commit
d81e629c29
|
@ -383,7 +383,7 @@ async def update_and_audit_msgs(
|
|||
symbol=ibppmsg.symbol,
|
||||
currency=ibppmsg.currency,
|
||||
size=p.size,
|
||||
avg_price=p.be_price,
|
||||
avg_price=p.ppu,
|
||||
)
|
||||
msgs.append(msg)
|
||||
|
||||
|
@ -430,7 +430,7 @@ async def update_and_audit_msgs(
|
|||
symbol=p.symbol.front_fqsn(),
|
||||
# currency=ibppmsg.currency,
|
||||
size=p.size,
|
||||
avg_price=p.be_price,
|
||||
avg_price=p.ppu,
|
||||
)
|
||||
if validate and p.size:
|
||||
raise ValueError(
|
||||
|
|
|
@ -126,7 +126,7 @@ class Allocator(Struct):
|
|||
l_sub_pp = self.units_limit - abs_live_size
|
||||
|
||||
elif size_unit == 'currency':
|
||||
live_cost_basis = abs_live_size * live_pp.be_price
|
||||
live_cost_basis = abs_live_size * live_pp.ppu
|
||||
slot_size = currency_per_slot / price
|
||||
l_sub_pp = (self.currency_limit - live_cost_basis) / price
|
||||
|
||||
|
@ -158,7 +158,7 @@ class Allocator(Struct):
|
|||
if size_unit == 'currency':
|
||||
# compute the "projected" limit's worth of units at the
|
||||
# current pp (weighted) price:
|
||||
slot_size = currency_per_slot / live_pp.be_price
|
||||
slot_size = currency_per_slot / live_pp.ppu
|
||||
|
||||
else:
|
||||
slot_size = u_per_slot
|
||||
|
@ -200,7 +200,7 @@ class Allocator(Struct):
|
|||
Position(
|
||||
symbol=sym,
|
||||
size=order_size,
|
||||
be_price=price,
|
||||
ppu=price,
|
||||
bsuid=sym,
|
||||
)
|
||||
)
|
||||
|
@ -229,8 +229,8 @@ class Allocator(Struct):
|
|||
abs_pp_size = abs(pp.size)
|
||||
|
||||
if self.size_unit == 'currency':
|
||||
# live_currency_size = size or (abs_pp_size * pp.be_price)
|
||||
live_currency_size = abs_pp_size * pp.be_price
|
||||
# live_currency_size = size or (abs_pp_size * pp.ppu)
|
||||
live_currency_size = abs_pp_size * pp.ppu
|
||||
prop = live_currency_size / self.currency_limit
|
||||
|
||||
else:
|
||||
|
@ -303,7 +303,7 @@ def mk_allocator(
|
|||
# if the current position is already greater then the limit
|
||||
# settings, increase the limit to the current position
|
||||
if alloc.size_unit == 'currency':
|
||||
startup_size = startup_pp.size * startup_pp.be_price
|
||||
startup_size = startup_pp.size * startup_pp.ppu
|
||||
|
||||
if startup_size > alloc.currency_limit:
|
||||
alloc.currency_limit = round(startup_size, ndigits=2)
|
||||
|
|
|
@ -22,17 +22,25 @@ from contextlib import asynccontextmanager
|
|||
from datetime import datetime
|
||||
from operator import itemgetter
|
||||
import time
|
||||
from typing import Tuple, Optional, Callable
|
||||
from typing import (
|
||||
Any,
|
||||
Optional,
|
||||
Callable,
|
||||
)
|
||||
import uuid
|
||||
|
||||
from bidict import bidict
|
||||
import pendulum
|
||||
import trio
|
||||
import tractor
|
||||
from dataclasses import dataclass
|
||||
|
||||
from .. import data
|
||||
from ..data._source import Symbol
|
||||
from ..pp import Position
|
||||
from ..pp import (
|
||||
Position,
|
||||
Transaction,
|
||||
)
|
||||
from ..data._normalize import iterticks
|
||||
from ..data._source import unpack_fqsn
|
||||
from ..log import get_logger
|
||||
|
@ -63,11 +71,12 @@ class PaperBoi:
|
|||
_buys: bidict
|
||||
_sells: bidict
|
||||
_reqids: bidict
|
||||
_positions: dict[str, BrokerdPosition]
|
||||
_positions: dict[str, Position]
|
||||
_trade_ledger: dict[str, Any]
|
||||
|
||||
# init edge case L1 spread
|
||||
last_ask: Tuple[float, float] = (float('inf'), 0) # price, size
|
||||
last_bid: Tuple[float, float] = (0, 0)
|
||||
last_ask: tuple[float, float] = (float('inf'), 0) # price, size
|
||||
last_bid: tuple[float, float] = (0, 0)
|
||||
|
||||
async def submit_limit(
|
||||
self,
|
||||
|
@ -77,22 +86,23 @@ class PaperBoi:
|
|||
action: str,
|
||||
size: float,
|
||||
reqid: Optional[str],
|
||||
|
||||
) -> int:
|
||||
"""Place an order and return integer request id provided by client.
|
||||
'''
|
||||
Place an order and return integer request id provided by client.
