MorphoReader

{{
  "language": "Solidity",
  "sources": {
    "contracts/utils/external/MorphoReader.sol": {
      "content": "// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";

contract MorphoReader {
	struct Vars {
		bool success;
	    bytes execData;
	    bytes32 mid;
	}

	function getPositionValueInDebt(address account, address morpho, address loanToken, address collateralToken, address oracle, address irm, uint256 lltv) external view returns (uint256) {
		Vars memory vars;

		vars.mid = keccak256(
			abi.encode(loanToken, collateralToken, oracle, irm, lltv)
		);


		(vars.success, vars.execData) = morpho.staticcall(
			abi.encodeWithSignature(
				"position(bytes32,address)",
				vars.mid,
				account
			)
		);
		require(vars.success == true, "fail position call");
		(, uint128 borrowShares, uint128 collateralAmount) = abi.decode(vars.execData, (uint256, uint128, uint128));

		(vars.success, vars.execData) = morpho.staticcall(
			abi.encodeWithSignature(
				"market(bytes32)",
				vars.mid
			)
		);
		require(vars.success == true, "fail market call");
		(,,uint256 totalBorrowAssets,uint256 totalBorrowShares,,) = abi.decode(vars.execData, (uint128, uint128, uint128, uint128, uint128, uint128));


		(vars.success, vars.execData) = oracle.staticcall(
			abi.encodeWithSignature(
				"price()"
			)
		);
		require(vars.success == true, "fail price call");
		uint256 price = abi.decode(vars.execData,(uint256));

		uint256 ctdeciamls = IERC20Metadata(collateralToken).decimals();
		uint256 debtValueInLoanToken = (uint256(borrowShares) * totalBorrowAssets) / totalBorrowShares;
		uint256 collateralValueInLoanToken = (uint256(collateralAmount) *  price) / (10** ctdeciamls) / (10** (36 - ctdeciamls)) ;

		return collateralValueInLoanToken - debtValueInLoanToken;
	}


	function getCollateralValueInDebt(address account, address morpho, address loanToken, address collateralToken, address oracle, address irm, uint256 lltv) external view returns (uint256) {
		Vars memory vars;

		vars.mid = keccak256(
			abi.encode(loanToken, collateralToken, oracle, irm, lltv)
		);


		(vars.success, vars.execData) = morpho.staticcall(
			abi.encodeWithSignature(
				"position(bytes32,address)",
				vars.mid,
				account
			)
		);
		require(vars.success == true, "fail position call");
		(, , uint128 collateralAmount) = abi.decode(vars.execData, (uint256, uint128, uint128));

		(vars.success, vars.execData) = oracle.staticcall(
			abi.encodeWithSignature(
				"price()"
			)
		);
		require(vars.success == true, "fail price call");
		uint256 price = abi.decode(vars.execData,(uint256));

		uint256 ctdeciamls = IERC20Metadata(collateralToken).decimals();
		uint256 collateralValueInLoanToken = (uint256(collateralAmount) *  price) / (10** ctdeciamls) / (10** (36 - ctdeciamls)) ;

		return collateralValueInLoanToken;
	}

	function getDebtValue(address account, address morpho, address loanToken, address collateralToken, address oracle, address irm, uint256 lltv) external view returns (uint256) {
		Vars memory vars;

		vars.mid = keccak256(
			abi.encode(loanToken, collateralToken, oracle, irm, lltv)
		);


		(vars.success, vars.execData) = morpho.staticcall(
			abi.encodeWithSignature(
				"position(bytes32,address)",
				vars.mid,
				account
			)
		);
		require(vars.success == true, "fail position call");
		(, uint128 borrowShares,) = abi.decode(vars.execData, (uint256, uint128, uint128));

		(vars.success, vars.execData) = morpho.staticcall(
			abi.encodeWithSignature(
				"market(bytes32)",
				vars.mid
			)
		);
		require(vars.success == true, "fail market call");
		(,,uint256 totalBorrowAssets,uint256 totalBorrowShares,,) = abi.decode(vars.execData, (uint128, uint128, uint128, uint128, uint128, uint128));
		uint256 debtValueInLoanToken = (uint256(borrowShares) * totalBorrowAssets) / totalBorrowShares;

		return  debtValueInLoanToken;
	}
}

"
    },
    "lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}
"
    },
    "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
"
    }
  },
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      "bytecodeHash": "ipfs",
      "appendCBOR": true
    },
    "outputSelection": {
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          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "evmVersion": "london",
    "viaIR": false,
    "debug": {
      "revertStrings": "default"
    }
  }
}}