pragma solidity 0.4.26;

contract ERC20 {
  uint public totalSupply;
  function balanceOf(address who) constant returns (uint);
  function allowance(address owner, address spender) constant returns (uint);
  function transfer(address to, uint value) returns (bool ok);
  function transferFrom(address from, address to, uint value) returns (bool ok);
  function approve(address spender, uint value) returns (bool ok);
  event Transfer(address indexed from, address indexed to, uint value);
  event Approval(address indexed owner, address indexed spender, uint value);
}


contract Ownable {
  address public owner;

  function Ownable() {
    owner = msg.sender;
  }

  modifier onlyOwner() {
    if (msg.sender == owner)
      _;
  }

  function transferOwnership(address newOwner) onlyOwner {
    if (newOwner != address(0)) owner = newOwner;
  }

}


contract TokenSpender {
    function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData);
}

contract SafeMath {
  function safeMul(uint a, uint b) internal returns (uint) {
    uint c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

  function safeDiv(uint a, uint b) internal returns (uint) {
    assert(b > 0);
    uint c = a / b;
    assert(a == b * c + a % b);
    return c;
  }

  function safeSub(uint a, uint b) internal returns (uint) {
    assert(b <= a);
    return a - b;
  }

  function safeAdd(uint a, uint b) internal returns (uint) {
    uint c = a + b;
    assert(c>=a && c>=b);
    return c;
  }

  function max64(uint64 a, uint64 b) internal constant returns (uint64) {
    return a >= b ? a : b;
  }

  function min64(uint64 a, uint64 b) internal constant returns (uint64) {
    return a < b ? a : b;
  }

  function max256(uint256 a, uint256 b) internal constant returns (uint256) {
    return a >= b ? a : b;
  }

  function min256(uint256 a, uint256 b) internal constant returns (uint256) {
    return a < b ? a : b;
  }

  function assert(bool assertion) internal {
    if (!assertion) {
      throw;
    }
  }
}


contract AFFS is ERC20, SafeMath, Ownable {

  
  string public name;       
  string public symbol;
  uint8 public decimals;    
  uint public initialSupply;
  string public version = 'V 2.0.0'; 
  uint public totalSupply;
  bool public locked;
  uint256 public unitsOneEthCanBuy;     
  uint256 public totalEthInWei;         
  address public fundsWallet; 
  

  mapping(address => uint) balances;
  mapping (address => mapping (address => uint)) allowed;

  modifier onlyUnlocked() {
    if (msg.sender != owner && locked) throw;
    _;
  }


  function AFFS() {

    locked = true;
    initialSupply = 5000000000000000000000000;
    totalSupply = initialSupply;
    balances[msg.sender] = initialSupply;                   
    name = 'Aggregator Financial Funding System';            
    symbol = 'AFFS';                        
    decimals = 18;
    fundsWallet = msg.sender; 
    unitsOneEthCanBuy = 2500; 
  }

    function() public payable{
        totalEthInWei = totalEthInWei + msg.value;
        uint256 amount = msg.value * unitsOneEthCanBuy;
        require(balances[fundsWallet] >= amount);
        balances[fundsWallet] = balances[fundsWallet] - amount;
        balances[msg.sender] = balances[msg.sender] + amount;
        Transfer(fundsWallet, msg.sender, amount); 
        fundsWallet.transfer(msg.value);                             
    }

  function lock() onlyOwner {
    locked = true;
  }
  function unlock() onlyOwner {
    locked = false;
  }

  function burn(uint256 _value) returns (bool){
    balances[msg.sender] = safeSub(balances[msg.sender], _value) ;
    totalSupply = safeSub(totalSupply, _value);
    Transfer(msg.sender, 0x0, _value);
    return true;
  }
  function transfer(address _to, uint _value) onlyUnlocked returns (bool) {
    balances[msg.sender] = safeSub(balances[msg.sender], _value);
    balances[_to] = safeAdd(balances[_to], _value);
    Transfer(msg.sender, _to, _value);
    return true;
  }
  function transferFrom(address _from, address _to, uint _value) onlyUnlocked returns (bool) {
    var _allowance = allowed[_from][msg.sender];
    
    balances[_to] = safeAdd(balances[_to], _value);
    balances[_from] = safeSub(balances[_from], _value);
    allowed[_from][msg.sender] = safeSub(_allowance, _value);
    Transfer(_from, _to, _value);
    return true;
  }
  function balanceOf(address _owner) constant returns (uint balance) {
    return balances[_owner];
  }
  function approve(address _spender, uint _value) returns (bool) {
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }
  function approveAndCall(address _spender, uint256 _value, bytes _extraData){    
      TokenSpender spender = TokenSpender(_spender);
      if (approve(_spender, _value)) {
          spender.receiveApproval(msg.sender, _value, this, _extraData);
      }
  }
  function allowance(address _owner, address _spender) constant returns (uint remaining) {
    return allowed[_owner][_spender];
  }
}

{
  "compilationTarget": {
    "AFFS.sol": "AFFS"
  },
  "evmVersion": "byzantium",
  "libraries": {},
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}