mango-ui-v3/components/account_page/AccountBorrows.tsx

import { useCallback, useState } from 'react'
import {
  getTokenBySymbol,
  ZERO_I80F48,
  I80F48,
} from '@blockworks-foundation/mango-client'
import useMangoStore from '../../stores/useMangoStore'
import { useBalances } from '../../hooks/useBalances'
import {
  formatUsdValue,
  i80f48ToPercent,
  tokenPrecision,
} from '../../utils/index'
import WithdrawModal from '../WithdrawModal'
import Button from '../Button'
import DepositModal from '../DepositModal'
import { useViewport } from '../../hooks/useViewport'
import { breakpoints } from '../TradePageGrid'
import { Table, Td, Th, TrBody, TrHead } from '../TableElements'
import { ExpandableRow } from '../TableElements'
import MobileTableHeader from '../mobile/MobileTableHeader'
import { useTranslation } from 'next-i18next'
import { walletSelector } from '../../stores/selectors'
import Tooltip from '../Tooltip'

export default function AccountBorrows() {
  const { t } = useTranslation('common')
  const balances = useBalances()
  const mangoGroup = useMangoStore((s) => s.selectedMangoGroup.current)
  const mangoCache = useMangoStore((s) => s.selectedMangoGroup.cache)
  const mangoConfig = useMangoStore((s) => s.selectedMangoGroup.config)
  const mangoAccount = useMangoStore((s) => s.selectedMangoAccount.current)
  const wallet = useMangoStore(walletSelector)
  const loadingMangoAccount = useMangoStore(
    (s) => s.selectedMangoAccount.initialLoad
  )
  const connected = useMangoStore((s) => s.wallet.connected)

  const [borrowSymbol, setBorrowSymbol] = useState('')
  const [depositToSettle, setDepositToSettle] = useState(null)
  const [showBorrowModal, setShowBorrowModal] = useState(false)
  const [showDepositModal, setShowDepositModal] = useState(false)
  const { width } = useViewport()
  const isMobile = width ? width < breakpoints.sm : false
  const canWithdraw = mangoAccount?.owner.equals(wallet.publicKey)

  const handleCloseWithdraw = useCallback(() => {
    setShowBorrowModal(false)
  }, [])

  const handleCloseDeposit = useCallback(() => {
    setShowDepositModal(false)
    setDepositToSettle(null)
  }, [])

  const handleShowBorrow = (symbol) => {
    setBorrowSymbol(symbol)
    setShowBorrowModal(true)
  }

  const handleShowDeposit = (symbol, amount) => {
    setDepositToSettle({ symbol: symbol, amount: amount })
    setShowDepositModal(true)
  }

