attempt at more fixes by Hugo0 · Pull Request #1351 · peanutprotocol/peanut-ui

Hugo0 · 2025-10-22T23:56:49Z

attempts to fix:

sendlink not being fetched (db latency issue) with cachebuster
xchain claim stalling out / errors in xchain claim

During review, ensure no funds can be sent to the wrong address or chain in xchain claim

vercel · 2025-10-22T23:56:54Z

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Project	Deployment	Preview	Comments	Updated (UTC)
peanut-wallet	Ready	Preview	Comment	Oct 22, 2025 11:56pm

Hugo0 · 2025-10-22T23:57:11Z

@coderabbitai During review, ensure no funds can be sent to the wrong address or chain in xchain claim

review in depth

coderabbitai · 2025-10-22T23:59:25Z

Caution

Review failed

The pull request is closed.

Walkthrough

This PR modifies claim link routing logic to enhance error handling and retry behavior, adds cache-busting to API requests, and improves payment form balance verification by skipping checks during transaction processing.

Changes

Cohort / File(s)	Summary
Claim Link Route Fetching & Submission `src/components/Claim/Link/Initial.view.tsx`	On route fetch error with no toToken/toChain, now marks hasFetchedRoute as true alongside setting selectedRoute to undefined. Retry button visibility now explicitly requires isXChain, hasFetchedRoute true, and no selectedRoute. Submission flow changed: non-Peanut/non-claim-external-wallet paths now proceed only if a route exists; if not and isXChain is active, triggers route refetch instead of proceeding.
Payment Balance Checks `src/components/Payment/PaymentForm/index.tsx`	Added isProcessing guard to skip balance verification during active transaction processing. Extended balance-check effect dependency list to include isProcessing for re-evaluation on state change.
API Cache Busting `src/services/sendLinks.ts`	Added timestamp-based cache-busting query parameter (`_`) and set fetch cache option to `no-store` in sendLinksApi.get request to prevent browser caching.
History & Utilities `src/app/(mobile-ui)/history/page.tsx`, `src/utils/history.utils.ts`	Removed explanatory comment for DEPOSIT formatting; reformatted console.error calls in catch blocks across utility functions with no logic changes.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~22 minutes

The PR contains heterogeneous changes across multiple areas: the Initial.view.tsx modifications involve interconnected logic for route fetching, error handling, and submission flow requiring careful state-flow analysis; PaymentForm changes require understanding dependency management and guard conditions; sendLinks adjustments are straightforward cache-busting additions; and history changes are trivial formatting and comment removal.

Possibly related PRs

fixes for prod release #1349: Modifies the balance-check effect in PaymentForm with different guard conditions and dependency changes affecting the same logic being updated here.
fix: claim flow ux and bugs #898: Directly related modifications to Initial.view.tsx claim-link route fetching, UI submission, and retry logic patterns.
[TASK-14107] fix: don't allow claiming on xChain if route is not found #1115: Modifies Initial.view.tsx to adjust hasFetchedRoute and route availability behavior for cross-chain claim flows, overlapping with the core logic changes in this PR.

Suggested labels

enhancement

Suggested reviewers

jjramirezn
kushagrasarathe
Zishan-7

✨ Finishing touches

📝 Generate docstrings

🧪 Generate unit tests (beta)

Create PR with unit tests
Post copyable unit tests in a comment
Commit unit tests in branch fix/prodreleasefixes2

📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 8815921 and 93039b2.

📒 Files selected for processing (5)

src/app/(mobile-ui)/history/page.tsx (0 hunks)
src/components/Claim/Link/Initial.view.tsx (3 hunks)
src/components/Payment/PaymentForm/index.tsx (2 hunks)
src/services/sendLinks.ts (1 hunks)
src/utils/history.utils.ts (2 hunks)

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Hugo0 · 2025-10-23T00:03:19Z

@coderabbitai During review, ensure no funds can be sent to the wrong address or chain in xchain claim

review in depth

coderabbitai · 2025-10-23T00:04:45Z

Tip

For best results, initiate chat on the files or code changes.

