262 lines
8.5 KiB
TypeScript
262 lines
8.5 KiB
TypeScript
import React, { useCallback, useMemo, useState } from 'react'
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import useMangoStore from '../stores/useMangoStore'
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import usePrevious from '../hooks/usePrevious'
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import useInterval from '../hooks/useInterval'
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import ChartApi from '../utils/chartDataConnector'
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import UiLock from './UiLock'
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import ManualRefresh from './ManualRefresh'
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import useOraclePrice from '../hooks/useOraclePrice'
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import DayHighLow from './DayHighLow'
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import { useEffect } from 'react'
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import { formatUsdValue } from '../utils'
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function calculateFundingRate(perpStats, perpMarket, oraclePrice) {
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const oldestStat = perpStats[perpStats.length - 1]
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const latestStat = perpStats[0]
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if (!latestStat || !perpMarket) return null
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// Averaging long and short funding excludes socialized loss
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const startFunding =
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(parseFloat(oldestStat.longFunding) + parseFloat(oldestStat.shortFunding)) /
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2
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const endFunding =
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(parseFloat(latestStat.longFunding) + parseFloat(latestStat.shortFunding)) /
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2
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const fundingDifference = endFunding - startFunding
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const fundingInQuoteDecimals =
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fundingDifference / Math.pow(10, perpMarket.quoteDecimals)
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// TODO - use avgPrice and discard oraclePrice once stats are better
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// const avgPrice = (latestStat.baseOraclePrice + oldestStat.baseOraclePrice) / 2
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const basePriceInBaseLots = oraclePrice * perpMarket.baseLotsToNumber(1)
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return (fundingInQuoteDecimals / basePriceInBaseLots) * 100
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}
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function parseOpenInterest(perpStats, perpMarket) {
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if (!perpStats?.length || !perpMarket) return 0
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return perpMarket.baseLotsToNumber(perpStats[0].openInterest / 2)
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}
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const MarketHeader = () => {
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const oraclePrice = useOraclePrice()
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const groupConfig = useMangoStore((s) => s.selectedMangoGroup.config)
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const marketConfig = useMangoStore((s) => s.selectedMarket.config)
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const selectedMarket = useMangoStore((s) => s.selectedMarket.current)
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const baseSymbol = marketConfig.baseSymbol
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const selectedMarketName = marketConfig.name
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const isPerpMarket = marketConfig.kind === 'perp'
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const previousMarketName: string = usePrevious(selectedMarketName)
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const mangoAccount = useMangoStore((s) => s.selectedMangoAccount.current)
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const connected = useMangoStore((s) => s.wallet.connected)
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const [ohlcv, setOhlcv] = useState(null)
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const [loading, setLoading] = useState(false)
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const [perpStats, setPerpStats] = useState([])
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const [spotStats, setSpotStats] = useState(null)
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// const change = ohlcv ? ((ohlcv.c[0] - ohlcv.o[0]) / ohlcv.o[0]) * 100 : '--'
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const volume = ohlcv ? ohlcv.v[0] : '--'
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const fetchSpotStats = useCallback(async () => {
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const urlParams = new URLSearchParams({ mangoGroup: groupConfig.name })
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urlParams.append('market', selectedMarketName)
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const spotStats = await fetch(
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'https://mango-stats-v3.herokuapp.com/spot/change/24?' + urlParams
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)
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const parsedSpotStats = await spotStats.json()
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setSpotStats(parsedSpotStats)
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}, [selectedMarketName, groupConfig])
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const fetchPerpStats = useCallback(async () => {
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const perpStats = await fetch(
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`https://mango-stats-v3.herokuapp.com/perp/funding_rate?market=${selectedMarketName}`
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)
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const parsedPerpStats = await perpStats.json()
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setPerpStats(parsedPerpStats)
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}, [selectedMarketName])
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useEffect(() => {
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if (isPerpMarket) {
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fetchPerpStats()
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} else {
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fetchSpotStats()
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}
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}, [marketConfig])
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const fetchOhlcv = useCallback(async () => {
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if (!selectedMarketName) return
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// calculate from and to date (0:00UTC to 23:59:59UTC)
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const date = new Date()
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const utcFrom = new Date(
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Date.UTC(
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date.getFullYear(),
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date.getUTCMonth(),
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date.getUTCDate(),
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0,
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0,
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0
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)
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)
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const utcTo = new Date(
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Date.UTC(
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date.getFullYear(),
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date.getUTCMonth(),
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date.getUTCDate(),
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23,
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59,
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59
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)
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)
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const from = utcFrom.getTime() / 1000
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const to = utcTo.getTime() / 1000
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const ohlcv = await ChartApi.getOhlcv(selectedMarketName, '1D', from, to)
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if (ohlcv) {
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setOhlcv(ohlcv)
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setLoading(false)
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}
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}, [selectedMarketName])
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useInterval(async () => {
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fetchOhlcv()
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}, 5000)
