mango-v4-ui/components/swap/BuyTokenInput.tsx

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import MaxAmountButton from '@components/shared/MaxAmountButton'
import TokenSelect from './TokenSelect'
import Loading from '@components/shared/Loading'
import NumberFormat, {
NumberFormatValues,
SourceInfo,
} from 'react-number-format'
import { formatCurrencyValue } from 'utils/numbers'
import { useTranslation } from 'react-i18next'
import { Dispatch, SetStateAction, useCallback, useMemo } from 'react'
import mangoStore from '@store/mangoStore'
import useMangoGroup from 'hooks/useMangoGroup'
import { OUTPUT_TOKEN_DEFAULT } from 'utils/constants'
import { NUMBER_FORMAT_CLASSNAMES } from './MarketSwapForm'
const set = mangoStore.getState().set
const BuyTokenInput = ({
handleAmountOutChange,
loading,
setShowTokenSelect,
setAmountOutFormValue,
}: {
handleAmountOutChange: (e: NumberFormatValues, info: SourceInfo) => void
loading?: boolean
setShowTokenSelect: Dispatch<SetStateAction<'input' | 'output' | undefined>>
setAmountOutFormValue: (amountOut: string) => void
}) => {
const { t } = useTranslation('common')
const { group } = useMangoGroup()
const {
outputBank,
amountOut: amountOutFormValue,
swapMode,
} = mangoStore((s) => s.swap)
const outputTokenBalanceBorrow = useMemo(() => {
if (!outputBank) return 0
const mangoAccount = mangoStore.getState().mangoAccount.current
const balance = mangoAccount?.getTokenBalanceUi(outputBank)
return balance && balance < 0 ? Math.abs(balance) : 0
}, [outputBank])
const setBorrowAmountOut = useCallback(
(borrowAmount: string) => {
if (swapMode === 'ExactIn') {
set((s) => {
s.swap.swapMode = 'ExactOut'
})
}
setAmountOutFormValue(borrowAmount.toString())
},
[setAmountOutFormValue],
)
return (
<div className="mb-2 grid grid-cols-2 rounded-xl bg-th-bkg-2 p-3">
<div className="col-span-2 mb-2 flex items-end justify-between">
<p className="text-th-fgd-2">{t('buy')}</p>
{outputTokenBalanceBorrow ? (
<MaxAmountButton
className="mb-0.5 text-xs"
decimals={outputBank?.mintDecimals || 9}
label={t('repay')}
onClick={() =>
setBorrowAmountOut(
outputTokenBalanceBorrow.toFixed(outputBank?.mintDecimals || 9),
)
}
value={outputTokenBalanceBorrow}
/>
) : null}
</div>
<div className="col-span-1">
<TokenSelect
bank={
outputBank || group?.banksMapByName.get(OUTPUT_TOKEN_DEFAULT)?.[0]
}
showTokenList={setShowTokenSelect}
type="output"
/>
</div>
<div className="relative col-span-1">
{loading ? (
<div className="flex h-[56px] w-full items-center justify-center rounded-l-none rounded-r-lg bg-th-input-bkg">
<Loading />
</div>
) : (
<>
<NumberFormat
inputMode="decimal"
thousandSeparator=","
allowNegative={false}
isNumericString={true}
decimalScale={outputBank?.mintDecimals || 6}
name="amountOut"
id="amountOut"
className={NUMBER_FORMAT_CLASSNAMES}
placeholder="0.00"
value={amountOutFormValue}
onValueChange={handleAmountOutChange}
/>
<span className="absolute right-3 bottom-1.5 text-xxs text-th-fgd-4">
{outputBank
? formatCurrencyValue(
outputBank.uiPrice * Number(amountOutFormValue),
)
: ''}
</span>
</>
)}
</div>
</div>
)
}
export default BuyTokenInput