Feat/invariant testing#339
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Jagadeeshftw merged 3 commits intoJagadeeshftw:masterfrom Jan 31, 2026
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- Add INVARIANTS.md documenting 12 critical contract invariants - Implement invariant checker functions in invariants.rs - Integrate invariant checks into existing tests - Add deliberate violation tests to ensure checkers work - Update test.rs with comprehensive invariant coverage Tests include: - Balance consistency checks - Status transition validation - Amount non-negativity enforcement - Refund bounds checking - Deadline validity verification All existing tests pass with new invariant checks. Closes Jagadeeshftw#311
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Summary
Implements comprehensive invariant testing for the bounty escrow smart contract as requested in #311.
Changes Made
Documentation
Implementation
check_balance_consistency()- Verifies contract solvencycheck_status_transition()- Validates state machinecheck_no_double_spend()- Prevents release + refundcheck_amount_non_negativity()- Ensures positive amountscheck_remaining_amount_consistency()- Validates refund accountingcheck_refunded_amount_bounds()- Prevents over-refundingverify_escrow_invariants()- Composite checker for all invariantsTesting
Checklist
Closes #311Related Issues
Closes #311