From ecb54958ee10404245ff2120026c4c246a912276 Mon Sep 17 00:00:00 2001
From: Franck Royer <franck@coblox.tech>
Date: Thu, 4 Feb 2021 11:38:06 +1100
Subject: [PATCH] Preemptively Box few messages

---
 swap/src/protocol/alice.rs            | 11 +++++++----
 swap/src/protocol/alice/event_loop.rs |  4 ++--
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/swap/src/protocol/alice.rs b/swap/src/protocol/alice.rs
index 1c95eb19..b1585fc2 100644
--- a/swap/src/protocol/alice.rs
+++ b/swap/src/protocol/alice.rs
@@ -230,7 +230,7 @@ pub enum OutEvent {
         channel: ResponseChannel<AliceToBob>,
     },
     Message1 {
-        msg: bob::Message1,
+        msg: Box<bob::Message1>,
         channel: ResponseChannel<AliceToBob>,
     },
     Message2 {
@@ -239,7 +239,7 @@ pub enum OutEvent {
     },
     ExecutionSetupDone(Result<Box<State3>>),
     TransferProofAcknowledged,
-    EncryptedSignature(EncryptedSignature),
+    EncryptedSignature(Box<EncryptedSignature>),
 }
 
 impl From<peer_tracker::OutEvent> for OutEvent {
@@ -272,7 +272,10 @@ impl From<message0::OutEvent> for OutEvent {
 impl From<message1::OutEvent> for OutEvent {
     fn from(event: message1::OutEvent) -> Self {
         match event {
-            message1::OutEvent::Msg { msg, channel } => OutEvent::Message1 { msg, channel },
+            message1::OutEvent::Msg { msg, channel } => OutEvent::Message1 {
+                msg: Box::new(msg),
+                channel,
+            },
         }
     }
 }
@@ -307,7 +310,7 @@ impl From<transfer_proof::OutEvent> for OutEvent {
 impl From<encrypted_signature::OutEvent> for OutEvent {
     fn from(event: encrypted_signature::OutEvent) -> Self {
         match event {
-            encrypted_signature::OutEvent::Msg(msg) => OutEvent::EncryptedSignature(msg),
+            encrypted_signature::OutEvent::Msg(msg) => OutEvent::EncryptedSignature(Box::new(msg)),
         }
     }
 }
diff --git a/swap/src/protocol/alice/event_loop.rs b/swap/src/protocol/alice/event_loop.rs
index 685f4606..bc2bea31 100644
--- a/swap/src/protocol/alice/event_loop.rs
+++ b/swap/src/protocol/alice/event_loop.rs
@@ -244,7 +244,7 @@ impl EventLoop {
                             let _ = self.recv_message0.send((*msg, channel)).await;
                         }
                         OutEvent::Message1 { msg, channel } => {
-                            let _ = self.recv_message1.send((msg, channel)).await;
+                            let _ = self.recv_message1.send((*msg, channel)).await;
                         }
                         OutEvent::Message2 { msg, bob_peer_id : _} => {
                             let _ = self.recv_message2.send(*msg).await;
@@ -257,7 +257,7 @@ impl EventLoop {
                             let _ = self.recv_transfer_proof_ack.send(()).await;
                         }
                         OutEvent::EncryptedSignature(msg) => {
-                            let _ = self.recv_encrypted_signature.send(msg).await;
+                            let _ = self.recv_encrypted_signature.send(*msg).await;
                         }
                         OutEvent::Request(event) => {
                             let _ = self.request.send(*event).await;