ETH Price: $2,632.48 (+7.90%)
Gas: 0.16 GWei

Contract

0x0D8F8e271DD3f2fC58e5716d3Ff7041dBe3F0688

Overview

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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x274C3795...087e0a98C
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
LToken

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 16 : LToken.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;
pragma experimental ABIEncoderV2;

import "@openzeppelin/contracts/math/Math.sol";

import "../library/SafeToken.sol";

import "./Market.sol";

import "../interfaces/IWETH.sol";

contract LToken is Market {
  using SafeMath for uint256;
  using SafeToken for address;

  /* ========== STATE VARIABLES ========== */

  string public name;
  string public symbol;
  uint8 public decimals;

  // initializer
  bool public initialized;

  mapping(address => mapping(address => uint256)) private _transferAllowances;

  /* ========== EVENT ========== */

  event Mint(address minter, uint256 mintAmount);
  event Redeem(address account, uint underlyingAmount, uint lTokenAmount);

  event Borrow(address account, uint256 ammount, uint256 accountBorrow);
  event RepayBorrow(address payer, address borrower, uint256 amount, uint256 accountBorrow);
  event LiquidateBorrow(
    address liquidator,
    address borrower,
    uint256 amount,
    address lTokenCollateral,
    uint256 seizeAmount
  );

  event Transfer(address indexed from, address indexed to, uint256 amount);
  event Approval(address indexed owner, address indexed spender, uint256 amount);

  /* ========== INITIALIZER ========== */

  constructor() public {}

  function initialize(string memory _name, string memory _symbol, uint8 _decimals) external onlyOwner {
    require(initialized == false, "already initialized");
    __GMarket_init();

    name = _name;
    symbol = _symbol;
    decimals = _decimals;
    initialized = true;
  }

  /* ========== VIEWS ========== */

  function allowance(address account, address spender) external view override returns (uint256) {
    return _transferAllowances[account][spender];
  }

  function getOwner() external view returns (address) {
    return owner();
  }

  /* ========== MUTATIVE FUNCTIONS ========== */

  function transfer(address dst, uint256 amount) external override accrue nonReentrant returns (bool) {
    core.transferTokens(msg.sender, msg.sender, dst, amount);
    return true;
  }

  function transferFrom(address src, address dst, uint256 amount) external override accrue nonReentrant returns (bool) {
    core.transferTokens(msg.sender, src, dst, amount);
    return true;
  }

  function approve(address spender, uint256 amount) external override returns (bool) {
    _transferAllowances[msg.sender][spender] = amount;
    emit Approval(msg.sender, spender, amount);
    return true;
  }

  /* ========== RESTRICTED FUNCTIONS ========== */

  function supply(address account, uint256 uAmount) external payable override accrue onlyCore returns (uint256) {
    uint256 exchangeRate = exchangeRate();
    uAmount = underlying == address(ETH) ? msg.value : uAmount;
    uAmount = _doTransferIn(account, uAmount);
    uint256 lAmount = uAmount.mul(1e18).div(exchangeRate);
    require(lAmount > 0, "LToken: invalid lAmount");
    updateSupplyInfo(account, lAmount, 0);

    emit Mint(account, lAmount);
    emit Transfer(address(0), account, lAmount);
    return lAmount;
  }

  function supplyBehalf(address account, address supplier, uint256 uAmount) external payable override accrue onlyCore returns (uint256) {
    uint256 exchangeRate = exchangeRate();
    uAmount = underlying == address(ETH) ? msg.value : uAmount;
    uAmount = _doTransferIn(account, uAmount);
    uint256 lAmount = uAmount.mul(1e18).div(exchangeRate);
    require(lAmount > 0, "LToken: invalid lAmount");
    updateSupplyInfo(supplier, lAmount, 0);

    emit Mint(supplier, lAmount);
    emit Transfer(address(0), supplier, lAmount);
    return lAmount;
  }

  function redeemToken(address redeemer, uint256 lAmount) external override accrue onlyCore returns (uint256) {
    return _redeem(redeemer, lAmount, 0);
  }

  function redeemUnderlying(address redeemer, uint256 uAmount) external override accrue onlyCore returns (uint256) {
    return _redeem(redeemer, 0, uAmount);
  }

  function borrow(address account, uint256 amount) external override accrue onlyCore returns (uint256) {
    require(getCash() >= amount, "LToken: borrow amount exceeds cash");
    updateBorrowInfo(account, amount, 0);
    _doTransferOut(account, amount);

    emit Borrow(account, amount, borrowBalanceOf(account));
    return amount;
  }

  function borrowBehalf(address account, address borrower, uint256 amount) external override accrue onlyCore returns (uint256) {
    require(getCash() >= amount, "LToken: borrow amount exceeds cash");
    updateBorrowInfo(borrower, amount, 0);
    _doTransferOut(account, amount);