|
||||
|
||||
"""
|
||||
'''
|
||||
is_modify: bool = False
|
||||
if reqid is None:
|
||||
reqid = str(uuid.uuid4())
|
||||
|
||||
else:
|
||||
entry = self._reqids.get(reqid)
|
||||
if entry:
|
||||
# order is already existing, this is a modify
|
||||
(oid, symbol, action, old_price) = self._reqids[reqid]
|
||||
(oid, symbol, action, old_price) = entry
|
||||
assert old_price != price
|
||||
is_modify = True
|
||||
|
||||
# register order internally
|
||||
self._reqids[reqid] = (oid, symbol, action, price)
|
||||
else:
|
||||
# register order internally
|
||||
self._reqids[reqid] = (oid, symbol, action, price)
|
||||
|
||||
if action == 'alert':
|
||||
# bypass all fill simulation
|
||||
|
@ -197,16 +207,15 @@ class PaperBoi:
|
|||
"""
|
||||
# TODO: net latency model
|
||||
await trio.sleep(0.05)
|
||||
fill_time_ns = time.time_ns()
|
||||
fill_time_s = time.time()
|
||||
|
||||
msg = BrokerdFill(
|
||||
|
||||
fill_msg = BrokerdFill(
|
||||
reqid=reqid,
|
||||
time_ns=time.time_ns(),
|
||||
|
||||
time_ns=fill_time_ns,
|
||||
action=action,
|
||||
size=size,
|
||||
price=price,
|
||||
|
||||
broker_time=datetime.now().timestamp(),
|
||||
broker_details={
|
||||
'paper_info': {
|
||||
|
@ -216,7 +225,9 @@ class PaperBoi:
|
|||
'name': self.broker + '_paper',
|
||||
},
|
||||
)
|
||||
await self.ems_trades_stream.send(msg)
|
||||
await self.ems_trades_stream.send(fill_msg)
|
||||
|
||||
self._trade_ledger.update(fill_msg.to_dict())
|
||||
|
||||
if order_complete:
|
||||
|
||||
|
@ -243,29 +254,37 @@ class PaperBoi:
|
|||
|
||||
# lookup any existing position
|
||||
token = f'{symbol}.{self.broker}'
|
||||
pp_msg = self._positions.setdefault(
|
||||
pp = self._positions.setdefault(
|
||||
token,
|
||||
BrokerdPosition(
|
||||
broker=self.broker,
|
||||
account='paper',
|
||||
symbol=symbol,
|
||||
# TODO: we need to look up the asset currency from
|
||||
# broker info. i guess for crypto this can be
|
||||
# inferred from the pair?
|
||||
currency='',
|
||||
size=0.0,
|
||||
avg_price=0,
|
||||
Position(
|
||||
Symbol(key=symbol),
|
||||
size=size,
|
||||
ppu=price,
|
||||
bsuid=symbol,
|
||||
)
|
||||
)
|
||||
|
||||
# delegate update to `.pp.Position.lifo_update()`
|
||||
pp = Position(
|
||||
Symbol(key=symbol),
|
||||
size=pp_msg.size,
|
||||
be_price=pp_msg.avg_price,
|
||||
t = Transaction(
|
||||
fqsn=symbol,
|
||||
tid=oid,
|
||||
size=size,
|
||||
price=price,
|
||||
cost=1., # todo cost model
|
||||
dt=pendulum.from_timestamp(fill_time_s),
|
||||
bsuid=symbol,
|
||||
)
|
||||
pp_msg.size, pp_msg.avg_price = pp.lifo_update(size, price)
|
||||
pp.add_clear(t)
|
||||
|
||||
pp_msg = BrokerdPosition(
|
||||
broker=self.broker,
|
||||
account='paper',
|
||||
symbol=symbol,
|
||||
# TODO: we need to look up the asset currency from
|
||||
# broker info. i guess for crypto this can be
|
||||
# inferred from the pair?
|
||||
currency='',
|
||||
size=pp.size,
|
||||
avg_price=pp.ppu,
|
||||
)
|
||||
|
||||
await self.ems_trades_stream.send(pp_msg)
|
||||
|
||||
|
@ -273,6 +292,7 @@ class PaperBoi:
|
|||
async def simulate_fills(
|
||||
quote_stream: 'tractor.ReceiveStream', # noqa
|
||||
client: PaperBoi,
|
||||
|
||||
) -> None:
|
||||
|
||||
# TODO: more machinery to better simulate real-world market things:
|
||||
|
@ -389,6 +409,24 @@ async def handle_order_requests(
|
|||
# validate
|
||||
order = BrokerdOrder(**request_msg)
|
||||
|
||||
if order.reqid is None:
|
||||
reqid = str(uuid.uuid4())
|
||||
else:
|
||||
reqid = order.reqid
|
||||
|
||||
# deliver ack that order has been submitted to broker routing
|
||||
await ems_order_stream.send(
|
||||
BrokerdOrderAck(
|
||||
|
||||
# ems order request id
|
||||
oid=order.oid,
|
||||
|
||||
# broker specific request id
|
||||
reqid=reqid,
|
||||
|
||||
)
|
||||
)
|
||||
|
||||
# call our client api to submit the order
|
||||
reqid = await client.submit_limit(
|
||||
|
||||
|
@ -402,20 +440,7 @@ async def handle_order_requests(
|
|||
# there is no existing order so ask the client to create
|
||||
# a new one (which it seems to do by allocating an int
|
||||
# counter - collision prone..)
|
||||
reqid=order.reqid,
|
||||
)
|
||||
|
||||
# deliver ack that order has been submitted to broker routing
|
||||
await ems_order_stream.send(
|
||||
BrokerdOrderAck(
|
||||
|
||||
# ems order request id
|
||||
oid=order.oid,
|
||||
|
||||
# broker specific request id
|
||||
reqid=reqid,
|
||||
|
||||
)
|
||||
reqid=reqid,
|
||||
)
|
||||
|
||||
elif action == 'cancel':
|
||||
|
@ -468,6 +493,9 @@ async def trades_dialogue(
|
|||
|
||||
# TODO: load paper positions from ``positions.toml``
|
||||
_positions={},
|
||||
|
||||
# TODO: load postions from ledger file
|
||||
_trade_ledger={},
|
||||
)
|
||||
|
||||
n.start_soon(handle_order_requests, client, ems_stream)
|
||||
|
@ -510,5 +538,4 @@ async def open_paperboi(
|
|||
loglevel=loglevel,
|
||||
|
||||
) as (ctx, first):
|
||||
|
||||
yield ctx, first
|
||||
|
|
696
piker/pp.py
696
piker/pp.py
|
@ -20,9 +20,8 @@ that doesn't try to cuk most humans who prefer to not lose their moneys..
