show v3 quotes

src/components/swap/AdvancedSwapDetails.tsx

@@ -1,5 +1,6 @@
 import { TradeType } from '@uniswap/sdk-core'
-import { Trade } from '@uniswap/v2-sdk'
+import { Trade as V2Trade } from '@uniswap/v2-sdk'
+import { Trade as V3Trade } from '@uniswap/v3-sdk'
 import React, { useContext } from 'react'
 import styled, { ThemeContext } from 'styled-components'
 import { Field } from '../../state/swap/actions'
@@ -12,17 +13,7 @@ import { RowBetween, RowFixed } from '../Row'
 import FormattedPriceImpact from './FormattedPriceImpact'
 import SwapRoute from './SwapRoute'
 
-const InfoLink = styled(ExternalLink)`
-  width: 100%;
-  border: 1px solid ${({ theme }) => theme.bg3};
-  padding: 6px 6px;
-  border-radius: 8px;
-  text-align: center;
-  font-size: 14px;
-  color: ${({ theme }) => theme.text1};
-`
-
-function TradeSummary({ trade, allowedSlippage }: { trade: Trade; allowedSlippage: number }) {
+function TradeSummary({ trade, allowedSlippage }: { trade: V2Trade | V3Trade; allowedSlippage: number }) {
   const theme = useContext(ThemeContext)
   const { priceImpactWithoutFee, realizedLPFee } = computeTradePriceBreakdown(trade)
   const isExactIn = trade.tradeType === TradeType.EXACT_INPUT
@@ -75,7 +66,7 @@ function TradeSummary({ trade, allowedSlippage }: { trade: Trade; allowedSlippag
 }
 
 export interface AdvancedSwapDetailsProps {
-  trade?: Trade
+  trade?: V2Trade | V3Trade
 }
 
 export function AdvancedSwapDetails({ trade }: AdvancedSwapDetailsProps) {
@@ -83,7 +74,10 @@ export function AdvancedSwapDetails({ trade }: AdvancedSwapDetailsProps) {
 
   const [allowedSlippage] = useUserSlippageTolerance()
 
-  const showRoute = Boolean(trade && trade.route.path.length > 2)
+  const showRoute = Boolean(
+    (trade && trade instanceof V2Trade && trade.route.pairs.length > 2) ||
+      (trade instanceof V3Trade && trade.route.pools.length > 2)
+  )
 
   return (
     <AutoColumn gap="0px">
@@ -103,16 +97,6 @@ export function AdvancedSwapDetails({ trade }: AdvancedSwapDetailsProps) {
               </RowBetween>
             </>
           )}
-          {!showRoute && (
-            <AutoColumn style={{ padding: '12px 16px 0 16px' }}>
-              <InfoLink
-                href={'https://info.uniswap.org/pair/' + trade.route.pairs[0].liquidityToken.address}
-                target="_blank"
-              >
-                View pair analytics ↗
-              </InfoLink>
-            </AutoColumn>
-          )}
         </>
       )}
     </AutoColumn>

src/components/swap/ConfirmSwapModal.tsx

@@ -1,5 +1,6 @@
 import { currencyEquals } from '@uniswap/sdk-core'
-import { Trade } from '@uniswap/v2-sdk'
+import { Trade as V2Trade } from '@uniswap/v2-sdk'
+import { Trade as V3Trade } from '@uniswap/v3-sdk'
 import React, { useCallback, useMemo } from 'react'
 import TransactionConfirmationModal, {
   ConfirmationModalContent,
@@ -10,10 +11,10 @@ import SwapModalHeader from './SwapModalHeader'
 
