Super 💗 market 💗

[spoco144-cloud]

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

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

contract JLOBToken is ERC20, Ownable {

uint256 public transferFee = 100; // 1% (100 = 1%, 10000 = 100%)
uint256 public constant MAX_FEE = 500; // 5% كحد أقصى

address public feeWallet;

event FeeUpdated(uint256 newFee);
event FeeWalletUpdated(address newWallet);

constructor(address _feeWallet)
    ERC20("Jin Lobster Digital", "JLOB")
    Ownable(msg.sender)
{
    require(_feeWallet != address(0), "Invalid fee wallet");

    feeWallet = _feeWallet;

    uint256 initialSupply = 1_000_000_000 * 10 ** decimals();

    _mint(msg.sender, initialSupply);
}

function setFee(uint256 newFee) external onlyOwner {
    require(newFee <= MAX_FEE, "Fee too high");
    transferFee = newFee;
    emit FeeUpdated(newFee);
}

function setFeeWallet(address newWallet) external onlyOwner {
    require(newWallet != address(0), "Invalid address");
    feeWallet = newWallet;
    emit FeeWalletUpdated(newWallet);
}

function _update(
    address from,
    address to,
    uint256 amount
) internal override {

    if (

        from == address(0) ||
        to == address(0) ||
        transferFee == 0
    ) {
        super._update(from, to, amount);
        return;
    }

    uint256 feeAmount = (amount * transferFee) / 10000;
    uint256 sendAmount = amount - feeAmount;

    super._update(from, feeWallet, feeAmount);
    super._update(from, to, sendAmount);
}

}