@zerodev/sdk/accounts/kernel/utils/ep0_7/hashKernelSignatureWrapper.ts

A utility library for working with ERC-4337

import type { Hex } from "viem"
import { encodeAbiParameters, keccak256, stringToHex } from "viem"

export const hashKernelMessageHashWrapper = (messageHash: Hex) => {
    return keccak256(
        encodeAbiParameters(
            [{ type: "bytes32" }, { type: "bytes32" }],
            [keccak256(stringToHex("Kernel(bytes32 hash)")), messageHash]
        )
    )
}