bool) private wrappers;\n\n\n\n\tconstructor() public {\n\n\t\twrappers[0x880A845A85F843a5c67DB2061623c6Fc3bB4c511] = true;\n\n\t\twrappers[0x4c9B55f2083629A1F7aDa257ae984E03096eCD25] = true;\n\n\t\twrappers[0x42A9237b872368E1bec4Ca8D26A928D7d39d338C] = true;\n\n\t}\n\n\n\n\tfunction addWrapper(address _wrapper) public onlyOwner {\n\n\t\twrappers[_wrapper] = true;\n\n\t}\n\n\n\n\tfunction removeWrapper(address _wrapper) public onlyOwner {\n\n\t\twrappers[_wrapper] = false;\n\n\t}\n\n\n\n\tfunction isWrapper(address _wrapper) public view returns(bool) {\n\n\t\treturn wrappers[_wrapper];\n\n\t}\n\n}\n\nabstract contract CEtherInterface {\n\n function mint() external virtual payable;\n\n function repayBorrow() external virtual payable;\n\n}\n\nabstract contract Cat {\n\n struct Ilk {\n\n address flip; // Liquidator\n\n uint256 chop; // Liquidation Penalty [ray]\n\n uint256 lump; // Liquidation Quantity [wad]\n\n }\n\n\n\n mapping (bytes32 => Ilk) public ilks;\n\n}\n\nabstract contract CompoundOracleInterface {\n\n function getUnderlyingPrice(address cToken) external view virtual returns (uint);\n\n}\n\nabstract contract ComptrollerInterface {\n\n function enterMarkets(address[] calldata cTokens) external virtual returns (uint256[] memory);\n\n\n\n function exitMarket(address cToken) external virtual returns (uint256);\n\n\n\n function getAssetsIn(address account) external virtual view returns (address[] memory);\n\n\n\n function markets(address account) public virtual view returns (bool, uint256);\n\n\n\n function getAccountLiquidity(address account) external virtual view returns (uint256, uint256, uint256);\n\n\n\n function claimComp(address holder) virtual public;\n\n\n\n function oracle() public virtual view returns (address);\n\n}\n\nabstract contract DSProxyInterface {\n\n\n\n /// Truffle wont compile if this isn't commented\n\n // function execute(bytes memory _code, bytes memory _data)\n\n // public virtual\n\n // payable\n\n // returns (address, bytes32);\n\n\n\n function execute(address _target, bytes memory _data) public virtual payable returns (bytes32);\n\n\n\n function setCache(address _cacheAddr) public virtual payable returns (bool);\n\n\n\n function owner() public virtual returns (address);\n\n}\n\nabstract contract GemLike {\n\n function approve(address, uint) public virtual;\n\n function transfer(address, uint) public virtual;\n\n function transferFrom(address, address, uint) public virtual;\n\n function deposit() public virtual payable;\n\n function withdraw(uint) public virtual;\n\n}\n\nabstract contract ManagerLike {\n\n function cdpCan(address, uint, address) public virtual view returns (uint);\n\n function ilks(uint) public virtual view returns (bytes32);\n\n function owns(uint) public virtual view returns (address);\n\n function urns(uint) public virtual view returns (address);\n\n function vat() public virtual view returns (address);\n\n function open(bytes32) public virtual returns (uint);\n\n function give(uint, address) public virtual;\n\n function cdpAllow(uint, address, uint) public virtual;\n\n function urnAllow(address, uint) public virtual;\n\n function frob(uint, int, int) public virtual;\n\n function frob(uint, address, int, int) public virtual;\n\n function flux(uint, address, uint) public virtual;\n\n function move(uint, address, uint) public virtual;\n\n function exit(address, uint, address, uint) public virtual;\n\n function quit(uint, address) public virtual;\n\n function enter(address, uint) public virtual;\n\n function shift(uint, uint) public virtual;\n\n}\n\nabstract contract VatLike {\n\n function can(address, address) public virtual view returns (uint);\n\n function ilks(bytes32) public virtual view returns (uint, uint, uint, uint, uint);\n\n function dai(address) public virtual view returns (uint);\n\n function urns(bytes32, address) public virtual view returns (uint, uint);\n\n function frob(bytes32, address, address, address, int, int) public virtual;\n\n function hope(address) public virtual;\n\n function move(address, address, uint) public virtual;\n\n}\n\nabstract contract GemJoinLike {\n\n function dec() public virtual returns (uint);\n\n function gem() public virtual returns (GemLike);\n\n function join(address, uint) public virtual payable;\n\n function exit(address, uint) public virtual;\n\n}\n\nabstract contract GNTJoinLike {\n\n function bags(address) public virtual view returns (address);\n\n function make(address) public virtual returns (address);\n\n}\n\nabstract contract DaiJoinLike {\n\n function vat() public virtual returns (VatLike);\n\n function dai() public virtual returns (GemLike);\n\n function join(address, uint) public virtual payable;\n\n function exit(address, uint) public virtual;\n\n}\n\nabstract contract HopeLike {\n\n function hope(address) public virtual;\n\n function nope(address) public virtual;\n\n}\n\nabstract contract EndLike {\n\n function fix(bytes32) public virtual view returns (uint);\n\n function cash(bytes32, uint) public virtual;\n\n function free(bytes32) public virtual;\n\n function pack(uint) public virtual;\n\n function skim(bytes32, address) public virtual;\n\n}\n\nabstract contract JugLike {\n\n function drip(bytes32) public virtual;\n\n}\n\nabstract contract PotLike {\n\n function chi() public virtual view returns (uint);\n\n function pie(address) public virtual view returns (uint);\n\n function drip() public virtual;\n\n function join(uint) public virtual;\n\n function exit(uint) public virtual;\n\n}\n\nabstract contract ProxyRegistryLike {\n\n function proxies(address) public virtual view returns (address);\n\n function build(address) public virtual returns (address);\n\n}\n\nabstract contract ProxyLike {\n\n function owner() public virtual view returns (address);\n\n}\n\nabstract contract DssProxyActions {\n\n function daiJoin_join(address apt, address urn, uint wad) public virtual;\n\n function transfer(address gem, address dst, uint wad) public virtual;\n\n function ethJoin_join(address apt, address urn) public virtual payable;\n\n function gemJoin_join(address apt, address urn, uint wad, bool transferFrom) public virtual payable;\n\n\n\n function hope(address obj, address usr) public virtual;\n\n function nope(address obj, address usr) public virtual;\n\n\n\n function open(address manager, bytes32 ilk, address usr) public virtual returns (uint cdp);\n\n function give(address manager, uint cdp, address usr) public virtual;\n\n function giveToProxy(address proxyRegistry, address manager, uint cdp, address dst) public virtual;\n\n\n\n function cdpAllow(address manager, uint cdp, address usr, uint ok) public virtual;\n\n function urnAllow(address manager, address usr, uint ok) public virtual;\n\n function flux(address manager, uint cdp, address dst, uint wad) public virtual;\n\n function move(address manager, uint cdp, address dst, uint rad) public virtual;\n\n function frob(address manager, uint cdp, int dink, int dart) public virtual;\n\n function frob(address manager, uint cdp, address dst, int dink, int dart) public virtual;\n\n function quit(address manager, uint cdp, address dst) public virtual;\n\n function enter(address manager, address src, uint cdp) public virtual;\n\n function shift(address manager, uint cdpSrc, uint cdpOrg) public virtual;\n\n function makeGemBag(address gemJoin) public virtual returns (address bag);\n\n\n\n function lockETH(address manager, address ethJoin, uint cdp) public virtual payable;\n\n function safeLockETH(address manager, address ethJoin, uint cdp, address owner) public virtual payable;\n\n function lockGem(address manager, address gemJoin, uint cdp, uint wad, bool transferFrom) public virtual;\n\n function safeLockGem(address manager, address gemJoin, uint cdp, uint wad, bool transferFrom, address owner) public virtual;\n\n function freeETH(address manager, address ethJoin, uint cdp, uint wad) public virtual;\n\n function freeGem(address manager, address gemJoin, uint cdp, uint wad) public virtual;\n\n function draw(address manager, address jug, address daiJoin, uint cdp, uint wad) public virtual;\n\n\n\n function wipe(address manager, address daiJoin, uint cdp, uint wad) public virtual;\n\n function safeWipe(address manager, address daiJoin, uint cdp, uint wad, address owner) public virtual;\n\n function wipeAll(address manager, address daiJoin, uint cdp) public virtual;\n\n function safeWipeAll(address manager, address daiJoin, uint cdp, address owner) public virtual;\n\n function lockETHAndDraw(address manager, address jug, address ethJoin, address daiJoin, uint cdp, uint wadD) public virtual payable;\n\n function openLockETHAndDraw(address manager, address jug, address ethJoin, address daiJoin, bytes32 ilk, uint wadD) public virtual payable returns (uint cdp);\n\n function lockGemAndDraw(address manager, address jug, address gemJoin, address daiJoin, uint cdp, uint wadC, uint wadD, bool transferFrom) public virtual;\n\n function openLockGemAndDraw(address manager, address jug, address gemJoin, address daiJoin, bytes32 ilk, uint wadC, uint wadD, bool transferFrom) public virtual returns (uint cdp);\n\n\n\n function openLockGNTAndDraw(address manager, address jug, address gntJoin, address daiJoin, bytes32 ilk, uint wadC, uint wadD) public virtual returns (address bag, uint cdp);\n\n function wipeAndFreeETH(address manager, address ethJoin, address daiJoin, uint cdp, uint wadC, uint wadD) public virtual;\n\n function wipeAllAndFreeETH(address manager, address ethJoin, address daiJoin, uint cdp, uint wadC) public virtual;\n\n function wipeAndFreeGem(address manager, address gemJoin, address daiJoin, uint cdp, uint wadC, uint wadD) public virtual;\n\n function wipeAllAndFreeGem(address manager, address gemJoin, address daiJoin, uint cdp, uint wadC) public virtual;\n\n}\n\nabstract contract DaiJoin {\n\n function vat() public virtual returns (Vat);\n\n function dai() public virtual returns (Gem);\n\n function join(address, uint) public virtual payable;\n\n function exit(address, uint) public virtual;\n\n}\n\nabstract contract DssProxyActionsDsr {\n\n function join(address daiJoin, address pot, uint wad) virtual public;\n\n function exit(address daiJoin, address pot, uint wad) virtual public;\n\n function exitAll(address daiJoin, address pot) virtual public;\n\n}\n\ninterface ERC20 {\n\n function totalSupply() external view returns (uint256 supply);\n\n\n\n function balanceOf(address _owner) external view returns (uint256 balance);\n\n\n\n function transfer(address _to, uint256 _value) external returns (bool success);\n\n\n\n function transferFrom(address _from, address _to, uint256 _value)\n\n external\n\n returns (bool success);\n\n\n\n function approve(address _spender, uint256 _value) external returns (bool success);\n\n\n\n function allowance(address _owner, address _spender) external view returns (uint256 remaining);\n\n\n\n function decimals() external view returns (uint256 digits);\n\n\n\n event Approval(address indexed _owner, address indexed _spender, uint256 _value);\n\n}\n\ninterface ExchangeInterface {\n\n function swapEtherToToken(uint256 _ethAmount, address _tokenAddress, uint256 _maxAmount)\n\n external\n\n payable\n\n returns (uint256, uint256);\n\n\n\n function swapTokenToEther(address _tokenAddress, uint256 _amount, uint256 _maxAmount)\n\n external\n\n returns (uint256);\n\n\n\n function swapTokenToToken(address _src, address _dest, uint256 _amount)\n\n external\n\n payable\n\n returns (uint256);\n\n\n\n function getExpectedRate(address src, address dest, uint256 srcQty)\n\n external\n\n view\n\n returns (uint256 expectedRate);\n\n}\n\ninterface ExchangeInterfaceV2 {\n\n function sell(address _srcAddr, address _destAddr, uint _srcAmount) external payable returns (uint);\n\n\n\n function buy(address _srcAddr, address _destAddr, uint _destAmount) external payable returns(uint);\n\n\n\n function getSellRate(address _srcAddr, address _destAddr, uint _srcAmount) external view returns (uint);\n\n\n\n function getBuyRate(address _srcAddr, address _destAddr, uint _srcAmount) external view returns (uint);\n\n}\n\nabstract contract Faucet {\n\n function gulp(address) public virtual;\n\n}\n\nabstract contract Flipper {\n\n function bids(uint _bidId) public virtual returns (uint256, uint256, address, uint48, uint48, address, address, uint256);\n\n function tend(uint id, uint lot, uint bid) virtual external;\n\n function dent(uint id, uint lot, uint bid) virtual external;\n\n function deal(uint id) virtual external;\n\n}\n\nabstract contract GasTokenInterface is ERC20 {\n\n function free(uint256 value) public virtual returns (bool success);\n\n\n\n function freeUpTo(uint256 value) public virtual returns (uint256 freed);\n\n\n\n function freeFrom(address from, uint256 value) public virtual returns (bool success);\n\n\n\n function freeFromUpTo(address from, uint256 value) public virtual returns (uint256 freed);\n\n}\n\nabstract contract Gem {\n\n function dec() virtual public returns (uint);\n\n function gem() virtual public returns (Gem);\n\n function join(address, uint) virtual public payable;\n\n function exit(address, uint) virtual public;\n\n\n\n function approve(address, uint) virtual public;\n\n function transfer(address, uint) virtual public returns (bool);\n\n function transferFrom(address, address, uint) virtual public returns (bool);\n\n function deposit() virtual public payable;\n\n function withdraw(uint) virtual public;\n\n function allowance(address, address) virtual public returns (uint);\n\n}\n\nabstract contract GetCdps {\n\n function getCdpsAsc(address manager, address guy) external view virtual returns (uint[] memory ids, address[] memory urns, bytes32[] memory ilks);\n\n function getCdpsDesc(address manager, address guy) external view virtual returns (uint[] memory ids, address[] memory urns, bytes32[] memory ilks);\n\n}\n\nabstract contract IAToken {\n\n function redeem(uint256 _amount) external virtual;\n\n}\n\nabstract contract IAaveSubscription {\n\n function subscribe(uint128 _minRatio, uint128 _maxRatio, uint128 _optimalBoost, uint128 _optimalRepay, bool _boostEnabled) public virtual;\n\n function unsubscribe() public virtual;\n\n}\n\nabstract contract ICompoundSubscription {\n\n function subscribe(uint128 _minRatio, uint128 _maxRatio, uint128 _optimalBoost, uint128 _optimalRepay, bool _boostEnabled) public virtual;\n\n function unsubscribe() public virtual;\n\n}\n\nabstract contract ILendingPool {\n\n function flashLoan( address payable _receiver, address _reserve, uint _amount, bytes calldata _params) external virtual;\n\n function deposit(address _reserve, uint256 _amount, uint16 _referralCode) external virtual payable;\n\n\tfunction setUserUseReserveAsCollateral(address _reserve, bool _useAsCollateral) external virtual;\n\n\tfunction borrow(address _reserve, uint256 _amount, uint256 _interestRateMode, uint16 _referralCode) external virtual;\n\n\tfunction repay( address _reserve, uint256 _amount, address payable _onBehalfOf) external virtual payable;\n\n\tfunction swapBorrowRateMode(address _reserve) external virtual;\n\n function getReserves() external virtual view returns(address[] memory);\n\n\n\n /// @param _reserve underlying token address\n\n function getReserveData(address _reserve)\n\n external virtual\n\n view\n\n returns (\n\n uint256 totalLiquidity, // reserve total liquidity\n\n uint256 availableLiquidity, // reserve available liquidity for borrowing\n\n uint256 totalBorrowsStable, // total amount of outstanding borrows at Stable rate\n\n uint256 totalBorrowsVariable, // total amount of outstanding borrows at Variable rate\n\n uint256 liquidityRate, // current deposit APY of the reserve for depositors, in Ray units.\n\n uint256 variableBorrowRate, // current variable rate APY of the reserve pool, in Ray units.\n\n uint256 stableBorrowRate, // current stable rate APY of the reserve pool, in Ray units.\n\n uint256 averageStableBorrowRate, // current average stable borrow rate\n\n uint256 utilizationRate, // expressed as total borrows/total liquidity.\n\n uint256 liquidityIndex, // cumulative liquidity index\n\n uint256 variableBorrowIndex, // cumulative variable borrow index\n\n address aTokenAddress, // aTokens contract address for the specific _reserve\n\n uint40 lastUpdateTimestamp // timestamp of the last update of reserve data\n\n );\n\n\n\n /// @param _user users address\n\n function getUserAccountData(address _user)\n\n external virtual\n\n view\n\n returns (\n\n uint256 totalLiquidityETH, // user aggregated deposits across all the reserves. In Wei\n\n uint256 totalCollateralETH, // user aggregated collateral across all the reserves. In Wei\n\n uint256 totalBorrowsETH, // user aggregated outstanding borrows across all the reserves. In Wei\n\n uint256 totalFeesETH, // user aggregated current outstanding fees in ETH. In Wei\n\n uint256 availableBorrowsETH, // user available amount to borrow in ETH\n\n uint256 currentLiquidationThreshold, // user current average liquidation threshold across all the collaterals deposited\n\n uint256 ltv, // user average Loan-to-Value between all the collaterals\n\n uint256 healthFactor // user current Health Factor\n\n ); \n\n\n\n /// @param _reserve underlying token address\n\n /// @param _user users address\n\n function getUserReserveData(address _reserve, address _user)\n\n external virtual\n\n view\n\n returns (\n\n uint256 currentATokenBalance, // user current reserve aToken balance\n\n uint256 currentBorrowBalance, // user current reserve outstanding borrow balance\n\n uint256 principalBorrowBalance, // user balance of borrowed asset\n\n uint256 borrowRateMode, // user borrow rate mode either Stable or Variable\n\n uint256 borrowRate, // user current borrow rate APY\n\n uint256 liquidityRate, // user current earn rate on _reserve\n\n uint256 originationFee, // user outstanding loan origination fee\n\n uint256 variableBorrowIndex, // user variable cumulative index\n\n uint256 lastUpdateTimestamp, // Timestamp of the last data update\n\n bool usageAsCollateralEnabled // Whether the user's current reserve is enabled as a collateral\n\n );\n\n\n\n function getReserveConfigurationData(address _reserve)\n\n external virtual\n\n view\n\n returns (\n\n uint256 ltv,\n\n uint256 liquidationThreshold,\n\n uint256 liquidationBonus,\n\n address rateStrategyAddress,\n\n bool usageAsCollateralEnabled,\n\n bool borrowingEnabled,\n\n bool stableBorrowRateEnabled,\n\n bool isActive\n\n );\n\n\n\n // ------------------ LendingPoolCoreData ------------------------\n\n function getReserveATokenAddress(address _reserve) public virtual view returns (address);\n\n function getReserveConfiguration(address _reserve)\n\n external virtual\n\n view\n\n returns (uint256, uint256, uint256, bool);\n\n function getUserUnderlyingAssetBalance(address _reserve, address _user)\n\n public virtual\n\n view\n\n returns (uint256);\n\n\n\n function getReserveCurrentLiquidityRate(address _reserve)\n\n public virtual\n\n view\n\n returns (uint256);\n\n function getReserveCurrentVariableBorrowRate(address _reserve)\n\n public virtual\n\n view\n\n returns (uint256);\n\n function getReserveTotalLiquidity(address _reserve)\n\n public virtual\n\n view\n\n returns (uint256);\n\n function getReserveAvailableLiquidity(address _reserve)\n\n public virtual\n\n view\n\n returns (uint256);\n\n function getReserveTotalBorrowsVariable(address _reserve)\n\n public virtual\n\n view\n\n returns (uint256);\n\n\n\n // ---------------- LendingPoolDataProvider ---------------------\n\n function calculateUserGlobalData(address _user)\n\n public virtual\n\n view\n\n returns (\n\n uint256 totalLiquidityBalanceETH,\n\n uint256 totalCollateralBalanceETH,\n\n uint256 totalBorrowBalanceETH,\n\n uint256 totalFeesETH,\n\n uint256 currentLtv,\n\n uint256 currentLiquidationThreshold,\n\n uint256 healthFactor,\n\n bool healthFactorBelowThreshold\n\n );\n\n}\n\nabstract contract ILendingPoolAddressesProvider {\n\n\n\n function getLendingPool() public virtual view returns (address);\n\n function getLendingPoolCore() public virtual view returns (address payable);\n\n function getLendingPoolConfigurator() public virtual view returns (address);\n\n function getLendingPoolDataProvider() public virtual view returns (address);\n\n function getLendingPoolParametersProvider() public virtual view returns (address);\n\n function getTokenDistributor() public virtual view returns (address);\n\n function getFeeProvider() public virtual view returns (address);\n\n function getLendingPoolLiquidationManager() public virtual view returns (address);\n\n function getLendingPoolManager() public virtual view returns (address);\n\n function getPriceOracle() public virtual view returns (address);\n\n function getLendingRateOracle() public virtual view returns (address);\n\n}\n\nabstract contract ILoanShifter {\n\n function getLoanAmount(uint, address) public view virtual returns(uint);\n\n function getUnderlyingAsset(address _addr) public view virtual returns (address);\n\n}\n\nabstract contract IPriceOracleGetterAave {\n\n function getAssetPrice(address _asset) external virtual view returns (uint256);\n\n function getAssetsPrices(address[] calldata _assets) external virtual view returns(uint256[] memory);\n\n function getSourceOfAsset(address _asset) external virtual view returns(address);\n\n function getFallbackOracle() external virtual view returns(address);\n\n}\n\nabstract contract ITokenInterface is ERC20 {\n\n function assetBalanceOf(address _owner) public virtual view returns (uint256);\n\n\n\n function mint(address receiver, uint256 depositAmount) external virtual returns (uint256 mintAmount);\n\n\n\n function burn(address receiver, uint256 burnAmount) external virtual returns (uint256 loanAmountPaid);\n\n\n\n function tokenPrice() public virtual view returns (uint256 price);\n\n}\n\nabstract contract Join {\n\n bytes32 public ilk;\n\n\n\n function dec() virtual public view returns (uint);\n\n function gem() virtual public view returns (Gem);\n\n function join(address, uint) virtual public payable;\n\n function exit(address, uint) virtual public;\n\n}\n\nabstract contract Jug {\n\n struct Ilk {\n\n uint256 duty;\n\n uint256 rho;\n\n }\n\n\n\n mapping (bytes32 => Ilk) public ilks;\n\n\n\n function drip(bytes32) public virtual returns (uint);\n\n}\n\nabstract contract KyberNetworkProxyInterface {\n\n function maxGasPrice() external virtual view returns (uint256);\n\n\n\n function getUserCapInWei(address user) external virtual view returns (uint256);\n\n\n\n function getUserCapInTokenWei(address user, ERC20 token) external virtual view returns (uint256);\n\n\n\n function enabled() external virtual view returns (bool);\n\n\n\n function info(bytes32 id) external virtual view returns (uint256);\n\n\n\n function getExpectedRate(ERC20 src, ERC20 dest, uint256 srcQty)\n\n public virtual\n\n view\n\n returns (uint256 expectedRate, uint256 slippageRate);\n\n\n\n function tradeWithHint(\n\n ERC20 src,\n\n uint256 srcAmount,\n\n ERC20 dest,\n\n address destAddress,\n\n uint256 maxDestAmount,\n\n uint256 minConversionRate,\n\n address walletId,\n\n bytes memory hint\n\n ) public virtual payable returns (uint256);\n\n\n\n function trade(\n\n ERC20 src,\n\n uint256 srcAmount,\n\n ERC20 dest,\n\n address destAddress,\n\n uint256 maxDestAmount,\n\n uint256 minConversionRate,\n\n address walletId\n\n ) public virtual payable returns (uint256);\n\n\n\n function swapEtherToToken(ERC20 token, uint256 minConversionRate)\n\n external virtual\n\n payable\n\n returns (uint256);\n\n\n\n function swapTokenToEther(ERC20 token, uint256 tokenQty, uint256 minRate)\n\n external virtual\n\n payable\n\n returns (uint256);\n\n\n\n function swapTokenToToken(ERC20 src, uint256 srcAmount, ERC20 dest, uint256 minConversionRate)\n\n public virtual\n\n returns (uint256);\n\n}\n\nabstract contract Manager {\n\n function last(address) virtual public returns (uint);\n\n function cdpCan(address, uint, address) virtual public view returns (uint);\n\n function ilks(uint) virtual public view returns (bytes32);\n\n function owns(uint) virtual public view returns (address);\n\n function urns(uint) virtual public view returns (address);\n\n function vat() virtual public view returns (address);\n\n function open(bytes32, address) virtual public returns (uint);\n\n function give(uint, address) virtual public;\n\n function cdpAllow(uint, address, uint) virtual public;\n\n function urnAllow(address, uint) virtual public;\n\n function frob(uint, int, int) virtual public;\n\n function flux(uint, address, uint) virtual public;\n\n function move(uint, address, uint) virtual public;\n\n function exit(address, uint, address, uint) virtual public;\n\n function quit(uint, address) virtual public;\n\n function enter(address, uint) virtual public;\n\n function shift(uint, uint) virtual public;\n\n}\n\nabstract contract OasisInterface {\n\n function getBuyAmount(address tokenToBuy, address tokenToPay, uint256 amountToPay)\n\n external\n\n virtual\n\n view\n\n returns (uint256 amountBought);\n\n\n\n function getPayAmount(address tokenToPay, address tokenToBuy, uint256 amountToBuy)\n\n public virtual\n\n view\n\n returns (uint256 amountPaid);\n\n\n\n function sellAllAmount(address pay_gem, uint256 pay_amt, address buy_gem, uint256 min_fill_amount)\n\n public virtual\n\n returns (uint256 fill_amt);\n\n\n\n function buyAllAmount(address buy_gem, uint256 buy_amt, address pay_gem, uint256 max_fill_amount)\n\n public virtual\n\n returns (uint256 fill_amt);\n\n}\n\nabstract contract Osm {\n\n mapping(address => uint256) public bud;\n\n\n\n function peep() external view virtual returns (bytes32, bool);\n\n}\n\nabstract contract OsmMom {\n\n mapping (bytes32 => address) public osms;\n\n}\n\nabstract contract OtcInterface {\n\n function buyAllAmount(address, uint256, address, uint256) public virtual returns (uint256);\n\n\n\n function getPayAmount(address, address, uint256) public virtual view returns (uint256);\n\n\n\n function getBuyAmount(address, address, uint256) public virtual view returns (uint256);\n\n}\n\nabstract contract PipInterface {\n\n function read() public virtual returns (bytes32);\n\n}\n\nabstract contract ProxyRegistryInterface {\n\n function proxies(address _owner) public virtual view returns (address);\n\n function build(address) public virtual returns (address);\n\n}\n\nabstract contract SaverExchangeInterface {\n\n function getBestPrice(\n\n uint256 _amount,\n\n address _srcToken,\n\n address _destToken,\n\n uint256 _exchangeType\n\n ) public view virtual returns (address, uint256);\n\n}\n\nabstract contract Spotter {\n\n struct Ilk {\n\n PipInterface pip;\n\n uint256 mat;\n\n }\n\n\n\n mapping (bytes32 => Ilk) public ilks;\n\n\n\n uint256 public par;\n\n\n\n}\n\nabstract contract TokenInterface {\n\n function allowance(address, address) public virtual returns (uint256);\n\n\n\n function balanceOf(address) public virtual returns (uint256);\n\n\n\n function approve(address, uint256) public virtual;\n\n\n\n function transfer(address, uint256) public virtual returns (bool);\n\n\n\n function transferFrom(address, address, uint256) public virtual returns (bool);\n\n\n\n function deposit() public virtual payable;\n\n\n\n function withdraw(uint256) public virtual;\n\n}\n\nabstract contract UniswapExchangeInterface {\n\n function getEthToTokenInputPrice(uint256 eth_sold)\n\n external virtual\n\n view\n\n returns (uint256 tokens_bought);\n\n\n\n function getEthToTokenOutputPrice(uint256 tokens_bought)\n\n external virtual\n\n view\n\n returns (uint256 eth_sold);\n\n\n\n function getTokenToEthInputPrice(uint256 tokens_sold)\n\n external virtual\n\n view\n\n returns (uint256 eth_bought);\n\n\n\n function getTokenToEthOutputPrice(uint256 eth_bought)\n\n external virtual\n\n view\n\n returns (uint256 tokens_sold);\n\n\n\n function tokenToEthTransferInput(\n\n uint256 tokens_sold,\n\n uint256 min_eth,\n\n uint256 deadline,\n\n address recipient\n\n ) external virtual returns (uint256 eth_bought);\n\n\n\n function ethToTokenTransferInput(uint256 min_tokens, uint256 deadline, address recipient)\n\n external virtual\n\n payable\n\n returns (uint256 tokens_bought);\n\n\n\n function tokenToTokenTransferInput(\n\n uint256 tokens_sold,\n\n uint256 min_tokens_bought,\n\n uint256 min_eth_bought,\n\n uint256 deadline,\n\n address recipient,\n\n address token_addr\n\n ) external virtual returns (uint256 tokens_bought);\n\n\n\n function ethToTokenTransferOutput(\n\n uint256 tokens_bought,\n\n uint256 deadline,\n\n address recipient\n\n ) external virtual payable returns (uint256 eth_sold);\n\n\n\n function tokenToEthTransferOutput(\n\n uint256 eth_bought,\n\n uint256 max_tokens,\n\n uint256 deadline,\n\n address recipient\n\n ) external virtual returns (uint256 tokens_sold);\n\n\n\n function tokenToTokenTransferOutput(\n\n uint256 tokens_bought,\n\n uint256 max_tokens_sold,\n\n uint256 max_eth_sold,\n\n uint256 deadline,\n\n address recipient,\n\n address token_addr\n\n ) external virtual returns (uint256 tokens_sold);\n\n\n\n}\n\nabstract contract UniswapFactoryInterface {\n\n function getExchange(address token) external view virtual returns (address exchange);\n\n}\n\nabstract contract UniswapRouterInterface {\n\n function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)\n\n external\n\n virtual\n\n returns (uint[] memory amounts);\n\n\n\n function swapExactTokensForTokens(\n\n uint amountIn,\n\n uint amountOutMin,\n\n address[] calldata path,\n\n address to,\n\n uint deadline\n\n ) external virtual returns (uint[] memory amounts);\n\n\n\n function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)\n\n external virtual\n\n returns (uint[] memory amounts);\n\n\n\n function swapTokensForExactTokens(\n\n uint amountOut,\n\n uint amountInMax,\n\n address[] calldata path,\n\n address to,\n\n uint deadline\n\n ) external virtual returns (uint[] memory amounts);\n\n\n\n function getAmountsOut(uint amountIn, address[] memory path) public virtual view returns (uint[] memory amounts);\n\n\n\n function getAmountsIn(uint amountOut, address[] memory path) public virtual view returns (uint[] memory amounts);\n\n}\n\nabstract contract Vat {\n\n\n\n struct Urn {\n\n uint256 ink; // Locked Collateral [wad]\n\n uint256 art; // Normalised Debt [wad]\n\n }\n\n\n\n struct Ilk {\n\n uint256 Art; // Total Normalised Debt [wad]\n\n uint256 rate; // Accumulated Rates [ray]\n\n uint256 spot; // Price with Safety Margin [ray]\n\n uint256 line; // Debt Ceiling [rad]\n\n uint256 dust; // Urn Debt Floor [rad]\n\n }\n\n\n\n mapping (bytes32 => mapping (address => Urn )) public urns;\n\n mapping (bytes32 => Ilk) public ilks;\n\n mapping (bytes32 => mapping (address => uint)) public gem; // [wad]\n\n\n\n function can(address, address) virtual public view returns (uint);\n\n function dai(address) virtual public view returns (uint);\n\n function frob(bytes32, address, address, address, int, int) virtual public;\n\n function hope(address) virtual public;\n\n function move(address, address, uint) virtual public;\n\n function fork(bytes32, address, address, int, int) virtual public;\n\n}\n\ncontract DefisaverLogger {\n\n event LogEvent(\n\n address indexed contractAddress,\n\n address indexed caller,\n\n string indexed logName,\n\n bytes data\n\n );\n\n\n\n // solhint-disable-next-line func-name-mixedcase\n\n function Log(address _contract, address _caller, string memory _logName, bytes memory _data)\n\n public\n\n {\n\n emit LogEvent(_contract, _caller, _logName, _data);\n\n }\n\n}\n\ncontract MCDMonitorProxyV2 is AdminAuth {\n\n\n\n uint public CHANGE_PERIOD;\n\n address public monitor;\n\n address public newMonitor;\n\n address public lastMonitor;\n\n uint public changeRequestedTimestamp;\n\n\n\n mapping(address => bool) public allowed;\n\n\n\n event MonitorChangeInitiated(address oldMonitor, address newMonitor);\n\n event MonitorChangeCanceled();\n\n event MonitorChangeFinished(address monitor);\n\n event MonitorChangeReverted(address monitor);\n\n\n\n // if someone who is allowed become malicious, owner can't be changed\n\n modifier onlyAllowed() {\n\n require(allowed[msg.sender] || msg.sender == owner);\n\n _;\n\n }\n\n\n\n modifier onlyMonitor() {\n\n require (msg.sender == monitor);\n\n _;\n\n }\n\n\n\n constructor(uint _changePeriod) public {\n\n CHANGE_PERIOD = _changePeriod * 1 days;\n\n }\n\n\n\n /// @notice Only monitor contract is able to call execute on users proxy\n\n /// @param _owner Address of cdp owner (users DSProxy address)\n\n /// @param _saverProxy Address of MCDSaverProxy\n\n /// @param _data Data to send to MCDSaverProxy\n\n function callExecute(address _owner, address _saverProxy, bytes memory _data) public payable onlyMonitor {\n\n // execute reverts if calling specific method fails\n\n DSProxyInterface(_owner).execute{value: msg.value}(_saverProxy, _data);\n\n\n\n // return if anything left\n\n if (address(this).balance > 0) {\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n /// @notice Allowed users are able to set Monitor contract without any waiting period first time\n\n /// @param _monitor Address of Monitor contract\n\n function setMonitor(address _monitor) public onlyAllowed {\n\n require(monitor == address(0));\n\n monitor = _monitor;\n\n }\n\n\n\n /// @notice Allowed users are able to start procedure for changing monitor\n\n /// @dev after CHANGE_PERIOD needs to call confirmNewMonitor to actually make a change\n\n /// @param _newMonitor address of new monitor\n\n function changeMonitor(address _newMonitor) public onlyAllowed {\n\n require(changeRequestedTimestamp == 0);\n\n\n\n changeRequestedTimestamp = now;\n\n lastMonitor = monitor;\n\n newMonitor = _newMonitor;\n\n\n\n emit MonitorChangeInitiated(lastMonitor, newMonitor);\n\n }\n\n\n\n /// @notice At any point allowed users are able to cancel monitor change\n\n function cancelMonitorChange() public onlyAllowed {\n\n require(changeRequestedTimestamp > 0);\n\n\n\n changeRequestedTimestamp = 0;\n\n newMonitor = address(0);\n\n\n\n emit MonitorChangeCanceled();\n\n }\n\n\n\n /// @notice Anyone is able to confirm new monitor after CHANGE_PERIOD if process is started\n\n function confirmNewMonitor() public onlyAllowed {\n\n require((changeRequestedTimestamp + CHANGE_PERIOD) < now);\n\n require(changeRequestedTimestamp != 0);\n\n require(newMonitor != address(0));\n\n\n\n monitor = newMonitor;\n\n newMonitor = address(0);\n\n changeRequestedTimestamp = 0;\n\n\n\n emit MonitorChangeFinished(monitor);\n\n }\n\n\n\n /// @notice Its possible to revert monitor to last used monitor\n\n function revertMonitor() public onlyAllowed {\n\n require(lastMonitor != address(0));\n\n\n\n monitor = lastMonitor;\n\n\n\n emit MonitorChangeReverted(monitor);\n\n }\n\n\n\n\n\n /// @notice Allowed users are able to add new allowed user\n\n /// @param _user Address of user that will be allowed\n\n function addAllowed(address _user) public onlyAllowed {\n\n allowed[_user] = true;\n\n }\n\n\n\n /// @notice Allowed users are able to remove allowed user\n\n /// @dev owner is always allowed even if someone tries to remove it from allowed mapping\n\n /// @param _user Address of allowed user\n\n function removeAllowed(address _user) public onlyAllowed {\n\n allowed[_user] = false;\n\n }\n\n\n\n function setChangePeriod(uint _periodInDays) public onlyAllowed {\n\n require(_periodInDays * 1 days > CHANGE_PERIOD);\n\n\n\n CHANGE_PERIOD = _periodInDays * 1 days;\n\n }\n\n\n\n /// @notice In case something is left in contract, owner is able to withdraw it\n\n /// @param _token address of token to withdraw balance\n\n function withdrawToken(address _token) public onlyOwner {\n\n uint balance = ERC20(_token).balanceOf(address(this));\n\n ERC20(_token).transfer(msg.sender, balance);\n\n }\n\n\n\n /// @notice In case something is left in contract, owner is able to withdraw it\n\n function withdrawEth() public onlyOwner {\n\n uint balance = address(this).balance;\n\n msg.sender.transfer(balance);\n\n }\n\n}\n\ncontract MCDPriceVerifier is AdminAuth {\n\n\n\n OsmMom public osmMom = OsmMom(0x76416A4d5190d071bfed309861527431304aA14f);\n\n Manager public manager = Manager(0x5ef30b9986345249bc32d8928B7ee64DE9435E39);\n\n\n\n mapping(address => bool) public authorized;\n\n\n\n function verifyVaultNextPrice(uint _nextPrice, uint _cdpId) public view returns(bool) {\n\n require(authorized[msg.sender]);\n\n\n\n bytes32 ilk = manager.ilks(_cdpId);\n\n\n\n return verifyNextPrice(_nextPrice, ilk);\n\n }\n\n\n\n function verifyNextPrice(uint _nextPrice, bytes32 _ilk) public view returns(bool) {\n\n require(authorized[msg.sender]);\n\n\n\n address osmAddress = osmMom.osms(_ilk);\n\n\n\n uint whitelisted = Osm(osmAddress).bud(address(this));\n\n // If contracts doesn't have access return true\n\n if (whitelisted != 1) return true;\n\n\n\n (bytes32 price, bool has) = Osm(osmAddress).peep();\n\n\n\n return has ? uint(price) == _nextPrice : false;\n\n }\n\n\n\n function setAuthorized(address _address, bool _allowed) public onlyOwner {\n\n authorized[_address] = _allowed;\n\n }\n\n}\n\nabstract contract StaticV2 {\n\n\n\n enum Method { Boost, Repay }\n\n\n\n struct CdpHolder {\n\n uint128 minRatio;\n\n uint128 maxRatio;\n\n uint128 optimalRatioBoost;\n\n uint128 optimalRatioRepay;\n\n address owner;\n\n uint cdpId;\n\n bool boostEnabled;\n\n bool nextPriceEnabled;\n\n }\n\n\n\n struct SubPosition {\n\n uint arrPos;\n\n bool subscribed;\n\n }\n\n}\n\ncontract SubscriptionsInterfaceV2 {\n\n function subscribe(uint _cdpId, uint128 _minRatio, uint128 _maxRatio, uint128 _optimalBoost, uint128 _optimalRepay, bool _boostEnabled, bool _nextPriceEnabled) external {}\n\n function unsubscribe(uint _cdpId) external {}\n\n}\n\ncontract SubscriptionsProxyV2 {\n\n\n\n address public constant MONITOR_PROXY_ADDRESS = 0x7456f4218874eAe1aF8B83a64848A1B89fEB7d7C;\n\n address public constant OLD_SUBSCRIPTION = 0x83152CAA0d344a2Fd428769529e2d490A88f4393;\n\n address public constant FACTORY_ADDRESS = 0x5a15566417e6C1c9546523066500bDDBc53F88C7;\n\n\n\n function migrate(uint _cdpId, uint128 _minRatio, uint128 _maxRatio, uint128 _optimalRatioBoost, uint128 _optimalRatioRepay, bool _boostEnabled, bool _nextPriceEnabled, address _subscriptions) public {\n\n SubscriptionsInterfaceV2(OLD_SUBSCRIPTION).unsubscribe(_cdpId);\n\n\n\n subscribe(_cdpId, _minRatio, _maxRatio, _optimalRatioBoost, _optimalRatioRepay, _boostEnabled, _nextPriceEnabled, _subscriptions);\n\n }\n\n\n\n function subscribe(uint _cdpId, uint128 _minRatio, uint128 _maxRatio, uint128 _optimalRatioBoost, uint128 _optimalRatioRepay, bool _boostEnabled, bool _nextPriceEnabled, address _subscriptions) public {\n\n\n\n address currAuthority = address(DSAuth(address(this)).authority());\n\n DSGuard guard = DSGuard(currAuthority);\n\n\n\n if (currAuthority == address(0)) {\n\n guard = DSGuardFactory(FACTORY_ADDRESS).newGuard();\n\n DSAuth(address(this)).setAuthority(DSAuthority(address(guard)));\n\n }\n\n\n\n guard.permit(MONITOR_PROXY_ADDRESS, address(this), bytes4(keccak256(\"execute(address,bytes)\")));\n\n\n\n SubscriptionsInterfaceV2(_subscriptions).subscribe(_cdpId, _minRatio, _maxRatio, _optimalRatioBoost, _optimalRatioRepay, _boostEnabled, _nextPriceEnabled);\n\n }\n\n\n\n function update(uint _cdpId, uint128 _minRatio, uint128 _maxRatio, uint128 _optimalRatioBoost, uint128 _optimalRatioRepay, bool _boostEnabled, bool _nextPriceEnabled, address _subscriptions) public {\n\n SubscriptionsInterfaceV2(_subscriptions).subscribe(_cdpId, _minRatio, _maxRatio, _optimalRatioBoost, _optimalRatioRepay, _boostEnabled, _nextPriceEnabled);\n\n }\n\n\n\n function unsubscribe(uint _cdpId, address _subscriptions) public {\n\n SubscriptionsInterfaceV2(_subscriptions).unsubscribe(_cdpId);\n\n }\n\n}\n\ncontract SubscriptionsV2 is AdminAuth, StaticV2 {\n\n\n\n bytes32 internal constant ETH_ILK = 0x4554482d41000000000000000000000000000000000000000000000000000000;\n\n bytes32 internal constant BAT_ILK = 0x4241542d41000000000000000000000000000000000000000000000000000000;\n\n\n\n address public constant MANAGER_ADDRESS = 0x5ef30b9986345249bc32d8928B7ee64DE9435E39;\n\n address public constant VAT_ADDRESS = 0x35D1b3F3D7966A1DFe207aa4514C12a259A0492B;\n\n address public constant SPOTTER_ADDRESS = 0x65C79fcB50Ca1594B025960e539eD7A9a6D434A3;\n\n\n\n CdpHolder[] public subscribers;\n\n mapping (uint => SubPosition) public subscribersPos;\n\n\n\n mapping (bytes32 => uint) public minLimits;\n\n\n\n uint public changeIndex;\n\n\n\n Manager public manager = Manager(MANAGER_ADDRESS);\n\n Vat public vat = Vat(VAT_ADDRESS);\n\n Spotter public spotter = Spotter(SPOTTER_ADDRESS);\n\n MCDSaverProxy public saverProxy;\n\n\n\n event Subscribed(address indexed owner, uint cdpId);\n\n event Unsubscribed(address indexed owner, uint cdpId);\n\n event Updated(address indexed owner, uint cdpId);\n\n event ParamUpdates(address indexed owner, uint cdpId, uint128, uint128, uint128, uint128, bool boostEnabled);\n\n\n\n /// @param _saverProxy Address of the MCDSaverProxy contract\n\n constructor(address _saverProxy) public {\n\n saverProxy = MCDSaverProxy(payable(_saverProxy));\n\n\n\n minLimits[ETH_ILK] = 1700000000000000000;\n\n minLimits[BAT_ILK] = 1700000000000000000;\n\n }\n\n\n\n /// @dev Called by the DSProxy contract which owns the CDP\n\n /// @notice Adds the users CDP in the list of subscriptions so it can be monitored\n\n /// @param _cdpId Id of the CDP\n\n /// @param _minRatio Minimum ratio below which repay is triggered\n\n /// @param _maxRatio Maximum ratio after which boost is triggered\n\n /// @param _optimalBoost Ratio amount which boost should target\n\n /// @param _optimalRepay Ratio amount which repay should target\n\n /// @param _boostEnabled Boolean determing if boost is enabled\n\n /// @param _nextPriceEnabled Boolean determing if we can use nextPrice for this cdp\n\n function subscribe(uint _cdpId, uint128 _minRatio, uint128 _maxRatio, uint128 _optimalBoost, uint128 _optimalRepay, bool _boostEnabled, bool _nextPriceEnabled) external {\n\n require(isOwner(msg.sender, _cdpId), \"Must be called by Cdp owner\");\n\n\n\n // if boost is not enabled, set max ratio to max uint\n\n uint128 localMaxRatio = _boostEnabled ? _maxRatio : uint128(-1);\n\n require(checkParams(manager.ilks(_cdpId), _minRatio, localMaxRatio), \"Must be correct params\");\n\n\n\n SubPosition storage subInfo = subscribersPos[_cdpId];\n\n\n\n CdpHolder memory subscription = CdpHolder({\n\n minRatio: _minRatio,\n\n maxRatio: localMaxRatio,\n\n optimalRatioBoost: _optimalBoost,\n\n optimalRatioRepay: _optimalRepay,\n\n owner: msg.sender,\n\n cdpId: _cdpId,\n\n boostEnabled: _boostEnabled,\n\n nextPriceEnabled: _nextPriceEnabled\n\n });\n\n\n\n changeIndex++;\n\n\n\n if (subInfo.subscribed) {\n\n subscribers[subInfo.arrPos] = subscription;\n\n\n\n emit Updated(msg.sender, _cdpId);\n\n emit ParamUpdates(msg.sender, _cdpId, _minRatio, localMaxRatio, _optimalBoost, _optimalRepay, _boostEnabled);\n\n } else {\n\n subscribers.push(subscription);\n\n\n\n subInfo.arrPos = subscribers.length - 1;\n\n subInfo.subscribed = true;\n\n\n\n emit Subscribed(msg.sender, _cdpId);\n\n }\n\n }\n\n\n\n /// @notice Called by the users DSProxy\n\n /// @dev Owner who subscribed cancels his subscription\n\n function unsubscribe(uint _cdpId) external {\n\n require(isOwner(msg.sender, _cdpId), \"Must be called by Cdp owner\");\n\n\n\n _unsubscribe(_cdpId);\n\n }\n\n\n\n /// @dev Checks if the _owner is the owner of the CDP\n\n function isOwner(address _owner, uint _cdpId) internal view returns (bool) {\n\n return getOwner(_cdpId) == _owner;\n\n }\n\n\n\n /// @dev Checks limit for minimum ratio and if minRatio is bigger than max\n\n function checkParams(bytes32 _ilk, uint128 _minRatio, uint128 _maxRatio) internal view returns (bool) {\n\n if (_minRatio < minLimits[_ilk]) {\n\n return false;\n\n }\n\n\n\n if (_minRatio > _maxRatio) {\n\n return false;\n\n }\n\n\n\n return true;\n\n }\n\n\n\n /// @dev Internal method to remove a subscriber from the list\n\n function _unsubscribe(uint _cdpId) internal {\n\n require(subscribers.length > 0, \"Must have subscribers in the list\");\n\n\n\n SubPosition storage subInfo = subscribersPos[_cdpId];\n\n\n\n require(subInfo.subscribed, \"Must first be subscribed\");\n\n\n\n uint lastCdpId = subscribers[subscribers.length - 1].cdpId;\n\n\n\n SubPosition storage subInfo2 = subscribersPos[lastCdpId];\n\n subInfo2.arrPos = subInfo.arrPos;\n\n\n\n subscribers[subInfo.arrPos] = subscribers[subscribers.length - 1];\n\n subscribers.pop();\n\n\n\n changeIndex++;\n\n subInfo.subscribed = false;\n\n subInfo.arrPos = 0;\n\n\n\n emit Unsubscribed(msg.sender, _cdpId);\n\n }\n\n\n\n /// @notice Returns an address that owns the CDP\n\n /// @param _cdpId Id of the CDP\n\n function getOwner(uint _cdpId) public view returns(address) {\n\n return manager.owns(_cdpId);\n\n }\n\n\n\n /// @notice Helper method for the front to get all the info about the subscribed CDP\n\n function getSubscribedInfo(uint _cdpId) public view returns(bool, uint128, uint128, uint128, uint128, address, uint coll, uint debt) {\n\n SubPosition memory subInfo = subscribersPos[_cdpId];\n\n\n\n if (!subInfo.subscribed) return (false, 0, 0, 0, 0, address(0), 0, 0);\n\n\n\n (coll, debt) = saverProxy.getCdpInfo(manager, _cdpId, manager.ilks(_cdpId));\n\n\n\n CdpHolder memory subscriber = subscribers[subInfo.arrPos];\n\n\n\n return (\n\n true,\n\n subscriber.minRatio,\n\n subscriber.maxRatio,\n\n subscriber.optimalRatioRepay,\n\n subscriber.optimalRatioBoost,\n\n subscriber.owner,\n\n coll,\n\n debt\n\n );\n\n }\n\n\n\n function getCdpHolder(uint _cdpId) public view returns (bool subscribed, CdpHolder memory) {\n\n SubPosition memory subInfo = subscribersPos[_cdpId];\n\n\n\n if (!subInfo.subscribed) return (false, CdpHolder(0, 0, 0, 0, address(0), 0, false, false));\n\n\n\n CdpHolder memory subscriber = subscribers[subInfo.arrPos];\n\n\n\n return (true, subscriber);\n\n }\n\n\n\n /// @notice Helper method for the front to get the information about the ilk of a CDP\n\n function getIlkInfo(bytes32 _ilk, uint _cdpId) public view returns(bytes32 ilk, uint art, uint rate, uint spot, uint line, uint dust, uint mat, uint par) {\n\n // send either ilk or cdpId\n\n if (_ilk == bytes32(0)) {\n\n _ilk = manager.ilks(_cdpId);\n\n }\n\n\n\n ilk = _ilk;\n\n (,mat) = spotter.ilks(_ilk);\n\n par = spotter.par();\n\n (art, rate, spot, line, dust) = vat.ilks(_ilk);\n\n }\n\n\n\n /// @notice Helper method to return all the subscribed CDPs\n\n function getSubscribers() public view returns (CdpHolder[] memory) {\n\n return subscribers;\n\n }\n\n\n\n /// @notice Helper method to return all the subscribed CDPs\n\n function getSubscribersByPage(uint _page, uint _perPage) public view returns (CdpHolder[] memory) {\n\n CdpHolder[] memory holders = new CdpHolder[](_perPage);\n\n\n\n uint start = _page * _perPage;\n\n uint end = start + _perPage;\n\n\n\n uint count = 0;\n\n for (uint i=start; i<end; i++) {\n\n holders[count] = subscribers[i];\n\n count++;\n\n }\n\n\n\n return holders;\n\n }\n\n\n\n ////////////// ADMIN METHODS ///////////////////\n\n\n\n /// @notice Admin function to change a min. limit for an asset\n\n function changeMinRatios(bytes32 _ilk, uint _newRatio) public onlyOwner {\n\n minLimits[_ilk] = _newRatio;\n\n }\n\n\n\n /// @notice Admin function to unsubscribe a CDP\n\n function unsubscribeByAdmin(uint _cdpId) public onlyOwner {\n\n SubPosition storage subInfo = subscribersPos[_cdpId];\n\n\n\n if (subInfo.subscribed) {\n\n _unsubscribe(_cdpId);\n\n }\n\n }\n\n}\n\ncontract BidProxy {\n\n\n\n address public constant DAI_JOIN = 0x9759A6Ac90977b93B58547b4A71c78317f391A28;\n\n\n\n address public constant VAT_ADDRESS = 0x35D1b3F3D7966A1DFe207aa4514C12a259A0492B;\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n\n\n function daiBid(uint _bidId, uint _amount, address _flipper) public {\n\n uint tendAmount = _amount * (10 ** 27);\n\n\n\n joinDai(_amount);\n\n\n\n (, uint lot, , , , , , ) = Flipper(_flipper).bids(_bidId);\n\n\n\n Vat(VAT_ADDRESS).hope(_flipper);\n\n\n\n Flipper(_flipper).tend(_bidId, lot, tendAmount);\n\n }\n\n\n\n function collateralBid(uint _bidId, uint _amount, address _flipper) public {\n\n (uint bid, , , , , , , ) = Flipper(_flipper).bids(_bidId);\n\n\n\n joinDai(bid / (10**27));\n\n\n\n Vat(VAT_ADDRESS).hope(_flipper);\n\n\n\n Flipper(_flipper).dent(_bidId, _amount, bid);\n\n }\n\n\n\n function closeBid(uint _bidId, address _flipper, address _joinAddr) public {\n\n bytes32 ilk = Join(_joinAddr).ilk();\n\n\n\n Flipper(_flipper).deal(_bidId);\n\n uint amount = Vat(VAT_ADDRESS).gem(ilk, address(this)) / (10**27);\n\n\n\n Vat(VAT_ADDRESS).hope(_joinAddr);\n\n Gem(_joinAddr).exit(msg.sender, amount);\n\n }\n\n\n\n function exitCollateral(address _joinAddr) public {\n\n bytes32 ilk = Join(_joinAddr).ilk();\n\n\n\n uint amount = Vat(VAT_ADDRESS).gem(ilk, address(this)) / (10**27);\n\n\n\n Vat(VAT_ADDRESS).hope(_joinAddr);\n\n Gem(_joinAddr).exit(msg.sender, amount);\n\n }\n\n\n\n function exitDai() public {\n\n uint amount = Vat(VAT_ADDRESS).dai(address(this)) / (10**27);\n\n\n\n Vat(VAT_ADDRESS).hope(DAI_JOIN);\n\n Gem(DAI_JOIN).exit(msg.sender, amount);\n\n }\n\n\n\n function withdrawToken(address _token) public {\n\n uint balance = ERC20(_token).balanceOf(address(this));\n\n ERC20(_token).transfer(msg.sender, balance);\n\n }\n\n\n\n function withdrawEth() public {\n\n uint balance = address(this).balance;\n\n msg.sender.transfer(balance);\n\n }\n\n\n\n function joinDai(uint _amount) internal {\n\n uint amountInVat = Vat(VAT_ADDRESS).dai(address(this)) / (10**27);\n\n\n\n if (_amount > amountInVat) {\n\n uint amountDiff = (_amount - amountInVat) + 1;\n\n\n\n ERC20(DAI_ADDRESS).transferFrom(msg.sender, address(this), amountDiff);\n\n ERC20(DAI_ADDRESS).approve(DAI_JOIN, amountDiff);\n\n Join(DAI_JOIN).join(address(this), amountDiff);\n\n }\n\n }\n\n}\n\nabstract contract IMCDSubscriptions {\n\n function unsubscribe(uint256 _cdpId) external virtual ;\n\n\n\n function subscribersPos(uint256 _cdpId) external virtual returns (uint256, bool);\n\n}\n\nabstract contract GemLike {\n\n function approve(address, uint256) public virtual;\n\n\n\n function transfer(address, uint256) public virtual;\n\n\n\n function transferFrom(address, address, uint256) public virtual;\n\n\n\n function deposit() public virtual payable;\n\n\n\n function withdraw(uint256) public virtual;\n\n}\n\nabstract contract ManagerLike {\n\n function cdpCan(address, uint256, address) public virtual view returns (uint256);\n\n\n\n function ilks(uint256) public virtual view returns (bytes32);\n\n\n\n function owns(uint256) public virtual view returns (address);\n\n\n\n function urns(uint256) public virtual view returns (address);\n\n\n\n function vat() public virtual view returns (address);\n\n\n\n function open(bytes32, address) public