From 5a2f82478a47aaf9abb8b2844ee267d724fcef51 Mon Sep 17 00:00:00 2001
From: Franck Royer <franck@coblox.tech>
Date: Thu, 4 Feb 2021 17:13:03 +1100
Subject: [PATCH] Preemptively box cancel tx to avoid size difference in enum

---
 swap/src/database/alice.rs       | 2 +-
 swap/src/protocol/alice/state.rs | 2 +-
 swap/src/protocol/alice/swap.rs  | 5 ++++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/swap/src/database/alice.rs b/swap/src/database/alice.rs
index 42c7a2b3..9a9c4383 100644
--- a/swap/src/database/alice.rs
+++ b/swap/src/database/alice.rs
@@ -150,7 +150,7 @@ impl From<Alice> for AliceState {
 
                 AliceState::BtcCancelled {
                     state3: Box::new(state),
-                    tx_cancel,
+                    tx_cancel: Box::new(tx_cancel),
                 }
             }
             Alice::BtcPunishable(state3) => {
diff --git a/swap/src/protocol/alice/state.rs b/swap/src/protocol/alice/state.rs
index f6e45f9e..96f12cfa 100644
--- a/swap/src/protocol/alice/state.rs
+++ b/swap/src/protocol/alice/state.rs
@@ -46,7 +46,7 @@ pub enum AliceState {
     },
     BtcRedeemed,
     BtcCancelled {
-        tx_cancel: TxCancel,
+        tx_cancel: Box<TxCancel>,
         state3: Box<State3>,
     },
     BtcRefunded {
diff --git a/swap/src/protocol/alice/swap.rs b/swap/src/protocol/alice/swap.rs
index ee97954f..1a7268f3 100644
--- a/swap/src/protocol/alice/swap.rs
+++ b/swap/src/protocol/alice/swap.rs
@@ -304,7 +304,10 @@ async fn run_until_internal(
                 )
                 .await?;
 
-                let state = AliceState::BtcCancelled { state3, tx_cancel };
+                let state = AliceState::BtcCancelled {
+                    state3,
+                    tx_cancel: Box::new(tx_cancel),
+                };
                 let db_state = (&state).into();
                 db.insert_latest_state(swap_id, database::Swap::Alice(db_state))
                     .await?;