From 1dabd761cba9b2dcccbaa16add2635352cbe7551 Mon Sep 17 00:00:00 2001
From: 0xmad <0xmad@users.noreply.github.com>
Date: Tue, 12 Mar 2024 11:05:07 -0500
Subject: [PATCH] chore(contracts): support op sepolia deployment

---
 contracts/.env.example               |  3 ++-
 contracts/hardhat.config.ts          | 25 +++++++++++++++++++++++--
 contracts/package.json               |  7 ++++++-
 contracts/tasks/helpers/constants.ts | 11 +++++++++++
 4 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/contracts/.env.example b/contracts/.env.example
index 4b803b3e29..828a756865 100644
--- a/contracts/.env.example
+++ b/contracts/.env.example
@@ -1,5 +1,6 @@
 MNEMONIC=
-ETHERSCAN_API_KEY=
+ETH_ETHERSCAN_API_KEY=
+OPTIMISM_ETHERSCAN_API_KEY=
 INFURA_KEY=
 OP_RPC_URL=
 GAS_PRICE=
diff --git a/contracts/hardhat.config.ts b/contracts/hardhat.config.ts
index e0b7d07b07..a88f232555 100644
--- a/contracts/hardhat.config.ts
+++ b/contracts/hardhat.config.ts
@@ -9,7 +9,13 @@ import type { HardhatUserConfig } from "hardhat/config";
 
 // Don't forget to import new tasks here
 import "./tasks/deploy";
-import { EChainId, ESupportedChains, NETWORKS_DEFAULT_GAS, getNetworkRpcUrls } from "./tasks/helpers/constants";
+import {
+  EChainId,
+  ESupportedChains,
+  NETWORKS_DEFAULT_GAS,
+  getEtherscanApiKeys,
+  getNetworkRpcUrls,
+} from "./tasks/helpers/constants";
 import "./tasks/runner/deployFull";
 import "./tasks/runner/deployPoll";
 import "./tasks/runner/merge";
@@ -22,6 +28,7 @@ const DEFAULT_BLOCK_GAS_LIMIT = 30_000_000;
 const DEFAULT_GAS_MUL = 2;
 const TEST_MNEMONIC = "candy maple cake sugar pudding cream honey rich smooth crumble sweet treat";
 const NETWORKS_RPC_URL = getNetworkRpcUrls();
+const ETHERSCAN_API_KEYS = getEtherscanApiKeys();
 
 const getCommonNetworkConfig = (networkName: ESupportedChains, chainId: number, mnemonic?: string) => ({
   url: NETWORKS_RPC_URL[networkName],
@@ -51,6 +58,7 @@ const config: HardhatUserConfig = {
   defaultNetwork: "localhost",
   networks: {
     sepolia: getCommonNetworkConfig(ESupportedChains.Sepolia, EChainId.Sepolia),
+    optimism_sepolia: getCommonNetworkConfig(ESupportedChains.OptimismSepolia, EChainId.OptimismSepolia),
     coverage: getCommonNetworkConfig(ESupportedChains.Coverage, EChainId.Coverage, TEST_MNEMONIC),
     localhost: {
       url: "http://localhost:8545",
@@ -90,7 +98,20 @@ const config: HardhatUserConfig = {
     disambiguatePaths: false,
   },
   etherscan: {
-    apiKey: process.env.ETHERSCAN_API_KEY,
+    apiKey: {
+      [ESupportedChains.Sepolia]: ETHERSCAN_API_KEYS[ESupportedChains.Sepolia]!,
+      [ESupportedChains.OptimismSepolia]: ETHERSCAN_API_KEYS[ESupportedChains.OptimismSepolia]!,
+    },
+    customChains: [
+      {
+        network: ESupportedChains.OptimismSepolia,
+        chainId: EChainId.OptimismSepolia,
+        urls: {
+          apiURL: "https://api-sepolia-optimism.etherscan.io/api",
+          browserURL: "https://sepolia-optimism.etherscan.io",
+        },
+      },
+    ],
   },
   sourcify: {
     enabled: true,
diff --git a/contracts/package.json b/contracts/package.json
index 96ea65c577..1a587699fe 100644
--- a/contracts/package.json
+++ b/contracts/package.json
@@ -56,13 +56,18 @@
     "prove": "hardhat prove",
     "deploy:localhost": "pnpm run deploy",
     "deploy:sepolia": "pnpm run deploy --network sepolia",
+    "deploy:optimism-sepolia": "pnpm run deploy --network optimism_sepolia",
     "deploy-poll:localhost": "pnpm run deploy-poll",
     "deploy-poll:sepolia": "pnpm run deploy-poll --network sepolia",
+    "deploy-poll:optimism-sepolia": "pnpm run deploy-poll --network optimism_sepolia",
     "merge:localhost": "pnpm run merge",
     "merge:sepolia": "pnpm run merge --network sepolia",
+    "merge:optimism-sepolia": "pnpm run merge --network optimism_sepolia",
     "prove:localhost": "pnpm run prove",
     "prove:sepolia": "pnpm run prove --network sepolia",
-    "verify:sepolia": "pnpm run verify --network sepolia"
+    "prove:optimism-sepolia": "pnpm run prove --network optimism_sepolia",
+    "verify:sepolia": "pnpm run verify --network sepolia",
+    "verify:optimism-sepolia": "pnpm run verify --network optimism_sepolia"
   },
   "dependencies": {
     "@nomicfoundation/hardhat-ethers": "^3.0.5",
diff --git a/contracts/tasks/helpers/constants.ts b/contracts/tasks/helpers/constants.ts
index 76dac42197..c79fb52114 100644
--- a/contracts/tasks/helpers/constants.ts
+++ b/contracts/tasks/helpers/constants.ts
@@ -3,6 +3,7 @@
  */
 export enum ESupportedChains {
   Sepolia = "sepolia",
+  OptimismSepolia = "optimism_sepolia",
   Coverage = "coverage",
   Hardhat = "hardhat",
 }
@@ -12,6 +13,7 @@ export enum ESupportedChains {
  */
 export enum EChainId {
   Hardhat = 31337,
+  OptimismSepolia = 11155420,
   Sepolia = 11155111,
   Coverage = 1337,
 }
@@ -33,6 +35,7 @@ const gasPrice = (value: number) => value * GWEI;
  */
 export const NETWORKS_DEFAULT_GAS: Record<ESupportedChains, number | "auto"> = {
   [ESupportedChains.Sepolia]: gasPrice(1),
+  [ESupportedChains.OptimismSepolia]: gasPrice(1),
   [ESupportedChains.Coverage]: gasPrice(1),
   [ESupportedChains.Hardhat]: gasPrice(1),
 };
@@ -47,7 +50,15 @@ export const getNetworkRpcUrls = (): Record<ESupportedChains, string> => {
 
   return {
     [ESupportedChains.Sepolia]: `https://sepolia.infura.io/v3/${INFURA_KEY}`,
+    [ESupportedChains.OptimismSepolia]: `https://optimism-sepolia.infura.io/v3/${INFURA_KEY}`,
     [ESupportedChains.Coverage]: "http://localhost:8555",
     [ESupportedChains.Hardhat]: "http://localhost:8545",
   };
 };
+
+export const getEtherscanApiKeys = (): Record<ESupportedChains, string | undefined> => ({
+  [ESupportedChains.Sepolia]: process.env.ETH_ETHERSCAN_API_KEY,
+  [ESupportedChains.OptimismSepolia]: process.env.OPTIMISM_ETHERSCAN_API_KEY,
+  [ESupportedChains.Coverage]: undefined,
+  [ESupportedChains.Hardhat]: undefined,
+});