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@gomesalexandre gomesalexandre commented Jan 5, 2026

Description

  • follows up on fix: trade routing #11560 which accidentally work in dev server only due to a race condition
  • now working on actual builds too

Issue (if applicable)

N/A

Risk

Low - simple guard condition added to prevent race condition

What protocols, transaction types, wallets or contract interactions might be affected by this PR?

None - this is a UI routing fix only

Testing

  • play around with spot swapper i.e refresh, change pairs, refresh, change tab to limit
  • play around with limit swapper i.e refresh, change pairs, refresh, change tab to spot

Engineering

  • make sure to test this with yarn preview:prod

Operations

  • 🏁 My feature is behind a flag and doesn't require operations testing (yet)

Screenshots (if applicable)

https://jam.dev/c/30223805-b3f0-48f6-8e08-1478b15c711f

Summary by CodeRabbit

  • Bug Fixes
    • Fixed an issue where route parameters for trades or limits were incorrectly being overridden by default initialization values. The application now properly respects route-based initialization when navigating to trade or limit routes via URL parameters, ensuring the intended settings are preserved.

✏️ Tip: You can customize this high-level summary in your review settings.

@gomesalexandre gomesalexandre requested a review from a team as a code owner January 5, 2026 18:55
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coderabbitai bot commented Jan 5, 2026

📝 Walkthrough

Walkthrough

An early return guard was added to the defaults-initialization effect in AppContext to prevent setting trade/limit defaults when URL route parameters indicate a trade or limit route. The hasTradeRouteParams dependency was added to the effect dependency array.

Changes

Cohort / File(s) Summary
AppContext defaults-initialization guard
src/context/AppProvider/AppContext.tsx
Added early return condition in defaults effect to skip trade/limit default initialization when hasTradeRouteParams is true; added hasTradeRouteParams to effect dependency array to trigger re-evaluation on route param changes.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

  • fix: trade routing #11560: Both PRs modify AppContext.tsx to detect trade/limit URL params and skip setting trade/limit defaults when those params are present.

Suggested reviewers

  • NeOMakinG
  • 0xApotheosis

Poem

🐰 A guard stands tall at the gate of defaults,
When URLs whisper of trades to come,
It steps aside with knowing grace,
Letting route params take their place,
No conflicts now, just harmony true! ✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly relates to the main change: fixing trade routing by adding a guard condition to prevent race conditions in route initialization.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
✨ 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_trade_pairs_take_2

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Review profile: CHILL

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📥 Commits

Reviewing files that changed from the base of the PR and between b33f19a and 96a33f0.

📒 Files selected for processing (1)
  • src/context/AppProvider/AppContext.tsx
🧰 Additional context used
📓 Path-based instructions (6)
**/*.{ts,tsx,js,jsx}

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**/*.{ts,tsx,js,jsx}: Never assume a library is available - always check imports/package.json first
Prefer composition over inheritance
Write self-documenting code with clear variable and function names
Keep functions small and focused on a single responsibility
Avoid deep nesting - use early returns instead
Prefer procedural and easy to understand code
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**/*.{ts,tsx}

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**/*.{ts,tsx}: Avoid useEffect where practical - use it only when necessary and following best practices
Avoid 'any' types - use specific type annotations instead
For default values with user overrides, use computed values (useMemo) instead of useEffect - pattern: userSelected ?? smartDefault ?? fallback
When function parameters are unused due to interface requirements, refactor the interface or implementation to remove them rather than prefixing with underscore
Sanitize data before displaying to prevent XSS
Memoize aggressively - wrap component variables in useMemo and callbacks in useCallback where possible
For static JSX icon elements (e.g., <TbCopy />) that don't depend on state/props, define them as constants outside the component to avoid re-renders instead of using useMemo
Account for light/dark mode using useColorModeValue hook
Account for responsive mobile designs in all UI components
When applying styles, use the existing standards and conventions of the codebase
Use Chakra UI components and conventions
All copy/text must use translation keys - never hardcode strings
Use the translation hook: useTranslate() from react-polyglot
Use useFeatureFlag('FlagName') hook to access feature flag values in components
Prefer type over interface for type definitions
Use strict typing - avoid any
Use Nominal types for domain identifiers (e.g., WalletId, AccountId)
Import types from @shapeshiftoss/caip for chain/account/asset IDs
Use useAppSelector for Redux state
Use useAppDispatch for Redux actions
Memoize expensive computations with useMemo
Memoize callbacks with useCallback

