feat(evm): EIP-4758 deactivate SELFDESTRUCT (SENDALL) - #12231
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When IsEip4758Enabled, SELFDESTRUCT never destroys the executing account — not even when it was created in the same transaction, which EIP-6780 still allowed — and only moves the whole balance to the inheritor. Self-inheriting SENDALL is a no-op (no burn, no log), matching the existing EIP-6780 surviving-account behavior. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Changes
IsEip4758Enabledspec flag +eip4758TransitionTimestampchainspec parameter (full plumbing)InstructionSelfDestruct: when active, the executing account is never marked for destruction — including the created-in-same-transaction case that EIP-6780 still destroys — so the opcode degenerates to SENDALLSpec: https://eips.ethereum.org/EIPS/eip-4758 (Hegotá / EIP-8081 candidate; Stagnant but listed as Proposed for Inclusion in EIP-8081). Not yet activated in any fork file — activation lands with the Hegotá fork wiring (#12226).
Part of the Hegotá (EIP-8081) PR series.
Types of changes
What types of changes does your code introduce?
Testing
Requires testing
If yes, did you write tests?
Notes on testing
Eip4758Tests: same-transaction creation survives with code intact and full balance sent; later-transaction SENDALL; self-inheriting SENDALL does not burn. ExistingEip6780TestsandStorageAndSelfDestructTestspass unchanged (29 total).Documentation
Requires documentation update
Requires explanation in Release Notes
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