Pass our manually mapped `reqid: int` to EMS

Since we seem to always be able to get back the `reqid`/`userref` value
we send to kraken ws endpoints, we can use this as our brokerd side
order id and avoid all race cases with getting the true `txid` value
that `kraken` assigns (and which changes when you do "edits"
:eyeroll:). This simplifies status updates by allowing our relay loop
just to pass back our generated `.reqid` verbatim and allows responding
with a `BrokerdOrderAck` immediately in the request handler task which
should guarantee there are no further race conditions with the relay
loop and mapping `txid`s from kraken.. and figuring out wtf to do when
they change, etc.
kraken_ws_orders
Tyler Goodlet 2022-07-08 19:00:13 -04:00
parent 89bcaed15e
commit 804e9afdde
1 changed files with 28 additions and 23 deletions

View File

@ -97,7 +97,7 @@ async def handle_order_requests(
log.info(f'Rx order msg:\n{pformat(msg)}')
match msg:
case {
'account': 'kraken.spot',
'account': 'kraken.spot' as account,
'action': action,
} if action in {'buy', 'sell'}:
@ -119,7 +119,7 @@ async def handle_order_requests(
reqid = next(counter)
ids[order.oid] = reqid
log.debug(
f"GENERATED ORDER {reqid}\n"
f"Adding order {reqid}\n"
f'{ids}'
)
extra = {
@ -148,11 +148,18 @@ async def handle_order_requests(
log.info(f'Submitting WS order request:\n{pformat(req)}')
await ws.send_msg(req)
resp = BrokerdOrderAck(
oid=order.oid, # ems order request id
reqid=reqid, # our custom int mapping
account=account, # piker account
)
await ems_order_stream.send(resp)
# placehold for sanity checking in relay loop
emsflow.setdefault(order.oid, []).append(order)
case {
'account': 'kraken.spot',
'account': 'kraken.spot' as account,
'action': 'cancel',
}:
cancel = BrokerdCancel(**msg)
@ -368,6 +375,8 @@ async def handle_order_updates(
case [
trades_msgs,
'ownTrades',
# won't exist for historical values?
# 'userref': reqid,
{'sequence': seq},
]:
# flatten msgs for processing
@ -381,8 +390,12 @@ async def handle_order_updates(
}
for tid, trade in trades.items():
# parse-cast
reqid = trade['ordertxid']
# NOTE: try to get the requid sent in the order
# request message if posssible; it may not be
# provided since this sub also returns generic
# historical trade events.
reqid = trade.get('userref', trade['ordertxid'])
action = trade['type']
price = float(trade['price'])
size = float(trade['vol'])
@ -391,6 +404,7 @@ async def handle_order_updates(
# send a fill msg for gui update
fill_msg = BrokerdFill(
reqid=reqid,
time_ns=time.time_ns(),
action=action,
@ -539,7 +553,7 @@ async def handle_order_updates(
# order state updates
resp = BrokerdStatus(
reqid=txid,
reqid=reqid,
time_ns=time.time_ns(), # cuz why not
account=f'kraken.{acctid}',
@ -597,6 +611,7 @@ async def handle_order_updates(
# 'txid': [last.reqid], # txid from submission
# })
if resps:
msgs.extend(resps)
for resp in resps:
await ems_stream.send(resp.dict())
@ -634,7 +649,7 @@ def process_status(
resp = BrokerdError(
oid=oid,
# XXX: use old reqid in case it changed?
reqid=last.reqid,
reqid=reqid,
symbol=getattr(last, 'symbol', 'N/A'),
reason=f'Failed {action}:\n{errmsg}',
@ -656,12 +671,7 @@ def process_status(
f're-mapped reqid: {reqid}\n'
f'txid: {txid}\n'
)
resp = BrokerdOrderAck(
oid=oid, # ems order request id
reqid=txid, # kraken unique order id
account=last.account, # piker account
)
return [resp], False
return [], False
case {
'event': 'editOrderStatus',
@ -679,12 +689,7 @@ def process_status(
f'{descr}'
)
# deliver another ack to update the ems-side `.reqid`.
resp = BrokerdOrderAck(
oid=oid, # ems order request id
reqid=txid, # kraken unique order id
account=last.account, # piker account
)
return [resp], False
return [], False
case {
"event": "cancelOrderStatus",
@ -700,7 +705,7 @@ def process_status(
resps: list[MsgUnion] = []
for txid in rest.get('txid', [last.reqid]):
resp = BrokerdStatus(
reqid=txid,
reqid=reqid,
account=last.account,
time_ns=time.time_ns(),
status='cancelled',