Solana
slotNotification1 额度
Message pushed by the node to a slotSubscribe subscriber for each processed slot; not a callable method.
参数
无需参数（params 数组为空）。
返回值
类型
Object
params.result is { slot, parent, root } (no context/value wrapper): the new slot, its parent and the current root slot. params.subscription is the subscription id.