get_instrumets for cryptofeed.FeedHandler

piker/brokers/deribit/api.py

@@ -361,6 +361,35 @@ class Client:
 
         return flat
 
+    async def get_instruments(
+        self,
+        currency: str = 'btc',
+        kind: str = 'option',
+        expired: bool = False,
+
+    ) -> list[Symbol]:
+        """
+        Get instruments for cryptoFeed.FeedHandler.
+        """
+        params: dict[str, str] = {
+            'currency': currency.upper(),
+            'kind': kind,
+            'expired': expired,
+        }
+
+        r: JSONRPCResult = await self._json_rpc_auth_wrapper(
+            'public/get_instruments',
+            params,
+        )
+        resp = r.result 
+        response_list = []
+
+        for i in range(len(resp) // 10):
+            element = resp[i]
+            response_list.append(piker_sym_to_cb_sym(element['instrument_name']))
+
+        return response_list
+
     async def submit_limit(
         self,
         symbol: str,