From 6232a0b76cc041126af62b628394020115cbace0 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@gitorious>
Date: Sat, 15 Aug 2015 10:02:47 +0200
Subject: [PATCH] speedup fee computation when collecting small inputs

---
 lib/wallet.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/wallet.py b/lib/wallet.py
index 3960b9ee1..b32774c1a 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -893,9 +893,10 @@ class Abstract_Wallet(object):
 
         fee_per_kb = self.fee_per_kb(config)
         amount = sum(map(lambda x:x[2], outputs))
-        total = fee = 0
+        total = 0
         inputs = []
         tx = Transaction.from_io(inputs, outputs)
+        fee = fixed_fee if fixed_fee is not None else 0
         # add old inputs first
         for item in coins:
             v = item.get('value')
@@ -903,7 +904,7 @@ class Abstract_Wallet(object):
             self.add_input_info(item)
             tx.add_input(item)
             # no need to estimate fee until we have reached desired amount
-            if total < amount:
+            if total < amount + fee:
                 continue
             fee = fixed_fee if fixed_fee is not None else self.estimated_fee(tx, fee_per_kb)
             if total >= amount + fee: