From 3c9b29acaa01d6fa45bafc070be8302ad974d069 Mon Sep 17 00:00:00 2001
From: Koray Koska <11356621+koraykoska@users.noreply.github.com>
Date: Sun, 19 Feb 2023 17:10:01 +0000
Subject: [PATCH] fix: shutdown multithreaded eventloop group on deinit (#152)

* fix: shutdown multithreaded eventloop group on deinit

* fix: bump swift version
---
 .swift-version                                     | 2 +-
 Sources/FoundationHTTP/Web3WebSocketProvider.swift | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/.swift-version b/.swift-version
index 803d94e1..feb96e1d 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-5.6.3
+5.7.3
diff --git a/Sources/FoundationHTTP/Web3WebSocketProvider.swift b/Sources/FoundationHTTP/Web3WebSocketProvider.swift
index 8f04e481..287d36fa 100644
--- a/Sources/FoundationHTTP/Web3WebSocketProvider.swift
+++ b/Sources/FoundationHTTP/Web3WebSocketProvider.swift
@@ -97,6 +97,9 @@ public class Web3WebSocketProvider: Web3Provider, Web3BidirectionalProvider {
     deinit {
         closed = true
         _ = webSocket.close(code: .goingAway)
+
+        // As described in https://github.com/apple/swift-nio/issues/2371
+        try? wsEventLoopGroup.syncShutdownGracefully()
     }
 
     // MARK: - Web3Provider