Add check before restoring best_triplet

Author: Herklos

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.3] - 2024-01-08
+### Fixed
+- Add `None` check before restoring `best_triplet`
+
 ## [1.0.2] - 2024-01-08
 ### Added
 - `ignored_symbols` param to `run_detection`

README.md

@@ -2,7 +2,7 @@
   <img src="illustration.jpeg" width="250px" height="250px" alt="Triangular illustration">
 </p>
 
-# Triangular Arbitrage by OctoBot [1.0.2](https://github.com/Drakkar-Software/Triangular-Arbitrage/blob/master/CHANGELOG.md)
+# Triangular Arbitrage by OctoBot [1.0.3](https://github.com/Drakkar-Software/Triangular-Arbitrage/blob/master/CHANGELOG.md)
 [![PyPI](https://img.shields.io/pypi/v/OctoBot-Triangular-Arbitrage.svg)](https://pypi.python.org/pypi/OctoBot-Triangular-Arbitrage/)
 [![Dockerhub](https://img.shields.io/docker/pulls/drakkarsoftware/octobot-triangular-arbitrage.svg?logo=docker)](https://hub.docker.com/r/drakkarsoftware/octobot-triangular-arbitrage)
 

triangular_arbitrage/__init__.py

@@ -1,2 +1,2 @@
 PROJECT_NAME = "OctoBot-Triangular-Arbitrage"
-VERSION = "1.0.2"
+VERSION = "1.0.3"

triangular_arbitrage/detector.py

@@ -87,11 +87,12 @@ def get_opportunity_symbol(a, b):
             best_profit = profit
             best_triplet = [a_to_b, b_to_c, c_to_a]
 
-    # restore original symbols for reversed pairs
-    best_triplet = [
-        ShortTicker(symbols.Symbol(f"{triplet.symbol.quote}/{triplet.symbol.base}"), triplet.last_price, reversed=True) 
-        if triplet.reversed else triplet 
-        for triplet in best_triplet]
+    if best_triplet is not None:
+        # restore original symbols for reversed pairs
+        best_triplet = [
+            ShortTicker(symbols.Symbol(f"{triplet.symbol.quote}/{triplet.symbol.base}"), triplet.last_price, reversed=True) 
+            if triplet.reversed else triplet 
+            for triplet in best_triplet]
 
     return best_triplet, best_profit