661 lines
29 KiB
TypeScript
661 lines
29 KiB
TypeScript
import { ZeroEx } from '0x.js';
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import {
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colors,
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constants as sharedConstants,
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EtherscanLinkSuffixes,
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Networks,
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Styles,
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utils as sharedUtils,
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} from '@0xproject/react-shared';
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import { BigNumber, logUtils } from '@0xproject/utils';
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import * as _ from 'lodash';
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import Dialog from 'material-ui/Dialog';
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import Divider from 'material-ui/Divider';
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import FlatButton from 'material-ui/FlatButton';
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import FloatingActionButton from 'material-ui/FloatingActionButton';
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import RaisedButton from 'material-ui/RaisedButton';
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import ContentAdd from 'material-ui/svg-icons/content/add';
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import ContentRemove from 'material-ui/svg-icons/content/remove';
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import { Table, TableBody, TableHeader, TableHeaderColumn, TableRow, TableRowColumn } from 'material-ui/Table';
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import * as React from 'react';
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import ReactTooltip = require('react-tooltip');
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import firstBy = require('thenby');
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import { Blockchain } from 'ts/blockchain';
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import { AssetPicker } from 'ts/components/generate_order/asset_picker';
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import { AllowanceToggle } from 'ts/components/inputs/allowance_toggle';
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import { SendButton } from 'ts/components/send_button';
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import { HelpTooltip } from 'ts/components/ui/help_tooltip';
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import { LifeCycleRaisedButton } from 'ts/components/ui/lifecycle_raised_button';
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import { TokenIcon } from 'ts/components/ui/token_icon';
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import { trackedTokenStorage } from 'ts/local_storage/tracked_token_storage';
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import { Dispatcher } from 'ts/redux/dispatcher';
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import {
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BalanceErrs,
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BlockchainCallErrs,
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BlockchainErrs,
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ScreenWidths,
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Token,
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TokenByAddress,
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TokenStateByAddress,
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TokenVisibility,
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} from 'ts/types';
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import { configs } from 'ts/utils/configs';
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import { constants } from 'ts/utils/constants';
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import { errorReporter } from 'ts/utils/error_reporter';
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import { utils } from 'ts/utils/utils';
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const ETHER_ICON_PATH = '/images/ether.png';
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const ETHER_TOKEN_SYMBOL = 'WETH';
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const ZRX_TOKEN_SYMBOL = 'ZRX';
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const ICON_DIMENSION = 40;
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const ARTIFICIAL_FAUCET_REQUEST_DELAY = 1000;
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const TOKEN_TABLE_ROW_HEIGHT = 60;
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const MAX_TOKEN_TABLE_HEIGHT = 420;
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const TOKEN_COL_SPAN_LG = 2;
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const TOKEN_COL_SPAN_SM = 1;
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const styles: Styles = {
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bgColor: {
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backgroundColor: colors.grey50,
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},
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};
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interface TokenBalancesProps {
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blockchain: Blockchain;
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blockchainErr: BlockchainErrs;
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blockchainIsLoaded: boolean;
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dispatcher: Dispatcher;
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screenWidth: ScreenWidths;
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tokenByAddress: TokenByAddress;
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trackedTokens: Token[];
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userAddress: string;
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userEtherBalanceInWei: BigNumber;
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networkId: number;
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lastForceTokenStateRefetch: number;
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}
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interface TokenBalancesState {
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errorType: BalanceErrs;
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isBalanceSpinnerVisible: boolean;
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isZRXSpinnerVisible: boolean;
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isTokenPickerOpen: boolean;
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isAddingToken: boolean;
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trackedTokenStateByAddress: TokenStateByAddress;
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}
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export class TokenBalances extends React.Component<TokenBalancesProps, TokenBalancesState> {
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private _isUnmounted: boolean;
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public constructor(props: TokenBalancesProps) {
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super(props);
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this._isUnmounted = false;
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const initialTrackedTokenStateByAddress = this._getInitialTrackedTokenStateByAddress(props.trackedTokens);
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this.state = {
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errorType: undefined,
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isBalanceSpinnerVisible: false,
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isZRXSpinnerVisible: false,
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isTokenPickerOpen: false,
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isAddingToken: false,
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trackedTokenStateByAddress: initialTrackedTokenStateByAddress,
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};
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}
