63-restore verification config

Author: Mark Brivvins

.env.example

@@ -1,7 +1,7 @@
 # Default network to work on; can be overridden with --network param
 HARDHAT_NETWORK="testnet_ethereum" 
 
-ETHERSCAN_API_KEY=<Etherscan API V2 key for contract verification> 
+ETHERSCAN_API_KEY=<Etherscan API Key>
 
 TESTNET_ETHEREUM_URL=<ETHEREUM testnet (Sepolia) node URL>
 

hardhat.config.ts

@@ -182,17 +182,30 @@ const config = {
     currency: "USD",
   },
   sourcify: {
-    enabled: process.env.SOURCIFY_ENABLED === "true"
+    enabled: true
   },
   etherscan: {
-    apiKey: process.env.ETHERSCAN_API_KEY || process.env.POLYGONSCAN_API_KEY || "",
+    apiKey: {
+      mainnet: process.env.ETHERSCAN_API_KEY,
+      testnet_ethereum: process.env.ETHERSCAN_API_KEY,
+      polygon: process.env.POLYGONSCAN_API_KEY,
+      testnet_polygon: process.env.POLYGONSCAN_API_KEY,
+      aurora: process.env.AURORA_ETHERSCAN_API_KEY,
+      testnet_aurora: process.env.AURORA_ETHERSCAN_API_KEY,
+      optimism: process.env.OPTIMISM_ETHERSCAN_API_KEY,
+      testnet_optimism: process.env.OPTIMISM_ETHERSCAN_API_KEY,
+      lisk: null, // lisk's blockscout currently doesn't require one
+      testnet_lisk: null, // lisk's blockscout currently doesn't require one
+      base: null,
+      testnet_base: null
+    },
     customChains: [
       {
         network: "testnet_polygon",
         chainId: 80002,
         urls: {
           apiURL: "https://api-amoy.polygonscan.com/api",
-          browserURL: "https://amoy.polygonscan.com",
+          browserURL: "https://api-amoy.polygonscan.com",
         },
       },
       {
@@ -235,6 +248,7 @@ const config = {
           browserURL: "https://sepolia-blockscout.lisk.com"
         }
       },
+      ,
       {
         network: "base",
         chainId: 8453,