Added Gas Reporter

hardhat.config.js

@@ -5,14 +5,19 @@ require("@nomiclabs/hardhat-ethers");
 //require("@nomicfoundation/hardhat-verify");
 require("dotenv").config();
 require("./tasks/block-number");
+require("hardhat-gas-reporter");
 
-const RPC_URL_SEPOLIA = process.env.SEPOLIA_RPC_URL;
-const PRIVATE_KEY_SEPOLIA = process.env.SEPOLIA_PRIVATE_KEY;
+const RPC_URL_SEPOLIA = process.env.SEPOLIA_RPC_URL || "https://eth-sepolia";
+const PRIVATE_KEY_SEPOLIA = process.env.SEPOLIA_PRIVATE_KEY || "0xkey";
 
-const RPC_URL_GANACHE = process.env.LOCAL_RPC_URL;
-const PRIVATE_KEY_GANACHE = process.env.LOCAL_PRIVATE_KEY;
+const RPC_URL_GANACHE = process.env.LOCAL_RPC_URL || "http://192.168.1.10:7545";
+const PRIVATE_KEY_GANACHE = process.env.LOCAL_PRIVATE_KEY || "0xkey";
 
-const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY;
+const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "key";
+const COINMARKETCAP_API_KEY = process.env.COINMARKETCAP_API_KEY || "key";
+
+const REPORT_GAS = process.env.REPORT_GAS || "true";
+const REPORT_PRICE = process.env.REPORT_PRICE || "false";
 
 /** @type import('hardhat/config').HardhatUserConfig */
 module.exports = {
@@ -42,6 +47,19 @@ module.exports = {
     sourcify: {
         enabled: false,
     },
+    gasReporter: {
+        enabled: REPORT_GAS === "true",
+        offline: REPORT_PRICE === "false",
+        coinmarketcap: COINMARKETCAP_API_KEY,
+        token: "ETH", // ETH, BNB, MATIC, AVAX, HT, MOVR - https://www.npmjs.com/package/hardhat-gas-reporter
+        currency: "USD",
+        //gasPrice: 10, // In case gasPriceApi not working https://etherscan.io/gastracker#chart_gasprice
+        gasPriceApi:
+            "https://api.etherscan.io/api?module=proxy&action=eth_gasPrice&apikey=" +
+            ETHERSCAN_API_KEY,
+        outputFile: "gas-report.txt",
+        noColors: true,
+    },
 };
 
 task("accounts", "Prints the list of accounts", async (taskArgs, hre) => {