From 9b35214e64327846e933692c7ad9fa22067a0c42 Mon Sep 17 00:00:00 2001
From: Kyle Peacock <kylpeacock@gmail.com>
Date: Fri, 11 Aug 2023 11:53:57 -0700
Subject: [PATCH] feat: HttpAgent now uses a default address

---
 docs/generated/changelog.html          | 4 ++++
 packages/agent/src/agent/http/index.ts | 5 ++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/docs/generated/changelog.html b/docs/generated/changelog.html
index f9f0c9bf3..164d6c2e2 100644
--- a/docs/generated/changelog.html
+++ b/docs/generated/changelog.html
@@ -12,6 +12,10 @@ <h1>Agent-JS Changelog</h1>
     <section>
       <h2>Version x.x.x</h2>
       <ul>
+        <li>
+          Feat: HttpAgent now uses a default address of https://icp-api.io. Users will be warned for
+          not setting a host, but the code will default to mainnet.
+        </li>
         <li>
           Feat: use webcrypto or node crypto instead of Math.random for nonce generation if
           available
diff --git a/packages/agent/src/agent/http/index.ts b/packages/agent/src/agent/http/index.ts
index 20e6929e4..9cce96e1a 100644
--- a/packages/agent/src/agent/http/index.ts
+++ b/packages/agent/src/agent/http/index.ts
@@ -205,7 +205,10 @@ export class HttpAgent implements Agent {
     } else {
       const location = typeof window !== 'undefined' ? window.location : undefined;
       if (!location) {
-        throw new Error('Must specify a host to connect to.');
+        this._host = new URL('https://icp-api.io');
+        console.warn(
+          'Could not infer host from window.location, defaulting to mainnet gateway of https://icp-api.io. Please provide a host to the HttpAgent constructor to avoid this warning.',
+        );
       }
       this._host = new URL(location + '');
     }