/**
 *Submitted for verification at Etherscan.io on 2019-12-02
*/

pragma solidity ^0.4.8;

   

interface ERC20Interface {

   

    function totalSupply() constant returns (uint256 totalSupply) ;

       

    function balanceOf(address _owner) constant returns (uint256 balance);

       

    function transfer(address _to, uint256 _value) returns (bool success);

       

    function transferFrom(address _from, address _to, uint256 _value) returns (bool success);

       

    function approve(address _spender, uint256 _value) returns (bool success);

       

    function allowance(address _owner, address _spender) constant returns (uint256 remaining);

       

    event Transfer(address indexed _from, address indexed _to, uint256 _value);

       

    event Approval(address indexed _owner, address indexed _spender, uint256 _value);

       

 }

     

 contract SWC is ERC20Interface {

      string public constant symbol = "SWC";

      string public constant name = "Swear Chain";

      uint8 public constant decimals = 8;

      uint256 _totalSupply = 88000000000000000;

    

      address public owner;

      

      mapping(address => uint256) balances;

      

    

      mapping(address => mapping (address => uint256)) allowed;

      

         

      modifier onlyOwner() {

          if (msg.sender != owner) {

              throw;

          }

          _;

      }

      

      function SWC() {

          owner = msg.sender;

          balances[owner] = _totalSupply;

      }

      

      function totalSupply() constant returns (uint256 totalSupply) {

          totalSupply = _totalSupply;

      }

      

      function balanceOf(address _owner) constant returns (uint256 balance) {

          return balances[_owner];

      }

      

      function transfer(address _to, uint256 _amount) returns (bool success) {

          if (balances[msg.sender] >= _amount 

              && _amount > 0

              && balances[_to] + _amount > balances[_to]) {

              balances[msg.sender] -= _amount;

              balances[_to] += _amount;

              Transfer(msg.sender, _to, _amount);

              return true;

          } else {

              return false;

          }

      }

      

      function transferFrom(

          address _from,

          address _to,

          uint256 _amount

     ) returns (bool success) {

         if (balances[_from] >= _amount

             && allowed[_from][msg.sender] >= _amount

             && _amount > 0

             && balances[_to] + _amount > balances[_to]) {

             balances[_from] -= _amount;

             allowed[_from][msg.sender] -= _amount;

             balances[_to] += _amount;

             Transfer(_from, _to, _amount);

             return true;

         } else {

             return false;

         }

     }

   

     function approve(address _spender, uint256 _amount) returns (bool success) {

         allowed[msg.sender][_spender] = _amount;

         Approval(msg.sender, _spender, _amount);

         return true;

     }

     

     function allowance(address _owner, address _spender) constant returns (uint256 remaining) {

         return allowed[_owner][_spender];

     }

 }