From f5f099f878aebe49b005f52e1976ea5062dc0558 Mon Sep 17 00:00:00 2001
From: BobTheBuidler <70677534+BobTheBuidler@users.noreply.github.com>
Date: Tue, 30 Jul 2024 21:51:58 -0400
Subject: [PATCH] fix: alchemy tracing

---
 brownie/network/web3.py | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/brownie/network/web3.py b/brownie/network/web3.py
index 6c9227ffe..a040bb5c6 100644
--- a/brownie/network/web3.py
+++ b/brownie/network/web3.py
@@ -3,6 +3,7 @@
 import json
 import os
 import time
+from http import HTTPStatus
 from pathlib import Path
 from typing import Dict, Optional, Set
 
@@ -132,9 +133,12 @@ def supports_traces(self) -> bool:
                 response = self.provider.make_request("debug_traceTransaction", [])
                 self._supports_traces = bool(response["error"]["code"] != -32601)
             except HTTPError as e:
-                print(e.__dict__)
-                print(e.response.__dict__)
-                self._supports_traces = False
+                # Alchemy, a commonly used rpc, returns a [400] Bad Request response with the following text when the endpoint is present
+                alchemy_positive_response = b"expected at least 2 arguments but received 0: required parameters [transaction_hash, options]"
+                if e.response.status_code == HTTPStatus.BAD_REQUEST and alchemy_positive_response in e.response._content:
+                    self._supports_traces = True
+                else:
+                    self._supports_traces = False
 
         return self._supports_traces