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authorBrandon Millman <brandon.millman@gmail.com>2018-04-23 01:02:47 +0800
committerBrandon Millman <brandon.millman@gmail.com>2018-04-23 01:10:58 +0800
commite51f9b3593c86c5ab4ec0ecb7e7ea8a9857a7c74 (patch)
tree8845889c464221a2e02bd36618ba62aadcd98d82
parentd08bfbf7054d0d98680daab3d1fdc0ac878dcc16 (diff)
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Grab price information from crypto compare api
-rw-r--r--packages/website/ts/components/wallet/wallet.tsx45
-rw-r--r--packages/website/ts/utils/configs.ts1
2 files changed, 38 insertions, 8 deletions
diff --git a/packages/website/ts/components/wallet/wallet.tsx b/packages/website/ts/components/wallet/wallet.tsx
index d1ae38550..44bf69455 100644
--- a/packages/website/ts/components/wallet/wallet.tsx
+++ b/packages/website/ts/components/wallet/wallet.tsx
@@ -6,7 +6,7 @@ import {
Styles,
utils as sharedUtils,
} from '@0xproject/react-shared';
-import { BigNumber } from '@0xproject/utils';
+import { BigNumber, logUtils } from '@0xproject/utils';
import * as _ from 'lodash';
import FlatButton from 'material-ui/FlatButton';
import { List, ListItem } from 'material-ui/List';
@@ -37,7 +37,9 @@ import {
TokenStateByAddress,
} from 'ts/types';
import { backendClient } from 'ts/utils/backend_client';
+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';
import { styles as walletItemStyles } from 'ts/utils/wallet_item_styles';
@@ -491,15 +493,42 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
if (_.isEmpty(tokenAddresses)) {
return {};
}
- try {
- const websiteBackendPriceInfos = await backendClient.getPriceInfosAsync(tokenAddresses);
- const addresses = _.map(websiteBackendPriceInfos, info => info.address);
- const prices = _.map(websiteBackendPriceInfos, info => new BigNumber(info.price));
- const pricesByAddress = _.zipObject(addresses, prices);
- return pricesByAddress;
- } catch (err) {
+ // for each input token address, search for the corresponding symbol in this.props.tokenByAddress, if it exists
+ // create a mapping from existing symbols -> address
+ const tokenAddressBySymbol = _.fromPairs(
+ _.compact(
+ _.map(tokenAddresses, address => {
+ const tokenIfExists = _.get(this.props.tokenByAddress, address);
+ if (!_.isUndefined(tokenIfExists)) {
+ const symbol = tokenIfExists.symbol;
+ // the crypto compare api doesn't understand 'WETH' so we need to replace it with 'ETH'
+ const key = symbol === ETHER_TOKEN_SYMBOL ? ETHER_SYMBOL : symbol;
+ return [key, address];
+ } else {
+ return undefined;
+ }
+ }),
+ ),
+ );
+ const joinedTokenSymbols = _.keys(tokenAddressBySymbol).join(',');
+ const url = `${configs.CRYPTO_COMPARE_BASE_URL}/pricemulti?fsyms=${joinedTokenSymbols}&tsyms=USD`;
+ const response = await fetch(url);
+ if (response.status !== 200) {
+ const errorText = `Error requesting url: ${url}, ${response.status}: ${response.statusText}`;
+ logUtils.log(errorText);
+ const error = Error(errorText);
+ // tslint:disable-next-line:no-floating-promises
+ errorReporter.reportAsync(error);
return {};
}
+ const priceInfoBySymbol = await response.json();
+ const priceInfoByAddress = _.mapKeys(priceInfoBySymbol, (value, symbol) => _.get(tokenAddressBySymbol, symbol));
+ const result = _.mapValues(priceInfoByAddress, priceInfo => {
+ const price = _.get(priceInfo, 'USD');
+ const priceBigNumber = new BigNumber(price);
+ return priceBigNumber;
+ });
+ return result;
}
private _openWrappedEtherActionRow(wrappedEtherDirection: Side) {
this.setState({
diff --git a/packages/website/ts/utils/configs.ts b/packages/website/ts/utils/configs.ts
index a54fc56a8..edfd04291 100644
--- a/packages/website/ts/utils/configs.ts
+++ b/packages/website/ts/utils/configs.ts
@@ -13,6 +13,7 @@ export const configs = {
BACKEND_BASE_URL: 'https://website-api.0xproject.com',
BASE_URL,
BITLY_ACCESS_TOKEN: 'ffc4c1a31e5143848fb7c523b39f91b9b213d208',
+ CRYPTO_COMPARE_BASE_URL: 'https://min-api.cryptocompare.com/data',
DEFAULT_DERIVATION_PATH: `44'/60'/0'`,
// WARNING: ZRX & WETH MUST always be default trackedTokens
DEFAULT_TRACKED_TOKEN_SYMBOLS: ['WETH', 'ZRX'],