From a298f504ac7f5c89e9dbc201721a89b1eeaa7663 Mon Sep 17 00:00:00 2001
From: Grzegorz Prusak <pompon.pompon@gmail.com>
Date: Tue, 10 Sep 2024 11:20:32 +0200
Subject: [PATCH] feat: human readable information for handshake failures
 (#196)

Error message suggesting checking the port configuration.
---
 node/actors/network/src/lib.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/node/actors/network/src/lib.rs b/node/actors/network/src/lib.rs
index 7f754809..41e953b5 100644
--- a/node/actors/network/src/lib.rs
+++ b/node/actors/network/src/lib.rs
@@ -180,7 +180,11 @@ impl Runner {
                         tracing::info!("new connection");
                         let (stream, endpoint) = preface::accept(ctx, stream)
                             .await
-                            .context("preface::accept()")?;
+                            .context("preface::accept()")
+                            .context(
+                                "establishing new incoming TCP connection failed. \
+                                The possible cause is that someone was trying to establish a non-consensus connection to the consensus port. \
+                                If you believe this connection should have succeeded, please check your port configuration")?;
                         match endpoint {
                             preface::Endpoint::ConsensusNet => {
                                 if let Some(c) = &self.net.consensus {