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0x4797A68c8feB383c3372c0e098533aCf8eD95B26
 

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Deposit213545262024-12-08 1:36:1140 days ago1733621771IN
0x4797A68c...f8eD95B26
0 ETH0.006138049.50172879
Withdraw213295912024-12-04 14:00:2344 days ago1733320823IN
0x4797A68c...f8eD95B26
0 ETH0.016340925.79182643
Borrow213292432024-12-04 12:49:5944 days ago1733316599IN
0x4797A68c...f8eD95B26
0 ETH0.0076430921.61648004
Repay And Withdr...213255952024-12-04 0:36:1144 days ago1733272571IN
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0 ETH0.0137013320.49162351
Repay And Withdr...213253642024-12-03 23:49:4745 days ago1733269787IN
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0 ETH0.01658519.65963407
Repay212994582024-11-30 8:59:2348 days ago1732957163IN
0x4797A68c...f8eD95B26
0 ETH0.000604026.76728849
Withdraw211530512024-11-09 22:21:4769 days ago1731190907IN
0x4797A68c...f8eD95B26
0 ETH0.005998719.46812462
Repay211530452024-11-09 22:20:3569 days ago1731190835IN
0x4797A68c...f8eD95B26
0 ETH0.000839129.93282084
Withdraw211530132024-11-09 22:14:1169 days ago1731190451IN
0x4797A68c...f8eD95B26
0 ETH0.0089773511.25996653
Repay211530032024-11-09 22:12:1169 days ago1731190331IN
0x4797A68c...f8eD95B26
0 ETH0.0008466810.26533876
Withdraw211529702024-11-09 22:05:3569 days ago1731189935IN
0x4797A68c...f8eD95B26
0 ETH0.0091725111.2630135
Repay211529582024-11-09 22:03:1169 days ago1731189791IN
0x4797A68c...f8eD95B26
0 ETH0.000966311.05707631
Borrow211512802024-11-09 16:26:2369 days ago1731169583IN
0x4797A68c...f8eD95B26
0 ETH0.0040047711.19109555
Deposit211392532024-11-08 0:08:4771 days ago1731024527IN
0x4797A68c...f8eD95B26
0 ETH0.0117923918.7480892
Borrow210802942024-10-30 18:38:5979 days ago1730313539IN
0x4797A68c...f8eD95B26
0 ETH0.005060713.49729055
Borrow210487622024-10-26 9:00:1183 days ago1729933211IN
0x4797A68c...f8eD95B26
0 ETH0.001484283.93217462
Deposit210210852024-10-22 12:21:3587 days ago1729599695IN
0x4797A68c...f8eD95B26
0 ETH0.0072468511.52137157
Borrow210210372024-10-22 12:11:5987 days ago1729599119IN
0x4797A68c...f8eD95B26
0 ETH0.0035684410.09891696
Deposit210210202024-10-22 12:08:3587 days ago1729598915IN
0x4797A68c...f8eD95B26
0 ETH0.0064210810.20852806
Borrow210207422024-10-22 11:12:4787 days ago1729595567IN
0x4797A68c...f8eD95B26
0 ETH0.003144038.01961485
Deposit210168902024-10-21 22:17:4788 days ago1729549067IN
0x4797A68c...f8eD95B26
0 ETH0.003739315.78758563
Deposit And Borr...210168372024-10-21 22:07:1188 days ago1729548431IN
0x4797A68c...f8eD95B26
0 ETH0.00787366.77762995
Deposit210106132024-10-21 1:17:2388 days ago1729473443IN
0x4797A68c...f8eD95B26
0 ETH0.004626977.35719983
Borrow210105922024-10-21 1:13:1188 days ago1729473191IN
0x4797A68c...f8eD95B26
0 ETH0.002613917.39753717
Deposit210105622024-10-21 1:07:1188 days ago1729472831IN
0x4797A68c...f8eD95B26
0 ETH0.004713637.4949976
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212937192024-11-29 13:42:5949 days ago1732887779
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 Contract Creation0 ETH
212537222024-11-23 23:28:2355 days ago1732404503
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 Contract Creation0 ETH
212289132024-11-20 12:20:4758 days ago1732105247
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 Contract Creation0 ETH
211503972024-11-09 13:28:2369 days ago1731158903
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 Contract Creation0 ETH
211334312024-11-07 4:37:2371 days ago1730954243
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 Contract Creation0 ETH
210168372024-10-21 22:07:1188 days ago1729548431
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 Contract Creation0 ETH
210033082024-10-20 0:49:1189 days ago1729385351
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209821362024-10-17 1:55:2392 days ago1729130123
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 Contract Creation0 ETH
209584362024-10-13 18:27:1196 days ago1728844031
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 Contract Creation0 ETH
209318782024-10-10 1:19:2399 days ago1728523163
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 Contract Creation0 ETH
209318492024-10-10 1:13:3599 days ago1728522815
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x6A522f3B...5aA6C631E
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
Market

