PEAKDEFI PQ

1pragma solidity 0.5.17;
2​
3import "@openzeppelin/contracts/ownership/Ownable.sol";
4import "../interfaces/Comptroller.sol";
5import "../interfaces/PriceOracle.sol";
6import "../interfaces/CERC20.sol";
7import "../interfaces/CEther.sol";
8import "../Utils.sol";
9​
10contract CompoundOrder is Utils(address(0), address(0), address(0)), Ownable {
11  // Constants
12  uint256 internal constant NEGLIGIBLE_DEBT = 100; // we don't care about debts below 10^-4 USDC (0.1 cent)
13  uint256 internal constant MAX_REPAY_STEPS = 3; // Max number of times we attempt to repay remaining debt
14  uint256 internal constant DEFAULT_LIQUIDITY_SLIPPAGE = 10 ** 12; // 1e-6 slippage for redeeming liquidity when selling order
15  uint256 internal constant FALLBACK_LIQUIDITY_SLIPPAGE = 10 ** 15; // 0.1% slippage for redeeming liquidity when selling order
16  uint256 internal constant MAX_LIQUIDITY_SLIPPAGE = 10 ** 17; // 10% max slippage for redeeming liquidity when selling order
17​
18  // Contract instances
19  Comptroller public COMPTROLLER; // The Compound comptroller
20  PriceOracle public ORACLE; // The Compound price oracle
21  CERC20 public CUSDC; // The Compound USDC market token
22  address public CETH_ADDR;
23​
24  / Instance variables
25  uint256 public stake;
26  uint256 public collateralAmountInUSDC;
27  uint256 public loanAmountInUSDC;
28  uint256 public cycleNumber;
29  uint256 public buyTime; // Timestamp for order execution
30  uint256 public outputAmount; // Records the total output USDC after order is sold
31  address public compoundTokenAddr;
32  bool public isSold;
33  bool public orderType; // True for shorting, false for longing
34  bool internal initialized;
35​
36​
37  constructor() public {}
38​
39  function init(
40    address _compoundTokenAddr,
41    uint256 _cycleNumber,
42    uint256 _stake,
43    uint256 _collateralAmountInUSDC,
44    uint256 _loanAmountInUSDC,
45    bool _orderType,
46    address _usdcAddr,
47    address payable _kyberAddr,
48    address _comptrollerAddr,
49    address _priceOracleAddr,
50    address _cUSDCAddr,
51    address _cETHAddr
52  ) public {
53    require(!initialized);
54    initialized = true;
55​
56    / Initialize details of order
57    require(_compoundTokenAddr != _cUSDCAddr);
58    require(_stake > 0 && _collateralAmountInUSDC > 0 && _loanAmountInUSDC > 0); // Validate inputs
59    stake = _stake;
60    collateralAmountInUSDC = _collateralAmountInUSDC;
61    loanAmountInUSDC = _loanAmountInUSDC;
62    cycleNumber = _cycleNumber;
63    compoundTokenAddr = _compoundTokenAddr;
64    orderType = _orderType;
65​
66    COMPTROLLER = Comptroller(_comptrollerAddr);
67    ORACLE = PriceOracle(_priceOracleAddr);
68    CUSDC = CERC20(_cUSDCAddr);
69    CETH_ADDR = _cETHAddr;
70    USDC_ADDR = _usdcAddr;
71    KYBER_ADDR = _kyberAddr;
72    usdc = ERC20Detailed(_usdcAddr);
73    kyber = KyberNetwork(_kyberAddr);
74​
75    // transfer ownership to msg.sender
76    _transferOwnership(msg.sender);
77  }
78​
79  /**
80   * @notice Executes the Compound order
81   * @param _minPrice the minimum token price
82   * @param _maxPrice the maximum token price
83   */

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