fix: remove unused feature flags (#7234)

* fix: remove unused feature flags

* fix: remove flag from tests

* fix: tests

* fix: remove useUniswapX param

cypress/e2e/buy-crypto-modal.test.ts

-import { FeatureFlag } from '../../src/featureFlags'
 import { getTestSelector } from '../utils'
 
 describe('Buy Crypto Modal', () => {
   it('should open and close', () => {
-    cy.visit('/', { featureFlags: [FeatureFlag.fiatOnRampButtonOnSwap] })
+    cy.visit('/')
 
     // Open the fiat onramp modal
     cy.get(getTestSelector('buy-fiat-button')).click()
@@ -16,7 +15,7 @@ describe('Buy Crypto Modal', () => {
 
   it('should open and close, mobile viewport', () => {
     cy.viewport('iphone-6')
-    cy.visit('/', { featureFlags: [FeatureFlag.fiatOnRampButtonOnSwap] })
+    cy.visit('/')
 
     // Open the fiat onramp modal
     cy.get(getTestSelector('buy-fiat-button')).click()

cypress/e2e/swap/settings.test.ts

@@ -24,6 +24,6 @@ describe('Swap settings', () => {
     cy.contains('Transaction deadline').should('exist')
     cy.contains('UniswapX').should('exist')
     cy.contains('Local routing').should('exist')
-    cy.get(getTestSelector('mobile-settings-scrim')).click()
+    cy.get(getTestSelector('mobile-settings-scrim')).click({ force: true })
   })
 })

src/components/FeatureFlagModal/FeatureFlagModal.tsx

 import Column from 'components/Column'
 import { BaseVariant, FeatureFlag, featureFlagSettings, useUpdateFlag } from 'featureFlags'
 import { useCurrencyConversionFlag } from 'featureFlags/flags/currencyConversion'
-import { useForceUniswapXOnFlag } from 'featureFlags/flags/forceUniswapXOn'
 import { useFotAdjustmentsFlag } from 'featureFlags/flags/fotAdjustments'
 import { useInfoExploreFlag } from 'featureFlags/flags/infoExplore'
 import { useInfoLiveViewsFlag } from 'featureFlags/flags/infoLiveViews'
@@ -236,12 +235,6 @@ export default function FeatureFlagModal() {
           featureFlag={FeatureFlag.uniswapXEnabled}
           label="Enable UniswapX on interface"
         />
-        <FeatureFlagOption
-          variant={BaseVariant}
-          value={useForceUniswapXOnFlag()}
-          featureFlag={FeatureFlag.forceUniswapXOn}
-          label="Force routing api to enable UniswapX"
-        />
         <FeatureFlagOption
           variant={BaseVariant}
           value={useUniswapXSyntheticQuoteFlag()}

src/components/swap/SwapHeader.tsx

 import { Trans } from '@lingui/macro'
 import { Percent } from '@uniswap/sdk-core'
-import { useFiatOnRampButtonEnabled } from 'featureFlags/flags/fiatOnRampButton'
 import { InterfaceTrade } from 'state/routing/types'
 import styled from 'styled-components'
 import { ThemedText } from 'theme'
@@ -28,15 +27,13 @@ export default function SwapHeader({
   chainId?: number
   trade?: InterfaceTrade
 }) {
-  const fiatOnRampButtonEnabled = useFiatOnRampButtonEnabled()
-
   return (
     <StyledSwapHeader>
       <HeaderButtonContainer>
         <ThemedText.SubHeader>
           <Trans>Swap</Trans>
         </ThemedText.SubHeader>
-        {fiatOnRampButtonEnabled && <SwapBuyFiatButton />}
+        <SwapBuyFiatButton />
       </HeaderButtonContainer>
       <RowFixed>
         <SettingsTab autoSlippage={autoSlippage} chainId={chainId} trade={trade} />

src/featureFlags/flags/fiatOnRampButton.ts

-import { BaseVariant, FeatureFlag, useBaseFlag } from '../index'
-
-function useFiatOnRampButtonFlag(): BaseVariant {
-  return useBaseFlag(FeatureFlag.fiatOnRampButtonOnSwap)
-}
-
-export function useFiatOnRampButtonEnabled(): boolean {
-  return useFiatOnRampButtonFlag() === BaseVariant.Enabled
-}

