610 lines
21 KiB
TypeScript
610 lines
21 KiB
TypeScript
import React, { FunctionComponent, useEffect, useMemo, useState } from 'react'
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import Modal from './Modal'
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import Input from './Input'
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import { ElementTitle } from './styles'
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import useMangoStore from '../stores/useMangoStore'
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import { floorToDecimal, tokenPrecision } from '../utils/index'
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import Loading from './Loading'
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import Slider from './Slider'
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import Button, { LinkButton } from './Button'
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import Switch from './Switch'
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import Tooltip from './Tooltip'
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import {
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ExclamationCircleIcon,
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InformationCircleIcon,
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} from '@heroicons/react/outline'
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import {
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ChevronLeftIcon,
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ChevronDownIcon,
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ChevronUpIcon,
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} from '@heroicons/react/solid'
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import { Disclosure } from '@headlessui/react'
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import Select from './Select'
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import { withdraw } from '../utils/mango'
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import {
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ZERO_I80F48,
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I80F48,
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MangoAccount,
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nativeI80F48ToUi,
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} from '@blockworks-foundation/mango-client'
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import { notify } from '../utils/notifications'
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interface WithdrawModalProps {
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onClose: () => void
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isOpen: boolean
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title?: string
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tokenSymbol?: string
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borrow?: boolean
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}
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const WithdrawModal: FunctionComponent<WithdrawModalProps> = ({
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isOpen,
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onClose,
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tokenSymbol = '',
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borrow = false,
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title,
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}) => {
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const [withdrawTokenSymbol, setWithdrawTokenSymbol] = useState(
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tokenSymbol || 'USDC'
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)
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const [inputAmount, setInputAmount] = useState('')
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const [invalidAmountMessage, setInvalidAmountMessage] = useState('')
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const [maxAmount, setMaxAmount] = useState(0)
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const [submitting, setSubmitting] = useState(false)
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const [includeBorrow, setIncludeBorrow] = useState(borrow)
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const [simulation, setSimulation] = useState(null)
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const [showSimulation, setShowSimulation] = useState(false)
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const [sliderPercentage, setSliderPercentage] = useState(0)
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const [maxButtonTransition, setMaxButtonTransition] = useState(false)
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const actions = useMangoStore((s) => s.actions)
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const mangoGroup = useMangoStore((s) => s.selectedMangoGroup.current)
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const mangoAccount = useMangoStore((s) => s.selectedMangoAccount.current)
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const mangoCache = useMangoStore((s) => s.selectedMangoGroup.cache)
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const mangoGroupConfig = useMangoStore((s) => s.selectedMangoGroup.config)
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const tokens = useMemo(() => mangoGroupConfig.tokens, [mangoGroupConfig])
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const token = useMemo(
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() => tokens.find((t) => t.symbol === withdrawTokenSymbol),
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[withdrawTokenSymbol, tokens]
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)
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const tokenIndex = mangoGroup.getTokenIndex(token.mintKey)
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useEffect(() => {
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if (!mangoGroup || !mangoAccount || !withdrawTokenSymbol) return
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const mintDecimals = mangoGroup.tokens[tokenIndex].decimals
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const tokenDeposits = mangoAccount.getUiDeposit(
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mangoCache.rootBankCache[tokenIndex],
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mangoGroup,
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tokenIndex
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)
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const tokenBorrows = mangoAccount.getUiBorrow(
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mangoCache.rootBankCache[tokenIndex],
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mangoGroup,
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tokenIndex
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)
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const maxWithoutBorrows = nativeI80F48ToUi(
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mangoAccount
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.getAvailableBalance(mangoGroup, mangoCache, tokenIndex)
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.floor(),
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mangoGroup.tokens[tokenIndex].decimals
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)
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const maxWithBorrows = mangoAccount
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.getMaxWithBorrowForToken(mangoGroup, mangoCache, tokenIndex)
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.add(maxWithoutBorrows)
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.mul(I80F48.fromString('0.995')) // handle rounding errors when borrowing
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// get max withdraw amount
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let maxWithdraw = maxWithoutBorrows
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if (includeBorrow) {
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maxWithdraw = maxWithoutBorrows.gt(maxWithBorrows)
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? maxWithoutBorrows
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: maxWithBorrows
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}
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if (maxWithdraw.gt(I80F48.fromNumber(0))) {
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setMaxAmount(
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floorToDecimal(parseFloat(maxWithdraw.toFixed()), token.decimals)
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)
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} else {
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setMaxAmount(0)
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}
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// simulate change to deposits & borrow based on input amount