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public componentWillMount(): void {
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const trackedTokenAddresses = _.keys(this.state.trackedTokenStateByAddress);
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// tslint:disable-next-line:no-floating-promises
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this._fetchBalancesAndAllowancesAsync(trackedTokenAddresses);
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}
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public componentWillUnmount(): void {
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this._isUnmounted = true;
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}
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public componentWillReceiveProps(nextProps: TokenBalancesProps): void {
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if (nextProps.userEtherBalanceInWei !== this.props.userEtherBalanceInWei) {
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if (this.state.isBalanceSpinnerVisible) {
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const receivedAmountInWei = nextProps.userEtherBalanceInWei.minus(this.props.userEtherBalanceInWei);
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const receivedAmountInEth = ZeroEx.toUnitAmount(receivedAmountInWei, constants.DECIMAL_PLACES_ETH);
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const networkName = sharedConstants.NETWORK_NAME_BY_ID[this.props.networkId];
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this.props.dispatcher.showFlashMessage(
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`Received ${receivedAmountInEth.toString(10)} ${networkName} Ether`,
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);
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}
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this.setState({
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isBalanceSpinnerVisible: false,
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});
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}
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if (
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nextProps.userAddress !== this.props.userAddress ||
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nextProps.networkId !== this.props.networkId ||
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nextProps.lastForceTokenStateRefetch !== this.props.lastForceTokenStateRefetch
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) {
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const trackedTokenAddresses = _.keys(this.state.trackedTokenStateByAddress);
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// tslint:disable-next-line:no-floating-promises
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this._fetchBalancesAndAllowancesAsync(trackedTokenAddresses);
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}
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if (!_.isEqual(nextProps.trackedTokens, this.props.trackedTokens)) {
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const newTokens = _.difference(nextProps.trackedTokens, this.props.trackedTokens);
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const newTokenAddresses = _.map(newTokens, token => token.address);
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// Add placeholder entry for this token to the state, since fetching the
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// balance/allowance is asynchronous
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const trackedTokenStateByAddress = this.state.trackedTokenStateByAddress;
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for (const tokenAddress of newTokenAddresses) {
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trackedTokenStateByAddress[tokenAddress] = {
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balance: new BigNumber(0),
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allowance: new BigNumber(0),
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isLoaded: false,
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};
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}
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this.setState({
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trackedTokenStateByAddress,
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});
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// Fetch the actual balance/allowance.
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// tslint:disable-next-line:no-floating-promises
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this._fetchBalancesAndAllowancesAsync(newTokenAddresses);
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}
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}
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public componentDidMount(): void {
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window.scrollTo(0, 0);
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}
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public render(): React.ReactNode {
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const errorDialogActions = [
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<FlatButton
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key="errorOkBtn"
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label="Ok"
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primary={true}
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onTouchTap={this._onErrorDialogToggle.bind(this, false)}
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/>,
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];
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const isTestNetwork = utils.isTestNetwork(this.props.networkId);
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const isKovanTestNetwork = this.props.networkId === constants.NETWORK_ID_KOVAN;
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const stubColumnStyle = {
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display: isTestNetwork ? 'none' : 'table-cell',
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};
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const allTokenRowHeight = _.size(this.props.tokenByAddress) * TOKEN_TABLE_ROW_HEIGHT;
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const tokenTableHeight =
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allTokenRowHeight < MAX_TOKEN_TABLE_HEIGHT ? allTokenRowHeight : MAX_TOKEN_TABLE_HEIGHT;
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const isSmallScreen = this.props.screenWidth === ScreenWidths.Sm;
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const tokenColSpan = isSmallScreen ? TOKEN_COL_SPAN_SM : TOKEN_COL_SPAN_LG;
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const allowanceExplanation =
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'0x smart contracts require access to your<br> \
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token balances in order to execute trades.<br> \
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Toggling sets an allowance for the<br> \
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smart contract so you can start trading that token.';
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const userEtherBalanceInEth = ZeroEx.toUnitAmount(
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this.props.userEtherBalanceInWei,
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constants.DECIMAL_PLACES_ETH,
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);
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return (
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<div className="lg-px4 md-px4 sm-px1 pb2">
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<h3>{isTestNetwork ? 'Test ether' : 'Ether'}</h3>
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<Divider />
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<div className="pt2 pb2">
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{isTestNetwork
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? 'In order to try out the 0x Portal Dapp, request some test ether to pay for \
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gas costs. It might take a bit of time for the test ether to show up.'
