                                label="Build on 0x"
+                                                onClick={_.noop}
+                                            />
+                                        </Link>
+                                    </div>
+                                    <div className="col col-6 sm-center">
+                                        <a
+                                            href={constants.ZEROEX_CHAT_URL}
+                                            target="_blank"
+                                            className="text-decoration-none"
+                                        >
+                                            <RaisedButton
+                                                style={{borderRadius: 6, minWidth: 150}}
+                                                buttonStyle={lightButtonStyle}
+                                                labelColor="white"
+                                                backgroundColor={CUSTOM_HERO_BACKGROUND_COLOR}
+                                                labelStyle={buttonLabelStyle}
+                                                label="Join the community"
+                                                onClick={_.noop}
+                                            />
+                                        </a>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        );
+    }
+    private renderProjects() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        const isMediumScreen = this.state.screenWidth === ScreenWidths.MD;
+        const projectList = _.map(projects, (project: Project, i: number) => {
+            const colWidth = isSmallScreen ? 3 : isMediumScreen ? 4 : 2 - (i % 2);
+            return (
+                <div
+                    key={`project-${project.logoFileName}`}
+                    className={`col col-${colWidth} center`}
+                >
+                    <div>
+                        <a
+                            href={project.projectUrl}
+                            target="_blank"
+                            className="text-decoration-none"
+                        >
+                            <img
+                                src={`/images/landing/project_logos/${project.logoFileName}`}
+                                height={isSmallScreen ? 60 : 92}
+                            />
+                        </a>
+                    </div>
+                </div>
+            );
+        });
+        const titleStyle: React.CSSProperties = {
+            fontFamily: 'Roboto Mono',
+            color: '#A4A4A4',
+            textTransform: 'uppercase',
+            fontWeight: 300,
+            letterSpacing: 3,
+        };
+        return (
+            <div
+                className="clearfix py4"
+                style={{backgroundColor: CUSTOM_PROJECTS_BACKGROUND_COLOR}}
+            >
+                <div className="mx-auto max-width-4 clearfix sm-px3">
+                    <div
+                        className="h4 pb3 md-pl3 sm-pl2"
+                        style={titleStyle}
+                    >
+                        Projects building on 0x
+                    </div>
+                    <div className="clearfix">
+                        {projectList}
+                    </div>
+                    <div
+                        className="pt3 mx-auto center"
+                        style={{color: CUSTOM_GRAY_TEXT, fontFamily: 'Roboto Mono', maxWidth: 300, fontSize: 14}}
+                    >
+                        view the{' '}
+                        <Link
+                            to={`${WebsitePaths.Wiki}#List-of-Projects-Using-0x-Protocol`}
+                            className="text-decoration-none underline"
+                            style={{color: CUSTOM_GRAY_TEXT}}
+                        >
+                            full list
+                        </Link>
+                    </div>
+                </div>
+            </div>
+        );
+    }
+    private renderTokenizationSection() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        return (
+            <div
+                className="clearfix lg-py4 md-py4 sm-pb4 sm-pt2"
+                style={{backgroundColor: CUSTOM_WHITE_BACKGROUND}}
+            >
+                <div className="mx-auto max-width-4 py4 clearfix">
+                    {isSmallScreen &&
+                        this.renderTokenCloud()
+                    }
+                    <div className="col lg-col-6 md-col-6 col-12">
+                        <div className="mx-auto" style={{maxWidth: 385, paddingTop: 7}}>
+                            <div
+                                className="lg-h1 md-h1 sm-h2 sm-center sm-pt3"
+                                style={{fontFamily: 'Roboto Mono'}}
+                            >
+                                The world's value is becoming tokenized
+                            </div>
+                            <div
+                                className="pb2 lg-pt2 md-pt2 sm-pt3 sm-px3 h5 sm-center"
+                                style={{fontFamily: 'Roboto Mono', lineHeight: 1.7}}
+                            >
+                                {isSmallScreen ?
+                                    <span>
+                                        The Ethereum blockchain is an open, borderless financial system that represents
+                                        a wide variety of assets as cryptographic tokens. In the future, most digital
+                                        assets and goods will be tokenized.
+                                    </span> :
+                                    <div>
+                                        <div>
+                                            The Ethereum blockchain is an open, borderless
+                                            financial system that represents
+                                        </div>
+                                        <div>
+                                            a wide variety of assets as cryptographic tokens.
