// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

contract BasedHoppy {
    string public name = "Based Hoppy";
    string public symbol = "HOPPY";
    uint8 public decimals = 18;
    uint256 public totalSupply;
    address public owner;
    address public taxWallet;
    uint256 public transactionTax = 0; // Initially 0%

    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 tokenOwner, address indexed spender, uint256 value);
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    event TaxWalletUpdated(address indexed previousTaxWallet, address indexed newTaxWallet);
    event TransactionTaxUpdated(uint256 previousTax, uint256 newTax);

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

    constructor() {
        owner = msg.sender;
        taxWallet = msg.sender;
        totalSupply = 1_000_000_000_000 * 10**uint256(decimals);
        balanceOf[msg.sender] = totalSupply;
        emit Transfer(address(0), msg.sender, totalSupply);
    }

    function renounceOwnership() public onlyOwner {
        emit OwnershipTransferred(owner, address(0));
        owner = address(0);
    }

    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0), "New owner is the zero address");
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }

    function setTaxWallet(address _taxWallet) public onlyOwner {
        require(_taxWallet != address(0), "New tax wallet is the zero address");
        emit TaxWalletUpdated(taxWallet, _taxWallet);
        taxWallet = _taxWallet;
    }

    function setTransactionTax(uint256 _transactionTax) public onlyOwner {
        require(_transactionTax <= 100, "Transaction tax cannot exceed 100%");
        emit TransactionTaxUpdated(transactionTax, _transactionTax);
        transactionTax = _transactionTax;
    }

    function transfer(address to, uint256 value) public returns (bool) {
        uint256 taxAmount = value * transactionTax / 100;
        uint256 netAmount = value - taxAmount;

        _transfer(msg.sender, to, netAmount);
        if (taxAmount > 0) {
            _transfer(msg.sender, taxWallet, taxAmount);
        }
        return true;
    }

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

    function transferFrom(address from, address to, uint256 value) public returns (bool) {
        require(allowance[from][msg.sender] >= value, "Allowance too low");
        allowance[from][msg.sender] -= value;

        uint256 taxAmount = value * transactionTax / 100;
        uint256 netAmount = value - taxAmount;

        _transfer(from, to, netAmount);
        if (taxAmount > 0) {
            _transfer(from, taxWallet, taxAmount);
        }
        return true;
    }

    function _transfer(address from, address to, uint256 value) internal {
        require(to != address(0), "Transfer to the zero address");
        require(balanceOf[from] >= value, "Balance too low");

        balanceOf[from] -= value;
        balanceOf[to] += value;

        emit Transfer(from, to, value);
    }

    receive() external payable {}

    function _approve(address tokenOwner, address spender, uint256 amount) internal {
        require(tokenOwner != address(0), "Approve from the zero address");
        require(spender != address(0), "Approve to the zero address");

        allowance[tokenOwner][spender] = amount;
        emit Approval(tokenOwner, spender, amount);
    }
}

{
  "compilationTarget": {
    "H3.sol": "BasedHoppy"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}