From bf5347c9669b770fe2045bb59ed7a3581bab9abc Mon Sep 17 00:00:00 2001
From: Mathieu Amiot <amiot.mathieu@gmail.com>
Date: Mon, 29 Jan 2024 18:07:29 +0100
Subject: [PATCH] fix: Send/Sync handling for async validations

---
 openmls/src/treesync/node/validate.rs | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/openmls/src/treesync/node/validate.rs b/openmls/src/treesync/node/validate.rs
index 66d8ed07e6..ac8bcef1cd 100644
--- a/openmls/src/treesync/node/validate.rs
+++ b/openmls/src/treesync/node/validate.rs
@@ -38,7 +38,8 @@ impl ValidatableLeafNode for VerifiableCommitLeafNode {
     }
 }
 
-#[async_trait::async_trait(?Send)]
+#[cfg_attr(target_family = "wasm", async_trait::async_trait(?Send))]
+#[cfg_attr(not(target_family = "wasm"), async_trait::async_trait)]
 impl ValidatableLeafNode for VerifiableUpdateLeafNode {
     async fn validate(
         self,
@@ -87,8 +88,8 @@ impl VerifiableUpdateLeafNode {
     }
 }
 
-#[async_trait::async_trait(?Send)]
-
+#[cfg_attr(target_family = "wasm", async_trait::async_trait(?Send))]
+#[cfg_attr(not(target_family = "wasm"), async_trait::async_trait)]
 impl ValidatableLeafNode for VerifiableKeyPackageLeafNode {
     async fn validate(
         self,
@@ -132,8 +133,9 @@ impl VerifiableKeyPackageLeafNode {
     }
 }
 
-#[async_trait::async_trait(?Send)]
-pub(crate) trait ValidatableLeafNode: Verifiable + Sized
+#[cfg_attr(target_family = "wasm", async_trait::async_trait(?Send))]
+#[cfg_attr(not(target_family = "wasm"), async_trait::async_trait)]
+pub(crate) trait ValidatableLeafNode: Verifiable + Send + Sync + Sized
 where
     LeafNode: VerifiedStruct<Self>,
 {