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useMemo(() => {
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if (previousMarketName !== selectedMarketName) {
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setLoading(true)
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}
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}, [selectedMarketName])
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return (
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<div
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className={`flex items-end sm:items-center justify-between pt-4 px-6 md:pb-1 md:pt-8 md:px-6`}
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>
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<div className="flex flex-col sm:flex-row sm:items-center">
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<div className="pb-3 sm:pb-0 pr-8">
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<div className="flex items-center">
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<img
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alt=""
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width="24"
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height="24"
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src={`/assets/icons/${baseSymbol.toLowerCase()}.svg`}
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className={`mr-2.5`}
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/>
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<div className="font-semibold pr-0.5 text-xl">{baseSymbol}</div>
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<span className="text-th-fgd-4 text-xl">
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{isPerpMarket ? '-' : '/'}
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</span>
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<div className="font-semibold pl-0.5 text-xl">
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{isPerpMarket ? 'PERP' : groupConfig.quoteSymbol}
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</div>
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</div>
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</div>
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<div className="flex items-center">
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<div className="pr-6">
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<div className="text-th-fgd-3 tiny-text pb-0.5">Oracle price</div>
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<div className="font-semibold text-th-fgd-1 text-xs">
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{oraclePrice ? formatUsdValue(oraclePrice) : '--'}
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</div>
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</div>
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<div className="pr-4">
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<div className="text-th-fgd-3 tiny-text pb-0.5">24h Change</div>
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{spotStats?.change ? (
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<div
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className={`font-semibold text-xs ${
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spotStats.change > 0
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? `text-th-green`
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: spotStats.change < 0
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? `text-th-red`
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: `text-th-fgd-1`
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}`}
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>
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{spotStats.change.toFixed(2) + '%'}
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</div>
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) : (
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<MarketDataLoader />
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)}
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</div>
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<div className="pr-6">
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<div className="text-th-fgd-3 tiny-text pb-0.5">24h Vol</div>
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<div className="font-semibold text-th-fgd-1 text-xs">
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{ohlcv && !loading && volume ? (
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volume !== '--' ? (
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<>
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{volume.toFixed(2)}
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<span className="ml-1 text-th-fgd-3 tiny-text pb-0.5">
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{baseSymbol}
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</span>
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</>
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) : (
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volume
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)
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) : (
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<MarketDataLoader />
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)}
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</div>
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</div>
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<DayHighLow
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high={spotStats?.high}
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low={spotStats?.low}
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latest={spotStats?.latest}
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/>
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{isPerpMarket ? (
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<>
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<div className="pr-6">
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<div className="text-th-fgd-3 tiny-text pb-0.5">
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Avg Funding Rate (1h)
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</div>
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<div className="font-semibold text-th-fgd-1 text-xs">
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{calculateFundingRate(
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perpStats,
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selectedMarket,
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oraclePrice
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) ? (
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`${calculateFundingRate(
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perpStats,
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selectedMarket,
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oraclePrice
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)?.toFixed(4)}%`
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) : (
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<MarketDataLoader />
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)}
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</div>
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</div>
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<div className="pr-6">
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<div className="text-th-fgd-3 tiny-text pb-0.5">
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Open Interest
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</div>
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<div className="font-semibold text-th-fgd-1 text-xs">
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{parseOpenInterest(perpStats, selectedMarket) ? (
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`${parseOpenInterest(
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perpStats,
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selectedMarket
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)} ${baseSymbol}`
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) : (
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<MarketDataLoader />
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)}
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</div>
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</div>
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</>
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) : null}
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</div>
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</div>
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<div className="flex items-center">
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<UiLock />
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{connected && mangoAccount ? <ManualRefresh className="pl-2" /> : null}
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</div>
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</div>
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)
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}
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export default MarketHeader
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export const MarketDataLoader = () => (
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<div className="animate-pulse bg-th-bkg-3 h-3.5 mt-0.5 w-10 rounded-sm" />
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)
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