import time
from store import *
from cachetools.func import ttl_cache
+from datetime import datetime
+import portfolio
class Market:
debug = False
trades = None
balances = None
- def __init__(self, ccxt_instance, debug=False):
+ def __init__(self, ccxt_instance, debug=False, user_id=None, report_path=None):
self.debug = debug
self.ccxt = ccxt_instance
self.ccxt._market = self
self.report = ReportStore(self)
self.trades = TradeStore(self)
self.balances = BalanceStore(self)
+ self.processor = Processor(self)
+
+ self.user_id = user_id
+ self.report_path = report_path
@classmethod
- def from_config(cls, config, debug=False):
- config["apiKey"] = config.pop("key")
+ def from_config(cls, config, debug=False, user_id=None, report_path=None):
+ config["apiKey"] = config.pop("key", None)
ccxt_instance = ccxt.poloniexE(config)
ccxt_instance.session.request = request_wrap.__get__(ccxt_instance.session,
ccxt_instance.session.__class__)
- return cls(ccxt_instance, debug=debug)
+ return cls(ccxt_instance, debug=debug, user_id=user_id, report_path=report_path)
+
+ def store_report(self):
+ self.report.merge(Portfolio.report)
+ try:
+ if self.report_path is not None:
+ report_file = "{}/{}_{}.json".format(self.report_path, datetime.now().isoformat(), self.user_id)
+ with open(report_file, "w") as f:
+ f.write(self.report.to_json())
+ except Exception as e:
+ print("impossible to store report file: {}; {}".format(e.__class__.__name__, e))
+
+ def process(self, actions, before=False, after=False):
+ try:
+ if len(actions or []) == 0:
+ if before:
+ self.processor.process("sell_all", steps="before")
+ if after:
+ self.processor.process("sell_all", steps="after")
+ else:
+ for action in actions:
+ if hasattr(self, action):
+ getattr(self, action)()
+ else:
+ self.report.log_error("market_process", message="Unknown action {}".format(action))
+ except Exception as e:
+ self.report.log_error("market_process", exception=e)
+ finally:
+ self.store_report()
def move_balances(self):
needed_in_margin = {}
"inverted": False,
"average": (ticker["bid"] + ticker["ask"] ) / 2,
})
+ return ticker
tickers = self.get_tickers()
if tickers is None:
try:
- ticker = self.ccxt.fetch_ticker("{}/{}".format(c1, c2))
- augment_ticker(ticker)
+ ticker = augment_ticker(self.ccxt.fetch_ticker("{}/{}".format(c1, c2)))
except ExchangeError:
try:
- ticker = invert(self.ccxt.fetch_ticker("{}/{}".format(c2, c1)))
+ ticker = invert(augment_ticker(self.ccxt.fetch_ticker("{}/{}".format(c2, c1))))
except ExchangeError:
ticker = None
else:
if "{}/{}".format(c1, c2) in tickers:
- ticker = tickers["{}/{}".format(c1, c2)]
- augment_ticker(ticker)
+ ticker = augment_ticker(tickers["{}/{}".format(c1, c2)])
elif "{}/{}".format(c2, c1) in tickers:
- ticker = invert(tickers["{}/{}".format(c2, c1)])
+ ticker = invert(augment_ticker(tickers["{}/{}".format(c2, c1)]))
else:
ticker = None
return ticker
order.trade.update_order(order, tick)
self.report.log_stage("follow_orders_end")
- def prepare_trades(self, base_currency="BTC", liquidity="medium", compute_value="average"):
- self.report.log_stage("prepare_trades")
- values_in_base = self.balances.in_currency(base_currency, compute_value=compute_value)
- total_base_value = sum(values_in_base.values())
- new_repartition = self.balances.dispatch_assets(total_base_value, liquidity=liquidity)
- # Recompute it in case we have new currencies
- values_in_base = self.balances.in_currency(base_currency, compute_value=compute_value)
- self.trades.compute_trades(values_in_base, new_repartition)
-
- def update_trades(self, base_currency="BTC", liquidity="medium", compute_value="average", only=None):
- self.report.log_stage("update_trades")
- values_in_base = self.balances.in_currency(base_currency, compute_value=compute_value)
+ def prepare_trades(self, base_currency="BTC", liquidity="medium",
+ compute_value="average", repartition=None, only=None):
+
+ self.report.log_stage("prepare_trades",
+ base_currency=base_currency, liquidity=liquidity,
+ compute_value=compute_value, only=only,
+ repartition=repartition)
+
+ values_in_base = self.balances.in_currency(base_currency,
+ compute_value=compute_value)
total_base_value = sum(values_in_base.values())
- new_repartition = self.balances.dispatch_assets(total_base_value, liquidity=liquidity)
+ new_repartition = self.balances.dispatch_assets(total_base_value,
+ liquidity=liquidity, repartition=repartition)
self.trades.compute_trades(values_in_base, new_repartition, only=only)
- def prepare_trades_to_sell_all(self, base_currency="BTC", compute_value="average"):
- self.report.log_stage("prepare_trades_to_sell_all")
- values_in_base = self.balances.in_currency(base_currency, compute_value=compute_value)
- total_base_value = sum(values_in_base.values())
- new_repartition = self.balances.dispatch_assets(total_base_value, repartition={ base_currency: (1, "long") })
- self.trades.compute_trades(values_in_base, new_repartition)
