247 lines
7.8 KiB
TypeScript
247 lines
7.8 KiB
TypeScript
import useMangoGroup from 'hooks/useMangoGroup'
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import { useMemo } from 'react'
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import { SHOW_INACTIVE_POSITIONS_KEY, STAKEABLE_TOKENS } from 'utils/constants'
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import TokenLogo from './shared/TokenLogo'
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import Button from './shared/Button'
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import { formatTokenSymbol } from 'utils/tokens'
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import mangoStore from '@store/mangoStore'
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import Switch from './forms/Switch'
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import useLocalStorageState from 'hooks/useLocalStorageState'
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import useStakeAccounts from 'hooks/useStakeAccounts'
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import FormatNumericValue from './shared/FormatNumericValue'
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import {
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Bank,
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MangoAccount,
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toUiDecimalsForQuote,
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} from '@blockworks-foundation/mango-v4'
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import useBankRates from 'hooks/useBankRates'
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const set = mangoStore.getState().set
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const BORROW_TOKEN = 'SOL'
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type Position = {
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borrowBalance: number
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stakeBalance: number
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bank: Bank
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acct: MangoAccount | undefined
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}
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const getLiquidationRatio = (
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borrowBalance: number,
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stakeBalance: number,
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stakeBank: Bank,
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borrowBank: Bank,
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) => {
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return (
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(Math.abs(borrowBalance) * borrowBank.maintLiabWeight.toNumber()) /
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(stakeBalance * stakeBank.maintAssetWeight.toNumber())
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).toFixed(3)
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}
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const Positions = ({
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setActiveTab,
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}: {
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setActiveTab: (tab: string) => void
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}) => {
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const { group } = useMangoGroup()
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const [showInactivePositions, setShowInactivePositions] =
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useLocalStorageState(SHOW_INACTIVE_POSITIONS_KEY, true)
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const { stakeAccounts } = useStakeAccounts()
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const borrowBank = useMemo(() => {
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return group?.banksMapByName.get(BORROW_TOKEN)?.[0]
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}, [group])
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const banks = useMemo(() => {
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if (!group) return []
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const positionBanks = []
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for (const token of STAKEABLE_TOKENS) {
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const bank = group.banksMapByName.get(token)?.[0]
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positionBanks.push(bank)
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}
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return positionBanks
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}, [group])
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const positions = useMemo(() => {
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const positions = []
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for (const bank of banks) {
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if (!bank) continue
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const acct = stakeAccounts?.find((acc) => acc.getTokenBalanceUi(bank) > 0)
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const stakeBalance = acct ? acct.getTokenBalanceUi(bank) : 0
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const borrowBalance =
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acct && borrowBank ? acct.getTokenBalanceUi(borrowBank) : 0
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positions.push({ borrowBalance, stakeBalance, bank, acct })
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}
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const sortedPositions = positions.sort(
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(a, b) => b.stakeBalance - a.stakeBalance,
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)
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return showInactivePositions
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? sortedPositions
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: sortedPositions.filter((pos) => pos.stakeBalance > 0)
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}, [banks, showInactivePositions, stakeAccounts, borrowBank])
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const numberOfPositions = useMemo(() => {
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if (!positions.length) return 0
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return positions.filter((pos) => pos.stakeBalance > 0).length
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}, [positions])
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return (
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<>
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<div className="mb-2 flex items-center justify-between rounded-lg border-2 border-th-fgd-1 bg-th-bkg-1 px-6 py-3.5">
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<p className="font-medium">{`You have ${numberOfPositions} active position${
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numberOfPositions !== 1 ? 's' : ''
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}`}</p>
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<Switch
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checked={showInactivePositions}
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onChange={(checked) => setShowInactivePositions(checked)}
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>
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Show Inactive
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</Switch>
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</div>
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<div className="grid grid-cols-1 gap-2">
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{positions.length ? (
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positions.map((position) => {
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return position.bank ? (
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<PositionItem
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key={position.bank.name}
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position={position}
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setActiveTab={setActiveTab}
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borrowBank={borrowBank}
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/>
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) : null
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})
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) : (
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<div className="flex justify-center rounded-2xl border-2 border-th-fgd-1 bg-th-bkg-1 p-6">
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<span>Nothing to see here...</span>
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</div>
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)}
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</div>
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</>
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)
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}
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const PositionItem = ({
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position,
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setActiveTab,
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borrowBank,
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}: {
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position: Position
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setActiveTab: (v: string) => void
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borrowBank: Bank | undefined
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}) => {
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const { group } = useMangoGroup()
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const { stakeBalance, borrowBalance, bank, acct } = position
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const handleAddOrManagePosition = (token: string) => {
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setActiveTab('Boost!')