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: 'Ether must be converted to Ether Tokens in order to be tradable via 0x. \
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You can convert between Ether and Ether Tokens from the "Wrap ETH" tab.'}
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</div>
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<Table selectable={false} style={styles.bgColor}>
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<TableHeader displaySelectAll={false} adjustForCheckbox={false}>
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<TableRow>
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<TableHeaderColumn>Currency</TableHeaderColumn>
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<TableHeaderColumn>Balance</TableHeaderColumn>
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<TableRowColumn className="sm-hide xs-hide" style={stubColumnStyle} />
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{isTestNetwork && (
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<TableHeaderColumn style={{ paddingLeft: 3 }}>
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{isSmallScreen ? 'Faucet' : 'Request from faucet'}
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</TableHeaderColumn>
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)}
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</TableRow>
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</TableHeader>
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<TableBody displayRowCheckbox={false}>
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<TableRow key="ETH">
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<TableRowColumn className="py1">
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<img style={{ width: ICON_DIMENSION, height: ICON_DIMENSION }} src={ETHER_ICON_PATH} />
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</TableRowColumn>
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<TableRowColumn>
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{userEtherBalanceInEth.toFixed(configs.AMOUNT_DISPLAY_PRECSION)} ETH
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{this.state.isBalanceSpinnerVisible && (
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<span className="pl1">
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<i className="zmdi zmdi-spinner zmdi-hc-spin" />
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</span>
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)}
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</TableRowColumn>
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<TableRowColumn className="sm-hide xs-hide" style={stubColumnStyle} />
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{isTestNetwork && (
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<TableRowColumn style={{ paddingLeft: 3 }}>
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<LifeCycleRaisedButton
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labelReady="Request"
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labelLoading="Sending..."
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labelComplete="Sent!"
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onClickAsyncFn={this._faucetRequestAsync.bind(this, true)}
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/>
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</TableRowColumn>
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)}
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</TableRow>
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</TableBody>
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</Table>
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<div className="clearfix" style={{ paddingBottom: 1 }}>
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<div className="col col-10">
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<h3 className="pt2">{isTestNetwork ? 'Test tokens' : 'Tokens'}</h3>
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</div>
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<div className="col col-1 pt3 align-right">
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<FloatingActionButton mini={true} zDepth={0} onClick={this._onAddTokenClicked.bind(this)}>
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<ContentAdd />
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</FloatingActionButton>
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</div>
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<div className="col col-1 pt3 align-right">
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<FloatingActionButton mini={true} zDepth={0} onClick={this._onRemoveTokenClicked.bind(this)}>
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<ContentRemove />
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</FloatingActionButton>
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</div>
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</div>
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<Divider />
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<div className="pt2 pb2">
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{isTestNetwork
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? "Mint some test tokens you'd like to use to generate or fill an order using 0x."
