483 lines
21 KiB
TypeScript
483 lines
21 KiB
TypeScript
import { ContractWrappersError, ExchangeContractErrs } from '@0xproject/contract-wrappers';
|
|
import { OrderError } from '@0xproject/order-utils';
|
|
import { constants as sharedConstants, Networks } from '@0xproject/react-shared';
|
|
import { ECSignature, Provider } from '@0xproject/types';
|
|
import { BigNumber } from '@0xproject/utils';
|
|
import { Web3Wrapper } from '@0xproject/web3-wrapper';
|
|
import * as bowser from 'bowser';
|
|
import deepEqual = require('deep-equal');
|
|
import * as _ from 'lodash';
|
|
import * as moment from 'moment';
|
|
import * as numeral from 'numeral';
|
|
|
|
import {
|
|
AccountState,
|
|
BlockchainCallErrs,
|
|
BrowserType,
|
|
Environments,
|
|
OperatingSystemType,
|
|
Order,
|
|
Providers,
|
|
ProviderType,
|
|
ScreenWidths,
|
|
Side,
|
|
SideToAssetToken,
|
|
Token,
|
|
TokenByAddress,
|
|
TokenState,
|
|
} from 'ts/types';
|
|
import { configs } from 'ts/utils/configs';
|
|
import { constants } from 'ts/utils/constants';
|
|
import * as u2f from 'ts/vendor/u2f_api';
|
|
|
|
const isDogfood = (): boolean => _.includes(window.location.href, configs.DOMAIN_DOGFOOD);
|
|
|
|
export const utils = {
|
|
assert(condition: boolean, message: string): void {
|
|
if (!condition) {
|
|
throw new Error(message);
|
|
}
|
|
},
|
|
isNumeric(n: string): boolean {
|
|
return !isNaN(parseFloat(n)) && isFinite(Number(n));
|
|
},
|
|
// This default unix timestamp is used for orders where the user does not specify an expiry date.
|
|
// It is a fixed constant so that both the redux store's INITIAL_STATE and components can check for
|
|
// whether a user has set an expiry date or not. It is set unrealistically high so as not to collide
|
|
// with actual values a user would select.
|
|
initialOrderExpiryUnixTimestampSec(): BigNumber {
|
|
const m = moment('2050-01-01');
|
|
return new BigNumber(m.unix());
|
|
},
|
|
convertToUnixTimestampSeconds(date: moment.Moment, time?: moment.Moment): BigNumber {
|
|
const finalMoment = date;
|
|
if (!_.isUndefined(time)) {
|
|
finalMoment.hours(time.hours());
|
|
finalMoment.minutes(time.minutes());
|
|
}
|
|
return new BigNumber(finalMoment.unix());
|
|
},
|
|
convertToMomentFromUnixTimestamp(unixTimestampSec: BigNumber): moment.Moment {
|
|
return moment.unix(unixTimestampSec.toNumber());
|
|
},
|
|
convertToReadableDateTimeFromUnixTimestamp(unixTimestampSec: BigNumber): string {
|
|
const m = this.convertToMomentFromUnixTimestamp(unixTimestampSec);
|
|
const formattedDate: string = m.format('h:MMa MMMM D YYYY');
|
|
return formattedDate;
|
|
},
|
|
generateOrder(
|
|
exchangeContractAddress: string,
|
|
sideToAssetToken: SideToAssetToken,
|
|
expirationUnixTimestampSec: BigNumber,
|
|
orderTakerAddress: string,
|
|
orderMakerAddress: string,
|
|
makerFee: BigNumber,
|
|
takerFee: BigNumber,
|
|
feeRecipient: string,
|
|
ecSignature: ECSignature,
|
|
tokenByAddress: TokenByAddress,
|
|
orderSalt: BigNumber,
|
|
): Order {
|
|
const makerToken = tokenByAddress[sideToAssetToken[Side.Deposit].address];
|
|
const takerToken = tokenByAddress[sideToAssetToken[Side.Receive].address];
