`kraken`: drop `make_sub()` and inline sub defs in `subscribe()`

piker/brokers/kraken/feed.py

@@ -34,7 +34,6 @@ import pendulum
 from trio_typing import TaskStatus
 import tractor
 import trio
-import wsproto
 
 from piker._cacheables import open_cached_client
 from piker.brokers._util import (
@@ -243,22 +242,6 @@ def normalize(
     return topic, quote
 
 
-def make_sub(pairs: list[str], data: dict[str, Any]) -> dict[str, str]:
-    '''
-    Create a request subscription packet dict.
-
-    https://docs.kraken.com/websockets/#message-subscribe
-
-    '''
-    # eg. specific logic for this in kraken's sync client:
-    # https://github.com/krakenfx/kraken-wsclient-py/blob/master/kraken_wsclient_py/kraken_wsclient_py.py#L188
-    return {
-        'pair': pairs,
-        'event': 'subscribe',
-        'subscription': data,
-    }
-
-
 @acm
 async def open_history_client(
     symbol: str,
@@ -381,15 +364,20 @@ async def stream_quotes(
         }
 
         @acm
-        async def subscribe(ws: wsproto.WSConnection):
+        async def subscribe(ws: NoBsWs):
+
             # XXX: setup subs
             # https://docs.kraken.com/websockets/#message-subscribe
-            # specific logic for this in kraken's shitty sync client:
+            # specific logic for this in kraken's sync client:
             # https://github.com/krakenfx/kraken-wsclient-py/blob/master/kraken_wsclient_py/kraken_wsclient_py.py#L188
-            ohlc_sub = make_sub(
-                list(ws_pairs.values()),
-                {'name': 'ohlc', 'interval': 1}
-            )
+            ohlc_sub = {
+                'event': 'subscribe',
+                'pair': list(ws_pairs.values()),
+                'subscription': {
+                    'name': 'ohlc',
+                    'interval': 1,
+                },
+            }
 
             # TODO: we want to eventually allow unsubs which should
             # be completely fine to request from a separate task
@@ -398,10 +386,14 @@ async def stream_quotes(
             await ws.send_msg(ohlc_sub)
 
             # trade data (aka L1)
-            l1_sub = make_sub(
-                list(ws_pairs.values()),
-                {'name': 'spread'}  # 'depth': 10}
-            )
+            l1_sub = {
+                'event': 'subscribe',
+                'pair': list(ws_pairs.values()),
+                'subscription': {
+                    'name': 'spread',
+                    # 'depth': 10}
+                },
+            }
 
             # pull a first quote and deliver
             await ws.send_msg(l1_sub)