]> git.immae.eu Git - perso/Immae/Projets/Cryptomonnaies/Cryptoportfolio/Trader.git/blobdiff - store.py
Merge branch 'dev'
[perso/Immae/Projets/Cryptomonnaies/Cryptoportfolio/Trader.git] / store.py
index 072d3a2f02ccbc7dd17c1e92b51a786f57d7c6a5..425f08d7ce85f322addb44219ed7ab0341926132 100644 (file)
--- a/store.py
+++ b/store.py
@@ -7,6 +7,7 @@ import datetime
 import inspect
 from json import JSONDecodeError
 from simplejson.errors import JSONDecodeError as SimpleJSONDecodeError
+import dbs
 
 __all__ = ["Portfolio", "BalanceStore", "ReportStore", "TradeStore"]
 
@@ -98,7 +99,8 @@ class ReportStore:
             "args": args,
             })
 
-    def log_balances(self, tag=None):
+    def log_balances(self, tag=None, checkpoint=None, tickers=None,
+            ticker_currency=None, compute_value=None, type=None):
         self.print_log("[Balance]")
         for currency, balance in self.market.balances.all.items():
             self.print_log("\t{}".format(balance))
@@ -106,14 +108,26 @@ class ReportStore:
         log = {
                 "type": "balance",
                 "tag": tag,
+                "checkpoint": checkpoint,
                 "balances": self.market.balances.as_json()
                 }
 
+        if tickers is not None:
+            log["tickers"] = self._ticker_hash(tickers, ticker_currency,
+                    compute_value, type)
+
         self.add_log(log.copy())
         self.add_redis_status(log)
 
     def log_tickers(self, amounts, other_currency,
             compute_value, type):
+        log = self._ticker_hash(amounts, other_currency, compute_value,
+                type)
+        log["type"] = "tickers"
+
+        self.add_log(log)
+
+    def _ticker_hash(self, amounts, other_currency, compute_value, type):
         values = {}
         rates = {}
         if callable(compute_value):
@@ -122,8 +136,7 @@ class ReportStore:
         for currency, amount in amounts.items():
             values[currency] = amount.as_json()["value"]
             rates[currency] = amount.rate
-        log = {
-                "type": "tickers",
+        return {
                 "compute_value": compute_value,
                 "balance_type": type,
                 "currency": other_currency,
@@ -132,9 +145,6 @@ class ReportStore:
                 "total": sum(amounts.values()).as_json()["value"]
                 }
 
-        self.add_log(log.copy())
-        self.add_redis_status(log)
-
     def log_dispatch(self, amount, amounts, liquidity, repartition):
         self.add_log({
             "type": "dispatch",
@@ -294,13 +304,69 @@ class BalanceStore:
                 compute_value, type)
         return amounts
 
-    def fetch_balances(self, tag=None):
+    def fetch_balances(self, tag=None, add_portfolio=False, liquidity="medium",
+            checkpoint=None, log_tickers=False, add_usdt=False,
+            ticker_currency="BTC", ticker_compute_value="average", ticker_type="total"):
         all_balances = self.market.ccxt.fetch_all_balances()
         for currency, balance in all_balances.items():
             if balance["exchange_total"] != 0 or balance["margin_total"] != 0 or \
                     currency in self.all:
                 self.all[currency] = portfolio.Balance(currency, balance)
-        self.market.report.log_balances(tag=tag)
+        if add_portfolio:
+            for currency in Portfolio.repartition(from_cache=True, liquidity=liquidity):
+                self.all.setdefault(currency, portfolio.Balance(currency, {}))
+        if add_usdt:
+            self.all.setdefault("USDT", portfolio.Balance("USDT", {}))
+        if log_tickers:
+            tickers = self.in_currency(ticker_currency, compute_value=ticker_compute_value, type=ticker_type)
+            self.market.report.log_balances(tag=tag, checkpoint=checkpoint,
+                    tickers=tickers, ticker_currency=ticker_currency,
+                    compute_value=ticker_compute_value, type=ticker_type)
+        else:
+            self.market.report.log_balances(tag=tag, checkpoint=checkpoint)
+
+    def available_balances_for_repartition(self,
+            compute_value="average", base_currency="BTC",
+            liquidity="medium", repartition=None):
+        if repartition is None:
+            repartition = Portfolio.repartition(liquidity=liquidity)
+        base_currency_balance = self.all.get(base_currency)
+
+        if base_currency_balance is None:
+            total_base_value = portfolio.Amount(base_currency, 0)
+        else:
+            total_base_value = base_currency_balance.exchange_free + \
+                    base_currency_balance.margin_available - \
+                    base_currency_balance.margin_in_position
+
+        amount_in_position = {}
+
+        # Compute balances already in the target position
+        for currency, (ptt, trade_type) in repartition.items():
+            amount_in_position[currency] = portfolio.Amount(base_currency, 0)
+            balance = self.all.get(currency)
+            if currency != base_currency and balance is not None:
+                if trade_type == "short":
+                    amount = balance.margin_borrowed
+                else:
+                    amount = balance.exchange_free + balance.exchange_used
+                amount_in_position[currency] = amount.in_currency(base_currency,
+                    self.market, compute_value=compute_value)
+                total_base_value += amount_in_position[currency]
+
+        # recursively delete more-than-filled positions from the wanted
+        # repartition
+        did_delete = True
+        while did_delete:
+            did_delete = False
+            sum_ratio = sum([v[0] for k, v in repartition.items()])
+            current_base_value = total_base_value
+            for currency, (ptt, trade_type) in repartition.copy().items():
+                if amount_in_position[currency] > current_base_value * ptt / sum_ratio:
+                    did_delete = True
+                    del(repartition[currency])
+                    total_base_value -= amount_in_position[currency]
+        return repartition, total_base_value, amount_in_position
 