  return (
    <>
      {mangoGroup && mangoAccount ? (
        <>
          <h2 className="mb-2">{t('your-borrows')}</h2>
          {/* TODO: calculate LiabsVal without perp markets
        <div className="border border-th-red flex items-center justify-between p-2 rounded">
          <div className="pr-4 text-xs text-th-fgd-3">{t('total-borrow-value')}:</div>
          <span>
            {formatUsdValue(+mangoAccount.getLiabsVal(mangoGroup, mangoCache))}
          </span>
        </div> */}
          <div className="flex flex-col pb-8 pt-4">
            <div className="overflow-x-auto sm:-mx-6 lg:-mx-8">
              <div className="align-middle inline-block min-w-full sm:px-6 lg:px-8">
                {balances.find((b) => b.borrows.gt(ZERO_I80F48)) ? (
                  !isMobile ? (
                    <Table>
                      <thead>
                        <TrHead>
                          <Th>{t('asset')}</Th>
                          <Th>{t('balance')}</Th>
                          <Th>{t('value')}</Th>
                          <Th>{t('borrow-rate')} (APR)</Th>
                        </TrHead>
                      </thead>
                      <tbody>
                        {balances
                          .filter((assets) => assets.borrows.gt(ZERO_I80F48))
                          .map((asset) => {
                            const token = getTokenBySymbol(
                              mangoConfig,
                              asset.symbol
                            )
                            const tokenIndex = mangoGroup.getTokenIndex(
                              token.mintKey
                            )
                            return (
                              <TrBody key={tokenIndex}>
                                <Td>
                                  <div className="flex items-center">
                                    <img
                                      alt=""
                                      width="20"
                                      height="20"
                                      src={`/assets/icons/${asset.symbol.toLowerCase()}.svg`}
                                      className={`mr-2.5`}
                                    />
                                    <div>{asset.symbol}</div>
                                  </div>
                                </Td>
                                <Td>{asset.borrows.toFixed()}</Td>
                                <Td>
                                  {formatUsdValue(
                                    asset.borrows
                                      .mul(
                                        mangoGroup.getPrice(
                                          tokenIndex,
                                          mangoCache
                                        )
                                      )
                                      .toNumber()
                                  )}
                                </Td>
                                <Td>
                                  <span className={`text-th-red`}>
                                    {(
                                      mangoGroup
                                        .getBorrowRate(tokenIndex)
                                        .toNumber() * 100
                                    ).toFixed(2)}
                                    %
                                  </span>
                                </Td>
                                <Td>
                                  <div className={`flex justify-end`}>
                                    <Button
                                      onClick={() =>
                                        handleShowDeposit(
                                          asset.symbol,
                                          asset.borrows.toFixed()
                                        )
                                      }
                                      className="ml-3 text-xs pt-0 pb-0 h-8 pl-3 pr-3"
                                      disabled={
                                        !connected || loadingMangoAccount
                                      }
                                    >
                                      {t('repay')}
                                    </Button>
                                    <Button
                                      onClick={() =>
                                        handleShowBorrow(asset.symbol)
                                      }
                                      className="ml-3 text-xs pt-0 pb-0 h-8 pl-3 pr-3"
                                      disabled={
                                        !connected ||
                                        loadingMangoAccount ||
                                        !canWithdraw
                                      }
                                    >
                                      {t('borrow')}
                                    </Button>
                                  </div>
                                </Td>
                              </TrBody>
                            )
                          })}
                      </tbody>
                    </Table>
                  ) : (
                    <>
                      <MobileTableHeader
                        colOneHeader={t('asset')}
                        colTwoHeader={t('balance')}
                      />
                      {balances
                        .filter((assets) => assets.borrows.gt(ZERO_I80F48))
                        .map((asset, i) => {
                          const token = getTokenBySymbol(
                            mangoConfig,
                            asset.symbol
                          )
                          const tokenIndex = mangoGroup.getTokenIndex(
                            token.mintKey
                          )
                          return (
                            <ExpandableRow
                              buttonTemplate={
                                <div className="flex items-center justify-between text-fgd-1 w-full">
                                  <div className="flex items-center text-fgd-1">
                                    <img
                                      alt=""
                                      width="20"
                                      height="20"
                                      src={`/assets/icons/${asset.symbol.toLowerCase()}.svg`}
                                      className={`mr-2.5`}
                                    />

                                    {asset.symbol}
                                  </div>
                                  <div className="text-fgd-1 text-right">
                                    {asset.borrows.toFixed(
                                      tokenPrecision[asset.symbol]
                                    )}
                                  </div>
                                </div>
                              }
                              key={`${asset.symbol}${i}`}
                              index={i}
                              panelTemplate={
                                <>
                                  <div className="grid grid-cols-2 grid-flow-row gap-4 pb-4">
                                    <div className="text-left">
                                      <div className="pb-0.5 text-th-fgd-3 text-xs">
                                        {t('value')}
                                      </div>
                                      {formatUsdValue(
                                        asset.borrows
                                          .mul(
                                            mangoGroup.getPrice(
                                              tokenIndex,
                                              mangoCache
                                            )
                                          )
                                          .toNumber()
                                      )}
                                    </div>
                                    <div className="text-left">
                                      <div className="pb-0.5 text-th-fgd-3 text-xs">
                                        {t('borrow-rate')} (APR)
                                      </div>
                                      <span className={`text-th-red`}>
                                        {(
                                          mangoGroup
                                            .getBorrowRate(tokenIndex)
                                            .toNumber() * 100
                                        ).toFixed(2)}
                                        %
                                      </span>
                                    </div>
                                  </div>

