feat: populate order details with information from worst buy quote

7 files changed, 143 insertions, 42 deletions

diff --git a/packages/instant/src/components/instant_heading.tsx b/packages/instant/src/components/instant_heading.tsx
index cde3862c7..951858695 100644
--- a/packages/instant/src/components/instant_heading.tsx
+++ b/packages/instant/src/components/instant_heading.tsx
@@ -6,6 +6,7 @@ import * as React from 'react';
 import { ethDecimals } from '../constants';
 import { SelectedAssetAmountInput } from '../containers/selected_asset_amount_input';
 import { ColorOption } from '../style/theme';
+import { format } from '../util/format';
 
 import { Container, Flex, Text } from './ui';
 
@@ -19,23 +20,14 @@ const displaytotalEthBaseAmount = ({ selectedAssetAmount, totalEthBaseAmount }:
     if (_.isUndefined(selectedAssetAmount)) {
         return '0 ETH';
     }
-    if (_.isUndefined(totalEthBaseAmount)) {
-        return '...loading';
-    }
-    const ethUnitAmount = Web3Wrapper.toUnitAmount(totalEthBaseAmount, ethDecimals);
-    const roundedAmount = ethUnitAmount.round(4);
-    return `${roundedAmount} ETH`;
+    return format.ethBaseAmount(totalEthBaseAmount, 4, '...loading');
 };
 
 const displayUsdAmount = ({ totalEthBaseAmount, selectedAssetAmount, ethUsdPrice }: InstantHeadingProps): string => {
     if (_.isUndefined(selectedAssetAmount)) {
         return '$0.00';
     }
-    if (_.isUndefined(totalEthBaseAmount) || _.isUndefined(ethUsdPrice)) {
-        return '...loading';
-    }
-    const ethUnitAmount = Web3Wrapper.toUnitAmount(totalEthBaseAmount, ethDecimals);
-    return `$${ethUnitAmount.mul(ethUsdPrice).round(2)}`;
+    return format.ethBaseAmountInUsd(totalEthBaseAmount, ethUsdPrice, 2, '...loading');
 };
 
 export const InstantHeading: React.StatelessComponent<InstantHeadingProps> = props => (
diff --git a/packages/instant/src/components/order_details.tsx b/packages/instant/src/components/order_details.tsx
index dbf2c1f0b..78359898f 100644
--- a/packages/instant/src/components/order_details.tsx
+++ b/packages/instant/src/components/order_details.tsx
@@ -1,53 +1,88 @@
+import { BuyQuoteInfo } from '@0xproject/asset-buyer';
+import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
 import * as React from 'react';
 
+import { BIG_NUMBER_ZERO, ethDecimals } from '../constants';
+
 import { ColorOption } from '../style/theme';
+import { format } from '../util/format';
 
 import { Container, Flex, Text } from './ui';
 
-export interface OrderDetailsProps {}
-
-export const OrderDetails: React.StatelessComponent<OrderDetailsProps> = props => (
-    <Container padding="20px" width="100%">
-        <Container marginBottom="10px">
-            <Text
-                letterSpacing="1px"
-                fontColor={ColorOption.primaryColor}
-                fontWeight={600}
-                textTransform="uppercase"
-                fontSize="14px"
-            >
-                Order Details
-            </Text>
-        </Container>
-        <OrderDetailsRow name="Token Price" primaryValue=".013 ETH" secondaryValue="$24.32" />
-        <OrderDetailsRow name="Fee" primaryValue=".005 ETH" secondaryValue="$1.04" />
-        <OrderDetailsRow name="Total Cost" primaryValue="1.66 ETH" secondaryValue="$589.56" shouldEmphasize={true} />
-    </Container>
-);
+export interface OrderDetailsProps {
+    buyQuoteInfo?: BuyQuoteInfo;
+    ethUsdPrice?: BigNumber;
+}
 
-OrderDetails.displayName = 'OrderDetails';
+export class OrderDetails extends React.Component<OrderDetailsProps> {
+    public render(): React.ReactNode {
+        const { buyQuoteInfo, ethUsdPrice } = this.props;
+        const ethAssetPrice = _.get(buyQuoteInfo, 'ethPerAssetPrice');
+        const ethTokenFee = _.get(buyQuoteInfo, 'feeEthAmount');
+        const totalEthAmount = _.get(buyQuoteInfo, 'totalEthAmount');
+        return (
+            <Container padding="20px" width="100%">
+                <Container marginBottom="10px">
+                    <Text
+                        letterSpacing="1px"
+                        fontColor={ColorOption.primaryColor}
+                        fontWeight={600}
+                        textTransform="uppercase"
+                        fontSize="14px"
+                    >
+                        Order Details
+                    </Text>
+                </Container>
+                <OrderDetailsRow
+                    name="Token Price"
+                    ethAmount={ethAssetPrice}
+                    ethUsdPrice={ethUsdPrice}
+                    shouldConvertEthToUnitAmount={false}
+                />
+                <OrderDetailsRow name="Fee" ethAmount={ethTokenFee} ethUsdPrice={ethUsdPrice} />
+                <OrderDetailsRow
+                    name="Total Cost"
+                    ethAmount={totalEthAmount}
+                    ethUsdPrice={ethUsdPrice}
+                    shouldEmphasize={true}
+                />
+            </Container>
+        );
+    }
+}
 
