merge, execmoduletester: add FakeMerge engine and Prague pre-deploys …#19525
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merge, execmoduletester: add FakeMerge engine and Prague pre-deploys …#19525
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…for tests Add FakeMerge consensus engine that wraps Merge with a fake PoW scheme, mirroring the existing FakeEthash pattern. Use it in ExecModuleTester when TerminalTotalDifficultyPassed is set, and deploy Prague system contracts (EIP-7002, EIP-7251) so FinalizeAndAssemble succeeds. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
yperbasis
approved these changes
Mar 2, 2026
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…for tests
Add FakeMerge consensus engine that wraps Merge with a fake PoW scheme, mirroring the existing FakeEthash pattern. Use it in ExecModuleTester when TerminalTotalDifficultyPassed is set, and deploy Prague system contracts (EIP-7002, EIP-7251) so FinalizeAndAssemble succeeds.
This change is intended to make sure that tests which generate chains produce blocks which a finalized according to the forks specified in the test config. This is not too big a deal for pre BAL manual testing but with agents and the need to generate bals - which track system contract touches under some circumstances - this change is more important.