    emit Borrow(borrower, amount, borrowBalanceOf(borrower));
    return amount;
  }

  function repayBorrow(address account, uint256 amount) external payable override accrue onlyCore returns (uint256) {
    if (amount == uint256(-1)) {
      amount = borrowBalanceOf(account);
    }
    return _repay(account, account, underlying == address(ETH) ? msg.value : amount);
  }

  function liquidateBorrow(
    address lTokenCollateral,
    address liquidator,
    address borrower,
    uint256 amount
  )
    external
    payable
    override
    accrue
    onlyCore
    returns (uint256 seizeLAmount, uint256 rebateLAmount, uint256 liquidatorLAmount)
  {
    require(borrower != liquidator, "LToken: cannot liquidate yourself");
    amount = underlying == address(ETH) ? msg.value : amount;
    amount = _repay(liquidator, borrower, amount);
    require(amount > 0 && amount < uint256(-1), "LToken: invalid repay amount");

    (seizeLAmount, rebateLAmount, liquidatorLAmount) = IValidator(core.validator()).lTokenAmountToSeize(
      address(this),
      lTokenCollateral,
      amount
    );

    require(ILToken(payable(lTokenCollateral)).balanceOf(borrower) >= seizeLAmount, "LToken: too much seize amount");

    emit LiquidateBorrow(liquidator, borrower, amount, lTokenCollateral, seizeLAmount);
  }

  function seize(address liquidator, address borrower, uint256 lAmount) external override accrue onlyCore nonReentrant {
    accountBalances[borrower] = accountBalances[borrower].sub(lAmount);
    accountBalances[liquidator] = accountBalances[liquidator].add(lAmount);

    emit Transfer(borrower, liquidator, lAmount);
  }

  function withdrawReserves() external override accrue onlyRebateDistributor nonReentrant {
    if (getCash() >= totalReserve) {
      uint256 amount = totalReserve;

      if (amount > 0) {
        totalReserve = 0;
        _doTransferOut(address(rebateDistributor), amount);
      }
    }
  }

  function transferTokensInternal(
    address spender,
    address src,
    address dst,
    uint256 amount
  ) external override onlyCore {
    require(
      src != dst && IValidator(core.validator()).redeemAllowed(address(this), src, amount),
      "LToken: cannot transfer"
    );
    require(amount != 0, "LToken: zero amount");
    uint256 _allowance = spender == src ? uint256(-1) : _transferAllowances[src][spender];
    uint256 _allowanceNew = _allowance.sub(amount, "LToken: transfer amount exceeds allowance");

    accountBalances[src] = accountBalances[src].sub(amount);
    accountBalances[dst] = accountBalances[dst].add(amount);

    if (_allowance != uint256(-1)) {
      _transferAllowances[src][spender] = _allowanceNew;
    }
    emit Transfer(src, dst, amount);
  }

  /* ========== PRIVATE FUNCTIONS ========== */

  function _doTransferIn(address from, uint256 amount) private returns (uint256) {
    if (underlying == address(ETH)) {
      require(msg.value >= amount, "LToken: value mismatch");
      return Math.min(msg.value, amount);
    } else {
      uint256 balanceBefore = IBEP20(underlying).balanceOf(address(this));
      underlying.safeTransferFrom(from, address(this), amount);
      uint256 balanceAfter = IBEP20(underlying).balanceOf(address(this));
      require(balanceAfter.sub(balanceBefore) <= amount);
      return balanceAfter.sub(balanceBefore);
    }
  }

  function _doTransferOut(address to, uint256 amount) private {
    if (underlying == address(ETH)) {
      SafeToken.safeTransferETH(to, amount);
    } else {
      underlying.safeTransfer(to, amount);
    }
  }

  function _redeem(address account, uint256 lAmountIn, uint256 uAmountIn) private returns (uint256) {
    require(lAmountIn == 0 || uAmountIn == 0, "LToken: one of lAmountIn or uAmountIn must be zero");
    require(totalSupply >= lAmountIn, "LToken: not enough total supply");
    require(getCash() >= uAmountIn || uAmountIn == 0, "LToken: not enough underlying");
    require(getCash() >= lAmountIn.mul(exchangeRate()).div(1e18) || lAmountIn == 0, "LToken: not enough underlying");

    uint lAmountToRedeem = lAmountIn > 0 ? lAmountIn : uAmountIn.mul(1e18).div(exchangeRate());
    uint uAmountToRedeem = lAmountIn > 0 ? lAmountIn.mul(exchangeRate()).div(1e18) : uAmountIn;

