Add utilities for getting tokens from tokensByAddress

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

@@ -2,12 +2,14 @@ import * as _ from 'lodash';
 import * as React from 'react';
 
 import { BigNumber } from '@0xproject/utils';
+import { Blockchain } from 'ts/blockchain';
 import { OnboardingFlow, Step } from 'ts/components/onboarding/onboarding_flow';
 import { ProviderType, TokenByAddress, TokenStateByAddress } from 'ts/types';
 import { utils } from 'ts/utils/utils';
 import { AllowanceToggle } from 'ts/containers/inputs/allowance_toggle';
 
 export interface PortalOnboardingFlowProps {
+    blockchain: Blockchain;
     stepIndex: number;
     isRunning: boolean;
     userAddress: string;
@@ -20,6 +22,7 @@ export interface PortalOnboardingFlowProps {
     trackedTokenStateByAddress: TokenStateByAddress;
     updateIsRunning: (isRunning: boolean) => void;
     updateOnboardingStep: (stepIndex: number) => void;
+    refetchTokenStateAsync: (tokenAddress: string) => Promise<void>;
 }
 
 export class PortalOnboardingFlow extends React.Component<PortalOnboardingFlowProps> {

packages/website/ts/components/portal/portal.tsx

@@ -235,7 +235,11 @@ export class Portal extends React.Component<PortalProps, PortalState> {
                 : TokenVisibility.TRACKED;
         return (
             <div style={styles.root}>
-                <PortalOnboardingFlow trackedTokenStateByAddress={this.state.trackedTokenStateByAddress} />
+                <PortalOnboardingFlow
+                    blockchain={this._blockchain}
+                    trackedTokenStateByAddress={this.state.trackedTokenStateByAddress}
+                    refetchTokenStateAsync={this._refetchTokenStateAsync.bind(this)}
+                />
                 <DocumentTitle title="0x Portal DApp" />
                 <TopBar
                     userAddress={this.props.userAddress}

packages/website/ts/containers/portal_onboarding_flow.ts

@@ -2,6 +2,7 @@ import { BigNumber } from '@0xproject/utils';
 import * as React from 'react';
 import { connect } from 'react-redux';
 import { Dispatch } from 'redux';
+import { Blockchain } from 'ts/blockchain';
 import { ActionTypes, ProviderType, TokenByAddress, TokenStateByAddress } from 'ts/types';
 
 import { PortalOnboardingFlow as PortalOnboardingFlowComponent } from 'ts/components/onboarding/portal_onboarding_flow';
@@ -9,6 +10,8 @@ import { State } from 'ts/redux/reducer';
 
 interface PortalOnboardingFlowProps {
     trackedTokenStateByAddress: TokenStateByAddress;
+    blockchain: Blockchain;
+    refetchTokenStateAsync: (tokenAddress: string) => Promise<void>;
 }
 
 interface ConnectedState {

packages/website/ts/utils/utils.ts

@@ -21,6 +21,7 @@ import {
 import { configs } from 'ts/utils/configs';
 import { constants } from 'ts/utils/constants';
 import * as u2f from 'ts/vendor/u2f_api';
+import { Container } from '../components/ui/container';
 
 const LG_MIN_EM = 64;
 const MD_MIN_EM = 52;
@@ -322,8 +323,14 @@ export const utils = {
         return this.isDevelopment() || this.isStaging() || this.isDogfood();
     },
     getEthToken(tokenByAddress: TokenByAddress): Token {
+        return utils.getTokenBySymbol(constants.ETHER_TOKEN_SYMBOL, tokenByAddress);
+    },
+    getZrxToken(tokenByAddress: TokenByAddress): Token {
+        return utils.getTokenBySymbol(constants.ZRX_TOKEN_SYMBOL, tokenByAddress);
+    },
+    getTokenBySymbol(symbol: string, tokenByAddress: TokenByAddress): Token {
         const tokens = _.values(tokenByAddress);
-        const etherToken = _.find(tokens, { symbol: constants.ETHER_TOKEN_SYMBOL });
-        return etherToken;
+        const token = _.find(tokens, { symbol });
+        return token;
     },
 };