add getBatchPosters v3.1 unit test

Author: fionnachan

src/getBatchPosters.unit.test.ts

@@ -7,7 +7,7 @@ import {
   encodeFunctionData,
   http,
 } from 'viem';
-import { arbitrum, arbitrumSepolia } from 'viem/chains';
+import { arbitrum, arbitrumSepolia, sepolia } from 'viem/chains';
 import { it, expect, vi, describe } from 'vitest';
 
 import { gnosisSafeL2ABI } from './contracts/GnosisSafeL2';
@@ -26,6 +26,11 @@ const arbitrumSepoliaClient = createPublicClient({
   transport: http(),
 });
 
+const sepoliaClient = createPublicClient({
+  chain: sepolia,
+  transport: http('https://sepolia.gateway.tenderly.co'),
+});
+
 function mockLog(transactionHash: string) {
   return {
     address: '0x193e2887031c148ab54f5e856ea51ae521661200',
@@ -186,6 +191,16 @@ it('getBatchPosters returns batch posters for a chain created with RollupCreator
   expect(isAccurate).toBeTruthy();
 });
 
+// https://sepolia.etherscan.io/tx/0xd79a80b7300df1bcb14e2e3ea83521d1ae37e5f171a787fb0f5377ea7f5003ad
+it('getBatchPosters returns batch posters for a chain created with RollupCreator v3.1', async () => {
+  const { isAccurate, batchPosters } = await getBatchPosters(sepoliaClient, {
+    rollup: '0x5D65e18b873dD978EeE4704BC6033436aA253936',
+    sequencerInbox: '0x3fB778EC3e6126aF1d956A7812Eb0a28B9d25017',
+  });
+  expect(batchPosters).toEqual(['0x05c82FC99a41e417Ea6ED14e1D3f3b01BBFfba5A']);
+  expect(isAccurate).toBeTruthy();
+});
+
 describe('createRollupFunctionSelector', () => {
   it('getBatchPosters returns all batch posters with isAccurate flag set to true', async () => {
     const mockTransport = () =>
@@ -489,7 +504,7 @@ describe('safeL2FunctionSelector', () => {
 });
 
 describe('Detect batch posters added or removed multiple times', () => {
-  it('when disabling the same batch poster multiple time', async () => {
+  it('when disabling the same batch poster multiple times', async () => {
     const batchPoster = '0xC0b97e2998edB3Bf5c6369e7f7eFfb49c36fA962';
     const mockTransport = () =>
       createTransport({
@@ -527,7 +542,7 @@ describe('Detect batch posters added or removed multiple times', () => {
     expect(batchPosters).toEqual([]);
     expect(isAccurate).toBeTruthy();
   });
-  it('when enabling the same batch posters multiple time', async () => {
+  it('when enabling the same batch posters multiple times', async () => {
     const batchPoster = '0xC0b97e2998edB3Bf5c6369e7f7eFfb49c36fA962';
     const mockTransport = () =>
       createTransport({