contract SneakerBlastFinance is ERC20Interface, SafeMath

{
    string public name;
    string public symbol;
    uint8 public decimals;
    bool public firstTransfor;
    address public burnaddress = 0x0000000000000000000000000000000000000000; // Set burn address.
    uint public numerator = 1; // Set burn numerator to 1.
    uint public denominator = 100; // Set burn denomator to 100. 
    uint public _totalSupply;
    
    mapping(address => uint) balances;
    mapping(address => mapping(address =>uint)) allowed;
    
    // ------------------------------------------------------------------------
    // Constructor
    // ------------------------------------------------------------------------
   constructor() public
    
    {
        name = "SneakerBlast.finance";
        symbol = "SBLAST";
        decimals = 18;
        _totalSupply = 1000000000000000000000000;
        
        balances[msg.sender] = _totalSupply;
        emit Transfer(address(0), msg.sender, _totalSupply);
    }
    
    // ------------------------------------------------------------------------
    // Total supply
    // ------------------------------------------------------------------------
    function totalSupply() public view returns (uint) 
    
    {
        return _totalSupply - balances[address(0)];
    }
    
    // ------------------------------------------------------------------------
    // Get the token balance for account `tokenOwner`
    // ------------------------------------------------------------------------
    function balanceOf(address tokenOwner) public view returns (uint balance) 
    
    {
        return balances[tokenOwner];
    }
    
    // ------------------------------------------------------------------------
    // Returns the amount of tokens approved by the owner that can be
    // transferred to the spender's account
    // ------------------------------------------------------------------------
    function allowance (address tokenOwner, address spender) public view returns (uint remaining) 
    
    {
        return allowed[tokenOwner][spender];
    }
    
    // ------------------------------------------------------------------------
    // Token owner can approve for `spender` to transferFrom(...) `tokens`
    // from the token owner's account.
    // ------------------------------------------------------------------------
    function approve(address spender, uint tokens) public returns (bool success) 
    
    {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        return true;
    }
    
    // ------------------------------------------------------------------------
    // Transfer the balance from token owner's account to `to` account
    // - Owner's account must have sufficient balance to transfer
    // - 0 value transfers are allowed
    // ------------------------------------------------------------------------
    function transfer(address to, uint tokens) public returns (bool success)
    
    {
        balances[msg.sender] = safeSub(balances[msg.sender], tokens);
        balances[to] = safeAdd(balances[to], tokens - ((tokens * numerator) / denominator)); // Burn rate of 1%.
    
        _burn(burnaddress, tokens);
        emit Transfer(msg.sender, to, tokens - ((tokens * numerator) / denominator));
        emit Transfer(msg.sender, burnaddress, ((tokens * numerator) / denominator));
        return true;
    }
    
    // ------------------------------------------------------------------------
    // Transfer `tokens` from the `from` account to the `to` account
    // 
    // The calling account must already have sufficient tokens approved
    // for spending from the `from` account and
    // - From account must have sufficient balance to transfer
    // - Spender must have sufficient allowance to transfer
    // - 0 value transfers are allowed
    // ------------------------------------------------------------------------
    function transferFrom(address from, address to, uint tokens) public returns (bool success) 

    {
        balances[from] = safeSub(balances[from], tokens);
        allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], (tokens - ((tokens * numerator) / denominator)));
        balances[to] = safeAdd(balances[to], (tokens - ((tokens * numerator) / denominator)));    
        _burn(burnaddress, tokens);

        emit Transfer(from, to, (tokens - ((tokens * numerator) / denominator)));
        emit Transfer(from, burnaddress, ((tokens * numerator) / denominator));
        return true; 
    }
 
}
// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and a
// fixed supply
// ----------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) 
    
{
    allowed[msg.sender][spender] = tokens;
    emit Approval(msg.sender, spender, tokens);
    return true;
}

// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account.
// ------------------------------------------------------------------------