Contract Source Code (Solidity)

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• library SafeMath256
•    - function mul(uint256 a, uint256 b)
•    - function div(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b)
•    - function add(uint256 a, uint256 b)
•    - function pow(uint256 a, uint256 b)
•  contract Ownable
•    - function _validateAddress(address _ad ...
•    - function transferOwnership(address ne ...
•  contract Controllable is Ownable
•    - function _isController(address _contr ...
•    - function _setControllers(address[] _c ...
•  contract Upgradable is Controllabl ...
•    - function getInternalDependencies()
•    - function getExternalDependencies()
•    - function setInternalDependencies(addr ...
•    - function setExternalDependencies(addr ...
•  contract ERC20
•    - function balanceOf(address)
•    - function transfer(address, uint256)
•  contract Gold is ERC20
•    - function remoteTransfer(address _to, ...
•    - function burn(uint256 _value)
•  contract Treasury is Upgradable *
•    - function giveGold(address _user, uint ...
•    - function takeGold(uint256 _amount)
•    - function burnGold(uint256 _amount)
•    - function remainingGold()
•    - function setInternalDependencies(addr ...
•    - function migrate(address _newAddress)

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/**
 *Submitted for verification at Etherscan.io on 2018-11-29
*/

pragma solidity 0.4.25;

library SafeMath256 {

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }
        uint256 c = a * b;
        assert(c / a == b);
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        assert(b <= a);
        return a - b;
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        assert(c >= a);
        return c;
    }

    function pow(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        if (b == 0) return 1;

        uint256 c = a ** b;
        assert(c / (a ** (b - 1)) == a);
        return c;
    }
}

contract Ownable {
    address public owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    function _validateAddress(address _addr) internal pure {
        require(_addr != address(0), "invalid address");
    }

    constructor() public {
        owner = msg.sender;
    }

    modifier onlyOwner() {
        require(msg.sender == owner, "not a contract owner");
        _;
    }

    function transferOwnership(address newOwner) public onlyOwner {
        _validateAddress(newOwner);
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }

}

contract Controllable is Ownable {
    mapping(address => bool) controllers;

    modifier onlyController {
        require(_isController(msg.sender), "no controller rights");
        _;
    }

    function _isController(address _controller) internal view returns (bool) {
        return controllers[_controller];
    }

    function _setControllers(address[] _controllers) internal {
        for (uint256 i = 0; i < _controllers.length; i++) {
            _validateAddress(_controllers[i]);
            controllers[_controllers[i]] = true;
        }
    }
}

contract Upgradable is Controllable {
    address[] internalDependencies;
    address[] externalDependencies;

    function getInternalDependencies() public view returns(address[]) {
        return internalDependencies;
    }

    function getExternalDependencies() public view returns(address[]) {
        return externalDependencies;
    }

    function setInternalDependencies(address[] _newDependencies) public onlyOwner {
        for (uint256 i = 0; i < _newDependencies.length; i++) {
            _validateAddress(_newDependencies[i]);
        }
        internalDependencies = _newDependencies;
    }

    function setExternalDependencies(address[] _newDependencies) public onlyOwner {
        externalDependencies = _newDependencies;
        _setControllers(_newDependencies);
    }
}

contract ERC20 {
    function balanceOf(address) public view returns (uint256) {}
    function transfer(address, uint256) public returns (bool) {}
}

contract Gold is ERC20 {
    function remoteTransfer(address _to, uint256 _value) external {}
    function burn(uint256 _value) external {}
}




//////////////CONTRACT//////////////




contract Treasury is Upgradable {
    using SafeMath256 for uint256;

    Gold goldTokens;

    uint256 constant GOLD_DECIMALS = 10 ** 18;
    uint256 constant public hatchingPrice = 1000 * GOLD_DECIMALS;

    function giveGold(address _user, uint256 _amount) external onlyController {
        goldTokens.transfer(_user, _amount);
    }

    function takeGold(uint256 _amount) external onlyController {
        goldTokens.remoteTransfer(this, _amount);
    }

    function burnGold(uint256 _amount) external onlyController {
        goldTokens.burn(_amount);
    }

    function remainingGold() external view returns (uint256) {
        return goldTokens.balanceOf(this);
    }

    // UPDATE CONTRACT

    function setInternalDependencies(address[] _newDependencies) public onlyOwner {
        super.setInternalDependencies(_newDependencies);

        goldTokens = Gold(_newDependencies[0]);
    }

    function migrate(address _newAddress) public onlyOwner {
        goldTokens.transfer(_newAddress, goldTokens.balanceOf(this));
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

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