Contract Address Details

0x0Bc03bd8d4aF1e8bab2194860268F5774C9d400a

Contract Name: JumpRateModel

Creator: 0xb96952–5ffbbc at 0x0519dc–8c74ee

Balance: 0 ETH ( )

Tokens: Fetching tokens... Error trying to fetch balances.

Transactions: 0 Transactions

Transfers: 0 Transfers

Gas Used: Fetching gas used...

Last Balance Update: 101612868

Transactions Internal Transactions Coin Balance History Logs Code Read Contract

This contract has been partially verified via Sourcify. View contract in Sourcify repository

Contract name:: JumpRateModel
Optimization enabled: true

Compiler version: v0.8.11+commit.d7f03943
Optimization runs: 3000

EVM Version: london
Verified at: 2023-09-01T20:00:14.953310Z

Constructor Arguments

00000000000000000000000000000000000000000000000000470de4df820000000000000000000000000000000000000000000000000000016345785d8a00000000000000000000000000000000000000000000000000000f207539952d00000000000000000000000000000000000000000000000000000b1a2bc2ec500000

Arg [0] (uint256) : 20000000000000000
Arg [1] (uint256) : 100000000000000000
Arg [2] (uint256) : 1090000000000000000
Arg [3] (uint256) : 800000000000000000

JumpRateModel.sol

pragma solidity 0.8.11;

/**
  * @title Aurigami Finance's InterestRateModel Interface
  */
abstract contract InterestRateModel {
    /// @notice Indicator that this is an InterestRateModel contract (for inspection)
    bool public constant isInterestRateModel = true;

    /**
      * @notice Calculates the current borrow interest rate per timestmp
      * @param cash The total amount of cash the market has
      * @param borrows The total amount of borrows the market has outstanding
      * @param reserves The total amount of reserves the market has
      * @return The borrow rate per timestmp (as a percentage, and scaled by 1e18)
      */
    function getBorrowRate(uint cash, uint borrows, uint reserves) external view virtual returns (uint);

    /**
      * @notice Calculates the current supply interest rate per timestmp
      * @param cash The total amount of cash the market has
      * @param borrows The total amount of borrows the market has outstanding
      * @param reserves The total amount of reserves the market has
      * @param reserveFactorMantissa The current reserve factor the market has
      * @return The supply rate per timestmp (as a percentage, and scaled by 1e18)
      */
    function getSupplyRate(uint cash, uint borrows, uint reserves, uint reserveFactorMantissa) external view virtual returns (uint);

}

/**
  * @title Aurigami's JumpRateModel Contract
  * @author Aurigami
  */
contract JumpRateModel is InterestRateModel {
    event NewInterestParams(uint baseRatePerTimestamp, uint multiplierPerTimestamp, uint jumpMultiplierPerTimestamp, uint kink);

    /**
     * @notice The approximate number of timestamps per year that is assumed by the interest rate model
     */
    uint public constant timestampsPerYear = 31536000; // 1 year

    /**
     * @notice The multiplier of utilization rate that gives the slope of the interest rate
     */
    uint public immutable multiplierPerTimestamp;

    /**
     * @notice The base interest rate which is the y-intercept when utilization rate is 0
     */
    uint public immutable baseRatePerTimestamp;

    /**
     * @notice The multiplierPerTimestamp after hitting a specified utilization point
     */
    uint public immutable jumpMultiplierPerTimestamp;

    /**
     * @notice The utilization point at which the jump multiplier is applied
     */
    uint public immutable kink;

    /**
     * @notice Construct an interest rate model
     * @param baseRatePerYear The approximate target base APR, as a mantissa (scaled by 1e18)
     * @param multiplierPerYear The rate of increase in interest rate wrt utilization (scaled by 1e18)
     * @param jumpMultiplierPerYear The multiplierPerTimestamp after hitting a specified utilization point
     * @param kink_ The utilization point at which the jump multiplier is applied
     */
    constructor(uint baseRatePerYear, uint multiplierPerYear, uint jumpMultiplierPerYear, uint kink_) {
        baseRatePerTimestamp = baseRatePerYear * 1e18 / timestampsPerYear / 1e18;
        multiplierPerTimestamp = multiplierPerYear * 1e18 / timestampsPerYear / 1e18;
        jumpMultiplierPerTimestamp = jumpMultiplierPerYear * 1e18 / timestampsPerYear / 1e18;
        kink = kink_;

        emit NewInterestParams(baseRatePerTimestamp, multiplierPerTimestamp, jumpMultiplierPerTimestamp, kink);
    }

