Paymaster gas optimization#6614

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gonzaotc wants to merge 6 commits into

OpenZeppelin:masterfrom

gonzaotc:paymaster-gas-optimization-council

Commits on Jul 17, 2026

gas: GAS-H-01 PaymasterSigner: parse both paymaster gas limits with one calldata load (-712 gas/op, -20.5k deploy)

gonzaotc
and
claude
committed
gas: GAS-H-02 PaymasterERC20: skip the mulDiv 512-bit path when the product fits one word (-966 gas/op base, -1,932 guaranteed, +17.1k deploy)

gonzaotc
and
claude
committed
gas: GAS-M-01 PaymasterSigner: one-window timestamp decode in _decodePaymasterUserOp (-199 gas/op, +0.9k deploy)

gonzaotc
and
claude
committed
gas: GAS-L-01 PaymasterERC20: unchecked refund subtraction under the documented EntryPoint invariant (-72 gas/postOp)

gonzaotc
and
claude
committed
gas: GAS-L-02 PaymasterERC721Owner: branchless validation data via SafeCast.toUint (-12 gas/op, -3.4k deploy)

gonzaotc
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claude
committed
docs: changeset for paymaster gas optimizations

gonzaotc
and
claude
committed