// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol"; import "@openzeppelin/contracts/security/Pausable.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; contract Model is ERC20, ERC20Burnable, Pausable, Ownable { constructor() ERC20("Model", "Model") {} function pause() public onlyOwner { _pause(); } function unpause() public onlyOwner { _unpause(); } function mint(address to, uint256 amount) public onlyOwner { _mint(to, amount); } function _beforeTokenTransfer(address from, address to, uint256 amount) internal whenNotPaused override { super._beforeTokenTransfer(from, to, amount); } }