From af84d41471f2e84be9f6a565eb5a22bce4790013 Mon Sep 17 00:00:00 2001
From: ChrisD <18092467+ChristopherDedominici@users.noreply.github.com>
Date: Tue, 17 Dec 2024 15:04:25 +0100
Subject: [PATCH] use flag to initialize chai-matchers only one

---
 .../src/internal/hook-handlers/network.ts                  | 7 ++++++-
 .../test/multi-network-connections.ts                      | 6 ++----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/v-next/hardhat-chai-matchers/src/internal/hook-handlers/network.ts b/v-next/hardhat-chai-matchers/src/internal/hook-handlers/network.ts
index 14d528c730..ba9bb2d835 100644
--- a/v-next/hardhat-chai-matchers/src/internal/hook-handlers/network.ts
+++ b/v-next/hardhat-chai-matchers/src/internal/hook-handlers/network.ts
@@ -10,12 +10,17 @@ import type {
 import { addChaiMatchers } from "../add-chai-matchers.js";
 
 export default async (): Promise<Partial<NetworkHooks>> => {
+  let isInitialized = false;
+
   const handlers: Partial<NetworkHooks> = {
     async newConnection<ChainTypeT extends ChainType | string>(
       context: HookContext,
       next: (context: HookContext) => Promise<NetworkConnection<ChainTypeT>>,
     ) {
-      addChaiMatchers();
+      if (!isInitialized) {
+        addChaiMatchers();
+        isInitialized = true;
+      }
 
       return next(context);
     },
diff --git a/v-next/hardhat-chai-matchers/test/multi-network-connections.ts b/v-next/hardhat-chai-matchers/test/multi-network-connections.ts
index 90c899d7f7..c9f4060ccd 100644
--- a/v-next/hardhat-chai-matchers/test/multi-network-connections.ts
+++ b/v-next/hardhat-chai-matchers/test/multi-network-connections.ts
@@ -11,9 +11,7 @@ import { createHardhatRuntimeEnvironment } from "@ignored/hardhat-vnext/hre";
 import hardhatEthersPlugin from "@ignored/hardhat-vnext-ethers";
 import { expect } from "chai";
 
-import { addChaiMatchers } from "../src/internal/add-chai-matchers.js";
-
-addChaiMatchers();
+import hardhatChaiMatchersPlugin from "../src/index.js";
 
 describe("handle multiple connections", () => {
   let sender: HardhatEthersSigner;
@@ -30,7 +28,7 @@ describe("handle multiple connections", () => {
 
   before(async () => {
     const hre = await createHardhatRuntimeEnvironment({
-      plugins: [hardhatEthersPlugin],
+      plugins: [hardhatChaiMatchersPlugin, hardhatEthersPlugin],
       networks: {
         test1: {
           type: "edr",