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import { AssetProxyId } from '@0x/types';
import * as _ from 'lodash';
import { BIG_NUMBER_ZERO } from '../constants';
import { ERC20Asset } from '../types';
import { assetUtils } from '../util/asset';
import { buyQuoteUpdater } from '../util/buy_quote_updater';
import { coinbaseApi } from '../util/coinbase_api';
import { errorFlasher } from '../util/error_flasher';
import { actions } from './actions';
import { Store } from './store';
export const asyncData = {
fetchEthPriceAndDispatchToStore: async (store: Store) => {
try {
const ethUsdPrice = await coinbaseApi.getEthUsdPrice();
store.dispatch(actions.updateEthUsdPrice(ethUsdPrice));
} catch (e) {
const errorMessage = 'Error fetching ETH/USD price';
errorFlasher.flashNewErrorMessage(store.dispatch, errorMessage);
store.dispatch(actions.updateEthUsdPrice(BIG_NUMBER_ZERO));
}
},
fetchAvailableAssetDatasAndDispatchToStore: async (store: Store) => {
const { providerState, assetMetaDataMap, network } = store.getState();
const assetBuyer = providerState.assetBuyer;
try {
const assetDatas = await assetBuyer.getAvailableAssetDatasAsync();
const assets = assetUtils.createAssetsFromAssetDatas(assetDatas, assetMetaDataMap, network);
store.dispatch(actions.setAvailableAssets(assets));
} catch (e) {
const errorMessage = 'Could not find any assets';
errorFlasher.flashNewErrorMessage(store.dispatch, errorMessage);
// On error, just specify that none are available
store.dispatch(actions.setAvailableAssets([]));
}
},
fetchCurrentBuyQuoteAndDispatchToStore: async (store: Store) => {
const { providerState, selectedAsset, selectedAssetAmount, affiliateInfo } = store.getState();
const assetBuyer = providerState.assetBuyer;
if (
!_.isUndefined(selectedAssetAmount) &&
!_.isUndefined(selectedAsset) &&
selectedAsset.metaData.assetProxyId === AssetProxyId.ERC20
) {
await buyQuoteUpdater.updateBuyQuoteAsync(
assetBuyer,
store.dispatch,
selectedAsset as ERC20Asset,
selectedAssetAmount,
affiliateInfo,
);
}
},
};
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