EIP-7708: ETH transfer logs#2873
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Emit an EIP-7708 transfer LOG3 at every nonzero-value transfer to a different account. All four categories (tx-level, CALL, CREATE endowment, SELFDESTRUCT) route through #transferFunds, so the log is appended in its single balance- moving rule (ACCTFROM =/= ACCTTO), gated on the new Ghaseip7708 flag (true at AMSTERDAM) and VALUE =/= 0. The entry matches the EELS reference exactly: address = SYSTEM_ADDRESS (0xff..fe), topics = (keccak256 "Transfer(address,address,uint256)", from, to), data = 32-byte big-endian value. No new gas charge (EIP-2780 already prices Gtransferlog). Reverts are handled by the existing #pushWorldState/#popWorldState substate snapshot (the snapshot precedes the transfer), so failed CALL/CREATE frames drop the log. Unmask 34 of the 37 eip7708 fixtures. The remaining amsterdam fixtures are blocked by pre-existing non-7708 gaps (CREATE state-gas #8, delegation/typed-tx Ctxfloor #6) and the transition fixture by the single-schedule harness limit; verified the transfer logs themselves are correct in those cases. osaka/prague sweep unchanged (5 fail / 5122 pass); amsterdam-native suites show only the 10 known pre-existing gap failures. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Implements EIP-7708: ETH balance changes emit synthetic logs (CALL-value transfers, SELFDESTRUCT sweeps, fee payments).
Changes:
evm.md: transfer-log emission in#transferFunds;schedule.md:Ghaseip7708. (TheGtransferlogintrinsic pricing will be implemented in a follow-up PR )