+                                            In the future, most digital assets and goods will be tokenized.
+                                        </div>
+                                    </div>
+                                }
+                            </div>
+                            <div className="flex pt1 sm-px3">
+                                {this.renderAssetTypes()}
+                            </div>
+                        </div>
+                    </div>
+                    {!isSmallScreen &&
+                        this.renderTokenCloud()
+                    }
+                </div>
+            </div>
+        );
+    }
+    private renderProtocolSection() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        return (
+            <div
+                className="clearfix lg-py4 md-py4 sm-pt4"
+                style={{backgroundColor: CUSTOM_HERO_BACKGROUND_COLOR}}
+            >
+                <div className="mx-auto max-width-4 lg-py4 md-py4 sm-pt4 clearfix">
+                    <div className="col lg-col-6 md-col-6 col-12 sm-center">
+                        <img
+                            src="/images/landing/relayer_diagram.png"
+                            height={isSmallScreen ? 326 : 426}
+                        />
+                    </div>
+                    <div
+                        className="col lg-col-6 md-col-6 col-12 lg-pr3 md-pr3 sm-mx-auto"
+                        style={{color: CUSTOM_WHITE_TEXT, paddingTop: 8, maxWidth: isSmallScreen ? 'none' : 445}}
+                    >
+                        <div
+                            className="lg-h1 md-h1 sm-h2 pb1 sm-pt3 sm-center"
+                            style={{fontFamily: 'Roboto Mono'}}
+                        >
+                            <div>
+                                Off-chain order relay
+                            </div>
+                            <div>
+                                On-chain settlement
+                            </div>
+                        </div>
+                        <div
+                            className="pb2 pt2 h5 sm-center sm-px3 sm-mx-auto"
+                            style={{fontFamily: 'Roboto Mono', lineHeight: 1.7, fontWeight: 300, maxWidth: 445}}
+                        >
+                            In 0x protocol, orders are transported off-chain, massively reducing gas
+                            costs and eliminating blockchain bloat. Relayers help broadcast orders and
+                            collect a fee each time they facilitate a trade. Anyone can build a relayer.
+                        </div>
+                        <div
+                            className="pt3 sm-mx-auto sm-px3"
+                            style={{color: CUSTOM_GRAY_TEXT, maxWidth: isSmallScreen ? 412 : 'none'}}
+                        >
+                            <div className="flex" style={{fontSize: 18}}>
+                                <div
+                                    className="lg-h4 md-h4 sm-h5"
+                                    style={{letterSpacing: isSmallScreen ? 1 : 3, fontFamily: 'Roboto Mono'}}
+                                >
+                                    RELAYERS BUILDING ON 0X
+                                </div>
+                                <div className="h5" style={{marginLeft: isSmallScreen ? 26 : 49}}>
+                                    <Link
+                                        to={`${WebsitePaths.Wiki}#List-of-Projects-Using-0x-Protocol`}
+                                        className="text-decoration-none underline"
+                                        style={{color: CUSTOM_GRAY_TEXT, fontFamily: 'Roboto Mono'}}
+                                    >
+                                        view all
+                                    </Link>
+                                </div>
+                            </div>
+                            <div className="lg-flex md-flex sm-clearfix pt3" style={{opacity: 0.4}}>
+                                <div className="col col-4 sm-center">
+                                        <img
+                                            src="/images/landing/ethfinex.png"
+                                            style={{height: isSmallScreen ? 85 : 107}}
+                                        />
+                                </div>
+                                <div
+                                    className="col col-4 center"
+                                >
+                                        <img
+                                            src="/images/landing/radar_relay.png"
+                                            style={{height: isSmallScreen ? 85 : 107}}
+                                        />
+                                </div>
+                                <div className="col col-4 sm-center" style={{textAlign: 'right'}}>
+                                        <img
+                                            src="/images/landing/paradex.png"
+                                            style={{height: isSmallScreen ? 85 : 107}}
+                                        />
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        );
+    }
