fix: bring wrap ui to spec (#3577)

src/lib/components/Swap/Status/StatusDialog.tsx

 import { Trans } from '@lingui/macro'
 import ErrorDialog, { StatusHeader } from 'lib/components/Error/ErrorDialog'
 import EtherscanLink from 'lib/components/EtherscanLink'
+import Rule from 'lib/components/Rule'
 import SwapSummary from 'lib/components/Swap/Summary'
 import useInterval from 'lib/hooks/useInterval'
 import { CheckCircle, Clock, Spinner } from 'lib/icons'
@@ -84,6 +85,7 @@ function TransactionStatus({ tx, onClose }: TransactionStatusProps) {
           <SwapSummary input={tx.info.inputCurrencyAmount} output={tx.info.outputCurrencyAmount} />
         ) : null}
       </StatusHeader>
+      <Rule />
       <TransactionRow flex>
         <ThemedText.ButtonSmall>
           <EtherscanLink type={ExplorerDataType.TRANSACTION} data={tx.info.response.hash}>

src/lib/components/Swap/SwapButton.tsx

 import { Trans } from '@lingui/macro'
 import { Token } from '@uniswap/sdk-core'
 import { useAtomValue, useUpdateAtom } from 'jotai/utils'
-import { WrapErrorText } from 'lib/components/Swap/WrapErrorText'
 import { useSwapCurrencyAmount, useSwapInfo, useSwapTradeType } from 'lib/hooks/swap'
 import {
   ApproveOrPermitState,
@@ -10,7 +9,7 @@ import {
   useSwapRouterAddress,
 } from 'lib/hooks/swap/useSwapApproval'
 import { useSwapCallback } from 'lib/hooks/swap/useSwapCallback'
-import useWrapCallback, { WrapError, WrapType } from 'lib/hooks/swap/useWrapCallback'
+import useWrapCallback, { WrapType } from 'lib/hooks/swap/useWrapCallback'
 import { useAddTransaction, usePendingApproval } from 'lib/hooks/transactions'
 import useActiveWeb3React from 'lib/hooks/useActiveWeb3React'
 import { useSetOldestValidBlock } from 'lib/hooks/useIsValidBlock'
@@ -44,11 +43,11 @@ export default memo(function SwapButton({ disabled }: SwapButtonProps) {
   const {
     [Field.INPUT]: {
       currency: inputCurrency,
-      amount: inputTradeCurrencyAmount,
+      amount: inputCurrencyAmount,
       balance: inputCurrencyBalance,
       usdc: inputUSDC,
     },
-    [Field.OUTPUT]: { amount: outputTradeCurrencyAmount, usdc: outputUSDC },
+    [Field.OUTPUT]: { amount: outputCurrencyAmount, usdc: outputUSDC },
     trade,
     slippage,
     impact,
@@ -94,35 +93,23 @@ export default memo(function SwapButton({ disabled }: SwapButtonProps) {
     }
   }, [addTransaction, handleApproveOrPermit])
 
-  const { type: wrapType, callback: wrapCallback, error: wrapError, loading: wrapLoading } = useWrapCallback()
+  const { type: wrapType, callback: wrapCallback } = useWrapCallback()
 
   const disableSwap = useMemo(
     () =>
       disabled ||
-      !optimizedTrade ||
+      (wrapType === WrapType.NONE && !optimizedTrade) ||
       !chainId ||
-      wrapLoading ||
-      (wrapType !== WrapType.NOT_APPLICABLE && wrapError) ||
-      !(inputTradeCurrencyAmount && inputCurrencyBalance) ||
-      inputCurrencyBalance.lessThan(inputTradeCurrencyAmount),
-    [
-      disabled,
-      optimizedTrade,
-      chainId,
-      wrapLoading,
-      wrapType,
-      wrapError,
-      inputTradeCurrencyAmount,
-      inputCurrencyBalance,
-    ]
+      !(inputCurrencyAmount && inputCurrencyBalance) ||
+      inputCurrencyBalance.lessThan(inputCurrencyAmount),
+    [disabled, wrapType, optimizedTrade, chainId, inputCurrencyAmount, inputCurrencyBalance]
   )
 