    require(
      IValidator(core.validator()).redeemAllowed(address(this), account, lAmountToRedeem),
      "LToken: cannot redeem"
    );

    updateSupplyInfo(account, 0, lAmountToRedeem);
    _doTransferOut(account, uAmountToRedeem);

    emit Transfer(account, address(0), lAmountToRedeem);
    emit Redeem(account, uAmountToRedeem, lAmountToRedeem);
    return uAmountToRedeem;
  }

  function _repay(address payer, address borrower, uint256 amount) private returns (uint256) {
    uint256 borrowBalance = borrowBalanceOf(borrower);
    uint256 repayAmount = Math.min(borrowBalance, amount);
    repayAmount = _doTransferIn(payer, repayAmount);
    updateBorrowInfo(borrower, 0, repayAmount);

    if (underlying == address(ETH)) {
      uint256 refundAmount = amount > repayAmount ? amount.sub(repayAmount) : 0;
      if (refundAmount > 0) {
        _doTransferOut(payer, refundAmount);
      }
    }

    emit RepayBorrow(payer, borrower, repayAmount, borrowBalanceOf(borrower));
    return repayAmount;
  }
}

File 2 of 16 : Market.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;
pragma experimental ABIEncoderV2;

import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";

import "../library/Constant.sol";

import "../interfaces/IBEP20.sol";
import "../interfaces/IValidator.sol";
import "../interfaces/IRateModel.sol";
import "../interfaces/ILToken.sol";
import "../interfaces/ICore.sol";
import "../interfaces/IRebateDistributor.sol";

abstract contract Market is ILToken, Ownable, ReentrancyGuard {
  using SafeMath for uint256;

  /* ========== CONSTANT VARIABLES ========== */

  uint256 internal constant RESERVE_FACTOR_MAX = 1e18;
  uint256 internal constant DUST = 1000;

  address internal constant ETH = 0x0000000000000000000000000000000000000000;

  /* ========== STATE VARIABLES ========== */

  ICore public core;
  IRateModel public rateModel;
  IRebateDistributor public rebateDistributor;
  address public override underlying;

  uint256 public override totalSupply; // Total supply of lToken
  uint256 public override totalReserve;
  uint256 public override _totalBorrow;

  mapping(address => uint256) internal accountBalances;
  mapping(address => Constant.BorrowInfo) internal accountBorrows;

  uint256 public override reserveFactor;
  uint256 public override lastAccruedTime;
  uint256 public override accInterestIndex;

  /* ========== INITIALIZER ========== */

  receive() external payable {}

  /// @dev Initialization
  function __GMarket_init() internal {
    lastAccruedTime = block.timestamp;
    accInterestIndex = 1e18;
  }

  /* ========== MODIFIERS ========== */

  /// @dev 아직 처리되지 않은 totalBorrow, totalReserve, accInterestIndex 계산 및 저장
  modifier accrue() {
    if (block.timestamp > lastAccruedTime && address(rateModel) != address(0)) {
      uint256 borrowRate = rateModel.getBorrowRate(getCashPrior(), _totalBorrow, totalReserve);
      uint256 interestFactor = borrowRate.mul(block.timestamp.sub(lastAccruedTime));
      uint256 pendingInterest = _totalBorrow.mul(interestFactor).div(1e18);

      _totalBorrow = _totalBorrow.add(pendingInterest);
      totalReserve = totalReserve.add(pendingInterest.mul(reserveFactor).div(1e18));
      accInterestIndex = accInterestIndex.add(interestFactor.mul(accInterestIndex).div(1e18));
      lastAccruedTime = block.timestamp;
    }
    _;
  }

  /// @dev msg.sender 가 core address 인지 검증
  modifier onlyCore() {
    require(msg.sender == address(core), "LToken: only Core Contract");
    _;
  }

  modifier onlyRebateDistributor() {
    require(msg.sender == address(rebateDistributor), "LToken: only RebateDistributor");
    _;
  }

  /* ========== RESTRICTED FUNCTIONS ========== */

  /// @notice core address 를 설정
  /// @dev ZERO ADDRESS 로 설정할 수 없음
  ///      설정 이후에는 다른 주소로 변경할 수 없음
  /// @param _core core contract address
  function setCore(address _core) public onlyOwner {
    require(_core != address(0), "GMarket: invalid core address");
    require(address(core) == address(0), "GMarket: core already set");
    core = ICore(_core);
  }

  /// @notice underlying asset 의 token 설정
  /// @dev ZERO ADDRESS 로 설정할 수 없음
  ///      설정 이후에는 다른 주소로 변경할 수 없음
  /// @param _underlying Underlying token contract address
  function setUnderlying(address _underlying) public onlyOwner {
    require(_underlying != address(0), "GMarket: invalid underlying address");
    require(underlying == address(0), "GMarket: set underlying already");
    underlying = _underlying;
  }