|
|||
(looking at you `ib` and dirt-bird friends)
|
||||
|
||||
'''
|
||||
from collections import deque
|
||||
from contextlib import contextmanager as cm
|
||||
# from pprint import pformat
|
||||
from pprint import pformat
|
||||
import os
|
||||
from os import path
|
||||
from math import copysign
|
||||
|
@ -130,7 +129,7 @@ class Position(Struct):
|
|||
|
||||
# "breakeven price" above or below which pnl moves above and below
|
||||
# zero for the entirety of the current "trade state".
|
||||
be_price: float
|
||||
ppu: float
|
||||
|
||||
# unique backend symbol id
|
||||
bsuid: str
|
||||
|
@ -149,7 +148,7 @@ class Position(Struct):
|
|||
for f in self.__struct_fields__
|
||||
}
|
||||
|
||||
def to_pretoml(self) -> dict:
|
||||
def to_pretoml(self) -> tuple[str, dict]:
|
||||
'''
|
||||
Prep this position's data contents for export to toml including
|
||||
re-structuring of the ``.clears`` table to an array of
|
||||
|
@ -160,23 +159,79 @@ class Position(Struct):
|
|||
clears = d.pop('clears')
|
||||
expiry = d.pop('expiry')
|
||||
|
||||
if expiry:
|
||||
# TODO: we need to figure out how to have one top level
|
||||
# listing venue here even when the backend isn't providing
|
||||
# it via the trades ledger..
|
||||
# drop symbol obj in serialized form
|
||||
s = d.pop('symbol')
|
||||
fqsn = s.front_fqsn()
|
||||
|
||||
size = d.pop('size')
|
||||
ppu = d.pop('ppu')
|
||||
d['size'], d['ppu'] = self.audit_sizing(size, ppu)
|
||||
|
||||
if self.expiry is None:
|
||||
d.pop('expiry', None)
|
||||
elif expiry:
|
||||
d['expiry'] = str(expiry)
|
||||
|
||||
clears_list = []
|
||||
toml_clears_list = []
|
||||
for tid, data in sorted(
|
||||
list(clears.items()),
|
||||
|
||||
for tid, data in clears.items():
|
||||
# sort by datetime
|
||||
key=lambda item: item[1]['dt'],
|
||||
):
|
||||
inline_table = toml.TomlDecoder().get_empty_inline_table()
|
||||
|
||||
inline_table['dt'] = data['dt']
|
||||
|
||||
# insert optional clear fields in column order
|
||||
for k in ['ppu', 'accum_size']:
|
||||
val = data.get(k)
|
||||
if val:
|
||||
inline_table[k] = val
|
||||
|
||||
# insert required fields
|
||||
for k in ['price', 'size', 'cost']:
|
||||
inline_table[k] = data[k]
|
||||
|
||||
inline_table['tid'] = tid
|
||||
toml_clears_list.append(inline_table)
|
||||
|
||||
for k, v in data.items():
|
||||
inline_table[k] = v
|
||||
d['clears'] = toml_clears_list
|
||||
|
||||
clears_list.append(inline_table)
|
||||
return fqsn, d
|
||||
|
||||
d['clears'] = clears_list
|
||||
def audit_sizing(
|
||||
self,
|
||||
size: Optional[float] = None,
|
||||
ppu: Optional[float] = None,
|
||||
|
||||
return d
|
||||
) -> tuple[float, float]:
|
||||
'''
|
||||
Audit either the `.size` and `.ppu` values or equvialent
|
||||
passed in values against the clears table calculations and
|
||||
return the calc-ed values if they differ and log warnings to
|
||||
console.
|
||||
|
||||
'''
|
||||
size = size or self.size
|
||||
ppu = ppu or self.ppu
|
||||
csize = self.calc_size()
|
||||
cppu = self.calc_ppu()
|
||||
|
||||
if size != csize:
|
||||
log.warning(f'size != calculated size: {size} != {csize}')
|
||||
size = csize
|
||||
|
||||
if ppu != cppu:
|
||||
log.warning(
|
||||
f'ppu != calculated ppu: {ppu} != {cppu}'
|
||||
)
|
||||
ppu = cppu
|
||||
|
||||
return size, ppu
|
||||
|
||||
def update_from_msg(
|
||||
self,
|
||||
|
@ -188,7 +243,7 @@ class Position(Struct):
|
|||
symbol = self.symbol
|
||||
|
||||
lot_size_digits = symbol.lot_size_digits
|
||||
be_price, size = (
|
||||
ppu, size = (
|
||||
round(
|
||||
msg['avg_price'],
|
||||
ndigits=symbol.tick_size_digits
|
||||
|
@ -199,7 +254,7 @@ class Position(Struct):
|
|||
),
|
||||
)
|
||||
|
||||
self.be_price = be_price
|
||||
self.ppu = ppu
|
||||
self.size = size
|
||||
|
||||
@property
|
||||
|
@ -209,123 +264,127 @@ class Position(Struct):
|
|||
terms.
|
||||
|
||||
'''
|
||||
return self.be_price * self.size
|
||||
return self.ppu * self.size
|
||||
|
||||
def update(
|
||||
# TODO: idea: "real LIFO" dynamic positioning.
|
||||
# - when a trade takes place where the pnl for
|
||||
# the (set of) trade(s) is below the breakeven price
|
||||
# it may be that the trader took a +ve pnl on a short(er)
|
||||
# term trade in the same account.
|
||||
# - in this case we could recalc the be price to
|
||||
# be reverted back to it's prior value before the nearest term
|
||||
# trade was opened.?
|
||||
# def lifo_price() -> float:
|
||||
# ...
|
||||
|
||||
def calc_ppu(
|
||||
self,
|
||||
t: Transaction,
|
||||
# include transaction cost in breakeven price
|
||||
# and presume the worst case of the same cost
|
||||
# to exit this transaction (even though in reality
|
||||
# it will be dynamic based on exit stratetgy).
|
||||
cost_scalar: float = 2,
|
||||
|
||||
) -> None:
|
||||
self.clears[t.tid] = {
|
||||
'cost': t.cost,
|
||||
'price': t.price,
|
||||
'size': t.size,
|
||||
'dt': str(t.dt),
|
||||
}
|
||||
|
||||
def lifo_update(
|
||||
self,
|
||||
size: float,
|
||||
price: float,
|
||||
cost: float = 0,
|
||||
|
||||
# TODO: idea: "real LIFO" dynamic positioning.
|
||||
# - when a trade takes place where the pnl for
|
||||
# the (set of) trade(s) is below the breakeven price
|
||||
# it may be that the trader took a +ve pnl on a short(er)
|
||||
# term trade in the same account.
|
||||
# - in this case we could recalc the be price to
|
||||
# be reverted back to it's prior value before the nearest term
|
||||
# trade was opened.?
|
||||
# dynamic_breakeven_price: bool = False,
|
||||
|
||||
) -> (float, float):
|
||||
) -> float:
|
||||
'''
|
||||
Incremental update using a LIFO-style weighted mean.
