import { ZeroEx } from '0x.js'; import { BigNumber } from '@0xproject/utils'; import DharmaLoanFrame from 'dharma-loan-frame'; import * as _ from 'lodash'; import Dialog from 'material-ui/Dialog'; import Divider from 'material-ui/Divider'; import FlatButton from 'material-ui/FlatButton'; import FloatingActionButton from 'material-ui/FloatingActionButton'; import RaisedButton from 'material-ui/RaisedButton'; import ContentAdd from 'material-ui/svg-icons/content/add'; import ContentRemove from 'material-ui/svg-icons/content/remove'; import { Table, TableBody, TableHeader, TableHeaderColumn, TableRow, TableRowColumn } from 'material-ui/Table'; import * as React from 'react'; import ReactTooltip = require('react-tooltip'); import firstBy = require('thenby'); import { Blockchain } from 'ts/blockchain'; import { AssetPicker } from 'ts/components/generate_order/asset_picker'; import { AllowanceToggle } from 'ts/components/inputs/allowance_toggle'; import { SendButton } from 'ts/components/send_button'; import { HelpTooltip } from 'ts/components/ui/help_tooltip'; import { LifeCycleRaisedButton } from 'ts/components/ui/lifecycle_raised_button'; import { TokenIcon } from 'ts/components/ui/token_icon'; import { trackedTokenStorage } from 'ts/local_storage/tracked_token_storage'; import { Dispatcher } from 'ts/redux/dispatcher'; import { BalanceErrs, BlockchainCallErrs, BlockchainErrs, EtherscanLinkSuffixes, Networks, ScreenWidths, Styles, Token, TokenByAddress, TokenVisibility, } from 'ts/types'; import { colors } from 'ts/utils/colors'; import { configs } from 'ts/utils/configs'; import { constants } from 'ts/utils/constants'; import { errorReporter } from 'ts/utils/error_reporter'; import { utils } from 'ts/utils/utils'; const ETHER_ICON_PATH = '/images/ether.png'; const ETHER_TOKEN_SYMBOL = 'WETH'; const ZRX_TOKEN_SYMBOL = 'ZRX'; const PRECISION = 5; const ICON_DIMENSION = 40; const ARTIFICIAL_FAUCET_REQUEST_DELAY = 1000; const TOKEN_TABLE_ROW_HEIGHT = 60; const MAX_TOKEN_TABLE_HEIGHT = 420; const TOKEN_COL_SPAN_LG = 2; const TOKEN_COL_SPAN_SM = 1; const styles: Styles = { bgColor: { backgroundColor: colors.grey50, }, }; interface TokenStateByAddress { [address: string]: { balance: BigNumber; allowance: BigNumber; isLoaded: boolean; }; } interface TokenBalancesProps { blockchain: Blockchain; blockchainErr: BlockchainErrs; blockchainIsLoaded: boolean; dispatcher: Dispatcher; screenWidth: ScreenWidths; tokenByAddress: TokenByAddress; trackedTokens: Token[]; userAddress: string; userEtherBalance: BigNumber; networkId: number; lastForceTokenStateRefetch: number; } interface TokenBalancesState { errorType: BalanceErrs; isBalanceSpinnerVisible: boolean; isDharmaDialogVisible: boolean; isZRXSpinnerVisible: boolean; isTokenPickerOpen: boolean; isAddingToken: boolean; trackedTokenStateByAddress: TokenStateByAddress; } export class TokenBalances extends React.Component { private _isUnmounted: boolean; public constructor(props: TokenBalancesProps) { super(props); this._isUnmounted = false; const initialTrackedTokenStateByAddress = this._getInitialTrackedTokenStateByAddress(props.trackedTokens); this.state = { errorType: undefined, isBalanceSpinnerVisible: false, isZRXSpinnerVisible: false, isDharmaDialogVisible: DharmaLoanFrame.isAuthTokenPresent(), isTokenPickerOpen: false, isAddingToken: false, trackedTokenStateByAddress: initialTrackedTokenStateByAddress, }; } public componentWillMount() { const trackedTokenAddresses = _.keys(this.state.trackedTokenStateByAddress); // tslint:disable-next-line:no-floating-promises this._fetchBalancesAndAllowancesAsync(trackedTokenAddresses); } public componentWillUnmount() { this._isUnmounted = true; } public componentWillReceiveProps(nextProps: TokenBalancesProps) { if (nextProps.userEtherBalance !== this.props.userEtherBalance) { if (this.state.isBalanceSpinnerVisible) { const receivedAmount = nextProps.userEtherBalance.minus(this.props.userEtherBalance); const networkName = constants.NETWORK_NAME_BY_ID[this.props.networkId]; this.props.dispatcher.showFlashMessage(`Received ${receivedAmount.toString(10)} ${networkName} Ether`); } this.setState({ isBalanceSpinnerVisible: false, }); } if ( nextProps.userAddress !== this.props.userAddress || nextProps.networkId !== this.props.networkId || nextProps.lastForceTokenStateRefetch !== this.props.lastForceTokenStateRefetch ) { const trackedTokenAddresses = _.keys(this.state.trackedTokenStateByAddress); // tslint:disable-next-line:no-floating-promises this._fetchBalancesAndAllowancesAsync(trackedTokenAddresses); } if (!_.isEqual(nextProps.trackedTokens, this.props.trackedTokens)) { const newTokens = _.difference(nextProps.trackedTokens, this.props.trackedTokens); const newTokenAddresses = _.map(newTokens, token => token.address); // Add placeholder entry for this token to the state, since fetching the // balance/allowance is asynchronous const trackedTokenStateByAddress = this.state.trackedTokenStateByAddress; for (const tokenAddress of newTokenAddresses) { trackedTokenStateByAddress[tokenAddress] = { balance: new BigNumber(0), allowance: new BigNumber(0), isLoaded: false, }; } this.setState({ trackedTokenStateByAddress, }); // Fetch the actual balance/allowance. // tslint:disable-next-line:no-floating-promises this._fetchBalancesAndAllowancesAsync(newTokenAddresses); } } public componentDidMount() { window.scrollTo(0, 0); } public render() { const errorDialogActions = [ , ]; const dharmaDialogActions = [ , ]; const isTestNetwork = utils.isTestNetwork(this.props.networkId); const isKovanTestNetwork = this.props.networkId === constants.NETWORK_ID_KOVAN; const dharmaButtonColumnStyle = { paddingLeft: 3, display: isKovanTestNetwork ? 'table-cell' : 'none', }; const stubColumnStyle = { display: isTestNetwork ? 'none' : 'table-cell', }; const allTokenRowHeight = _.size(this.props.tokenByAddress) * TOKEN_TABLE_ROW_HEIGHT; const tokenTableHeight = allTokenRowHeight < MAX_TOKEN_TABLE_HEIGHT ? allTokenRowHeight : MAX_TOKEN_TABLE_HEIGHT; const isSmallScreen = this.props.screenWidth === ScreenWidths.Sm; const tokenColSpan = isSmallScreen ? TOKEN_COL_SPAN_SM : TOKEN_COL_SPAN_LG; const dharmaLoanExplanation = 'If you need access to larger amounts of ether,
\ you can request a loan from the Dharma Loan
\ network. Your loan should be funded in 5
\ minutes or less.'; const allowanceExplanation = '0x smart contracts require access to your
\ token balances in order to execute trades.