Compiler Version
v0.8.20+commit.a1b79de6

Optimization Enabled:
Yes with 10000 runs

Other Settings:
shanghai EvmVersion
File 1 of 2 : Market.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;
import "src/interfaces/IERC20.sol";

// Caution. We assume all failed transfers cause reverts and ignore the returned bool.
interface IOracle {
    function getPrice(address,uint) external returns (uint);
    function viewPrice(address,uint) external view returns (uint);
}

interface IEscrow {
    function initialize(IERC20 _token, address beneficiary) external;
    function onDeposit() external;
    function pay(address recipient, uint amount) external;
    function balance() external view returns (uint);
}

interface IDolaBorrowingRights {
    function onBorrow(address user, uint additionalDebt) external;
    function onRepay(address user, uint repaidDebt) external;
    function onForceReplenish(address user, address replenisher, uint amount, uint replenisherReward) external;
    function balanceOf(address user) external view returns (uint);
    function deficitOf(address user) external view returns (uint);
    function replenishmentPriceBps() external view returns (uint);
}

interface IBorrowController {
    function borrowAllowed(address msgSender, address borrower, uint amount) external returns (bool);
    function onRepay(uint amount) external;
}

contract Market {

    address public gov;
    address public lender;
    address public pauseGuardian;
    address public immutable escrowImplementation;
    IDolaBorrowingRights public immutable dbr;
    IBorrowController public borrowController;
    IERC20 public immutable dola = IERC20(0x865377367054516e17014CcdED1e7d814EDC9ce4);
    IERC20 public immutable collateral;
    IOracle public oracle;
    uint public collateralFactorBps;
    uint public replenishmentIncentiveBps;
    uint public liquidationIncentiveBps;
    uint public liquidationFeeBps;
    uint public liquidationFactorBps = 5000; // 50% by default
    bool immutable callOnDepositCallback;
    bool public borrowPaused;
    uint public totalDebt;
    uint256 internal immutable INITIAL_CHAIN_ID;
    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;
    mapping (address => IEscrow) public escrows; // user => escrow
    mapping (address => uint) public debts; // user => debt
    mapping(address => uint256) public nonces; // user => nonce

    constructor (
        address _gov,
        address _lender,
        address _pauseGuardian,
        address _escrowImplementation,
        IDolaBorrowingRights _dbr,
        IERC20 _collateral,
        IOracle _oracle,
        uint _collateralFactorBps,
        uint _replenishmentIncentiveBps,
        uint _liquidationIncentiveBps,
        bool _callOnDepositCallback
    ) {
        require(_collateralFactorBps < 10000, "Invalid collateral factor");
        require(_liquidationIncentiveBps > 0 && _liquidationIncentiveBps < 10000, "Invalid liquidation incentive");
        require(_replenishmentIncentiveBps < 10000, "Replenishment incentive must be less than 100%");
        gov = _gov;
        lender = _lender;
        pauseGuardian = _pauseGuardian;
        escrowImplementation = _escrowImplementation;
        dbr = _dbr;
        collateral = _collateral;
        oracle = _oracle;
        collateralFactorBps = _collateralFactorBps;
        replenishmentIncentiveBps = _replenishmentIncentiveBps;
        liquidationIncentiveBps = _liquidationIncentiveBps;
        callOnDepositCallback = _callOnDepositCallback;
        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
        if(collateralFactorBps > 0){
            uint unsafeLiquidationIncentive = (10000 - collateralFactorBps) * (liquidationFeeBps + 10000) / collateralFactorBps;
            require(liquidationIncentiveBps < unsafeLiquidationIncentive,  "Liquidation param allow profitable self liquidation");
        }
    }
    
