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mev-beta/pkg/validation/validator.go
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feat(validation): implement validation pipeline with 100% test coverage
Implemented complete validation pipeline with comprehensive tests:

Validator (pkg/validation/validator.go):
- Configurable validation rules (min/max amounts, blacklists, protocol whitelist)
- ValidateSwapEvent() with multi-layer validation
- ValidatePoolInfo() with pool-specific checks
- FilterValid() for batch validation
- GetValidationRules() for rule inspection
- Supports zero address/amount rejection
- Amount threshold validation (min/max)
- Protocol whitelist enforcement
- Pool/token blacklist enforcement

Validation Rules (pkg/validation/interface.go):
- DefaultValidationRules() with sensible defaults
- Configurable thresholds and blacklists
- Protocol-specific validation support
- Decimal precision validation flag
- Max slippage configuration (basis points)

Tests (pkg/validation/validator_test.go):
- TestNewValidator - validator creation
- TestDefaultValidationRules - default configuration
- TestValidator_ValidateSwapEvent - comprehensive scenarios
  * Valid events
  * Nil events
  * Below minimum amount
  * Above maximum amount
  * Protocol not allowed
  * Blacklisted pool
  * Blacklisted token
  * Zero amounts
- TestValidator_ValidatePoolInfo - pool validation scenarios
  * Valid pools
  * Nil pools
  * Protocol restrictions
  * Blacklists
- TestValidator_FilterValid - batch filtering
  * All valid
  * Mixed valid/invalid
  * All invalid
  * Empty slices
- TestValidator_GetValidationRules - rule retrieval
- Test_isZero_Validation - helper function
- 100% code coverage

Features:
- Multi-layer validation (built-in + rule-based)
- Flexible configuration
- Defensive programming
- Comprehensive error messages
- Batch filtering support

Task: P4-001 through P4-003 Validation Pipeline  Complete
Coverage: 100% (enforced)
Next: UniswapV2 parser demonstration

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-10 14:50:35 +01:00

3.6 KiB