// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

/// @notice Minimal ABI surface compatible with Chainlink VRF V2.5 subscriptions.
/// @dev This interface is not an oracle implementation or a proof verifier.
interface IVrfV25 {
    struct RandomWordsRequest {
        bytes32 keyHash;
        uint256 subId;
        uint16 requestConfirmations;
        uint32 callbackGasLimit;
        uint32 numWords;
        bytes extraArgs;
    }
    function createSubscription() external returns (uint256 subId);
    function addConsumer(uint256 subId, address consumer) external;
    function requestRandomWords(RandomWordsRequest calldata req) external returns (uint256 requestId);
    function fundSubscriptionWithNative(uint256 subId) external payable;
    function getSubscription(uint256 subId) external view returns (
        uint96 balance, uint96 nativeBalance, uint64 reqCount, address owner, address[] memory consumers
    );
}