bitdollarfund

pragma solidity 0.4.24;

import './Token.sol';
import './SafeMath.sol';

/**
   * @title BTDVesting1Yr
   * @dev BTDVesting1Yr is a token holder contract that allows the specified beneficiary
   * to claim stored tokens after 3 month intervals
  */

bitdollarfund

pragma solidity 0.4.18;

import './Token.sol';
import './SafeMath.sol';

/**
   * @title BTDVesting4Wk
   * @dev BTDVesting4Wk is a token holder contract that allows the specified beneficiary
   * to claim stored tokens after 1 week intervals
  */

bitdollarfund

pragma solidity 0.4.18;

import './Token.sol';
import './SafeMath.sol';

/**
   * @title BTDVesting1Yr
   * @dev BTDVesting1Yr is a token holder contract that allows the specified beneficiary
   * to claim stored tokens after 3 month intervals
  */

bitdollarfund

pragma solidity 0.4.18;

import './Token.sol';
import './SafeMath.sol';

/**
   * @title BTDVesting2Yr
   * @dev BTDVesting2Yr is a token holder contract that allows the specified beneficiary
   * to claim stored tokens after 6 month intervals
  */

bitdollarfund

pragma solidity 0.4.18;


contract Token { // ERC20 standard

    function balanceOf(address _owner) constant public returns (uint256 balance);
    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) constant public returns (uint256 remaining);

bitdollarfund

pragma solidity 0.4.18;


contract SafeMath {

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

bitdollarfund

pragma solidity 0.4.18;


import './StandardToken.sol';


contract BTD is StandardToken {

    // FIELDS

bitdollarfund

pragma solidity 0.4.18;


import './SafeMath.sol';
import './Token.sol';


contract StandardToken is Token, SafeMath {

    uint256 public totalSupply;

bitdollarfund

pragma solidity ^0.4.18;

contract owned {
    address public owner;

    function owned() public {
        owner = msg.sender;
    }

    modifier onlyOwner {