@zerodev/sdk/actions/account-client/getKernelV3ModuleCurrentNonce.ts

A utility library for working with ERC-4337

import type { Chain, Client, Transport } from "viem"
import type { SmartAccount } from "viem/account-abstraction"
import { readContract } from "viem/actions"
import { getAction, parseAccount } from "viem/utils"
import { KernelV3AccountAbi } from "../../accounts/kernel/abi/kernel_v_3_0_0/KernelAccountAbi.js"
import { AccountNotFoundError } from "../../errors/index.js"

export async function getKernelV3ModuleCurrentNonce<
    TTransport extends Transport = Transport,
    TChain extends Chain | undefined = Chain | undefined,
    TAccount extends SmartAccount | undefined = SmartAccount | undefined
>(client: Client<TTransport, TChain, TAccount>): Promise<number> {
    const account_ = client.account
    if (!account_)
        throw new AccountNotFoundError({
            docsPath: "/docs/actions/wallet/sendTransaction"
        })

    const account = parseAccount(account_) as SmartAccount

    try {
        const nonce = await getAction(
            client,
            readContract,
            "readContract"
        )({
            abi: KernelV3AccountAbi,
            address: account.address,
            functionName: "currentNonce",
            args: []
        })
        return nonce
    } catch (error) {
        return 1
    }
}