   const actionProps = useMemo((): Partial<ActionButtonProps> | undefined => {
-    if (disableSwap) {
-      return { disabled: true }
-    }
+    if (disableSwap) return { disabled: true }
+
     if (
-      wrapType === WrapType.NOT_APPLICABLE &&
+      wrapType === WrapType.NONE &&
       (approvalState === ApproveOrPermitState.REQUIRES_APPROVAL ||
         approvalState === ApproveOrPermitState.REQUIRES_SIGNATURE)
     ) {
@@ -189,13 +176,13 @@ export default memo(function SwapButton({ disabled }: SwapButtonProps) {
     swapCallback?.()
       .then((response) => {
         setDisplayTxHash(response.hash)
-        invariant(inputTradeCurrencyAmount && outputTradeCurrencyAmount)
+        invariant(inputCurrencyAmount && outputCurrencyAmount)
         addTransaction({
           response,
           type: TransactionType.SWAP,
           tradeType,
-          inputCurrencyAmount: inputTradeCurrencyAmount,
-          outputCurrencyAmount: outputTradeCurrencyAmount,
+          inputCurrencyAmount,
+          outputCurrencyAmount,
         })
 
         // Set the block containing the response to the oldest valid block to ensure that the
@@ -213,8 +200,8 @@ export default memo(function SwapButton({ disabled }: SwapButtonProps) {
       })
   }, [
     addTransaction,
-    inputTradeCurrencyAmount,
-    outputTradeCurrencyAmount,
+    inputCurrencyAmount,
+    outputCurrencyAmount,
     setDisplayTxHash,
     setOldestValidBlock,
     swapCallback,
@@ -222,29 +209,28 @@ export default memo(function SwapButton({ disabled }: SwapButtonProps) {
   ])
 
   const ButtonText = useCallback(() => {
-    if ((wrapType === WrapType.WRAP || wrapType === WrapType.UNWRAP) && wrapError !== WrapError.NO_ERROR) {
-      return <WrapErrorText wrapError={wrapError} />
-    }
     switch (wrapType) {
       case WrapType.UNWRAP:
-        return <Trans>Unwrap</Trans>
+        return <Trans>Unwrap {inputCurrency?.symbol}</Trans>
       case WrapType.WRAP:
-        return <Trans>Wrap</Trans>
-      case WrapType.NOT_APPLICABLE:
+        return <Trans>Wrap {inputCurrency?.symbol}</Trans>
+      case WrapType.NONE:
       default:
         return <Trans>Review swap</Trans>
     }
-  }, [wrapError, wrapType])
+  }, [inputCurrency?.symbol, wrapType])
 
   const handleDialogClose = useCallback(() => {
     setActiveTrade(undefined)
   }, [])
 
   const handleActionButtonClick = useCallback(async () => {
-    if (wrapType === WrapType.NOT_APPLICABLE) {
+    if (wrapType === WrapType.NONE) {
       setActiveTrade(trade.trade)
     } else {
       const transaction = await wrapCallback()
+      if (!transaction) return
+
       addTransaction({
         response: transaction,
         type: TransactionType.WRAP,

src/lib/components/Swap/Toolbar/Caption.tsx

@@ -4,7 +4,6 @@ import Column from 'lib/components/Column'
 import Rule from 'lib/components/Rule'
 import Tooltip from 'lib/components/Tooltip'
 import { loadingCss } from 'lib/css/loading'
-import { WrapType } from 'lib/hooks/swap/useWrapCallback'
 import { PriceImpact } from 'lib/hooks/useUSDCPriceImpact'
 import { AlertTriangle, Icon, Info, InlineSpinner } from 'lib/icons'
 import styled, { ThemedText } from 'lib/theme'
@@ -38,7 +37,7 @@ export function ConnectWallet() {
 }
 
 export function UnsupportedNetwork() {
-  return <Caption caption={<Trans>Unsupported network - switch to another to trade.</Trans>} />
+  return <Caption caption={<Trans>Unsupported network - switch to another to trade</Trans>} />
 }
 
 export function InsufficientBalance({ currency }: { currency: Currency }) {
@@ -66,15 +65,17 @@ export function LoadingTrade() {
   )
 }
 