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const parsedInputAmount = inputAmount
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? I80F48.fromString(inputAmount)
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: ZERO_I80F48
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let newDeposit = tokenDeposits.sub(parsedInputAmount)
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newDeposit = newDeposit.gt(ZERO_I80F48) ? newDeposit : ZERO_I80F48
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let newBorrow = parsedInputAmount.sub(tokenDeposits)
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newBorrow = newBorrow.gt(ZERO_I80F48) ? newBorrow : ZERO_I80F48
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newBorrow = newBorrow.add(tokenBorrows)
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// clone MangoAccount and arrays to not modify selectedMangoAccount
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const simulation = new MangoAccount(null, mangoAccount)
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simulation.deposits = [...mangoAccount.deposits]
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simulation.borrows = [...mangoAccount.borrows]
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// update with simulated values
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simulation.deposits[tokenIndex] = newDeposit
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.mul(I80F48.fromNumber(Math.pow(10, mintDecimals)))
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.div(mangoCache.rootBankCache[tokenIndex].depositIndex)
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simulation.borrows[tokenIndex] = newBorrow
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.mul(I80F48.fromNumber(Math.pow(10, mintDecimals)))
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.div(mangoCache.rootBankCache[tokenIndex].borrowIndex)
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const liabsVal = simulation
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.getLiabsVal(mangoGroup, mangoCache, 'Init')
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.toNumber()
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const leverage = simulation.getLeverage(mangoGroup, mangoCache).toNumber()
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const equity = simulation.computeValue(mangoGroup, mangoCache).toNumber()
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const initHealthRatio = simulation
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.getHealthRatio(mangoGroup, mangoCache, 'Init')
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.toNumber()
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setSimulation({
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initHealthRatio,
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liabsVal,
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leverage,
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equity,
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})
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}, [
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includeBorrow,
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inputAmount,
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tokenIndex,
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mangoAccount,
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mangoGroup,
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mangoCache,
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])
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const handleWithdraw = () => {
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setSubmitting(true)
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withdraw({
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amount: Number(inputAmount),
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token: mangoGroup.tokens[tokenIndex].mint,
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allowBorrow: includeBorrow,
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})
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.then((txid: string) => {
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setSubmitting(false)
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actions.reloadMangoAccount()
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actions.fetchWalletTokens()
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notify({
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title: 'Withdraw successful',
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type: 'success',
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txid,
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})
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onClose()
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})
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.catch((err) => {
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setSubmitting(false)
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console.error('Error withdrawing:', err)
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notify({
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title: 'Could not perform withdraw',
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description: err.message,
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txid: err.txid,
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type: 'error',
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})
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onClose()
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})
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}
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const handleSetSelectedAsset = (symbol) => {
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setInputAmount('')
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setSliderPercentage(0)
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setWithdrawTokenSymbol(symbol)
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}
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const getDepositsForSelectedAsset = (): I80F48 => {
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return mangoAccount.getUiDeposit(
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mangoCache.rootBankCache[tokenIndex],
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mangoGroup,
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tokenIndex
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)
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}
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const getBorrowAmount = () => {
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const tokenBalance = getDepositsForSelectedAsset()
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const borrowAmount = I80F48.fromString(inputAmount).sub(tokenBalance)
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return borrowAmount.gt(ZERO_I80F48) ? borrowAmount : 0
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}
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const getAccountStatusColor = (
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initHealthRatio: number,
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isRisk?: boolean,
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isStatus?: boolean
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) => {
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if (initHealthRatio < 1) {
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return isRisk ? (
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<div className="text-th-red">High</div>
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) : isStatus ? (
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'bg-th-red'
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) : (
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'border-th-red text-th-red'
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)
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} else if (initHealthRatio > 1 && initHealthRatio < 10) {
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return isRisk ? (
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<div className="text-th-orange">Moderate</div>
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) : isStatus ? (
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'bg-th-orange'
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) : (
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'border-th-orange text-th-orange'
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)
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} else {
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return isRisk ? (
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<div className="text-th-green">Low</div>
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) : isStatus ? (