    modifier onlyGov {
        require(msg.sender == gov, "Only gov can call this function");
        _;
    }

    modifier liquidationParamChecker {
        _;
        if(collateralFactorBps > 0){
            uint unsafeLiquidationIncentive = (10000 - collateralFactorBps) * (liquidationFeeBps + 10000) / collateralFactorBps;
            require(liquidationIncentiveBps < unsafeLiquidationIncentive,  "New liquidation param allow profitable self liquidation");
        }
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes("DBR MARKET")),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /**
    @notice sets the oracle to a new oracle. Only callable by governance.
    @param _oracle The new oracle conforming to the IOracle interface.
    */
    function setOracle(IOracle _oracle) public onlyGov { oracle = _oracle; }

    /**
    @notice sets the borrow controller to a new borrow controller. Only callable by governance.
    @param _borrowController The new borrow controller conforming to the IBorrowController interface.
    */
    function setBorrowController(IBorrowController _borrowController) public onlyGov { borrowController = _borrowController; }

    /**
    @notice sets the address of governance. Only callable by governance.
    @param _gov Address of the new governance.
    */
    function setGov(address _gov) public onlyGov { gov = _gov; }

    /**
    @notice sets the lender to a new lender. The lender is allowed to recall dola from the contract. Only callable by governance.
    @param _lender Address of the new lender.
    */
    function setLender(address _lender) public onlyGov { lender = _lender; }

    /**
    @notice sets the pause guardian. The pause guardian can pause borrowing. Only callable by governance.
    @param _pauseGuardian Address of the new pauseGuardian.
    */
    function setPauseGuardian(address _pauseGuardian) public onlyGov { pauseGuardian = _pauseGuardian; }
    
    /**
    @notice sets the Collateral Factor requirement of the market as measured in basis points. 1 = 0.01%. Only callable by governance.
    @dev Collateral factor mus be set below 100%
    @param _collateralFactorBps The new collateral factor as measured in basis points. 
    */
    function setCollateralFactorBps(uint _collateralFactorBps) public onlyGov liquidationParamChecker {
        require(_collateralFactorBps < 10000, "Invalid collateral factor");
        collateralFactorBps = _collateralFactorBps;
    }
    
    /**
    @notice sets the Liquidation Factor of the market as denoted in basis points.
     The liquidation Factor denotes the maximum amount of debt that can be liquidated in basis points.
     At 5000, 50% of of a borrower's underwater debt can be liquidated. Only callable by governance.
    @dev Must be set between 1 and 10000.
    @param _liquidationFactorBps The new liquidation factor in basis points. 1 = 0.01%/
    */
    function setLiquidationFactorBps(uint _liquidationFactorBps) public onlyGov {
        require(_liquidationFactorBps > 0 && _liquidationFactorBps <= 10000, "Invalid liquidation factor");
        liquidationFactorBps = _liquidationFactorBps;
    }

    /**
    @notice sets the Replenishment Incentive of the market as denoted in basis points.
     The Replenishment Incentive is the percentage paid out to replenishers on a successful forceReplenish call, denoted in basis points.
    @dev Must be set between 1 and 10000.
    @param _replenishmentIncentiveBps The new replenishment incentive set in basis points. 1 = 0.01%
    */
    function setReplenismentIncentiveBps(uint _replenishmentIncentiveBps) public onlyGov {
        require(_replenishmentIncentiveBps < 10000, "Invalid replenishment incentive");
        replenishmentIncentiveBps = _replenishmentIncentiveBps;
    }

    /**
    @notice sets the Liquidation Incentive of the market as denoted in basis points.
     The Liquidation Incentive is the percentage paid out to liquidators of a borrower's debt when successfully liquidated.
    @dev Must be set between 0 and 10000 - liquidation fee.
    @param _liquidationIncentiveBps The new liqudation incentive set in basis points. 1 = 0.01% 
    */
    function setLiquidationIncentiveBps(uint _liquidationIncentiveBps) public onlyGov liquidationParamChecker {
        require(_liquidationIncentiveBps > 0 && _liquidationIncentiveBps + liquidationFeeBps < 10000, "Invalid liquidation incentive");
        liquidationIncentiveBps = _liquidationIncentiveBps;
    }