+ # Helpers
+ def print_orders(self, base_currency="BTC"):
+ self.report.log_stage("print_orders")
+ self.balances.fetch_balances(tag="print_orders")
+ self.prepare_trades(base_currency=base_currency, compute_value="average")
+ self.trades.prepare_orders(compute_value="average")
+
+ def print_balances(self, base_currency="BTC"):
+ self.report.log_stage("print_balances")
+ self.balances.fetch_balances()
+ if base_currency is not None:
+ self.report.print_log("total:")
+ self.report.print_log(sum(self.balances.in_currency(base_currency).values()))
+
+class Processor:
+ scenarios = {
+ "sell_needed": [
+ {
+ "name": "wait",
+ "number": 0,
+ "before": False,
+ "after": True,
+ "wait_for_recent": {},
+ },
+ {
+ "name": "sell",
+ "number": 1,
+ "before": False,
+ "after": True,
+ "fetch_balances": ["begin", "end"],
+ "prepare_trades": {},
+ "prepare_orders": { "only": "dispose", "compute_value": "average" },
+ "run_orders": {},
+ "follow_orders": {},
+ "close_trades": {},
+ },
+ {
+ "name": "buy",
+ "number": 2,
+ "before": False,
+ "after": True,
+ "fetch_balances": ["begin", "end"],
+ "prepare_trades": { "only": "acquire" },
+ "prepare_orders": { "only": "acquire", "compute_value": "average" },
+ "move_balances": {},
+ "run_orders": {},
+ "follow_orders": {},
+ "close_trades": {},
+ },
+ ],
+ "sell_all": [
+ {
+ "name": "all_sell",
+ "number": 1,
+ "before": True,
+ "after": False,
+ "fetch_balances": ["begin", "end"],
+ "prepare_trades": { "repartition": { "base_currency": (1, "long") } },
+ "prepare_orders": { "compute_value": "average" },
+ "run_orders": {},
+ "follow_orders": {},
+ "close_trades": {},
+ },
+ {
+ "name": "wait",
+ "number": 2,
+ "before": False,
+ "after": True,
+ "wait_for_recent": {},
+ },
+ {
+ "name": "all_buy",
+ "number": 3,
+ "before": False,
+ "after": True,
+ "fetch_balances": ["begin", "end"],
+ "prepare_trades": {},
+ "prepare_orders": { "compute_value": "average" },
+ "move_balances": {},
+ "run_orders": {},
+ "follow_orders": {},
+ "close_trades": {},
+ },
+ ]
+ }
+
+ ordered_actions = [
+ "wait_for_recent", "prepare_trades", "prepare_orders",
+ "move_balances", "run_orders", "follow_orders",
+ "close_trades"]
+
+ def __init__(self, market):
+ self.market = market
+
+ def select_steps(self, scenario, step):
+ if step == "all":
+ return scenario
+ elif step == "before" or step == "after":
+ return list(filter(lambda x: step in x and x[step], scenario))
+ elif type(step) == int:
+ return [scenario[step-1]]
+ elif type(step) == str:
+ return list(filter(lambda x: x["name"] == step, scenario))
+ else:
+ raise TypeError("Unknown step {}".format(step))
+
+ def process(self, scenario_name, steps="all", **kwargs):
+ scenario = self.scenarios[scenario_name]
+ selected_steps = []
+
+ if type(steps) == str or type(steps) == int:
+ selected_steps += self.select_steps(scenario, steps)
+ else:
+ for step in steps:
+ selected_steps += self.select_steps(scenario, step)
+ for step in selected_steps:
+ self.process_step(scenario_name, step, kwargs)
+
+ def process_step(self, scenario_name, step, kwargs):
+ process_name = "process_{}__{}_{}".format(scenario_name, step["number"], step["name"])
+ self.market.report.log_stage("{}_begin".format(process_name))
+ if "begin" in step.get("fetch_balances", []):
+ self.market.balances.fetch_balances(tag="{}_begin".format(process_name))
+
+ for action in self.ordered_actions:
+ if action in step:
+ self.run_action(action, step[action], kwargs)
+
+ if "end" in step.get("fetch_balances", []):
+ self.market.balances.fetch_balances(tag="{}_end".format(process_name))
+ self.market.report.log_stage("{}_end".format(process_name))
+
+ def method_arguments(self, action):
+ import inspect
+
+ if action == "wait_for_recent":
+ method = Portfolio.wait_for_recent
+ elif action == "prepare_trades":
+ method = self.market.prepare_trades
+ elif action == "prepare_orders":
+ method = self.market.trades.prepare_orders
+ elif action == "move_balances":
+ method = self.market.move_balances
+ elif action == "run_orders":
+ method = self.market.trades.run_orders
+ elif action == "follow_orders":
+ method = self.market.follow_orders
+ elif action == "close_trades":
+ method = self.market.trades.close_trades
+
+ signature = inspect.getfullargspec(method)
+ defaults = signature.defaults or []
+ kwargs = signature.args[-len(defaults):]
+
+ return [method, kwargs]
+
+ def parse_args(self, action, default_args, kwargs):
+ method, allowed_arguments = self.method_arguments(action)
+ args = {k: v for k, v in {**default_args, **kwargs}.items() if k in allowed_arguments }
+
+ if "repartition" in args and "base_currency" in args["repartition"]:
+ r = args["repartition"]
+ r[args.get("base_currency", "BTC")] = r.pop("base_currency")
+
+ return method, args
+ def run_action(self, action, default_args, kwargs):
+ method, args = self.parse_args(action, default_args, kwargs)
+ method(**args)