|
||||
Compute the "price-per-unit" price for the given non-zero sized
|
||||
rolling position.
|
||||
|
||||
The recurrence relation which computes this (exponential) mean
|
||||
per new clear which **increases** the accumulative postiion size
|
||||
is:
|
||||
|
||||
ppu[-1] = (
|
||||
ppu[-2] * accum_size[-2]
|
||||
+
|
||||
ppu[-1] * size
|
||||
) / accum_size[-1]
|
||||
|
||||
where `cost_basis` for the current step is simply the price
|
||||
* size of the most recent clearing transaction.
|
||||
|
||||
'''
|
||||
# "avg position price" calcs
|
||||
# TODO: eventually it'd be nice to have a small set of routines
|
||||
# to do this stuff from a sequence of cleared orders to enable
|
||||
# so called "contextual positions".
|
||||
new_size = self.size + size
|
||||
asize_h: list[float] = [] # historical accumulative size
|
||||
ppu_h: list[float] = [] # historical price-per-unit
|
||||
|
||||
# old size minus the new size gives us size diff with
|
||||
# +ve -> increase in pp size
|
||||
# -ve -> decrease in pp size
|
||||
size_diff = abs(new_size) - abs(self.size)
|
||||
clears = list(self.clears.items())
|
||||
|
||||
if new_size == 0:
|
||||
self.be_price = 0
|
||||
for i, (tid, entry) in enumerate(clears):
|
||||
|
||||
elif size_diff > 0:
|
||||
# XXX: LOFI incremental update:
|
||||
# only update the "average price" when
|
||||
# the size increases not when it decreases (i.e. the
|
||||
# position is being made smaller)
|
||||
self.be_price = (
|
||||
# weight of current exec = (size * price) + cost
|
||||
(abs(size) * price)
|
||||
+
|
||||
(copysign(1, new_size) * cost) # transaction cost
|
||||
+
|
||||
# weight of existing be price
|
||||
self.be_price * abs(self.size) # weight of previous pp
|
||||
) / abs(new_size) # normalized by the new size: weighted mean.
|
||||
|
||||
self.size = new_size
|
||||
|
||||
return new_size, self.be_price
|
||||
|
||||
def calc_be_price(self) -> float:
|
||||
|
||||
size: float = 0
|
||||
cb_tot_size: float = 0
|
||||
cost_basis: float = 0
|
||||
be_price: float = 0
|
||||
|
||||
for tid, entry in self.clears.items():
|
||||
clear_size = entry['size']
|
||||
clear_price = entry['price']
|
||||
new_size = size + clear_size
|
||||
|
||||
# old size minus the new size gives us size diff with
|
||||
# +ve -> increase in pp size
|
||||
# -ve -> decrease in pp size
|
||||
size_diff = abs(new_size) - abs(size)
|
||||
last_accum_size = asize_h[-1] if asize_h else 0
|
||||
accum_size = last_accum_size + clear_size
|
||||
accum_sign = copysign(1, accum_size)
|
||||
|
||||
if new_size == 0:
|
||||
cost_basis = 0
|
||||
cb_tot_size = 0
|
||||
be_price = 0
|
||||
sign_change: bool = False
|
||||
|
||||
elif size_diff > 0:
|
||||
# only an increaze in size of the position contributes
|
||||
# the breakeven price, a decrease does not.
|
||||
if accum_size == 0:
|
||||
ppu_h.append(0)
|
||||
asize_h.append(0)
|
||||
continue
|
||||
|
||||
cost_basis += (
|
||||
# weighted price per unit of
|
||||
# test if the pp somehow went "passed" a net zero size state
|
||||
# resulting in a change of the "sign" of the size (+ve for
|
||||
# long, -ve for short).
|
||||
sign_change = (
|
||||
copysign(1, last_accum_size) + accum_sign == 0
|
||||
and last_accum_size != 0
|
||||
)
|
||||
|
||||
# since we passed the net-zero-size state the new size
|
||||
# after sum should be the remaining size the new
|
||||
# "direction" (aka, long vs. short) for this clear.
|
||||
if sign_change:
|
||||
clear_size = accum_size
|
||||
abs_diff = abs(accum_size)
|
||||
asize_h.append(0)
|
||||
ppu_h.append(0)
|
||||
|
||||
else:
|
||||
# old size minus the new size gives us size diff with
|
||||
# +ve -> increase in pp size
|
||||
# -ve -> decrease in pp size
|
||||
abs_diff = abs(accum_size) - abs(last_accum_size)
|
||||
|
||||
# XXX: LIFO breakeven price update. only an increaze in size
|
||||
# of the position contributes the breakeven price,
|
||||
# a decrease does not (i.e. the position is being made
|
||||
# smaller).
|
||||
# abs_clear_size = abs(clear_size)
|
||||
abs_new_size = abs(accum_size)
|
||||
|
||||
if abs_diff > 0:
|
||||
|
||||
cost_basis = (
|
||||
# cost basis for this clear
|
||||
clear_price * abs(clear_size)
|
||||
+
|
||||
# transaction cost
|
||||
(copysign(1, new_size) * entry['cost'] * 2)
|
||||
accum_sign * cost_scalar * entry['cost']
|
||||
)
|
||||
cb_tot_size += abs(clear_size)
|
||||
be_price = cost_basis / cb_tot_size
|
||||
|
||||
size = new_size
|
||||
if asize_h:
|
||||
size_last = abs(asize_h[-1])
|
||||
cb_last = ppu_h[-1] * size_last
|
||||
ppu = (cost_basis + cb_last) / abs_new_size
|
||||
|
||||
# print(
|
||||
# f'cb: {cost_basis}\n'
|
||||
# f'size: {size}\n'
|
||||
# f'clear_size: {clear_size}\n'
|
||||
# f'clear_price: {clear_price}\n\n'
|
||||
else:
|
||||
ppu = cost_basis / abs_new_size
|
||||
|
||||
# f'cb_tot_size: {cb_tot_size}\n'
|
||||
# f'be_price: {be_price}\n\n'
|
||||
# )
|
||||
ppu_h.append(ppu)
|
||||
asize_h.append(accum_size)
|
||||
|
||||
return be_price
|
||||
else:
|
||||
# on "exit" clears from a given direction,
|
||||
# only the size changes not the price-per-unit
|
||||
# need to be updated since the ppu remains constant
|
||||
# and gets weighted by the new size.
|
||||
asize_h.append(accum_size)
|
||||
ppu_h.append(ppu_h[-1])
|
||||
|
||||
return ppu_h[-1] if ppu_h else 0
|
||||
|
||||
def calc_size(self) -> float:
|
||||
size: float = 0
|
||||
|
@ -343,24 +402,57 @@ class Position(Struct):
|
|||
unecessary history irrelevant to the current pp state.