                                  <div className="flex space-x-4">
                                    <Button
                                      onClick={() =>
                                        handleShowDeposit(
                                          asset.symbol,
                                          asset.borrows.toFixed()
                                        )
                                      }
                                      className="text-xs pt-0 pb-0 h-8 w-full"
                                      disabled={
                                        !connected || loadingMangoAccount
                                      }
                                    >
                                      {t('repay')}
                                    </Button>
                                    <Button
                                      onClick={() =>
                                        handleShowBorrow(asset.symbol)
                                      }
                                      className="text-xs pt-0 pb-0 h-8 w-full"
                                      disabled={
                                        !connected ||
                                        loadingMangoAccount ||
                                        !canWithdraw
                                      }
                                    >
                                      {t('borrow')}
                                    </Button>
                                  </div>
                                </>
                              }
                            />
                          )
                        })}
                    </>
                  )
                ) : (
                  <div
                    className={`w-full text-center py-6 bg-th-bkg-1 text-th-fgd-3 rounded-md`}
                  >
                    {t('no-borrows')}
                  </div>
                )}
              </div>
            </div>
          </div>
        </>
      ) : null}
      <h2 className="mb-2">{t('all-assets')}</h2>
      <div className="flex flex-col pb-2 pt-4">
        <div className="overflow-x-auto sm:-mx-6 lg:-mx-8">
          <div className="align-middle inline-block min-w-full sm:px-6 lg:px-8">
            {!isMobile ? (
              <Table>
                <thead>
                  <TrHead>
                    <Th>{t('asset')}</Th>
                    <Th>{t('price')}</Th>
                    <Th>Deposit APR</Th>
                    <Th>Borrow APR</Th>
                    {mangoAccount ? <Th>{t('max-borrow')}</Th> : null}
                    <Th>{t('liquidity')}</Th>
                  </TrHead>
                </thead>
                <tbody>
                  {mangoConfig.tokens.map((token, i) => {
                    const tokenIndex = mangoGroup.getTokenIndex(token.mintKey)
                    return (
                      <TrBody key={`${token.symbol}${i}`}>
                        <Td>
                          <div className="flex items-center">
                            <img
                              alt=""
                              width="20"
                              height="20"
                              src={`/assets/icons/${token.symbol.toLowerCase()}.svg`}
                              className={`mr-2.5`}
                            />
                            <div>{token.symbol}</div>
                          </div>
                        </Td>
                        <Td>
                          {formatUsdValue(
                            mangoGroup
                              .getPrice(tokenIndex, mangoCache)
                              .toNumber()
                          )}
                        </Td>
                        <Td>
                          <span className={`text-th-green`}>
                            {i80f48ToPercent(
                              mangoGroup.getDepositRate(tokenIndex)
                            ).toFixed(2)}
                            %
                          </span>
                        </Td>
                        <Td>
                          <span className={`text-th-red`}>
                            {i80f48ToPercent(
                              mangoGroup.getBorrowRate(tokenIndex)
                            ).toFixed(2)}
                            %
                          </span>
                        </Td>
                        {mangoAccount ? (
                          <Td>
                            {mangoAccount
                              .getMaxWithBorrowForToken(
                                mangoGroup,
                                mangoCache,
                                tokenIndex
                              )
                              .mul(I80F48.fromString('0.995'))
                              .toNumber() > 0
                              ? mangoAccount
                                  .getMaxWithBorrowForToken(
                                    mangoGroup,
                                    mangoCache,
                                    tokenIndex
                                  )
                                  .mul(I80F48.fromString('0.995'))
                                  .toNumber()
                                  .toLocaleString(undefined, {
                                    minimumFractionDigits:
                                      tokenPrecision[token.symbol],
                                    maximumFractionDigits:
                                      tokenPrecision[token.symbol],
                                  })
                              : 0}
                          </Td>
                        ) : null}
                        <Td>
                          {mangoGroup
                            .getUiTotalDeposit(tokenIndex)
                            .sub(mangoGroup.getUiTotalBorrow(tokenIndex))
                            .toNumber()
                            .toLocaleString(undefined, {
                              minimumFractionDigits:
                                tokenPrecision[token.symbol],
                              maximumFractionDigits:
                                tokenPrecision[token.symbol],
                            })}
                        </Td>
                        <Td>
                          <div className={`flex justify-end`}>
                            <Tooltip
                              content={connected ? '' : t('connect-wallet')}
                            >
                              <Button
                                onClick={() => handleShowBorrow(token.symbol)}
                                className="text-xs pt-0 pb-0 h-8 pl-3 pr-3 ml-3"
                                disabled={
                                  !connected ||
                                  loadingMangoAccount ||
                                  !canWithdraw
                                }
                              >
                                {t('borrow')}
                              </Button>
                            </Tooltip>
                          </div>
                        </Td>
                      </TrBody>
                    )
                  })}
                </tbody>
              </Table>
            ) : (
              <>
                <MobileTableHeader
                  colOneHeader={t('asset')}
                  colTwoHeader={`${t('deposit')}/${t('borrow-rate')}`}
                />
                {mangoConfig.tokens.map((token, i) => {
                  const tokenIndex = mangoGroup.getTokenIndex(token.mintKey)
                  return (
                    <ExpandableRow
                      buttonTemplate={
                        <div className="flex items-center justify-between text-fgd-1 w-full">
                          <div className="flex items-center">
                            <img
                              alt=""
                              width="20"
                              height="20"
                              src={`/assets/icons/${token.symbol.toLowerCase()}.svg`}
                              className={`mr-2.5`}
                            />

