various improvements and new plugins

bot/plugins/crypto.py

@@ -0,0 +1,30 @@
+from typing import Dict
+
+import requests
+
+from bot.plugins.plugin import Plugin
+
+
+# Author: https://github.com/stumpyfr
+class CryptoPlugin(Plugin):
+    """
+    A plugin to fetch the current rate of various cryptocurrencies
+    """
+    def get_source_name(self) -> str:
+        return "CoinCap"
+
+    def get_spec(self) -> Dict:
+        return {
+            "name": "get_crypto_rate",
+            "description": "Get the current rate of various crypto currencies",
+            "parameters": {
+                "type": "object",
+                "properties": {
+                    "asset": {"type": "string", "description": "Asset of the crypto"}
+                },
+                "required": ["asset"],
+            },
+        }
+
+    async def execute(self, **kwargs) -> Dict:
+        return requests.get(f"https://api.coincap.io/v2/rates/{kwargs['asset']}").json()