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'bg-th-green'
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) : (
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'border-th-green text-th-green'
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)
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}
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}
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const handleIncludeBorrowSwitch = (checked) => {
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setIncludeBorrow(checked)
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setInputAmount('')
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setSliderPercentage(0)
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setInvalidAmountMessage('')
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}
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const setMaxForSelectedAsset = async () => {
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setInputAmount(maxAmount.toString())
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setSliderPercentage(100)
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setInvalidAmountMessage('')
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setMaxButtonTransition(true)
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}
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const onChangeAmountInput = (amount: string) => {
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setInputAmount(amount)
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setSliderPercentage((Number(amount) / maxAmount) * 100)
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setInvalidAmountMessage('')
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}
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const onChangeSlider = async (percentage) => {
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const amount = (percentage / 100) * maxAmount
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if (percentage === 100) {
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setInputAmount(maxAmount.toString())
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} else {
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setInputAmount(floorToDecimal(amount, token.decimals).toString())
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}
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setSliderPercentage(percentage)
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setInvalidAmountMessage('')
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validateAmountInput(amount)
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}
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const validateAmountInput = (amount) => {
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const parsedAmount = Number(amount)
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if (
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(getDepositsForSelectedAsset() === ZERO_I80F48 ||
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getDepositsForSelectedAsset().lt(I80F48.fromNumber(parsedAmount))) &&
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!includeBorrow
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) {
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setInvalidAmountMessage('Insufficient balance. Borrow funds to withdraw')
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}
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}
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useEffect(() => {
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if (simulation && simulation.initHealthRatio < 0 && includeBorrow) {
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setInvalidAmountMessage(
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'Leverage too high. Reduce the amount to withdraw'
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)
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}
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}, [simulation])
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const getTokenBalances = () => {
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const mangoCache = useMangoStore.getState().selectedMangoGroup.cache
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const mangoGroup = useMangoStore.getState().selectedMangoGroup.current
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return tokens.map((token) => {
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const tokenIndex = mangoGroup.getTokenIndex(token.mintKey)
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return {
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symbol: token.symbol,
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balance: mangoAccount
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.getUiDeposit(
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mangoCache.rootBankCache[tokenIndex],
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mangoGroup,
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tokenIndex
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)
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.toFixed(tokenPrecision[token.symbol]),
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}
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})
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}
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// turn off slider transition for dragging slider handle interaction
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useEffect(() => {
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if (maxButtonTransition) {
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setMaxButtonTransition(false)
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}
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}, [maxButtonTransition])
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if (!withdrawTokenSymbol) return null
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return (
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<Modal isOpen={isOpen} onClose={onClose}>
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<>
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{!showSimulation ? (
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<>
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<Modal.Header>
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<ElementTitle noMarignBottom>
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{title ? title : 'Withdraw Funds'}
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</ElementTitle>
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</Modal.Header>
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<div className="pb-2 text-th-fgd-1">Asset</div>
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<Select
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value={
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withdrawTokenSymbol && mangoAccount ? (
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<div className="flex items-center justify-between w-full">
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<div className="flex items-center">
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<img
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alt=""
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width="20"
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height="20"
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src={`/assets/icons/${withdrawTokenSymbol.toLowerCase()}.svg`}
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className={`mr-2.5`}
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/>
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{withdrawTokenSymbol}
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</div>
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{mangoAccount
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.getUiDeposit(
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mangoCache.rootBankCache[tokenIndex],
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mangoGroup,
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tokenIndex
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)
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.toFixed(tokenPrecision[withdrawTokenSymbol])}
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</div>
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) : (
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<span className="text-th-fgd-4">Select an asset</span>
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)
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}
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onChange={(asset) => handleSetSelectedAsset(asset)}
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>
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{getTokenBalances().map(({ symbol, balance }) => (
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<Select.Option key={symbol} value={symbol}>
