//thruster-protocol/thruster-treasure/contracts/ThrusterTreasure.sol
    function setWinningTickets(
        uint256 _round,
        uint256 _prizeIndex,
        uint64[] calldata sequenceNumbers,
        bytes32[] calldata userRandoms,
        bytes32[] calldata providerRandoms
    ) external onlyOwner {
...
        uint256[] memory _winningTickets = new uint256[](numWinners);
...
        require(_winningTickets.length == numWinners, "WTL");
}