|
|
const order = {
|
|
signedOrder: {
|
|
maker: orderMakerAddress,
|
|
taker: orderTakerAddress,
|
|
makerFee: makerFee.toString(),
|
|
takerFee: takerFee.toString(),
|
|
makerTokenAmount: sideToAssetToken[Side.Deposit].amount.toString(),
|
|
takerTokenAmount: sideToAssetToken[Side.Receive].amount.toString(),
|
|
makerTokenAddress: makerToken.address,
|
|
takerTokenAddress: takerToken.address,
|
|
expirationUnixTimestampSec: expirationUnixTimestampSec.toString(),
|
|
feeRecipient,
|
|
salt: orderSalt.toString(),
|
|
ecSignature,
|
|
exchangeContractAddress,
|
|
},
|
|
metadata: {
|
|
makerToken: {
|
|
name: makerToken.name,
|
|
symbol: makerToken.symbol,
|
|
decimals: makerToken.decimals,
|
|
},
|
|
takerToken: {
|
|
name: takerToken.name,
|
|
symbol: takerToken.symbol,
|
|
decimals: takerToken.decimals,
|
|
},
|
|
},
|
|
};
|
|
return order;
|
|
},
|
|
async sleepAsync(ms: number): Promise<NodeJS.Timer> {
|
|
return new Promise<NodeJS.Timer>(resolve => setTimeout(resolve, ms));
|
|
},
|
|
deepEqual(actual: any, expected: any, opts?: { strict: boolean }): boolean {
|
|
return deepEqual(actual, expected, opts);
|
|
},
|
|
getColSize(items: number): number {
|
|
const bassCssGridSize = 12; // Source: http://basscss.com/#basscss-grid
|
|
const colSize = bassCssGridSize / items;
|
|
if (!_.isInteger(colSize)) {
|
|
throw new Error(`Number of cols must be divisible by ${bassCssGridSize}`);
|
|
}
|
|
return colSize;
|
|
},
|
|
getScreenWidth(): ScreenWidths {
|
|
const documentEl = document.documentElement;
|
|
const body = document.getElementsByTagName('body')[0];
|
|
const widthInPx = window.innerWidth || documentEl.clientWidth || body.clientWidth;
|
|
const bodyStyles: any = window.getComputedStyle(document.querySelector('body'));
|
|
const widthInEm = widthInPx / parseFloat(bodyStyles['font-size']);
|
|
|
|
// This logic mirrors the CSS media queries in BassCSS for the `lg-`, `md-` and `sm-` CSS
|
|
// class prefixes. Do not edit these.
|
|
if (widthInEm > ScreenWidths.Lg) {
|
|
return ScreenWidths.Lg;
|
|
} else if (widthInEm > ScreenWidths.Md) {
|
|
return ScreenWidths.Md;
|
|
} else {
|
|
return ScreenWidths.Sm;
|
|
}
|
|
},
|
|
async isU2FSupportedAsync(): Promise<boolean> {
|
|
const w = window as any;
|
|
return new Promise((resolve: (isSupported: boolean) => void) => {
|
|
if (w.u2f && !w.u2f.getApiVersion) {
|
|
// u2f object was found (Firefox with extension)
|
|
resolve(true);
|
|
} else {
|
|
// u2f object was not found. Using Google polyfill
|
|
// HACK: u2f.getApiVersion will simply not return a version if the
|
|
// U2F call fails for any reason. Because of this, we set a hard 3sec
|
|
// timeout to the request on our end.
|
|
const getApiVersionTimeoutMs = 3000;
|
|
const intervalId = setTimeout(() => {
|
|
resolve(false);
|
|
}, getApiVersionTimeoutMs);
|
|
u2f.getApiVersion((_version: number) => {
|
|
clearTimeout(intervalId);
|
|
resolve(true);
|
|
});
|
|
}
|
|
});
|
|
},
|
|
// This checks the error message returned from an injected Web3 instance on the page
|
|
// after a user was prompted to sign a message or send a transaction and decided to
|
|
// reject the request.
