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Solidity

// SPDX-License-Identifier: GPL-3.0
//
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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);
}