Feat(hardhat): Update smart contracts and hardhat scripts (#934)

* feat: updated the contracts

* feat: not finished

* feat(hardhat): update smart contracts and scripts

* refactor: deleted unnecesary file

Author: mpaya5

hardhat/contracts/BasicERC20.sol

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
+import { ERC20 } from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+import { ERC20Burnable } from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
+import { ERC20Pausable } from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Pausable.sol";
+
+/**
+ * This file was generated with Openzeppelin Wizard and later modified.
+ * GO TO: https://wizard.openzeppelin.com/#erc20
+ */
+contract BasicERC20 is ERC20, ERC20Burnable, ERC20Pausable, Ownable {
+	constructor(
+		string memory name,
+		string memory symbol,
+		address initialOwner
+	) ERC20(name, symbol) Ownable(initialOwner) {}
+
+	function pause() external onlyOwner {
+		_pause();
+	}
+
+	function unpause() external onlyOwner {
+		_unpause();
+	}
+
+	function mint(address to, uint256 amount) external onlyOwner {
+		_mint(to, amount);
+	}
+
+	function _update(
+		address from,
+		address to,
+		uint256 value
+	) internal override(ERC20, ERC20Pausable) {
+		super._update(from, to, value);
+	}
+}