-export function WrapCurrency({ loading, wrapType }: { loading: boolean; wrapType: WrapType.UNWRAP | WrapType.WRAP }) {
-  const WrapText = useCallback(() => {
-    if (wrapType === WrapType.WRAP) {
-      return loading ? <Trans>Wrapping native currency.</Trans> : <Trans>Wrap native currency.</Trans>
-    }
-    return loading ? <Trans>Unwrapping native currency.</Trans> : <Trans>Unwrap native currency.</Trans>
-  }, [loading, wrapType])
+export function WrapCurrency({ inputCurrency, outputCurrency }: { inputCurrency: Currency; outputCurrency: Currency }) {
+  const Text = useCallback(
+    () => (
+      <Trans>
+        Convert {inputCurrency.symbol} to {outputCurrency.symbol} with no slippage
+      </Trans>
+    ),
+    [inputCurrency.symbol, outputCurrency.symbol]
+  )
 
-  return <Caption icon={Info} caption={<WrapText />} />
+  return <Caption icon={Info} caption={<Text />} />
 }
 
 export function Trade({

src/lib/components/Swap/Toolbar/index.tsx

@@ -20,14 +20,14 @@ const ToolbarRow = styled(Row)`
 export default memo(function Toolbar({ disabled }: { disabled?: boolean }) {
   const { chainId } = useActiveWeb3React()
   const {
-    [Field.INPUT]: { currency: inputCurrency, balance },
+    [Field.INPUT]: { currency: inputCurrency, balance: inputBalance, amount: inputAmount },
     [Field.OUTPUT]: { currency: outputCurrency, usdc: outputUSDC },
     trade: { trade, state },
     impact,
   } = useSwapInfo()
   const isRouteLoading = state === TradeState.SYNCING || state === TradeState.LOADING
   const isAmountPopulated = useIsAmountPopulated()
-  const { type: wrapType, loading: wrapLoading } = useWrapCallback()
+  const { type: wrapType } = useWrapCallback()
   const caption = useMemo(() => {
     if (disabled) {
       return <Caption.ConnectWallet />
@@ -38,8 +38,11 @@ export default memo(function Toolbar({ disabled }: { disabled?: boolean }) {
     }
 
     if (inputCurrency && outputCurrency && isAmountPopulated) {
-      if (wrapType !== WrapType.NOT_APPLICABLE) {
-        return <Caption.WrapCurrency wrapType={wrapType} loading={wrapLoading} />
+      if (inputBalance && inputAmount?.greaterThan(inputBalance)) {
+        return <Caption.InsufficientBalance currency={inputCurrency} />
+      }
+      if (wrapType !== WrapType.NONE) {
+        return <Caption.WrapCurrency inputCurrency={inputCurrency} outputCurrency={outputCurrency} />
       }
       if (isRouteLoading) {
         return <Caption.LoadingTrade />
@@ -47,9 +50,6 @@ export default memo(function Toolbar({ disabled }: { disabled?: boolean }) {
       if (!trade?.swaps) {
         return <Caption.InsufficientLiquidity />
       }
-      if (balance && trade?.inputAmount.greaterThan(balance)) {
-        return <Caption.InsufficientBalance currency={trade.inputAmount.currency} />
-      }
       if (trade.inputAmount && trade.outputAmount) {
         return <Caption.Trade trade={trade} outputUSDC={outputUSDC} impact={impact} />
       }
@@ -57,17 +57,17 @@ export default memo(function Toolbar({ disabled }: { disabled?: boolean }) {
 
     return <Caption.Empty />
   }, [
-    balance,
     chainId,
     disabled,
     impact,
+    inputAmount,
+    inputBalance,
     inputCurrency,
     isAmountPopulated,
     isRouteLoading,
     outputCurrency,
     outputUSDC,
     trade,
-    wrapLoading,
     wrapType,
   ])
 

src/lib/components/Swap/WrapErrorText.tsx

-import { Trans } from '@lingui/macro'
-import { WrapError } from 'lib/hooks/swap/useWrapCallback'
-import useNativeCurrency from 'lib/hooks/useNativeCurrency'
-
-export function WrapErrorText({ wrapError }: { wrapError: WrapError }) {
-  const native = useNativeCurrency()
-  const wrapped = native?.wrapped
-
-  switch (wrapError) {
-    case WrapError.ENTER_NATIVE_AMOUNT:
-      return <Trans>Enter {native?.symbol} amount</Trans>
-    case WrapError.ENTER_WRAPPED_AMOUNT:
-      return <Trans>Enter {wrapped?.symbol} amount</Trans>
-    case WrapError.INSUFFICIENT_NATIVE_BALANCE:
-      return <Trans>Insufficient {native?.symbol} balance</Trans>
-    case WrapError.INSUFFICIENT_WRAPPED_BALANCE:
-      return <Trans>Insufficient {wrapped?.symbol} balance</Trans>
-    case WrapError.NO_ERROR:
-    default:
-      return null
-  }
-}