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: "Set trading permissions for a token you'd like to start trading."}
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</div>
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<Table selectable={false} bodyStyle={{ height: tokenTableHeight }} style={styles.bgColor}>
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<TableHeader displaySelectAll={false} adjustForCheckbox={false}>
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<TableRow>
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<TableHeaderColumn colSpan={tokenColSpan}>Token</TableHeaderColumn>
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<TableHeaderColumn style={{ paddingLeft: 3 }}>Balance</TableHeaderColumn>
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<TableHeaderColumn>
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<div className="inline-block">Allowance</div>
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<HelpTooltip style={{ paddingLeft: 4 }} explanation={allowanceExplanation} />
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</TableHeaderColumn>
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<TableHeaderColumn>Action</TableHeaderColumn>
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{this.props.screenWidth !== ScreenWidths.Sm && <TableHeaderColumn>Send</TableHeaderColumn>}
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</TableRow>
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</TableHeader>
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<TableBody displayRowCheckbox={false}>{this._renderTokenTableRows()}</TableBody>
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</Table>
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<Dialog
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title="Oh oh"
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titleStyle={{ fontWeight: 100 }}
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actions={errorDialogActions}
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open={!_.isUndefined(this.state.errorType)}
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onRequestClose={this._onErrorDialogToggle.bind(this, false)}
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>
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{this._renderErrorDialogBody()}
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</Dialog>
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<AssetPicker
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userAddress={this.props.userAddress}
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networkId={this.props.networkId}
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blockchain={this.props.blockchain}
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dispatcher={this.props.dispatcher}
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isOpen={this.state.isTokenPickerOpen}
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currentTokenAddress={''}
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onTokenChosen={this._onAssetTokenPicked.bind(this)}
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tokenByAddress={this.props.tokenByAddress}
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tokenVisibility={this.state.isAddingToken ? TokenVisibility.UNTRACKED : TokenVisibility.TRACKED}
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/>
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</div>
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);
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}
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private _renderTokenTableRows(): React.ReactNode {
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if (!this.props.blockchainIsLoaded || this.props.blockchainErr !== BlockchainErrs.NoError) {
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return '';
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}
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const isSmallScreen = this.props.screenWidth === ScreenWidths.Sm;
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const tokenColSpan = isSmallScreen ? TOKEN_COL_SPAN_SM : TOKEN_COL_SPAN_LG;
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const actionPaddingX = isSmallScreen ? 2 : 24;
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const trackedTokens = this.props.trackedTokens;
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const trackedTokensStartingWithEtherToken = trackedTokens.sort(
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firstBy((t: Token) => t.symbol !== ETHER_TOKEN_SYMBOL)
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.thenBy((t: Token) => t.symbol !== ZRX_TOKEN_SYMBOL)
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.thenBy('address'),
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);
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const tableRows = _.map(
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trackedTokensStartingWithEtherToken,
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this._renderTokenRow.bind(this, tokenColSpan, actionPaddingX),
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);
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return tableRows;
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}
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private _renderTokenRow(tokenColSpan: number, actionPaddingX: number, token: Token): React.ReactNode {
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const tokenState = this.state.trackedTokenStateByAddress[token.address];
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const tokenLink = sharedUtils.getEtherScanLinkIfExists(
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token.address,
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this.props.networkId,
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EtherscanLinkSuffixes.Address,
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);
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const isMintable =
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(_.includes(configs.SYMBOLS_OF_MINTABLE_KOVAN_TOKENS, token.symbol) &&
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this.props.networkId === sharedConstants.NETWORK_ID_BY_NAME[Networks.Kovan]) ||
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(_.includes(configs.SYMBOLS_OF_MINTABLE_RINKEBY_ROPSTEN_TOKENS, token.symbol) &&
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_.includes(
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[
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sharedConstants.NETWORK_ID_BY_NAME[Networks.Rinkeby],
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sharedConstants.NETWORK_ID_BY_NAME[Networks.Ropsten],
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],
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this.props.networkId,
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));
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return (
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<TableRow key={token.address} style={{ height: TOKEN_TABLE_ROW_HEIGHT }}>
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<TableRowColumn colSpan={tokenColSpan}>
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{_.isUndefined(tokenLink) ? (
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this._renderTokenName(token)
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) : (
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<a href={tokenLink} target="_blank" style={{ textDecoration: 'none' }}>
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{this._renderTokenName(token)}
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</a>
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)}
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</TableRowColumn>
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<TableRowColumn style={{ paddingRight: 3, paddingLeft: 3 }}>
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{tokenState.isLoaded ? (
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<span>
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{this._renderAmount(tokenState.balance, token.decimals)} {token.symbol}
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{this.state.isZRXSpinnerVisible &&
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token.symbol === ZRX_TOKEN_SYMBOL && (
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<span className="pl1">
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<i className="zmdi zmdi-spinner zmdi-hc-spin" />
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</span>
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)}
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</span>
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) : (
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<i className="zmdi zmdi-spinner zmdi-hc-spin" />
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)}
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</TableRowColumn>
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<TableRowColumn>
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<AllowanceToggle
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networkId={this.props.networkId}
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blockchain={this.props.blockchain}
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dispatcher={this.props.dispatcher}
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token={token}
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tokenState={tokenState}
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onErrorOccurred={this._onErrorOccurred.bind(this)}
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userAddress={this.props.userAddress}
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isDisabled={!tokenState.isLoaded}
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refetchTokenStateAsync={this._refetchTokenStateAsync.bind(this, token.address)}
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/>
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</TableRowColumn>
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<TableRowColumn style={{ paddingLeft: actionPaddingX, paddingRight: actionPaddingX }}>
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{isMintable && (
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<LifeCycleRaisedButton
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labelReady="Mint"
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labelLoading={<span style={{ fontSize: 12 }}>Minting...</span>}
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labelComplete="Minted!"
