Allow exchange-minimum Kelly layers

crypto_spot_bot/bot.py

@@ -140,7 +140,7 @@ class CryptoSpotBot:
                             symbol,
                             "HOLD",
                             0.0,
-                            "пауза после закрытия позиции",
+                            "пауза между входами по паре",
                             {"cooldown_remaining_seconds": cooldown_seconds - age},
                         )
                     )
@@ -150,6 +150,7 @@ class CryptoSpotBot:
             candles = self.market.candles.get(symbol, [])
             trend_candles = self.market.trend_candles.get(symbol, [])
             open_count = len(self.broker.positions_for_symbol(symbol))
+            instrument = self.market.instruments.get(symbol)
             pattern = self.market.patterns.get(symbol, {})
             forecast = self.market.forecasts.get(symbol, {})
             learning = self.learner.adjustment_for(symbol, str(pattern.get("label", ""))).as_dict()
@@ -159,6 +160,7 @@ class CryptoSpotBot:
             account["symbol"] = symbol
             account["symbol_exposure_usdt"] = self.broker.symbol_exposure(symbol)
             account["open_positions_for_symbol"] = open_count
+            account["exchange_min_entry_usdt"] = self.broker.minimum_entry_budget(instrument, ticker)
             if risk_guard.get("block_new_entries"):
                 self.storage.insert_signal(
                     Signal(
@@ -224,12 +226,14 @@ class CryptoSpotBot:
             )
             self.storage.insert_signal(signal)
             if signal.action == "BUY" and ticker is not None:
-                self.broker.buy(
+                position = self.broker.buy(
                     signal,
                     ticker,
-                    self.market.instruments.get(symbol),
+                    instrument,
                     prices,
                 )
+                if position is not None:
+                    self._entry_cooldown_until[symbol] = utc_now()
 
     @staticmethod
     def _risk_guard_for_symbol(risk_guard: dict, symbol: str) -> dict: