launchpad_contract/contracts/MockUSDT.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

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

/**
 * @title MockUSD1
 * @dev Mock USD1 token for testing purposes
 */
contract MockUSD1 is ERC20, Ownable {
	uint8 private _decimals = 18; // Standard ERC20 has 18 decimals

	constructor() ERC20("Mock USD1", "mUSD1") Ownable(msg.sender) {
		// Mint initial supply to deployer
		_mint(msg.sender, 1000000 * 10**18); // 1M USD1
	}

    /**
     * @dev Returns the number of decimals used to get its user representation.
     */
    function decimals() public view virtual override returns (uint8) {
        return _decimals;
    }

    /**
     * @dev Mint tokens to a specific address (only owner)
     */
    function mint(address to, uint256 amount) public onlyOwner {
        _mint(to, amount);
    }

    /**
     * @dev Burn tokens from caller
     */
    function burn(uint256 amount) public {
        _burn(msg.sender, amount);
    }
}