94 lines
2.7 KiB
TypeScript
94 lines
2.7 KiB
TypeScript
import { PerpMarket } from '@blockworks-foundation/mango-v4'
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import ButtonGroup from '@components/forms/ButtonGroup'
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import mangoStore from '@store/mangoStore'
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import useMangoAccount from 'hooks/useMangoAccount'
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import useSelectedMarket from 'hooks/useSelectedMarket'
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import { useCallback, useMemo, useState } from 'react'
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import { floorToDecimal } from 'utils/numbers'
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const PerpButtonGroup = ({
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minOrderDecimals,
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tickDecimals,
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}: {
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minOrderDecimals: number
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tickDecimals: number
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}) => {
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const side = mangoStore((s) => s.tradeForm.side)
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const { selectedMarket } = useSelectedMarket()
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const { mangoAccount } = useMangoAccount()
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const [sizePercentage, setSizePercentage] = useState('')
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const tradeFormPrice = mangoStore((s) => s.tradeForm.price)
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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('Error calculating max leverage perp btn grp: ', e)
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return 0
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}
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}, [side, selectedMarket, mangoAccount, tradeFormPrice])
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const handleSizePercentage = useCallback(
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(percentage: string) => {
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const set = mangoStore.getState().set
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setSizePercentage(percentage)
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const size = leverageMax * (Number(percentage) / 100)
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set((s) => {
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if (s.tradeForm.side === 'buy') {
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s.tradeForm.quoteSize = floorToDecimal(size, tickDecimals).toString()
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if (Number(s.tradeForm.price)) {
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s.tradeForm.baseSize = floorToDecimal(
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size / Number(s.tradeForm.price),
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minOrderDecimals,
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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 = floorToDecimal(
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size,
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minOrderDecimals,
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).toString()
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if (Number(s.tradeForm.price)) {
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s.tradeForm.quoteSize = floorToDecimal(
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size * Number(s.tradeForm.price),
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tickDecimals,
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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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[leverageMax, minOrderDecimals, tickDecimals],
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)
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return (
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<div className="w-full px-3 md:px-4">
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<ButtonGroup
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activeValue={sizePercentage}
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onChange={(p) => handleSizePercentage(p)}
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values={['25', '50', '75', '100']}
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unit="%"
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/>
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</div>
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)
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}
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export default PerpButtonGroup
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