virtual returns (uint256);\n\n\n\n function give(uint256, address) public virtual;\n\n\n\n function cdpAllow(uint256, address, uint256) public virtual;\n\n\n\n function urnAllow(address, uint256) public virtual;\n\n\n\n function frob(uint256, int256, int256) public virtual;\n\n\n\n function flux(uint256, address, uint256) public virtual;\n\n\n\n function move(uint256, address, uint256) public virtual;\n\n\n\n function exit(address, uint256, address, uint256) public virtual;\n\n\n\n function quit(uint256, address) public virtual;\n\n\n\n function enter(address, uint256) public virtual;\n\n\n\n function shift(uint256, uint256) public virtual;\n\n}\n\nabstract contract VatLike {\n\n function can(address, address) public virtual view returns (uint256);\n\n\n\n function ilks(bytes32) public virtual view returns (uint256, uint256, uint256, uint256, uint256);\n\n\n\n function dai(address) public virtual view returns (uint256);\n\n\n\n function urns(bytes32, address) public virtual view returns (uint256, uint256);\n\n\n\n function frob(bytes32, address, address, address, int256, int256) public virtual;\n\n\n\n function hope(address) public virtual;\n\n\n\n function move(address, address, uint256) public virtual;\n\n}\n\nabstract contract GemJoinLike {\n\n function dec() public virtual returns (uint256);\n\n\n\n function gem() public virtual returns (GemLike);\n\n\n\n function join(address, uint256) public virtual payable;\n\n\n\n function exit(address, uint256) public virtual;\n\n}\n\nabstract contract GNTJoinLike {\n\n function bags(address) public virtual view returns (address);\n\n\n\n function make(address) public virtual returns (address);\n\n}\n\nabstract contract DaiJoinLike {\n\n function vat() public virtual returns (VatLike);\n\n\n\n function dai() public virtual returns (GemLike);\n\n\n\n function join(address, uint256) public virtual payable;\n\n\n\n function exit(address, uint256) public virtual;\n\n}\n\nabstract contract HopeLike {\n\n function hope(address) public virtual;\n\n\n\n function nope(address) public virtual;\n\n}\n\nabstract contract ProxyRegistryInterface {\n\n function build(address) public virtual returns (address);\n\n}\n\nabstract contract EndLike {\n\n function fix(bytes32) public virtual view returns (uint256);\n\n\n\n function cash(bytes32, uint256) public virtual;\n\n\n\n function free(bytes32) public virtual;\n\n\n\n function pack(uint256) public virtual;\n\n\n\n function skim(bytes32, address) public virtual;\n\n}\n\nabstract contract JugLike {\n\n function drip(bytes32) public virtual returns (uint256);\n\n}\n\nabstract contract PotLike {\n\n function pie(address) public virtual view returns (uint256);\n\n\n\n function drip() public virtual returns (uint256);\n\n\n\n function join(uint256) public virtual;\n\n\n\n function exit(uint256) public virtual;\n\n}\n\nabstract contract ProxyRegistryLike {\n\n function proxies(address) public virtual view returns (address);\n\n\n\n function build(address) public virtual returns (address);\n\n}\n\nabstract contract ProxyLike {\n\n function owner() public virtual view returns (address);\n\n}\n\ncontract Common {\n\n uint256 constant RAY = 10**27;\n\n\n\n // Internal functions\n\n\n\n function mul(uint256 x, uint256 y) internal pure returns (uint256 z) {\n\n require(y == 0 || (z = x * y) / y == x, \"mul-overflow\");\n\n }\n\n\n\n // Public functions\n\n // solhint-disable-next-line func-name-mixedcase\n\n function daiJoin_join(address apt, address urn, uint256 wad) public {\n\n // Gets DAI from the user's wallet\n\n DaiJoinLike(apt).dai().transferFrom(msg.sender, address(this), wad);\n\n // Approves adapter to take the DAI amount\n\n DaiJoinLike(apt).dai().approve(apt, wad);\n\n // Joins DAI into the vat\n\n DaiJoinLike(apt).join(urn, wad);\n\n }\n\n}\n\ncontract MCDCreateProxyActions is Common {\n\n // Internal functions\n\n\n\n function sub(uint256 x, uint256 y) internal pure returns (uint256 z) {\n\n require((z = x - y) <= x, \"sub-overflow\");\n\n }\n\n\n\n function toInt(uint256 x) internal pure returns (int256 y) {\n\n y = int256(x);\n\n require(y >= 0, \"int-overflow\");\n\n }\n\n\n\n function toRad(uint256 wad) internal pure returns (uint256 rad) {\n\n rad = mul(wad, 10**27);\n\n }\n\n\n\n function convertTo18(address gemJoin, uint256 amt) internal returns (uint256 wad) {\n\n // For those collaterals that have less than 18 decimals precision we need to do the conversion before passing to frob function\n\n // Adapters will automatically handle the difference of precision\n\n wad = mul(amt, 10**(18 - GemJoinLike(gemJoin).dec()));\n\n }\n\n\n\n function _getDrawDart(address vat, address jug, address urn, bytes32 ilk, uint256 wad)\n\n internal\n\n returns (int256 dart)\n\n {\n\n // Updates stability fee rate\n\n uint256 rate = JugLike(jug).drip(ilk);\n\n\n\n // Gets DAI balance of the urn in the vat\n\n uint256 dai = VatLike(vat).dai(urn);\n\n\n\n // If there was already enough DAI in the vat balance, just exits it without adding more debt\n\n if (dai < mul(wad, RAY)) {\n\n // Calculates the needed dart so together with the existing dai in the vat is enough to exit wad amount of DAI tokens\n\n dart = toInt(sub(mul(wad, RAY), dai) / rate);\n\n // This is neeeded due lack of precision. It might need to sum an extra dart wei (for the given DAI wad amount)\n\n dart = mul(uint256(dart), rate) < mul(wad, RAY) ? dart + 1 : dart;\n\n }\n\n }\n\n\n\n function _getWipeDart(address vat, uint256 dai, address urn, bytes32 ilk)\n\n internal\n\n view\n\n returns (int256 dart)\n\n {\n\n // Gets actual rate from the vat\n\n (, uint256 rate, , , ) = VatLike(vat).ilks(ilk);\n\n // Gets actual art value of the urn\n\n (, uint256 art) = VatLike(vat).urns(ilk, urn);\n\n\n\n // Uses the whole dai balance in the vat to reduce the debt\n\n dart = toInt(dai / rate);\n\n // Checks the calculated dart is not higher than urn.art (total debt), otherwise uses its value\n\n dart = uint256(dart) <= art ? -dart : -toInt(art);\n\n }\n\n\n\n function _getWipeAllWad(address vat, address usr, address urn, bytes32 ilk)\n\n internal\n\n view\n\n returns (uint256 wad)\n\n {\n\n // Gets actual rate from the vat\n\n (, uint256 rate, , , ) = VatLike(vat).ilks(ilk);\n\n // Gets actual art value of the urn\n\n (, uint256 art) = VatLike(vat).urns(ilk, urn);\n\n // Gets actual dai amount in the urn\n\n uint256 dai = VatLike(vat).dai(usr);\n\n\n\n uint256 rad = sub(mul(art, rate), dai);\n\n wad = rad / RAY;\n\n\n\n // If the rad precision has some dust, it will need to request for 1 extra wad wei\n\n wad = mul(wad, RAY) < rad ? wad + 1 : wad;\n\n }\n\n\n\n // Public functions\n\n\n\n function transfer(address gem, address dst, uint256 wad) public {\n\n GemLike(gem).transfer(dst, wad);\n\n }\n\n\n\n // solhint-disable-next-line func-name-mixedcase\n\n function ethJoin_join(address apt, address urn) public payable {\n\n // Wraps ETH in WETH\n\n GemJoinLike(apt).gem().deposit{value: msg.value}();\n\n // Approves adapter to take the WETH amount\n\n GemJoinLike(apt).gem().approve(address(apt), msg.value);\n\n // Joins WETH collateral into the vat\n\n GemJoinLike(apt).join(urn, msg.value);\n\n }\n\n\n\n // solhint-disable-next-line func-name-mixedcase\n\n function gemJoin_join(address apt, address urn, uint256 wad, bool transferFrom) public {\n\n // Only executes for tokens that have approval/transferFrom implementation\n\n if (transferFrom) {\n\n // Gets token from the user's wallet\n\n GemJoinLike(apt).gem().transferFrom(msg.sender, address(this), wad);\n\n // Approves adapter to take the token amount\n\n GemJoinLike(apt).gem().approve(apt, wad);\n\n }\n\n // Joins token collateral into the vat\n\n GemJoinLike(apt).join(urn, wad);\n\n }\n\n\n\n function hope(address obj, address usr) public {\n\n HopeLike(obj).hope(usr);\n\n }\n\n\n\n function nope(address obj, address usr) public {\n\n HopeLike(obj).nope(usr);\n\n }\n\n\n\n function open(address manager, bytes32 ilk, address usr) public returns (uint256 cdp) {\n\n cdp = ManagerLike(manager).open(ilk, usr);\n\n }\n\n\n\n function give(address manager, uint256 cdp, address usr) public {\n\n ManagerLike(manager).give(cdp, usr);\n\n }\n\n\n\n function move(address manager, uint256 cdp, address dst, uint256 rad) public {\n\n ManagerLike(manager).move(cdp, dst, rad);\n\n }\n\n\n\n function frob(address manager, uint256 cdp, int256 dink, int256 dart) public {\n\n ManagerLike(manager).frob(cdp, dink, dart);\n\n }\n\n\n\n function lockETH(address manager, address ethJoin, uint256 cdp) public payable {\n\n // Receives ETH amount, converts it to WETH and joins it into the vat\n\n ethJoin_join(ethJoin, address(this));\n\n // Locks WETH amount into the CDP\n\n VatLike(ManagerLike(manager).vat()).frob(\n\n ManagerLike(manager).ilks(cdp),\n\n ManagerLike(manager).urns(cdp),\n\n address(this),\n\n address(this),\n\n toInt(msg.value),\n\n 0\n\n );\n\n }\n\n\n\n function lockGem(address manager, address gemJoin, uint256 cdp, uint256 wad, bool transferFrom)\n\n public\n\n {\n\n // Takes token amount from user's wallet and joins into the vat\n\n gemJoin_join(gemJoin, address(this), wad, transferFrom);\n\n // Locks token amount into the CDP\n\n VatLike(ManagerLike(manager).vat()).frob(\n\n ManagerLike(manager).ilks(cdp),\n\n ManagerLike(manager).urns(cdp),\n\n address(this),\n\n address(this),\n\n toInt(convertTo18(gemJoin, wad)),\n\n 0\n\n );\n\n }\n\n\n\n function draw(address manager, address jug, address daiJoin, uint256 cdp, uint256 wad) public {\n\n address urn = ManagerLike(manager).urns(cdp);\n\n address vat = ManagerLike(manager).vat();\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n // Generates debt in the CDP\n\n frob(manager, cdp, 0, _getDrawDart(vat, jug, urn, ilk, wad));\n\n // Moves the DAI amount (balance in the vat in rad) to proxy's address\n\n move(manager, cdp, address(this), toRad(wad));\n\n // Allows adapter to access to proxy's DAI balance in the vat\n\n if (VatLike(vat).can(address(this), address(daiJoin)) == 0) {\n\n VatLike(vat).hope(daiJoin);\n\n }\n\n // Exits DAI to the user's wallet as a token\n\n DaiJoinLike(daiJoin).exit(msg.sender, wad);\n\n }\n\n\n\n function lockETHAndDraw(\n\n address manager,\n\n address jug,\n\n address ethJoin,\n\n address daiJoin,\n\n uint256 cdp,\n\n uint256 wadD\n\n ) public payable {\n\n address urn = ManagerLike(manager).urns(cdp);\n\n address vat = ManagerLike(manager).vat();\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n // Receives ETH amount, converts it to WETH and joins it into the vat\n\n ethJoin_join(ethJoin, urn);\n\n // Locks WETH amount into the CDP and generates debt\n\n frob(manager, cdp, toInt(msg.value), _getDrawDart(vat, jug, urn, ilk, wadD));\n\n // Moves the DAI amount (balance in the vat in rad) to proxy's address\n\n move(manager, cdp, address(this), toRad(wadD));\n\n // Allows adapter to access to proxy's DAI balance in the vat\n\n if (VatLike(vat).can(address(this), address(daiJoin)) == 0) {\n\n VatLike(vat).hope(daiJoin);\n\n }\n\n // Exits DAI to the user's wallet as a token\n\n DaiJoinLike(daiJoin).exit(msg.sender, wadD);\n\n }\n\n\n\n function openLockETHAndDraw(\n\n address manager,\n\n address jug,\n\n address ethJoin,\n\n address daiJoin,\n\n bytes32 ilk,\n\n uint256 wadD,\n\n address owner\n\n ) public payable returns (uint256 cdp) {\n\n cdp = open(manager, ilk, address(this));\n\n lockETHAndDraw(manager, jug, ethJoin, daiJoin, cdp, wadD);\n\n give(manager, cdp, owner);\n\n }\n\n\n\n function lockGemAndDraw(\n\n address manager,\n\n address jug,\n\n address gemJoin,\n\n address daiJoin,\n\n uint256 cdp,\n\n uint256 wadC,\n\n uint256 wadD,\n\n bool transferFrom\n\n ) public {\n\n address urn = ManagerLike(manager).urns(cdp);\n\n address vat = ManagerLike(manager).vat();\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n // Takes token amount from user's wallet and joins into the vat\n\n gemJoin_join(gemJoin, urn, wadC, transferFrom);\n\n // Locks token amount into the CDP and generates debt\n\n frob(\n\n manager,\n\n cdp,\n\n toInt(convertTo18(gemJoin, wadC)),\n\n _getDrawDart(vat, jug, urn, ilk, wadD)\n\n );\n\n // Moves the DAI amount (balance in the vat in rad) to proxy's address\n\n move(manager, cdp, address(this), toRad(wadD));\n\n // Allows adapter to access to proxy's DAI balance in the vat\n\n if (VatLike(vat).can(address(this), address(daiJoin)) == 0) {\n\n VatLike(vat).hope(daiJoin);\n\n }\n\n // Exits DAI to the user's wallet as a token\n\n DaiJoinLike(daiJoin).exit(msg.sender, wadD);\n\n }\n\n\n\n function openLockGemAndDraw(\n\n address manager,\n\n address jug,\n\n address gemJoin,\n\n address daiJoin,\n\n bytes32 ilk,\n\n uint256 wadC,\n\n uint256 wadD,\n\n bool transferFrom,\n\n address owner\n\n ) public returns (uint256 cdp) {\n\n cdp = open(manager, ilk, address(this));\n\n lockGemAndDraw(manager, jug, gemJoin, daiJoin, cdp, wadC, wadD, transferFrom);\n\n give(manager, cdp, owner);\n\n }\n\n}\n\ncontract MCDCreateTaker {\n\n\n\n address payable public constant MCD_CREATE_FLASH_LOAN = 0x71eC9a4fCE561c3936a511D9ebb05B60CF2bA519;\n\n\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n address public constant ETH_JOIN_ADDRESS = 0x2F0b23f53734252Bda2277357e97e1517d6B042A;\n\n\n\n ILendingPool public constant lendingPool = ILendingPool(0x398eC7346DcD622eDc5ae82352F02bE94C62d119);\n\n\n\n // solhint-disable-next-line const-name-snakecase\n\n Manager public constant manager = Manager(0x5ef30b9986345249bc32d8928B7ee64DE9435E39);\n\n\n\n // solhint-disable-next-line const-name-snakecase\n\n DefisaverLogger public constant logger = DefisaverLogger(0x5c55B921f590a89C1Ebe84dF170E655a82b62126);\n\n\n\n struct CreateData {\n\n uint collAmount;\n\n uint daiAmount;\n\n address joinAddr;\n\n }\n\n\n\n function openWithLoan(\n\n SaverExchangeCore.ExchangeData memory _exchangeData,\n\n CreateData memory _createData\n\n ) public payable {\n\n\n\n MCD_CREATE_FLASH_LOAN.transfer(msg.value); //0x fee\n\n\n\n\n\n if (_createData.joinAddr != ETH_JOIN_ADDRESS) {\n\n ERC20(getCollateralAddr(_createData.joinAddr)).transferFrom(msg.sender, address(this), _createData.collAmount);\n\n ERC20(getCollateralAddr(_createData.joinAddr)).transfer(MCD_CREATE_FLASH_LOAN, _createData.collAmount);\n\n }\n\n\n\n (uint[6] memory numData, address[5] memory addrData, bytes memory callData)\n\n = _packData(_createData, _exchangeData);\n\n bytes memory paramsData = abi.encode(numData, addrData, callData, address(this));\n\n\n\n lendingPool.flashLoan(MCD_CREATE_FLASH_LOAN, DAI_ADDRESS, _createData.daiAmount, paramsData);\n\n\n\n logger.Log(address(this), msg.sender, \"MCDCreate\", abi.encode(manager.last(address(this)), _createData.collAmount, _createData.daiAmount));\n\n }\n\n\n\n function getCollateralAddr(address _joinAddr) internal view returns (address) {\n\n return address(Join(_joinAddr).gem());\n\n }\n\n\n\n function _packData(\n\n CreateData memory _createData,\n\n SaverExchangeCore.ExchangeData memory exchangeData\n\n ) internal pure returns (uint[6] memory numData, address[5] memory addrData, bytes memory callData) {\n\n\n\n numData = [\n\n _createData.collAmount,\n\n _createData.daiAmount,\n\n exchangeData.srcAmount,\n\n exchangeData.destAmount,\n\n exchangeData.minPrice,\n\n exchangeData.price0x\n\n ];\n\n\n\n addrData = [\n\n exchangeData.srcAddr,\n\n exchangeData.destAddr,\n\n exchangeData.exchangeAddr,\n\n exchangeData.wrapper,\n\n _createData.joinAddr\n\n ];\n\n\n\n callData = exchangeData.callData;\n\n }\n\n}\n\nabstract contract GemLike {\n\n function approve(address, uint) virtual public;\n\n function transfer(address, uint) virtual public;\n\n function transferFrom(address, address, uint) virtual public;\n\n function deposit() virtual public payable;\n\n function withdraw(uint) virtual public;\n\n}\n\nabstract contract ManagerLike {\n\n function cdpCan(address, uint, address) virtual public view returns (uint);\n\n function ilks(uint) virtual public view returns (bytes32);\n\n function owns(uint) virtual public view returns (address);\n\n function urns(uint) virtual public view returns (address);\n\n function vat() virtual public view returns (address);\n\n function open(bytes32, address) virtual public returns (uint);\n\n function give(uint, address) virtual public;\n\n function cdpAllow(uint, address, uint) virtual public;\n\n function urnAllow(address, uint) virtual public;\n\n function frob(uint, int, int) virtual public;\n\n function flux(uint, address, uint) virtual public;\n\n function move(uint, address, uint) virtual public;\n\n function exit(address, uint, address, uint) virtual public;\n\n function quit(uint, address) virtual public;\n\n function enter(address, uint) virtual public;\n\n function shift(uint, uint) virtual public;\n\n}\n\nabstract contract VatLike {\n\n function can(address, address) virtual public view returns (uint);\n\n function ilks(bytes32) virtual public view returns (uint, uint, uint, uint, uint);\n\n function dai(address) virtual public view returns (uint);\n\n function urns(bytes32, address) virtual public view returns (uint, uint);\n\n function frob(bytes32, address, address, address, int, int) virtual public;\n\n function hope(address) virtual public;\n\n function move(address, address, uint) virtual public;\n\n}\n\nabstract contract GemJoinLike {\n\n function dec() virtual public returns (uint);\n\n function gem() virtual public returns (GemLike);\n\n function join(address, uint) virtual public payable;\n\n function exit(address, uint) virtual public;\n\n}\n\nabstract contract GNTJoinLike {\n\n function bags(address) virtual public view returns (address);\n\n function make(address) virtual public returns (address);\n\n}\n\nabstract contract DaiJoinLike {\n\n function vat() virtual public returns (VatLike);\n\n function dai() virtual public returns (GemLike);\n\n function join(address, uint) virtual public payable;\n\n function exit(address, uint) virtual public;\n\n}\n\nabstract contract HopeLike {\n\n function hope(address) virtual public;\n\n function nope(address) virtual public;\n\n}\n\nabstract contract ProxyRegistryInterface {\n\n function proxies(address _owner) virtual public view returns (address);\n\n function build(address) virtual public returns (address);\n\n}\n\nabstract contract EndLike {\n\n function fix(bytes32) virtual public view returns (uint);\n\n function cash(bytes32, uint) virtual public;\n\n function free(bytes32) virtual public;\n\n function pack(uint) virtual public;\n\n function skim(bytes32, address) virtual public;\n\n}\n\nabstract contract JugLike {\n\n function drip(bytes32) virtual public returns (uint);\n\n}\n\nabstract contract PotLike {\n\n function pie(address) virtual public view returns (uint);\n\n function drip() virtual public returns (uint);\n\n function join(uint) virtual public;\n\n function exit(uint) virtual public;\n\n}\n\nabstract contract ProxyRegistryLike {\n\n function proxies(address) virtual public view returns (address);\n\n function build(address) virtual public returns (address);\n\n}\n\nabstract contract ProxyLike {\n\n function owner() virtual public view returns (address);\n\n}\n\nabstract contract DSProxy {\n\n function execute(address _target, bytes memory _data) virtual public payable returns (bytes32);\n\n function setOwner(address owner_) virtual public;\n\n}\n\ncontract Common {\n\n uint256 constant RAY = 10 ** 27;\n\n\n\n // Internal functions\n\n\n\n function mul(uint x, uint y) internal pure returns (uint z) {\n\n require(y == 0 || (z = x * y) / y == x, \"mul-overflow\");\n\n }\n\n\n\n // Public functions\n\n\n\n function daiJoin_join(address apt, address urn, uint wad) public {\n\n // Gets DAI from the user's wallet\n\n DaiJoinLike(apt).dai().transferFrom(msg.sender, address(this), wad);\n\n // Approves adapter to take the DAI amount\n\n DaiJoinLike(apt).dai().approve(apt, wad);\n\n // Joins DAI into the vat\n\n DaiJoinLike(apt).join(urn, wad);\n\n }\n\n}\n\ncontract SaverProxyActions is Common {\n\n\n\n\n\n event CDPAction(string indexed, uint indexed, uint, uint);\n\n\n\n // Internal functions\n\n\n\n function sub(uint x, uint y) internal pure returns (uint z) {\n\n require((z = x - y) <= x, \"sub-overflow\");\n\n }\n\n\n\n function toInt(uint x) internal pure returns (int y) {\n\n y = int(x);\n\n require(y >= 0, \"int-overflow\");\n\n }\n\n\n\n function toRad(uint wad) internal pure returns (uint rad) {\n\n rad = mul(wad, 10 ** 27);\n\n }\n\n\n\n function convertTo18(address gemJoin, uint256 amt) internal returns (uint256 wad) {\n\n // For those collaterals that have less than 18 decimals precision we need to do the conversion before passing to frob function\n\n // Adapters will automatically handle the difference of precision\n\n wad = mul(\n\n amt,\n\n 10 ** (18 - GemJoinLike(gemJoin).dec())\n\n );\n\n }\n\n\n\n function _getDrawDart(\n\n address vat,\n\n address jug,\n\n address urn,\n\n bytes32 ilk,\n\n uint wad\n\n ) internal returns (int dart) {\n\n // Updates stability fee rate\n\n uint rate = JugLike(jug).drip(ilk);\n\n\n\n // Gets DAI balance of the urn in the vat\n\n uint dai = VatLike(vat).dai(urn);\n\n\n\n // If there was already enough DAI in the vat balance, just exits it without adding more debt\n\n if (dai < mul(wad, RAY)) {\n\n // Calculates the needed dart so together with the existing dai in the vat is enough to exit wad amount of DAI tokens\n\n dart = toInt(sub(mul(wad, RAY), dai) / rate);\n\n // This is neeeded due lack of precision. It might need to sum an extra dart wei (for the given DAI wad amount)\n\n dart = mul(uint(dart), rate) < mul(wad, RAY) ? dart + 1 : dart;\n\n }\n\n }\n\n\n\n function _getWipeDart(\n\n address vat,\n\n uint dai,\n\n address urn,\n\n bytes32 ilk\n\n ) internal view returns (int dart) {\n\n // Gets actual rate from the vat\n\n (, uint rate,,,) = VatLike(vat).ilks(ilk);\n\n // Gets actual art value of the urn\n\n (, uint art) = VatLike(vat).urns(ilk, urn);\n\n\n\n // Uses the whole dai balance in the vat to reduce the debt\n\n dart = toInt(dai / rate);\n\n // Checks the calculated dart is not higher than urn.art (total debt), otherwise uses its value\n\n dart = uint(dart) <= art ? - dart : - toInt(art);\n\n }\n\n\n\n function _getWipeAllWad(\n\n address vat,\n\n address usr,\n\n address urn,\n\n bytes32 ilk\n\n ) internal view returns (uint wad) {\n\n // Gets actual rate from the vat\n\n (, uint rate,,,) = VatLike(vat).ilks(ilk);\n\n // Gets actual art value of the urn\n\n (, uint art) = VatLike(vat).urns(ilk, urn);\n\n // Gets actual dai amount in the urn\n\n uint dai = VatLike(vat).dai(usr);\n\n\n\n uint rad = sub(mul(art, rate), dai);\n\n wad = rad / RAY;\n\n\n\n // If the rad precision has some dust, it will need to request for 1 extra wad wei\n\n wad = mul(wad, RAY) < rad ? wad + 1 : wad;\n\n }\n\n\n\n // Public functions\n\n\n\n function transfer(address gem, address dst, uint wad) public {\n\n GemLike(gem).transfer(dst, wad);\n\n }\n\n\n\n function ethJoin_join(address apt, address urn) public payable {\n\n // Wraps ETH in WETH\n\n GemJoinLike(apt).gem().deposit{value: msg.value}();\n\n // Approves adapter to take the WETH amount\n\n GemJoinLike(apt).gem().approve(address(apt), msg.value);\n\n // Joins WETH collateral into the vat\n\n GemJoinLike(apt).join(urn, msg.value);\n\n }\n\n\n\n function gemJoin_join(address apt, address urn, uint wad, bool transferFrom) public {\n\n // Only executes for tokens that have approval/transferFrom implementation\n\n if (transferFrom) {\n\n // Gets token from the user's wallet\n\n GemJoinLike(apt).gem().transferFrom(msg.sender, address(this), wad);\n\n // Approves adapter to take the token amount\n\n GemJoinLike(apt).gem().approve(apt, wad);\n\n }\n\n // Joins token collateral into the vat\n\n GemJoinLike(apt).join(urn, wad);\n\n }\n\n\n\n function hope(\n\n address obj,\n\n address usr\n\n ) public {\n\n HopeLike(obj).hope(usr);\n\n }\n\n\n\n function nope(\n\n address obj,\n\n address usr\n\n ) public {\n\n HopeLike(obj).nope(usr);\n\n }\n\n\n\n function open(\n\n address manager,\n\n bytes32 ilk,\n\n address usr\n\n ) public returns (uint cdp) {\n\n cdp = ManagerLike(manager).open(ilk, usr);\n\n }\n\n\n\n function give(\n\n address manager,\n\n uint cdp,\n\n address usr\n\n ) public {\n\n ManagerLike(manager).give(cdp, usr);\n\n\n\n emit CDPAction('give', cdp, 0, 0);\n\n }\n\n\n\n function giveToProxy(\n\n address proxyRegistry,\n\n address manager,\n\n uint cdp,\n\n address dst\n\n ) public {\n\n // Gets actual proxy address\n\n address proxy = ProxyRegistryLike(proxyRegistry).proxies(dst);\n\n // Checks if the proxy address already existed and dst address is still the owner\n\n if (proxy == address(0) || ProxyLike(proxy).owner() != dst) {\n\n uint csize;\n\n assembly {\n\n csize := extcodesize(dst)\n\n }\n\n // We want to avoid creating a proxy for a contract address that might not be able to handle proxies, then losing the CDP\n\n require(csize == 0, \"Dst-is-a-contract\");\n\n // Creates the proxy for the dst address\n\n proxy = ProxyRegistryLike(proxyRegistry).build(dst);\n\n }\n\n // Transfers CDP to the dst proxy\n\n give(manager, cdp, proxy);\n\n }\n\n\n\n function cdpAllow(\n\n address manager,\n\n uint cdp,\n\n address usr,\n\n uint ok\n\n ) public {\n\n ManagerLike(manager).cdpAllow(cdp, usr, ok);\n\n }\n\n\n\n function urnAllow(\n\n address manager,\n\n address usr,\n\n uint ok\n\n ) public {\n\n ManagerLike(manager).urnAllow(usr, ok);\n\n }\n\n\n\n function flux(\n\n address manager,\n\n uint cdp,\n\n address dst,\n\n uint wad\n\n ) public {\n\n ManagerLike(manager).flux(cdp, dst, wad);\n\n }\n\n\n\n function move(\n\n address manager,\n\n uint cdp,\n\n address dst,\n\n uint rad\n\n ) public {\n\n ManagerLike(manager).move(cdp, dst, rad);\n\n }\n\n\n\n function frob(\n\n address manager,\n\n uint cdp,\n\n int dink,\n\n int dart\n\n ) public {\n\n ManagerLike(manager).frob(cdp, dink, dart);\n\n }\n\n\n\n function quit(\n\n address manager,\n\n uint cdp,\n\n address dst\n\n ) public {\n\n ManagerLike(manager).quit(cdp, dst);\n\n }\n\n\n\n function enter(\n\n address manager,\n\n address src,\n\n uint cdp\n\n ) public {\n\n ManagerLike(manager).enter(src, cdp);\n\n }\n\n\n\n function shift(\n\n address manager,\n\n uint cdpSrc,\n\n uint cdpOrg\n\n ) public {\n\n ManagerLike(manager).shift(cdpSrc, cdpOrg);\n\n }\n\n\n\n function makeGemBag(\n\n address gemJoin\n\n ) public returns (address bag) {\n\n bag = GNTJoinLike(gemJoin).make(address(this));\n\n }\n\n\n\n function lockETH(\n\n address manager,\n\n address ethJoin,\n\n uint cdp\n\n ) public payable {\n\n // Receives ETH amount, converts it to WETH and joins it into the vat\n\n ethJoin_join(ethJoin, address(this));\n\n // Locks WETH amount into the CDP\n\n VatLike(ManagerLike(manager).vat()).frob(\n\n ManagerLike(manager).ilks(cdp),\n\n ManagerLike(manager).urns(cdp),\n\n address(this),\n\n address(this),\n\n toInt(msg.value),\n\n 0\n\n );\n\n\n\n emit CDPAction('lockETH', cdp, msg.value, 0);\n\n }\n\n\n\n function lockGem(\n\n address manager,\n\n address gemJoin,\n\n uint cdp,\n\n uint wad,\n\n bool transferFrom\n\n ) public {\n\n // Takes token amount from user's wallet and joins into the vat\n\n gemJoin_join(gemJoin, address(this), wad, transferFrom);\n\n // Locks token amount into the CDP\n\n VatLike(ManagerLike(manager).vat()).frob(\n\n ManagerLike(manager).ilks(cdp),\n\n ManagerLike(manager).urns(cdp),\n\n address(this),\n\n address(this),\n\n toInt(convertTo18(gemJoin, wad)),\n\n 0\n\n );\n\n\n\n emit CDPAction('lockGem', cdp, wad, 0);\n\n }\n\n\n\n function freeETH(\n\n address manager,\n\n address ethJoin,\n\n uint cdp,\n\n uint wad\n\n ) public {\n\n // Unlocks WETH amount from the CDP\n\n frob(manager, cdp, -toInt(wad), 0);\n\n // Moves the amount from the CDP urn to proxy's address\n\n flux(manager, cdp, address(this), wad);\n\n // Exits WETH amount to proxy address as a token\n\n GemJoinLike(ethJoin).exit(address(this), wad);\n\n // Converts WETH to ETH\n\n GemJoinLike(ethJoin).gem().withdraw(wad);\n\n // Sends ETH back to the user's wallet\n\n msg.sender.transfer(wad);\n\n\n\n emit CDPAction('freeETH', cdp, wad, 0);\n\n }\n\n\n\n function freeGem(\n\n address manager,\n\n address gemJoin,\n\n uint cdp,\n\n uint wad\n\n ) public {\n\n uint wad18 = convertTo18(gemJoin, wad);\n\n // Unlocks token amount from the CDP\n\n frob(manager, cdp, -toInt(wad18), 0);\n\n // Moves the amount from the CDP urn to proxy's address\n\n flux(manager, cdp, address(this), wad18);\n\n // Exits token amount to the user's wallet as a token\n\n GemJoinLike(gemJoin).exit(msg.sender, wad);\n\n\n\n emit CDPAction('freeGem', cdp, wad, 0);\n\n }\n\n\n\n function exitETH(\n\n address manager,\n\n address ethJoin,\n\n uint cdp,\n\n uint wad\n\n ) public {\n\n // Moves the amount from the CDP urn to proxy's address\n\n flux(manager, cdp, address(this), wad);\n\n\n\n // Exits WETH amount to proxy address as a token\n\n GemJoinLike(ethJoin).exit(address(this), wad);\n\n // Converts WETH to ETH\n\n GemJoinLike(ethJoin).gem().withdraw(wad);\n\n // Sends ETH back to the user's wallet\n\n msg.sender.transfer(wad);\n\n }\n\n\n\n function exitGem(\n\n address manager,\n\n address gemJoin,\n\n uint cdp,\n\n uint wad\n\n ) public {\n\n // Moves the amount from the CDP urn to proxy's address\n\n flux(manager, cdp, address(this), convertTo18(gemJoin, wad));\n\n\n\n // Exits token amount to the user's wallet as a token\n\n GemJoinLike(gemJoin).exit(msg.sender, wad);\n\n }\n\n\n\n function draw(\n\n address manager,\n\n address jug,\n\n address daiJoin,\n\n uint cdp,\n\n uint wad\n\n ) public {\n\n address urn = ManagerLike(manager).urns(cdp);\n\n address vat = ManagerLike(manager).vat();\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n // Generates debt in the CDP\n\n frob(manager, cdp, 0, _getDrawDart(vat, jug, urn, ilk, wad));\n\n // Moves the DAI amount (balance in the vat in rad) to proxy's address\n\n move(manager, cdp, address(this), toRad(wad));\n\n // Allows adapter to access to proxy's DAI balance in the vat\n\n if (VatLike(vat).can(address(this), address(daiJoin)) == 0) {\n\n VatLike(vat).hope(daiJoin);\n\n }\n\n // Exits DAI to the user's wallet as a token\n\n DaiJoinLike(daiJoin).exit(msg.sender, wad);\n\n\n\n emit CDPAction('draw', cdp, 0, wad);\n\n }\n\n\n\n function wipe(\n\n address manager,\n\n address daiJoin,\n\n uint cdp,\n\n uint wad\n\n ) public {\n\n address vat = ManagerLike(manager).vat();\n\n address urn = ManagerLike(manager).urns(cdp);\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n\n\n address own = ManagerLike(manager).owns(cdp);\n\n if (own == address(this) || ManagerLike(manager).cdpCan(own, cdp, address(this)) == 1) {\n\n // Joins DAI amount into the vat\n\n daiJoin_join(daiJoin, urn, wad);\n\n // Paybacks debt to the CDP\n\n frob(manager, cdp, 0, _getWipeDart(vat, VatLike(vat).dai(urn), urn, ilk));\n\n } else {\n\n // Joins DAI amount into the vat\n\n daiJoin_join(daiJoin, address(this), wad);\n\n // Paybacks debt to the CDP\n\n VatLike(vat).frob(\n\n ilk,\n\n urn,\n\n address(this),\n\n address(this),\n\n 0,\n\n _getWipeDart(vat, wad * RAY, urn, ilk)\n\n );\n\n }\n\n\n\n emit CDPAction('wipe', cdp, 0, wad);\n\n }\n\n\n\n function wipeAll(\n\n address manager,\n\n address daiJoin,\n\n uint cdp\n\n ) public {\n\n address vat = ManagerLike(manager).vat();\n\n address urn = ManagerLike(manager).urns(cdp);\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n (, uint art) = VatLike(vat).urns(ilk, urn);\n\n\n\n address own = ManagerLike(manager).owns(cdp);\n\n if (own == address(this) || ManagerLike(manager).cdpCan(own, cdp, address(this)) == 1) {\n\n // Joins DAI amount into the vat\n\n daiJoin_join(daiJoin, urn, _getWipeAllWad(vat, urn, urn, ilk));\n\n // Paybacks debt to the CDP\n\n frob(manager, cdp, 0, -int(art));\n\n } else {\n\n // Joins DAI amount into the vat\n\n daiJoin_join(daiJoin, address(this), _getWipeAllWad(vat, address(this), urn, ilk));\n\n // Paybacks debt to the CDP\n\n VatLike(vat).frob(\n\n ilk,\n\n urn,\n\n address(this),\n\n address(this),\n\n 0,\n\n -int(art)\n\n );\n\n }\n\n\n\n emit CDPAction('wipeAll', cdp, 0, art);\n\n }\n\n\n\n function lockETHAndDraw(\n\n address manager,\n\n address jug,\n\n address ethJoin,\n\n address daiJoin,\n\n uint cdp,\n\n uint wadD\n\n ) public payable {\n\n address urn = ManagerLike(manager).urns(cdp);\n\n address vat = ManagerLike(manager).vat();\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n // Receives ETH amount, converts it to WETH and joins it into the vat\n\n ethJoin_join(ethJoin, urn);\n\n // Locks WETH amount into the CDP and generates debt\n\n frob(manager, cdp, toInt(msg.value), _getDrawDart(vat, jug, urn, ilk, wadD));\n\n // Moves the DAI amount (balance in the vat in rad) to proxy's address\n\n move(manager, cdp, address(this), toRad(wadD));\n\n // Allows adapter to access to proxy's DAI balance in the vat\n\n if (VatLike(vat).can(address(this), address(daiJoin)) == 0) {\n\n VatLike(vat).hope(daiJoin);\n\n }\n\n // Exits DAI to the user's wallet as a token\n\n DaiJoinLike(daiJoin).exit(msg.sender, wadD);\n\n }\n\n\n\n function openLockETHAndDraw(\n\n address manager,\n\n address jug,\n\n address ethJoin,\n\n address daiJoin,\n\n bytes32 ilk,\n\n uint wadD\n\n ) public payable returns (uint cdp) {\n\n cdp = open(manager, ilk, address(this));\n\n lockETHAndDraw(manager, jug, ethJoin, daiJoin, cdp, wadD);\n\n\n\n emit CDPAction('openLockETHAndDraw', cdp, msg.value, wadD);\n\n }\n\n\n\n function lockGemAndDraw(\n\n address manager,\n\n address jug,\n\n address gemJoin,\n\n address daiJoin,\n\n uint cdp,\n\n uint wadC,\n\n uint wadD,\n\n bool transferFrom\n\n ) public {\n\n address urn = ManagerLike(manager).urns(cdp);\n\n address vat = ManagerLike(manager).vat();\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n // Takes token amount from user's wallet and joins into the vat\n\n gemJoin_join(gemJoin, urn, wadC, transferFrom);\n\n // Locks token amount into the CDP and generates debt\n\n frob(manager, cdp, toInt(convertTo18(gemJoin, wadC)), _getDrawDart(vat, jug, urn, ilk, wadD));\n\n // Moves the DAI amount (balance in the vat in rad) to proxy's address\n\n move(manager, cdp, address(this), toRad(wadD));\n\n // Allows adapter to access to proxy's DAI balance in the vat\n\n if (VatLike(vat).can(address(this), address(daiJoin)) == 0) {\n\n VatLike(vat).hope(daiJoin);\n\n }\n\n // Exits DAI to the user's wallet as a token\n\n DaiJoinLike(daiJoin).exit(msg.sender, wadD);\n\n\n\n }\n\n\n\n function openLockGemAndDraw(\n\n address manager,\n\n address jug,\n\n address gemJoin,\n\n address daiJoin,\n\n bytes32 ilk,\n\n uint wadC,\n\n uint wadD,\n\n bool transferFrom\n\n ) public returns (uint cdp) {\n\n cdp = open(manager, ilk, address(this));\n\n lockGemAndDraw(manager, jug, gemJoin, daiJoin, cdp, wadC, wadD, transferFrom);\n\n\n\n emit CDPAction('openLockGemAndDraw', cdp, wadC, wadD);\n\n\n\n }\n\n\n\n function wipeAllAndFreeETH(\n\n address manager,\n\n address ethJoin,\n\n address daiJoin,\n\n uint cdp,\n\n uint wadC\n\n ) public {\n\n address vat = ManagerLike(manager).vat();\n\n address urn = ManagerLike(manager).urns(cdp);\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n (, uint art) = VatLike(vat).urns(ilk, urn);\n\n\n\n // Joins DAI amount into the vat\n\n daiJoin_join(daiJoin, urn, _getWipeAllWad(vat, urn, urn, ilk));\n\n // Paybacks debt to the CDP and unlocks WETH amount from it\n\n frob(\n\n manager,\n\n cdp,\n\n -toInt(wadC),\n\n -int(art)\n\n );\n\n // Moves the amount from the CDP urn to proxy's address\n\n flux(manager, cdp, address(this), wadC);\n\n // Exits WETH amount to proxy address as a token\n\n GemJoinLike(ethJoin).exit(address(this), wadC);\n\n // Converts WETH to ETH\n\n GemJoinLike(ethJoin).gem().withdraw(wadC);\n\n // Sends ETH back to the user's wallet\n\n msg.sender.transfer(wadC);\n\n\n\n emit CDPAction('wipeAllAndFreeETH', cdp, wadC, art);\n\n }\n\n\n\n function wipeAndFreeGem(\n\n address manager,\n\n address gemJoin,\n\n address daiJoin,\n\n uint cdp,\n\n uint wadC,\n\n uint wadD\n\n ) public {\n\n address urn = ManagerLike(manager).urns(cdp);\n\n // Joins DAI amount into the vat\n\n daiJoin_join(daiJoin, urn, wadD);\n\n uint wad18 = convertTo18(gemJoin, wadC);\n\n // Paybacks debt to the CDP and unlocks token amount from it\n\n frob(\n\n manager,\n\n cdp,\n\n -toInt(wad18),\n\n _getWipeDart(ManagerLike(manager).vat(), VatLike(ManagerLike(manager).vat()).dai(urn), urn, ManagerLike(manager).ilks(cdp))\n\n );\n\n // Moves the amount from the CDP urn to proxy's address\n\n flux(manager, cdp, address(this), wad18);\n\n // Exits token amount to the user's wallet as a token\n\n GemJoinLike(gemJoin).exit(msg.sender, wadC);\n\n }\n\n\n\n function wipeAllAndFreeGem(\n\n address manager,\n\n address gemJoin,\n\n address daiJoin,\n\n uint cdp,\n\n uint wadC\n\n ) public {\n\n address vat = ManagerLike(manager).vat();\n\n address urn = ManagerLike(manager).urns(cdp);\n\n bytes32 ilk = ManagerLike(manager).ilks(cdp);\n\n (, uint art) = VatLike(vat).urns(ilk, urn);\n\n\n\n // Joins DAI amount into the vat\n\n daiJoin_join(daiJoin, urn, _getWipeAllWad(vat, urn, urn, ilk));\n\n uint wad18 = convertTo18(gemJoin, wadC);\n\n // Paybacks debt to the CDP and unlocks token amount from it\n\n frob(\n\n manager,\n\n cdp,\n\n -toInt(wad18),\n\n -int(art)\n\n );\n\n // Moves the amount from the CDP urn to proxy's address\n\n flux(manager, cdp, address(this), wad18);\n\n // Exits token amount to the user's wallet as a token\n\n GemJoinLike(gemJoin).exit(msg.sender, wadC);\n\n\n\n emit CDPAction('wipeAllAndFreeGem', cdp, wadC, art);\n\n }\n\n\n\n function createProxyAndCDP(\n\n address manager,\n\n address jug,\n\n address ethJoin,\n\n address daiJoin,\n\n bytes32 ilk,\n\n uint wadD,\n\n address registry\n\n ) public payable returns(uint) {\n\n\n\n address proxy = ProxyRegistryInterface(registry).build(msg.sender);\n\n\n\n uint cdp = openLockETHAndDraw(manager,\n\n jug,\n\n ethJoin,\n\n daiJoin,\n\n ilk,\n\n wadD\n\n );\n\n\n\n give(manager, cdp, address(proxy));\n\n\n\n return cdp;\n\n\n\n }\n\n\n\n function createProxyAndGemCDP(\n\n address manager,\n\n address jug,\n\n address gemJoin,\n\n address daiJoin,\n\n bytes32 ilk,\n\n uint wadC,\n\n uint wadD,\n\n bool transferFrom,\n\n address registry\n\n ) public returns(uint) {\n\n\n\n\n\n address proxy = ProxyRegistryInterface(registry).build(msg.sender);\n\n\n\n uint cdp = openLockGemAndDraw(manager,\n\n jug,\n\n gemJoin,\n\n daiJoin,\n\n ilk,\n\n wadC,\n\n wadD,\n\n transferFrom);\n\n\n\n give(manager, cdp, address(proxy));\n\n\n\n return cdp;\n\n }\n\n}\n\ncontract MCDSaverProxyHelper is DSMath {\n\n\n\n /// @notice Returns a normalized debt _amount based on the current rate\n\n /// @param _amount Amount of dai to be normalized\n\n /// @param _rate Current rate of the stability fee\n\n /// @param _daiVatBalance Balance od Dai in the Vat for that CDP\n\n function normalizeDrawAmount(uint _amount, uint _rate, uint _daiVatBalance) internal pure returns (int dart) {\n\n if (_daiVatBalance < mul(_amount, RAY)) {\n\n dart = toPositiveInt(sub(mul(_amount, RAY), _daiVatBalance) / _rate);\n\n dart = mul(uint(dart), _rate) < mul(_amount, RAY) ? dart + 1 : dart;\n\n }\n\n }\n\n\n\n /// @notice Converts a number to Rad percision\n\n /// @param _wad The input number in wad percision\n\n function toRad(uint _wad) internal pure returns (uint) {\n\n return mul(_wad, 10 ** 27);\n\n }\n\n\n\n /// @notice Converts a number to 18 decimal percision\n\n /// @param _joinAddr Join address of the collateral\n\n /// @param _amount Number to be converted\n\n function convertTo18(address _joinAddr, uint256 _amount) internal view returns (uint256) {\n\n return mul(_amount, 10 ** (18 - Join(_joinAddr).dec()));\n\n }\n\n\n\n /// @notice Converts a uint to int and checks if positive\n\n /// @param _x Number to be converted\n\n function toPositiveInt(uint _x) internal pure returns (int y) {\n\n y = int(_x);\n\n require(y >= 0, \"int-overflow\");\n\n }\n\n\n\n /// @notice Gets Dai amount in Vat which can be added to Cdp\n\n /// @param _vat Address of Vat contract\n\n /// @param _urn Urn of the Cdp\n\n /// @param _ilk Ilk of the Cdp\n\n function normalizePaybackAmount(address _vat, address _urn, bytes32 _ilk) internal view returns (int amount) {\n\n uint dai = Vat(_vat).dai(_urn);\n\n\n\n (, uint rate,,,) = Vat(_vat).ilks(_ilk);\n\n (, uint art) = Vat(_vat).urns(_ilk, _urn);\n\n\n\n amount = toPositiveInt(dai / rate);\n\n amount = uint(amount) <= art ? - amount : - toPositiveInt(art);\n\n }\n\n\n\n /// @notice Gets the whole debt of the CDP\n\n /// @param _vat Address of Vat contract\n\n /// @param _usr Address of the Dai holder\n\n /// @param _urn Urn of the Cdp\n\n /// @param _ilk Ilk of the Cdp\n\n function getAllDebt(address _vat, address _usr, address _urn, bytes32 _ilk) internal view returns (uint daiAmount) {\n\n (, uint rate,,,) = Vat(_vat).ilks(_ilk);\n\n (, uint art) = Vat(_vat).urns(_ilk, _urn);\n\n uint dai = Vat(_vat).dai(_usr);\n\n\n\n uint rad = sub(mul(art, rate), dai);\n\n daiAmount = rad / RAY;\n\n\n\n daiAmount = mul(daiAmount, RAY) < rad ? daiAmount + 1 : daiAmount;\n\n }\n\n\n\n /// @notice Gets the token address from the Join contract\n\n /// @param _joinAddr Address of the Join contract\n\n function getCollateralAddr(address _joinAddr) internal view returns (address) {\n\n return address(Join(_joinAddr).gem());\n\n }\n\n\n\n /// @notice Gets CDP info (collateral, debt)\n\n /// @param _manager Manager contract\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n function getCdpInfo(Manager _manager, uint _cdpId, bytes32 _ilk) public view returns (uint, uint) {\n\n address vat = _manager.vat();\n\n address urn = _manager.urns(_cdpId);\n\n\n\n (uint collateral, uint debt) = Vat(vat).urns(_ilk, urn);\n\n (,uint rate,,,) = Vat(vat).ilks(_ilk);\n\n\n\n return (collateral, rmul(debt, rate));\n\n }\n\n\n\n /// @notice Address that owns the DSProxy that owns the CDP\n\n /// @param _manager Manager contract\n\n /// @param _cdpId Id of the CDP\n\n function getOwner(Manager _manager, uint _cdpId) public view returns (address) {\n\n DSProxy proxy = DSProxy(uint160(_manager.owns(_cdpId)));\n\n\n\n return proxy.owner();\n\n }\n\n}\n\nabstract contract ILendingPool {\n\n function flashLoan( address payable _receiver, address _reserve, uint _amount, bytes calldata _params) external virtual;\n\n}\n\nabstract contract ProtocolInterface {\n\n function deposit(address _user, uint256 _amount) public virtual;\n\n\n\n function withdraw(address _user, uint256 _amount) public virtual;\n\n}\n\ncontract SavingsLogger {\n\n event Deposit(address indexed sender, uint8 protocol, uint256 amount);\n\n event Withdraw(address indexed sender, uint8 protocol, uint256 amount);\n\n event Swap(address indexed sender, uint8 fromProtocol, uint8 toProtocol, uint256 amount);\n\n\n\n function logDeposit(address _sender, uint8 _protocol, uint256 _amount) external {\n\n emit Deposit(_sender, _protocol, _amount);\n\n }\n\n\n\n function logWithdraw(address _sender, uint8 _protocol, uint256 _amount) external {\n\n emit Withdraw(_sender, _protocol, _amount);\n\n }\n\n\n\n function logSwap(address _sender, uint8 _protocolFrom, uint8 _protocolTo, uint256 _amount)\n\n external\n\n {\n\n emit Swap(_sender, _protocolFrom, _protocolTo, _amount);\n\n }\n\n}\n\ncontract AaveSavingsProtocol is ProtocolInterface, DSAuth {\n\n\n\n address public constant ADAI_ADDRESS = 0xfC1E690f61EFd961294b3e1Ce3313fBD8aa4f85d;\n\n address public constant AAVE_LENDING_POOL = 0x398eC7346DcD622eDc5ae82352F02bE94C62d119;\n\n address public constant AAVE_LENDING_POOL_CORE = 0x3dfd23A6c5E8BbcFc9581d2E864a68feb6a076d3;\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n\n\n function deposit(address _user, uint _amount) public override {\n\n require(msg.sender == _user);\n\n // get dai from user\n\n require(ERC20(DAI_ADDRESS).transferFrom(_user, address(this), _amount));\n\n\n\n ERC20(DAI_ADDRESS).approve(AAVE_LENDING_POOL_CORE, uint(-1));\n\n ILendingPool(AAVE_LENDING_POOL).deposit(DAI_ADDRESS, _amount, 0);\n\n\n\n ERC20(ADAI_ADDRESS).transfer(_user, ERC20(ADAI_ADDRESS).balanceOf(address(this)));\n\n }\n\n\n\n function withdraw(address _user, uint _amount) public override {\n\n require(msg.sender == _user);\n\n require(ERC20(ADAI_ADDRESS).transferFrom(_user, address(this), _amount));\n\n\n\n IAToken(ADAI_ADDRESS).redeem(_amount);\n\n\n\n // return dai we have to user\n\n ERC20(DAI_ADDRESS).transfer(_user, _amount);\n\n }\n\n}\n\ncontract CompoundSavingsProtocol {\n\n\n\n address public constant NEW_CDAI_ADDRESS = 0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643;\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n\n\n CTokenInterface public constant cDaiContract = CTokenInterface(NEW_CDAI_ADDRESS);\n\n\n\n function compDeposit(address _user, uint _amount) internal {\n\n // get dai from user\n\n require(ERC20(DAI_ADDRESS).transferFrom(_user, address(this), _amount));\n\n\n\n // mainnet only\n\n ERC20(DAI_ADDRESS).approve(NEW_CDAI_ADDRESS, uint(-1));\n\n\n\n // mint cDai\n\n require(cDaiContract.mint(_amount) == 0, \"Failed Mint\");\n\n }\n\n\n\n function compWithdraw(address _user, uint _amount) internal {\n\n // transfer all users balance to this contract\n\n require(cDaiContract.transferFrom(_user, address(this), ERC20(NEW_CDAI_ADDRESS).balanceOf(_user)));\n\n\n\n // approve cDai to compound contract\n\n cDaiContract.approve(NEW_CDAI_ADDRESS, uint(-1));\n\n // get dai from cDai contract\n\n require(cDaiContract.redeemUnderlying(_amount) == 0, \"Reedem Failed\");\n\n\n\n // return to user balance we didn't spend\n\n uint cDaiBalance = cDaiContract.balanceOf(address(this));\n\n if (cDaiBalance > 0) {\n\n cDaiContract.transfer(_user, cDaiBalance);\n\n }\n\n // return dai we have to user\n\n ERC20(DAI_ADDRESS).transfer(_user, _amount);\n\n }\n\n}\n\nabstract contract VatLike {\n\n function can(address, address) virtual public view returns (uint);\n\n function ilks(bytes32) virtual public view returns (uint, uint, uint, uint, uint);\n\n function dai(address) virtual public view returns (uint);\n\n function urns(bytes32, address) virtual public view returns (uint, uint);\n\n function frob(bytes32, address, address, address, int, int) virtual public;\n\n function hope(address) virtual public;\n\n function move(address, address, uint) virtual public;\n\n}\n\nabstract contract PotLike {\n\n function pie(address) virtual public view returns (uint);\n\n function drip() virtual public returns (uint);\n\n function join(uint) virtual public;\n\n function exit(uint) virtual public;\n\n}\n\nabstract contract GemLike {\n\n function approve(address, uint) virtual public;\n\n function transfer(address, uint) virtual public;\n\n function transferFrom(address, address, uint) virtual public;\n\n function deposit() virtual public payable;\n\n function withdraw(uint) virtual public;\n\n}\n\nabstract contract DaiJoinLike {\n\n function vat() virtual public returns (VatLike);\n\n function dai() virtual public returns (GemLike);\n\n function join(address, uint) virtual public payable;\n\n function exit(address, uint) virtual public;\n\n}\n\ncontract DSRSavingsProtocol is DSMath {\n\n\n\n // Mainnet\n\n address public constant POT_ADDRESS = 0x197E90f9FAD81970bA7976f33CbD77088E5D7cf7;\n\n address public constant DAI_JOIN_ADDRESS = 0x9759A6Ac90977b93B58547b4A71c78317f391A28;\n\n\n\n function dsrDeposit(uint _amount, bool _fromUser) internal {\n\n VatLike vat = DaiJoinLike(DAI_JOIN_ADDRESS).vat();\n\n\n\n uint chi = PotLike(POT_ADDRESS).drip();\n\n\n\n daiJoin_join(DAI_JOIN_ADDRESS, address(this), _amount, _fromUser);\n\n\n\n if (vat.can(address(this), address(POT_ADDRESS)) == 0) {\n\n vat.hope(POT_ADDRESS);\n\n }\n\n\n\n PotLike(POT_ADDRESS).join(mul(_amount, RAY) / chi);\n\n }\n\n\n\n function dsrWithdraw(uint _amount, bool _toUser) internal {\n\n VatLike vat = DaiJoinLike(DAI_JOIN_ADDRESS).vat();\n\n\n\n uint chi = PotLike(POT_ADDRESS).drip();\n\n uint pie = mul(_amount, RAY) / chi;\n\n\n\n PotLike(POT_ADDRESS).exit(pie);\n\n uint balance = DaiJoinLike(DAI_JOIN_ADDRESS).vat().dai(address(this));\n\n\n\n if (vat.can(address(this), address(DAI_JOIN_ADDRESS)) == 0) {\n\n vat.hope(DAI_JOIN_ADDRESS);\n\n }\n\n\n\n address to;\n\n if (_toUser) {\n\n to = msg.sender;\n\n } else {\n\n to = address(this);\n\n }\n\n\n\n if (_amount == uint(-1)) {\n\n DaiJoinLike(DAI_JOIN_ADDRESS).exit(to, mul(chi, pie) / RAY);\n\n } else {\n\n DaiJoinLike(DAI_JOIN_ADDRESS).exit(\n\n to,\n\n balance >= mul(_amount, RAY) ? _amount : balance / RAY\n\n );\n\n }\n\n }\n\n\n\n function daiJoin_join(address apt, address urn, uint wad, bool _fromUser) internal {\n\n if (_fromUser) {\n\n DaiJoinLike(apt).dai().transferFrom(msg.sender, address(this), wad);\n\n }\n\n\n\n DaiJoinLike(apt).dai().approve(apt, wad);\n\n\n\n DaiJoinLike(apt).join(urn, wad);\n\n }\n\n}\n\ncontract DydxSavingsProtocol is ProtocolInterface, DSAuth {\n\n address public constant SOLO_MARGIN_ADDRESS = 0x1E0447b19BB6EcFdAe1e4AE1694b0C3659614e4e;\n\n\n\n ISoloMargin public soloMargin;\n\n address public savingsProxy;\n\n\n\n uint daiMarketId = 3;\n\n\n\n constructor() public {\n\n soloMargin = ISoloMargin(SOLO_MARGIN_ADDRESS);\n\n }\n\n\n\n function addSavingsProxy(address _savingsProxy) public auth {\n\n savingsProxy = _savingsProxy;\n\n }\n\n\n\n function deposit(address _user, uint _amount) public override {\n\n require(msg.sender == _user);\n\n\n\n Account.Info[] memory accounts = new Account.Info[](1);\n\n accounts[0] = getAccount(_user, 0);\n\n\n\n Actions.ActionArgs[] memory actions = new Actions.ActionArgs[](1);\n\n Types.AssetAmount memory amount = Types.AssetAmount({\n\n sign: true,\n\n denomination: Types.AssetDenomination.Wei,\n\n ref: Types.AssetReference.Delta,\n\n value: _amount\n\n });\n\n\n\n actions[0] = Actions.ActionArgs({\n\n actionType: Actions.ActionType.Deposit,\n\n accountId: 0,\n\n amount: amount,\n\n primaryMarketId: daiMarketId,\n\n otherAddress: _user,\n\n secondaryMarketId: 0, //not used\n\n otherAccountId: 0, //not used\n\n data: \"\" //not used\n\n });\n\n\n\n soloMargin.operate(accounts, actions);\n\n }\n\n\n\n function withdraw(address _user, uint _amount) public override {\n\n require(msg.sender == _user);\n\n\n\n Account.Info[] memory accounts = new Account.Info[](1);\n\n accounts[0] = getAccount(_user, 0);\n\n\n\n Actions.ActionArgs[] memory actions = new Actions.ActionArgs[](1);\n\n Types.AssetAmount memory amount = Types.AssetAmount({\n\n sign: false,\n\n denomination: Types.AssetDenomination.Wei,\n\n ref: Types.AssetReference.Delta,\n\n value: _amount\n\n });\n\n\n\n actions[0] = Actions.ActionArgs({\n\n actionType: Actions.ActionType.Withdraw,\n\n accountId: 0,\n\n amount: amount,\n\n primaryMarketId: daiMarketId,\n\n otherAddress: _user,\n\n secondaryMarketId: 0, //not used\n\n otherAccountId: 0, //not used\n\n data: \"\" //not used\n\n });\n\n\n\n soloMargin.operate(accounts, actions);\n\n }\n\n\n\n function getWeiBalance(address _user, uint _index) public view returns(Types.Wei memory) {\n\n\n\n Types.Wei[] memory weiBalances;\n\n (,,weiBalances) = soloMargin.getAccountBalances(getAccount(_user, _index));\n\n\n\n return weiBalances[daiMarketId];\n\n }\n\n\n\n function getParBalance(address _user, uint _index) public view returns(Types.Par memory) {\n\n Types.Par[] memory parBalances;\n\n (,parBalances,) = soloMargin.getAccountBalances(getAccount(_user, _index));\n\n\n\n return parBalances[daiMarketId];\n\n }\n\n\n\n function getAccount(address _user, uint _index) public pure returns(Account.Info memory) {\n\n Account.Info memory account = Account.Info({\n\n owner: _user,\n\n number: _index\n\n });\n\n\n\n return account;\n\n }\n\n}\n\nabstract contract ISoloMargin {\n\n struct OperatorArg {\n\n address operator;\n\n bool trusted;\n\n }\n\n\n\n function operate(\n\n Account.Info[] memory accounts,\n\n Actions.ActionArgs[] memory actions\n\n ) public virtual;\n\n\n\n function getAccountBalances(\n\n Account.Info memory account\n\n ) public view virtual returns (\n\n address[] memory,\n\n Types.Par[] memory,\n\n Types.Wei[] memory\n\n );\n\n\n\n function setOperators(\n\n OperatorArg[] memory args\n\n ) public virtual;\n\n\n\n\n\n function getNumMarkets() public view virtual returns (uint256);\n\n\n\n function getMarketTokenAddress(uint256 marketId)\n\n public\n\n view\n\n virtual\n\n returns (address);\n\n}\n\nlibrary Account {\n\n // ============ Enums ============\n\n\n\n /*\n\n * Most-recently-cached account status.