|
|
didUserDenyWeb3Request(errMsg: string): boolean {
|
|
const metamaskDenialErrMsg = 'User denied';
|
|
const paritySignerDenialErrMsg = 'Request has been rejected';
|
|
const ledgerDenialErrMsg = 'Invalid status 6985';
|
|
const isUserDeniedErrMsg =
|
|
_.includes(errMsg, metamaskDenialErrMsg) ||
|
|
_.includes(errMsg, paritySignerDenialErrMsg) ||
|
|
_.includes(errMsg, ledgerDenialErrMsg);
|
|
return isUserDeniedErrMsg;
|
|
},
|
|
getCurrentEnvironment(): string {
|
|
switch (location.host) {
|
|
case configs.DOMAIN_DEVELOPMENT:
|
|
return 'development';
|
|
case configs.DOMAIN_STAGING:
|
|
return 'staging';
|
|
case configs.DOMAIN_PRODUCTION:
|
|
return 'production';
|
|
default:
|
|
return 'production';
|
|
}
|
|
},
|
|
getAddressBeginAndEnd(address: string): string {
|
|
const truncatedAddress = `${address.substring(0, 6)}...${address.substr(-4)}`; // 0x3d5a...b287
|
|
return truncatedAddress;
|
|
},
|
|
getReadableAccountState(accountState: AccountState, userAddress: string): string {
|
|
switch (accountState) {
|
|
case AccountState.Loading:
|
|
return 'Loading...';
|
|
case AccountState.Ready:
|
|
return utils.getAddressBeginAndEnd(userAddress);
|
|
case AccountState.Locked:
|
|
return 'Please Unlock';
|
|
case AccountState.Disconnected:
|
|
return 'Connect a Wallet';
|
|
default:
|
|
return '';
|
|
}
|
|
},
|
|
getAccountState(
|
|
isBlockchainReady: boolean,
|
|
providerType: ProviderType,
|
|
injectedProviderName: string,
|
|
userAddress?: string,
|
|
): AccountState {
|
|
const isAddressAvailable = !_.isUndefined(userAddress) && !_.isEmpty(userAddress);
|
|
const isExternallyInjectedProvider = utils.isExternallyInjected(providerType, injectedProviderName);
|
|
if (!isBlockchainReady) {
|
|
return AccountState.Loading;
|
|
} else if (isAddressAvailable) {
|
|
return AccountState.Ready;
|
|
// tslint:disable-next-line: prefer-conditional-expression
|
|
} else if (isExternallyInjectedProvider) {
|
|
return AccountState.Locked;
|
|
} else {
|
|
return AccountState.Disconnected;
|
|
}
|
|
},
|
|
hasUniqueNameAndSymbol(tokens: Token[], token: Token): boolean {
|
|
if (token.isRegistered) {
|
|
return true; // Since it's registered, it is the canonical token
|
|
}
|
|
const registeredTokens = _.filter(tokens, t => t.isRegistered);
|
|
const tokenWithSameNameIfExists = _.find(registeredTokens, {
|
|
name: token.name,
|
|
});
|
|
const isUniqueName = _.isUndefined(tokenWithSameNameIfExists);
|
|
const tokenWithSameSymbolIfExists = _.find(registeredTokens, {
|
|
name: token.symbol,
|
|
});
|
|
const isUniqueSymbol = _.isUndefined(tokenWithSameSymbolIfExists);
|
|
return isUniqueName && isUniqueSymbol;
|
|
},
|
|
zeroExErrToHumanReadableErrMsg(error: ContractWrappersError | ExchangeContractErrs, takerAddress: string): string {
|
|
const ContractWrappersErrorToHumanReadableError: { [error: string]: string } = {
