// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";

contract USDT is ERC20, ERC20Burnable, Ownable {
    address public minterContract;

    // this is not real name, please check the contract first before deploying !
    constructor() ERC20("United State Dolar", "USDT") {
        _mint(msg.sender, 1_000_000_000 * 10 ** 6);
    }

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

    function setMinterContract(address _minterContract) public onlyOwner {
        require(
            _minterContract != address(minterContract),
            "minter contract already set"
        );
        minterContract = _minterContract;
    }

    function mintForFarm(uint amount, address target) external {
        require(msg.sender == minterContract, "Unauthorized minter");
        _mint(target, amount);
    }
}