  /// @notice rateModel 설정
  /// @param _rateModel 새로운 RateModel contract address
  function setRateModel(address _rateModel) public accrue onlyOwner {
    require(_rateModel != address(0), "GMarket: invalid rate model address");
    rateModel = IRateModel(_rateModel);
  }

  /// @notice reserve factor 변경
  /// @dev RESERVE_FACTOR_MAX 를 초과할 수 없음
  /// @param _reserveFactor 새로운 reserveFactor 값
  function setReserveFactor(uint256 _reserveFactor) public accrue onlyOwner {
    require(_reserveFactor <= RESERVE_FACTOR_MAX, "GMarket: invalid reserve factor");
    reserveFactor = _reserveFactor;
  }

  function setRebateDistributor(address _rebateDistributor) public onlyOwner {
    require(_rebateDistributor != address(0), "GMarket: invalid rebate distributor address");
    rebateDistributor = IRebateDistributor(_rebateDistributor);
  }

  /* ========== VIEWS ========== */

  function balanceOf(address account) external view override returns (uint256) {
    return accountBalances[account];
  }

  /// @notice account 의 AccountSnapshot 조회
  /// @param account account address
  function accountSnapshot(address account) external view override returns (Constant.AccountSnapshot memory) {
    Constant.AccountSnapshot memory snapshot;
    snapshot.lTokenBalance = accountBalances[account];
    snapshot.borrowBalance = borrowBalanceOf(account);
    snapshot.exchangeRate = exchangeRate();
    return snapshot;
  }

  /// @notice account 의 supply 된 underlying token 의 amount 조회
  /// @dev 원금에 붙은 이자를 포함
  /// @param account account address
  function underlyingBalanceOf(address account) external view override returns (uint256) {
    return accountBalances[account].mul(exchangeRate()).div(1e18);
  }

  /// @notice 계정의 borrow amount 조회
  /// @dev 원금에 붙은 이자를 포함
  function borrowBalanceOf(address account) public view override returns (uint256) {
    Constant.AccrueSnapshot memory snapshot = pendingAccrueSnapshot();
    Constant.BorrowInfo storage info = accountBorrows[account];

    if (info.borrow == 0) return 0;
    return info.borrow.mul(snapshot.accInterestIndex).div(info.interestIndex);
  }

  function totalBorrow() public view override returns (uint256) {
    Constant.AccrueSnapshot memory snapshot = pendingAccrueSnapshot();
    return snapshot.totalBorrow;
  }

  function exchangeRate() public view override returns (uint256) {
    if (totalSupply == 0) return 1e18;
    Constant.AccrueSnapshot memory snapshot = pendingAccrueSnapshot();
    return getCashPrior().add(snapshot.totalBorrow).sub(snapshot.totalReserve).mul(1e18).div(totalSupply);
  }

  function getCash() public view override returns (uint256) {
    return getCashPrior();
  }

  function getRateModel() external view override returns (address) {
    return address(rateModel);
  }

  function getAccInterestIndex() public view override returns (uint256) {
    Constant.AccrueSnapshot memory snapshot = pendingAccrueSnapshot();
    return snapshot.accInterestIndex;
  }

  /* ========== MUTATIVE FUNCTIONS ========== */

  function accruedAccountSnapshot(address account) external override accrue returns (Constant.AccountSnapshot memory) {
    Constant.AccountSnapshot memory snapshot;
    Constant.BorrowInfo storage info = accountBorrows[account];
    if (info.interestIndex != 0) {
      info.borrow = info.borrow.mul(accInterestIndex).div(info.interestIndex);
      info.interestIndex = accInterestIndex;
    }

    snapshot.lTokenBalance = accountBalances[account];
    snapshot.borrowBalance = info.borrow;
    snapshot.exchangeRate = exchangeRate();
    return snapshot;
  }

  /// @notice View borrow balance amount after accure mutation
  function accruedBorrowBalanceOf(address account) external override accrue returns (uint256) {
    Constant.BorrowInfo storage info = accountBorrows[account];
    if (info.interestIndex != 0) {
      info.borrow = info.borrow.mul(accInterestIndex).div(info.interestIndex);
      info.interestIndex = accInterestIndex;
    }
    return info.borrow;
  }

  /// @notice View total borrow amount after accrue mutation
  function accruedTotalBorrow() external override accrue returns (uint256) {
    return _totalBorrow;
  }

  /// @notice View underlying token exchange rate after accure mutation
  function accruedExchangeRate() external override accrue returns (uint256) {
    return exchangeRate();
  }

