/**
 * SPDX-License-Identifier: MIT
 */
pragma solidity ^0.8.4;

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);
}
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {return msg.sender;}
    function _msgData() internal view virtual returns (bytes calldata) {this; return msg.data;}
}
library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {return a + b;}
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {return a - b;}
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {return a * b;}
    function div(uint256 a, uint256 b) internal pure returns (uint256) {return a / b;}
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {return a % b;}
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked { require(b <= a, errorMessage); return a - b; }
    }
}
library Address {
    function isContract(address account) internal view returns (bool) { uint256 size; assembly { size := extcodesize(account) } return size > 0;}
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");(bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {return functionCall(target, data, "Address: low-level call failed");}
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {return functionCallWithValue(target, data, 0, errorMessage);}
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {return functionCallWithValue(target, data, value, "Address: low-level call with value failed");}
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }
    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) { return returndata; } else {
            if (returndata.length > 0) {
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {revert(errorMessage);}
        }
    }
}
abstract contract Ownable is Context {
    address private _owner;
    address private _previousOwner;
    uint256 private _lockTime;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }
    function owner() public view returns (address) {
        return _owner;
    }
    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
    function getUnlockTime() public view returns (uint256) {
        return _lockTime;
    }
    function lock(uint256 time) public virtual onlyOwner {
        _previousOwner = _owner;
        _owner = address(0);
        _lockTime = block.timestamp + time;
        emit OwnershipTransferred(_owner, address(0));
    }
    function unlock() public virtual {
        require(_previousOwner == msg.sender, "Only the previous owner can unlock onwership");
        require(block.timestamp > _lockTime , "The contract is still locked");
        emit OwnershipTransferred(_owner, _previousOwner);
        _owner = _previousOwner;
    }
}
abstract contract Manageable is Context {
    address private _manager;
    event ManagementTransferred(address indexed previousManager, address indexed newManager);
    constructor(){
        address msgSender = _msgSender();
        _manager = msgSender;
        emit ManagementTransferred(address(0), msgSender);
    }
    function manager() public view returns(address){ return _manager; }
    modifier onlyManager(){
        require(_manager == _msgSender(), "Manageable: caller is not the manager");
        _;
    }
    function transferManagement(address newManager) external virtual onlyManager {
        emit ManagementTransferred(_manager, newManager);
        _manager = newManager;
    }
}
interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);
    function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}
/**
 * Tokenomics:
 * 
 * Redistribution    2%
 * Burn             14%
 * Dev/Marketing     4%
 */

abstract contract Tokenomics {
    
    using SafeMath for uint256;
    
    string internal constant NAME = "CRYPTO PHOENIX";
    string internal constant SYMBOL = "$CPHX";
    
    uint16 internal constant FEES_DIVISOR = 10**3;
    uint8 internal constant DECIMALS = 18;
    uint256 internal constant ZEROES = 10**DECIMALS;
    
    uint256 private constant MAX = ~uint256(0);
    uint256 internal constant TOTAL_SUPPLY = 1000000000000000 * ZEROES;
    uint256 internal _reflectedSupply = (MAX - (MAX % TOTAL_SUPPLY));

    uint256 internal constant maxTransactionAmount = TOTAL_SUPPLY / 40; // 2.5% of the total supply
    
    uint256 internal constant maxWalletBalance = TOTAL_SUPPLY / 20; // 5% of the total supply

    address internal dev1Address = 0x75d9ea6fAfdBEdB2Ce00B76622Aa0DF1B68CaaF6; 
    address internal dev2Address = 0x35EF633803aE3918f37571AF741bC39Ad11e3Eaa; 
    address internal dev3Address = 0xfdAF289C815701d2b1b7b34340af584A9fABD2D8;
    address internal dev4Address = 0x641E8274ce7513e2df215FcAD97515165019C497; 

    address internal burnAddress = 0x0000000000000000000000000000000000000000;

    enum FeeType { Antiwhale, Burn, Rfi, External, ExternalToETH }
    struct Fee {
        FeeType name;
        uint256 value;
        address recipient;
        uint256 total;
    }

    Fee[] internal fees;
    uint256 internal sumOfFees;

    constructor() {
        _addFees();
    }

    function _addFee(FeeType name, uint256 value, address recipient) private {
        fees.push( Fee(name, value, recipient, 0 ) );
        sumOfFees += value;
    }

    function _addFees() private {

        _addFee(FeeType.Rfi, 20, address(this) ); 

        _addFee(FeeType.Burn, 160, burnAddress );
        _addFee(FeeType.External, 10, dev1Address );
        _addFee(FeeType.External, 10, dev2Address );
        _addFee(FeeType.External, 10, dev3Address );
        _addFee(FeeType.External, 10, dev4Address );