    /**
    @notice sets the Liquidation Fee of the market as denoted in basis points.
     The Liquidation Fee is the percentage paid out to governance of a borrower's debt when successfully liquidated.
    @dev Must be set between 0 and 10000 - liquidation factor.
    @param _liquidationFeeBps The new liquidation fee set in basis points. 1 = 0.01%
    */
    function setLiquidationFeeBps(uint _liquidationFeeBps) public onlyGov liquidationParamChecker {
        require(_liquidationFeeBps + liquidationIncentiveBps < 10000, "Invalid liquidation fee");
        liquidationFeeBps = _liquidationFeeBps;
    }

    /**
    @notice Recalls amount of DOLA to the lender.
    @param amount The amount od DOLA to recall to the the lender.
    */
    function recall(uint amount) public {
        require(msg.sender == lender, "Only lender can recall");
        dola.transfer(msg.sender, amount);
    }

    /**
    @notice Pauses or unpauses borrowing for the market. Only gov can unpause a market, while gov and pauseGuardian can pause it.
    @param _value Boolean representing the state pause state of borrows. true = paused, false = unpaused.
    */
    function pauseBorrows(bool _value) public {
        if(_value) {
            require(msg.sender == pauseGuardian || msg.sender == gov, "Only pause guardian or governance can pause");
        } else {
            require(msg.sender == gov, "Only governance can unpause");
        }
        borrowPaused = _value;
    }

    /**
    @notice Internal function for creating an escrow for users to deposit collateral in.
    @dev Uses create2 and minimal proxies to create the escrow at a deterministic address
    @param user The address of the user to create an escrow for.
    */
    function createEscrow(address user) internal returns (IEscrow instance) {
        address implementation = escrowImplementation;
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create2(0, ptr, 0x37, user)
        }
        require(instance != IEscrow(address(0)), "ERC1167: create2 failed");
        emit CreateEscrow(user, address(instance));
    }

    /**
    @notice Internal function for getting the escrow of a user.
    @dev If the escrow doesn't exist, an escrow contract is deployed.
    @param user The address of the user owning the escrow.
    */
    function getEscrow(address user) internal returns (IEscrow) {
        if(escrows[user] != IEscrow(address(0))) return escrows[user];
        IEscrow escrow = createEscrow(user);
        escrow.initialize(collateral, user);
        escrows[user] = escrow;
        return escrow;
    }

    /**
    @notice Deposit amount of collateral into escrow
    @dev Will deposit the amount into the escrow contract.
    @param amount Amount of collateral token to deposit.
    */
    function deposit(uint amount) public {
        deposit(msg.sender, amount);
    }

    /**
    @notice Deposit and borrow in a single transaction.
    @param amountDeposit Amount of collateral token to deposit into escrow.
    @param amountBorrow Amount of DOLA to borrow.
    */
    function depositAndBorrow(uint amountDeposit, uint amountBorrow) public {
        deposit(amountDeposit);
        borrow(amountBorrow);
    }

    /**
    @notice Deposit amount of collateral into escrow on behalf of msg.sender
    @dev Will deposit the amount into the escrow contract.
    @param user User to deposit on behalf of.
    @param amount Amount of collateral token to deposit.
    */
    function deposit(address user, uint amount) public {
        IEscrow escrow = getEscrow(user);
        collateral.transferFrom(msg.sender, address(escrow), amount);
        if(callOnDepositCallback) {
            escrow.onDeposit();
        }
        emit Deposit(user, amount);
    }

    /**
    @notice View function for predicting the deterministic escrow address of a user.
    @dev Only use deposit() function for deposits and NOT the predicted escrow address unless you know what you're doing
    @param user Address of the user owning the escrow.
    */
    function predictEscrow(address user) public view returns (IEscrow predicted) {
        address implementation = escrowImplementation;
        address deployer = address(this);
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, implementation))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
            mstore(add(ptr, 0x38), shl(0x60, deployer))
            mstore(add(ptr, 0x4c), user)
            mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
            predicted := keccak256(add(ptr, 0x37), 0x55)
        }
    }

    /**
    @notice View function for getting the dollar value of the user's collateral in escrow for the market.
    @param user Address of the user.
    */
    function getCollateralValue(address user) public view returns (uint) {
        IEscrow escrow = predictEscrow(user);
        uint collateralBalance = escrow.balance();
        return collateralBalance * oracle.viewPrice(address(collateral), collateralFactorBps) / 1 ether;
    }

