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Calculate collectible price in dutch sell #385
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| import { BigNumber } from '0x.js'; | ||
| import React from 'react'; | ||
| import styled from 'styled-components'; | ||
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| import { ETH_DECIMALS } from '../../../common/constants'; | ||
| import { themeBreakPoints } from '../../../themes/commons'; | ||
| import { getCollectiblePrice } from '../../../util/collectibles'; | ||
| import { getDutchAuctionData, isDutchAuction } from '../../../util/orders'; | ||
| import { convertTimeInSecondsToDaysAndHours } from '../../../util/time_utils'; | ||
| import { tokenAmountInUnits } from '../../../util/tokens'; | ||
| import { Collectible } from '../../../util/types'; | ||
| import { Card } from '../../common/card'; | ||
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| import { CollectibleDescriptionInnerTitle } from './collectible_description'; | ||
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| const PriceChartContainer = styled.div` | ||
| display: flex; | ||
| justify-content: space-between; | ||
| flex-direction: column; | ||
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| @media (min-width: ${themeBreakPoints.xl}) { | ||
| flex-direction: row; | ||
| } | ||
| `; | ||
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| const PriceChartPriceAndTime = styled.div` | ||
| margin-bottom: 25px; | ||
| max-width: 150px; | ||
| padding-right: 15px; | ||
| padding-top: 25px; | ||
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| @media (min-width: ${themeBreakPoints.xl}) { | ||
| margin-bottom: 0; | ||
| } | ||
| `; | ||
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| export const PriceChartTitle = styled.h5` | ||
| color: ${props => props.theme.componentsTheme.cardTitleColor}; | ||
| font-size: 14px; | ||
| font-weight: 400; | ||
| line-height: 1.2; | ||
| margin: 0 0 6px; | ||
| `; | ||
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| export const PriceChartValue = styled.p` | ||
| color: #00ae99; | ||
| font-size: 14px; | ||
| line-height: 1.2; | ||
| margin: 0 0 35px; | ||
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| &:last-child { | ||
| margin-bottom: 0; | ||
| } | ||
| `; | ||
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| const PriceChartValueNeutral = styled(PriceChartValue)` | ||
| color: ${props => props.theme.componentsTheme.cardTitleColor}; | ||
| `; | ||
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| const PriceChartGraphWrapper = styled.div` | ||
| flex-grow: 1; | ||
| padding-bottom: 15px; | ||
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| @media (min-width: ${themeBreakPoints.xl}) { | ||
| max-width: 365px; | ||
| } | ||
| `; | ||
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| const PriceChartGraph = styled.div` | ||
| background-color: #f5f5f5; | ||
| height: 148px; | ||
| margin: 0 0 15px; | ||
| width: 100%; | ||
| `; | ||
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| const PriceChartGraphValues = styled.div` | ||
| align-items: center; | ||
| display: flex; | ||
| justify-content: space-between; | ||
| `; | ||
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| interface Props { | ||
| collectible: Collectible; | ||
| } | ||
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| export const DutchAuctionPriceChartCard = (props: Props) => { | ||
| const { collectible } = props; | ||
| const { order } = collectible; | ||
| if (order === null || !isDutchAuction(order)) { | ||
| return null; | ||
| } | ||
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| const { makerAssetData, expirationTimeSeconds } = order; | ||
| const { beginAmount, beginTimeSeconds } = getDutchAuctionData(makerAssetData); | ||
| const price = getCollectiblePrice(collectible) as BigNumber; | ||
| const { days, hours } = convertTimeInSecondsToDaysAndHours(expirationTimeSeconds.minus(beginTimeSeconds)); | ||
| return ( | ||
| <Card> | ||
| <CollectibleDescriptionInnerTitle>Price Chart</CollectibleDescriptionInnerTitle> | ||
| <PriceChartContainer> | ||
| <PriceChartPriceAndTime> | ||
| <PriceChartTitle>Current Price</PriceChartTitle> | ||
| <PriceChartValue>{tokenAmountInUnits(price, ETH_DECIMALS)} ETH</PriceChartValue> | ||
| <PriceChartTitle>Time Remaining</PriceChartTitle> | ||
| <PriceChartValue>{`${days} Days ${hours} Hrs`}</PriceChartValue> | ||
| </PriceChartPriceAndTime> | ||
| <PriceChartGraphWrapper> | ||
| <PriceChartGraph /> | ||
| <PriceChartGraphValues> | ||
| <div> | ||
| <PriceChartTitle>Start Price</PriceChartTitle> | ||
| <PriceChartValueNeutral> | ||
| {tokenAmountInUnits(beginAmount, ETH_DECIMALS)} ETH | ||
| </PriceChartValueNeutral> | ||
| </div> | ||
| <div> | ||
| <PriceChartTitle>End Price</PriceChartTitle> | ||
| <PriceChartValueNeutral> | ||
| {tokenAmountInUnits(order.takerAssetAmount, ETH_DECIMALS)} ETH | ||
| </PriceChartValueNeutral> | ||
| </div> | ||
| </PriceChartGraphValues> | ||
| </PriceChartGraphWrapper> | ||
| </PriceChartContainer> | ||
| </Card> | ||
| ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| import { BigNumber } from '0x.js'; | ||
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| import { getDutchAuctionData } from './orders'; | ||
| import { todayInSeconds } from './time_utils'; | ||
| import { Collectible } from './types'; | ||
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| export const getCollectiblePrice = (collectible: Collectible): BigNumber | null => { | ||
| const { order } = collectible; | ||
| if (order === null) { | ||
| return null; | ||
| } | ||
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| try { | ||
| const dutchAcutionData = getDutchAuctionData(order.makerAssetData); | ||
| const { beginAmount, beginTimeSeconds } = dutchAcutionData; | ||
| const endAmount = order.takerAssetAmount; | ||
| const startTimeSeconds = order.expirationTimeSeconds; | ||
| // Use y = mx + b (linear function) | ||
| const m = endAmount.minus(beginAmount).dividedBy(startTimeSeconds.minus(beginTimeSeconds)); | ||
| const b = beginAmount.minus(beginTimeSeconds.multipliedBy(m)); | ||
| return m.multipliedBy(todayInSeconds()).plus(b); | ||
|
There was a problem hiding this comment. BTW I compared the result using |
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| } catch (err) { | ||
| return order.takerAssetAmount; | ||
| } | ||
| }; | ||
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Because 0xProject/0x-monorepo#1814