 export interface OrderDetailsRowProps {
     name: string;
-    primaryValue: string;
-    secondaryValue: string;
+    ethAmount?: BigNumber;
+    shouldConvertEthToUnitAmount?: boolean;
+    ethUsdPrice?: BigNumber;
     shouldEmphasize?: boolean;
 }
 
-export const OrderDetailsRow: React.StatelessComponent<OrderDetailsRowProps> = props => {
-    const fontWeight = props.shouldEmphasize ? 700 : 400;
+export const OrderDetailsRow: React.StatelessComponent<OrderDetailsRowProps> = ({
+    name,
+    ethAmount,
+    shouldConvertEthToUnitAmount,
+    ethUsdPrice,
+    shouldEmphasize,
+}) => {
+    const fontWeight = shouldEmphasize ? 700 : 400;
+    const usdFormatter = shouldConvertEthToUnitAmount ? format.ethBaseAmountInUsd : format.ethUnitAmountInUsd;
+    const ethFormatter = shouldConvertEthToUnitAmount ? format.ethBaseAmount : format.ethUnitAmount;
     return (
         <Container padding="10px 0px" borderTop="1px dashed" borderColor={ColorOption.feintGrey}>
             <Flex justify="space-between">
                 <Text fontWeight={fontWeight} fontColor={ColorOption.grey}>
-                    {props.name}
+                    {name}
                 </Text>
                 <Container>
                     <Container marginRight="3px" display="inline-block">
-                        <Text fontColor={ColorOption.lightGrey}>({props.secondaryValue}) </Text>
+                        <Text fontColor={ColorOption.lightGrey}>({usdFormatter(ethAmount, ethUsdPrice)})</Text>
                     </Container>
                     <Text fontWeight={fontWeight} fontColor={ColorOption.grey}>
-                        {props.primaryValue}
+                        {ethFormatter(ethAmount)}
                     </Text>
                 </Container>
             </Flex>
@@ -57,6 +92,7 @@ export const OrderDetailsRow: React.StatelessComponent<OrderDetailsRowProps> = p
 
 OrderDetailsRow.defaultProps = {
     shouldEmphasize: false,
+    shouldConvertEthToUnitAmount: true,
 };
 
 OrderDetailsRow.displayName = 'OrderDetailsRow';
diff --git a/packages/instant/src/components/zero_ex_instant_container.tsx b/packages/instant/src/components/zero_ex_instant_container.tsx
index 4ff8b51bd..44f702aa2 100644
--- a/packages/instant/src/components/zero_ex_instant_container.tsx
+++ b/packages/instant/src/components/zero_ex_instant_container.tsx
@@ -1,5 +1,6 @@
 import * as React from 'react';
 
+import { LatestBuyQuoteOrderDetails } from '../containers/latest_buy_quote_order_details';
 import { SelectedAssetBuyButton } from '../containers/selected_asset_buy_button';
 import { SelectedAssetInstantHeading } from '../containers/selected_asset_instant_heading';
 
@@ -7,7 +8,6 @@ import { ColorOption } from '../style/theme';
 
 import { BuyButton } from './buy_button';
 import { InstantHeading } from './instant_heading';
-import { OrderDetails } from './order_details';
 import { Container, Flex } from './ui';
 
