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fix: swaps view not updating when scanning a new QR without navigatin…#3862

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kaloudis merged 1 commit intoZeusLN:masterfrom
shubhamkmr04:fix/swaps-qr-rescan-stale-params
Mar 19, 2026
Merged

fix: swaps view not updating when scanning a new QR without navigatin…#3862
kaloudis merged 1 commit intoZeusLN:masterfrom
shubhamkmr04:fix/swaps-qr-rescan-stale-params

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@shubhamkmr04
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Relates to issue: #3801

This pull request is categorized as a:

  • New feature
  • Bug fix
  • Code refactor
  • Configuration change
  • Locales update
  • Quality assurance
  • Other

Checklist

  • I’ve run yarn run tsc and made sure my code compiles correctly
  • I’ve run yarn run lint and made sure my code didn’t contain any problematic patterns
  • I’ve run yarn run prettier and made sure my code is formatted correctly
  • I’ve run yarn run test and made sure all of the tests pass

Testing

If you modified or added a utility file, did you add new unit tests?

  • No, I’m a fool
  • Yes
  • N/A

I have tested this PR on the following platforms (please specify OS version and phone model/VM):

  • Android
  • iOS

I have tested this PR with the following types of nodes (please specify node version and API version where appropriate):

  • Embedded LND
  • LND (REST)
  • LND (Lightning Node Connect)
  • Core Lightning (CLNRest)
  • Nostr Wallet Connect
  • LndHub

Locales

  • I’ve added new locale text that requires translations
  • I’m aware that new translations should be made on the ZEUS Transfix page and not directly to this repo

Third Party Dependencies and Packages

  • Contributors will need to run yarn after this PR is merged in
  • 3rd party dependencies have been modified:
    • verify that package.json and yarn.lock have been properly updated
    • verify that dependencies are installed for both iOS and Android platforms

Other:

  • Changes were made that require an update to the README
  • Changes were made that require an update to onboarding

@gemini-code-assist
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Summary of Changes

Hello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a critical bug in the swaps view that prevented it from refreshing its state and displaying updated information after a new QR code was scanned. The fix ensures that the component correctly recognizes changes in its route parameters and resets its internal processing flag, thereby triggering the necessary updates to reflect the new QR data.

Highlights

  • Bug Fix: Resolved an issue where the swaps view did not update correctly when a new QR code was scanned without a full navigation, leading to stale data being displayed.
  • Component Lifecycle Management: Implemented logic within the componentDidUpdate lifecycle method of the Swap component to detect changes in route parameters and reset the paramsProcessed state, ensuring the view re-renders with the latest data.
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Code Review

This pull request addresses a bug where the swaps view failed to update after scanning a new QR code. The fix involves checking for changes in route.params within componentDidUpdate and, if changes are detected, resetting a state flag to allow the new parameters to be processed. The change is logical and correctly solves the reported issue. The unused _ parameter in componentDidUpdate has also been appropriately renamed to prevProps as it is now utilized in the new logic. The implementation is sound and I have no further suggestions for improvement.

@kaloudis kaloudis requested a review from ajaysehwal March 18, 2026 19:49
@kaloudis kaloudis added Bug Something isn't working Camera Issues with the camera Swaps On-chain <-> LN labels Mar 18, 2026
@kaloudis kaloudis added this to the v0.13.0 milestone Mar 18, 2026
@kaloudis kaloudis linked an issue Mar 19, 2026 that may be closed by this pull request
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tACK

@kaloudis kaloudis merged commit ad1f3ff into ZeusLN:master Mar 19, 2026
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Bug Something isn't working Camera Issues with the camera Swaps On-chain <-> LN

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Swaps: invoice values are not updated properly after second scan

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