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Refactor common fetch logic into fetch_utils

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This commit is contained in:
Brandon Millman
2018-04-22 13:27:16 -04:00
parent e51f9b3593
commit fb31c49317
3 changed files with 62 additions and 56 deletions
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39
packages/website/ts/components/wallet/wallet.tsx
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@@ -40,6 +40,7 @@ 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 { fetchUtils } from 'ts/utils/fetch_utils';
import { utils } from 'ts/utils/utils';
import { styles as walletItemStyles } from 'ts/utils/wallet_item_styles';
@@ -130,6 +131,7 @@ const FOOTER_ITEM_KEY = 'FOOTER';
const DISCONNECTED_ITEM_KEY = 'DISCONNECTED';
const ETHER_ITEM_KEY = 'ETHER';
const USD_DECIMAL_PLACES = 2;
const CRYPTO_COMPARE_MULTI_ENDPOINT = '/pricemulti';
export class Wallet extends React.Component<WalletProps, WalletState> {
private _isUnmounted: boolean;
@@ -511,24 +513,29 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
),
);
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);
const baseCurrency = 'USD';
const queryParams = {
fsyms: joinedTokenSymbols,
tsyms: baseCurrency,
};
try {
const priceInfoBySymbol = await fetchUtils.requestAsync(
configs.CRYPTO_COMPARE_BASE_URL,
CRYPTO_COMPARE_MULTI_ENDPOINT,
queryParams,
);
const priceInfoByAddress = _.mapKeys(priceInfoBySymbol, (value, symbol) =>
_.get(tokenAddressBySymbol, symbol),
);
const result = _.mapValues(priceInfoByAddress, priceInfo => {
const price = _.get(priceInfo, baseCurrency);
const priceBigNumber = new BigNumber(price);
return priceBigNumber;
});
return result;
} catch (err) {
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({