 export interface ZeroExInstantContainerProps {}
@@ -16,7 +16,7 @@ export const ZeroExInstantContainer: React.StatelessComponent<ZeroExInstantConta
     <Container hasBoxShadow={true} width="350px" backgroundColor={ColorOption.white} borderRadius="3px">
         <Flex direction="column" justify="flex-start">
             <SelectedAssetInstantHeading />
-            <OrderDetails />
+            <LatestBuyQuoteOrderDetails />
             <SelectedAssetBuyButton />
         </Flex>
     </Container>
diff --git a/packages/instant/src/constants.ts b/packages/instant/src/constants.ts
index 397c9b07a..75afc474a 100644
--- a/packages/instant/src/constants.ts
+++ b/packages/instant/src/constants.ts
@@ -1,3 +1,5 @@
+import { BigNumber } from '@0xproject/utils';
+export const BIG_NUMBER_ZERO = new BigNumber(0);
 export const sraApiUrl = 'https://api.radarrelay.com/0x/v2/';
 export const zrxContractAddress = '0xe41d2489571d322189246dafa5ebde1f4699f498';
 export const zrxDecimals = 18;
diff --git a/packages/instant/src/containers/latest_buy_quote_order_details.ts b/packages/instant/src/containers/latest_buy_quote_order_details.ts
new file mode 100644
index 000000000..77d84289b
--- /dev/null
+++ b/packages/instant/src/containers/latest_buy_quote_order_details.ts
@@ -0,0 +1,26 @@
+import { BuyQuoteInfo } from '@0xproject/asset-buyer';
+import { BigNumber } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as React from 'react';
+import { connect } from 'react-redux';
+
+import { State } from '../redux/reducer';
+
+import { OrderDetails } from '../components/order_details';
+
+export interface LatestBuyQuoteOrderDetailsProps {}
+
+interface ConnectedState {
+    buyQuoteInfo?: BuyQuoteInfo;
+    ethUsdPrice?: BigNumber;
+}
+
+const mapStateToProps = (state: State, _ownProps: LatestBuyQuoteOrderDetailsProps): ConnectedState => ({
+    // use the worst case quote info
+    buyQuoteInfo: _.get(state, 'latestBuyQuote.worstCaseQuoteInfo'),
+    ethUsdPrice: state.ethUsdPrice,
+});
+
+export const LatestBuyQuoteOrderDetails: React.ComponentClass<LatestBuyQuoteOrderDetailsProps> = connect(
+    mapStateToProps,
+)(OrderDetails);
diff --git a/packages/instant/src/containers/selected_asset_buy_button.ts b/packages/instant/src/containers/selected_asset_buy_button.ts
index f537294e4..678c7e445 100644
--- a/packages/instant/src/containers/selected_asset_buy_button.ts
+++ b/packages/instant/src/containers/selected_asset_buy_button.ts
@@ -9,7 +9,7 @@ import { Action, ActionTypes, AsyncProcessState } from '../types';
 import { assetBuyer } from '../util/asset_buyer';
 import { web3Wrapper } from '../util/web3_wrapper';
 
-import { BuyButton } from '../components/buy_button';
+import { BuyButton, BuyButtonProps } from '../components/buy_button';
 
 export interface SelectedAssetBuyButtonProps {}
 
diff --git a/packages/instant/src/util/format.ts b/packages/instant/src/util/format.ts
new file mode 100644
index 000000000..de7eb62e6
--- /dev/null
+++ b/packages/instant/src/util/format.ts
@@ -0,0 +1,45 @@
+import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
+
+import { ethDecimals } from '../constants';
+
+export const format = {
+    ethBaseAmount: (ethBaseAmount?: BigNumber, decimalPlaces: number = 4, defaultText: string = '0 ETH'): string => {
+        if (_.isUndefined(ethBaseAmount)) {
+            return defaultText;
+        }
+        const ethUnitAmount = Web3Wrapper.toUnitAmount(ethBaseAmount, ethDecimals);
+        return format.ethUnitAmount(ethUnitAmount, decimalPlaces);
+    },
+    ethUnitAmount: (ethUnitAmount?: BigNumber, decimalPlaces: number = 4, defaultText: string = '0 ETH'): string => {
+        if (_.isUndefined(ethUnitAmount)) {
+            return defaultText;
+        }
+        const roundedAmount = ethUnitAmount.round(decimalPlaces);
+        return `${roundedAmount} ETH`;
+    },
+    ethBaseAmountInUsd: (
+        ethBaseAmount?: BigNumber,
+        ethUsdPrice?: BigNumber,
+        decimalPlaces: number = 2,
+        defaultText: string = '$0.00',
+    ): string => {
+        if (_.isUndefined(ethBaseAmount) || _.isUndefined(ethUsdPrice)) {
+            return defaultText;
+        }
+        const ethUnitAmount = Web3Wrapper.toUnitAmount(ethBaseAmount, ethDecimals);
+        return format.ethUnitAmountInUsd(ethUnitAmount, ethUsdPrice, decimalPlaces);
+    },
+    ethUnitAmountInUsd: (
+        ethUnitAmount?: BigNumber,
+        ethUsdPrice?: BigNumber,
+        decimalPlaces: number = 2,
+        defaultText: string = '$0.00',
+    ): string => {
+        if (_.isUndefined(ethUnitAmount) || _.isUndefined(ethUsdPrice)) {
+            return defaultText;
+        }
+        return `$${ethUnitAmount.mul(ethUsdPrice).round(decimalPlaces)}`;
+    },
+};