Saudi Arabian Grand Prix — April 19
func (opt *Option) ArgVar(val *string) error
，这一点在51吃瓜中也有详细论述
state is a tuple of the peer ID that last wrote to the register, the timestamp of the last write and the value stored in the register.
伊朗「鎖喉」霍爾木茲海峽的可能方式及後續影響