119 lines
3.4 KiB
TypeScript
119 lines
3.4 KiB
TypeScript
import { MangoAccount, Serum3Market } from '@blockworks-foundation/mango-v4'
|
|
import LeverageSlider from '@components/shared/LeverageSlider'
|
|
import mangoStore from '@store/mangoStore'
|
|
import useMangoAccount from 'hooks/useMangoAccount'
|
|
import useSelectedMarket from 'hooks/useSelectedMarket'
|
|
import { useCallback, useMemo } from 'react'
|
|
import { GenericMarket } from 'types'
|
|
import { floorToDecimal } from 'utils/numbers'
|
|
|
|
export const useSpotMarketMax = (
|
|
mangoAccount: MangoAccount | undefined,
|
|
selectedMarket: GenericMarket | undefined,
|
|
side: string,
|
|
useMargin: boolean
|
|
) => {
|
|
const max = useMemo(() => {
|
|
const group = mangoStore.getState().group
|
|
if (!mangoAccount || !group || !selectedMarket) return 100
|
|
if (!(selectedMarket instanceof Serum3Market)) return 100
|
|
|
|
let leverageMax = 0
|
|
let spotMax = 0
|
|
try {
|
|
if (side === 'buy') {
|
|
leverageMax = mangoAccount.getMaxQuoteForSerum3BidUi(
|
|
group,
|
|
selectedMarket.serumMarketExternal
|
|
)
|
|
spotMax = mangoAccount.getTokenBalanceUi(
|
|
group.getFirstBankByTokenIndex(selectedMarket.quoteTokenIndex)
|
|
)
|
|
} else {
|
|
leverageMax = mangoAccount.getMaxBaseForSerum3AskUi(
|
|
group,
|
|
selectedMarket.serumMarketExternal
|
|
)
|
|
spotMax = mangoAccount.getTokenBalanceUi(
|
|
group.getFirstBankByTokenIndex(selectedMarket.baseTokenIndex)
|
|
)
|
|
}
|
|
return useMargin ? leverageMax : Math.max(spotMax, 0)
|
|
} catch (e) {
|
|
console.error('Error calculating max leverage: spot btn group: ', e)
|
|
return 0
|
|
}
|
|
}, [side, selectedMarket, mangoAccount, useMargin])
|
|
|
|
return max
|
|
}
|
|
|
|
const SpotSlider = ({
|
|
minOrderDecimals,
|
|
tickDecimals,
|
|
step,
|
|
useMargin,
|
|
}: {
|
|
minOrderDecimals: number
|
|
tickDecimals: number
|
|
step: number
|
|
useMargin: boolean
|
|
}) => {
|
|
const side = mangoStore((s) => s.tradeForm.side)
|
|
const { selectedMarket, price: marketPrice } = useSelectedMarket()
|
|
const { mangoAccount } = useMangoAccount()
|
|
const tradeForm = mangoStore((s) => s.tradeForm)
|
|
const max = useSpotMarketMax(mangoAccount, selectedMarket, side, useMargin)
|
|
|
|
const handleSlide = useCallback(
|
|
(val: string) => {
|
|
const set = mangoStore.getState().set
|
|
|
|
set((s) => {
|
|
const price =
|
|
s.tradeForm.tradeType === 'Market'
|
|
? marketPrice
|
|
: Number(s.tradeForm.price)
|
|
|
|
if (s.tradeForm.side === 'buy') {
|
|
s.tradeForm.quoteSize = val
|
|
if (Number(price)) {
|
|
s.tradeForm.baseSize = floorToDecimal(
|
|
parseFloat(val) / price,
|
|
minOrderDecimals
|
|
).toString()
|
|
} else {
|
|
s.tradeForm.baseSize = ''
|
|
}
|
|
} else if (s.tradeForm.side === 'sell') {
|
|
s.tradeForm.baseSize = val
|
|
if (Number(price)) {
|
|
s.tradeForm.quoteSize = floorToDecimal(
|
|
parseFloat(val) * price,
|
|
tickDecimals
|
|
).toString()
|
|
}
|
|
}
|
|
})
|
|
},
|
|
[marketPrice, minOrderDecimals, tickDecimals]
|
|
)
|
|
|
|
return (
|
|
<div className="w-full px-3 md:px-4">
|
|
<LeverageSlider
|
|
amount={
|
|
tradeForm.side === 'buy'
|
|
? parseFloat(tradeForm.quoteSize)
|
|
: parseFloat(tradeForm.baseSize)
|
|
}
|
|
leverageMax={max}
|
|
onChange={handleSlide}
|
|
step={step}
|
|
/>
|
|
</div>
|
|
)
|
|
}
|
|
|
|
export default SpotSlider
|