Contract

/**
 *Submitted for verification at Etherscan.io on 2022-12-11
*/

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

/**
@title Borrow Controller
@notice Contract for limiting the contracts that are allowed to interact with markets
*/
contract BorrowController {
    
    address public operator;
    mapping(address => bool) public contractAllowlist;
    mapping(address => uint) public dailyLimits;
    mapping(address => mapping(uint => uint)) public dailyBorrows;

    constructor(address _operator) {
        operator = _operator;
    }

    modifier onlyOperator {
        require(msg.sender == operator, "Only operator");
        _;
    }
    
    /**
    @notice Sets the operator of the borrow controller. Only callable by the operator.
    @param _operator The address of the new operator.
    */
    function setOperator(address _operator) public onlyOperator { operator = _operator; }

    /**
    @notice Allows a contract to use the associated market.
    @param allowedContract The address of the allowed contract
    */
    function allow(address allowedContract) public onlyOperator { contractAllowlist[allowedContract] = true; }

    /**
    @notice Denies a contract to use the associated market
    @param deniedContract The addres of the denied contract
    */
    function deny(address deniedContract) public onlyOperator { contractAllowlist[deniedContract] = false; }

    /**
    @notice Sets the daily borrow limit for a specific market
    @param market The addres of the market contract
    @param limit The daily borrow limit amount
    */
    function setDailyLimit(address market, uint limit) public onlyOperator { dailyLimits[market] = limit; }

    /**
    @notice Checks if a borrow is allowed
    @dev Currently the borrowController checks if contracts are part of an allow list and enforces a daily limit
    @param msgSender The message sender trying to borrow
    @param amount The amount to be borrowed
    @return A boolean that is true if borrowing is allowed and false if not.
    */
    function borrowAllowed(address msgSender, address, uint amount) public returns (bool) {
        uint day = block.timestamp / 1 days;
        uint dailyLimit = dailyLimits[msg.sender];
        if(dailyLimit > 0) {
            if(dailyBorrows[msg.sender][day] + amount > dailyLimit) {
                return false;
            } else {
                //Safe to use unchecked, as function will revert in if statement if overflow
                unchecked{
                    dailyBorrows[msg.sender][day] += amount;
                }
            }
        }
        if(msgSender == tx.origin) return true;
        return contractAllowlist[msgSender];
    }

    /**
    @notice Reduces the daily limit used, when a user repays debt
    @dev This is necessary to prevent a DOS attack, where a user borrows the daily limit and immediately repays it again.
    @param amount Amount repaid in the market
    */
    function onRepay(uint amount) public {
        uint day = block.timestamp / 1 days;
        if(dailyBorrows[msg.sender][day] < amount) {
            dailyBorrows[msg.sender][day] = 0;
        } else {
            //Safe to use unchecked, as dailyBorow is checked to be higher than amount
            unchecked{
                dailyBorrows[msg.sender][day] -= amount;
            }
        }
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_operator","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"allowedContract","type":"address"}],"name":"allow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"msgSender","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"borrowAllowed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"contractAllowlist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"dailyBorrows","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"dailyLimits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"deniedContract","type":"address"}],"name":"deny","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"onRepay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"operator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"market","type":"address"},{"internalType":"uint256","name":"limit","type":"uint256"}],"name":"setDailyLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_operator","type":"address"}],"name":"setOperator","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000926df14a23be491164dcf93f4c468a50ef659d5b

-----Decoded View---------------
Arg [0] : _operator (address): 0x926dF14a23BE491164dCF93f4c468A50ef659D5B

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000926df14a23be491164dcf93f4c468a50ef659d5b

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ipfs://f3a5f7722346541d937c1991fa3f2ba4022a2c1be1a7c7ba551edb62195685f5