    /**
     * @notice Calculates the utilization rate of the market: `borrows / (cash + borrows - reserves)`
     * @param cash The amount of cash in the market
     * @param borrows The amount of borrows in the market
     * @param reserves The amount of reserves in the market (currently unused)
     * @return The utilization rate as a mantissa between [0, 1e18]
     */
    function utilizationRate(uint cash, uint borrows, uint reserves) public pure returns (uint) {
        // Utilization rate is 0 when there are no borrows
        if (borrows == 0) {
            return 0;
        }

        return borrows * 1e18 / (cash + borrows - reserves);
    }

    /**
     * @notice Calculates the current borrow rate per timestmp
     * @param cash The amount of cash in the market
     * @param borrows The amount of borrows in the market
     * @param reserves The amount of reserves in the market
     * @return The borrow rate percentage per timestmp as a mantissa (scaled by 1e18)
     */
    function getBorrowRate(uint cash, uint borrows, uint reserves) public override view returns (uint) {
        uint util = utilizationRate(cash, borrows, reserves);

        if (util <= kink) {
            return util * multiplierPerTimestamp / 1e18 + baseRatePerTimestamp;
        } else {
            uint normalRate = kink * multiplierPerTimestamp / 1e18 + baseRatePerTimestamp;
            uint excessUtil = util - kink;
            return excessUtil * jumpMultiplierPerTimestamp / 1e18 + normalRate;
        }
    }

    /**
     * @notice Calculates the current supply rate per timestmp
     * @param cash The amount of cash in the market
     * @param borrows The amount of borrows in the market
     * @param reserves The amount of reserves in the market
     * @param reserveFactorMantissa The current reserve factor for the market
     * @return The supply rate percentage per timestmp as a mantissa (scaled by 1e18)
     */
    function getSupplyRate(uint cash, uint borrows, uint reserves, uint reserveFactorMantissa) public override view returns (uint) {
        uint oneMinusReserveFactor = 1e18 - reserveFactorMantissa;
        uint borrowRate = getBorrowRate(cash, borrows, reserves);
        uint rateToPool = borrowRate * oneMinusReserveFactor / 1e18;
        return utilizationRate(cash, borrows, reserves) * rateToPool / 1e18;
    }
}

Compiler Settings

{"remappings":[],"optimizer":{"runs":3000,"enabled":true},"metadata":{"bytecodeHash":"ipfs"},"libraries":{},"evmVersion":"london","compilationTarget":{"JumpRateModel.sol":"JumpRateModel"}}

Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"uint256","name":"baseRatePerYear","internalType":"uint256"},{"type":"uint256","name":"multiplierPerYear","internalType":"uint256"},{"type":"uint256","name":"jumpMultiplierPerYear","internalType":"uint256"},{"type":"uint256","name":"kink_","internalType":"uint256"}]},{"type":"event","name":"NewInterestParams","inputs":[{"type":"uint256","name":"baseRatePerTimestamp","internalType":"uint256","indexed":false},{"type":"uint256","name":"multiplierPerTimestamp","internalType":"uint256","indexed":false},{"type":"uint256","name":"jumpMultiplierPerTimestamp","internalType":"uint256","indexed":false},{"type":"uint256","name":"kink","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"baseRatePerTimestamp","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getBorrowRate","inputs":[{"type":"uint256","name":"cash","internalType":"uint256"},{"type":"uint256","name":"borrows","internalType":"uint256"},{"type":"uint256","name":"reserves","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getSupplyRate","inputs":[{"type":"uint256","name":"cash","internalType":"uint256"},{"type":"uint256","name":"borrows","internalType":"uint256"},{"type":"uint256","name":"reserves","internalType":"uint256"},{"type":"uint256","name":"reserveFactorMantissa","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isInterestRateModel","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"jumpMultiplierPerTimestamp","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"kink","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"multiplierPerTimestamp","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"timestampsPerYear","inputs":[]},{"type":"function","stateMutability":"pure","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"utilizationRate","inputs":[{"type":"uint256","name":"cash","internalType":"uint256"},{"type":"uint256","name":"borrows","internalType":"uint256"},{"type":"uint256","name":"reserves","internalType":"uint256"}]}]

Contract Creation Code

Verify & Publish

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Deployed ByteCode

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