Send AcceptChannel responses out-of-band to ensure ordered delivery

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

diff --git a/src/ln/msgs.rs b/src/ln/msgs.rs
index b5db51cf2bb4a200c58e6e03c0bf52a65626b54c..89c95b3b917e895d81194a283c1f88f1aa9a1235 100644 (file)
--- a/src/ln/msgs.rs
+++ b/src/ln/msgs.rs
@@ -168,6 +168,7 @@ pub struct Pong {
 }
 
 /// An open_channel message to be sent or received from a peer
+#[derive(Clone)]
 pub struct OpenChannel {
        pub(crate) chain_hash: Sha256dHash,
        pub(crate) temporary_channel_id: [u8; 32],
@@ -191,6 +192,7 @@ pub struct OpenChannel {
 }
 
 /// An accept_channel message to be sent or received from a peer
+#[derive(Clone)]
 pub struct AcceptChannel {
        pub(crate) temporary_channel_id: [u8; 32],
        pub(crate) dust_limit_satoshis: u64,
@@ -521,10 +523,10 @@ pub enum RAACommitmentOrder {
 ///
 /// Messages MAY be called in parallel when they originate from different their_node_ids, however
 /// they MUST NOT be called in parallel when the two calls have the same their_node_id.
-pub trait ChannelMessageHandler : events::EventsProvider + Send + Sync {
+pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Sync {
        //Channel init:
        /// Handle an incoming open_channel message from the given peer.
-       fn handle_open_channel(&self, their_node_id: &PublicKey, msg: &OpenChannel) -> Result<AcceptChannel, HandleError>;
+       fn handle_open_channel(&self, their_node_id: &PublicKey, msg: &OpenChannel) -> Result<(), HandleError>;
        /// Handle an incoming accept_channel message from the given peer.
        fn handle_accept_channel(&self, their_node_id: &PublicKey, msg: &AcceptChannel) -> Result<(), HandleError>;
        /// Handle an incoming funding_created message from the given peer.