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

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";

contract MockMintableToken is ERC20, AccessControl {
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");

    constructor(string memory name, string memory symbol, uint8 decimals_, address admin)
        ERC20(name, symbol)
    {
        _grantRole(DEFAULT_ADMIN_ROLE, admin);
        _grantRole(MINTER_ROLE, admin);
    }

    function mint(address to, uint256 amount) external onlyRole(MINTER_ROLE) {
        _mint(to, amount);
    }

    function decimals() public view virtual override returns (uint8) {
        return 6;
    }
}