FE LiFi: Revoke approvals #2874
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PR Summary
- Added
LifiPagecomponent to revoke token approvals for USDC, USDT, and WETH - Fetches and displays current allowances for these tokens
- Connect wallet button shown if user is not connected
- Revoke approval buttons displayed if allowances > 0
- Utilizes hooks for state management and existing utility functions
1 file(s) reviewed, 5 comment(s)
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| const usdcAllowance = await getErc20TokenAllowance({ | ||
| address: "0xbc6f5a4ed57f16af3db54da801aba8d1dc4ed675", | ||
| chainId: connectedChainId, | ||
| tokenAddress: usdcAddress, | ||
| spender: "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", |
There was a problem hiding this comment.
Style: Consider extracting the common parameters into a variable to avoid repetition.
| new Promise((resolve, reject) => { | ||
| try { | ||
| openConnectModal() | ||
| resolve(true) | ||
| } catch (e) { | ||
| reject(e) | ||
| } | ||
| }) | ||
| } |
There was a problem hiding this comment.
Logic: Using a promise here is redundant since openConnectModal is already a synchronous function.
| await approveToken( | ||
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | ||
| connectedChainId, | ||
| usdcAddress, | ||
| 0n, | ||
| ) |
There was a problem hiding this comment.
Style: Wrap the approveToken call in a try/catch block to handle potential errors.
| await approveToken( | ||
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | ||
| connectedChainId, | ||
| usdtAddress, | ||
| 0n, | ||
| ) |
There was a problem hiding this comment.
Style: Wrap the approveToken call in a try/catch block to handle potential errors.
| onClick={async () => { | ||
| await approveToken( | ||
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | ||
| connectedChainId, | ||
| wethAddress, | ||
| 0n, |
There was a problem hiding this comment.
Style: Wrap the approveToken call in a try/catch block to handle potential errors.
Deploying sanguine-fe with
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| Latest commit: |
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| Status: | ⚡️ Build in progress... |
Bundle ReportChanges will decrease total bundle size by 494.67kB ⬇️
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## master #2874 +/- ##
====================================================
+ Coverage 23.57349% 90.47619% +66.90270%
====================================================
Files 679 54 -625
Lines 50841 1008 -49833
Branches 80 80
====================================================
- Hits 11985 912 -11073
+ Misses 37533 93 -37440
+ Partials 1323 3 -1320
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| Latest commit: |
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| Status: | ✅ Deploy successful! |
| Preview URL: | https://d4ecf3b7.sanguine.pages.dev |
| Branch Preview URL: | https://fe-lifi-approvals.sanguine.pages.dev |
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Actionable comments posted: 1
Review details
Configuration used: .coderabbit.yaml
Review profile: CHILL
Files selected for processing (1)
- packages/synapse-interface/pages/lifi/index.tsx (1 hunks)
Additional comments not posted (2)
packages/synapse-interface/pages/lifi/index.tsx (2)
1-12: Review of imports: Looks clean and well-organized.The imports are specific and seem necessary for the functionality of the
LifiPagecomponent. No issues detected here.
176-176: Export statement is correct.The
LifiPagecomponent is correctly exported as a default export.
| <div className="flex justify-between"> | ||
| <div> | ||
| <div className="text-2xl text-white"> | ||
| Revoke Li.fi Approvals | ||
| </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> | ||
| <div>USDC Allowance At Risk: {usdcAllowance.toString()}</div> | ||
| <div>USDT Allowance At Risk: {usdtAllowance.toString()}</div> | ||
| <div>WETH Allowance at Risk: {wethAllowance.toString()}</div> | ||
| </div> | ||
| </div> | ||
| {!isConnected && ( | ||
| <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" | ||
| pendingLabel="Connecting" | ||
| onClick={() => | ||
| new Promise((resolve, reject) => { | ||
| try { | ||
| openConnectModal() | ||
| resolve(true) | ||
| } catch (e) { | ||
| reject(e) | ||
| } | ||
| }) | ||
| } | ||
| /> | ||
| </div> | ||
| )} | ||
| {usdcAllowance > 0n && ( | ||
| <TransactionButton | ||
| className="btn btn-primary" | ||
| pendingLabel="Revoking..." | ||
| label="Revoke USDC Approval" | ||
| onClick={async () => { | ||
| await approveToken( | ||
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | ||
| connectedChainId, | ||
| usdcAddress, | ||
| 0n, | ||
| ) | ||
| setUsdcAllowance(0n) | ||
| }} | ||
| /> | ||
| )} | ||
|
|
||
| {usdtAllowance > 0n && ( | ||
| <TransactionButton | ||
| className="btn btn-primary" | ||
| pendingLabel="Revoking..." | ||
| label="Revoke USDT Approval" | ||
| onClick={async () => { | ||
| await approveToken( | ||
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | ||
| connectedChainId, | ||
| usdtAddress, | ||
| 0n, | ||
| ) | ||
| setUsdtAllowance(0n) | ||
| }} | ||
| /> | ||
| )} | ||
|
|
||
| {wethAllowance > 0n && ( | ||
| <TransactionButton | ||
| className="btn btn-primary" | ||
| pendingLabel="Revoking..." | ||
| label="Revoke WETH Approval" | ||
| onClick={async () => { | ||
| await approveToken( | ||
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | ||
| connectedChainId, | ||
| wethAddress, | ||
| 0n, | ||
| ) | ||
| setWethAllowance(0n) | ||
| }} | ||
| /> | ||
| )} | ||
| </Grid> | ||
| </div> | ||
| </StandardPageContainer> | ||
| </LandingPageWrapper> | ||
| ) | ||
| } |
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Comprehensive review of the LifiPage component.
