From 5525fdae1a4211949d77fe3676dbd6f37e4fbe22 Mon Sep 17 00:00:00 2001
From: Stefano Ariestasia <stefano.ariestasia@gmail.com>
Date: Wed, 19 Jan 2022 16:50:13 +0900
Subject: [PATCH] add max_buy_position_adjustment as attribute

---
 docs/configuration.md                    | 2 ++
 docs/strategy-callbacks.md               | 4 ++--
 freqtrade/resolvers/strategy_resolver.py | 3 ++-
 freqtrade/strategy/interface.py          | 1 +
 4 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/docs/configuration.md b/docs/configuration.md
index 340ae2e72..3b7ae3c86 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -173,6 +173,7 @@ Mandatory parameters are marked as **Required**, which means that they are requi
 | `dataformat_ohlcv` | Data format to use to store historical candle (OHLCV) data. <br> *Defaults to `json`*. <br> **Datatype:** String
 | `dataformat_trades` | Data format to use to store historical trades data. <br> *Defaults to `jsongz`*. <br> **Datatype:** String
 | `position_adjustment_enable` | Enables the strategy to use position adjustments (additional buys or sells). [More information here](strategy-callbacks.md#adjust-trade-position). <br> [Strategy Override](#parameters-in-the-strategy). <br>*Defaults to `false`.*<br> **Datatype:** Boolean
+| `max_buy_position_adjustment` | Maximum additional buy(s) for each open trades on top of the first buy. [More information here](strategy-callbacks.md#adjust-trade-position). <br> [Strategy Override](#parameters-in-the-strategy). <br>*Defaults to `1`.*<br> **Datatype:** Positive Integer
 
 ### Parameters in the strategy
 
@@ -198,6 +199,7 @@ Values set in the configuration file always overwrite values set in the strategy
 * `ignore_roi_if_buy_signal`
 * `ignore_buying_expired_candle_after`
 * `position_adjustment_enable`
+* `max_buy_position_adjustment`
 
 ### Configuring amount per trade
 
diff --git a/docs/strategy-callbacks.md b/docs/strategy-callbacks.md
index 6edc549a4..f0f9a1853 100644
--- a/docs/strategy-callbacks.md
+++ b/docs/strategy-callbacks.md
@@ -611,7 +611,7 @@ class DigDeeperStrategy(IStrategy):
     # ... populate_* methods
     
     # Example specific variables
-    max_dca_orders = 3
+    max_buy_position_adjustment = 3
     # This number is explained a bit further down
     max_dca_multiplier = 5.5
     
@@ -663,7 +663,7 @@ class DigDeeperStrategy(IStrategy):
         # Total stake for this trade would be 1 + 1.25 + 1.5 + 1.75 = 5.5x of the initial allowed stake.
         # That is why max_dca_multiplier is 5.5
         # Hope you have a deep wallet!
-        if 0 < count_of_buys <= self.max_dca_orders:
+        if 0 < count_of_buys <= self.max_buy_position_adjustment:
             try:
                 # This returns first order stake size
                 stake_amount = filled_buys[0].cost
diff --git a/freqtrade/resolvers/strategy_resolver.py b/freqtrade/resolvers/strategy_resolver.py
index 95177c000..d331bd893 100644
--- a/freqtrade/resolvers/strategy_resolver.py
+++ b/freqtrade/resolvers/strategy_resolver.py
@@ -97,7 +97,8 @@ class StrategyResolver(IResolver):
                       ("sell_profit_offset",              0.0),
                       ("disable_dataframe_checks",        False),
                       ("ignore_buying_expired_candle_after",  0),
-                      ("position_adjustment_enable",      False)
+                      ("position_adjustment_enable",      False),
+                      ("max_buy_position_adjustment",      1)
                       ]
         for attribute, default in attributes:
             StrategyResolver._override_attribute_helper(strategy, config,
diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index c8fb24da1..5a095aed3 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -108,6 +108,7 @@ class IStrategy(ABC, HyperStrategyMixin):
 
     # Position adjustment is disabled by default
     position_adjustment_enable: bool = False
+    max_buy_position_adjustment: int = 1
 
     # Number of seconds after which the candle will no longer result in a buy on expired candles
     ignore_buying_expired_candle_after: int = 0