    /**
    @notice Internal function for getting the dollar value of the user's collateral in escrow for the market.
    @dev Updates the lowest price comparisons of the pessimistic oracle
    @param user Address of the user.
    */
    function getCollateralValueInternal(address user) internal returns (uint) {
        IEscrow escrow = predictEscrow(user);
        uint collateralBalance = escrow.balance();
        return collateralBalance * oracle.getPrice(address(collateral), collateralFactorBps) / 1 ether;
    }

    /**
    @notice View function for getting the credit limit of a user.
    @dev To calculate the available credit, subtract user debt from credit limit.
    @param user Address of the user.
    */
    function getCreditLimit(address user) public view returns (uint) {
        uint collateralValue = getCollateralValue(user);
        return collateralValue * collateralFactorBps / 10000;
    }

    /**
    @notice Internal function for getting the credit limit of a user.
    @dev To calculate the available credit, subtract user debt from credit limit. Updates the pessimistic oracle.
    @param user Address of the user.
    */
    function getCreditLimitInternal(address user) internal returns (uint) {
        uint collateralValue = getCollateralValueInternal(user);
        return collateralValue * collateralFactorBps / 10000;
    }
    /**
    @notice Internal function for getting the withdrawal limit of a user.
     The withdrawal limit is how much collateral a user can withdraw before their loan would be underwater. Updates the pessimistic oracle.
    @param user Address of the user.
    */
    function getWithdrawalLimitInternal(address user) internal returns (uint) {
        IEscrow escrow = predictEscrow(user);
        uint collateralBalance = escrow.balance();
        if(collateralBalance == 0) return 0;
        uint debt = debts[user];
        if(debt == 0) return collateralBalance;
        if(collateralFactorBps == 0) return 0;
        uint minimumCollateral = debt * 1 ether / oracle.getPrice(address(collateral), collateralFactorBps) * 10000 / collateralFactorBps;
        if(collateralBalance <= minimumCollateral) return 0;
        return collateralBalance - minimumCollateral;
    }

    /**
    @notice View function for getting the withdrawal limit of a user.
     The withdrawal limit is how much collateral a user can withdraw before their loan would be underwater.
    @param user Address of the user.
    */
    function getWithdrawalLimit(address user) public view returns (uint) {
        IEscrow escrow = predictEscrow(user);
        uint collateralBalance = escrow.balance();
        if(collateralBalance == 0) return 0;
        uint debt = debts[user];
        if(debt == 0) return collateralBalance;
        if(collateralFactorBps == 0) return 0;
        uint minimumCollateral = debt * 1 ether / oracle.viewPrice(address(collateral), collateralFactorBps) * 10000 / collateralFactorBps;
        if(collateralBalance <= minimumCollateral) return 0;
        return collateralBalance - minimumCollateral;
    }

    /**
    @notice Internal function for borrowing DOLA against collateral.
    @dev This internal function is shared between the borrow and borrowOnBehalf function
    @param borrower The address of the borrower that debt will be accrued to.
    @param to The address that will receive the borrowed DOLA
    @param amount The amount of DOLA to be borrowed
    */
    function borrowInternal(address borrower, address to, uint amount) internal {
        require(!borrowPaused, "Borrowing is paused");
        if(borrowController != IBorrowController(address(0))) {
            require(borrowController.borrowAllowed(msg.sender, borrower, amount), "Denied by borrow controller");
        }
        uint credit = getCreditLimitInternal(borrower);
        debts[borrower] += amount;
        require(credit >= debts[borrower], "Exceeded credit limit");
        totalDebt += amount;
        dbr.onBorrow(borrower, amount);
        dola.transfer(to, amount);
        emit Borrow(borrower, amount);
    }

    /**
    @notice Function for borrowing DOLA.
    @dev Will borrow to msg.sender
    @param amount The amount of DOLA to be borrowed.
    */
    function borrow(uint amount) public {
        borrowInternal(msg.sender, msg.sender, amount);
    }

