Add ERC20 Juke token contract

packages/hardhat/contracts/Juke.sol

@@ -0,0 +1,25 @@
+// contracts/Juke.sol
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.17;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+
+contract Juke is ERC20, Ownable {
+    using SafeERC20 for IERC20;
+
+    constructor(address _owner) ERC20("Juke", "JUKE") {
+        transferOwnership(_owner);
+        // mint some tokens for testing
+        _mint(_owner, 1000000000000000000000000);
+    }
+
+    function mint(address to, uint256 amount) public onlyOwner {
+        _mint(to, amount);
+    }
+
+    function burn(address from, uint256 amount) public onlyOwner {
+        _burn(from, amount);
+    }
+}

packages/hardhat/deploy/00_deploy_juke_token.js

@@ -0,0 +1,51 @@
+// deploy/00_deploy_juke_token.js
+
+const { ethers } = require("hardhat");
+
+const localChainId = "31337";
+
+// const sleep = (ms) =>
+//   new Promise((r) =>
+//     setTimeout(() => {
+//       console.log(`waited for ${(ms / 1000).toFixed(3)} seconds`);
+//       r();
+//     }, ms)
+//   );
+
+module.exports = async ({ getNamedAccounts, deployments, getChainId }) => {
+  const { deploy } = deployments;
+  const { deployer } = await getNamedAccounts();
+  const chainId = await getChainId();
+
+  await deploy("Juke", {
+    from: deployer,
+    args: [ deployer ],
+    log: true,
+  });
+
+  // Uncomment this to transfer ownership to a different address
+  // const Juke = await ethers.getContract("Juke", deployer);
+  /*
+    await Juke.transferOwnership(
+      "ADDRESS_HERE"
+    );
+  */
+
+  // Verify from the command line by running `yarn verify`.
+
+  // You can also Verify your contracts with Etherscan here.
+  // You don't want to verify on localhost
+  // try {
+  //   if (chainId !== localChainId) {
+  //     await run("verify:verify", {
+  //       address: Juke.address,
+  //       contract: "contracts/Juke.sol:Juke",
+  //       constructorArguments: [],
+  //     });
+  //   }
+  // } catch (error) {
+  //   console.error(error);
+  // }
+};
+
+module.exports.tags = ["Juke"];

packages/hardhat/hardhat.config.js

@@ -281,7 +281,7 @@ module.exports = {
   solidity: {
     compilers: [
       {
-        version: "0.8.4",
+        version: "0.8.17",
         settings: {
           optimizer: {
             enabled: true,