1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
import { AssetBuyer, AssetBuyerError, BuyQuote } from '@0x/asset-buyer';
import { BigNumber } from '@0x/utils';
import { Web3Wrapper } from '@0x/web3-wrapper';
import * as _ from 'lodash';
import { Dispatch } from 'redux';
import { oc } from 'ts-optchain';
import { Action, actions } from '../redux/actions';
import { AffiliateInfo, ERC20Asset } from '../types';
import { assetUtils } from '../util/asset';
import { errorFlasher } from '../util/error_flasher';
export const buyQuoteUpdater = {
updateBuyQuoteAsync: async (
assetBuyer: AssetBuyer,
dispatch: Dispatch<Action>,
asset: ERC20Asset,
assetUnitAmount: BigNumber,
options: { setPending: boolean; dispatchErrors: boolean; affiliateInfo?: AffiliateInfo },
): Promise<void> => {
// get a new buy quote.
const baseUnitValue = Web3Wrapper.toBaseUnitAmount(assetUnitAmount, asset.metaData.decimals);
if (options.setPending) {
// mark quote as pending
dispatch(actions.setQuoteRequestStatePending());
}
const feePercentage = oc(options.affiliateInfo).feePercentage();
let newBuyQuote: BuyQuote | undefined;
try {
newBuyQuote = await assetBuyer.getBuyQuoteAsync(asset.assetData, baseUnitValue, { feePercentage });
} catch (error) {
if (options.dispatchErrors) {
dispatch(actions.setQuoteRequestStateFailure());
let errorMessage;
if (error.message === AssetBuyerError.InsufficientAssetLiquidity) {
const assetName = assetUtils.bestNameForAsset(asset, 'of this asset');
errorMessage = `Not enough ${assetName} available`;
} else if (error.message === AssetBuyerError.InsufficientZrxLiquidity) {
errorMessage = 'Not enough ZRX available';
} else if (
error.message === AssetBuyerError.StandardRelayerApiError ||
error.message.startsWith(AssetBuyerError.AssetUnavailable)
) {
const assetName = assetUtils.bestNameForAsset(asset, 'This asset');
errorMessage = `${assetName} is currently unavailable`;
}
if (!_.isUndefined(errorMessage)) {
errorFlasher.flashNewErrorMessage(dispatch, errorMessage);
} else {
throw error;
}
}
// TODO: report to error reporter on else
return;
}
// We have a successful new buy quote
errorFlasher.clearError(dispatch);
// invalidate the last buy quote.
dispatch(actions.updateLatestBuyQuote(newBuyQuote));
},
};
|
