feat: dynamic defaultCurrencyCode for moonpay (#7383)

src/components/AccountDrawer/MiniPortfolio/Activity/parseRemote.tsx

@@ -21,6 +21,7 @@ import { gqlToCurrency, logSentryErrorForUnsupportedChain, supportedChainIdFromG
 import ms from 'ms'
 import { useEffect, useState } from 'react'
 import { isAddress } from 'utils'
+import { isSameAddress } from 'utils/addresses'
 import { NumberType, useFormatter } from 'utils/formatNumbers'
 
 import { MOONPAY_SENDER_ADDRESSES, OrderStatusTable, OrderTextTable } from '../constants'
@@ -77,10 +78,6 @@ const COMMON_CONTRACTS: { [key: string]: Partial<Activity> | undefined } = {
   },
 }
 
-function isSameAddress(a?: string, b?: string) {
-  return a === b || a?.toLowerCase() === b?.toLowerCase() // Lazy-lowercases the addresses
-}
-
 function callsPositionManagerContract(assetActivity: TransactionActivity) {
   const supportedChain = supportedChainIdFromGQLChain(assetActivity.chain)
   if (!supportedChain) return false

src/components/FiatOnrampModal/constants.ts

@@ -0,0 +1,17 @@
+export const MOONPAY_SUPPORTED_CURRENCY_CODES = [
+  'eth',
+  'eth_arbitrum',
+  'eth_optimism',
+  'eth_polygon',
+  'weth',
+  'wbtc',
+  'matic_polygon',
+  'polygon',
+  'usdc_arbitrum',
+  'usdc_optimism',
+  'usdc_polygon',
+  'usdc',
+  'usdt',
+] as const
+
+export type MoonpaySupportedCurrencyCode = (typeof MOONPAY_SUPPORTED_CURRENCY_CODES)[number]

src/components/FiatOnrampModal/index.tsx

@@ -10,6 +10,8 @@ import { useIsDarkMode } from 'theme/components/ThemeToggle'
 
 import Circle from '../../assets/images/blue-loader.svg'
 import Modal from '../Modal'
+import { MOONPAY_SUPPORTED_CURRENCY_CODES } from './constants'
+import { getDefaultCurrencyCode, parsePathParts } from './utils'
 
 const MOONPAY_DARK_BACKGROUND = '#1c1c1e'
 const Wrapper = styled.div<{ isDarkMode: boolean }>`
@@ -55,20 +57,6 @@ const StyledSpinner = styled(CustomLightSpinner)`
   top: 0;
 `
 
-const MOONPAY_SUPPORTED_CURRENCY_CODES = [
-  'eth',
-  'eth_arbitrum',
-  'eth_optimism',
-  'eth_polygon',
-  'weth',
-  'wbtc',
-  'matic_polygon',
-  'polygon',
-  'usdc_arbitrum',
-  'usdc_optimism',
-  'usdc_polygon',
-]
-
 export default function FiatOnrampModal() {
   const { account } = useWeb3React()
   const theme = useTheme()
@@ -76,6 +64,8 @@ export default function FiatOnrampModal() {
   const closeModal = useCloseModal()
   const fiatOnrampModalOpen = useModalIsOpen(ApplicationModal.FIAT_ONRAMP)
 
+  const { network, tokenAddress } = parsePathParts(location.pathname)
+
   const [signedIframeUrl, setSignedIframeUrl] = useState<string | null>(null)
   const [error, setError] = useState<string | null>(null)
   const [loading, setLoading] = useState(false)
@@ -100,7 +90,7 @@ export default function FiatOnrampModal() {
         body: JSON.stringify({
           theme: isDarkMode ? 'dark' : 'light',
           colorCode: theme.accent1,
-          defaultCurrencyCode: 'eth',
+          defaultCurrencyCode: getDefaultCurrencyCode(tokenAddress, network),
           redirectUrl: swapUrl,
           walletAddresses: JSON.stringify(
             MOONPAY_SUPPORTED_CURRENCY_CODES.reduce(
@@ -121,7 +111,7 @@ export default function FiatOnrampModal() {
     } finally {
       setLoading(false)
     }
-  }, [account, isDarkMode, swapUrl, theme.accent1])
+  }, [account, isDarkMode, network, swapUrl, theme.accent1, tokenAddress])
 