\n\n *\n\n * Normal: Can only be liquidated if the account values are violating the global margin-ratio.\n\n * Liquid: Can be liquidated no matter the account values.\n\n * Can be vaporized if there are no more positive account values.\n\n * Vapor: Has only negative (or zeroed) account values. Can be vaporized.\n\n *\n\n */\n\n enum Status {\n\n Normal,\n\n Liquid,\n\n Vapor\n\n }\n\n\n\n // ============ Structs ============\n\n\n\n // Represents the unique key that specifies an account\n\n struct Info {\n\n address owner; // The address that owns the account\n\n uint256 number; // A nonce that allows a single address to control many accounts\n\n }\n\n\n\n // The complete storage for any account\n\n struct Storage {\n\n mapping (uint256 => Types.Par) balances; // Mapping from marketId to principal\n\n Status status;\n\n }\n\n\n\n // ============ Library Functions ============\n\n\n\n function equals(\n\n Info memory a,\n\n Info memory b\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n return a.owner == b.owner && a.number == b.number;\n\n }\n\n}\n\nlibrary Actions {\n\n\n\n // ============ Constants ============\n\n\n\n bytes32 constant FILE = \"Actions\";\n\n\n\n // ============ Enums ============\n\n\n\n enum ActionType {\n\n Deposit, // supply tokens\n\n Withdraw, // borrow tokens\n\n Transfer, // transfer balance between accounts\n\n Buy, // buy an amount of some token (externally)\n\n Sell, // sell an amount of some token (externally)\n\n Trade, // trade tokens against another account\n\n Liquidate, // liquidate an undercollateralized or expiring account\n\n Vaporize, // use excess tokens to zero-out a completely negative account\n\n Call // send arbitrary data to an address\n\n }\n\n\n\n enum AccountLayout {\n\n OnePrimary,\n\n TwoPrimary,\n\n PrimaryAndSecondary\n\n }\n\n\n\n enum MarketLayout {\n\n ZeroMarkets,\n\n OneMarket,\n\n TwoMarkets\n\n }\n\n\n\n // ============ Structs ============\n\n\n\n /*\n\n * Arguments that are passed to Solo in an ordered list as part of a single operation.\n\n * Each ActionArgs has an actionType which specifies which action struct that this data will be\n\n * parsed into before being processed.\n\n */\n\n struct ActionArgs {\n\n ActionType actionType;\n\n uint256 accountId;\n\n Types.AssetAmount amount;\n\n uint256 primaryMarketId;\n\n uint256 secondaryMarketId;\n\n address otherAddress;\n\n uint256 otherAccountId;\n\n bytes data;\n\n }\n\n\n\n // ============ Action Types ============\n\n\n\n /*\n\n * Moves tokens from an address to Solo. Can either repay a borrow or provide additional supply.\n\n */\n\n struct DepositArgs {\n\n Types.AssetAmount amount;\n\n Account.Info account;\n\n uint256 market;\n\n address from;\n\n }\n\n\n\n /*\n\n * Moves tokens from Solo to another address. Can either borrow tokens or reduce the amount\n\n * previously supplied.\n\n */\n\n struct WithdrawArgs {\n\n Types.AssetAmount amount;\n\n Account.Info account;\n\n uint256 market;\n\n address to;\n\n }\n\n\n\n /*\n\n * Transfers balance between two accounts. The msg.sender must be an operator for both accounts.\n\n * The amount field applies to accountOne.\n\n * This action does not require any token movement since the trade is done internally to Solo.\n\n */\n\n struct TransferArgs {\n\n Types.AssetAmount amount;\n\n Account.Info accountOne;\n\n Account.Info accountTwo;\n\n uint256 market;\n\n }\n\n\n\n /*\n\n * Acquires a certain amount of tokens by spending other tokens. Sends takerMarket tokens to the\n\n * specified exchangeWrapper contract and expects makerMarket tokens in return. The amount field\n\n * applies to the makerMarket.\n\n */\n\n struct BuyArgs {\n\n Types.AssetAmount amount;\n\n Account.Info account;\n\n uint256 makerMarket;\n\n uint256 takerMarket;\n\n address exchangeWrapper;\n\n bytes orderData;\n\n }\n\n\n\n /*\n\n * Spends a certain amount of tokens to acquire other tokens. Sends takerMarket tokens to the\n\n * specified exchangeWrapper and expects makerMarket tokens in return. The amount field applies\n\n * to the takerMarket.\n\n */\n\n struct SellArgs {\n\n Types.AssetAmount amount;\n\n Account.Info account;\n\n uint256 takerMarket;\n\n uint256 makerMarket;\n\n address exchangeWrapper;\n\n bytes orderData;\n\n }\n\n\n\n /*\n\n * Trades balances between two accounts using any external contract that implements the\n\n * AutoTrader interface. The AutoTrader contract must be an operator for the makerAccount (for\n\n * which it is trading on-behalf-of). The amount field applies to the makerAccount and the\n\n * inputMarket. This proposed change to the makerAccount is passed to the AutoTrader which will\n\n * quote a change for the makerAccount in the outputMarket (or will disallow the trade).\n\n * This action does not require any token movement since the trade is done internally to Solo.\n\n */\n\n struct TradeArgs {\n\n Types.AssetAmount amount;\n\n Account.Info takerAccount;\n\n Account.Info makerAccount;\n\n uint256 inputMarket;\n\n uint256 outputMarket;\n\n address autoTrader;\n\n bytes tradeData;\n\n }\n\n\n\n /*\n\n * Each account must maintain a certain margin-ratio (specified globally). If the account falls\n\n * below this margin-ratio, it can be liquidated by any other account. This allows anyone else\n\n * (arbitrageurs) to repay any borrowed asset (owedMarket) of the liquidating account in\n\n * exchange for any collateral asset (heldMarket) of the liquidAccount. The ratio is determined\n\n * by the price ratio (given by the oracles) plus a spread (specified globally). Liquidating an\n\n * account also sets a flag on the account that the account is being liquidated. This allows\n\n * anyone to continue liquidating the account until there are no more borrows being taken by the\n\n * liquidating account. Liquidators do not have to liquidate the entire account all at once but\n\n * can liquidate as much as they choose. The liquidating flag allows liquidators to continue\n\n * liquidating the account even if it becomes collateralized through partial liquidation or\n\n * price movement.\n\n */\n\n struct LiquidateArgs {\n\n Types.AssetAmount amount;\n\n Account.Info solidAccount;\n\n Account.Info liquidAccount;\n\n uint256 owedMarket;\n\n uint256 heldMarket;\n\n }\n\n\n\n /*\n\n * Similar to liquidate, but vaporAccounts are accounts that have only negative balances\n\n * remaining. The arbitrageur pays back the negative asset (owedMarket) of the vaporAccount in\n\n * exchange for a collateral asset (heldMarket) at a favorable spread. However, since the\n\n * liquidAccount has no collateral assets, the collateral must come from Solo's excess tokens.\n\n */\n\n struct VaporizeArgs {\n\n Types.AssetAmount amount;\n\n Account.Info solidAccount;\n\n Account.Info vaporAccount;\n\n uint256 owedMarket;\n\n uint256 heldMarket;\n\n }\n\n\n\n /*\n\n * Passes arbitrary bytes of data to an external contract that implements the Callee interface.\n\n * Does not change any asset amounts. This function may be useful for setting certain variables\n\n * on layer-two contracts for certain accounts without having to make a separate Ethereum\n\n * transaction for doing so. Also, the second-layer contracts can ensure that the call is coming\n\n * from an operator of the particular account.\n\n */\n\n struct CallArgs {\n\n Account.Info account;\n\n address callee;\n\n bytes data;\n\n }\n\n\n\n // ============ Helper Functions ============\n\n\n\n function getMarketLayout(\n\n ActionType actionType\n\n )\n\n internal\n\n pure\n\n returns (MarketLayout)\n\n {\n\n if (\n\n actionType == Actions.ActionType.Deposit\n\n || actionType == Actions.ActionType.Withdraw\n\n || actionType == Actions.ActionType.Transfer\n\n ) {\n\n return MarketLayout.OneMarket;\n\n }\n\n else if (actionType == Actions.ActionType.Call) {\n\n return MarketLayout.ZeroMarkets;\n\n }\n\n return MarketLayout.TwoMarkets;\n\n }\n\n\n\n function getAccountLayout(\n\n ActionType actionType\n\n )\n\n internal\n\n pure\n\n returns (AccountLayout)\n\n {\n\n if (\n\n actionType == Actions.ActionType.Transfer\n\n || actionType == Actions.ActionType.Trade\n\n ) {\n\n return AccountLayout.TwoPrimary;\n\n } else if (\n\n actionType == Actions.ActionType.Liquidate\n\n || actionType == Actions.ActionType.Vaporize\n\n ) {\n\n return AccountLayout.PrimaryAndSecondary;\n\n }\n\n return AccountLayout.OnePrimary;\n\n }\n\n\n\n // ============ Parsing Functions ============\n\n\n\n function parseDepositArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (DepositArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Deposit);\n\n return DepositArgs({\n\n amount: args.amount,\n\n account: accounts[args.accountId],\n\n market: args.primaryMarketId,\n\n from: args.otherAddress\n\n });\n\n }\n\n\n\n function parseWithdrawArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (WithdrawArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Withdraw);\n\n return WithdrawArgs({\n\n amount: args.amount,\n\n account: accounts[args.accountId],\n\n market: args.primaryMarketId,\n\n to: args.otherAddress\n\n });\n\n }\n\n\n\n function parseTransferArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (TransferArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Transfer);\n\n return TransferArgs({\n\n amount: args.amount,\n\n accountOne: accounts[args.accountId],\n\n accountTwo: accounts[args.otherAccountId],\n\n market: args.primaryMarketId\n\n });\n\n }\n\n\n\n function parseBuyArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (BuyArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Buy);\n\n return BuyArgs({\n\n amount: args.amount,\n\n account: accounts[args.accountId],\n\n makerMarket: args.primaryMarketId,\n\n takerMarket: args.secondaryMarketId,\n\n exchangeWrapper: args.otherAddress,\n\n orderData: args.data\n\n });\n\n }\n\n\n\n function parseSellArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (SellArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Sell);\n\n return SellArgs({\n\n amount: args.amount,\n\n account: accounts[args.accountId],\n\n takerMarket: args.primaryMarketId,\n\n makerMarket: args.secondaryMarketId,\n\n exchangeWrapper: args.otherAddress,\n\n orderData: args.data\n\n });\n\n }\n\n\n\n function parseTradeArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (TradeArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Trade);\n\n return TradeArgs({\n\n amount: args.amount,\n\n takerAccount: accounts[args.accountId],\n\n makerAccount: accounts[args.otherAccountId],\n\n inputMarket: args.primaryMarketId,\n\n outputMarket: args.secondaryMarketId,\n\n autoTrader: args.otherAddress,\n\n tradeData: args.data\n\n });\n\n }\n\n\n\n function parseLiquidateArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (LiquidateArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Liquidate);\n\n return LiquidateArgs({\n\n amount: args.amount,\n\n solidAccount: accounts[args.accountId],\n\n liquidAccount: accounts[args.otherAccountId],\n\n owedMarket: args.primaryMarketId,\n\n heldMarket: args.secondaryMarketId\n\n });\n\n }\n\n\n\n function parseVaporizeArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (VaporizeArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Vaporize);\n\n return VaporizeArgs({\n\n amount: args.amount,\n\n solidAccount: accounts[args.accountId],\n\n vaporAccount: accounts[args.otherAccountId],\n\n owedMarket: args.primaryMarketId,\n\n heldMarket: args.secondaryMarketId\n\n });\n\n }\n\n\n\n function parseCallArgs(\n\n Account.Info[] memory accounts,\n\n ActionArgs memory args\n\n )\n\n internal\n\n pure\n\n returns (CallArgs memory)\n\n {\n\n assert(args.actionType == ActionType.Call);\n\n return CallArgs({\n\n account: accounts[args.accountId],\n\n callee: args.otherAddress,\n\n data: args.data\n\n });\n\n }\n\n}\n\nlibrary Math {\n\n using SafeMath for uint256;\n\n\n\n // ============ Constants ============\n\n\n\n bytes32 constant FILE = \"Math\";\n\n\n\n // ============ Library Functions ============\n\n\n\n /*\n\n * Return target * (numerator / denominator).\n\n */\n\n function getPartial(\n\n uint256 target,\n\n uint256 numerator,\n\n uint256 denominator\n\n )\n\n internal\n\n pure\n\n returns (uint256)\n\n {\n\n return target.mul(numerator).div(denominator);\n\n }\n\n\n\n /*\n\n * Return target * (numerator / denominator), but rounded up.\n\n */\n\n function getPartialRoundUp(\n\n uint256 target,\n\n uint256 numerator,\n\n uint256 denominator\n\n )\n\n internal\n\n pure\n\n returns (uint256)\n\n {\n\n if (target == 0 || numerator == 0) {\n\n // SafeMath will check for zero denominator\n\n return SafeMath.div(0, denominator);\n\n }\n\n return target.mul(numerator).sub(1).div(denominator).add(1);\n\n }\n\n\n\n function to128(\n\n uint256 number\n\n )\n\n internal\n\n pure\n\n returns (uint128)\n\n {\n\n uint128 result = uint128(number);\n\n Require.that(\n\n result == number,\n\n FILE,\n\n \"Unsafe cast to uint128\"\n\n );\n\n return result;\n\n }\n\n\n\n function to96(\n\n uint256 number\n\n )\n\n internal\n\n pure\n\n returns (uint96)\n\n {\n\n uint96 result = uint96(number);\n\n Require.that(\n\n result == number,\n\n FILE,\n\n \"Unsafe cast to uint96\"\n\n );\n\n return result;\n\n }\n\n\n\n function to32(\n\n uint256 number\n\n )\n\n internal\n\n pure\n\n returns (uint32)\n\n {\n\n uint32 result = uint32(number);\n\n Require.that(\n\n result == number,\n\n FILE,\n\n \"Unsafe cast to uint32\"\n\n );\n\n return result;\n\n }\n\n\n\n function min(\n\n uint256 a,\n\n uint256 b\n\n )\n\n internal\n\n pure\n\n returns (uint256)\n\n {\n\n return a < b ? a : b;\n\n }\n\n\n\n function max(\n\n uint256 a,\n\n uint256 b\n\n )\n\n internal\n\n pure\n\n returns (uint256)\n\n {\n\n return a > b ? a : b;\n\n }\n\n}\n\nlibrary Require {\n\n\n\n // ============ Constants ============\n\n\n\n uint256 constant ASCII_ZERO = 48; // '0'\n\n uint256 constant ASCII_RELATIVE_ZERO = 87; // 'a' - 10\n\n uint256 constant ASCII_LOWER_EX = 120; // 'x'\n\n bytes2 constant COLON = 0x3a20; // ': '\n\n bytes2 constant COMMA = 0x2c20; // ', '\n\n bytes2 constant LPAREN = 0x203c; // ' <'\n\n byte constant RPAREN = 0x3e; // '>'\n\n uint256 constant FOUR_BIT_MASK = 0xf;\n\n\n\n // ============ Library Functions ============\n\n\n\n function that(\n\n bool must,\n\n bytes32 file,\n\n bytes32 reason\n\n )\n\n internal\n\n pure\n\n {\n\n if (!must) {\n\n revert(\n\n string(\n\n abi.encodePacked(\n\n stringifyTruncated(file),\n\n COLON,\n\n stringifyTruncated(reason)\n\n )\n\n )\n\n );\n\n }\n\n }\n\n\n\n function that(\n\n bool must,\n\n bytes32 file,\n\n bytes32 reason,\n\n uint256 payloadA\n\n )\n\n internal\n\n pure\n\n {\n\n if (!must) {\n\n revert(\n\n string(\n\n abi.encodePacked(\n\n stringifyTruncated(file),\n\n COLON,\n\n stringifyTruncated(reason),\n\n LPAREN,\n\n stringify(payloadA),\n\n RPAREN\n\n )\n\n )\n\n );\n\n }\n\n }\n\n\n\n function that(\n\n bool must,\n\n bytes32 file,\n\n bytes32 reason,\n\n uint256 payloadA,\n\n uint256 payloadB\n\n )\n\n internal\n\n pure\n\n {\n\n if (!must) {\n\n revert(\n\n string(\n\n abi.encodePacked(\n\n stringifyTruncated(file),\n\n COLON,\n\n stringifyTruncated(reason),\n\n LPAREN,\n\n stringify(payloadA),\n\n COMMA,\n\n stringify(payloadB),\n\n RPAREN\n\n )\n\n )\n\n );\n\n }\n\n }\n\n\n\n function that(\n\n bool must,\n\n bytes32 file,\n\n bytes32 reason,\n\n address payloadA\n\n )\n\n internal\n\n pure\n\n {\n\n if (!must) {\n\n revert(\n\n string(\n\n abi.encodePacked(\n\n stringifyTruncated(file),\n\n COLON,\n\n stringifyTruncated(reason),\n\n LPAREN,\n\n stringify(payloadA),\n\n RPAREN\n\n )\n\n )\n\n );\n\n }\n\n }\n\n\n\n function that(\n\n bool must,\n\n bytes32 file,\n\n bytes32 reason,\n\n address payloadA,\n\n uint256 payloadB\n\n )\n\n internal\n\n pure\n\n {\n\n if (!must) {\n\n revert(\n\n string(\n\n abi.encodePacked(\n\n stringifyTruncated(file),\n\n COLON,\n\n stringifyTruncated(reason),\n\n LPAREN,\n\n stringify(payloadA),\n\n COMMA,\n\n stringify(payloadB),\n\n RPAREN\n\n )\n\n )\n\n );\n\n }\n\n }\n\n\n\n function that(\n\n bool must,\n\n bytes32 file,\n\n bytes32 reason,\n\n address payloadA,\n\n uint256 payloadB,\n\n uint256 payloadC\n\n )\n\n internal\n\n pure\n\n {\n\n if (!must) {\n\n revert(\n\n string(\n\n abi.encodePacked(\n\n stringifyTruncated(file),\n\n COLON,\n\n stringifyTruncated(reason),\n\n LPAREN,\n\n stringify(payloadA),\n\n COMMA,\n\n stringify(payloadB),\n\n COMMA,\n\n stringify(payloadC),\n\n RPAREN\n\n )\n\n )\n\n );\n\n }\n\n }\n\n\n\n function that(\n\n bool must,\n\n bytes32 file,\n\n bytes32 reason,\n\n bytes32 payloadA\n\n )\n\n internal\n\n pure\n\n {\n\n if (!must) {\n\n revert(\n\n string(\n\n abi.encodePacked(\n\n stringifyTruncated(file),\n\n COLON,\n\n stringifyTruncated(reason),\n\n LPAREN,\n\n stringify(payloadA),\n\n RPAREN\n\n )\n\n )\n\n );\n\n }\n\n }\n\n\n\n function that(\n\n bool must,\n\n bytes32 file,\n\n bytes32 reason,\n\n bytes32 payloadA,\n\n uint256 payloadB,\n\n uint256 payloadC\n\n )\n\n internal\n\n pure\n\n {\n\n if (!must) {\n\n revert(\n\n string(\n\n abi.encodePacked(\n\n stringifyTruncated(file),\n\n COLON,\n\n stringifyTruncated(reason),\n\n LPAREN,\n\n stringify(payloadA),\n\n COMMA,\n\n stringify(payloadB),\n\n COMMA,\n\n stringify(payloadC),\n\n RPAREN\n\n )\n\n )\n\n );\n\n }\n\n }\n\n\n\n // ============ Private Functions ============\n\n\n\n function stringifyTruncated(\n\n bytes32 input\n\n )\n\n private\n\n pure\n\n returns (bytes memory)\n\n {\n\n // put the input bytes into the result\n\n bytes memory result = abi.encodePacked(input);\n\n\n\n // determine the length of the input by finding the location of the last non-zero byte\n\n for (uint256 i = 32; i > 0; ) {\n\n // reverse-for-loops with unsigned integer\n\n /* solium-disable-next-line security/no-modify-for-iter-var */\n\n i--;\n\n\n\n // find the last non-zero byte in order to determine the length\n\n if (result[i] != 0) {\n\n uint256 length = i + 1;\n\n\n\n /* solium-disable-next-line security/no-inline-assembly */\n\n assembly {\n\n mstore(result, length) // r.length = length;\n\n }\n\n\n\n return result;\n\n }\n\n }\n\n\n\n // all bytes are zero\n\n return new bytes(0);\n\n }\n\n\n\n function stringify(\n\n uint256 input\n\n )\n\n private\n\n pure\n\n returns (bytes memory)\n\n {\n\n if (input == 0) {\n\n return \"0\";\n\n }\n\n\n\n // get the final string length\n\n uint256 j = input;\n\n uint256 length;\n\n while (j != 0) {\n\n length++;\n\n j /= 10;\n\n }\n\n\n\n // allocate the string\n\n bytes memory bstr = new bytes(length);\n\n\n\n // populate the string starting with the least-significant character\n\n j = input;\n\n for (uint256 i = length; i > 0; ) {\n\n // reverse-for-loops with unsigned integer\n\n /* solium-disable-next-line security/no-modify-for-iter-var */\n\n i--;\n\n\n\n // take last decimal digit\n\n bstr[i] = byte(uint8(ASCII_ZERO + (j % 10)));\n\n\n\n // remove the last decimal digit\n\n j /= 10;\n\n }\n\n\n\n return bstr;\n\n }\n\n\n\n function stringify(\n\n address input\n\n )\n\n private\n\n pure\n\n returns (bytes memory)\n\n {\n\n uint256 z = uint256(input);\n\n\n\n // addresses are \"0x\" followed by 20 bytes of data which take up 2 characters each\n\n bytes memory result = new bytes(42);\n\n\n\n // populate the result with \"0x\"\n\n result[0] = byte(uint8(ASCII_ZERO));\n\n result[1] = byte(uint8(ASCII_LOWER_EX));\n\n\n\n // for each byte (starting from the lowest byte), populate the result with two characters\n\n for (uint256 i = 0; i < 20; i++) {\n\n // each byte takes two characters\n\n uint256 shift = i * 2;\n\n\n\n // populate the least-significant character\n\n result[41 - shift] = char(z & FOUR_BIT_MASK);\n\n z = z >> 4;\n\n\n\n // populate the most-significant character\n\n result[40 - shift] = char(z & FOUR_BIT_MASK);\n\n z = z >> 4;\n\n }\n\n\n\n return result;\n\n }\n\n\n\n function stringify(\n\n bytes32 input\n\n )\n\n private\n\n pure\n\n returns (bytes memory)\n\n {\n\n uint256 z = uint256(input);\n\n\n\n // bytes32 are \"0x\" followed by 32 bytes of data which take up 2 characters each\n\n bytes memory result = new bytes(66);\n\n\n\n // populate the result with \"0x\"\n\n result[0] = byte(uint8(ASCII_ZERO));\n\n result[1] = byte(uint8(ASCII_LOWER_EX));\n\n\n\n // for each byte (starting from the lowest byte), populate the result with two characters\n\n for (uint256 i = 0; i < 32; i++) {\n\n // each byte takes two characters\n\n uint256 shift = i * 2;\n\n\n\n // populate the least-significant character\n\n result[65 - shift] = char(z & FOUR_BIT_MASK);\n\n z = z >> 4;\n\n\n\n // populate the most-significant character\n\n result[64 - shift] = char(z & FOUR_BIT_MASK);\n\n z = z >> 4;\n\n }\n\n\n\n return result;\n\n }\n\n\n\n function char(\n\n uint256 input\n\n )\n\n private\n\n pure\n\n returns (byte)\n\n {\n\n // return ASCII digit (0-9)\n\n if (input < 10) {\n\n return byte(uint8(input + ASCII_ZERO));\n\n }\n\n\n\n // return ASCII letter (a-f)\n\n return byte(uint8(input + ASCII_RELATIVE_ZERO));\n\n }\n\n}\n\nlibrary Types {\n\n using Math for uint256;\n\n\n\n // ============ AssetAmount ============\n\n\n\n enum AssetDenomination {\n\n Wei, // the amount is denominated in wei\n\n Par // the amount is denominated in par\n\n }\n\n\n\n enum AssetReference {\n\n Delta, // the amount is given as a delta from the current value\n\n Target // the amount is given as an exact number to end up at\n\n }\n\n\n\n struct AssetAmount {\n\n bool sign; // true if positive\n\n AssetDenomination denomination;\n\n AssetReference ref;\n\n uint256 value;\n\n }\n\n\n\n // ============ Par (Principal Amount) ============\n\n\n\n // Total borrow and supply values for a market\n\n struct TotalPar {\n\n uint128 borrow;\n\n uint128 supply;\n\n }\n\n\n\n // Individual principal amount for an account\n\n struct Par {\n\n bool sign; // true if positive\n\n uint128 value;\n\n }\n\n\n\n function zeroPar()\n\n internal\n\n pure\n\n returns (Par memory)\n\n {\n\n return Par({\n\n sign: false,\n\n value: 0\n\n });\n\n }\n\n\n\n function sub(\n\n Par memory a,\n\n Par memory b\n\n )\n\n internal\n\n pure\n\n returns (Par memory)\n\n {\n\n return add(a, negative(b));\n\n }\n\n\n\n function add(\n\n Par memory a,\n\n Par memory b\n\n )\n\n internal\n\n pure\n\n returns (Par memory)\n\n {\n\n Par memory result;\n\n if (a.sign == b.sign) {\n\n result.sign = a.sign;\n\n result.value = SafeMath.add(a.value, b.value).to128();\n\n } else {\n\n if (a.value >= b.value) {\n\n result.sign = a.sign;\n\n result.value = SafeMath.sub(a.value, b.value).to128();\n\n } else {\n\n result.sign = b.sign;\n\n result.value = SafeMath.sub(b.value, a.value).to128();\n\n }\n\n }\n\n return result;\n\n }\n\n\n\n function equals(\n\n Par memory a,\n\n Par memory b\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n if (a.value == b.value) {\n\n if (a.value == 0) {\n\n return true;\n\n }\n\n return a.sign == b.sign;\n\n }\n\n return false;\n\n }\n\n\n\n function negative(\n\n Par memory a\n\n )\n\n internal\n\n pure\n\n returns (Par memory)\n\n {\n\n return Par({\n\n sign: !a.sign,\n\n value: a.value\n\n });\n\n }\n\n\n\n function isNegative(\n\n Par memory a\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n return !a.sign && a.value > 0;\n\n }\n\n\n\n function isPositive(\n\n Par memory a\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n return a.sign && a.value > 0;\n\n }\n\n\n\n function isZero(\n\n Par memory a\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n return a.value == 0;\n\n }\n\n\n\n // ============ Wei (Token Amount) ============\n\n\n\n // Individual token amount for an account\n\n struct Wei {\n\n bool sign; // true if positive\n\n uint256 value;\n\n }\n\n\n\n function zeroWei()\n\n internal\n\n pure\n\n returns (Wei memory)\n\n {\n\n return Wei({\n\n sign: false,\n\n value: 0\n\n });\n\n }\n\n\n\n function sub(\n\n Wei memory a,\n\n Wei memory b\n\n )\n\n internal\n\n pure\n\n returns (Wei memory)\n\n {\n\n return add(a, negative(b));\n\n }\n\n\n\n function add(\n\n Wei memory a,\n\n Wei memory b\n\n )\n\n internal\n\n pure\n\n returns (Wei memory)\n\n {\n\n Wei memory result;\n\n if (a.sign == b.sign) {\n\n result.sign = a.sign;\n\n result.value = SafeMath.add(a.value, b.value);\n\n } else {\n\n if (a.value >= b.value) {\n\n result.sign = a.sign;\n\n result.value = SafeMath.sub(a.value, b.value);\n\n } else {\n\n result.sign = b.sign;\n\n result.value = SafeMath.sub(b.value, a.value);\n\n }\n\n }\n\n return result;\n\n }\n\n\n\n function equals(\n\n Wei memory a,\n\n Wei memory b\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n if (a.value == b.value) {\n\n if (a.value == 0) {\n\n return true;\n\n }\n\n return a.sign == b.sign;\n\n }\n\n return false;\n\n }\n\n\n\n function negative(\n\n Wei memory a\n\n )\n\n internal\n\n pure\n\n returns (Wei memory)\n\n {\n\n return Wei({\n\n sign: !a.sign,\n\n value: a.value\n\n });\n\n }\n\n\n\n function isNegative(\n\n Wei memory a\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n return !a.sign && a.value > 0;\n\n }\n\n\n\n function isPositive(\n\n Wei memory a\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n return a.sign && a.value > 0;\n\n }\n\n\n\n function isZero(\n\n Wei memory a\n\n )\n\n internal\n\n pure\n\n returns (bool)\n\n {\n\n return a.value == 0;\n\n }\n\n}\n\ncontract FulcrumSavingsProtocol is ProtocolInterface, DSAuth {\n\n\n\n address public constant NEW_IDAI_ADDRESS = 0x493C57C4763932315A328269E1ADaD09653B9081;\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n\n\n address public savingsProxy;\n\n uint public decimals = 10 ** 18;\n\n\n\n function addSavingsProxy(address _savingsProxy) public auth {\n\n savingsProxy = _savingsProxy;\n\n }\n\n\n\n function deposit(address _user, uint _amount) public override {\n\n require(msg.sender == _user);\n\n\n\n // get dai from user\n\n require(ERC20(DAI_ADDRESS).transferFrom(_user, address(this), _amount));\n\n\n\n // approve dai to Fulcrum\n\n ERC20(DAI_ADDRESS).approve(NEW_IDAI_ADDRESS, uint(-1));\n\n\n\n // mint iDai\n\n ITokenInterface(NEW_IDAI_ADDRESS).mint(_user, _amount);\n\n }\n\n\n\n function withdraw(address _user, uint _amount) public override {\n\n require(msg.sender == _user);\n\n\n\n // transfer all users tokens to our contract\n\n require(ERC20(NEW_IDAI_ADDRESS).transferFrom(_user, address(this), ITokenInterface(NEW_IDAI_ADDRESS).balanceOf(_user)));\n\n\n\n // approve iDai to that contract\n\n ERC20(NEW_IDAI_ADDRESS).approve(NEW_IDAI_ADDRESS, uint(-1));\n\n uint tokenPrice = ITokenInterface(NEW_IDAI_ADDRESS).tokenPrice();\n\n\n\n // get dai from iDai contract\n\n ITokenInterface(NEW_IDAI_ADDRESS).burn(_user, _amount * decimals / tokenPrice);\n\n\n\n // return all remaining tokens back to user\n\n require(ERC20(NEW_IDAI_ADDRESS).transfer(_user, ITokenInterface(NEW_IDAI_ADDRESS).balanceOf(address(this))));\n\n }\n\n}\n\ncontract LoanShifterTaker is AdminAuth, ProxyPermission {\n\n\n\n ILendingPool public constant lendingPool = ILendingPool(0x398eC7346DcD622eDc5ae82352F02bE94C62d119);\n\n\n\n address public constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n\n\n address public constant MANAGER_ADDRESS = 0x5ef30b9986345249bc32d8928B7ee64DE9435E39;\n\n\n\n Manager public constant manager = Manager(MANAGER_ADDRESS);\n\n ShifterRegistry public constant shifterRegistry = ShifterRegistry(0x2612Af3A521c2df9EAF28422Ca335b04AdF3ac66);\n\n\n\n enum Protocols { MCD, COMPOUND }\n\n enum SwapType { NO_SWAP, COLL_SWAP, DEBT_SWAP }\n\n\n\n struct LoanShiftData {\n\n Protocols fromProtocol;\n\n Protocols toProtocol;\n\n SwapType swapType;\n\n bool wholeDebt;\n\n uint collAmount;\n\n uint debtAmount;\n\n address debtAddr1;\n\n address debtAddr2;\n\n address addrLoan1;\n\n address addrLoan2;\n\n uint id1;\n\n uint id2;\n\n }\n\n\n\n /// @notice Main entry point, it will move or transform a loan\n\n /// @dev Called through DSProxy\n\n function moveLoan(\n\n SaverExchangeCore.ExchangeData memory _exchangeData,\n\n LoanShiftData memory _loanShift\n\n ) public {\n\n if (_isSameTypeVaults(_loanShift)) {\n\n _forkVault(_loanShift);\n\n return;\n\n }\n\n\n\n _callCloseAndOpen(_exchangeData, _loanShift);\n\n }\n\n\n\n //////////////////////// INTERNAL FUNCTIONS //////////////////////////\n\n\n\n function _callCloseAndOpen(\n\n SaverExchangeCore.ExchangeData memory _exchangeData,\n\n LoanShiftData memory _loanShift\n\n ) internal {\n\n address protoAddr = shifterRegistry.getAddr(getNameByProtocol(uint8(_loanShift.fromProtocol)));\n\n\n\n uint loanAmount = _loanShift.debtAmount;\n\n\n\n if (_loanShift.wholeDebt) {\n\n loanAmount = ILoanShifter(protoAddr).getLoanAmount(_loanShift.id1, _loanShift.addrLoan1);\n\n }\n\n\n\n (\n\n uint[8] memory numData,\n\n address[8] memory addrData,\n\n uint8[3] memory enumData,\n\n bytes memory callData\n\n )\n\n = _packData(_loanShift, _exchangeData);\n\n\n\n // encode data\n\n bytes memory paramsData = abi.encode(numData, addrData, enumData, callData, address(this));\n\n\n\n address payable loanShifterReceiverAddr = payable(shifterRegistry.getAddr(\"LOAN_SHIFTER_RECEIVER\"));\n\n\n\n // call FL\n\n givePermission(loanShifterReceiverAddr);\n\n\n\n lendingPool.flashLoan(loanShifterReceiverAddr,\n\n getLoanAddr(_loanShift.debtAddr1, _loanShift.fromProtocol), loanAmount, paramsData);\n\n\n\n removePermission(loanShifterReceiverAddr);\n\n }\n\n\n\n function _forkVault(LoanShiftData memory _loanShift) internal {\n\n // Create new Vault to move to\n\n if (_loanShift.id2 == 0) {\n\n _loanShift.id2 = manager.open(manager.ilks(_loanShift.id1), address(this));\n\n }\n\n\n\n if (_loanShift.wholeDebt) {\n\n manager.shift(_loanShift.id1, _loanShift.id2);\n\n }\n\n }\n\n\n\n function _isSameTypeVaults(LoanShiftData memory _loanShift) internal pure returns (bool) {\n\n return _loanShift.fromProtocol == Protocols.MCD && _loanShift.toProtocol == Protocols.MCD\n\n && _loanShift.addrLoan1 == _loanShift.addrLoan2;\n\n }\n\n\n\n function getNameByProtocol(uint8 _proto) internal pure returns (string memory) {\n\n if (_proto == 0) {\n\n return \"MCD_SHIFTER\";\n\n } else if (_proto == 1) {\n\n return \"COMP_SHIFTER\";\n\n }\n\n }\n\n\n\n function getLoanAddr(address _address, Protocols _fromProtocol) internal returns (address) {\n\n if (_fromProtocol == Protocols.COMPOUND) {\n\n return CTokenInterface(_address).underlying();\n\n } else if (_fromProtocol == Protocols.MCD) {\n\n return DAI_ADDRESS;\n\n } else {\n\n return address(0);\n\n }\n\n }\n\n\n\n function _packData(\n\n LoanShiftData memory _loanShift,\n\n SaverExchangeCore.ExchangeData memory exchangeData\n\n ) internal pure returns (uint[8] memory numData, address[8] memory addrData, uint8[3] memory enumData, bytes memory callData) {\n\n\n\n numData = [\n\n _loanShift.collAmount,\n\n _loanShift.debtAmount,\n\n _loanShift.id1,\n\n _loanShift.id2,\n\n exchangeData.srcAmount,\n\n exchangeData.destAmount,\n\n exchangeData.minPrice,\n\n exchangeData.price0x\n\n ];\n\n\n\n addrData = [\n\n _loanShift.addrLoan1,\n\n _loanShift.addrLoan2,\n\n _loanShift.debtAddr1,\n\n _loanShift.debtAddr2,\n\n exchangeData.srcAddr,\n\n exchangeData.destAddr,\n\n exchangeData.exchangeAddr,\n\n exchangeData.wrapper\n\n ];\n\n\n\n enumData = [\n\n uint8(_loanShift.fromProtocol),\n\n uint8(_loanShift.toProtocol),\n\n uint8(_loanShift.swapType)\n\n ];\n\n\n\n callData = exchangeData.callData;\n\n }\n\n\n\n}\n\ncontract ShifterRegistry is AdminAuth {\n\n mapping (string => address) public contractAddresses;\n\n bool public finalized;\n\n\n\n function changeContractAddr(string memory _contractName, address _protoAddr) public onlyOwner {\n\n require(!finalized);\n\n contractAddresses[_contractName] = _protoAddr;\n\n }\n\n\n\n function lock() public onlyOwner {\n\n finalized = true;\n\n }\n\n\n\n function getAddr(string memory _contractName) public view returns (address contractAddr) {\n\n contractAddr = contractAddresses[_contractName];\n\n\n\n require(contractAddr != address(0), \"No contract address registred\");\n\n }\n\n\n\n}\n\nlibrary Address {\n\n function isContract(address account) internal view returns (bool) {\n\n // According to EIP-1052, 0x0 is the value returned for not-yet created accounts\n\n // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned\n\n // for accounts without code, i.e. `keccak256('')`\n\n bytes32 codehash;\n\n bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;\n\n // solhint-disable-next-line no-inline-assembly\n\n assembly { codehash := extcodehash(account) }\n\n return (codehash != accountHash && codehash != 0x0);\n\n }\n\n\n\n function sendValue(address payable recipient, uint256 amount) internal {\n\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n\n\n // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\n\n (bool success, ) = recipient.call{ value: amount }(\"\");\n\n require(success, \"Address: unable to send value, recipient may have reverted\");\n\n }\n\n\n\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n\n return functionCall(target, data, \"Address: low-level call failed\");\n\n }\n\n\n\n function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\n\n return _functionCallWithValue(target, data, 0, errorMessage);\n\n }\n\n\n\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n\n }\n\n\n\n function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {\n\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n\n return _functionCallWithValue(target, data, value, errorMessage);\n\n }\n\n\n\n function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {\n\n require(isContract(target), \"Address: call to non-contract\");\n\n\n\n // solhint-disable-next-line avoid-low-level-calls\n\n (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);\n\n if (success) {\n\n return returndata;\n\n } else {\n\n // Look for revert reason and bubble it up if present\n\n if (returndata.length > 0) {\n\n // The easiest way to bubble the revert reason is using memory via assembly\n\n\n\n // solhint-disable-next-line no-inline-assembly\n\n assembly {\n\n let returndata_size := mload(returndata)\n\n revert(add(32, returndata), returndata_size)\n\n }\n\n } else {\n\n revert(errorMessage);\n\n }\n\n }\n\n }\n\n}\n\ncontract DFSProxy is Auth {\n\n string public constant NAME = \"DFSProxy\";\n\n string public constant VERSION = \"v0.1\";\n\n\n\n mapping(address => mapping(uint => bool)) public nonces;\n\n\n\n // --- EIP712 niceties ---\n\n bytes32 public DOMAIN_SEPARATOR;\n\n bytes32 public constant PERMIT_TYPEHASH = keccak256(\"callProxy(address _user,address _proxy,address _contract,bytes _txData,uint256 _nonce)\");\n\n\n\n constructor(uint256 chainId_) public {\n\n DOMAIN_SEPARATOR = keccak256(abi.encode(\n\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\"),\n\n keccak256(bytes(NAME)),\n\n keccak256(bytes(VERSION)),\n\n chainId_,\n\n address(this)\n\n ));\n\n }\n\n\n\n function callProxy(address _user, address _proxy, address _contract, bytes calldata _txData, uint256 _nonce,\n\n uint8 _v, bytes32 _r, bytes32 _s) external payable onlyAuthorized\n\n {\n\n bytes32 digest =\n\n keccak256(abi.encodePacked(\n\n \"\\x19\\x01\",\n\n DOMAIN_SEPARATOR,\n\n keccak256(abi.encode(PERMIT_TYPEHASH,\n\n _user,\n\n _proxy,\n\n _contract,\n\n _txData,\n\n _nonce))\n\n ));\n\n\n\n // user must be proxy owner\n\n require(DSProxyInterface(_proxy).owner() == _user);\n\n require(_user == ecrecover(digest, _v, _r, _s), \"DFSProxy/user-not-valid\");\n\n require(!nonces[_user][_nonce], \"DFSProxy/invalid-nonce\");\n\n \n\n nonces[_user][_nonce] = true;\n\n\n\n DSProxyInterface(_proxy).execute{value: msg.value}(_contract, _txData);\n\n }\n\n}\n\ncontract DebugInfo {\n\n\n\n mapping (string => uint) public uintValues;\n\n mapping (string => address) public addrValues;\n\n mapping (string => string) public stringValues;\n\n mapping (string => bytes32) public bytes32Values;\n\n\n\n function logUint(string memory _id, uint _value) public {\n\n uintValues[_id] = _value;\n\n }\n\n\n\n function logAddr(string memory _id, address _value) public {\n\n addrValues[_id] = _value;\n\n }\n\n\n\n function logString(string memory _id, string memory _value) public {\n\n stringValues[_id] = _value;\n\n }\n\n\n\n function logBytes32(string memory _id, bytes32 _value) public {\n\n bytes32Values[_id] = _value;\n\n }\n\n}\n\ncontract Discount {\n\n address public owner;\n\n mapping(address => CustomServiceFee) public serviceFees;\n\n\n\n uint256 constant MAX_SERVICE_FEE = 400;\n\n\n\n struct CustomServiceFee {\n\n bool active;\n\n uint256 amount;\n\n }\n\n\n\n constructor() public {\n\n owner = msg.sender;\n\n }\n\n\n\n function isCustomFeeSet(address _user) public view returns (bool) {\n\n return serviceFees[_user].active;\n\n }\n\n\n\n function getCustomServiceFee(address _user) public view returns (uint256) {\n\n return serviceFees[_user].amount;\n\n }\n\n\n\n function setServiceFee(address _user, uint256 _fee) public {\n\n require(msg.sender == owner, \"Only owner\");\n\n require(_fee >= MAX_SERVICE_FEE || _fee == 0);\n\n\n\n serviceFees[_user] = CustomServiceFee({active: true, amount: _fee});\n\n }\n\n\n\n function disableServiceFee(address _user) public {\n\n require(msg.sender == owner, \"Only owner\");\n\n\n\n serviceFees[_user] = CustomServiceFee({active: false, amount: 0});\n\n }\n\n}\n\ncontract DydxFlashLoanBase {\n\n using SafeMath for uint256;\n\n\n\n address public constant SOLO_MARGIN_ADDRESS = 0x1E0447b19BB6EcFdAe1e4AE1694b0C3659614e4e;\n\n\n\n function _getMarketIdFromTokenAddress(address token)\n\n internal\n\n view\n\n returns (uint256)\n\n {\n\n return 0;\n\n }\n\n\n\n function _getRepaymentAmountInternal(uint256 amount)\n\n internal\n\n view\n\n returns (uint256)\n\n {\n\n // Needs to be overcollateralize\n\n // Needs to provide +2 wei to be safe\n\n return amount.add(2);\n\n }\n\n\n\n function _getAccountInfo() internal view returns (Account.Info memory) {\n\n return Account.Info({owner: address(this), number: 1});\n\n }\n\n\n\n function _getWithdrawAction(uint marketId, uint256 amount, address contractAddr)\n\n internal\n\n view\n\n returns (Actions.ActionArgs memory)\n\n {\n\n return\n\n Actions.ActionArgs({\n\n actionType: Actions.ActionType.Withdraw,\n\n accountId: 0,\n\n amount: Types.AssetAmount({\n\n sign: false,\n\n denomination: Types.AssetDenomination.Wei,\n\n ref: Types.AssetReference.Delta,\n\n value: amount\n\n }),\n\n primaryMarketId: marketId,\n\n secondaryMarketId: 0,\n\n otherAddress: contractAddr,\n\n otherAccountId: 0,\n\n data: \"\"\n\n });\n\n }\n\n\n\n function _getCallAction(bytes memory data, address contractAddr)\n\n internal\n\n view\n\n returns (Actions.ActionArgs memory)\n\n {\n\n return\n\n Actions.ActionArgs({\n\n actionType: Actions.ActionType.Call,\n\n accountId: 0,\n\n amount: Types.AssetAmount({\n\n sign: false,\n\n denomination: Types.AssetDenomination.Wei,\n\n ref: Types.AssetReference.Delta,\n\n value: 0\n\n }),\n\n primaryMarketId: 0,\n\n secondaryMarketId: 0,\n\n otherAddress: contractAddr,\n\n otherAccountId: 0,\n\n data: data\n\n });\n\n }\n\n\n\n function _getDepositAction(uint marketId, uint256 amount, address contractAddr)\n\n internal\n\n view\n\n returns (Actions.ActionArgs memory)\n\n {\n\n return\n\n Actions.ActionArgs({\n\n actionType: Actions.ActionType.Deposit,\n\n accountId: 0,\n\n amount: Types.AssetAmount({\n\n sign: true,\n\n denomination: Types.AssetDenomination.Wei,\n\n ref: Types.AssetReference.Delta,\n\n value: amount\n\n }),\n\n primaryMarketId: marketId,\n\n secondaryMarketId: 0,\n\n otherAddress: contractAddr,\n\n otherAccountId: 0,\n\n data: \"\"\n\n });\n\n }\n\n}\n\ncontract ExchangeDataParser {\n\n function decodeExchangeData(\n\n SaverExchangeCore.ExchangeData memory exchangeData\n\n ) internal pure returns (address[4] memory, uint[4] memory, bytes memory) {\n\n return (\n\n [exchangeData.srcAddr, exchangeData.destAddr, exchangeData.exchangeAddr, exchangeData.wrapper],\n\n [exchangeData.srcAmount, exchangeData.destAmount, exchangeData.minPrice, exchangeData.price0x],\n\n exchangeData.callData\n\n );\n\n }\n\n\n\n function encodeExchangeData(\n\n address[4] memory exAddr, uint[4] memory exNum, bytes memory callData\n\n ) internal pure returns (SaverExchangeCore.ExchangeData memory) {\n\n return SaverExchangeCore.ExchangeData({\n\n srcAddr: exAddr[0],\n\n destAddr: exAddr[1],\n\n srcAmount: exNum[0],\n\n destAmount: exNum[1],\n\n minPrice: exNum[2],\n\n wrapper: exAddr[3],\n\n exchangeAddr: exAddr[2],\n\n callData: callData,\n\n price0x: exNum[3]\n\n });\n\n }\n\n}\n\ninterface IFlashLoanReceiver {\n\n function executeOperation(address _reserve, uint256 _amount, uint256 _fee, bytes calldata _params) external;\n\n}\n\nabstract contract ILendingPoolAddressesProvider {\n\n\n\n function getLendingPool() public view virtual returns (address);\n\n function setLendingPoolImpl(address _pool) public virtual;\n\n\n\n function getLendingPoolCore() public virtual view returns (address payable);\n\n function setLendingPoolCoreImpl(address _lendingPoolCore) public virtual;\n\n\n\n function getLendingPoolConfigurator() public virtual view returns (address);\n\n function setLendingPoolConfiguratorImpl(address _configurator) public virtual;\n\n\n\n function getLendingPoolDataProvider() public virtual view returns (address);\n\n function setLendingPoolDataProviderImpl(address _provider) public virtual;\n\n\n\n function getLendingPoolParametersProvider() public virtual view returns (address);\n\n function setLendingPoolParametersProviderImpl(address _parametersProvider) public virtual;\n\n\n\n function getTokenDistributor() public virtual view returns (address);\n\n function setTokenDistributor(address _tokenDistributor) public virtual;\n\n\n\n\n\n function getFeeProvider() public virtual view returns (address);\n\n function setFeeProviderImpl(address _feeProvider) public virtual;\n\n\n\n function getLendingPoolLiquidationManager() public virtual view returns (address);\n\n function setLendingPoolLiquidationManager(address _manager) public virtual;\n\n\n\n function getLendingPoolManager() public virtual view returns (address);\n\n function setLendingPoolManager(address _lendingPoolManager) public virtual;\n\n\n\n function getPriceOracle() public virtual view returns (address);\n\n function setPriceOracle(address _priceOracle) public virtual;\n\n\n\n function getLendingRateOracle() public view virtual returns (address);\n\n function setLendingRateOracle(address _lendingRateOracle) public virtual;\n\n}\n\nlibrary EthAddressLib {\n\n\n\n function ethAddress() internal pure returns(address) {\n\n return 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n }\n\n}\n\nabstract contract FlashLoanReceiverBase is IFlashLoanReceiver {\n\n\n\n using SafeERC20 for ERC20;\n\n using SafeMath for uint256;\n\n\n\n ILendingPoolAddressesProvider public addressesProvider;\n\n\n\n constructor(ILendingPoolAddressesProvider _provider) public {\n\n addressesProvider = _provider;\n\n }\n\n\n\n receive () external virtual payable {}\n\n\n\n function transferFundsBackToPoolInternal(address _reserve, uint256 _amount) internal {\n\n\n\n address payable core = addressesProvider.getLendingPoolCore();\n\n\n\n transferInternal(core,_reserve, _amount);\n\n }\n\n\n\n function transferInternal(address payable _destination, address _reserve, uint256 _amount) internal {\n\n if(_reserve == EthAddressLib.ethAddress()) {\n\n //solium-disable-next-line\n\n _destination.call{value: _amount}(\"\");\n\n return;\n\n }\n\n\n\n ERC20(_reserve).safeTransfer(_destination, _amount);\n\n\n\n\n\n }\n\n\n\n function getBalanceInternal(address _target, address _reserve) internal view returns(uint256) {\n\n if(_reserve == EthAddressLib.ethAddress()) {\n\n\n\n return _target.balance;\n\n }\n\n\n\n return ERC20(_reserve).balanceOf(_target);\n\n\n\n }\n\n}\n\ncontract GasBurner {\n\n // solhint-disable-next-line const-name-snakecase\n\n GasTokenInterface public constant gasToken = GasTokenInterface(0x0000000000b3F879cb30FE243b4Dfee438691c04);\n\n\n\n modifier burnGas(uint _amount) {\n\n if (gasToken.balanceOf(address(this)) >= _amount) {\n\n gasToken.free(_amount);\n\n }\n\n\n\n _;\n\n }\n\n}\n\nlibrary SafeERC20 {\n\n using SafeMath for uint256;\n\n using Address for address;\n\n\n\n function safeTransfer(ERC20 token, address to, uint256 value) internal {\n\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n\n }\n\n\n\n function safeTransferFrom(ERC20 token, address from, address to, uint256 value) internal {\n\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n\n }\n\n\n\n /**\n\n * @dev Deprecated. This function has issues similar to the ones found in\n\n * {IERC20-approve}, and its usage is discouraged.\n\n */\n\n function safeApprove(ERC20 token, address spender, uint256 value) internal {\n\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n\n }\n\n\n\n function safeIncreaseAllowance(ERC20 token, address spender, uint256 value) internal {\n\n uint256 newAllowance = token.allowance(address(this), spender).add(value);\n\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n\n }\n\n\n\n function safeDecreaseAllowance(ERC20 token, address spender, uint256 value) internal {\n\n uint256 newAllowance = token.allowance(address(this), spender).sub(value, \"SafeERC20: decreased allowance below zero\");\n\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n\n }\n\n\n\n function _callOptionalReturn(ERC20 token, bytes memory data) private {\n\n\n\n bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n\n if (returndata.length > 0) { // Return data is optional\n\n // solhint-disable-next-line max-line-length\n\n require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n\n }\n\n }\n\n}\n\nlibrary SafeMath {\n\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\n\n uint256 c = a + b;\n\n require(c >= a, \"SafeMath: addition overflow\");\n\n\n\n return c;\n\n }\n\n\n\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\n\n return sub(a, b, \"SafeMath: subtraction overflow\");\n\n }\n\n\n\n function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\n\n require(b <= a, errorMessage);\n\n uint256 c = a - b;\n\n\n\n return c;\n\n }\n\n\n\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\n\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n\n // benefit is lost if 'b' is also tested.