EIP-7761 - HASCODE (formerly ISCONTRACT) instruction

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Discussion topic for EIP-7761

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The EIP should name the specific EIP that disables EXTCODESIZE rather than the meta EIP for EOF.

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That would be EIP-3540, and it is already listed.

The Changes to Execution Sematics section of EIP-3540 is where EXTCODE* is banned in EOF.

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It seems much easier to just add back EXTCODESIZE. I haven’t yet found the rationale for removing the extcode opcodes.