// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @title IDaiLikePermit
 * @dev Interface for Dai-like permit function allowing token spending via signatures.
 */
interface IDaiLikePermit {
    /**
     * @notice Approves spending of tokens via off-chain signatures.
     * @param holder Token holder's address.
     * @param spender Spender's address.
     * @param nonce Current nonce of the holder.
     * @param expiry Time when the permit expires.
     * @param allowed True to allow, false to disallow spending.
     * @param v, r, s Signature components.
     */
    function permit(
        address holder,
        address spender,
        uint256 nonce,
        uint256 expiry,
        bool allowed,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}