    }

    function _getFeesCount() internal view returns (uint256){ return fees.length; }

    function _getFeeStruct(uint256 index) private view returns(Fee storage){
        require( index >= 0 && index < fees.length, "FeesSettings._getFeeStruct: Fee index out of bounds");
        return fees[index];
    }
    function _getFee(uint256 index) internal view returns (FeeType, uint256, address, uint256){
        Fee memory fee = _getFeeStruct(index);
        return ( fee.name, fee.value, fee.recipient, fee.total );
    }
    function _addFeeCollectedAmount(uint256 index, uint256 amount) internal {
        Fee storage fee = _getFeeStruct(index);
        fee.total = fee.total.add(amount);
    }

    function getCollectedFeeTotal(uint256 index) internal view returns (uint256){
        Fee memory fee = _getFeeStruct(index);
        return fee.total;
    }
}

abstract contract Presaleable is Manageable {
    bool internal isInPresale;
    function setPreseableEnabled(bool value) external onlyManager {
        isInPresale = value;
    }
}

abstract contract BaseRfiToken is IERC20, IERC20Metadata, Ownable, Presaleable, Tokenomics {

    using SafeMath for uint256;
    using Address for address;

    mapping (address => uint256) internal _reflectedBalances;
    mapping (address => uint256) internal _balances;
    mapping (address => mapping (address => uint256)) internal _allowances;
    
    mapping (address => bool) internal _isExcludedFromFee;
    mapping (address => bool) internal _isExcludedFromRewards;
    address[] private _excluded;
    constructor(){
        
        _reflectedBalances[owner()] = _reflectedSupply;
        
        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;
        
        _exclude(owner());
        _exclude(address(this));

        emit Transfer(address(0), owner(), TOTAL_SUPPLY);
        
    }
    
        function name() external pure override returns (string memory) { return NAME; }
        function symbol() external pure override returns (string memory) { return SYMBOL; }
        function decimals() external pure override returns (uint8) { return DECIMALS; }
        
        function totalSupply() external pure override returns (uint256) {
            return TOTAL_SUPPLY;
        }
        
        function balanceOf(address account) public view override returns (uint256){
            if (_isExcludedFromRewards[account]) return _balances[account];
            return tokenFromReflection(_reflectedBalances[account]);
        }
        
        function transfer(address recipient, uint256 amount) external override returns (bool){
            _transfer(_msgSender(), recipient, amount);
            return true;
        }
        
        function allowance(address owner, address spender) external view override returns (uint256){
            return _allowances[owner][spender];
        }
    
        function approve(address spender, uint256 amount) external override returns (bool) {
            _approve(_msgSender(), spender, amount);
            return true;
        }
        
        function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool){
            _transfer(sender, recipient, amount);
            _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
            return true;
        }

    function burn(uint256 amount) external {

        address sender = _msgSender();
        require(sender != address(0), "BaseRfiToken: burn from the zero address");
        require(sender != address(burnAddress), "BaseRfiToken: burn from the burn address");

        uint256 balance = balanceOf(sender);
        require(balance >= amount, "BaseRfiToken: burn amount exceeds balance");

        uint256 reflectedAmount = amount.mul(_getCurrentRate());

        _reflectedBalances[sender] = _reflectedBalances[sender].sub(reflectedAmount);
        if (_isExcludedFromRewards[sender])
            _balances[sender] = _balances[sender].sub(amount);

        _burnTokens( sender, amount, reflectedAmount );
    }
    
    function _burnTokens(address sender, uint256 tBurn, uint256 rBurn) internal {

        _reflectedBalances[burnAddress] = _reflectedBalances[burnAddress].add(rBurn);
        if (_isExcludedFromRewards[burnAddress])
            _balances[burnAddress] = _balances[burnAddress].add(tBurn);

        emit Transfer(sender, burnAddress, tBurn);
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }
    
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }
    
    function isExcludedFromReward(address account) external view returns (bool) {
        return _isExcludedFromRewards[account];
    }

    function reflectionFromToken(uint256 tAmount, bool deductTransferFee) external view returns(uint256) {
        require(tAmount <= TOTAL_SUPPLY, "Amount must be less than supply");
        if (!deductTransferFee) {
            (uint256 rAmount,,,,) = _getValues(tAmount,0);
            return rAmount;
        } else {
            (,uint256 rTransferAmount,,,) = _getValues(tAmount,_getSumOfFees(_msgSender(), tAmount));
            return rTransferAmount;
        }
    }

    function tokenFromReflection(uint256 rAmount) internal view returns(uint256) {
        require(rAmount <= _reflectedSupply, "Amount must be less than total reflections");
        uint256 currentRate = _getCurrentRate();
        return rAmount.div(currentRate);
    }
    
    function excludeFromReward(address account) external onlyOwner() {
        require(!_isExcludedFromRewards[account], "Account is not included");
        _exclude(account);
    }
    
    function _exclude(address account) internal {
        if(_reflectedBalances[account] > 0) {
            _balances[account] = tokenFromReflection(_reflectedBalances[account]);
        }
        _isExcludedFromRewards[account] = true;
        _excluded.push(account);
    }

    function includeInReward(address account) external onlyOwner() {
        require(_isExcludedFromRewards[account], "Account is not excluded");
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_excluded[i] == account) {
                _excluded[i] = _excluded[_excluded.length - 1];
                _balances[account] = 0;
                _isExcludedFromRewards[account] = false;
                _excluded.pop();
                break;
            }
        }
    }
    
    function setExcludedFromFee(address account, bool value) external onlyOwner { _isExcludedFromFee[account] = value; }
    function isExcludedFromFee(address account) public view returns(bool) { return _isExcludedFromFee[account]; }
    
    function _approve(address owner, address spender, uint256 amount) internal {
        require(owner != address(0), "BaseRfiToken: approve from the zero address");
        require(spender != address(0), "BaseRfiToken: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }
    
    function _isUnlimitedSender(address account) internal view returns(bool){
        return (account == owner());
    }

    function _isUnlimitedRecipient(address account) internal view returns(bool){
        return (account == owner() || account == burnAddress);
    }

    function _transfer(address sender, address recipient, uint256 amount) private {

        require(sender != address(0), "BaseRfiToken: transfer from the zero address");
        require(recipient != address(0), "BaseRfiToken: transfer to the zero address");
        require(sender != address(burnAddress), "BaseRfiToken: transfer from the burn address");
        require(amount > 0, "Transfer amount must be greater than zero");
        
        bool takeFee = true;

        if ( isInPresale ){ takeFee = false; }
        else {

            if ( amount > maxTransactionAmount && !_isUnlimitedSender(sender) && !_isUnlimitedRecipient(recipient) ){
                revert("Transfer amount exceeds the maxTxAmount.");
            }

            if ( maxWalletBalance > 0 && !_isUnlimitedSender(sender) && !_isUnlimitedRecipient(recipient) && !_isV2Pair(recipient) ){
                uint256 recipientBalance = balanceOf(recipient);
                require(recipientBalance + amount <= maxWalletBalance, "New balance would exceed the maxWalletBalance");
            }
        }

        if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient]){ takeFee = false; }

        _transferTokens(sender, recipient, amount, takeFee);
        
    }

    function _transferTokens(address sender, address recipient, uint256 amount, bool takeFee) private {
    
        uint256 sumOfFees = _getSumOfFees(sender, amount);
        if ( !takeFee ){ sumOfFees = 0; }
        
        (uint256 rAmount, uint256 rTransferAmount, uint256 tAmount, uint256 tTransferAmount, uint256 currentRate ) = _getValues(amount, sumOfFees);
        
        _reflectedBalances[sender] = _reflectedBalances[sender].sub(rAmount);
        _reflectedBalances[recipient] = _reflectedBalances[recipient].add(rTransferAmount);

        if (_isExcludedFromRewards[sender]){ _balances[sender] = _balances[sender].sub(tAmount); }
        if (_isExcludedFromRewards[recipient] ){ _balances[recipient] = _balances[recipient].add(tTransferAmount); }
        
        _takeFees( amount, currentRate, sumOfFees );
        emit Transfer(sender, recipient, tTransferAmount);
    }
    
    function _takeFees(uint256 amount, uint256 currentRate, uint256 sumOfFees ) private {
        if ( sumOfFees > 0 && !isInPresale ){
            _takeTransactionFees(amount, currentRate);
        }
    }
    
    function _getValues(uint256 tAmount, uint256 feesSum) internal view returns (uint256, uint256, uint256, uint256, uint256) {
        
        uint256 tTotalFees = tAmount.mul(feesSum).div(FEES_DIVISOR);
        uint256 tTransferAmount = tAmount.sub(tTotalFees);
        uint256 currentRate = _getCurrentRate();
        uint256 rAmount = tAmount.mul(currentRate);
        uint256 rTotalFees = tTotalFees.mul(currentRate);
        uint256 rTransferAmount = rAmount.sub(rTotalFees);
        
        return (rAmount, rTransferAmount, tAmount, tTransferAmount, currentRate);
    }
    
    function _getCurrentRate() internal view returns(uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply.div(tSupply);
    }
    
    function _getCurrentSupply() internal view returns(uint256, uint256) {
        uint256 rSupply = _reflectedSupply;
        uint256 tSupply = TOTAL_SUPPLY;  

