binance: add `submit_cancel()` & listen key mgmt

Patch again originally from @guilledk and adds a sesh for futures
testnet as well as a order canceller method B)

piker/brokers/binance.py

@@ -108,6 +108,7 @@ log = get_logger(__name__)
 
 
 _url = 'https://api.binance.com'
+_fapi_url = 'https://testnet.binancefuture.com'
 
 
 # Broker specific ohlc schema (rest)
@@ -230,18 +231,31 @@ def binance_timestamp(
 class Client:
 
     def __init__(self) -> None:
-        self._sesh = asks.Session(connections=4)
-        self._sesh.base_location: str = _url
+
         self._pairs: dict[str, Pair] = {}  # mkt info table
 
-        conf = get_config()
+        # live EP sesh
+        self._sesh = asks.Session(connections=4)
+        self._sesh.base_location: str = _url
+
+        # testnet EP sesh
+        self._fapi_sesh = asks.Session(connections=4)
+        self._fapi_sesh.base_location = _fapi_url
+
+        conf: dict = get_config()
         self.api_key: str = conf.get('api_key', '')
         self.api_secret: str = conf.get('api_secret', '')
 
         if self.api_key:
-            self._sesh.headers.update({'X-MBX-APIKEY': self.api_key})
+            api_key_header = {'X-MBX-APIKEY': self.api_key}
+            self._sesh.headers.update(api_key_header)
+            self._fapi_sesh.headers.update(api_key_header)
 
     def _get_signature(self, data: OrderedDict) -> str:
+
+        # XXX: Info on security and authentification
+        # https://binance-docs.github.io/apidocs/#endpoint-security-type
+
         if not self.api_secret:
             raise config.NoSignature(
                 "Can't generate a signature without setting up credentials"
@@ -277,8 +291,26 @@ class Client:
 
         return resproc(resp, log)
 
-    async def exch_info(
+    async def _fapi(
+        self,
+        method: str,
+        params: Union[dict, OrderedDict],
+        signed: bool = False,
+        action: str = 'get'
+    ) -> dict[str, Any]:
 
+        if signed:
+            params['signature'] = self._get_signature(params)
+
+        resp = await getattr(self._fapi_sesh, action)(
+            path=f'/fapi/v1/{method}',
+            params=params,
+            timeout=float('inf')
+        )
+
+        return resproc(resp, log)
+
+    async def exch_info(
         self,
         sym: str | None = None,
 
@@ -467,6 +499,70 @@ class Client:
         assert resp['orderId'] == oid
         return oid
 
+    async def submit_cancel(
+        self,
+        symbol: str,
+        oid: str,
+        recv_window: int = 60000
+    ) -> None:
+        symbol = symbol.upper()
+
+        params = OrderedDict([
+            ('symbol', symbol),
+            ('orderId', oid),
+            ('recvWindow', recv_window),
+            ('timestamp', binance_timestamp(pendulum.now()))
+        ])
+
+        await self._api(
+            'order',
+            params=params,
+            signed=True,
+            action='delete'
+        )
+
+    async def get_listen_key(self) -> str:
+        return await self._api(
+            'userDataStream',
+            params={},
+            action='post'
+        )['listenKey']
+
+    async def keep_alive_key(self, listen_key: str) -> None:
+        await self._fapi(
+            'userDataStream',
+            params={'listenKey': listen_key},
+            action='put'
+        )
+
+    async def close_listen_key(self, listen_key: str) -> None:
+        await self._fapi(
+            'userDataStream',
+            params={'listenKey': listen_key},
+            action='delete'
+        )
+
+    @acm
+    async def manage_listen_key(self):
+
+        async def periodic_keep_alive(
+            self,
+            listen_key: str,
+            timeout=60 * 29  # 29 minutes
+        ):
+            while True:
+                await trio.sleep(timeout)
+                await self.keep_alive_key(listen_key)
+
+        key = await self.get_listen_key()
+
+        async with trio.open_nursery() as n:
+            n.start_soon(periodic_keep_alive, key)
+            yield key
+
+        await self.close_listen_key(key)
+
+
 @acm
 async def get_client() -> Client:
     client = Client()
@@ -484,7 +580,7 @@ class AggTrade(Struct, frozen=True):
     p: float  # Price
     q: float  # Quantity
     f: int  # First trade ID
-    l: int  # Last trade ID
+    l: int  # noqa Last trade ID
     T: int  # Trade time
     m: bool  # Is the buyer the market maker?
     M: bool  # Ignore
@@ -783,7 +879,8 @@ async def stream_quotes(
 
 
 async def handle_order_requests(
-    ems_order_stream: tractor.MsgStream
+    ems_order_stream: tractor.MsgStream,
+    symbol: str
 ) -> None:
     async with open_cached_client('binance') as client:
         async for request_msg in ems_order_stream:
@@ -817,7 +914,8 @@ async def handle_order_requests(
 
             elif action == 'cancel':
                 # msg = BrokerdCancel(**request_msg)
-                # await run_client_method
+                # 
+                # await client.submit_cancel(symbol, msg.reqid)
                 ...
 
             else:
@@ -844,12 +942,18 @@ async def trades_dialogue(
     # accounts: set[str] = set()
     # await ctx.started((positions, {}))
 
-    # async with (
-    #     ctx.open_stream() as ems_stream,
-    #     trio.open_nursery() as n
-    # ):
-    #     n.start_soon(handle_order_requests, ems_stream)
-    #     await trio.sleep_forever()
+    async with (
+        ctx.open_stream() as ems_stream,
+        trio.open_nursery() as n,
+        open_cached_client('binance') as client,
+        # client.manage_listen_key() as listen_key,
+    ):
+        n.start_soon(handle_order_requests, ems_stream)
+        await trio.sleep_forever()
+        # async with open_autorecon_ws(
+        #     f'wss://stream.binance.com:9443/ws/{listen_key}',
+        # ) as ws:
+        #     ...
 
 
 @tractor.context