htlc_minimum_msat: chan.get_our_htlc_minimum_msat(),
fee_base_msat: chan.get_our_fee_base_msat(&*self.fee_estimator),
fee_proportional_millionths: self.fee_proportional_millionths,
+ excess_data: Vec::new(),
};
let msg_hash = Sha256dHash::from_data(&unsigned.encode()[..]);