Use Image component where relevant and add back tracked token timestamp logic

packages/website/ts/components/onboarding/add_eth_onboarding_step.tsx

@@ -1,6 +1,7 @@
 import { BigNumber } from '@0xproject/utils';
 import * as React from 'react';
 import { Container } from 'ts/components/ui/container';
+import { Image } from 'ts/components/ui/image';
 import { Text } from 'ts/components/ui/text';
 import { constants } from 'ts/utils/constants';
 import { utils } from 'ts/utils/utils';
@@ -24,17 +25,17 @@ export const AddEthOnboardingStep: React.StatelessComponent<AddEthOnboardingStep
                 in your wallet.
             </Text>
             <Container marginTop="15px" marginBottom="15px">
-                <img src="/images/ether_alt.svg" height="50px" width="50px" />
+                <Image src="/images/ether_alt.svg" height="50px" width="50px" />
             </Container>
         </div>
     ) : (
         <div className="flex items-center flex-column">
             <Text> Before you begin you will need to send some ETH to your wallet.</Text>
             <Container marginTop="15px" marginBottom="15px">
-                <img src="/images/ether_alt.svg" height="50px" width="50px" />
+                <Image src="/images/ether_alt.svg" height="50px" width="50px" />
             </Container>
             <Text className="xs-hide">
-                Click on the <img src="/images/metamask_icon.png" height="20px" width="20px" /> metamask extension in
+                Click on the <Image src="/images/metamask_icon.png" height="20px" width="20px" /> MetaMask extension in
                 your browser and click either <b>BUY</b> or <b>DEPOSIT</b>.
             </Text>
         </div>

packages/website/ts/components/onboarding/intro_onboarding_step.tsx

@@ -1,5 +1,6 @@
 import * as React from 'react';
 import { Container } from 'ts/components/ui/container';
+import { Image } from 'ts/components/ui/image';
 import { Text } from 'ts/components/ui/text';
 
 export interface IntroOnboardingStepProps {}
@@ -11,15 +12,15 @@ export const IntroOnboardingStep: React.StatelessComponent<IntroOnboardingStepPr
         </Text>
         <Container width="100%" marginTop="25px" marginBottom="15px" className="flex justify-around">
             <div className="flex flex-column items-center">
-                <img src="/images/ether.png" height="50px" width="50px" />
+                <Image src="/images/ether.png" height="50px" width="50px" />
                 <Text> Add ETH </Text>
             </div>
             <div className="flex flex-column items-center">
-                <img src="/images/eth_token.svg" height="50px" width="50x" />
+                <Image src="/images/eth_token.svg" height="50px" width="50x" />
                 <Text> Wrap ETH </Text>
             </div>
             <div className="flex flex-column items-center">
-                <img src="/images/fake_toggle.svg" height="50px" width="50px" />
+                <Image src="/images/fake_toggle.svg" height="50px" width="50px" />
                 <Text> Unlock tokens </Text>
             </div>
         </Container>

packages/website/ts/components/wallet/wallet.tsx

@@ -156,6 +156,20 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
             isHoveringSidebar: false,
         };
     }
+    public componentDidUpdate(prevProps: WalletProps): void {
+        const currentTrackedTokens = this.props.trackedTokens;
+        const differentTrackedTokens = _.difference(currentTrackedTokens, prevProps.trackedTokens);
+        const firstDifferentTrackedToken = _.head(differentTrackedTokens);
+        // check if there is only one different token, and if that token is a member of the current tracked tokens
+        // this means that the token was added, not removed
+        if (
+            !_.isUndefined(firstDifferentTrackedToken) &&
+            _.size(differentTrackedTokens) === 1 &&
+            _.includes(currentTrackedTokens, firstDifferentTrackedToken)
+        ) {
+            document.getElementById(firstDifferentTrackedToken.address).scrollIntoView();
+        }
+    }
     public render(): React.ReactNode {
         const isBlockchainLoaded = this.props.blockchainIsLoaded && this.props.blockchainErr === BlockchainErrs.NoError;
         return (
@@ -318,7 +332,7 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
         const trackedTokensStartingWithEtherToken = trackedTokens.sort(
             firstBy((t: Token) => t.symbol !== constants.ETHER_TOKEN_SYMBOL)
                 .thenBy((t: Token) => t.symbol !== constants.ZRX_TOKEN_SYMBOL)
-                .thenBy('address'),
+                .thenBy('trackedTimestamp'),
         );
         return _.map(trackedTokensStartingWithEtherToken, this._renderTokenRow.bind(this));
     }
@@ -375,7 +389,7 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
         const style = { ...styles.tokenItem, ...additionalStyle };
         const etherToken = this._getEthToken();
         return (
-            <div key={key} className={`flex flex-column ${className || ''}`}>
+            <div id={key} key={key} className={`flex flex-column ${className || ''}`}>
                 <StandardIconRow
                     icon={icon}
                     main={