|
||||
|
||||
'''
|
||||
size: float = self.size
|
||||
clears_since_zero: deque[tuple(str, dict)] = deque()
|
||||
size: float = 0
|
||||
clears_since_zero: list[tuple(str, dict)] = []
|
||||
|
||||
# scan for the last "net zero" position by
|
||||
# iterating clears in reverse.
|
||||
for tid, clear in reversed(self.clears.items()):
|
||||
size -= clear['size']
|
||||
clears_since_zero.appendleft((tid, clear))
|
||||
# TODO: we might just want to always do this when iterating
|
||||
# a ledger? keep a state of the last net-zero and only do the
|
||||
# full iterate when no state was stashed?
|
||||
|
||||
# scan for the last "net zero" position by iterating
|
||||
# transactions until the next net-zero size, rinse, repeat.
|
||||
for tid, clear in self.clears.items():
|
||||
size += clear['size']
|
||||
clears_since_zero.append((tid, clear))
|
||||
|
||||
if size == 0:
|
||||
break
|
||||
clears_since_zero.clear()
|
||||
|
||||
self.clears = dict(clears_since_zero)
|
||||
return self.clears
|
||||
|
||||
def add_clear(
|
||||
self,
|
||||
t: Transaction,
|
||||
) -> dict:
|
||||
'''
|
||||
Update clearing table and populate rolling ppu and accumulative
|
||||
size in both the clears entry and local attrs state.
|
||||
|
||||
'''
|
||||
clear = self.clears[t.tid] = {
|
||||
'cost': t.cost,
|
||||
'price': t.price,
|
||||
'size': t.size,
|
||||
'dt': str(t.dt),
|
||||
}
|
||||
|
||||
# TODO: compute these incrementally instead
|
||||
# of re-looping through each time resulting in O(n**2)
|
||||
# behaviour..
|
||||
# compute these **after** adding the entry
|
||||
# in order to make the recurrence relation math work
|
||||
# inside ``.calc_size()``.
|
||||
self.size = clear['accum_size'] = self.calc_size()
|
||||
self.ppu = clear['ppu'] = self.calc_ppu()
|
||||
|
||||
return clear
|
||||
|
||||
|
||||
class PpTable(Struct):
|
||||
|
||||
brokername: str
|
||||
acctid: str
|
||||
pps: dict[str, Position]
|
||||
conf: Optional[dict] = {}
|
||||
|
||||
|
@ -372,31 +464,30 @@ class PpTable(Struct):
|
|||
) -> dict[str, Position]:
|
||||
|
||||
pps = self.pps
|
||||
|
||||
updated: dict[str, Position] = {}
|
||||
|
||||
# lifo update all pps from records
|
||||
for tid, r in trans.items():
|
||||
for tid, t in trans.items():
|
||||
|
||||
pp = pps.setdefault(
|
||||
r.bsuid,
|
||||
t.bsuid,
|
||||
|
||||
# if no existing pp, allocate fresh one.
|
||||
Position(
|
||||
Symbol.from_fqsn(
|
||||
r.fqsn,
|
||||
t.fqsn,
|
||||
info={},
|
||||
),
|
||||
size=0.0,
|
||||
be_price=0.0,
|
||||
bsuid=r.bsuid,
|
||||
expiry=r.expiry,
|
||||
ppu=0.0,
|
||||
bsuid=t.bsuid,
|
||||
expiry=t.expiry,
|
||||
)
|
||||
)
|
||||
|
||||
# don't do updates for ledger records we already have
|
||||
# included in the current pps state.
|
||||
if r.tid in pp.clears:
|
||||
if t.tid in pp.clears:
|
||||
# NOTE: likely you'll see repeats of the same
|
||||
# ``Transaction`` passed in here if/when you are restarting
|
||||
# a ``brokerd.ib`` where the API will re-report trades from
|
||||
|
@ -404,30 +495,20 @@ class PpTable(Struct):
|
|||
# "double count" these in pp calculations.
|
||||
continue
|
||||
|
||||
# lifo style "breakeven" price calc
|
||||
pp.lifo_update(
|
||||
r.size,
|
||||
r.price,
|
||||
# update clearing table
|
||||
pp.add_clear(t)
|
||||
updated[t.bsuid] = pp
|
||||
|
||||
# include transaction cost in breakeven price
|
||||
# and presume the worst case of the same cost
|
||||
# to exit this transaction (even though in reality
|
||||
# it will be dynamic based on exit stratetgy).
|
||||
cost=cost_scalar*r.cost,
|
||||
)
|
||||
|
||||
# track clearing data
|
||||
pp.update(r)
|
||||
|
||||
updated[r.bsuid] = pp
|
||||
# minimize clears tables and update sizing.
|
||||
for bsuid, pp in updated.items():
|
||||
pp.size, pp.ppu = pp.audit_sizing()
|
||||
|
||||
return updated
|
||||
|
||||
def dump_active(
|
||||
self,
|
||||
brokername: str,
|
||||
) -> tuple[
|
||||
dict[str, Any],
|
||||
dict[str, Position],
|
||||
dict[str, Position]
|
||||
]:
|
||||
'''
|
||||
|
@ -437,13 +518,12 @@ class PpTable(Struct):
|
|||
``Position``s which have recently closed.