src/featureFlags/flags/forceUniswapXOn.ts

-import { BaseVariant, FeatureFlag, useBaseFlag } from '../index'
-
-export function useForceUniswapXOnFlag(): BaseVariant {
-  return useBaseFlag(FeatureFlag.forceUniswapXOn)
-}
-
-export function useForceUniswapXOn(): boolean {
-  return useForceUniswapXOnFlag() === BaseVariant.Enabled
-}

src/featureFlags/index.tsx

@@ -7,12 +7,9 @@ import { useGate } from 'statsig-react'
  */
 export enum FeatureFlag {
   traceJsonRpc = 'traceJsonRpc',
-  permit2 = 'permit2',
-  fiatOnRampButtonOnSwap = 'fiat_on_ramp_button_on_swap_page',
   debounceSwapQuote = 'debounce_swap_quote',
   uniswapXEnabled = 'uniswapx_enabled', // enables sending dutch_limit config to routing-api
   uniswapXSyntheticQuote = 'uniswapx_synthetic_quote',
-  forceUniswapXOn = 'uniswapx_force_on', // forces routing-api's feature flag for uniswapx to turn on as well
   uniswapXEthOutputEnabled = 'uniswapx_eth_output_enabled',
   uniswapXExactOutputEnabled = 'uniswapx_exact_output_enabled',
   multichainUX = 'multichain_ux',

src/lib/hooks/routing/useRoutingAPIArguments.ts

 import { SkipToken, skipToken } from '@reduxjs/toolkit/query/react'
 import { Currency, CurrencyAmount, TradeType } from '@uniswap/sdk-core'
-import { useForceUniswapXOn } from 'featureFlags/flags/forceUniswapXOn'
 import { useFotAdjustmentsEnabled } from 'featureFlags/flags/fotAdjustments'
 import { useUniswapXEnabled } from 'featureFlags/flags/uniswapx'
 import { useUniswapXEthOutputEnabled } from 'featureFlags/flags/uniswapXEthOutput'
@@ -33,7 +32,6 @@ export function useRoutingAPIArguments({
 }): GetQuoteArgs | SkipToken {
   const uniswapXEnabled = useUniswapXEnabled()
   const uniswapXForceSyntheticQuotes = useUniswapXSyntheticQuoteEnabled()
-  const forceUniswapXOn = useForceUniswapXOn()
   const userDisabledUniswapX = useUserDisabledUniswapX()
   const uniswapXEthOutputEnabled = useUniswapXEthOutputEnabled()
   const uniswapXExactOutputEnabled = useUniswapXExactOutputEnabled()
@@ -59,7 +57,6 @@ export function useRoutingAPIArguments({
             needsWrapIfUniswapX: tokenIn.isNative,
             uniswapXEnabled,
             uniswapXForceSyntheticQuotes,
-            forceUniswapXOn,
             userDisabledUniswapX,
             uniswapXEthOutputEnabled,
             uniswapXExactOutputEnabled,
@@ -75,7 +72,6 @@ export function useRoutingAPIArguments({
       uniswapXEnabled,
       uniswapXExactOutputEnabled,
       uniswapXForceSyntheticQuotes,
-      forceUniswapXOn,
       userDisabledUniswapX,
       uniswapXEthOutputEnabled,
       fotAdjustmentsEnabled,

src/state/routing/slice.ts

@@ -128,15 +128,7 @@ export const routingApi = createApi({
         if (shouldUseAPIRouter(args)) {
           fellBack = true
           try {
-            const {
-              tokenInAddress,
-              tokenInChainId,
-              tokenOutAddress,
-              tokenOutChainId,
-              amount,
-              tradeType,
-              forceUniswapXOn,
-            } = args
+            const { tokenInAddress, tokenInChainId, tokenOutAddress, tokenOutChainId, amount, tradeType } = args
             const type = isExactInput(tradeType) ? 'EXACT_INPUT' : 'EXACT_OUTPUT'
 
             const requestBody = {
@@ -146,8 +138,6 @@ export const routingApi = createApi({
               tokenOut: tokenOutAddress,
               amount,
               type,
-              // if forceUniswapXOn is not ON, then use the backend's default value
-              useUniswapX: forceUniswapXOn || undefined,
               configs: getRoutingAPIConfig(args),
             }
 

src/state/routing/types.ts

@@ -46,7 +46,6 @@ export interface GetQuoteArgs {
   uniswapXForceSyntheticQuotes: boolean
   uniswapXEthOutputEnabled: boolean
   uniswapXExactOutputEnabled: boolean
-  forceUniswapXOn: boolean
   userDisabledUniswapX: boolean
   fotAdjustmentsEnabled: boolean
 }