- State Management and Hooks: The use of
useStateanduseEffectappears appropriate. The state is managed locally and updates are triggered based on changes to relevant dependencies. - Blockchain Interactions: The component fetches token allowances and allows users to revoke approvals. It is crucial to ensure that these interactions are secure and efficient.
- Conditional Rendering: The use of conditional rendering based on the wallet connection status and token allowances is correctly implemented.
- Error Handling: Consider adding error handling for asynchronous operations, especially those interacting with the blockchain.
- Code Duplication: The code for fetching token allowances is repeated for each token. This could be refactored into a more reusable function to reduce duplication and improve maintainability.
- const usdcAllowance = await getErc20TokenAllowance({
- address: "0xbc6f5a4ed57f16af3db54da801aba8d1dc4ed675",
- chainId: connectedChainId,
- tokenAddress: usdcAddress,
- spender: "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae",
- })
+ const fetchTokenAllowance = async (tokenAddress) => {
+ return await getErc20TokenAllowance({
+ address: "0xbc6f5a4ed57f16af3db54da801aba8d1dc4ed675",
+ chainId: connectedChainid,
+ tokenAddress,
+ spender: "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae",
+ });
+ }
+ const usdcAllowance = await fetchTokenAllowance(usdcAddress);- Performance Considerations: Ensure that the asynchronous functions do not block the UI or lead to performance issues.
- Security Concerns: Verify that all blockchain interactions are secure, particularly in terms of handling user addresses and chain IDs.
Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| const LifiPage = () => { | |
| const { address: currentAddress, chain, isConnected } = useAccount() | |
| const [connectedChainId, setConnectedChainId] = useState(0) | |
| const [address, setAddress] = useState(undefined) | |
| const { openConnectModal } = useConnectModal() | |
| useEffect(() => { | |
| setConnectedChainId(chain?.id ?? DEFAULT_FROM_CHAIN) | |
| }, [chain]) | |
| useEffect(() => { | |
| setAddress(currentAddress) | |
| }, [currentAddress]) | |
| const usdcAddress = '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48' | |
| const usdtAddress = '0xdac17f958d2ee523a2206206994597c13d831ec7' | |
| const wethAddress = '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2' | |
| const [usdcAllowance, setUsdcAllowance] = useState<bigint>(0n) | |
| const [usdtAllowance, setUsdtAllowance] = useState<bigint>(0n) | |
| const [wethAllowance, setWethAllowance] = useState<bigint>(0n) | |
| useEffect(() => { | |
| const fetchAllowances = async () => { | |
| if (address) { | |
| const usdcAllowance = await getErc20TokenAllowance({ | |
| address: "0xbc6f5a4ed57f16af3db54da801aba8d1dc4ed675", | |
| chainId: connectedChainId, | |
| tokenAddress: usdcAddress, | |
| spender: "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| }) | |
| setUsdcAllowance(usdcAllowance) | |
| const usdtAllowance = await getErc20TokenAllowance({ | |
| address: "0xbc6f5a4ed57f16af3db54da801aba8d1dc4ed675", | |
| chainId: connectedChainId, | |
| tokenAddress: usdtAddress, | |
| spender: "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| }) | |
| setUsdtAllowance(usdtAllowance) | |
| const wethAllowance = await getErc20TokenAllowance({ | |
| address: "0xbc6f5a4ed57f16af3db54da801aba8d1dc4ed675", | |
| chainId: connectedChainId, | |
| tokenAddress: wethAddress, | |
| spender: "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| }) | |
| setWethAllowance(wethAllowance) | |
| } | |
| } | |
| fetchAllowances() | |
| }, [address, connectedChainId]) | |
| return ( | |
| <LandingPageWrapper> | |
| <StandardPageContainer | |
| connectedChainId={connectedChainId} | |
| address={address} | |
| > | |
| <div className="flex justify-between"> | |
| <div> | |
| <div className="text-2xl text-white"> | |
| Revoke Li.fi Approvals | |
| </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> | |