 /**
  * Returns true if the trade requires a confirmation of details before we can submit it
- * @param tradeA trade A
- * @param tradeB trade B
+ * @param args either a pair of V2 trades or a pair of V3 trades
  */
-function tradeMeaningfullyDiffers(tradeA: Trade, tradeB: Trade): boolean {
+function tradeMeaningfullyDiffers(...args: [V2Trade, V2Trade] | [V3Trade, V3Trade]): boolean {
+  const [tradeA, tradeB] = args
   return (
     tradeA.tradeType !== tradeB.tradeType ||
     !currencyEquals(tradeA.inputAmount.currency, tradeB.inputAmount.currency) ||
@@ -37,8 +38,8 @@ export default function ConfirmSwapModal({
   txHash,
 }: {
   isOpen: boolean
-  trade: Trade | undefined
-  originalTrade: Trade | undefined
+  trade: V2Trade | V3Trade | undefined
+  originalTrade: V2Trade | V3Trade | undefined
   attemptingTxn: boolean
   txHash: string | undefined
   recipient: string | null
@@ -49,7 +50,15 @@ export default function ConfirmSwapModal({
   onDismiss: () => void
 }) {
   const showAcceptChanges = useMemo(
-    () => Boolean(trade && originalTrade && tradeMeaningfullyDiffers(trade, originalTrade)),
+    () =>
+      Boolean(
+        (trade instanceof V2Trade &&
+          originalTrade instanceof V2Trade &&
+          tradeMeaningfullyDiffers(trade, originalTrade)) ||
+          (trade instanceof V3Trade &&
+            originalTrade instanceof V3Trade &&
+            tradeMeaningfullyDiffers(trade, originalTrade))
+      ),
     [originalTrade, trade]
   )
 

src/components/swap/SwapModalFooter.tsx

@@ -1,4 +1,5 @@
-import { Trade } from '@uniswap/v2-sdk'
+import { Trade as V2Trade } from '@uniswap/v2-sdk'
+import { Trade as V3Trade } from '@uniswap/v3-sdk'
 import { TradeType } from '@uniswap/sdk-core'
 import React, { useContext, useMemo, useState } from 'react'
 import { Repeat } from 'react-feather'
@@ -26,7 +27,7 @@ export default function SwapModalFooter({
   swapErrorMessage,
   disabledConfirm,
 }: {
-  trade: Trade
+  trade: V2Trade | V3Trade
   allowedSlippage: number
   onConfirm: () => void
   swapErrorMessage: string | undefined

src/components/swap/SwapModalHeader.tsx

@@ -1,5 +1,6 @@
 import { TradeType } from '@uniswap/sdk-core'
-import { Trade } from '@uniswap/v2-sdk'
+import { Trade as V2Trade } from '@uniswap/v2-sdk'
+import { Trade as V3Trade } from '@uniswap/v3-sdk'
 import React, { useContext, useMemo } from 'react'
 import { ArrowDown, AlertTriangle } from 'react-feather'
 import { Text } from 'rebass'
@@ -21,7 +22,7 @@ export default function SwapModalHeader({
   showAcceptChanges,
   onAcceptChanges,
 }: {
-  trade: Trade
+  trade: V2Trade | V3Trade
   allowedSlippage: number
   recipient: string | null
   showAcceptChanges: boolean

src/components/swap/SwapRoute.tsx

@@ -1,4 +1,5 @@
-import { Trade } from '@uniswap/v2-sdk'
+import { Trade as V2Trade } from '@uniswap/v2-sdk'
+import { Trade as V3Trade } from '@uniswap/v3-sdk'
 import React, { Fragment, memo, useContext } from 'react'
 import { ChevronRight } from 'react-feather'
 import { Flex } from 'rebass'
@@ -6,11 +7,12 @@ import { ThemeContext } from 'styled-components'
 import { TYPE } from '../../theme'
 import { unwrappedToken } from 'utils/wrappedCurrency'
 
-export default memo(function SwapRoute({ trade }: { trade: Trade }) {
+export default memo(function SwapRoute({ trade }: { trade: V2Trade | V3Trade }) {
+  const tokenPath = trade instanceof V2Trade ? trade.route.path : trade.route.tokenPath
   const theme = useContext(ThemeContext)
   return (
     <Flex flexWrap="wrap" width="100%" justifyContent="flex-end" alignItems="center">
-      {trade.route.path.map((token, i, path) => {
+      {tokenPath.map((token, i, path) => {
         const isLastItem: boolean = i === path.length - 1
         const currency = unwrappedToken(token)
         return (

src/pages/Swap/index.tsx

@@ -1,5 +1,7 @@
+import JSBI from 'jsbi'
 import { CurrencyAmount, Token } from '@uniswap/sdk-core'
-import { JSBI, Trade } from '@uniswap/v2-sdk'
+import { Trade as V2Trade } from '@uniswap/v2-sdk'
+import { Trade as V3Trade } from '@uniswap/v3-sdk'
 import React, { useCallback, useContext, useEffect, useMemo, useState } from 'react'
 import { ArrowDown } from 'react-feather'
 import ReactGA from 'react-ga'
@@ -22,6 +24,7 @@ import ProgressSteps from '../../components/ProgressSteps'
 import SwapHeader from '../../components/swap/SwapHeader'
 
