let mut channel_monitor = ChannelMonitor::new(&chan_keys.revocation_base_key,
&PublicKey::from_secret_key(&secp_ctx, &chan_keys.delayed_payment_base_key).unwrap(),
&PublicKey::from_secret_key(&secp_ctx, &chan_keys.htlc_base_key).unwrap(),
let mut channel_monitor = ChannelMonitor::new(&chan_keys.revocation_base_key,
&PublicKey::from_secret_key(&secp_ctx, &chan_keys.delayed_payment_base_key).unwrap(),
&PublicKey::from_secret_key(&secp_ctx, &chan_keys.htlc_base_key).unwrap(),