From 8bd383594e2b5f075a219f6c12ba6eb96717bb9c Mon Sep 17 00:00:00 2001
From: fredlacs <32464905+fredlacs@users.noreply.github.com>
Date: Fri, 18 Aug 2023 05:04:35 -0300
Subject: [PATCH] feat: add contract verification exception for L2 precompiles
 (#19)

---
 checks/check-targets-verified-etherscan.ts | 2 ++
 utils/constants.ts                         | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/checks/check-targets-verified-etherscan.ts b/checks/check-targets-verified-etherscan.ts
index e7e94079a70..93f8664b5c5 100644
--- a/checks/check-targets-verified-etherscan.ts
+++ b/checks/check-targets-verified-etherscan.ts
@@ -2,6 +2,7 @@ import { JsonRpcProvider } from '@ethersproject/providers'
 import { bullet, toAddressLink, getExplorer } from '../presentation/report'
 import { ProposalCheck, TenderlySimulation } from '../types'
 import { getProvider } from '../utils/utils'
+import { ARBITRUM_PRECOMPILES } from '../utils/constants'
 
 /**
  * Check all targets with code are verified on Etherscan
@@ -40,6 +41,7 @@ async function checkVerificationStatuses(
     const address = toAddressLink(addr, false, getExplorer(sim.simulation.network_id))
     if (status === 'eoa') info.push(bullet(`${address}: EOA (verification not applicable)`))
     else if (status === 'verified') info.push(bullet(`${address}: Contract (verified)`))
+    else if (ARBITRUM_PRECOMPILES.has(addr)) info.push(`${address}: Arbitrum Precompile (verification not applicable)`)
     else info.push(bullet(`${address}: Contract (not verified)`))
   }
   return info
diff --git a/utils/constants.ts b/utils/constants.ts
index 47fd1344367..efa959c7b16 100644
--- a/utils/constants.ts
+++ b/utils/constants.ts
@@ -33,3 +33,7 @@ export const SIM_NAME = process.env.SIM_NAME ? process.env.SIM_NAME : null
 export const DAO_NAME = process.env.DAO_NAME ? process.env.DAO_NAME : null
 export const GOVERNOR_ADDRESS = process.env.GOVERNOR_ADDRESS ? process.env.GOVERNOR_ADDRESS : null
 export const REPORTS_BRANCH = 'reports'
+
+export const ARBITRUM_PRECOMPILES = new Set([
+    "0x0000000000000000000000000000000000000064", // ArbSys
+])