/**
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 * 
 * "There's no point in saving the world if it means losing the moon." - Tom Robbins
 * TG: https://t.me/antisav3
 * 
 * A word of caution. These are all degen tokens so please do your own research before jumping in.
 * Understand risk vs reward. Weigh them both and if reward is better, come join.
 * 
 * As for how I do things, I operate on a solo mission. No marketing fund so I don't entertain marketers / shillers / etc
 * Unless explicitly stated, there won't be any presale. Just straight up listing on uniswap and unicrypt lock.
 * 
 * If you want to follow when I release a new degen token you can do so via this TG: https://t.me/degendeployers
 * 
 * Now bug off.
 */

pragma solidity ^0.5.0;


// IERC20 Interface
interface IERC20 
{
    function totalSupply() external view returns (uint256);
    function balanceOf(address who) external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function transfer(address to, uint256 value) external returns (bool);
    function approve(address spender, uint256 value) external returns (bool);
    function transferFrom(address from, address to, uint256 value) external returns (bool);
    
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SafeMath Library
library SafeMath 
{
    function mul(uint256 a, uint256 b) internal pure returns (uint256) 
    {
        if (a == 0) 
        {
          return 0;
        }
        
        uint256 c = a * b;
        assert(c / a == b);
        return c;
    }
    
    function div(uint256 a, uint256 b) internal pure returns (uint256) 
    {
        uint256 c = a / b;
        return c;
    }
    
    function sub(uint256 a, uint256 b) internal pure returns (uint256) 
    {
        assert(b <= a);
        return a - b;
    }
    
    function add(uint256 a, uint256 b) internal pure returns (uint256) 
    {
        uint256 c = a + b;
        assert(c >= a);
        return c;
    }
    
    function ceil(uint256 a, uint256 m) internal pure returns (uint256) 
    {
        uint256 c = add(a,m);
        uint256 d = sub(c,1);
        return mul(div(d,m),m);
    }
}

// ERC20Detailed
contract ERC20Detailed is IERC20 
{

    string private _name;
    string private _symbol;
    uint8 private _decimals;
    
    constructor(string memory name, string memory symbol, uint8 decimals) public 
    {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }
    
    function name() public view returns(string memory)
    {
        return _name;
    }
    
    function symbol() public view returns(string memory)
    {
        return _symbol;
    }
    
    function decimals() public view returns(uint8) 
    {
        return _decimals;
    }
}

contract AntiSav3 is ERC20Detailed {

    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowed;
    
    address deployerWallet = 0x9238450d03098C65e6e5F19B5b3A663dA2eB0843;
    string constant tokenName = "https://t.me/antisav3";
    string constant tokenSymbol = "ANTISAV3";
    uint256 public startDate;
    uint8  constant tokenDecimals = 18;
    // Initial Supply: 28,571
    // After listing: 20,000
    uint256 _totalSupply = 28571 * (10 ** 18); 
    uint256 public basePercent = 300;
    
    constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) 
    {
        _mint(msg.sender, _totalSupply);
    }
    
    function totalSupply() public view returns (uint256) 
    {
        return _totalSupply;
    }
    
    function balanceOf(address owner) public view returns (uint256) 
    {
        return _balances[owner];
    }
    
    function allowance(address owner, address spender) public view returns (uint256) 
    {
        return _allowed[owner][spender];
    }
    
    // Burn 30% 	
    function findOnePercent(uint256 value) public view returns (uint256)  
    {
        uint256 roundValue = value.ceil(basePercent);
        uint256 onePercent = roundValue.mul(basePercent).div(1000);
        return onePercent;
    }
    
    
    function transfer(address to, uint256 value) public returns (bool) 
    {
        // Check that value being sent is less than or equal to what sender's balance is
        require(value <= _balances[msg.sender]);
        // Check that it's not being sent to burn address
        require(to != address(0)); 
        
        // If Sender is Deployer (No Fees)
        if (msg.sender == deployerWallet) 
        {
            uint256 tokensToTransfer = value;
        
            _balances[msg.sender] = _balances[msg.sender].sub(value);
            _balances[to] = _balances[to].add(tokensToTransfer);
        
            emit Transfer(msg.sender, to, tokensToTransfer);
            return true;
        } 
    
        else 
        {
            uint256 tokensToBurn = findOnePercent(value);
            uint256 tokensToTransfer = value.sub(tokensToBurn);
        
            _balances[msg.sender] = _balances[msg.sender].sub(value);
            _balances[to] = _balances[to].add(tokensToTransfer);
        
            _totalSupply = _totalSupply.sub(tokensToBurn);
        
            emit Transfer(msg.sender, to, tokensToTransfer);
            emit Transfer(msg.sender, address(0), tokensToBurn);
            return true;
        }
    }
    
    function multiTransfer(address[] memory receivers, uint256[] memory amounts) public
    {
        for (uint256 i = 0; i < receivers.length; i++) 
        {
          transfer(receivers[i], amounts[i]);
        }
    }
    
    function approve(address spender, uint256 value) public returns (bool) 
    {
        require(spender != address(0));
        _allowed[msg.sender][spender] = value;
        emit Approval(msg.sender, spender, value);
        return true;
    }
    
    function transferFrom(address from, address to, uint256 value) public returns (bool) 
    {
        require(value <= _balances[from]);
        require(value <= _allowed[from][msg.sender]);
        require(to != address(0));
        
        // If Sender is deployer (No Fees)
        if (msg.sender == deployerWallet) 
        {
            _balances[from] = _balances[from].sub(value);
        
            uint256 tokensToTransfer = value;
            _balances[to] = _balances[to].add(tokensToTransfer);
        
            _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
        
            emit Transfer(from, to, tokensToTransfer);
            return true;
        }
        
        else 
        {
            _balances[from] = _balances[from].sub(value);
        
            uint256 tokensToBurn = findOnePercent(value);
            uint256 tokensToTransfer = value.sub(tokensToBurn);
        
            _balances[to] = _balances[to].add(tokensToTransfer);
            _totalSupply = _totalSupply.sub(tokensToBurn);
        
            _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
        
            emit Transfer(from, to, tokensToTransfer);
            emit Transfer(from, address(0), tokensToBurn);
        
            return true;
        }
}
    
    function increaseAllowance(address spender, uint256 addedValue) public returns (bool) 
    {
        require(spender != address(0));
        _allowed[msg.sender][spender] = (_allowed[msg.sender][spender].add(addedValue));
        emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
        return true;
    }
    
    function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) 
    {
        require(spender != address(0));
        _allowed[msg.sender][spender] = (_allowed[msg.sender][spender].sub(subtractedValue));
        emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
        return true;
    }
    
    function _mint(address account, uint256 amount) internal 
    {
        require(amount != 0);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }
    
    function burn(uint256 amount) external 
    {
    _burn(msg.sender, amount);
    }
    
    function _burn(address account, uint256 amount) internal
    {
            require(amount != 0);
            require(amount <= _balances[account]);
            _totalSupply = _totalSupply.sub(amount);
            _balances[account] = _balances[account].sub(amount);
            emit Transfer(account, address(0), amount);
    }
    
    function burnFrom(address account, uint256 amount) external 
    {
        require(amount <= _allowed[account][msg.sender]);
        _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(amount);
        _burn(account, amount);
    }
}