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onClickAsyncFn={this._onMintTestTokensAsync.bind(this, token)}
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/>
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)}
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{token.symbol === ZRX_TOKEN_SYMBOL &&
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utils.isTestNetwork(this.props.networkId) && (
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<LifeCycleRaisedButton
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labelReady="Request"
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labelLoading="Sending..."
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labelComplete="Sent!"
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onClickAsyncFn={this._faucetRequestAsync.bind(this, false)}
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/>
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)}
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</TableRowColumn>
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{this.props.screenWidth !== ScreenWidths.Sm && (
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<TableRowColumn
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style={{
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paddingLeft: actionPaddingX,
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paddingRight: actionPaddingX,
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}}
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>
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<SendButton
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userAddress={this.props.userAddress}
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networkId={this.props.networkId}
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blockchain={this.props.blockchain}
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dispatcher={this.props.dispatcher}
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token={token}
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onError={this._onSendFailed.bind(this)}
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lastForceTokenStateRefetch={this.props.lastForceTokenStateRefetch}
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refetchTokenStateAsync={this._refetchTokenStateAsync.bind(this, token.address)}
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/>
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</TableRowColumn>
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)}
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</TableRow>
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);
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}
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private _onAssetTokenPicked(tokenAddress: string): void {
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if (_.isEmpty(tokenAddress)) {
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this.setState({
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isTokenPickerOpen: false,
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});
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return;
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}
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const token = this.props.tokenByAddress[tokenAddress];
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const isDefaultTrackedToken = _.includes(configs.DEFAULT_TRACKED_TOKEN_SYMBOLS, token.symbol);
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if (!this.state.isAddingToken && !isDefaultTrackedToken) {
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if (token.isRegistered) {
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// Remove the token from tracked tokens
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const newToken = {
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...token,
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isTracked: false,
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};
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this.props.dispatcher.updateTokenByAddress([newToken]);
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} else {
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this.props.dispatcher.removeTokenToTokenByAddress(token);
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}
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trackedTokenStorage.removeTrackedToken(this.props.userAddress, this.props.networkId, tokenAddress);
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} else if (isDefaultTrackedToken) {
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this.props.dispatcher.showFlashMessage(`Cannot remove ${token.name} because it's a default token`);
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}
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this.setState({
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isTokenPickerOpen: false,
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});
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}
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private _onSendFailed(): void {
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this.setState({
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errorType: BalanceErrs.sendFailed,
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});
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}
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private _renderAmount(amount: BigNumber, decimals: number): React.ReactNode {
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const unitAmount = ZeroEx.toUnitAmount(amount, decimals);
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return unitAmount.toNumber().toFixed(configs.AMOUNT_DISPLAY_PRECSION);
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}
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private _renderTokenName(token: Token): React.ReactNode {
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const tooltipId = `tooltip-${token.address}`;
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return (
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<div className="flex">
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<TokenIcon token={token} diameter={ICON_DIMENSION} />
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<div data-tip={true} data-for={tooltipId} className="mt2 ml2 sm-hide xs-hide">
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|
{token.name}
|
|
</div>
|
|
<ReactTooltip id={tooltipId}>{token.address}</ReactTooltip>
|
|
</div>
|
|
);
|
|
}
|
|
private _renderErrorDialogBody(): React.ReactNode {
|
|
switch (this.state.errorType) {
|
|
case BalanceErrs.incorrectNetworkForFaucet:
|
|
return (
|
|
<div>
|
|
Our faucet can only send test Ether to addresses on testnets. Please make sure you are connected
|
|
to a testnet and try requesting again.
