8000 feat: refactor and add more networks to the token details page swap w… by cowdan · Pull Request #5900 · cowprotocol/cowswap · GitHub
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feat: refactor and add more networks to the token details page swap w… #5900

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Merged
merged 6 commits into from
Jun 30, 2025
Merged

feat: refactor and add more networks to the token details page swap w… #5900

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8ba9154
feat: refactor and add more networks to the token details page swap w…
cowdan Jun 27, 2025
290d194
Merge branch 'develop' into feat/refactor-token-detail-swap-widget
cowdan Jun 30, 2025
b892e27
Merge branch 'develop' into feat/refactor-token-detail-swap-widget
cowdan Jun 30, 2025
1ff2d8a
chore: address CR comments
cowdan Jun 30, 2025
d6f32b3
Merge branch 'develop' into feat/refactor-token-detail-swap-widget
cowdan Jun 30, 2025
116924d
chore: address CR comments
cowdan Jun 30, 2025
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184 changes: 108 additions & 76 deletions apps/cow-fi/components/SwapWidget.tsx
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10000
Original file line number Diff line number Diff line change
@@ -1,14 +1,23 @@
import React, { useState, useEffect, ChangeEvent } from 'react'
import { useState, useEffect, ChangeEvent, JSX } from 'react'

import { Color } from '@cowprotocol/ui'

import Image from 'next/image'
import { transparentize } from 'polished'
import styled from 'styled-components/macro'

import { LinkWithUtmComponent } from 'modules/utm/components'

import { Button } from '@/components/Button'
import { CONFIG } from '@/const/meta'
import {
Network,
NETWORK_DEFAULT_BUY_TOKEN_MAP,
NETWORK_DEFAULT_SELL_TOKEN_MAP,
NETWORK_ID_MAP,
NETWORK_IMAGE_MAP,
NETWORK_MAP,
} from '@/const/networkMap'

type TabProps = {
active: boolean
Expand Down Expand Up @@ -193,128 +202,151 @@ type SwapWidgetProps = {
platforms: Platforms
}

enum Networks {
ETHEREUM = 'ethereum',
XDAI = 'xdai',
type Tab = 'Buy' | 'Sell'
const DEFAULT_TAB: Tab = 'Buy'
const DEFAULT_NETWORK: Network = 'ethereum'

const getBuyAndSellTokens = (
activeTab: Tab,
network: Network,
contractAddress: string,
): { sellToken: string; buyToken: string } => {
if (activeTab === 'Buy') {
return {
sellToken: NETWORK_DEFAULT_SELL_TOKEN_MAP[network],
buyToken: contractAddress,
}
}

return {
sellToken: contractAddress,
buyToken: NETWORK_DEFAULT_BUY_TOKEN_MAP[network],
}
}

const NETWORK_MAP: { [key: string]: string } = {
[Networks.ETHEREUM]: 'Ethereum',
[Networks.XDAI]: 'Gnosis Chain',
const Tabs = ({ activeTab, setActiveTab }: { activeTab: Tab; setActiveTab: (tab: Tab) => void }): JSX.Element => {
return (
<TabContainer>
<Tab => setActiveTab('Buy')} active={activeTab === 'Buy'}>
Buy
</Tab>
<Tab => setActiveTab('Sell')} active={activeTab === 'Sell'}>
Sell
</Tab>
</TabContainer>
)
}

const WXDAI = '0xe91d153e0b41518a2ce8dd3d7944fa863463a97d'
const WETH = ['0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', '0x6a023ccd1ff6f2045c3309768ead9e68f978f6e1']
function DropdownNetworkOption({
network,
handleSelect,
}: {
network: Network
handleSelect: (network: Network) => void
}): JSX.Element {
const width = 20
const height = 20

export const SwapWidget = ({ tokenId, tokenSymbol, tokenImage, platforms }: SwapWidgetProps) => {
const [activeTab, setActiveTab] = useState('Buy')
const [network, setNetwork] = useState<string | null>(null)
return (
<DropdownOption => handleSelect(network)}>
<Image src={NETWORK_IMAGE_MAP[network]} alt={NETWORK_MAP[network]} width={width} height={height} />
{NETWORK_MAP[network]}
</DropdownOption>
)
}

