hardhat config updates

.env.example

@@ -1,3 +1,3 @@
 ETHERSCAN_API_KEY=ABC123ABC123ABC123ABC123ABC123ABC1
-ROPSTEN_URL=https://eth-ropsten.alchemyapi.io/v2/<YOUR ALCHEMY KEY>
+ALCHEMY_API_KEY=<YOUR ALCHEMY KEY>
 PRIVATE_KEY=0xabc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1

hardhat.config.ts

@@ -19,16 +19,60 @@ task("accounts", "Prints the list of accounts", async (taskArgs, hre) => {
   }
 });
 
+const alchemyApiKey = process.env.ALCHEMY_API_KEY;
+if (!alchemyApiKey) {
+  throw new Error("Please set your ALCHEMY_ETH_API_KEY in a .env file");
+}
+
 // You need to export an object to set up your config
 // Go to https://hardhat.org/config/ to learn more
 
 const config: HardhatUserConfig = {
-  solidity: "0.8.4",
+  solidity: {
+    compilers: [
+      {
+        version: "0.8.6",
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200,
+          },
+        },
+      },
+      {
+        version: "0.7.6",
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200,
+          },
+        },
+      },
+      {
+        version: "0.5.6",
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200,
+          },
+        },
+      },
+    ],
+  },
   networks: {
-    ropsten: {
+    hardhat: {
-      url: process.env.ROPSTEN_URL || "",
+      forking: {
-      accounts:
+        url: `https://eth-mainnet.alchemyapi.io/v2/${alchemyApiKey}`,
-        process.env.PRIVATE_KEY !== undefined ? [process.env.PRIVATE_KEY] : [],
+        // blockNumber: 14501064
+      },
+      chainId: 1,
+      gasPrice: 151101000000,
+    },
+    mainnet: {
+      url: `https://eth-mainnet.alchemyapi.io/v2/${alchemyApiKey}`,
+      chainId: 1,
+      gasPrice: 52101000000,
+      accounts: [`0x${process.env.PRIVATE_KEY}`]
     },
   },
   gasReporter: {
@@ -38,6 +82,9 @@ const config: HardhatUserConfig = {
   etherscan: {
     apiKey: process.env.ETHERSCAN_API_KEY,
   },
+  mocha: {
+    timeout: 10000 * 10000,
+  }
 };
 
 export default config;

test/index.ts

@@ -1,19 +0,0 @@
-import { expect } from "chai";
-import { ethers } from "hardhat";
-
-describe("Greeter", function () {
-  it("Should return the new greeting once it's changed", async function () {
-    const Greeter = await ethers.getContractFactory("Greeter");
-    const greeter = await Greeter.deploy("Hello, world!");
-    await greeter.deployed();
-
-    expect(await greeter.greet()).to.equal("Hello, world!");
-
-    const setGreetingTx = await greeter.setGreeting("Hola, mundo!");
-
-    // wait until the transaction is mined
-    await setGreetingTx.wait();
-
-    expect(await greeter.greet()).to.equal("Hola, mundo!");
-  });
-});