mango-v4-ui/components/shared/TokenVaultWarnings.tsx

77 lines
2.1 KiB
TypeScript

import { Bank } from '@blockworks-foundation/mango-v4'
import {
getMaxBorrowForBank,
getMaxWithdrawForBank,
useTokenMax,
} from '@components/swap/useTokenMax'
import useMangoAccount from 'hooks/useMangoAccount'
import useMangoGroup from 'hooks/useMangoGroup'
import Link from 'next/link'
import { useMemo } from 'react'
import InlineNotification from './InlineNotification'
const TokenVaultWarnings = ({
bank,
type,
}: {
bank: Bank
type: 'borrow' | 'swap' | 'withdraw'
}) => {
const { mangoAccount } = useMangoAccount()
const { group } = useMangoGroup()
const { amountWithBorrow: swapBorrowMax } = useTokenMax()
const [maxWithdraw, maxBorrow] = useMemo(() => {
if (!mangoAccount || !group) return [0, 0]
const maxWithdraw = getMaxWithdrawForBank(
group,
bank,
mangoAccount,
).toNumber()
const maxBorrow = getMaxBorrowForBank(group, bank, mangoAccount).toNumber()
return [maxWithdraw, maxBorrow]
}, [bank, mangoAccount, group])
const [availableVaultBalance, vaultBalance] = useMemo(() => {
if (!bank || !group) return [0, 0]
const vaultBalance = group.getTokenVaultBalanceByMintUi(bank.mint)
const vaultDeposits = bank.uiDeposits()
const available =
vaultBalance - vaultDeposits * bank.minVaultToDepositsRatio
return [available, vaultBalance]
}, [bank, group])
const showWarning = useMemo(() => {
if (!bank || !group) return false
if (
(type === 'borrow' && maxBorrow > availableVaultBalance) ||
(type === 'swap' && swapBorrowMax.toNumber() > vaultBalance) ||
(type === 'withdraw' && maxWithdraw > availableVaultBalance)
) {
return true
}
return false
}, [bank, group, type])
return showWarning ? (
<div className="mb-4">
<InlineNotification
type="warning"
desc={
<div>
The available {bank.name}{' '}
<Link href="/stats" className="underline hover:no-underline">
vault balance
</Link>{' '}
is low and impacting the maximum amount you can <span>{type}</span>
</div>
}
/>
</div>
) : null
}
export default TokenVaultWarnings