chore: sync submodule state (parent ref update)

Made-with: Cursor

hardhat.config.js

@@ -4,13 +4,10 @@ require("dotenv").config();
 /** @type import('hardhat/config').HardhatUserConfig */
 module.exports = {
   solidity: {
-    version: "0.8.20",
-    settings: {
-      optimizer: {
-        enabled: true,
-        runs: 200,
-      },
-    },
+    compilers: [
+      { version: "0.8.20", settings: { optimizer: { enabled: true, runs: 200 }, viaIR: true } },
+      { version: "0.8.22", settings: { optimizer: { enabled: true, runs: 200 }, viaIR: true } },
+    ],
   },
   networks: {
     hardhat: {
@@ -31,12 +28,50 @@ module.exports = {
       accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
       chainId: 11155111,
     },
-  },
-  etherscan: {
-    apiKey: {
-      mainnet: process.env.ETHERSCAN_API_KEY || "",
-      sepolia: process.env.ETHERSCAN_API_KEY || "",
+    bsc: {
+      url: process.env.BSC_MAINNET_RPC || process.env.BSC_RPC_URL || "https://bsc-dataseed.binance.org",
+      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      chainId: 56,
     },
+    polygon: {
+      url: process.env.POLYGON_MAINNET_RPC || "https://polygon-rpc.com",
+      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      chainId: 137,
+    },
+    gnosis: {
+      url: process.env.GNOSIS_RPC_URL || "https://rpc.gnosischain.com",
+      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      chainId: 100,
+    },
+    cronos: {
+      url: process.env.CRONOS_RPC_URL || "https://evm.cronos.org",
+      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      chainId: 25,
+    },
+    optimism: {
+      url: process.env.OPTIMISM_MAINNET_RPC || "https://mainnet.optimism.io",
+      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      chainId: 10,
+    },
+    base: {
+      url: process.env.BASE_MAINNET_RPC || "https://mainnet.base.org",
+      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      chainId: 8453,
+    },
+    arbitrum: {
+      url: process.env.ARBITRUM_MAINNET_RPC || "https://arb1.arbitrum.io/rpc",
+      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      chainId: 42161,
+    },
+    avalanche: {
+      url: process.env.AVALANCHE_RPC_URL || process.env.AVALANCHE_MAINNET_RPC || "https://api.avax.network/ext/bc/C/rpc",
+      accounts: process.env.PRIVATE_KEY ? [process.env.PRIVATE_KEY] : [],
+      chainId: 43114,
+    },
+  },
+  // Single Etherscan API key = V2 for all chains (see docs/deployment/ETHERSCAN_V2_VERIFY_OTHER_CHAINS.md)
+  etherscan: {
+    apiKey: process.env.ETHERSCAN_API_KEY || "",
   },
   paths: {
     sources: "./contracts",