fix: read fresh swap state in trade execution event handlers #11536
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Fix stale closure bug where swapsById captured at render time would spread outdated swap status (Idle) when updating actualBuyAmountCryptoBaseUnit, causing the UI to incorrectly show "Awaiting Swap" during NEAR Intents swaps. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
📝 WalkthroughWalkthroughThis change replaces closure-captured swap state with fresh reads from Changes
Sequence Diagram(s)(omitted — change is a targeted bugfix within a single hook; no new multi-component control flow requiring a diagram) Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Possibly related PRs
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Actionable comments posted: 1
🧹 Nitpick comments (2)
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx (2)
189-189: Consider applying the fresh state pattern consistently across all handlers.The
SellTxHashhandler (line 189) still uses closure-capturedactiveSwapIdandswapsById, while theStatusandSuccesshandlers now read fresh state. While the current scope is intentional (focusing onactualBuyAmountCryptoBaseUnitupdates), applying the same pattern here would ensure consistency and prevent potential stale state issues with toast notifications.🔎 Suggested change for consistency
execution.on(TradeExecutionEvent.SellTxHash, ({ sellTxHash }) => { txHashReceived = true dispatch( tradeQuoteSlice.actions.setSwapSellTxHash({ hopIndex, sellTxHash, id: confirmedTradeId }), ) dispatch(tradeInput.actions.setSellAmountCryptoPrecision('0')) - const swap = activeSwapId ? swapsById[activeSwapId] : undefined + const freshActiveSwapId = swapSlice.selectors.selectActiveSwapId(store.getState()) + const swap = freshActiveSwapId ? swapSlice.selectors.selectSwapsById(store.getState())[freshActiveSwapId] : undefined if (swap) {
254-256: Optional: Optimizestore.getState()calls.Both handlers call
store.getState()twice per update. WhilegetState()is fast, you could optimize by calling it once and passing the state to both selectors. This becomes even cleaner if you extract the duplicated logic to a helper function.🔎 Optimization example
const updateSwapWithActualBuyAmount = (actualBuyAmountCryptoBaseUnit: string) => { + const state = store.getState() - const freshActiveSwapId = swapSlice.selectors.selectActiveSwapId(store.getState()) + const freshActiveSwapId = swapSlice.selectors.selectActiveSwapId(state) if (freshActiveSwapId) { - const currentSwap = swapSlice.selectors.selectSwapsById(store.getState())[freshActiveSwapId] + const currentSwap = swapSlice.selectors.selectSwapsById(state)[freshActiveSwapId] if (currentSwap) {Also applies to: 280-282
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📒 Files selected for processing (1)
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
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📓 Path-based instructions (6)
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**/*.{ts,tsx}: UseResult<T, E>pattern for error handling in swappers and APIs; ALWAYS useOk()andErr()from@sniptt/monads; AVOID throwing within swapper API implementations
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src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
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src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
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Files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
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📄 CodeRabbit inference engine (.cursor/rules/react-best-practices.mdc)
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Files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
🧠 Learnings (14)
📓 Common learnings
Learnt from: CR
Repo: shapeshift/web PR: 0
File: .cursor/rules/swapper.mdc:0-0
Timestamp: 2025-11-24T21:20:57.909Z
Learning: Applies to packages/swapper/src/swappers/**/*.ts : Avoid side effects in swap logic; ensure swap methods are deterministic and stateless
Learnt from: CR
Repo: shapeshift/web PR: 0
File: .cursor/rules/error-handling.mdc:0-0
Timestamp: 2025-11-24T21:20:17.804Z
Learning: Applies to **/swapper{s,}/**/*.{ts,tsx} : ALWAYS use `makeSwapErrorRight` for swapper errors with `TradeQuoteError` enum for error codes and provide detailed error information
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 11016
File: packages/swapper/src/swappers/NearIntentsSwapper/swapperApi/getTradeQuote.ts:109-145
Timestamp: 2025-11-12T12:18:00.863Z
Learning: NEAR Intents swapper: The NEAR 1Click API does not provide gas limit estimation logic like other swappers (e.g., magic gasLimit fields). For ERC20 token swaps in getTradeQuote, accurate fee estimation requires token approval and sufficient balance; without these prerequisites, fees may display as 0 or use inaccurate native transfer estimates. This is a known limitation of the NEAR Intents integration.
Learnt from: NeOMakinG
Repo: shapeshift/web PR: 10171
File: src/components/MultiHopTrade/components/TradeConfirm/components/ExpandedStepperSteps.tsx:458-458
Timestamp: 2025-08-04T16:02:27.360Z
Learning: In multi-hop swap transactions, last hop sell transactions might not be detected by the swapper (unlike buy transactions which are always known immediately). The conditional stepSource logic for last hop buy transactions (`isLastHopSellTxSeen ? stepSource : undefined`) serves as defensive programming for future multi-hop support with intermediate chains, even though multi-hop functionality is not currently supported in production.
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.
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.
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10985
File: packages/swapper/src/swappers/PortalsSwapper/getPortalsTradeQuote/getPortalsTradeQuote.ts:0-0
Timestamp: 2025-11-03T22:31:30.786Z
Learning: In packages/swapper/src/swappers/PortalsSwapper, the rate and quote files intentionally use different approaches for calculating buyAmountBeforeSlippageCryptoBaseUnit: getPortalsTradeRate.tsx uses minOutputAmount / (1 - buffer) for conservative estimates, while getPortalsTradeQuote.ts uses outputAmount / (1 - buffer) for final quote display. This difference is validated by on-chain simulation testing and is intentional.
