import type { SmartAccountSigner } from "@alchemy/aa-core"; import type { Address, Hex } from "viem"; export class MockSigner implements SmartAccountSigner { getAddress(): Promise
{ return Promise.resolve("0x48D4d3536cDe7A257087206870c6B6E76e3D4ff4"); } signMessage(msg: Uint8Array | Hex | string): Promise