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import { BuyQuoteInfo } from '@0x/asset-buyer';
import { BigNumber } from '@0x/utils';
import * as _ from 'lodash';
import { oc } from 'ts-optchain';
import { format } from '../util/format';
import { BIG_NUMBER_ZERO } from '../constants';
export interface DisplayAmounts {
pricePerToken: React.ReactNode;
assetTotal: React.ReactNode;
feeTotal: React.ReactNode;
primaryGrandTotal: React.ReactNode;
secondaryGrandTotal?: React.ReactNode;
}
export interface BuyQuoteWeiAmounts {
assetTotalInWei: BigNumber | undefined;
feeTotalInWei: BigNumber | undefined;
grandTotalInWei: BigNumber | undefined;
pricePerTokenInWei: BigNumber | undefined;
}
const ethDisplayFormat = (amountInWei?: BigNumber) => {
return format.ethBaseUnitAmount(amountInWei, 4, '');
};
const usdDisplayFormat = (amountInWei?: BigNumber, ethUsdPrice?: BigNumber) => {
return format.ethBaseUnitAmountInUsd(amountInWei, ethUsdPrice, 2, '');
};
export const buyQuoteUtil = {
getWeiAmounts: (
selectedAssetUnitAmount: BigNumber | undefined,
buyQuoteInfo: BuyQuoteInfo | undefined,
): BuyQuoteWeiAmounts => {
const buyQuoteAccessor = oc(buyQuoteInfo);
const assetTotalInWei = buyQuoteAccessor.assetEthAmount();
const pricePerTokenInWei =
!_.isUndefined(assetTotalInWei) &&
!_.isUndefined(selectedAssetUnitAmount) &&
!selectedAssetUnitAmount.eq(BIG_NUMBER_ZERO)
? assetTotalInWei.div(selectedAssetUnitAmount).ceil()
: undefined;
return {
assetTotalInWei,
feeTotalInWei: buyQuoteAccessor.feeEthAmount(),
grandTotalInWei: buyQuoteAccessor.totalEthAmount(),
pricePerTokenInWei,
};
},
displayAmountsEth: (weiAmounts: BuyQuoteWeiAmounts, ethUsdPrice?: BigNumber): DisplayAmounts => {
return {
pricePerToken: ethDisplayFormat(weiAmounts.pricePerTokenInWei),
assetTotal: ethDisplayFormat(weiAmounts.assetTotalInWei),
feeTotal: ethDisplayFormat(weiAmounts.feeTotalInWei),
primaryGrandTotal: ethDisplayFormat(weiAmounts.grandTotalInWei),
secondaryGrandTotal: usdDisplayFormat(weiAmounts.grandTotalInWei, ethUsdPrice),
};
},
displayAmountsUsd: (weiAmounts: BuyQuoteWeiAmounts, ethUsdPrice?: BigNumber): DisplayAmounts => {
return {
pricePerToken: usdDisplayFormat(weiAmounts.pricePerTokenInWei, ethUsdPrice),
assetTotal: usdDisplayFormat(weiAmounts.assetTotalInWei, ethUsdPrice),
feeTotal: usdDisplayFormat(weiAmounts.feeTotalInWei, ethUsdPrice),
primaryGrandTotal: usdDisplayFormat(weiAmounts.grandTotalInWei, ethUsdPrice),
secondaryGrandTotal: ethDisplayFormat(weiAmounts.grandTotalInWei),
};
},
};
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