started moving to hardhat

Author: Kotsin

.gitignore

@@ -13,6 +13,11 @@ node_modules
 /spec_hbbft.json
 /spec_validatorset.json
 
+#hardhat specific files
+artifacts
+cache
+src
+
 # Emacs backups
 \#*#
 .#*
@@ -24,4 +29,5 @@ node_modules
 # hbbft-posdao-contracts specific files
 .network
 .pk
-.mnemonic*
+.mnemonic*
+.env*

hardhat.config.ts

@@ -0,0 +1,144 @@
+import "@nomicfoundation/hardhat-toolbox";
+import "@nomicfoundation/hardhat-chai-matchers";
+import "@nomiclabs/hardhat-ethers";
+import "@nomiclabs/hardhat-etherscan";
+import "@typechain/hardhat";
+import "hardhat-gas-reporter";
+import "solidity-coverage";
+import "hardhat-contract-sizer";
+import "@openzeppelin/hardhat-upgrades";
+import { config as dotenvConfig } from "dotenv";
+import type { NetworkUserConfig } from "hardhat/types";
+// ToDo::check why config excluding gas reporter and typechain
+import type { HardhatUserConfig } from "hardhat/config";
+import { resolve } from "path";
+
+const dotenvConfigPath: string = process.env.DOTENV_CONFIG_PATH || "./.env";
+dotenvConfig({ path: resolve(__dirname, dotenvConfigPath) });
+
+// ToDo::change require to smth more suitable
+require('./tasks');
+
+// Ensure that we have all the environment variables we need.
+const mnemonic: string | undefined = process.env.MNEMONIC;
+if (!mnemonic) {
+    throw new Error("Please set your MNEMONIC in a .env file");
+}
+
+const infuraApiKey: string | undefined = process.env.INFURA_API_KEY;
+if (!infuraApiKey) {
+    throw new Error("Please set your INFURA_API_KEY in a .env file");
+}
+
+const chainIds = {
+    "arbitrum-mainnet": 42161,
+    avalanche: 43114,
+    bsc: 56,
+    ganache: 1337,
+    goerli: 5,
+    kovan: 42,
+    hardhat: 31337,
+    mainnet: 1,
+    "optimism-mainnet": 10,
+    "polygon-mainnet": 137,
+    "polygon-mumbai": 80001,
+};
+
+function getChainConfig(chain: keyof typeof chainIds): NetworkUserConfig {
+    let jsonRpcUrl: string;
+    switch (chain) {
+        case "avalanche":
+            jsonRpcUrl = "https://api.avax.network/ext/bc/C/rpc";
+            break;
+        case "bsc":
+            jsonRpcUrl = "https://bsc-dataseed1.binance.org";
+            break;
+        default:
+            jsonRpcUrl = "https://" + chain + ".infura.io/v3/" + infuraApiKey;
+    }
+    return {
+        accounts: {
+            count: 10,
+            mnemonic,
+            path: "m/44'/60'/0'/0",
+        },
+        chainId: chainIds[chain],
+        gas: 21_000_000_000,
+        gasPrice: 8000000000,
+        allowUnlimitedContractSize: true,
+        blockGasLimit: 100000000429720,
+        url: jsonRpcUrl,
+    };
+}
+
+const config: {} = {
+    defaultNetwork: "hardhat",
+    etherscan: {
+        apiKey: {
+            arbitrumOne: process.env.ARBISCAN_API_KEY || "",
+            avalanche: process.env.SNOWTRACE_API_KEY || "",
+            bsc: process.env.BSCSCAN_API_KEY || "",
+            goerli: process.env.ETHERSCAN_API_KEY || "",
+            mainnet: process.env.ETHERSCAN_API_KEY || "",
+            optimisticEthereum: process.env.OPTIMISM_API_KEY || "",
+            polygon: process.env.POLYGONSCAN_API_KEY || "",
+            polygonMumbai: process.env.POLYGONSCAN_API_KEY || "",
+        },
+    },
+    contractSizer: {
+        alphaSort: true,
+        runOnCompile: true,
+        disambiguatePaths: false,
+    },
+    gasReporter: {
+        currency: "USD",
+        enabled: process.env.REPORT_GAS ? true : false,
+        excludeContracts: [],
+        src: "./contracts",
+    },
+    networks: {
+        hardhat: {
+            accounts: {
+                mnemonic,
+            },
+            chainId: chainIds.hardhat,
+        },
+        arbitrum: getChainConfig("arbitrum-mainnet"),
+        avalanche: getChainConfig("avalanche"),
+        bsc: getChainConfig("bsc"),
+        goerli: getChainConfig("goerli"),
+        mainnet: getChainConfig("mainnet"),
+        optimism: getChainConfig("optimism-mainnet"),
+        "polygon-mainnet": getChainConfig("polygon-mainnet"),
+        "polygon-mumbai": getChainConfig("polygon-mumbai"),
+    },
+    paths: {
+        artifacts: "./artifacts",
+        cache: "./cache",
+        sources: "./contracts",
+        tests: "./test",
+    },
+    solidity: {
+        version: "0.5.16",
+        settings: {
+            //   viaIR: true,
+            metadata: {
+                // Not including the metadata hash
+                // https://github.com/paulrberg/hardhat-template/issues/31
+                bytecodeHash: "none",
+            },
+            // Disable the optimizer when debugging
+            // https://hardhat.org/hardhat-network/#solidity-optimizer-support
+            optimizer: {
+                enabled: true,
+                runs: 0,
+            },
+        },
+    },
+    typechain: {
+        outDir: "src/types",
+        target: "ethers-v5",
+    },
+};
+
+export default config;