interface INNIncome {
    function increment() external view returns (uint);
    function setBlockCursor(uint blockCursor) external;
    /// @dev Get blockCursor value
    /// @return blockCursor value
    function getBlockCursor() external view returns (uint);
}
// 3.6NN挖矿合约
function getBlockCursor() external view returns (uint);

/// @dev Get blockCursor value
/// @return blockCursor value