+    private renderBuildingBlocksSection() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        const underlineStyle: React.CSSProperties = {
+            height: isSmallScreen ? 18 : 23,
+            lineHeight: 'none',
+            borderBottom: '2px solid #979797',
+        };
+        const descriptionStyle: React.CSSProperties = {
+            fontFamily: 'Roboto Mono',
+            lineHeight: isSmallScreen ? 1.5 : 2,
+            fontWeight: 300,
+            fontSize: 15,
+            maxWidth: isSmallScreen ? 375 : 'none',
+        };
+        const callToActionStyle: React.CSSProperties = {
+            fontFamily: 'Roboto Mono',
+            fontSize: 15,
+            fontWeight: 300,
+            maxWidth: isSmallScreen ? 375 : 441,
+        };
+        return (
+            <div
+                className="clearfix lg-pt4 md-pt4"
+                style={{backgroundColor: CUSTOM_HERO_BACKGROUND_COLOR}}
+            >
+                <div className="mx-auto max-width-4 lg-pt4 md-pt4 lg-mb4 md-mb4 sm-mb2 clearfix">
+                    {isSmallScreen &&
+                        this.renderBlockChipImage()
+                    }
+                    <div
+                        className="col lg-col-6 md-col-6 col-12 lg-pr3 md-pr3 sm-px3"
+                        style={{color: CUSTOM_WHITE_TEXT}}
+                    >
+                        <div
+                            className="pb1 lg-pt4 md-pt4 sm-pt3 lg-h1 md-h1 sm-h2 sm-px3 sm-center"
+                            style={{fontFamily: 'Roboto Mono'}}
+                        >
+                            A building block for dApps
+                        </div>
+                        <div
+                            className="pb3 pt2 sm-mx-auto sm-center"
+                            style={descriptionStyle}
+                        >
+                            0x protocol is a pluggable building block for dApps that require exchange functionality.
+                            Join the many developers that are already using 0x in their web applications and smart
+                            contracts.
+                        </div>
+                        <div
+                            className="sm-mx-auto sm-center"
+                            style={callToActionStyle}
+                        >
+                            Learn how in our{' '}
+                            <Link
+                                to={WebsitePaths.ZeroExJs}
+                                className="text-decoration-none underline"
+                                style={{color: CUSTOM_WHITE_TEXT, fontFamily: 'Roboto Mono'}}
+                            >
+                                0x.js
+                            </Link>
+                            {' '}and{' '}
+                            <Link
+                                to={WebsitePaths.SmartContracts}
+                                className="text-decoration-none underline"
+                                style={{color: CUSTOM_WHITE_TEXT, fontFamily: 'Roboto Mono'}}
+                            >
+                                smart contract
+                            </Link>
+                            {' '}docs
+                        </div>
+                    </div>
+                    {!isSmallScreen &&
+                        this.renderBlockChipImage()
+                    }
+                </div>
+            </div>
+        );
+    }
+    private renderBlockChipImage() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        return (
+            <div className="col lg-col-6 md-col-6 col-12 sm-center">
+                <img
+                    src="/images/landing/0x_chips.png"
+                    height={isSmallScreen ? 240 : 368}
+                />
+            </div>
+        );
+    }
+    private renderTokenCloud() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        return (
+            <div className="col lg-col-6 md-col-6 col-12 center">
+                <img
+                    src="/images/landing/tokenized_world.png"
+                    height={isSmallScreen ? 280 : 364.5}
+                />
+            </div>
+        );
+    }
+    private renderAssetTypes() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        const assetTypes: AssetType[] = [
+            {
+                title: 'Currency',
+                imageUrl: '/images/landing/currency.png',
+            },
+            {
+                title: 'Traditional assets',
+                imageUrl: '/images/landing/stocks.png',
+                style: {paddingLeft: isSmallScreen ? 41 : 56, paddingRight: isSmallScreen ? 41 : 56},
+            },
+            {
+                title: 'Digital goods',
+                imageUrl: '/images/landing/digital_goods.png',
+            },
+        ];
+        const assets = _.map(assetTypes, (assetType: AssetType) => {
+            const style = _.isUndefined(assetType.style) ? {} : assetType.style;
+            return (
+                <div
+                    key={`asset-${assetType.title}`}
+                    className="center"
+                    style={{opacity: 0.8, ...style}}
+                >
+                    <div>
+                        <img
+                            src={assetType.imageUrl}
+                            height="80"