   useEffect(() => {
     fetchSignedIframeUrl()

src/components/FiatOnrampModal/utils.test.ts

@@ -0,0 +1,78 @@
+import { ChainId, WETH9 } from '@uniswap/sdk-core'
+import {
+  MATIC,
+  USDC_ARBITRUM,
+  USDC_MAINNET,
+  USDC_OPTIMISM,
+  USDC_POLYGON,
+  USDT,
+  WBTC,
+  WETH_POLYGON,
+} from 'constants/tokens'
+
+import { getDefaultCurrencyCode, parsePathParts } from './utils'
+
+describe('getDefaultCurrencyCode', () => {
+  it('NATIVE/arbitrum should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode('NATIVE', 'arbitrum')).toBe('eth_arbitrum')
+  })
+  it('NATIVE/optimism should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode('NATIVE', 'optimism')).toBe('eth_optimism')
+  })
+  it('WETH/polygon should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(WETH_POLYGON.address, 'polygon')).toBe('eth_polygon')
+  })
+  it('WETH/ethereum should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(WETH9[ChainId.MAINNET].address, 'ethereum')).toBe('weth')
+  })
+  it('WBTC/ethereum should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(WBTC.address, 'ethereum')).toBe('wbtc')
+  })
+  it('NATIVE/polygon should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode('NATIVE', 'polygon')).toBe('matic_polygon')
+  })
+  it('MATIC/ethereum should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(MATIC.address, 'ethereum')).toBe('polygon')
+  })
+  it('USDC/arbitrum should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(USDC_ARBITRUM.address, 'arbitrum')).toBe('usdc_arbitrum')
+  })
+  it('USDC/optimism should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(USDC_OPTIMISM.address, 'optimism')).toBe('usdc_optimism')
+  })
+  it('USDC/polygon should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(USDC_POLYGON.address, 'polygon')).toBe('usdc_polygon')
+  })
+  it('native/ethereum should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode('NATIVE', 'ethereum')).toBe('eth')
+  })
+  it('usdc/ethereum should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(USDC_MAINNET.address, 'ethereum')).toBe('usdc')
+  })
+  it('usdt/ethereum should return the correct currency code', () => {
+    expect(getDefaultCurrencyCode(USDT.address, 'ethereum')).toBe('usdt')
+  })
+  it('chain/token mismatch should default to eth', () => {
+    expect(getDefaultCurrencyCode(USDC_ARBITRUM.address, 'ethereum')).toBe('eth')
+    expect(getDefaultCurrencyCode(USDC_OPTIMISM.address, 'ethereum')).toBe('eth')
+    expect(getDefaultCurrencyCode(USDC_POLYGON.address, 'ethereum')).toBe('eth')
+    expect(getDefaultCurrencyCode(MATIC.address, 'arbitrum')).toBe('eth')
+  })
+})
+
+describe('parseLocation', () => {
+  it('should parse the URL correctly', () => {
+    expect(parsePathParts('/tokens/ethereum/0x2260fac5e5542a773aa44fbcfedf7c193bc2c599')).toEqual({
+      network: 'ethereum',
+      tokenAddress: '0x2260fac5e5542a773aa44fbcfedf7c193bc2c599',
+    })
+    expect(parsePathParts('tokens/ethereum/0x2260fac5e5542a773aa44fbcfedf7c193bc2c599')).toEqual({
+      network: 'ethereum',
+      tokenAddress: '0x2260fac5e5542a773aa44fbcfedf7c193bc2c599',
+    })
+    expect(parsePathParts('/swap')).toEqual({
+      network: undefined,
+      tokenAddress: undefined,
+    })
+  })
+})

