Contract Source Code:

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

interface IERC20 {
    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount)
        external
        returns (bool);

    function allowance(address owner, address spender)
        external
        view
        returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
}

contract ERC20 is IERC20 {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    uint256 private _totalSupply;

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account)
        public
        view
        virtual
        override
        returns (uint256)
    {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount)
        public
        virtual
        override
        returns (bool)
    {
        _transfer(msg.sender, recipient, amount);
        return true;
    }

    function allowance(address owner, address spender)
        public
        view
        virtual
        override
        returns (uint256)
    {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 value)
        public
        virtual
        override
        returns (bool)
    {
        _approve(msg.sender, spender, value);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        require(sender != address(0), "transfer from the zero address");
        require(recipient != address(0), "transfer to the zero address");

        _balances[sender] -= amount;
        _balances[recipient] += amount;

        _allowances[sender][msg.sender] -= amount;
        emit Transfer(sender, recipient, amount);

        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue)
        public
        returns (bool)
    {
        _allowances[msg.sender][spender] += addedValue;
        emit Approval(msg.sender, spender, _allowances[msg.sender][spender]);

        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue)
        public
        returns (bool)
    {
        uint256 currentAllowance = _allowances[msg.sender][spender];
        require(
            currentAllowance >= subtractedValue,
            "decreased allowance below zero"
        );

        _allowances[msg.sender][spender] -= subtractedValue;
        emit Approval(msg.sender, spender, _allowances[msg.sender][spender]);

        return true;
    }

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal {
        _balances[sender] = _balances[sender] - (amount);
        _balances[recipient] = _balances[recipient] + (amount);
        emit Transfer(sender, recipient, amount);
    }

    function _mint(address account, uint256 amount) internal {
        _totalSupply = _totalSupply + (amount);
        _balances[account] = _balances[account] + (amount);
        emit Transfer(address(0), account, amount);
    }

    function _burn(address account, uint256 value) internal {
        _totalSupply = _totalSupply - (value);
        _balances[account] = _balances[account] - (value);
        emit Transfer(account, address(0), value);
    }

    function burn(uint256 _value) public {
        _burn(msg.sender, _value);
    }

    function _approve(
        address owner,
        address spender,
        uint256 value
    ) internal {
        _allowances[owner][spender] = value;
        emit Approval(owner, spender, value);
    }

    function _burnFrom(address account, uint256 amount) internal {
        _burn(account, amount);
        _approve(
            account,
            msg.sender,
            _allowances[account][msg.sender] - (amount)
        );
    }
}

contract ERC20Detailed {
    string private _name;
    string private _symbol;
    uint8 private _decimals;

    constructor(
        string memory __name,
        string memory __symbol,
        uint8 __decimals
    ) {
        _name = __name;
        _symbol = __symbol;
        _decimals = __decimals;
    }

    function name() public view returns (string memory) {
        return _name;
    }

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    function decimals() public view returns (uint8) {
        return _decimals;
    }
}

contract Ownable {
    event OwnershipTransferred(address previousOwner, address newOwner);

    address payable ownerAddress;

    constructor() {
        ownerAddress = payable(msg.sender);
    }

    modifier onlyOwner() {
        require(msg.sender == owner(), "You are not the owner");
        _;
    }

    function owner() public view returns (address) {
        return ownerAddress;
    }

    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0), "Invalid address");
        emit OwnershipTransferred(ownerAddress, newOwner);
        ownerAddress = payable(newOwner);
    }
}

contract test is ERC20, ERC20Detailed, Ownable {
    constructor() ERC20Detailed("tset USDC TOKEN", "test USDC", 6) {
        _mint(msg.sender, (10000000000 * (10**6)));
    }
}