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BoogerWooger avatar BoogerWooger commented on July 23, 2024 1

Is it:

normal EVM:

  • "fails iside the CALL(stack uderflow) and then executes EXTCODESIZE for 300 gas"

EVMOne (with basic block revert optimization):

  • "fails iside the CALL(stack uderflow) and then executes EXTCODESIZE for 2700 gas"

?

from evmone.

ioterw avatar ioterw commented on July 23, 2024

@BoogerWooger right 👍

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chfast avatar chfast commented on July 23, 2024

From the EIP-2929: Gas cost increases for state access opcodes:

When executing a transaction, maintain a set accessed_addresses: Set[Address] and accessed_storage_keys: Set[Tuple[Address, Bytes32]] .

The sets are transaction-context-wide, implemented identically to other transaction-scoped constructs such as the self-destruct-list and global refund counter. In particular, if a scope reverts, the access lists should be in the state they were in before that scope was entered.

In other words, your understanding that the EXTCODESIZE to address next after the reverted call will be cheaper seems to be wrong. Can you provide the bytecode and a trace of execution of your example?

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