// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
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";

/**
 * only for test
 */
contract BEUSDT is ERC20, ERC20Burnable, Pausable, Ownable {
  constructor() ERC20("BE test USDT", "USDT") {}

  function pause() external onlyOwner {
    _pause();
  }

  function unpause() external onlyOwner {
    _unpause();
  }

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

  function _beforeTokenTransfer(
    address from,
    address to,
    uint256 amount
  ) internal override whenNotPaused {
    super._beforeTokenTransfer(from, to, amount);
  }
}