Cache coin rates.

basicswap/explorers.py

@@ -1,12 +1,19 @@
 # -*- coding: utf-8 -*-
 
 # Copyright (c) 2019-2023 tecnovert
+# Copyright (c) 2025 The Basicswap developers
 # Distributed under the MIT software license, see the accompanying
 # file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
 import json
 
 
+default_chart_api_key = (
+    "95dd900af910656e0e17c41f2ddc5dba77d01bf8b0e7d2787634a16bd976c553"
+)
+default_coingecko_api_key = "CG-8hm3r9iLfpEXv4ied8oLbeUj"
+
+
 class Explorer:
     def __init__(self, swapclient, coin_type, base_url):
         self.swapclient = swapclient