    /**
    @notice Function for using a signed message to borrow on behalf of an address owning an escrow with collateral.
    @dev Signed messaged can be invalidated by incrementing the nonce. Will always borrow to the msg.sender.
    @param from The address of the user being borrowed from
    @param amount The amount to be borrowed
    @param deadline Timestamp after which the signed message will be invalid
    @param v The v param of the ECDSA signature
    @param r The r param of the ECDSA signature
    @param s The s param of the ECDSA signature
    */
    function borrowOnBehalf(address from, uint amount, uint deadline, uint8 v, bytes32 r, bytes32 s) public {
        require(deadline >= block.timestamp, "DEADLINE_EXPIRED");
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "BorrowOnBehalf(address caller,address from,uint256 amount,uint256 nonce,uint256 deadline)"
                                ),
                                msg.sender,
                                from,
                                amount,
                                nonces[from]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );
            require(recoveredAddress != address(0) && recoveredAddress == from, "INVALID_SIGNER");
            borrowInternal(from, msg.sender, amount);
        }
    }

    /**
    @notice Internal function for withdrawing from the escrow
    @dev The internal function is shared by the withdraw function and withdrawOnBehalf function
    @param from The address owning the escrow to withdraw from.
    @param to The address receiving the tokens
    @param amount The amount being withdrawn.
    */
    function withdrawInternal(address from, address to, uint amount) internal {
        uint limit = getWithdrawalLimitInternal(from);
        require(limit >= amount, "Insufficient withdrawal limit");
        require(dbr.deficitOf(from) == 0, "Can't withdraw with DBR deficit");
        IEscrow escrow = getEscrow(from);
        escrow.pay(to, amount);
        emit Withdraw(from, to, amount);
    }

    /**
    @notice Function for withdrawing to msg.sender.
    @param amount Amount to withdraw.
    */
    function withdraw(uint amount) public {
        withdrawInternal(msg.sender, msg.sender, amount);
    }

    /**
    @notice Function for withdrawing maximum allowed to msg.sender.
    @dev Useful for use with escrows that continously compound tokens, so there won't be dust amounts left
    @dev Dangerous to use when the user has any amount of debt!
    */
    function withdrawMax() public {
        withdrawInternal(msg.sender, msg.sender, getWithdrawalLimitInternal(msg.sender));
    }

    /**
    @notice Function for using a signed message to withdraw on behalf of an address owning an escrow with collateral.
    @dev Signed messaged can be invalidated by incrementing the nonce. Will always withdraw to the msg.sender.
    @param from The address of the user owning the escrow being withdrawn from
    @param amount The amount to be withdrawn
    @param deadline Timestamp after which the signed message will be invalid
    @param v The v param of the ECDSA signature
    @param r The r param of the ECDSA signature
    @param s The s param of the ECDSA signature
    */
    function withdrawOnBehalf(address from, uint amount, uint deadline, uint8 v, bytes32 r, bytes32 s) public {
        require(deadline >= block.timestamp, "DEADLINE_EXPIRED");
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "WithdrawOnBehalf(address caller,address from,uint256 amount,uint256 nonce,uint256 deadline)"
                                ),
                                msg.sender,
                                from,
                                amount,
                                nonces[from]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );
            require(recoveredAddress != address(0) && recoveredAddress == from, "INVALID_SIGNER");
            withdrawInternal(from, msg.sender, amount);
        }
    }

    /**
    @notice Function for using a signed message to withdraw on behalf of an address owning an escrow with collateral.
    @dev Signed messaged can be invalidated by incrementing the nonce. Will always withdraw to the msg.sender.
    @dev Useful for use with escrows that continously compound tokens, so there won't be dust amounts left
    @dev Dangerous to use when the user has any amount of debt!
    @param from The address of the user owning the escrow being withdrawn from
    @param deadline Timestamp after which the signed message will be invalid
    @param v The v param of the ECDSA signature
    @param r The r param of the ECDSA signature
    @param s The s param of the ECDSA signature
    */
    function withdrawMaxOnBehalf(address from, uint deadline, uint8 v, bytes32 r, bytes32 s) public {
        require(deadline >= block.timestamp, "DEADLINE_EXPIRED");
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "WithdrawMaxOnBehalf(address caller,address from,uint256 nonce,uint256 deadline)"
                                ),
                                msg.sender,
                                from,
                                nonces[from]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );
            require(recoveredAddress != address(0) && recoveredAddress == from, "INVALID_SIGNER");
            withdrawInternal(from, msg.sender, getWithdrawalLimitInternal(from));
        }
    }

    /**
    @notice Function for incrementing the nonce of the msg.sender, making their latest signed message unusable.
    */
    function invalidateNonce() public {
        nonces[msg.sender]++;
    }
    
