83 lines
2.3 KiB
TypeScript
83 lines
2.3 KiB
TypeScript
import { PerpMarket, Serum3Market } from '@blockworks-foundation/mango-v4'
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import LeverageSlider from '@components/swap/LeverageSlider'
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import mangoStore from '@store/mangoStore'
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import Decimal from 'decimal.js'
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import { useCallback, useMemo } from 'react'
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import { notify } from 'utils/notifications'
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const PerpSlider = () => {
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const side = mangoStore((s) => s.tradeForm.side)
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const selectedMarket = mangoStore((s) => s.selectedMarket.current)
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const mangoAccount = mangoStore((s) => s.mangoAccount.current)
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const tradeForm = mangoStore((s) => s.tradeForm)
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const leverageMax = useMemo(() => {
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const group = mangoStore.getState().group
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if (!mangoAccount || !group || !selectedMarket) return 100
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if (!(selectedMarket instanceof PerpMarket)) return 100
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try {
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if (side === 'buy') {
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return mangoAccount.getMaxQuoteForPerpBidUi(
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group,
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selectedMarket.perpMarketIndex
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)
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} else {
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return mangoAccount.getMaxBaseForPerpAskUi(
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group,
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selectedMarket.perpMarketIndex
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)
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}
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} catch (e) {
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console.error('PerpSlider: ', e)
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notify({
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type: 'error',
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title: 'Error calculating max leverage.',
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})
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return 0
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}
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}, [side, selectedMarket, mangoAccount])
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const handleSlide = useCallback((val: string) => {
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const set = mangoStore.getState().set
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set((s) => {
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if (s.tradeForm.side === 'buy') {
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s.tradeForm.quoteSize = val
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if (Number(s.tradeForm.price)) {
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s.tradeForm.baseSize = (
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parseFloat(val) / parseFloat(s.tradeForm.price)
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).toString()
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} else {
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s.tradeForm.baseSize = ''
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}
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} else if (s.tradeForm.side === 'sell') {
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s.tradeForm.baseSize = val
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if (Number(s.tradeForm.price)) {
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s.tradeForm.quoteSize = (
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parseFloat(val) * parseFloat(s.tradeForm.price)
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).toString()
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}
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}
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})
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}, [])
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return (
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<div className="w-full px-4">
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<LeverageSlider
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amount={
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tradeForm.side === 'buy'
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? parseFloat(tradeForm.quoteSize)
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: parseFloat(tradeForm.baseSize)
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}
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leverageMax={leverageMax}
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onChange={handleSlide}
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/>
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</div>
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)
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}
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export default PerpSlider
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