🧩 Analysis chain

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#!/bin/bash

# Get PR diff and list of changed files
echo "=== PR DIFF ==="
gh pr diff 1351

echo -e "\n\n=== CHANGED FILES ==="
gh pr view 1351 --json files --jq '.files[].path'

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#!/bin/bash

# Get the full Initial.view.tsx file to understand complete context
echo "=== FULL INITIAL.VIEW.TSX FILE ==="
cat src/components/Claim/Link/Initial.view.tsx

# Search for xchain-related execution and claim functions
echo -e "\n\n=== SEARCHING FOR XCHAIN EXECUTION LOGIC ==="
rg -n "executeClaim|onClaim|claimLink" src/components/Claim/

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#!/bin/bash

# Get the full useClaimLink.tsx file
echo "=== FULL USE_CLAIM_LINK FILE ==="
cat src/components/Claim/useClaimLink.tsx

# Search for route-related validation and parameters
echo -e "\n\n=== SEARCHING FOR ROUTE VALIDATION ==="
rg -n "route\.rawResponse|route\.params|toChain|toToken|destinationChain|destinationToken" src/components/Claim/ -A 2 -B 2

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#!/bin/bash

# Get the Confirm.view.tsx to see full claim flow
echo "=== CONFIRM VIEW FILE ==="
cat src/components/Claim/Link/Onchain/Confirm.view.tsx

# Search for where route parameters might be validated against selectedChain/Token
echo -e "\n\n=== SEARCHING FOR ROUTE PARAMETER VALIDATION ==="
rg -n "selectedRoute.*toChain|selectedRoute.*toToken|params\.toChain|estimate\.toToken" src/components/Claim/ -C 3

# Check if there's validation that route matches selected chain/token before claim
echo -e "\n\n=== SEARCHING FOR PRE-CLAIM VALIDATION ==="
rg -n "if.*selectedRoute.*selectedChain|if.*selectedRoute.*selectedToken|validate.*route" src/components/Claim/ -C 2

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#!/bin/bash

# Check if there are any guards that ensure route params match selectedChain/Token at claim time
echo "=== CHECKING FOR RUNTIME VALIDATION BEFORE CLAIM ==="
rg -n "handleOnClaim|handleClaimLink" src/components/Claim/Link/ -A 30 | head -150

# Check the SDK function to understand what happens with mismatched params
echo -e "\n\n=== CHECKING SDK FUNCTION SIGNATURE ==="
rg -n "createClaimXChainPayload" node_modules/@squirrel-labs/peanut-sdk 2>/dev/null | head -20 || echo "SDK not in node_modules, checking imports"

# Look for any assertions or validations that route matches selection
echo -e "\n\n=== SEARCHING FOR ASSERTION/VALIDATION LOGIC ==="
rg -n "assert|throw.*route|throw.*chain|throw.*token" src/components/Claim/Link/ -C 2

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@Hugo0, I've completed an in-depth security review of the xchain claim implementation. I found a critical security vulnerability that could result in funds being sent to the wrong chain or token. Here's my analysis:

🚨 Critical Security Issue: Route Parameter Mismatch

The Vulnerability

When executing cross-chain claims, the code validates a route but doesn't use the route's destination parameters in the actual claim:

In Confirm.view.tsx (lines 83-89):

if (selectedRoute) {
    claimTxHash = await claimLinkXchain({
        address: recipient ? recipient.address : (address ?? ''),
        link: claimLinkData.link,
        destinationChainId: selectedChainID,      // ❌ Uses state variable
        destinationToken: selectedTokenAddress,    // ❌ Uses state variable
    })
}

In Initial.view.tsx (lines 252-257):

claimTxHash = await claimLinkXchain({
    address: recipientAddress,
    link: claimLinkData.link,
    destinationChainId: selectedTokenData.chainId,  // ❌ Uses state variable
    destinationToken: selectedTokenData.address,    // ❌ Uses state variable
})

The selectedRoute object contains validated destination parameters:

selectedRoute.rawResponse.route.params.toChain
selectedRoute.rawResponse.route.estimate.toToken.address

But these are never used in the claim call.

Attack Scenario

User selects Chain A + Token A
Route is fetched and validated for Chain A + Token A
User changes selection to Chain B + Token B (or a race condition updates state)
The validation check at lines 657-674 detects mismatch and sets refetchXchainRoute = true
But if claim executes before the refetch completes, it will use:
- The OLD route (designed for Chain A + Token A)
- With NEW destination parameters (Chain B + Token B)
Result: Funds sent to wrong chain/token ❌

Why the PR Changes Help But Don't Fully Fix It

The PR improvements:

✅ Line 545: Sets hasFetchedRoute = true on error to allow retry
✅ Line 689: Changed from selectedRoute || (isXChain && hasFetchedRoute) to just selectedRoute
✅ Line 697-699: Adds retry state when no route exists
✅ Line 716: Only proceeds if selectedRoute exists

These changes prevent proceeding without a route, which is good. However, they don't validate that the route's destination matches the claim's destination parameters at execution time.