\n\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\n\n if (a == 0) {\n\n return 0;\n\n }\n\n\n\n uint256 c = a * b;\n\n require(c / a == b, \"SafeMath: multiplication overflow\");\n\n\n\n return c;\n\n }\n\n\n\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\n\n return div(a, b, \"SafeMath: division by zero\");\n\n }\n\n\n\n function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\n\n require(b > 0, errorMessage);\n\n uint256 c = a / b;\n\n // assert(a == b * c + a % b); // There is no case in which this doesn't hold\n\n\n\n return c;\n\n }\n\n\n\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\n\n return mod(a, b, \"SafeMath: modulo by zero\");\n\n }\n\n\n\n function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\n\n require(b != 0, errorMessage);\n\n return a % b;\n\n }\n\n}\n\ncontract ZrxAllowlist is AdminAuth {\n\n\n\n mapping (address => bool) public zrxAllowlist;\n\n\n\n function setAllowlistAddr(address _zrxAddr, bool _state) public onlyOwner {\n\n zrxAllowlist[_zrxAddr] = _state;\n\n }\n\n\n\n function isZrxAddr(address _zrxAddr) public view returns (bool) {\n\n return zrxAllowlist[_zrxAddr];\n\n }\n\n}\n\ncontract AaveBasicProxy is GasBurner {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n address public constant ETH_ADDR = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n address public constant AAVE_LENDING_POOL_ADDRESSES = 0x24a42fD28C976A61Df5D00D0599C34c4f90748c8;\n\n\n\n uint16 public constant AAVE_REFERRAL_CODE = 64;\n\n\n\n /// @notice User deposits tokens to the Aave protocol\n\n /// @dev User needs to approve the DSProxy to pull the _tokenAddr tokens\n\n /// @param _tokenAddr The address of the token to be deposited\n\n /// @param _amount Amount of tokens to be deposited\n\n function deposit(address _tokenAddr, uint256 _amount) public burnGas(5) payable {\n\n address lendingPoolCore = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n address lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\n\n uint ethValue = _amount;\n\n\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransferFrom(msg.sender, address(this), _amount);\n\n approveToken(_tokenAddr, lendingPoolCore);\n\n ethValue = 0;\n\n }\n\n\n\n ILendingPool(lendingPool).deposit{value: ethValue}(_tokenAddr, _amount, AAVE_REFERRAL_CODE);\n\n\n\n setUserUseReserveAsCollateralIfNeeded(_tokenAddr);\n\n }\n\n\n\n /// @notice User withdraws tokens from the Aave protocol\n\n /// @param _tokenAddr The address of the token to be withdrawn\n\n /// @param _aTokenAddr ATokens to be withdrawn\n\n /// @param _amount Amount of tokens to be withdrawn\n\n /// @param _wholeAmount If true we will take the whole amount on chain\n\n function withdraw(address _tokenAddr, address _aTokenAddr, uint256 _amount, bool _wholeAmount) public burnGas(8) {\n\n uint256 amount = _wholeAmount ? ERC20(_aTokenAddr).balanceOf(address(this)) : _amount;\n\n\n\n IAToken(_aTokenAddr).redeem(amount);\n\n\n\n withdrawTokens(_tokenAddr);\n\n }\n\n\n\n /// @notice User borrows tokens to the Aave protocol\n\n /// @param _tokenAddr The address of the token to be borrowed\n\n /// @param _amount Amount of tokens to be borrowed\n\n /// @param _type Send 1 for variable rate and 2 for fixed rate\n\n function borrow(address _tokenAddr, uint256 _amount, uint256 _type) public burnGas(8) {\n\n address lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\n\n ILendingPool(lendingPool).borrow(_tokenAddr, _amount, _type, AAVE_REFERRAL_CODE);\n\n\n\n withdrawTokens(_tokenAddr);\n\n }\n\n\n\n /// @dev User needs to approve the DSProxy to pull the _tokenAddr tokens\n\n /// @notice User paybacks tokens to the Aave protocol\n\n /// @param _tokenAddr The address of the token to be paybacked\n\n /// @param _aTokenAddr ATokens to be paybacked\n\n /// @param _amount Amount of tokens to be payed back\n\n /// @param _wholeDebt If true the _amount will be set to the whole amount of the debt\n\n function payback(address _tokenAddr, address _aTokenAddr, uint256 _amount, bool _wholeDebt) public burnGas(3) payable {\n\n address lendingPoolCore = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n address lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\n\n uint256 amount = _amount;\n\n\n\n (,uint256 borrowAmount,,,,,uint256 originationFee,,,) = ILendingPool(lendingPool).getUserReserveData(_tokenAddr, address(this));\n\n\n\n if (_wholeDebt) {\n\n amount = borrowAmount;\n\n }\n\n\n\n amount += originationFee;\n\n\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransferFrom(msg.sender, address(this), amount);\n\n approveToken(_tokenAddr, lendingPoolCore);\n\n }\n\n\n\n ILendingPool(lendingPool).repay{value: msg.value}(_tokenAddr, amount, payable(address(this)));\n\n\n\n withdrawTokens(_tokenAddr);\n\n }\n\n\n\n /// @dev User needs to approve the DSProxy to pull the _tokenAddr tokens\n\n /// @notice User paybacks tokens to the Aave protocol\n\n /// @param _tokenAddr The address of the token to be paybacked\n\n /// @param _aTokenAddr ATokens to be paybacked\n\n /// @param _amount Amount of tokens to be payed back\n\n /// @param _wholeDebt If true the _amount will be set to the whole amount of the debt\n\n function paybackOnBehalf(address _tokenAddr, address _aTokenAddr, uint256 _amount, bool _wholeDebt, address payable _onBehalf) public burnGas(3) payable {\n\n address lendingPoolCore = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n address lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\n\n uint256 amount = _amount;\n\n\n\n (,uint256 borrowAmount,,,,,uint256 originationFee,,,) = ILendingPool(lendingPool).getUserReserveData(_tokenAddr, _onBehalf);\n\n\n\n if (_wholeDebt) {\n\n amount = borrowAmount;\n\n }\n\n\n\n amount += originationFee;\n\n\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransferFrom(msg.sender, address(this), amount);\n\n approveToken(_tokenAddr, lendingPoolCore);\n\n }\n\n\n\n ILendingPool(lendingPool).repay{value: msg.value}(_tokenAddr, amount, _onBehalf);\n\n\n\n withdrawTokens(_tokenAddr);\n\n }\n\n\n\n /// @notice Helper method to withdraw tokens from the DSProxy\n\n /// @param _tokenAddr Address of the token to be withdrawn\n\n function withdrawTokens(address _tokenAddr) public {\n\n uint256 amount = _tokenAddr == ETH_ADDR ? address(this).balance : ERC20(_tokenAddr).balanceOf(address(this));\n\n\n\n if (amount > 0) {\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransfer(msg.sender, amount);\n\n } else {\n\n msg.sender.transfer(amount);\n\n }\n\n }\n\n }\n\n\n\n /// @notice Approves token contract to pull underlying tokens from the DSProxy\n\n /// @param _tokenAddr Token we are trying to approve\n\n /// @param _caller Address which will gain the approval\n\n function approveToken(address _tokenAddr, address _caller) internal {\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeApprove(_caller, 0);\n\n ERC20(_tokenAddr).safeApprove(_caller, uint256(-1));\n\n }\n\n }\n\n\n\n function setUserUseReserveAsCollateralIfNeeded(address _tokenAddr) public {\n\n address lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n (,,,,,,,,,bool collateralEnabled) = ILendingPool(lendingPool).getUserReserveData(_tokenAddr, address(this));\n\n\n\n if (!collateralEnabled) {\n\n ILendingPool(lendingPool).setUserUseReserveAsCollateral(_tokenAddr, true);\n\n }\n\n }\n\n\n\n function setUserUseReserveAsCollateral(address _tokenAddr, bool _true) public {\n\n address lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\n\n ILendingPool(lendingPool).setUserUseReserveAsCollateral(_tokenAddr, _true);\n\n }\n\n\n\n function swapBorrowRateMode(address _reserve) public {\n\n address lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\n\n ILendingPool(lendingPool).swapBorrowRateMode(_reserve);\n\n }\n\n}\n\ncontract AaveLoanInfo is AaveSafetyRatio {\n\n\n\n\tstruct LoanData {\n\n address user;\n\n uint128 ratio;\n\n address[] collAddr;\n\n address[] borrowAddr;\n\n uint256[] collAmounts;\n\n uint256[] borrowAmounts;\n\n }\n\n\n\n struct TokenInfo {\n\n address aTokenAddress;\n\n address underlyingTokenAddress;\n\n uint256 collateralFactor;\n\n uint256 price;\n\n }\n\n\n\n struct TokenInfoFull {\n\n \taddress aTokenAddress;\n\n address underlyingTokenAddress;\n\n uint256 supplyRate;\n\n uint256 borrowRate;\n\n uint256 totalSupply;\n\n uint256 availableLiquidity;\n\n uint256 totalBorrow;\n\n uint256 collateralFactor;\n\n uint256 price;\n\n bool usageAsCollateralEnabled;\n\n }\n\n\n\n /// @notice Calcualted the ratio of coll/debt for a compound user\n\n /// @param _user Address of the user\n\n function getRatio(address _user) public view returns (uint256) {\n\n // For each asset the account is in\n\n return getSafetyRatio(_user);\n\n }\n\n\n\n /// @notice Fetches Aave prices for tokens\n\n /// @param _tokens Arr. of tokens for which to get the prices\n\n /// @return prices Array of prices\n\n function getPrices(address[] memory _tokens) public view returns (uint256[] memory prices) {\n\n address priceOracleAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getPriceOracle();\n\n prices = new uint[](_tokens.length);\n\n\n\n for (uint256 i = 0; i < _tokens.length; ++i) {\n\n prices[i] = IPriceOracleGetterAave(priceOracleAddress).getAssetPrice(_tokens[i]);\n\n }\n\n }\n\n\n\n /// @notice Fetches Aave collateral factors for tokens\n\n /// @param _tokens Arr. of tokens for which to get the coll. factors\n\n /// @return collFactors Array of coll. factors\n\n function getCollFactors(address[] memory _tokens) public view returns (uint256[] memory collFactors) {\n\n \taddress lendingPoolCoreAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n collFactors = new uint256[](_tokens.length);\n\n\n\n for (uint256 i = 0; i < _tokens.length; ++i) {\n\n \t(,collFactors[i],,) = ILendingPool(lendingPoolCoreAddress).getReserveConfiguration(_tokens[i]);\n\n }\n\n }\n\n\n\n function getTokenBalances(address _user, address[] memory _tokens) public view returns (uint256[] memory balances, uint256[] memory borrows, bool[] memory enabledAsCollateral) {\n\n \taddress lendingPoolAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\n\n balances = new uint256[](_tokens.length);\n\n borrows = new uint256[](_tokens.length);\n\n enabledAsCollateral = new bool[](_tokens.length);\n\n\n\n for (uint256 i = 0; i < _tokens.length; i++) {\n\n address asset = _tokens[i];\n\n\n\n (balances[i], borrows[i],,,,,,,,enabledAsCollateral[i]) = ILendingPool(lendingPoolAddress).getUserReserveData(asset, _user);\n\n }\n\n }\n\n\n\n /// @notice Calcualted the ratio of coll/debt for an aave user\n\n /// @param _users Addresses of the user\n\n /// @return ratios Array of ratios\n\n function getRatios(address[] memory _users) public view returns (uint256[] memory ratios) {\n\n ratios = new uint256[](_users.length);\n\n\n\n for (uint256 i = 0; i < _users.length; ++i) {\n\n ratios[i] = getSafetyRatio(_users[i]);\n\n }\n\n }\n\n\n\n /// @notice Information about reserves\n\n /// @param _tokenAddresses Array of tokens addresses\n\n /// @return tokens Array of reserves infomartion\n\n function getTokensInfo(address[] memory _tokenAddresses) public view returns(TokenInfo[] memory tokens) {\n\n \taddress lendingPoolCoreAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n \taddress priceOracleAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getPriceOracle();\n\n\n\n tokens = new TokenInfo[](_tokenAddresses.length);\n\n\n\n for (uint256 i = 0; i < _tokenAddresses.length; ++i) {\n\n \t(,uint256 ltv,,) = ILendingPool(lendingPoolCoreAddress).getReserveConfiguration(_tokenAddresses[i]);\n\n\n\n tokens[i] = TokenInfo({\n\n aTokenAddress: ILendingPool(lendingPoolCoreAddress).getReserveATokenAddress(_tokenAddresses[i]),\n\n underlyingTokenAddress: _tokenAddresses[i],\n\n collateralFactor: ltv,\n\n price: IPriceOracleGetterAave(priceOracleAddress).getAssetPrice(_tokenAddresses[i])\n\n });\n\n }\n\n }\n\n\n\n /// @notice Information about reserves\n\n /// @param _tokenAddresses Array of token addresses\n\n /// @return tokens Array of reserves infomartion\n\n function getFullTokensInfo(address[] memory _tokenAddresses) public view returns(TokenInfoFull[] memory tokens) {\n\n \taddress lendingPoolCoreAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n \taddress priceOracleAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getPriceOracle();\n\n\n\n tokens = new TokenInfoFull[](_tokenAddresses.length);\n\n\n\n for (uint256 i = 0; i < _tokenAddresses.length; ++i) {\n\n \t(,uint256 ltv,,bool usageAsCollateralEnabled) = ILendingPool(lendingPoolCoreAddress).getReserveConfiguration(_tokenAddresses[i]);\n\n\n\n tokens[i] = TokenInfoFull({\n\n \taTokenAddress: ILendingPool(lendingPoolCoreAddress).getReserveATokenAddress(_tokenAddresses[i]),\n\n underlyingTokenAddress: _tokenAddresses[i],\n\n supplyRate: ILendingPool(lendingPoolCoreAddress).getReserveCurrentLiquidityRate(_tokenAddresses[i]),\n\n borrowRate: ILendingPool(lendingPoolCoreAddress).getReserveCurrentVariableBorrowRate(_tokenAddresses[i]),\n\n totalSupply: ILendingPool(lendingPoolCoreAddress).getReserveTotalLiquidity(_tokenAddresses[i]),\n\n availableLiquidity: ILendingPool(lendingPoolCoreAddress).getReserveAvailableLiquidity(_tokenAddresses[i]),\n\n totalBorrow: ILendingPool(lendingPoolCoreAddress).getReserveTotalBorrowsVariable(_tokenAddresses[i]),\n\n collateralFactor: ltv,\n\n price: IPriceOracleGetterAave(priceOracleAddress).getAssetPrice(_tokenAddresses[i]),\n\n usageAsCollateralEnabled: usageAsCollateralEnabled\n\n });\n\n }\n\n }\n\n\n\n\n\n /// @notice Fetches all the collateral/debt address and amounts, denominated in ether\n\n /// @param _user Address of the user\n\n /// @return data LoanData information\n\n function getLoanData(address _user) public view returns (LoanData memory data) {\n\n address lendingPoolAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n address priceOracleAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getPriceOracle();\n\n\n\n address[] memory reserves = ILendingPool(lendingPoolAddress).getReserves();\n\n\n\n data = LoanData({\n\n user: _user,\n\n ratio: 0,\n\n collAddr: new address[](reserves.length),\n\n borrowAddr: new address[](reserves.length),\n\n collAmounts: new uint[](reserves.length),\n\n borrowAmounts: new uint[](reserves.length)\n\n });\n\n\n\n uint64 collPos = 0;\n\n uint64 borrowPos = 0;\n\n\n\n for (uint64 i = 0; i < reserves.length; i++) {\n\n address reserve = reserves[i];\n\n\n\n (uint256 aTokenBalance, uint256 borrowBalance,,,,,,,,) = ILendingPool(lendingPoolAddress).getUserReserveData(reserve, _user);\n\n uint256 price = IPriceOracleGetterAave(priceOracleAddress).getAssetPrice(reserves[i]);\n\n\n\n if (aTokenBalance > 0) {\n\n \tuint256 userTokenBalanceEth = wmul(aTokenBalance, price);\n\n \tdata.collAddr[collPos] = reserve;\n\n data.collAmounts[collPos] = userTokenBalanceEth;\n\n collPos++;\n\n \t}\n\n\n\n // Sum up debt in Eth\n\n if (borrowBalance > 0) {\n\n \tuint256 userBorrowBalanceEth = wmul(borrowBalance, price);\n\n data.borrowAddr[borrowPos] = reserve;\n\n data.borrowAmounts[borrowPos] = userBorrowBalanceEth;\n\n borrowPos++;\n\n }\n\n }\n\n\n\n data.ratio = uint128(getSafetyRatio(_user));\n\n\n\n return data;\n\n }\n\n\n\n /// @notice Fetches all the collateral/debt address and amounts, denominated in ether\n\n /// @param _users Addresses of the user\n\n /// @return loans Array of LoanData information\n\n function getLoanDataArr(address[] memory _users) public view returns (LoanData[] memory loans) {\n\n loans = new LoanData[](_users.length);\n\n\n\n for (uint i = 0; i < _users.length; ++i) {\n\n loans[i] = getLoanData(_users[i]);\n\n }\n\n }\n\n}\n\ncontract AaveMonitor is AdminAuth, DSMath, AaveSafetyRatio, GasBurner {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n enum Method { Boost, Repay }\n\n\n\n uint public REPAY_GAS_TOKEN = 19;\n\n uint public BOOST_GAS_TOKEN = 19;\n\n\n\n uint public MAX_GAS_PRICE = 200000000000; // 200 gwei\n\n\n\n uint public REPAY_GAS_COST = 2000000;\n\n uint public BOOST_GAS_COST = 2000000;\n\n\n\n address public constant DEFISAVER_LOGGER = 0x5c55B921f590a89C1Ebe84dF170E655a82b62126;\n\n\n\n AaveMonitorProxy public aaveMonitorProxy;\n\n AaveSubscriptions public subscriptionsContract;\n\n address public aaveSaverProxy;\n\n\n\n DefisaverLogger public logger = DefisaverLogger(DEFISAVER_LOGGER);\n\n\n\n /// @dev Addresses that are able to call methods for repay and boost\n\n mapping(address => bool) public approvedCallers;\n\n\n\n modifier onlyApproved() {\n\n require(approvedCallers[msg.sender]);\n\n _;\n\n }\n\n\n\n /// @param _aaveMonitorProxy Proxy contracts that actually is authorized to call DSProxy\n\n /// @param _subscriptions Subscriptions contract for Aave positions\n\n /// @param _aaveSaverProxy Contract that actually performs Repay/Boost\n\n constructor(address _aaveMonitorProxy, address _subscriptions, address _aaveSaverProxy) public {\n\n approvedCallers[msg.sender] = true;\n\n\n\n aaveMonitorProxy = AaveMonitorProxy(_aaveMonitorProxy);\n\n subscriptionsContract = AaveSubscriptions(_subscriptions);\n\n aaveSaverProxy = _aaveSaverProxy;\n\n }\n\n\n\n /// @notice Bots call this method to repay for user when conditions are met\n\n /// @dev If the contract ownes gas token it will try and use it for gas price reduction\n\n /// @param _exData Exchange data\n\n /// @param _user The actual address that owns the Aave position\n\n function repayFor(\n\n SaverExchangeCore.ExchangeData memory _exData,\n\n address _user\n\n ) public payable onlyApproved burnGas(REPAY_GAS_TOKEN) {\n\n\n\n (bool isAllowed, uint ratioBefore) = canCall(Method.Repay, _user);\n\n require(isAllowed); // check if conditions are met\n\n\n\n uint256 gasCost = calcGasCost(REPAY_GAS_COST);\n\n\n\n aaveMonitorProxy.callExecute{value: msg.value}(\n\n _user,\n\n aaveSaverProxy,\n\n abi.encodeWithSignature(\n\n \"repay((address,address,uint256,uint256,uint256,address,address,bytes,uint256),uint256)\",\n\n _exData,\n\n gasCost\n\n )\n\n );\n\n\n\n (bool isGoodRatio, uint ratioAfter) = ratioGoodAfter(Method.Repay, _user);\n\n require(isGoodRatio); // check if the after result of the actions is good\n\n\n\n returnEth();\n\n\n\n logger.Log(address(this), _user, \"AutomaticAaveRepay\", abi.encode(ratioBefore, ratioAfter));\n\n }\n\n\n\n /// @notice Bots call this method to boost for user when conditions are met\n\n /// @dev If the contract ownes gas token it will try and use it for gas price reduction\n\n /// @param _exData Exchange data\n\n /// @param _user The actual address that owns the Aave position\n\n function boostFor(\n\n SaverExchangeCore.ExchangeData memory _exData,\n\n address _user\n\n ) public payable onlyApproved burnGas(BOOST_GAS_TOKEN) {\n\n\n\n (bool isAllowed, uint ratioBefore) = canCall(Method.Boost, _user);\n\n require(isAllowed); // check if conditions are met\n\n\n\n uint256 gasCost = calcGasCost(BOOST_GAS_COST);\n\n\n\n aaveMonitorProxy.callExecute{value: msg.value}(\n\n _user,\n\n aaveSaverProxy,\n\n abi.encodeWithSignature(\n\n \"boost((address,address,uint256,uint256,uint256,address,address,bytes,uint256),uint256)\",\n\n _exData,\n\n gasCost\n\n )\n\n );\n\n\n\n\n\n (bool isGoodRatio, uint ratioAfter) = ratioGoodAfter(Method.Boost, _user);\n\n require(isGoodRatio); // check if the after result of the actions is good\n\n\n\n returnEth();\n\n\n\n logger.Log(address(this), _user, \"AutomaticAaveBoost\", abi.encode(ratioBefore, ratioAfter));\n\n }\n\n\n\n/******************* INTERNAL METHODS ********************************/\n\n function returnEth() internal {\n\n // return if some eth left\n\n if (address(this).balance > 0) {\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n/******************* STATIC METHODS ********************************/\n\n\n\n /// @notice Checks if Boost/Repay could be triggered for the CDP\n\n /// @dev Called by AaveMonitor to enforce the min/max check\n\n /// @param _method Type of action to be called\n\n /// @param _user The actual address that owns the Aave position\n\n /// @return Boolean if it can be called and the ratio\n\n function canCall(Method _method, address _user) public view returns(bool, uint) {\n\n bool subscribed = subscriptionsContract.isSubscribed(_user);\n\n AaveSubscriptions.AaveHolder memory holder = subscriptionsContract.getHolder(_user);\n\n\n\n // check if cdp is subscribed\n\n if (!subscribed) return (false, 0);\n\n\n\n // check if boost and boost allowed\n\n if (_method == Method.Boost && !holder.boostEnabled) return (false, 0);\n\n\n\n uint currRatio = getSafetyRatio(_user);\n\n\n\n if (_method == Method.Repay) {\n\n return (currRatio < holder.minRatio, currRatio);\n\n } else if (_method == Method.Boost) {\n\n return (currRatio > holder.maxRatio, currRatio);\n\n }\n\n }\n\n\n\n /// @dev After the Boost/Repay check if the ratio doesn't trigger another call\n\n /// @param _method Type of action to be called\n\n /// @param _user The actual address that owns the Aave position\n\n /// @return Boolean if the recent action preformed correctly and the ratio\n\n function ratioGoodAfter(Method _method, address _user) public view returns(bool, uint) {\n\n AaveSubscriptions.AaveHolder memory holder;\n\n\n\n holder= subscriptionsContract.getHolder(_user);\n\n\n\n uint currRatio = getSafetyRatio(_user);\n\n\n\n if (_method == Method.Repay) {\n\n return (currRatio < holder.maxRatio, currRatio);\n\n } else if (_method == Method.Boost) {\n\n return (currRatio > holder.minRatio, currRatio);\n\n }\n\n }\n\n\n\n /// @notice Calculates gas cost (in Eth) of tx\n\n /// @dev Gas price is limited to MAX_GAS_PRICE to prevent attack of draining user CDP\n\n /// @param _gasAmount Amount of gas used for the tx\n\n function calcGasCost(uint _gasAmount) public view returns (uint) {\n\n uint gasPrice = tx.gasprice <= MAX_GAS_PRICE ? tx.gasprice : MAX_GAS_PRICE;\n\n\n\n return mul(gasPrice, _gasAmount);\n\n }\n\n\n\n/******************* OWNER ONLY OPERATIONS ********************************/\n\n\n\n /// @notice Allows owner to change gas cost for boost operation, but only up to 3 millions\n\n /// @param _gasCost New gas cost for boost method\n\n function changeBoostGasCost(uint _gasCost) public onlyOwner {\n\n require(_gasCost < 3000000);\n\n\n\n BOOST_GAS_COST = _gasCost;\n\n }\n\n\n\n /// @notice Allows owner to change gas cost for repay operation, but only up to 3 millions\n\n /// @param _gasCost New gas cost for repay method\n\n function changeRepayGasCost(uint _gasCost) public onlyOwner {\n\n require(_gasCost < 3000000);\n\n\n\n REPAY_GAS_COST = _gasCost;\n\n }\n\n\n\n /// @notice Allows owner to change max gas price\n\n /// @param _maxGasPrice New max gas price\n\n function changeMaxGasPrice(uint _maxGasPrice) public onlyOwner {\n\n require(_maxGasPrice < 500000000000);\n\n\n\n MAX_GAS_PRICE = _maxGasPrice;\n\n }\n\n\n\n /// @notice Allows owner to change gas token amount\n\n /// @param _gasTokenAmount New gas token amount\n\n /// @param _repay true if repay gas token, false if boost gas token\n\n function changeGasTokenAmount(uint _gasTokenAmount, bool _repay) public onlyOwner {\n\n if (_repay) {\n\n REPAY_GAS_TOKEN = _gasTokenAmount;\n\n } else {\n\n BOOST_GAS_TOKEN = _gasTokenAmount;\n\n }\n\n }\n\n\n\n \n\n\n\n /// @notice Adds a new bot address which will be able to call repay/boost\n\n /// @param _caller Bot address\n\n function addCaller(address _caller) public onlyOwner {\n\n approvedCallers[_caller] = true;\n\n }\n\n\n\n /// @notice Removes a bot address so it can't call repay/boost\n\n /// @param _caller Bot address\n\n function removeCaller(address _caller) public onlyOwner {\n\n approvedCallers[_caller] = false;\n\n }\n\n}\n\ncontract AaveMonitorProxy is AdminAuth {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n uint public CHANGE_PERIOD;\n\n address public monitor;\n\n address public newMonitor;\n\n address public lastMonitor;\n\n uint public changeRequestedTimestamp;\n\n\n\n mapping(address => bool) public allowed;\n\n\n\n event MonitorChangeInitiated(address oldMonitor, address newMonitor);\n\n event MonitorChangeCanceled();\n\n event MonitorChangeFinished(address monitor);\n\n event MonitorChangeReverted(address monitor);\n\n\n\n // if someone who is allowed become malicious, owner can't be changed\n\n modifier onlyAllowed() {\n\n require(allowed[msg.sender] || msg.sender == owner);\n\n _;\n\n }\n\n\n\n modifier onlyMonitor() {\n\n require (msg.sender == monitor);\n\n _;\n\n }\n\n\n\n constructor(uint _changePeriod) public {\n\n CHANGE_PERIOD = _changePeriod * 1 days;\n\n }\n\n\n\n /// @notice Only monitor contract is able to call execute on users proxy\n\n /// @param _owner Address of cdp owner (users DSProxy address)\n\n /// @param _aaveSaverProxy Address of AaveSaverProxy\n\n /// @param _data Data to send to AaveSaverProxy\n\n function callExecute(address _owner, address _aaveSaverProxy, bytes memory _data) public payable onlyMonitor {\n\n // execute reverts if calling specific method fails\n\n DSProxyInterface(_owner).execute{value: msg.value}(_aaveSaverProxy, _data);\n\n\n\n // return if anything left\n\n if (address(this).balance > 0) {\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n /// @notice Allowed users are able to set Monitor contract without any waiting period first time\n\n /// @param _monitor Address of Monitor contract\n\n function setMonitor(address _monitor) public onlyAllowed {\n\n require(monitor == address(0));\n\n monitor = _monitor;\n\n }\n\n\n\n /// @notice Allowed users are able to start procedure for changing monitor\n\n /// @dev after CHANGE_PERIOD needs to call confirmNewMonitor to actually make a change\n\n /// @param _newMonitor address of new monitor\n\n function changeMonitor(address _newMonitor) public onlyAllowed {\n\n require(changeRequestedTimestamp == 0);\n\n\n\n changeRequestedTimestamp = now;\n\n lastMonitor = monitor;\n\n newMonitor = _newMonitor;\n\n\n\n emit MonitorChangeInitiated(lastMonitor, newMonitor);\n\n }\n\n\n\n /// @notice At any point allowed users are able to cancel monitor change\n\n function cancelMonitorChange() public onlyAllowed {\n\n require(changeRequestedTimestamp > 0);\n\n\n\n changeRequestedTimestamp = 0;\n\n newMonitor = address(0);\n\n\n\n emit MonitorChangeCanceled();\n\n }\n\n\n\n /// @notice Anyone is able to confirm new monitor after CHANGE_PERIOD if process is started\n\n function confirmNewMonitor() public onlyAllowed {\n\n require((changeRequestedTimestamp + CHANGE_PERIOD) < now);\n\n require(changeRequestedTimestamp != 0);\n\n require(newMonitor != address(0));\n\n\n\n monitor = newMonitor;\n\n newMonitor = address(0);\n\n changeRequestedTimestamp = 0;\n\n\n\n emit MonitorChangeFinished(monitor);\n\n }\n\n\n\n /// @notice Its possible to revert monitor to last used monitor\n\n function revertMonitor() public onlyAllowed {\n\n require(lastMonitor != address(0));\n\n\n\n monitor = lastMonitor;\n\n\n\n emit MonitorChangeReverted(monitor);\n\n }\n\n\n\n\n\n /// @notice Allowed users are able to add new allowed user\n\n /// @param _user Address of user that will be allowed\n\n function addAllowed(address _user) public onlyAllowed {\n\n allowed[_user] = true;\n\n }\n\n\n\n /// @notice Allowed users are able to remove allowed user\n\n /// @dev owner is always allowed even if someone tries to remove it from allowed mapping\n\n /// @param _user Address of allowed user\n\n function removeAllowed(address _user) public onlyAllowed {\n\n allowed[_user] = false;\n\n }\n\n\n\n function setChangePeriod(uint _periodInDays) public onlyAllowed {\n\n require(_periodInDays * 1 days > CHANGE_PERIOD);\n\n\n\n CHANGE_PERIOD = _periodInDays * 1 days;\n\n }\n\n\n\n /// @notice In case something is left in contract, owner is able to withdraw it\n\n /// @param _token address of token to withdraw balance\n\n function withdrawToken(address _token) public onlyOwner {\n\n uint balance = ERC20(_token).balanceOf(address(this));\n\n ERC20(_token).safeTransfer(msg.sender, balance);\n\n }\n\n\n\n /// @notice In case something is left in contract, owner is able to withdraw it\n\n function withdrawEth() public onlyOwner {\n\n uint balance = address(this).balance;\n\n msg.sender.transfer(balance);\n\n }\n\n}\n\ncontract AaveSubscriptions is AdminAuth {\n\n\n\n struct AaveHolder {\n\n address user;\n\n uint128 minRatio;\n\n uint128 maxRatio;\n\n uint128 optimalRatioBoost;\n\n uint128 optimalRatioRepay;\n\n bool boostEnabled;\n\n }\n\n\n\n struct SubPosition {\n\n uint arrPos;\n\n bool subscribed;\n\n }\n\n\n\n AaveHolder[] public subscribers;\n\n mapping (address => SubPosition) public subscribersPos;\n\n\n\n uint public changeIndex;\n\n\n\n event Subscribed(address indexed user);\n\n event Unsubscribed(address indexed user);\n\n event Updated(address indexed user);\n\n event ParamUpdates(address indexed user, uint128, uint128, uint128, uint128, bool);\n\n\n\n /// @dev Called by the DSProxy contract which owns the Aave position\n\n /// @notice Adds the users Aave poistion in the list of subscriptions so it can be monitored\n\n /// @param _minRatio Minimum ratio below which repay is triggered\n\n /// @param _maxRatio Maximum ratio after which boost is triggered\n\n /// @param _optimalBoost Ratio amount which boost should target\n\n /// @param _optimalRepay Ratio amount which repay should target\n\n /// @param _boostEnabled Boolean determing if boost is enabled\n\n function subscribe(uint128 _minRatio, uint128 _maxRatio, uint128 _optimalBoost, uint128 _optimalRepay, bool _boostEnabled) external {\n\n\n\n // if boost is not enabled, set max ratio to max uint\n\n uint128 localMaxRatio = _boostEnabled ? _maxRatio : uint128(-1);\n\n require(checkParams(_minRatio, localMaxRatio), \"Must be correct params\");\n\n\n\n SubPosition storage subInfo = subscribersPos[msg.sender];\n\n\n\n AaveHolder memory subscription = AaveHolder({\n\n minRatio: _minRatio,\n\n maxRatio: localMaxRatio,\n\n optimalRatioBoost: _optimalBoost,\n\n optimalRatioRepay: _optimalRepay,\n\n user: msg.sender,\n\n boostEnabled: _boostEnabled\n\n });\n\n\n\n changeIndex++;\n\n\n\n if (subInfo.subscribed) {\n\n subscribers[subInfo.arrPos] = subscription;\n\n\n\n emit Updated(msg.sender);\n\n emit ParamUpdates(msg.sender, _minRatio, localMaxRatio, _optimalBoost, _optimalRepay, _boostEnabled);\n\n } else {\n\n subscribers.push(subscription);\n\n\n\n subInfo.arrPos = subscribers.length - 1;\n\n subInfo.subscribed = true;\n\n\n\n emit Subscribed(msg.sender);\n\n }\n\n }\n\n\n\n /// @notice Called by the users DSProxy\n\n /// @dev Owner who subscribed cancels his subscription\n\n function unsubscribe() external {\n\n _unsubscribe(msg.sender);\n\n }\n\n\n\n /// @dev Checks limit if minRatio is bigger than max\n\n /// @param _minRatio Minimum ratio, bellow which repay can be triggered\n\n /// @param _maxRatio Maximum ratio, over which boost can be triggered\n\n /// @return Returns bool if the params are correct\n\n function checkParams(uint128 _minRatio, uint128 _maxRatio) internal pure returns (bool) {\n\n\n\n if (_minRatio > _maxRatio) {\n\n return false;\n\n }\n\n\n\n return true;\n\n }\n\n\n\n /// @dev Internal method to remove a subscriber from the list\n\n /// @param _user The actual address that owns the Aave position\n\n function _unsubscribe(address _user) internal {\n\n require(subscribers.length > 0, \"Must have subscribers in the list\");\n\n\n\n SubPosition storage subInfo = subscribersPos[_user];\n\n\n\n require(subInfo.subscribed, \"Must first be subscribed\");\n\n\n\n address lastOwner = subscribers[subscribers.length - 1].user;\n\n\n\n SubPosition storage subInfo2 = subscribersPos[lastOwner];\n\n subInfo2.arrPos = subInfo.arrPos;\n\n\n\n subscribers[subInfo.arrPos] = subscribers[subscribers.length - 1];\n\n subscribers.pop(); // remove last element and reduce arr length\n\n\n\n changeIndex++;\n\n subInfo.subscribed = false;\n\n subInfo.arrPos = 0;\n\n\n\n emit Unsubscribed(msg.sender);\n\n }\n\n\n\n /// @dev Checks if the user is subscribed\n\n /// @param _user The actual address that owns the Aave position\n\n /// @return If the user is subscribed\n\n function isSubscribed(address _user) public view returns (bool) {\n\n SubPosition storage subInfo = subscribersPos[_user];\n\n\n\n return subInfo.subscribed;\n\n }\n\n\n\n /// @dev Returns subscribtion information about a user\n\n /// @param _user The actual address that owns the Aave position\n\n /// @return Subscription information about the user if exists\n\n function getHolder(address _user) public view returns (AaveHolder memory) {\n\n SubPosition storage subInfo = subscribersPos[_user];\n\n\n\n return subscribers[subInfo.arrPos];\n\n }\n\n\n\n /// @notice Helper method to return all the subscribed CDPs\n\n /// @return List of all subscribers\n\n function getSubscribers() public view returns (AaveHolder[] memory) {\n\n return subscribers;\n\n }\n\n\n\n /// @notice Helper method for the frontend, returns all the subscribed CDPs paginated\n\n /// @param _page What page of subscribers you want\n\n /// @param _perPage Number of entries per page\n\n /// @return List of all subscribers for that page\n\n function getSubscribersByPage(uint _page, uint _perPage) public view returns (AaveHolder[] memory) {\n\n AaveHolder[] memory holders = new AaveHolder[](_perPage);\n\n\n\n uint start = _page * _perPage;\n\n uint end = start + _perPage;\n\n\n\n end = (end > holders.length) ? holders.length : end;\n\n\n\n uint count = 0;\n\n for (uint i = start; i < end; i++) {\n\n holders[count] = subscribers[i];\n\n count++;\n\n }\n\n\n\n return holders;\n\n }\n\n\n\n ////////////// ADMIN METHODS ///////////////////\n\n\n\n /// @notice Admin function to unsubscribe a position\n\n /// @param _user The actual address that owns the Aave position\n\n function unsubscribeByAdmin(address _user) public onlyOwner {\n\n SubPosition storage subInfo = subscribersPos[_user];\n\n\n\n if (subInfo.subscribed) {\n\n _unsubscribe(_user);\n\n }\n\n }\n\n}\n\ncontract AaveSubscriptionsProxy is ProxyPermission {\n\n\n\n address public constant AAVE_SUBSCRIPTION_ADDRESS = 0xe08ff7A2BADb634F0b581E675E6B3e583De086FC;\n\n address public constant AAVE_MONITOR_PROXY = 0xfA560Dba3a8D0B197cA9505A2B98120DD89209AC;\n\n\n\n /// @notice Calls subscription contract and creates a DSGuard if non existent\n\n /// @param _minRatio Minimum ratio below which repay is triggered\n\n /// @param _maxRatio Maximum ratio after which boost is triggered\n\n /// @param _optimalRatioBoost Ratio amount which boost should target\n\n /// @param _optimalRatioRepay Ratio amount which repay should target\n\n /// @param _boostEnabled Boolean determing if boost is enabled\n\n function subscribe(\n\n uint128 _minRatio,\n\n uint128 _maxRatio,\n\n uint128 _optimalRatioBoost,\n\n uint128 _optimalRatioRepay,\n\n bool _boostEnabled\n\n ) public {\n\n givePermission(AAVE_MONITOR_PROXY);\n\n IAaveSubscription(AAVE_SUBSCRIPTION_ADDRESS).subscribe(\n\n _minRatio, _maxRatio, _optimalRatioBoost, _optimalRatioRepay, _boostEnabled);\n\n }\n\n\n\n /// @notice Calls subscription contract and updated existing parameters\n\n /// @dev If subscription is non existent this will create one\n\n /// @param _minRatio Minimum ratio below which repay is triggered\n\n /// @param _maxRatio Maximum ratio after which boost is triggered\n\n /// @param _optimalRatioBoost Ratio amount which boost should target\n\n /// @param _optimalRatioRepay Ratio amount which repay should target\n\n /// @param _boostEnabled Boolean determing if boost is enabled\n\n function update(\n\n uint128 _minRatio,\n\n uint128 _maxRatio,\n\n uint128 _optimalRatioBoost,\n\n uint128 _optimalRatioRepay,\n\n bool _boostEnabled\n\n ) public {\n\n IAaveSubscription(AAVE_SUBSCRIPTION_ADDRESS).subscribe(_minRatio, _maxRatio, _optimalRatioBoost, _optimalRatioRepay, _boostEnabled);\n\n }\n\n\n\n /// @notice Calls the subscription contract to unsubscribe the caller\n\n function unsubscribe() public {\n\n removePermission(AAVE_MONITOR_PROXY);\n\n IAaveSubscription(AAVE_SUBSCRIPTION_ADDRESS).unsubscribe();\n\n }\n\n}\n\ncontract AaveImport is AaveHelper, AdminAuth {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n address public constant WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n\n address public constant BASIC_PROXY = 0x9D266997bc73B27d4302E711b55FD78B5278e1De;\n\n address public constant AETH_ADDRESS = 0x3a3A65aAb0dd2A17E3F1947bA16138cd37d08c04;\n\n\n\n function callFunction(\n\n address sender,\n\n Account.Info memory account,\n\n bytes memory data\n\n ) public {\n\n\n\n (\n\n address collateralToken,\n\n address borrowToken,\n\n uint256 ethAmount,\n\n address user,\n\n address proxy\n\n )\n\n = abi.decode(data, (address,address,uint256,address,address));\n\n\n\n // withdraw eth\n\n TokenInterface(WETH_ADDRESS).withdraw(ethAmount);\n\n\n\n address lendingPoolCoreAddress = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n address lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n address aCollateralToken = ILendingPool(lendingPoolCoreAddress).getReserveATokenAddress(collateralToken);\n\n address aBorrowToken = ILendingPool(lendingPoolCoreAddress).getReserveATokenAddress(borrowToken);\n\n\n\n // deposit eth on behalf of proxy\n\n DSProxy(payable(proxy)).execute{value: ethAmount}(BASIC_PROXY, abi.encodeWithSignature(\"deposit(address,uint256)\", ETH_ADDR, ethAmount));\n\n // borrow needed amount to repay users borrow\n\n (,uint256 borrowAmount,,uint256 borrowRateMode,,,uint256 originationFee,,,) = ILendingPool(lendingPool).getUserReserveData(borrowToken, user);\n\n borrowAmount += originationFee;\n\n DSProxy(payable(proxy)).execute(BASIC_PROXY, abi.encodeWithSignature(\"borrow(address,uint256,uint256)\", borrowToken, borrowAmount, borrowRateMode));\n\n // payback on behalf of user\n\n ERC20(borrowToken).safeApprove(proxy, borrowAmount);\n\n DSProxy(payable(proxy)).execute(BASIC_PROXY, abi.encodeWithSignature(\"paybackOnBehalf(address,address,uint256,bool,address)\", borrowToken, aBorrowToken, 0, true, user));\n\n // pull tokens from user to proxy\n\n ERC20(aCollateralToken).safeTransferFrom(user, proxy, ERC20(aCollateralToken).balanceOf(user));\n\n\n\n // enable as collateral\n\n DSProxy(payable(proxy)).execute(BASIC_PROXY, abi.encodeWithSignature(\"setUserUseReserveAsCollateralIfNeeded(address)\", collateralToken));\n\n\n\n // withdraw deposited eth\n\n DSProxy(payable(proxy)).execute(BASIC_PROXY, abi.encodeWithSignature(\"withdraw(address,address,uint256,bool)\", ETH_ADDR, AETH_ADDRESS, ethAmount, false));\n\n\n\n // deposit eth, get weth and return to sender\n\n TokenInterface(WETH_ADDRESS).deposit.value(address(this).balance)();\n\n ERC20(WETH_ADDRESS).safeTransfer(proxy, ethAmount+2);\n\n }\n\n\n\n /// @dev if contract receive eth, convert it to WETH\n\n receive() external payable {\n\n // deposit eth and get weth \n\n if (msg.sender == owner) {\n\n TokenInterface(WETH_ADDRESS).deposit.value(address(this).balance)();\n\n }\n\n }\n\n}\n\ncontract AaveImportTaker is DydxFlashLoanBase, ProxyPermission {\n\n\n\n address public constant WETH_ADDR = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n\n address payable public constant AAVE_IMPORT = 0x44e4EF23b4794699D0625657cADcB96e07820fFe;\n\n address public constant DEFISAVER_LOGGER = 0x5c55B921f590a89C1Ebe84dF170E655a82b62126;\n\n address public constant PROXY_REGISTRY_ADDRESS = 0x4678f0a6958e4D2Bc4F1BAF7Bc52E8F3564f3fE4;\n\n\n\n /// @notice Starts the process to move users position 1 collateral and 1 borrow\n\n /// @dev User must send 2 wei with this transaction\n\n /// @dev User must approve AaveImport to pull _aCollateralToken\n\n /// @param _collateralToken Collateral token we are moving to DSProxy\n\n /// @param _borrowToken Borrow token we are moving to DSProxy\n\n /// @param _ethAmount ETH amount that needs to be pulled from dydx\n\n function importLoan(address _collateralToken, address _borrowToken, uint _ethAmount) public {\n\n ISoloMargin solo = ISoloMargin(SOLO_MARGIN_ADDRESS);\n\n\n\n // Get marketId from token address\n\n uint256 marketId = _getMarketIdFromTokenAddress(WETH_ADDR);\n\n\n\n // Calculate repay amount (_amount + (2 wei))\n\n // Approve transfer from\n\n uint256 repayAmount = _getRepaymentAmountInternal(_ethAmount);\n\n ERC20(WETH_ADDR).approve(SOLO_MARGIN_ADDRESS, repayAmount);\n\n\n\n Actions.ActionArgs[] memory operations = new Actions.ActionArgs[](3);\n\n\n\n operations[0] = _getWithdrawAction(marketId, _ethAmount, AAVE_IMPORT);\n\n operations[1] = _getCallAction(\n\n abi.encode(_collateralToken, _borrowToken, _ethAmount, msg.sender, address(this)),\n\n AAVE_IMPORT\n\n );\n\n operations[2] = _getDepositAction(marketId, repayAmount, address(this));\n\n\n\n Account.Info[] memory accountInfos = new Account.Info[](1);\n\n accountInfos[0] = _getAccountInfo();\n\n\n\n givePermission(AAVE_IMPORT);\n\n solo.operate(accountInfos, operations);\n\n removePermission(AAVE_IMPORT);\n\n\n\n DefisaverLogger(DEFISAVER_LOGGER).Log(address(this), msg.sender, \"AaveImport\", abi.encode(_collateralToken, _borrowToken));\n\n }\n\n}\n\ncontract CompoundBasicProxy is GasBurner {\n\n\n\n address public constant ETH_ADDR = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n address public constant COMPTROLLER_ADDR = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n /// @notice User deposits tokens to the Compound protocol\n\n /// @dev User needs to approve the DSProxy to pull the _tokenAddr tokens\n\n /// @param _tokenAddr The address of the token to be deposited\n\n /// @param _cTokenAddr CTokens to be deposited\n\n /// @param _amount Amount of tokens to be deposited\n\n /// @param _inMarket True if the token is already in market for that address\n\n function deposit(address _tokenAddr, address _cTokenAddr, uint _amount, bool _inMarket) public burnGas(5) payable {\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransferFrom(msg.sender, address(this), _amount);\n\n }\n\n\n\n approveToken(_tokenAddr, _cTokenAddr);\n\n\n\n if (!_inMarket) {\n\n enterMarket(_cTokenAddr);\n\n }\n\n\n\n if (_tokenAddr != ETH_ADDR) {\n\n require(CTokenInterface(_cTokenAddr).mint(_amount) == 0);\n\n } else {\n\n CEtherInterface(_cTokenAddr).mint{value: msg.value}(); // reverts on fail\n\n }\n\n }\n\n\n\n /// @notice User withdraws tokens to the Compound protocol\n\n /// @param _tokenAddr The address of the token to be withdrawn\n\n /// @param _cTokenAddr CTokens to be withdrawn\n\n /// @param _amount Amount of tokens to be withdrawn\n\n /// @param _isCAmount If true _amount is cTokens if falls _amount is underlying tokens\n\n function withdraw(address _tokenAddr, address _cTokenAddr, uint _amount, bool _isCAmount) public burnGas(5) {\n\n\n\n if (_isCAmount) {\n\n require(CTokenInterface(_cTokenAddr).redeem(_amount) == 0);\n\n } else {\n\n require(CTokenInterface(_cTokenAddr).redeemUnderlying(_amount) == 0);\n\n }\n\n\n\n // withdraw funds to msg.sender\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransfer(msg.sender, ERC20(_tokenAddr).balanceOf(address(this)));\n\n } else {\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n\n\n }\n\n\n\n /// @notice User borrows tokens to the Compound protocol\n\n /// @param _tokenAddr The address of the token to be borrowed\n\n /// @param _cTokenAddr CTokens to be borrowed\n\n /// @param _amount Amount of tokens to be borrowed\n\n /// @param _inMarket True if the token is already in market for that address\n\n function borrow(address _tokenAddr, address _cTokenAddr, uint _amount, bool _inMarket) public burnGas(8) {\n\n if (!_inMarket) {\n\n enterMarket(_cTokenAddr);\n\n }\n\n\n\n require(CTokenInterface(_cTokenAddr).borrow(_amount) == 0);\n\n\n\n // withdraw funds to msg.sender\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransfer(msg.sender, ERC20(_tokenAddr).balanceOf(address(this)));\n\n } else {\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n /// @dev User needs to approve the DSProxy to pull the _tokenAddr tokens\n\n /// @notice User paybacks tokens to the Compound protocol\n\n /// @param _tokenAddr The address of the token to be paybacked\n\n /// @param _cTokenAddr CTokens to be paybacked\n\n /// @param _amount Amount of tokens to be payedback\n\n /// @param _wholeDebt If true the _amount will be set to the whole amount of the debt\n\n function payback(address _tokenAddr, address _cTokenAddr, uint _amount, bool _wholeDebt) public burnGas(5) payable {\n\n approveToken(_tokenAddr, _cTokenAddr);\n\n\n\n if (_wholeDebt) {\n\n _amount = CTokenInterface(_cTokenAddr).borrowBalanceCurrent(address(this));\n\n }\n\n\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransferFrom(msg.sender, address(this), _amount);\n\n\n\n require(CTokenInterface(_cTokenAddr).repayBorrow(_amount) == 0);\n\n } else {\n\n CEtherInterface(_cTokenAddr).repayBorrow{value: msg.value}();\n\n msg.sender.transfer(address(this).balance); // send back the extra eth\n\n }\n\n }\n\n\n\n /// @notice Helper method to withdraw tokens from the DSProxy\n\n /// @param _tokenAddr Address of the token to be withdrawn\n\n function withdrawTokens(address _tokenAddr) public {\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeTransfer(msg.sender, ERC20(_tokenAddr).balanceOf(address(this)));\n\n } else {\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n /// @notice Enters the Compound market so it can be deposited/borrowed\n\n /// @param _cTokenAddr CToken address of the token\n\n function enterMarket(address _cTokenAddr) public {\n\n address[] memory markets = new address[](1);\n\n markets[0] = _cTokenAddr;\n\n\n\n ComptrollerInterface(COMPTROLLER_ADDR).enterMarkets(markets);\n\n }\n\n\n\n /// @notice Exits the Compound market so it can't be deposited/borrowed\n\n /// @param _cTokenAddr CToken address of the token\n\n function exitMarket(address _cTokenAddr) public {\n\n ComptrollerInterface(COMPTROLLER_ADDR).exitMarket(_cTokenAddr);\n\n }\n\n\n\n /// @notice Approves CToken contract to pull underlying tokens from the DSProxy\n\n /// @param _tokenAddr Token we are trying to approve\n\n /// @param _cTokenAddr Address which will gain the approval\n\n function approveToken(address _tokenAddr, address _cTokenAddr) internal {\n\n if (_tokenAddr != ETH_ADDR) {\n\n ERC20(_tokenAddr).safeApprove(_cTokenAddr, 0);\n\n ERC20(_tokenAddr).safeApprove(_cTokenAddr, uint(-1));\n\n }\n\n }\n\n}\n\ncontract CompoundSafetyRatio is Exponential, DSMath {\n\n // solhint-disable-next-line const-name-snakecase\n\n ComptrollerInterface public constant comp = ComptrollerInterface(0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B);\n\n\n\n /// @notice Calcualted the ratio of debt / adjusted collateral\n\n /// @param _user Address of the user\n\n function getSafetyRatio(address _user) public view returns (uint) {\n\n // For each asset the account is in\n\n address[] memory assets = comp.getAssetsIn(_user);\n\n address oracleAddr = comp.oracle();\n\n\n\n\n\n uint sumCollateral = 0;\n\n uint sumBorrow = 0;\n\n\n\n for (uint i = 0; i < assets.length; i++) {\n\n address asset = assets[i];\n\n\n\n (, uint cTokenBalance, uint borrowBalance, uint exchangeRateMantissa)\n\n = CTokenInterface(asset).getAccountSnapshot(_user);\n\n\n\n Exp memory oraclePrice;\n\n\n\n if (cTokenBalance != 0 || borrowBalance != 0) {\n\n oraclePrice = Exp({mantissa: CompoundOracleInterface(oracleAddr).getUnderlyingPrice(asset)});\n\n }\n\n\n\n // Sum up collateral in Usd\n\n if (cTokenBalance != 0) {\n\n\n\n (, uint collFactorMantissa) = comp.markets(address(asset));\n\n\n\n Exp memory collateralFactor = Exp({mantissa: collFactorMantissa});\n\n Exp memory exchangeRate = Exp({mantissa: exchangeRateMantissa});\n\n\n\n (, Exp memory tokensToUsd) = mulExp3(collateralFactor, exchangeRate, oraclePrice);\n\n\n\n (, sumCollateral) = mulScalarTruncateAddUInt(tokensToUsd, cTokenBalance, sumCollateral);\n\n }\n\n\n\n // Sum up debt in Usd\n\n if (borrowBalance != 0) {\n\n (, sumBorrow) = mulScalarTruncateAddUInt(oraclePrice, borrowBalance, sumBorrow);\n\n }\n\n }\n\n\n\n if (sumBorrow == 0) return uint(-1);\n\n\n\n uint borrowPowerUsed = (sumBorrow * 10**18) / sumCollateral;\n\n return wdiv(1e18, borrowPowerUsed);\n\n }\n\n}\n\ncontract CompoundMonitor is AdminAuth, DSMath, CompoundSafetyRatio, GasBurner {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n enum Method { Boost, Repay }\n\n\n\n uint public REPAY_GAS_TOKEN = 25;\n\n uint public BOOST_GAS_TOKEN = 20;\n\n\n\n uint constant public MAX_GAS_PRICE = 80000000000; // 80 gwei\n\n\n\n uint public REPAY_GAS_COST = 2200000;\n\n uint public BOOST_GAS_COST = 1700000;\n\n\n\n address public constant GAS_TOKEN_INTERFACE_ADDRESS = 0x0000000000b3F879cb30FE243b4Dfee438691c04;\n\n address public constant DEFISAVER_LOGGER = 0x5c55B921f590a89C1Ebe84dF170E655a82b62126;\n\n\n\n CompoundMonitorProxy public compoundMonitorProxy;\n\n CompoundSubscriptions public subscriptionsContract;\n\n address public compoundFlashLoanTakerAddress;\n\n\n\n DefisaverLogger public logger = DefisaverLogger(DEFISAVER_LOGGER);\n\n\n\n /// @dev Addresses that are able to call methods for repay and boost\n\n mapping(address => bool) public approvedCallers;\n\n\n\n modifier onlyApproved() {\n\n require(approvedCallers[msg.sender]);\n\n _;\n\n }\n\n\n\n /// @param _compoundMonitorProxy Proxy contracts that actually is authorized to call DSProxy\n\n /// @param _subscriptions Subscriptions contract for Compound positions\n\n /// @param _compoundFlashLoanTaker Contract that actually performs Repay/Boost\n\n constructor(address _compoundMonitorProxy, address _subscriptions, address _compoundFlashLoanTaker) public {\n\n approvedCallers[msg.sender] = true;\n\n\n\n compoundMonitorProxy = CompoundMonitorProxy(_compoundMonitorProxy);\n\n subscriptionsContract = CompoundSubscriptions(_subscriptions);\n\n compoundFlashLoanTakerAddress = _compoundFlashLoanTaker;\n\n }\n\n\n\n /// @notice Bots call this method to repay for user when conditions are met\n\n /// @dev If the contract ownes gas token it will try and use it for gas price reduction\n\n /// @param _exData Exchange data\n\n /// @param _cAddresses cTokens addreses and exchange [cCollAddress, cBorrowAddress, exchangeAddress]\n\n /// @param _user The actual address that owns the Compound position\n\n function repayFor(\n\n SaverExchangeCore.ExchangeData memory _exData,\n\n address[2] memory _cAddresses, // cCollAddress, cBorrowAddress\n\n address _user\n\n ) public payable onlyApproved burnGas(REPAY_GAS_TOKEN) {\n\n\n\n (bool isAllowed, uint ratioBefore) = canCall(Method.Repay, _user);\n\n require(isAllowed); // check if conditions are met\n\n\n\n uint256 gasCost = calcGasCost(REPAY_GAS_COST);\n\n\n\n compoundMonitorProxy.callExecute{value: msg.value}(\n\n _user,\n\n compoundFlashLoanTakerAddress,\n\n abi.encodeWithSignature(\n\n \"repayWithLoan((address,address,uint256,uint256,uint256,address,address,bytes,uint256),address[2],uint256)\",\n\n _exData,\n\n _cAddresses,\n\n gasCost\n\n )\n\n );\n\n\n\n (bool isGoodRatio, uint ratioAfter) = ratioGoodAfter(Method.Repay, _user);\n\n require(isGoodRatio); // check if the after result of the actions is good\n\n\n\n returnEth();\n\n\n\n logger.Log(address(this), _user, \"AutomaticCompoundRepay\", abi.encode(ratioBefore, ratioAfter));\n\n }\n\n\n\n /// @notice Bots call this method to boost for user when conditions are met\n\n /// @dev If the contract ownes gas token it will try and use it for gas price reduction\n\n /// @param _exData Exchange data\n\n /// @param _cAddresses cTokens addreses and exchange [cCollAddress, cBorrowAddress, exchangeAddress]\n\n /// @param _user The actual address that owns the Compound position\n\n function boostFor(\n\n SaverExchangeCore.ExchangeData memory _exData,\n\n address[2] memory _cAddresses, // cCollAddress, cBorrowAddress\n\n address _user\n\n ) public payable onlyApproved burnGas(BOOST_GAS_TOKEN) {\n\n\n\n (bool isAllowed, uint ratioBefore) = canCall(Method.Boost, _user);\n\n require(isAllowed); // check if conditions are met\n\n\n\n uint256 gasCost = calcGasCost(BOOST_GAS_COST);\n\n\n\n compoundMonitorProxy.callExecute{value: msg.value}(\n\n _user,\n\n compoundFlashLoanTakerAddress,\n\n abi.encodeWithSignature(\n\n \"boostWithLoan((address,address,uint256,uint256,uint256,address,address,bytes,uint256),address[2],uint256)\",\n\n _exData,\n\n _cAddresses,\n\n gasCost\n\n )\n\n );\n\n\n\n\n\n (bool isGoodRatio, uint ratioAfter) = ratioGoodAfter(Method.Boost, _user);\n\n require(isGoodRatio); // check if the after result of the actions is good\n\n\n\n returnEth();\n\n\n\n logger.Log(address(this), _user, \"AutomaticCompoundBoost\", abi.encode(ratioBefore, ratioAfter));\n\n }\n\n\n\n/******************* INTERNAL METHODS ********************************/\n\n function returnEth() internal {\n\n // return if some eth left\n\n if (address(this).balance > 0) {\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n/******************* STATIC METHODS ********************************/\n\n\n\n /// @notice Checks if Boost/Repay could be triggered for the CDP\n\n /// @dev Called by MCDMonitor to enforce the min/max check\n\n /// @param _method Type of action to be called\n\n /// @param _user The actual address that owns the Compound position\n\n /// @return Boolean if it can be called and the ratio\n\n function canCall(Method _method, address _user) public view returns(bool, uint) {\n\n bool subscribed = subscriptionsContract.isSubscribed(_user);\n\n CompoundSubscriptions.CompoundHolder memory holder = subscriptionsContract.getHolder(_user);\n\n\n\n // check if cdp is subscribed\n\n if (!subscribed) return (false, 0);\n\n\n\n // check if boost and boost allowed\n\n if (_method == Method.Boost && !holder.boostEnabled) return (false, 0);\n\n\n\n uint currRatio = getSafetyRatio(_user);\n\n\n\n if (_method == Method.Repay) {\n\n return (currRatio < holder.minRatio, currRatio);\n\n } else if (_method == Method.Boost) {\n\n return (currRatio > holder.maxRatio, currRatio);\n\n }\n\n }\n\n\n\n /// @dev After the Boost/Repay check if the ratio doesn't trigger another call\n\n /// @param _method Type of action to be called\n\n /// @param _user The actual address that owns the Compound position\n\n /// @return Boolean if the recent action preformed correctly and the ratio\n\n function ratioGoodAfter(Method _method, address _user) public view returns(bool, uint) {\n\n CompoundSubscriptions.CompoundHolder memory holder;\n\n\n\n holder= subscriptionsContract.getHolder(_user);\n\n\n\n uint currRatio = getSafetyRatio(_user);\n\n\n\n if (_method == Method.Repay) {\n\n return (currRatio < holder.maxRatio, currRatio);\n\n } else if (_method == Method.Boost) {\n\n return (currRatio > holder.minRatio, currRatio);\n\n }\n\n }\n\n\n\n /// @notice Calculates gas cost (in Eth) of tx\n\n /// @dev Gas price is limited to MAX_GAS_PRICE to prevent attack of draining user CDP\n\n /// @param _gasAmount Amount of gas used for the tx\n\n function calcGasCost(uint _gasAmount) public view returns (uint) {\n\n uint gasPrice = tx.gasprice <= MAX_GAS_PRICE ? tx.gasprice : MAX_GAS_PRICE;\n\n\n\n return mul(gasPrice, _gasAmount);\n\n }\n\n\n\n/******************* OWNER ONLY OPERATIONS ********************************/\n\n\n\n /// @notice Allows owner to change gas cost for boost operation, but only up to 3 millions\n\n /// @param _gasCost New gas cost for boost method\n\n function changeBoostGasCost(uint _gasCost) public onlyOwner {\n\n require(_gasCost < 3000000);\n\n\n\n BOOST_GAS_COST = _gasCost;\n\n }\n\n\n\n /// @notice Allows owner to change gas cost for repay operation, but only up to 3 millions\n\n /// @param _gasCost New gas cost for repay method\n\n function changeRepayGasCost(uint _gasCost) public onlyOwner {\n\n require(_gasCost < 3000000);\n\n\n\n REPAY_GAS_COST = _gasCost;\n\n }\n\n\n\n /// @notice Adds a new bot address which will be able to call repay/boost\n\n /// @param _caller Bot address\n\n function addCaller(address _caller) public onlyOwner {\n\n approvedCallers[_caller] = true;\n\n }\n\n\n\n /// @notice Removes a bot address so it can't call repay/boost\n\n /// @param _caller Bot address\n\n function removeCaller(address _caller) public onlyOwner {\n\n approvedCallers[_caller] = false;\n\n }\n\n\n\n /// @notice If any tokens gets stuck in the contract owner can withdraw it\n\n /// @param _tokenAddress Address of the ERC20 token\n\n /// @param _to Address of the receiver\n\n /// @param _amount The amount to be sent\n\n function transferERC20(address _tokenAddress, address _to, uint _amount) public onlyOwner {\n\n ERC20(_tokenAddress).safeTransfer(_to, _amount);\n\n }\n\n\n\n /// @notice If any Eth gets stuck in the contract owner can withdraw it\n\n /// @param _to Address of the receiver\n\n /// @param _amount The amount to be sent\n\n function transferEth(address payable _to, uint _amount) public onlyOwner {\n\n _to.transfer(_amount);\n\n }\n\n}\n\ncontract CompoundSaverHelper is DSMath, Exponential {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n address payable public constant WALLET_ADDR = 0x322d58b9E75a6918f7e7849AEe0fF09369977e08;\n\n address public constant DISCOUNT_ADDR = 0x1b14E8D511c9A4395425314f849bD737BAF8208F;\n\n\n\n uint public constant SERVICE_FEE = 400; // 0.25% Fee\n\n address public constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n address public constant CETH_ADDRESS = 0x4Ddc2D193948926D02f9B1fE9e1daa0718270ED5;\n\n address public constant COMPTROLLER = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;\n\n\n\n address public constant COMPOUND_LOGGER = 0x3DD0CDf5fFA28C6847B4B276e2fD256046a44bb7;\n\n\n\n /// @notice Helper method to payback the Compound debt\n\n /// @dev If amount is bigger it will repay the whole debt and send the extra to the _user\n\n /// @param _amount Amount of tokens we want to repay\n\n /// @param _cBorrowToken Ctoken address we are repaying\n\n /// @param _borrowToken Token address we are repaying\n\n /// @param _user Owner of the compound position we are paying back\n\n function paybackDebt(uint _amount, address _cBorrowToken, address _borrowToken, address payable _user) internal {\n\n uint wholeDebt = CTokenInterface(_cBorrowToken).borrowBalanceCurrent(address(this));\n\n\n\n if (_amount > wholeDebt) {\n\n if (_borrowToken == ETH_ADDRESS) {\n\n _user.transfer((_amount - wholeDebt));\n\n } else {\n\n ERC20(_borrowToken).safeTransfer(_user, (_amount - wholeDebt));\n\n }\n\n\n\n _amount = wholeDebt;\n\n }\n\n\n\n approveCToken(_borrowToken, _cBorrowToken);\n\n\n\n if (_borrowToken == ETH_ADDRESS) {\n\n CEtherInterface(_cBorrowToken).repayBorrow{value: _amount}();\n\n } else {\n\n require(CTokenInterface(_cBorrowToken).repayBorrow(_amount) == 0);\n\n }\n\n }\n\n\n\n /// @notice Calculates the fee amount\n\n /// @param _amount Amount that is converted\n\n /// @param _user Actuall user addr not DSProxy\n\n /// @param _gasCost Ether amount of gas we are spending for tx\n\n /// @param _cTokenAddr CToken addr. of token we are getting for the fee\n\n /// @return feeAmount The amount we took for the fee\n\n function getFee(uint _amount, address _user, uint _gasCost, address _cTokenAddr) internal returns (uint feeAmount) {\n\n uint fee = SERVICE_FEE;\n\n\n\n address tokenAddr = getUnderlyingAddr(_cTokenAddr);\n\n\n\n if (Discount(DISCOUNT_ADDR).isCustomFeeSet(_user)) {\n\n fee = Discount(DISCOUNT_ADDR).getCustomServiceFee(_user);\n\n }\n\n\n\n feeAmount = (fee == 0) ? 