Pinky Swear

// SPDX-License-Identifier: Unlicensed

// Contract created by: Service Bridge https://serbridge.com/
// SerBridge LinkTree with project updates https://linktr.ee/serbridge

pragma solidity ^0.6.12;


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

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);
}

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        uint256 c = a - b;

        return c;
    }

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

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        uint256 c = a / b;

        return c;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b != 0, "SafeMath: modulo by zero");
        return a % b;
    }
}


contract PinkySwear is Context, IERC20 {
    using SafeMath for uint256;

    mapping (address => uint256) private _rOwned;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExcludedFromReward;

    uint256 private constant MAX = ~uint256(0);
    uint256 private constant _tTotal = 200000000000 * 10**9;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _tFeeTotal;

    string private constant _name = 'Pinky Swear';
    string private constant _symbol = 'PSWEAR';
    uint8 private constant _decimals = 9;

    constructor () public {
        _rOwned[_msgSender()] = _rTotal;
        // Exclude the deployer or any other addresses here
        _isExcludedFromReward[_msgSender()] = true;
        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    function name() public pure returns (string memory) {
    return "Pinky Swear";
    }

    function symbol() public pure returns (string memory) {
    return "PSWEAR";
    }

    function decimals() public pure returns (uint8) {
    return 9;
    }

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

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

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

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

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

    function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
        require(rAmount <= _rTotal, "Amount must be less than total reflections");
        uint256 currentRate =  _getRate();
        return rAmount.div(currentRate);
    }

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

    function _transfer(address sender, address recipient, uint256 amount) private {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");

        uint256 tFee = 0;
        if (!_isExcludedFromReward[sender] && !_isExcludedFromReward[recipient]) {
            tFee = amount.div(20); // 5% Reflection Fee for distribution
        }
        uint256 tTransferAmount = amount.sub(tFee);
        uint256 rFee = tFee.mul(_getRate());
        uint256 rTransferAmount = amount.mul(_getRate()).sub(rFee);

        _rOwned[sender] = _rOwned[sender].sub(amount.mul(_getRate()));
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);       
        _reflectFee(rFee, tFee);

        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _reflectFee(uint256 rFee, uint256 tFee) private {
        _rTotal = _rTotal.sub(rFee);
        _tFeeTotal = _tFeeTotal.add(tFee);
    }

    function _getRate() private view returns(uint256) {
        return _rTotal.div(_tTotal);
    }

    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);
    }

    // Add functions to exclude/include in reward
    function excludeFromReward(address account) public onlyOwner() {
        _isExcludedFromReward[account] = true;
    }

    function includeInReward(address account) public onlyOwner() {
        _isExcludedFromReward[account] = false;
    }

    // Add helper function to check if an address is excluded
    function isExcludedFromReward(address account) public view returns (bool) {
        return _isExcludedFromReward[account];
    }

    // Add owner modifier for onlyOwner functions
    address private _owner;

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Caller is not the owner");
        _;
    }
}

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