chore: polygon zkevm testnet deployment

.env.example

@@ -1,3 +1,4 @@
 ETHERSCAN_API_KEY=<YOUR_ETHERSCAN_KEY>
 SEPOLIA_URL=https://eth-sepolia.alchemyapi.io/v2/<YOUR ALCHEMY KEY>
+POLYGON_ZKEVM_TESTNET_URL=https://rpc.public.zkevm-test.net
 PRIVATE_KEY=<YOUR_PRIVATE_KEY>

deployments/polygonZkevmTestnet/.chainId

@@ -0,0 +1 @@
+1442

hardhat.config.ts

@@ -12,10 +12,20 @@ import "hardhat-gas-reporter";
 import "solidity-docgen";
 
 dotenv.config();
-const { SEPOLIA_URL, PRIVATE_KEY, ETHERSCAN_API_KEY } = process.env;
+const {
+  SEPOLIA_URL,
+  PRIVATE_KEY,
+  ETHERSCAN_API_KEY,
+  POLYGON_ZKEVM_TESTNET_URL,
+} = process.env;
 
 const getNetworkConfig = (): NetworksUserConfig | undefined => {
-  if (SEPOLIA_URL && PRIVATE_KEY) {
+  if (
+    SEPOLIA_URL &&
+    PRIVATE_KEY &&
+    ETHERSCAN_API_KEY &&
+    POLYGON_ZKEVM_TESTNET_URL
+  ) {
     return {
       sepolia: {
         url: SEPOLIA_URL,
@@ -30,6 +40,13 @@ const getNetworkConfig = (): NetworksUserConfig | undefined => {
           },
         },
       },
+      polygonZkevmTestnet: {
+        url: POLYGON_ZKEVM_TESTNET_URL,
+        accounts: [PRIVATE_KEY],
+        forking: {
+          url: POLYGON_ZKEVM_TESTNET_URL,
+        },
+      },
       localhost_integration: {
         url: "http://localhost:8545",
       },

package.json

@@ -12,6 +12,7 @@
     "test:foundry": "forge test",
     "deploy": "hardhat deploy --export-all deployments/allDeployments.json --network",
     "deploy:sepolia": "yarn deploy sepolia",
+    "deploy:polygon_zkevm_testnet": "yarn deploy polygonZkevmTestnet",
     "deploy:localhost": "yarn deploy localhost",
     "verify:sepolia": "hardhat --network sepolia etherscan-verify",
     "coverage": "forge coverage --report lcov",