|
|
</div>
|
|
);
|
|
|
|
case BalanceErrs.faucetRequestFailed:
|
|
return (
|
|
<div>
|
|
An unexpected error occurred while trying to request test Ether from our faucet. Please refresh
|
|
the page and try again.
|
|
</div>
|
|
);
|
|
|
|
case BalanceErrs.faucetQueueIsFull:
|
|
return <div>Our test Ether faucet queue is full. Please try requesting test Ether again later.</div>;
|
|
|
|
case BalanceErrs.mintingFailed:
|
|
return <div>Minting your test tokens failed unexpectedly. Please refresh the page and try again.</div>;
|
|
|
|
case BalanceErrs.allowanceSettingFailed:
|
|
return (
|
|
<div>
|
|
An unexpected error occurred while trying to set your test token allowance. Please refresh the
|
|
page and try again.
|
|
</div>
|
|
);
|
|
|
|
case undefined:
|
|
return null; // No error to show
|
|
|
|
default:
|
|
throw utils.spawnSwitchErr('errorType', this.state.errorType);
|
|
}
|
|
}
|
|
private _onErrorOccurred(errorType: BalanceErrs): void {
|
|
this.setState({
|
|
errorType,
|
|
});
|
|
}
|
|
private async _onMintTestTokensAsync(token: Token): Promise<boolean> {
|
|
try {
|
|
await this.props.blockchain.mintTestTokensAsync(token);
|
|
await this._refetchTokenStateAsync(token.address);
|
|
const amount = ZeroEx.toUnitAmount(constants.MINT_AMOUNT, token.decimals);
|
|
this.props.dispatcher.showFlashMessage(`Successfully minted ${amount.toString(10)} ${token.symbol}`);
|
|
return true;
|
|
} catch (err) {
|
|
const errMsg = `${err}`;
|
|
if (_.includes(errMsg, BlockchainCallErrs.UserHasNoAssociatedAddresses)) {
|
|
this.props.dispatcher.updateShouldBlockchainErrDialogBeOpen(true);
|
|
return false;
|
|
}
|
|
if (utils.didUserDenyWeb3Request(errMsg)) {
|
|
return false;
|
|
}
|
|
logUtils.log(`Unexpected error encountered: ${err}`);
|
|
logUtils.log(err.stack);
|
|
this.setState({
|
|
errorType: BalanceErrs.mintingFailed,
|
|
});
|
|
await errorReporter.reportAsync(err);
|
|
return false;
|
|
}
|
|
}
|
|
private async _faucetRequestAsync(isEtherRequest: boolean): Promise<boolean> {
|
|
if (this.props.userAddress === '') {
|
|
this.props.dispatcher.updateShouldBlockchainErrDialogBeOpen(true);
|
|
return false;
|
|
}
|
|
|
|
// If on another network other then the testnet our faucet serves test ether
|
|
// from, we must show user an error message
|
|
if (!utils.isTestNetwork(this.props.blockchain.networkId)) {
|
|
this.setState({
|
|
errorType: BalanceErrs.incorrectNetworkForFaucet,
|
|
});
|
|
return false;
|
|
}
|
|
|
|
await utils.sleepAsync(ARTIFICIAL_FAUCET_REQUEST_DELAY);
|
|
|
|
const segment = isEtherRequest ? 'ether' : 'zrx';
|
|
const response = await fetch(
|
|
`${constants.URL_TESTNET_FAUCET}/${segment}/${this.props.userAddress}?networkId=${this.props.networkId}`,
|
|
);
|
|
const responseBody = await response.text();
|
|
if (response.status !== constants.SUCCESS_STATUS) {
|
|
logUtils.log(`Unexpected status code: ${response.status} -> ${responseBody}`);
|
|
const errorType =
|
|
response.status === constants.UNAVAILABLE_STATUS
|
|
? BalanceErrs.faucetQueueIsFull
|
|
: BalanceErrs.faucetRequestFailed;
|
|
