Uniswap
diff --git a/‎.env.production
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diff --git a/‎CONTRIBUTING.md
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diff --git a/‎package.json
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diff --git a/‎public/index.html
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diff --git a/‎src/assets/images/gas-icon.svg
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diff --git a/‎src/assets/images/router-icon-grey.svg
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diff --git a/‎src/components/AnimatedDropdown/index.tsx
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diff --git a/‎src/components/Button/index.tsx
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diff --git a/‎src/components/CurrencyInputPanel/FiatValue.tsx
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diff --git a/‎src/components/CurrencyInputPanel/index.tsx
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diff --git a/‎src/components/CurrencyLogo/index.tsx
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@@ -2,4 +2,4 @@ REACT_APP_INFURA_KEY="099fc58e0de9451d80b18d7c74caa7c1"
 REACT_APP_PORTIS_ID="c0e2bf01-4b08-4fd5-ac7b-8e26b58cd236"
 REACT_APP_FORTMATIC_KEY="pk_live_F937DF033A1666BF"
 REACT_APP_GOOGLE_ANALYTICS_ID="UA-128182339-4"
-REACT_APP_FIREBASE_KEY="AIzaSyBcZWwTcTJHj_R6ipZcrJkXdq05PuX0Rs0"
+REACT_APP_FIREBASE_KEY="AIzaSyBcZWwTcTJHj_R6ipZcrJkXdq05PuX0Rs0"
@@ -27,7 +27,7 @@ makes large architectural changes, consider following all the standards.
 - If something breaks, add automated tests so it doesn't break again
 - Add integration tests for new pages or flows
 - Verify that all CI checks pass before merging
-- Have at least one product manager or designer approve of significant UX changes
+- Have at least one product manager or designer approve of any significant UX changes
 
 ## Guidelines
 
@@ -42,7 +42,7 @@ The following points should help guide your development:
   - An Ethereum node should be the only critical dependency 
   - All other external dependencies should only enhance the UX ([graceful degradation](https://developer.mozilla.org/en-US/docs/Glossary/Graceful_degradation))
 - Accessibility: anyone can use the interface
-  - The interface should be responsive, small and run well on low performance devices (majority of swaps on mobile!)
+  - The interface should be responsive, small and also run well on low performance devices (majority of swaps on mobile!)
 
 ## Release process
 
@@ -73,4 +73,4 @@ We sync to the repository on a schedule, rather than download translations at bu
 
 You can contribute by joining Crowdin to proofread existing translations [here](https://crowdin.com/project/uniswap-interface/invite?d=93i5n413q403t4g473p443o4c3t2g3s21343u2c3n403l4b3v2735353i4g4k4l4g453j4g4o4j4e4k4b323l4a3h463s4g453q443m4e3t2b303s2a35353l403o443v293e303k4g4n4r4g483i4g4r4j4e4o473i5n4a3t463t4o4)
 
-Or, ask to join us as a translator in the Discord!
+Or, ask to join us as a translator in the Discord!!
@@ -59,11 +59,13 @@
     "@uniswap/liquidity-staker": "^1.0.2",
     "@uniswap/merkle-distributor": "1.0.1",
     "@uniswap/redux-multicall": "^1.0.0",
+    "@uniswap/router-sdk": "^1.0.3",
     "@uniswap/sdk-core": "^3.0.1",
+    "@uniswap/smart-order-router": "^2.5.4",
     "@uniswap/token-lists": "^1.0.0-beta.27",
     "@uniswap/v2-core": "1.0.0",
     "@uniswap/v2-periphery": "^1.1.0-beta.0",
-    "@uniswap/v2-sdk": "^3.0.0-alpha.2",
+    "@uniswap/v2-sdk": "^3.0.1",
     "@uniswap/v3-core": "1.0.0",
     "@uniswap/v3-periphery": "^1.1.1",
     "@uniswap/v3-sdk": "^3.7.1",
@@ -119,6 +121,7 @@
     "typescript": "^4.2.3",
     "ua-parser-js": "^0.7.28",
     "use-count-up": "^2.2.5",
+    "use-resize-observer": "^8.0.0",
     "web-vitals": "^2.1.0",
     "workbox-core": "^6.1.0",
     "workbox-precaching": "^6.1.0",
 
