Nexarion (NEX)

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

contract Nexarion {
    string public name = "Nexarion";
    string public symbol = "NEX";
    uint8 public decimals = 12;
    uint256 public totalSupply;

    address public owner;

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

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

    constructor() {
        owner = msg.sender;
        totalSupply = 1_000_000_000 * 10 ** decimals;
        balanceOf[msg.sender] = totalSupply;
    }

    function transfer(address _to, uint256 _value) public returns (bool success) {
        require(balanceOf[msg.sender] >= _value, "Saldo insuficiente");
uint256 burnAmount = _value / 100; // 1% burn
        uint256 sendAmount = _value - burnAmount;

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

        emit Burn(msg.sender, burnAmount);
        emit Transfer(msg.sender, _to, sendAmount);

        return true;
    }

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

    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        require(_value <= balanceOf[_from], "Saldo insuficiente");
        require(_value <= allowance[_from][msg.sender], "Sem autorizacao");

        uint256 burnAmount = _value / 100; // 1% burn
        uint256 sendAmount = _value - burnAmount;

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

        emit Burn(_from, burnAmount);
        emit Transfer(_from, _to, sendAmount);

        return true;
    }

    // Criador: Cleyton Gonçalves - CEO e Desenvolvedor do token Nexarion
}