this.setState({
|
|
errorType,
|
|
});
|
|
await errorReporter.reportAsync(new Error(`Faucet returned non-200: ${JSON.stringify(response)}`));
|
|
return false;
|
|
}
|
|
|
|
if (isEtherRequest) {
|
|
this.setState({
|
|
isBalanceSpinnerVisible: true,
|
|
});
|
|
} else {
|
|
this.setState({
|
|
isZRXSpinnerVisible: true,
|
|
});
|
|
// tslint:disable-next-line:no-floating-promises
|
|
this._startPollingZrxBalanceAsync();
|
|
}
|
|
return true;
|
|
}
|
|
private _onErrorDialogToggle(isOpen: boolean): void {
|
|
this.setState({
|
|
errorType: undefined,
|
|
});
|
|
}
|
|
private _onAddTokenClicked(): void {
|
|
this.setState({
|
|
isTokenPickerOpen: true,
|
|
isAddingToken: true,
|
|
});
|
|
}
|
|
private _onRemoveTokenClicked(): void {
|
|
this.setState({
|
|
isTokenPickerOpen: true,
|
|
isAddingToken: false,
|
|
});
|
|
}
|
|
private async _startPollingZrxBalanceAsync(): Promise<void> {
|
|
const tokens = _.values(this.props.tokenByAddress);
|
|
const zrxToken = _.find(tokens, t => t.symbol === ZRX_TOKEN_SYMBOL);
|
|
|
|
// tslint:disable-next-line:no-floating-promises
|
|
const balance = await this.props.blockchain.pollTokenBalanceAsync(zrxToken);
|
|
const trackedTokenStateByAddress = this.state.trackedTokenStateByAddress;
|
|
trackedTokenStateByAddress[zrxToken.address] = {
|
|
...trackedTokenStateByAddress[zrxToken.address],
|
|
balance,
|
|
};
|
|
this.setState({
|
|
isZRXSpinnerVisible: false,
|
|
});
|
|
}
|
|
private async _fetchBalancesAndAllowancesAsync(tokenAddresses: string[]): Promise<void> {
|
|
const trackedTokenStateByAddress = this.state.trackedTokenStateByAddress;
|
|
const userAddressIfExists = _.isEmpty(this.props.userAddress) ? undefined : this.props.userAddress;
|
|
for (const tokenAddress of tokenAddresses) {
|
|
const [balance, allowance] = await this.props.blockchain.getTokenBalanceAndAllowanceAsync(
|
|
userAddressIfExists,
|
|
tokenAddress,
|
|
);
|
|
trackedTokenStateByAddress[tokenAddress] = {
|
|
balance,
|
|
allowance,
|
|
isLoaded: true,
|
|
};
|
|
}
|
|
if (!this._isUnmounted) {
|
|
this.setState({
|
|
trackedTokenStateByAddress,
|
|
});
|
|
}
|
|
}
|
|
private _getInitialTrackedTokenStateByAddress(trackedTokens: Token[]): TokenStateByAddress {
|
|
const trackedTokenStateByAddress: TokenStateByAddress = {};
|
|
_.each(trackedTokens, token => {
|
|
trackedTokenStateByAddress[token.address] = {
|
|
balance: new BigNumber(0),
|
|
allowance: new BigNumber(0),
|
|
isLoaded: false,
|
|
};
|
|
});
|
|
return trackedTokenStateByAddress;
|
|
}
|
|
private async _refetchTokenStateAsync(tokenAddress: string): Promise<void> {
|
|
const userAddressIfExists = _.isEmpty(this.props.userAddress) ? undefined : this.props.userAddress;
|
|
const [balance, allowance] = await this.props.blockchain.getTokenBalanceAndAllowanceAsync(
|
|
userAddressIfExists,
|
|
tokenAddress,
|
|
);
|
|
this.setState({
|
|
trackedTokenStateByAddress: {
|
|
...this.state.trackedTokenStateByAddress,
|
|
[tokenAddress]: {
|
|
balance,
|
|
allowance,
|
|
isLoaded: true,
|
|
},
|
|
},
|
|
});
|
|
}
|
|
} // tslint:disable:max-file-line-count
|