From b69f43bc6f35da881ca7a0c8ccc5fda92edd076d Mon Sep 17 00:00:00 2001
From: Richard Moore <me@ricmoo.com>
Date: Fri, 2 Feb 2024 03:10:40 -0500
Subject: [PATCH] Assert BrowserProvider receives an EIP-1193 provider to fail
 early when passing undefined ethereum object.

---
 src.ts/providers/provider-browser.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src.ts/providers/provider-browser.ts b/src.ts/providers/provider-browser.ts
index 6f95a60335..8b45957625 100644
--- a/src.ts/providers/provider-browser.ts
+++ b/src.ts/providers/provider-browser.ts
@@ -49,6 +49,8 @@ export class BrowserProvider extends JsonRpcApiPollingProvider {
      *  %%network%%.
      */
     constructor(ethereum: Eip1193Provider, network?: Networkish) {
+        assertArgument(ethereum && ethereum.request, "invalid EIP-1193 provider", "ethereum", ethereum);
+
         super(network, { batchMaxCount: 1 });
 
         this.#request = async (method: string, params: Array<any> | Record<string, any>) => {