| <div>USDC Allowance At Risk: {usdcAllowance.toString()}</div> | |
| <div>USDT Allowance At Risk: {usdtAllowance.toString()}</div> | |
| <div>WETH Allowance at Risk: {wethAllowance.toString()}</div> | |
| </div> | |
| </div> | |
| {!isConnected && ( | |
| <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" | |
| pendingLabel="Connecting" | |
| onClick={() => | |
| new Promise((resolve, reject) => { | |
| try { | |
| openConnectModal() | |
| resolve(true) | |
| } catch (e) { | |
| reject(e) | |
| } | |
| }) | |
| } | |
| /> | |
| </div> | |
| )} | |
| {usdcAllowance > 0n && ( | |
| <TransactionButton | |
| className="btn btn-primary" | |
| pendingLabel="Revoking..." | |
| label="Revoke USDC Approval" | |
| onClick={async () => { | |
| await approveToken( | |
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| connectedChainId, | |
| usdcAddress, | |
| 0n, | |
| ) | |
| setUsdcAllowance(0n) | |
| }} | |
| /> | |
| )} | |
| {usdtAllowance > 0n && ( | |
| <TransactionButton | |
| className="btn btn-primary" | |
| pendingLabel="Revoking..." | |
| label="Revoke USDT Approval" | |
| onClick={async () => { | |
| await approveToken( | |
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| connectedChainId, | |
| usdtAddress, | |
| 0n, | |
| ) | |
| setUsdtAllowance(0n) | |
| }} | |
| /> | |
| )} | |
| {wethAllowance > 0n && ( | |
| <TransactionButton | |
| className="btn btn-primary" | |
| pendingLabel="Revoking..." | |
| label="Revoke WETH Approval" | |
| onClick={async () => { | |
| await approveToken( | |
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| connectedChainId, | |
| wethAddress, | |
| 0n, | |
| ) | |
| setWethAllowance(0n) | |
| }} | |
| /> | |
| )} | |
| </Grid> | |
| </div> | |
| </StandardPageContainer> | |
| </LandingPageWrapper> | |
| ) | |
| } | |
| const LifiPage = () => { | |
| const { address: currentAddress, chain, isConnected } = useAccount() | |
| const [connectedChainId, setConnectedChainId] = useState(0) | |
| const [address, setAddress] = useState(undefined) | |
| const { openConnectModal } = useConnectModal() | |
| useEffect(() => { | |
| setConnectedChainId(chain?.id ?? DEFAULT_FROM_CHAIN) | |
| }, [chain]) | |
| useEffect(() => { | |
| setAddress(currentAddress) | |
| }, [currentAddress]) | |
| const usdcAddress = '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48' | |
| const usdtAddress = '0xdac17f958d2ee523a2206206994597c13d831ec7' | |
| const wethAddress = '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2' | |
| const [usdcAllowance, setUsdcAllowance] = useState<bigint>(0n) | |
| const [usdtAllowance, setUsdtAllowance] = useState<bigint>(0n) | |
| const [wethAllowance, setWethAllowance] = useState<bigint>(0n) | |
| useEffect(() => { | |
| const fetchTokenAllowance = async (tokenAddress) => { | |
| return await getErc20TokenAllowance({ | |
| address: "0xbc6f5a4ed57f16af3db54da801aba8d1dc4ed675", | |
| chainId: connectedChainId, | |
| tokenAddress, | |
| spender: "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| }); | |
| } | |
| const fetchAllowances = async () => { | |
| if (address) { | |
| const usdcAllowance = await fetchTokenAllowance(usdcAddress); | |
| setUsdcAllowance(usdcAllowance) | |
| const usdtAllowance = await fetchTokenAllowance(usdtAddress); | |
| setUsdtAllowance(usdtAllowance) | |
| const wethAllowance = await fetchTokenAllowance(wethAddress); | |
| setWethAllowance(wethAllowance) | |
| } | |
| } | |
| fetchAllowances() | |
| }, [address, connectedChainId]) | |
| return ( | |
| <LandingPageWrapper> | |
| <StandardPageContainer | |
| connectedChainId={connectedChainId} | |
| address={address} | |
| > | |
| <div className="flex justify-between"> | |
| <div> | |
| <div className="text-2xl text-white"> | |
| Revoke Li.fi Approvals | |
| </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> | |
| <div>USDC Allowance At Risk: {usdcAllowance.toString()}</div> | |
| <div>USDT Allowance At Risk: {usdtAllowance.toString()}</div> | |
