IProjectFactory.sol

// SPDX-License-Identifier: MIT

pragma solidity 0.8.6;

/**
 * @title Interface for ProjectFactory for HomeFi v2.5.0

 * @dev This contract is used by HomeFi to create cheap clones of Project contract underlying
 */
interface IProjectFactory {
    /**
     * @dev Initialize this contract with HomeFi and master project address

     * @param _underlying the implementation address of project smart contract
     
     * @param _homeFi the latest address of HomeFi contract
     */
    function initialize(address _underlying, address _homeFi) external;

    /**
     * @notice Update project implementation

     * @dev Can only be called by HomeFi's admin

     * @param _underlying address of the implementation
     */
    function changeProjectImplementation(address _underlying) external;

    /**
     * @notice Create a clone for project contract.

     * @dev Can only be called via HomeFi

     * @param _currency address of the currency used by project
     * @param _sender address of the sender, builder

     * @return _clone address of the clone project contract
     */
    function createProject(address _currency, address _sender)
        external
        returns (address _clone);

    /// @notice Returns master implementation of project contract
    function underlying() external view returns (address);

    /// @notice Returns address of HomeFi contract
    function homeFi() external view returns (address);

    /**
     * @notice checks trustedForwarder on HomeFi contract
     
     * @param _forwarder address of contract forwarding meta tx
     */
    function isTrustedForwarder(address _forwarder)
        external
        view
        returns (bool);
}