 import { INITIAL_ALLOWED_SLIPPAGE } from '../../constants'
+import useToggledVersion, { Version } from '../../hooks/useToggledVersion'
 import { getTradeVersion } from '../../utils/getTradeVersion'
 import { useActiveWeb3React } from '../../hooks'
 import { useCurrency, useAllTokens } from '../../hooks/Tokens'
@@ -90,6 +93,7 @@ export default function Swap({ history }: RouteComponentProps) {
   const { independentField, typedValue, recipient } = useSwapState()
   const {
     v2Trade,
+    v3Trade,
     currencyBalances,
     parsedAmount,
     currencies,
@@ -104,13 +108,13 @@ export default function Swap({ history }: RouteComponentProps) {
   )
   const showWrap: boolean = wrapType !== WrapType.NOT_APPLICABLE
   const { address: recipientAddress } = useENSAddress(recipient)
-  // const toggledVersion = useToggledVersion()
+  const toggledVersion = useToggledVersion()
   const trade = showWrap
     ? undefined
-    : v2Trade /*{
+    : {
         [Version.v2]: v2Trade,
         [Version.v3]: v3Trade,
-      }[toggledVersion]*/
+      }[toggledVersion]
 
   const parsedAmounts = showWrap
     ? {
@@ -148,7 +152,7 @@ export default function Swap({ history }: RouteComponentProps) {
   // modal and loading
   const [{ showConfirm, tradeToConfirm, swapErrorMessage, attemptingTxn, txHash }, setSwapState] = useState<{
     showConfirm: boolean
-    tradeToConfirm: Trade | undefined
+    tradeToConfirm: V2Trade | V3Trade | undefined
     attemptingTxn: boolean
     swapErrorMessage: string | undefined
     txHash: string | undefined
@@ -190,7 +194,11 @@ export default function Swap({ history }: RouteComponentProps) {
   const atMaxAmountInput = Boolean(maxAmountInput && parsedAmounts[Field.INPUT]?.equalTo(maxAmountInput))
 
   // the callback to execute the swap
-  const { callback: swapCallback, error: swapCallbackError } = useV2SwapCallback(trade, allowedSlippage, recipient)
+  const { callback: swapCallback, error: swapCallbackError } = useV2SwapCallback(
+    trade instanceof V2Trade ? trade : undefined,
+    allowedSlippage,
+    recipient
+  )
 
   const { priceImpactWithoutFee } = computeTradePriceBreakdown(trade)
 

src/state/multicall/reducer.ts

@@ -89,8 +89,8 @@ export default createReducer(initialState, (builder) =>
       calls.forEach((call) => {
         const callKey = toCallKey(call)
         const current = state.callResults[chainId][callKey]
-        if (!current) return // only should be dispatched if we are already fetching
-        if (current.fetchingBlockNumber === fetchingBlockNumber) {
+        if (!current || typeof current.fetchingBlockNumber !== 'number') return // only should be dispatched if we are already fetching
+        if (current.fetchingBlockNumber <= fetchingBlockNumber) {
           delete current.fetchingBlockNumber
           current.data = null
           current.blockNumber = fetchingBlockNumber

src/state/multicall/updater.tsx

@@ -30,7 +30,7 @@ async function fetchChunk(
   results: { success: boolean; returnData: string }[]
   blockNumber: number
 }> {
-  console.debug('Fetching chunk', multicall2Contract, chunk, minBlockNumber)
+  console.debug('Fetching chunk', chunk, minBlockNumber)
   let resultsBlockNumber: number
   let results: { success: boolean; returnData: string }[]
   try {
@@ -41,7 +41,7 @@ async function fetchChunk(
     resultsBlockNumber = blockNumber.toNumber()
     results = returnData
   } catch (error) {
-    console.debug('Failed to fetch chunk inside retry', error)
+    console.debug('Failed to fetch chunk', error)
     throw error
   }
   if (resultsBlockNumber < minBlockNumber) {
@@ -205,12 +205,12 @@ export default function Updater(): null {
 
