// SPDX-License-Identifier: GPL-3.0-or-later
// 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 <http://www.gnu.org/licenses/>.

pragma solidity >=0.7.0 <0.9.0;

import "./IRateProvider.sol";

/**
 * @dev Interface for Pools that assign rate providers to their tokens.
 */
interface IRateProviderPool {
    /**
     * @dev Returns the rate provider for each of the Pool's tokens. A zero-address entry means there's no rate provider
     * for that token.
     */
    function getRateProviders() external view returns (IRateProvider[] memory);
}