0 : (_amount / fee);\n\n\n\n if (_gasCost != 0) {\n\n address oracle = ComptrollerInterface(COMPTROLLER).oracle();\n\n\n\n uint usdTokenPrice = CompoundOracleInterface(oracle).getUnderlyingPrice(_cTokenAddr);\n\n uint ethPrice = CompoundOracleInterface(oracle).getUnderlyingPrice(CETH_ADDRESS);\n\n\n\n uint tokenPriceInEth = wdiv(usdTokenPrice, ethPrice);\n\n\n\n _gasCost = wdiv(_gasCost, tokenPriceInEth);\n\n\n\n feeAmount = add(feeAmount, _gasCost);\n\n }\n\n\n\n // fee can't go over 20% of the whole amount\n\n if (feeAmount > (_amount / 5)) {\n\n feeAmount = _amount / 5;\n\n }\n\n\n\n if (tokenAddr == ETH_ADDRESS) {\n\n WALLET_ADDR.transfer(feeAmount);\n\n } else {\n\n ERC20(tokenAddr).safeTransfer(WALLET_ADDR, feeAmount);\n\n }\n\n }\n\n\n\n /// @notice Calculates the gas cost of transaction and send it to wallet\n\n /// @param _amount Amount that is converted\n\n /// @param _gasCost Ether amount of gas we are spending for tx\n\n /// @param _cTokenAddr CToken addr. of token we are getting for the fee\n\n /// @return feeAmount The amount we took for the fee\n\n function getGasCost(uint _amount, uint _gasCost, address _cTokenAddr) internal returns (uint feeAmount) {\n\n address tokenAddr = getUnderlyingAddr(_cTokenAddr);\n\n\n\n if (_gasCost != 0) {\n\n address oracle = ComptrollerInterface(COMPTROLLER).oracle();\n\n\n\n uint usdTokenPrice = CompoundOracleInterface(oracle).getUnderlyingPrice(_cTokenAddr);\n\n uint ethPrice = CompoundOracleInterface(oracle).getUnderlyingPrice(CETH_ADDRESS);\n\n\n\n uint tokenPriceInEth = wdiv(usdTokenPrice, ethPrice);\n\n\n\n feeAmount = wdiv(_gasCost, tokenPriceInEth);\n\n }\n\n\n\n // fee can't go over 20% of the whole amount\n\n if (feeAmount > (_amount / 5)) {\n\n feeAmount = _amount / 5;\n\n }\n\n\n\n if (tokenAddr == ETH_ADDRESS) {\n\n WALLET_ADDR.transfer(feeAmount);\n\n } else {\n\n ERC20(tokenAddr).safeTransfer(WALLET_ADDR, feeAmount);\n\n }\n\n }\n\n\n\n /// @notice Enters the market for the collatera and borrow tokens\n\n /// @param _cTokenAddrColl Collateral address we are entering the market in\n\n /// @param _cTokenAddrBorrow Borrow address we are entering the market in\n\n function enterMarket(address _cTokenAddrColl, address _cTokenAddrBorrow) internal {\n\n address[] memory markets = new address[](2);\n\n markets[0] = _cTokenAddrColl;\n\n markets[1] = _cTokenAddrBorrow;\n\n\n\n ComptrollerInterface(COMPTROLLER).enterMarkets(markets);\n\n }\n\n\n\n /// @notice Approves CToken contract to pull underlying tokens from the DSProxy\n\n /// @param _tokenAddr Token we are trying to approve\n\n /// @param _cTokenAddr Address which will gain the approval\n\n function approveCToken(address _tokenAddr, address _cTokenAddr) internal {\n\n if (_tokenAddr != ETH_ADDRESS) {\n\n ERC20(_tokenAddr).safeApprove(_cTokenAddr, uint(-1));\n\n }\n\n }\n\n\n\n /// @notice Returns the underlying address of the cToken asset\n\n /// @param _cTokenAddress cToken address\n\n /// @return Token address of the cToken specified\n\n function getUnderlyingAddr(address _cTokenAddress) internal returns (address) {\n\n if (_cTokenAddress == CETH_ADDRESS) {\n\n return ETH_ADDRESS;\n\n } else {\n\n return CTokenInterface(_cTokenAddress).underlying();\n\n }\n\n }\n\n\n\n /// @notice Returns the owner of the DSProxy that called the contract\n\n function getUserAddress() internal view returns (address) {\n\n DSProxy proxy = DSProxy(uint160(address(this)));\n\n\n\n return proxy.owner();\n\n }\n\n\n\n /// @notice Returns the maximum amount of collateral available to withdraw\n\n /// @dev Due to rounding errors the result is - 1% wei from the exact amount\n\n /// @param _cCollAddress Collateral we are getting the max value of\n\n /// @param _account Users account\n\n /// @return Returns the max. collateral amount in that token\n\n function getMaxCollateral(address _cCollAddress, address _account) public returns (uint) {\n\n (, uint liquidityInUsd, ) = ComptrollerInterface(COMPTROLLER).getAccountLiquidity(_account);\n\n uint usersBalance = CTokenInterface(_cCollAddress).balanceOfUnderlying(_account);\n\n address oracle = ComptrollerInterface(COMPTROLLER).oracle();\n\n\n\n if (liquidityInUsd == 0) return usersBalance;\n\n\n\n CTokenInterface(_cCollAddress).accrueInterest();\n\n\n\n (, uint collFactorMantissa) = ComptrollerInterface(COMPTROLLER).markets(_cCollAddress);\n\n Exp memory collateralFactor = Exp({mantissa: collFactorMantissa});\n\n\n\n (, uint tokensToUsd) = divScalarByExpTruncate(liquidityInUsd, collateralFactor);\n\n\n\n uint usdPrice = CompoundOracleInterface(oracle).getUnderlyingPrice(_cCollAddress);\n\n uint liqInToken = wdiv(tokensToUsd, usdPrice);\n\n\n\n if (liqInToken > usersBalance) return usersBalance;\n\n\n\n return sub(liqInToken, (liqInToken / 100)); // cut off 1% due to rounding issues\n\n }\n\n\n\n /// @notice Returns the maximum amount of borrow amount available\n\n /// @dev Due to rounding errors the result is - 1% wei from the exact amount\n\n /// @param _cBorrowAddress Borrow token we are getting the max value of\n\n /// @param _account Users account\n\n /// @return Returns the max. borrow amount in that token\n\n function getMaxBorrow(address _cBorrowAddress, address _account) public returns (uint) {\n\n (, uint liquidityInUsd, ) = ComptrollerInterface(COMPTROLLER).getAccountLiquidity(_account);\n\n address oracle = ComptrollerInterface(COMPTROLLER).oracle();\n\n\n\n CTokenInterface(_cBorrowAddress).accrueInterest();\n\n\n\n uint usdPrice = CompoundOracleInterface(oracle).getUnderlyingPrice(_cBorrowAddress);\n\n uint liquidityInToken = wdiv(liquidityInUsd, usdPrice);\n\n\n\n return sub(liquidityInToken, (liquidityInToken / 100)); // cut off 1% due to rounding issues\n\n }\n\n}\n\ncontract CompoundImportFlashLoan is FlashLoanReceiverBase {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n ILendingPoolAddressesProvider public LENDING_POOL_ADDRESS_PROVIDER = ILendingPoolAddressesProvider(0x24a42fD28C976A61Df5D00D0599C34c4f90748c8);\n\n\n\n address public constant COMPOUND_BORROW_PROXY = 0xb7EDC39bE76107e2Cc645f0f6a3D164f5e173Ee2;\n\n\n\n address public owner;\n\n\n\n constructor()\n\n FlashLoanReceiverBase(LENDING_POOL_ADDRESS_PROVIDER)\n\n public {\n\n owner = msg.sender;\n\n }\n\n\n\n /// @notice Called by Aave when sending back the FL amount\n\n /// @param _reserve The address of the borrowed token\n\n /// @param _amount Amount of FL tokens received\n\n /// @param _fee FL Aave fee\n\n /// @param _params The params that are sent from the original FL caller contract\n\n function executeOperation(\n\n address _reserve,\n\n uint256 _amount,\n\n uint256 _fee,\n\n bytes calldata _params)\n\n external override {\n\n\n\n (\n\n address cCollateralToken,\n\n address cBorrowToken,\n\n address user,\n\n address proxy\n\n )\n\n = abi.decode(_params, (address,address,address,address));\n\n\n\n // approve FL tokens so we can repay them\n\n ERC20(_reserve).safeApprove(cBorrowToken, uint(-1));\n\n\n\n // repay compound debt\n\n require(CTokenInterface(cBorrowToken).repayBorrowBehalf(user, uint(-1)) == 0, \"Repay borrow behalf fail\");\n\n\n\n // transfer cTokens to proxy\n\n uint cTokenBalance = CTokenInterface(cCollateralToken).balanceOf(user);\n\n require(CTokenInterface(cCollateralToken).transferFrom(user, proxy, cTokenBalance));\n\n\n\n // borrow\n\n bytes memory proxyData = getProxyData(cCollateralToken, cBorrowToken, _reserve, (_amount + _fee));\n\n DSProxyInterface(proxy).execute(COMPOUND_BORROW_PROXY, proxyData);\n\n\n\n // Repay the loan with the money DSProxy sent back\n\n transferFundsBackToPoolInternal(_reserve, _amount.add(_fee));\n\n }\n\n\n\n /// @notice Formats function data call so we can call it through DSProxy\n\n /// @param _cCollToken CToken address of collateral\n\n /// @param _cBorrowToken CToken address we will borrow\n\n /// @param _borrowToken Token address we will borrow\n\n /// @param _amount Amount that will be borrowed\n\n /// @return proxyData Formated function call data\n\n function getProxyData(address _cCollToken, address _cBorrowToken, address _borrowToken, uint _amount) internal pure returns (bytes memory proxyData) {\n\n proxyData = abi.encodeWithSignature(\n\n \"borrow(address,address,address,uint256)\",\n\n _cCollToken, _cBorrowToken, _borrowToken, _amount);\n\n }\n\n\n\n function withdrawStuckFunds(address _tokenAddr, uint _amount) public {\n\n require(owner == msg.sender, \"Must be owner\");\n\n\n\n if (_tokenAddr == 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE) {\n\n msg.sender.transfer(_amount);\n\n } else {\n\n ERC20(_tokenAddr).safeTransfer(owner, _amount);\n\n }\n\n }\n\n}\n\ncontract CompoundImportTaker is CompoundSaverHelper, ProxyPermission, GasBurner {\n\n\n\n ILendingPool public constant lendingPool = ILendingPool(0x398eC7346DcD622eDc5ae82352F02bE94C62d119);\n\n\n\n address payable public constant COMPOUND_IMPORT_FLASH_LOAN = 0x0a9238e14d5A20CDb03811B12D1984587C3CE9a0;\n\n address public constant PROXY_REGISTRY_ADDRESS = 0x4678f0a6958e4D2Bc4F1BAF7Bc52E8F3564f3fE4;\n\n\n\n DefisaverLogger public constant logger = DefisaverLogger(0x5c55B921f590a89C1Ebe84dF170E655a82b62126);\n\n\n\n /// @notice Starts the process to move users position 1 collateral and 1 borrow\n\n /// @dev User must approve COMPOUND_IMPORT_FLASH_LOAN to pull _cCollateralToken\n\n /// @param _cCollateralToken Collateral we are moving to DSProxy\n\n /// @param _cBorrowToken Borrow token we are moving to DSProxy\n\n function importLoan(address _cCollateralToken, address _cBorrowToken) external burnGas(20) {\n\n address proxy = getProxy();\n\n\n\n uint loanAmount = CTokenInterface(_cBorrowToken).borrowBalanceCurrent(msg.sender);\n\n bytes memory paramsData = abi.encode(_cCollateralToken, _cBorrowToken, msg.sender, proxy);\n\n\n\n givePermission(COMPOUND_IMPORT_FLASH_LOAN);\n\n\n\n lendingPool.flashLoan(COMPOUND_IMPORT_FLASH_LOAN, getUnderlyingAddr(_cBorrowToken), loanAmount, paramsData);\n\n\n\n removePermission(COMPOUND_IMPORT_FLASH_LOAN);\n\n\n\n logger.Log(address(this), msg.sender, \"CompoundImport\", abi.encode(loanAmount, 0, _cCollateralToken));\n\n }\n\n\n\n /// @notice Gets proxy address, if user doesn't has DSProxy build it\n\n /// @return proxy DsProxy address\n\n function getProxy() internal returns (address proxy) {\n\n proxy = ProxyRegistryInterface(PROXY_REGISTRY_ADDRESS).proxies(msg.sender);\n\n\n\n if (proxy == address(0)) {\n\n proxy = ProxyRegistryInterface(PROXY_REGISTRY_ADDRESS).build(msg.sender);\n\n }\n\n\n\n }\n\n}\n\ncontract SaverExchangeCore is SaverExchangeHelper, DSMath {\n\n\n\n // first is empty to keep the legacy order in place\n\n enum ExchangeType { _, OASIS, KYBER, UNISWAP, ZEROX }\n\n\n\n enum ActionType { SELL, BUY }\n\n\n\n struct ExchangeData {\n\n address srcAddr;\n\n address destAddr;\n\n uint srcAmount;\n\n uint destAmount;\n\n uint minPrice;\n\n address wrapper;\n\n address exchangeAddr;\n\n bytes callData;\n\n uint256 price0x;\n\n }\n\n\n\n /// @notice Internal method that preforms a sell on 0x/on-chain\n\n /// @dev Usefull for other DFS contract to integrate for exchanging\n\n /// @param exData Exchange data struct\n\n /// @return (address, uint) Address of the wrapper used and destAmount\n\n function _sell(ExchangeData memory exData) internal returns (address, uint) {\n\n\n\n address wrapper;\n\n uint swapedTokens;\n\n bool success;\n\n uint tokensLeft = exData.srcAmount;\n\n\n\n // if selling eth, convert to weth\n\n if (exData.srcAddr == KYBER_ETH_ADDRESS) {\n\n exData.srcAddr = ethToWethAddr(exData.srcAddr);\n\n TokenInterface(WETH_ADDRESS).deposit.value(exData.srcAmount)();\n\n }\n\n\n\n // Try 0x first and then fallback on specific wrapper\n\n if (exData.price0x > 0) {\n\n approve0xProxy(exData.srcAddr, exData.srcAmount);\n\n\n\n uint ethAmount = exData.srcAddr == WETH_ADDRESS ? msg.value - exData.srcAmount : msg.value;\n\n (success, swapedTokens, tokensLeft) = takeOrder(exData, ethAmount, ActionType.SELL);\n\n\n\n if (success) {\n\n wrapper = exData.exchangeAddr;\n\n }\n\n }\n\n\n\n // fallback to desired wrapper if 0x failed\n\n if (!success) {\n\n swapedTokens = saverSwap(exData, ActionType.SELL);\n\n wrapper = exData.wrapper;\n\n }\n\n\n\n require(getBalance(exData.destAddr) >= wmul(exData.minPrice, exData.srcAmount), \"Final amount isn't correct\");\n\n\n\n // if anything is left in weth, pull it to user as eth\n\n if (getBalance(WETH_ADDRESS) > 0) {\n\n TokenInterface(WETH_ADDRESS).withdraw(\n\n TokenInterface(WETH_ADDRESS).balanceOf(address(this))\n\n );\n\n }\n\n\n\n return (wrapper, swapedTokens);\n\n }\n\n\n\n /// @notice Internal method that preforms a buy on 0x/on-chain\n\n /// @dev Usefull for other DFS contract to integrate for exchanging\n\n /// @param exData Exchange data struct\n\n /// @return (address, uint) Address of the wrapper used and srcAmount\n\n function _buy(ExchangeData memory exData) internal returns (address, uint) {\n\n\n\n address wrapper;\n\n uint swapedTokens;\n\n bool success;\n\n\n\n require(exData.destAmount != 0, \"Dest amount must be specified\");\n\n\n\n // if selling eth, convert to weth\n\n if (exData.srcAddr == KYBER_ETH_ADDRESS) {\n\n exData.srcAddr = ethToWethAddr(exData.srcAddr);\n\n TokenInterface(WETH_ADDRESS).deposit.value(exData.srcAmount)();\n\n }\n\n\n\n if (exData.price0x > 0) {\n\n approve0xProxy(exData.srcAddr, exData.srcAmount);\n\n\n\n uint ethAmount = exData.srcAddr == WETH_ADDRESS ? msg.value - exData.srcAmount : msg.value;\n\n (success, swapedTokens,) = takeOrder(exData, ethAmount, ActionType.BUY);\n\n\n\n if (success) {\n\n wrapper = exData.exchangeAddr;\n\n }\n\n }\n\n\n\n // fallback to desired wrapper if 0x failed\n\n if (!success) {\n\n swapedTokens = saverSwap(exData, ActionType.BUY);\n\n wrapper = exData.wrapper;\n\n }\n\n\n\n require(getBalance(exData.destAddr) >= exData.destAmount, \"Final amount isn't correct\");\n\n\n\n // if anything is left in weth, pull it to user as eth\n\n if (getBalance(WETH_ADDRESS) > 0) {\n\n TokenInterface(WETH_ADDRESS).withdraw(\n\n TokenInterface(WETH_ADDRESS).balanceOf(address(this))\n\n );\n\n }\n\n\n\n return (wrapper, getBalance(exData.destAddr));\n\n }\n\n\n\n /// @notice Takes order from 0x and returns bool indicating if it is successful\n\n /// @param _exData Exchange data\n\n /// @param _ethAmount Ether fee needed for 0x order\n\n function takeOrder(\n\n ExchangeData memory _exData,\n\n uint256 _ethAmount,\n\n ActionType _type\n\n ) private returns (bool success, uint256, uint256) {\n\n\n\n // write in the exact amount we are selling/buing in an order\n\n if (_type == ActionType.SELL) {\n\n writeUint256(_exData.callData, 36, _exData.srcAmount);\n\n } else {\n\n writeUint256(_exData.callData, 36, _exData.destAmount);\n\n }\n\n\n\n if (ZrxAllowlist(ZRX_ALLOWLIST_ADDR).isZrxAddr(_exData.exchangeAddr)) {\n\n (success, ) = _exData.exchangeAddr.call{value: _ethAmount}(_exData.callData);\n\n } else {\n\n success = false;\n\n }\n\n\n\n uint256 tokensSwaped = 0;\n\n uint256 tokensLeft = _exData.srcAmount;\n\n\n\n if (success) {\n\n // check to see if any _src tokens are left over after exchange\n\n tokensLeft = getBalance(_exData.srcAddr);\n\n\n\n // convert weth -> eth if needed\n\n if (_exData.destAddr == KYBER_ETH_ADDRESS) {\n\n TokenInterface(WETH_ADDRESS).withdraw(\n\n TokenInterface(WETH_ADDRESS).balanceOf(address(this))\n\n );\n\n }\n\n\n\n // get the current balance of the swaped tokens\n\n tokensSwaped = getBalance(_exData.destAddr);\n\n }\n\n\n\n return (success, tokensSwaped, tokensLeft);\n\n }\n\n\n\n /// @notice Calls wraper contract for exchage to preform an on-chain swap\n\n /// @param _exData Exchange data struct\n\n /// @param _type Type of action SELL|BUY\n\n /// @return swapedTokens For Sell that the destAmount, for Buy thats the srcAmount\n\n function saverSwap(ExchangeData memory _exData, ActionType _type) internal returns (uint swapedTokens) {\n\n require(SaverExchangeRegistry(SAVER_EXCHANGE_REGISTRY).isWrapper(_exData.wrapper), \"Wrapper is not valid\");\n\n\n\n uint ethValue = 0;\n\n\n\n ERC20(_exData.srcAddr).safeTransfer(_exData.wrapper, _exData.srcAmount);\n\n\n\n if (_type == ActionType.SELL) {\n\n swapedTokens = ExchangeInterfaceV2(_exData.wrapper).\n\n sell{value: ethValue}(_exData.srcAddr, _exData.destAddr, _exData.srcAmount);\n\n } else {\n\n swapedTokens = ExchangeInterfaceV2(_exData.wrapper).\n\n buy{value: ethValue}(_exData.srcAddr, _exData.destAddr, _exData.destAmount);\n\n }\n\n }\n\n\n\n function writeUint256(bytes memory _b, uint256 _index, uint _input) internal pure {\n\n if (_b.length < _index + 32) {\n\n revert(\"Incorrent lengt while writting bytes32\");\n\n }\n\n\n\n bytes32 input = bytes32(_input);\n\n\n\n _index += 32;\n\n\n\n // Read the bytes32 from array memory\n\n assembly {\n\n mstore(add(_b, _index), input)\n\n }\n\n }\n\n\n\n /// @notice Converts Kybers Eth address -> Weth\n\n /// @param _src Input address\n\n function ethToWethAddr(address _src) internal pure returns (address) {\n\n return _src == KYBER_ETH_ADDRESS ? WETH_ADDRESS : _src;\n\n }\n\n\n\n function packExchangeData(ExchangeData memory _exData) public pure returns(bytes memory) {\n\n // splitting in two different bytes and encoding all because of stack too deep in decoding part\n\n\n\n bytes memory part1 = abi.encode(\n\n _exData.srcAddr,\n\n _exData.destAddr,\n\n _exData.srcAmount,\n\n _exData.destAmount\n\n );\n\n\n\n bytes memory part2 = abi.encode(\n\n _exData.minPrice,\n\n _exData.wrapper,\n\n _exData.exchangeAddr,\n\n _exData.callData,\n\n _exData.price0x\n\n );\n\n\n\n\n\n return abi.encode(part1, part2);\n\n }\n\n\n\n function unpackExchangeData(bytes memory _data) public pure returns(ExchangeData memory _exData) {\n\n (\n\n bytes memory part1,\n\n bytes memory part2\n\n ) = abi.decode(_data, (bytes,bytes));\n\n\n\n (\n\n _exData.srcAddr,\n\n _exData.destAddr,\n\n _exData.srcAmount,\n\n _exData.destAmount\n\n ) = abi.decode(part1, (address,address,uint256,uint256));\n\n\n\n (\n\n _exData.minPrice,\n\n _exData.wrapper,\n\n _exData.exchangeAddr,\n\n _exData.callData,\n\n _exData.price0x\n\n )\n\n = abi.decode(part2, (uint256,address,address,bytes,uint256));\n\n }\n\n\n\n // solhint-disable-next-line no-empty-blocks\n\n receive() external virtual payable {}\n\n}\n\ncontract KyberWrapper is DSMath, ExchangeInterfaceV2, AdminAuth {\n\n\n\n address public constant KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n address public constant KYBER_INTERFACE = 0x9AAb3f75489902f3a48495025729a0AF77d4b11e;\n\n address payable public constant WALLET_ID = 0x322d58b9E75a6918f7e7849AEe0fF09369977e08;\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n /// @notice Sells a _srcAmount of tokens at Kyber\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _srcAmount From amount\n\n /// @return uint Destination amount\n\n function sell(address _srcAddr, address _destAddr, uint _srcAmount) external override payable returns (uint) {\n\n ERC20 srcToken = ERC20(_srcAddr);\n\n ERC20 destToken = ERC20(_destAddr);\n\n\n\n KyberNetworkProxyInterface kyberNetworkProxy = KyberNetworkProxyInterface(KYBER_INTERFACE);\n\n\n\n if (_srcAddr != KYBER_ETH_ADDRESS) {\n\n srcToken.safeApprove(address(kyberNetworkProxy), _srcAmount);\n\n }\n\n\n\n uint destAmount = kyberNetworkProxy.trade{value: msg.value}(\n\n srcToken,\n\n _srcAmount,\n\n destToken,\n\n msg.sender,\n\n uint(-1),\n\n 0,\n\n WALLET_ID\n\n );\n\n\n\n return destAmount;\n\n }\n\n\n\n /// @notice Buys a _destAmount of tokens at Kyber\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _destAmount To amount\n\n /// @return uint srcAmount\n\n function buy(address _srcAddr, address _destAddr, uint _destAmount) external override payable returns(uint) {\n\n ERC20 srcToken = ERC20(_srcAddr);\n\n ERC20 destToken = ERC20(_destAddr);\n\n\n\n uint srcAmount = 0;\n\n if (_srcAddr != KYBER_ETH_ADDRESS) {\n\n srcAmount = srcToken.balanceOf(address(this));\n\n } else {\n\n srcAmount = msg.value;\n\n }\n\n\n\n KyberNetworkProxyInterface kyberNetworkProxy = KyberNetworkProxyInterface(KYBER_INTERFACE);\n\n\n\n if (_srcAddr != KYBER_ETH_ADDRESS) {\n\n srcToken.safeApprove(address(kyberNetworkProxy), srcAmount);\n\n }\n\n\n\n uint destAmount = kyberNetworkProxy.trade{value: msg.value}(\n\n srcToken,\n\n srcAmount,\n\n destToken,\n\n msg.sender,\n\n _destAmount,\n\n 0,\n\n WALLET_ID\n\n );\n\n\n\n require(destAmount == _destAmount, \"Wrong dest amount\");\n\n\n\n uint srcAmountAfter = 0;\n\n\n\n if (_srcAddr != KYBER_ETH_ADDRESS) {\n\n srcAmountAfter = srcToken.balanceOf(address(this));\n\n } else {\n\n srcAmountAfter = address(this).balance;\n\n }\n\n\n\n // Send the leftover from the source token back\n\n sendLeftOver(_srcAddr);\n\n\n\n return (srcAmount - srcAmountAfter);\n\n }\n\n\n\n /// @notice Return a rate for which we can sell an amount of tokens\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _srcAmount From amount\n\n /// @return rate Rate\n\n function getSellRate(address _srcAddr, address _destAddr, uint _srcAmount) public override view returns (uint rate) {\n\n (rate, ) = KyberNetworkProxyInterface(KYBER_INTERFACE)\n\n .getExpectedRate(ERC20(_srcAddr), ERC20(_destAddr), _srcAmount);\n\n\n\n // multiply with decimal difference in src token\n\n rate = rate * (10**(18 - getDecimals(_srcAddr)));\n\n // divide with decimal difference in dest token\n\n rate = rate / (10**(18 - getDecimals(_destAddr)));\n\n }\n\n\n\n /// @notice Return a rate for which we can buy an amount of tokens\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _destAmount To amount\n\n /// @return rate Rate\n\n function getBuyRate(address _srcAddr, address _destAddr, uint _destAmount) public override view returns (uint rate) {\n\n uint256 srcRate = getSellRate(_srcAddr, _destAddr, _destAmount);\n\n uint256 srcAmount = wmul(_destAmount, srcRate);\n\n\n\n rate = getSellRate(_destAddr, _srcAddr, srcAmount);\n\n\n\n // increase rate by 3% too account for inaccuracy between sell/buy conversion\n\n rate = rate + (rate / 30);\n\n }\n\n\n\n /// @notice Send any leftover tokens, we use to clear out srcTokens after buy\n\n /// @param _srcAddr Source token address\n\n function sendLeftOver(address _srcAddr) internal {\n\n msg.sender.transfer(address(this).balance);\n\n\n\n if (_srcAddr != KYBER_ETH_ADDRESS) {\n\n ERC20(_srcAddr).safeTransfer(msg.sender, ERC20(_srcAddr).balanceOf(address(this)));\n\n }\n\n }\n\n\n\n receive() payable external {}\n\n\n\n function getDecimals(address _token) internal view returns (uint256) {\n\n if (_token == KYBER_ETH_ADDRESS) return 18;\n\n\n\n return ERC20(_token).decimals();\n\n }\n\n}\n\ncontract OasisTradeWrapper is DSMath, ExchangeInterfaceV2, AdminAuth {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n address public constant OTC_ADDRESS = 0x794e6e91555438aFc3ccF1c5076A74F42133d08D;\n\n address public constant WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n\n address public constant KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n\n\n /// @notice Sells a _srcAmount of tokens at Oasis\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _srcAmount From amount\n\n /// @return uint Destination amount\n\n function sell(address _srcAddr, address _destAddr, uint _srcAmount) external override payable returns (uint) {\n\n address srcAddr = ethToWethAddr(_srcAddr);\n\n address destAddr = ethToWethAddr(_destAddr);\n\n\n\n ERC20(srcAddr).safeApprove(OTC_ADDRESS, _srcAmount);\n\n\n\n uint destAmount = OasisInterface(OTC_ADDRESS).sellAllAmount(srcAddr, _srcAmount, destAddr, 0);\n\n\n\n // convert weth -> eth and send back\n\n if (destAddr == WETH_ADDRESS) {\n\n TokenInterface(WETH_ADDRESS).withdraw(destAmount);\n\n msg.sender.transfer(destAmount);\n\n } else {\n\n ERC20(destAddr).safeTransfer(msg.sender, destAmount);\n\n }\n\n\n\n return destAmount;\n\n }\n\n\n\n /// @notice Buys a _destAmount of tokens at Oasis\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _destAmount To amount\n\n /// @return uint srcAmount\n\n function buy(address _srcAddr, address _destAddr, uint _destAmount) external override payable returns(uint) {\n\n address srcAddr = ethToWethAddr(_srcAddr);\n\n address destAddr = ethToWethAddr(_destAddr);\n\n\n\n ERC20(srcAddr).safeApprove(OTC_ADDRESS, uint(-1));\n\n\n\n uint srcAmount = OasisInterface(OTC_ADDRESS).buyAllAmount(destAddr, _destAmount, srcAddr, uint(-1));\n\n\n\n // convert weth -> eth and send back\n\n if (destAddr == WETH_ADDRESS) {\n\n TokenInterface(WETH_ADDRESS).withdraw(_destAmount);\n\n msg.sender.transfer(_destAmount);\n\n } else {\n\n ERC20(destAddr).safeTransfer(msg.sender, _destAmount);\n\n }\n\n\n\n // Send the leftover from the source token back\n\n sendLeftOver(srcAddr);\n\n\n\n return srcAmount;\n\n }\n\n\n\n /// @notice Return a rate for which we can sell an amount of tokens\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _srcAmount From amount\n\n /// @return uint Rate\n\n function getSellRate(address _srcAddr, address _destAddr, uint _srcAmount) public override view returns (uint) {\n\n address srcAddr = ethToWethAddr(_srcAddr);\n\n address destAddr = ethToWethAddr(_destAddr);\n\n\n\n return wdiv(OasisInterface(OTC_ADDRESS).getBuyAmount(destAddr, srcAddr, _srcAmount), _srcAmount);\n\n }\n\n\n\n\n\n /// @notice Return a rate for which we can buy an amount of tokens\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _destAmount To amount\n\n /// @return uint Rate\n\n function getBuyRate(address _srcAddr, address _destAddr, uint _destAmount) public override view returns (uint) {\n\n address srcAddr = ethToWethAddr(_srcAddr);\n\n address destAddr = ethToWethAddr(_destAddr);\n\n\n\n return wdiv(OasisInterface(OTC_ADDRESS).getPayAmount(srcAddr, destAddr, _destAmount), _destAmount);\n\n }\n\n\n\n /// @notice Send any leftover tokens, we use to clear out srcTokens after buy\n\n /// @param _srcAddr Source token address\n\n function sendLeftOver(address _srcAddr) internal {\n\n msg.sender.transfer(address(this).balance);\n\n\n\n if (_srcAddr != KYBER_ETH_ADDRESS) {\n\n ERC20(_srcAddr).safeTransfer(msg.sender, ERC20(_srcAddr).balanceOf(address(this)));\n\n }\n\n }\n\n\n\n /// @notice Converts Kybers Eth address -> Weth\n\n /// @param _src Input address\n\n function ethToWethAddr(address _src) internal pure returns (address) {\n\n return _src == KYBER_ETH_ADDRESS ? WETH_ADDRESS : _src;\n\n }\n\n\n\n\n\n receive() payable external {}\n\n}\n\ncontract UniswapV2Wrapper is DSMath, ExchangeInterfaceV2, AdminAuth {\n\n\n\n address public constant WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n\n address public constant KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n UniswapRouterInterface public constant router = UniswapRouterInterface(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n /// @notice Sells a _srcAmount of tokens at UniswapV2\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _srcAmount From amount\n\n /// @return uint Destination amount\n\n function sell(address _srcAddr, address _destAddr, uint _srcAmount) external payable override returns (uint) {\n\n _srcAddr = ethToWethAddr(_srcAddr);\n\n _destAddr = ethToWethAddr(_destAddr);\n\n\n\n uint[] memory amounts;\n\n address[] memory path = new address[](2);\n\n path[0] = _srcAddr;\n\n path[1] = _destAddr;\n\n\n\n ERC20(_srcAddr).safeApprove(address(router), _srcAmount);\n\n\n\n // if we are buying ether\n\n if (_destAddr == WETH_ADDRESS) {\n\n amounts = router.swapExactTokensForETH(_srcAmount, 1, path, msg.sender, block.timestamp + 1);\n\n }\n\n // if we are selling token to token\n\n else {\n\n amounts = router.swapExactTokensForTokens(_srcAmount, 1, path, msg.sender, block.timestamp + 1);\n\n }\n\n\n\n return amounts[amounts.length - 1];\n\n }\n\n\n\n /// @notice Buys a _destAmount of tokens at UniswapV2\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _destAmount To amount\n\n /// @return uint srcAmount\n\n function buy(address _srcAddr, address _destAddr, uint _destAmount) external override payable returns(uint) {\n\n\n\n _srcAddr = ethToWethAddr(_srcAddr);\n\n _destAddr = ethToWethAddr(_destAddr);\n\n\n\n uint[] memory amounts;\n\n address[] memory path = new address[](2);\n\n path[0] = _srcAddr;\n\n path[1] = _destAddr;\n\n\n\n ERC20(_srcAddr).safeApprove(address(router), uint(-1));\n\n\n\n\n\n // if we are buying ether\n\n if (_destAddr == WETH_ADDRESS) {\n\n amounts = router.swapTokensForExactETH(_destAmount, uint(-1), path, msg.sender, block.timestamp + 1);\n\n }\n\n // if we are buying token to token\n\n else {\n\n amounts = router.swapTokensForExactTokens(_destAmount, uint(-1), path, msg.sender, block.timestamp + 1);\n\n }\n\n\n\n // Send the leftover from the source token back\n\n sendLeftOver(_srcAddr);\n\n\n\n return amounts[0];\n\n }\n\n\n\n /// @notice Return a rate for which we can sell an amount of tokens\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _srcAmount From amount\n\n /// @return uint Rate\n\n function getSellRate(address _srcAddr, address _destAddr, uint _srcAmount) public override view returns (uint) {\n\n _srcAddr = ethToWethAddr(_srcAddr);\n\n _destAddr = ethToWethAddr(_destAddr);\n\n\n\n address[] memory path = new address[](2);\n\n path[0] = _srcAddr;\n\n path[1] = _destAddr;\n\n\n\n uint[] memory amounts = router.getAmountsOut(_srcAmount, path);\n\n return wdiv(amounts[amounts.length - 1], _srcAmount);\n\n }\n\n\n\n /// @notice Return a rate for which we can buy an amount of tokens\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _destAmount To amount\n\n /// @return uint Rate\n\n function getBuyRate(address _srcAddr, address _destAddr, uint _destAmount) public override view returns (uint) {\n\n _srcAddr = ethToWethAddr(_srcAddr);\n\n _destAddr = ethToWethAddr(_destAddr);\n\n\n\n address[] memory path = new address[](2);\n\n path[0] = _srcAddr;\n\n path[1] = _destAddr;\n\n\n\n uint[] memory amounts = router.getAmountsIn(_destAmount, path);\n\n return wdiv(amounts[0], _destAmount);\n\n }\n\n\n\n /// @notice Send any leftover tokens, we use to clear out srcTokens after buy\n\n /// @param _srcAddr Source token address\n\n function sendLeftOver(address _srcAddr) internal {\n\n msg.sender.transfer(address(this).balance);\n\n\n\n if (_srcAddr != KYBER_ETH_ADDRESS) {\n\n ERC20(_srcAddr).safeTransfer(msg.sender, ERC20(_srcAddr).balanceOf(address(this)));\n\n }\n\n }\n\n\n\n /// @notice Converts Kybers Eth address -> Weth\n\n /// @param _src Input address\n\n function ethToWethAddr(address _src) internal pure returns (address) {\n\n return _src == KYBER_ETH_ADDRESS ? WETH_ADDRESS : _src;\n\n }\n\n\n\n receive() payable external {}\n\n}\n\ncontract UniswapWrapper is DSMath, ExchangeInterfaceV2, AdminAuth {\n\n\n\n address public constant WETH_ADDRESS = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n\n address public constant KYBER_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n address public constant UNISWAP_FACTORY = 0xc0a47dFe034B400B47bDaD5FecDa2621de6c4d95;\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n /// @notice Sells a _srcAmount of tokens at Uniswap\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _srcAmount From amount\n\n /// @return uint Destination amount\n\n function sell(address _srcAddr, address _destAddr, uint _srcAmount) external payable override returns (uint) {\n\n address uniswapExchangeAddr;\n\n uint destAmount;\n\n\n\n _srcAddr = ethToWethAddr(_srcAddr);\n\n _destAddr = ethToWethAddr(_destAddr);\n\n\n\n // if we are buying ether\n\n if (_destAddr == WETH_ADDRESS) {\n\n uniswapExchangeAddr = UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_srcAddr);\n\n\n\n ERC20(_srcAddr).safeApprove(uniswapExchangeAddr, _srcAmount);\n\n\n\n destAmount = UniswapExchangeInterface(uniswapExchangeAddr).\n\n tokenToEthTransferInput(_srcAmount, 1, block.timestamp + 1, msg.sender);\n\n }\n\n // if we are selling token to token\n\n else {\n\n uniswapExchangeAddr = UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_srcAddr);\n\n\n\n ERC20(_srcAddr).safeApprove(uniswapExchangeAddr, _srcAmount);\n\n\n\n destAmount = UniswapExchangeInterface(uniswapExchangeAddr).\n\n tokenToTokenTransferInput(_srcAmount, 1, 1, block.timestamp + 1, msg.sender, _destAddr);\n\n }\n\n\n\n return destAmount;\n\n }\n\n\n\n /// @notice Buys a _destAmount of tokens at Uniswap\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _destAmount To amount\n\n /// @return uint srcAmount\n\n function buy(address _srcAddr, address _destAddr, uint _destAmount) external override payable returns(uint) {\n\n address uniswapExchangeAddr;\n\n uint srcAmount;\n\n\n\n _srcAddr = ethToWethAddr(_srcAddr);\n\n _destAddr = ethToWethAddr(_destAddr);\n\n\n\n // if we are buying ether\n\n if (_destAddr == WETH_ADDRESS) {\n\n uniswapExchangeAddr = UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_srcAddr);\n\n\n\n ERC20(_srcAddr).safeApprove(uniswapExchangeAddr, uint(-1));\n\n\n\n srcAmount = UniswapExchangeInterface(uniswapExchangeAddr).\n\n tokenToEthTransferOutput(_destAmount, uint(-1), block.timestamp + 1, msg.sender);\n\n }\n\n // if we are buying token to token\n\n else {\n\n uniswapExchangeAddr = UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_srcAddr);\n\n\n\n ERC20(_srcAddr).safeApprove(uniswapExchangeAddr, uint(-1));\n\n\n\n srcAmount = UniswapExchangeInterface(uniswapExchangeAddr).\n\n tokenToTokenTransferOutput(_destAmount, uint(-1), uint(-1), block.timestamp + 1, msg.sender, _destAddr);\n\n }\n\n\n\n // Send the leftover from the source token back\n\n sendLeftOver(_srcAddr);\n\n\n\n return srcAmount;\n\n }\n\n\n\n /// @notice Return a rate for which we can sell an amount of tokens\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _srcAmount From amount\n\n /// @return uint Rate\n\n function getSellRate(address _srcAddr, address _destAddr, uint _srcAmount) public override view returns (uint) {\n\n _srcAddr = ethToWethAddr(_srcAddr);\n\n _destAddr = ethToWethAddr(_destAddr);\n\n\n\n if(_srcAddr == WETH_ADDRESS) {\n\n address uniswapTokenAddress = UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_destAddr);\n\n return wdiv(UniswapExchangeInterface(uniswapTokenAddress).getEthToTokenInputPrice(_srcAmount), _srcAmount);\n\n } else if (_destAddr == WETH_ADDRESS) {\n\n address uniswapTokenAddress = UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_srcAddr);\n\n return wdiv(UniswapExchangeInterface(uniswapTokenAddress).getTokenToEthInputPrice(_srcAmount), _srcAmount);\n\n } else {\n\n uint ethBought = UniswapExchangeInterface(UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_srcAddr)).getTokenToEthInputPrice(_srcAmount);\n\n return wdiv(UniswapExchangeInterface(UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_destAddr)).getEthToTokenInputPrice(ethBought), _srcAmount);\n\n }\n\n }\n\n\n\n /// @notice Return a rate for which we can buy an amount of tokens\n\n /// @param _srcAddr From token\n\n /// @param _destAddr To token\n\n /// @param _destAmount To amount\n\n /// @return uint Rate\n\n function getBuyRate(address _srcAddr, address _destAddr, uint _destAmount) public override view returns (uint) {\n\n _srcAddr = ethToWethAddr(_srcAddr);\n\n _destAddr = ethToWethAddr(_destAddr);\n\n\n\n if(_srcAddr == WETH_ADDRESS) {\n\n address uniswapTokenAddress = UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_destAddr);\n\n return wdiv(UniswapExchangeInterface(uniswapTokenAddress).getEthToTokenOutputPrice(_destAmount), _destAmount);\n\n } else if (_destAddr == WETH_ADDRESS) {\n\n address uniswapTokenAddress = UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_srcAddr);\n\n return wdiv(UniswapExchangeInterface(uniswapTokenAddress).getTokenToEthOutputPrice(_destAmount), _destAmount);\n\n } else {\n\n uint ethNeeded = UniswapExchangeInterface(UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_destAddr)).getTokenToEthOutputPrice(_destAmount);\n\n return wdiv(UniswapExchangeInterface(UniswapFactoryInterface(UNISWAP_FACTORY).getExchange(_srcAddr)).getEthToTokenOutputPrice(ethNeeded), _destAmount);\n\n }\n\n }\n\n\n\n /// @notice Send any leftover tokens, we use to clear out srcTokens after buy\n\n /// @param _srcAddr Source token address\n\n function sendLeftOver(address _srcAddr) internal {\n\n msg.sender.transfer(address(this).balance);\n\n\n\n if (_srcAddr != KYBER_ETH_ADDRESS) {\n\n ERC20(_srcAddr).safeTransfer(msg.sender, ERC20(_srcAddr).balanceOf(address(this)));\n\n }\n\n }\n\n\n\n /// @notice Converts Kybers Eth address -> Weth\n\n /// @param _src Input address\n\n function ethToWethAddr(address _src) internal pure returns (address) {\n\n return _src == KYBER_ETH_ADDRESS ? WETH_ADDRESS : _src;\n\n }\n\n\n\n receive() payable external {}\n\n}\n\ncontract DyDxFlashLoanTaker is DydxFlashLoanBase, ProxyPermission {\n\n\n\n address public constant WETH_ADDR = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n\n address public constant DEFISAVER_LOGGER = 0x5c55B921f590a89C1Ebe84dF170E655a82b62126;\n\n\n\n /// @notice Takes flash loan for _receiver\n\n /// @dev Receiver must send back WETH + 2 wei after executing transaction\n\n /// @dev Method is meant to be called from proxy and proxy will give authorization to _receiver\n\n /// @param _receiver Address of funds receiver\n\n /// @param _ethAmount ETH amount that needs to be pulled from dydx \n\n /// @param _encodedData Bytes with packed data\n\n function takeLoan(address _receiver, uint256 _ethAmount, bytes memory _encodedData) public {\n\n ISoloMargin solo = ISoloMargin(SOLO_MARGIN_ADDRESS);\n\n\n\n // Get marketId from token address\n\n uint256 marketId = _getMarketIdFromTokenAddress(WETH_ADDR);\n\n\n\n // Calculate repay amount (_amount + (2 wei))\n\n // Approve transfer from\n\n uint256 repayAmount = _getRepaymentAmountInternal(_ethAmount);\n\n ERC20(WETH_ADDR).approve(SOLO_MARGIN_ADDRESS, repayAmount);\n\n\n\n Actions.ActionArgs[] memory operations = new Actions.ActionArgs[](3);\n\n\n\n operations[0] = _getWithdrawAction(marketId, _ethAmount, _receiver);\n\n operations[1] = _getCallAction(\n\n _encodedData,\n\n _receiver\n\n );\n\n operations[2] = _getDepositAction(marketId, repayAmount, address(this));\n\n\n\n Account.Info[] memory accountInfos = new Account.Info[](1);\n\n accountInfos[0] = _getAccountInfo();\n\n\n\n givePermission(_receiver);\n\n solo.operate(accountInfos, operations);\n\n removePermission(_receiver);\n\n\n\n DefisaverLogger(DEFISAVER_LOGGER).Log(address(this), msg.sender, \"DyDxFlashLoanTaken\", abi.encode(_receiver, _ethAmount, _encodedData));\n\n }\n\n}\n\nabstract contract CTokenInterface is ERC20 {\n\n function mint(uint256 mintAmount) external virtual returns (uint256);\n\n\n\n // function mint() external virtual payable;\n\n\n\n function accrueInterest() public virtual returns (uint);\n\n\n\n function redeem(uint256 redeemTokens) external virtual returns (uint256);\n\n\n\n function redeemUnderlying(uint256 redeemAmount) external virtual returns (uint256);\n\n\n\n function borrow(uint256 borrowAmount) external virtual returns (uint256);\n\n\n\n function repayBorrow(uint256 repayAmount) external virtual returns (uint256);\n\n\n\n function repayBorrow() external virtual payable;\n\n\n\n function repayBorrowBehalf(address borrower, uint256 repayAmount) external virtual returns (uint256);\n\n\n\n function repayBorrowBehalf(address borrower) external virtual payable;\n\n\n\n function liquidateBorrow(address borrower, uint256 repayAmount, address cTokenCollateral)\n\n external virtual\n\n returns (uint256);\n\n\n\n function liquidateBorrow(address borrower, address cTokenCollateral) external virtual payable;\n\n\n\n function exchangeRateCurrent() external virtual returns (uint256);\n\n\n\n function supplyRatePerBlock() external virtual returns (uint256);\n\n\n\n function borrowRatePerBlock() external virtual returns (uint256);\n\n\n\n function totalReserves() external virtual returns (uint256);\n\n\n\n function reserveFactorMantissa() external virtual returns (uint256);\n\n\n\n function borrowBalanceCurrent(address account) external virtual returns (uint256);\n\n\n\n function totalBorrowsCurrent() external virtual returns (uint256);\n\n\n\n function getCash() external virtual returns (uint256);\n\n\n\n function balanceOfUnderlying(address owner) external virtual returns (uint256);\n\n\n\n function underlying() external virtual returns (address);\n\n\n\n function getAccountSnapshot(address account) external virtual view returns (uint, uint, uint, uint);\n\n}\n\nabstract contract ISubscriptionsV2 is StaticV2 {\n\n\n\n function getOwner(uint _cdpId) external view virtual returns(address);\n\n function getSubscribedInfo(uint _cdpId) public view virtual returns(bool, uint128, uint128, uint128, uint128, address, uint coll, uint debt);\n\n function getCdpHolder(uint _cdpId) public view virtual returns (bool subscribed, CdpHolder memory);\n\n}\n\ncontract MCDMonitorV2 is DSMath, AdminAuth, GasBurner, StaticV2 {\n\n\n\n uint public REPAY_GAS_TOKEN = 25;\n\n uint public BOOST_GAS_TOKEN = 25;\n\n\n\n uint public MAX_GAS_PRICE = 200000000000; // 200 gwei\n\n\n\n uint public REPAY_GAS_COST = 2500000;\n\n uint public BOOST_GAS_COST = 2500000;\n\n\n\n MCDMonitorProxyV2 public monitorProxyContract;\n\n ISubscriptionsV2 public subscriptionsContract;\n\n address public mcdSaverTakerAddress;\n\n\n\n Manager public manager = Manager(0x5ef30b9986345249bc32d8928B7ee64DE9435E39);\n\n Vat public vat = Vat(0x35D1b3F3D7966A1DFe207aa4514C12a259A0492B);\n\n Spotter public spotter = Spotter(0x65C79fcB50Ca1594B025960e539eD7A9a6D434A3);\n\n\n\n DefisaverLogger public constant logger = DefisaverLogger(0x5c55B921f590a89C1Ebe84dF170E655a82b62126);\n\n\n\n /// @dev Addresses that are able to call methods for repay and boost\n\n mapping(address => bool) public approvedCallers;\n\n\n\n modifier onlyApproved() {\n\n require(approvedCallers[msg.sender]);\n\n _;\n\n }\n\n\n\n constructor(address _monitorProxy, address _subscriptions, address _mcdSaverTakerAddress) public {\n\n approvedCallers[msg.sender] = true;\n\n\n\n monitorProxyContract = MCDMonitorProxyV2(_monitorProxy);\n\n subscriptionsContract = ISubscriptionsV2(_subscriptions);\n\n mcdSaverTakerAddress = _mcdSaverTakerAddress;\n\n }\n\n\n\n /// @notice Bots call this method to repay for user when conditions are met\n\n /// @dev If the contract ownes gas token it will try and use it for gas price reduction\n\n function repayFor(\n\n uint _cdpId,\n\n uint _nextPrice,\n\n address _joinAddr,\n\n SaverExchangeCore.ExchangeData memory _exchangeData\n\n ) public payable onlyApproved burnGas(REPAY_GAS_TOKEN) {\n\n\n\n (bool isAllowed, uint ratioBefore) = canCall(Method.Repay, _cdpId, _nextPrice);\n\n require(isAllowed);\n\n\n\n uint gasCost = calcGasCost(REPAY_GAS_COST);\n\n \n\n address owner = subscriptionsContract.getOwner(_cdpId);\n\n\n\n monitorProxyContract.callExecute{value: msg.value}(\n\n owner,\n\n mcdSaverTakerAddress,\n\n abi.encodeWithSignature(\n\n \"repayWithLoan(uint256,uint256,address,(address,address,uint256,uint256,uint256,address,address,bytes,uint256))\",\n\n _cdpId, gasCost, _joinAddr, _exchangeData));\n\n\n\n\n\n (bool isGoodRatio, uint ratioAfter) = ratioGoodAfter(Method.Repay, _cdpId, _nextPrice);\n\n require(isGoodRatio);\n\n\n\n returnEth();\n\n\n\n logger.Log(address(this), owner, \"AutomaticMCDRepay\", abi.encode(ratioBefore, ratioAfter));\n\n }\n\n\n\n /// @notice Bots call this method to boost for user when conditions are met\n\n /// @dev If the contract ownes gas token it will try and use it for gas price reduction\n\n function boostFor(\n\n uint _cdpId,\n\n uint _nextPrice,\n\n address _joinAddr,\n\n SaverExchangeCore.ExchangeData memory _exchangeData\n\n ) public payable onlyApproved burnGas(BOOST_GAS_TOKEN) {\n\n\n\n (bool isAllowed, uint ratioBefore) = canCall(Method.Boost, _cdpId, _nextPrice);\n\n require(isAllowed);\n\n\n\n uint gasCost = calcGasCost(BOOST_GAS_COST);\n\n \n\n address owner = subscriptionsContract.getOwner(_cdpId);\n\n\n\n monitorProxyContract.callExecute{value: msg.value}(\n\n owner,\n\n mcdSaverTakerAddress,\n\n abi.encodeWithSignature(\n\n \"boostWithLoan(uint256,uint256,address,(address,address,uint256,uint256,uint256,address,address,bytes,uint256))\",\n\n _cdpId, gasCost, _joinAddr, _exchangeData));\n\n\n\n (bool isGoodRatio, uint ratioAfter) = ratioGoodAfter(Method.Boost, _cdpId, _nextPrice);\n\n require(isGoodRatio);\n\n\n\n returnEth();\n\n\n\n logger.Log(address(this), owner, \"AutomaticMCDBoost\", abi.encode(ratioBefore, ratioAfter));\n\n }\n\n\n\n/******************* INTERNAL METHODS ********************************/\n\n function returnEth() internal {\n\n // return if some eth left\n\n if (address(this).balance > 0) {\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n/******************* STATIC METHODS ********************************/\n\n\n\n /// @notice Returns an address that owns the CDP\n\n /// @param _cdpId Id of the CDP\n\n function getOwner(uint _cdpId) public view returns(address) {\n\n return manager.owns(_cdpId);\n\n }\n\n\n\n /// @notice Gets CDP info (collateral, debt)\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n function getCdpInfo(uint _cdpId, bytes32 _ilk) public view returns (uint, uint) {\n\n address urn = manager.urns(_cdpId);\n\n\n\n (uint collateral, uint debt) = vat.urns(_ilk, urn);\n\n (,uint rate,,,) = vat.ilks(_ilk);\n\n\n\n return (collateral, rmul(debt, rate));\n\n }\n\n\n\n /// @notice Gets a price of the asset\n\n /// @param _ilk Ilk of the CDP\n\n function getPrice(bytes32 _ilk) public view returns (uint) {\n\n (, uint mat) = spotter.ilks(_ilk);\n\n (,,uint spot,,) = vat.ilks(_ilk);\n\n\n\n return rmul(rmul(spot, spotter.par()), mat);\n\n }\n\n\n\n /// @notice Gets CDP ratio\n\n /// @param _cdpId Id