69 lines
2.0 KiB
TypeScript
69 lines
2.0 KiB
TypeScript
import { PerpMarket } from '@blockworks-foundation/mango-v4'
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// import { BookSide, PerpMarket } from '@blockworks-foundation/mango-v4'
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// import mangoStore from '@store/mangoStore'
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import { useQuery } from '@tanstack/react-query'
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import useMangoGroup from 'hooks/useMangoGroup'
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import useSelectedMarket from 'hooks/useSelectedMarket'
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import { useMemo } from 'react'
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const fetchFundingRate = async (groupPk: string | undefined) => {
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const res = await fetch(
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`https://mango-transaction-log.herokuapp.com/v4/one-hour-funding-rate?mango-group=${groupPk}`
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)
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return await res.json()
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}
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export const usePerpFundingRate = () => {
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const { group } = useMangoGroup()
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const res = useQuery<any[], Error>(
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['funding-rate'],
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() => fetchFundingRate(group?.publicKey?.toString()),
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{
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cacheTime: 1000 * 60,
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staleTime: 1000 * 60,
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retry: true,
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enabled: !!group,
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}
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)
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return Array.isArray(res?.data) ? res : { isSuccess: false, data: null }
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}
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const PerpFundingRate = () => {
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const { selectedMarket } = useSelectedMarket()
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const rate = usePerpFundingRate()
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// const bids = mangoStore((s) => s.selectedMarket.bidsAccount)
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// const asks = mangoStore((s) => s.selectedMarket.asksAccount)
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const fundingRate = useMemo(() => {
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if (rate.isSuccess && selectedMarket instanceof PerpMarket) {
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const marketRate = rate?.data?.find(
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(r) => r.market_index === selectedMarket.perpMarketIndex
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)
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return marketRate?.funding_rate_hourly
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}
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}, [rate, selectedMarket])
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return (
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<>
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<div className="font-mono text-xs text-th-fgd-2">
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{selectedMarket instanceof PerpMarket && fundingRate
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? fundingRate.toFixed(4)
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: '-'}
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%
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</div>
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{/* <div className="font-mono text-xs text-th-fgd-2">
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{selectedMarket instanceof PerpMarket &&
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bids instanceof BookSide &&
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asks instanceof BookSide
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? selectedMarket.getCurrentFundingRate(bids, asks)
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: '-'}
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</div> */}
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</>
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)
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}
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export default PerpFundingRate
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