**/*.{ts,tsx}: Use Result<T, E> pattern for error handling in swappers and APIs; ALWAYS use Ok() and Err() from @sniptt/monads; AVOID throwing within swapper API implementations
ALWAYS use custom error classes from @shapeshiftoss/errors with meaningful error codes for internationalization and relevant details in error objects
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Files:

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**/*.{tsx,jsx}

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**/*.{tsx,jsx}: ALWAYS wrap React components in error boundaries and provide user-friendly fallback components with error logging
ALWAYS use useErrorToast hook for displaying errors with translated error messages and handle different error types appropriately

Use PascalCase for React component names and match the component name to the file name

Files:

  • src/context/AppProvider/AppContext.tsx
**/*.{js,jsx,ts,tsx}

📄 CodeRabbit inference engine (.cursor/rules/naming-conventions.mdc)

**/*.{js,jsx,ts,tsx}: Use camelCase for variables, functions, and methods with descriptive names that explain the purpose
Use verb prefixes for functions that perform actions (e.g., fetch, validate, execute, update, calculate)
Use UPPER_SNAKE_CASE for constants and configuration values with descriptive names
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Use descriptive import names and avoid renaming imports unless necessary
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**/*.{jsx,tsx}

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**/*.{jsx,tsx}: ALWAYS use useMemo for expensive computations, object/array creations, and filtered data
ALWAYS use useMemo for derived values and computed properties
ALWAYS use useMemo for conditional values and simple transformations
ALWAYS use useCallback for event handlers and functions passed as props
ALWAYS use useCallback for any function that could be passed as a prop or dependency
ALWAYS include all dependencies in useEffect, useMemo, useCallback dependency arrays
NEVER use // eslint-disable-next-line react-hooks/exhaustive-deps unless absolutely necessary, and ALWAYS explain why dependencies are excluded if using eslint disable
ALWAYS use named exports for components; NEVER use default exports for components
KEEP component files under 200 lines when possible; BREAK DOWN large components into smaller, reusable pieces
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ALWAYS provide user-friendly error messages in error handling
ALWAYS use virtualization for lists with 100+ items
ALWAYS implement proper key props for list items
ALWAYS lazy load heavy components using React.lazy for code splitting
ALWAYS use Suspense wrapper for lazy loaded components
USE local state for component-level state; LIFT state up when needed across multiple components; USE Context for avoiding prop drilling; USE Redux only for global state shared across multiple places
Wrap components receiving props with memo for performance optimization

Files:

  • src/context/AppProvider/AppContext.tsx
**/*.tsx

📄 CodeRabbit inference engine (.cursor/rules/react-best-practices.mdc)

Ensure TypeScript types are explicit and proper; avoid use of any type

Files:

