Code tạo token thông qua smartcontract

//code chạy qua remix.ethereum.org
lfttree
ootri0x2e87573EF8DE3a2C1366Fb9602e586CF0540Dc3Bj


 // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract SimpleToken {
    string public name;
    string public symbol;
    uint8 public decimals;
    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;
    mapping(address => mapping(address => uint256)) public allowance;

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

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals,
        uint256 _initialSupply
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
        totalSupply = _initialSupply * (10**uint256(_decimals));
        balanceOf[msg.sender] = totalSupply;
    }

    function transfer(address _to, uint256 _value) external returns (bool) {
        require(_to != address(0), "Invalid recipient address");
        require(_value <= balanceOf[msg.sender], "Insufficient balance");

        balanceOf[msg.sender] -= _value;
        balanceOf[_to] += _value;

        emit Transfer(msg.sender, _to, _value);

        return true;
    }

    function approve(address _spender, uint256 _value) external returns (bool) {
        allowance[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
        return true;
    }

    function transferFrom(address _from, address _to, uint256 _value) external returns (bool) {
        require(_from != address(0), "Invalid sender address");
        require(_to != address(0), "Invalid recipient address");
        require(_value <= balanceOf[_from], "Insufficient balance");
        require(_value <= allowance[_from][msg.sender], "Insufficient allowance");

        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;
        allowance[_from][msg.sender] -= _value;

        emit Transfer(_from, _to, _value);

        return true;
    }
}


//lastest update on date 06.03.2024