        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_reflectedBalances[_excluded[i]] > rSupply || _balances[_excluded[i]] > tSupply) return (_reflectedSupply, TOTAL_SUPPLY);
            rSupply = rSupply.sub(_reflectedBalances[_excluded[i]]);
            tSupply = tSupply.sub(_balances[_excluded[i]]);
        }
        if (tSupply == 0 || rSupply < _reflectedSupply.div(TOTAL_SUPPLY)) return (_reflectedSupply, TOTAL_SUPPLY);
        return (rSupply, tSupply);
    }
    
    function _getSumOfFees(address sender, uint256 amount) internal view virtual returns (uint256);

    function _isV2Pair(address account) internal view virtual returns(bool);

    function _redistribute(uint256 amount, uint256 currentRate, uint256 fee, uint256 index) internal {
        uint256 tFee = amount.mul(fee).div(FEES_DIVISOR);
        uint256 rFee = tFee.mul(currentRate);

        _reflectedSupply = _reflectedSupply.sub(rFee);
        _addFeeCollectedAmount(index, tFee);
    }

    function _takeTransactionFees(uint256 amount, uint256 currentRate) internal virtual;
}

abstract contract UniHelper is Ownable, Manageable {

    using SafeMath for uint256;

    uint256 private withdrawableBalance;

    enum Env {Testnet, MainnetV2, MainnetV3}
    Env private _env;

    address private _mainnetRouterV2Address = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;

    IUniswapV2Router internal _router;
    address internal _pair;

    uint256 private maxTransactionAmount;

    event RouterSet(address indexed router);

    receive() external payable {}

    function initializeRouterPair(Env env, uint256 maxTx) internal {
        _env = env;
        _setRouterAddress(_mainnetRouterV2Address);

        maxTransactionAmount = maxTx;
    }

    function _setRouterAddress(address router) private {
        IUniswapV2Router _newUniswapRouter = IUniswapV2Router(router);
        _pair = IUniswapV2Factory(_newUniswapRouter.factory()).createPair(address(this), _newUniswapRouter.WETH());
        _router = _newUniswapRouter;
        emit RouterSet(router);
    }

    function setRouterAddress(address router) external onlyManager() {
        _setRouterAddress(router);
    }

    function _approveDelegate(address owner, address spender, uint256 amount) internal virtual;

}

abstract contract Antiwhale is Tokenomics {

    function _getAntiwhaleFees(uint256, uint256) internal view returns (uint256){
        return sumOfFees;
    }
}

abstract contract PhoenixAbstract is BaseRfiToken, UniHelper, Antiwhale {
    
    using SafeMath for uint256;

    constructor(Env _env){

        initializeRouterPair(_env, maxTransactionAmount);

        _exclude(_pair);
        _exclude(burnAddress);
    }
    
    function _isV2Pair(address account) internal view override returns(bool){
        return (account == _pair);
    }

    function _getSumOfFees(address sender, uint256 amount) internal view override returns (uint256){ 
        return _getAntiwhaleFees(balanceOf(sender), amount); 
    }
    
    function _takeTransactionFees(uint256 amount, uint256 currentRate) internal override {
        
        if( isInPresale ){ return; }

        uint256 feesCount = _getFeesCount();
        for (uint256 index = 0; index < feesCount; index++ ){
            (FeeType name, uint256 value, address recipient,) = _getFee(index);
            if ( value == 0 ) continue;

            if ( name == FeeType.Rfi ){
                _redistribute( amount, currentRate, value, index );
            }
            else if ( name == FeeType.Burn ){
                _burn( amount, currentRate, value, index );
            }
            else {
                _takeFee( amount, currentRate, value, recipient, index );
            }
        }
    }

    function _burn(uint256 amount, uint256 currentRate, uint256 fee, uint256 index) private {
        uint256 tBurn = amount.mul(fee).div(FEES_DIVISOR);
        uint256 rBurn = tBurn.mul(currentRate);

        _burnTokens(address(this), tBurn, rBurn);
        _addFeeCollectedAmount(index, tBurn);
    }

    function _takeFee(uint256 amount, uint256 currentRate, uint256 fee, address recipient, uint256 index) private {

        uint256 tAmount = amount.mul(fee).div(FEES_DIVISOR);
        uint256 rAmount = tAmount.mul(currentRate);

        _reflectedBalances[recipient] = _reflectedBalances[recipient].add(rAmount);
        if(_isExcludedFromRewards[recipient])
            _balances[recipient] = _balances[recipient].add(tAmount);

        _addFeeCollectedAmount(index, tAmount);
    }
    
    function _approveDelegate(address owner, address spender, uint256 amount) internal override {
        _approve(owner, spender, amount);
    }
}

contract CRYPTOPHOENIX is PhoenixAbstract{

    constructor() PhoenixAbstract(Env.MainnetV2){
        _approve(owner(),address(_router), ~uint256(0));
    }
}