  • src/context/AppProvider/AppContext.tsx
🧠 Learnings (11)
📓 Common learnings
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 11170
File: patches/@shapeshiftoss+bitcoinjs-lib+7.0.0-shapeshift.0.patch:9-19
Timestamp: 2025-11-25T21:43:10.838Z
Learning: In shapeshift/web, gomesalexandre will not expand PR scope to fix latent bugs in unused API surface (like bitcoinjs-lib patch validation methods) when comprehensive testing proves the actual used code paths work correctly, preferring to avoid costly hdwallet/web verdaccio publish cycles and full regression testing for conceptual issues with zero runtime impact.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 11536
File: src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx:252-265
Timestamp: 2025-12-27T16:02:59.817Z
Learning: When fixing critical bugs in shapeshift/web, gomesalexandre prefers to keep changes minimal and focused on correctness rather than combining bug fixes with code quality improvements like extracting duplicated logic, even when duplication is present.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10569
File: src/plugins/walletConnectToDapps/components/WalletConnectSigningModal/WalletConnectModalSigningFooter.tsx:121-129
Timestamp: 2025-09-17T22:40:30.149Z
Learning: gomesalexandre maintains strict scope discipline even for style/UI PRs in shapeshift/web, declining functionally correct UX improvements (like keeping Cancel button enabled during gas simulation loading) when they fall outside the PR's stated styling objectives, demonstrating his consistent pattern of deferring valid but tangential improvements to separate efforts.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10461
File: src/plugins/walletConnectToDapps/components/modals/EIP712MessageDisplay.tsx:21-24
Timestamp: 2025-09-12T13:16:27.004Z
Learning: gomesalexandre declined to add error boundaries to WalletConnect modals in PR #10461, stating "no error boundaries in this pr ser", consistent with his preference to keep PR scope focused and defer tangential improvements to separate efforts.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10461
File: src/plugins/walletConnectToDapps/utils/tenderly/index.ts:0-0
Timestamp: 2025-09-12T11:56:19.437Z
Learning: gomesalexandre rejected verbose try/catch error handling for address validation in Tenderly integration (PR #10461), calling the approach "ugly" but still implemented safety measures in commit ad7e424b89, preferring cleaner safety implementations over defensive programming patterns.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10490
File: src/pages/Trade/tabs/LimitTab.tsx:0-0
Timestamp: 2025-09-16T09:36:40.347Z
Learning: gomesalexandre declined to add error boundaries to the LimitTab route element in PR #10490, stating "not concerned about error boundaries as part of this PR", consistent with his preference to keep PR scope focused on the main navigation/UI changes rather than expanding into error handling infrastructure.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10418
File: src/plugins/walletConnectToDapps/components/header/WalletConnectToDappsHeaderButton.tsx:0-0
Timestamp: 2025-09-08T22:00:48.005Z
Learning: gomesalexandre dismissed an aria-label accessibility suggestion with "meh" in PR #10418 for WalletConnectToDappsHeaderButton.tsx, consistent with the team's pattern of deferring minor a11y improvements to follow-up PRs rather than expanding feature PR scope.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10232
File: packages/unchained-client/openapitools.json:61-61
Timestamp: 2025-08-08T10:23:16.843Z
Learning: In shapeshift/web, for temporary “monkey patch” PRs (e.g., packages/unchained-client/openapitools.json using jsDelivr CDN refs like cosmos/mayachain), gomesalexandre is fine with branch-based URLs and does not want SHA pinning. Treat this as a scoped exception to their general preference for pinned dependencies/refs.
Learnt from: NeOMakinG
Repo: shapeshift/web PR: 10323
File: src/components/ButtonWalletPredicate/ButtonWalletPredicate.tsx:7-7
Timestamp: 2025-08-27T09:47:06.275Z
Learning: In shapeshift/web project, NeOMakinG consistently prefers to defer UI/UX improvements and refactoring work (like the Drawer.Close hack fix in ButtonWalletPredicate.tsx) to follow-up PRs rather than expanding the scope of feature PRs, even when the improvements would enhance robustness.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10572
File: src/components/EarnDashboard/components/PositionDetails/StakingPositionsByProvider.tsx:9-9
Timestamp: 2025-09-18T09:19:59.425Z
Learning: gomesalexandre dismissed a technical suggestion about using location from useBrowserRouter instead of mixing useLocation with useBrowserRouter.navigate with "meh" in PR #10572 for StakingPositionsByProvider.tsx, consistent with his pattern of preferring functional solutions over architectural purity when the current approach works adequately.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10458
File: src/plugins/walletConnectToDapps/types.ts:7-7
Timestamp: 2025-09-10T15:34:29.604Z
Learning: gomesalexandre is comfortable relying on transitive dependencies (like abitype through ethers/viem) rather than explicitly declaring them in package.json, preferring to avoid package.json bloat when the transitive dependency approach works reliably in practice.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10206
File: src/config.ts:127-128
Timestamp: 2025-08-07T11:20:44.614Z
Learning: gomesalexandre prefers required environment variables without default values in the config file (src/config.ts). They want explicit configuration and fail-fast behavior when environment variables are missing, rather than having fallback defaults.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10461
File: src/plugins/walletConnectToDapps/components/modals/ContractInteractionBreakdown.tsx:0-0
Timestamp: 2025-09-13T16:45:18.813Z
Learning: gomesalexandre prefers aggressively deleting unused/obsolete code files ("ramboing") rather than fixing technical issues in code that won't be used, demonstrating his preference for keeping codebases clean and PR scope focused.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10503
File: .env:56-56
Timestamp: 2025-09-16T13:17:02.938Z
Learning: gomesalexandre prefers to enable feature flags globally in the base .env file when the intent is to activate features everywhere, even when there are known issues like crashes, demonstrating his preference for intentional global feature rollouts over cautious per-environment enablement.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10249
File: src/pages/ThorChainLP/components/ReusableLpStatus/TransactionRow.tsx:447-503
Timestamp: 2025-08-13T17:07:10.763Z
Learning: gomesalexandre prefers relying on TypeScript's type system for validation rather than adding defensive runtime null checks when types are properly defined. They favor a TypeScript-first approach over defensive programming with runtime validations.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10276
File: src/hooks/useActionCenterSubscribers/useThorchainLpDepositActionSubscriber.tsx:61-66
Timestamp: 2025-08-14T17:51:47.556Z
