From 9c12bd15e0f9914d7c8c960c96ce4ec4218d04b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Marcos?=
 <164224824+marcospb19-cw@users.noreply.github.com>
Date: Wed, 10 Apr 2024 14:13:32 -0300
Subject: [PATCH] chore: change default number of connections (#560)

and give warning in case it is just one, because it might cause failures
---
 config/importer-online.env.local   | 2 +-
 config/run-with-importer.env.local | 2 +-
 config/state-validator.env.local   | 2 +-
 config/stratus.env.local           | 2 +-
 src/lib.rs                         | 5 +++++
 5 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/config/importer-online.env.local b/config/importer-online.env.local
index aa5ccb293..7dd3fd08d 100644
--- a/config/importer-online.env.local
+++ b/config/importer-online.env.local
@@ -4,7 +4,7 @@ EVMS=1
 EXTERNAL_RPC=http://spec.testnet.cloudwalk.network:9934/
 
 PERM_STORAGE=inmemory
-PERM_STORAGE_CONNECTIONS=1
+PERM_STORAGE_CONNECTIONS=2
 PERM_STORAGE_TIMEOUT=1000
 
 TEMP_STORAGE=inmemory
\ No newline at end of file
diff --git a/config/run-with-importer.env.local b/config/run-with-importer.env.local
index d8a34b2b9..6f0b72f75 100644
--- a/config/run-with-importer.env.local
+++ b/config/run-with-importer.env.local
@@ -4,7 +4,7 @@ EVMS=1
 EXTERNAL_RPC=http://spec.testnet.cloudwalk.network:9934/
 
 PERM_STORAGE=rocks
-PERM_STORAGE_CONNECTIONS=1
+PERM_STORAGE_CONNECTIONS=2
 PERM_STORAGE_TIMEOUT=1000
 
 TEMP_STORAGE=inmemory
diff --git a/config/state-validator.env.local b/config/state-validator.env.local
index 6adebe497..32dedac5d 100644
--- a/config/state-validator.env.local
+++ b/config/state-validator.env.local
@@ -2,7 +2,7 @@ METHOD=http://spec.testnet.cloudwalk.network:9934/
 
 # storages
 PERM_STORAGE=inmemory
-PERM_STORAGE_CONNECTIONS=1
+PERM_STORAGE_CONNECTIONS=2
 PERM_STORAGE_TIMEOUT=1000
 
 TEMP_STORAGE=inmemory
diff --git a/config/stratus.env.local b/config/stratus.env.local
index e3c2dd536..476b92e15 100644
--- a/config/stratus.env.local
+++ b/config/stratus.env.local
@@ -2,7 +2,7 @@ CHAIN_ID=2008
 EVMS=1
 
 PERM_STORAGE=inmemory
-PERM_STORAGE_CONNECTIONS=2
+PERM_STORAGE_CONNECTIONS=5
 PERM_STORAGE_TIMEOUT=2000
 
 TEMP_STORAGE=inmemory
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 3dd47d6de..0488e0ecb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,4 @@
+use std::env;
 use std::fmt::Debug;
 
 use crate::config::load_dotenv;
@@ -18,6 +19,10 @@ where
     let config = T::parse();
     println!("parsed configuration: {:?}", config);
 
+    if env::var_os("PERM_STORAGE_CONNECTIONS").is_some_and(|value| value == "1") {
+        println!("WARNING: env var PERM_STORAGE_CONNECTIONS is set to 1, if it cause connection problems, try increasing it");
+    }
+
     // init services
     infra::init_tracing();
     #[cfg(feature = "metrics")]