const getDropdownBody = (platforms: Platforms, handleSelect: (network: Network) => void): JSX.Element => {
const { ethereum, xdai, base, 'arbitrum-one': arbitrum, avalanche, 'polygon-pos': polygon } = platforms

return (
<DropdownBody>
{ethereum?.contractAddress && <DropdownNetworkOption network="ethereum" handleSelect={handleSelect} />}
{base?.contractAddress && <DropdownNetworkOption network="base" handleSelect={handleSelect} />}
{arbitrum?.contractAddress && <DropdownNetworkOption network="arbitrum-one" handleSelect={handleSelect} />}
{polygon?.contractAddress && <DropdownNetworkOption network="polygon-pos" handleSelect={handleSelect} />}
{avalanche?.contractAddress && <DropdownNetworkOption network="avalanche" handleSelect={handleSelect} />}
{xdai?.contractAddress && <DropdownNetworkOption network="xdai" handleSelect={handleSelect} />}
</DropdownBody>
)
}

function getNetworkFromPlatforms(platforms: Platforms): Network {
const { ethereum, xdai, base, 'arbitrum-one': arbitrum, avalanche, 'polygon-pos': polygon } = platforms

if (ethereum?.contractAddress) return 'ethereum'
if (base?.contractAddress) return 'base'
if (arbitrum?.contractAddress) return 'arbitrum-one'
if (polygon?.contractAddress) return 'polygon-pos'
if (avalanche?.contractAddress) return 'avalanche'
if (xdai?.contractAddress) return 'xdai'

return 'ethereum'
}

export const SwapWidget = ({ tokenId, tokenSymbol, tokenImage, platforms }: SwapWidgetProps): JSX.Element => {
const [activeTab, setActiveTab] = useState<Tab>(DEFAULT_TAB)
const [network, setNetwork] = useState<Network>(DEFAULT_NETWORK)
const [amount, setAmount] = useState(0)

const [isOpen, setIsOpen] = useState(false)
const handleSelect = (network: string | null) => {

const handleSelect = (network: Network): void => {
setNetwork(network)
setIsOpen(false)
}

// set initial network based on the available platforms
useEffect(() => {
// set initial network based on the available platforms
if (platforms.ethereum.contractAddress) setNetwork(Networks.ETHEREUM)
else if (platforms.xdai.contractAddress) setNetwork(Networks.XDAI)
setNetwork(getNetworkFromPlatforms(platforms))
}, [platforms])

const handleInputChange = (event: ChangeEvent<any>) => {
const handleInputChange = (event: ChangeEvent<HTMLInputElement>): void => {
let value = event.target.value

// Remove leading minus sign if present
if (value.startsWith('-')) {
value = value.slice(1)
}

if (value === '' || (parseFloat(value) >= 0 && !isNaN(value))) {
setAmount(value)
if (value === '' || (parseFloat(value) >= 0 && !isNaN(parseFloat(value)))) {
setAmount(parseFloat(value))
}
}

const onSwap = () => {
const getSwapUrl = (): string => {
if (network && platforms[network]) {
const networkId = network === 'xdai' ? 100 : 1
const networkId = NETWORK_ID_MAP[network as Network]
const contractAddress = platforms[network].contractAddress

let sellToken, buyToken
if (activeTab === 'Buy') {
sellToken = networkId === 100 ? 'WXDAI' : 'WETH'
buyToken = contractAddress

if (contractAddress === WXDAI) {
sellToken = 'XDAI'
}

if (WETH.includes(contractAddress)) {
sellToken = networkId === 100 ? 'WXDAI' : 'ETH'
}
} else {
sellToken = contractAddress
buyToken = networkId === 100 ? 'WXDAI' : 'WETH'

if (contractAddress === WXDAI) {
buyToken = 'XDAI'
}

if (WETH.includes(contractAddress)) {
buyToken = networkId === 100 ? 'WXDAI' : 'ETH'
}
}
const { sellToken, buyToken } = getBuyAndSellTokens(activeTab, network as Network, contractAddress)