|
||||
|
||||
'''
|
||||
# ONLY dict-serialize all active positions; those that are closed
|
||||
# we don't store in the ``pps.toml``.
|
||||
# NOTE: newly closed position are also important to report/return
|
||||
# since a consumer, like an order mode UI ;), might want to react
|
||||
# based on the closure.
|
||||
pp_entries = {}
|
||||
# based on the closure (for example removing the breakeven line
|
||||
# and clearing the entry from any lists/monitors).
|
||||
closed_pp_objs: dict[str, Position] = {}
|
||||
open_pp_objs: dict[str, Position] = {}
|
||||
|
||||
pp_objs = self.pps
|
||||
for bsuid in list(pp_objs):
|
||||
|
@ -454,7 +534,7 @@ class PpTable(Struct):
|
|||
# if bsuid == qqqbsuid:
|
||||
# breakpoint()
|
||||
|
||||
pp.minimize_clears()
|
||||
pp.size, pp.ppu = pp.audit_sizing()
|
||||
|
||||
if (
|
||||
# "net-zero" is a "closed" position
|
||||
|
@ -470,53 +550,71 @@ class PpTable(Struct):
|
|||
# used to check for duplicate clears that may come in as
|
||||
# new transaction from some backend API and need to be
|
||||
# ignored; the closed positions won't be written to the
|
||||
# ``pps.toml`` since ``pp_entries`` above is what's
|
||||
# ``pps.toml`` since ``pp_active_entries`` above is what's
|
||||
# written.
|
||||
# closed_pp = pp_objs.pop(bsuid, None)
|
||||
closed_pp = pp_objs.get(bsuid)
|
||||
if closed_pp:
|
||||
closed_pp_objs[bsuid] = closed_pp
|
||||
closed_pp_objs[bsuid] = pp
|
||||
|
||||
else:
|
||||
# serialize to pre-toml form
|
||||
asdict = pp.to_pretoml()
|
||||
open_pp_objs[bsuid] = pp
|
||||
|
||||
if pp.expiry is None:
|
||||
asdict.pop('expiry', None)
|
||||
return open_pp_objs, closed_pp_objs
|
||||
|
||||
# TODO: we need to figure out how to have one top level
|
||||
# listing venue here even when the backend isn't providing
|
||||
# it via the trades ledger..
|
||||
# drop symbol obj in serialized form
|
||||
s = asdict.pop('symbol')
|
||||
fqsn = s.front_fqsn()
|
||||
log.info(f'Updating active pp: {fqsn}')
|
||||
def to_toml(
|
||||
self,
|
||||
) -> dict[str, Any]:
|
||||
|
||||
# XXX: ugh, it's cuz we push the section under
|
||||
# the broker name.. maybe we need to rethink this?
|
||||
brokerless_key = fqsn.removeprefix(f'{brokername}.')
|
||||
active, closed = self.dump_active()
|
||||
|
||||
pp_entries[brokerless_key] = asdict
|
||||
# ONLY dict-serialize all active positions; those that are closed
|
||||
# we don't store in the ``pps.toml``.
|
||||
to_toml_dict = {}
|
||||
|
||||
return pp_entries, closed_pp_objs
|
||||
for bsuid, pos in active.items():
|
||||
|
||||
# keep the minimal amount of clears that make up this
|
||||
# position since the last net-zero state.
|
||||
pos.minimize_clears()
|
||||
|
||||
# serialize to pre-toml form
|
||||
fqsn, asdict = pos.to_pretoml()
|
||||
log.info(f'Updating active pp: {fqsn}')
|
||||
|
||||
# XXX: ugh, it's cuz we push the section under
|
||||
# the broker name.. maybe we need to rethink this?
|
||||
brokerless_key = fqsn.removeprefix(f'{self.brokername}.')
|
||||
to_toml_dict[brokerless_key] = asdict
|
||||
|
||||
return to_toml_dict
|
||||
|
||||
def write_config(self) -> None:
|
||||
'''
|
||||
Write the current position table to the user's ``pps.toml``.
|
||||
|
||||
'''
|
||||
# TODO: show diff output?
|
||||
# https://stackoverflow.com/questions/12956957/print-diff-of-python-dictionaries
|
||||
print(f'Updating ``pps.toml`` for {path}:\n')
|
||||
|
||||
# active, closed_pp_objs = table.dump_active()
|
||||
pp_entries = self.to_toml()
|
||||
self.conf[self.brokername][self.acctid] = pp_entries
|
||||
|
||||
# TODO: why tf haven't they already done this for inline
|
||||
# tables smh..
|
||||
enc = PpsEncoder(preserve=True)
|
||||
# table_bs_type = type(toml.TomlDecoder().get_empty_inline_table())
|
||||
enc.dump_funcs[
|
||||
toml.decoder.InlineTableDict
|
||||
] = enc.dump_inline_table
|
||||
|
||||
config.write(
|
||||
self.conf,
|
||||
'pps',
|
||||
encoder=enc,
|
||||
)
|
||||
|
||||
|
||||
def update_pps(
|
||||
records: dict[str, Transaction],
|
||||
pps: Optional[dict[str, Position]] = None
|
||||
|
||||
) -> dict[str, Position]:
|
||||
'''
|
||||
Compile a set of positions from a trades ledger.
|
||||
|
||||
'''
|
||||
pps: dict[str, Position] = pps or {}
|
||||
table = PpTable(pps)
|
||||
table.update_from_trans(records)
|
||||
return table.pps
|
||||
|
||||
|
||||
def load_trans_from_ledger(
|
||||
def load_pps_from_ledger(
|
||||
|
||||
brokername: str,
|
||||
acctname: str,
|
||||
|
@ -524,35 +622,40 @@ def load_trans_from_ledger(
|
|||
# post normalization filter on ledger entries to be processed
|
||||
filter_by: Optional[list[dict]] = None,
|
||||
|
||||
) -> dict[str, Position]:
|
||||
) -> tuple[
|
||||
dict[str, Transaction],
|
||||
dict[str, Position],
|
||||
]:
|
||||
'''
|
||||
Open a ledger file by broker name and account and read in and
|
||||
process any trade records into our normalized ``Transaction``
|
||||
form and then pass these into the position processing routine
|
||||
and deliver the two dict-sets of the active and closed pps.
|
||||
process any trade records into our normalized ``Transaction`` form
|
||||
and then update the equivalent ``Pptable`` and deliver the two
|
||||
bsuid-mapped dict-sets of the transactions and pps.