+                        />
+                    </div>
+                    <div style={{fontFamily: 'Roboto Mono', fontSize: 13.5, fontWeight: 400, opacity: 0.75}}>
+                        {assetType.title}
+                    </div>
+                </div>
+            );
+        });
+        return assets;
+    }
+    private renderLink(label: string, path: string, color: string, style?: React.CSSProperties) {
+        return (
+            <div
+                style={{borderBottom: `1px solid ${color}`, paddingBottom: 1, height: 20, lineHeight: 1.7, ...style}}
+            >
+                <Link
+                    to={path}
+                    className="text-decoration-none"
+                    style={{color, fontFamily: 'Roboto Mono'}}
+                >
+                    {label}
+                </Link>
+            </div>
+        );
+    }
+    private renderInfoBoxes() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        const boxStyle: React.CSSProperties = {
+            maxWidth: 252,
+            height: 386,
+            backgroundColor: '#F9F9F9',
+            borderRadius: 5,
+            padding: '10px 24px 24px',
+        };
+        const boxes = _.map(boxContents, (boxContent: BoxContent) => {
+            return (
+                <div
+                    key={`box-${boxContent.title}`}
+                    className="col lg-col-4 md-col-4 col-12 sm-pb4"
+                >
+                    <div
+                        className={`center sm-mx-auto ${!isSmallScreen && boxContent.classNames}`}
+                        style={boxStyle}
+                    >
+                        <div>
+                            <img src={boxContent.imageUrl} style={{height: 210}} />
+                        </div>
+                        <div
+                            className="h3"
+                            style={{color: 'black', fontFamily: 'Roboto Mono'}}
+                        >
+                            {boxContent.title}
+                        </div>
+                        <div
+                            className="pt2 pb2"
+                            style={{fontFamily: 'Roboto Mono', fontSize: 14}}
+                        >
+                            {boxContent.description}
+                        </div>
+                    </div>
+                </div>
+            );
+
+        });
+        return (
+            <div
+                className="clearfix"
+                style={{backgroundColor: CUSTOM_HERO_BACKGROUND_COLOR}}
+            >
+                <div
+                    className="mx-auto py4 sm-mt2 clearfix"
+                    style={{maxWidth: '60em'}}
+                >
+                    {boxes}
+                </div>
+            </div>
+        );
+    }
+    private renderUseCases() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        const isMediumScreen = this.state.screenWidth === ScreenWidths.MD;
+
+        const useCases: UseCase[] = [
+            {
+                imageUrl: '/images/landing/governance_icon.png',
+                type: 'Decentralized governance',
+                description: 'Decentralized organizations use tokens to represent ownership and \
+                              guide their governance logic. 0x allows decentralized organizations \
+                              to seamlessly and safely trade ownership for startup capital.',
+                projectIconUrls: ['/images/landing/aragon.png'],
+                classNames: 'lg-px2 md-px2',
+            },
+            {
+                imageUrl: '/images/landing/prediction_market_icon.png',
+                type: 'Prediction markets',
+                description: 'Decentralized prediction market platforms generate sets of tokens that \
+                              represent a financial stake in the outcomes of real-world events. 0x allows \
+                              these tokens to be instantly tradable.',
+                projectIconUrls: ['/images/landing/augur.png'],
+                classNames: 'lg-px2 md-px2',
+            },
+            {
+                imageUrl: '/images/landing/stable_tokens_icon.png',
+                type: 'Stable tokens',
+                description: 'Novel economic constructs such as stable coins require efficient, liquid \
+                              markets to succeed. 0x will facilitate the underlying economic mechanisms \
+                              that allow these tokens to remain stable.',
+                projectIconUrls: ['/images/landing/maker.png'],
+                classNames: 'lg-px2 md-px2',
+            },
+            {
+                imageUrl: '/images/landing/loans_icon.png',
+                type: 'Decentralized loans',
+                description: 'Efficient lending requires liquid markets where investors can buy and re-sell loans. \
+                              0x enables an ecosystem of lenders to self-organize and efficiently determine \
+                              market prices for all outstanding loans.',
+                projectIconUrls: ['/images/landing/dharma.png', '/images/landing/lendroid.png'],
+                classNames: 'lg-pr2 md-pr2 lg-col-6 md-col-6',
+                style: {width: 291, float: 'right', marginTop: !isSmallScreen ? 38 : 0},