of the CDP\n\n /// @param _nextPrice Next price for user\n\n function getRatio(uint _cdpId, uint _nextPrice) public view returns (uint) {\n\n bytes32 ilk = manager.ilks(_cdpId);\n\n uint price = (_nextPrice == 0) ? getPrice(ilk) : _nextPrice;\n\n\n\n (uint collateral, uint debt) = getCdpInfo(_cdpId, ilk);\n\n\n\n if (debt == 0) return 0;\n\n\n\n return rdiv(wmul(collateral, price), debt) / (10 ** 18);\n\n }\n\n\n\n /// @notice Checks if Boost/Repay could be triggered for the CDP\n\n /// @dev Called by MCDMonitor to enforce the min/max check\n\n function canCall(Method _method, uint _cdpId, uint _nextPrice) public view returns(bool, uint) {\n\n bool subscribed;\n\n CdpHolder memory holder;\n\n (subscribed, holder) = subscriptionsContract.getCdpHolder(_cdpId);\n\n\n\n // check if cdp is subscribed\n\n if (!subscribed) return (false, 0);\n\n\n\n // check if using next price is allowed\n\n if (_nextPrice > 0 && !holder.nextPriceEnabled) return (false, 0);\n\n\n\n // check if boost and boost allowed\n\n if (_method == Method.Boost && !holder.boostEnabled) return (false, 0);\n\n\n\n // check if owner is still owner\n\n if (getOwner(_cdpId) != holder.owner) return (false, 0);\n\n\n\n uint currRatio = getRatio(_cdpId, _nextPrice);\n\n\n\n if (_method == Method.Repay) {\n\n return (currRatio < holder.minRatio, currRatio);\n\n } else if (_method == Method.Boost) {\n\n return (currRatio > holder.maxRatio, currRatio);\n\n }\n\n }\n\n\n\n /// @dev After the Boost/Repay check if the ratio doesn't trigger another call\n\n function ratioGoodAfter(Method _method, uint _cdpId, uint _nextPrice) public view returns(bool, uint) {\n\n CdpHolder memory holder;\n\n\n\n (, holder) = subscriptionsContract.getCdpHolder(_cdpId);\n\n\n\n uint currRatio = getRatio(_cdpId, _nextPrice);\n\n\n\n if (_method == Method.Repay) {\n\n return (currRatio < holder.maxRatio, currRatio);\n\n } else if (_method == Method.Boost) {\n\n return (currRatio > holder.minRatio, currRatio);\n\n }\n\n }\n\n\n\n /// @notice Calculates gas cost (in Eth) of tx\n\n /// @dev Gas price is limited to MAX_GAS_PRICE to prevent attack of draining user CDP\n\n /// @param _gasAmount Amount of gas used for the tx\n\n function calcGasCost(uint _gasAmount) public view returns (uint) {\n\n uint gasPrice = tx.gasprice <= MAX_GAS_PRICE ? tx.gasprice : MAX_GAS_PRICE;\n\n\n\n return mul(gasPrice, _gasAmount);\n\n }\n\n\n\n/******************* OWNER ONLY OPERATIONS ********************************/\n\n\n\n /// @notice Allows owner to change gas cost for boost operation, but only up to 3 millions\n\n /// @param _gasCost New gas cost for boost method\n\n function changeBoostGasCost(uint _gasCost) public onlyOwner {\n\n require(_gasCost < 3000000);\n\n\n\n BOOST_GAS_COST = _gasCost;\n\n }\n\n\n\n /// @notice Allows owner to change gas cost for repay operation, but only up to 3 millions\n\n /// @param _gasCost New gas cost for repay method\n\n function changeRepayGasCost(uint _gasCost) public onlyOwner {\n\n require(_gasCost < 3000000);\n\n\n\n REPAY_GAS_COST = _gasCost;\n\n }\n\n\n\n /// @notice Allows owner to change max gas price\n\n /// @param _maxGasPrice New max gas price\n\n function changeMaxGasPrice(uint _maxGasPrice) public onlyOwner {\n\n require(_maxGasPrice < 500000000000);\n\n\n\n MAX_GAS_PRICE = _maxGasPrice;\n\n }\n\n\n\n /// @notice Allows owner to change the amount of gas token burned per function call\n\n /// @param _gasAmount Amount of gas token\n\n /// @param _isRepay Flag to know for which function we are setting the gas token amount\n\n function changeGasTokenAmount(uint _gasAmount, bool _isRepay) public onlyOwner {\n\n if (_isRepay) {\n\n REPAY_GAS_TOKEN = _gasAmount;\n\n } else {\n\n BOOST_GAS_TOKEN = _gasAmount;\n\n }\n\n }\n\n\n\n /// @notice Adds a new bot address which will be able to call repay/boost\n\n /// @param _caller Bot address\n\n function addCaller(address _caller) public onlyOwner {\n\n approvedCallers[_caller] = true;\n\n }\n\n\n\n /// @notice Removes a bot address so it can't call repay/boost\n\n /// @param _caller Bot address\n\n function removeCaller(address _caller) public onlyOwner {\n\n approvedCallers[_caller] = false;\n\n }\n\n}\n\ncontract MCDCloseFlashLoan is SaverExchangeCore, MCDSaverProxyHelper, FlashLoanReceiverBase, AdminAuth {\n\n ILendingPoolAddressesProvider public LENDING_POOL_ADDRESS_PROVIDER = ILendingPoolAddressesProvider(0x24a42fD28C976A61Df5D00D0599C34c4f90748c8);\n\n\n\n uint public constant SERVICE_FEE = 400; // 0.25% Fee\n\n\n\n bytes32 internal constant ETH_ILK = 0x4554482d41000000000000000000000000000000000000000000000000000000;\n\n\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n address public constant DAI_JOIN_ADDRESS = 0x9759A6Ac90977b93B58547b4A71c78317f391A28;\n\n address public constant ETH_JOIN_ADDRESS = 0x2F0b23f53734252Bda2277357e97e1517d6B042A;\n\n address public constant SPOTTER_ADDRESS = 0x65C79fcB50Ca1594B025960e539eD7A9a6D434A3;\n\n address public constant VAT_ADDRESS = 0x35D1b3F3D7966A1DFe207aa4514C12a259A0492B;\n\n\n\n Manager public constant manager = Manager(0x5ef30b9986345249bc32d8928B7ee64DE9435E39);\n\n DaiJoin public constant daiJoin = DaiJoin(DAI_JOIN_ADDRESS);\n\n Spotter public constant spotter = Spotter(SPOTTER_ADDRESS);\n\n Vat public constant vat = Vat(VAT_ADDRESS);\n\n\n\n struct CloseData {\n\n uint cdpId;\n\n uint collAmount;\n\n uint daiAmount;\n\n uint minAccepted;\n\n address joinAddr;\n\n address proxy;\n\n uint flFee;\n\n bool toDai;\n\n address reserve;\n\n uint amount;\n\n }\n\n\n\n constructor() FlashLoanReceiverBase(LENDING_POOL_ADDRESS_PROVIDER) public {}\n\n\n\n function executeOperation(\n\n address _reserve,\n\n uint256 _amount,\n\n uint256 _fee,\n\n bytes calldata _params)\n\n external override {\n\n\n\n (\n\n uint[8] memory numData,\n\n address[5] memory addrData,\n\n bytes memory callData,\n\n address proxy,\n\n bool toDai\n\n )\n\n = abi.decode(_params, (uint256[8],address[5],bytes,address,bool));\n\n\n\n ExchangeData memory exchangeData = ExchangeData({\n\n srcAddr: addrData[0],\n\n destAddr: addrData[1],\n\n srcAmount: numData[4],\n\n destAmount: numData[5],\n\n minPrice: numData[6],\n\n wrapper: addrData[3],\n\n exchangeAddr: addrData[2],\n\n callData: callData,\n\n price0x: numData[7]\n\n });\n\n\n\n CloseData memory closeData = CloseData({\n\n cdpId: numData[0],\n\n collAmount: numData[1],\n\n daiAmount: numData[2],\n\n minAccepted: numData[3],\n\n joinAddr: addrData[4],\n\n proxy: proxy,\n\n flFee: _fee,\n\n toDai: toDai,\n\n reserve: _reserve,\n\n amount: _amount\n\n });\n\n\n\n address user = DSProxy(payable(closeData.proxy)).owner();\n\n\n\n closeCDP(closeData, exchangeData, user);\n\n }\n\n\n\n function closeCDP(\n\n CloseData memory _closeData,\n\n ExchangeData memory _exchangeData,\n\n address _user\n\n ) internal {\n\n\n\n paybackDebt(_closeData.cdpId, manager.ilks(_closeData.cdpId), _closeData.daiAmount); // payback whole debt\n\n drawMaxCollateral(_closeData.cdpId, _closeData.joinAddr, _closeData.collAmount); // draw whole collateral\n\n\n\n uint daiSwaped = 0;\n\n uint dfsFee = 0;\n\n\n\n if (_closeData.toDai) {\n\n _exchangeData.srcAmount = _closeData.collAmount;\n\n (, daiSwaped) = _sell(_exchangeData);\n\n\n\n dfsFee = getFee(daiSwaped, _user);\n\n } else {\n\n dfsFee = getFee(_closeData.daiAmount, _user);\n\n\n\n _exchangeData.destAmount = (_closeData.daiAmount + _closeData.flFee + dfsFee);\n\n (, daiSwaped) = _buy(_exchangeData);\n\n }\n\n\n\n takeFee(dfsFee);\n\n\n\n address tokenAddr = getVaultCollAddr(_closeData.joinAddr);\n\n\n\n if (_closeData.toDai) {\n\n tokenAddr = DAI_ADDRESS;\n\n }\n\n\n\n require(getBalance(tokenAddr) >= _closeData.minAccepted, \"Below min. number of eth specified\");\n\n\n\n transferFundsBackToPoolInternal(_closeData.reserve, _closeData.amount.add(_closeData.flFee));\n\n\n\n sendLeftover(tokenAddr, DAI_ADDRESS, payable(_user));\n\n\n\n }\n\n\n\n function drawMaxCollateral(uint _cdpId, address _joinAddr, uint _amount) internal returns (uint) {\n\n manager.frob(_cdpId, -toPositiveInt(_amount), 0);\n\n manager.flux(_cdpId, address(this), _amount);\n\n\n\n uint joinAmount = _amount;\n\n\n\n if (Join(_joinAddr).dec() != 18) {\n\n joinAmount = _amount / (10 ** (18 - Join(_joinAddr).dec()));\n\n }\n\n\n\n Join(_joinAddr).exit(address(this), joinAmount);\n\n\n\n if (_joinAddr == ETH_JOIN_ADDRESS) {\n\n Join(_joinAddr).gem().withdraw(joinAmount); // Weth -> Eth\n\n }\n\n\n\n return joinAmount;\n\n }\n\n\n\n function paybackDebt(uint _cdpId, bytes32 _ilk, uint _daiAmount) internal {\n\n address urn = manager.urns(_cdpId);\n\n\n\n daiJoin.dai().approve(DAI_JOIN_ADDRESS, _daiAmount);\n\n daiJoin.join(urn, _daiAmount);\n\n\n\n manager.frob(_cdpId, 0, normalizePaybackAmount(VAT_ADDRESS, urn, _ilk));\n\n }\n\n\n\n function takeFee(uint _feeAmount) internal returns (uint) {\n\n ERC20(DAI_ADDRESS).transfer(WALLET_ID, _feeAmount);\n\n }\n\n\n\n function getFee(uint _amount, address _owner) internal view returns (uint feeAmount) {\n\n uint fee = SERVICE_FEE;\n\n\n\n if (Discount(DISCOUNT_ADDRESS).isCustomFeeSet(_owner)) {\n\n fee = Discount(DISCOUNT_ADDRESS).getCustomServiceFee(_owner);\n\n }\n\n\n\n feeAmount = (fee == 0) ? 0 : (_amount / fee);\n\n\n\n // fee can't go over 20% of the whole amount\n\n if (feeAmount > (_amount / 5)) {\n\n feeAmount = _amount / 5;\n\n }\n\n }\n\n\n\n function getVaultCollAddr(address _joinAddr) internal view returns (address) {\n\n address tokenAddr = address(Join(_joinAddr).gem());\n\n\n\n if (tokenAddr == WETH_ADDRESS) {\n\n return KYBER_ETH_ADDRESS;\n\n }\n\n\n\n return tokenAddr;\n\n }\n\n\n\n function getPrice(bytes32 _ilk) public view returns (uint256) {\n\n (, uint256 mat) = spotter.ilks(_ilk);\n\n (, , uint256 spot, , ) = vat.ilks(_ilk);\n\n\n\n return rmul(rmul(spot, spotter.par()), mat);\n\n }\n\n\n\n receive() external override(FlashLoanReceiverBase, SaverExchangeCore) payable {}\n\n\n\n}\n\ncontract MCDCloseTaker is MCDSaverProxyHelper {\n\n\n\n address public constant SUBSCRIPTION_ADDRESS_NEW = 0xC45d4f6B6bf41b6EdAA58B01c4298B8d9078269a;\n\n\n\n address public constant DEFISAVER_LOGGER = 0x5c55B921f590a89C1Ebe84dF170E655a82b62126;\n\n\n\n ILendingPool public constant lendingPool = ILendingPool(0x398eC7346DcD622eDc5ae82352F02bE94C62d119);\n\n\n\n // solhint-disable-next-line const-name-snakecase\n\n Manager public constant manager = Manager(0x5ef30b9986345249bc32d8928B7ee64DE9435E39);\n\n\n\n address public constant SPOTTER_ADDRESS = 0x65C79fcB50Ca1594B025960e539eD7A9a6D434A3;\n\n address public constant VAT_ADDRESS = 0x35D1b3F3D7966A1DFe207aa4514C12a259A0492B;\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n\n\n // solhint-disable-next-line const-name-snakecase\n\n DefisaverLogger public constant logger = DefisaverLogger(DEFISAVER_LOGGER);\n\n\n\n struct CloseData {\n\n uint cdpId;\n\n address joinAddr;\n\n uint collAmount;\n\n uint daiAmount;\n\n uint minAccepted;\n\n bool wholeDebt;\n\n bool toDai;\n\n }\n\n\n\n Vat public constant vat = Vat(VAT_ADDRESS);\n\n Spotter public constant spotter = Spotter(SPOTTER_ADDRESS);\n\n\n\n function closeWithLoan(\n\n SaverExchangeCore.ExchangeData memory _exchangeData,\n\n CloseData memory _closeData,\n\n address payable mcdCloseFlashLoan\n\n ) public payable {\n\n mcdCloseFlashLoan.transfer(msg.value); // 0x fee\n\n\n\n if (_closeData.wholeDebt) {\n\n _closeData.daiAmount = getAllDebt(\n\n VAT_ADDRESS,\n\n manager.urns(_closeData.cdpId),\n\n manager.urns(_closeData.cdpId),\n\n manager.ilks(_closeData.cdpId)\n\n );\n\n\n\n (_closeData.collAmount, )\n\n = getCdpInfo(manager, _closeData.cdpId, manager.ilks(_closeData.cdpId));\n\n }\n\n\n\n manager.cdpAllow(_closeData.cdpId, mcdCloseFlashLoan, 1);\n\n\n\n (uint[8] memory numData, address[5] memory addrData, bytes memory callData)\n\n = _packData(_closeData, _exchangeData);\n\n bytes memory paramsData = abi.encode(numData, addrData, callData, address(this), _closeData.toDai);\n\n\n\n lendingPool.flashLoan(mcdCloseFlashLoan, DAI_ADDRESS, _closeData.daiAmount, paramsData);\n\n\n\n manager.cdpAllow(_closeData.cdpId, mcdCloseFlashLoan, 0);\n\n\n\n // If sub. to automatic protection unsubscribe\n\n unsubscribe(SUBSCRIPTION_ADDRESS_NEW, _closeData.cdpId);\n\n\n\n logger.Log(address(this), msg.sender, \"MCDClose\", abi.encode(_closeData.cdpId, _closeData.collAmount, _closeData.daiAmount, _closeData.toDai));\n\n }\n\n\n\n /// @notice Gets the maximum amount of debt available to generate\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n function getMaxDebt(uint256 _cdpId, bytes32 _ilk) public view returns (uint256) {\n\n uint256 price = getPrice(_ilk);\n\n\n\n (, uint256 mat) = spotter.ilks(_ilk);\n\n (uint256 collateral, uint256 debt) = getCdpInfo(manager, _cdpId, _ilk);\n\n\n\n return sub(wdiv(wmul(collateral, price), mat), debt);\n\n }\n\n\n\n /// @notice Gets a price of the asset\n\n /// @param _ilk Ilk of the CDP\n\n function getPrice(bytes32 _ilk) public view returns (uint256) {\n\n (, uint256 mat) = spotter.ilks(_ilk);\n\n (, , uint256 spot, , ) = vat.ilks(_ilk);\n\n\n\n return rmul(rmul(spot, spotter.par()), mat);\n\n }\n\n\n\n function unsubscribe(address _subContract, uint _cdpId) internal {\n\n (, bool isSubscribed) = IMCDSubscriptions(_subContract).subscribersPos(_cdpId);\n\n\n\n if (isSubscribed) {\n\n IMCDSubscriptions(_subContract).unsubscribe(_cdpId);\n\n }\n\n }\n\n\n\n function _packData(\n\n CloseData memory _closeData,\n\n SaverExchangeCore.ExchangeData memory exchangeData\n\n ) internal pure returns (uint[8] memory numData, address[5] memory addrData, bytes memory callData) {\n\n\n\n numData = [\n\n _closeData.cdpId,\n\n _closeData.collAmount,\n\n _closeData.daiAmount,\n\n _closeData.minAccepted,\n\n exchangeData.srcAmount,\n\n exchangeData.destAmount,\n\n exchangeData.minPrice,\n\n exchangeData.price0x\n\n ];\n\n\n\n addrData = [\n\n exchangeData.srcAddr,\n\n exchangeData.destAddr,\n\n exchangeData.exchangeAddr,\n\n exchangeData.wrapper,\n\n _closeData.joinAddr\n\n ];\n\n\n\n callData = exchangeData.callData;\n\n }\n\n\n\n}\n\ncontract MCDCreateFlashLoan is SaverExchangeCore, AdminAuth, FlashLoanReceiverBase {\n\n address public constant CREATE_PROXY_ACTIONS = 0x6d0984E80a86f26c0dd564ca0CF74a8E9Da03305;\n\n\n\n uint public constant SERVICE_FEE = 400; // 0.25% Fee\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n\n\n ILendingPoolAddressesProvider public LENDING_POOL_ADDRESS_PROVIDER = ILendingPoolAddressesProvider(0x24a42fD28C976A61Df5D00D0599C34c4f90748c8);\n\n\n\n address public constant ETH_JOIN_ADDRESS = 0x2F0b23f53734252Bda2277357e97e1517d6B042A;\n\n address public constant DAI_JOIN_ADDRESS = 0x9759A6Ac90977b93B58547b4A71c78317f391A28;\n\n address public constant JUG_ADDRESS = 0x19c0976f590D67707E62397C87829d896Dc0f1F1;\n\n address public constant MANAGER_ADDRESS = 0x5ef30b9986345249bc32d8928B7ee64DE9435E39;\n\n\n\n constructor() FlashLoanReceiverBase(LENDING_POOL_ADDRESS_PROVIDER) public {}\n\n\n\n function executeOperation(\n\n address _reserve,\n\n uint256 _amount,\n\n uint256 _fee,\n\n bytes calldata _params)\n\n external override {\n\n\n\n //check the contract has the specified balance\n\n require(_amount <= getBalanceInternal(address(this), _reserve),\n\n \"Invalid balance for the contract\");\n\n\n\n (\n\n uint[6] memory numData,\n\n address[5] memory addrData,\n\n bytes memory callData,\n\n address proxy\n\n )\n\n = abi.decode(_params, (uint256[6],address[5],bytes,address));\n\n\n\n ExchangeData memory exchangeData = ExchangeData({\n\n srcAddr: addrData[0],\n\n destAddr: addrData[1],\n\n srcAmount: numData[2],\n\n destAmount: numData[3],\n\n minPrice: numData[4],\n\n wrapper: addrData[3],\n\n exchangeAddr: addrData[2],\n\n callData: callData,\n\n price0x: numData[5]\n\n });\n\n\n\n openAndLeverage(numData[0], numData[1] + _fee, addrData[4], proxy, exchangeData);\n\n\n\n transferFundsBackToPoolInternal(_reserve, _amount.add(_fee));\n\n\n\n // if there is some eth left (0x fee), return it to user\n\n if (address(this).balance > 0) {\n\n tx.origin.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n function openAndLeverage(\n\n uint _collAmount,\n\n uint _daiAmountAndFee,\n\n address _joinAddr,\n\n address _proxy,\n\n ExchangeData memory _exchangeData\n\n ) public {\n\n\n\n uint dfsFee = getFee(_exchangeData.srcAmount, DSProxy(payable(_proxy)).owner());\n\n\n\n _exchangeData.srcAmount = (_exchangeData.srcAmount - dfsFee);\n\n (, uint256 collSwaped) = _sell(_exchangeData);\n\n\n\n bytes32 ilk = Join(_joinAddr).ilk();\n\n\n\n if (_joinAddr == ETH_JOIN_ADDRESS) {\n\n MCDCreateProxyActions(CREATE_PROXY_ACTIONS).openLockETHAndDraw{value: address(this).balance}(\n\n MANAGER_ADDRESS,\n\n JUG_ADDRESS,\n\n ETH_JOIN_ADDRESS,\n\n DAI_JOIN_ADDRESS,\n\n ilk,\n\n _daiAmountAndFee,\n\n _proxy\n\n );\n\n } else {\n\n Join(_joinAddr).gem().approve(CREATE_PROXY_ACTIONS, uint256(-1));\n\n\n\n MCDCreateProxyActions(CREATE_PROXY_ACTIONS).openLockGemAndDraw(\n\n MANAGER_ADDRESS,\n\n JUG_ADDRESS,\n\n _joinAddr,\n\n DAI_JOIN_ADDRESS,\n\n ilk,\n\n (_collAmount + collSwaped),\n\n _daiAmountAndFee,\n\n true,\n\n _proxy\n\n );\n\n }\n\n }\n\n\n\n function getFee(uint _amount, address _owner) internal returns (uint feeAmount) {\n\n uint fee = SERVICE_FEE;\n\n\n\n if (Discount(DISCOUNT_ADDRESS).isCustomFeeSet(_owner)) {\n\n fee = Discount(DISCOUNT_ADDRESS).getCustomServiceFee(_owner);\n\n }\n\n\n\n feeAmount = (fee == 0) ? 0 : (_amount / fee);\n\n\n\n // fee can't go over 20% of the whole amount\n\n if (feeAmount > (_amount / 5)) {\n\n feeAmount = _amount / 5;\n\n }\n\n\n\n ERC20(DAI_ADDRESS).transfer(WALLET_ID, feeAmount);\n\n }\n\n\n\n receive() external override(FlashLoanReceiverBase, SaverExchangeCore) payable {}\n\n}\n\ncontract MCDSaverProxy is SaverExchangeCore, MCDSaverProxyHelper {\n\n\n\n uint public constant SERVICE_FEE = 400; // 0.25% Fee\n\n bytes32 public constant ETH_ILK = 0x4554482d41000000000000000000000000000000000000000000000000000000;\n\n\n\n address public constant MANAGER_ADDRESS = 0x5ef30b9986345249bc32d8928B7ee64DE9435E39;\n\n address public constant VAT_ADDRESS = 0x35D1b3F3D7966A1DFe207aa4514C12a259A0492B;\n\n address public constant SPOTTER_ADDRESS = 0x65C79fcB50Ca1594B025960e539eD7A9a6D434A3;\n\n address public constant DAI_JOIN_ADDRESS = 0x9759A6Ac90977b93B58547b4A71c78317f391A28;\n\n address public constant JUG_ADDRESS = 0x19c0976f590D67707E62397C87829d896Dc0f1F1;\n\n address public constant ETH_JOIN_ADDRESS = 0x2F0b23f53734252Bda2277357e97e1517d6B042A;\n\n address public constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;\n\n\n\n Manager public constant manager = Manager(MANAGER_ADDRESS);\n\n Vat public constant vat = Vat(VAT_ADDRESS);\n\n DaiJoin public constant daiJoin = DaiJoin(DAI_JOIN_ADDRESS);\n\n Spotter public constant spotter = Spotter(SPOTTER_ADDRESS);\n\n\n\n DefisaverLogger public constant logger = DefisaverLogger(0x5c55B921f590a89C1Ebe84dF170E655a82b62126);\n\n\n\n /// @notice Repay - draws collateral, converts to Dai and repays the debt\n\n /// @dev Must be called by the DSProxy contract that owns the CDP\n\n function repay(\n\n SaverExchangeCore.ExchangeData memory _exchangeData,\n\n uint _cdpId,\n\n uint _gasCost,\n\n address _joinAddr\n\n ) public payable {\n\n\n\n address owner = getOwner(manager, _cdpId);\n\n bytes32 ilk = manager.ilks(_cdpId);\n\n\n\n drawCollateral(_cdpId, _joinAddr, _exchangeData.srcAmount);\n\n\n\n (, uint daiAmount) = _sell(_exchangeData);\n\n\n\n uint daiAfterFee = sub(daiAmount, getFee(daiAmount, _gasCost, owner));\n\n\n\n paybackDebt(_cdpId, ilk, daiAfterFee, owner);\n\n\n\n // if there is some eth left (0x fee), return it to user\n\n if (address(this).balance > 0) {\n\n tx.origin.transfer(address(this).balance);\n\n }\n\n\n\n logger.Log(address(this), msg.sender, \"MCDRepay\", abi.encode(_cdpId, owner, _exchangeData.srcAmount, daiAmount));\n\n\n\n }\n\n\n\n /// @notice Boost - draws Dai, converts to collateral and adds to CDP\n\n /// @dev Must be called by the DSProxy contract that owns the CDP\n\n function boost(\n\n SaverExchangeCore.ExchangeData memory _exchangeData,\n\n uint _cdpId,\n\n uint _gasCost,\n\n address _joinAddr\n\n ) public payable {\n\n address owner = getOwner(manager, _cdpId);\n\n bytes32 ilk = manager.ilks(_cdpId);\n\n\n\n uint daiDrawn = drawDai(_cdpId, ilk, _exchangeData.srcAmount);\n\n uint daiAfterFee = sub(daiDrawn, getFee(daiDrawn, _gasCost, owner));\n\n\n\n _exchangeData.srcAmount = daiAfterFee;\n\n (, uint swapedColl) = _sell(_exchangeData);\n\n\n\n addCollateral(_cdpId, _joinAddr, swapedColl);\n\n\n\n // if there is some eth left (0x fee), return it to user\n\n if (address(this).balance > 0) {\n\n tx.origin.transfer(address(this).balance);\n\n }\n\n\n\n logger.Log(address(this), msg.sender, \"MCDBoost\", abi.encode(_cdpId, owner, _exchangeData.srcAmount, swapedColl));\n\n }\n\n\n\n /// @notice Draws Dai from the CDP\n\n /// @dev If _daiAmount is bigger than max available we'll draw max\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n /// @param _daiAmount Amount of Dai to draw\n\n function drawDai(uint _cdpId, bytes32 _ilk, uint _daiAmount) internal returns (uint) {\n\n uint rate = Jug(JUG_ADDRESS).drip(_ilk);\n\n uint daiVatBalance = vat.dai(manager.urns(_cdpId));\n\n\n\n uint maxAmount = getMaxDebt(_cdpId, _ilk);\n\n\n\n if (_daiAmount >= maxAmount) {\n\n _daiAmount = sub(maxAmount, 1);\n\n }\n\n\n\n manager.frob(_cdpId, int(0), normalizeDrawAmount(_daiAmount, rate, daiVatBalance));\n\n manager.move(_cdpId, address(this), toRad(_daiAmount));\n\n\n\n if (vat.can(address(this), address(DAI_JOIN_ADDRESS)) == 0) {\n\n vat.hope(DAI_JOIN_ADDRESS);\n\n }\n\n\n\n DaiJoin(DAI_JOIN_ADDRESS).exit(address(this), _daiAmount);\n\n\n\n return _daiAmount;\n\n }\n\n\n\n /// @notice Adds collateral to the CDP\n\n /// @param _cdpId Id of the CDP\n\n /// @param _joinAddr Address of the join contract for the CDP collateral\n\n /// @param _amount Amount of collateral to add\n\n function addCollateral(uint _cdpId, address _joinAddr, uint _amount) internal {\n\n int convertAmount = 0;\n\n\n\n if (_joinAddr == ETH_JOIN_ADDRESS) {\n\n Join(_joinAddr).gem().deposit{value: _amount}();\n\n convertAmount = toPositiveInt(_amount);\n\n } else {\n\n convertAmount = toPositiveInt(convertTo18(_joinAddr, _amount));\n\n }\n\n\n\n Join(_joinAddr).gem().approve(_joinAddr, _amount);\n\n Join(_joinAddr).join(address(this), _amount);\n\n\n\n vat.frob(\n\n manager.ilks(_cdpId),\n\n manager.urns(_cdpId),\n\n address(this),\n\n address(this),\n\n convertAmount,\n\n 0\n\n );\n\n\n\n }\n\n\n\n /// @notice Draws collateral and returns it to DSProxy\n\n /// @dev If _amount is bigger than max available we'll draw max\n\n /// @param _cdpId Id of the CDP\n\n /// @param _joinAddr Address of the join contract for the CDP collateral\n\n /// @param _amount Amount of collateral to draw\n\n function drawCollateral(uint _cdpId, address _joinAddr, uint _amount) internal returns (uint) {\n\n uint frobAmount = _amount;\n\n\n\n if (Join(_joinAddr).dec() != 18) {\n\n frobAmount = _amount * (10 ** (18 - Join(_joinAddr).dec()));\n\n }\n\n\n\n manager.frob(_cdpId, -toPositiveInt(frobAmount), 0);\n\n manager.flux(_cdpId, address(this), frobAmount);\n\n\n\n Join(_joinAddr).exit(address(this), _amount);\n\n\n\n if (_joinAddr == ETH_JOIN_ADDRESS) {\n\n Join(_joinAddr).gem().withdraw(_amount); // Weth -> Eth\n\n }\n\n\n\n return _amount;\n\n }\n\n\n\n /// @notice Paybacks Dai debt\n\n /// @dev If the _daiAmount is bigger than the whole debt, returns extra Dai\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n /// @param _daiAmount Amount of Dai to payback\n\n /// @param _owner Address that owns the DSProxy that owns the CDP\n\n function paybackDebt(uint _cdpId, bytes32 _ilk, uint _daiAmount, address _owner) internal {\n\n address urn = manager.urns(_cdpId);\n\n\n\n uint wholeDebt = getAllDebt(VAT_ADDRESS, urn, urn, _ilk);\n\n\n\n if (_daiAmount > wholeDebt) {\n\n ERC20(DAI_ADDRESS).transfer(_owner, sub(_daiAmount, wholeDebt));\n\n _daiAmount = wholeDebt;\n\n }\n\n\n\n if (ERC20(DAI_ADDRESS).allowance(address(this), DAI_JOIN_ADDRESS) == 0) {\n\n ERC20(DAI_ADDRESS).approve(DAI_JOIN_ADDRESS, uint(-1));\n\n }\n\n\n\n daiJoin.join(urn, _daiAmount);\n\n\n\n manager.frob(_cdpId, 0, normalizePaybackAmount(VAT_ADDRESS, urn, _ilk));\n\n }\n\n\n\n /// @notice Calculates the fee amount\n\n /// @param _amount Dai amount that is converted\n\n /// @param _gasCost Used for Monitor, estimated gas cost of tx\n\n /// @param _owner The address that controlls the DSProxy that owns the CDP\n\n function getFee(uint _amount, uint _gasCost, address _owner) internal returns (uint feeAmount) {\n\n uint fee = SERVICE_FEE;\n\n\n\n if (Discount(DISCOUNT_ADDRESS).isCustomFeeSet(_owner)) {\n\n fee = Discount(DISCOUNT_ADDRESS).getCustomServiceFee(_owner);\n\n }\n\n\n\n feeAmount = (fee == 0) ? 0 : (_amount / fee);\n\n\n\n if (_gasCost != 0) {\n\n uint ethDaiPrice = getPrice(ETH_ILK);\n\n _gasCost = rmul(_gasCost, ethDaiPrice);\n\n\n\n feeAmount = add(feeAmount, _gasCost);\n\n }\n\n\n\n // fee can't go over 20% of the whole amount\n\n if (feeAmount > (_amount / 5)) {\n\n feeAmount = _amount / 5;\n\n }\n\n\n\n ERC20(DAI_ADDRESS).transfer(WALLET_ID, feeAmount);\n\n }\n\n\n\n /// @notice Gets the maximum amount of collateral available to draw\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n /// @param _joinAddr Joind address of collateral\n\n /// @dev Substracts 10 wei to aviod rounding error later on\n\n function getMaxCollateral(uint _cdpId, bytes32 _ilk, address _joinAddr) public view returns (uint) {\n\n uint price = getPrice(_ilk);\n\n\n\n (uint collateral, uint debt) = getCdpInfo(manager, _cdpId, _ilk);\n\n\n\n (, uint mat) = Spotter(SPOTTER_ADDRESS).ilks(_ilk);\n\n\n\n uint maxCollateral = sub(sub(collateral, (div(mul(mat, debt), price))), 10);\n\n\n\n uint normalizeMaxCollateral = maxCollateral;\n\n\n\n if (Join(_joinAddr).dec() != 18) {\n\n normalizeMaxCollateral = maxCollateral / (10 ** (18 - Join(_joinAddr).dec()));\n\n }\n\n\n\n return normalizeMaxCollateral;\n\n }\n\n\n\n /// @notice Gets the maximum amount of debt available to generate\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n /// @dev Substracts 10 wei to aviod rounding error later on\n\n function getMaxDebt(uint _cdpId, bytes32 _ilk) public virtual view returns (uint) {\n\n uint price = getPrice(_ilk);\n\n\n\n (, uint mat) = spotter.ilks(_ilk);\n\n (uint collateral, uint debt) = getCdpInfo(manager, _cdpId, _ilk);\n\n\n\n return sub(sub(div(mul(collateral, price), mat), debt), 10);\n\n }\n\n\n\n /// @notice Gets a price of the asset\n\n /// @param _ilk Ilk of the CDP\n\n function getPrice(bytes32 _ilk) public view returns (uint) {\n\n (, uint mat) = spotter.ilks(_ilk);\n\n (,,uint spot,,) = vat.ilks(_ilk);\n\n\n\n return rmul(rmul(spot, spotter.par()), mat);\n\n }\n\n\n\n /// @notice Gets CDP ratio\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n function getRatio(uint _cdpId, bytes32 _ilk) public view returns (uint) {\n\n uint price = getPrice( _ilk);\n\n\n\n (uint collateral, uint debt) = getCdpInfo(manager, _cdpId, _ilk);\n\n\n\n if (debt == 0) return 0;\n\n\n\n return rdiv(wmul(collateral, price), debt);\n\n }\n\n\n\n /// @notice Gets CDP info (collateral, debt, price, ilk)\n\n /// @param _cdpId Id of the CDP\n\n function getCdpDetailedInfo(uint _cdpId) public view returns (uint collateral, uint debt, uint price, bytes32 ilk) {\n\n address urn = manager.urns(_cdpId);\n\n ilk = manager.ilks(_cdpId);\n\n\n\n (collateral, debt) = vat.urns(ilk, urn);\n\n (,uint rate,,,) = vat.ilks(ilk);\n\n\n\n debt = rmul(debt, rate);\n\n price = getPrice(ilk);\n\n }\n\n\n\n}\n\ncontract MCDSaverTaker is MCDSaverProxy, GasBurner {\n\n\n\n address payable public constant MCD_SAVER_FLASH_LOAN = 0x28e444b53a9e7E3F6fFe50E93b18dCce7838551F;\n\n address public constant AAVE_POOL_CORE = 0x3dfd23A6c5E8BbcFc9581d2E864a68feb6a076d3;\n\n\n\n ILendingPool public constant lendingPool = ILendingPool(0x398eC7346DcD622eDc5ae82352F02bE94C62d119);\n\n\n\n function boostWithLoan(\n\n SaverExchangeCore.ExchangeData memory _exchangeData,\n\n uint _cdpId,\n\n uint _gasCost,\n\n address _joinAddr\n\n ) public payable burnGas(25) {\n\n uint256 maxDebt = getMaxDebt(_cdpId, manager.ilks(_cdpId));\n\n\n\n if (maxDebt >= _exchangeData.srcAmount) {\n\n boost(_exchangeData, _cdpId, _gasCost, _joinAddr);\n\n return;\n\n }\n\n\n\n MCD_SAVER_FLASH_LOAN.transfer(msg.value); // 0x fee\n\n\n\n uint256 loanAmount = sub(_exchangeData.srcAmount, maxDebt);\n\n uint maxLiq = getAvailableLiquidity(_joinAddr);\n\n\n\n loanAmount = loanAmount > maxLiq ? maxLiq : loanAmount;\n\n\n\n manager.cdpAllow(_cdpId, MCD_SAVER_FLASH_LOAN, 1);\n\n\n\n bytes memory paramsData = abi.encode(packExchangeData(_exchangeData), _cdpId, _gasCost, _joinAddr, false);\n\n\n\n lendingPool.flashLoan(MCD_SAVER_FLASH_LOAN, DAI_ADDRESS, loanAmount, paramsData);\n\n\n\n manager.cdpAllow(_cdpId, MCD_SAVER_FLASH_LOAN, 0);\n\n }\n\n\n\n function repayWithLoan(\n\n SaverExchangeCore.ExchangeData memory _exchangeData,\n\n uint _cdpId,\n\n uint _gasCost,\n\n address _joinAddr\n\n ) public payable burnGas(25) {\n\n uint256 maxColl = getMaxCollateral(_cdpId, manager.ilks(_cdpId), _joinAddr);\n\n\n\n if (maxColl >= _exchangeData.srcAmount) {\n\n repay(_exchangeData, _cdpId, _gasCost, _joinAddr);\n\n return;\n\n }\n\n\n\n MCD_SAVER_FLASH_LOAN.transfer(msg.value); // 0x fee\n\n\n\n uint256 loanAmount = sub(_exchangeData.srcAmount, maxColl);\n\n uint maxLiq = getAvailableLiquidity(_joinAddr);\n\n\n\n loanAmount = loanAmount > maxLiq ? maxLiq : loanAmount;\n\n\n\n manager.cdpAllow(_cdpId, MCD_SAVER_FLASH_LOAN, 1);\n\n\n\n bytes memory paramsData = abi.encode(packExchangeData(_exchangeData), _cdpId, _gasCost, _joinAddr, true);\n\n\n\n lendingPool.flashLoan(MCD_SAVER_FLASH_LOAN, getAaveCollAddr(_joinAddr), loanAmount, paramsData);\n\n\n\n manager.cdpAllow(_cdpId, MCD_SAVER_FLASH_LOAN, 0);\n\n }\n\n\n\n\n\n /// @notice Gets the maximum amount of debt available to generate\n\n /// @param _cdpId Id of the CDP\n\n /// @param _ilk Ilk of the CDP\n\n function getMaxDebt(uint256 _cdpId, bytes32 _ilk) public override view returns (uint256) {\n\n uint256 price = getPrice(_ilk);\n\n\n\n (, uint256 mat) = spotter.ilks(_ilk);\n\n (uint256 collateral, uint256 debt) = getCdpInfo(manager, _cdpId, _ilk);\n\n\n\n return sub(wdiv(wmul(collateral, price), mat), debt);\n\n }\n\n\n\n function getAaveCollAddr(address _joinAddr) internal view returns (address) {\n\n if (_joinAddr == 0x2F0b23f53734252Bda2277357e97e1517d6B042A\n\n || _joinAddr == 0x775787933e92b709f2a3C70aa87999696e74A9F8) {\n\n return KYBER_ETH_ADDRESS;\n\n } else {\n\n return getCollateralAddr(_joinAddr);\n\n }\n\n }\n\n\n\n function getAvailableLiquidity(address _joinAddr) internal view returns (uint liquidity) {\n\n address tokenAddr = getAaveCollAddr(_joinAddr);\n\n\n\n if (tokenAddr == KYBER_ETH_ADDRESS) {\n\n liquidity = AAVE_POOL_CORE.balance;\n\n } else {\n\n liquidity = ERC20(tokenAddr).balanceOf(AAVE_POOL_CORE);\n\n }\n\n }\n\n\n\n function _packData(\n\n uint _cdpId,\n\n uint _gasCost,\n\n address _joinAddr,\n\n SaverExchangeCore.ExchangeData memory exchangeData\n\n ) internal pure returns (uint[6] memory numData, address[5] memory addrData, bytes memory callData) {\n\n\n\n numData = [\n\n exchangeData.srcAmount,\n\n exchangeData.destAmount,\n\n exchangeData.minPrice,\n\n exchangeData.price0x,\n\n _cdpId,\n\n _gasCost\n\n ];\n\n\n\n addrData = [\n\n exchangeData.srcAddr,\n\n exchangeData.destAddr,\n\n exchangeData.exchangeAddr,\n\n exchangeData.wrapper,\n\n _joinAddr\n\n ];\n\n\n\n callData = exchangeData.callData;\n\n }\n\n\n\n}\n\ncontract SavingsProxy is DSRSavingsProtocol, CompoundSavingsProtocol {\n\n address public constant ADAI_ADDRESS = 0xfC1E690f61EFd961294b3e1Ce3313fBD8aa4f85d;\n\n\n\n address public constant SAVINGS_DYDX_ADDRESS = 0x03b1565e070df392e48e7a8e01798C4B00E534A5;\n\n address public constant SAVINGS_AAVE_ADDRESS = 0x535B9035E9bA8D7efe0FeAEac885fb65b303E37C;\n\n address public constant NEW_IDAI_ADDRESS = 0x493C57C4763932315A328269E1ADaD09653B9081;\n\n\n\n address public constant COMP_ADDRESS = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;\n\n\n\n address public constant SAVINGS_LOGGER_ADDRESS = 0x89b3635BD2bAD145C6f92E82C9e83f06D5654984;\n\n address public constant SOLO_MARGIN_ADDRESS = 0x1E0447b19BB6EcFdAe1e4AE1694b0C3659614e4e;\n\n\n\n enum SavingsProtocol {Compound, Dydx, Fulcrum, Dsr, Aave}\n\n\n\n function deposit(SavingsProtocol _protocol, uint256 _amount) public {\n\n if (_protocol == SavingsProtocol.Dsr) {\n\n dsrDeposit(_amount, true);\n\n } else if (_protocol == SavingsProtocol.Compound) {\n\n compDeposit(msg.sender, _amount);\n\n } else {\n\n _deposit(_protocol, _amount, true);\n\n }\n\n\n\n SavingsLogger(SAVINGS_LOGGER_ADDRESS).logDeposit(msg.sender, uint8(_protocol), _amount);\n\n }\n\n\n\n function withdraw(SavingsProtocol _protocol, uint256 _amount) public {\n\n if (_protocol == SavingsProtocol.Dsr) {\n\n dsrWithdraw(_amount, true);\n\n } else if (_protocol == SavingsProtocol.Compound) {\n\n compWithdraw(msg.sender, _amount);\n\n } else {\n\n _withdraw(_protocol, _amount, true);\n\n }\n\n\n\n SavingsLogger(SAVINGS_LOGGER_ADDRESS).logWithdraw(msg.sender, uint8(_protocol), _amount);\n\n }\n\n\n\n function swap(SavingsProtocol _from, SavingsProtocol _to, uint256 _amount) public {\n\n if (_from == SavingsProtocol.Dsr) {\n\n dsrWithdraw(_amount, false);\n\n } else if (_from == SavingsProtocol.Compound) {\n\n compWithdraw(msg.sender, _amount);\n\n } else {\n\n _withdraw(_from, _amount, false);\n\n }\n\n\n\n // possible to withdraw 1-2 wei less than actual amount due to division precision\n\n // so we deposit all amount on DSProxy\n\n uint256 amountToDeposit = ERC20(DAI_ADDRESS).balanceOf(address(this));\n\n\n\n if (_to == SavingsProtocol.Dsr) {\n\n dsrDeposit(amountToDeposit, false);\n\n } else if (_from == SavingsProtocol.Compound) {\n\n compDeposit(msg.sender, _amount);\n\n } else {\n\n _deposit(_to, amountToDeposit, false);\n\n }\n\n\n\n SavingsLogger(SAVINGS_LOGGER_ADDRESS).logSwap(\n\n msg.sender,\n\n uint8(_from),\n\n uint8(_to),\n\n _amount\n\n );\n\n }\n\n\n\n function withdrawDai() public {\n\n ERC20(DAI_ADDRESS).transfer(msg.sender, ERC20(DAI_ADDRESS).balanceOf(address(this)));\n\n }\n\n\n\n function claimComp() public {\n\n ComptrollerInterface(COMP_ADDRESS).claimComp(address(this));\n\n }\n\n\n\n function getAddress(SavingsProtocol _protocol) public pure returns (address) {\n\n\n\n if (_protocol == SavingsProtocol.Dydx) {\n\n return SAVINGS_DYDX_ADDRESS;\n\n }\n\n\n\n if (_protocol == SavingsProtocol.Aave) {\n\n return SAVINGS_AAVE_ADDRESS;\n\n }\n\n }\n\n\n\n function _deposit(SavingsProtocol _protocol, uint256 _amount, bool _fromUser) internal {\n\n if (_fromUser) {\n\n ERC20(DAI_ADDRESS).transferFrom(msg.sender, address(this), _amount);\n\n }\n\n\n\n approveDeposit(_protocol);\n\n\n\n ProtocolInterface(getAddress(_protocol)).deposit(address(this), _amount);\n\n\n\n endAction(_protocol);\n\n }\n\n\n\n function _withdraw(SavingsProtocol _protocol, uint256 _amount, bool _toUser) public {\n\n approveWithdraw(_protocol);\n\n\n\n ProtocolInterface(getAddress(_protocol)).withdraw(address(this), _amount);\n\n\n\n endAction(_protocol);\n\n\n\n if (_toUser) {\n\n withdrawDai();\n\n }\n\n }\n\n\n\n function endAction(SavingsProtocol _protocol) internal {\n\n if (_protocol == SavingsProtocol.Dydx) {\n\n setDydxOperator(false);\n\n }\n\n }\n\n\n\n function approveDeposit(SavingsProtocol _protocol) internal {\n\n if (_protocol == SavingsProtocol.Compound || _protocol == SavingsProtocol.Fulcrum || _protocol == SavingsProtocol.Aave) {\n\n ERC20(DAI_ADDRESS).approve(getAddress(_protocol), uint256(-1));\n\n }\n\n\n\n if (_protocol == SavingsProtocol.Dydx) {\n\n ERC20(DAI_ADDRESS).approve(SOLO_MARGIN_ADDRESS, uint256(-1));\n\n setDydxOperator(true);\n\n }\n\n }\n\n\n\n function approveWithdraw(SavingsProtocol _protocol) internal {\n\n if (_protocol == SavingsProtocol.Compound) {\n\n ERC20(NEW_CDAI_ADDRESS).approve(getAddress(_protocol), uint256(-1));\n\n }\n\n\n\n if (_protocol == SavingsProtocol.Dydx) {\n\n setDydxOperator(true);\n\n }\n\n\n\n if (_protocol == SavingsProtocol.Fulcrum) {\n\n ERC20(NEW_IDAI_ADDRESS).approve(getAddress(_protocol), uint256(-1));\n\n }\n\n\n\n if (_protocol == SavingsProtocol.Aave) {\n\n ERC20(ADAI_ADDRESS).approve(getAddress(_protocol), uint256(-1));\n\n }\n\n }\n\n\n\n function setDydxOperator(bool _trusted) internal {\n\n ISoloMargin.OperatorArg[] memory operatorArgs = new ISoloMargin.OperatorArg[](1);\n\n operatorArgs[0] = ISoloMargin.OperatorArg({\n\n operator: getAddress(SavingsProtocol.Dydx),\n\n trusted: _trusted\n\n });\n\n\n\n ISoloMargin(SOLO_MARGIN_ADDRESS).setOperators(operatorArgs);\n\n }\n\n}\n\ncontract LoanShifterReceiver is SaverExchangeCore, FlashLoanReceiverBase, AdminAuth {\n\n\n\n ILendingPoolAddressesProvider public LENDING_POOL_ADDRESS_PROVIDER = ILendingPoolAddressesProvider(0x24a42fD28C976A61Df5D00D0599C34c4f90748c8);\n\n address public constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n\n\n ShifterRegistry public constant shifterRegistry = ShifterRegistry(0x2612Af3A521c2df9EAF28422Ca335b04AdF3ac66);\n\n\n\n struct ParamData {\n\n bytes proxyData1;\n\n bytes proxyData2;\n\n address proxy;\n\n address debtAddr;\n\n uint8 protocol1;\n\n uint8 protocol2;\n\n uint8 swapType;\n\n }\n\n\n\n constructor() FlashLoanReceiverBase(LENDING_POOL_ADDRESS_PROVIDER) public {}\n\n\n\n function executeOperation(\n\n address _reserve,\n\n uint256 _amount,\n\n uint256 _fee,\n\n bytes calldata _params)\n\n external override {\n\n // Format the call data for DSProxy\n\n (ParamData memory paramData, ExchangeData memory exchangeData)\n\n = packFunctionCall(_amount, _fee, _params);\n\n\n\n address protocolAddr1 = shifterRegistry.getAddr(getNameByProtocol(paramData.protocol1));\n\n address protocolAddr2 = shifterRegistry.getAddr(getNameByProtocol(paramData.protocol2));\n\n\n\n // Send Flash loan amount to DSProxy\n\n sendToProxy(payable(paramData.proxy), _reserve, _amount);\n\n\n\n // Execute the Close/Change debt operation\n\n DSProxyInterface(paramData.proxy).execute(protocolAddr1, paramData.proxyData1);\n\n\n\n if (paramData.swapType == 1) { // COLL_SWAP\n\n exchangeData.srcAmount = getBalance(exchangeData.srcAddr);\n\n (, uint amount) = _sell(exchangeData);\n\n\n\n sendToProxy(payable(paramData.proxy), exchangeData.destAddr, amount);\n\n } else if (paramData.swapType == 2) { // DEBT_SWAP\n\n exchangeData.destAmount = (_amount + _fee);\n\n _buy(exchangeData);\n\n\n\n // Send extra to DSProxy\n\n sendToProxy(payable(paramData.proxy), exchangeData.srcAddr, ERC20(exchangeData.srcAddr).balanceOf(address(this)));\n\n\n\n } else { // NO_SWAP just send tokens to proxy\n\n sendToProxy(payable(paramData.proxy), exchangeData.srcAddr, getBalance(exchangeData.srcAddr));\n\n }\n\n\n\n // Execute the Open operation\n\n DSProxyInterface(paramData.proxy).execute(protocolAddr2, paramData.proxyData2);\n\n\n\n // Repay FL\n\n transferFundsBackToPoolInternal(_reserve, _amount.add(_fee));\n\n\n\n // if there is some eth left (0x fee), return it to user\n\n if (address(this).balance > 0) {\n\n tx.origin.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n function packFunctionCall(uint _amount, uint _fee, bytes memory _params)\n\n internal pure returns (ParamData memory paramData, ExchangeData memory exchangeData) {\n\n\n\n (\n\n uint[8] memory numData, // collAmount, debtAmount, id1, id2, srcAmount, destAmount, minPrice, price0x\n\n address[8] memory addrData, // addrLoan1, addrLoan2, debtAddr1, debtAddr2, srcAddr, destAddr, exchangeAddr, wrapper\n\n uint8[3] memory enumData, // fromProtocol, toProtocol, swapType\n\n bytes memory callData,\n\n address proxy\n\n )\n\n = abi.decode(_params, (uint256[8],address[8],uint8[3],bytes,address));\n\n\n\n bytes memory proxyData1;\n\n bytes memory proxyData2;\n\n uint openDebtAmount = (_amount + _fee);\n\n\n\n if (enumData[0] == 0) { // MAKER FROM\n\n proxyData1 = abi.encodeWithSignature(\"close(uint256,address,uint256,uint256)\", numData[2], addrData[0], _amount, numData[0]);\n\n\n\n } else if(enumData[0] == 1) { // COMPOUND FROM\n\n if (enumData[2] == 2) { // DEBT_SWAP\n\n proxyData1 = abi.encodeWithSignature(\"changeDebt(address,address,uint256,uint256)\", addrData[2], addrData[3], (_amount + _fee), numData[4]);\n\n } else {\n\n proxyData1 = abi.encodeWithSignature(\"close(address,address,uint256,uint256)\", addrData[0], addrData[2], numData[0], numData[1]);\n\n }\n\n }\n\n\n\n if (enumData[1] == 0) { // MAKER TO\n\n proxyData2 = abi.encodeWithSignature(\"open(uint256,address,uint256)\", numData[3], addrData[1], openDebtAmount);\n\n } else if(enumData[1] == 1) { // COMPOUND TO\n\n if (enumData[2] == 2) { // DEBT_SWAP\n\n proxyData2 = abi.encodeWithSignature(\"repayAll(address)\", addrData[3]);\n\n } else {\n\n proxyData2 = abi.encodeWithSignature(\"open(address,address,uint256)\", addrData[1], addrData[3], openDebtAmount);\n\n }\n\n }\n\n\n\n\n\n paramData = ParamData({\n\n proxyData1: proxyData1,\n\n proxyData2: proxyData2,\n\n proxy: proxy,\n\n debtAddr: addrData[2],\n\n protocol1: enumData[0],\n\n protocol2: enumData[1],\n\n swapType: enumData[2]\n\n });\n\n\n\n exchangeData = SaverExchangeCore.ExchangeData({\n\n srcAddr: addrData[4],\n\n destAddr: addrData[5],\n\n srcAmount: numData[4],\n\n destAmount: numData[5],\n\n minPrice: numData[6],\n\n wrapper: addrData[7],\n\n exchangeAddr: addrData[6],\n\n callData: callData,\n\n price0x: numData[7]\n\n });\n\n\n\n }\n\n\n\n function sendToProxy(address payable _proxy, address _reserve, uint _amount) internal {\n\n if (_reserve != ETH_ADDRESS) {\n\n ERC20(_reserve).safeTransfer(_proxy, _amount);\n\n }\n\n\n\n _proxy.transfer(address(this).balance);\n\n }\n\n\n\n function getNameByProtocol(uint8 _proto) internal pure returns (string memory) {\n\n if (_proto == 0) {\n\n return \"MCD_SHIFTER\";\n\n } else if (_proto == 1) {\n\n return \"COMP_SHIFTER\";\n\n }\n\n }\n\n\n\n receive() external override(FlashLoanReceiverBase, SaverExchangeCore) payable {}\n\n}\n\ncontract CompShifter is CompoundSaverHelper {\n\n\n\n address public constant COMPTROLLER_ADDR = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;\n\n\n\n function getWholeDebt(uint _cdpId, address _joinAddr) public virtual returns(uint loanAmount) {\n\n return CTokenInterface(_joinAddr).borrowBalanceCurrent(msg.sender);\n\n }\n\n\n\n function close(\n\n address _cCollAddr,\n\n address _cBorrowAddr,\n\n uint _collAmount,\n\n uint _debtAmount\n\n ) public {\n\n address collAddr = getUnderlyingAddr(_cCollAddr);\n\n\n\n // payback debt\n\n paybackDebt(_debtAmount, _cBorrowAddr, getUnderlyingAddr(_cBorrowAddr), tx.origin);\n\n\n\n // draw coll\n\n if (CTokenInterface(_cBorrowAddr).borrowBalanceCurrent(address(this)) == 0) {\n\n uint cTokenBalance = CTokenInterface(_cCollAddr).balanceOf(address(this));\n\n require(CTokenInterface(_cCollAddr).redeem(cTokenBalance) == 0);\n\n } else {\n\n require(CTokenInterface(_cCollAddr).redeemUnderlying(_collAmount) == 0);\n\n }\n\n\n\n // Send back money to repay FL\n\n if (collAddr == ETH_ADDRESS) {\n\n msg.sender.transfer(address(this).balance);\n\n } else {\n\n ERC20(collAddr).transfer(msg.sender, ERC20(collAddr).balanceOf(address(this)));\n\n }\n\n }\n\n\n\n function changeDebt(\n\n address _cBorrowAddrOld,\n\n address _cBorrowAddrNew,\n\n uint _debtAmountOld,\n\n uint _debtAmountNew\n\n ) public {\n\n\n\n address borrowAddrNew = getUnderlyingAddr(_cBorrowAddrNew);\n\n\n\n // payback debt in one token\n\n paybackDebt(_debtAmountOld, _cBorrowAddrOld, getUnderlyingAddr(_cBorrowAddrOld), tx.origin);\n\n\n\n // draw debt in another one\n\n borrowCompound(_cBorrowAddrNew, _debtAmountNew);\n\n\n\n // Send back money to repay FL\n\n if (borrowAddrNew == ETH_ADDRESS) {\n\n msg.sender.transfer(address(this).balance);\n\n } else {\n\n ERC20(borrowAddrNew).transfer(msg.sender, ERC20(borrowAddrNew).balanceOf(address(this)));\n\n }\n\n }\n\n\n\n function open(\n\n address _cCollAddr,\n\n address _cBorrowAddr,\n\n uint _debtAmount\n\n ) public {\n\n\n\n address collAddr = getUnderlyingAddr(_cCollAddr);\n\n address borrowAddr = getUnderlyingAddr(_cBorrowAddr);\n\n\n\n uint collAmount = 0;\n\n\n\n if (collAddr == ETH_ADDRESS) {\n\n collAmount = address(this).balance;\n\n } else {\n\n collAmount = ERC20(collAddr).balanceOf(address(this));\n\n }\n\n\n\n depositCompound(collAddr, _cCollAddr, collAmount);\n\n\n\n // draw debt\n\n borrowCompound(_cBorrowAddr, _debtAmount);\n\n\n\n // Send back money to repay FL\n\n if (borrowAddr == ETH_ADDRESS) {\n\n msg.sender.transfer(address(this).balance);\n\n } else {\n\n ERC20(borrowAddr).transfer(msg.sender, ERC20(borrowAddr).balanceOf(address(this)));\n\n }\n\n\n\n }\n\n\n\n function repayAll(address _cTokenAddr) public {\n\n address tokenAddr = getUnderlyingAddr(_cTokenAddr);\n\n uint amount = ERC20(tokenAddr).balanceOf(address(this));\n\n\n\n if (amount != 0) {\n\n paybackDebt(amount, _cTokenAddr, tokenAddr, tx.origin);\n\n }\n\n }\n\n\n\n function depositCompound(address _tokenAddr, address _cTokenAddr, uint _amount) internal {\n\n approveCToken(_tokenAddr, _cTokenAddr);\n\n\n\n enterMarket(_cTokenAddr);\n\n\n\n if (_tokenAddr != ETH_ADDRESS) {\n\n require(CTokenInterface(_cTokenAddr).mint(_amount) == 0, \"mint error\");\n\n } else {\n\n CEtherInterface(_cTokenAddr).mint{value: _amount}();\n\n }\n\n }\n\n\n\n function borrowCompound(address _cTokenAddr, uint _amount) internal {\n\n enterMarket(_cTokenAddr);\n\n\n\n require(CTokenInterface(_cTokenAddr).borrow(_amount) == 0);\n\n }\n\n\n\n function enterMarket(address _cTokenAddr) public {\n\n address[] memory markets = new address[](1);\n\n markets[0] = _cTokenAddr;\n\n\n\n ComptrollerInterface(COMPTROLLER_ADDR).enterMarkets(markets);\n\n }\n\n\n\n}\n\ncontract McdShifter is MCDSaverProxy {\n\n\n\n address public constant OPEN_PROXY_ACTIONS = 0x6d0984E80a86f26c0dd564ca0CF74a8E9Da03305;\n\n\n\n function getLoanAmount(uint _cdpId, address _joinAddr) public view virtual returns(uint loanAmount) {\n\n bytes32 ilk = manager.ilks(_cdpId);\n\n\n\n (, uint rate,,,) = vat.ilks(ilk);\n\n (, uint art) = vat.urns(ilk, manager.urns(_cdpId));\n\n uint dai = vat.dai(manager.urns(_cdpId));\n\n\n\n uint rad = sub(mul(art, rate), dai);\n\n loanAmount = rad / RAY;\n\n\n\n loanAmount = mul(loanAmount, RAY) < rad ? loanAmount + 1 : loanAmount;\n\n }\n\n\n\n function close(\n\n uint _cdpId,\n\n address _joinAddr,\n\n uint _loanAmount,\n\n uint _collateral\n\n ) public {\n\n address owner = getOwner(manager, _cdpId);\n\n bytes32 ilk = manager.ilks(_cdpId);\n\n (uint maxColl, ) = getCdpInfo(manager, _cdpId, ilk);\n\n\n\n // repay dai debt cdp\n\n paybackDebt(_cdpId, ilk, _loanAmount, owner);\n\n\n\n maxColl = _collateral > maxColl ? maxColl : _collateral;\n\n\n\n // withdraw collateral from cdp\n\n drawMaxCollateral(_cdpId, _joinAddr, maxColl);\n\n\n\n // send back to msg.sender\n\n if (_joinAddr == ETH_JOIN_ADDRESS) {\n\n msg.sender.transfer(address(this).balance);\n\n } else {\n\n ERC20 collToken = ERC20(getCollateralAddr(_joinAddr));\n\n collToken.transfer(msg.sender, collToken.balanceOf(address(this)));\n\n }\n\n }\n\n\n\n function open(\n\n uint _cdpId,\n\n address _joinAddr,\n\n uint _debtAmount\n\n ) public {\n\n\n\n uint collAmount = 0;\n\n\n\n if (_joinAddr == ETH_JOIN_ADDRESS) {\n\n collAmount = address(this).balance;\n\n } else {\n\n collAmount = ERC20(address(Join(_joinAddr).gem())).balanceOf(address(this));\n\n }\n\n\n\n if (_cdpId == 0) {\n\n openAndWithdraw(collAmount, _debtAmount, address(this), _joinAddr);\n\n } else {\n\n // add collateral\n\n addCollateral(_cdpId, _joinAddr, collAmount);\n\n // draw debt\n\n drawDai(_cdpId, manager.ilks(_cdpId), _debtAmount);\n\n }\n\n\n\n // transfer to repay FL\n\n ERC20(DAI_ADDRESS).transfer(msg.sender, ERC20(DAI_ADDRESS).balanceOf(address(this)));\n\n\n\n if (address(this).balance > 0) {\n\n tx.origin.