@@ -67,6 +67,7 @@
         html {
             font-size: 16px;
             font-variant: none;
+            font-smooth: always;
             -webkit-font-smoothing: antialiased;
             -moz-osx-font-smoothing: grayscale;
             -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
 
@@ -0,0 +1,34 @@
+import { animated, useSpring } from 'react-spring'
+import useResizeObserver from 'use-resize-observer'
+
+/**
+ * @param open conditional to show content or hide
+ * @returns Wrapper to smoothly hide and expand content
+ */
+export default function AnimatedDropdown({ open, children }: React.PropsWithChildren<{ open: boolean }>) {
+  const { ref, height } = useResizeObserver()
+
+  const props = useSpring({
+    height: open ? height ?? 0 : 0,
+    config: {
+      mass: 1.2,
+      tension: 300,
+      friction: 20,
+      clamp: true,
+      velocity: 0.01,
+    },
+  })
+
+  return (
+    <animated.div
+      style={{
+        ...props,
+        overflow: 'hidden',
+        width: '100%',
+        willChange: 'height',
+      }}
+    >
+      <div ref={ref}>{children}</div>
+    </animated.div>
+  )
+}
@@ -33,6 +33,7 @@ export const BaseButton = styled(RebassButton)<
   position: relative;
   z-index: 1;
   &:disabled {
+    opacity: 50%;
     cursor: auto;
     pointer-events: none;
   }
@@ -236,7 +237,7 @@ const ButtonConfirmedStyle = styled(BaseButton)`
   /* border: 1px solid ${({ theme }) => theme.green1}; */
 
   &:disabled {
-    /* opacity: 50%; */
+    opacity: 50%;
     background-color: ${({ theme }) => theme.bg2};
     color: ${({ theme }) => theme.text2};
     cursor: auto;
 
@@ -1,11 +1,14 @@
 import { Trans } from '@lingui/macro'
+// eslint-disable-next-line no-restricted-imports
+import { t } from '@lingui/macro'
 import { Currency, CurrencyAmount, Percent } from '@uniswap/sdk-core'
 import HoverInlineText from 'components/HoverInlineText'
 import { useMemo } from 'react'
 
 import useTheme from '../../hooks/useTheme'
 import { ThemedText } from '../../theme'
 import { warningSeverity } from '../../utils/prices'
+import { MouseoverTooltip } from '../Tooltip'
 
 export function FiatValue({
   fiatValue,
@@ -25,18 +28,24 @@ export function FiatValue({
   }, [priceImpact, theme.green1, theme.red1, theme.text3, theme.yellow1])
 
   return (
-    <ThemedText.Body fontSize={14} color={fiatValue ? theme.text2 : theme.text4}>
+    <ThemedText.Body fontSize={14} color={fiatValue ? theme.text3 : theme.text4}>
       {fiatValue ? (
         <Trans>
-          ~$ <HoverInlineText text={fiatValue?.toSignificant(6, { groupSeparator: ',' })} />
+          $
+          <HoverInlineText
+            text={fiatValue?.toSignificant(6, { groupSeparator: ',' })}
+            textColor={fiatValue ? theme.text3 : theme.text4}
+          />
         </Trans>
       ) : (
         ''
       )}
       {priceImpact ? (
         <span style={{ color: priceImpactColor }}>
           {' '}
-          (<Trans>{priceImpact.multiply(-1).toSignificant(3)}%</Trans>)
+          <MouseoverTooltip text={t`The estimated difference between the USD values of input and output amounts.`}>
+            (<Trans>{priceImpact.multiply(-1).toSignificant(3)}%</Trans>)
+          </MouseoverTooltip>
         </span>
       ) : null}
     </ThemedText.Body>
 
@@ -29,15 +29,16 @@ const InputPanel = styled.div<{ hideInput?: boolean }>`
   background-color: ${({ theme, hideInput }) => (hideInput ? 'transparent' : theme.bg2)};
   z-index: 1;
   width: ${({ hideInput }) => (hideInput ? '100%' : 'initial')};
+  transition: height 1s ease;
+  will-change: height;
 `
 
 const FixedContainer = styled.div`
   width: 100%;
   height: 100%;
   position: absolute;
   border-radius: 20px;
-  background-color: ${({ theme }) => theme.bg1};
-  opacity: 0.95;
+  background-color: ${({ theme }) => theme.bg2};
   display: flex;
   align-items: center;
   justify-content: center;
@@ -46,7 +47,7 @@ const FixedContainer = styled.div`
 
