Fix: Implement Claim state machine with transitionTo helper (#200)#243
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precious-akpan wants to merge 6 commits into
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Fix: Implement Claim state machine with transitionTo helper (#200)#243precious-akpan wants to merge 6 commits into
precious-akpan wants to merge 6 commits into
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- Add ClaimState enum (PENDING, RESOLVED, FINALIZED) - Add ClaimTransitionData interface for transition parameters - Implement getCurrentState() method to determine current state - Implement transitionTo() method with validation logic - Enforce valid state transitions and prevent invalid ones - Add comprehensive documentation for state machine rules Valid transitions: - PENDING → RESOLVED (requires verdict + confidence) - PENDING → FINALIZED (requires verdict + confidence) - RESOLVED → FINALIZED (optional verdict/confidence update) Invalid transitions: - FINALIZED → * (immutable) - * → PENDING (cannot unresolve) Refs: DigiNodes#200
- Add tests for getCurrentState() method - Add tests for all valid transitions (PENDING→RESOLVED, PENDING→FINALIZED, RESOLVED→FINALIZED) - Add tests for invalid transitions (from FINALIZED, to PENDING) - Add tests for missing required data validation - Add tests for edge cases (false verdict, 0/1 confidence) - Add tests for state consistency across multiple transitions - Total: 35+ test cases covering all state machine scenarios Refs: DigiNodes#200
- Import ClaimState enum - Update resolveClaim() to use transitionTo(RESOLVED) - Update finalizeClaim() to use transitionTo(FINALIZED) - Add validation comments for clarity - Remove direct field assignments - Maintain audit trail and cache invalidation logic This ensures all state transitions in ClaimsService are validated and prevents invalid state changes. Refs: DigiNodes#200
- Import ClaimState enum - Update resolveClaim() to use transitionTo(FINALIZED) - Replace direct field assignments with validated transition - Add explanatory comment for PENDING→FINALIZED transition - Maintain cache invalidation logic This ensures claim resolution through voting uses validated state transitions. Refs: DigiNodes#200
- Import ClaimState enum - Update computeScores() to use transitionTo(FINALIZED) - Replace direct field assignments with validated transition - Improve verdict parsing logic for clarity - Handle low-confidence case separately (no state change) - Maintain cache invalidation logic This ensures automated claim resolution via scheduled jobs uses validated state transitions and prevents race conditions. Refs: DigiNodes#200
Add comprehensive documentation for Claim state machine: - State definitions and transition rules - Usage examples and error handling - Service implementation details - Testing information - Migration guide from old to new approach Refs: DigiNodes#200
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Summary
Fixes #200 - Implements a validated state machine for Claim entity to prevent invalid state transitions.
Changes Made
Core Implementation
Service Updates
Documentation
Valid Transitions
Testing
Commits (Atomic)
Acceptance Criteria
Security / Integrity
Documentation