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n function openAndWithdraw(uint _collAmount, uint _debtAmount, address _proxy, address _joinAddrTo) internal {\n\n bytes32 ilk = Join(_joinAddrTo).ilk();\n\n\n\n if (_joinAddrTo == ETH_JOIN_ADDRESS) {\n\n MCDCreateProxyActions(OPEN_PROXY_ACTIONS).openLockETHAndDraw{value: address(this).balance}(\n\n address(manager),\n\n JUG_ADDRESS,\n\n ETH_JOIN_ADDRESS,\n\n DAI_JOIN_ADDRESS,\n\n ilk,\n\n _debtAmount,\n\n _proxy\n\n );\n\n } else {\n\n ERC20(getCollateralAddr(_joinAddrTo)).approve(OPEN_PROXY_ACTIONS, uint256(-1));\n\n\n\n MCDCreateProxyActions(OPEN_PROXY_ACTIONS).openLockGemAndDraw(\n\n address(manager),\n\n JUG_ADDRESS,\n\n _joinAddrTo,\n\n DAI_JOIN_ADDRESS,\n\n ilk,\n\n _collAmount,\n\n _debtAmount,\n\n true,\n\n _proxy\n\n );\n\n }\n\n }\n\n\n\n\n\n function drawMaxCollateral(uint _cdpId, address _joinAddr, uint _amount) internal returns (uint) {\n\n manager.frob(_cdpId, -toPositiveInt(_amount), 0);\n\n manager.flux(_cdpId, address(this), _amount);\n\n\n\n uint joinAmount = _amount;\n\n\n\n if (Join(_joinAddr).dec() != 18) {\n\n joinAmount = _amount / (10 ** (18 - Join(_joinAddr).dec()));\n\n }\n\n\n\n Join(_joinAddr).exit(address(this), joinAmount);\n\n\n\n if (_joinAddr == ETH_JOIN_ADDRESS) {\n\n Join(_joinAddr).gem().withdraw(joinAmount); // Weth -> Eth\n\n }\n\n\n\n return joinAmount;\n\n }\n\n\n\n}\n\ncontract AaveSaverProxy is GasBurner, SaverExchangeCore, AaveHelper {\n\n\n\n\taddress public constant DEFISAVER_LOGGER = 0x5c55B921f590a89C1Ebe84dF170E655a82b62126;\n\n\n\n uint public constant VARIABLE_RATE = 2;\n\n\n\n\tfunction repay(ExchangeData memory _data, uint _gasCost) public payable burnGas(20) {\n\n\n\n\t\taddress lendingPoolCore = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n\t\taddress lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\t\taddress payable user = payable(getUserAddress());\n\n\n\n\t\tuint256 maxCollateral = getMaxCollateral(_data.srcAddr, address(this));\n\n\t\t// don't swap more than maxCollateral\n\n\t\t_data.srcAmount = _data.srcAmount > maxCollateral ? maxCollateral : _data.srcAmount;\n\n\n\n\t\t// redeem collateral\n\n\t\taddress aTokenCollateral = ILendingPool(lendingPoolCore).getReserveATokenAddress(_data.srcAddr);\n\n\t\tIAToken(aTokenCollateral).redeem(_data.srcAmount);\n\n\n\n\t\t// swap\n\n\t\t(, uint256 destAmount) = _sell(_data);\n\n\n\n\t\tdestAmount -= getFee(destAmount, user, _gasCost, _data.destAddr);\n\n\n\n\t\t// payback\n\n\t\tif (_data.destAddr == ETH_ADDR) {\n\n\t\t\tILendingPool(lendingPool).repay{value: destAmount}(_data.destAddr, destAmount, payable(address(this)));\n\n\t\t} else {\n\n\t\t\tapproveToken(_data.destAddr, lendingPoolCore);\n\n\t\t\tILendingPool(lendingPool).repay(_data.destAddr, destAmount, payable(address(this)));\n\n\t\t}\n\n\n\n\t\t// first return 0x fee to msg.sender as it is the address that actually sent 0x fee\n\n\t\tsendContractBalance(ETH_ADDR, msg.sender, min(address(this).balance, msg.value));\n\n\t\t// send all leftovers from dest addr to proxy owner\n\n\t\tsendFullContractBalance(_data.destAddr, user);\n\n\n\n\t\tDefisaverLogger(DEFISAVER_LOGGER).Log(address(this), msg.sender, \"AaveRepay\", abi.encode(_data.srcAddr, _data.destAddr, _data.srcAmount, destAmount));\n\n\t}\n\n\n\n\tfunction boost(ExchangeData memory _data, uint _gasCost) public payable burnGas(20) {\n\n\t\taddress lendingPoolCore = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPoolCore();\n\n\t\taddress lendingPool = ILendingPoolAddressesProvider(AAVE_LENDING_POOL_ADDRESSES).getLendingPool();\n\n\t\t(,,,,,,,,,bool collateralEnabled) = ILendingPool(lendingPool).getUserReserveData(_data.destAddr, address(this));\n\n\t\taddress payable user = payable(getUserAddress());\n\n\n\n\t\tuint256 maxBorrow = getMaxBorrow(_data.srcAddr, address(this));\n\n\t\t_data.srcAmount = _data.srcAmount > maxBorrow ? maxBorrow : _data.srcAmount;\n\n\n\n\t\t// borrow amount\n\n\t\tILendingPool(lendingPool).borrow(_data.srcAddr, _data.srcAmount, VARIABLE_RATE, AAVE_REFERRAL_CODE);\n\n\t\t_data.srcAmount -= getFee(_data.srcAmount, user, _gasCost, _data.srcAddr);\n\n\n\n\t\t// swap\n\n\t\t(, uint256 destAmount) = _sell(_data);\n\n\n\n\t\tif (_data.destAddr == ETH_ADDR) {\n\n\t\t\tILendingPool(lendingPool).deposit{value: destAmount}(_data.destAddr, destAmount, AAVE_REFERRAL_CODE);\n\n\t\t} else {\n\n\t\t\tapproveToken(_data.destAddr, lendingPoolCore);\n\n\t\t\tILendingPool(lendingPool).deposit(_data.destAddr, destAmount, AAVE_REFERRAL_CODE);\n\n\t\t}\n\n\n\n\t\tif (!collateralEnabled) {\n\n ILendingPool(lendingPool).setUserUseReserveAsCollateral(_data.destAddr, true);\n\n }\n\n\n\n\t\t// returning to msg.sender as it is the address that actually sent 0x fee\n\n\t\tsendContractBalance(ETH_ADDR, msg.sender, min(address(this).balance, msg.value));\n\n\t\t// send all leftovers from dest addr to proxy owner\n\n\t\tsendFullContractBalance(_data.destAddr, user);\n\n\n\n\t\tDefisaverLogger(DEFISAVER_LOGGER).Log(address(this), msg.sender, \"AaveBoost\", abi.encode(_data.srcAddr, _data.destAddr, _data.srcAmount, destAmount));\n\n\t}\n\n}\n\ncontract CompoundLoanInfo is CompoundSafetyRatio {\n\n\n\n struct LoanData {\n\n address user;\n\n uint128 ratio;\n\n address[] collAddr;\n\n address[] borrowAddr;\n\n uint[] collAmounts;\n\n uint[] borrowAmounts;\n\n }\n\n\n\n struct TokenInfo {\n\n address cTokenAddress;\n\n address underlyingTokenAddress;\n\n uint collateralFactor;\n\n uint price;\n\n }\n\n\n\n struct TokenInfoFull {\n\n address underlyingTokenAddress;\n\n uint supplyRate;\n\n uint borrowRate;\n\n uint exchangeRate;\n\n uint marketLiquidity;\n\n uint totalSupply;\n\n uint totalBorrow;\n\n uint collateralFactor;\n\n uint price;\n\n }\n\n\n\n address public constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n address public constant CETH_ADDRESS = 0x4Ddc2D193948926D02f9B1fE9e1daa0718270ED5;\n\n\n\n\n\n /// @notice Calcualted the ratio of coll/debt for a compound user\n\n /// @param _user Address of the user\n\n function getRatio(address _user) public view returns (uint) {\n\n // For each asset the account is in\n\n return getSafetyRatio(_user);\n\n }\n\n\n\n /// @notice Fetches Compound prices for tokens\n\n /// @param _cTokens Arr. of cTokens for which to get the prices\n\n /// @return prices Array of prices\n\n function getPrices(address[] memory _cTokens) public view returns (uint[] memory prices) {\n\n prices = new uint[](_cTokens.length);\n\n address oracleAddr = comp.oracle();\n\n\n\n for (uint i = 0; i < _cTokens.length; ++i) {\n\n prices[i] = CompoundOracleInterface(oracleAddr).getUnderlyingPrice(_cTokens[i]);\n\n }\n\n }\n\n\n\n /// @notice Fetches Compound collateral factors for tokens\n\n /// @param _cTokens Arr. of cTokens for which to get the coll. factors\n\n /// @return collFactors Array of coll. factors\n\n function getCollFactors(address[] memory _cTokens) public view returns (uint[] memory collFactors) {\n\n collFactors = new uint[](_cTokens.length);\n\n\n\n for (uint i = 0; i < _cTokens.length; ++i) {\n\n (, collFactors[i]) = comp.markets(_cTokens[i]);\n\n }\n\n }\n\n\n\n /// @notice Fetches all the collateral/debt address and amounts, denominated in usd\n\n /// @param _user Address of the user\n\n /// @return data LoanData information\n\n function getLoanData(address _user) public view returns (LoanData memory data) {\n\n address[] memory assets = comp.getAssetsIn(_user);\n\n address oracleAddr = comp.oracle();\n\n\n\n data = LoanData({\n\n user: _user,\n\n ratio: 0,\n\n collAddr: new address[](assets.length),\n\n borrowAddr: new address[](assets.length),\n\n collAmounts: new uint[](assets.length),\n\n borrowAmounts: new uint[](assets.length)\n\n });\n\n\n\n uint collPos = 0;\n\n uint borrowPos = 0;\n\n\n\n for (uint i = 0; i < assets.length; i++) {\n\n address asset = assets[i];\n\n\n\n (, uint cTokenBalance, uint borrowBalance, uint exchangeRateMantissa)\n\n = CTokenInterface(asset).getAccountSnapshot(_user);\n\n\n\n Exp memory oraclePrice;\n\n\n\n if (cTokenBalance != 0 || borrowBalance != 0) {\n\n oraclePrice = Exp({mantissa: CompoundOracleInterface(oracleAddr).getUnderlyingPrice(asset)});\n\n }\n\n\n\n // Sum up collateral in Usd\n\n if (cTokenBalance != 0) {\n\n Exp memory exchangeRate = Exp({mantissa: exchangeRateMantissa});\n\n (, Exp memory tokensToUsd) = mulExp(exchangeRate, oraclePrice);\n\n\n\n data.collAddr[collPos] = asset;\n\n (, data.collAmounts[collPos]) = mulScalarTruncate(tokensToUsd, cTokenBalance);\n\n collPos++;\n\n }\n\n\n\n // Sum up debt in Usd\n\n if (borrowBalance != 0) {\n\n data.borrowAddr[borrowPos] = asset;\n\n (, data.borrowAmounts[borrowPos]) = mulScalarTruncate(oraclePrice, borrowBalance);\n\n borrowPos++;\n\n }\n\n }\n\n\n\n data.ratio = uint128(getSafetyRatio(_user));\n\n\n\n return data;\n\n }\n\n\n\n function getTokenBalances(address _user, address[] memory _cTokens) public view returns (uint[] memory balances, uint[] memory borrows) {\n\n balances = new uint[](_cTokens.length);\n\n borrows = new uint[](_cTokens.length);\n\n\n\n for (uint i = 0; i < _cTokens.length; i++) {\n\n address asset = _cTokens[i];\n\n\n\n (, uint cTokenBalance, uint borrowBalance, uint exchangeRateMantissa)\n\n = CTokenInterface(asset).getAccountSnapshot(_user);\n\n\n\n Exp memory exchangeRate = Exp({mantissa: exchangeRateMantissa});\n\n (, balances[i]) = mulScalarTruncate(exchangeRate, cTokenBalance);\n\n\n\n borrows[i] = borrowBalance;\n\n }\n\n\n\n }\n\n\n\n /// @notice Fetches all the collateral/debt address and amounts, denominated in usd\n\n /// @param _users Addresses of the user\n\n /// @return loans Array of LoanData information\n\n function getLoanDataArr(address[] memory _users) public view returns (LoanData[] memory loans) {\n\n loans = new LoanData[](_users.length);\n\n\n\n for (uint i = 0; i < _users.length; ++i) {\n\n loans[i] = getLoanData(_users[i]);\n\n }\n\n }\n\n\n\n /// @notice Calcualted the ratio of coll/debt for a compound user\n\n /// @param _users Addresses of the user\n\n /// @return ratios Array of ratios\n\n function getRatios(address[] memory _users) public view returns (uint[] memory ratios) {\n\n ratios = new uint[](_users.length);\n\n\n\n for (uint i = 0; i < _users.length; ++i) {\n\n ratios[i] = getSafetyRatio(_users[i]);\n\n }\n\n }\n\n\n\n /// @notice Information about cTokens\n\n /// @param _cTokenAddresses Array of cTokens addresses\n\n /// @return tokens Array of cTokens infomartion\n\n function getTokensInfo(address[] memory _cTokenAddresses) public returns(TokenInfo[] memory tokens) {\n\n tokens = new TokenInfo[](_cTokenAddresses.length);\n\n address oracleAddr = comp.oracle();\n\n\n\n for (uint i = 0; i < _cTokenAddresses.length; ++i) {\n\n (, uint collFactor) = comp.markets(_cTokenAddresses[i]);\n\n\n\n tokens[i] = TokenInfo({\n\n cTokenAddress: _cTokenAddresses[i],\n\n underlyingTokenAddress: getUnderlyingAddr(_cTokenAddresses[i]),\n\n collateralFactor: collFactor,\n\n price: CompoundOracleInterface(oracleAddr).getUnderlyingPrice(_cTokenAddresses[i])\n\n });\n\n }\n\n }\n\n\n\n /// @notice Information about cTokens\n\n /// @param _cTokenAddresses Array of cTokens addresses\n\n /// @return tokens Array of cTokens infomartion\n\n function getFullTokensInfo(address[] memory _cTokenAddresses) public returns(TokenInfoFull[] memory tokens) {\n\n tokens = new TokenInfoFull[](_cTokenAddresses.length);\n\n address oracleAddr = comp.oracle();\n\n\n\n for (uint i = 0; i < _cTokenAddresses.length; ++i) {\n\n (, uint collFactor) = comp.markets(_cTokenAddresses[i]);\n\n CTokenInterface cToken = CTokenInterface(_cTokenAddresses[i]);\n\n\n\n tokens[i] = TokenInfoFull({\n\n underlyingTokenAddress: getUnderlyingAddr(_cTokenAddresses[i]),\n\n supplyRate: cToken.supplyRatePerBlock(),\n\n borrowRate: cToken.borrowRatePerBlock(),\n\n exchangeRate: cToken.exchangeRateCurrent(),\n\n marketLiquidity: cToken.getCash(),\n\n totalSupply: cToken.totalSupply(),\n\n totalBorrow: cToken.totalBorrowsCurrent(),\n\n collateralFactor: collFactor,\n\n price: CompoundOracleInterface(oracleAddr).getUnderlyingPrice(_cTokenAddresses[i])\n\n });\n\n }\n\n }\n\n\n\n /// @notice Returns the underlying address of the cToken asset\n\n /// @param _cTokenAddress cToken address\n\n /// @return Token address of the cToken specified\n\n function getUnderlyingAddr(address _cTokenAddress) internal returns (address) {\n\n if (_cTokenAddress == CETH_ADDRESS) {\n\n return ETH_ADDRESS;\n\n } else {\n\n return CTokenInterface(_cTokenAddress).underlying();\n\n }\n\n }\n\n}\n\ncontract CompoundCreateReceiver is FlashLoanReceiverBase, SaverExchangeCore {\n\n\n\n ILendingPoolAddressesProvider public LENDING_POOL_ADDRESS_PROVIDER = ILendingPoolAddressesProvider(0x24a42fD28C976A61Df5D00D0599C34c4f90748c8);\n\n ShifterRegistry public constant shifterRegistry = ShifterRegistry(0x2E82103bD91053C781aaF39da17aE58ceE39d0ab);\n\n\n\n address public constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n address payable public constant WALLET_ADDR = 0x322d58b9E75a6918f7e7849AEe0fF09369977e08;\n\n address public constant DISCOUNT_ADDR = 0x1b14E8D511c9A4395425314f849bD737BAF8208F;\n\n\n\n // solhint-disable-next-line no-empty-blocks\n\n constructor() public FlashLoanReceiverBase(LENDING_POOL_ADDRESS_PROVIDER) {}\n\n\n\n /// @notice Called by Aave when sending back the FL amount\n\n /// @param _reserve The address of the borrowed token\n\n /// @param _amount Amount of FL tokens received\n\n /// @param _fee FL Aave fee\n\n /// @param _params The params that are sent from the original FL caller contract\n\n function executeOperation(\n\n address _reserve,\n\n uint256 _amount,\n\n uint256 _fee,\n\n bytes calldata _params)\n\n external override {\n\n // Format the call data for DSProxy\n\n (address payable proxyAddr, bytes memory proxyData, ExchangeData memory exchangeData)\n\n = packFunctionCall(_amount, _fee, _params);\n\n\n\n // Swap\n\n (, uint sellAmount) = _sell(exchangeData);\n\n\n\n // DFS fee\n\n getFee(sellAmount, exchangeData.destAddr, proxyAddr);\n\n\n\n // Send amount to DSProxy\n\n sendToProxy(proxyAddr, exchangeData.destAddr);\n\n\n\n address compOpenProxy = shifterRegistry.getAddr(\"COMP_SHIFTER\");\n\n\n\n // Execute the DSProxy call\n\n DSProxyInterface(proxyAddr).execute(compOpenProxy, proxyData);\n\n\n\n // Repay the loan with the money DSProxy sent back\n\n transferFundsBackToPoolInternal(_reserve, _amount.add(_fee));\n\n\n\n // if there is some eth left (0x fee), return it to user\n\n if (address(this).balance > 0) {\n\n // solhint-disable-next-line avoid-tx-origin\n\n tx.origin.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n /// @notice Formats function data call so we can call it through DSProxy\n\n /// @param _amount Amount of FL\n\n /// @param _fee Fee of the FL\n\n /// @param _params Saver proxy params\n\n function packFunctionCall(uint _amount, uint _fee, bytes memory _params) internal pure returns (address payable, bytes memory proxyData, ExchangeData memory exchangeData) {\n\n (\n\n uint[4] memory numData, // srcAmount, destAmount, minPrice, price0x\n\n address[6] memory cAddresses, // cCollAddr, cDebtAddr, srcAddr, destAddr, exchangeAddr, wrapper\n\n bytes memory callData,\n\n address proxy\n\n )\n\n = abi.decode(_params, (uint256[4],address[6],bytes,address));\n\n\n\n proxyData = abi.encodeWithSignature(\n\n \"open(address,address,uint256)\",\n\n cAddresses[0], cAddresses[1], (_amount + _fee));\n\n\n\n exchangeData = SaverExchangeCore.ExchangeData({\n\n srcAddr: cAddresses[2],\n\n destAddr: cAddresses[3],\n\n srcAmount: numData[0],\n\n destAmount: numData[1],\n\n minPrice: numData[2],\n\n wrapper: cAddresses[5],\n\n exchangeAddr: cAddresses[4],\n\n callData: callData,\n\n price0x: numData[3]\n\n });\n\n\n\n return (payable(proxy), proxyData, exchangeData);\n\n }\n\n\n\n /// @notice Send the FL funds received to DSProxy\n\n /// @param _proxy DSProxy address\n\n /// @param _reserve Token address\n\n function sendToProxy(address payable _proxy, address _reserve) internal {\n\n if (_reserve != ETH_ADDRESS) {\n\n ERC20(_reserve).safeTransfer(_proxy, ERC20(_reserve).balanceOf(address(this)));\n\n } else {\n\n _proxy.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n function getFee(uint _amount, address _tokenAddr, address _proxy) internal returns (uint feeAmount) {\n\n uint fee = 400;\n\n\n\n DSProxy proxy = DSProxy(payable(_proxy));\n\n address user = proxy.owner();\n\n\n\n if (Discount(DISCOUNT_ADDR).isCustomFeeSet(user)) {\n\n fee = Discount(DISCOUNT_ADDR).getCustomServiceFee(user);\n\n }\n\n\n\n feeAmount = (fee == 0) ? 0 : (_amount / fee);\n\n\n\n // fee can't go over 20% of the whole amount\n\n if (feeAmount > (_amount / 5)) {\n\n feeAmount = _amount / 5;\n\n }\n\n\n\n if (_tokenAddr == ETH_ADDRESS) {\n\n WALLET_ADDR.transfer(feeAmount);\n\n } else {\n\n ERC20(_tokenAddr).safeTransfer(WALLET_ADDR, feeAmount);\n\n }\n\n }\n\n\n\n // solhint-disable-next-line no-empty-blocks\n\n receive() external override(FlashLoanReceiverBase, SaverExchangeCore) payable {}\n\n}\n\ncontract CompoundSaverFlashLoan is FlashLoanReceiverBase, SaverExchangeCore {\n\n ILendingPoolAddressesProvider public LENDING_POOL_ADDRESS_PROVIDER = ILendingPoolAddressesProvider(0x24a42fD28C976A61Df5D00D0599C34c4f90748c8);\n\n\n\n address payable public COMPOUND_SAVER_FLASH_PROXY = 0xBcEAb469CbBA225E9dc9Cbd898808A4742687096;\n\n address public constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n\n\n\n address public owner;\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n constructor()\n\n FlashLoanReceiverBase(LENDING_POOL_ADDRESS_PROVIDER)\n\n public {\n\n owner = msg.sender;\n\n }\n\n\n\n /// @notice Called by Aave when sending back the FL amount\n\n /// @param _reserve The address of the borrowed token\n\n /// @param _amount Amount of FL tokens received\n\n /// @param _fee FL Aave fee\n\n /// @param _params The params that are sent from the original FL caller contract\n\n function executeOperation(\n\n address _reserve,\n\n uint256 _amount,\n\n uint256 _fee,\n\n bytes calldata _params)\n\n external override {\n\n // Format the call data for DSProxy\n\n (bytes memory proxyData, address payable proxyAddr) = packFunctionCall(_amount, _fee, _params);\n\n\n\n // Send Flash loan amount to DSProxy\n\n sendLoanToProxy(proxyAddr, _reserve, _amount);\n\n\n\n // Execute the DSProxy call\n\n DSProxyInterface(proxyAddr).execute(COMPOUND_SAVER_FLASH_PROXY, proxyData);\n\n\n\n // Repay the loan with the money DSProxy sent back\n\n transferFundsBackToPoolInternal(_reserve, _amount.add(_fee));\n\n\n\n // if there is some eth left (0x fee), return it to user\n\n if (address(this).balance > 0) {\n\n tx.origin.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n /// @notice Formats function data call so we can call it through DSProxy\n\n /// @param _amount Amount of FL\n\n /// @param _fee Fee of the FL\n\n /// @param _params Saver proxy params\n\n /// @return proxyData Formated function call data\n\n function packFunctionCall(uint _amount, uint _fee, bytes memory _params) internal pure returns (bytes memory proxyData, address payable) {\n\n (\n\n bytes memory exDataBytes,\n\n address[2] memory cAddresses, // cCollAddress, cBorrowAddress\n\n uint256 gasCost,\n\n bool isRepay,\n\n address payable proxyAddr\n\n )\n\n = abi.decode(_params, (bytes,address[2],uint256,bool,address));\n\n\n\n ExchangeData memory _exData = unpackExchangeData(exDataBytes);\n\n\n\n uint[2] memory flashLoanData = [_amount, _fee];\n\n\n\n if (isRepay) {\n\n proxyData = abi.encodeWithSignature(\"flashRepay((address,address,uint256,uint256,uint256,address,address,bytes,uint256),address[2],uint256,uint256[2])\", _exData, cAddresses, gasCost, flashLoanData);\n\n } else {\n\n proxyData = abi.encodeWithSignature(\"flashBoost((address,address,uint256,uint256,uint256,address,address,bytes,uint256),address[2],uint256,uint256[2])\", _exData, cAddresses, gasCost, flashLoanData);\n\n }\n\n\n\n return (proxyData, proxyAddr);\n\n }\n\n\n\n /// @notice Send the FL funds received to DSProxy\n\n /// @param _proxy DSProxy address\n\n /// @param _reserve Token address\n\n /// @param _amount Amount of tokens\n\n function sendLoanToProxy(address payable _proxy, address _reserve, uint _amount) internal {\n\n if (_reserve != ETH_ADDRESS) {\n\n ERC20(_reserve).safeTransfer(_proxy, _amount);\n\n }\n\n\n\n _proxy.transfer(address(this).balance);\n\n }\n\n\n\n receive() external override(SaverExchangeCore, FlashLoanReceiverBase) payable {}\n\n}\n\ncontract CompoundSaverFlashProxy is SaverExchangeCore, CompoundSaverHelper {\n\n\n\n address public constant DEFISAVER_LOGGER = 0x5c55B921f590a89C1Ebe84dF170E655a82b62126;\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n /// @notice Repays the position and sends tokens back for FL\n\n /// @param _exData Exchange data\n\n /// @param _cAddresses cTokens addreses and exchange [cCollAddress, cBorrowAddress]\n\n /// @param _gasCost Gas cost for transaction\n\n /// @param _flashLoanData Data about FL [amount, fee]\n\n function flashRepay(\n\n ExchangeData memory _exData,\n\n address[2] memory _cAddresses, // cCollAddress, cBorrowAddress\n\n uint256 _gasCost,\n\n uint[2] memory _flashLoanData // amount, fee\n\n ) public payable {\n\n enterMarket(_cAddresses[0], _cAddresses[1]);\n\n\n\n address payable user = payable(getUserAddress());\n\n uint flashBorrowed = _flashLoanData[0] + _flashLoanData[1];\n\n\n\n uint maxColl = getMaxCollateral(_cAddresses[0], address(this));\n\n\n\n // draw max coll\n\n require(CTokenInterface(_cAddresses[0]).redeemUnderlying(maxColl) == 0);\n\n\n\n address collToken = getUnderlyingAddr(_cAddresses[0]);\n\n address borrowToken = getUnderlyingAddr(_cAddresses[1]);\n\n\n\n uint swapAmount = 0;\n\n\n\n if (collToken != borrowToken) {\n\n // swap max coll + loanAmount\n\n (,swapAmount) = _sell(_exData);\n\n\n\n // get fee\n\n swapAmount -= getFee(swapAmount, user, _gasCost, _cAddresses[1]);\n\n } else {\n\n swapAmount = (maxColl + _flashLoanData[0]);\n\n swapAmount -= getGasCost(swapAmount, _gasCost, _cAddresses[1]);\n\n }\n\n\n\n // payback debt\n\n paybackDebt(swapAmount, _cAddresses[1], borrowToken, user);\n\n\n\n // draw collateral for loanAmount + loanFee\n\n require(CTokenInterface(_cAddresses[0]).redeemUnderlying(flashBorrowed) == 0);\n\n\n\n // repay flash loan\n\n returnFlashLoan(collToken, flashBorrowed);\n\n\n\n DefisaverLogger(DEFISAVER_LOGGER).Log(address(this), msg.sender, \"CompoundRepay\", abi.encode(_exData.srcAmount, swapAmount, collToken, borrowToken));\n\n }\n\n\n\n /// @notice Boosts the position and sends tokens back for FL\n\n /// @param _exData Exchange data\n\n /// @param _cAddresses cTokens addreses and exchange [cCollAddress, cBorrowAddress]\n\n /// @param _gasCost Gas cost for specific transaction\n\n /// @param _flashLoanData Data about FL [amount, fee]\n\n function flashBoost(\n\n ExchangeData memory _exData,\n\n address[2] memory _cAddresses, // cCollAddress, cBorrowAddress\n\n uint256 _gasCost,\n\n uint[2] memory _flashLoanData // amount, fee\n\n ) public payable {\n\n enterMarket(_cAddresses[0], _cAddresses[1]);\n\n\n\n address payable user = payable(getUserAddress());\n\n uint flashBorrowed = _flashLoanData[0] + _flashLoanData[1];\n\n\n\n // borrow max amount\n\n uint borrowAmount = getMaxBorrow(_cAddresses[1], address(this));\n\n require(CTokenInterface(_cAddresses[1]).borrow(borrowAmount) == 0);\n\n\n\n address collToken = getUnderlyingAddr(_cAddresses[0]);\n\n address borrowToken = getUnderlyingAddr(_cAddresses[1]);\n\n\n\n uint swapAmount = 0;\n\n\n\n if (collToken != borrowToken) {\n\n // get dfs fee\n\n borrowAmount -= getFee((borrowAmount + _flashLoanData[0]), user, _gasCost, _cAddresses[1]);\n\n _exData.srcAmount = (borrowAmount + _flashLoanData[0]);\n\n\n\n (,swapAmount) = _sell(_exData);\n\n } else {\n\n swapAmount = (borrowAmount + _flashLoanData[0]);\n\n swapAmount -= getGasCost(swapAmount, _gasCost, _cAddresses[1]);\n\n }\n\n\n\n // deposit swaped collateral\n\n depositCollateral(collToken, _cAddresses[0], swapAmount);\n\n\n\n // borrow token to repay flash loan\n\n require(CTokenInterface(_cAddresses[1]).borrow(flashBorrowed) == 0);\n\n\n\n // repay flash loan\n\n returnFlashLoan(borrowToken, flashBorrowed);\n\n\n\n DefisaverLogger(DEFISAVER_LOGGER).Log(address(this), msg.sender, \"CompoundBoost\", abi.encode(_exData.srcAmount, swapAmount, collToken, borrowToken));\n\n }\n\n\n\n /// @notice Helper method to deposit tokens in Compound\n\n /// @param _collToken Token address of the collateral\n\n /// @param _cCollToken CToken address of the collateral\n\n /// @param _depositAmount Amount to deposit\n\n function depositCollateral(address _collToken, address _cCollToken, uint _depositAmount) internal {\n\n approveCToken(_collToken, _cCollToken);\n\n\n\n if (_collToken != ETH_ADDRESS) {\n\n require(CTokenInterface(_cCollToken).mint(_depositAmount) == 0);\n\n } else {\n\n CEtherInterface(_cCollToken).mint{value: _depositAmount}(); // reverts on fail\n\n }\n\n }\n\n\n\n /// @notice Returns the tokens/ether to the msg.sender which is the FL contract\n\n /// @param _tokenAddr Address of token which we return\n\n /// @param _amount Amount to return\n\n function returnFlashLoan(address _tokenAddr, uint _amount) internal {\n\n if (_tokenAddr != ETH_ADDRESS) {\n\n ERC20(_tokenAddr).safeTransfer(msg.sender, _amount);\n\n }\n\n\n\n msg.sender.transfer(address(this).balance);\n\n }\n\n\n\n}\n\ncontract CompoundSaverProxy is CompoundSaverHelper, SaverExchangeCore {\n\n\n\n DefisaverLogger public constant logger = DefisaverLogger(0x5c55B921f590a89C1Ebe84dF170E655a82b62126);\n\n\n\n /// @notice Withdraws collateral, converts to borrowed token and repays debt\n\n /// @dev Called through the DSProxy\n\n /// @param _exData Exchange data\n\n /// @param _cAddresses Coll/Debt addresses [cCollAddress, cBorrowAddress]\n\n /// @param _gasCost Gas cost for specific transaction\n\n function repay(\n\n ExchangeData memory _exData,\n\n address[2] memory _cAddresses, // cCollAddress, cBorrowAddress\n\n uint256 _gasCost\n\n ) public payable {\n\n enterMarket(_cAddresses[0], _cAddresses[1]);\n\n\n\n address payable user = payable(getUserAddress());\n\n\n\n uint maxColl = getMaxCollateral(_cAddresses[0], address(this));\n\n\n\n uint collAmount = (_exData.srcAmount > maxColl) ? maxColl : _exData.srcAmount;\n\n\n\n require(CTokenInterface(_cAddresses[0]).redeemUnderlying(collAmount) == 0);\n\n\n\n address collToken = getUnderlyingAddr(_cAddresses[0]);\n\n address borrowToken = getUnderlyingAddr(_cAddresses[1]);\n\n\n\n uint swapAmount = 0;\n\n\n\n if (collToken != borrowToken) {\n\n (, swapAmount) = _sell(_exData);\n\n swapAmount -= getFee(swapAmount, user, _gasCost, _cAddresses[1]);\n\n } else {\n\n swapAmount = collAmount;\n\n swapAmount -= getGasCost(swapAmount, _gasCost, _cAddresses[1]);\n\n }\n\n\n\n paybackDebt(swapAmount, _cAddresses[1], borrowToken, user);\n\n\n\n // handle 0x fee\n\n tx.origin.transfer(address(this).balance);\n\n\n\n // log amount, collToken, borrowToken\n\n logger.Log(address(this), msg.sender, \"CompoundRepay\", abi.encode(_exData.srcAmount, swapAmount, collToken, borrowToken));\n\n }\n\n\n\n /// @notice Borrows token, converts to collateral, and adds to position\n\n /// @dev Called through the DSProxy\n\n /// @param _exData Exchange data\n\n /// @param _cAddresses Coll/Debt addresses [cCollAddress, cBorrowAddress]\n\n /// @param _gasCost Gas cost for specific transaction\n\n function boost(\n\n ExchangeData memory _exData,\n\n address[2] memory _cAddresses, // cCollAddress, cBorrowAddress\n\n uint256 _gasCost\n\n ) public payable {\n\n enterMarket(_cAddresses[0], _cAddresses[1]);\n\n\n\n address payable user = payable(getUserAddress());\n\n\n\n uint maxBorrow = getMaxBorrow(_cAddresses[1], address(this));\n\n uint borrowAmount = (_exData.srcAmount > maxBorrow) ? maxBorrow : _exData.srcAmount;\n\n\n\n require(CTokenInterface(_cAddresses[1]).borrow(borrowAmount) == 0);\n\n\n\n address collToken = getUnderlyingAddr(_cAddresses[0]);\n\n address borrowToken = getUnderlyingAddr(_cAddresses[1]);\n\n\n\n uint swapAmount = 0;\n\n\n\n if (collToken != borrowToken) {\n\n borrowAmount -= getFee(borrowAmount, user, _gasCost, _cAddresses[1]);\n\n\n\n _exData.srcAmount = borrowAmount;\n\n (,swapAmount) = _sell(_exData);\n\n } else {\n\n swapAmount = borrowAmount;\n\n swapAmount -= getGasCost(swapAmount, _gasCost, _cAddresses[1]);\n\n }\n\n\n\n approveCToken(collToken, _cAddresses[0]);\n\n\n\n if (collToken != ETH_ADDRESS) {\n\n require(CTokenInterface(_cAddresses[0]).mint(swapAmount) == 0);\n\n } else {\n\n CEtherInterface(_cAddresses[0]).mint{value: swapAmount}(); // reverts on fail\n\n }\n\n\n\n // handle 0x fee\n\n tx.origin.transfer(address(this).balance);\n\n\n\n // log amount, collToken, borrowToken\n\n logger.Log(address(this), msg.sender, \"CompoundBoost\", abi.encode(_exData.srcAmount, swapAmount, collToken, borrowToken));\n\n }\n\n\n\n}\n\ncontract SaverExchange is SaverExchangeCore, AdminAuth, GasBurner {\n\n\n\n using SafeERC20 for ERC20;\n\n\n\n uint256 public constant SERVICE_FEE = 800; // 0.125% Fee\n\n\n\n // solhint-disable-next-line const-name-snakecase\n\n DefisaverLogger public constant logger = DefisaverLogger(0x5c55B921f590a89C1Ebe84dF170E655a82b62126);\n\n\n\n uint public burnAmount = 10;\n\n\n\n /// @notice Takes a src amount of tokens and converts it into the dest token\n\n /// @dev Takes fee from the _srcAmount before the exchange\n\n /// @param exData [srcAddr, destAddr, srcAmount, destAmount, minPrice, exchangeType, exchangeAddr, callData, price0x]\n\n /// @param _user User address who called the exchange\n\n function sell(ExchangeData memory exData, address payable _user) public payable burnGas(burnAmount) {\n\n\n\n // take fee\n\n uint dfsFee = getFee(exData.srcAmount, exData.srcAddr);\n\n exData.srcAmount = sub(exData.srcAmount, dfsFee);\n\n\n\n // Perform the exchange\n\n (address wrapper, uint destAmount) = _sell(exData);\n\n\n\n // send back any leftover ether or tokens\n\n sendLeftover(exData.srcAddr, exData.destAddr, _user);\n\n\n\n // log the event\n\n logger.Log(address(this), msg.sender, \"ExchangeSell\", abi.encode(wrapper, exData.srcAddr, exData.destAddr, exData.srcAmount, destAmount));\n\n }\n\n\n\n /// @notice Takes a dest amount of tokens and converts it from the src token\n\n /// @dev Send always more than needed for the swap, extra will be returned\n\n /// @param exData [srcAddr, destAddr, srcAmount, destAmount, minPrice, exchangeType, exchangeAddr, callData, price0x]\n\n /// @param _user User address who called the exchange\n\n function buy(ExchangeData memory exData, address payable _user) public payable burnGas(burnAmount){\n\n\n\n uint dfsFee = getFee(exData.srcAmount, exData.srcAddr);\n\n exData.srcAmount = sub(exData.srcAmount, dfsFee);\n\n\n\n // Perform the exchange\n\n (address wrapper, uint srcAmount) = _buy(exData);\n\n\n\n // send back any leftover ether or tokens\n\n sendLeftover(exData.srcAddr, exData.destAddr, _user);\n\n\n\n // log the event\n\n logger.Log(address(this), msg.sender, \"ExchangeBuy\", abi.encode(wrapper, exData.srcAddr, exData.destAddr, srcAmount, exData.destAmount));\n\n\n\n }\n\n\n\n /// @notice Takes a feePercentage and sends it to wallet\n\n /// @param _amount Dai amount of the whole trade\n\n /// @param _token Address of the token\n\n /// @return feeAmount Amount in Dai owner earned on the fee\n\n function getFee(uint256 _amount, address _token) internal returns (uint256 feeAmount) {\n\n uint256 fee = SERVICE_FEE;\n\n\n\n if (Discount(DISCOUNT_ADDRESS).isCustomFeeSet(msg.sender)) {\n\n fee = Discount(DISCOUNT_ADDRESS).getCustomServiceFee(msg.sender);\n\n }\n\n\n\n if (fee == 0) {\n\n feeAmount = 0;\n\n } else {\n\n feeAmount = _amount / fee;\n\n if (_token == KYBER_ETH_ADDRESS) {\n\n WALLET_ID.transfer(feeAmount);\n\n } else {\n\n ERC20(_token).safeTransfer(WALLET_ID, feeAmount);\n\n }\n\n }\n\n }\n\n\n\n /// @notice Changes the amount of gas token we burn for each call\n\n /// @dev Only callable by the owner\n\n /// @param _newBurnAmount New amount of gas tokens to be burned\n\n function changeBurnAmount(uint _newBurnAmount) public {\n\n require(owner == msg.sender);\n\n\n\n burnAmount = _newBurnAmount;\n\n }\n\n\n\n}\n\ncontract MCDSaverFlashLoan is MCDSaverProxy, AdminAuth, FlashLoanReceiverBase {\n\n\n\n ILendingPoolAddressesProvider public LENDING_POOL_ADDRESS_PROVIDER = ILendingPoolAddressesProvider(0x24a42fD28C976A61Df5D00D0599C34c4f90748c8);\n\n\n\n constructor() FlashLoanReceiverBase(LENDING_POOL_ADDRESS_PROVIDER) public {}\n\n\n\n struct SaverData {\n\n uint cdpId;\n\n uint gasCost;\n\n uint loanAmount;\n\n uint fee;\n\n address joinAddr;\n\n }\n\n\n\n function executeOperation(\n\n address _reserve,\n\n uint256 _amount,\n\n uint256 _fee,\n\n bytes calldata _params)\n\n external override {\n\n\n\n //check the contract has the specified balance\n\n require(_amount <= getBalanceInternal(address(this), _reserve),\n\n \"Invalid balance for the contract\");\n\n\n\n (\n\n bytes memory exDataBytes,\n\n uint cdpId,\n\n uint gasCost,\n\n address joinAddr,\n\n bool isRepay\n\n )\n\n = abi.decode(_params, (bytes,uint256,uint256,address,bool));\n\n\n\n ExchangeData memory exchangeData = unpackExchangeData(exDataBytes);\n\n\n\n SaverData memory saverData = SaverData({\n\n cdpId: cdpId,\n\n gasCost: gasCost,\n\n loanAmount: _amount,\n\n fee: _fee,\n\n joinAddr: joinAddr\n\n });\n\n\n\n if (isRepay) {\n\n repayWithLoan(exchangeData, saverData);\n\n } else {\n\n boostWithLoan(exchangeData, saverData);\n\n }\n\n\n\n transferFundsBackToPoolInternal(_reserve, _amount.add(_fee));\n\n\n\n // if there is some eth left (0x fee), return it to user\n\n if (address(this).balance > 0) {\n\n tx.origin.transfer(address(this).balance);\n\n }\n\n }\n\n\n\n function boostWithLoan(\n\n ExchangeData memory _exchangeData,\n\n SaverData memory _saverData\n\n ) internal {\n\n\n\n address user = getOwner(manager, _saverData.cdpId);\n\n\n\n // Draw users Dai\n\n uint maxDebt = getMaxDebt(_saverData.cdpId, manager.ilks(_saverData.cdpId));\n\n uint daiDrawn = drawDai(_saverData.cdpId, manager.ilks(_saverData.cdpId), maxDebt);\n\n\n\n // Calc. fees\n\n uint dsfFee = getFee((daiDrawn + _saverData.loanAmount), _saverData.gasCost, user);\n\n uint afterFee = (daiDrawn + _saverData.loanAmount) - dsfFee;\n\n\n\n // Swap\n\n _exchangeData.srcAmount = afterFee;\n\n (, uint swapedAmount) = _sell(_exchangeData);\n\n\n\n // Return collateral\n\n addCollateral(_saverData.cdpId, _saverData.joinAddr, swapedAmount);\n\n\n\n // Draw Dai to repay the flash loan\n\n drawDai(_saverData.cdpId, manager.ilks(_saverData.cdpId), (_saverData.loanAmount + _saverData.fee));\n\n\n\n logger.Log(address(this), msg.sender, \"MCDFlashBoost\", abi.encode(_saverData.cdpId, owner, _exchangeData.srcAmount, swapedAmount));\n\n }\n\n\n\n function repayWithLoan(\n\n ExchangeData memory _exchangeData,\n\n SaverData memory _saverData\n\n ) internal {\n\n\n\n address user = getOwner(manager, _saverData.cdpId);\n\n bytes32 ilk = manager.ilks(_saverData.cdpId);\n\n\n\n // Draw collateral\n\n uint maxColl = getMaxCollateral(_saverData.cdpId, ilk, _saverData.joinAddr);\n\n uint collDrawn = drawCollateral(_saverData.cdpId, _saverData.joinAddr, maxColl);\n\n\n\n // Swap\n\n _exchangeData.srcAmount = (_saverData.loanAmount + collDrawn);\n\n (, uint swapedAmount) = _sell(_exchangeData);\n\n\n\n uint paybackAmount = (swapedAmount - getFee(swapedAmount, _saverData.gasCost, user));\n\n paybackAmount = limitLoanAmount(_saverData.cdpId, ilk, paybackAmount, user);\n\n\n\n // Payback the debt\n\n paybackDebt(_saverData.cdpId, ilk, paybackAmount, user);\n\n\n\n // Draw collateral to repay the flash loan\n\n drawCollateral(_saverData.cdpId, _saverData.joinAddr, (_saverData.loanAmount + _saverData.fee));\n\n\n\n logger.Log(address(this), msg.sender, \"MCDFlashRepay\", abi.encode(_saverData.cdpId, owner, _exchangeData.srcAmount, swapedAmount));\n\n }\n\n\n\n /// @notice Handles that the amount is not bigger than cdp debt and not dust\n\n function limitLoanAmount(uint _cdpId, bytes32 _ilk, uint _paybackAmount, address _owner) internal returns (uint256) {\n\n uint debt = getAllDebt(address(vat), manager.urns(_cdpId), manager.urns(_cdpId), _ilk);\n\n\n\n if (_paybackAmount > debt) {\n\n ERC20(DAI_ADDRESS).transfer(_owner, (_paybackAmount - debt));\n\n return debt;\n\n }\n\n\n\n uint debtLeft = debt - _paybackAmount;\n\n\n\n (,,,, uint dust) = vat.ilks(_ilk);\n\n dust = dust / 10**27;\n\n\n\n // Less than dust value\n\n if (debtLeft < dust) {\n\n uint amountOverDust = (dust - debtLeft);\n\n\n\n ERC20(DAI_ADDRESS).transfer(_owner, amountOverDust);\n\n\n\n return (_paybackAmount - amountOverDust);\n\n }\n\n\n\n return _paybackAmount;\n\n }\n\n\n\n receive() external override(FlashLoanReceiverBase, SaverExchangeCore) payable {}\n\n\n\n}\n\ncontract CompoundFlashLoanTaker is CompoundSaverProxy, ProxyPermission, GasBurner {\n\n ILendingPool public constant lendingPool = ILendingPool(0x398eC7346DcD622eDc5ae82352F02bE94C62d119);\n\n\n\n address payable public constant COMPOUND_SAVER_FLASH_LOAN = 0x0ed294340b6328647A652207AA72902747C84c94;\n\n\n\n /// @notice Repays the position with it's own fund or with FL if needed\n\n /// @param _exData Exchange data\n\n /// @param _cAddresses cTokens addreses and exchange [cCollAddress, cBorrowAddress, exchangeAddress]\n\n /// @param _gasCost Gas cost for specific transaction\n\n function repayWithLoan(\n\n ExchangeData memory _exData,\n\n address[2] memory _cAddresses, // cCollAddress, cBorrowAddress\n\n uint256 _gasCost\n\n ) public payable burnGas(25) {\n\n uint maxColl = getMaxCollateral(_cAddresses[0], address(this));\n\n\n\n if (_exData.srcAmount <= maxColl) {\n\n repay(_exData, _cAddresses, _gasCost);\n\n } else {\n\n // 0x fee\n\n COMPOUND_SAVER_FLASH_LOAN.transfer(msg.value);\n\n\n\n uint loanAmount = (_exData.srcAmount - maxColl);\n\n bytes memory encoded = packExchangeData(_exData);\n\n bytes memory paramsData = abi.encode(encoded, _cAddresses, _gasCost, true, address(this));\n\n\n\n givePermission(COMPOUND_SAVER_FLASH_LOAN);\n\n\n\n lendingPool.flashLoan(COMPOUND_SAVER_FLASH_LOAN, getUnderlyingAddr(_cAddresses[0]), loanAmount, paramsData);\n\n\n\n removePermission(COMPOUND_SAVER_FLASH_LOAN);\n\n\n\n logger.Log(address(this), msg.sender, \"CompoundFlashRepay\", abi.encode(loanAmount, _exData.srcAmount, _cAddresses[0]));\n\n }\n\n }\n\n\n\n /// @notice Boosts the position with it's own fund or with FL if needed\n\n /// @param _exData Exchange data\n\n /// @param _cAddresses cTokens addreses and exchange [cCollAddress, cBorrowAddress, exchangeAddress]\n\n /// @param _gasCost Gas cost for specific transaction\n\n function boostWithLoan(\n\n ExchangeData memory _exData,\n\n address[2] memory _cAddresses, // cCollAddress, cBorrowAddress\n\n uint256 _gasCost\n\n ) public payable burnGas(20) {\n\n uint maxBorrow = getMaxBorrow(_cAddresses[1], address(this));\n\n\n\n if (_exData.srcAmount <= maxBorrow) {\n\n boost(_exData, _cAddresses, _gasCost);\n\n } else {\n\n // 0x fee\n\n COMPOUND_SAVER_FLASH_LOAN.transfer(msg.value);\n\n\n\n uint loanAmount = (_exData.srcAmount - maxBorrow);\n\n bytes memory paramsData = abi.encode(packExchangeData(_exData), _cAddresses, _gasCost, false, address(this));\n\n\n\n givePermission(COMPOUND_SAVER_FLASH_LOAN);\n\n\n\n lendingPool.flashLoan(COMPOUND_SAVER_FLASH_LOAN, getUnderlyingAddr(_cAddresses[1]), loanAmount, paramsData);\n\n\n\n removePermission(COMPOUND_SAVER_FLASH_LOAN);\n\n\n\n logger.Log(address(this), msg.sender, \"CompoundFlashBoost\", abi.encode(loanAmount, _exData.srcAmount, _cAddresses[1]));\n\n }\n\n\n\n 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'confidence': 'High'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-lowlevel', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'uninitialized-local', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'locked-ether', 'impact': 'Medium', 'confidence': 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Unnamed: 0 int64 0 60k | address stringlengths 42 42 | source_code stringlengths 52 864k | bytecode stringlengths 2 49.2k | slither stringlengths 47 956 | success bool 1
class | error float64 | results stringlengths 2 911 |
|---|---|---|---|---|---|---|---|
200 | 0x4116623495a7b406f786c081c402e423cdbfaf73 | pragma solidity 0.4.21;
contract EIP20Interface {
/* This is a slight change to the ERC20 base standard.
function totalSupply() constant returns (uint256 supply);
is replaced with:
uint256 public totalSupply;
This automatically creates a getter function for the totalSupply.
This is ... | 0x6060604052600436106100af576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806306fdde03146100b4578063095ea7b31461014257806318160ddd1461019c57806323b872dd146101c557806327e235e31461023e578063313ce5671461028b5780635c658165146102ba57806370a082311461032657806395d89b4114610373578063a9059cbb... | {"success": true, "error": null, "results": {}} | true | null | {} |
201 | 0x412162b71a193caaff8d6f3a9b94246087356b6d | pragma solidity 0.6.12;
contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private initializing;
/**
* @dev Modifi... | 0x608060405234801561001057600080fd5b506004361061035d5760003560e01c806381c0c263116101d3578063c0c53b8b11610104578063e1522536116100a2578063efbe1c1c1161007c578063efbe1c1c146108c4578063f77c4791146108cc578063fd96044b146106ff578063fec8ee0c146108d45761035d565b8063e15225361461086f578063e6f1daf21461089d578063ef78d4fd146108a55761... | {"success": true, "error": null, "results": {"detectors": [{"check": "unused-return", "impact": "Medium", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-eth", "i... | true | null | {'detectors': [{'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]} |
202 | 0x41517D4102Cc6ddB4f6daCf19284E6CA54aad0AB | pragma solidity 0.6.12;
contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private initializing;
/**
* @dev Modifi... | 0x608060405234801561001057600080fd5b50600436106103db5760003560e01c806376d8b1171161020a578063c0c53b8b11610125578063e1522536116100b8578063f301af4211610087578063f301af4214610ac0578063f77c479114610add578063f8453e7c14610ae5578063fd96044b14610bb0578063fec8ee0c14610bd6576103db565b8063e152253614610a63578063e6f1daf214610a915780... | {"success": true, "error": null, "results": {"detectors": [{"check": "unused-return", "impact": "Medium", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-eth", "i... | true | null | {'detectors': [{'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]} |
203 | 0x41624F34142C181BD3BeDd95867b62Ac94b4C265 | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
... | 0x6080604052600436106100295760003560e01c806368cfb7231461002e5780638b41871314610043575b600080fd5b61004161003c36600461215c565b610063565b005b34801561004f57600080fd5b5061004161005e3660046121b6565b6106f7565b3460021461008c5760405162461bcd60e51b81526004016100839061262c565b60405180910390fd5b8360006100ad8273c02aaa39b223fe8d0a0e... | {"success": true, "error": null, "results": {"detectors": [{"check": "unused-return", "impact": "Medium", "confidence": "Medium"}, {"check": "unchecked-transfer", "impact": "High", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "erc20-interface", "imp... | true | null | {'detectors': [{'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}]} |
204 | 0x419aF1fcFa2Ce803686299b2EB784f91d20e9eA5 | pragma solidity 0.6.6;
abstract contract Context {
function _msgSender() internal virtual view returns (address payable) {
return msg.sender;
}
function _msgData() internal virtual view returns (bytes memory) {
this;
return msg.data;
}
}
interface IERC20 {
... | 0x6080604052600436106100e15760003560e01c80637d81dcee1161007f578063aaffadf311610059578063aaffadf314610246578063ce5570311461025b578063ecb70fb714610281578063f2fde38b14610296576100f1565b80637d81dcee146101cd5780638d3d6576146102005780638da5cb5b14610215576100f1565b8063355274ea116100bb578063355274ea1461015b5780634042b66f146101... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "unused-return", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}]} |
205 | 0x419D48fFc4Cf75Ecaf4f87322eEcccc386A17C53 | pragma solidity 0.5.17;
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() inte... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c80633950935111610071578063395093511461025f57806370a08231146102c557806395d89b411461031d578063a457c2d7146103a0578063a9059cbb14610406578063dd62ed3e1461046c576100a9565b806306fdde03146100ae578063095ea7b31461013157806318160ddd1461019757806323b872dd146101b55780... | {"success": true, "error": null, "results": {}} | true | null | {} |
206 | 0x42c015dc28ec39c8aa6bdfa777027d3acb03fb8c | pragma solidity 0.5.7;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure ... | 0x608060405234801561001057600080fd5b506004361061009e5760003560e01c806354fd4d501161006657806354fd4d501461022457806370a08231146102a757806395d89b41146102ff578063a9059cbb14610382578063dd62ed3e146103d05761009e565b806306fdde03146100a3578063095ea7b31461012657806318160ddd1461017457806323b872dd14610192578063313ce56714610200575b... | {"success": true, "error": null, "results": {"detectors": [{"check": "erc20-interface", "impact": "Medium", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}]} |
207 | 0x42EaA6F456Ce8ee9292C0fdD9af40C389CAB48b0 | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
interface ERC20 {
function totalSupply() external view returns (uint);
function decimals() external view returns (uint);
function balanceOf(address tokenOwner) external view returns (uint balance);
function allowance(address tokenOwner, addr... | 0x608060405234801561001057600080fd5b50600436106100c95760003560e01c80636b9db4e611610081578063d89784fc1161005b578063d89784fc146102af578063ea2347e6146102d3578063f435f5a71461032b576100c9565b80636b9db4e6146102185780639be65a601461025b578063a287fdbd14610281576100c9565b80633b73d67f116100b25780633b73d67f1461011c5780633fd8b02f14... | {"success": true, "error": null, "results": {"detectors": [{"check": "unchecked-lowlevel", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'unchecked-lowlevel', 'impact': 'Medium', 'confidence': 'Medium'}]} |
208 | 0x431e57cddd59a1b7b41dbfe478a03d52b796175f | pragma solidity 0.6.0;
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 - s... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c8063395093511161007157806339509351146101d957806370a082311461020557806395d89b411461022b578063a457c2d714610233578063a9059cbb1461025f578063dd62ed3e1461028b576100a9565b806306fdde03146100ae578063095ea7b31461012b57806318160ddd1461016b57806323b872dd146101855780... | {"success": true, "error": null, "results": {}} | true | null | {} |
209 | 0x43c494cB39Ef9DE842b71055edcD193030281F1b | pragma solidity 0.6.8;
pragma experimental ABIEncoderV2;
contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private initializing;
/... | 0x6080604052600436106101665760003560e01c80637d533642116100d1578063c4d66de81161008a578063f19605d611610064578063f19605d6146103cd578063f2fde38b146103e2578063f3b7d81514610402578063f5c7e0e21461041557610166565b8063c4d66de814610378578063e9e15b4f14610398578063f0c30cac146103b857610166565b80637d533642146102ce578063844a28c3146102... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality"... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'},... |
210 | 0x43cf2d93f0a46f39eb16cc92d1e10ba90ad21183 | pragma solidity 0.6.6;
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view retur... | 0x608060405234801561001057600080fd5b50600436106100f55760003560e01c806370a0823111610097578063a457c2d711610066578063a457c2d7146102ca578063a9059cbb146102f6578063dd62ed3e14610322578063f2fde38b14610350576100f5565b806370a0823114610270578063715018a6146102965780638da5cb5b1461029e57806395d89b41146102c2576100f5565b806323b872dd11... | {"success": true, "error": null, "results": {}} | true | null | {} |
211 | 0x445830226347ef75867502e00e8d663842114f19 | pragma solidity 0.6.11;
pragma experimental ABIEncoderV2;
struct FullAbsoluteTokenAmount {
AbsoluteTokenAmountMeta base;
AbsoluteTokenAmountMeta[] underlying;
}
struct AbsoluteTokenAmountMeta {
AbsoluteTokenAmount absoluteTokenAmount;
ERC20Metadata erc20metadata;
}
struct ERC20Metadata {
s... | 0x6080604052600436106100345760003560e01c806328ffb83d14610039578063387b817414610062578063d4fac45d14610075575b600080fd5b61004c610047366004610a28565b6100a2565b6040516100599190610b2d565b60405180910390f35b61004c610070366004610a28565b610308565b34801561008157600080fd5b506100956100903660046109f4565b61051d565b604051610059919061... | {"success": true, "error": null, "results": {"detectors": [{"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "uninitialized-local", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'uninitialized-local', 'impact': 'Medium', 'confidence': 'Medium'}]} |
212 | 0x44863f5b7AAb7ceE181C0d84E244540125eF7AF7 | pragma solidity 0.7.4;
interface IArbitrable {
/**
* @dev To be raised when a ruling is given.
* @param _arbitrator The arbitrator giving the ruling.
* @param _disputeID ID of the dispute in the Arbitrator contract.
* @param _ruling The ruling which was given.
*/
event Ruling(IA... | 0x60806040526004361061023b5760003560e01c806382b350171161012e578063b5f3918b116100ab578063cc7b9d061161006f578063cc7b9d0614610a77578063d2dbe1d814610aa2578063d661dd3114610acc578063e4c0aaf414610ae1578063fc6f8f1614610b145761023b565b8063b5f3918b14610984578063b8573185146109ae578063c17a340e146109cb578063c36cd196146109e0578063c4... | {"success": true, "error": null, "results": {"detectors": [{"check": "reentrancy-eth", "impact": "High", "confidence": "Medium"}, {"check": "unchecked-send", "impact": "Medium", "confidence": "Medium"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'reentrancy-eth', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-send', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}]} |
213 | 0x4486bec9e151d7fcd0f0bf2fa21a4236fa4da13b | pragma solidity 0.6.6;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among ot... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c80633950935111610071578063395093511461025f57806370a08231146102c557806395d89b411461031d578063a457c2d7146103a0578063a9059cbb14610406578063dd62ed3e1461046c576100a9565b806306fdde03146100ae578063095ea7b31461013157806318160ddd1461019757806323b872dd146101b55780... | {"success": true, "error": null, "results": {}} | true | null | {} |
214 | 0x450D6644B994F984DDB8eb194015b70eE2626258 | pragma solidity 0.6.10;
pragma experimental ABIEncoderV2;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a... | 0x608060405234801561001057600080fd5b50600436106103785760003560e01c806391d14854116101d3578063c34da52411610104578063d12fa445116100a2578063d8f272e11161007c578063d8f272e114610797578063dcbaac60146107aa578063dcd3744d146107bd578063f5dc5442146107d257610378565b8063d12fa44514610769578063d45025f814610771578063d547741f146107845761... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality"... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'},... |
215 | 0x4533e685fe1441b09ff7d45397f8d777cef61561 | pragma solidity 0.5.17;
pragma experimental ABIEncoderV2;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a... | 0x608060405234801561001057600080fd5b50600436106100df5760003560e01c80634bda2e201161008c57806385ae33881161006657806385ae33881461024c57806393b8faf51461027f578063f4325d671461029c578063fa8f3455146102a4576100df565b80634bda2e20146101f757806373f03dff146101ff57806375172a8b14610232576100df565b806325240810116100bd5780632524081014... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "unchecked-transfer... | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}... |
216 | 0x46292f6ba764e34f69774913eea2f626591cb1e9 | pragma solidity 0.6.2;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among ot... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c80633950935111610071578063395093511461025f57806370a08231146102c557806395d89b411461031d578063a457c2d7146103a0578063a9059cbb14610406578063dd62ed3e1461046c576100a9565b806306fdde03146100ae578063095ea7b31461013157806318160ddd1461019757806323b872dd146101b55780... | {"success": true, "error": null, "results": {}} | true | null | {} |
217 | 0x462edaa6c1339f98bcb59582af782326603df5f2 | pragma solidity 0.4.24;
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address _who) public view returns (uint256);
function transfer(address _to, uint256 _value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
... | 0x6080604052600436106100fb5763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166305d2035b811461010057806306fdde0314610129578063095ea7b3146101b357806318160ddd146101d757806323b872dd146101fe578063313ce56714610228578063355274ea1461025357806340c10f1914610268578063661884631461028c57806370a0823114... | {"success": true, "error": null, "results": {}} | true | null | {} |
218 | 0x4639cd8cd52ec1cf2e496a606ce28d8afb1c792f | pragma solidity 0.6.12;
abstract contract ERC20Interface {
function totalSupply() public virtual view returns (uint);
function balanceOf(address tokenOwner) public virtual view returns (uint256 balance);
function allowance(address tokenOwner, address spender) public virtual view returns (uint256 rema... | 0x608060405234801561001057600080fd5b50600436106101005760003560e01c80636f2e33b511610097578063a457c2d711610066578063a457c2d714610309578063a9059cbb14610335578063dd62ed3e14610361578063f2fde38b1461038f57610100565b80636f2e33b51461029157806370a08231146102b75780638da5cb5b146102dd57806395d89b411461030157610100565b80632cd3fd7011... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}]} |
219 | 0x464c84c41f3C25Ba5a75B006D8B20600A8777306 | pragma solidity 0.7.4;
interface IArbitrable {
/**
* @dev To be raised when a ruling is given.
* @param _arbitrator The arbitrator giving the ruling.
* @param _disputeID ID of the dispute in the Arbitrator contract.
* @param _ruling The ruling which was given.