src/lib/hooks/routing/useClientSideSmartOrderRouterTrade.ts

@@ -72,7 +72,7 @@ export default function useClientSideSmartOrderRouterTrade<TTradeType extends Tr
   const { type: wrapType } = useWrapCallback()
 
   const getQuoteResult = useCallback(async (): Promise<{ data?: GetQuoteResult; error?: unknown }> => {
-    if (wrapType !== WrapType.NOT_APPLICABLE) return { error: undefined }
+    if (wrapType !== WrapType.NONE) return { error: undefined }
     if (!queryArgs || !params) return { error: undefined }
     try {
       return await getClientSideQuote(queryArgs, params, config)

src/lib/hooks/swap/useWrapCallback.tsx

 import { ContractTransaction } from '@ethersproject/contracts'
 import { useWETHContract } from 'hooks/useContract'
-import { atom, useAtom } from 'jotai'
 import { useAtomValue } from 'jotai/utils'
 import { Field, swapAtom } from 'lib/state/swap'
 import tryParseCurrencyAmount from 'lib/utils/tryParseCurrencyAmount'
-import { useCallback, useEffect, useMemo } from 'react'
+import { useCallback, useMemo } from 'react'
 
 import { WRAPPED_NATIVE_CURRENCY } from '../../../constants/tokens'
 import useActiveWeb3React from '../useActiveWeb3React'
-import { useCurrencyBalances } from '../useCurrencyBalance'
+import useCurrencyBalance from '../useCurrencyBalance'
 
 export enum WrapType {
-  NOT_APPLICABLE,
+  NONE,
   WRAP,
   UNWRAP,
 }
 interface UseWrapCallbackReturns {
-  callback: () => Promise<ContractTransaction>
-  error: WrapError
-  loading: boolean
+  callback: () => Promise<ContractTransaction | undefined>
   type: WrapType
 }
 
-export enum WrapError {
-  NO_ERROR = 0, // must be equal to 0 so all other errors are truthy
-  ENTER_NATIVE_AMOUNT,
-  ENTER_WRAPPED_AMOUNT,
-  INSUFFICIENT_NATIVE_BALANCE,
-  INSUFFICIENT_WRAPPED_BALANCE,
-}
-
-interface WrapState {
-  loading: boolean
-  error: WrapError
-}
-
-const wrapState = atom<WrapState>({
-  loading: false,
-  error: WrapError.NO_ERROR,
-})
-
 export default function useWrapCallback(): UseWrapCallbackReturns {
   const { account, chainId } = useActiveWeb3React()
-  const [{ loading, error }, setWrapState] = useAtom(wrapState)
   const wrappedNativeCurrencyContract = useWETHContract()
   const { amount, [Field.INPUT]: inputCurrency, [Field.OUTPUT]: outputCurrency } = useAtomValue(swapAtom)
 
   const wrapType = useMemo(() => {
-    if (!inputCurrency || !outputCurrency || !chainId) {
-      return WrapType.NOT_APPLICABLE
+    if (chainId && inputCurrency && outputCurrency) {
+      if (inputCurrency.isNative && WRAPPED_NATIVE_CURRENCY[chainId]?.equals(outputCurrency)) {
+        return WrapType.WRAP
+      }
+      if (outputCurrency.isNative && WRAPPED_NATIVE_CURRENCY[chainId]?.equals(inputCurrency)) {
+        return WrapType.UNWRAP
+      }
     }
-    if (inputCurrency.isNative && WRAPPED_NATIVE_CURRENCY[chainId]?.equals(outputCurrency)) {
-      return WrapType.WRAP
-    }
-    if (WRAPPED_NATIVE_CURRENCY[chainId]?.equals(inputCurrency) && outputCurrency.isNative) {
-      return WrapType.UNWRAP
-    }
-    return WrapType.NOT_APPLICABLE
+    return WrapType.NONE
   }, [chainId, inputCurrency, outputCurrency])
 
