From 84ad98b4d3ceb5b1a4cc780b298812cfc204090f Mon Sep 17 00:00:00 2001
From: "Arthur K." <me@wzray.com>
Date: Sun, 8 Mar 2026 10:23:44 +0300
Subject: [PATCH] feat: min balance

---
 .env.example  | 3 +++
 Dockerfile    | 1 +
 src/server.py | 3 ++-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/.env.example b/.env.example
index 00d9430..36b0dfd 100644
--- a/.env.example
+++ b/.env.example
@@ -7,6 +7,9 @@ TARGET_SIZE=5
 # Poll interval for checking new accounts when pool incomplete (seconds)
 POLL_INTERVAL=30
 
+# Minimum balance threshold - switch token when balance <= MIN_BALANCE
+MIN_BALANCE=0
+
 # HTTPS proxy URL (used by Firefox and balance API)
 HTTPS_PROXY=http://user:pass@host:port
 
diff --git a/Dockerfile b/Dockerfile
index ba2d493..9930828 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -49,6 +49,7 @@ ENV PYTHONUNBUFFERED=1
 ENV PORT=80
 ENV TARGET_SIZE=5
 ENV POLL_INTERVAL=30
+ENV MIN_BALANCE=0
 ENV DATA_DIR=/data
 ENV EXTRAS_DIR=/extras
 ENV EMAILS_FILE=/data/emails.txt
diff --git a/src/server.py b/src/server.py
index 4dd2d0e..7c253e5 100644
--- a/src/server.py
+++ b/src/server.py
@@ -11,6 +11,7 @@ logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
 PORT = int(os.environ.get("PORT", 8080))
+MIN_BALANCE = float(os.environ.get("MIN_BALANCE", "0"))
 
 
 async def on_startup(app: web.Application):
@@ -51,7 +52,7 @@ async def token_handler(request: web.Request) -> web.Response:
             continue
 
         balance = balance_data.get("balance", balance_data.get("remaining", 0))
-        if balance is None or balance <= 0:
+        if balance is None or balance <= MIN_BALANCE:
             await pop_token()
             await trigger_refill()
             continue