ctoken.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface CTokenInterface {
    function mint(uint256 mintAmount) external returns (uint256);

    function borrow(uint256 borrowAmount) external returns (uint256);

    function repayBorrow(uint256 repayAmount) external returns (uint256);

    function redeemUnderlying(uint256 redeemAmount) external returns (uint256);

    function redeem(uint256 redeemTokens) external returns (uint256);

    function exchangeRateCurrent() external returns (uint256);

    function balanceOf(address owner) external view returns (uint256 balance);

    function underlying() external view returns (address);

    function approve(address, uint256) external;

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

    function balanceOfUnderlying(address owner) external returns (uint256);

    function exchangeRateStored() external view returns (uint256);

    function transferFrom(
        address,
        address,
        uint256
    ) external returns (bool);

    function getCash() external view returns (uint256);

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

    function totalBorrowsCurrent() external returns (uint256);

    function totalSupply() external returns (uint256);

    function supplyRatePerBlock() external view returns (uint256);

    function borrowRatePerBlock() external view returns (uint256);

    event Mint(address minter, uint256 mintAmount, uint256 mintTokens);
    event Redeem(address redeemer, uint256 redeemAmount, uint256 redeemTokens);
    event Borrow(address borrower, uint256 borrowAmount, uint256 accountBorrows, uint256 totalBorrows);
    event RepayBorrow(
        address payer,
        address borrower,
        uint256 repayAmount,
        uint256 accountBorrows,
        uint256 totalBorrows
    );
    event LiquidateBorrow(
        address liquidator,
        address borrower,
        uint256 repayAmount,
        address cTokenCollateral,
        uint256 seizeTokens
    );
    event Transfer(address indexed from, address indexed to, uint256 amount);
    event Approval(address indexed owner, address indexed spender, uint256 amount);
}