\ Toggling sets an allowance for the
\ smart contract so you can start trading that token.'; return (

{isTestNetwork ? 'Test ether' : 'Ether'}

{isTestNetwork ? 'In order to try out the 0x Portal Dapp, request some test ether to pay for \ gas costs. It might take a bit of time for the test ether to show up.' : 'Ether must be converted to Ether Tokens in order to be tradable via 0x. \ You can convert between Ether and Ether Tokens from the "Wrap ETH" tab.'}
Currency Balance {isTestNetwork && ( {isSmallScreen ? 'Faucet' : 'Request from faucet'} )} {isKovanTestNetwork && ( {isSmallScreen ? 'Loan' : 'Request Dharma loan'} )} {this.props.userEtherBalance.toFixed(PRECISION)} ETH {this.state.isBalanceSpinnerVisible && ( )} {isTestNetwork && ( )} {isKovanTestNetwork && ( )}

{isTestNetwork ? 'Test tokens' : 'Tokens'}

{isTestNetwork ? "Mint some test tokens you'd like to use to generate or fill an order using 0x." : "Set trading permissions for a token you'd like to start trading."}
Token Balance
Allowance
Action {this.props.screenWidth !== ScreenWidths.Sm && Send}
{this._renderTokenTableRows()}
{this._renderErrorDialogBody()} {this._renderDharmaLoanFrame()}
); } private _renderTokenTableRows() { if (!this.props.blockchainIsLoaded || this.props.blockchainErr !== BlockchainErrs.NoError) { return ''; } const isSmallScreen = this.props.screenWidth === ScreenWidths.Sm; const tokenColSpan = isSmallScreen ? TOKEN_COL_SPAN_SM : TOKEN_COL_SPAN_LG; const actionPaddingX = isSmallScreen ? 2 : 24; const trackedTokens = this.props.trackedTokens; const trackedTokensStartingWithEtherToken = trackedTokens.sort( firstBy((t: Token) => t.symbol !== ETHER_TOKEN_SYMBOL) .thenBy((t: Token) => t.symbol !== ZRX_TOKEN_SYMBOL) .thenBy('address'), ); const tableRows = _.map( trackedTokensStartingWithEtherToken, this._renderTokenRow.bind(this, tokenColSpan, actionPaddingX), ); return tableRows; } private _renderTokenRow(tokenColSpan: number, actionPaddingX: number, token: Token) { const tokenState = this.state.trackedTokenStateByAddress[token.address]; const tokenLink = utils.getEtherScanLinkIfExists( token.address, this.props.networkId, EtherscanLinkSuffixes.Address, ); const isMintable = (_.includes(configs.SYMBOLS_OF_MINTABLE_KOVAN_TOKENS, token.symbol) && this.props.networkId === constants.NETWORK_ID_BY_NAME[Networks.Kovan]) || (_.includes(configs.SYMBOLS_OF_MINTABLE_RINKEBY_ROPSTEN_TOKENS, token.symbol) && _.includes( [constants.NETWORK_ID_BY_NAME[Networks.Rinkeby], constants.NETWORK_ID_BY_NAME[Networks.Ropsten]], this.props.networkId, )); return ( {_.isUndefined(tokenLink) ? ( this._renderTokenName(token) ) : ( {this._renderTokenName(token)} )} {tokenState.isLoaded ? ( {this._renderAmount(tokenState.balance, token.decimals)} {token.symbol} {this.state.isZRXSpinnerVisible && token.symbol === ZRX_TOKEN_SYMBOL && ( )} ) : ( )} {isMintable && ( Minting...} labelComplete="Minted!" onClickAsyncFn={this._onMintTestTokensAsync.bind(this, token)} /> )} {token.symbol === ZRX_TOKEN_SYMBOL && utils.isTestNetwork(this.props.networkId) && ( )} {this.props.screenWidth !== ScreenWidths.Sm && ( )} ); } private _onAssetTokenPicked(tokenAddress: string) { if (_.isEmpty(tokenAddress)) { this.setState({ isTokenPickerOpen: false, }); return; } const token = this.props.tokenByAddress[tokenAddress]; const isDefaultTrackedToken = _.includes(configs.DEFAULT_TRACKED_TOKEN_SYMBOLS, token.symbol); if (!this.state.isAddingToken && !isDefaultTrackedToken) { if (token.isRegistered) { // Remove the token from tracked tokens const newToken = { ...token, isTracked: false, }; this.props.dispatcher.updateTokenByAddress([newToken]); } else { this.props.dispatcher.removeTokenToTokenByAddress(token); } trackedTokenStorage.removeTrackedToken(this.props.userAddress, this.props.networkId, tokenAddress); } else if (isDefaultTrackedToken) { this.props.dispatcher.showFlashMessage(`Cannot remove ${token.name} because it's a default token`); } this.setState({ isTokenPickerOpen: false, }); } private _onSendFailed() { this.setState({ errorType: BalanceErrs.sendFailed, }); } private _renderAmount(amount: BigNumber, decimals: number) { const unitAmount = ZeroEx.toUnitAmount(amount, decimals); return unitAmount.toNumber().toFixed(PRECISION); } private _renderTokenName(token: Token) { const tooltipId = `tooltip-${token.address}`; return (
{token.name}
{token.address}
); } private _renderErrorDialogBody() { switch (this.state.errorType) { case BalanceErrs.incorrectNetworkForFaucet: return (
Our faucet can only send test Ether to addresses on testnets. Please make sure you are connected to a testnet and try requesting again.
