/**
 * Copyright 2024 Circle Internet Financial, LTD. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

/**
 * @dev Interface for a contract, namely a currency token, that
 * exposes how many decimals it has. While IERC20 does not define
 * a `decimals` field, in practice, almost all standard ERC20s do
 * themselves have a `decimals` field.
 */
interface IDecimals {
    function decimals() external view returns (uint8);
}