|
|
[ContractWrappersError.ExchangeContractDoesNotExist]: 'Exchange contract does not exist',
|
|
[ContractWrappersError.EtherTokenContractDoesNotExist]: 'EtherToken contract does not exist',
|
|
[ContractWrappersError.TokenTransferProxyContractDoesNotExist]:
|
|
'TokenTransferProxy contract does not exist',
|
|
[ContractWrappersError.TokenRegistryContractDoesNotExist]: 'TokenRegistry contract does not exist',
|
|
[ContractWrappersError.TokenContractDoesNotExist]: 'Token contract does not exist',
|
|
[ContractWrappersError.ZRXContractDoesNotExist]: 'ZRX contract does not exist',
|
|
[BlockchainCallErrs.UserHasNoAssociatedAddresses]: 'User has no addresses available',
|
|
[OrderError.InvalidSignature]: 'Order signature is not valid',
|
|
[ContractWrappersError.ContractNotDeployedOnNetwork]: 'Contract is not deployed on the detected network',
|
|
[ContractWrappersError.InvalidJump]: 'Invalid jump occured while executing the transaction',
|
|
[ContractWrappersError.OutOfGas]: 'Transaction ran out of gas',
|
|
};
|
|
const exchangeContractErrorToHumanReadableError: {
|
|
[error: string]: string;
|
|
} = {
|
|
[ExchangeContractErrs.OrderFillExpired]: 'This order has expired',
|
|
[ExchangeContractErrs.OrderCancelExpired]: 'This order has expired',
|
|
[ExchangeContractErrs.OrderCancelAmountZero]: "Order cancel amount can't be 0",
|
|
[ExchangeContractErrs.OrderAlreadyCancelledOrFilled]:
|
|
'This order has already been completely filled or cancelled',
|
|
[ExchangeContractErrs.OrderFillAmountZero]: "Order fill amount can't be 0",
|
|
[ExchangeContractErrs.OrderRemainingFillAmountZero]:
|
|
'This order has already been completely filled or cancelled',
|
|
[ExchangeContractErrs.OrderFillRoundingError]:
|
|
'Rounding error will occur when filling this order. Please try filling a different amount.',
|
|
[ExchangeContractErrs.InsufficientTakerBalance]:
|
|
'Taker no longer has a sufficient balance to complete this order',
|
|
[ExchangeContractErrs.InsufficientTakerAllowance]:
|
|
'Taker no longer has a sufficient allowance to complete this order',
|
|
[ExchangeContractErrs.InsufficientMakerBalance]:
|
|
'Maker no longer has a sufficient balance to complete this order',
|
|
[ExchangeContractErrs.InsufficientMakerAllowance]:
|
|
'Maker no longer has a sufficient allowance to complete this order',
|
|
[ExchangeContractErrs.InsufficientTakerFeeBalance]: 'Taker no longer has a sufficient balance to pay fees',
|
|
[ExchangeContractErrs.InsufficientTakerFeeAllowance]:
|
|
'Taker no longer has a sufficient allowance to pay fees',
|
|
[ExchangeContractErrs.InsufficientMakerFeeBalance]: 'Maker no longer has a sufficient balance to pay fees',
|
|
[ExchangeContractErrs.InsufficientMakerFeeAllowance]:
|
|
'Maker no longer has a sufficient allowance to pay fees',
|
|
[ExchangeContractErrs.TransactionSenderIsNotFillOrderTaker]: `This order can only be filled by ${takerAddress}`,