); case BalanceErrs.faucetRequestFailed: return (
An unexpected error occurred while trying to request test Ether from our faucet. Please refresh the page and try again.
); case BalanceErrs.faucetQueueIsFull: return
Our test Ether faucet queue is full. Please try requesting test Ether again later.
; case BalanceErrs.mintingFailed: return
Minting your test tokens failed unexpectedly. Please refresh the page and try again.
; case BalanceErrs.allowanceSettingFailed: return (
An unexpected error occurred while trying to set your test token allowance. Please refresh the page and try again.
); case undefined: return null; // No error to show default: throw utils.spawnSwitchErr('errorType', this.state.errorType); } } private _renderDharmaLoanFrame() { if (utils.isUserOnMobile()) { return (

We apologize -- Dharma loan requests are not available on mobile yet. Please try again through your desktop browser.

); } else { return ( ); } } private _onErrorOccurred(errorType: BalanceErrs) { this.setState({ errorType, }); } private async _onMintTestTokensAsync(token: Token): Promise { 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; } utils.consoleLog(`Unexpected error encountered: ${err}`); utils.consoleLog(err.stack); this.setState({ errorType: BalanceErrs.mintingFailed, }); await errorReporter.reportAsync(err); return false; } } private async _faucetRequestAsync(isEtherRequest: boolean): Promise { if (this.props.userAddress === '') { this.props.dispatcher.updateShouldBlockchainErrDialogBeOpen(true); return false; } // If on another network other then the testnet our faucet serves test ether // from, we must show user an error message if (!utils.isTestNetwork(this.props.blockchain.networkId)) { this.setState({ errorType: BalanceErrs.incorrectNetworkForFaucet, }); return false; } await utils.sleepAsync(ARTIFICIAL_FAUCET_REQUEST_DELAY); const segment = isEtherRequest ? 'ether' : 'zrx'; const response = await fetch( `${constants.URL_TESTNET_FAUCET}/${segment}/${this.props.userAddress}?networkId=${this.props.networkId}`, ); const responseBody = await response.text(); if (response.status !== constants.SUCCESS_STATUS) { utils.consoleLog(`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) { this.setState({ errorType: undefined, }); } private _onDharmaDialogToggle() { this.setState({ isDharmaDialogVisible: !this.state.isDharmaDialogVisible, }); } private _onAddTokenClicked() { this.setState({ isTokenPickerOpen: true, isAddingToken: true, }); } private _onRemoveTokenClicked() { this.setState({ isTokenPickerOpen: true, isAddingToken: false, }); } private async _startPollingZrxBalanceAsync() { 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[]) { const trackedTokenStateByAddress = this.state.trackedTokenStateByAddress; for (const tokenAddress of tokenAddresses) { const [balance, allowance] = await this.props.blockchain.getTokenBalanceAndAllowanceAsync( this.props.userAddress, tokenAddress, ); trackedTokenStateByAddress[tokenAddress] = { balance, allowance, isLoaded: true, }; } if (!this._isUnmounted) { this.setState({ trackedTokenStateByAddress, }); } } private _getInitialTrackedTokenStateByAddress(trackedTokens: Token[]) { 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) { const [balance, allowance] = await this.props.blockchain.getTokenBalanceAndAllowanceAsync( this.props.userAddress, tokenAddress, ); this.setState({ trackedTokenStateByAddress: { ...this.state.trackedTokenStateByAddress, [tokenAddress]: { balance, allowance, isLoaded: true, }, }, }); } } // tslint:disable:max-file-line-count