329 lines
12 KiB
TypeScript
329 lines
12 KiB
TypeScript
import {
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ArrowDownRightIcon,
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ExclamationCircleIcon,
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} from '@heroicons/react/20/solid'
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import { useWallet } from '@solana/wallet-adapter-react'
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import Decimal from 'decimal.js'
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import { useTranslation } from 'next-i18next'
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import React, { useCallback, useEffect, useMemo, useState } from 'react'
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import NumberFormat, { NumberFormatValues } from 'react-number-format'
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import mangoStore from '@store/mangoStore'
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import { notify } from './../utils/notifications'
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import { formatNumericValue } from './../utils/numbers'
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import ActionTokenList from './account/ActionTokenList'
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import ButtonGroup from './forms/ButtonGroup'
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import Label from './forms/Label'
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import Button from './shared/Button'
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import Loading from './shared/Loading'
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import { EnterBottomExitBottom, FadeInFadeOut } from './shared/Transitions'
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import { withValueLimit } from './swap/MarketSwapForm'
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import MaxAmountButton from '@components/shared/MaxAmountButton'
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import HealthImpactTokenChange from '@components/HealthImpactTokenChange'
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import { walletBalanceForToken } from './DepositForm'
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import SolBalanceWarnings from '@components/shared/SolBalanceWarnings'
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import useMangoAccount from 'hooks/useMangoAccount'
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import {
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ACCOUNT_ACTION_MODAL_INNER_HEIGHT,
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INPUT_TOKEN_DEFAULT,
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} from 'utils/constants'
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import ConnectEmptyState from './shared/ConnectEmptyState'
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import BankAmountWithValue from './shared/BankAmountWithValue'
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import useBanksWithBalances from 'hooks/useBanksWithBalances'
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import { isMangoError } from 'types'
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import TokenListButton from './shared/TokenListButton'
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import { ACCOUNT_ACTIONS_NUMBER_FORMAT_CLASSES, BackButton } from './BorrowForm'
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import TokenLogo from './shared/TokenLogo'
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interface RepayFormProps {
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onSuccess: () => void
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token?: string
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}
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function RepayForm({ onSuccess, token }: RepayFormProps) {
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const { t } = useTranslation('common')
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const { mangoAccount } = useMangoAccount()
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const [inputAmount, setInputAmount] = useState('')
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const [submitting, setSubmitting] = useState(false)
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const [selectedToken, setSelectedToken] = useState(
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token || INPUT_TOKEN_DEFAULT,
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)
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const [showTokenList, setShowTokenList] = useState(false)
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const [sizePercentage, setSizePercentage] = useState('')
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const banks = useBanksWithBalances('borrowedAmount')
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// const { maxSolDeposit } = useSolBalance()
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const bank = useMemo(() => {
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const group = mangoStore.getState().group
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return group?.banksMapByName.get(selectedToken)?.[0]
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}, [selectedToken])
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const { connected, publicKey } = useWallet()
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const walletTokens = mangoStore((s) => s.wallet.tokens)
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const walletBalance = useMemo(() => {
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return selectedToken
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? walletBalanceForToken(walletTokens, selectedToken)
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: { maxAmount: 0, maxDecimals: 6 }
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}, [walletTokens, selectedToken])
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const borrowAmount = useMemo(() => {
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if (!mangoAccount || !bank) return new Decimal(0)
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const amount = new Decimal(
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mangoAccount.getTokenBorrowsUi(bank),
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).toDecimalPlaces(bank.mintDecimals, Decimal.ROUND_UP)
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return amount
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}, [bank, mangoAccount])
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const setMax = useCallback(() => {
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if (!bank) return
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const amount = new Decimal(borrowAmount).toDecimalPlaces(
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bank.mintDecimals,
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Decimal.ROUND_UP,
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)
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setInputAmount(amount.toFixed())
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setSizePercentage('100')
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}, [bank, borrowAmount])
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const handleSizePercentage = useCallback(
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(percentage: string) => {
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if (!bank) return
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setSizePercentage(percentage)
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const amount = new Decimal(borrowAmount)
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.mul(percentage)
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.div(100)
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.toDecimalPlaces(bank.mintDecimals, Decimal.ROUND_UP)
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setInputAmount(amount.toFixed())
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},
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[bank, borrowAmount],
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)
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const handleSelectToken = (token: string) => {
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setSelectedToken(token)
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setShowTokenList(false)
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}
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const handleDeposit = useCallback(
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async (amount: string) => {
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//to not leave some dust on account we round amount by this number
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//with reduce only set to true we take only what is needed to be
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//deposited in need to repay borrow
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const mangoAccount = mangoStore.getState().mangoAccount.current
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const client = mangoStore.getState().client
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const group = mangoStore.getState().group
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const actions = mangoStore.getState().actions
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if (!mangoAccount || !group || !bank || !publicKey) return
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// we don't want to leave negative dust in the account if someone wants to repay the full amount
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const actualAmount =
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sizePercentage === '100'
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? borrowAmount.toNumber() > parseFloat(amount)
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? borrowAmount.toNumber()
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: parseFloat(amount)
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: parseFloat(amount)
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setSubmitting(true)
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try {
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const { signature: tx, slot } = await client.tokenDeposit(
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group,
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mangoAccount,
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bank.mint,
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actualAmount,
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true,
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)
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notify({
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title: 'Transaction confirmed',
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type: 'success',
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txid: tx,
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})
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await actions.reloadMangoAccount(slot)
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actions.fetchWalletTokens(publicKey)
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setSubmitting(false)
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onSuccess()
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} catch (e) {
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console.error('Error repaying:', e)
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setSubmitting(false)
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if (!isMangoError(e)) return
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notify({
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title: 'Transaction failed',
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description: e.message,
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txid: e?.txid,
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type: 'error',
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})
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}
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},
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[bank, publicKey?.toBase58(), sizePercentage],
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)
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useEffect(() => {
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if (!selectedToken && !token && banks.length) {
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setSelectedToken(banks[0].bank.name)
