// Vulnerability label: DC1
// File: contracts\modules\Ownable.sol

pragma solidity =0.5.16;

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable {
    address internal _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() internal {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), _owner);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(isOwner(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return msg.sender == _owner;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     */
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: contracts\modules\Managerable.sol

pragma solidity =0.5.16;

contract Managerable is Ownable {

    address private _managerAddress;
    /**
     * @dev modifier, Only manager can be granted exclusive access to specific functions. 
     *
     */
    modifier onlyManager() {
        require(_managerAddress == msg.sender,"Managerable: caller is not the Manager");
        _;
    }
    /**
     * @dev set manager by owner. 
     *
     */
    function setManager(address managerAddress)
    public
    onlyOwner
    {
        _managerAddress = managerAddress;
    }
    /**
     * @dev get manager address. 
     *
     */
    function getManager()public view returns (address) {
        return _managerAddress;
    }
}

// File: contracts\modules\Halt.sol

pragma solidity =0.5.16;


contract Halt is Ownable {
    
    bool private halted = false; 
    
    modifier notHalted() {
        require(!halted,"This contract is halted");
        _;
    }

    modifier isHalted() {
        require(halted,"This contract is not halted");
        _;
    }
    
    /// @notice function Emergency situation that requires 
    /// @notice contribution period to stop or not.
    function setHalt(bool halt) 
        public 
        onlyOwner
    {
        halted = halt;
    }
}

// File: contracts\TokenConverter\TokenConverterData.sol

pragma solidity =0.5.16;



contract TokenConverterData is Managerable,Halt {
    //the locjed reward info
    struct lockedReward {
        uint256 startTime; //this tx startTime for locking
        uint256 total;     //record input amount in each lock tx    
        mapping (uint256 => uint256) alloc;//the allocation table
    }
    
    struct lockedIdx {
        uint256 beginIdx;//the first index for user converting input claimable tx index 
        uint256 totalIdx;//the total number for converting tx
    }
    
    address public cfnxAddress; //cfnx token address
    address public fnxAddress;  //fnx token address
    uint256 public timeSpan = 30*24*3600;//time interval span time ,default one month
    uint256 public dispatchTimes = 6;    //allocation times,default 6 times
    uint256 public txNum = 100; //100 times transfer tx 
    uint256 public lockPeriod = dispatchTimes*timeSpan;
    
    //the user's locked total balance
    mapping (address => uint256) public lockedBalances;//locked balance for each user
    
    mapping (address =>  mapping (uint256 => lockedReward)) public lockedAllRewards;//converting tx record for each user
    
    mapping (address => lockedIdx) public lockedIndexs;//the converting tx index info
    
    
    /**
     * @dev Emitted when `owner` locked  `amount` FPT, which net worth is  `worth` in USD. 
     */
    event InputCfnx(address indexed owner, uint256 indexed amount,uint256 indexed worth);
    /**
     * @dev Emitted when `owner` burned locked  `amount` FPT, which net worth is  `worth` in USD.
     */
    event ClaimFnx(address indexed owner, uint256 indexed amount,uint256 indexed worth);

}

// File: contracts\Proxy\baseProxy.sol

pragma solidity =0.5.16;

/**
 * @title  baseProxy Contract

 */
contract baseProxy is Ownable {
    address public implementation;
    constructor(address implementation_) public {
        // Creator of the contract is admin during initialization
        implementation = implementation_; 
        (bool success,) = implementation_.delegatecall(abi.encodeWithSignature("initialize()"));
        require(success);
    }
    function getImplementation()public view returns(address){
        return implementation;
    }
    function setImplementation(address implementation_)public onlyOwner{
        implementation = implementation_; 
        (bool success,) = implementation_.delegatecall(abi.encodeWithSignature("update()"));
        require(success);
    }

    /**
     * @notice Delegates execution to the implementation contract
     * @dev It returns to the external caller whatever the implementation returns or forwards reverts
     * @param data The raw data to delegatecall
     * @return The returned bytes from the delegatecall
     */
    function delegateToImplementation(bytes memory data) public returns (bytes memory) {
        (bool success, bytes memory returnData) = implementation.delegatecall(data);
        assembly {
            if eq(success, 0) {
                revert(add(returnData, 0x20), returndatasize)
            }
        }
        return returnData;
    }

    /**
     * @notice Delegates execution to an implementation contract
     * @dev It returns to the external caller whatever the implementation returns or forwards reverts
     *  There are an additional 2 prefix uints from the wrapper returndata, which we ignore since we make an extra hop.
     * @param data The raw data to delegatecall
     * @return The returned bytes from the delegatecall
     */
    function delegateToViewImplementation(bytes memory data) public view returns (bytes memory) {
        (bool success, bytes memory returnData) = address(this).staticcall(abi.encodeWithSignature("delegateToImplementation(bytes)", data));
        assembly {
            if eq(success, 0) {
                revert(add(returnData, 0x20), returndatasize)
            }
        }
        return abi.decode(returnData, (bytes));
    }

    function delegateToViewAndReturn() internal view returns (bytes memory) {
        (bool success, ) = address(this).staticcall(abi.encodeWithSignature("delegateToImplementation(bytes)", msg.data));

        assembly {
            let free_mem_ptr := mload(0x40)
            returndatacopy(free_mem_ptr, 0, returndatasize)

            switch success
            case 0 { revert(free_mem_ptr, returndatasize) }
            default { return(add(free_mem_ptr, 0x40), returndatasize) }
        }
    }

    function delegateAndReturn() internal returns (bytes memory) {
        (bool success, ) = implementation.delegatecall(msg.data);

        assembly {
            let free_mem_ptr := mload(0x40)
            returndatacopy(free_mem_ptr, 0, returndatasize)

            switch success
            case 0 { revert(free_mem_ptr, returndatasize) }
            default { return(free_mem_ptr, returndatasize) }
        }
    }
}

// File: contracts\TokenConverter\TokenConverterProxy.sol

pragma solidity =0.5.16;



contract TokenConverterProxy is TokenConverterData,baseProxy {
    
    constructor (address implementation_) baseProxy(implementation_) public{
    }
    
    function getbackLeftFnx(address /*reciever*/)  public {
        delegateAndReturn();
    }
    
   function setParameter(address /*_cfnxAddress*/,address /*_fnxAddress*/,uint256 /*_timeSpan*/,uint256 /*_dispatchTimes*/,uint256 /*_txNum*/) public  {
        delegateAndReturn();
   }
   
   function lockedBalanceOf(address /*account*/) public view returns (uint256){
         delegateToViewAndReturn();     
   }
   
   
   function inputCfnxForInstallmentPay(uint256 /*amount*/) public {
         delegateAndReturn();     
   }
   
   function claimFnxExpiredReward() public {
        delegateAndReturn(); 
   }
   
   function getClaimAbleBalance(address ) public view returns (uint256) {
        delegateToViewAndReturn();     
   }
    
}