  /* ========== INTERNAL FUNCTIONS ========== */

  /// @notice borrow info 업데이트
  /// @dev account 의 accountBorrows 를 변경하고, totalSupply 를 변경함
  /// @param account borrow 하는 address account
  /// @param addAmount 추가되는 borrow amount
  /// @param subAmount 제거되는 borrow amount
  function updateBorrowInfo(address account, uint256 addAmount, uint256 subAmount) internal {
    Constant.BorrowInfo storage info = accountBorrows[account];
    if (info.interestIndex == 0) {
      info.interestIndex = accInterestIndex;
    }

    info.borrow = info.borrow.mul(accInterestIndex).div(info.interestIndex).add(addAmount).sub(subAmount);
    info.interestIndex = accInterestIndex;
    _totalBorrow = _totalBorrow.add(addAmount).sub(subAmount);

    info.borrow = (info.borrow < DUST) ? 0 : info.borrow;
    _totalBorrow = (_totalBorrow < DUST) ? 0 : _totalBorrow;
  }

  /// @notice supply info 업데이트
  /// @dev account 의 accountBalances 를 변경하고, totalSupply 를 변경함
  /// @param account supply 하는 address account
  /// @param addAmount 추가되는 supply amount
  /// @param subAmount 제거되는 supply amount
  function updateSupplyInfo(address account, uint256 addAmount, uint256 subAmount) internal {
    accountBalances[account] = accountBalances[account].add(addAmount).sub(subAmount);
    totalSupply = totalSupply.add(addAmount).sub(subAmount);

    totalSupply = (totalSupply < DUST) ? 0 : totalSupply;
  }

  /// @notice contract 가 가지고 있는 underlying token amount 조회
  /// @dev underlying token 이 ETH 인 경우 msg.value 값을 빼서 계산함
  function getCashPrior() internal view returns (uint256) {
    return
      underlying == address(ETH) ? address(this).balance.sub(msg.value) : IBEP20(underlying).balanceOf(address(this));
  }

  /// @notice totalBorrow, totlaReserver, accInterestIdx 조회
  /// @dev 아직 계산되지 않은 pending interest 더한 값으로 조회
  ///      상태가 변겅되거나 저장되지는 않는다
  function pendingAccrueSnapshot() internal view returns (Constant.AccrueSnapshot memory) {
    Constant.AccrueSnapshot memory snapshot;
    snapshot.totalBorrow = _totalBorrow;
    snapshot.totalReserve = totalReserve;
    snapshot.accInterestIndex = accInterestIndex;

    if (block.timestamp > lastAccruedTime && _totalBorrow > 0) {
      uint256 borrowRate = rateModel.getBorrowRate(getCashPrior(), _totalBorrow, totalReserve);
      uint256 interestFactor = borrowRate.mul(block.timestamp.sub(lastAccruedTime));
      uint256 pendingInterest = _totalBorrow.mul(interestFactor).div(1e18);

      snapshot.totalBorrow = _totalBorrow.add(pendingInterest);
      snapshot.totalReserve = totalReserve.add(pendingInterest.mul(reserveFactor).div(1e18));
      snapshot.accInterestIndex = accInterestIndex.add(interestFactor.mul(accInterestIndex).div(1e18));
    }
    return snapshot;
  }
}

File 3 of 16 : IWETH.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;

interface IWETH {
  function approve(address spender, uint256 value) external returns (bool);

  function transfer(address recipient, uint256 amount) external returns (bool);

  function deposit() external payable;

  function withdraw(uint256 amount) external;
}

File 4 of 16 : SafeToken.sol
// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.6.12;

interface ERC20Interface {
  function balanceOf(address user) external view returns (uint256);
}

library SafeToken {
  function myBalance(address token) internal view returns (uint256) {
    return ERC20Interface(token).balanceOf(address(this));
  }

  function balanceOf(address token, address user) internal view returns (uint256) {
    return ERC20Interface(token).balanceOf(user);
  }

  function safeApprove(address token, address to, uint256 value) internal {
    // bytes4(keccak256(bytes('approve(address,uint256)')));
    (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
    require(success && (data.length == 0 || abi.decode(data, (bool))), "!safeApprove");
  }

  function safeTransfer(address token, address to, uint256 value) internal {
    // bytes4(keccak256(bytes('transfer(address,uint256)')));
    (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
    require(success && (data.length == 0 || abi.decode(data, (bool))), "!safeTransfer");
  }

  function safeTransferFrom(address token, address from, address to, uint256 value) internal {
    // bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
    (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
    require(success && (data.length == 0 || abi.decode(data, (bool))), "!safeTransferFrom");
  }

  function safeTransferETH(address to, uint256 value) internal {
    (bool success, ) = to.call{value: value}(new bytes(0));
    require(success, "!safeTransferETH");
  }
}