    /**
    @notice Function for repaying debt on behalf of user. Debt must be repaid in DOLA.
    @dev If the user has a DBR deficit, they risk initial debt being accrued by forced replenishments.
    @param user Address of the user whose debt is being repaid
    @param amount DOLA amount to be repaid. If set to max uint debt will be repaid in full.
    */
    function repay(address user, uint amount) public {
        uint debt = debts[user];
        if(amount == type(uint).max){
            amount = debt;
        }
        require(debt >= amount, "Repayment greater than debt");
        debts[user] -= amount;
        totalDebt -= amount;
        dbr.onRepay(user, amount);
        if(address(borrowController) != address(0)){
            borrowController.onRepay(amount);
        }
        dola.transferFrom(msg.sender, address(this), amount);
        emit Repay(user, msg.sender, amount);
    }

    /**
    @notice Bundles repayment and withdrawal into a single function call.
    @param repayAmount Amount of DOLA to be repaid
    @param withdrawAmount Amount of underlying to be withdrawn from the escrow
    */
    function repayAndWithdraw(uint repayAmount, uint withdrawAmount) public {
        repay(msg.sender, repayAmount);
        withdraw(withdrawAmount);
    }

    /**
    @notice Function for forcing a user to replenish their DBR deficit at a pre-determined price.
     The replenishment will accrue additional DOLA debt.
     On a successful call, the caller will be paid a replenishment incentive.
    @dev The function will only top the user back up to 0, meaning that the user will have a DBR deficit again in the next block.
    @param user The address of the user being forced to replenish DBR
    @param amount The amount of DBR the user will be replenished.
    */
    function forceReplenish(address user, uint amount) public {
        uint deficit = dbr.deficitOf(user);
        require(deficit > 0, "No DBR deficit");
        require(deficit >= amount, "Amount > deficit");
        uint replenishmentCost = amount * dbr.replenishmentPriceBps() / 10000;
        uint replenisherReward = replenishmentCost * replenishmentIncentiveBps / 10000;
        debts[user] += replenishmentCost;
        uint collateralValue = getCollateralValueInternal(user) * (10000 - liquidationIncentiveBps - liquidationFeeBps) / 10000;
        require(collateralValue >= debts[user], "Exceeded collateral value");
        totalDebt += replenishmentCost;
        dbr.onForceReplenish(user, msg.sender, amount, replenisherReward);
        dola.transfer(msg.sender, replenisherReward);
    }
    /**
    @notice Function for forcing a user to replenish all of their DBR deficit at a pre-determined price.
     The replenishment will accrue additional DOLA debt.
     On a successful call, the caller will be paid a replenishment incentive.
    @dev The function will only top the user back up to 0, meaning that the user will have a DBR deficit again in the next block.
    @param user The address of the user being forced to replenish DBR
    */
    function forceReplenishAll(address user) public {
        uint deficit = dbr.deficitOf(user);
        forceReplenish(user, deficit);
    }

    /**
    @notice Function for liquidating a user's under water debt. Debt is under water when the value of a user's debt is above their collateral factor.
    @param user The user to be liquidated
    @param repaidDebt Th amount of user user debt to liquidate.
    */
    function liquidate(address user, uint repaidDebt) public {
        require(repaidDebt > 0, "Must repay positive debt");
        uint debt = debts[user];
        require(getCreditLimitInternal(user) < debt, "User debt is healthy");
        require(repaidDebt <= debt * liquidationFactorBps / 10000, "Exceeded liquidation factor");
        uint price = oracle.getPrice(address(collateral), collateralFactorBps);
        uint liquidatorReward = repaidDebt * 1 ether / price;
        liquidatorReward += liquidatorReward * liquidationIncentiveBps / 10000;
        debts[user] -= repaidDebt;
        totalDebt -= repaidDebt;
        dbr.onRepay(user, repaidDebt);
        if(address(borrowController) != address(0)){
            borrowController.onRepay(repaidDebt);
        }
        dola.transferFrom(msg.sender, address(this), repaidDebt);
        IEscrow escrow = predictEscrow(user);
        escrow.pay(msg.sender, liquidatorReward);
        if(liquidationFeeBps > 0) {
            uint liquidationFee = repaidDebt * 1 ether / price * liquidationFeeBps / 10000;
            uint balance = escrow.balance();
            if(balance >= liquidationFee) {
                escrow.pay(gov, liquidationFee);
            } else if(balance > 0) {
                escrow.pay(gov, balance);
            }
        }
        emit Liquidate(user, msg.sender, repaidDebt, liquidatorReward);
    }
    