   const parsedAmountIn = useMemo(
     () => tryParseCurrencyAmount(amount, inputCurrency ?? undefined),
     [inputCurrency, amount]
   )
-
-  const relevantTokenBalances = useCurrencyBalances(
-    account,
-    useMemo(() => [inputCurrency ?? undefined, outputCurrency ?? undefined], [inputCurrency, outputCurrency])
-  )
-  const currencyBalances = useMemo(
-    () => ({
-      [Field.INPUT]: relevantTokenBalances[0],
-      [Field.OUTPUT]: relevantTokenBalances[1],
-    }),
-    [relevantTokenBalances]
-  )
-
-  const hasInputAmount = Boolean(parsedAmountIn?.greaterThan('0'))
-  const sufficientBalance = parsedAmountIn && !currencyBalances[Field.INPUT]?.lessThan(parsedAmountIn)
-
-  useEffect(() => {
-    if (sufficientBalance) {
-      setWrapState((state) => ({ ...state, error: WrapError.NO_ERROR }))
-    } else if (wrapType === WrapType.WRAP) {
-      setWrapState((state) => ({
-        ...state,
-        error: hasInputAmount ? WrapError.INSUFFICIENT_NATIVE_BALANCE : WrapError.ENTER_NATIVE_AMOUNT,
-      }))
-    } else if (wrapType === WrapType.UNWRAP) {
-      setWrapState((state) => ({
-        ...state,
-        error: hasInputAmount ? WrapError.INSUFFICIENT_WRAPPED_BALANCE : WrapError.ENTER_WRAPPED_AMOUNT,
-      }))
-    }
-  }, [hasInputAmount, setWrapState, sufficientBalance, wrapType])
+  const balanceIn = useCurrencyBalance(account, inputCurrency)
 
   const callback = useCallback(async () => {
+    if (wrapType === WrapType.NONE) {
+      return Promise.reject('Wrapping not applicable to this asset.')
+    }
     if (!parsedAmountIn) {
       return Promise.reject('Must provide an input amount to wrap.')
     }
-    if (wrapType === WrapType.NOT_APPLICABLE) {
-      return Promise.reject('Wrapping not applicable to this asset.')
-    }
-    if (!sufficientBalance) {
+    if (!balanceIn || balanceIn.lessThan(parsedAmountIn)) {
       return Promise.reject('Insufficient balance to wrap desired amount.')
     }
     if (!wrappedNativeCurrencyContract) {
       return Promise.reject('Wrap contract not found.')
     }
-    setWrapState((state) => ({ ...state, loading: true }))
-    const result = await (wrapType === WrapType.WRAP
-      ? wrappedNativeCurrencyContract.deposit({ value: `0x${parsedAmountIn.quotient.toString(16)}` })
-      : wrappedNativeCurrencyContract.withdraw(`0x${parsedAmountIn.quotient.toString(16)}`)
-    ).catch((e: unknown) => {
-      setWrapState((state) => ({ ...state, loading: false }))
-      throw e
-    })
-    // resolve loading state after one confirmation
-    result.wait(1).finally(() => setWrapState((state) => ({ ...state, loading: false })))
-    return Promise.resolve(result)
-  }, [wrappedNativeCurrencyContract, sufficientBalance, parsedAmountIn, wrapType, setWrapState])
 
-  return useMemo(
-    () => ({
-      callback,
-      error,
-      loading,
-      type: wrapType,
-    }),
-    [callback, error, loading, wrapType]
-  )
+    try {
+      return await (wrapType === WrapType.WRAP
+        ? wrappedNativeCurrencyContract.deposit({ value: `0x${parsedAmountIn.quotient.toString(16)}` })
+        : wrappedNativeCurrencyContract.withdraw(`0x${parsedAmountIn.quotient.toString(16)}`))
+    } catch (e) {
+      // TODO(zzmp): add error handling
+      console.error(e)
+      return
+    }
+  }, [wrapType, parsedAmountIn, balanceIn, wrappedNativeCurrencyContract])
+
+  return useMemo(() => ({ callback, type: wrapType }), [callback, wrapType])
 }