File 5 of 16 : Math.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow, so we distribute
        return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);
    }
}

File 6 of 16 : Constant.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;

library Constant {
  uint256 public constant CLOSE_FACTOR_MIN = 5e16;
  uint256 public constant CLOSE_FACTOR_MAX = 9e17;
  uint256 public constant COLLATERAL_FACTOR_MAX = 9e17;
  uint256 public constant LIQUIDATION_THRESHOLD_MAX = 9e17;
  uint256 public constant LIQUIDATION_BONUS_MAX = 5e17;

  enum EcoScorePreviewOption {
    LOCK,
    CLAIM,
    EXTEND,
    LOCK_MORE
  }

  enum LoanState {
    None,
    Active,
    Auction,
    Repaid,
    Defaulted
  }

  struct MarketInfo {
    bool isListed;
    uint256 supplyCap;
    uint256 borrowCap;
    uint256 collateralFactor;
  }

  struct BorrowInfo {
    uint256 borrow;
    uint256 interestIndex;
  }

  struct AccountSnapshot {
    uint256 lTokenBalance;
    uint256 borrowBalance;
    uint256 exchangeRate;
  }

  struct AccrueSnapshot {
    uint256 totalBorrow;
    uint256 totalReserve;
    uint256 accInterestIndex;
  }

  struct AccrueLoanSnapshot {
    uint256 totalBorrow;
    uint256 accInterestIndex;
  }

  struct DistributionInfo {
    uint256 supplySpeed;
    uint256 borrowSpeed;
    uint256 totalBoostedSupply;
    uint256 totalBoostedBorrow;
    uint256 accPerShareSupply;
    uint256 accPerShareBorrow;
    uint256 accruedAt;
  }

  struct DistributionAccountInfo {
    uint256 accuredLAB; // Unclaimed LAB rewards amount
    uint256 boostedSupply; // effective(boosted) supply balance of user  (since last_action)
    uint256 boostedBorrow; // effective(boosted) borrow balance of user  (since last_action)
    uint256 accPerShareSupply; // Last integral value of LAB rewards per share. ∫(LABRate(t) / totalShare(t) dt) from 0 till (last_action)
    uint256 accPerShareBorrow; // Last integral value of LAB rewards per share. ∫(LABRate(t) / totalShare(t) dt) from 0 till (last_action)
  }

  struct DistributionAPY {
    uint256 apySupplyLab;
    uint256 apyBorrowLab;
    uint256 apyAccountSupplyLab;
    uint256 apyAccountBorrowLab;
  }

  struct RebateCheckpoint {
    uint256 timestamp;
    uint256 totalScore;
    uint256 adminFeeRate;
    uint256 weeklyLabSpeed;
    uint256 additionalLabAmount;
    mapping(address => uint256) marketFees;
  }

  struct LockInfo {
    uint256 timestamp;
    uint256 amount;
    uint256 expiry;
  }
}

File 7 of 16 : IBEP20.sol
// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity >=0.4.0;

interface IBEP20 {
  /**
   * @dev Returns the amount of tokens in existence.
   */
  function totalSupply() external view returns (uint256);

  /**
   * @dev Returns the token decimals.
   */
  function decimals() external view returns (uint8);

  /**
   * @dev Returns the token symbol.
   */
  function symbol() external view returns (string memory);

  /**
   * @dev Returns the token name.
   */
  function name() external view returns (string memory);

  /**
   * @dev Returns the bep token owner.
   */
  function getOwner() external view returns (address);

  /**
   * @dev Returns the amount of tokens owned by `account`.
   */
  function balanceOf(address account) external view returns (uint256);

  /**
   * @dev Moves `amount` tokens from the caller's account to `recipient`.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transfer(address recipient, uint256 amount) external returns (bool);

  /**
   * @dev Returns the remaining number of tokens that `spender` will be
   * allowed to spend on behalf of `owner` through {transferFrom}. This is
   * zero by default.
   *
   * This value changes when {approve} or {transferFrom} are called.
   */
  function allowance(address _owner, address spender) external view returns (uint256);

  /**
   * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * IMPORTANT: Beware that changing an allowance with this method brings the risk
   * that someone may use both the old and the new allowance by unfortunate
   * transaction ordering. One possible solution to mitigate this race
   * condition is to first reduce the spender's allowance to 0 and set the
   * desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   *
   * Emits an {Approval} event.
   */
  function approve(address spender, uint256 amount) external returns (bool);