Learnt from: premiumjibles
Repo: shapeshift/web PR: 10154
File: src/state/apis/swapper/helpers/swapperApiHelpers.ts:57-60
Timestamp: 2025-07-31T03:51:48.479Z
Learning: In src/state/apis/swapper/helpers/swapperApiHelpers.ts, the getState parameter in processQuoteResultWithRatios uses `() => unknown` type instead of `() => ReduxState` to avoid type compatibility issues elsewhere in the codebase.
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: 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: 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: 2025-08-08T11:40:55.734Z
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/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.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/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 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/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 Learning: 2025-11-24T21:20:57.909Z
Learnt from: CR
Repo: shapeshift/web PR: 0
File: .cursor/rules/swapper.mdc:0-0
Timestamp: 2025-11-24T21:20:57.909Z
Learning: Applies to packages/swapper/src/swappers/**/*.ts : Avoid side effects in swap logic; ensure swap methods are deterministic and stateless
Applied to files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 Learning: 2025-11-24T21:20:17.804Z
Learnt from: CR
Repo: shapeshift/web PR: 0
File: .cursor/rules/error-handling.mdc:0-0
Timestamp: 2025-11-24T21:20:17.804Z
Learning: Applies to **/swapper{s,}/**/*.{ts,tsx} : ALWAYS use `makeSwapErrorRight` for swapper errors with `TradeQuoteError` enum for error codes and provide detailed error information
Applied to files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 Learning: 2025-11-24T21:20:57.909Z
Learnt from: CR
Repo: shapeshift/web PR: 0
File: .cursor/rules/swapper.mdc:0-0
Timestamp: 2025-11-24T21:20:57.909Z
Learning: Applies to packages/swapper/src/swappers/*/*.ts : Reuse executeEvmTransaction utility for EVM-based swappers instead of implementing custom transaction execution
Applied to files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 Learning: 2025-11-03T22:31:30.786Z
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10985
File: packages/swapper/src/swappers/PortalsSwapper/getPortalsTradeQuote/getPortalsTradeQuote.ts:0-0
Timestamp: 2025-11-03T22:31:30.786Z
Learning: In packages/swapper/src/swappers/PortalsSwapper, the rate and quote files intentionally use different approaches for calculating buyAmountBeforeSlippageCryptoBaseUnit: getPortalsTradeRate.tsx uses minOutputAmount / (1 - buffer) for conservative estimates, while getPortalsTradeQuote.ts uses outputAmount / (1 - buffer) for final quote display. This difference is validated by on-chain simulation testing and is intentional.
Applied to files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.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/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 Learning: 2025-10-21T17:11:18.087Z
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 10871
File: src/components/Modals/Send/hooks/useSendDetails/useSendDetails.tsx:426-428
Timestamp: 2025-10-21T17:11:18.087Z
Learning: In src/components/Modals/Send/hooks/useSendDetails/useSendDetails.tsx, within the handleInputChange function, use .toFixed() without arguments (not .toString()) when converting BigNumber amounts for input field synchronization. This avoids exponential notation in the input while preserving precision for presentational components like <Amount.Crypto /> and <Amount.Fiat /> to format appropriately.
Applied to files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 Learning: 2025-12-09T21:06:15.748Z
Learnt from: gomesalexandre
Repo: shapeshift/web PR: 11335
File: packages/swapper/src/swappers/CetusSwapper/endpoints.ts:66-68
Timestamp: 2025-12-09T21:06:15.748Z
Learning: In packages/swapper/src/swappers/CetusSwapper/endpoints.ts, gomesalexandre is comfortable with throwing errors directly in getUnsignedSuiTransaction and similar transaction preparation methods, rather than using the Result pattern. The Result pattern with makeSwapErrorRight/TradeQuoteError is primarily for the main swapper API methods (getTradeQuote, getTradeRate), while helper/preparation methods can use throws.
Applied to files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.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/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 Learning: 2025-11-24T21:20:04.979Z
Learnt from: CR
Repo: shapeshift/web PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-11-24T21:20:04.979Z
Learning: Applies to **/*.{ts,tsx} : Use `useAppSelector` for Redux state
Applied to files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
📚 Learning: 2025-08-04T16:02:27.360Z
Learnt from: NeOMakinG
Repo: shapeshift/web PR: 10171
File: src/components/MultiHopTrade/components/TradeConfirm/components/ExpandedStepperSteps.tsx:458-458
Timestamp: 2025-08-04T16:02:27.360Z
Learning: In multi-hop swap transactions, last hop sell transactions might not be detected by the swapper (unlike buy transactions which are always known immediately). The conditional stepSource logic for last hop buy transactions (`isLastHopSellTxSeen ? stepSource : undefined`) serves as defensive programming for future multi-hop support with intermediate chains, even though multi-hop functionality is not currently supported in production.
Applied to files:
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
🧬 Code graph analysis (1)
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx (2)
src/state/slices/swapSlice/swapSlice.ts (1)
swapSlice(13-37)src/state/store.ts (1)
store(138-138)
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🔇 Additional comments (1)
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx (1)
57-57: Import addition is correct.The
storeimport is necessary to access fresh Redux state in event handler closures, fixing the stale closure bug described in the PR objectives.
src/components/MultiHopTrade/components/TradeConfirm/hooks/useTradeExecution.tsx
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Description
Fixes stale closures resulting in weird reverts of swaps, which currently happens when a swap is pending, but has amountOut (which is weird, but can happen for e.g NEAR Intents, where there will be a few runs of status calls where swap is PROCESSING (pending) but we do have an amountOut in response. This is a symptom of a bigger issue root cause, which this fixes.
Issue (if applicable)
Risk
Low
All swappers - this is a fix in the trade execution event handlers that affects how swap state is read during status polling.
Testing
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https://jam.dev/c/77c0d6ee-4a64-48be-bafb-dbb24d4c38b2
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