ERC20.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/ERC20.sol";

contract StakingToken is ERC20("Staking Token", "STK") {
    address public owner;

    constructor() {
        owner = msg.sender;
        _mint(msg.sender, 100000e18);
    }

    function mint(uint _amount) external {
        _mint(msg.sender, _amount * 1e18);
    }
}