Allow dispatch asset to have custom repartition

1 files changed, 13 insertions, 4 deletions

diff --git a/portfolio.py b/portfolio.py
index 946a96a..20f83e4 100644
--- a/portfolio.py
+++ b/portfolio.py
@@ -205,11 +205,12 @@ class Balance:
         return cls.known_balances
 
     @classmethod
-    def dispatch_assets(cls, amount):
-        repartition_pertenthousand = Portfolio.repartition_pertenthousand()
-        sum_pertenthousand = sum([v for k, v in repartition_pertenthousand.items()])
+    def dispatch_assets(cls, amount, repartition=None):
+        if repartition is None:
+            repartition = Portfolio.repartition_pertenthousand()
+        sum_pertenthousand = sum([v for k, v in repartition.items()])
         amounts = {}
-        for currency, ptt in repartition_pertenthousand.items():
+        for currency, ptt in repartition.items():
             amounts[currency] = ptt * amount / sum_pertenthousand
             if currency not in cls.known_balances:
                 cls.known_balances[currency] = cls(currency, 0, 0, 0)
@@ -233,6 +234,14 @@ class Balance:
         new_repartition = cls.dispatch_assets(total_base_value)
         Trade.compute_trades(values_in_base, new_repartition, only=only, market=market)
 
+    @classmethod
+    def prepare_trades_to_sell_all(cls, market, base_currency="BTC", compute_value="average"):
+        cls.fetch_balances(market)
+        values_in_base = cls.in_currency(base_currency, market, compute_value=compute_value)
+        total_base_value = sum(values_in_base.values())
+        new_repartition = cls.dispatch_assets(total_base_value, repartition={ base_currency: 1 })
+        Trade.compute_trades(values_in_base, new_repartition, market=market)
+
     def __repr__(self):
         return "Balance({} [{}/{}/{}])".format(self.currency, str(self.free), str(self.used), str(self.total))