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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,147 @@ | ||
| import Grid from '@tw/Grid' | ||
| import { useEffect, useState } from 'react' | ||
| import { useAccount, useAccountEffect, useSwitchChain } from 'wagmi' | ||
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| import { LandingPageWrapper } from '@layouts/LandingPageWrapper' | ||
| import StandardPageContainer from '@layouts/StandardPageContainer' | ||
| import { getErc20TokenAllowance } from '@/actions/getErc20TokenAllowance' | ||
| import { approveToken } from '@/utils/approveToken' | ||
| import { TransactionButton } from '@/components/buttons/TransactionButton' | ||
| import { useConnectModal } from '@rainbow-me/rainbowkit' | ||
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| const CHAIN_IDS = [1, 42161, 10] | ||
| const LIFI_SPENDER = "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae" | ||
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| const TOKENS = { | ||
| USDC: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', | ||
| USDT: '0xdac17f958d2ee523a2206206994597c13d831ec7', | ||
| WETH: '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2' | ||
| } as const; | ||
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| interface TokenAllowances { | ||
| [chainId: number]: { | ||
| [token: string]: bigint | ||
| } | ||
| } | ||
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| const LifiPage = () => { | ||
| const { address, isConnected, chain } = useAccount() | ||
| const { chains, switchChain: switchNetwork } = useSwitchChain() | ||
| const { openConnectModal } = useConnectModal() | ||
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| const [allowances, setAllowances] = useState<TokenAllowances>({}) | ||
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| useEffect(() => { | ||
| const fetchAllowances = async () => { | ||
| if (address) { | ||
| const newAllowances: TokenAllowances = {} | ||
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| for (const chainId of CHAIN_IDS) { | ||
| newAllowances[chainId] = {} | ||
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| for (const [tokenName, tokenAddress] of Object.entries(TOKENS)) { | ||
| const allowance = await getErc20TokenAllowance({ | ||
| address, | ||
| chainId, | ||
| tokenAddress, | ||
| spender: LIFI_SPENDER, | ||
| }) | ||
| newAllowances[chainId][tokenName] = allowance | ||
| } | ||
| } | ||
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| setAllowances(newAllowances) | ||
| } | ||
| } | ||
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| if (isConnected) { | ||
| fetchAllowances() | ||
| } | ||
| }, [address, isConnected]) | ||
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| const handleRevoke = async (chainId: number, tokenName: string, tokenAddress: string) => { | ||
| if (chain?.id !== chainId) { | ||
| await switchNetwork({chainId: chainId}) | ||
| } | ||
| await approveToken(LIFI_SPENDER, chainId, tokenAddress, 0n) | ||
| setAllowances(prev => ({ | ||
| ...prev, | ||
| [chainId]: { | ||
| ...prev[chainId], | ||
| [tokenName]: 0n | ||
| } | ||
| })) | ||
| } | ||
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| return ( | ||
| <LandingPageWrapper> | ||
| <StandardPageContainer | ||
| connectedChainId={chain?.id} | ||
| address={address} | ||
| > | ||
| <div className="flex justify-between"> | ||
| <div> | ||
| <div className="text-2xl text-white"> | ||
| Revoke Li.fi Approvals (Multi-chain) | ||
| </div> | ||
| </div> | ||
| </div> | ||
| <div className="py-6"> | ||
| <Grid | ||
| cols={{ xs: 1 }} | ||
| gap={6} | ||
| className="justify-center px-2 py-16 sm:px-6 md:px-8" | ||
| > | ||
| <div className="pb-3 place-self-center"> | ||
| <div> | ||
| <h3>Li.fi / Jumper is investigating an ongoing exploit, and users should revoke approvals <a className="underline" target="_blank" href="https://x.com/lifiprotocol/status/1813196697641570635">- Li.fi Tweet</a></h3> | ||
|
There was a problem hiding this comment. Spelling: The URL in the anchor tag should be updated to a valid link. The current link to 'x.com' is likely incorrect. |
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| <br /> | ||
| <h3>Check to see if you have any approvals at risk below:</h3> | ||
| <br /> | ||
| {isConnected ? ( | ||
| CHAIN_IDS.map(chainId => ( | ||
| <div key={chainId}> | ||
| <h4>Chain ID: {chainId}</h4> | ||
| {Object.entries(allowances[chainId] || {}).map(([tokenName, allowance]) => ( | ||
| <div key={tokenName}> | ||
| {tokenName} Allowance: {allowance.toString()} | ||
| {allowance > 0n && ( | ||
| <TransactionButton | ||
| className="btn btn-primary ml-2" | ||
| pendingLabel="Revoking..." | ||
| label={`Revoke ${tokenName} Approval`} | ||
| onClick={() => handleRevoke(chainId, tokenName, TOKENS[tokenName])} | ||
| /> | ||
| )} | ||
| </div> | ||
| ))} | ||
| </div> | ||
| )) | ||
| ) : ( | ||
| <div className="flex flex-col justify-center h-full p-10"> | ||
| <TransactionButton | ||
| style={{ | ||
| background: 'linear-gradient(90deg, rgba(128, 0, 255, 0.2) 0%, rgba(255, 0, 191, 0.2) 100%)', | ||
| border: '1px solid #9B6DD7', | ||
| borderRadius: '4px', | ||
| }} | ||
| label="Connect wallet to check for approvals" | ||
| pendingLabel="Connecting" | ||
| onClick={() => new Promise((resolve) => { | ||
| openConnectModal() | ||
| resolve(true) | ||
| })} | ||
| /> | ||
| </div> | ||
| )} | ||
| </div> | ||
| </div> | ||
| </Grid> | ||
| </div> | ||
| </StandardPageContainer> | ||
| </LandingPageWrapper> | ||
| ) | ||
| } | ||
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| export default LifiPage | ||
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Style: The
useAccountEffectimport is unused and can be removed.