// SPDX-License-Identifier: MIT pragma solidity 0.8.17; library LibAddress { /** * @notice Will return true if provided address is a contract * @param account Address to verify if contract or not * @dev This contract will return false if called within the constructor of * a contract's deployment, as the code is not yet stored on-chain. */ function isContract(address account) internal view returns (bool) { uint256 csize; // solhint-disable-next-line no-inline-assembly assembly { csize := extcodesize(account) } return csize != 0; } }