| <div>WETH Allowance at Risk: {wethAllowance.toString()}</div> | |
| </div> | |
| </div> | |
| {!isConnected && ( | |
| <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" | |
| pendingLabel="Connecting" | |
| onClick={() => | |
| new Promise((resolve, reject) => { | |
| try { | |
| openConnectModal() | |
| resolve(true) | |
| } catch (e) { | |
| reject(e) | |
| } | |
| }) | |
| } | |
| /> | |
| </div> | |
| )} | |
| {usdcAllowance > 0n && ( | |
| <TransactionButton | |
| className="btn btn-primary" | |
| pendingLabel="Revoking..." | |
| label="Revoke USDC Approval" | |
| onClick={async () => { | |
| await approveToken( | |
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| connectedChainId, | |
| usdcAddress, | |
| 0n, | |
| ) | |
| setUsdcAllowance(0n) | |
| }} | |
| /> | |
| )} | |
| {usdtAllowance > 0n && ( | |
| <TransactionButton | |
| className="btn btn-primary" | |
| pendingLabel="Revoking..." | |
| label="Revoke USDT Approval" | |
| onClick={async () => { | |
| await approveToken( | |
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| connectedChainId, | |
| usdtAddress, | |
| 0n, | |
| ) | |
| setUsdtAllowance(0n) | |
| }} | |
| /> | |
| )} | |
| {wethAllowance > 0n && ( | |
| <TransactionButton | |
| className="btn btn-primary" | |
| pendingLabel="Revoking..." | |
| label="Revoke WETH Approval" | |
| onClick={async () => { | |
| await approveToken( | |
| "0x1231deb6f5749ef6ce6943a275a1d3e7486f4eae", | |
| connectedChainId, | |
| wethAddress, | |
| 0n, | |
| ) | |
| setWethAllowance(0n) | |
| }} | |
| /> | |
| )} | |
| </Grid> | |
| </div> | |
| </StandardPageContainer> | |
| </LandingPageWrapper> | |
| ) | |
| } |
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PR Summary
(updates since last review)
- Updated
getErc20TokenAllowancecalls to usecurrentAddressinpackages/synapse-interface/pages/lifi/index.tsx
1 file(s) reviewed, no comment(s)
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Review profile: CHILL
Files selected for processing (1)
- packages/synapse-interface/pages/lifi/index.tsx (1 hunks)
Files skipped from review as they are similar to previous changes (1)
- packages/synapse-interface/pages/lifi/index.tsx
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PR Summary
(updates since last review)
- Introduced new page for managing Li.fi approvals for USDC, USDT, and WETH tokens (
packages/synapse-interface/pages/lifi/index.tsx) - Fetch token allowances and revoke approvals directly from the interface
- Conditional rendering based on wallet connection status
- Inform users about ongoing exploit and encourage revoking approvals
1 file(s) reviewed, no comment(s)
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PR Summary
(updates since last review)
- Updated wallet connection button label for clarity (
packages/synapse-interface/pages/lifi/index.tsx) - Conditional rendering based on wallet connection status (
packages/synapse-interface/pages/lifi/index.tsx)
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PR Summary
(updates since last review)
- No major changes found since last review.
1 file(s) reviewed, 2 comment(s)
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| if (chain?.id !== chainId) { | ||
| await switchNetwork({chainId: chainId}) | ||
| } | ||
| await approveToken(LIFI_SPENDER, chainId, tokenAddress, 0n) |
There was a problem hiding this comment.
Style: Wrap approveToken call in a try/catch block to handle potential errors.
| onClick={() => new Promise((resolve) => { | ||
| openConnectModal() | ||
| resolve(true) |
There was a problem hiding this comment.
Logic: Using a promise here is redundant since openConnectModal is already a synchronous function.
Description
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Additional context
Add any other context about the problem you're solving.
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9db21f2: synapse-interface preview link
2a607fc: synapse-interface preview link
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