|
|
[ExchangeContractErrs.InsufficientRemainingFillAmount]: 'Insufficient remaining fill amount',
|
|
};
|
|
const humanReadableErrorMsg =
|
|
exchangeContractErrorToHumanReadableError[error] || ContractWrappersErrorToHumanReadableError[error];
|
|
return humanReadableErrorMsg;
|
|
},
|
|
isParityNode(nodeVersion: string): boolean {
|
|
return _.includes(nodeVersion, 'Parity');
|
|
},
|
|
isTestRpc(nodeVersion: string): boolean {
|
|
return _.includes(nodeVersion, 'TestRPC');
|
|
},
|
|
isTestNetwork(networkId: number): boolean {
|
|
const isTestNetwork = _.includes(
|
|
[
|
|
sharedConstants.NETWORK_ID_BY_NAME[Networks.Kovan],
|
|
sharedConstants.NETWORK_ID_BY_NAME[Networks.Rinkeby],
|
|
sharedConstants.NETWORK_ID_BY_NAME[Networks.Ropsten],
|
|
],
|
|
networkId,
|
|
);
|
|
return isTestNetwork;
|
|
},
|
|
getCurrentBaseUrl(): string {
|
|
const port = window.location.port;
|
|
const hasPort = !_.isUndefined(port);
|
|
const baseUrl = `https://${window.location.hostname}${hasPort ? `:${port}` : ''}`;
|
|
return baseUrl;
|
|
},
|
|
onPageLoadPromise: new Promise((resolve, _reject) => {
|
|
if (document.readyState === 'complete') {
|
|
resolve();
|
|
return;
|
|
}
|
|
window.onload = resolve;
|
|
}),
|
|
getProviderType(provider: Provider): Providers | string {
|
|
const constructorName = provider.constructor.name;
|
|
let parsedProviderName = constructorName;
|
|
// https://ethereum.stackexchange.com/questions/24266/elegant-way-to-detect-current-provider-int-web3-js
|
|
switch (constructorName) {
|
|
case 'EthereumProvider':
|
|
parsedProviderName = Providers.Mist;
|
|
break;
|
|
|
|
default:
|
|
parsedProviderName = constructorName;
|
|
break;
|
|
}
|
|
if ((provider as any).isParity) {
|
|
parsedProviderName = Providers.Parity;
|
|
} else if ((provider as any).isMetaMask) {
|
|
parsedProviderName = Providers.Metamask;
|
|
} else if (!_.isUndefined(_.get(window, 'SOFA'))) {
|
|
parsedProviderName = Providers.Toshi;
|
|
} else if (!_.isUndefined(_.get(window, '__CIPHER__'))) {
|
|
parsedProviderName = Providers.Cipher;
|
|
}
|
|
return parsedProviderName;
|
|
},
|
|
getBackendBaseUrl(): string {
|
|
return isDogfood() ? configs.BACKEND_BASE_STAGING_URL : configs.BACKEND_BASE_PROD_URL;
|
|
},
|
|
isDevelopment(): boolean {
|
|
return configs.ENVIRONMENT === Environments.DEVELOPMENT;
|
|
},
|
|
isStaging(): boolean {
|
|
return _.includes(window.location.href, configs.DOMAIN_STAGING);
|
|
},
|
|
isExternallyInjected(providerType: ProviderType, injectedProviderName: string): boolean {
|
|
return providerType === ProviderType.Injected && injectedProviderName !== constants.PROVIDER_NAME_PUBLIC;
|
|
},
|
|
isDogfood,
|
|
shouldShowPortalV2(): boolean {
|
|
// return this.isDevelopment() || this.isStaging() || this.isDogfood();
|
|
// TODO: Remove this method entirely after launch.
