fix(#54): Add security hardening and fuzz tests - #99
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- Checked arithmetic on all calculations (checked_mul, checked_add, checked_div) - Re-entrancy guard for fee collection functions - CEI pattern: state mutations before external calls - 15 fuzz tests for edge cases (zero, max u64, boundaries, abuse detection) - Security review checklist documented in comments Closes Epondia#54
jobbykings
approved these changes
Jun 22, 2026
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Closes
Closes #54
Changes
All Definition of Done requirements met.