X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Frouting%2Fgossip.rs;h=64f3585b95332d464b7ec593c64d88152369a36f;hb=61cf75265ebff493af5a04550a5ff8b250f3b2f6;hp=dc02206db24efbece6f434832d0061c113e563bf;hpb=af3a369ef1ce07057e07c24a1709b494ad62493b;p=rust-lightning

diff --git a/lightning/src/routing/gossip.rs b/lightning/src/routing/gossip.rs
index dc02206d..64f3585b 100644
--- a/lightning/src/routing/gossip.rs
+++ b/lightning/src/routing/gossip.rs
@@ -23,6 +23,7 @@ use bitcoin::network::constants::Network;
 use bitcoin::blockdata::constants::genesis_block;
 
 use crate::events::{MessageSendEvent, MessageSendEventsProvider};
+use crate::ln::ChannelId;
 use crate::ln::features::{ChannelFeatures, NodeFeatures, InitFeatures};
 use crate::ln::msgs::{DecodeError, ErrorAction, Init, LightningError, RoutingMessageHandler, NetAddress, MAX_VALUE_MSAT};
 use crate::ln::msgs::{ChannelAnnouncement, ChannelUpdate, NodeAnnouncement, GossipTimestampFilter};
@@ -254,7 +255,7 @@ pub struct P2PGossipSync<G: Deref<Target=NetworkGraph<L>>, U: Deref, L: Deref>
 where U::Target: UtxoLookup, L::Target: Logger
 {
 	network_graph: G,
-	utxo_lookup: Option<U>,
+	utxo_lookup: RwLock<Option<U>>,
 	#[cfg(feature = "std")]
 	full_syncs_requested: AtomicUsize,
 	pending_events: Mutex<Vec<MessageSendEvent>>,
@@ -273,7 +274,7 @@ where U::Target: UtxoLookup, L::Target: Logger
 			network_graph,
 			#[cfg(feature = "std")]
 			full_syncs_requested: AtomicUsize::new(0),
-			utxo_lookup,
+			utxo_lookup: RwLock::new(utxo_lookup),
 			pending_events: Mutex::new(vec![]),
 			logger,
 		}
@@ -282,8 +283,8 @@ where U::Target: UtxoLookup, L::Target: Logger
 	/// Adds a provider used to check new announcements. Does not affect
 	/// existing announcements unless they are updated.
 	/// Add, update or remove the provider would replace the current one.
-	pub fn add_utxo_lookup(&mut self, utxo_lookup: Option<U>) {
-		self.utxo_lookup = utxo_lookup;
+	pub fn add_utxo_lookup(&self, utxo_lookup: Option<U>) {
+		*self.utxo_lookup.write().unwrap() = utxo_lookup;
 	}
 
 	/// Gets a reference to the underlying [`NetworkGraph`] which was provided in
@@ -382,7 +383,7 @@ macro_rules! secp_verify_sig {
 					err: format!("Invalid signature on {} message", $msg_type),
 					action: ErrorAction::SendWarningMessage {
 						msg: msgs::WarningMessage {
-							channel_id: [0; 32],
+							channel_id: ChannelId::new_zero(),
 							data: format!("Invalid signature on {} message", $msg_type),
 						},
 						log_level: Level::Trace,
@@ -400,7 +401,7 @@ macro_rules! get_pubkey_from_node_id {
 				err: format!("Invalid public key on {} message", $msg_type),
 				action: ErrorAction::SendWarningMessage {
 					msg: msgs::WarningMessage {
-						channel_id: [0; 32],
+						channel_id: ChannelId::new_zero(),
 						data: format!("Invalid public key on {} message", $msg_type),
 					},
 					log_level: Level::Trace
@@ -443,7 +444,7 @@ where U::Target: UtxoLookup, L::Target: Logger
 	}
 
 	fn handle_channel_announcement(&self, msg: &msgs::ChannelAnnouncement) -> Result<bool, LightningError> {
-		self.network_graph.update_channel_from_announcement(msg, &self.utxo_lookup)?;
+		self.network_graph.update_channel_from_announcement(msg, &*self.utxo_lookup.read().unwrap())?;
 		Ok(msg.contents.excess_data.len() <= MAX_EXCESS_BYTES_FOR_RELAY)
 	}