contract Charm is Initializable, ContextUpgradeable, AccessControlUpgradeable, ERC20CappedUpgradeable, ERC20BurnableUpgradeable, ERC20PausableUpgradeable, ERC20SnapshotUpgradeable {
    function initialize(string memory name, string memory symbol, uint256 cap) public virtual initializer {
        __Charm_init(name, symbol, cap);
    }
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
    bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");

    /**
     * @dev Grants `DEFAULT_ADMIN_ROLE`, `MINTER_ROLE` and `PAUSER_ROLE` to the
     * account that deploys the contract.
     *
     * See {ERC20-constructor}.
     */
    function __Charm_init(string memory name, string memory symbol, uint256 cap) internal initializer {
        __Context_init_unchained();
        __AccessControl_init_unchained();
        __ERC20_init_unchained(name, symbol);
        __ERC20Burnable_init_unchained();
        __Pausable_init_unchained();
        __ERC20Pausable_init_unchained();
        __ERC20Capped_init_unchained(cap);
        __Charm_init_unchained();
    }

    function __Charm_init_unchained() internal initializer {
        _setupRole(DEFAULT_ADMIN_ROLE, _msgSender());

        _setupRole(MINTER_ROLE, _msgSender());
        _setupRole(PAUSER_ROLE, _msgSender());
    }

    /**
     * @dev Creates `amount` new tokens for `to`.
     *
     * See {ERC20-_mint}.
     *
     * Requirements:
     *
     * - the caller must have the `MINTER_ROLE`.
     */
    function mint(address to, uint256 amount) public virtual {
        require(hasRole(MINTER_ROLE, _msgSender()), "CHARM: must have minter role to mint");
        _mint(to, amount);
    }

    /**
     * @dev Pauses all token transfers.
     *
     * See {ERC20Pausable} and {Pausable-_pause}.
     *
     * Requirements:
     *
     * - the caller must have the `PAUSER_ROLE`.
     */
    function pause() public virtual {
        require(hasRole(PAUSER_ROLE, _msgSender()), "CHARM: must have pauser role to pause");
        _pause();
    }

    /**
     * @dev Unpauses all token transfers.
     *
     * See {ERC20Pausable} and {Pausable-_unpause}.
     *
     * Requirements:
     *
     * - the caller must have the `PAUSER_ROLE`.
     */
    function unpause() public virtual {
        require(hasRole(PAUSER_ROLE, _msgSender()), "CHARM: must have pauser role to unpause");
        _unpause();
    }

    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override(ERC20Upgradeable, ERC20CappedUpgradeable, ERC20PausableUpgradeable, ERC20SnapshotUpgradeable) {
        super._beforeTokenTransfer(from, to, amount);
    }
}
function mint(address to, uint256 amount) public virtual {
    require(hasRole(MINTER_ROLE, _msgSender()), "CHARM: must have minter role to mint");
    _mint(to, amount);
}

/**
 * @dev Creates `amount` new tokens for `to`.
 *
 * See {ERC20-_mint}.
 *
 * Requirements:
 *
 * - the caller must have the `MINTER_ROLE`.
 */