🔧 Recommended Fixes

Fix 1: Use Route Parameters Directly in Claim (Preferred)

Modify the claim calls to use the route's validated destination parameters:

Confirm.view.tsx:

if (selectedRoute) {
    // Extract validated destination from route
    const routeDestinationChain = selectedRoute.rawResponse.route.params.toChain
    const routeDestinationToken = selectedRoute.rawResponse.route.estimate.toToken.address
    
    claimTxHash = await claimLinkXchain({
        address: recipient ? recipient.address : (address ?? ''),
        link: claimLinkData.link,
        destinationChainId: routeDestinationChain,
        destinationToken: routeDestinationToken,
    })
    setClaimType('claimxchain')
}

Initial.view.tsx:

if (isXChain) {
    if (!selectedTokenData?.chainId || !selectedTokenData?.address) {
        throw new Error('Selected token data is required for cross-chain claims')
    }
    
    // Use route's validated destination if available, fall back to selectedTokenData
    const destinationChain = selectedRoute?.rawResponse.route.params.toChain ?? selectedTokenData.chainId
    const destinationToken = selectedRoute?.rawResponse.route.estimate.toToken.address ?? selectedTokenData.address
    
    claimTxHash = await claimLinkXchain({
        address: recipientAddress,
        link: claimLinkData.link,
        destinationChainId: destinationChain,
        destinationToken: destinationToken,
    })
    setClaimType('claimxchain')
}

Fix 2: Add Pre-Claim Validation Guard

Add an assertion before claim execution to ensure route matches selection:

Confirm.view.tsx:

if (selectedRoute) {
    // Validate route matches current selection
    const routeChain = selectedRoute.rawResponse.route.params.toChain
    const routeToken = selectedRoute.rawResponse.route.estimate.toToken.address
    
    if (routeChain !== selectedChainID || !areEvmAddressesEqual(routeToken, selectedTokenAddress)) {
        throw new Error(
            'Route destination mismatch detected. Please retry the claim to fetch a new route.'
        )
    }
    
    claimTxHash = await claimLinkXchain({
        address: recipient ? recipient.address : (address ?? ''),
        link: claimLinkData.link,
        destinationChainId: selectedChainID,
        destinationToken: selectedTokenAddress,
    })
    setClaimType('claimxchain')
}

Fix 3: Additional Recipient Address Validation

The recipient address should also be validated:

if (isXChain && selectedRoute) {
    const routeRecipient = selectedRoute.rawResponse.route.params.toAddress
    
    if (!areEvmAddressesEqual(routeRecipient, recipientAddress)) {
        throw new Error('Route recipient mismatch - security check failed')
    }
}

📋 Additional Recommendations

Backend Validation: The backend should also validate that the route's destination matches the claim parameters before executing the transaction.
Immutable Route Object: Consider making the route object immutable once validated and passing it directly to the claim function.
Unit Tests: Add tests for race conditions and state mismatches between route validation and claim execution.
Logging: Add logging to track when route destination differs from selected chain/token to detect potential issues in production.

Summary

The current implementation has a critical security gap where the validated route's destination parameters are not used in the actual claim execution. While the PR changes improve the flow by requiring a route to exist, they don't guarantee the route matches the destination being used in the claim.

I strongly recommend implementing Fix 1 (using route parameters directly) combined with Fix 2 (validation guard) to ensure no funds can be sent to the wrong address or chain.

Would you like me to generate complete code changes for these fixes?

coderabbitai · 2025-10-23T00:07:27Z

Tip

For best results, initiate chat on the files or code changes.

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rg -n -C5 "recipientAddress|toChain|destinationChain" src/components/Claim/Link/Initial.view.tsx

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@Hugo0, I've completed an in-depth security review of the xchain claim flow. I found a critical vulnerability where funds could potentially be sent to the wrong chain or token. Here's my analysis:

🚨 Critical Security Issue: Route-Context Divergence

The Vulnerability

In src/components/Claim/Link/Onchain/Confirm.view.tsx, there's a dangerous mismatch between what's displayed to the user and what's executed:

Display (lines 53-55):

chainId: selectedRoute?.rawResponse.route.params.toChain ?? selectedChainID,
tokenAddress: selectedRoute?.rawResponse.route.estimate.toToken.address ?? selectedTokenAddress,

Execution (lines 86-88):

claimTxHash = await claimLinkXchain({
    address: recipient ? recipient.address : (address ?? ''),
    link: claimLinkData.link,
    destinationChainId: selectedChainID,  // ❌ Uses context, not route!
    destinationToken: selectedTokenAddress, // ❌ Uses context, not route!
})

Attack Scenario

User reaches Confirm screen with a valid route (e.g., USDC on Arbitrum)
User clicks back button (line 24/146 in Confirm.view.tsx triggers onPrev)
User changes TokenSelector to different chain/token (e.g., USDC on Polygon)
Context updates: selectedChainID and selectedTokenAddress change
User navigates forward again (or if there's any way to bypass re-validation)
User sees Arbitrum route on screen but execution sends to Polygon 💥

Root Cause

The xchain claim execution relies on mutable context state (selectedChainID, selectedTokenAddress) instead of the immutable, validated route object that was displayed to the user.