+            },
+            {
+                imageUrl: '/images/landing/fund_management_icon.png',
+                type: 'Fund management',
+                description: 'Decentralized fund management limits fund managers to investing in pre-agreed \
+                              upon asset classes. Embedding 0x into fund management smart contracts enables \
+                              them to enforce these security constraints.',
+                projectIconUrls: ['/images/landing/melonport.png'],
+                classNames: 'lg-pl2 md-pl2 lg-col-6 md-col-6',
+                style: {width: 291, marginTop: !isSmallScreen ? 38 : 0},
+            },
+        ];
+
+        const cases = _.map(useCases, (useCase: UseCase) => {
+            const style = _.isUndefined(useCase.style) || isSmallScreen ? {} : useCase.style;
+            const useCaseBoxStyle = {
+                color: '#A2A2A2',
+                border: '1px solid #565656',
+                borderRadius: 4,
+                maxWidth: isSmallScreen ? 375 : 'none',
+                ...style,
+            };
+            const typeStyle: React.CSSProperties = {
+                color: '#EBEBEB',
+                fontSize: 13,
+                textTransform: 'uppercase',
+                fontFamily: 'Roboto Mono',
+                fontWeight: 300,
+            };
+            return (
+                <div
+                    key={`useCase-${useCase.type}`}
+                    className={`col lg-col-4 md-col-4 col-12 sm-pt3 sm-px3 sm-pb3 ${useCase.classNames}`}
+                >
+                    <div
+                        className="relative p2 pb2 sm-mx-auto"
+                        style={useCaseBoxStyle}
+                    >
+                        <div
+                            className="absolute center"
+                            style={{top: -35, width: 'calc(100% - 32px)'}}
+                        >
+                            <img src={useCase.imageUrl} style={{height: 50}} />
+                        </div>
+                        <div className="pt2 center" style={typeStyle}>
+                            {useCase.type}
+                        </div>
+                        <div
+                            className="pt2"
+                            style={{lineHeight: 1.5, fontSize: 14, overflow: 'hidden', height: 104}}
+                        >
+                            {useCase.description}
+                        </div>
+                    </div>
+                </div>
+            );
+        });
+        return (
+            <div
+                className="clearfix pb4 lg-pt2 md-pt2 sm-pt4"
+                style={{backgroundColor: CUSTOM_HERO_BACKGROUND_COLOR}}
+            >
+                <div
+                    className="mx-auto pb4 pt3 mt1 sm-mt2 clearfix"
+                    style={{maxWidth: '67em'}}
+                >
+                    {cases}
+                </div>
+            </div>
+        );
+    }
+    private renderCallToAction() {
+        const isSmallScreen = this.state.screenWidth === ScreenWidths.SM;
+        const buttonLabelStyle: React.CSSProperties = {
+            textTransform: 'none',
+            fontSize: 15,
+            fontWeight: 400,
+        };
+        const lightButtonStyle: React.CSSProperties = {
+            borderRadius: 6,
+            border: '1px solid #a0a0a0',
+            lineHeight: '33px',
+            height: 49,
+        };
+        const callToActionClassNames = 'col lg-col-8 md-col-8 col-12 lg-pr3 md-pr3 \
+                                        lg-right-align md-right-align sm-center sm-px3 h4';
+        return (
+            <div
+                className="clearfix pb4"
+                style={{backgroundColor: CUSTOM_HERO_BACKGROUND_COLOR}}
+            >
+                <div
+                    className="mx-auto max-width-4 pb4 mb3 clearfix"
+                >
+                    <div
+                        className={callToActionClassNames}
+                        style={{fontFamily: 'Roboto Mono', color: 'white', lineHeight: isSmallScreen ? 1.7 : 3}}
+                    >
+                        Get started on building the decentralized future
+                    </div>
+                    <div className="col lg-col-4 md-col-4 col-12 sm-center sm-pt2">
+                        <Link to={WebsitePaths.ZeroExJs} className="text-decoration-none">
+                            <RaisedButton
+                                style={{borderRadius: 6, minWidth: 150}}
+                                buttonStyle={lightButtonStyle}
+                                labelColor={colors.white}
+                                backgroundColor={CUSTOM_HERO_BACKGROUND_COLOR}
+                                labelStyle={buttonLabelStyle}
+                                label="Build on 0x"
+                                onClick={_.noop}
+                            />
+                        </Link>
+                    </div>
+                </div>
+            </div>
+        );
+    }
+    private updateScreenWidth() {
+        const newScreenWidth = utils.getScreenWidth();
+        if (newScreenWidth !== this.state.screenWidth) {
+            this.setState({
+                screenWidth: newScreenWidth,
+            });
+        }
+    }
+}