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 contract ERC20Interface    - function transfer(address _to, uint25 ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...  contract FXX_contract is ERC20Inte ... *    - function transfer(address _to, uint25 ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...

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/**
 *Submitted for verification at Etherscan.io on 2019-11-23
*/

pragma solidity ^0.5.2;
contract ERC20Interface {
  string public name;
  string public symbol;
  uint8 public decimals;
  uint public totalSupply;

  function transfer(address _to, uint256 _value) public returns (bool success);
  function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
  function approve(address _spender, uint256 _value) public returns (bool success);
  function allowance(address _owner, address _spender) public view returns (uint256 remaining);

  event Transfer(address indexed _from, address indexed _to, uint256 _value);
  event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}

contract FXX_contract is ERC20Interface {
  mapping (address => uint256) public balanceOf;
  mapping (address => mapping (address => uint256) ) internal allowed;

  constructor() public {
    name = "super cash";
    symbol = "SC";
    decimals = 7;
    // 
    totalSupply = 200000000000000000;
    balanceOf[msg.sender] = totalSupply;
  }

  function transfer(address _to, uint256 _value) public returns (bool success){
    require(_to != address(0));
    require(balanceOf[msg.sender] >= _value);
    require(balanceOf[_to] + _value >= balanceOf[_to]);

    balanceOf[msg.sender] -= _value;
    balanceOf[_to] += _value;
    emit Transfer(msg.sender, _to, _value);
    success = true;
  }

  function transferFrom(address _from, address _to, uint256 _value) public returns (bool success){
    require(_to != address(0));
    require(balanceOf[_from] >= _value);
    require(allowed[_from][msg.sender]  >= _value);
    require(balanceOf[_to] + _value >= balanceOf[_to]);

    balanceOf[_from] -= _value;
    balanceOf[_to] += _value;
    allowed[_from][msg.sender] -= _value;
    emit Transfer(_from, _to, _value);
    success = true;
  }

  function approve(address _spender, uint256 _value) public returns (bool success){
      require((_value == 0)||(allowed[msg.sender][_spender] == 0));
      allowed[msg.sender][_spender] = _value;
      emit Approval(msg.sender, _spender, _value);
      success = true;
  }

  function allowance(address _owner, address _spender) public view returns (uint256 remaining){
    return allowed[_owner][_spender];
  }
}

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