|
||||
|
||||
'''
|
||||
with open_trade_ledger(
|
||||
brokername,
|
||||
acctname,
|
||||
) as ledger:
|
||||
with (
|
||||
open_trade_ledger(brokername, acctname) as ledger,
|
||||
open_pps(brokername, acctname) as table,
|
||||
):
|
||||
if not ledger:
|
||||
# null case, no ledger file with content
|
||||
return {}
|
||||
|
||||
brokermod = get_brokermod(brokername)
|
||||
src_records: dict[str, Transaction] = brokermod.norm_trade_records(ledger)
|
||||
mod = get_brokermod(brokername)
|
||||
src_records: dict[str, Transaction] = mod.norm_trade_records(ledger)
|
||||
|
||||
if filter_by:
|
||||
records = {}
|
||||
bsuids = set(filter_by)
|
||||
for tid, r in src_records.items():
|
||||
if r.bsuid in bsuids:
|
||||
records[tid] = r
|
||||
else:
|
||||
records = src_records
|
||||
if filter_by:
|
||||
records = {}
|
||||
bsuids = set(filter_by)
|
||||
for tid, r in src_records.items():
|
||||
if r.bsuid in bsuids:
|
||||
records[tid] = r
|
||||
else:
|
||||
records = src_records
|
||||
|
||||
return records
|
||||
updated = table.update_from_trans(records)
|
||||
|
||||
return records, updated
|
||||
|
||||
|
||||
# TODO: instead see if we can hack tomli and tomli-w to do the same:
|
||||
|
@ -686,67 +789,6 @@ class PpsEncoder(toml.TomlEncoder):
|
|||
return (retstr, retdict)
|
||||
|
||||
|
||||
def load_pps_from_toml(
|
||||
brokername: str,
|
||||
acctid: str,
|
||||
|
||||
# XXX: there is an edge case here where we may want to either audit
|
||||
# the retrieved ``pps.toml`` output or reprocess it since there was
|
||||
# an error on write on the last attempt to update the state file
|
||||
# even though the ledger *was* updated. For this cases we allow the
|
||||
# caller to pass in a symbol set they'd like to reload from the
|
||||
# underlying ledger to be reprocessed in computing pps state.
|
||||
reload_records: Optional[dict[str, str]] = None,
|
||||
|
||||
# XXX: this is "global" update from ledger flag which
|
||||
# does a full refresh of pps from the available ledger.
|
||||
update_from_ledger: bool = False,
|
||||
|
||||
) -> tuple[PpTable, dict[str, str]]:
|
||||
'''
|
||||
Load and marshal to objects all pps from either an existing
|
||||
``pps.toml`` config, or from scratch from a ledger file when
|
||||
none yet exists.
|
||||
|
||||
'''
|
||||
with open_pps(
|
||||
brokername,
|
||||
acctid,
|
||||
write_on_exit=False,
|
||||
) as table:
|
||||
pp_objs = table.pps
|
||||
|
||||
# no pps entry yet for this broker/account so parse any available
|
||||
# ledgers to build a brand new pps state.
|
||||
if not pp_objs or update_from_ledger:
|
||||
trans = load_trans_from_ledger(
|
||||
brokername,
|
||||
acctid,
|
||||
)
|
||||
table.update_from_trans(trans)
|
||||
|
||||
# Reload symbol specific ledger entries if requested by the
|
||||
# caller **AND** none exist in the current pps state table.
|
||||
elif (
|
||||
pp_objs and reload_records
|
||||
):
|
||||
# no pps entry yet for this broker/account so parse
|
||||
# any available ledgers to build a pps state.
|
||||
trans = load_trans_from_ledger(
|
||||
brokername,
|
||||
acctid,
|
||||
filter_by=reload_records,
|
||||
)
|
||||
table.update_from_trans(trans)
|
||||
|
||||
if not table.pps:
|
||||
log.warning(
|
||||
f'No `pps.toml` values could be loaded {brokername}:{acctid}'
|
||||
)
|
||||
|
||||
return table, table.conf
|
||||
|
||||
|
||||
@cm
|
||||
def open_pps(
|
||||
brokername: str,
|
||||
|
@ -763,8 +805,23 @@ def open_pps(
|
|||
brokersection = conf.setdefault(brokername, {})
|
||||
pps = brokersection.setdefault(acctid, {})
|
||||
|
||||
# TODO: ideally we can pass in an existing
|
||||
# pps state to this right? such that we
|
||||
# don't have to do a ledger reload all the
|
||||
# time.. a couple ideas I can think of,
|
||||
# - mirror this in some client side actor which
|
||||
# does the actual ledger updates (say the paper
|
||||
# engine proc if we decide to always spawn it?),
|
||||
# - do diffs against updates from the ledger writer
|
||||
# actor and the in-mem state here?
|
||||
|
||||
pp_objs = {}
|
||||
table = PpTable(pp_objs, conf=conf)
|
||||
table = PpTable(
|
||||
brokername,
|
||||
acctid,
|
||||
pp_objs,
|
||||
conf=conf,
|
||||
)
|
||||
|
||||
# unmarshal/load ``pps.toml`` config entries into object form
|
||||
# and update `PpTable` obj entries.
|
||||
|
@ -789,29 +846,17 @@ def open_pps(
|
|||
clears[tid] = clears_table
|
||||
|
||||
size = entry['size']
|
||||
|
||||
# TODO: an audit system for existing pps entries?
|
||||
# if not len(clears) == abs(size):
|
||||
# pp_objs = load_pps_from_ledger(
|
||||
# brokername,
|
||||
# acctid,
|
||||
# filter_by=reload_records,
|
||||
# )
|
||||
# reason = 'size <-> len(clears) mismatch'
|
||||
# raise ValueError(
|
||||
# '`pps.toml` entry is invalid:\n'
|
||||
# f'{fqsn}\n'
|
||||
# f'{pformat(entry)}'
|
||||
# )
|
||||
# TODO: remove but, handle old field name for now
|
||||
ppu = entry.get('ppu', entry.get('be_price', 0))
|
||||
|
||||
expiry = entry.get('expiry')
|
||||
if expiry:
|
||||
expiry = pendulum.parse(expiry)
|
||||
|
||||
pp_objs[bsuid] = Position(
|
||||
pp = pp_objs[bsuid] = Position(
|
||||
Symbol.from_fqsn(fqsn, info={}),
|
||||
size=size,
|
||||
be_price=entry['be_price'],
|
||||
ppu=ppu,
|
||||
expiry=expiry,
|
||||
bsuid=entry['bsuid'],
|
||||
|
||||
|
@ -823,90 +868,14 @@ def open_pps(
|
|||
clears=clears,
|
||||
)
|
||||
|
||||
# audit entries loaded from toml
|
||||
pp.size, pp.ppu = pp.audit_sizing()
|
||||
|
||||
try:
|
||||
yield table
|
||||
finally:
|
||||
if write_on_exit:
|
||||
# TODO: show diff output?
|
||||
# https://stackoverflow.com/questions/12956957/print-diff-of-python-dictionaries
|
||||
print(f'Updating ``pps.toml`` for {path}:\n')
|
||||
|
||||
pp_entries, closed_pp_objs = table.dump_active(brokername)
|
||||
conf[brokername][acctid] = pp_entries
|
||||
|
||||
# TODO: why tf haven't they already done this for inline
|
||||
# tables smh..
|
||||
enc = PpsEncoder(preserve=True)
|
||||
# table_bs_type = type(toml.TomlDecoder().get_empty_inline_table())
|
||||
enc.dump_funcs[
|
||||
toml.decoder.InlineTableDict
|
||||
] = enc.dump_inline_table
|
||||
|
||||
config.write(
|
||||
conf,
|
||||
'pps',
|
||||
encoder=enc,
|
||||
)
|
||||
|
||||
|
||||
def update_pps_conf(
|
||||
brokername: str,
|
||||
acctid: str,
|
||||
|
||||
trade_records: Optional[dict[str, Transaction]] = None,
|
||||
ledger_reload: Optional[dict[str, str]] = None,
|
||||
|
||||
) -> tuple[
|
||||
dict[str, Position],
|
||||
dict[str, Position],
|
||||
]:
|
||||
# TODO: ideally we can pass in an existing
|
||||
# pps state to this right? such that we
|
||||
# don't have to do a ledger reload all the
|
||||
# time.. a couple ideas I can think of,
|
||||
# - load pps once after backend ledger state
|
||||
# is loaded and keep maintainend in memory
|
||||
# inside a with block,
|
||||
# - mirror this in some client side actor which
|
||||
# does the actual ledger updates (say the paper
|
||||
# engine proc if we decide to always spawn it?),
|
||||
# - do diffs against updates from the ledger writer
|
||||
# actor and the in-mem state here?
|
||||
|
||||
if trade_records and ledger_reload:
|
||||
for tid, r in trade_records.items():
|
||||
ledger_reload[r.bsuid] = r.fqsn
|
||||
|
||||
table, conf = load_pps_from_toml(
|
||||
brokername,
|
||||
acctid,
|
||||
reload_records=ledger_reload,
|
||||
)
|
||||
|
||||
# update all pp objects from any (new) trade records which
|
||||
# were passed in (aka incremental update case).
|
||||
if trade_records:
|
||||
table.update_from_trans(trade_records)
|
||||
|
||||
# this maps `.bsuid` values to positions
|
||||
pp_entries, closed_pp_objs = table.dump_active(brokername)
|
||||
pp_objs: dict[Union[str, int], Position] = table.pps
|
||||
|
||||
conf[brokername][acctid] = pp_entries
|
||||
|
||||
# TODO: why tf haven't they already done this for inline tables smh..
|
||||
enc = PpsEncoder(preserve=True)
|
||||
# table_bs_type = type(toml.TomlDecoder().get_empty_inline_table())
|
||||
enc.dump_funcs[toml.decoder.InlineTableDict] = enc.dump_inline_table
|
||||
|
||||
config.write(
|
||||
conf,
|
||||
'pps',
|
||||
encoder=enc,
|
||||
)
|
||||
|
||||
# deliver object form of all pps in table to caller
|
||||
return pp_objs, closed_pp_objs
|
||||
table.write_config()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
|
@ -917,4 +886,9 @@ if __name__ == '__main__':
|
|||
args = args[1:]
|
||||
for acctid in args:
|
||||
broker, name = acctid.split('.')
|
||||
update_pps_conf(broker, name)
|
||||
trans, updated_pps = load_pps_from_ledger(broker, name)
|
||||
print(
|
||||
f'Processing transactions into pps for {broker}:{acctid}\n'
|
||||
f'{pformat(trans)}\n\n'
|
||||
f'{pformat(updated_pps)}'
|
||||
)
|
||||
|
|
|
@ -106,8 +106,8 @@ async def update_pnl_from_feed(
|
|||
# compute and display pnl status
|
||||
order_mode.pane.pnl_label.format(
|
||||
pnl=copysign(1, size) * pnl(
|
||||
# live.be_price,
|
||||
order_mode.current_pp.live_pp.be_price,
|
||||
# live.ppu,
|
||||
order_mode.current_pp.live_pp.ppu,
|
||||
tick['price'],
|
||||
),
|
||||
)
|
||||
|
@ -357,7 +357,7 @@ class SettingsPane:
|
|||
# last historical close price
|
||||
last = feed.shm.array[-1][['close']][0]
|
||||
pnl_value = copysign(1, size) * pnl(
|
||||
tracker.live_pp.be_price,
|
||||
tracker.live_pp.ppu,
|
||||
last,
|
||||
)
|
||||
|
||||
|
@ -557,7 +557,7 @@ class PositionTracker:
|
|||
pp = position or self.live_pp
|
||||
|
||||
self.update_line(
|
||||
pp.be_price,
|
||||
pp.ppu,
|
||||
pp.size,
|
||||
self.chart.linked.symbol.lot_size_digits,
|
||||
)
|
||||
|
@ -571,7 +571,7 @@ class PositionTracker:
|
|||
self.hide()
|
||||
|
||||
else:
|
||||
self._level_marker.level = pp.be_price
|
||||
self._level_marker.level = pp.ppu
|
||||
|
||||
# these updates are critical to avoid lag on view/scene changes
|
||||
self._level_marker.update() # trigger paint
|
||||
|
|
|
@ -610,7 +610,7 @@ async def open_order_mode(
|
|||
startup_pp = Position(
|
||||
symbol=symbol,
|
||||
size=0,
|
||||
be_price=0,
|
||||
ppu=0,
|
||||
|
||||
# XXX: BLEH, do we care about this on the client side?
|
||||
bsuid=symbol,
|
||||
|
|
Loading…
Reference in New Issue