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set((state) => {
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state.selectedToken = token
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})
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}
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const leverage = useMemo(() => {
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if (!group || !acct) return 0
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const accountValue = toUiDecimalsForQuote(acct.getEquity(group).toNumber())
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const assetsValue = toUiDecimalsForQuote(
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acct.getAssetsValue(group).toNumber(),
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)
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if (isNaN(assetsValue / accountValue)) {
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return 0
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} else {
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return Math.abs(1 - assetsValue / accountValue) + 1
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}
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}, [group, acct])
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const [liqRatio, liqPriceChangePercentage] = useMemo(() => {
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if (!borrowBalance || !borrowBank) return ['0.00', '']
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const liqRatio = getLiquidationRatio(
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borrowBalance,
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stakeBalance,
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bank,
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borrowBank,
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)
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const currentPriceRatio = bank.uiPrice / borrowBank.uiPrice
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const liqPriceChangePercentage =
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((parseFloat(liqRatio) - currentPriceRatio) / currentPriceRatio) * 100
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return [liqRatio, liqPriceChangePercentage.toFixed(2)]
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}, [bank, borrowBalance, borrowBank, stakeBalance])
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const { estimatedNetAPY } = useBankRates(bank.name, leverage)
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return (
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<div className="rounded-2xl border-2 border-th-fgd-1 bg-th-bkg-1 p-6">
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<div className="mb-4 flex flex-col border-b border-th-bkg-3 pb-4 md:flex-row md:items-center md:justify-between">
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<div className="mb-4 flex items-center space-x-3 md:mb-0">
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<div
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className={`inner-shadow-bottom-sm flex h-12 w-12 items-center justify-center rounded-full border border-th-bkg-2 bg-gradient-to-b from-th-bkg-1 to-th-bkg-2`}
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>
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<TokenLogo bank={bank} size={28} />
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</div>
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<div>
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<h3>{formatTokenSymbol(bank.name)}</h3>
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{/* <span
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className={`text-sm ${
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stakeBalance ? 'text-th-fgd-1' : 'text-th-fgd-4'
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}`}
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>
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{stakeBalance ? 'Opened 2 weeks ago' : 'No Position'}
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</span> */}
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</div>
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</div>
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<Button onClick={() => handleAddOrManagePosition(bank.name)}>
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<p className="mb-1 text-base tracking-wider text-th-bkg-1">
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{stakeBalance ? 'Manage' : 'Add Position'}
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</p>
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</Button>
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</div>
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<div className="grid grid-cols-1 gap-4 sm:grid-cols-2">
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<div>
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<p className="mb-1 text-th-fgd-4">Position Size</p>
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<span className="text-xl font-bold text-th-fgd-1">
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<FormatNumericValue value={stakeBalance} decimals={6} />{' '}
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{formatTokenSymbol(bank.name)}
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</span>
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</div>
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<div>
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<p className="mb-1 text-th-fgd-4">Est. APY</p>
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<span className="text-xl font-bold text-th-fgd-1">
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<FormatNumericValue value={estimatedNetAPY} decimals={2} />%
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</span>
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</div>
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<div>
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<p className="mb-1 text-th-fgd-4">Leverage</p>
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<span className="text-xl font-bold text-th-fgd-1">
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{leverage ? leverage.toFixed(2) : 0.0}x
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</span>
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</div>
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{/* <div>
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<p className="mb-1 text-th-fgd-4">Earned</p>
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<span className="text-xl font-bold text-th-fgd-1">
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{stakeBalance
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? `X.XX ${formatTokenSymbol(bank.name)}`
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: `0 ${formatTokenSymbol(bank.name)}`}
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</span>
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</div> */}
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<div>
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<p className="mb-1 text-th-fgd-4">Est. Liquidation Ratio</p>
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<div className="flex flex-wrap items-end">
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<span className="mr-2 whitespace-nowrap text-xl font-bold text-th-fgd-1">
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{liqRatio} {`${formatTokenSymbol(bank.name)}/${BORROW_TOKEN}`}
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</span>
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{liqPriceChangePercentage ? (
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<p className="mb-0.5 text-th-error">
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{liqPriceChangePercentage}%
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</p>
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) : null}
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</div>
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</div>
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</div>
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</div>
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)
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}
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export default Positions
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