                            {token.symbol}
                          </div>
                          <div className="flex">
                            <span className="text-th-green">
                              {i80f48ToPercent(
                                mangoGroup.getDepositRate(tokenIndex)
                              ).toFixed(2)}
                              %
                            </span>
                            <span className="px-0.5 text-th-fgd-4">/</span>
                            <span className="text-th-red">
                              {i80f48ToPercent(
                                mangoGroup.getBorrowRate(tokenIndex)
                              ).toFixed(2)}
                              %
                            </span>
                          </div>
                        </div>
                      }
                      key={`${token.symbol}${i}`}
                      index={i}
                      panelTemplate={
                        <div className="grid grid-cols-2 grid-flow-row gap-4">
                          <div className="text-left">
                            <div className="pb-0.5 text-th-fgd-3 text-xs">
                              {t('price')}
                            </div>
                            {formatUsdValue(
                              mangoGroup
                                .getPrice(tokenIndex, mangoCache)
                                .toNumber()
                            )}
                          </div>
                          <div className="text-left">
                            <div className="pb-0.5 text-th-fgd-3 text-xs">
                              {t('max-borrow')}
                            </div>
                            {mangoAccount
                              ? mangoAccount
                                  .getMaxWithBorrowForToken(
                                    mangoGroup,
                                    mangoCache,
                                    tokenIndex
                                  )
                                  .mul(I80F48.fromString('0.995'))
                                  .toNumber()
                                  .toLocaleString(undefined, {
                                    minimumFractionDigits:
                                      tokenPrecision[token.symbol],
                                    maximumFractionDigits:
                                      tokenPrecision[token.symbol],
                                  })
                              : null}
                          </div>
                          <div className="text-left">
                            <div className="pb-0.5 text-th-fgd-3 text-xs">
                              {t('liquidity')}
                            </div>
                            {mangoGroup
                              .getUiTotalDeposit(tokenIndex)
                              .sub(mangoGroup.getUiTotalBorrow(tokenIndex))
                              .toNumber()
                              .toLocaleString(undefined, {
                                minimumFractionDigits:
                                  tokenPrecision[token.symbol],
                                maximumFractionDigits:
                                  tokenPrecision[token.symbol],
                              })}
                          </div>
                          <Button
                            onClick={() => handleShowBorrow(token.symbol)}
                            className="text-xs pt-0 pb-0 h-8 w-full"
                            disabled={
                              !connected || loadingMangoAccount || !canWithdraw
                            }
                          >
                            {t('borrow')}
                          </Button>
                        </div>
                      }
                    />
                  )
                })}
              </>
            )}
          </div>
        </div>
      </div>
      {showBorrowModal && (
        <WithdrawModal
          isOpen={showBorrowModal}
          onClose={handleCloseWithdraw}
          tokenSymbol={borrowSymbol}
          title={t('borrow-withdraw')}
          borrow
        />
      )}
      {showDepositModal && (
        <DepositModal
          isOpen={showDepositModal}
          onClose={handleCloseDeposit}
          repayAmount={depositToSettle.amount}
          tokenSymbol={depositToSettle.symbol}
        />
      )}
    </>
  )
}