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<div className="flex items-center justify-between">
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<div className="flex items-center">
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<img
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alt=""
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width="20"
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height="20"
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src={`/assets/icons/${symbol.toLowerCase()}.svg`}
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className={`mr-2.5`}
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/>
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<span>{symbol}</span>
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</div>
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{balance}
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</div>
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</Select.Option>
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))}
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</Select>
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<div className="flex items-center jusitfy-between text-th-fgd-1 mt-4 p-2 rounded-md bg-th-bkg-3">
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<div className="flex items-center text-fgd-1 pr-4">
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<span>Borrow Funds</span>
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<Tooltip content="Interest is charged on your borrowed balance and is subject to change.">
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<InformationCircleIcon
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className={`h-5 w-5 ml-2 text-th-fgd-3 cursor-help`}
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/>
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</Tooltip>
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</div>
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<Switch
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checked={includeBorrow}
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className="ml-auto"
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onChange={(checked) => handleIncludeBorrowSwitch(checked)}
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/>
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</div>
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<div className="flex justify-between pb-2 pt-4">
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<div className="text-th-fgd-1">Amount</div>
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<div className="flex space-x-4">
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<button
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className="font-normal text-th-fgd-1 underline cursor-pointer default-transition hover:text-th-primary hover:no-underline focus:outline-none disabled:opacity-50 disabled:cursor-not-allowed"
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disabled={
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!includeBorrow &&
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getDepositsForSelectedAsset().eq(ZERO_I80F48)
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}
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onClick={setMaxForSelectedAsset}
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>
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Max
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</button>
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</div>
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</div>
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<div className="flex">
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<Input
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disabled={!withdrawTokenSymbol}
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type="number"
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min="0"
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className={`border border-th-fgd-4 flex-grow pr-11`}
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error={!!invalidAmountMessage}
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placeholder="0.00"
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value={inputAmount}
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onBlur={(e) => validateAmountInput(e.target.value)}
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onChange={(e) => onChangeAmountInput(e.target.value)}
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suffix={withdrawTokenSymbol}
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/>
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{simulation ? (
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<Tooltip
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placement="right"
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content="Projected Leverage"
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className="py-1"
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>
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<span
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className={`${getAccountStatusColor(
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simulation.initHealthRatio
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)} bg-th-bkg-1 border flex font-semibold h-10 items-center justify-center ml-2 rounded text-th-fgd-1 w-14`}
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>
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{simulation.leverage.toFixed(2)}x
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</span>
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</Tooltip>
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) : null}
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</div>
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{invalidAmountMessage ? (
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<div className="flex items-center pt-1.5 text-th-red">
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<ExclamationCircleIcon className="h-4 w-4 mr-1.5" />
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{invalidAmountMessage}
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</div>
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) : null}
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<div className="pt-3 pb-4">
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<Slider
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disabled={!withdrawTokenSymbol}
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value={sliderPercentage}
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onChange={(v) => onChangeSlider(v)}
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step={1}
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maxButtonTransition={maxButtonTransition}
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/>
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</div>
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<div className={`pt-8 flex justify-center`}>
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<Button
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onClick={() => setShowSimulation(true)}
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disabled={
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Number(inputAmount) <= 0 || simulation?.initHealthRatio < 0
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}
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className="w-full"
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>
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Next
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</Button>
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</div>
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</>
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) : null}
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{showSimulation && simulation ? (
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<>
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<Modal.Header>
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<ElementTitle noMarignBottom>Confirm Withdraw</ElementTitle>
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</Modal.Header>
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{simulation.initHealthRatio < 0 ? (
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<div className="border border-th-red mb-4 p-2 rounded">
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<div className="flex items-center text-th-red">
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<ExclamationCircleIcon className="h-4 w-4 mr-1.5 flex-shrink-0" />
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Prices have changed and increased your leverage. Reduce the
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withdrawal amount.
