XXX: Track SCID aliases from our counterparty and use them in invoices

[rust-lightning] / lightning / src / ln / channelmanager.rs

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index 3aa5c7b2d6ca0c2c377128b86fd62c5899dbcf14..b1ea5b2ea8222ee5cfd65545c2a97ef079eb2a54 100644 (file)
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -1188,6 +1188,11 @@ pub struct ChannelDetails {
        /// The position of the funding transaction in the chain. None if the funding transaction has
        /// not yet been confirmed and the channel fully opened.
        pub short_channel_id: Option<u64>,
+       /// An optional [`short_channel_id`] alias for this channel, randomly generated by our
+       /// counterparty and usable in place of [`short_channel_id`] in invoice route hints. Our
+       /// counterparty will recognize the alias provided here in place of the [`short_channel_id`]
+       /// when they see a payment to be routed to us.
+       pub inbound_scid_alias: Option<u64>,
        /// The value, in satoshis, of this channel as appears in the funding output
        pub channel_value_satoshis: u64,
        /// The value, in satoshis, that must always be held in the channel for us. This value ensures
@@ -1812,6 +1817,7 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                                        },
                                        funding_txo: channel.get_funding_txo(),
                                        short_channel_id: channel.get_short_channel_id(),
+                                       inbound_scid_alias: channel.get_latest_inbound_scid_alias(),
                                        channel_value_satoshis: channel.get_value_satoshis(),
                                        unspendable_punishment_reserve: to_self_reserve_satoshis,
                                        balance_msat,