src/components/FiatOnrampModal/utils.ts

@@ -0,0 +1,74 @@
+import { ChainId, WETH9 } from '@uniswap/sdk-core'
+import {
+  BRIDGED_USDC_ARBITRUM,
+  MATIC,
+  USDC_ARBITRUM,
+  USDC_MAINNET,
+  USDC_OPTIMISM,
+  USDC_POLYGON,
+  USDT,
+  WBTC,
+  WETH_POLYGON,
+} from 'constants/tokens'
+import { Chain } from 'graphql/data/__generated__/types-and-hooks'
+import { validateUrlChainParam } from 'graphql/data/util'
+
+import { MoonpaySupportedCurrencyCode } from './constants'
+
+type MoonpaySupportedChain = Chain.Ethereum | Chain.Polygon | Chain.Arbitrum | Chain.Optimism
+const moonPaySupportedChains = [Chain.Ethereum, Chain.Polygon, Chain.Arbitrum, Chain.Optimism]
+
+const CURRENCY_CODES: {
+  [K in MoonpaySupportedChain]: {
+    [key: string]: MoonpaySupportedCurrencyCode
+    native: MoonpaySupportedCurrencyCode
+  }
+} = {
+  [Chain.Ethereum]: {
+    [WETH9[ChainId.MAINNET]?.address.toLowerCase()]: 'weth',
+    [USDC_MAINNET.address.toLowerCase()]: 'usdc',
+    [USDT.address.toLowerCase()]: 'usdt',
+    [WBTC.address.toLowerCase()]: 'wbtc',
+    [MATIC.address.toLowerCase()]: 'polygon',
+    native: 'eth',
+  },
+  [Chain.Arbitrum]: {
+    [USDC_ARBITRUM.address.toLowerCase()]: 'usdc_arbitrum',
+    [BRIDGED_USDC_ARBITRUM.address.toLowerCase()]: 'usdc_arbitrum',
+    native: 'eth_arbitrum',
+  },
+  [Chain.Optimism]: {
+    [USDC_OPTIMISM.address.toLowerCase()]: 'usdc_optimism',
+    native: 'eth_optimism',
+  },
+  [Chain.Polygon]: {
+    [USDC_POLYGON.address.toLowerCase()]: 'usdc_polygon',
+    [WETH_POLYGON.address.toLowerCase()]: 'eth_polygon',
+    native: 'matic_polygon',
+  },
+}
+
+export function getDefaultCurrencyCode(
+  address: string | undefined,
+  chainName: string | undefined
+): MoonpaySupportedCurrencyCode {
+  const chain = validateUrlChainParam(chainName)
+  if (!address || !chain) return 'eth'
+  if (moonPaySupportedChains.includes(chain)) {
+    const code = CURRENCY_CODES[chain as MoonpaySupportedChain]?.[address.toLowerCase()]
+    return code ?? 'eth'
+  }
+  return 'eth'
+}
+
+/**
+ * You should use useParams() from react-router-dom instead of this function if possible.
+ * This function is only used in the case where we need to parse the path outside the scope of the router.
+ */
+export function parsePathParts(pathname: string): { network?: string; tokenAddress?: string } {
+  const pathParts = pathname.split('/')
+  // Matches the /tokens/<network>/<tokenAddress> path.
+  const network = pathParts.length > 2 ? pathParts[pathParts.length - 2] : undefined
+  const tokenAddress = pathParts.length > 2 ? pathParts[pathParts.length - 1] : undefined
+  return { network, tokenAddress }
+}

src/constants/tokens.ts

@@ -96,6 +96,13 @@ export const DAI_OPTIMISM = new Token(
   'DAI',
   'Dai stable coin'
 )
+export const MATIC = new Token(
+  ChainId.MAINNET,
+  '0x7d1afa7b718fb893db30a3abc0cfc608aacfebb0',
+  18,
+  'MATIC',
+  'Polygon Matic'
+)
 export const DAI_POLYGON = new Token(
   ChainId.POLYGON,
   '0x8f3Cf7ad23Cd3CaDbD9735AFf958023239c6A063',

src/utils/addresses.ts

@@ -11,6 +11,10 @@ export function isAddress(value: any): string | false {
   }
 }
 
+export function isSameAddress(a?: string, b?: string) {
+  return a === b || a?.toLowerCase() === b?.toLowerCase() // Lazy-lowercases the addresses
+}
+
 // Shortens an Ethereum address
 export function shortenAddress(address = '', charsStart = 4, charsEnd = 4): string {
   const parsed = isAddress(address)