Skip to content

verifyEIP6492Signature params type incompatible with OP stack chains #181

@freeatnet

Description

@freeatnet

Steps to reproduce:

  1. Set up a TypeScript project with the latest @zerodev/sdk (just the package, no client-side required).
  2. Write code to verify a signature with verifyEIP6492Signature (example below).

Expected: code should compile.
Observed: TypeScript error when client is an OP stack chain client.

Package versions:

  • @zerodev/sdk: 5.3.10
  • viem: 2.17.0 (due to permissionless requiring viem < 2.18.0)

Triage:
It appears that viem expects a generic to be used to type the PublicClient instance correctly.

Repro code

import { verifyEIP6492Signature } from "@zerodev/sdk";
import { createPublicClient, http } from "viem";
import { arbitrum, base, mainnet, optimism } from "viem/chains";

const mainnetPublicClient = createPublicClient({
  chain: mainnet,
  transport: http(),
});

const arbPublicClient = createPublicClient({
  chain: arbitrum,
  transport: http(),
});

const optPublicClient = createPublicClient({
  chain: optimism,
  transport: http(),
});

const basePublicClient = createPublicClient({
  chain: base,
  transport: http(),
});

const SIGNATURE_PARAMS = {
  signer: "0x3535353535353535353535353535353535353535",
  hash: "0x35353535353535353535353535353535353535353535353535353535353535353535353535353535",
  signature:
    "0x35353535353535353535353535353535353535353535353535353535353535353535353535353535",
} as const;

void verifyEIP6492Signature({
  ...SIGNATURE_PARAMS,
  client: mainnetPublicClient, // OK
});

void verifyEIP6492Signature({
  ...SIGNATURE_PARAMS,
  client: arbPublicClient, // OK
});

void verifyEIP6492Signature({
  ...SIGNATURE_PARAMS,
  client: optPublicClient, // ERR: not assignable to type
});

void verifyEIP6492Signature({
  ...SIGNATURE_PARAMS,
  client: basePublicClient, // ERR: not assignable to type
});

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions