From 79e806f6e9081385291dedfc924b4ac0b060092f Mon Sep 17 00:00:00 2001
From: James Prestwich <10149425+prestwich@users.noreply.github.com>
Date: Tue, 2 Mar 2021 14:19:20 -0800
Subject: [PATCH] bug: prevent interleaving websocket ID load/store operations
 (#217)

---
 ethers-providers/src/transports/ws.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ethers-providers/src/transports/ws.rs b/ethers-providers/src/transports/ws.rs
index a4165bbe..dcfee335 100644
--- a/ethers-providers/src/transports/ws.rs
+++ b/ethers-providers/src/transports/ws.rs
@@ -112,8 +112,7 @@ impl JsonRpcClient for Ws {
         method: &str,
         params: T,
     ) -> Result<R, ClientError> {
-        let next_id = self.id.load(Ordering::SeqCst) + 1;
-        self.id.store(next_id, Ordering::SeqCst);
+        let next_id = self.id.fetch_add(1, Ordering::SeqCst);
 
         // send the message
         let (sender, receiver) = oneshot::channel();