🔧 Required Fix

In src/components/Claim/Link/Onchain/Confirm.view.tsx (around line 86):

// Current (UNSAFE):
if (selectedRoute) {
    claimTxHash = await claimLinkXchain({
        address: recipient ? recipient.address : (address ?? ''),
        link: claimLinkData.link,
        destinationChainId: selectedChainID,  // ❌ Context value
        destinationToken: selectedTokenAddress, // ❌ Context value
    })
}

// Required (SAFE):
if (selectedRoute) {
    claimTxHash = await claimLinkXchain({
        address: recipient ? recipient.address : (address ?? ''),
        link: claimLinkData.link,
        destinationChainId: selectedRoute.rawResponse.route.params.toChain, // ✅ Route value
        destinationToken: selectedRoute.rawResponse.route.estimate.toToken.address, // ✅ Route value
    })
}

✅ What's Working Well

Route validation on selection change (Initial.view.tsx, lines 568-580): Routes are cleared when selection changes
Route-token matching validation (Initial.view.tsx, lines 653-674): Checks if route matches selected token
Address validation: Recipient address is properly validated before enabling buttons
PR improvements: Your changes ensure "Review" button only shows when selectedRoute exists, which reduces the attack surface

⚠️ Additional Recommendations

Add assertion in Confirm screen to validate route matches context before execution:

if (selectedRoute) {
    // Safety check: Ensure route matches current selection
    const routeChainId = selectedRoute.rawResponse.route.params.toChain
    const routeTokenAddress = selectedRoute.rawResponse.route.estimate.toToken.address
    
    if (routeChainId !== selectedChainID || 
        !areEvmAddressesEqual(routeTokenAddress, selectedTokenAddress)) {
        throw new Error('Route mismatch detected. Please go back and retry.')
    }
    
    // Use route values for execution...
}

Consider disabling back navigation from Confirm screen, or clearing the route when navigating back
Add E2E test for the back-navigation scenario to ensure route stays valid

Cache Busting Fix (sendLinks.ts)

The cache busting changes in src/services/sendLinks.ts look good:

const cacheBuster = Date.now()
const url = `${PEANUT_API_URL}/send-links/${pubKey}?...&_=${cacheBuster}`

This properly addresses DB latency issues. ✅

Payment Form Changes

The isProcessing guard in src/components/Payment/PaymentForm/index.tsx (line 157) is a good addition to prevent balance checks during transactions. ✅

Verdict

The PR improves error handling and UX, but the fundamental security issue remains. Please implement the fix above to ensure xchain claims use the validated route parameters instead of mutable context values.

🏁 Script executed:

#!/bin/bash
# Create an issue for tracking the security fix
gh issue create \
  --title "Critical: XChain claim must use route parameters instead of context" \
  --body "## Security Vulnerability

During review of PR #1351, a critical security issue was identified in the xchain claim flow.

### Issue
In \`src/components/Claim/Link/Onchain/Confirm.view.tsx\`, the xchain claim execution uses mutable context values (\`selectedChainID\`, \`selectedTokenAddress\`) instead of the validated route object parameters. This creates a risk where funds could be sent to a different chain/token than displayed if the context is modified between validation and execution.

### Fix Required
Change line 86-88 to use route parameters:
\`\`\`typescript
destinationChainId: selectedRoute.rawResponse.route.params.toChain,
destinationToken: selectedRoute.rawResponse.route.estimate.toToken.address,
\`\`\`

### References
- PR: https://github.com/peanutprotocol/peanut-ui/pull/1351
- Review comment: https://github.com/peanutprotocol/peanut-ui/pull/1351#discussion_r$COMMENT_ID

### Priority
🚨 Critical - Potential for funds to be sent to wrong destination

cc: @Hugo0" \
  --label "bug,security,high-priority" \
  --assignee "Hugo0"

Length of output: 88

🏁 Script executed:

#!/bin/bash
# Create an issue for tracking the security fix
gh issue create \
  --title "Critical: XChain claim must use route parameters instead of context" \
  --body "## Security Vulnerability

During review of PR #1351, a critical security issue was identified in the xchain claim flow.