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</div>
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</div>
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) : null}
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<div className="bg-th-bkg-1 p-4 rounded-lg text-th-fgd-1 text-center">
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<div className="text-th-fgd-3 pb-1">{`You're about to withdraw`}</div>
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<div className="flex items-center justify-center">
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<div className="font-semibold relative text-xl">
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{inputAmount}
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<span className="absolute bottom-0.5 font-normal ml-1.5 text-xs text-th-fgd-4">
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{withdrawTokenSymbol}
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</span>
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</div>
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</div>
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{getBorrowAmount() > 0 ? (
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<div className="pt-2 text-th-fgd-4">{`Includes borrow of ~${getBorrowAmount().toFixed(
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mangoGroup.tokens[tokenIndex].decimals
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)} ${withdrawTokenSymbol}`}</div>
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) : null}
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</div>
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<Disclosure>
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{({ open }) => (
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<>
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<Disclosure.Button
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className={`border border-th-fgd-4 default-transition font-normal mt-4 pl-3 pr-2 py-2.5 ${
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open ? 'rounded-b-none' : 'rounded-md'
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} text-th-fgd-1 w-full hover:bg-th-bkg-3 focus:outline-none`}
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>
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<div className="flex items-center justify-between">
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<div className="flex items-center">
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<span className="flex h-2 w-2 mr-2.5 relative">
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<span
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className={`animate-ping absolute inline-flex h-full w-full rounded-full ${getAccountStatusColor(
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simulation.initHealthRatio,
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false,
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true
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)} opacity-75`}
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></span>
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<span
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className={`relative inline-flex rounded-full h-2 w-2 ${getAccountStatusColor(
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simulation.initHealthRatio,
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false,
|
|
true
|
|
)}`}
|
|
></span>
|
|
</span>
|
|
Account Health Check
|
|
<Tooltip content="The details of your account after this withdrawal.">
|
|
<InformationCircleIcon
|
|
className={`h-5 w-5 ml-2 text-th-fgd-3 cursor-help`}
|
|
/>
|
|
</Tooltip>
|
|
</div>
|
|
{open ? (
|
|
<ChevronUpIcon className="h-5 w-5 mr-1" />
|
|
) : (
|
|
<ChevronDownIcon className="h-5 w-5 mr-1" />
|
|
)}
|
|
</div>
|
|
</Disclosure.Button>
|
|
<Disclosure.Panel
|
|
className={`border border-th-fgd-4 border-t-0 p-4 rounded-b-md`}
|
|
>
|
|
{simulation ? (
|
|
<div>
|
|
<div className="flex justify-between pb-2">
|
|
<div className="text-th-fgd-4">Account Value</div>
|
|
<div className="text-th-fgd-1">
|
|
${simulation.equity.toFixed(2)}
|
|
</div>
|
|
</div>
|
|
<div className="flex justify-between pb-2">
|
|
<div className="text-th-fgd-4">Account Risk</div>
|
|
<div className="text-th-fgd-1">
|
|
{getAccountStatusColor(
|
|
simulation.initHealthRatio,
|
|
true
|
|
)}
|
|
</div>
|
|
</div>
|
|
<div className="flex justify-between pb-2">
|
|
<div className="text-th-fgd-4">Leverage</div>
|
|
<div className="text-th-fgd-1">
|
|
{simulation.leverage.toFixed(2)}x
|
|
</div>
|
|
</div>
|
|
|
|
<div className="flex justify-between">
|
|
<div className="text-th-fgd-4">Borrow Value</div>
|
|
<div className="text-th-fgd-1">
|
|
${simulation.liabsVal.toFixed(2)}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
) : null}
|
|
</Disclosure.Panel>
|
|
</>
|
|
)}
|
|
</Disclosure>
|
|
<div className={`mt-5 flex justify-center`}>
|
|
<Button
|
|
onClick={handleWithdraw}
|
|
disabled={
|
|
Number(inputAmount) <= 0 ||
|
|
simulation.initHealthRatio < 0 ||
|
|
submitting
|
|
}
|
|
className="w-full"
|
|
>
|
|
<div className={`flex items-center justify-center`}>
|
|
{submitting && <Loading className="-ml-1 mr-3" />}
|
|
Withdraw
|
|
</div>
|
|
</Button>
|
|
</div>
|
|
<LinkButton
|
|
className="flex items-center mt-4 text-th-fgd-3"
|
|
onClick={() => setShowSimulation(false)}
|
|
>
|
|
<ChevronLeftIcon className="h-5 w-5 mr-1" />
|
|
Back
|
|
</LinkButton>
|
|
</>
|
|
) : null}
|
|
</>
|
|
</Modal>
|
|
)
|
|
}
|
|
|
|
export default React.memo(WithdrawModal)
|