106 lines
4.6 KiB
TypeScript
106 lines
4.6 KiB
TypeScript
import { AssetProxyId } from '@0x/types';
|
|
import { Web3Wrapper } from '@0x/web3-wrapper';
|
|
import * as _ from 'lodash';
|
|
import { Dispatch } from 'redux';
|
|
|
|
import { BIG_NUMBER_ZERO } from '../constants';
|
|
import { AccountState, ERC20Asset, OrderProcessState, ProviderState } 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 { State } from './reducer';
|
|
|
|
export const asyncData = {
|
|
fetchEthPriceAndDispatchToStore: async (dispatch: Dispatch) => {
|
|
try {
|
|
const ethUsdPrice = await coinbaseApi.getEthUsdPrice();
|
|
dispatch(actions.updateEthUsdPrice(ethUsdPrice));
|
|
} catch (e) {
|
|
const errorMessage = 'Error fetching ETH/USD price';
|
|
errorFlasher.flashNewErrorMessage(dispatch, errorMessage);
|
|
dispatch(actions.updateEthUsdPrice(BIG_NUMBER_ZERO));
|
|
}
|
|
},
|
|
fetchAvailableAssetDatasAndDispatchToStore: async (state: State, dispatch: Dispatch) => {
|
|
const { providerState, assetMetaDataMap, network } = state;
|
|
const assetBuyer = providerState.assetBuyer;
|
|
try {
|
|
const assetDatas = await assetBuyer.getAvailableAssetDatasAsync();
|
|
const assets = assetUtils.createAssetsFromAssetDatas(assetDatas, assetMetaDataMap, network);
|
|
dispatch(actions.setAvailableAssets(assets));
|
|
} catch (e) {
|
|
const errorMessage = 'Could not find any assets';
|
|
errorFlasher.flashNewErrorMessage(dispatch, errorMessage);
|
|
// On error, just specify that none are available
|
|
dispatch(actions.setAvailableAssets([]));
|
|
}
|
|
},
|
|
fetchAccountInfoAndDispatchToStore: async (
|
|
providerState: ProviderState,
|
|
dispatch: Dispatch,
|
|
shouldAttemptUnlock: boolean = false,
|
|
shouldSetToLoading: boolean = false,
|
|
) => {
|
|
const web3Wrapper = providerState.web3Wrapper;
|
|
const provider = providerState.provider;
|
|
if (shouldSetToLoading && providerState.account.state !== AccountState.Loading) {
|
|
dispatch(actions.setAccountStateLoading());
|
|
}
|
|
let availableAddresses: string[];
|
|
try {
|
|
// TODO(bmillman): Add support at the web3Wrapper level for calling `eth_requestAccounts` instead of calling enable here
|
|
const isPrivacyModeEnabled = !_.isUndefined((provider as any).enable);
|
|
availableAddresses =
|
|
isPrivacyModeEnabled && shouldAttemptUnlock
|
|
? await (provider as any).enable()
|
|
: await web3Wrapper.getAvailableAddressesAsync();
|
|
} catch (e) {
|
|
dispatch(actions.setAccountStateLocked());
|
|
return;
|
|
}
|
|
if (!_.isEmpty(availableAddresses)) {
|
|
const activeAddress = availableAddresses[0];
|
|
dispatch(actions.setAccountStateReady(activeAddress));
|
|
// tslint:disable-next-line:no-floating-promises
|
|
asyncData.fetchAccountBalanceAndDispatchToStore(activeAddress, providerState.web3Wrapper, dispatch);
|
|
} else {
|
|
dispatch(actions.setAccountStateLocked());
|
|
}
|
|
},
|
|
fetchAccountBalanceAndDispatchToStore: async (address: string, web3Wrapper: Web3Wrapper, dispatch: Dispatch) => {
|
|
try {
|
|
const ethBalanceInWei = await web3Wrapper.getBalanceInWeiAsync(address);
|
|
dispatch(actions.updateAccountEthBalance({ address, ethBalanceInWei }));
|
|
} catch (e) {
|
|
// leave balance as is
|
|
return;
|
|
}
|
|
},
|
|
fetchCurrentBuyQuoteAndDispatchToStore: async (
|
|
state: State,
|
|
dispatch: Dispatch,
|
|
options: { updateSilently: boolean },
|
|
) => {
|
|
const { buyOrderState, providerState, selectedAsset, selectedAssetUnitAmount, affiliateInfo } = state;
|
|
const assetBuyer = providerState.assetBuyer;
|
|
if (
|
|
!_.isUndefined(selectedAssetUnitAmount) &&
|
|
!_.isUndefined(selectedAsset) &&
|
|
buyOrderState.processState === OrderProcessState.None &&
|
|
selectedAsset.metaData.assetProxyId === AssetProxyId.ERC20
|
|
) {
|
|
await buyQuoteUpdater.updateBuyQuoteAsync(
|
|
assetBuyer,
|
|
dispatch,
|
|
selectedAsset as ERC20Asset,
|
|
selectedAssetUnitAmount,
|
|
{ setPending: !options.updateSilently, dispatchErrors: !options.updateSilently },
|
|
affiliateInfo,
|
|
);
|
|
}
|
|
},
|
|
};
|