  /**
   * @dev Moves `amount` tokens from `sender` to `recipient` using the
   * allowance mechanism. `amount` is then deducted from the caller's
   * allowance.
   *
   * Returns a boolean value indicating whether the operation succeeded.
   *
   * Emits a {Transfer} event.
   */
  function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

  /**
   * @dev Emitted when `value` tokens are moved from one account (`from`) to
   * another (`to`).
   *
   * Note that `value` may be zero.
   */
  event Transfer(address indexed from, address indexed to, uint256 value);

  /**
   * @dev Emitted when the allowance of a `spender` for an `owner` is set by
   * a call to {approve}. `value` is the new allowance.
   */
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 8 of 16 : IValidator.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;
pragma experimental ABIEncoderV2;

interface IValidator {
  function redeemAllowed(address lToken, address redeemer, uint256 redeemAmount) external returns (bool);

  function borrowAllowed(address lToken, address borrower, uint256 borrowAmount) external returns (bool);

  function liquidateAllowed(
    address lTokenBorrowed,
    address borrower,
    uint256 repayAmount,
    uint256 closeFactor
  ) external returns (bool);

  function lTokenAmountToSeize(
    address lTokenBorrowed,
    address lTokenCollateral,
    uint256 actualRepayAmount
  ) external returns (uint256 seizeLAmount, uint256 rebateLAmount, uint256 liquidatorLAmount);

  function getAccountLiquidity(
    address account
  ) external view returns (uint256 collateralInUSD, uint256 supplyInUSD, uint256 borrowInUSD);
}

File 9 of 16 : ILToken.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;
pragma experimental ABIEncoderV2;

import "../library/Constant.sol";

interface ILToken {
  function underlying() external view returns (address);

  function totalSupply() external view returns (uint256);

  function accountSnapshot(address account) external view returns (Constant.AccountSnapshot memory);

  function underlyingBalanceOf(address account) external view returns (uint256);

  function borrowBalanceOf(address account) external view returns (uint256);

  function totalBorrow() external view returns (uint256);

  function _totalBorrow() external view returns (uint256);

  function totalReserve() external view returns (uint256);

  function reserveFactor() external view returns (uint256);

  function lastAccruedTime() external view returns (uint256);

  function accInterestIndex() external view returns (uint256);

  function exchangeRate() external view returns (uint256);

  function getCash() external view returns (uint256);

  function getRateModel() external view returns (address);

  function getAccInterestIndex() external view returns (uint256);

  function accruedAccountSnapshot(address account) external returns (Constant.AccountSnapshot memory);

  function accruedBorrowBalanceOf(address account) external returns (uint256);

  function accruedTotalBorrow() external returns (uint256);

  function accruedExchangeRate() external returns (uint256);

  function approve(address spender, uint256 amount) external returns (bool);

  function allowance(address owner, address spender) external view returns (uint256);

  function balanceOf(address account) external view returns (uint256);

  function transfer(address dst, uint256 amount) external returns (bool);

  function transferFrom(address src, address dst, uint256 amount) external returns (bool);

  function supply(address account, uint256 underlyingAmount) external payable returns (uint256);

  function supplyBehalf(address account, address supplier, uint256 underlyingAmount) external payable returns (uint256);

  function redeemToken(address account, uint256 lTokenAmount) external returns (uint256);

  function redeemUnderlying(address account, uint256 underlyingAmount) external returns (uint256);

  function borrow(address account, uint256 amount) external returns (uint256);

  function borrowBehalf(address account, address borrower, uint256 amount) external returns (uint256);

  function repayBorrow(address account, uint256 amount) external payable returns (uint256);

  function liquidateBorrow(
    address lTokenCollateral,
    address liquidator,
    address borrower,
    uint256 amount
  ) external payable returns (uint256 seizeLAmount, uint256 rebateLAmount, uint256 liquidatorLAmount);

  function seize(address liquidator, address borrower, uint256 lTokenAmount) external;

  function withdrawReserves() external;

  function transferTokensInternal(address spender, address src, address dst, uint256 amount) external;
}

File 10 of 16 : IRebateDistributor.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;

interface IRebateDistributor {
  function setKeeper(address _keeper) external;

  function pause() external;

  function unpause() external;

  function updateAdminFeeRate(uint256 newAdminFeeRate) external;

  function checkpoint() external;

  function weeklyRebatePool() external view returns (uint256);

  function weeklyProfitOfVP(uint256 vp) external view returns (uint256);

  function weeklyProfitOf(address account) external view returns (uint256);

  function indicativeAPR() external view returns (uint256);

  function indicativeAPROf(uint256 amount, uint256 lockDuration) external view returns (uint256);

  function indicativeAPROfUser(address account) external view returns (uint256);

  function accruedRebates(address account) external view returns (uint256, uint256, uint256[] memory);

  function claimRebates() external returns (uint256, uint256, uint256[] memory);

  function claimAdminRebates() external returns (uint256, uint256[] memory);

  function addLABToRebatePool(uint256 amount) external;

  function addMarketUTokenToRebatePool(address lToken, uint256 uAmount) external payable;
}

