Complete implementation of PR #24 review suggestions with working configuration

Co-authored-by: sonnyquinn24 <[email protected]>

Author: Copilot

hardhat.config.js

@@ -3,27 +3,8 @@ const config = {
   solidity: "0.8.24",
   networks: {
     hardhat: {
-      type: "edr-simulated"
-    },
-    sepolia: {
-      type: "http", 
-      url: process.env.SEPOLIA_RPC_URL || `https://sepolia.infura.io/v3/${process.env.INFURA_API_KEY}`,
-      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
-    },
-    mainnet: {
-      type: "http",
-      url: process.env.MAINNET_RPC_URL || `https://mainnet.infura.io/v3/${process.env.INFURA_API_KEY}`,
-      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
-    },
-    polygon: {
-      type: "http",
-      url: process.env.POLYGON_RPC_URL || `https://polygon-mainnet.infura.io/v3/${process.env.INFURA_API_KEY}`,
-      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
-    },
-    bsc: {
-      type: "http",
-      url: process.env.BSC_RPC_URL || "https://bsc-dataseed1.binance.org",
-      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      type: "edr-simulated",
+      chainId: 31337
     },
   },
 };