// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.8.0;

type Id is bytes32;

struct MarketParams {
    address loanToken;
    address collateralToken;
    address oracle;
    address irm;
    uint256 lltv;
}

/// @dev Warning: For `feeRecipient`, `supplyShares` does not contain the accrued shares since the last interest
/// accrual.
struct Position {
    uint256 supplyShares;
    uint128 borrowShares;
    uint128 collateral;
}


interface IMorpho {
	function createMarket(MarketParams memory marketParams) external;

	function supply(
        MarketParams memory marketParams,
        uint256 assets,
        uint256 shares,
        address onBehalf,
        bytes calldata data
    ) external returns (uint256, uint256);

	function withdraw(
        MarketParams memory marketParams,
        uint256 assets,
        uint256 shares,
        address onBehalf,
        address receiver
    ) external returns (uint256, uint256);

	function borrow(
        MarketParams memory marketParams,
        uint256 assets,
        uint256 shares,
        address onBehalf,
        address receiver
    ) external returns (uint256, uint256);

	function repay(
        MarketParams memory marketParams,
        uint256 assets,
        uint256 shares,
        address onBehalf,
        bytes calldata data
    ) external returns (uint256, uint256);

	function supplyCollateral(MarketParams memory marketParams, uint256 assets, address onBehalf, bytes calldata data) external;

	function withdrawCollateral(MarketParams memory marketParams, uint256 assets, address onBehalf, address receiver) external;

	function position(Id id, address user) external view returns(Position memory);
}