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feat: implement EmptyRelayer with is_noop() pattern#305

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feat: implement EmptyRelayer with is_noop() pattern#305
Abd-Standard wants to merge 1 commit into
StellarFlow-Network:mainfrom
Abd-Standard:main

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@Abd-Standard
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Closes #257

  • Replace undefined/null relayer returns with strictly typed EmptyRelayer
  • Implement is_noop() method for polymorphic relayer checks
  • Create relayer.types.ts with ActiveRelayer interface and EmptyRelayer class
  • Update Express Request type to always require relayer (never optional)
  • Enhance relayerMiddleware to ensure req.relayer is always initialized
  • Update middleware checks to use is_noop() instead of null checks
  • Fix signatureVerificationMiddleware and latencyGuardMiddleware
  • Update relayerAuth tests to verify EmptyRelayer behavior
  • Eliminate architectural noise from null/undefined checks downstream

Implements pure OOP semantics while maintaining backward compatibility.

- Replace undefined/null relayer returns with strictly typed EmptyRelayer
- Implement is_noop() method for polymorphic relayer checks
- Create relayer.types.ts with ActiveRelayer interface and EmptyRelayer class
- Update Express Request type to always require relayer (never optional)
- Enhance relayerMiddleware to ensure req.relayer is always initialized
- Update middleware checks to use is_noop() instead of null checks
- Fix signatureVerificationMiddleware and latencyGuardMiddleware
- Update relayerAuth tests to verify EmptyRelayer behavior
- Eliminate architectural noise from null/undefined checks downstream

Implements pure OOP semantics while maintaining backward compatibility.
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drips-wave Bot commented May 28, 2026

@Abd-Standard Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

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🎭 Logic | Semantically Correct Null-Object Pattern

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