X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchannelmanager.rs;h=020fc22cd1b79c4f684e047dff9355cd0825b41a;hb=63f0a31b597b32253c886d8e10115bd09f948e14;hp=abb20845c6c38290476fc33c189b2ab20e4a972e;hpb=6644ef138d3be24558cb5a6044397bcb75a5883e;p=rust-lightning

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index abb20845..020fc22c 100644
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -922,6 +922,12 @@ pub struct ChannelCounterparty {
 	/// Information on the fees and requirements that the counterparty requires when forwarding
 	/// payments to us through this channel.
 	pub forwarding_info: Option<CounterpartyForwardingInfo>,
+	/// The smallest value HTLC (in msat) the remote peer will accept, for this channel. This field
+	/// is only `None` before we have received either the `OpenChannel` or `AcceptChannel` message
+	/// from the remote peer, or for `ChannelCounterparty` objects serialized prior to LDK 0.0.107.
+	pub outbound_htlc_minimum_msat: Option<u64>,
+	/// The largest value HTLC (in msat) the remote peer currently will accept, for this channel.
+	pub outbound_htlc_maximum_msat: Option<u64>,
 }
 
 /// Details of a channel, as returned by ChannelManager::list_channels and ChannelManager::list_usable_channels
@@ -1675,6 +1681,14 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
 						features: InitFeatures::empty(),
 						unspendable_punishment_reserve: to_remote_reserve_satoshis,
 						forwarding_info: channel.counterparty_forwarding_info(),
+						// Ensures that we have actually received the `htlc_minimum_msat` value
+						// from the counterparty through the `OpenChannel` or `AcceptChannel`
+						// message (as they are always the first message from the counterparty).
+						// Else `Channel::get_counterparty_htlc_minimum_msat` could return the
+						// default `0` value set by `Channel::new_outbound`.
+						outbound_htlc_minimum_msat: if channel.have_received_message() {
+							Some(channel.get_counterparty_htlc_minimum_msat()) } else { None },
+						outbound_htlc_maximum_msat: channel.get_counterparty_htlc_maximum_msat(),
 					},
 					funding_txo: channel.get_funding_txo(),
 					// Note that accept_channel (or open_channel) is always the first message, so
@@ -5904,6 +5918,8 @@ impl_writeable_tlv_based!(ChannelCounterparty, {
 	(4, features, required),
 	(6, unspendable_punishment_reserve, required),
 	(8, forwarding_info, option),
+	(9, outbound_htlc_minimum_msat, option),
+	(11, outbound_htlc_maximum_msat, option),
 });
 
 impl_writeable_tlv_based!(ChannelDetails, {