 const Container = styled.div<{ hideInput: boolean }>`
   border-radius: ${({ hideInput }) => (hideInput ? '16px' : '20px')};
-  border: 1px solid ${({ theme, hideInput }) => (hideInput ? ' transparent' : theme.bg2)};
+  border: 1px solid ${({ theme }) => theme.bg0};
   background-color: ${({ theme }) => theme.bg1};
   width: ${({ hideInput }) => (hideInput ? '100%' : 'initial')};
   :focus,
@@ -56,35 +57,35 @@ const Container = styled.div<{ hideInput: boolean }>`
 `
 
 const CurrencySelect = styled(ButtonGray)<{ visible: boolean; selected: boolean; hideInput?: boolean }>`
-  visibility: ${({ visible }) => (visible ? 'visible' : 'hidden')};
   align-items: center;
-  font-size: 24px;
-  font-weight: 500;
-  background-color: ${({ selected, theme }) => (selected ? theme.bg0 : theme.primary1)};
-  color: ${({ selected, theme }) => (selected ? theme.text1 : theme.white)};
-  border-radius: 16px;
+  background-color: ${({ selected, theme }) => (selected ? theme.bg2 : theme.primary1)};
   box-shadow: ${({ selected }) => (selected ? 'none' : '0px 6px 10px rgba(0, 0, 0, 0.075)')};
   box-shadow: 0px 6px 10px rgba(0, 0, 0, 0.075);
-  outline: none;
+  color: ${({ selected, theme }) => (selected ? theme.text1 : theme.white)};
   cursor: pointer;
+  border-radius: 16px;
+  outline: none;
   user-select: none;
   border: none;
+  font-size: 24px;
+  font-weight: 500;
   height: ${({ hideInput }) => (hideInput ? '2.8rem' : '2.4rem')};
   width: ${({ hideInput }) => (hideInput ? '100%' : 'initial')};
   padding: 0 8px;
   justify-content: space-between;
-  margin-right: ${({ hideInput }) => (hideInput ? '0' : '12px')};
+  margin-left: ${({ hideInput }) => (hideInput ? '0' : '12px')};
   :focus,
   :hover {
-    background-color: ${({ selected, theme }) => (selected ? theme.bg2 : darken(0.05, theme.primary1))};
+    background-color: ${({ selected, theme }) => (selected ? theme.bg3 : darken(0.05, theme.primary1))};
   }
+  visibility: ${({ visible }) => (visible ? 'visible' : 'hidden')};
 `
 
 const InputRow = styled.div<{ selected: boolean }>`
   ${({ theme }) => theme.flexRowNoWrap}
   align-items: center;
   justify-content: space-between;
-  padding: ${({ selected }) => (selected ? ' 1rem 1rem 0.75rem 1rem' : '1rem 1rem 0.75rem 1rem')};
+  padding: ${({ selected }) => (selected ? ' 1rem 1rem 0.75rem 1rem' : '1rem 1rem 1rem 1rem')};
 `
 
 const LabelRow = styled.div`
@@ -128,28 +129,30 @@ const StyledTokenName = styled.span<{ active?: boolean }>`
 
 const StyledBalanceMax = styled.button<{ disabled?: boolean }>`
   background-color: transparent;
+  background-color: ${({ theme }) => theme.primary5};
   border: none;
   border-radius: 12px;
-  font-size: 14px;
-  font-weight: 500;
+  color: ${({ theme }) => theme.primary1};
   cursor: pointer;
-  padding: 0;
-  color: ${({ theme }) => theme.primaryText1};
+  font-size: 11px;
+  font-weight: 500;
+  margin-left: 0.25rem;
   opacity: ${({ disabled }) => (!disabled ? 1 : 0.4)};
+  padding: 4px 6px;
   pointer-events: ${({ disabled }) => (!disabled ? 'initial' : 'none')};
-  margin-left: 0.25rem;
+
+  :hover {
+    opacity: ${({ disabled }) => (!disabled ? 0.8 : 0.4)};
+  }
 