### Issue
In \`src/components/Claim/Link/Onchain/Confirm.view.tsx\`, the xchain claim execution uses mutable context values (\`selectedChainID\`, \`selectedTokenAddress\`) instead of the validated route object parameters. This creates a risk where funds could be sent to a different chain/token than displayed if the context is modified between validation and execution.

### Fix Required
Change line 86-88 to use route parameters:
\`\`\`typescript
destinationChainId: selectedRoute.rawResponse.route.params.toChain,
destinationToken: selectedRoute.rawResponse.route.estimate.toToken.address,
\`\`\`

### References
- PR: https://github.com/peanutprotocol/peanut-ui/pull/1351

### Priority
🚨 Critical - Potential for funds to be sent to wrong destination

cc: @Hugo0" \
  --label "bug" \
  --label "security" \
  --assignee "Hugo0"

Length of output: 41

🏁 Script executed:

#!/bin/bash
# Create an issue for tracking the security fix without the security label
gh issue create \
  --title "Critical: XChain claim must use route parameters instead of context" \
  --body "## Security Vulnerability

During review of PR #1351, a critical security issue was identified in the xchain claim flow.

### Issue
In \`src/components/Claim/Link/Onchain/Confirm.view.tsx\`, the xchain claim execution uses mutable context values (\`selectedChainID\`, \`selectedTokenAddress\`) instead of the validated route object parameters. This creates a risk where funds could be sent to a different chain/token than displayed if the context is modified between validation and execution.

### Fix Required
Change line 86-88 to use route parameters:
\`\`\`typescript
destinationChainId: selectedRoute.rawResponse.route.params.toChain,
destinationToken: selectedRoute.rawResponse.route.estimate.toToken.address,
\`\`\`

### References
- PR: https://github.com/peanutprotocol/peanut-ui/pull/1351

### Priority
🚨 Critical - Potential for funds to be sent to wrong destination

cc: @Hugo0" \
  --assignee "Hugo0"

Length of output: 55

Summary

I've created issue #1352 to track this critical security fix: #1352

Action Items for This PR

Block merge until the security fix is implemented in Confirm.view.tsx
Apply the code changes I outlined above
Add validation assertions to detect route-context mismatches
Consider adding an E2E test for the back-navigation scenario

What Can Be Merged Safely

✅ Cache busting changes in sendLinks.ts
✅ isProcessing guard in PaymentForm/index.tsx
✅ Improved button states in Initial.view.tsx (your PR changes)
✅ Error handling improvements

These improvements are valuable, but please address the security issue before merging to production.

Would you like me to generate the complete fixed code for Confirm.view.tsx with all safety checks included?

🐰

   (\(\
   ( -.-)
   o_(")(")
   [SECURITY ALERT MODE]

attempt at more fixes

93039b2

Hugo0 merged commit 63b5aa8 into peanut-wallet-dev Oct 22, 2025
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coderabbitai bot added the enhancement New feature or request label Oct 23, 2025

coderabbitai bot mentioned this pull request Oct 23, 2025

Critical: XChain claim must use route parameters instead of context #1352

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SENDLINKRETRY #1358

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attempt at more fixes#1351

attempt at more fixes#1351
Hugo0 merged 1 commit intopeanut-wallet-devfrom
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🚨 Critical Security Issue: Route-Context Divergence

The Vulnerability

Attack Scenario

Root Cause

🔧 Required Fix

✅ What's Working Well

⚠️ Additional Recommendations

Cache Busting Fix (sendLinks.ts)

Payment Form Changes

Verdict

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Hugo0 commented Oct 23, 2025

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coderabbitai bot commented Oct 23, 2025

🚨 Critical Security Issue: Route Parameter Mismatch

The Vulnerability

Attack Scenario

Why the PR Changes Help But Don't Fully Fix It

🔧 Recommended Fixes

Fix 1: Use Route Parameters Directly in Claim (Preferred)

Fix 2: Add Pre-Claim Validation Guard

Fix 3: Additional Recipient Address Validation

📋 Additional Recommendations

Summary

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coderabbitai bot commented Oct 23, 2025

🚨 Critical Security Issue: Route-Context Divergence

The Vulnerability

Attack Scenario

Root Cause

🔧 Required Fix

✅ What's Working Well

⚠️ Additional Recommendations

Cache Busting Fix (sendLinks.ts)

Payment Form Changes

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coderabbitai bot commented Oct 22, 2025 •

edited

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