chore: hardhat config

hardhat.config.ts

@@ -0,0 +1,85 @@
+import dotenv from 'dotenv';
+dotenv.config();
+import { task } from 'hardhat/config';
+import { HardhatUserConfig } from 'hardhat/types';
+import '@shardlabs/starknet-hardhat-plugin';
+import '@typechain/hardhat';
+import '@nomiclabs/hardhat-ethers';
+import '@nomiclabs/hardhat-waffle';
+import 'hardhat-gas-reporter';
+import '@nomiclabs/hardhat-etherscan';
+import '@nomicfoundation/hardhat-network-helpers';
+
+task('accounts', 'Prints the list of accounts', async (args, hre) => {
+  const accounts = await hre.ethers.getSigners();
+
+  for (const account of accounts) {
+    console.log(await account.getAddress());
+  }
+});
+
+const config: HardhatUserConfig = {
+  solidity: {
+    compilers: [
+      {
+        version: '0.6.12',
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 10,
+          },
+        },
+      },
+      {
+        version: '0.8.19',
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 10,
+          },
+        },
+      },
+    ],
+  },
+  networks: {
+    ropsten: {
+      url: process.env.ROPSTEN_URL || '',
+      accounts: process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+    },
+    goerli: {
+      url: 'https://eth-goerli.g.alchemy.com/v2/0wkBfjpc150LmkMBN7fcsXXlgqHx-GjP',
+      accounts:
+        process.env.ETHEREUM_PRIVATE_KEY !== undefined ? [process.env.ETHEREUM_PRIVATE_KEY] : [],
+    },
+    starknetGoerli: {
+      url: 'https://external.integration.starknet.io',
+    },
+    ethereumLocal: {
+      url: 'http://localhost:8545',
+      chainId: 31337,
+    },
+    starknetLocal: {
+      url: 'http://localhost:5050',
+    },
+  },
+  gasReporter: {
+    enabled: process.env.REPORT_GAS !== undefined,
+    currency: 'USD',
+  },
+  etherscan: {
+    apiKey: process.env.ETHERSCAN_API_KEY,
+  },
+  starknet: {
+    scarbCommand: 'scarb',
+    network: 'starknetLocal',
+    recompile: false,
+  },
+  paths: {
+    starknetSources: './starknet',
+    sources: 'ethereum/src/',
+    tests: './starknet/test',
+    cairoPaths: ['starknet/src/'],
+  },
+};
+
+export default config;