   :focus {
     outline: none;
   }
-
-  ${({ theme }) => theme.mediaWidth.upToExtraSmall`
-    margin-right: 0.5rem;
-  `};
 `
 
 const StyledNumericalInput = styled(NumericalInput)<{ $loading: boolean }>`
-  ${loadingOpacityMixin}
+  ${loadingOpacityMixin};
+  text-align: left;
 `
 
 interface CurrencyInputPanelProps {
@@ -220,6 +223,15 @@ export default function CurrencyInputPanel({
       )}
       <Container hideInput={hideInput}>
         <InputRow style={hideInput ? { padding: '0', borderRadius: '8px' } : {}} selected={!onCurrencySelect}>
+          {!hideInput && (
+            <StyledNumericalInput
+              className="token-amount-input"
+              value={value}
+              onUserInput={onUserInput}
+              $loading={loading}
+            />
+          )}
+
           <CurrencySelect
             visible={currency !== undefined}
             selected={!!currency}
@@ -257,49 +269,39 @@ export default function CurrencyInputPanel({
               {onCurrencySelect && <StyledDropDown selected={!!currency} />}
             </Aligner>
           </CurrencySelect>
-          {!hideInput && (
-            <StyledNumericalInput
-              className="token-amount-input"
-              value={value}
-              onUserInput={onUserInput}
-              $loading={loading}
-            />
-          )}
         </InputRow>
-        {!hideInput && !hideBalance && (
+        {!hideInput && !hideBalance && currency && (
           <FiatRow>
             <RowBetween>
+              <LoadingOpacityContainer $loading={loading}>
+                <FiatValue fiatValue={fiatValue} priceImpact={priceImpact} />
+              </LoadingOpacityContainer>
               {account ? (
                 <RowFixed style={{ height: '17px' }}>
                   <ThemedText.Body
                     onClick={onMax}
-                    color={theme.text2}
-                    fontWeight={400}
+                    color={theme.text3}
+                    fontWeight={500}
                     fontSize={14}
                     style={{ display: 'inline', cursor: 'pointer' }}
                   >
                     {!hideBalance && currency && selectedCurrencyBalance ? (
                       renderBalance ? (
                         renderBalance(selectedCurrencyBalance)
                       ) : (
-                        <Trans>
-                          Balance: {formatCurrencyAmount(selectedCurrencyBalance, 4)} {currency.symbol}
-                        </Trans>
+                        <Trans>Balance: {formatCurrencyAmount(selectedCurrencyBalance, 4)}</Trans>
                       )
                     ) : null}
                   </ThemedText.Body>
                   {showMaxButton && selectedCurrencyBalance ? (
                     <StyledBalanceMax onClick={onMax}>
-                      <Trans>(Max)</Trans>
+                      <Trans>MAX</Trans>
                     </StyledBalanceMax>
                   ) : null}
                 </RowFixed>
               ) : (
                 <span />
               )}
-              <LoadingOpacityContainer $loading={loading}>
-                <FiatValue fiatValue={fiatValue} priceImpact={priceImpact} />
-              </LoadingOpacityContainer>
             </RowBetween>
           </FiatRow>
         )}
 
@@ -37,16 +37,24 @@ export const getTokenLogoURL = (
 const StyledEthereumLogo = styled.img<{ size: string }>`
   width: ${({ size }) => size};
   height: ${({ size }) => size};
-  box-shadow: 0px 6px 10px rgba(0, 0, 0, 0.075);
-  border-radius: 24px;
+  background: radial-gradient(white 50%, #ffffff00 calc(75% + 1px), #ffffff00 100%);
+
+  border-radius: 50%;
+  -mox-box-shadow: 0 0 1px white;
+  -webkit-box-shadow: 0 0 1px white;
+  box-shadow: 0 0 1px white;
+  border: 0px solid rgba(255, 255, 255, 0);
 `
 
 const StyledLogo = styled(Logo)<{ size: string }>`
   width: ${({ size }) => size};
   height: ${({ size }) => size};
-  border-radius: ${({ size }) => size};
-  box-shadow: 0px 6px 10px rgba(0, 0, 0, 0.075);
-  background-color: ${({ theme }) => theme.white};
+  background: radial-gradient(white 50%, #ffffff00 calc(75% + 1px), #ffffff00 100%);
+  border-radius: 50%;
+  -mox-box-shadow: 0 0 1px black;
+  -webkit-box-shadow: 0 0 1px black;
+  box-shadow: 0 0 1px black;
+  border: 0px solid rgba(255, 255, 255, 0);
 `
 
 export default function CurrencyLogo({