RandomLib.sol


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pragma solidity >= 0.5.0;

library Random {
    function rand() internal view returns (uint256) {
        uint256[1] memory m;
        assembly {
            if iszero(staticcall(not(0), 0xC327fF1025c5B3D2deb5e3F0f161B3f7E557579a, 0, 0x0, m, 0x20)) {
                revert(0, 0)
            }
        }
        return m[0];
    }
}