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/**
 *     NOTICE
 *
 *     The T-REX software is licensed under a proprietary license or the GPL v.3.
 *     If you choose to receive it under the GPL v.3 license, the following applies:
 *     T-REX is a suite of smart contracts implementing the ERC-3643 standard and
 *     developed by Tokeny to manage and transfer financial assets on EVM blockchains
 *
 *     Copyright (C) 2023, Tokeny sàrl.
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

pragma solidity 0.8.17;
interface IIAFactory {

    /// events

    /// event emitted when a new TREXImplementationAuthority is deployed
    event ImplementationAuthorityDeployed(address indexed _ia);

    /// functions

    /**
     *  @dev deploy a new TREXImplementationAuthority smart contract
     *  @param _token the token for which the new IA will be used
     *  function called by the `changeImplementationAuthority` function
     *  can be called only by the reference TREXImplementationAuthority contract
     *  the new contract deployed will contain all the versions from reference IA
     *  the new contract will be set on the same version as the reference IA
     *  ownership of the new IA is transferred to the Owner of the token
     *  emits a `ImplementationAuthorityDeployed` event
     *  returns the address of the IA contract deployed
     */
    function deployIA(address _token) external returns (address);

    /**
     *  @dev function used to know if an IA contract was deployed by the factory or not
     *  @param _ia the address of TREXImplementationAuthority contract
     */
    function deployedByFactory(address _ia) external view returns (bool);
}