     def dispatch_assets(self, amount, liquidity="medium", repartition=None):
         if repartition is None:
@@ -433,13 +499,32 @@ class Portfolio:
     worker_started = False
     worker_notify = None
     callback = None
+    poll_started_at = None
+
+    @classmethod
+    def next_wait_time(cls):
+        now = datetime.datetime.now()
+        if cls.poll_started_at is None:
+            cls.poll_started_at = now
+        delta = now - cls.poll_started_at
+
+        if delta < datetime.timedelta(minutes=30):
+            return 30
+        elif delta < datetime.timedelta(hours=1):
+            return 60
+        elif delta < datetime.timedelta(hours=4):
+            return 5*60
+        elif delta < datetime.timedelta(days=1):
+            return 60*60
+        else:
+            raise Exception("Too long waiting")
 
     @classmethod
-    def start_worker(cls, poll=30):
+    def start_worker(cls):
         import threading
 
         cls.worker = threading.Thread(name="portfolio", daemon=True,
-                target=cls.wait_for_notification, kwargs={"poll": poll})
+                target=cls.wait_for_notification)
         cls.worker_notify = threading.Event()
         cls.callback = threading.Event()
 
@@ -460,7 +545,7 @@ class Portfolio:
             return cls.worker == threading.current_thread()
 
     @classmethod
-    def wait_for_notification(cls, poll=30):
+    def wait_for_notification(cls):
         if not cls.is_worker_thread():
             raise RuntimeError("This method needs to be ran with the worker")
         while cls.worker_started:
@@ -470,7 +555,10 @@ class Portfolio:
                 cls.report.print_log("[Worker] Fetching cryptoportfolio")
                 cls.get_cryptoportfolio(refetch=True)
                 cls.callback.set()
-                time.sleep(poll)
+                try:
+                    time.sleep(cls.next_wait_time())
+                except Exception:
+                    cls.stop_worker()
 
     @classmethod
     def stop_worker(cls):
@@ -484,25 +572,30 @@ class Portfolio:
         cls.callback.wait()
 
     @classmethod
-    def wait_for_recent(cls, delta=4, poll=30):
+    def wait_for_recent(cls, delta=4):
         cls.get_cryptoportfolio()
         while cls.last_date.get() is None or datetime.datetime.now() - cls.last_date.get() > datetime.timedelta(delta):
             if cls.worker is None:
-                time.sleep(poll)
+                time.sleep(cls.next_wait_time())
                 cls.report.print_log("Attempt to fetch up-to-date cryptoportfolio")
             cls.get_cryptoportfolio(refetch=True)
 
     @classmethod
-    def repartition(cls, liquidity="medium"):
+    def repartition(cls, liquidity="medium", from_cache=False):
+        if from_cache:
+            cls.retrieve_cryptoportfolio()
         cls.get_cryptoportfolio()
         liquidities = cls.liquidities.get(liquidity)
-        return liquidities[cls.last_date.get()]
+        if liquidities is not None and cls.last_date.get() in liquidities:
+            return liquidities[cls.last_date.get()].copy()
 
     @classmethod
     def get_cryptoportfolio(cls, refetch=False):
         if cls.data.get() is not None and not refetch:
             return
         if cls.worker is not None and not cls.is_worker_thread():
+            if not cls.worker_started:
+                raise Exception("Portfolio worker is down and no usable data is present")
             cls.notify_and_wait()
             return
         try:
@@ -515,11 +608,38 @@ class Portfolio:
         try:
             cls.data.set(r.json(parse_int=D, parse_float=D))
             cls.parse_cryptoportfolio()
-        except (JSONDecodeError, SimpleJSONDecodeError):
+            cls.store_cryptoportfolio()
+        except (AssertionError, JSONDecodeError, SimpleJSONDecodeError):
             cls.data.set(None)
             cls.last_date.set(None)
             cls.liquidities.set({})
 
+    @classmethod
+    def retrieve_cryptoportfolio(cls):
+        if dbs.redis_connected():
+            repartition = dbs.redis.get("/cryptoportfolio/repartition/latest")
+            date = dbs.redis.get("/cryptoportfolio/repartition/date")
+            if date is not None and repartition is not None:
+                date = datetime.datetime.strptime(date.decode(), "%Y-%m-%d")
+                repartition = json.loads(repartition, parse_int=D, parse_float=D)
+                repartition = { k: { date: v } for k, v in repartition.items() }
+
+                cls.data.set("")
+                cls.last_date.set(date)
+                cls.liquidities.set(repartition)
+
+    @classmethod
+    def store_cryptoportfolio(cls):
+        if dbs.redis_connected():
+            hash_ = {}
+            for liquidity, repartitions in cls.liquidities.items():
+                hash_[liquidity] = repartitions[cls.last_date.get()]
+            dump = json.dumps(hash_)
+            key = "/cryptoportfolio/repartition/latest"
+            dbs.redis.set(key, dump)
+            key = "/cryptoportfolio/repartition/date"
+            dbs.redis.set(key, cls.last_date.date().isoformat())
+
     @classmethod
     def parse_cryptoportfolio(cls):
         def filter_weights(weight_hash):
@@ -552,6 +672,8 @@ class Portfolio:
         high_liquidity = parse_weights(cls.data.get("portfolio_1"))
         medium_liquidity = parse_weights(cls.data.get("portfolio_2"))
 
+        assert len(high_liquidity) > 0
+        assert len(medium_liquidity) > 0
         cls.liquidities.set({
             "medium": medium_liquidity,
             "high":   high_liquidity,