Learning: gomesalexandre is not concerned about structured logging and prefers to keep console.error usage as-is rather than implementing structured logging patterns, even when project guidelines suggest otherwise.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10413
File: src/components/Modals/FiatRamps/fiatRampProviders/onramper/utils.ts:29-55
Timestamp: 2025-09-02T14:26:19.028Z
Learning: gomesalexandre prefers to keep preparatory/reference code simple until it's actively consumed, rather than implementing comprehensive error handling, validation, and robustness improvements upfront. They prefer to add these improvements when the code is actually being used in production.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10276
File: src/pages/ThorChainLP/components/ReusableLpStatus/TransactionRow.tsx:396-402
Timestamp: 2025-08-14T17:55:57.490Z
Learning: gomesalexandre is comfortable with functions/variables that return undefined or true (tri-state) when only the truthy case matters, preferring to rely on JavaScript's truthy/falsy behavior rather than explicitly returning boolean values.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10783
File: src/context/ModalStackProvider/useModalRegistration.ts:30-41
Timestamp: 2025-10-16T11:14:40.657Z
Learning: gomesalexandre prefers to add lint rules (like typescript-eslint/strict-boolean-expressions for truthiness checks on numbers) to catch common issues project-wide rather than relying on code review to catch them.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10206
File: src/lib/moralis.ts:47-85
Timestamp: 2025-08-07T11:22:16.983Z
Learning: gomesalexandre prefers console.error over structured logging for Moralis API integration debugging, as they find it more conventional and prefer to examine XHR requests directly rather than rely on structured logs for troubleshooting.
📚 Learning: 2025-08-08T11:41:36.971Z
Learnt from: NeOMakinG
Repo: shapeshift/web PR: 10234
File: src/components/MultiHopTrade/hooks/useGetTradeQuotes/hooks/useTrackTradeQuotes.ts:88-109
Timestamp: 2025-08-08T11:41:36.971Z
Learning: In MultiHopTrade Confirm flow (src/components/MultiHopTrade/components/TradeConfirm/TradeConfirm.tsx), the Confirm route does not remount; navigating away goes to the swapper input page. Therefore, persistent deduplication across remounts for quote tracking is unnecessary; a ref-based single-mount dedupe is sufficient.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-07-29T15:04:28.083Z
Learnt from: NeOMakinG
Repo: shapeshift/web PR: 10139
File: src/components/MultiHopTrade/components/TradeConfirm/components/ExpandableStepperSteps.tsx:109-115
Timestamp: 2025-07-29T15:04:28.083Z
Learning: In src/components/MultiHopTrade/components/TradeConfirm/components/ExpandableStepperSteps.tsx, the component is used under an umbrella that 100% of the time contains the quote, making the type assertion `activeTradeQuote?.steps[currentHopIndex] as TradeQuoteStep` safe. Adding conditional returns before hooks would violate React's Rules of Hooks.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-08-22T13:03:36.919Z
Learnt from: NeOMakinG
Repo: shapeshift/web PR: 10323
File: src/pages/Explore/Explore.tsx:110-113
Timestamp: 2025-08-22T13:03:36.919Z
Learning: In src/Routes/RoutesCommon.tsx, the /fox-ecosystem route is already properly gated using disable: !getConfig().VITE_FEATURE_RFOX_FOX_ECOSYSTEM_PAGE, which prevents direct navigation when the VITE_FEATURE_RFOX_FOX_ECOSYSTEM_PAGE flag is false.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-08-14T17:54:32.563Z
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10276
File: src/pages/ThorChainLP/components/ReusableLpStatus/ReusableLpStatus.tsx:97-108
Timestamp: 2025-08-14T17:54:32.563Z
Learning: In ReusableLpStatus component (src/pages/ThorChainLP/components/ReusableLpStatus/ReusableLpStatus.tsx), the txAssets dependency is stable from first render because poolAsset, baseAsset, actionSide, and action are all defined first render, making the current txAssetsStatuses initialization pattern safe without needing useEffect synchronization.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-08-10T21:09:25.643Z
Learnt from: premiumjibles
Repo: shapeshift/web PR: 10215
File: src/components/MultiHopTrade/hooks/useGetTradeRateInput.ts:65-67
Timestamp: 2025-08-10T21:09:25.643Z
Learning: In the MultiHopTrade components, `selectInputBuyAsset` and `selectInputSellAsset` selectors from `tradeInputSlice` always return defined values because they have default values in the initial state (BTC for buyAsset, ETH for sellAsset, with fallback to defaultAsset). Null checks for these assets are unnecessary when using these selectors.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-09-04T17:29:59.479Z
Learnt from: NeOMakinG
Repo: shapeshift/web PR: 10380
File: src/components/TradeAssetSearch/hooks/useGetPopularAssetsQuery.tsx:28-33
Timestamp: 2025-09-04T17:29:59.479Z
Learning: In shapeshift/web, the useGetPopularAssetsQuery function in src/components/TradeAssetSearch/hooks/useGetPopularAssetsQuery.tsx intentionally uses primaryAssets[assetId] instead of falling back to assets[assetId]. The design distributes primary assets across chains by iterating through their related assets and adding the primary asset to each related asset's chain. This ensures primary assets appear in all chains where they have related assets, supporting the grouped asset system.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-08-08T11:40:55.734Z
Learnt from: NeOMakinG
Repo: shapeshift/web PR: 10234
File: src/components/MultiHopTrade/components/TradeConfirm/TradeConfirm.tsx:41-41
Timestamp: 2025-08-08T11:40:55.734Z
Learning: In MultiHopTrade confirm flow (src/components/MultiHopTrade/components/TradeConfirm/TradeConfirm.tsx and related hooks), there is only one active trade per flow. Because of this, persistent (module/Redux) dedupe for QuotesReceived in useTrackTradeQuotes is not necessary; the existing ref-based dedupe is acceptable.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-08-11T09:46:41.060Z
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10219
File: src/components/MultiHopTrade/components/TradeInput/TradeInput.tsx:167-172
Timestamp: 2025-08-11T09:46:41.060Z
Learning: In the shapeshift/web repository, the display cache logic for trade quotes (using `selectUserAvailableTradeQuotes` and `selectUserUnavailableTradeQuotes`) is intentionally kept the same between `TradeInput.tsx` and `TradeQuotes.tsx` components. The `hasQuotes` computation in `TradeInput.tsx` uses these display cache selectors by design, matching the pattern used in `TradeQuotes.tsx`.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-10-07T03:44:27.350Z
Learnt from: 0xApotheosis
Repo: shapeshift/web PR: 10760
File: src/components/ManageHiddenAssets/ManageHiddenAssetsList.tsx:78-84
Timestamp: 2025-10-07T03:44:27.350Z
Learning: In the ShapeShift web codebase, the following are stable references and do not need to be included in useCallback/useMemo dependency arrays:
- `navigate` from `useBrowserRouter()` hook
- Modal control objects (like `walletDrawer`) from `useModal()` hook (including their `isOpen`, `close`, and `open` methods)
- These are backed by stable context providers

