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Introduce a reusable framework for hardfork lifecycle E2E testing: - system_contracts.py: Per-hardfork contract address registry - hardfork_framework.py: Generic 6-phase test runner with HardforkTestConfig: Phase 1: Pre-hardfork cluster liveness validation Phase 2: Pre-hardfork contract snapshot + light tx pressure Phase 3: Hardfork transition (wait for block, verify chain alive) Phase 4: Post-hardfork bytecode verification Phase 5: Epoch change stability verification Phase 6: Node restart & replay verification - test_gamma.py: Gamma test using the framework (config + one-liner) - hardfork_utils.py: Refactored to import from system_contracts.py Adding a new hardfork E2E test only requires: 1. Register contracts in system_contracts.py 2. Create test_<name>.py with HardforkTestConfig 3. Call run_hardfork_lifecycle_test(cluster, config)
khalidbalosh211-ux
approved these changes
Mar 21, 2026
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