    event Deposit(address indexed account, uint amount);
    event Borrow(address indexed account, uint amount);
    event Withdraw(address indexed account, address indexed to, uint amount);
    event Repay(address indexed account, address indexed repayer, uint amount);
    event Liquidate(address indexed account, address indexed liquidator, uint repaidDebt, uint liquidatorReward);
    event CreateEscrow(address indexed user, address escrow);
}

File 2 of 2 : IERC20.sol
pragma solidity ^0.8.13;

interface IERC20 {
    function approve(address,uint) external;
    function transfer(address,uint) external returns (bool);
    function transferFrom(address,address,uint) external returns (bool);
    function balanceOf(address) external view returns (uint);
    function allowance(address from, address to) external view returns (uint);
}

interface IMintable is IERC20 {
    function mint(address,uint) external;
    function burn(uint) external;
    function addMinter(address minter) external;
}

interface IDelegateableERC20 is IERC20 {
    function delegate(address delegatee) external;
    function delegates(address delegator) external view returns (address delegatee);
}

Settings
{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solmate/=lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false,
  "libraries": {}
}

Contract Security Audit

Contract ABI

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IOracle","name":"_oracle","type":"address"},{"internalType":"uint256","name":"_collateralFactorBps","type":"uint256"},{"internalType":"uint256","name":"_replenishmentIncentiveBps","type":"uint256"},{"internalType":"uint256","name":"_liquidationIncentiveBps","type":"uint256"},{"internalType":"bool","name":"_callOnDepositCallback","type":"bool"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Borrow","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"address","name":"escrow","type":"address"}],"name":"CreateEscrow","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"liquidator","type":"address"},{"indexed":false,"internalType":"uint256","name":"repaidDebt","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"liquidatorReward","type":"uint256"}],"name":"Liquidate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"repayer","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Repay","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"borrow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"borrowController","outputs":[{"internalType":"contract IBorrowController","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"borrowOnBehalf","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"borrowPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"collateral","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"collateralFactorBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dbr","outputs":[{"internalType":"contract IDolaBorrowingRights","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"debts","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountDeposit","type":"uint256"},{"internalType":"uint256","name":"amountBorrow","type":"uint256"}],"name":"depositAndBorrow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"dola","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"escrowImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"escrows","outputs":[{"internalType":"contract IEscrow","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"forceReplenish","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"forceReplenishAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getCollateralValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getCreditLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getWithdrawalLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"gov","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"invalidateNonce","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"repaidDebt","type":"uint256"}],"name":"liquidate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"liquidationFactorBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidationFeeBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidationIncentiveBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oracle","outputs":[{"internalType":"contract IOracle","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_value","type":"bool"}],"name":"pauseBorrows","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"pauseGuardian","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"predictEscrow","outputs":[{"internalType":"contract IEscrow","name":"predicted","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"recall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"repay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"repayAmount","type":"uint256"},{"internalType":"uint256","name":"withdrawAmount","type":"uint256"}],"name":"repayAndWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"replenishmentIncentiveBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IBorrowController","name":"_borrowController","type":"address"}],"name":"setBorrowController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_collateralFactorBps","type":"uint256"}],"name":"setCollateralFactorBps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_gov","type":"address"}],"name":"setGov","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_lender","type":"address"}],"name":"setLender","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_liquidationFactorBps","type":"uint256"}],"name":"setLiquidationFactorBps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_liquidationFeeBps","type":"uint256"}],"name":"setLiquidationFeeBps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_liquidationIncentiveBps","type":"uint256"}],"name":"setLiquidationIncentiveBps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IOracle","name":"_oracle","type":"address"}],"name":"setOracle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_pauseGuardian","type":"address"}],"name":"setPauseGuardian","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_replenishmentIncentiveBps","type":"uint256"}],"name":"setReplenismentIncentiveBps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalDebt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawMax","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"withdrawMaxOnBehalf","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"withdrawOnBehalf","outputs":[],"stateMutability":"nonpayable","type":"function"}]

Deployed Bytecode

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