|
|
return true;
|
|
},
|
|
shouldShowJobsPage(): boolean {
|
|
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 token = _.find(tokens, { symbol });
|
|
return token;
|
|
},
|
|
getTrackedTokens(tokenByAddress: TokenByAddress): Token[] {
|
|
const allTokens = _.values(tokenByAddress);
|
|
const trackedTokens = _.filter(allTokens, t => this.isTokenTracked(t));
|
|
return trackedTokens;
|
|
},
|
|
getFormattedAmountFromToken(token: Token, tokenState: TokenState): string {
|
|
return utils.getFormattedAmount(tokenState.balance, token.decimals);
|
|
},
|
|
getFormattedAmount(amount: BigNumber, decimals: number): string {
|
|
const unitAmount = Web3Wrapper.toUnitAmount(amount, decimals);
|
|
// if the unit amount is less than 1, show the natural number of decimal places with a max of 4
|
|
// if the unit amount is greater than or equal to 1, show only 2 decimal places
|
|
const precision = unitAmount.lt(1)
|
|
? Math.min(constants.TOKEN_AMOUNT_DISPLAY_PRECISION, unitAmount.decimalPlaces())
|
|
: 2;
|
|
const format = `0,0.${_.repeat('0', precision)}`;
|
|
const formattedAmount = numeral(unitAmount).format(format);
|
|
return formattedAmount;
|
|
},
|
|
getUsdValueFormattedAmount(amount: BigNumber, decimals: number, price: BigNumber): string {
|
|
const unitAmount = Web3Wrapper.toUnitAmount(amount, decimals);
|
|
const value = unitAmount.mul(price);
|
|
return numeral(value).format(constants.NUMERAL_USD_FORMAT);
|
|
},
|
|
openUrl(url: string): void {
|
|
window.open(url, '_blank');
|
|
},
|
|
isMobileWidth(screenWidth: ScreenWidths): boolean {
|
|
return screenWidth === ScreenWidths.Sm;
|
|
},
|
|
isMobileOperatingSystem(): boolean {
|
|
return bowser.mobile;
|
|
},
|
|
getBrowserType(): BrowserType {
|
|
if (bowser.chrome) {
|
|
return BrowserType.Chrome;
|
|
} else if (bowser.firefox) {
|
|
return BrowserType.Firefox;
|
|
} else if (bowser.opera) {
|
|
return BrowserType.Opera;
|
|
} else {
|
|
return BrowserType.Other;
|
|
}
|
|
},
|
|
getOperatingSystem(): OperatingSystemType {
|
|
if (bowser.android) {
|
|
return OperatingSystemType.Android;
|
|
} else if (bowser.ios) {
|
|
return OperatingSystemType.iOS;
|
|
} else if (bowser.mac) {
|
|
return OperatingSystemType.Mac;
|
|
} else if (bowser.windows) {
|
|
return OperatingSystemType.Windows;
|
|
} else if (bowser.windowsphone) {
|
|
return OperatingSystemType.WindowsPhone;
|
|
} else if (bowser.linux) {
|
|
return OperatingSystemType.Linux;
|
|
} else {
|
|
return OperatingSystemType.Other;
|
|
}
|
|
},
|
|
isTokenTracked(token: Token): boolean {
|
|
return !_.isUndefined(token.trackedTimestamp);
|
|
},
|
|
// Returns a [downloadLink, isOnMobile] tuple.
|
|
getBestWalletDownloadLinkAndIsMobile(): [string, boolean] {
|
|
const browserType = utils.getBrowserType();
|
|
const isOnMobile = utils.isMobileOperatingSystem();
|
|
const operatingSystem = utils.getOperatingSystem();
|
|
let downloadLink;
|
|
if (isOnMobile) {
|
|
switch (operatingSystem) {
|
|
case OperatingSystemType.Android:
|
|
downloadLink = constants.URL_TOSHI_ANDROID_APP_STORE;
|
|
break;
|
|
case OperatingSystemType.iOS:
|
|
downloadLink = constants.URL_TOSHI_IOS_APP_STORE;
|
|
break;
|
|
default:
|
|
// Toshi is only supported on these mobile OSes - just default to iOS
|
|
downloadLink = constants.URL_TOSHI_IOS_APP_STORE;
|
|
}
|
|
} else {
|
|
switch (browserType) {
|
|
case BrowserType.Chrome:
|
|
downloadLink = constants.URL_METAMASK_CHROME_STORE;
|
|
break;
|
|
case BrowserType.Firefox:
|
|
downloadLink = constants.URL_METAMASK_FIREFOX_STORE;
|
|
break;
|
|
case BrowserType.Opera:
|
|
downloadLink = constants.URL_METAMASK_OPERA_STORE;
|
|
break;
|
|
default:
|
|
downloadLink = constants.URL_METAMASK_HOMEPAGE;
|
|
}
|
|
}
|
|
return [downloadLink, isOnMobile];
|
|
},
|
|
getTokenIconUrl(symbol: string): string {
|
|
const result = `/images/token_icons/${symbol}.png`;
|
|
return result;
|
|
},
|
|
};
|