Applied to files:

  • src/context/AppProvider/AppContext.tsx
📚 Learning: 2025-12-27T16:02:52.792Z
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 11536
File: src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx:252-265
Timestamp: 2025-12-27T16:02:52.792Z
Learning: When reviewing bug fixes, especially in shapeshift/web, prefer minimal changes that fix correctness over introducing broader refactors or quality-of-life improvements (e.g., extracting duplicated logic) unless such improvements are essential to the fix. Apply this guideline broadly to TSX files and related components, not just the specific location, to keep changes focused and maintainable.

Applied to files:

  • src/context/AppProvider/AppContext.tsx
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🔇 Additional comments (3)
src/context/AppProvider/AppContext.tsx (3)

82-90: LGTM - Clean route detection logic.

The hasTradeRouteParams memoization correctly identifies trade/limit routes with asset parameters. The early return for trade routes and the end: true option for exact matching ensure precise route detection, preventing the race condition described in the PR.


157-157: Excellent - This guard is the core race condition fix.

The early return when hasTradeRouteParams is true prevents default trade/limit initialization from racing with the trade component's URL-param-driven initialization. This allows the component to fully control initialization when navigating directly to trade routes with asset parameters.


180-186: LGTM - Complete dependency array.

All effect dependencies are properly included, ensuring the effect correctly re-evaluates when route parameters change. The addition of hasTradeRouteParams is essential for the race condition fix to work correctly across navigation.


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@0xApotheosis 0xApotheosis merged commit 529e048 into develop Jan 6, 2026
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@0xApotheosis 0xApotheosis deleted the fix_trade_pairs_take_2 branch January 6, 2026 03:44
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3 participants