return `https://swap.cow.fi/#/${networkId}/swap/${sellToken}/${buyToken}?${activeTab.toLowerCase()}Amount=${amount}`
} else {
return '#'
}
}

const networkImage = NETWORK_IMAGE_MAP[network as Network]
const networkName = NETWORK_MAP[network as Network]

return (
<Wrapper>
<TabContainer>
<Tab => setActiveTab('Buy')} active={activeTab === 'Buy'}>
Buy
</Tab>
<Tab => setActiveTab('Sell')} active={activeTab === 'Sell'}>
Sell
</Tab>
</TabContainer>
<Tabs activeTab={activeTab} setActiveTab={setActiveTab} />

<DropdownContainer>
<DropdownHeader => setIsOpen(!isOpen)}>
<img
src={`/images/${network === Networks.ETHEREUM ? 'ethereum' : 'gnosis-chain'}.svg`}
alt={network ? NETWORK_MAP[network] : ''}
/>
<b>{network ? NETWORK_MAP[network] : ''}</b>
<Image src={networkImage} alt={networkName} width={16} height={16} />
<b>{networkName}</b>
</DropdownHeader>
{isOpen && (
<DropdownBody>
{platforms?.ethereum?.contractAddress && (
<DropdownOption => handleSelect('ethereum')}>
<img src="/images/ethereum.svg" alt="Ethereum" />
Ethereum
</DropdownOption>
)}
{platforms?.xdai?.contractAddress && (
<DropdownOption => handleSelect('xdai')}>
<img src="/images/gnosis-chain.svg" alt="Gnosis Chain" />
Gnosis Chain
</DropdownOption>
)}
</DropdownBody>
)}
{isOpen && getDropdownBody(platforms, handleSelect)}
</DropdownContainer>

<InputLabel>
{activeTab === 'Buy' ? 'Receive' : 'Send'}

<div>
<TokenLabel>
<img src={tokenImage} alt={tokenSymbol} />
<Image src={tokenImage} alt={tokenSymbol} width={20} height={20} />
<span>{tokenSymbol}</span>
</TokenLabel>
<Input min={0} value={amount} type="text" placeholder="0" />
Expand All @@ -326,7 +358,7 @@ export const SwapWidget = ({ tokenId, tokenSymbol, tokenImage, platforms }: Swap
...CONFIG.utm,
utmContent: 'utm_content=swap-widget-token__' + encodeURI(tokenId),
}}
href={onSwap()}
href={getSwapUrl()}
passHref
>
<Button label={`Swap ${tokenSymbol}`} fontSize={1.6} minHeight={4.2} />
Expand Down
27 changes: 27 additions & 0 deletions apps/cow-fi/const/networkMap.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,15 @@ export const NETWORK_MAP = {
xdai: 'Gnosis Chain',
}

export const NETWORK_ID_MAP: Record<Network, number> = {
ethereum: 1,
base: 8453,
'arbitrum-one': 42161,
avalanche: 43114,
'polygon-pos': 137,
xdai: 100,
}

export const NETWORK_IMAGE_MAP: Record<Network, string> = {
ethereum: '/images/ethereum.svg',
base: '/images/base-chain.svg',
Expand All @@ -25,4 +34,22 @@ export const NETWORK_URL_MAP: Record<Network, string> = {
xdai: 'https://gnosisscan.io/address/',
}

export const NETWORK_DEFAULT_SELL_TOKEN_MAP: Record<Network, string> = {
ethereum: 'WETH',
base: 'WETH',
'arbitrum-one': 'WETH',
avalanche: 'WAVAX',
'polygon-pos': 'WPOL',
xdai: 'WXDAI',
}

export const NETWORK_DEFAULT_BUY_TOKEN_MAP: Record<Network, string> = {
ethereum: 'WETH',
base: 'WETH',
'arbitrum-one': 'WETH',
avalanche: 'WAVAX',
'polygon-pos': 'WPOL',
xdai: 'WXDAI',
}

export type Network = keyof typeof NETWORK_MAP
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