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}
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}, [token, banks, selectedToken])
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const showInsufficientBalance = walletBalance.maxAmount < Number(inputAmount)
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const outstandingAmount = borrowAmount.toNumber() - parseFloat(inputAmount)
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const isDeposit = parseFloat(inputAmount) > borrowAmount.toNumber()
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return banks.length ? (
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<>
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<EnterBottomExitBottom
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className="absolute bottom-0 left-0 z-20 h-full w-full overflow-auto rounded-lg bg-th-bkg-1 p-6"
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show={showTokenList}
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>
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<BackButton onClick={() => setShowTokenList(false)} />
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<h2 className="mb-4 text-center text-lg">{t('select-repay-token')}</h2>
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<div className="flex items-center px-4 pb-2">
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<div className="w-1/2 text-left">
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<p className="text-xs">{t('token')}</p>
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</div>
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<div className="w-1/2 text-right">
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<p className="whitespace-nowrap text-xs">{t('amount-owed')}</p>
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</div>
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</div>
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<ActionTokenList
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banks={banks}
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onSelect={handleSelectToken}
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valueKey="borrowedAmount"
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/>
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</EnterBottomExitBottom>
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<FadeInFadeOut show={!showTokenList}>
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<div
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className="flex flex-col justify-between"
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style={{ height: ACCOUNT_ACTION_MODAL_INNER_HEIGHT }}
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>
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<div>
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<SolBalanceWarnings
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amount={inputAmount}
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className="mb-4"
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setAmount={setInputAmount}
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selectedToken={selectedToken}
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/>
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<div className="grid grid-cols-2">
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<div className="col-span-2 flex justify-between">
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<Label text={`${t('repay')} ${t('token')}`} />
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{bank ? (
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<MaxAmountButton
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className="mb-2"
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decimals={bank.mintDecimals}
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label={t('amount-owed')}
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onClick={setMax}
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value={borrowAmount}
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/>
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) : null}
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</div>
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<div className="col-span-1">
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<TokenListButton
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token={selectedToken}
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logo={<TokenLogo bank={bank} />}
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setShowList={setShowTokenList}
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/>
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</div>
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<div className="col-span-1">
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<NumberFormat
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name="amountIn"
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id="amountIn"
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inputMode="decimal"
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thousandSeparator=","
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allowNegative={false}
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isNumericString={true}
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decimalScale={bank?.mintDecimals || 6}
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className={ACCOUNT_ACTIONS_NUMBER_FORMAT_CLASSES}
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placeholder="0.00"
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value={inputAmount}
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onValueChange={(e: NumberFormatValues) => {
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setInputAmount(
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!Number.isNaN(Number(e.value)) ? e.value : '',
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)
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}}
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isAllowed={withValueLimit}
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/>
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</div>
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<div className="col-span-2 mt-2">
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<ButtonGroup
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activeValue={sizePercentage}
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className="font-mono"
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onChange={(p) => handleSizePercentage(p)}
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values={['10', '25', '50', '75', '100']}
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unit="%"
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/>
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</div>
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</div>
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{bank ? (
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<div className="my-6 space-y-1.5 border-y border-th-bkg-3 px-2 py-4 text-sm ">
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<HealthImpactTokenChange
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mintPk={bank.mint}
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uiAmount={Number(inputAmount)}
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isDeposit
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/>
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<div className="flex justify-between">
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<p>{t('repayment-amount')}</p>
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<BankAmountWithValue amount={inputAmount} bank={bank} />
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</div>
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{isDeposit ? (
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<div className="flex justify-between">
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<p>{t('deposit-amount')}</p>
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<BankAmountWithValue
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amount={parseFloat(inputAmount) - borrowAmount.toNumber()}
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bank={bank}
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/>
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</div>
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) : null}
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<div className="flex justify-between">
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<div className="flex items-center">
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<p>{t('outstanding-balance')}</p>
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</div>
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<p className="font-mono text-th-fgd-2">
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{outstandingAmount > 0
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? formatNumericValue(outstandingAmount, bank.mintDecimals)
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: 0}{' '}
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<span className="font-body text-th-fgd-4">
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{selectedToken}
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</span>
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</p>
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</div>
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</div>
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) : null}
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</div>
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<Button
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onClick={() => handleDeposit(inputAmount)}
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className="flex w-full items-center justify-center"
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disabled={!inputAmount || showInsufficientBalance}
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size="large"
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>
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{submitting ? (
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<Loading className="mr-2 h-5 w-5" />
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) : showInsufficientBalance ? (
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<div className="flex items-center">
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<ExclamationCircleIcon className="mr-2 h-5 w-5 flex-shrink-0" />
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{t('swap:insufficient-balance', {
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symbol: selectedToken,
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})}
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</div>
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) : (
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<div className="flex items-center">
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<ArrowDownRightIcon className="mr-2 h-5 w-5" />
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{isDeposit ? t('repay-deposit') : t('repay')}
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</div>
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)}
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</Button>
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</div>
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</FadeInFadeOut>
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</>
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) : !connected ? (
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<div className="flex h-[356px] flex-col items-center justify-center">
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<ConnectEmptyState text="Connect to repay your borrows" />
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</div>
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) : (
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<div className="flex h-[356px] flex-col items-center justify-center">
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<span className="text-2xl">😎</span>
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<p>No borrows to repay...</p>
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</div>
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)
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}
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export default RepayForm
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