Stop using as much closures

Use a custom tractor branch that fixes a `maybe_open_context` re entrant related bug

piker/brokers/deribit/api.py

@@ -557,15 +557,9 @@ async def maybe_open_feed_handler() -> trio.abc.ReceiveStream:
         yield fh
 
 
-@acm
-async def open_price_feed(
-    instrument: str
-) -> trio.abc.ReceiveStream:
-
-    # XXX: hangs when going into this ctx mngr
-    async with maybe_open_feed_handler() as fh:
-
-        async def relay(
+async def aio_price_feed_relay(
+    fh: FeedHandler,
+    instrument: Symbol,
     from_trio: asyncio.Queue,
     to_trio: trio.abc.SendChannel,
 ) -> None:
@@ -598,7 +592,7 @@ async def open_price_feed(
     fh.add_feed(
         DERIBIT,
         channels=[TRADES, L1_BOOK],
-                symbols=[instrument],
+        symbols=[piker_sym_to_cb_sym(instrument)],
         callbacks={
             TRADES: _trade,
             L1_BOOK: _l1
@@ -612,14 +606,19 @@ async def open_price_feed(
     # sync with trio
     to_trio.send_nowait(None)
 
-            try:
     await asyncio.sleep(float('inf'))
 
-            except asyncio.exceptions.CancelledError:
-                ...
 
+@acm
+async def open_price_feed(
+    instrument: str) -> trio.abc.ReceiveStream:
+    async with maybe_open_feed_handler() as fh:
         async with to_asyncio.open_channel_from(
-            relay
+            partial(
+                aio_price_feed_relay,
+                fh,
+                instrument
+            )
         ) as (first, chan):
             yield chan
 
@@ -642,14 +641,11 @@ async def maybe_open_price_feed(
         else:
             yield feed
 
-@acm
-async def open_order_feed(
-    instrument: List[str]
-) -> trio.abc.ReceiveStream:
 
-    async with maybe_open_feed_handler() as fh:
 
-        async def relay(
+async def aio_order_feed_relay(
+    fh: FeedHandler,
+    instrument: Symbol,
     from_trio: asyncio.Queue,
     to_trio: trio.abc.SendChannel,
 ) -> None:
@@ -662,7 +658,7 @@ async def open_order_feed(
     fh.add_feed(
         DERIBIT,
         channels=[FILLS, ORDER_INFO],
-                symbols=[instrument],
+        symbols=[instrument.upper()],
         callbacks={
             FILLS: _fill,
             ORDER_INFO: _order_info,
@@ -676,17 +672,24 @@ async def open_order_feed(
     # sync with trio
     to_trio.send_nowait(None)
 
-            try:
     await asyncio.sleep(float('inf'))
 
-            except asyncio.exceptions.CancelledError:
-                ...
 
+@acm
+async def open_order_feed(
+    instrument: List[str]
+) -> trio.abc.ReceiveStream:
+    async with maybe_open_feed_handler() as fh:
         async with to_asyncio.open_channel_from(
-            relay
+            partial(
+                aio_order_feed_relay,
+                fh,
+                instrument
+            )
         ) as (first, chan):
             yield chan
 
+
 @acm
 async def maybe_open_order_feed(
     instrument: str
@@ -696,7 +699,8 @@ async def maybe_open_order_feed(
     async with maybe_open_context(
         acm_func=open_order_feed,
         kwargs={
-            'instrument': instrument
+            'instrument': instrument,
+            'fh': fh
         },
         key=f'{instrument}-order',
     ) as (cache_hit, feed):

requirements.txt

@@ -1,7 +1,7 @@
 # we require a pinned dev branch to get some edge features that
 # are often untested in tractor's CI and/or being tested by us
 # first before committing as core features in tractor's base.
--e git+https://github.com/goodboy/tractor.git@master#egg=tractor
+-e git+https://github.com/goodboy/tractor.git@reentrant_moc#egg=tractor
 
 # `pyqtgraph` peeps keep breaking, fixing, improving so might as well
 # pin this to a dev branch that we have more control over especially