             // dispatch any errored calls
             if (erroredCalls.length > 0) {
-              console.debug('Errored calls', erroredCalls)
+              console.debug('Calls errored in fetch', erroredCalls)
               dispatch(
                 errorFetchingMulticallResults({
                   calls: erroredCalls,
                   chainId,
-                  fetchingBlockNumber: latestBlockNumber,
+                  fetchingBlockNumber: fetchBlockNumber,
                 })
               )
             }

src/utils/prices.ts

@@ -14,36 +14,43 @@ const INPUT_FRACTION_AFTER_FEE = ONE_HUNDRED_PERCENT.subtract(BASE_FEE)
 
 // computes price breakdown for the trade
 export function computeTradePriceBreakdown(
-  trade?: V2Trade | null
+  trade?: V2Trade | V3Trade | null
 ): { priceImpactWithoutFee: Percent | undefined; realizedLPFee: CurrencyAmount | undefined | null } {
-  // for each hop in our trade, take away the x*y=k price impact from 0.3% fees
-  // e.g. for 3 tokens/2 hops: 1 - ((1 - .03) * (1-.03))
-  const realizedLPFee = !trade
-    ? undefined
-    : ONE_HUNDRED_PERCENT.subtract(
-        trade.route.pairs.reduce<Fraction>(
-          (currentFee: Fraction): Fraction => currentFee.multiply(INPUT_FRACTION_AFTER_FEE),
-          ONE_HUNDRED_PERCENT
+  if (trade instanceof V2Trade) {
+    // for each hop in our trade, take away the x*y=k price impact from 0.3% fees
+    // e.g. for 3 tokens/2 hops: 1 - ((1 - .03) * (1-.03))
+    const realizedLPFee = !trade
+      ? undefined
+      : ONE_HUNDRED_PERCENT.subtract(
+          trade.route.pairs.reduce<Fraction>(
+            (currentFee: Fraction): Fraction => currentFee.multiply(INPUT_FRACTION_AFTER_FEE),
+            ONE_HUNDRED_PERCENT
+          )
         )
-      )
 
-  // remove lp fees from price impact
-  const priceImpactWithoutFeeFraction = trade && realizedLPFee ? trade.priceImpact.subtract(realizedLPFee) : undefined
+    // remove lp fees from price impact
+    const priceImpactWithoutFeeFraction = trade && realizedLPFee ? trade.priceImpact.subtract(realizedLPFee) : undefined
 
-  // the x*y=k impact
-  const priceImpactWithoutFeePercent = priceImpactWithoutFeeFraction
-    ? new Percent(priceImpactWithoutFeeFraction?.numerator, priceImpactWithoutFeeFraction?.denominator)
-    : undefined
+    // the x*y=k impact
+    const priceImpactWithoutFeePercent = priceImpactWithoutFeeFraction
+      ? new Percent(priceImpactWithoutFeeFraction?.numerator, priceImpactWithoutFeeFraction?.denominator)
+      : undefined
 
-  // the amount of the input that accrues to LPs
-  const realizedLPFeeAmount =
-    realizedLPFee &&
-    trade &&
-    (trade.inputAmount instanceof TokenAmount
-      ? new TokenAmount(trade.inputAmount.token, realizedLPFee.multiply(trade.inputAmount.raw).quotient)
-      : CurrencyAmount.ether(realizedLPFee.multiply(trade.inputAmount.raw).quotient))
+    // the amount of the input that accrues to LPs
+    const realizedLPFeeAmount =
+      realizedLPFee &&
+      trade &&
+      (trade.inputAmount instanceof TokenAmount
+        ? new TokenAmount(trade.inputAmount.token, realizedLPFee.multiply(trade.inputAmount.raw).quotient)
+        : CurrencyAmount.ether(realizedLPFee.multiply(trade.inputAmount.raw).quotient))
 
-  return { priceImpactWithoutFee: priceImpactWithoutFeePercent, realizedLPFee: realizedLPFeeAmount }
+    return { priceImpactWithoutFee: priceImpactWithoutFeePercent, realizedLPFee: realizedLPFeeAmount }
+  } else {
+    return {
+      priceImpactWithoutFee: undefined,
+      realizedLPFee: undefined,
+    }
+  }
 }
 
 // computes the minimum amount out and maximum amount in for a trade given a user specified allowed slippage in bips