File 11 of 16 : ICore.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;
pragma experimental ABIEncoderV2;

import "../library/Constant.sol";

interface ICore {
  /* ========== Event ========== */
  event MarketSupply(address user, address lToken, uint256 uAmount);
  event MarketRedeem(address user, address lToken, uint256 uAmount);

  event MarketListed(address lToken);
  event MarketEntered(address lToken, address account);
  event MarketExited(address lToken, address account);

  event CloseFactorUpdated(uint256 newCloseFactor);
  event CollateralFactorUpdated(address lToken, uint256 newCollateralFactor);
  event LiquidationIncentiveUpdated(uint256 newLiquidationIncentive);
  event SupplyCapUpdated(address indexed lToken, uint256 newSupplyCap);
  event BorrowCapUpdated(address indexed lToken, uint256 newBorrowCap);
  event KeeperUpdated(address newKeeper);
  event ValidatorUpdated(address newValidator);
  event LABDistributorUpdated(address newLABDistributor);
  event RebateDistributorUpdated(address newRebateDistributor);
  event LeveragerUpdated(address newLeverager);
  event FlashLoan(
    address indexed target,
    address indexed initiator,
    address indexed asset,
    uint256 amount,
    uint256 premium
  );

  function validator() external view returns (address);

  function rebateDistributor() external view returns (address);

  function allMarkets() external view returns (address[] memory);

  function marketListOf(address account) external view returns (address[] memory);

  function marketInfoOf(address lToken) external view returns (Constant.MarketInfo memory);

  function checkMembership(address account, address lToken) external view returns (bool);

  function accountLiquidityOf(
    address account
  ) external view returns (uint256 collateralInUSD, uint256 supplyInUSD, uint256 borrowInUSD);

  function closeFactor() external view returns (uint256);

  function liquidationIncentive() external view returns (uint256);

  function enterMarkets(address[] memory lTokens) external;

  function exitMarket(address lToken) external;

  function supply(address lToken, uint256 underlyingAmount) external payable returns (uint256);

  function supplyBehalf(address account, address lToken, uint256 underlyingAmount) external payable returns (uint256);

  function redeemToken(address lToken, uint256 lTokenAmount) external returns (uint256 redeemed);

  function redeemUnderlying(address lToken, uint256 underlyingAmount) external returns (uint256 redeemed);

  function borrow(address lToken, uint256 amount) external;

  function borrowBehalf(address borrower, address lToken, uint256 amount) external;

  function repayBorrow(address lToken, uint256 amount) external payable;

  function liquidateBorrow(
    address lTokenBorrowed,
    address lTokenCollateral,
    address borrower,
    uint256 amount
  ) external payable;

  function claimLab() external;

  function claimLab(address market) external;

  function transferTokens(address spender, address src, address dst, uint256 amount) external;

  function compoundLab(uint256 lockDuration) external;
}

File 12 of 16 : IRateModel.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;

interface IRateModel {
  function getBorrowRate(uint256 cash, uint256 borrows, uint256 reserves) external view returns (uint256);

  function getSupplyRate(
    uint256 cash,
    uint256 borrows,
    uint256 reserves,
    uint256 reserveFactor
  ) external view returns (uint256);
}

File 13 of 16 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

File 14 of 16 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../utils/Context.sol";
/**
 * @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.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * 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.
 */
abstract contract Ownable is Context {
    address private _owner;

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

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

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the 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 virtual 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 virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

File 15 of 16 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor () internal {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 16 of 16 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

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Constant.AccountSnapshot","name":"","type":"tuple"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"accruedBorrowBalanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"accruedExchangeRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"accruedTotalBorrow","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"borrow","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"borrowBalanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"borrower","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"borrowBehalf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"core","outputs":[{"internalType":"contract ICore","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"exchangeRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAccInterestIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCash","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRateModel","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastAccruedTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"lTokenCollateral","type":"address"},{"internalType":"address","name":"liquidator","type":"address"},{"internalType":"address","name":"borrower","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"liquidateBorrow","outputs":[{"internalType":"uint256","name":"seizeLAmount","type":"uint256"},{"internalType":"uint256","name":"rebateLAmount","type":"uint256"},{"internalType":"uint256","name":"liquidatorLAmount","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rateModel","outputs":[{"internalType":"contract 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Deployed Bytecode

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.