*/
event Ruling(IA... | 0x60806040526004361061023b5760003560e01c806382b350171161012e578063b5f3918b116100ab578063cc7b9d061161006f578063cc7b9d0614610a77578063d2dbe1d814610aa2578063d661dd3114610acc578063e4c0aaf414610ae1578063fc6f8f1614610b145761023b565b8063b5f3918b14610984578063b8573185146109ae578063c17a340e146109cb578063c36cd196146109e0578063c4... | {"success": true, "error": null, "results": {"detectors": [{"check": "reentrancy-eth", "impact": "High", "confidence": "Medium"}, {"check": "unchecked-send", "impact": "Medium", "confidence": "Medium"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'reentrancy-eth', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-send', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}]} |
220 | 0x46a8Dfa8A9c478FF0840099b3A39Ea98a6644eED | pragma solidity 0.7.1;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among ot... | 0x608060405234801561001057600080fd5b50600436106101c45760003560e01c8063715018a6116100f95780639847a62411610097578063a9059cbb11610071578063a9059cbb14610792578063c4d66de8146107be578063dd62ed3e146107e4578063f2fde38b14610812576101c4565b80639847a6241461058d5780639f727c271461075e578063a457c2d714610766576101c4565b80638456cb5911... | {"success": true, "error": null, "results": {"detectors": [{"check": "controlled-delegatecall", "impact": "High", "confidence": "Medium"}, {"check": "shadowing-state", "impact": "High", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'controlled-delegatecall', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'shadowing-state', 'impact': 'High', 'confidence': 'High'}]} |
221 | 0x4747ca5474f3044e3f9d3b8dc237e9c9f3a8fc04 | pragma solidity 0.5.17;
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender(... | 0x608060405234801561001057600080fd5b50600436106101725760003560e01c806380faa57d116100de578063c8f33c9111610097578063e9fad8ee11610071578063e9fad8ee1461058b578063ebe2b12b14610595578063edc9af95146105b3578063f2fde38b146105fd57610172565b8063c8f33c9114610531578063cd3daf9d1461054f578063df136d651461056d57610172565b806380faa57d14... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "name-reused", "impact": "High", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'name-reused', 'impact': 'High', 'confidence': 'High'}]} |
222 | 0x4813074856374b2b38810a5652783148e3a46a74 | pragma solidity 0.6.12;
interface ERC20Interface {
function totalSupply() external view returns(uint256);
function balanceOf(address tokenOwner) external view returns(uint256);
function allowance(address tokenOwner, address) external view returns(uint256);
function approve(address spender, uint256 ... | 0x608060405234801561001057600080fd5b50600436106100935760003560e01c80633eaaf86b116100665780633eaaf86b1461022157806370a082311461023f57806395d89b4114610297578063a9059cbb1461031a578063dd62ed3e1461037e57610093565b806306fdde0314610098578063095ea7b31461011b57806318160ddd1461017f57806323b872dd1461019d575b600080fd5b6100a06103f6... | {"success": true, "error": null, "results": {}} | true | null | {} |
223 | 0x48e143b4565d25893a8e8a5f7fbfc6fb4c9b8f90 | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(a... | 0x60806040526004361061023b5760003560e01c806376a8f6641161012e578063b81d29fd116100ab578063d46d17ca1161006f578063d46d17ca14610635578063e7f9cefd1461064a578063f1e5ff3e1461065f578063f36d52da1461067f578063f98260af1461069f5761023b565b8063b81d29fd146105b6578063c12eaff0146105d6578063c9ff8572146105eb578063d1058e5914610600578063d3... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "unchecked-transfer", "impact": "High", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "weak-prng", "impact": "Hig... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'weak-prng', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unus... |
224 | 0x4a4Bb24dE2dAcF520Fdcc3C25deDD7fCe0Ae106e | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
contract DSAuthEvents {
event LogSetAuthority(address indexed authority);
event LogSetOwner(address indexed owner);
}
contract DSAuth is DSAuthEvents {
DSAuthority public authority;
address public owner;
constructor() public {
... | 0x6080604052600436106102345760003560e01c806366e9a4bf1161012e578063cf786f8f116100ab578063e31f584c1161006f578063e31f584c1461055c578063e3841dad1461057c578063e9c2b6f91461058f578063ed202109146105a2578063f24ccbfe146105c25761023b565b8063cf786f8f14610336578063cfac57c7146104d8578063d0cc728914610502578063d3661fa514610517578063e3... | {"success": true, "error": null, "results": {"detectors": [{"check": "tx-origin", "impact": "Medium", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "name-reused", "impact": "High", "confidence": "High"}, {"check": "erc20-interface", "impact": "Medium... | true | null | {'detectors': [{'check': 'tx-origin', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'name-reused', 'impact': 'High', 'confidence': 'High'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'arbitra... |
225 | 0x4ae80405b877256fb46f678ec8555f24e1febe3e | pragma solidity 0.7.0;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract`... | 0x608060405234801561001057600080fd5b506004361061010b5760003560e01c806395d89b41116100a2578063a6b276c311610071578063a6b276c314610353578063a9059cbb1461035b578063b4862fe714610387578063cdbb02af146103c0578063dd62ed3e146103c85761010b565b806395d89b41146102aa578063a0712d68146102b2578063a39fac12146102cf578063a457c2d7146103275761... | {"success": true, "error": null, "results": {}} | true | null | {} |
226 | 0x4b16df6737101d43df0db6e5306f5524fbe53a63 | pragma solidity 0.5.17;
pragma experimental ABIEncoderV2;
contract GovernorAlpha {
/// @notice The name of this contract
string public constant name = "GAMER Governor Alpha";
/// @notice The number of votes in support of a proposal required in order for a quorum to be reached and for a vote to succeed... | 0x6080604052600436106101ac5760003560e01c8063452a9320116100ec578063d33219b41161008a578063ddf0b00911610064578063ddf0b00914610473578063deaaa7cc14610493578063e23a9a52146104a8578063fe0d94c1146104d5576101ac565b8063d33219b414610429578063da35c6641461043e578063da95691a14610453576101ac565b80637bdbe4d0116100c65780637bdbe4d0146103... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}, {"check": "unchecked-transfer", "... | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'... |
227 | 0x4B3fBe6d554c540C2672eB7A501018a1A39f7F53 | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
interface ERC20 {
function totalSupply() external view returns (uint);
function decimals() external view returns (uint);
function balanceOf(address tokenOwner) external view returns (uint balance);
function allowance(address tokenOwner, addr... | 0x608060405234801561001057600080fd5b50600436106101985760003560e01c80638da5cb5b116100e3578063e3495a391161008c578063ea2347e611610066578063ea2347e6146103e5578063eb40f32b146103fa578063ef1243a41461040d57610198565b8063e3495a39146103b7578063e452b790146103ca578063e6516a15146103dd57610198565b8063a287fdbd116100bd578063a287fdbd14... | {"success": true, "error": null, "results": {"detectors": [{"check": "unchecked-lowlevel", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'unchecked-lowlevel', 'impact': 'Medium', 'confidence': 'Medium'}]} |
228 | 0x4b44D2aB801D0C0160e75bcA17B08637e5d8e113 | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(a... | 0x608060405234801561001057600080fd5b50600436106102115760003560e01c8063916c435f11610125578063c5307a00116100ad578063f0d78bf51161007c578063f0d78bf514610474578063f1127ed814610487578063f3eb13e8146104a8578063fc0e2e29146104b0578063fd50f31d146104c357610211565b8063c5307a0014610433578063c9ff857214610446578063d32028301461044e5780... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "unchecked-transfer", "impact": "High", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "uninitialized-local", "imp... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'uninitialized-local', 'impact': 'Medium', 'confidence': 'Medium'}, {'c... |
229 | 0x4b63ce7e179d1db5ddac5d9d54e48356cf3e8b7d | pragma solidity 0.5.17;
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender(... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c8063395093511161007157806339509351146101d957806370a082311461020557806395d89b411461022b578063a457c2d714610233578063a9059cbb1461025f578063dd62ed3e1461028b576100a9565b806306fdde03146100ae578063095ea7b31461012b57806318160ddd1461016b57806323b872dd146101855780... | {"success": true, "error": null, "results": {}} | true | null | {} |
230 | 0x4b683854959579df565cbf13ee0f2807dc3eba3f | pragma solidity 0.6.6;
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view retur... | 0x608060405234801561001057600080fd5b50600436106100f55760003560e01c806370a0823111610097578063a457c2d711610066578063a457c2d7146102ca578063a9059cbb146102f6578063dd62ed3e14610322578063f2fde38b14610350576100f5565b806370a0823114610270578063715018a6146102965780638da5cb5b1461029e57806395d89b41146102c2576100f5565b806323b872dd11... | {"success": true, "error": null, "results": {}} | true | null | {} |
231 | 0x4bc7746f37be8a5e2fe10f8162fcbfce2d912e84 | pragma solidity 0.6.10;
pragma experimental ABIEncoderV2;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a... | 0x608060405234801561001057600080fd5b50600436106100b45760003560e01c8063a217fddf11610071578063a217fddf14610231578063b39e12cf14610239578063c4d66de814610241578063ca15c87314610267578063d547741f14610284578063fba45d35146102b0576100b4565b8063248a9ca3146100b95780632e91240d146100e85780632f2ff15d1461015a57806336568abe146101865780... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "write-after-write"... | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'write-after-write', 'impact': 'Medium', 'confidence': 'High'},... |
232 | 0x4c412F365F2Cea503BC0D519a48E54670D6fd729 | pragma solidity 0.6.12;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among o... | 0x608060405234801561001057600080fd5b50600436106101215760003560e01c806370a08231116100ad578063a9059cbb11610071578063a9059cbb1461057d578063c37bbabc146105e1578063c7585ed1146105ff578063dd62ed3e14610657578063f2fde38b146106cf57610121565b806370a0823114610400578063715018a6146104585780638da5cb5b1461046257806395d89b41146104965780... | {"success": true, "error": null, "results": {"detectors": [{"check": "unused-return", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}]} |
233 | 0x4d64ab5893659451d80b20dab9d610ad2fb40579 | pragma solidity 0.6.8;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among ot... | 0x6080604052600436106102885760003560e01c806397a6d2741161015a578063cf43cd6d116100c1578063f2fde38b1161007a578063f2fde38b14610c1c578063f338fc1914610c4f578063fa70c30214610c64578063fb15298d14610cee578063fb34499d14610d27578063fc9d015414610d5457610288565b8063cf43cd6d14610a2d578063cf97174814610adb578063e0dba60f14610b7c578063e6... | {"success": true, "error": null, "results": {"detectors": [{"check": "weak-prng", "impact": "High", "confidence": "Medium"}, {"check": "unused-return", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'weak-prng', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}]} |
234 | 0x4d9c5995f15b140cd0f29405f75f76a04aedac3a | pragma solidity 0.4.24;
interface ChainlinkRequestInterface {
function oracleRequest(
address sender,
uint256 payment,
bytes32 id,
address callbackAddress,
bytes4 callbackFunctionId,
uint256 nonce,
uint256 version,
bytes data
) external;
function cancelOracleRequest(
... | 0x6080604052600436106100ba576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806340429946146100bf5780634ab0d1901461018f5780634b60228214610243578063501883011461026e5780636ee4d55314610299578063715018a6146103075780637fcd56db1461031e5780638da5cb5b1461036d578063a4c0ed36146103c4578063d3e9c314... | {"success": true, "error": null, "results": {"detectors": [{"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}]} |
235 | 0x4e452dddfb725284d9ef0845566f0472ce3681f8 | pragma solidity 0.5.17;
interface IERC20 {
function totalSupply() external view returns (uint);
function balanceOf(address account) external view returns (uint);
function transfer(address recipient, uint amount) external returns (bool);
function allowance(address owner, address spender) external vi... | 0x608060405234801561001057600080fd5b506004361061009e5760003560e01c80638da5cb5b116100665780638da5cb5b14610231578063ac4afa381461027b578063d8b0a43d146102e9578063df2671cf14610341578063f5df3c6b146103995761009e565b806309ab1e14146100a357806312307e14146100ed5780634746942014610137578063541bcb761461018f57806370a08231146101d9575b... | {"success": true, "error": null, "results": {}} | true | null | {} |
236 | 0x4e90df33e42235e838101d43fb8e5540103b6968 | pragma solidity 0.6.12;
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view retu... | 0x6080604052600436106101c25760003560e01c80634dd18bf5116100f7578063e4d01a6411610095578063f426571511610064578063f426571514610603578063f851a44014610620578063fc0c546a14610635578063fed0a20e1461064a576101c2565b8063e4d01a6414610567578063e7f9cefd14610591578063eb87e89b146105a6578063f1e5ff3e146105d0576101c2565b8063d39ca7de116100... | {"success": true, "error": null, "results": {"detectors": [{"check": "weak-prng", "impact": "High", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "unchecked-transfer", "impact": "High", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'weak-prng', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}]} |
237 | 0x4ebbce881f5f233c4bf68328e9bb98bee4985680 | pragma solidity 0.6.12;
contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private initializing;
/**
* @dev Modifi... | 0x608060405234801561001057600080fd5b50600436106101425760003560e01c8063a0990033116100b8578063c4d66de81161007c578063c4d66de814610413578063dd289d6014610439578063ddf2be3f1461045f578063eed865e014610488578063f77c4791146104b4578063fc0c546a146104bc57610142565b8063a099003314610336578063a51e190414610378578063b21544f3146103955780... | {"success": true, "error": null, "results": {"detectors": [{"check": "unused-return", "impact": "Medium", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-eth", "i... | true | null | {'detectors': [{'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]} |
238 | 0x4eE4d45620c2Ed1A46d5Ad1555BB79166F6cF34d | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
library console {
address constant CONSOLE_ADDRESS = address(0x000000000000000000636F6e736F6c652e6c6f67);
function _sendLogPayload(bytes memory payload) private view {
uint256 payloadLength = payload.length;
address consoleAddress = CONSOLE_ADDRESS;... | 0x608060405234801561001057600080fd5b506004361061028a5760003560e01c80634f558e791161015c578063a22cb465116100ce578063d4d1468411610087578063d4d1468414610890578063d547cfb7146108b6578063d6ed7bf1146108be578063e3721a23146108c6578063e382c85814610902578063e985e9c51461092b5761028a565b8063a22cb46514610749578063b72ba6b5146107775780... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "name-reused", "impact": "High", "confidence": "High"}, {"check": "incorrect-equality", "impac... | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'name-reused', 'impact': 'High', 'confidence': 'High'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check... |
239 | 0x4f540B7E7FCb5d8a1d540fD5c1852bacE3BC1893 | pragma solidity 0.5.17;
contract ERC20 {
using SafeMath for uint256;
mapping(address => uint256) private _balances;
uint256 private _totalSupply;
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Total number of tokens in existence
*/
... | 0x608060405234801561001057600080fd5b506004361061007d5760003560e01c8063313ce5671161005b578063313ce5671461016357806370a082311461018157806395d89b41146101a7578063a9059cbb146101af5761007d565b806306fdde031461008257806318160ddd146100ff57806323b872dd14610119575b600080fd5b61008a6101db565b6040805160208082528351818301528351919283... | {"success": true, "error": null, "results": {}} | true | null | {} |
240 | 0x4fd2d9d6ef05e13bf0b167509151a4ec3d4d4b93 | pragma solidity 0.5.12;
contract BColor {
function getColor()
external view
returns (bytes32);
}
contract BBronze is BColor {
function getColor()
external view
returns (bytes32) {
return bytes32("BRONZE");
}
}
contract BConst is BBronze {
uin... | 0x608060405234801561001057600080fd5b506004361061039d5760003560e01c806392eefe9b116101eb578063bc694ea211610110578063dd62ed3e116100a8578063dd62ed3e14610c51578063e4a28a52146104fd578063e4e1e53814610c7f578063eb9253c014610cb1578063ec09302114610cdd578063f1b8a9b714610ce5578063f8b2cb4f14610d0b578063f8d6aed414610d31578063fde924f7... | {"success": true, "error": null, "results": {}} | true | null | {} |
241 | 0x4fea2109624a515968167d4015e54f70d28435ee | pragma solidity 0.6.9;
abstract contract EIP20Interface {
/* This is a slight change to the ERC20 base standard.
function totalSupply() constant returns (uint256 supply);
is replaced with:
uint256 public totalSupply;
This automatically creates a getter function for the totalSupply.
This ... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c8063313ce56711610071578063313ce567146101e15780635c658165146101ff57806370a082311461022d57806395d89b4114610253578063a9059cbb1461025b578063dd62ed3e14610287576100a9565b806306fdde03146100ae578063095ea7b31461012b57806318160ddd1461016b57806323b872dd146101855780... | {"success": true, "error": null, "results": {}} | true | null | {} |
242 | 0x4FFA6aA924ca9e451f6A35319d4F5De1859D749d | pragma solidity 0.6.6;
pragma experimental ABIEncoderV2;
contract DSAuthEvents {
event LogSetAuthority(address indexed authority);
event LogSetOwner(address indexed owner);
}
contract DSAuth is DSAuthEvents {
DSAuthority public authority;
address public owner;
constructor() public {
... | 0x608060405234801561001057600080fd5b50600436106101585760003560e01c8063526d6461116100c3578063870e44d91161007c578063870e44d9146102d95780638fb5a482146102e1578063bfe142a3146102f4578063cae81e6e146102fc578063d802178e1461030f578063d98bb5b11461033157610158565b8063526d64611461027b5780635c1e4172146102835780635f3bc8e7146102965780... | {"success": true, "error": null, "results": {"detectors": [{"check": "tx-origin", "impact": "Medium", "confidence": "Medium"}, {"check": "name-reused", "impact": "High", "confidence": "High"}, {"check": "erc20-interface", "impact": "Medium", "confidence": "High"}, {"check": "arbitrary-send", "impact": "High", "confiden... | true | null | {'detectors': [{'check': 'tx-origin', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'name-reused', 'impact': 'High', 'confidence': 'High'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-lowleve... |
243 | 0x507ae33c5a059cb22217bad9fb2a9d929908866e | pragma solidity 0.6.6;
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 - s... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c8063b6301ba411610071578063b6301ba414610156578063c430074b146101ae578063da861c78146101cc578063e7b64fe314610224578063e7d5062f14610242578063fe8787dd1461024c576100a9565b8063072e6de4146100ae5780632cc54d6f146101065780633a4c15311461012457806368ac9d031461012e5780... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]} |
244 | 0x50950C6767A4F9e5EE29c6634aCa1f34505166d5 | pragma solidity 0.5.17;
pragma experimental ABIEncoderV2;
interface PotLike {
function chi() external view returns (uint);
function pie(address) external view returns (uint);
function drip() external returns (uint);
function join(uint) external;
function exit(uint) external;
}
interface GemL... | 0x608060405234801561001057600080fd5b506004361061043d5760003560e01c8063731f0c2b11610236578063bb82aa5e1161013b578063da3d454c116100c3578063e875544611610087578063e875544614611145578063e9af02921461114d578063eabe7d9114611173578063ede4edd0146111a9578063f851a440146111cf5761043d565b8063da3d454c146110a7578063dce15449146110dd5780... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "boolean-cst", "impact": "Medium", "confidence": "Medium"}, {"check": "controlled-delegatecall", "imp... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'boolean-cst', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'controlled-delegatecall', 'impact': 'High', 'confidence': 'Medium'}, {'che... |
245 | 0x50bEa3c316FA4bFb4Ec0A8546182A81A6d00bac9 | pragma solidity 0.5.15;
contract MemoryMap {
/*
We store the state of the verifer in a contiguous chunk of memory.
The offsets of the different fields are listed below.
E.g. The offset of the i'th hash is [mm_hashes + i].
*/
uint256 constant internal CHANNEL_STATE_SIZE = 3;
uin... | 0x608060405234801561001057600080fd5b506060602060016000350102604051915080820160405280600083375060408051611da08082526203b4208201909252606091602082016203b4008038833901905050905061005f8282611621565b60007e4000000000000110000000000001210000000000000000000000000000000090507f0800000000000011000000000000000000000000000000000000... | {"success": true, "error": null, "results": {}} | true | null | {} |
246 | 0x510a0581795a8e985af080388a8fae37793dd06c | pragma solidity 0.4.21;
contract EIP20Interface {
/* This is a slight change to the ERC20 base standard.
function totalSupply() constant returns (uint256 supply);
is replaced with:
uint256 public totalSupply;
This automatically creates a getter function for the totalSupply.
This is ... | 0x6060604052600436106100af576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806306fdde03146100b4578063095ea7b31461014257806318160ddd1461019c57806323b872dd146101c557806327e235e31461023e578063313ce5671461028b5780635c658165146102ba57806370a082311461032657806395d89b4114610373578063a9059cbb... | {"success": true, "error": null, "results": {}} | true | null | {} |
247 | 0x515e39f12590a94B102903363336AF9761ebF621 | pragma solidity 0.6.10;
pragma experimental ABIEncoderV2;
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 warn... | 0x6080604052600436106101345760003560e01c8063aa67c919116100ab578063d904c7321161006f578063d904c7321461032a578063e5fad9781461034c578063ebcd31ac14610361578063ec5ffac214610381578063eea7570e14610396578063fbb44607146103ab57610134565b8063aa67c919146102ad578063ba3ecc5b146102c0578063c2da0786146102d5578063c4775a68146102f5578063ca... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}, {"check": "incorrect-equality", "impact"... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check':... |
248 | 0x51be9f12dd5095c5b1acf90e7e0aa4aa8023218b | pragma solidity 0.6.2;
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 - s... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c80633950935111610071578063395093511461025f57806370a08231146102c557806395d89b411461031d578063a457c2d7146103a0578063a9059cbb14610406578063dd62ed3e1461046c576100a9565b806306fdde03146100ae578063095ea7b31461013157806318160ddd1461019757806323b872dd146101b55780... | {"success": true, "error": null, "results": {}} | true | null | {} |
249 | 0x5262aa93f471628efe57151480b78bee17e9b48c | pragma solidity 0.4.18;
interface ConversionRatesInterface {
function recordImbalance(
ERC20 token,
int buyAmount,
uint rateUpdateBlock,
uint currentBlock
)
public;
function getRate(ERC20 token, uint currentBlockNumber, bool buy, uint qty) public view ret... | 0x6060604052600436106102795763ffffffff60e060020a60003504166301a12fd3811461027e5780630f9b51291461029f57806314673d31146102c45780631b5ac4b5146102e35780631f05ff29146102f957806320b0961c1461030f578063267822471461032e578063275acbe31461035d578063279fe9671461037957806327a099d81461038c5780632f4fda30146103f25780633ccdbb2814610405... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}]} |
250 | 0x52a6ddd08efc86892ce3d9074c4b39a571115655 | pragma solidity 0.6.8;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among ot... | 0x608060405234801561001057600080fd5b50600436106101375760003560e01c806370a08231116100b857806395d89b411161007c57806395d89b4114610430578063a3895fff14610438578063a457c2d7146104de578063a9059cbb1461050a578063dd62ed3e14610536578063f2fde38b1461056457610137565b806370a08231146103a8578063715018a6146103ce57806379cc6790146103d65780... | {"success": true, "error": null, "results": {"detectors": [{"check": "weak-prng", "impact": "High", "confidence": "Medium"}, {"check": "unused-return", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'weak-prng', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}]} |
251 | 0x52d70788b6bf2729060e11cb4c576feb9abda51a | pragma solidity 0.6.12;
kenAddress,
string TokenName,
string TokenSymbol,
uint Decimals
);
function updateEcoceliumAddress(address ecoAddress) public {
require(msg.sender == owner);
EcoceliumAddress = ecoAddress;
f
rivate view... | 0x6080604052600436106101855760003560e01c80635d130ec6116100d1578063ac51e38e1161008a578063d4001a0511610064578063d4001a0514610aa2578063e364db9214610ad5578063f7f56d6314610b1d578063fd950f7514610c555761018c565b8063ac51e38e1461097e578063bc01b2ba14610a36578063cf2a916014610a6f5761018c565b80635d130ec614610783578063665e6ffa146108... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "erc20-interface", "... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'... |
252 | 0x53d56b4b1EaEd898Be40cF445a715c55dDD6B09C | pragma solidity 0.6.12;
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 - ... | 0x608060405234801561001057600080fd5b50600436106101da5760003560e01c806390ef9d3f11610104578063cf3b670b116100a2578063efb47c7e11610071578063efb47c7e146105cf578063f83d08ba14610648578063fab46d6614610650578063fcd13d6514610699576101da565b8063cf3b670b146105af578063d2523526146105b7578063e4e99222146105bf578063eec0701f146105c75761... | {"success": true, "error": null, "results": {"detectors": [{"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "uninitialized-local", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'uninitialized-local', 'impact': 'Medium', 'confidence': 'Medium'}]} |
253 | 0x5454223e3078Db87e55a15bE541cc925f3702eB0 | pragma solidity 0.6.12;
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 - ... | 0x608060405234801561001057600080fd5b50600436106101365760003560e01c806348106fe3116100b257806374c16b2311610081578063acdb8e0411610066578063acdb8e04146103ba578063d0d58748146103c2578063d25235261461043b57610136565b806374c16b231461035a578063854799161461036257610136565b806348106fe31461031c5780635f94cd9c146103245780636ffc1e6814... | {"success": true, "error": null, "results": {}} | true | null | {} |
254 | 0x54be8f918a89571158d90468d8097bcaa1ce7ca1 | pragma solidity 0.6.12;
contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private initializing;
/**
* @dev Modifi... | 0x608060405234801561001057600080fd5b50600436106103db5760003560e01c806376d8b1171161020a578063c0c53b8b11610125578063e1522536116100b8578063f301af4211610087578063f301af4214610ac0578063f77c479114610add578063f8453e7c14610ae5578063fd96044b14610bb0578063fec8ee0c14610bd6576103db565b8063e152253614610a63578063e6f1daf214610a915780... | {"success": true, "error": null, "results": {"detectors": [{"check": "unused-return", "impact": "Medium", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-eth", "i... | true | null | {'detectors': [{'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]} |
255 | 0x553C469A4b2be93f91692ddFAb6587B623f91279 | pragma solidity 0.6.8;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among ot... | 0x6080604052600436106102ae5760003560e01c806397a6d27411610175578063c73cce39116100dc578063f2a6f21511610095578063fa70c3021161006f578063fa70c30214610d53578063fb15298d14610ddd578063fb34499d14610e16578063fc9d015414610e43576102ae565b8063f2a6f21514610cf6578063f2fde38b14610d0b578063f338fc1914610d3e576102ae565b8063c73cce3914610a... | {"success": true, "error": null, "results": {"detectors": [{"check": "weak-prng", "impact": "High", "confidence": "Medium"}, {"check": "unused-return", "impact": "Medium", "confidence": "Medium"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'weak-prng', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}]} |
256 | 0x556148562d5ddeb72545d7ec4b3ec8edc8f55ba7 | pragma solidity 0.7.1;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
*... | 0x608060405234801561001057600080fd5b50600436106101585760003560e01c80638da5cb5b116100c3578063d97261f81161007c578063d97261f8146106d2578063dd62ed3e14610716578063e26597751461078e578063ea33bfbd146107c2578063f2fde38b14610806578063f728b1d81461084a57610158565b80638da5cb5b146104e157806395d89b41146105155780639b1f9e74146105985780... | {"success": true, "error": null, "results": {}} | true | null | {} |
257 | 0x5659668B6323eC0360fBDa5624B8247D443d3Dd9 | pragma solidity 0.7.2;
contract LYNCStakingV1 {
//Enable SafeMath
using SafeMath for uint256;
address public owner;
address public contractAddress;
uint256 public totalRewards = 0;
uint256 public totalRewardsClaimed = 0;
uint256 public totalStakedV1 = 0;
uint256 public... | 0x608060405234801561001057600080fd5b506004361061010b5760003560e01c80637547c7a3116100a2578063a5ce413b11610071578063a5ce413b14610314578063aa9a091214610334578063caaf94f51461038a578063f6b4dfb4146103a8578063fe8b1cce146103dc5761010b565b80637547c7a3146102605780637a5c08ae146102a45780638da5cb5b146102c2578063a34b0f76146102f65761... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]} |
258 | 0x569F1d106B3703EAfbA3fEb367f13387756d723D | pragma solidity 0.5.15;
contract CairoVerifierContract {
function verifyProofExternal(
uint256[] calldata proofParams, uint256[] calldata proof, uint256[] calldata publicInput)
external;
}
contract CpuConstraintPoly {
// The Memory map during the execution of this contract is as follows:
... | 0x608060405234801561001057600080fd5b506004361061002b5760003560e01c80631cb7dd7914610030575b600080fd5b6101446004803603606081101561004657600080fd5b81019060208101813564010000000081111561006157600080fd5b82018360208201111561007357600080fd5b8035906020019184602083028401116401000000008311171561009557600080fd5b919390929091602081... | {"success": true, "error": null, "results": {"detectors": [{"check": "incorrect-shift", "impact": "High", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'incorrect-shift', 'impact': 'High', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}]} |
259 | 0x56c8d4e40A709B33cCB19970324880F3a640d9fC | pragma solidity 0.6.6;
pragma experimental ABIEncoderV2;
contract DSAuthEvents {
event LogSetAuthority(address indexed authority);
event LogSetOwner(address indexed owner);
}
contract DSAuth is DSAuthEvents {
DSAuthority public authority;
address public owner;
constructor() public {
... | 0x6080604052600436106101395760003560e01c80637753f47b116100ab578063a26f4f711161006f578063a26f4f711461038e578063a7304bf7146103a3578063bfe142a3146103c3578063deca5f88146103d8578063f851a440146103f8578063fd5452ca1461040d576101bc565b80637753f47b1461031a5780637b925ab11461032f578063870e44d9146103445780638b418713146103595780638d... | {"success": true, "error": null, "results": {"detectors": [{"check": "name-reused", "impact": "High", "confidence": "High"}, {"check": "erc20-interface", "impact": "Medium", "confidence": "High"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}, {"check": "unchecked-lowlevel", "impact": "Medium", ... | true | null | {'detectors': [{'check': 'name-reused', 'impact': 'High', 'confidence': 'High'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-lowlevel', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrec... |
260 | 0x572f42272e6028e4088318b2ecc98ae0d2eeab27 | pragma solidity 0.5.17;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among o... | 0x60806040526004361061004a5760003560e01c80632c4e722e1461005c5780634042b66f14610083578063521eb27314610098578063ec8ac4d8146100c9578063fc0c546a146100ef575b61005a610055610104565b610108565b005b34801561006857600080fd5b5061007161022a565b60408051918252519081900360200190f35b34801561008f57600080fd5b50610071610230565b3480156100a4... | {"success": true, "error": null, "results": {}} | true | null | {} |
261 | 0x577acf90e357300262210a17ac69efffbd2cba3c | pragma solidity 0.7.0;
library AdditionalMath {
using SafeMath for uint256;
function max16(uint16 a, uint16 b) internal pure returns (uint16) {
return a >= b ? a : b;
}
function min16(uint16 a, uint16 b) internal pure returns (uint16) {
return a < b ? a : b;
}
/**
... | 0x608060405234801561001057600080fd5b50600436106101165760003560e01c80638f32d59b116100a2578063e2fdcc1711610071578063e2fdcc1714610679578063e38a303b14610681578063e8dccd061461069f578063f2fde38b146106c5578063fc9daa07146106eb57610116565b80638f32d59b1461063b578063b9626d2114610643578063bd02b14014610669578063d4b83992146106715761... | {"success": true, "error": null, "results": {"detectors": [{"check": "controlled-delegatecall", "impact": "High", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'controlled-delegatecall', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]} |
262 | 0x57ee8f0a1c27d2d554160239882eab126ba9086d | pragma solidity 0.6.12;
kenAddress,
string TokenName,
string TokenSymbol,
uint Decimals
);
function updateEcoceliumAddress(address ecoAddress) public {
require(msg.sender == owner);
EcoceliumAddress = ecoAddress;
f
rivate view... | 0x608060405234801561001057600080fd5b506004361061014d5760003560e01c8063559fde51116100c3578063a87430ba1161007c578063a87430ba1461088b578063aa3e92bc146108cf578063bb3dabe814610985578063cbd1a5e7146109bd578063d006617114610a06578063fa61916d14610abc5761014d565b8063559fde5114610587578063591e6855146105ad5780636660deda146105e85780... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "erc20-interface", "... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'... |
263 | 0x5811e22147A6114FFB3781BFAa396c0e1F631e37 | pragma solidity 0.6.4;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among ot... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c80633950935111610071578063395093511461025f57806370a08231146102c557806395d89b411461031d578063a457c2d7146103a0578063a9059cbb14610406578063dd62ed3e1461046c576100a9565b806306fdde03146100ae578063095ea7b31461013157806318160ddd1461019757806323b872dd146101b55780... | {"success": true, "error": null, "results": {}} | true | null | {} |
264 | 0x595f2c4e9e3e35b0946394a714c2cd6875c04988 | pragma solidity 0.6.10;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among o... | 0x6080604052600436106101815760003560e01c8063879d5aad116100d1578063a2b40d191161008a578063d6febde811610064578063d6febde814610634578063e29eb8361461066c578063e9fad8ee14610697578063f07af5f7146106ae57610181565b8063a2b40d19146105a3578063a97d70b1146105de578063d0e30db01461060957610181565b8063879d5aad146104605780638bb66d8a146104... | {"success": true, "error": null, "results": {"detectors": [{"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}, {"check": "unchecked-lowlevel", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impa... | true | null | {'detectors': [{'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-lowlevel', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'chec... |
265 | 0x59876c7a2e76419f8b2b47dae1324b2de0fa6952 | pragma solidity 0.6.8;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender)... | 0x608060405234801561001057600080fd5b50600436106102535760003560e01c806366844c7e11610146578063b8e010de116100c3578063d1cc997611610087578063d1cc9976146108e9578063e9790d02146108f1578063eb3464a1146108f9578063eba3aa4214610916578063ef0e99a71461091e578063f48f489e1461093b57610253565b8063b8e010de14610825578063b9c33b261461082d5780... | {"success": true, "error": null, "results": {"detectors": [{"check": "unchecked-transfer", "impact": "High", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}]} |
266 | 0x59dcaa6db5029535004ad5c43eb8febe6ffcf6ed | pragma solidity 0.6.5;
pragma experimental ABIEncoderV2;
interface ERC20 {
function approve(address, uint256) external returns (bool);
function transfer(address, uint256) external returns (bool);
function transferFrom(address, address, uint256) external returns (bool);
function name() external view... | 0x608060405234801561001057600080fd5b50600436106100415760003560e01c806330fa738c14610046578063d4fac45d14610064578063f72c079114610084575b600080fd5b61004e61008c565b60405161005b91906102f4565b60405180910390f35b610077610072366004610287565b6100c5565b60405161005b9190610365565b61004e61022a565b604051806040016040528060058152602001... | {"success": true, "error": null, "results": {}} | true | null | {} |
267 | 0x5A99Fa495c894441180113515AAB3B80CE79e491 | pragma solidity 0.6.8;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among ot... | 0x6080604052600436106102e45760003560e01c80638da5cb5b11610190578063c73cce39116100dc578063f2a6f21511610095578063fa70c3021161006f578063fa70c30214610ddd578063fb15298d14610e67578063fb34499d14610ea0578063fc9d015414610ecd576102e4565b8063f2a6f21514610d80578063f2fde38b14610d95578063f338fc1914610dc8576102e4565b8063c73cce3914610a... | {"success": true, "error": null, "results": {"detectors": [{"check": "weak-prng", "impact": "High", "confidence": "Medium"}, {"check": "unused-return", "impact": "Medium", "confidence": "Medium"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'weak-prng', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}]} |
268 | 0x5b08999b131ef09a83f3eb7e2d2efcef37b4851a | pragma solidity 0.6.5;
pragma experimental ABIEncoderV2;
interface ERC20 {
function approve(address, uint256) external returns (bool);
function transfer(address, uint256) external returns (bool);
function transferFrom(address, address, uint256) external returns (bool);
function name() external view... | 0x608060405234801561001057600080fd5b50600436106100415760003560e01c806330fa738c14610046578063d4fac45d14610064578063f72c079114610084575b600080fd5b61004e61008c565b60405161005b9190610497565b60405180910390f35b61007761007236600461042a565b6100c5565b60405161005b9190610508565b61004e6103cd565b604051806040016040528060058152602001... | {"success": true, "error": null, "results": {}} | true | null | {} |
269 | 0x5c38d75aa0f06d851a4deb2e40b0fcc92554fa75 | pragma solidity 0.6.10;
pragma experimental ABIEncoderV2;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a... | 0x608060405234801561001057600080fd5b506004361061010a5760003560e01c806391d14854116100a2578063c2a9925611610071578063c2a9925614610204578063c4d66de814610217578063ca15c8731461022a578063d547741f1461023d578063ee8c4bbf146102505761010a565b806391d14854146101c1578063a217fddf146101e1578063b39e12cf146101e9578063be07f57c146101f15761... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality"... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'},... |
270 | 0x5c3da04441a2b301a4663b8f3922d7f794792041 | pragma solidity 0.4.21;
contract EIP20Interface {
/* This is a slight change to the ERC20 base standard.
function totalSupply() constant returns (uint256 supply);
is replaced with:
uint256 public totalSupply;
This automatically creates a getter function for the totalSupply.
This is ... | 0x6060604052600436106100af576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806306fdde03146100b4578063095ea7b31461014257806318160ddd1461019c57806323b872dd146101c557806327e235e31461023e578063313ce5671461028b5780635c658165146102ba57806370a082311461032657806395d89b4114610373578063a9059cbb... | {"success": true, "error": null, "results": {}} | true | null | {} |
271 | 0x5c51ed459af01dc9857a70d8630a383d394ec66d | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
contract IAbacusOracle{
uint public callFee;
function getJobResponse(uint64 _jobId) public view returns(uint64[] memory _values){ }
function scheduleFunc(address to ,uint callTime, bytes memory data , uint fee , uint gaslimit ,uint gasprice... | 0x6080604052600436106200020b5760003560e01c80636e6164d7116200011b578063c813b1b811620000a3578063e0e872bc116200006d578063e0e872bc146200062b578063e1d6e3e91462000650578063e706a6391462000675578063ee8c24b8146200069a5762000213565b8063c813b1b81462000597578063c83aad7614620005bc578063d1b5c12c14620005e1578063d1f94af414620006065762... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "erc20-interface", "impact": "Medium", "confidence": "High"}, {"check": "arbitrary-send", "imp... | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'che... |
272 | 0x5c6d81d0a2245efe11aebc352dcdd5dd53ea0879 | pragma solidity 0.6.5;
pragma experimental ABIEncoderV2;
struct ProtocolBalance {
ProtocolMetadata metadata;
AdapterBalance[] adapterBalances;
}
struct ProtocolMetadata {
string name;
string description;
string websiteURL;
string iconURL;
uint256 version;
}
struct AdapterBalance ... | 0x608060405234801561001057600080fd5b50600436106100365760003560e01c80632a50c1461461003b57806379b1833414610064575b600080fd5b61004e61004936600461063a565b610084565b60405161005b9190610867565b60405180910390f35b61007761007236600461063a565b61037a565b60405161005b91906107b5565b61008c6105c2565b73ffffffffffffffffffffffffffffffffff... | {"success": true, "error": null, "results": {}} | true | null | {} |
273 | 0x5d1Ecff2eF5919d14C47bF7474D1AfDd71077A2c | pragma solidity 0.5.17;
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() inte... | 0x608060405234801561001057600080fd5b50600436106100a95760003560e01c80633950935111610071578063395093511461025f57806370a08231146102c557806395d89b411461031d578063a457c2d7146103a0578063a9059cbb14610406578063dd62ed3e1461046c576100a9565b806306fdde03146100ae578063095ea7b31461013157806318160ddd1461019757806323b872dd146101b55780... | {"success": true, "error": null, "results": {}} | true | null | {} |
274 | 0x5d77f9b5a4cca418f2cd62b6e1cf0ba123d4c05f | pragma solidity 0.5.7;
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external v... | 0x608060405234801561001057600080fd5b50600436106100ce5760003560e01c8063750142e61161008c578063c03d5b4711610066578063c03d5b47146101ca578063c601f352146101d2578063e11932cf146101f8578063ebbbabbd1461021e576100ce565b8063750142e6146101665780637943913d1461016e578063a694fc3a146101ad576100ce565b806263750c146100d357806304c3a8a31461... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-local", "impact": "Medium", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-et... | true | null | {'detectors': [{'check': 'uninitialized-local', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Mediu... |
275 | 0x5d929AA919E489505CcAAd8A199619c6DCA0c2de | pragma solidity 0.5.4;
contract Ownable {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() public {
owner = msg.sender;
newOwner = address(0);
}
modifier onl... | 0x60806040526004361061020b576000357c01000000000000000000000000000000000000000000000000000000009004806379ba50971161012a578063a9059cbb116100bd578063dd62ed3e1161008c578063dd62ed3e14610dfa578063e2ab691d14610e7f578063f26c159f14610efc578063f2fde38b14610f65578063fb93210814610fb65761020b565b8063a9059cbb14610c3f578063c9e075c614... | {"success": true, "error": null, "results": {"detectors": [{"check": "unchecked-transfer", "impact": "High", "confidence": "Medium"}, {"check": "locked-ether", "impact": "Medium", "confidence": "High"}, {"check": "controlled-array-length", "impact": "High", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'locked-ether', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'controlled-array-length', 'impact': 'High', 'confidence': 'Medium'}]} |
276 | 0x5de09699a9a81fb3ac2c62af09a835e35b5764db | pragma solidity 0.4.21;
contract EIP20Interface {
/* This is a slight change to the ERC20 base standard.
function totalSupply() constant returns (uint256 supply);
is replaced with:
uint256 public totalSupply;
This automatically creates a getter function for the totalSupply.
This is ... | 0x6060604052600436106100af576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806306fdde03146100b4578063095ea7b31461014257806318160ddd1461019c57806323b872dd146101c557806327e235e31461023e578063313ce5671461028b5780635c658165146102ba57806370a082311461032657806395d89b4114610373578063a9059cbb... | {"success": true, "error": null, "results": {}} | true | null | {} |
277 | 0x5e0fa16e190f8de73ee7f415c47eed8315a7601e | pragma solidity 0.6.12;
contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private initializing;
/**
* @dev Modifi... | 0x608060405234801561001057600080fd5b50600436106103a45760003560e01c806387564d84116101e9578063d31f3f6d1161010f578063ef78d4fd116100ad578063f77c47911161007c578063f77c4791146109d0578063f8453e7c146109d8578063fd96044b14610aa3578063fec8ee0c14610ac9576103a4565b8063ef78d4fd14610966578063efbe1c1c14610985578063f301af421461098d5780... | {"success": true, "error": null, "results": {"detectors": [{"check": "unused-return", "impact": "Medium", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-eth", "i... | true | null | {'detectors': [{'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]} |
278 | 0x5e491e9d7840c7c185f365d47ac6a1e967aa8e4c | pragma solidity 0.5.16;
interface IBullswapCallee {
function BullswapCall(address sender, uint amount0, uint amount1, bytes calldata data) external;
}
interface IBullswapERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address ind... | 0x608060405234801561001057600080fd5b50600436106100885760003560e01c8063a2e74af61161005b578063a2e74af6146100fd578063c9c6539614610132578063e6a439051461016d578063f46901ed146101a857610088565b8063017e7e581461008d578063094b7415146100be5780631e3dd18b146100c6578063574f2ba3146100e3575b600080fd5b6100956101db565b6040805173ffffffff... | {"success": true, "error": null, "results": {"detectors": [{"check": "weak-prng", "impact": "High", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'weak-prng', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}]} |
279 | 0x5ee8abac67c798f9a11ed5dcc2c49faf2b5359e0 | pragma solidity 0.5.1;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function allowance(address owner, address spender) external view retur... | 0x608060405260043610610117576000357c01000000000000000000000000000000000000000000000000000000009004806303807ee51461011c57806306fdde0314610147578063095ea7b3146101d757806318160ddd1461024a5780631e89d5451461027557806323b872dd146103ce578063313ce56714610461578063348f9d3e14610492578063395093511461050557806342966c68146105785780... | {"success": true, "error": null, "results": {"detectors": [{"check": "locked-ether", "impact": "Medium", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'locked-ether', 'impact': 'Medium', 'confidence': 'High'}]} |
280 | 0x5eeb73813f3cdb275e10d9f444843266a8a391a2 | pragma solidity 0.5.17;
interface IUniswapV2Router02 {
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
}
interface IERC20FeeProxy {
event Trans... | 0x608060405234801561001057600080fd5b506004361061009e5760003560e01c80638da5cb5b116100665780638da5cb5b146102b6578063a09b241d14610300578063c0d7865514610344578063c31c9c0714610388578063f2fde38b146103d25761009e565b806330e175c9146100a35780633cd3efef146100e7578063715018a6146101315780637262b4c51461013b5780638d09fe2b1461017f575b... | {"success": true, "error": null, "results": {"detectors": [{"check": "unchecked-transfer", "impact": "High", "confidence": "Medium"}, {"check": "unused-return", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}]} |
281 | 0x5f14e09736f78ba7acb175c3651a5a6bf2d4ce16 | pragma solidity 0.6.10;
pragma experimental ABIEncoderV2;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a... | 0x608060405234801561001057600080fd5b506004361061007d5760003560e01c80638da5cb5b1161005b5780638da5cb5b14610120578063dd9e294014610128578063ec56a373146101a1578063f2fde38b146101be5761007d565b80633581777314610082578063715018a61461010e5780638129fc1c14610118575b600080fd5b6100f26004803603602081101561009857600080fd5b810190602081... | {"success": true, "error": null, "results": {"detectors": [{"check": "write-after-write", "impact": "Medium", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-eth", ... | true | null | {'detectors': [{'check': 'write-after-write', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]... |
282 | 0x5f906a6af3f5d52dc84e0e472e95501f24ebaef0 | pragma solidity 0.6.10;
pragma experimental ABIEncoderV2;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a... | 0x608060405234801561001057600080fd5b506004361061025e5760003560e01c806391d1485411610146578063ca8df720116100c3578063d6832ea911610087578063d6832ea914610545578063d6b0f4841461054d578063dff0769714610555578063e630025a14610568578063ee7d3cad14610570578063f93c86f1146105785761025e565b8063ca8df720146104e4578063d2ae2c34146104f75780... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "reentrancy-no-eth", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality"... | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'},... |
283 | 0x5facd245d1597876d381e275dae31fe605820605 | pragma solidity 0.6.5;
pragma experimental ABIEncoderV2;
struct ProtocolBalance {
ProtocolMetadata metadata;
AdapterBalance[] adapterBalances;
}
struct ProtocolMetadata {
string name;
string description;
string websiteURL;
string iconURL;
uint256 version;
}
struct AdapterBalance ... | 0x608060405234801561001057600080fd5b50600436106100365760003560e01c80632a50c1461461003b57806379b1833414610064575b600080fd5b61004e6100493660046109ab565b610084565b60405161005b9190610cb2565b60405180910390f35b6100776100723660046109ab565b610187565b60405161005b9190610c00565b61008c610933565b60405180608001604052808373ffffffffff... | {"success": true, "error": null, "results": {}} | true | null | {} |
284 | 0x5FC48Bc1B54F718d6B307C8027207cD7c3bcc0EF | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
interface ERC20 {
function totalSupply() external view returns (uint);
function decimals() external view returns (uint);
function balanceOf(address tokenOwner) external view returns (uint balance);
function allowance(address tokenOwner, addr... | 0x608060405234801561001057600080fd5b50600436106100df5760003560e01c80639769c3fe1161008c578063b0ba4da011610066578063b0ba4da0146102ef578063c90db4471461031d578063d89784fc14610343578063ea2347e614610367576100df565b80639769c3fe1461022a5780639be65a6014610287578063a287fdbd146102ad576100df565b80633b73d67f116100bd5780633b73d67f14... | {"success": true, "error": null, "results": {"detectors": [{"check": "unchecked-lowlevel", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'unchecked-lowlevel', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}]} |
285 | 0x600184af62a0b4c46b94a5123e11f15399d538da | pragma solidity 0.4.21;
contract EIP20Interface {
/* This is a slight change to the ERC20 base standard.
function totalSupply() constant returns (uint256 supply);
is replaced with:
uint256 public totalSupply;
This automatically creates a getter function for the totalSupply.
This is ... | 0x6060604052600436106100af576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806306fdde03146100b4578063095ea7b31461014257806318160ddd1461019c57806323b872dd146101c557806327e235e31461023e578063313ce5671461028b5780635c658165146102ba57806370a082311461032657806395d89b4114610373578063a9059cbb... | {"success": true, "error": null, "results": {}} | true | null | {} |
286 | 0x609c9c1432f323ccee720d8bdbe94cf55a618445 | pragma solidity 0.6.0;
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() inter... | 0x608060405234801561001057600080fd5b506004361061012c5760003560e01c80636ebcf607116100ad57806398fd3f581161007157806398fd3f58146105ef578063a457c2d71461063d578063a9059cbb146106a3578063d2bd03b214610709578063dd62ed3e146107275761012c565b80636ebcf607146104545780636f309291146104ac57806370a08231146104f6578063931ad5091461054e5780... | {"success": true, "error": null, "results": {}} | true | null | {} |
287 | 0x60eb4245e3b960ee9c5145a378c1076c4554bcac | pragma solidity 0.6.10;
pragma experimental ABIEncoderV2;
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a... | 0x608060405234801561001057600080fd5b506004361061035d5760003560e01c806391d14854116101d3578063c34da52411610104578063d12fa445116100a2578063d8f272e11161007c578063d8f272e114610769578063dcbaac601461077c578063dcd3744d1461078f578063f5dc5442146107a45761035d565b8063d12fa4451461073b578063d45025f814610743578063d547741f146107565761... | {"success": true, "error": null, "results": {"detectors": [{"check": "write-after-write", "impact": "Medium", "confidence": "High"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "reentrancy-no-eth", ... | true | null | {'detectors': [{'check': 'write-after-write', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'reentrancy-no-eth', 'impact': 'Medium', 'confidence': 'Medium'}]... |
288 | 0x6154Cb64Db010c7f77B152A861059719D567DFA0 | pragma solidity 0.6.6;
pragma experimental ABIEncoderV2;
contract DSAuthEvents {
event LogSetAuthority(address indexed authority);
event LogSetOwner(address indexed owner);
}
contract DSAuth is DSAuthEvents {
DSAuthority public authority;
address public owner;
constructor() public {
... | 0x6080604052600436106102515760003560e01c80637753f47b11610139578063b20b7209116100b6578063deca5f881161007a578063deca5f8814610643578063e3bbb4f114610663578063eef21cd214610678578063f05def8114610698578063f24ccbfe146106b8578063f851a440146106cd57610251565b8063b20b7209146105c4578063bfc36172146105d9578063bfe142a3146105f9578063c9... | {"success": true, "error": null, "results": {"detectors": [{"check": "name-reused", "impact": "High", "confidence": "High"}, {"check": "erc20-interface", "impact": "Medium", "confidence": "High"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}, {"check": "unchecked-lowlevel", "impact": "Medium", ... | true | null | {'detectors': [{'check': 'name-reused', 'impact': 'High', 'confidence': 'High'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-lowlevel', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrec... |
289 | 0x61cb5d28c57b1a4e4b010498ffa922be60baa73f | pragma solidity 0.4.21;
contract EIP20Interface {
uint256 public totalSupply;
function balanceOf(address _owner) public view returns (uint256 balance);
function transfer(address _to, uint256 _value) public returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) pub... | 0x6060604052600436106100af576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806306fdde03146100b4578063095ea7b31461014257806318160ddd1461019c57806323b872dd146101c557806327e235e31461023e578063313ce5671461028b5780635c658165146102ba57806370a082311461032657806395d89b4114610373578063a9059cbb... | {"success": true, "error": null, "results": {}} | true | null | {} |
290 | 0x628F645A5A6D36fDE852b906ef18d38A128ed7d1 | pragma solidity 0.6.5;
pragma experimental ABIEncoderV2;
contract ERC20SubToken {
// TODO add natspec, currently blocked by solidity compiler issue
event Transfer(address indexed from, address indexed to, uint256 value);
// TODO add natspec, currently blocked by solidity compiler issue
event Appr... | 0x6080604052600436106101805760003560e01c80638f283970116100d6578063bf5c3e9f1161007f578063d1b8f6b311610059578063d1b8f6b314610406578063dc5074af14610426578063e97eb0a21461044657610180565b8063bf5c3e9f146103b1578063c96f8902146103d1578063caed3500146103f157610180565b8063b0e6bfaa116100b0578063b0e6bfaa1461034b578063b522ecff146103... | {"success": true, "error": null, "results": {"detectors": [{"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}, {"check": "uninitialized-local", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'uninitialized-local', 'impact': 'Medium', 'confidence': 'Medium'}]} |
291 | 0x62d315193d750947746a621805db6099179ef48e | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
... | 0x6080604052600436106103505760003560e01c8063798f60f2116101c6578063c9d27afe116100f7578063e23a9a5211610095578063f2b065371161006f578063f2b0653714610988578063f851a440146109a8578063fe0d94c1146109bd578063fed0a20e146109d057610350565b8063e23a9a521461092f578063e7f9cefd1461095e578063ecb4452c1461097357610350565b8063da35c664116100... | {"success": true, "error": null, "results": {"detectors": [{"check": "incorrect-equality", "impact": "Medium", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'incorrect-equality', 'impact': 'Medium', 'confidence': 'High'}]} |
292 | 0x62EE90d75f1BEc074A32160C7Ce3F30b999764Db | pragma solidity 0.5.17;
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() inte... | 0x608060405234801561001057600080fd5b506004361061014d5760003560e01c8063695d3985116100c3578063a457c2d71161007c578063a457c2d7146103d6578063a9059cbb14610402578063b84c82461461042e578063c47f00271461049e578063dd62ed3e1461050e578063fbfa77cf1461053c5761014d565b8063695d39851461034857806370a08231146103505780638da5cb5b146103765780... | {"success": true, "error": null, "results": {}} | true | null | {} |
293 | 0x63A995cfB3Badabe007263917024369529BaF26f | pragma solidity 0.5.15;
library Addresses {
function isContract(address account) internal view returns (bool) {
uint256 size;
// solium-disable-next-line security/no-inline-assembly
assembly {
size := extcodesize(account)
}
return size > 0;
}
f... | 0x6080604052600436106100295760003560e01c8063439fab91146100bc578063ffa1ad741461016f575b60006100406000356001600160e01b0319166101f9565b90506001600160a01b038116610098576040805162461bcd60e51b81526020600482015260186024820152772727afa1a7a72a2920a1aa2fa327a92fa32aa721aa24a7a760411b604482015290519081900360640190fd5b366000803760... | {"success": true, "error": null, "results": {"detectors": [{"check": "uninitialized-state", "impact": "High", "confidence": "High"}]}} | true | null | {'detectors': [{'check': 'uninitialized-state', 'impact': 'High', 'confidence': 'High'}]} |
294 | 0x6403BD92589F825FfeF6b62177FCe9149947cb9f | pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
contract DSAuthEvents {
event LogSetAuthority(address indexed authority);
event LogSetOwner(address indexed owner);
}
contract DSAuth is DSAuthEvents {
DSAuthority public authority;
address public owner;
constructor() public {
... | 0x6080604052600436106100e15760003560e01c806354123c121161007f578063a7304bf711610059578063a7304bf714610507578063deca5f881461053a578063f851a4401461056d578063f887ea4014610582576100e8565b806354123c121461035d5780635b6f36fc1461042e5780638da5cb5b146104f2576100e8565b80633924db66116100bb5780633924db66146101685780633a128322146102... | {"success": true, "error": null, "results": {"detectors": [{"check": "tx-origin", "impact": "Medium", "confidence": "Medium"}, {"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "name-reused", "impact": "High", "confidence": "High"}, {"check": "erc20-interface", "impact": "Medium... | true | null | {'detectors': [{'check': 'tx-origin', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'name-reused', 'impact': 'High', 'confidence': 'High'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'arbitra... |
295 | 0x6413fbb36c4990fdaebf3c315b2f5140c828707f | pragma solidity 0.7.0;
interface IOwnershipTransferrable {
function transferOwnership(address owner) external;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
}
abstract contract Ownable is IOwnershipTransferrable {
address private _owner;
constructor(address owner)... | 0x608060405234801561001057600080fd5b50600436106100ea5760003560e01c80638da5cb5b1161008c578063e8b96de111610066578063e8b96de11461020d578063eedad66b1461022a578063f2397f3e14610247578063f2fde38b1461026d576100ea565b80638da5cb5b146101b157806398807d84146101b957806399a88ec4146101df576100ea565b806364ab8675116100c857806364ab867514... | {"success": true, "error": null, "results": {"detectors": [{"check": "divide-before-multiply", "impact": "Medium", "confidence": "Medium"}, {"check": "unused-return", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'divide-before-multiply', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}]} |
296 | 0x64912352749e2be98c374b93a57f301f95cf1bff | pragma solidity 0.5.17;
interface IERC20 {
function totalSupply() external view returns (uint);
function balanceOf(address account) external view returns (uint);
function transfer(address recipient, uint amount) external returns (bool);
function allowance(address owner, address spender) external vi... | 0x608060405234801561001057600080fd5b506004361061009e5760003560e01c80638da5cb5b116100665780638da5cb5b14610231578063ac4afa381461027b578063d8b0a43d146102e9578063df2671cf14610341578063f5df3c6b146103995761009e565b806309ab1e14146100a357806312307e14146100ed5780634746942014610137578063541bcb761461018f57806370a08231146101d9575b... | {"success": true, "error": null, "results": {}} | true | null | {} |
297 | 0x65577180d4a5eca0f6382d0fc448b69344e04105 | pragma solidity 0.5.8;
contract Context {
constructor () internal { }
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
}
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
*... | 0x608060405234801561001057600080fd5b50600436106100b45760003560e01c80636349bc9a116100715780636349bc9a146102d057806370a08231146102ee57806395d89b4114610346578063a457c2d7146103c9578063a9059cbb1461042f578063dd62ed3e14610495576100b4565b806306fdde03146100b9578063095ea7b31461013c57806318160ddd146101a257806323b872dd146101c05780... | {"success": true, "error": null, "results": {}} | true | null | {} |
298 | 0x6691e334525b41a26c7398dbdc3c1e68fb3a7898 | pragma solidity 0.5.17;
interface IUniswapV2Router02 {
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
}
interface IERC20FeeProxy {
event Trans... | 0x608060405234801561001057600080fd5b506004361061009e5760003560e01c80638da5cb5b116100665780638da5cb5b146102b6578063a09b241d14610300578063c0d7865514610344578063c31c9c0714610388578063f2fde38b146103d25761009e565b806330e175c9146100a35780633cd3efef146100e7578063715018a6146101315780637262b4c51461013b5780638d09fe2b1461017f575b... | {"success": true, "error": null, "results": {"detectors": [{"check": "unchecked-transfer", "impact": "High", "confidence": "Medium"}, {"check": "unused-return", "impact": "Medium", "confidence": "Medium"}]}} | true | null | {'detectors': [{'check': 'unchecked-transfer', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unused-return', 'impact': 'Medium', 'confidence': 'Medium'}]} |
299 | 0x66a3915F06582142F05703A8EEBb6FDd73b8692a | pragma solidity 0.6.6;
pragma experimental ABIEncoderV2;
contract DSAuthEvents {
event LogSetAuthority(address indexed authority);
event LogSetOwner(address indexed owner);
}
contract DSAuth is DSAuthEvents {
DSAuthority public authority;
address public owner;
constructor() public {
... | 0x608060405234801561001057600080fd5b50600436106100935760003560e01c806382dfc5f71161006657806382dfc5f7146100e65780638823151b146100ee578063d36b907d146100f6578063e074bb47146100fe578063ef9486df1461011157610093565b8063329b8f591461009857806339df1878146100ad5780633d391f70146100cb5780634d9fb18f146100de575b600080fd5b6100ab6100a6... | {"success": true, "error": null, "results": {"detectors": [{"check": "name-reused", "impact": "High", "confidence": "High"}, {"check": "erc20-interface", "impact": "Medium", "confidence": "High"}, {"check": "arbitrary-send", "impact": "High", "confidence": "Medium"}, {"check": "unchecked-lowlevel", "impact": "Medium", ... | true | null | {'detectors': [{'check': 'name-reused', 'impact': 'High', 'confidence': 'High'}, {'check': 'erc20-interface', 'impact': 'Medium', 'confidence': 'High'}, {'check': 'arbitrary-send', 'impact': 'High', 'confidence': 'Medium'}, {'check': 'unchecked-lowlevel', 'impact': 'Medium', 'confidence': 'Medium'}, {'check': 'incorrec... |
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